tcpick-0.2.1/0000777000175100017510000000000010173301173007772 500000000000000tcpick-0.2.1/doc/0000777000175100017510000000000010173301173010537 500000000000000tcpick-0.2.1/doc/AUTHORS.html0000644000175100017510000001641210173301003012462 00000000000000 AUTHORS

AUTHORS

Table of Contents

Francesco Stablum duskdruid:despammed.com

Mantainer

Artyom Khafizov

Bugfixes and memory leak fixes, added RESET and EXPIRED status detection, added a new way to write the stream to files, using directories.

Federico Castaneda F_CASTANEDA:crm.com.ar

Added basic UDP support

Buck Huppmann buckh:pobox.com

wrote the RESET status detection

Saumil Shah

has helped me improving tcpick and making it useful to decode application-level data (i.e. http).

Gianluigi Spagnuolo, kirash

has tested tcpick under many *BSD systems, helping me to make tcpick more compatible on other systems. He found also the pcap_next bug and a bug on the inet_ntoa return ointer. Kirash is currently helping me with several patches and increasing the tcpick portability, which is really very important.

Penelope Fudd

Added a patch that allows to process with tcpick a tcpdump output file instead of a live connection, in that way: 

     % tcpdump -n -s 1600 -w /tmp/foo.tcpdump
     % tcpick -r /tmp/foo.tcpdump

mainman

helped me to improve the performance of tcpick suggesting me a method of session recognization with hash generated by addresses and ports and a "chained" tracker of structures instead of a block of addresses to structures (i.e. conn_ptr->next_conn).

Sebastian Prause

added support for DLT_PPP_ETHER datalink type (including pppoe for NetBSD systems).

ShackaN

wrote a nice dprintf function for debugging purposes :)

Gimli

Spent a lot of time seeking for a bug I couldn't resolve on a free().

kain

bug found at pcap_next, that returns NULL on some systems suggested me to change pcap #include directive, because on trustix (and perhaps other linux systems) libpcap are located in a different place (pcap/pcap.h).

Ardoino Paolo

Suggested me to control memory allocated addresses

Robert Scheck

suggested me to improve the Makefile with variables.

Alberto 'JCN-9000' Varesio:

found that AIX doesn't have getopt_long and getopt.h

Davide Benini

corrected bug in calling S_calloc with only one argument

Packagers

Debian

Cédric Delfosse http://packages.debian.org/unstable/net/tcpick/

Maurizio Lemmo `Tannoiser' http://erlug.linux.it/~tann/tcpick/

Source RPM

Paul Drain mantains tcpick as a recompilable source RPM: ftp://cipherfunk.org/pub/packages/redhat/tcpick/

RPM:

Mantained by Dag Wieers, with a lot of platforms available: http://dag.wieers.com/packages/tcpick/

Lou Afonso has compiled version 0.1.20

Testers (read PLATFORMS.old file)

nextime has spent time compiling tcpick on an impressing number of unix/gnu platforms helping me understanding tcpick [in]compatibilities

AdHe5, Alt[O]s, hannibal, Kaioh, Alberto Panu, Maurizio Lemmo `Tannoiser', Alberto 'JCN-9000' Varesio, gap, Kirillov

thanks to these people because they spent time testing tcpick on their unix and linux distros sending me the report, that I used to complete `PLATFORMS' file.

Thanks

Thanks to all people that are using tcpick and are sending me description of problems encountered and to all people here not mentioned that contributed to this software in many ways.

Thanks to sourceforge.net that hosts tcpick, available here: http://sourceforge.net/projects/tcpick/

Thanks to kuht.it, that is currently hosting tcpick packages at this url: http://www.kuht.it/modules/xfmod/project/?tcpick

Thanks to all the mantainers of libpcap (http://www.tcpdump.org), that indirectly contributed to the development of tcpick :)

Thanks to http://www.linuxlinks.com webmasters, that have added tcpick in their directory. tcpick-0.2.1/doc/ChangeLog.html0000644000175100017510000004514410173301003013170 00000000000000 ChangeLog

ChangeLog

Table of Contents

18 Jan 2005 0.2.1

unchanged from 0.2.1-rc1

18 Jan 2005 0.2.1-rc1

9 Jan 2005 0.2.0-final

30 Dec 2004 0.2.0-rc6

25 Dec 2004 0.2.0-rc5

14 Dec 2004 0.2.0-rc4

12 Dec 2004 0.2.0-rc3

30 Nov 2004 0.2.0-rc2

22 Nov 2004 0.2.0-rc1

08/09/04 0.2.0-devel2

07/09/04 0.2.0-devel1

28/08/04 0.1.24

03/06/04 0.1.23

07/03/04 0.1.22-test2

06/02/04 0.1.22-test1

28/02/04 0.1.21

30/01/04 0.1.20

15/01/04 0.1.19

11/01/04 0.1.18

11/01/04 0.1.18-test3 (UNSTABLE - BUGGY - ONLY FOR DEVELOPERS)

08/01/04 0.1.18-test2 (UNSTABLE - BUGGY - ONLY FOR

DEVELOPERS)

08/01/04 0.1.18-test1 (UNSTABLE - BUGGY - ONLY FOR

DEVELOPERS)

05/01/04 0.1.17

05/01/04 0.1.16b

05/01/04 0.1.16

04/01/04 0.1.15b

04/01/04 0.1.15 (early morning)

03/01/04 0.1.14

09/12/03 0.1.13

07/12/03 0.1.12

05/12/03 0.1.11-unstable

04/12/03 0.1.10

03/12/03 0.1.9

added lot of write to file features:

01/12/03 0.1.8

30/11/03 0.1.7

29/11/03 0.1.6

28/11/03 0.1.5

27/11/03 0.1.4

24/11/03 0.1.1

tcpick-0.2.1/doc/EXAMPLES.html0000644000175100017510000000750310173301003012554 00000000000000 EXAMPLES

EXAMPLES

1 Examples of tcpick usage

1.1 connection status

Tcpick is a sniffer able to understand wich status has the connection (SYN-SENT, SYN-RECEIVED and so on). To see the connection tracker in action on eth0 simply type: 

     # tcpick -i eth0 -C

`-C' means “enable colors”, and the output is very pretty.

You will see something like this: 

     23:07:42.672171  1      SYN-SENT       12.34.56.78:41599 > 123.123.123.123:http
     23:07:42.822239  2      SYN-SENT       12.34.56.78:41600 > 32.13.21.32:5973
     23:07:42.826634  3      SYN-SENT       12.34.56.78:41601 > 123.45.67.89:5555
     23:07:42.854681  4      SYN-SENT       12.34.56.78:41602 > 1.2.3.4:56789
     23:07:43.084242  1      SYN-RECEIVED   12.34.56.78:41599 > 123.123.123.123:http
     23:07:43.087045  1      ESTABLISHED    12.34.56.78:41599 > 123.123.123.123:http
     23:07:44.061311  5      SYN-SENT       12.34.56.78:41603 > 10.20.30.40:8888

1.2 display the payload and packet headers

It is very easy: 

     # tcpick -i eth0 -C -yP -h -a

`-yP' means “payload printable”, `-h' means “header” and `-a' means names resolution. Unprintable carachters are displayed as dots.

1.3 display client data only of the first smtp connection

     # tcpick -i eth0 -C -bCU -T1 "port 25"

`-bCU' means: display the rebuilded stream (`-b') only the client side (`C') and unprintable carachters will be displayed as hexcode (`U').

`T1' means: display only the first (1) connection.

“port 25” is the filter.

1.4 download a file passively

Yeah! It is very a simple job:

#tcpick -i eth0 -wR “port ftp-data”

When the file has been completely transmitted (connection displayed as “CLOSED”) check in the working directory: you will find some files named like this: 

     # ls *.tcpick
     client_123.45.67.89_98.76.54.32_34567.tcpick
     server_123.45.67.89_98.76.54.32_34567.tcpick

Bingo! If you do `$ file *.tcpick' you will find that one of the two is a a gzip archive or whatever you sniffed.

1.5 redirect the first connection to a software

You must choose between client or server side, because you don't want both stream mixed in the standard output. It is a really simple job, just type: 

     # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz

or 

     # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25

Now, use your imagination and let me know what crazy experiments have you done with tcpick ;^) tcpick-0.2.1/doc/EXAMPLES.it.html0000644000175100017510000001064410173301003013167 00000000000000 ESEMPI

ESEMPI

Visualizzare lo stato delle connessioni tracciate

Tcpick e' uno sniffer in grado di tracciare le connessioni e determinarne lo stato (SYN-SENT, SYN-RECEIVED e cosi' via).

Per vedere tcpick in azione si puo' eseguire questo comando da root: 

     # tcpick -i eth0 -C

L'opzione `-C' serve ad abilitare i colori per rendere la lettura dell'output piu' gradevole, mentre l'opzione -i serve a specificare l'interfaccia di rete.

Creando un po' di traffico (aprendo, ad esempio una pagina web) dovreste vedere un output simile a questo: 

     23:07:42.672171  1      SYN-SENT       12.34.56.78:41599 > 123.123.123.123:http
     23:07:42.822239  2      SYN-SENT       12.34.56.78:41600 > 32.13.21.32:5973
     23:07:42.826634  3      SYN-SENT       12.34.56.78:41601 > 123.45.67.89:5555
     23:07:42.854681  4      SYN-SENT       12.34.56.78:41602 > 1.2.3.4:56789
     23:07:43.084242  1      SYN-RECEIVED   12.34.56.78:41599 > 123.123.123.123:http
     23:07:43.087045  1      ESTABLISHED    12.34.56.78:41599 > 123.123.123.123:http
     23:07:44.061311  5      SYN-SENT       12.34.56.78:41603 > 10.20.30.40:8888

Visualizzare il contenuto dei pacchetti e l'header

Se volete vedere i dati contenuti nei pacchetti, l'operazione richiesta e' semplicissima: 

     # tcpick -i eth0 -C -yP -h -a

`-yP' significa “visualizza il contenuto del pacchetto”, `-h' abilita la visualizzazione dell'header (semplificato) e `-a' abilita la risoluzione dei nomi via dns. I caratteri non stampabili vengono visualizzati come punti.

Visualizzare i dati del client in una connessione smtp

     # tcpick -i eth0 -C -bCU -T1 "port 25"

`-bCU' significa: ricostruisci il flusso tcp (`-b') ma visualizza solo la parte attinente al client (`C') e i caratteri non stampabili vengono visualizzati tramite codice esadecimale (`U').

`-T1' significa: tracciare solo la prima connessione incontrata

“port 25” e' il filtro per catturare solo connessioni smtp.

scaricare un file in modo passivo

Qui' viene il bello! 

     #tcpick -i eth0 -wR ``port ftp-data''

Quando il file e' stato completamente trasmesso (CLOSED) controlla nella directory corrente e troverai dei file simili a questi: 

     # ls *.tcpick
     client_123.45.67.89_98.76.54.32_34567.tcpick
     server_123.45.67.89_98.76.54.32_34567.tcpick

Ottimo! Se esegui il comando `$ file *.tcpick' vedrai che e' proprio cio' che e' stato scaricato, e un md5sum garantira' e' stato sniffato completamente e senza errori.

Redirigere la prima connessione incontrata ad un programma

Devi scegliere se sniffare la parte relativa al server o al client, poiche' ovviamente non si vuole mischiare entrambi i flussi nello standard output. E' estremamente semplice; ecco alcuni esempi: 

     # tcpick -i eth0 --pipe client "port 80" | gzip > risposta_http.gz

oppure 

     # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25

Ora usa la tua immaginazione e se credi ne valga la pena, contattami per farmi sapere che razza di alchimie hai inventato ;^) (magari includero' degli script nel pacchetto sorgente).

Buon divertimento! tcpick-0.2.1/doc/INTERNALS.html0000644000175100017510000000637510173301003012703 00000000000000 tcpick looked from the inside

tcpick looked from the inside

The starting function main is in the file tcpick.c. Command-line arguments are parsed by parse_args (args.c).

The packet capture engine is powered by the pcap library, that handles, with the function pcap_loop the callback loop function got_packet (loop.c).

When a packet has been captured by pcap_loop it will be calculated the offset of the ip header (ippacket), the offset of the tcp header (tcppacket). Finally the function verify (verify.c) will be called to analyze the packet.

Packet offset and size are declared globally (extern.h and globals.h) not to allocate the stack every time a function that works on the packet is called

The source code that contains the function verify begins with several #define's used to verify if a sniffed packet match an inizialized connection (or else if it creates a new one).

All connections tracked are stored in a linked list (i hope I will be able to replace it with an efficient balanced tree).

The struct host_descriptor_t describes one side of the tcp connection (the server or the client). The function verify detects the changes of the status of the tracked connection and update it with the function status_switch (tracker.c), that calls the function display_status to notify the user of this change and deletes the connection if it is CLOSED

When data are transmitted (IS_DATA_FLOW) the function established_packet (verify.c) is called. This function detects if the packet is an acknowledgment one or a data one. Unacknowledged data packets are stored in a linked-list by the function addfr (fragments.c). When data are acknowledged by a ack, the function flush_ack (fragments.c) is called.

In flush_ack acknowledged data are flushed to an output stream (display or file) by the function wrebuild (write.c).

The function out_flavour (write.c) is used to select the format of the data wished by the user. tcpick-0.2.1/doc/KNOWN-BUGS.html0000644000175100017510000000607510173301003012773 00000000000000 KNOWN-BUGS

KNOWN-BUGS

Table of Contents

Patches

We need somebody suggesting bugs and new features!

If you want to give some help, please subscribe to the mailing-list:

<tcpick-project lists.sourceforge.net>

Archive: http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project

Subscribe: http://lists.sourceforge.net/lists/listinfo/tcpick-project

thanks tcpick-0.2.1/doc/README.html0000644000175100017510000000757410173301003012303 00000000000000 README

README

Table of Contents

tcpick is a textmode sniffer libpcap-based that can track tcp streams and saves the captured data in files or displays them in the terminal. Useful for picking files in a passive way. It can store all connections data in different files, or it can display all the stream on the terminal, when the connection is closed. There are useful display modes like hexdump, hexdump + ascii, only printable charachters, raw mode and so on. Available a color mode too, helpful to read better the output of the program. Actually it can handle eth and ppp interfaces. It is useful to keep track of what users of a network are doing, and is usable with textmode tools like grep, sed, awk.

For example, this command displays all HTTP GET requests: 

     # tcpick -i ppp0 -yP | grep GET

Please read the manpage for further details.

home page

http://tcpick.sourceforge.net

other files to read:

contribute

tcpick project needs somebody suggesting me bugs and new features! If you want to contribute sending patches, finding bugs, compilation errors, platform-specific incompatibilies you are invited to the tcpick mailing-list:

I'm sorry for my bad english

thanks

Francesco Stablum "duskdruid" <duskdruid @ despammed.com>

Little disclaimer and license:

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

For other details on GNU/GPL license read COPYING file

Copyright (C) 2003, 2004 Francesco Stablum "duskdruid" tcpick-0.2.1/doc/README.it.html0000644000175100017510000000652710173301003012713 00000000000000 LEGGIMI

LEGGIMI

Table of Contents

tcpick e' uno sniffer con interfaccia testuale basato sulle celeberrime librerie libpcap. Tra le sue funzioni quelle piu' importanti sono la capacita' di tracciare flussi di dati trasferiti mediante il protocollo tcp e la possibilita' di salvare i dati catturati all'interno di files, oppure di visualizzarli direttamente nel terminale. Puo' essere utilizzato per il download passivo di file trasferiti via ftp (per l'http e' neccessaria una ulteriore decodifica a livello applicazione). Tra le modalita' di visualizzazione dei dati ci sono: esadecimale, esadecimale con ascii (ovvero il classico hexdump), visualizzazione dei soli caratteri stampabili, modalita' “raw” ecc. E' disponibile anche una modalita' a colori per rendere l'output piu' leggibile. Se viene posizionato su un gateway puo' essere utilizzato per osservare le attivita' degli utenti di una rete interna. Inoltre e' adatto ad essere utilizzato con strumenti testuali a riga di comando come grep, sed e awk.

Un semplice esempio per visualizzare le richieste http: 

     # tcpick -i ppp0 -yP | grep GET

home page

http://tcpick.sourceforge.net

Altri file da leggere

contribuisci!

tcpick e' un progetto open-source, e, in quanto tale, sono graditi qualsiasi tipo di richieste di funzionalita', report di bug, patch e quanto altro. Questa e' la mailing list, che puoi utilizzare per segnalare qualsiasi problema:

Note sulla licenza

Tcpick e' rilasciato con la licenza GNU GPL. Per ulteriori informazioni leggere il file COPYING (in inglese) tcpick-0.2.1/doc/TODO.html0000644000175100017510000000653310173301003012105 00000000000000 TODO

TODO

Table of Contents

for 0.2.2 version (Feb 2005)

for 0.2.3 version (Mar 2005)

for 0.3.0 version (2005)

for the far future

tcpick-0.2.1/doc/AUTHORS.texinfo0000644000175100017510000001012310165254735013207 00000000000000\input texinfo @c -*-texinfo-*- @setfilename AUTHORS @settitle AUTHORS @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title AUTHORS @subtitle credits @author Francesco Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo @unnumbered Francesco Stablum @b{duskdruid:despammed.com} Mantainer @unnumbered Artyom Khafizov Bugfixes and memory leak fixes, added RESET and EXPIRED status detection, added a new way to write the stream to files, using directories. @unnumbered Federico Castaneda @b{F_CASTANEDA:crm.com.ar} Added basic UDP support @unnumbered Buck Huppmann @b{buckh:pobox.com} wrote the RESET status detection @unnumbered Saumil Shah has helped me improving tcpick and making it useful to decode application-level data (i.e. http). @unnumbered Gianluigi Spagnuolo, kirash has tested tcpick under many *BSD systems, helping me to make tcpick more compatible on other systems. He found also the pcap_next bug and a bug on the inet_ntoa return ointer. Kirash is currently helping me with several patches and increasing the tcpick portability, which is really very important. @unnumbered Penelope Fudd Added a patch that allows to process with tcpick a tcpdump output file instead of a live connection, in that way: @example % tcpdump -n -s 1600 -w /tmp/foo.tcpdump % tcpick -r /tmp/foo.tcpdump @end example @unnumbered mainman helped me to improve the performance of tcpick suggesting me a method of session recognization with hash generated by addresses and ports and a "chained" tracker of structures instead of a block of addresses to structures (i.e. conn_ptr->next_conn). @unnumbered Sebastian Prause added support for DLT_PPP_ETHER datalink type (including pppoe for NetBSD systems). @unnumbered ShackaN wrote a nice dprintf function for debugging purposes :) @unnumbered Gimli Spent a lot of time seeking for a bug I couldn't resolve on a free(). @unnumbered kain bug found at pcap_next, that returns NULL on some systems suggested me to change pcap #include directive, because on trustix (and perhaps other linux systems) libpcap are located in a different place (pcap/pcap.h). @unnumbered Ardoino Paolo Suggested me to control memory allocated addresses @unnumbered Robert Scheck suggested me to improve the Makefile with variables. @unnumbered Alberto 'JCN-9000' Varesio: found that AIX doesn't have getopt_long and getopt.h @unnumbered Davide Benini corrected bug in calling S_calloc with only one argument @unnumbered Packagers @unnumbered Debian Cédric Delfosse @uref{http://packages.debian.org/unstable/net/tcpick/} Maurizio Lemmo `Tannoiser' @uref{http://erlug.linux.it/~tann/tcpick/} @unnumbered Source RPM Paul Drain mantains tcpick as a recompilable source RPM: @uref{ftp://cipherfunk.org/pub/packages/redhat/tcpick/} @unnumbered RPM: Mantained by Dag Wieers, with a lot of platforms available: @uref{http://dag.wieers.com/packages/tcpick/} Lou Afonso has compiled version 0.1.20 @unnumbered Testers (read PLATFORMS.old file) @b{nextime} has spent time compiling tcpick on an impressing number of unix/gnu platforms helping me understanding tcpick [in]compatibilities AdHe5, Alt[O]s, hannibal, Kaioh, Alberto Panu, Maurizio Lemmo `Tannoiser', Alberto 'JCN-9000' Varesio, gap, Kirillov thanks to these people because they spent time testing tcpick on their unix and linux distros sending me the report, that I used to complete `PLATFORMS' file. @unnumbered Thanks Thanks to all people that are using tcpick and are sending me description of problems encountered and to all people here not mentioned that contributed to this software in many ways. Thanks to sourceforge.net that hosts tcpick, available here: @uref{http://sourceforge.net/projects/tcpick/} Thanks to kuht.it, that is currently hosting tcpick packages at this url: @uref{http://www.kuht.it/modules/xfmod/project/?tcpick} Thanks to all the mantainers of libpcap (@uref{http://www.tcpdump.org}), that indirectly contributed to the development of tcpick :) Thanks to @uref{http://www.linuxlinks.com} webmasters, that have added tcpick in their directory. tcpick-0.2.1/doc/ChangeLog.texinfo0000644000175100017510000003450510173300667013716 00000000000000\input texinfo @c -*-texinfo-*- @setfilename ChangeLog @settitle ChangeLog @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title ChangeLog @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo @c chapter ChangeLog @unnumbered 18 Jan 2005 0.2.1 unchanged from 0.2.1-rc1 @unnumbered 18 Jan 2005 0.2.1-rc1 @itemize Michael Coulter (mjc:bitz.ca): @item Fixed headers include order for OpenBSD Gianluigi Spagnuolo (kirash:phreaker.net): @item Added sigaction function to handle signals in a proper way. Francesco Stablum (duskdruid:despammed.com): @item Fixed -lpcap -lpcap etc. arguments to cc @item Fixed SIGALRM freeze bug @item Added setitimer workaround for *BSD systems (fork + sleep + kill) @item Added -e option to exit when a certain number of packets is reached @item Added atexit function @end itemize @unnumbered 9 Jan 2005 0.2.0-final @itemize Francesco Stablum (duskdruid:despammed.com): @item Few bugfixes with -t and -td options @end itemize @unnumbered 30 Dec 2004 0.2.0-rc6 @itemize Francesco Stablum (duskdruid:despammed.com): @item expired functions are now checked every second, not every packet. (use setitimer and the SIGALRM signal). @item added DLT_PPP, DLT_SLIP, DLT_SLIP_BSDOS and DLT_PPP_BSDOS support. credits: SNiFf v0.3 by uLiX http://www.s0ftpj.org/bfi/online/bfi10/BFi10-05.html @item added italian documentation (README.it, EXAMPLES.it, INSTALL.it, tcpick_italian.8) @end itemize @unnumbered 25 Dec 2004 0.2.0-rc5 @itemize Gianluigi Spagnuolo (kirash:phreaker.net): @item Added signal support + statistics (packets sniffed and connection tracked) in a similar way to tcpdump. @item Reorganized tcpick.c Francesco Stablum (duskdruid:despammed.com): @item Added autogen.sh script @item Fixed bug of `-D' option @item Updated to automake/aclocal 1.9.3 @end itemize @unnumbered 14 Dec 2004 0.2.0-rc4 @itemize Gianluigi Spagnuolo (kirash:phreaker.net): @item found bug in avail_filename (write.c): too few arguments to printf: fixed. Francesco Stablum (duskdruid:despammed.com): @item Now '\r' and '\t' charachters are printable in 'P' and 'U' modes. @item MacOSX ``BIOCSRTIMEOUT: Invalid argument'' bug should be fixed. @item port aligment in status displayer fixed (simplified) @end itemize @unnumbered 12 Dec 2004 0.2.0-rc3 @itemize Francesco Stablum (duskdruid:despammed.com): @item added date-timestamp @item removed all typedefs. Now structures and unions should be better recognizable (now names of types are UPPER-CASE) @item Added .EDITME files for those people that have troubles with the ./configure script @end itemize @unnumbered 30 Nov 2004 0.2.0-rc2 @itemize Francesco Stablum (duskdruid:despammed.com): @item Timeout value is now set by `-X' option, because `-t' will be used for timestamps in the future. @item Filenaming system is now chosen with the `-F' option. Artyom Khafizov: @item `-D num' option will cause tcpick to create subdirectories, each for a desired number of sessions. @end itemize @unnumbered 22 Nov 2004 0.2.0-rc1 @itemize Artyom Khafizov: @item Added EXPIRED status for connection tracked with a -t option to choose an appropriate timeout (default is 600) @item Fixed many memory leaks @item Added a new way to write the stream to files, using directories @item Added an experimental file naming system Buck Huppmann (buckh:pobox.com) and Artyom Khafizov ( both have had the same good idea :^D ): @item Added RESET status for connections tracked. (RST-flagged packets will delete the connection). Federico Castaneda (F_CASTANEDA:crm.com.ar): @item Added UDP support Francesco Stablum (duskdruid:despammed.com): @item Debug messages are now available only with the -DTCPICK_DEBUG argument given to the compiler. @item Changed signing key! Please read public_key_message.txt and check the revocation certificate public_key_OLD.revoke @end itemize @unnumbered 08/09/04 0.2.0-devel2 @itemize @item Segmentation fault bug fixed (with `u' tcpick tried to free 2 times the same heap address and closed 2 times the same file). (Saumil Shah discovered it) @item Bugfix: `u' flag of `-w' worked as with `b' flag either if `b' wasn't choosen. @end itemize @unnumbered 07/09/04 0.2.0-devel1 @itemize @item Robert Scheck fixed tcpick manual section in a `printf' @item Saumil Shah feature request done: the flag 'u' to the '-w' option enables tcpick to write sniffed data in a unique file, with client and server data mixed together. the flag 'b' to the '-w' option enables tcpick to write a banner to the unique file that introduces server and client data. @end itemize @unnumbered 28/08/04 0.1.24 @itemize @item BSD support _should_ be completed @item added ``suicide'' and ``fault'' functions @item some code cleanup @item fixed netinet/ip.h check bug in the configure script for FreeBSD machines @item fixed hexdump bug @item fixed reset color. Background color is now not black, but the terminal default @item added the balanced tree to the lookup engine @item applied patch by GLS to improve compatibility with openbsd 3.5 with gcc 2.95.3 @item Now closed connections are freed and delinked; files will be closed. @item Added the -E and -Ef arguments @item Added the -Tf option @item Fixed the segmentation bug of the `-y' option @item added INTERNALS file (should be completed) @end itemize @unnumbered 03/06/04 0.1.23 @itemize @item PFLOG support added by kirash aka GLS @item patch by Sebastian Prause: ``I've created a little patch to make tcpick work with pppoe interfaces on NetBSD (which use DLT_PPP_ETHER) and wanted to share it, so here it is...'' @item now the options for displaying the payload should be prefixed by -y I have added another set of displaying option, that are prefixed with -b. The -b options are useful to view data only when acknowledged (exactly like data written to files) and with this is particulary useful the raw mode (-bR) that you can use if you want to redirect data with a pipe to another software. @item The newline carachter is suppressed when displaying the payload of the packet or an acknowledged stream in the case there are no banners except the case of the hexdump's. @item Added the ``--pipe'' option, by a wish of loopback. See manpage for details. @item Now you are able to choose to write to file only data of clients or servers or both, with the additional flags `C' and `S' to the option `-w' (omitted means ``both''). @item Many, many changes, code cleanups and improvement made by whyx in fragments.c and lookup.c @item With the new option `-T', it is now possible to track only the first connections, the following will be discarded by the tracker engine. This is useful for the `-w' and `-b' options; for `-y' and `-h' it has no effect, because they aren't part of the tracker. @item In the hexdump+ascii red dots rapresents now the unprintable carachter. @item the lenght of the payload is now displayed in the packet banner @item rewritten the core of verify.c and fragments.c @item now connections with equal ip addresses and ports are stored in different files @item files dumped with tcpick -w* options are now saved vith ``.tcpick'' extension @item bugfix on datalink.c by kirash aka GLS @item deleted alloc.c and match.c @item used the ``linux'' 8-spaces indentation @item added packet separator (by a Simone Gianni's wish) @item added the `-p' flag to avoid to put the network interface in promiscuous mode (I'm not sure it works) (by a Simone Gianni's wish) @item Rewritten manpage. Read it! There are lots of changes in the options! @item I have tested tcpick to sniff a file via ftp, and the md5sums were equal. The tar.gz archive I have downloaded was more than 2MB long. Other tests are confirming me that the newly-written code works in the right way. @end itemize @unnumbered 07/03/04 0.1.22-test2 @itemize @item now output files are opened in ``a'' (only append) mode @item now data are written with ``fwrite()'' + ferror (thanks ^^Gimli^^) @end itemize @unnumbered 06/02/04 0.1.22-test1 @itemize @item corrected bug in datalinktoa() by sbi! @item Davide Benini: corrected bug in calling S_calloc with only one argument @item added S_malloc function @item now data are written with the write() function @end itemize @unnumbered 28/02/04 0.1.21 @itemize @item Added src/ directory for the sources @item Added a `flags` struct @item Patch by Penelope Fudd: added `-r' option to read tcpdump filedumps: this is a very nice feature :) @item Improved debugging system with dprintf (thank you ShackaN!) @item Changed name of the `stack' memory block into `tracker' @item Increased speed of the connection tracking system by adding many return's instruction (instead of using some damned variables like `loop_finished' and `result_bool') in verify() and match(). @item Added a "chained" tracker: now it is possible to track an infinite number of connections (thank you mainman!) @item Fixed bug that server file and client file were switched @end itemize @unnumbered 30/01/04 0.1.20 @itemize @item added displaying of unprintable carachters (that are also dots in -P option) with red color. @item added hexdump mode colorizer @item with option -C2 it is now possible see different colors depending on the connection tracked (only status banners) (file colortrack.c) @item added connection numbering (second field in status banner) @item added time writing on banners and packet headers(time.c) @end itemize @unnumbered 15/01/04 0.1.19 @itemize @item added header support (i.e. trustix) @item added DLT_PFLOG/DLT_NULL/DLT_RAW/DLT_IEEE802_11 header support (not tested!!!) @item added datalinktooffset function (datalink.c) @item added Push/Fin/Ack packet support @item added support for those systems that don't have getopt_long and getopt.h header (was a problem in AIX systems, thank you Alberto 'JCN-9000' Varesio) @item added experimental color option (-C): it is very nice! It should be helpful to read the output of tcpick. @item added new file colors.c (read code comments to know about the original author) @end itemize @unnumbered 11/01/04 0.1.18 @itemize @item fixed ridicolous bug of "resulting_bool==" in match.c @item fixed FIN-WAIT-2 bad detection @item added TIME-WAIT status detection @item added CLOSED status detection @end itemize @unnumbered 11/01/04 0.1.18-test3 (UNSTABLE - BUGGY - ONLY FOR DEVELOPERS) @itemize @item Precedent tarball -test2 was damaged (thank you kirash (aka GLS) to said it to me) @end itemize @unnumbered 08/01/04 0.1.18-test2 (UNSTABLE - BUGGY - ONLY FOR DEVELOPERS) @itemize @item added DLT_NULL support by kirash (aka GLS) @item fixed the ridicolous bug in -test1 (a if statement without braces) @item rewritten functions verify() and match() are now fully working @end itemize @unnumbered 08/01/04 0.1.18-test1 (UNSTABLE - BUGGY - ONLY FOR DEVELOPERS) @itemize @item completely rewritten match() and verify() functions @item added new files datalink.c and match.c @item datalink managing modified to be compatible on systems that don't #define all datalinks @end itemize @unnumbered 05/01/04 0.1.17 @itemize @item ip.h header ported internally to the package for compatibility with BSD systems @item patch by kirash: changes to myheader.h, lookup.c and stack.c in order to improve compatibility on BSD systems @item added FIN-WAIT-1 status tracking @end itemize @unnumbered 05/01/04 0.1.16b @itemize @item previously source tarball was corrupted thank you Robert Scheck @end itemize @unnumbered 05/01/04 0.1.16 @itemize @item added protection to memory allocation and freeing in the file alloc.c The new routines are called S_calloc and S_free and display messages when in debug mode. @item added file PLATFORMS, which describes platform tested thanks nextime, Alt[O]s and Kaioh! @end itemize @unnumbered 04/01/04 0.1.15b @itemize @item fixed bug in ./configure script @end itemize @unnumbered 04/01/04 0.1.15 (early morning) @itemize @item "STATUS" string is now nicer :) @item tcp.h header is now internal, to improve compatibility with *BSD systems @item added new header file "myheaders.h" that should keep track of all headers used in the project @item added definitively my public key in the package @end itemize @unnumbered 03/01/04 0.1.14 @itemize @item reimplemented packet sniffer engine (now it is managet by pcap_loop :) @item added configure script, Makefile.in config.h.in and other macro-automated files @item fixed inet_ntoa bug (thank you kirash) @end itemize @unnumbered 09/12/03 0.1.13 @itemize @item fixed name lookup: there will be only one dns query for each host that doesn't have a name @item removed source port in log filenames @item added port into service translation @item Makefile improved @item now the tcpick manual page is in section 1! @end itemize @unnumbered 07/12/03 0.1.12 @itemize @item improved and corrected name lookup feature @end itemize @unnumbered 05/12/03 0.1.11-unstable @itemize @item added host lookup cached feature (BUGGY!!) @end itemize @unnumbered 04/12/03 0.1.10 @itemize @item added write status to file feature (-wS) @end itemize @unnumbered 03/12/03 0.1.9 added lot of write to file features: @itemize @item header writing, (-wH) @item only printable charachters writing (-wP) @item unprintable charachters transformed into hexadecimal code (-wU) @item added other options (see manpage for details) -s -P -R -U @end itemize @unnumbered 01/12/03 0.1.8 @itemize @item added write to file feature (-w[R]) @item added write to file in hexdump mode feature (-w[xX]) @item added new file write.c @end itemize @unnumbered 30/11/03 0.1.7 @itemize @item fixed bad hex dump manamagment @item some changes in the options (see OPTIONS file for details) @end itemize @unnumbered 29/11/03 0.1.6 @itemize @item now you can display data in the packet in hexdump mode (-x) and you can watch at the printable ascii charachters too, using -X option @end itemize @unnumbered 28/11/03 0.1.5 @itemize @item better options managment, including long options @item added data showing in hexadecimal @item added --silent mode @item done manpage prototype @end itemize @unnumbered 27/11/03 0.1.4 @itemize @item fixed file writing: now files are opened in "w" mode @item added fflush istruction when output files are updated @item fixed bug: now all connection are tracked, not only the first @end itemize @unnumbered 24/11/03 0.1.1 @itemize @item fixed bad managing of payload (now ack packets whith no data are dropped) @end itemize tcpick-0.2.1/doc/EXAMPLES.it.texinfo0000644000175100017510000000672210165254735013725 00000000000000\input texinfo @c -*-texinfo-*- @setfilename EXAMPLES.it @settitle ESEMPI @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title Esempi d'uso di tcpick @c @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c capitolo primo @unnumbered Visualizzare lo stato delle connessioni tracciate Tcpick e' uno sniffer in grado di tracciare le connessioni e determinarne lo stato (SYN-SENT, SYN-RECEIVED e cosi' via). Per vedere tcpick in azione si puo' eseguire questo comando da root: @example # tcpick -i eth0 -C @end example L'opzione `-C' serve ad abilitare i colori per rendere la lettura dell'output piu' gradevole, mentre l'opzione -i serve a specificare l'interfaccia di rete. Creando un po' di traffico (aprendo, ad esempio una pagina web) dovreste vedere un output simile a questo: @example 23:07:42.672171 1 SYN-SENT 12.34.56.78:41599 > 123.123.123.123:http 23:07:42.822239 2 SYN-SENT 12.34.56.78:41600 > 32.13.21.32:5973 23:07:42.826634 3 SYN-SENT 12.34.56.78:41601 > 123.45.67.89:5555 23:07:42.854681 4 SYN-SENT 12.34.56.78:41602 > 1.2.3.4:56789 23:07:43.084242 1 SYN-RECEIVED 12.34.56.78:41599 > 123.123.123.123:http 23:07:43.087045 1 ESTABLISHED 12.34.56.78:41599 > 123.123.123.123:http 23:07:44.061311 5 SYN-SENT 12.34.56.78:41603 > 10.20.30.40:8888 @end example @unnumbered Visualizzare il contenuto dei pacchetti e l'header Se volete vedere i dati contenuti nei pacchetti, l'operazione richiesta e' semplicissima: @example # tcpick -i eth0 -C -yP -h -a @end example `-yP' significa ``visualizza il contenuto del pacchetto'', `-h' abilita la visualizzazione dell'header (semplificato) e `-a' abilita la risoluzione dei nomi via dns. I caratteri non stampabili vengono visualizzati come punti. @unnumbered Visualizzare i dati del client in una connessione smtp @example # tcpick -i eth0 -C -bCU -T1 "port 25" @end example `-bCU' significa: ricostruisci il flusso tcp (`-b') ma visualizza solo la parte attinente al client (`C') e i caratteri non stampabili vengono visualizzati tramite codice esadecimale (`U'). `-T1' significa: tracciare solo la prima connessione incontrata ``port 25'' e' il filtro per catturare solo connessioni smtp. @unnumbered scaricare un file in modo passivo Qui' viene il bello! @example #tcpick -i eth0 -wR ``port ftp-data'' @end example Quando il file e' stato completamente trasmesso (CLOSED) controlla nella directory corrente e troverai dei file simili a questi: @example # ls *.tcpick client_123.45.67.89_98.76.54.32_34567.tcpick server_123.45.67.89_98.76.54.32_34567.tcpick @end example Ottimo! Se esegui il comando `$ file *.tcpick' vedrai che e' proprio cio' che e' stato scaricato, e un md5sum garantira' e' stato sniffato completamente e senza errori. @unnumbered Redirigere la prima connessione incontrata ad un programma Devi scegliere se sniffare la parte relativa al server o al client, poiche' ovviamente non si vuole mischiare entrambi i flussi nello standard output. E' estremamente semplice; ecco alcuni esempi: @example # tcpick -i eth0 --pipe client "port 80" | gzip > risposta_http.gz @end example oppure @example # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 @end example Ora usa la tua immaginazione e se credi ne valga la pena, contattami per farmi sapere che razza di alchimie hai inventato ;^) (magari includero' degli script nel pacchetto sorgente). Buon divertimento! tcpick-0.2.1/doc/EXAMPLES.texinfo0000644000175100017510000000540610165254735013310 00000000000000\input texinfo @c -*-texinfo-*- @setfilename EXAMPLES @settitle EXAMPLES @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title EXAMPLES @c @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c capitolo primo @chapter Examples of tcpick usage @section connection status Tcpick is a sniffer able to understand wich status has the connection (SYN-SENT, SYN-RECEIVED and so on). To see the connection tracker in action on eth0 simply type: @example # tcpick -i eth0 -C @end example `-C' means ``enable colors'', and the output is very pretty. You will see something like this: @example 23:07:42.672171 1 SYN-SENT 12.34.56.78:41599 > 123.123.123.123:http 23:07:42.822239 2 SYN-SENT 12.34.56.78:41600 > 32.13.21.32:5973 23:07:42.826634 3 SYN-SENT 12.34.56.78:41601 > 123.45.67.89:5555 23:07:42.854681 4 SYN-SENT 12.34.56.78:41602 > 1.2.3.4:56789 23:07:43.084242 1 SYN-RECEIVED 12.34.56.78:41599 > 123.123.123.123:http 23:07:43.087045 1 ESTABLISHED 12.34.56.78:41599 > 123.123.123.123:http 23:07:44.061311 5 SYN-SENT 12.34.56.78:41603 > 10.20.30.40:8888 @end example @section display the payload and packet headers It is very easy: @example # tcpick -i eth0 -C -yP -h -a @end example `-yP' means ``payload printable'', `-h' means ``header'' and `-a' means names resolution. Unprintable carachters are displayed as dots. @section display client data only of the first smtp connection @example # tcpick -i eth0 -C -bCU -T1 "port 25" @end example `-bCU' means: display the rebuilded stream (`-b') only the client side (`C') and unprintable carachters will be displayed as hexcode (`U'). `T1' means: display only the first (1) connection. ``port 25'' is the filter. @section download a file passively Yeah! It is very a simple job: #tcpick -i eth0 -wR ``port ftp-data'' When the file has been completely transmitted (connection displayed as ``CLOSED'') check in the working directory: you will find some files named like this: @example # ls *.tcpick client_123.45.67.89_98.76.54.32_34567.tcpick server_123.45.67.89_98.76.54.32_34567.tcpick @end example Bingo! If you do `$ file *.tcpick' you will find that one of the two is a a gzip archive or whatever you sniffed. @section redirect the first connection to a software You must choose between client or server side, because you don't want both stream mixed in the standard output. It is a really simple job, just type: @example # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz @end example or @example # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 @end example Now, use your imagination and let me know what crazy experiments have you done with tcpick ;^) tcpick-0.2.1/doc/INTERNALS.texinfo0000644000175100017510000000464310165254735013433 00000000000000\input texinfo @c -*-texinfo-*- @setfilename INTERNALS @settitle tcpick looked from the inside @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title INTERNALS @subtitle tcpick looked from the inside @author Francesco 'DuskDruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents The starting function @code{main} is in the file @code{tcpick.c}. Command-line arguments are parsed by @code{parse_args} (@code{args.c}). The packet capture engine is powered by the pcap library, that handles, with the function @code{pcap_loop} the callback loop function @code{got_packet} (@code{loop.c}). When a packet has been captured by @code{pcap_loop} it will be calculated the offset of the ip header (@code{ippacket}), the offset of the tcp header (@code{tcppacket}). Finally the function @code{verify} (@code{verify.c}) will be called to analyze the packet. Packet offset and size are declared globally (@code{extern.h} and @code{globals.h}) not to allocate the stack every time a function that works on the packet is called The source code that contains the function @code{verify} begins with several @code{#define}'s used to verify if a sniffed packet match an inizialized connection (or else if it creates a new one). All connections tracked are stored in a linked list (i hope I will be able to replace it with an efficient balanced tree). The @code{struct host_descriptor_t} describes one side of the tcp connection (the server or the client). The function @code{verify} detects the changes of the status of the tracked connection and update it with the function @code{status_switch} (@code{tracker.c}), that calls the function @code{display_status} to notify the user of this change and deletes the connection if it is @code{CLOSED} When data are transmitted (@code{IS_DATA_FLOW}) the function @code{established_packet} (@code{verify.c}) is called. This function detects if the packet is an acknowledgment one or a data one. Unacknowledged data packets are stored in a linked-list by the function @code{addfr} (@code{fragments.c}). When data are acknowledged by a @code{ack}, the function @code{flush_ack} (@code{fragments.c}) is called. In @code{flush_ack} acknowledged data are flushed to an output stream (display or file) by the function @code{wrebuild} (@code{write.c}). The function @code{out_flavour} (@code{write.c}) is used to select the format of the data wished by the user. tcpick-0.2.1/doc/KNOWN-BUGS.texinfo0000644000175100017510000000432010173200234013476 00000000000000\input texinfo @c -*-texinfo-*- @setfilename KNOWN-BUGS @settitle KNOWN-BUGS @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title KNOWN-BUGS @subtitle Known Bugs of the Tcpick sniffer @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo @itemize @item Kirash reported under BSD: read() called by pcap_read() called by pcap_loop() blocks the program until gets about 600.000 byte and then calls got_packet(). Then it blocks until other 600.000 bytes aren't captured. It may be a problem of setitimer. If setitimer is set to 2 seconds, the program works fine, but this is only a workaround. This seem to be a kernel bug: Subject: kern/26470: all process stop for a long time by calling settimeofday() and setitimer() List: netbsd-bugs Date: 07/29/2004 04:32:58 [cut] Description: All process stops for a long time by calling setitimer() with short interval and then putting the system clock forward long. This bug has been workarounded with a fork + sleep + kill trick. @item Segmentation fault in status_switch(): prev->next is null. I cannot understand this, because the malloc *didn't return NULL*, but a valid address as gdb said me!. WTF! NOTE: this is a very rare bug. @item Marcos Costantini reported a segmentation fault bug in tcpick running on a MacOSX system. @item Penelope Fudd wrote: Hi.. I've got a tcpdump program running that logs all email to & from the mail server. When I use 'tcpick -wR -r log-2004.xx.xx', and look at the resulting client and server files, there are binary strings stuck in the middle of the conversation: [cut] Where are these 'A0 00 00 00 00 00' chunks coming from? I thought that -wR was binary-safe. When I follow the stream using Ethereal, the problem goes away. @item maybe it doesn't go in promisc mode even without -p @end itemize @unnumbered Patches We need somebody suggesting bugs and new features! If you want to give some help, please subscribe to the mailing-list: Archive: http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project Subscribe: http://lists.sourceforge.net/lists/listinfo/tcpick-project thanks tcpick-0.2.1/doc/README.it.texinfo0000644000175100017510000000453010165254735013437 00000000000000\input texinfo @c -*-texinfo-*- @setfilename README.it @settitle LEGGIMI @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title LEGGIMI @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo tcpick e' uno sniffer con interfaccia testuale basato sulle celeberrime librerie libpcap. Tra le sue funzioni quelle piu' importanti sono la capacita' di tracciare flussi di dati trasferiti mediante il protocollo tcp e la possibilita' di salvare i dati catturati all'interno di files, oppure di visualizzarli direttamente nel terminale. Puo' essere utilizzato per il download passivo di file trasferiti via ftp (per l'http e' neccessaria una ulteriore decodifica a livello applicazione). Tra le modalita' di visualizzazione dei dati ci sono: esadecimale, esadecimale con ascii (ovvero il classico hexdump), visualizzazione dei soli caratteri stampabili, modalita' ``raw'' ecc. E' disponibile anche una modalita' a colori per rendere l'output piu' leggibile. Se viene posizionato su un gateway puo' essere utilizzato per osservare le attivita' degli utenti di una rete interna. Inoltre e' adatto ad essere utilizzato con strumenti testuali a riga di comando come grep, sed e awk. Un semplice esempio per visualizzare le richieste http: @example # tcpick -i ppp0 -yP | grep GET @end example @unnumbered home page http://tcpick.sourceforge.net @unnumbered Altri file da leggere @itemize @bullet @item AUTHORS @item OPTIONS @item KNOWN-BUGS @item INSTALL @item EXAMPLES.it @item TODO @item ChangeLog @item COPYING @item public_key.asc (key to check package signatures) @item public_key_message.txt @end itemize @unnumbered contribuisci! tcpick e' un progetto open-source, e, in quanto tale, sono graditi qualsiasi tipo di richieste di funzionalita', report di bug, patch e quanto altro. Questa e' la mailing list, che puoi utilizzare per segnalare qualsiasi problema: @itemize @item indirizzo @b{tcpick-project@@lists.sourceforge.net} @item Archivio http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project @item Pagina di iscrizione http://lists.sourceforge.net/lists/listinfo/tcpick-project @end itemize @unnumbered Note sulla licenza Tcpick e' rilasciato con la licenza GNU GPL. Per ulteriori informazioni leggere il file COPYING (in inglese) @bye tcpick-0.2.1/doc/README.texinfo0000644000175100017510000000551410173300624013013 00000000000000\input texinfo @c -*-texinfo-*- @setfilename README @settitle README @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title README @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo tcpick is a textmode sniffer libpcap-based that can track tcp streams and saves the captured data in files or displays them in the terminal. Useful for picking files in a passive way. It can store all connections data in different files, or it can display all the stream on the terminal, when the connection is closed. There are useful display modes like hexdump, hexdump + ascii, only printable charachters, raw mode and so on. Available a color mode too, helpful to read better the output of the program. Actually it can handle eth and ppp interfaces. It is useful to keep track of what users of a network are doing, and is usable with textmode tools like grep, sed, awk. For example, this command displays all HTTP GET requests: @example # tcpick -i ppp0 -yP | grep GET @end example Please read the manpage for further details. @unnumbered home page http://tcpick.sourceforge.net @unnumbered other files to read: @itemize @bullet @item AUTHORS @item OPTIONS @item KNOWN-BUGS @item INSTALL @item TODO @item ChangeLog @item COPYING @item public_key.asc (key to check package signatures) @item public_key_message.txt @end itemize @unnumbered contribute tcpick project needs somebody suggesting me bugs and new features! If you want to contribute sending patches, finding bugs, compilation errors, platform-specific incompatibilies you are invited to the tcpick mailing-list: @itemize @item email address @b{tcpick-project@@lists.sourceforge.net} @item Archive http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project @item Subscribe http://lists.sourceforge.net/lists/listinfo/tcpick-project @end itemize I'm sorry for my bad english thanks Francesco Stablum "duskdruid" @b{} @unnumbered Little disclaimer and license: This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. For other details on GNU/GPL license read COPYING file Copyright (C) 2003, 2004 Francesco Stablum "duskdruid" @bye tcpick-0.2.1/doc/template.texinfo0000644000175100017510000000051710165254735013703 00000000000000\input texinfo @c -*-texinfo-*- @setfilename FILENAME @settitle TITLE @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title TITLE @subtitle subtitle @author Francesco 'DuskDruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo @chapter CHAPTER tcpick-0.2.1/doc/TODO.texinfo0000644000175100017510000000457710173300777012644 00000000000000\input texinfo @c -*-texinfo-*- @setfilename TODO @settitle TODO @c @setchapternewpage odd @c @paragraphindent asis @c 1st page: @titlepage @title TODO @subtitle subtitle @author Francesco 'duskdruid' Stablum @c copyright page @end titlepage @headings single @c Contenuti @contents @c capitolo primo @itemize @item good homepage for tcpick (italian too) @item fix bugs in KNOWN-BUGS and FIXMEs @end itemize @unnumbered for 0.2.2 version (Feb 2005) @itemize @item more speed for port->service resolution method. @item flag to distinguish between client and server data in a tcp-bidirectional output file with an introductive banner. @item add acknowledged stream banner (i.e. ``data (offset:1234) sent from client: foobar'') @item statistics: @itemize @item bytes/second, connections resetted, connections/hour @item total connections @item total bytes transferred by @{clients|servers@} @item total packets received / lost @end itemize @item (other?) @end itemize @unnumbered for 0.2.3 version (Mar 2005) @itemize @item balanced/avl tree in the connection tracking engine @item improve speed by using function pointers @item (other?) @end itemize @unnumbered for 0.3.0 version (2005) @itemize @item A more coherent EXPIRED status detection @item XML output @item managing DLT_LOOP, DLT_IEEE802_11 and DLT_NULL fully tested @item complete INTERNALS file (there is lot to write) @item http/yahoo decoder by Saumil Shah (separate package?) @item increase tracking speed by adding a hash function or a `memcmp' (thanks to mainman's experience) @item increase speed by adding multithreading @item add a ``turbo'' mode (with the ./configure remove features) @item print only some status (i.e. only ESTABLISHED) @item custom filenaming pattern @item writing the offsets and seqs to file and terminal colors @item ability to enable/disable _detailed_ header printing @item write name lookups to a file (useful?) @item use the other nice libpcap functions (fully) @end itemize @unnumbered for the far future @itemize @item autodetect and name ftp and http files (external program?) @item autodect and decrypt ssh/ssl connections (external program?) @item "spider" mode: make a path of all urls visited by some hosts (external program?) (that will be a nice mode to see what kind of sites are hosts visiting) @item ncurses/gtk front-end @item RFC1149 compatibility and RFC3514 support @end itemize @bye tcpick-0.2.1/src/0000777000175100017510000000000010173301174010562 500000000000000tcpick-0.2.1/src/Makefile.EDITME0000644000175100017510000003347510165254732013130 00000000000000# *** WARNING *** # USE .EDITME FILES ONLY IF ./configure DOESN'T WORK PROPERLY! # If you have had troubles with ./configure, please tell me about # the problem and your Operating System. # Makefile.in generated by automake 1.8.5 from Makefile.am. # src/Makefile. 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HAVE_NETINET_IN_SYSTM_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_IP_H /* Define to 1 if you have the header file. */ #undef HAVE_NETINET_UDP_H /* Define to 1 if you have the header file. */ #undef HAVE_NET_IF_H /* Define to 1 if you have the header file. */ #undef HAVE_PCAP_H /* Define to 1 if you have the header file. */ #undef HAVE_PCAP_PCAP_H /* Define to 1 if you have the `perror' function. */ #undef HAVE_PERROR /* Define to 1 if you have the `setitimer' function. */ #undef HAVE_SETITIMER /* Define to 1 if you have the `setuid' function. */ #undef HAVE_SETUID /* Define to 1 if you have the `signal' function. */ #undef HAVE_SIGNAL /* Define to 1 if you have the header file. */ #undef HAVE_SIGNAL_H /* Define to 1 if you have the header file. */ #undef HAVE_STDARG_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the `strftime' function. */ #undef HAVE_STRFTIME /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strndup' function. */ #undef HAVE_STRNDUP /* Define to 1 if you have the `strtol' function. */ #undef HAVE_STRTOL /* Define to 1 if you have the header file. */ #undef HAVE_SYS_SOCKET_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the `time' function. */ #undef HAVE_TIME /* Define to 1 if you have the header file. */ #undef HAVE_TIME_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if you have the `unlink' function. */ #undef HAVE_UNLINK /* Define to 1 if you have the `vfprintf' function. */ #undef HAVE_VFPRINTF /* Define to 1 if you have the `vprintf' function. */ #undef HAVE_VPRINTF /* Define to 1 if you have the `_exit' function. */ #undef HAVE__EXIT /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Define to empty if `const' does not conform to ANSI C. */ #undef const /* Define to rpl_malloc if the replacement function should be used. */ #undef malloc tcpick-0.2.1/src/args.c0000644000175100017510000002321110172503007011573 00000000000000/* * args.c -- parse command-line arguments * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. * * Please read the COPYING file for the license details! */ /* * tcpick project needs somebody suggesting me bugs and new features! * If you want to contribute sending patches, finding bugs, compilation * errors, platform-specific incompatibilies you are invited to the tcpick * mailing-list: * * email address: * * Archive: * http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project * Subscribe: * http://lists.sourceforge.net/lists/listinfo/tcpick-project */ #include "tcpick.h" #include "extern.h" #define GNU_OPTIONS "ab::c:C::D::e:E::F:hi:npP:r:St::T::v::w::X:y::" #define NONGNU_OPTIONS "ab:c:CD:e:E:F:hi:npP:r:St:T:v:w:X:y:" int usage() { color(c_USAGE, stderr, USAGE); exit( TCPICK_SUCCESS ); } int parse_flav ( char c, enum FLAVOUR * flav ) { switch( c ) { case 'H': case 'P': case 'R': case 's': case 'U': case 'x': case 'X': if ( * flav == SILENT ) * flav = c; return 1; break; default: return 0; } } void parse_write ( char * s ) { #define WRITE_SIDE flags.writer.side #define WRITE_FLAV flags.writer.flavour int i; char c; for(i = 0; i < strlen( s ) ; i++) { switch( c = *( s + i ) ) { case 'C': WRITE_SIDE = ( WRITE_SIDE == SERVER ) ? BOTH : CLIENT; break; case 'S': WRITE_SIDE = ( WRITE_SIDE == CLIENT ) ? BOTH : SERVER; break; case 's': flags.writer.type = SEPARATE; break; case 'u': flags.writer.type = UNIQUE; break; case 'b': flags.writer.banner = 1; break; default: if (! parse_flav( c, &(flags.writer.flavour) ) ) { ERR_FLAV( c ); } break; } } if ( WRITE_FLAV == SILENT ) WRITE_FLAV = RAW; if ( WRITE_SIDE == NOTHING ) WRITE_SIDE = BOTH; } void parse_display_rebuild ( char * s ) { #define REBUILD_SIDE flags.display_rebuild.side #define REBUILD_FLAV flags.display_rebuild.flavour int i; char c; for(i = 0; i < strlen( s ) ; i++) { c = *( s + i ); switch( c ) { case 'C': REBUILD_SIDE = ( REBUILD_SIDE == SERVER ) ? BOTH : CLIENT; break; case 'S': REBUILD_SIDE = ( REBUILD_SIDE == CLIENT ) ? BOTH : SERVER; break; default: if (! parse_flav( c, &(flags.display_rebuild.flavour) ) ) { ERR_FLAV( c ); } break; } } if ( REBUILD_FLAV == SILENT ) REBUILD_FLAV = RAW; if ( REBUILD_SIDE == NOTHING ) REBUILD_SIDE = BOTH; } void parse_args(int argc, char ** argv) { char opt; #ifdef HAVE_GETOPT_LONG static struct option long_options[]= { {"version", no_argument, &(flags.versionandquit), 1 }, {"help", no_argument, &(flags.helpandquit), 1 }, {"show-header", no_argument, 0, 'h' }, {"separator", no_argument, &(flags.separator), 1 }, {"interface", required_argument, 0, 'i' }, {"readfile", required_argument, 0, 'r' }, {"dirs", required_argument, 0, 'D' }, {"filenaming", required_argument, 0, 'F' }, {"show-offsets", no_argument, &(flags.displayoffsets), 1 }, {"resolv-names", no_argument, 0, 'a' }, {"numerical-services",no_argument, 0, 'n' }, {"colors", no_argument, 0, 'C' }, {"pipe", required_argument, 0, 'P' }, {0,0,0,0} /* end */ }; #endif int option_index = 0; /* default values */ memset( &flags, 0, sizeof(struct FLAGS) ); flags.writer.flavour = SILENT; flags.display_payload = SILENT; flags.display_rebuild.side = NOTHING; flags.display_rebuild.flavour = SILENT; flags.verbosity = 1; flags.trackonly = -1; /* infinite (-1) is default; -T0 means "don't track anything" */ flags.filenaming = 1; if ( argc <= 1 ) printf("important: `man 8 tcpick' explains all options available\n"); #if HAVE_GETOPT_LONG /* GNU/Linux systems */ while (( opt = getopt_long(argc,argv, GNU_OPTIONS, long_options, &option_index) ) != -1 ) #else /* BSD systems */ printf("Your system doesn't support getopt_long() function; you will be " "unable to use the long options\n" " i.e. `% tcpick --interface ppp0' DOESN'T WORK! \n"); while ( ( opt = getopt( argc, argv, NONGNU_OPTIONS ) ) !=-1 ) #endif switch(opt) { case 'a': flags.lookup = 1; break; case 'b': if( optarg != NULL ) parse_display_rebuild ( optarg ); else parse_display_rebuild ( "R" ); break; case 'c': if (( flags.maxconns = atoi(optarg)) == 0) suicide( "parse_args", "%s: invalid number of maximum connections",optarg ); else flags.maxconns = 1; break; case 'C': flags.color = 1; break; case 'D': if( optarg != NULL ) { flags.dirs = atoi(optarg); if( flags.dirs == 0 ) suicide ("parse_args", "%s: invalid number of files per connection", optarg ); } else { flags.dirs = 100; } break; case 'e': if( optarg != NULL ) { flags.exitpackets = atoi(optarg); if ( flags.exitpackets == 0 ) { suicide ("parse_args", "%s: invalid number of packets to exit", optarg); } } break; case 'E': /* WARNING: if you modify this section, you should modify section case 'T' too */ flags.exitclosed = 1; /* default value */ if( optarg != NULL ) { if ( *optarg == 'f' ) { flags.exitclosed_first = 1; /* -Ef */ if ( strlen(optarg) == 1 ) /* -Ef without number */ break; else optarg++; /* -Ef with number */ } if (! ( flags.exitclosed = atoi(optarg) ) ) suicide( "parse_args", "%s: invalid number of closed connection" " to track before exiting", optarg ); } break; case 'F': if( optarg != NULL ) { flags.filenaming = atoi(optarg); if(flags.filenaming == 0) { suicide( "parse_args", "%s: invalid file naming system", optarg ); } } else { suicide( "parse_args", "-F option needs a number\n" "i.e. -F1 or -F2" ); } case 'h': flags.header = 1; break; case 'i': dev = optarg; break; case 'n': flags.numericalports = 1; break; case 'p': flags.notpromisc = 1; break; case 'P': switch( *optarg ) { case 'c': case 'C': parse_display_rebuild ( "RC" ); /* -bRC */ break; case 's': case 'S': parse_display_rebuild ( "RS" ); /* -bRS */ break; default: suicide("parse_args", "%s: invalid --pipe (-P) option",optarg); } flags.notstatus = 1; /* -S */ flags.verbosity = 0; /* -v0 */ flags.trackonly = 1; /* -T1 */ flags.trackonly_first = 1; /* -Tf */ flags.exitclosed = 1; /* -E1 */ flags.exitclosed_first = 1; /* -Ef */ break; case 'r': readfile = optarg; break; case 'S': flags.notstatus = 1; break; case 't': /* timestamp */ if( optarg ) { if( *optarg == 'd' ) { flags.displaytime = TIMEDATE; } else { suicide( "parse_args", "%s: invalid timestamp option", optarg ); } } else { flags.displaytime = ONLYTIME; } break; case 'T': /* WARNING: if you modify this section, you should modify section case 'E' too */ flags.trackonly = 1; /* default value */ if( optarg ) { if ( *optarg == 'f' ) { flags.trackonly_first = 1; /* -Tf */ if ( strlen(optarg) == 1 ) /* -Tf without number */ break; else optarg++; /* -Tf with number */ } if (! ( flags.trackonly = atoi(optarg) ) ) { suicide( "parse_args", "%s: invalid number of connections to track", optarg ); } } break; case 'v': if ( optarg ) { flags.verbosity = strtol(optarg,(char **)NULL, 10); if ( flags.verbosity < 0 || flags.verbosity > 5 ) suicide( "%s: invalid verbosity number",optarg ); } else flags.verbosity = 1; break; case 'w': if( optarg ) parse_write( optarg ); else parse_write( "R" ); break; case 'y': if( optarg ) { if (! parse_flav( *optarg, &(flags.display_payload) ) ) ERR_FLAV( *optarg ); } else parse_flav( 'P', &(flags.display_payload) ); break; case 'X': flags.timeout = atoi(optarg); break; default: ; /* UNREACHED */ } filter = argv[optind]; if(flags.versionandquit) { color( c_USAGE, stdout, PACKAGE_STRING "\n" " Author: " AUTHOR "\n" " for other info try `man 1 tcpick', or `%s --help'\n\n" TERMS ,TCPICK_NAME); exit( TCPICK_SUCCESS ); } if(flags.helpandquit) { usage(); exit( TCPICK_SUCCESS ); } } tcpick-0.2.1/src/display.c0000644000175100017510000001541410165254732012324 00000000000000/* * display.c -- displays data and status banners * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* FIXME: most code is duplicated: find a better solution! */ #include "tcpick.h" #include "extern.h" char * status2str( enum STATUS status ) /* converts the status flag to a string */ { char *str = (char *)S_calloc(1,128); switch(status) { case SYN_SENT: strcpy( str, "SYN-SENT" ); break; case SYN_RECEIVED: strcpy( str, "SYN-RECEIVED" ); break; case ESTABLISHED: strcpy( str, "ESTABLISHED" ); break; case FIN_WAIT_1: strcpy( str, "FIN-WAIT-1" ); break; case FIN_WAIT_2__CLOSE_WAIT: strcpy( str, "FIN-WAIT-2" ); /* should it be CLOSE-WAIT? */ break; case TIME_WAIT__LAST_ACK: strcpy( str, "TIME-WAIT" ); /* should it be LAST-ACK? */ break; case CLOSED: strcpy( str, "CLOSED" ); /* should it be TIME-WAIT? */ break; case RESET: strcpy( str, "RESET" ); break; case EXPIRED: strcpy( str, "EXPIRED" ); break; default: strcpy( str, "ERROR" ); break; } return str; } int display_status( FILE * out, struct CONN * conn, enum STATUS status ) /* display a "status banner" */ { char *client_name; char *server_name; char *s_time; char *status_string; if ( flags.notstatus ) { /* FIXME: sucks! and what if out will be a file? */ return 0; } client_name=(char *)lookup(conn->client.ip); s_time = (char *)S_calloc( 128, 1 ); if( time_ascii( s_time ) ) color( c_TIME, out,"%-16s ",s_time ); /* FIXME: check */ color( c_NUMBERING, out,"%-6d ",conn->num ); S_free ( s_time ); status_string = status2str( status ); color( _STATUS_COLOR(status), out,"%-14s",status_string ); S_free( status_string ); color( c_CLIENTNAME_STATUS, out, " %s:%s ", client_name, getportname(conn->client.port) ); color( _STATUS_COLOR(status), out,"> " ); server_name=(char *)lookup(conn->server.ip); color( c_SERVERNAME_STATUS, out,"%s", server_name ); fprintf( out,":" ); color( c_SERVICE, out,"%s", getportname(conn->server.port) ); fprintf( out, "\n" ); fflush( out ); } int display_header( FILE * out ) /* displays a banner for the header of the packet sniffed */ { /* FIXME: sucks */ char * source = NULL; char * dest = NULL; char * s_time = (char *)S_calloc(128,1); source=(char *)lookup(ippacket->ip_src); debug("[display_header]: source(%x)",source); debug("[display_header]: source=%s",source); if( time_ascii(s_time) ) color ( c_TIME, out,"%-16s ",s_time ); color( c_CLIENTNAME_HEADER, out,"%s",source ); fprintf(out,":"); color( c_SERVICE_HEADER, out,"%s ",getportname(tcppacket->source) ); if(tcppacket->urg) color(c_FLAGS, out,"U"); if(tcppacket->ack) color(c_FLAGS, out,"A"); if(tcppacket->psh) color(c_FLAGS, out,"P"); if(tcppacket->rst) color(c_FLAGS, out,"R"); if(tcppacket->syn) color(c_FLAGS, out,"S"); if(tcppacket->fin) color(c_FLAGS, out,"F"); dest = (char *)lookup( ippacket->ip_dst ); color(c_DIRECTION, out," > "); color(c_SERVERNAME_HEADER, out,"%s",dest); fprintf(out,":"); color(c_SERVICE_HEADER, out,"%s",getportname(tcppacket->dest)); fprintf(out," (%i)\n",payload_len); fflush(out); } int out_h( FILE * out, u_char * buf, int buflen ) /* hex-spaced mode */ { #define CHAR (int)( * buf ) while ( buflen ) { fprintf(out,"%2.2x ", CHAR); buf++; buflen--; } if ( DISPLAY_NL ) fputc( '\n' , out ); } int out_hn( FILE * out, u_char * buf, int buflen ) /* non printable carachters are displayed as */ { #define CHAR (int)( * buf ) while ( buflen ) { if( ( isascii( CHAR ) && !iscntrl( CHAR ) ) || ( CHAR == '\n' ) || (CHAR == '\r') || (CHAR == '\t') ) fputc( CHAR , out ); else color(c_NONPRINT, out, "<%2.2x>", CHAR); buf++; buflen--; } if ( * ( --buf ) != '\n' ) if ( DISPLAY_NL ) fputc( '\n' , out ); } int out_p( FILE * out, u_char * buf, int buflen ) /* non printable carachters are displayed as dots */ { #define CHAR (int)( * buf ) while (buflen) { if( ( isascii( CHAR ) && !iscntrl( CHAR ) ) || ( CHAR == '\n' ) || (CHAR == '\r') || (CHAR == '\t') ) fputc( CHAR , out ); else color( c_NONPRINT, out, "." ); buf++; buflen--; } if ( * ( --buf ) != '\n' ) if ( DISPLAY_NL ) fputc( '\n' , out ); } /* WARNING: if you want to modify out_xa, see carefully if it affects out_x too */ int out_xa (FILE * out, u_char * buf, int buflen) { register int pos = 0; /* first character is position 0 */ register int max; register int i; char a[16] = "................" ; color(c_HEXOFF0, out, "0x%-8.4x", 0); while( pos < buflen ) { do { if( pos < buflen ) { /* print hex stuff */ if ( isgraph( *( buf + pos ) ) ) fprintf(out, pos % 2 ? "%2.2x " : "%2.2x", *( buf + pos ) ); else color( c_NONPRINT, out, pos % 2 ? "%2.2x " : "%2.2x", *( buf + pos ) ); /* raw data */ a[ pos % 16 ] = *( buf + pos ); } else { /* hex space fill */ fprintf(out, pos % 2 ? " " : " "); } pos++; } while ( pos % 16 ); max = ( pos <= buflen ) ? 15 : buflen % 16 ; for(i = 0; max >= 0; max--) { if ( isgraph( a[i] ) ) fputc( a[i], out ); else color( c_NONPRINT, out, "." ); i++; } fputc( '\n', out ); if ( pos >= buflen ) break; /* print offset at beginning of line */ color(c_HEXOFF, out,"0x%-8.4x", pos); } } int out_x (FILE * out, u_char * buf, int buflen) /* hexdump */ { register int pos = 0; /* first character is position 0 */ color(c_HEXOFF0, out, "0x%-8.4x", 0); while( pos < buflen ) { do { if( pos < buflen ) /* print hex stuff */ if ( isgraph( *( buf + pos ) ) ) fprintf(out, pos % 2 ? "%2.2x " : "%2.2x", *( buf + pos ) ); else color( c_NONPRINT, out, pos % 2 ? "%2.2x " : "%2.2x", *( buf + pos ) ); else /* hex space fill */ fprintf(out, pos % 2 ? " " : " ", *( buf + pos ) ); pos++; } while ( pos % 16 ); fprintf(out, "\n"); if ( pos >= buflen ) break; /* print offset at beginning of line */ color(c_HEXOFF, out,"0x%-8.4x", pos); } } tcpick-0.2.1/src/lookup_tree.c0000644000175100017510000001176410165254732013213 00000000000000/* * lookup_tree.c -- the tree of host lookup engine * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ /* lookup_tree.c * this file contains the functions called by lookup.c * all name/ip couples are cached in a balanced tree (in a similar way * to the avl tree) */ #include "tcpick.h" #include "extern.h" #define PARENT_POSITION_IS_LEFT(p) (p->parent->right == p) struct _l_node * _l_root; /* the first node */ /* prototypes */ struct _l_node * _l_alloc(struct in_addr, char *); char * _l_get(struct in_addr); int _l_insert(struct _l_node *); int _l_walkup(struct _l_node *); int _l_checkweight(struct _l_node *); int _l_balance_right(struct _l_node *); int _l_balance_left(struct _l_node *); int _l_adjust_h(struct _l_node *); struct _l_node * _l_alloc(struct in_addr ip, char * name) { register struct _l_node * new; new = (struct _l_node *) S_malloc(sizeof(struct _l_node)); memset(new, 0, sizeof(struct _l_node)); new->name = (char *)strdup(name); /* FIXME: not sure strdup is a good thing*/ memcpy(&(new->ip), &ip, sizeof(struct in_addr)); return new; } char * _l_get(struct in_addr ia) { register struct _l_node * p; p = _l_root; while(p) { if ( p->ip.s_addr == ia.s_addr ) return p->name; /* found */ p = ( ia.s_addr > p->ip.s_addr ) ? p->right : p->left; } return NULL; /* not found */ } int _l_insert(struct _l_node * new) { /* FIXME: could be better */ register struct _l_node ** p; register struct _l_node * pre = NULL; p = & _l_root; while(*p) { pre = *p; p = ( new->ip.s_addr > (*p)->ip.s_addr ) ? &((*p)->right) : &((*p)->left); } *p = new; new->parent = pre; _l_walkup(new); return 1; } int _l_walkup(struct _l_node * node) /* FIXME: could be improved maybe */ { register struct _l_node * par; par = node->parent; while( par != NULL ) { if( par->right == node ) par->right_h = MAX(par->right->right_h, par->right->left_h) + 1; else par->left_h = MAX(par->left->right_h, par->left->left_h) + 1; if( _l_checkweight(par) != 0 ) /* something was done */ return 1; node = par; par = par->parent; } return 0; } int _l_checkweight(struct _l_node * node) { if( (node->right_h - node->left_h) > 1) { /* need balance because of right too weight */ _l_balance_right(node->right); return 1; } if( (node->left_h - node->right_h) > 1) { /* need balance because of left too weight */ _l_balance_left(node->left); return 2; } return 0; } int _l_balance_right(struct _l_node * D) { /* before: B / \ A D / \ C E after: D / \ B E / \ A C */ register struct _l_node * B = D->parent; /* 1. step: put up the node */ if( B->parent != NULL ) { if( PARENT_POSITION_IS_LEFT(B) ) B->parent->right = D; else B->parent->left = D; D->parent = B->parent; } else { /* this is the root */ _l_root = D; _l_root->parent = NULL; } /* 2. step: the left side C of the node D becames the * right of the node B */ B->right = D->left; if( B->right ) B->right->parent = B; /* 3. step: left side of D is B */ D->left = B; B->parent = D; /* 4. step: adjust height values */ _l_adjust_h(B); _l_adjust_h(D); return 1; } int _l_balance_left(struct _l_node * D) { /* before: B / \ D A / \ E C after: D / \ E B / \ C A */ register struct _l_node * B = D->parent; /* 1. step: put up the node */ if( B->parent != NULL ) { if( PARENT_POSITION_IS_LEFT(B) ) B->parent->right = D; else B->parent->left = D; } D->parent = B->parent; /* 2. step: the right side C of the node D becames the * left of the node B */ B->left = D->right; if( B->left ) B->left->parent = B; /* 3. step: right side of D is B */ D->right = B; B->parent = D; /* 4. step: adjust height values */ _l_adjust_h(B); _l_adjust_h(D); return 1; } int _l_adjust_h(struct _l_node * node) { node->right_h = ( node->right != NULL ) ? MAX(node->right->left_h, node->right->right_h) + 1 : 0; node->left_h = ( node->left != NULL ) ? MAX(node->left->left_h, node->left->right_h) + 1 : 0; return 1; } tcpick-0.2.1/src/lookup_query.c0000644000175100017510000000442110165254732013411 00000000000000/* * lookup_query.c -- the host lookup engine * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ #include "tcpick.h" #include "extern.h" char * lookup_new(struct in_addr ia) { register struct hostent * he; register struct _l_node * node; he = gethostbyaddr((char *)&ia, sizeof(struct in_addr), AF_INET); node = (struct _l_node *)_l_alloc(ia, (he == NULL) ? inet_ntoa(ia) : he->h_name ); _l_insert( node ); return node->name; } char * lookup(struct in_addr ia) /* WARNING: returned buffer is by default static! */ { register char * name; if(flags.lookup == 0) /* this is default */ return inet_ntoa(ia); name = (char *)_l_get(ia); return ( (name == NULL) ? (char *)lookup_new(ia) : (char *)name ); } char * getportname(u_int16_t port) /* FIXME: completely rewrite! */ { static char *service=NULL; static char *s_port=NULL; struct servent * ptr; if(service) { S_free(service); service=NULL; } if(s_port) { S_free(s_port); s_port=NULL; } if(!flags.numericalports) if(ptr=(struct servent *)getservbyport(port, "tcp")) if(ptr->s_name) { debug("service name resolved: %s",ptr->s_name); return service=(char *)strdup(ptr->s_name); } debug( "service name NOT resolved: %d",ntohs(port) ); /* \n carachter should be inserted because this messages comes after * a "printf" message not ended in \n in another function */ s_port=(char *)S_calloc(128,1); sprintf(s_port,"%d",ntohs(port)); return s_port; } tcpick-0.2.1/src/loop.c0000644000175100017510000000725710172503700011624 00000000000000/* * loop.c -- the main loop of the capture engine * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ #include "tcpick.h" #include "extern.h" int got_packet (u_char * useless, const struct pcap_pkthdr* hdr, const u_char* packet) /* called by pcap_loop. this is the main loop for the packet engine. */ { /* FIXME: this function is too long */ /* check if the flag for checking for expired connections is turned on */ if(expired_flag == CHECK_GOTPACKET) { check_expired(); } expired_flag = CHECK_NOT; if(! packet) fault( "got_packet", "didn't grab packet" ); count_packets++; ippacket=(struct ip *)(packet + datalink_size); #if __BYTE_ORDER == __LITTLE_ENDIAN iplen = (ippacket->ip_len % 256) * 256 + (ippacket->ip_len) / 256; #elif __BYTE_ORDER == __BIG_ENDIAN iplen = ippacket->ip_len; #else # error "Please fix " #endif switch(ippacket->ip_p) { case IPPROTO_TCP: tcppacket = (struct tcphdr *)(packet + datalink_size + IP_SIZE); tcp_size = tcppacket->doff * 4; payload = (u_char *)(packet + datalink_size + IP_SIZE + tcp_size); payload_len = iplen - IP_SIZE - tcp_size; #ifdef TCPICK_DEBUG if( payload_len != (hdr->len - (int)( payload - packet ) ) ) { suicide( "got_packet", "payload lenght calculated with iplen and hdr->len\n" "differs by %d bytes\n" "hdr->len = %d\n" "datalink_size = %d\n" "IP_SIZE = %d\n" "iplen = %d\n" "tcp_size = %d\n" "iplen - IP_SIZE - tcp_size = %d\n" "(hdr->len - (int)( payload - packet ) = %d\n", payload_len - (hdr->len - (int)( payload - packet )), hdr->len, datalink_size, IP_SIZE, iplen, tcp_size, payload_len, (hdr->len - (int)( payload - packet )) ); } #endif /* TCPICK_DEBUG */ if( flags.header > 0 ) display_header( stdout, ippacket, tcppacket, payload_len ); verify(); /* call the core to manage the packet */ if( payload_len == 0 || SILENCE ) goto end; out_flavour( flags.display_payload, stdout, payload, payload_len ); break; case IPPROTO_UDP: udppacket = (struct udphdr *)(packet + datalink_size + IP_SIZE); payload = (u_char *)(packet + datalink_size + IP_SIZE + sizeof(*udppacket)); payload_len = hdr->len - (int)( payload - packet ); if( payload_len == 0 || SILENCE ) goto end; out_flavour( flags.display_payload, stdout, payload, payload_len ); break; default: /* Packet with an unidentified protocol */ debug( "Packet with unidentified protocol caught: %s > %s", inet_ntoa(ippacket->ip_src), inet_ntoa(ippacket->ip_dst) ); } end: if( flags.exitpackets != 0 ) { if (count_packets == flags.exitpackets) exit(EXIT_SUCCESS); } /* Now the callback is able to check! */ expired_flag = CHECK_LISTENING; } tcpick-0.2.1/src/tracker.c0000644000175100017510000000727610165254732012321 00000000000000/* * tracker.c -- connection status handler * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" struct CONN * first_conn = NULL; /*all connections, ends on a 0*/ struct CONN * last_conn = NULL; int status_switch(struct CONN * prev, enum STATUS status) { #define CURR (prev->next) display_status( stdout, CURR, status ); if ( status == CLOSED || status == RESET || status == EXPIRED ) rmconn( prev ); else CURR->status = status; } int newconn( struct CONN * prev_ring ) /* allocates a new connection */ { struct CONN * conn; if( flags.trackonly != -1 ) { if( flags.trackonly_first && ( count_conns >= flags.trackonly ) ) return -1; else if( count_opened >= flags.trackonly ) return -1; else count_opened++; } count_conns++; conn = ( struct CONN * )S_calloc( sizeof( struct CONN ), 1 ); prev_ring->next = conn; /* and the chain becomes longer... :) thank you mainman for this good idea! */ last_conn = conn; conn->client.side = CLIENT; conn->server.side = SERVER; conn->client.ip.s_addr = ippacket->ip_src.s_addr; conn->server.ip.s_addr = ippacket->ip_dst.s_addr; conn->client.port = tcppacket->source; conn->server.port = tcppacket->dest; conn->client.sip = ntohl(tcppacket->seq) + 1; conn->client.oth = & (conn->server); conn->server.oth = & (conn->client); conn->num = count_conns; conn->lasttime = time(NULL); status_switch( prev_ring, SYN_SENT ); } int rmconn( struct CONN * prev_ring ) /* removes from the linked-list and deallocates a connection * prev_ring */ { struct CONN * curr = prev_ring->next; struct CONN * conn; prev_ring->next = curr->next; if( curr->next == NULL ) last_conn = prev_ring; free_desc( &(curr->client) ); free_desc( &(curr->server) ); S_free( curr ); conn = first_conn; if( flags.exitclosed ) { if( flags.exitclosed_first ) { /* -Ef */ while( conn->num > flags.exitclosed ) { if(! (conn->next) ) exit( EXIT_SUCCESS ); conn = conn->next; } } else { /* -E */ --flags.exitclosed; if( flags.exitclosed == 0) exit( EXIT_SUCCESS ); } } if( flags.trackonly && (! flags.trackonly_first) ) count_opened--; } int free_desc( struct HOST_DESC * desc ) /* frees the host descriptor and closes the file */ { struct FRAGMENT * tmp; if( desc->file ) { fclose( desc->file ); if (flags.writer.type == UNIQUE) desc->oth->file = NULL; } if( desc->filename ) { S_free( desc->filename ); desc->filename = NULL; } if( desc->lockfilename ) { unlink( desc->lockfilename ); S_free( desc->lockfilename ); desc->lockfilename = NULL; } while( desc->unack ) { /* FIXME: desc->unack should be just NULL when closes! * I should check it! */ S_free( desc->unack->payload ); desc->unack->payload = NULL; tmp = desc->unack; desc->unack = desc->unack->next; S_free( tmp ); } } tcpick-0.2.1/src/tcpick.c0000644000175100017510000001552310173200100012110 00000000000000/* * tcpick.c -- main project file * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. * * Please read the COPYING file for the license details! */ /* * tcpick project needs somebody suggesting me bugs and new features! * If you want to contribute sending patches, finding bugs, compilation * errors, platform-specific incompatibilies you are invited to the tcpick * mailing-list: * * email address: * * Archive: * http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project * Subscribe: * http://lists.sourceforge.net/lists/listinfo/tcpick-project */ /* * in the code you will find many (sooo many) FIXME's: it means that * I (or somebody else) should improve the code. */ #include "tcpick.h" #include "globals.h" char *errbuf[PCAP_ERRBUF_SIZE]; struct bpf_program filter_compiled; bpf_u_int32 netp; /* ip */ bpf_u_int32 maskp; /* subnet mask */ struct in_addr addr; char *other_args = NULL; pcap_t *descr; const u_char *packet; u_char *curr_char; struct pcap_pkthdr hdr; u_char *datalink_str; extern void got_packet(); extern void exit_signal(int); void signal_setup(int sig, void (*handler)( )) { #ifdef HAVE_SIGACTION struct sigaction sa; sa.sa_handler = handler; sigemptyset(&(sa.sa_mask)); sigaddset(&(sa.sa_mask), sig); sa.sa_flags = 0; if( sigaction(sig, &sa, 0) == -1) sorry("signal_setup", "sigaction(%d,%p,0) returned -1"); #else #ifdef HAVE_SIGNAL if (signal(sig, handler) == SIG_ERR) sorry("signal_setup", "signal(%d,%p) returned SIG_ERR"); #endif /* HAVE_SIGNAL */ #endif /* HAVE_SIGACTION */ } int main(int argc, char **argv) { char tbuf[128]; struct tm *tm; time_t now; parse_args(argc, argv); /* set a timer that sends every second a SIGALRM signal */ set_timer(); #ifdef HAVE_ATEXIT { extern void cleanup(); if (atexit (cleanup) != 0 ) { sorry("main", "atexit returned a nonzero value"); } } #endif #ifdef SIGINT signal_setup (SIGINT, exit_signal); #endif #ifdef SIGTERM signal_setup (SIGTERM, exit_signal); #endif #ifdef SIGQUIT signal_setup (SIGQUIT, exit_signal); #endif #ifdef SIGHUP /* TODO: maybe another use for this signal */ signal_setup (SIGHUP, exit_signal); #endif /* time stuff stolen by Fyodor's nmap */ now = time(NULL); if (!(tm = localtime(&now))) fault("main", "Unable to get current localtime()"); if (strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %H:%M %Z", tm) <= 0) fault("main", "Unable to properly format time"); msg( 1, c_WELCOME, "Starting " PACKAGE_STRING " at %s", tbuf ); #ifdef TCPICK_DEBUG msg( 1, c_COMPILED, "Compiled with -DTCPICK_DEBUG" ); #endif if( flags.trackonly > -1 ) { msg( 1, c_SETTING, "Number of connections that will be tracked: %i", flags.trackonly ); } if( flags.timeout <= 0 ) { /* thank you Artyom Khafizov :^) */ flags.timeout = 600; } msg( 1, c_SETTING, "Timeout for connections is %i", flags.timeout ); if( flags.exitpackets != 0 ) { msg( 1, c_SETTING, "when %d packets will be sniffed, " "tcpick exits", flags.exitpackets); } if( flags.exitclosed ) { if( flags.exitclosed_first ) msg(1, c_SETTING, "when _the first_ %i tracked " "connections will be closed, tcpick exits", flags.exitclosed ); else msg(1, c_SETTING, "when %i tracked connections " "will be closed, tcpick exits", flags.exitclosed ); } /* I hope this was clear enough */ if( ( dev != NULL ) && ( readfile != NULL) ) { suicide( "main", "Please specify either a file (with -r )\n" "\t or an interface (with -i ), not both" ); } if( ( dev == NULL ) && ( readfile == NULL ) ) { /* find first available network device */ dev = pcap_lookupdev( (char*) errbuf ); if( dev == NULL ) { suicide( "main", errbuf ); } } else if( readfile != NULL ) { setuid(getuid()); msg( 1, c_INTERFACE, "%s: reading from %s", TCPICK_NAME, readfile ); descr = pcap_open_offline( readfile, (char *)errbuf ); } if( dev != NULL) { debug( "Using device: %s", dev ); msg( 1, c_INTERFACE, "%s: listening on %s", TCPICK_NAME, dev ); /* ask pcap for the network address and mask of the device */ ret = pcap_lookupnet( dev, &netp, &maskp, (char *)errbuf); if( ret == -1 ) { netp = 0; maskp = 0; err( "%s", errbuf ); } addr.s_addr = netp; net = (char *)strdup( inet_ntoa(addr) ); if(! net ) fault( "main", "inet_ntoa" ); addr.s_addr = maskp; mask = (char *)strdup( inet_ntoa(addr) ); if (! mask ) { fault( "main", "inet_ntoa" ); } debug( "net: %s", net ); debug( "mask: %s", mask ); descr = pcap_open_live( dev, BUFSIZ, flags.notpromisc ? 0 : 1 , 1000, (char *)errbuf ); } if( descr == NULL) suicide( "main", errbuf ); /* compiling the filter */ if( filter != NULL ) { msg(1, c_SETTING, "setting filter: \"%s\"",filter); if( ( pcap_compile( descr, &filter_compiled, filter, 0, (int)net ) == -1) ) err("error compiling filter \"%s\"",filter); pcap_setfilter( descr, &filter_compiled ); } /* getting information about the datalink type of the device choosen (not all are supported) */ datalink_id = pcap_datalink( descr ); datalink_str = (char *)datalink2str( datalink_id ); debug( "datalink: %s", datalink_str ); datalink_size = datalink2off( datalink_id ); debug ( "datalink header size: %d", datalink_size ); /* setting entry point of linked-list of connections tracked */ first_conn = (struct CONN *)S_calloc( sizeof(struct CONN), 1 ); last_conn = first_conn; /* see timer.c for further details */ expired_flag = CHECK_LISTENING; /* setting function that analyzes captured packets */ pcap_loop( descr, -1, got_packet, NULL ); /* this point should not be reached, unless errors or -r option */ if( readfile ) { msg( 1, c_DONE, "%s: done reading from %s", TCPICK_NAME, readfile ); exit ( TCPICK_SUCCESS ); } else { suicide( "main", "exited pcap loop" ); } /* NOT REACHED */ return TCPICK_FAILURE; } tcpick-0.2.1/src/write.c0000644000175100017510000001460710170071307012003 00000000000000/* * write.c -- chooses output data * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" __inline__ char * avail_filename(struct CONN * conn_ptr, enum PART side, char * ext) /* finds an available name for the connection file, i.e. sometimes there are same filenames, this is useful to invent a different filename */ { char * client_server; char * base_name; char * dir_name; char * test_name; char * ret; struct stat stat_struct; /* this gets the name of the host */ char * clientname; char * servername; int server_port=conn_ptr->server.port; int num = 0; client_server = (char *)S_calloc(MAX_FILENAME_LENGHT,1); base_name = (char *)S_calloc(MAX_FILENAME_LENGHT,1); dir_name = (char *)S_calloc(MAX_FILENAME_LENGHT,1); test_name = (char *)S_calloc(MAX_FILENAME_LENGHT,1); if (flags.dirs > 0) { /* -D option */ sprintf(dir_name,"%06u", conn_ptr->num / flags.dirs); if( stat(dir_name, &stat_struct) == -1 ) { switch (errno) { case ENOENT: /* directory don't exist: create it! */ if( mkdir(dir_name, 666) == -1 ) fault("avail_filename", "mkdir"); break; default: fault("avail_filename", "stat"); } } } else { sprintf(dir_name,"."); } clientname = (char *)lookup(conn_ptr->client.ip); sprintf(client_server,"%s", clientname); servername=(char *)lookup(conn_ptr->server.ip); sprintf(client_server,"%s_%s_%s", client_server, servername, getportname(server_port) ); if(flags.writer.type == UNIQUE) { /* this was Saumil Shah's wish ;^) */ switch( flags.filenaming ) { case 1: sprintf(base_name, "%s/tcpick_%s.both", dir_name, client_server); break; case 2: sprintf(base_name, "%s/tcpick_%06u_%s.both", dir_name, conn_ptr->num, client_server); break; } } else { /* flags.writer.type == SEPARATE, * so, give different filenames! * this is by default. */ switch( flags.filenaming ) { case 1: switch( side ) { case CLIENT: sprintf(base_name, "%s/tcpick_%s.clnt", dir_name, client_server); break; case SERVER: sprintf(base_name,"%s/tcpick_%s.serv", dir_name, client_server); break; } break; case 2: switch( side ) { case CLIENT: sprintf(base_name, "%s/tcpick_%06u_%s.clnt", dir_name, conn_ptr->num, client_server); break; case SERVER: sprintf(base_name,"%s/tcpick_%06u_%s.serv", dir_name, conn_ptr->num, client_server); break; } break; } } sprintf( test_name, "%s.%s", base_name, ext ); while(! stat( test_name, &stat_struct )) { num++; sprintf( test_name, "%s.%x.%s", base_name, num, ext ); } /* returning the right pointer and freeing wasted memory */ #ifdef HAVE_STRNDUP ret = (char *)strndup( test_name, MAX_FILENAME_LENGHT ); #else ret = (char *)strdup( test_name ); #endif S_free( test_name ); S_free( dir_name ); S_free( base_name ); S_free( client_server ); return ret; } void open_file( struct CONN * conn_ptr, struct HOST_DESC * desc ) { static char * s; FILE * lockfile; /* preparing for the connection side file */ if(flags.writer.type == UNIQUE && desc->oth->file != NULL ) { /* user want a unique output file, and it was just opened! */ desc->file = desc->oth->file; desc->filename = desc->oth->filename; } else { s = (char *)avail_filename( conn_ptr, desc->side, "dat" ); desc->file = fopen( s , "a" ); if( desc->file == NULL ) fault("open_file", "fopen returned NULL"); desc->filename = s; s = (char *)avail_filename( conn_ptr, desc->side, "lck"); lockfile = fopen( s , "a" ); if( lockfile == NULL ) fault("open_file", "fopen returned NULL"); fclose(lockfile); desc->lockfilename = s; } return; } __inline__ int flowflush ( struct CONN * conn_ptr, struct HOST_DESC * desc, u_char * buf, int buflen ) /* data that are acknowledged come here in order to be written to their file, or to stdout */ { /* -b set of options */ if ( desc->side == flags.display_rebuild.side ) out_flavour ( flags.display_rebuild.flavour, stdout, buf, buflen ); else if ( flags.display_rebuild.side == BOTH ) out_flavour ( flags.display_rebuild.flavour, stdout, buf, buflen ); /* -w set of options */ if ( desc->side == flags.writer.side ) { if(! desc->file ) open_file( conn_ptr, desc ); out_flavour ( flags.writer.flavour, desc->file, buf, buflen ); } else if ( flags.writer.side == BOTH ) { if(! desc->file ) open_file( conn_ptr, desc ); if ( flags.writer.banner == 1 ) { /* -wb */ /* FIXME: add it to `-b' too? Do a function for this? */ fprintf(desc->file, (desc->side == CLIENT) ? "\n[client] %d:%d (%d)\n" : "\n[server] %d:%d (%d)\n", desc->wlen, desc->wlen + buflen, buflen); } out_flavour ( flags.writer.flavour, desc->file, buf, buflen ); } } int out_flavour( enum FLAVOUR flavour, FILE * out, u_char * buf, int buflen ) /* chooses the function to call, according to the specified flavour */ { if( flags.separator && ( out == stdout ) ) /* FIXME: sucks? */ color( c_SEPARATOR, stdout, SEPARATOR "\n" ); switch ( flavour ) { case HEX_ASCII_DUMP: out_xa( out, buf, buflen ); break; case HEX_DUMP: out_x( out, buf, buflen ); break; case RAW: fwrite( buf, sizeof(u_char), buflen, out ); if( DISPLAY_NL ) fprintf( out, "\n" ); break; case PRINTABLE: out_p( out, buf, buflen ); break; case HEX: out_h( out, buf, buflen ); break; case HEX_NON_PRINT: out_hn( out, buf, buflen ); break; default: /* SILENT ??? */ break; } } tcpick-0.2.1/src/datalink.c0000644000175100017510000001000410165254732012434 00000000000000/* * datalink.c -- calculates datalink offsets * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ #include "tcpick.h" #include "extern.h" char *datalink2str(int dl_id) { char *str = NULL; if (str) { S_free (str); str = NULL; } str = S_calloc(128 , 1); debug( "datalink number: %d" , dl_id ); switch(dl_id) { #ifdef DLT_NULL case DLT_NULL: strcpy(str, "DLT_NULL"); break; #endif #ifdef DLT_EN10MB case DLT_EN10MB: strcpy(str, "DLT_EN10MB"); break; #endif #ifdef DLT_IEEE802 case DLT_IEEE802: strcpy(str, "DLT_IEEE802"); break; #endif #ifdef DLT_ARCNET case DLT_ARCNET: strcpy(str, "DLT_ARCNET"); break; #endif #ifdef DLT_FDDI case DLT_FDDI: strcpy(str, "DLT_FDDI"); break; #endif #ifdef DLT_ATM_RFC1483 case DLT_ATM_RFC1483: strcpy(str, "DLT_ATM_RFC1483"); break; #endif #ifdef DLT_RAW case DLT_RAW: strcpy(str, "DLT_RAW"); break; #endif #ifdef DLT_PPP_SERIAL case DLT_PPP_SERIAL: strcpy(str, "DLT_PPP_SERIAL"); break; #endif #ifdef DLT_PPP_ETHER case DLT_PPP_ETHER: strcpy(str, "DLT_PPP_ETHER"); break; #endif #ifdef DLT_C_HDLC case DLT_C_HDLC: strcpy(str, "DLT_C_HDLC"); break; #endif #ifdef DLT_IEEE802_11 case DLT_IEEE802_11: strcpy(str, "DLT_IEEE802_11"); break; #endif #ifdef DLT_LOOP case DLT_LOOP: strcpy(str, "DLT_LOOP"); break; #endif #ifdef DLT_LINUX_SLL case DLT_LINUX_SLL: strcpy(str, "DLT_LINUX_SLL"); break; #endif #ifdef DLT_LTALK case DLT_LTALK: strcpy(str, "DLT_LTALK"); break; #endif #ifdef DLT_PFLOG case DLT_PFLOG: strcpy(str, "DLT_PFLOG"); break; #endif #ifdef DLT_PPP case DLT_PPP: strcpy(str, "DLT_PPP"); break; #endif #ifdef DLT_SLIP case DLT_SLIP: strcpy(str, "DLT_SLIP"); break; #endif #ifdef DLT_SLIP_BSDOS case DLT_SLIP_BSDOS: strcpy(str, "DLT_SLIP_BSDOS"); break; #endif #ifdef DLT_PPP_BSDOS case DLT_PPP_BSDOS: strcpy(str, "DLT_PPP_BSDOS"); break; #endif default: sprintf(str, "UNKNOWN(0x%x)(%d)" , dl_id , dl_id); break; } return str; } int datalink2off(int dl_id) { int dl_size = 0; switch(dl_id) { #ifdef DLT_NULL /* not tested */ case DLT_NULL: dl_size = 4; break; #endif #ifdef DLT_EN10MB case DLT_EN10MB: dl_size = 14; break; #endif #ifdef DLT_RAW case DLT_RAW: dl_size = 0; break; #endif #ifdef DLT_IEEE802_11 /* not tested */ case DLT_IEEE802_11: dl_size = 24; break; #endif #ifdef DLT_LOOP /* not tested */ case DLT_LOOP: dl_size = 4; break; #endif #ifdef DLT_PPP_ETHER case DLT_PPP_ETHER: dl_size = 8; break; #endif #ifdef DLT_LINUX_SLL case DLT_LINUX_SLL: dl_size = 16; break; #endif #ifdef DLT_PFLOG case DLT_PFLOG: dl_size = 48; break; #endif /* credits for DLT_PPP, DLT_SLIP, DLT_SLIP_BSDOS and DLT_PPP_BSDOS offsets: SNiFf v0.3 by uLiX http://www.s0ftpj.org/bfi/online/bfi10/BFi10-05.html */ #ifdef DLT_PPP case DLT_PPP: dl_size = 4; break; #endif #ifdef DLT_SLIP case DLT_SLIP: dl_size = 16; break; #endif #ifdef DLT_SLIP_BSDOS case DLT_SLIP_BSDOS: dl_size = 24; break; #endif #ifdef DLT_PPP_BSDOS case DLT_PPP_BSDOS: dl_size = 24; break; #endif default: suicide("datalink2off", "Sorry, datalink %s type not recognized by %s !\n", datalink2str(dl_id), PACKAGE_STRING); } return dl_size; } tcpick-0.2.1/src/verify.c0000644000175100017510000001275410171512505012157 00000000000000/* * verify.c -- the connection matching engine * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" #define CURRENT_CONN (prev_conn->next) #define ACK_OFF ntohl( tcppacket->ack_seq ) - Desc->oth->sip /* FIXME: to def.h? */ #define IS_CLIENT_SENDER \ CURRENT_CONN->client.ip.s_addr == ippacket->ip_src.s_addr && \ CURRENT_CONN->server.ip.s_addr == ippacket->ip_dst.s_addr && \ CURRENT_CONN->client.port == tcppacket->source && \ CURRENT_CONN->server.port == tcppacket->dest #define IS_SERVER_SENDER \ CURRENT_CONN->client.ip.s_addr == ippacket->ip_dst.s_addr && \ CURRENT_CONN->server.ip.s_addr == ippacket->ip_src.s_addr && \ CURRENT_CONN->client.port == tcppacket->dest && \ CURRENT_CONN->server.port == tcppacket->source #define IS_SYN_SENT \ tcppacket->syn == 1 && \ tcppacket->ack == 0 #define IS_SYN_RECEIVED \ tcppacket->syn == 1 && \ tcppacket->ack == 1 && \ Desc->side == SERVER && \ CURRENT_CONN->status == SYN_SENT #define IS_ESTABLISHING \ tcppacket->syn == 0 && \ tcppacket->ack == 1 && \ Desc->side == CLIENT && \ CURRENT_CONN->status == SYN_RECEIVED && \ CURRENT_CONN->client.sip == ntohl( tcppacket->seq ) #define IS_DATA_FLOW 1 #define IS_FIN_WAIT_1 \ tcppacket->fin == 1 && \ CURRENT_CONN->status == ESTABLISHED #define IS_FIN_WAIT_2__CLOSE_WAIT \ tcppacket->ack == 1 && \ tcppacket->fin == 0 && \ CURRENT_CONN->status == FIN_WAIT_1 && \ CURRENT_CONN->closer != Desc->side #define IS_TIME_WAIT__LAST_ACK \ tcppacket->ack == 1 && \ tcppacket->fin == 1 && \ ( CURRENT_CONN->status == FIN_WAIT_2__CLOSE_WAIT || \ CURRENT_CONN->status == FIN_WAIT_1 ) && \ CURRENT_CONN->closer != Desc->side #define IS_CLOSING \ tcppacket->ack == 1 && \ tcppacket->fin == 0 && \ CURRENT_CONN->status == TIME_WAIT__LAST_ACK && \ CURRENT_CONN->closer == Desc->side #define IS_RESET \ tcppacket->rst == 1 __inline__ int established_packet ( struct CONN * conn_ptr, struct HOST_DESC * Desc) /* called by verify() packets of established connections come here */ { register u_int32_t off; if( payload_len ) { off = ntohl( tcppacket->seq ) - Desc->sip ; /* unacknowledged data */ addfr( & (Desc->unack), Desc->wlen, off, payload, payload_len ); } if( payload_len == 0) { /* acknowledge data */ flush_ack ( Desc->oth, conn_ptr, ACK_OFF ); } else if( tcppacket->psh ) { /* PUSH data */ flush_ack ( Desc, conn_ptr, ACK_OFF ); } } __inline__ int verify() /* called by got_packet(). this is the engine that matches the packets with their connection */ { register struct HOST_DESC * Desc = NULL; register struct CONN * prev_conn; prev_conn = first_conn; /* SYN-SENT: (outside of the loop because the * loop is used for sessions just tracked) */ if( IS_SYN_SENT ) { newconn( last_conn ); return(1); } if(! CURRENT_CONN ) return 0 ; while (! Desc ) { /* cycle until it finds a connection that matches on server or client side */ if ( IS_CLIENT_SENDER ) Desc = & (CURRENT_CONN->client); else if ( IS_SERVER_SENDER ) Desc = & (CURRENT_CONN->server); else { prev_conn = prev_conn->next; if(! CURRENT_CONN ) return 0 ; } } /* update time of last packet in connection */ CURRENT_CONN->lasttime = time(NULL); /* when this point is reached, we have found the right matching connection */ if( IS_SYN_RECEIVED ) { CURRENT_CONN->server.sip = ntohl(tcppacket->seq) + 1; status_switch( prev_conn, SYN_RECEIVED ); return 1; } /* 3rd packet of the 3-way-handshake*/ if( IS_ESTABLISHING ) { status_switch( prev_conn, ESTABLISHED ); return 1; } /* data or ack packets */ if( IS_DATA_FLOW ) { if( REBUILD ) established_packet ( CURRENT_CONN, Desc ); } /* first FIN sent */ if( IS_FIN_WAIT_1 ) { status_switch( prev_conn, FIN_WAIT_1 ); CURRENT_CONN->closer = Desc->side; return 1; } /* ACK of first FIN sent */ if( IS_FIN_WAIT_2__CLOSE_WAIT ) { status_switch( prev_conn, FIN_WAIT_2__CLOSE_WAIT ); return 1; } /* second FIN sent */ if( IS_TIME_WAIT__LAST_ACK ) { status_switch( prev_conn, TIME_WAIT__LAST_ACK ); return 1; } /* LAST-ACK sent */ if( IS_CLOSING ) { status_switch( prev_conn, CLOSED ); return 1; } /* RST sent */ if( IS_RESET ) { status_switch( prev_conn, RESET ); return 1; } /* nice work :^) */ } tcpick-0.2.1/src/colors.c0000644000175100017510000000211710165254732012154 00000000000000/* snip code for the terminal colors is taken from http://linuxgazette.net/issue65/padala.html Copyright (c)2001, Pradeep Padala. Copying license http://www.linuxgazette.com/copying.html Published in Issue 65 of Linux Gazette, April 2001 Note: Francesco Stablum has modified the code on 15/01/04 to take it useful for my program (tcpick) released under the GPL license. */ #include "tcpick.h" #include "extern.h" void textcolor(FILE * out, int attr, int fg, int bg) { char command[13]; /* Command is the control command to the terminal */ sprintf(command, "%c[%d;%dm", 0x1B, attr, fg + 30); fprintf(out,"%s", command); } void resetcolor(FILE * out) { /* works on gnome-terminal, xterm and rxvt */ fprintf(out,"\x1b[0;0m"); } void color( int attr, int fg, FILE * out, char *fmt, ... ) { #define COLOR_CONDITION ( ( out == stdout || out == stderr ) && flags.color ) va_list list; if( COLOR_CONDITION ) textcolor ( out, attr, fg, GREEN ); va_start ( list, fmt ); vfprintf ( out, fmt, list ); va_end ( list ); if( COLOR_CONDITION ) resetcolor(out); } tcpick-0.2.1/src/time.c0000644000175100017510000000447110170074430011605 00000000000000/* * time.c -- manages timestamps * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ #include "tcpick.h" #include "extern.h" char * time_ascii(char * ret) { struct timeval *tp; struct timezone *tzp; struct tm * brokentime; if(flags.displaytime == NOTHING_TIME) goto retNULL; tp = (struct timeval * ) S_malloc( sizeof(struct timeval) ); tzp = (struct timezone * ) S_malloc( sizeof(struct timezone) ); memset(tp, 0, sizeof(struct timeval)); memset(tzp, 0, sizeof(struct timeval)); if(gettimeofday(tp, tzp)) { perror("gettimeofday returned not 0!"); goto retNULL; } else { brokentime = localtime(&(tp->tv_sec)); switch (flags.displaytime) { case ONLYTIME: sprintf(ret,"%2.2d:%2.2d:%2.2d.%6.6d", brokentime->tm_hour, brokentime->tm_min, brokentime->tm_sec, tp->tv_usec ); break; case TIMEDATE: sprintf(ret, "%2.2d-%2.2d-%2.2d " /* date */ "%2.2d:%2.2d:%2.2d.%6.6d", /* time */ /* date */ brokentime->tm_mday, brokentime->tm_mon + 1, brokentime->tm_year > 100 ? brokentime->tm_year - 100 : brokentime->tm_year, /* time */ brokentime->tm_hour, brokentime->tm_min, brokentime->tm_sec, tp->tv_usec ); break; default: #ifdef TCPICK_DEBUG suicide("time_ascii", "unimplemented feature required."); #endif goto retNULL; } } S_free ( tp ); S_free ( tzp ); return ret; retNULL: sprintf(ret,""); return NULL; } tcpick-0.2.1/src/timer.c0000644000175100017510000000562710173176762012011 00000000000000/* * timer.c -- functions and callbacks for the * timer managed by SIGALRM * * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004, 2005 Francesco Stablum * Licensed under the GPL * */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" #define CURRENT_CONN (prev_conn->next) void set_timer() { #define TIMER_ERR_MSG err( "unable to set timer properly.\n" \ "\t-X option and EXPIRED status will be disabled" ) #ifdef SIGALRM extern void sigalrm_callback(int); # if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined (TEST_BSD) /* BSD stuff*/ pid_t pid; pid = getpid(); if (fork() == 0) { /* child process */ for(;;) { sleep(1); if( kill(pid, SIGALRM) == -1) { if( errno == ESRCH) _exit(EXIT_SUCCESS); else sorry("set_timer", "kill(%d, SIGALRM) returned -1"); } } } # else # ifdef HAVE_SETITIMER /* Every second will be called the function that checks if there are * expired connections. */ { struct itimerval * expired_timer = (struct itimerval *) malloc(sizeof(struct itimerval)); expired_timer->it_interval.tv_sec=1; expired_timer->it_interval.tv_usec=1; expired_timer->it_value.tv_sec=1; expired_timer->it_value.tv_usec=1; if ( setitimer( ITIMER_REAL, expired_timer, NULL ) == -1 ) { sorry("main", "setitimer"); TIMER_ERR_MSG ; } } # else TIMER_ERR_MSG ; # endif /* HAVE_SETITIMER */ # endif /* BSD stuff */ signal_setup (SIGALRM, sigalrm_callback); #else TIMER_ERR_MSG ; #endif /* SIGALRM */ } void check_expired() /* called by sigalrm_callback or got_packet. this is the engine to search expired connections (delete only 1) */ { register struct CONN * prev_conn; time_t now; now = time(NULL); prev_conn = first_conn; while ( CURRENT_CONN ) { if (now - CURRENT_CONN->lasttime > flags.timeout) { status_switch( prev_conn, EXPIRED ); prev_conn = first_conn; continue; } prev_conn = prev_conn->next; } } void sigalrm_callback(int sig_type) { if(expired_flag == CHECK_LISTENING) { /* we are listening to the socket in the blocking mode now */ check_expired(); } else { expired_flag = CHECK_GOTPACKET; } } tcpick-0.2.1/src/timer.h0000644000175100017510000000174510171512277012004 00000000000000/* * timer.h -- header for timer.c * * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004, 2005 Francesco Stablum * Licensed under the GPL * */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ enum EXPIRED_FLAG { CHECK_NOT, CHECK_LISTENING, CHECK_GOTPACKET }; tcpick-0.2.1/src/debug.c0000644000175100017510000000251210165254732011740 00000000000000/* * debug.c -- debug functions * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ #include "tcpick.h" void print_conn_chain (struct CONN * f) { while (f) { printf ("%x->",f); if (f == f->next) { printf ("inf\n"); return; } f = f->next; } printf("NULL\n"); return; } int print_fragment_chain(struct FRAGMENT * f) { while (f) { printf ("%x(%i,%i)->",f,f->off,f->len); if (f == f->next) { printf ("inf\n"); return 1; } f = f->next; } printf("NULL\n"); return 0; } tcpick-0.2.1/src/fragments.c0000644000175100017510000001207610165273266012651 00000000000000/* * fragments.c -- manages unacknowledged data * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * Explanation of this code (fragments.c) * ====================================== * * The stream of data of the tcp connection will be saved on * the file, but we know that tcp connection aren't datagram-oriented, * but stream-oriented! This means we *must* rebuild the disordered * flow. The problem is: we cannot store entire tcp connections in * memory! This is simply crazy! What if somebody is downloading cd * iso images, or dvd films! They will surely be corrupted. * Solution: write the rebuilded part of tcp flow in the file when * there are no missing pieces; so we will be able to store in memory * a linked list that reorders the tcp data flow and then, when data * are acknowledged by a "ack" packet, these data will be written to * the output file. * * Phase 1: * Picking up the packets containing data from the interface. * * Packets containing data fragments are stored into the linked list * conn_ptr->unack, managed by the insfr(...) function * These data are not yet acknowledged with the "ack" * packet. Duplicates are discarded and the flow will be completely * rebuilt. * * Phase 2: * Acks are arriving! * * When a "ack" packet arrives, the function flush_ack(...) writes the * acknowledged fragments to the output file, and deleletes them from * the linked list. */ #include "tcpick.h" #include "extern.h" #define MATCH_OFF(fr, oth) fr->off + fr->len == oth->off #define ATTACH_FR(prev, this){ \ \ this->next = prev->next; \ prev->next = this; \ \ if (MATCH_OFF(this, prev->next)) \ this->flag = CONTINUE; \ else \ this->flag = BREAK; \ } #define FREE_FR(fr) S_free( fr->payload ); S_free( fr ); #define DELETE_FIRST_FR(list) { \ struct FRAGMENT * tmp; \ tmp = * list; \ * list = ( * list )->next; \ FREE_FR (tmp) \ } __inline__ int addfr( struct FRAGMENT ** first, int wlen, u_int32_t data_off, u_char * payload, int payload_len ) /* called by established_packet(). * Insert and reorder data fragments in a linked-list. * Duplicates are discarded. * * return values: * 0: fragment refused * 1: fragment accepted in the linked-list */ { struct FRAGMENT * new; struct FRAGMENT * curr; if ( data_off >= wlen ) { /* allocate and build the fragment */ new = ( struct FRAGMENT * ) S_calloc ( 1, sizeof( struct FRAGMENT )); new->payload = ( u_char * ) S_calloc( 1, payload_len ); new->off = data_off; memcpy( new->payload, payload, payload_len ); new->len = payload_len; /* now insert the fragment in the flagged linked list */ /* linked list was empty */ if (! * first ) { * first = new; (* first)->next = NULL; return 1; } /* replace first */ if ( (* first)->off > new->off) { new->next = * first; * first = new; return 1; } curr = * first; while ( curr ) { if( curr->flag == BREAK && MATCH_OFF(curr, new) ) { /* the new data fragment is exactly next to curr */ ATTACH_FR( curr, new ); return 1; } else if ( curr->next ) { if( curr->next->off > new->off ) { /* the new data fragment is _not_ exactly next to curr, but it must be there because the next fragment has a bigger offset */ ATTACH_FR( curr, new ); return 1; } } else { /* it is the last */ curr->next = new; return 1; } curr = curr->next; } return 0; } } __inline__ int flush_ack ( struct HOST_DESC * desc, struct CONN * conn_ptr, int ack_num ) /* called by established_packet * when a "ack" packet comes to the network device, * data that are unacknowledged will be acknowledged and immediatly * sent to the write engine wrebuild */ { #define LIST (desc->unack) while( LIST && LIST->off <= ack_num ) { flowflush( conn_ptr, desc->oth, LIST->payload, LIST->len ); debug("wrote off=%i wlen=%i len=%i ack=%i\n", LIST->off, desc->wlen, LIST->len, ack_num); desc->wlen += LIST->len; DELETE_FIRST_FR ( & LIST ); } } tcpick-0.2.1/src/conn.h0000644000175100017510000000334110165254732011615 00000000000000/* * conn.h -- enums and structs that describe a connection: * enum PART, struct CONN, struct HOST_DESC and enum STATUS * * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ enum PART /* enum PART describes the side of a connection */ { NOTHING = 0, CLIENT, SERVER, BOTH }; struct HOST_DESC { /* HOST_DESC describes the client or server part of a tcp session */ u_int16_t port; struct in_addr ip; u_int32_t sip; /* why have I called them SIP and not SIN? well, SIP means Sequence Initial Pointer that is exactly the SIN plus one */ FILE * file; /* NULL means closed */ char * filename; char * lockfilename; enum PART side; int wlen; struct FRAGMENT * unack; struct HOST_DESC * oth; }; enum STATUS { /* STATUS describes the status of a tcp session */ NIHL = 0, SYN_SENT, SYN_RECEIVED, ESTABLISHED, FIN_WAIT_1, FIN_WAIT_2__CLOSE_WAIT, TIME_WAIT__LAST_ACK, LAST_ACK, CLOSED, RESET, EXPIRED }; struct CONN /* the struct CONN describes a tcp connection */ { enum STATUS status; FILE *both_file; /* FIXME: wtf??? */ int closer; /* when a connection is int open state this must be set to 0 when the client has sent the closing FIN, then closer=1 when it is the server closer=2 */ int num; /* the number of this connection (useful for calculate the color tracked) */ struct HOST_DESC client; struct HOST_DESC server; struct CONN * next; /* pointer for the next ring of the chain */ time_t lasttime; /* time of last packet in connection */ }; struct ip * ip_last_header; /* FIXME: check */ struct tcphdr * tcp_last_header; tcpick-0.2.1/src/ip.h0000644000175100017510000001773210165254732011301 00000000000000/* Copyright (C) 1991,92,93,95,96,97,98,99,2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* * WARNING: THIS VERSION OF netinet/ip.h HAS BEEN MODIFIED BY DUSKDRUID * run a "diff" to see differences */ // #include <-- should I uncomment this??? #ifndef __NETINET_IP_H #define __NETINET_IP_H 1 #include #include #include __BEGIN_DECLS struct timestamp { u_int8_t len; u_int8_t ptr; #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int flags:4; unsigned int overflow:4; #elif __BYTE_ORDER == __BIG_ENDIAN unsigned int overflow:4; unsigned int flags:4; #else # error "Please fix " #endif u_int32_t data[9]; }; struct iphdr { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int ihl:4; unsigned int version:4; #elif __BYTE_ORDER == __BIG_ENDIAN unsigned int version:4; unsigned int ihl:4; #else # error "Please fix " #endif u_int8_t tos; u_int16_t tot_len; u_int16_t id; u_int16_t frag_off; u_int8_t ttl; u_int8_t protocol; u_int16_t check; u_int32_t saddr; u_int32_t daddr; /*The options start here. */ }; #ifdef __USE_BSD /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ip.h 8.1 (Berkeley) 6/10/93 */ /* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. */ /* * Structure of an internet header, naked of options. */ struct ip { #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int ip_hl:4; /* header length */ unsigned int ip_v:4; /* version */ #endif #if __BYTE_ORDER == __BIG_ENDIAN unsigned int ip_v:4; /* version */ unsigned int ip_hl:4; /* header length */ #endif u_int8_t ip_tos; /* type of service */ u_short ip_len; /* total length */ u_short ip_id; /* identification */ u_short ip_off; /* fragment offset field */ #define IP_RF 0x8000 /* reserved fragment flag */ #define IP_DF 0x4000 /* dont fragment flag */ #define IP_MF 0x2000 /* more fragments flag */ #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ u_int8_t ip_ttl; /* time to live */ u_int8_t ip_p; /* protocol */ u_short ip_sum; /* checksum */ struct in_addr ip_src, ip_dst; /* source and dest address */ }; /* * Time stamp option structure. */ struct ip_timestamp { u_int8_t ipt_code; /* IPOPT_TS */ u_int8_t ipt_len; /* size of structure (variable) */ u_int8_t ipt_ptr; /* index of current entry */ #if __BYTE_ORDER == __LITTLE_ENDIAN unsigned int ipt_flg:4; /* flags, see below */ unsigned int ipt_oflw:4; /* overflow counter */ #endif #if __BYTE_ORDER == __BIG_ENDIAN unsigned int ipt_oflw:4; /* overflow counter */ unsigned int ipt_flg:4; /* flags, see below */ #endif u_int32_t data[9]; }; #endif /* __USE_BSD */ #define IPVERSION 4 /* IP version number */ #define IP_MAXPACKET 65535 /* maximum packet size */ /* * Definitions for IP type of service (ip_tos) */ #define IPTOS_TOS_MASK 0x1E #define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) #define IPTOS_LOWDELAY 0x10 #define IPTOS_THROUGHPUT 0x08 #define IPTOS_RELIABILITY 0x04 #define IPTOS_LOWCOST 0x02 #define IPTOS_MINCOST IPTOS_LOWCOST /* * Definitions for IP precedence (also in ip_tos) (hopefully unused) */ #define IPTOS_PREC_MASK 0xe0 #define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) #define IPTOS_PREC_NETCONTROL 0xe0 #define IPTOS_PREC_INTERNETCONTROL 0xc0 #define IPTOS_PREC_CRITIC_ECP 0xa0 #define IPTOS_PREC_FLASHOVERRIDE 0x80 #define IPTOS_PREC_FLASH 0x60 #define IPTOS_PREC_IMMEDIATE 0x40 #define IPTOS_PREC_PRIORITY 0x20 #define IPTOS_PREC_ROUTINE 0x00 /* * Definitions for options. */ #define IPOPT_COPY 0x80 #define IPOPT_CLASS_MASK 0x60 #define IPOPT_NUMBER_MASK 0x1f #define IPOPT_COPIED(o) ((o) & IPOPT_COPY) #define IPOPT_CLASS(o) ((o) & IPOPT_CLASS_MASK) #define IPOPT_NUMBER(o) ((o) & IPOPT_NUMBER_MASK) #define IPOPT_CONTROL 0x00 #define IPOPT_RESERVED1 0x20 #define IPOPT_DEBMEAS 0x40 #define IPOPT_MEASUREMENT IPOPT_DEBMEAS #define IPOPT_RESERVED2 0x60 #define IPOPT_EOL 0 /* end of option list */ #define IPOPT_END IPOPT_EOL #define IPOPT_NOP 1 /* no operation */ #define IPOPT_NOOP IPOPT_NOP #define IPOPT_RR 7 /* record packet route */ #define IPOPT_TS 68 /* timestamp */ #define IPOPT_TIMESTAMP IPOPT_TS #define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ #define IPOPT_SEC IPOPT_SECURITY #define IPOPT_LSRR 131 /* loose source route */ #define IPOPT_SATID 136 /* satnet id */ #define IPOPT_SID IPOPT_SATID #define IPOPT_SSRR 137 /* strict source route */ #define IPOPT_RA 148 /* router alert */ /* * Offsets to fields in options other than EOL and NOP. */ #define IPOPT_OPTVAL 0 /* option ID */ #define IPOPT_OLEN 1 /* option length */ #define IPOPT_OFFSET 2 /* offset within option */ #define IPOPT_MINOFF 4 /* min value of above */ #define MAX_IPOPTLEN 40 /* flag bits for ipt_flg */ #define IPOPT_TS_TSONLY 0 /* timestamps only */ #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ #define IPOPT_TS_PRESPEC 3 /* specified modules only */ /* bits for security (not byte swapped) */ #define IPOPT_SECUR_UNCLASS 0x0000 #define IPOPT_SECUR_CONFID 0xf135 #define IPOPT_SECUR_EFTO 0x789a #define IPOPT_SECUR_MMMM 0xbc4d #define IPOPT_SECUR_RESTR 0xaf13 #define IPOPT_SECUR_SECRET 0xd788 #define IPOPT_SECUR_TOPSECRET 0x6bc5 /* * Internet implementation parameters. */ #define MAXTTL 255 /* maximum time to live (seconds) */ #define IPDEFTTL 64 /* default ttl, from RFC 1340 */ #define IPFRAGTTL 60 /* time to live for frags, slowhz */ #define IPTTLDEC 1 /* subtracted when forwarding */ #define IP_MSS 576 /* default maximum segment size */ __END_DECLS #endif /* netinet/ip.h */ tcpick-0.2.1/src/tcp.h0000644000175100017510000000516310165254732011452 00000000000000/* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tcp.h 8.1 (Berkeley) 6/10/93 * */ /* Modified by Francesco Stablum (duskdruid:despammed.com) */ // #include <-- should I decomment this??? struct tcphdr { u_int16_t source; u_int16_t dest; u_int32_t seq; u_int32_t ack_seq; # if __BYTE_ORDER == __LITTLE_ENDIAN u_int16_t res1:4; u_int16_t doff:4; u_int16_t fin:1; u_int16_t syn:1; u_int16_t rst:1; u_int16_t psh:1; u_int16_t ack:1; u_int16_t urg:1; u_int16_t res2:2; # elif __BYTE_ORDER == __BIG_ENDIAN u_int16_t doff:4; u_int16_t res1:4; u_int16_t res2:2; u_int16_t urg:1; u_int16_t ack:1; u_int16_t psh:1; u_int16_t rst:1; u_int16_t syn:1; u_int16_t fin:1; # else # error "Adjust your defines" # endif u_int16_t window; u_int16_t check; u_int16_t urg_ptr; }; enum { TCP_ESTABLISHED = 1, TCP_SYN_SENT, TCP_SYN_RECV, TCP_FIN_WAIT1, TCP_FIN_WAIT2, TCP_TIME_WAIT, TCP_CLOSE, TCP_CLOSE_WAIT, TCP_LAST_ACK, TCP_LISTEN, TCP_CLOSING /* now a valid state */ }; tcpick-0.2.1/src/udp.h0000644000175100017510000000541610165254732011455 00000000000000/* Copyright (C) 1991, 92, 93, 95, 96, 97 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* * Copyright (C) 1982, 1986 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* Modified by Francesco Stablum (duskdruid:despammed.com) */ #ifndef __NETINET_UDP_H #define __NETINET_UDP_H 1 /* UDP header as specified by RFC 768, August 1980. */ struct udphdr { u_int16_t source; u_int16_t dest; u_int16_t len; u_int16_t check; }; #endif #define SOL_UDP 17 /* sockopt level for UDP */ #endif /* netinet/udp.h */ tcpick-0.2.1/src/tcpick.h0000644000175100017510000000343110171512260012123 00000000000000/* * tcpick.h -- main header * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ #include "config.h" #include #include #include #ifdef HAVE_SIGNAL_H # include #endif #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STDARG_H # include #endif #ifdef HAVE_ERRNO_H # include #endif #ifdef HAVE_GETOPT_H # include #endif #ifdef HAVE_SYS_SOCKET_H # include #endif #ifdef HAVE_NETINET_IN_H # include #endif #ifdef HAVE_ARPA_INET_H # include #endif #ifdef HAVE_NET_IF_H # include #endif #ifdef HAVE_NET_BPF_H # include #else # ifdef HAVE_PCAP_BPF_H # include # endif /* HAVE_PCAP_BPF_H */ #endif /* HAVE_NET_BPF_H */ #ifdef HAVE_NETINET_IN_SYSTM_H #include #endif #ifdef HAVE_NETINET_IF_ETHER_H # include #endif #ifdef HAVE_NETINET_IP_H # include #else # include "ip.h" #endif /* HAVE_NETINET_IP_H */ #ifdef HAVE_NETINET_UDP_H # include #else # include "udp.h" #endif /* HAVE_NETINET_UDP_H */ #include #ifdef HAVE_PCAP_PCAP_H # include #else # ifdef HAVE_PCAP_H # include # endif /* HAVE_PCAP_H */ #endif /* HAVE_PCAP_PCAP_H */ #ifdef HAVE_TIME_H # include #endif #ifdef HAVE_SYS_TIME_H # include #endif #ifdef HAVE_SYS_STAT_H # include #endif #include "def.h" #include "tcp.h" #include "fragment.h" #include "conn.h" #include "text.h" #include "colors.h" #include "flags.h" #include "lookup.h" #include "timer.h" tcpick-0.2.1/src/flags.h0000644000175100017510000000376510172501520011752 00000000000000/* * flags.h -- the struct for the command-line flags of the program * * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * Copyright (C) 2003, 2004 Francesco Stablum (duskdruid) * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ enum FLAVOUR { RAW = 'R', PRINTABLE = 'P', HEX = 'H', HEX_NON_PRINT = 'U', HEX_DUMP = 'x', HEX_ASCII_DUMP = 'X' , SILENT = 's', OTHER /* i.e. packet and status banners */ }; enum DISPLAYTIME { NOTHING_TIME = 0, /* default */ ONLYTIME, TIMEDATE, ONLYDATE /* not implemented */ }; struct FLAGS { int verbosity; int file; int filenaming; int dirs; int maxconns; /* FIXME: should be developed; in the sense of SYN_SENT ?? */ int trackonly; int trackonly_first; int exitpackets; int exitclosed; int exitclosed_first; enum DISPLAYTIME displaytime; int header; int separator; int displayoffsets; int notpromisc; int notstatus; enum FLAVOUR display_payload; struct { enum FLAVOUR flavour; enum PART side; } display_rebuild; struct { enum FLAVOUR flavour; enum {SEPARATE = 0, UNIQUE} type; int banner; enum PART side; } writer; int helpandquit; int versionandquit; int lookup; int numericalports; int color; int colortrack; int timeout; }; tcpick-0.2.1/src/fragment.h0000644000175100017510000000065310165254732012466 00000000000000/* * fragment.h -- the fragment_t linked-list: * used to store unacknowledged data * * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ enum fr_flag { BREAK = 0, CONTINUE, }; struct FRAGMENT { int off; u_char * payload; int len; enum fr_flag flag; struct FRAGMENT * next; }; tcpick-0.2.1/src/globals.h0000644000175100017510000000170510171512342012274 00000000000000/* * globals.h -- global variables * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ struct ip *ippacket; struct tcphdr *tcppacket; struct udphdr *udppacket; u_char *payload; int payload_len = 0; struct FLAGS flags; int count_packets = 0; int count_conns; /* number of active connections */ int count_opened; char *dl_str = NULL; char *dev = NULL; /* name of the device to use */ char *readfile = NULL; /* name of the file to read */ char *net = NULL; /* dot notation of the network address */ char *mask = NULL; /* dot notation of the network mask */ char *filter = NULL; int ret = 0; /* return code*/ int datalink_id = 0; /* datalink id */ int iplen = 0; int datalink_size = 0; int ip_size = 0; int tcp_size = 0; struct CONN * first_conn; struct CONN * last_conn; enum EXPIRED_FLAG expired_flag; tcpick-0.2.1/src/extern.h0000644000175100017510000000141610171512351012155 00000000000000/* * extern.h -- external variables * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* FIXME: it seems written by a ogre */ extern struct ip *ippacket; extern struct tcphdr *tcppacket; extern struct udphdr *udppacket; extern u_char *payload; extern int payload_len; extern struct FLAGS flags; extern int count_packets; extern int count_conns; extern int count_opened; extern char * dev; extern char * readfile; extern char * filter; extern int iplen; extern int datalink_size; extern int ip_size; extern int tcp_size; /* extern int data_trasl; */ extern struct CONN * first_conn; extern struct CONN * last_conn; extern enum EXPIRED_FLAG expired_flag; tcpick-0.2.1/src/text.h0000644000175100017510000000443210165254732011646 00000000000000/* * text.h -- text definitions * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ #define AUTHOR "Francesco Stablum `duskdruid' < "PACKAGE_BUGREPORT">" #define EXAMPLEARGS "-i ppp0 -yP -C -h \"not port 22\"" #define TERMS \ " tcpick is released under the GPL license\n" \ " and comes with ABSOLUTELY NO WARRANTY.\n" \ " This is free software, and you are welcome to redistribute it\n" \ " under certain conditions; for details read COPYING file.\n" #define OPTIONS \ "tcpick [ -a ] [ -n ] [ -C ] \n"\ " [ -i interface ] \n"\ " [ -yH ] [ -yP ] [ -yR ] [ -yU ] [ -yx ] [ -yX ] \n"\ " [ -bH ] [ -bP ] [ -bR ] [ -bU ] [ -bx ] [ -bX ] \n"\ " [ -wH ] [ -wP ] [ -wR ] [ -wU ] \n"\ " [ -v [ verbosity ]] \n"\ " [ -S ] [ -h ] [ --separator ] \n"\ " [ \"filter\" ] [ -r file ] \n"\ " [ --help ] [ --version ] \n" #define MAILING_LIST \ "mailing-list address:\n" \ "\t\n" \ "Archive:\n" \ "\thttp://sourceforge.net/mailarchive/forum.php?forum=tcpick-project\n" \ "Subscribe:\n" \ "\thttp://lists.sourceforge.net/lists/listinfo/tcpick-project\n" \ #define BUGREPORT \ "Please send bugreports and patches to the following mailing-list:\n" \ MAILING_LIST \ "don't forget to specify OS, kernel version and tcpick version!\n" #define USAGE \ "\t" PACKAGE_STRING " is a sniffer tool written using libpcap.\n" \ "tcpick can keep track of tcp connection, sniff all tcp streams\n" \ "and store them to files, to show you what is happening on a network interface\n\n" \ "Usage: " OPTIONS \ "Example: tcpick " EXAMPLEARGS "\n\n" \ "for an updated list of options see tcpick(1) manpage\n" \ "to see version and license informations try `tcpick --version'\n" \ "or read the `COPYING' file, released with the package\n\n" \ "tcpick homepage: http://tcpick.sourceforge.net\n\n" \ MAILING_LIST \ "thank you for using tcpick!\n" tcpick-0.2.1/src/colors.h0000644000175100017510000000347410165254732012170 00000000000000/* * colors.h -- color codes definitions * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ #define RESET 0 #define BRIGHT 1 #define DIM 2 #define UNDERLINE 3 #define BLINK 4 #define REVERSE 7 #define HIDDEN 8 /* black and white should NOT be used because of black or white backgrounds of terminals */ //#define BLACK 0 #define RED 1 #define GREEN 2 #define YELLOW 3 #define BLUE 4 #define MAGENTA 5 #define CYAN 6 //#define WHITE 7 #define _STATUS_COLOR(s) BRIGHT, s == ESTABLISHED ? GREEN : \ s == CLOSED ? RED : \ s == RESET ? RED : \ s == EXPIRED ? BLUE : \ YELLOW #define c_WELCOME BRIGHT, CYAN #define c_COMPILED BRIGHT, RED #define c_INTERFACE BRIGHT, GREEN #define c_SETTING BRIGHT, MAGENTA #define c_DONE BRIGHT, MAGENTA #define c_USAGE BRIGHT, BLUE #define c_ERR BRIGHT, RED #define c_NUMBERING BRIGHT, MAGENTA #define c_CLIENTNAME_STATUS BRIGHT, GREEN #define c_SERVERNAME_STATUS BRIGHT, CYAN #define c_SERVICE BRIGHT, BLUE #define c_TIME BRIGHT, CYAN #define c_CLIENTNAME_HEADER BRIGHT, GREEN #define c_SERVERNAME_HEADER RESET , CYAN #define c_SERVICE_HEADER BRIGHT, BLUE #define c_HEXOFF BRIGHT, CYAN #define c_HEXOFF0 BRIGHT, BLUE #define c_NONPRINT RESET, RED #define c_FLAGS BRIGHT, RED #define c_DIRECTION BRIGHT, MAGENTA #define c_SEPARATOR RESET, GREEN #define c_STATISTICS BRIGHT, CYAN tcpick-0.2.1/src/def.h0000644000175100017510000000256710165272357011432 00000000000000/* * def.h -- definitions * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* Do you wanna debug tcpick? Oh, thank you very much :^) * Uncomment the following line to add * _really_ noisy debug messages */ //#define TCPICK_DEBUG 1 #define TCPICK_NAME "tcpick" #define MAX_FILENAME_LENGHT 512 #define MAXCONN 16384 #define MAXMALLOC 16777216 #define S_calloc calloc #define S_malloc malloc #define S_free free #define SEPARATOR "----------------" #define REBUILD \ ( ( flags.display_rebuild.flavour != SILENT ) || \ ( flags.writer.flavour != SILENT ) ) /* FIXME: mumble mumble */ #define DISPLAY_NL \ ( (( flags.header ) || ( flags.separator ) || (! flags.notpromisc )) && ( out == stdout ) ) /* lisp? */ #define TCPICK_SUCCESS EXIT_SUCCESS #define TCPICK_FAILURE EXIT_FAILURE #define SILENCE (flags.verbosity == 0) /* FIXME MAY WRONG!! */ #define WRITE_SOME_BANNER ((flags.writer.flavour == OTHER) || (flags.writer.headers == 1) || (flags.writer.headers == 1)) #define WFLAV (flags.writer.flavour) #define ERR_FLAV(c) \ err( "Unrecognized option: %c\n", c ); #ifndef MAX # define MAX(x,y) (((x)>(y))?(x):(y)) #endif #ifndef TCPICK_DEBUG # define debug(fmt, ...) /* see msg.c for #ifdef TCPICK_DEBUG */ #endif /* TCPICK_DEBUG */ #define IP_SIZE 20 tcpick-0.2.1/src/lookup.h0000644000175100017510000000221610165254732012171 00000000000000/* * lookup.h -- header of host lookup engine * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at you option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, * USA. */ struct _l_node /* the node/leaf of the tree */ { /* tree stuff */ struct _l_node * parent; struct _l_node * left; char left_h; struct _l_node * right; char right_h; /* data */ char * name; struct in_addr ip; }; tcpick-0.2.1/src/quit.c0000644000175100017510000000410410173174553011634 00000000000000/* * quit.c -- code for program exiting * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" void fault( char * func, char * desc ) /* function for error exiting by an _external_ problem (calls perror) */ { char * msg; char len; err( BUGREPORT ); color( c_ERR, stderr, "FAULT:\t" ); len = strlen(func) + strlen(desc) + 16; msg = S_malloc( len ); sprintf( msg, "[%s] %s", func, desc ); perror( msg ); exit(TCPICK_FAILURE); } void suicide( char * func, char * fmt, ... ) /* called for internal problems, or user errors */ { va_list list; color( c_ERR, stderr, "SUICIDE: " ); fprintf( stderr, "[%s] ", func ); va_start (list, fmt); vfprintf (stderr, fmt, list); va_end (list); fprintf (stderr, "\n"); exit(TCPICK_FAILURE); } void print_statistics() { msg( 1, c_STATISTICS, "\n%d packets captured", count_packets); msg( 1, c_STATISTICS, "%d tcp sessions detected", count_conns); } void cleanup() /* cleanup function called by exit() for normal process termination (set by atexit) */ { print_statistics(); } void exit_signal(int sig_type) { debug("Signal type: %s", sys_siglist[sig_type]); #ifdef HAVE_ATEXIT exit (EXIT_SUCCESS); #else print_statistics() exit (EXIT_SUCCESS); #endif } tcpick-0.2.1/src/msg.c0000644000175100017510000000426710173175323011446 00000000000000/* * exit.c -- code for program exiting * Part of the tcpick project * * Author: Francesco Stablum * * Copyright (C) 2003, 2004 Francesco Stablum * Licensed under the GPL * */ /* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "tcpick.h" #include "extern.h" #ifdef TCPICK_DEBUG void debug( char *fmt, ... ) /* this function has been provided by ShackaN thank you very much :-) */ { va_list list; printf ("debug: "); va_start (list, fmt); vprintf (fmt, list); va_end (list); printf ("\n"); } #else # define debug(fmt, ...) #endif /* TCPICK_DEBUG */ void err( char *fmt, ... ) { va_list list; color( c_ERR, stderr, "ERROR: " ); va_start( list, fmt ); vfprintf( stderr, fmt, list ); va_end ( list ); fprintf ( stderr, "\n" ); } void msg( int v, int attr, int fg, char *fmt, ... ) { va_list list; if( flags.verbosity < v ) return; if( flags.color ) textcolor ( stdout, attr, fg, GREEN ); va_start ( list, fmt ); vfprintf ( stdout, fmt, list ); va_end ( list ); if( flags.color ) resetcolor( stdout ); fprintf( stdout, "\n" ); } void sorry ( char * func, char * desc ) /* function for error by an _external_ problem (calls perror) this is like fault(..) but doesn't exit. The sorry() function is used for light problems that don't compromise program execution. */ { char * msg; char len; color( c_ERR, stderr, "SORRY:\t" ); len = strlen(func) + strlen(desc) + 16; msg = S_malloc( len ); sprintf( msg, "[%s] %s", func, desc ); perror( msg ); free(msg); } tcpick-0.2.1/README0000644000175100017510000000510510173301003010557 00000000000000This is README, produced by makeinfo version 4.7 from README.texinfo. tcpick is a textmode sniffer libpcap-based that can track tcp streams and saves the captured data in files or displays them in the terminal. Useful for picking files in a passive way. It can store all connections data in different files, or it can display all the stream on the terminal, when the connection is closed. There are useful display modes like hexdump, hexdump + ascii, only printable charachters, raw mode and so on. Available a color mode too, helpful to read better the output of the program. Actually it can handle eth and ppp interfaces. It is useful to keep track of what users of a network are doing, and is usable with textmode tools like grep, sed, awk. For example, this command displays all HTTP GET requests: # tcpick -i ppp0 -yP | grep GET Please read the manpage for further details. home page ********* http://tcpick.sourceforge.net other files to read: ******************** * AUTHORS * OPTIONS * KNOWN-BUGS * INSTALL * TODO * ChangeLog * COPYING * public_key.asc (key to check package signatures) * public_key_message.txt contribute ********** tcpick project needs somebody suggesting me bugs and new features! If you want to contribute sending patches, finding bugs, compilation errors, platform-specific incompatibilies you are invited to the tcpick mailing-list: * email address tcpick-project@lists.sourceforge.net * Archive http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project * Subscribe http://lists.sourceforge.net/lists/listinfo/tcpick-project I'm sorry for my bad english thanks Francesco Stablum "duskdruid" Little disclaimer and license: ****************************** This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. For other details on GNU/GPL license read COPYING file Copyright (C) 2003, 2004 Francesco Stablum "duskdruid" tcpick-0.2.1/configure.in0000644000175100017510000000277210173300563012231 00000000000000# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. BUILD_N=1 define([__VERSION], [0.2.1]) # if -test comment download.inc generation on package.sh AC_PREREQ(2.59) AC_INIT([tcpick],[__VERSION],[duskdruid@despammed.com ]) AM_INIT_AUTOMAKE(tcpick, [__VERSION]) # AM_CONFIG_HEADER([src/config.h]) # Checks for programs. 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Check your system clock" >&2;} { (exit 1); exit 1; }; } fi echo "$as_me:$LINENO: result: yes" >&5 echo "${ECHO_T}yes" >&6 test "$program_prefix" != NONE && program_transform_name="s,^,$program_prefix,;$program_transform_name" # Use a double $ so make ignores it. test "$program_suffix" != NONE && program_transform_name="s,\$,$program_suffix,;$program_transform_name" # Double any \ or $. echo might interpret backslashes. # By default was `s,x,x', remove it if useless. cat <<\_ACEOF >conftest.sed s/[\\$]/&&/g;s/;s,x,x,$// _ACEOF program_transform_name=`echo $program_transform_name | sed -f conftest.sed` rm conftest.sed # expand $ac_aux_dir to an absolute path am_aux_dir=`cd $ac_aux_dir && pwd` test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" # Use eval to expand $SHELL if eval "$MISSING --run true"; then am_missing_run="$MISSING --run " else am_missing_run= { echo "$as_me:$LINENO: WARNING: \`missing' script is too old or missing" >&5 echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} fi if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then # We used to keeping the `.' as first argument, in order to # allow $(mkdir_p) to be used without argument. 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PACKAGE=tcpick VERSION=0.2.1 cat >>confdefs.h <<_ACEOF #define PACKAGE "$PACKAGE" _ACEOF cat >>confdefs.h <<_ACEOF #define VERSION "$VERSION" _ACEOF # Some tools Automake needs. ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} install_sh=${install_sh-"$am_aux_dir/install-sh"} # Installed binaries are usually stripped using `strip' when the user # run `make install-strip'. However `strip' might not be the right # tool to use in cross-compilation environments, therefore Automake # will honor the `STRIP' environment variable to overrule this program. if test "$cross_compiling" != no; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_STRIP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then echo "$as_me:$LINENO: result: $STRIP" >&5 echo "${ECHO_T}$STRIP" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":" fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5 echo "${ECHO_T}$ac_ct_STRIP" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi STRIP=$ac_ct_STRIP else STRIP="$ac_cv_prog_STRIP" fi fi INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" # We need awk for the "check" target. The system "awk" is bad on # some platforms. # Always define AMTAR for backward compatibility. AMTAR=${AMTAR-"${am_missing_run}tar"} am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -' # AM_CONFIG_HEADER([src/config.h]) # Checks for programs. ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi CC=$ac_ct_CC else CC="$ac_cv_prog_CC" fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi CC=$ac_ct_CC else CC="$ac_cv_prog_CC" fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else ac_prog_rejected=no as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# != 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" fi fi fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then for ac_prog in cl do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then echo "$as_me:$LINENO: result: $CC" >&5 echo "${ECHO_T}$CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 if test "${ac_cv_prog_ac_ct_CC+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="$ac_prog" echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 echo "${ECHO_T}$ac_ct_CC" >&6 else echo "$as_me:$LINENO: result: no" >&5 echo "${ECHO_T}no" >&6 fi test -n "$ac_ct_CC" && break done CC=$ac_ct_CC fi fi test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&5 echo "$as_me: error: no acceptable C compiler found in \$PATH See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } # Provide some information about the compiler. echo "$as_me:$LINENO:" \ "checking for C compiler version" >&5 ac_compiler=`set X $ac_compile; echo $2` { (eval echo "$as_me:$LINENO: \"$ac_compiler --version &5\"") >&5 (eval $ac_compiler --version &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:$LINENO: \"$ac_compiler -v &5\"") >&5 (eval $ac_compiler -v &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } { (eval echo "$as_me:$LINENO: \"$ac_compiler -V &5\"") >&5 (eval $ac_compiler -V &5) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { ; return 0; } _ACEOF ac_clean_files_save=$ac_clean_files ac_clean_files="$ac_clean_files a.out a.exe b.out" # Try to create an executable without -o first, disregard a.out. # It will help us diagnose broken compilers, and finding out an intuition # of exeext. echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6 ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5 (eval $ac_link_default) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; then # Find the output, starting from the most likely. This scheme is # not robust to junk in `.', hence go to wildcards (a.*) only as a last # resort. # Be careful to initialize this variable, since it used to be cached. # Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile. ac_cv_exeext= # b.out is created by i960 compilers. for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out do test -f "$ac_file" || continue case $ac_file in *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;; conftest.$ac_ext ) # This is the source file. ;; [ab].out ) # We found the default executable, but exeext='' is most # certainly right. break;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` # FIXME: I believe we export ac_cv_exeext for Libtool, # but it would be cool to find out if it's true. Does anybody # maintain Libtool? --akim. export ac_cv_exeext break;; * ) break;; esac done else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 { { echo "$as_me:$LINENO: error: C compiler cannot create executables See \`config.log' for more details." >&5 echo "$as_me: error: C compiler cannot create executables See \`config.log' for more details." >&2;} { (exit 77); exit 77; }; } fi ac_exeext=$ac_cv_exeext echo "$as_me:$LINENO: result: $ac_file" >&5 echo "${ECHO_T}$ac_file" >&6 # Check the compiler produces executables we can run. 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Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi echo "$as_me:$LINENO: result: $CPP" >&5 echo "${ECHO_T}$CPP" >&6 ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Broken: fails on valid input. continue fi rm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6 if test "${ac_cv_prog_egrep+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | (grep -E '(a|b)') >/dev/null 2>&1 then ac_cv_prog_egrep='grep -E' else ac_cv_prog_egrep='egrep' fi fi echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5 echo "${ECHO_T}$ac_cv_prog_egrep" >&6 EGREP=$ac_cv_prog_egrep echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 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((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then : else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_header_stdc=no fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6 if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\_ACEOF #define STDC_HEADERS 1 _ACEOF fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done for ac_header in stdlib.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` if eval "test \"\${$as_ac_Header+set}\" = set"; then echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 else # Is the header compilable? echo "$as_me:$LINENO: checking $ac_header usability" >&5 echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6 # Is the header present? echo "$as_me:$LINENO: checking $ac_header presence" >&5 echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include <$ac_header> _ACEOF if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag ac_cpp_err=$ac_cpp_err$ac_c_werror_flag else ac_cpp_err= fi else ac_cpp_err=yes fi if test -z "$ac_cpp_err"; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6 # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## --------------------------------------- ## ## Report this to duskdruid@despammed.com ## ## --------------------------------------- ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 if eval "test \"\${$as_ac_Header+set}\" = set"; then echo $ECHO_N "(cached) $ECHO_C" >&6 else eval "$as_ac_Header=\$ac_header_preproc" fi echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 fi if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5 echo $ECHO_N "checking for GNU libc compatible malloc... $ECHO_C" >&6 if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_malloc_0_nonnull=no else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #if STDC_HEADERS || HAVE_STDLIB_H # include #else char *malloc (); #endif int main () { exit (malloc (0) ? 0 : 1); ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_malloc_0_nonnull=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_malloc_0_nonnull=no fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi echo "$as_me:$LINENO: result: $ac_cv_func_malloc_0_nonnull" >&5 echo "${ECHO_T}$ac_cv_func_malloc_0_nonnull" >&6 if test $ac_cv_func_malloc_0_nonnull = yes; then cat >>confdefs.h <<\_ACEOF #define HAVE_MALLOC 1 _ACEOF else cat >>confdefs.h <<\_ACEOF #define HAVE_MALLOC 0 _ACEOF case $LIBOBJS in "malloc.$ac_objext" | \ *" malloc.$ac_objext" | \ "malloc.$ac_objext "* | \ *" malloc.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS malloc.$ac_objext" ;; esac cat >>confdefs.h <<\_ACEOF #define malloc rpl_malloc _ACEOF fi echo "$as_me:$LINENO: checking for working memcmp" >&5 echo $ECHO_N "checking for working memcmp... $ECHO_C" >&6 if test "${ac_cv_func_memcmp_working+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if test "$cross_compiling" = yes; then ac_cv_func_memcmp_working=no else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default int main () { /* Some versions of memcmp are not 8-bit clean. */ char c0 = 0x40, c1 = 0x80, c2 = 0x81; if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0) exit (1); /* The Next x86 OpenStep bug shows up only when comparing 16 bytes or more and with at least one buffer not starting on a 4-byte boundary. William Lewis provided this test program. */ { char foo[21]; char bar[21]; int i; for (i = 0; i < 4; i++) { char *a = foo + i; char *b = bar + i; strcpy (a, "--------01111111"); strcpy (b, "--------10000000"); if (memcmp (a, b, 16) >= 0) exit (1); } exit (0); } ; return 0; } _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_func_memcmp_working=yes else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_func_memcmp_working=no fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5 echo "${ECHO_T}$ac_cv_func_memcmp_working" >&6 test $ac_cv_func_memcmp_working = no && case $LIBOBJS in "memcmp.$ac_objext" | \ *" memcmp.$ac_objext" | \ "memcmp.$ac_objext "* | \ *" memcmp.$ac_objext "* ) ;; *) LIBOBJS="$LIBOBJS memcmp.$ac_objext" ;; esac # Checks for header files. echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 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So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || { (exit 1); exit 1; } fi tcpick-0.2.1/AUTHORS0000644000175100017510000000765010173301003010756 00000000000000This is AUTHORS, produced by makeinfo version 4.7 from AUTHORS.texinfo. Francesco Stablum duskdruid:despammed.com ***************************************** Mantainer Artyom Khafizov *************** Bugfixes and memory leak fixes, added RESET and EXPIRED status detection, added a new way to write the stream to files, using directories. Federico Castaneda F_CASTANEDA:crm.com.ar ***************************************** Added basic UDP support Buck Huppmann buckh:pobox.com ***************************** wrote the RESET status detection Saumil Shah *********** has helped me improving tcpick and making it useful to decode application-level data (i.e. http). Gianluigi Spagnuolo, kirash *************************** has tested tcpick under many *BSD systems, helping me to make tcpick more compatible on other systems. He found also the pcap_next bug and a bug on the inet_ntoa return ointer. Kirash is currently helping me with several patches and increasing the tcpick portability, which is really very important. Penelope Fudd ************* Added a patch that allows to process with tcpick a tcpdump output file instead of a live connection, in that way: % tcpdump -n -s 1600 -w /tmp/foo.tcpdump % tcpick -r /tmp/foo.tcpdump mainman ******* helped me to improve the performance of tcpick suggesting me a method of session recognization with hash generated by addresses and ports and a "chained" tracker of structures instead of a block of addresses to structures (i.e. conn_ptr->next_conn). Sebastian Prause **************** added support for DLT_PPP_ETHER datalink type (including pppoe for NetBSD systems). ShackaN ******* wrote a nice dprintf function for debugging purposes :) Gimli ***** Spent a lot of time seeking for a bug I couldn't resolve on a free(). kain **** bug found at pcap_next, that returns NULL on some systems suggested me to change pcap #include directive, because on trustix (and perhaps other linux systems) libpcap are located in a different place (pcap/pcap.h). Ardoino Paolo ************* Suggested me to control memory allocated addresses Robert Scheck ************* suggested me to improve the Makefile with variables. Alberto 'JCN-9000' Varesio: *************************** found that AIX doesn't have getopt_long and getopt.h Davide Benini ************* corrected bug in calling S_calloc with only one argument Packagers ********* Debian ****** Cédric Delfosse `http://packages.debian.org/unstable/net/tcpick/' Maurizio Lemmo `Tannoiser' `http://erlug.linux.it/~tann/tcpick/' Source RPM ********** Paul Drain mantains tcpick as a recompilable source RPM: `ftp://cipherfunk.org/pub/packages/redhat/tcpick/' RPM: **** Mantained by Dag Wieers, with a lot of platforms available: `http://dag.wieers.com/packages/tcpick/' Lou Afonso has compiled version 0.1.20 Testers (read PLATFORMS.old file) ********************************* nextime has spent time compiling tcpick on an impressing number of unix/gnu platforms helping me understanding tcpick [in]compatibilities AdHe5, Alt[O]s, hannibal, Kaioh, Alberto Panu, Maurizio Lemmo `Tannoiser', Alberto 'JCN-9000' Varesio, gap, Kirillov thanks to these people because they spent time testing tcpick on their unix and linux distros sending me the report, that I used to complete `PLATFORMS' file. Thanks ****** Thanks to all people that are using tcpick and are sending me description of problems encountered and to all people here not mentioned that contributed to this software in many ways. Thanks to sourceforge.net that hosts tcpick, available here: `http://sourceforge.net/projects/tcpick/' Thanks to kuht.it, that is currently hosting tcpick packages at this url: `http://www.kuht.it/modules/xfmod/project/?tcpick' Thanks to all the mantainers of libpcap (`http://www.tcpdump.org'), that indirectly contributed to the development of tcpick :) Thanks to `http://www.linuxlinks.com' webmasters, that have added tcpick in their directory. tcpick-0.2.1/COPYING0000644000175100017510000004316210165254727010764 00000000000000======= LICENSE ======= GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. 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If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. 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It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. tcpick-0.2.1/ChangeLog0000644000175100017510000003375710173301003011467 00000000000000This is ChangeLog, produced by makeinfo version 4.7 from ChangeLog.texinfo. 18 Jan 2005 0.2.1 ***************** unchanged from 0.2.1-rc1 18 Jan 2005 0.2.1-rc1 ********************* Michael Coulter (mjc:bitz.ca): * Fixed headers include order for OpenBSD Gianluigi Spagnuolo (kirash:phreaker.net): * Added sigaction function to handle signals in a proper way. Francesco Stablum (duskdruid:despammed.com): * Fixed -lpcap -lpcap etc. arguments to cc * Fixed SIGALRM freeze bug * Added setitimer workaround for *BSD systems (fork + sleep + kill) * Added -e option to exit when a certain number of packets is reached * Added atexit function 9 Jan 2005 0.2.0-final ********************** Francesco Stablum (duskdruid:despammed.com): * Few bugfixes with -t and -td options 30 Dec 2004 0.2.0-rc6 ********************* Francesco Stablum (duskdruid:despammed.com): * expired functions are now checked every second, not every packet. (use setitimer and the SIGALRM signal). * added DLT_PPP, DLT_SLIP, DLT_SLIP_BSDOS and DLT_PPP_BSDOS support. credits: SNiFf v0.3 by uLiX http://www.s0ftpj.org/bfi/online/bfi10/BFi10-05.html * added italian documentation (README.it, EXAMPLES.it, INSTALL.it, tcpick_italian.8) 25 Dec 2004 0.2.0-rc5 ********************* Gianluigi Spagnuolo (kirash:phreaker.net): * Added signal support + statistics (packets sniffed and connection tracked) in a similar way to tcpdump. * Reorganized tcpick.c Francesco Stablum (duskdruid:despammed.com): * Added autogen.sh script * Fixed bug of `-D' option * Updated to automake/aclocal 1.9.3 14 Dec 2004 0.2.0-rc4 ********************* Gianluigi Spagnuolo (kirash:phreaker.net): * found bug in avail_filename (write.c): too few arguments to printf: fixed. Francesco Stablum (duskdruid:despammed.com): * Now '\r' and '\t' charachters are printable in 'P' and 'U' modes. * MacOSX "BIOCSRTIMEOUT: Invalid argument" bug should be fixed. * port aligment in status displayer fixed (simplified) 12 Dec 2004 0.2.0-rc3 ********************* Francesco Stablum (duskdruid:despammed.com): * added date-timestamp * removed all typedefs. Now structures and unions should be better recognizable (now names of types are UPPER-CASE) * Added .EDITME files for those people that have troubles with the ./configure script 30 Nov 2004 0.2.0-rc2 ********************* Francesco Stablum (duskdruid:despammed.com): * Timeout value is now set by `-X' option, because `-t' will be used for timestamps in the future. * Filenaming system is now chosen with the `-F' option. Artyom Khafizov: * `-D num' option will cause tcpick to create subdirectories, each for a desired number of sessions. 22 Nov 2004 0.2.0-rc1 ********************* Artyom Khafizov: * Added EXPIRED status for connection tracked with a -t option to choose an appropriate timeout (default is 600) * Fixed many memory leaks * Added a new way to write the stream to files, using directories * Added an experimental file naming system Buck Huppmann (buckh:pobox.com) and Artyom Khafizov ( both have had the same good idea :^D ): * Added RESET status for connections tracked. (RST-flagged packets will delete the connection). Federico Castaneda (F_CASTANEDA:crm.com.ar): * Added UDP support Francesco Stablum (duskdruid:despammed.com): * Debug messages are now available only with the -DTCPICK_DEBUG argument given to the compiler. * Changed signing key! Please read public_key_message.txt and check the revocation certificate public_key_OLD.revoke 08/09/04 0.2.0-devel2 ********************* * Segmentation fault bug fixed (with `u' tcpick tried to free 2 times the same heap address and closed 2 times the same file). (Saumil Shah discovered it) * Bugfix: `u' flag of `-w' worked as with `b' flag either if `b' wasn't choosen. 07/09/04 0.2.0-devel1 ********************* * Robert Scheck fixed tcpick manual section in a `printf' * Saumil Shah feature request done: the flag 'u' to the '-w' option enables tcpick to write sniffed data in a unique file, with client and server data mixed together. the flag 'b' to the '-w' option enables tcpick to write a banner to the unique file that introduces server and client data. 28/08/04 0.1.24 *************** * BSD support _should_ be completed * added "suicide" and "fault" functions * some code cleanup * fixed netinet/ip.h check bug in the configure script for FreeBSD machines * fixed hexdump bug * fixed reset color. Background color is now not black, but the terminal default * added the balanced tree to the lookup engine * applied patch by GLS to improve compatibility with openbsd 3.5 with gcc 2.95.3 * Now closed connections are freed and delinked; files will be closed. * Added the -E and -Ef arguments * Added the -Tf option * Fixed the segmentation bug of the `-y' option * added INTERNALS file (should be completed) 03/06/04 0.1.23 *************** * PFLOG support added by kirash aka GLS * patch by Sebastian Prause: "I've created a little patch to make tcpick work with pppoe interfaces on NetBSD (which use DLT_PPP_ETHER) and wanted to share it, so here it is..." * now the options for displaying the payload should be prefixed by -y I have added another set of displaying option, that are prefixed with -b. The -b options are useful to view data only when acknowledged (exactly like data written to files) and with this is particulary useful the raw mode (-bR) that you can use if you want to redirect data with a pipe to another software. * The newline carachter is suppressed when displaying the payload of the packet or an acknowledged stream in the case there are no banners except the case of the hexdump's. * Added the "-pipe" option, by a wish of loopback. See manpage for details. * Now you are able to choose to write to file only data of clients or servers or both, with the additional flags `C' and `S' to the option `-w' (omitted means "both"). * Many, many changes, code cleanups and improvement made by whyx in fragments.c and lookup.c * With the new option `-T', it is now possible to track only the first connections, the following will be discarded by the tracker engine. This is useful for the `-w' and `-b' options; for `-y' and `-h' it has no effect, because they aren't part of the tracker. * In the hexdump+ascii red dots rapresents now the unprintable carachter. * the lenght of the payload is now displayed in the packet banner * rewritten the core of verify.c and fragments.c * now connections with equal ip addresses and ports are stored in different files * files dumped with tcpick -w* options are now saved vith ".tcpick" extension * bugfix on datalink.c by kirash aka GLS * deleted alloc.c and match.c * used the "linux" 8-spaces indentation * added packet separator (by a Simone Gianni's wish) * added the `-p' flag to avoid to put the network interface in promiscuous mode (I'm not sure it works) (by a Simone Gianni's wish) * Rewritten manpage. Read it! There are lots of changes in the options! * I have tested tcpick to sniff a file via ftp, and the md5sums were equal. The tar.gz archive I have downloaded was more than 2MB long. Other tests are confirming me that the newly-written code works in the right way. 07/03/04 0.1.22-test2 ********************* * now output files are opened in "a" (only append) mode * now data are written with "fwrite()" + ferror (thanks ^^Gimli^^) 06/02/04 0.1.22-test1 ********************* * corrected bug in datalinktoa() by sbi! * Davide Benini: corrected bug in calling S_calloc with only one argument * added S_malloc function * now data are written with the write() function 28/02/04 0.1.21 *************** * Added src/ directory for the sources * Added a `flags` struct * Patch by Penelope Fudd: added `-r' option to read tcpdump filedumps: this is a very nice feature :) * Improved debugging system with dprintf (thank you ShackaN!) * Changed name of the `stack' memory block into `tracker' * Increased speed of the connection tracking system by adding many return's instruction (instead of using some damned variables like `loop_finished' and `result_bool') in verify() and match(). * Added a "chained" tracker: now it is possible to track an infinite number of connections (thank you mainman!) * Fixed bug that server file and client file were switched 30/01/04 0.1.20 *************** * added displaying of unprintable carachters (that are also dots in -P option) with red color. * added hexdump mode colorizer * with option -C2 it is now possible see different colors depending on the connection tracked (only status banners) (file colortrack.c) * added connection numbering (second field in status banner) * added time writing on banners and packet headers(time.c) 15/01/04 0.1.19 *************** * added header support (i.e. trustix) * added DLT_PFLOG/DLT_NULL/DLT_RAW/DLT_IEEE802_11 header support (not tested!!!) * added datalinktooffset function (datalink.c) * added Push/Fin/Ack packet support * added support for those systems that don't have getopt_long and getopt.h header (was a problem in AIX systems, thank you Alberto 'JCN-9000' Varesio) * added experimental color option (-C): it is very nice! It should be helpful to read the output of tcpick. * added new file colors.c (read code comments to know about the original author) 11/01/04 0.1.18 *************** * fixed ridicolous bug of "resulting_bool==" in match.c * fixed FIN-WAIT-2 bad detection * added TIME-WAIT status detection * added CLOSED status detection 11/01/04 0.1.18-test3 (UNSTABLE - BUGGY - ONLY FOR DEVELOPERS) ************************************************************** * Precedent tarball -test2 was damaged (thank you kirash (aka GLS) to said it to me) 08/01/04 0.1.18-test2 (UNSTABLE - BUGGY - ONLY FOR ************************************************** DEVELOPERS) * added DLT_NULL support by kirash (aka GLS) * fixed the ridicolous bug in -test1 (a if statement without braces) * rewritten functions verify() and match() are now fully working 08/01/04 0.1.18-test1 (UNSTABLE - BUGGY - ONLY FOR ************************************************** DEVELOPERS) * completely rewritten match() and verify() functions * added new files datalink.c and match.c * datalink managing modified to be compatible on systems that don't #define all datalinks 05/01/04 0.1.17 *************** * ip.h header ported internally to the package for compatibility with BSD systems * patch by kirash: changes to myheader.h, lookup.c and stack.c in order to improve compatibility on BSD systems * added FIN-WAIT-1 status tracking 05/01/04 0.1.16b **************** * previously source tarball was corrupted thank you Robert Scheck 05/01/04 0.1.16 *************** * added protection to memory allocation and freeing in the file alloc.c The new routines are called S_calloc and S_free and display messages when in debug mode. * added file PLATFORMS, which describes platform tested thanks nextime, Alt[O]s and Kaioh! 04/01/04 0.1.15b **************** * fixed bug in ./configure script 04/01/04 0.1.15 (early morning) ******************************* * "STATUS" string is now nicer :) * tcp.h header is now internal, to improve compatibility with *BSD systems * added new header file "myheaders.h" that should keep track of all headers used in the project * added definitively my public key in the package 03/01/04 0.1.14 *************** * reimplemented packet sniffer engine (now it is managet by pcap_loop :) * added configure script, Makefile.in config.h.in and other macro-automated files * fixed inet_ntoa bug (thank you kirash) 09/12/03 0.1.13 *************** * fixed name lookup: there will be only one dns query for each host that doesn't have a name * removed source port in log filenames * added port into service translation * Makefile improved * now the tcpick manual page is in section 1! 07/12/03 0.1.12 *************** * improved and corrected name lookup feature 05/12/03 0.1.11-unstable ************************ * added host lookup cached feature (BUGGY!!) 04/12/03 0.1.10 *************** * added write status to file feature (-wS) 03/12/03 0.1.9 ************** added lot of write to file features: * header writing, (-wH) * only printable charachters writing (-wP) * unprintable charachters transformed into hexadecimal code (-wU) * added other options (see manpage for details) -s -P -R -U 01/12/03 0.1.8 ************** * added write to file feature (-w[R]) * added write to file in hexdump mode feature (-w[xX]) * added new file write.c 30/11/03 0.1.7 ************** * fixed bad hex dump manamagment * some changes in the options (see OPTIONS file for details) 29/11/03 0.1.6 ************** * now you can display data in the packet in hexdump mode (-x) and you can watch at the printable ascii charachters too, using -X option 28/11/03 0.1.5 ************** * better options managment, including long options * added data showing in hexadecimal * added -silent mode * done manpage prototype 27/11/03 0.1.4 ************** * fixed file writing: now files are opened in "w" mode * added fflush istruction when output files are updated * fixed bug: now all connection are tracked, not only the first 24/11/03 0.1.1 ************** * fixed bad managing of payload (now ack packets whith no data are dropped) tcpick-0.2.1/INSTALL0000644000175100017510000002374610165254727010770 00000000000000================= INSTALLING TCPICK ================= The Quick Installation ====================== (should work on 99% unix systems) Make sure you have libpcap installed, then simply type: $ ./configure $ make $ su - # make install If you don't have libpcap library you can download the latest version at this url: http://www.tcpdump.org/ RARE PROBLEMS FOR NON-LINUX SYSTEMS -- ONLY FOR EXPERTS: In some unixes there may be problems with the ./configure script. If you feel brave you can check and edit as you want these files for manual configuration: ./Makefile.EDITME ./src/Makefile.EDITME ./src/config.h.EDITME and rename them to: ./Makefile ./src/Makefile ./src/config.h Then please tell me about your configure error and your Operating System. I will try to fix this ./configure bug. Deep Install explanation ======================== (follows the INSTALL document provided from the automake package with all options for configure and make) Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. (Caching is disabled by default to prevent problems with accidental use of stale cache files.) If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You only need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not support the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' will install the package's files in `/usr/local/bin', `/usr/local/man', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PATH'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you give `configure' the option `--exec-prefix=PATH', the package will use PATH as the prefix for installing programs and libraries. Documentation and other data files will still use the regular prefix. In addition, if you use an unusual directory layout you can give options like `--bindir=PATH' to specify different values for particular kinds of files. Run `configure --help' for a list of the directories you can set and what kinds of files go in them. If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. Optional Features ================= Some packages pay attention to `--enable-FEATURE' options to `configure', where FEATURE indicates an optional part of the package. They may also pay attention to `--with-PACKAGE' options, where PACKAGE is something like `gnu-as' or `x' (for the X Window System). The `README' should mention any `--enable-' and `--with-' options that the package recognizes. For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Specifying the System Type ========================== There may be some features `configure' cannot figure out automatically, but needs to determine by the type of machine the package will run on. Usually, assuming the package is built to be run on the _same_ architectures, `configure' can figure that out, but if it prints a message saying it cannot guess the machine type, give it the `--build=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name which has the form: CPU-COMPANY-SYSTEM where SYSTEM can have one of these forms: OS KERNEL-OS See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the machine type. If you are _building_ compiler tools for cross-compiling, you should use the `--target=TYPE' option to select the type of system they will produce code for. If you want to _use_ a cross compiler, that generates code for a platform different from the build platform, you should specify the "host" platform (i.e., that on which the generated programs will eventually be run) with `--host=TYPE'. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Defining Variables ================== Variables not defined in a site shell script can be set in the environment passed to `configure'. However, some packages may run configure again during the build, and the customized values of these variables may be lost. In order to avoid this problem, you should set them in the `configure' command line, using `VAR=value'. For example: ./configure CC=/usr/local2/bin/gcc will cause the specified gcc to be used as the C compiler (unless it is overridden in the site shell script). `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of the options to `configure', and exit. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. tcpick-0.2.1/NEWS0000644000175100017510000000003710165254727010422 00000000000000Read `ChangeLog' file, instead tcpick-0.2.1/THANKS0000644000175100017510000000073310165254727010641 00000000000000====== THANKS ====== Thanks to all people that are using tcpick and are sending me description of problems encountered. Thanks to sourceforge.net that approved my project, available here: http://sourceforge.net/projects/tcpick/ Thanks to kuht.it, that is currently hosting tcpick packages at this url: http://www.kuht.it/modules/xfmod/project/?tcpick Thanks to all the mantainers of libpcap (www.tcpdump.org), that indirectly contributed to the development of tcpick :)tcpick-0.2.1/TODO0000644000175100017510000000411410173301003010366 00000000000000This is TODO, produced by makeinfo version 4.7 from TODO.texinfo. * good homepage for tcpick (italian too) * fix bugs in KNOWN-BUGS and FIXMEs for 0.2.2 version (Feb 2005) **************************** * more speed for port->service resolution method. * flag to distinguish between client and server data in a tcp-bidirectional output file with an introductive banner. * add acknowledged stream banner (i.e. "data (offset:1234) sent from client: foobar") * statistics: * bytes/second, connections resetted, connections/hour * total connections * total bytes transferred by {clients|servers} * total packets received / lost * (other?) for 0.2.3 version (Mar 2005) **************************** * balanced/avl tree in the connection tracking engine * improve speed by using function pointers * (other?) for 0.3.0 version (2005) ************************ * A more coherent EXPIRED status detection * XML output * managing DLT_LOOP, DLT_IEEE802_11 and DLT_NULL fully tested * complete INTERNALS file (there is lot to write) * http/yahoo decoder by Saumil Shah (separate package?) * increase tracking speed by adding a hash function or a `memcmp' (thanks to mainman's experience) * increase speed by adding multithreading * add a "turbo" mode (with the ./configure remove features) * print only some status (i.e. only ESTABLISHED) * custom filenaming pattern * writing the offsets and seqs to file and terminal colors * ability to enable/disable _detailed_ header printing * write name lookups to a file (useful?) * use the other nice libpcap functions (fully) for the far future ****************** * autodetect and name ftp and http files (external program?) * autodect and decrypt ssh/ssl connections (external program?) * "spider" mode: make a path of all urls visited by some hosts (external program?) (that will be a nice mode to see what kind of sites are hosts visiting) * ncurses/gtk front-end * RFC1149 compatibility and RFC3514 support tcpick-0.2.1/depcomp0000744000175100017510000003541010165254727011301 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2004-04-25.13 # Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit 0 ;; -v | --v*) echo "depcomp $scriptversion" exit 0 ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # `libtool' can also be set to `yes' or `no'. if test -z "$depfile"; then base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` dir=`echo "$object" | sed 's,/.*$,/,'` if test "$dir" = "$object"; then dir= fi # FIXME: should be _deps on DOS. depfile="$dir.deps/$base" fi tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. 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"$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: tcpick-0.2.1/install-sh0000744000175100017510000002244110165254727011730 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2004-04-01.17 # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. 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You may want to install GNU tar or Free paxutils, or check the command line arguments." exit 1 ;; *) echo 1>&2 "\ WARNING: \`$1' is needed, and is $msg. You might have modified some files without having the proper tools for further handling them. Check the \`README' file, it often tells you about the needed prerequisites for installing this package. You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: tcpick-0.2.1/mkinstalldirs0000744000175100017510000000653510165254727012540 00000000000000#! /bin/sh # mkinstalldirs --- make directory hierarchy scriptversion=2004-02-15.20 # Original author: Noah Friedman # Created: 1993-05-16 # Public domain. # # This file is maintained in Automake, please report # bugs to or send patches to # . errstatus=0 dirmode="" usage="\ Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ... Create each directory DIR (with mode MODE, if specified), including all leading file name components. Report bugs to ." # process command line arguments while test $# -gt 0 ; do case $1 in -h | --help | --h*) # -h for help echo "$usage" exit 0 ;; -m) # -m PERM arg shift test $# -eq 0 && { echo "$usage" 1>&2; exit 1; } dirmode=$1 shift ;; --version) echo "$0 $scriptversion" exit 0 ;; --) # stop option processing shift break ;; -*) # unknown option echo "$usage" 1>&2 exit 1 ;; *) # first non-opt arg break ;; esac done for file do if test -d "$file"; then shift else break fi done case $# in 0) exit 0 ;; esac # Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and # mkdir -p a/c at the same time, both will detect that a is missing, # one will create a, then the other will try to create a and die with # a "File exists" error. This is a problem when calling mkinstalldirs # from a parallel make. We use --version in the probe to restrict # ourselves to GNU mkdir, which is thread-safe. case $dirmode in '') if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then echo "mkdir -p -- $*" exec mkdir -p -- "$@" else # On NextStep and OpenStep, the `mkdir' command does not # recognize any option. It will interpret all options as # directories to create, and then abort because `.' already # exists. test -d ./-p && rmdir ./-p test -d ./--version && rmdir ./--version fi ;; *) if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 && test ! -d ./--version; then echo "mkdir -m $dirmode -p -- $*" exec mkdir -m "$dirmode" -p -- "$@" else # Clean up after NextStep and OpenStep mkdir. for d in ./-m ./-p ./--version "./$dirmode"; do test -d $d && rmdir $d done fi ;; esac for file do set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'` shift pathcomp= for d do pathcomp="$pathcomp$d" case $pathcomp in -*) pathcomp=./$pathcomp ;; esac if test ! -d "$pathcomp"; then echo "mkdir $pathcomp" mkdir "$pathcomp" || lasterr=$? if test ! -d "$pathcomp"; then errstatus=$lasterr else if test ! -z "$dirmode"; then echo "chmod $dirmode $pathcomp" lasterr="" chmod "$dirmode" "$pathcomp" || lasterr=$? if test ! -z "$lasterr"; then errstatus=$lasterr fi fi fi fi pathcomp="$pathcomp/" done done exit $errstatus # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: tcpick-0.2.1/INTERNALS0000644000175100017510000000377710173301003011176 00000000000000This is INTERNALS, produced by makeinfo version 4.7 from INTERNALS.texinfo. The starting function `main' is in the file `tcpick.c'. Command-line arguments are parsed by `parse_args' (`args.c'). The packet capture engine is powered by the pcap library, that handles, with the function `pcap_loop' the callback loop function `got_packet' (`loop.c'). When a packet has been captured by `pcap_loop' it will be calculated the offset of the ip header (`ippacket'), the offset of the tcp header (`tcppacket'). Finally the function `verify' (`verify.c') will be called to analyze the packet. Packet offset and size are declared globally (`extern.h' and `globals.h') not to allocate the stack every time a function that works on the packet is called The source code that contains the function `verify' begins with several `#define''s used to verify if a sniffed packet match an inizialized connection (or else if it creates a new one). All connections tracked are stored in a linked list (i hope I will be able to replace it with an efficient balanced tree). The `struct host_descriptor_t' describes one side of the tcp connection (the server or the client). The function `verify' detects the changes of the status of the tracked connection and update it with the function `status_switch' (`tracker.c'), that calls the function `display_status' to notify the user of this change and deletes the connection if it is `CLOSED' When data are transmitted (`IS_DATA_FLOW') the function `established_packet' (`verify.c') is called. This function detects if the packet is an acknowledgment one or a data one. Unacknowledged data packets are stored in a linked-list by the function `addfr' (`fragments.c'). When data are acknowledged by a `ack', the function `flush_ack' (`fragments.c') is called. In `flush_ack' acknowledged data are flushed to an output stream (display or file) by the function `wrebuild' (`write.c'). The function `out_flavour' (`write.c') is used to select the format of the data wished by the user. tcpick-0.2.1/INTERNALS.old0000644000175100017510000000672510165254727011774 00000000000000================ TCPICK INTERNALS ================ updated to version 0.1.2 tcpick is a sniffer libcap-based. tcpick keeps track of all connection using a special structure, conn_t, used to keep in memory the connection: stack.c: struct conn_t { int status; /* 1 means SYN_SENT, 2 means SYN_RECEIVED, 3 means ESTABLISHED, 4 ??? FIXME */ u_int32_t client_ip; /* ip address of client */ u_int32_t server_ip; /* ip address of server */ u_int32_t client_seq; u_int32_t server_seq; u_int16_t client_port; u_int16_t server_port; u_int32_t client_seq_off; u_int32_t server_seq_off; int server_packets_num; int client_data_size; /* size of all data transmitted from client*/ int server_data_size; /* size of all data transmitted from server*/ char *client_data; /* data */ char *server_data; /* data */ FILE *client_file; FILE *server_file; char *client_filename; char *server_filename; FILE *both_file; int file_opened; }; All connection tracked are kept in a special "stack" (but isn't properly a stack) that I declared in that way: stack.c: struct conn_t ** stack; it is a pointer to the first address of a block of free data of size MAXCONN, allocated with calloc. Every address of this structure points to a conn_t structure (allocated when a new connection is tracked). After capturing data tcpick finds the data offset (skipping tcp options) and passes the packet to the function verify(): stack.c: int verify(struct ip *ippacket, struct tcphdr *tcppacket, u_char *payload, /* pointer to the data(offset)*/ int payload_len) /* data lenght */ the function verify() analyzes the tcp flags and calls the function match(): stack.c: int match(int status, struct ip *ippacket, struct tcphdr *tcppacket, u_char *payload, int payload_len) the first argument is a "status" flag, that describes what kind of flag are set. Then, there is a cycle that "scans" the "stack" seeking for a conn_t that matches with the received packet. In that way, if the packet matches with a conn_t structure, the status flag of the structure is changed properly with this function: stack.c: int status_switch(struct conn_t * conn,int status) status_switch, in that way, print on the terminal the new status of the connection tracked, according to the status flag: status==1 => SYN-SENT status==2 => SYN-RECEIVED status==3 => ESTABLISHED status==4 => FIN-WAIT-1 (other statuses should be developed soon!) If the connection is just ESTABLISHED (conn_ptr->status_flag==0) the packet is passed to the function data_write(): stack.c: int data_write(struct conn_t * conn_ptr, u_int32_t data_off, /* offset from beginning */ u_char * payload, int payload_len, int part /* client (1) or server (2) ? */ ) where data_off is the actual seq field minus the first minus one: data_off=(ntohl(tcppacket->seq)-ntohl((*stack_ptr)->server_seq))-1; the purpose of data_write is simple: write the payload to memory. Then, if the file_flag is set, these data are written to disk through the function file_write(): stack.c: int file_write(struct conn_t * conn_ptr, u_int32_t data_off, /* offset from beginning */ u_char * payload, int payload_len, int part /* client (1) or server (2) ? */ ) Conclusions: tcpick requires people willing to debug/improve it, do you wanna get involved? :) tcpick-0.2.1/KNOWN-BUGS0000644000175100017510000000410310173301003011251 00000000000000This is KNOWN-BUGS, produced by makeinfo version 4.7 from KNOWN-BUGS.texinfo. * Kirash reported under BSD: read() called by pcap_read() called by pcap_loop() blocks the program until gets about 600.000 byte and then calls got_packet(). Then it blocks until other 600.000 bytes aren't captured. It may be a problem of setitimer. If setitimer is set to 2 seconds, the program works fine, but this is only a workaround. This seem to be a kernel bug: Subject: kern/26470: all process stop for a long time by calling settimeofday() and setitimer() List: netbsd-bugs Date: 07/29/2004 04:32:58 [cut] Description: All process stops for a long time by calling setitimer() with short interval and then putting the system clock forward long. This bug has been workarounded with a fork + sleep + kill trick. * Segmentation fault in status_switch(): prev->next is null. I cannot understand this, because the malloc *didn't return NULL*, but a valid address as gdb said me!. WTF! NOTE: this is a very rare bug. * Marcos Costantini reported a segmentation fault bug in tcpick running on a MacOSX system. * Penelope Fudd wrote: Hi.. I've got a tcpdump program running that logs all email to & from the mail server. When I use 'tcpick -wR -r log-2004.xx.xx', and look at the resulting client and server files, there are binary strings stuck in the middle of the conversation: [cut] Where are these 'A0 00 00 00 00 00' chunks coming from? I thought that -wR was binary-safe. When I follow the stream using Ethereal, the problem goes away. * maybe it doesn't go in promisc mode even without -p Patches ******* We need somebody suggesting bugs and new features! If you want to give some help, please subscribe to the mailing-list: Archive: http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project Subscribe: http://lists.sourceforge.net/lists/listinfo/tcpick-project thanks tcpick-0.2.1/tcpick.80000644000175100017510000002646310173200435011266 00000000000000.TH "tcpick" 8 .SH NAME tcpick \- tcp stream sniffer and connection tracker .SH SYNOPSIS .B tcpick [\fB -a \fP] [\fB -n \fP] [\fB -C \fP] .br .ti +7 [\fB -e \fP\fIcount\fP ] .br .ti +7 [\fB -i \fP\fIinterface \fP|\fB -r \fP\fI file \fP] .br .ti +7 [\fB -X \fP\fItimeout\fP ] .br .ti +7 [\fB -D \fP ] [\fB -F1 \fP|\fB -F2 \fP] .br .ti +7 [\fB -yH \fP|\fB -yP \fP|\fB -yR \fP|\fB -yU \fP|\fB -yx \fP|\fB -yX \fP] .br .ti +7 [\fB -bH \fP|\fB -bP \fP|\fB -bR \fP|\fB -bU \fP|\fB -bx \fP|\fB -bX \fP] .br .ti +7 [\fB -wH[ub] \fP|\fB -wP[ub] \fP|\fB -wR[ub] \fP|\fB -wU[ub] \fP] .br .ti +7 [\fB -v \fP [\fI verbosity \fP]] [\fB -S \fP] [\fB -h \fP] .br .ti +7 [\fB --separator \fP] .br .ti +7 [\fB -T \fP|\fB -Tf \fP [\fI number \fP]] .br .ti +7 [\fB -E \fP|\fB -Ef \fP [\fI number \fP]] .br .ti +7 [\fB -Pc \fP | \fB -Ps \fP] .br .ti +7 [\fI "filter" \fP] .br .ti +7 [\fB --help \fP] [\fB --version \fP] .SH DESCRIPTION \fBtcpick\fP is a textmode sniffer libpcap-based that can track tcp streams and saves the data captured in different files, each for every connection, or displays them in the terminal in different formats (hexdump, printable charachters, raw...) Useful for picking files in a passive way. It is useful to keep track of what users of a network are doing, and is usable with textmode tools like grep, sed, awk. Happy data hunting :-) .SH BASE OPTIONS .TP .B \-i --interface \fIinterface\fP listen on selected interface, (i.e. \fIppp0\fP or \fIeth0\fP). If option \fB-i\fP is omitted, tcpick is able to select the first open interface (usually a ethernet card). .TP .B \-r --readfile reads raw packets from a file written with .B tcpdump -w instead of using a network device. .TP \fB "filter" \fP This is the filter for the capturer engine. You can set it in the same way of setting the .B tcpdump(1) filter. Read tcpdump(1) manpage for other explanations. .TP .B \-a Displays host names instead of ip addresses. Warning: for every new ip grabbed a dns query will be generated! Use it carefully on high-traffic network devices! .TP .B \-C --colors Uses terminal colors: very nice! It should help you to read the output of tcpick .TP .B \-D \fInumber\fP \fB--dirs\fP \fInumber\fP Create directories to store sniffed sessions. When a directory contains \fInumber\fP sessions, a new one will be created. .TP .B \-e \fIcount\fP Exits when \fIcount\fP packets have been sniffed .TP .B \-E \fInumber\fP Exit when \fInumber\fP sniffed connections are detected as "CLOSED" .TP .B \-Ef \fInumber\fP Exit when \fBthe first\fP \fInumber\fP connections are detected as "CLOSED" .TP .B \-F1 \-F2 \--filenaming 1|2 Choose the filenaming system. .br \fB \-F1 \fP: tcpick_\fBclientip\fP_\fBserverip\fP.\fBside\fP.dat .br (side means \fBclnt\fP, \fBserv\fP or \fBboth\fP) .br \fB \-F2 \fP: tcpick_\fBconnectionnumber\fP_\fBclientip\fP_\fBserverip\fP.\fBside\fP.dat .TP .B \-h Shows source and destination ip and port; shows tcp flags as letters. .TP .B \--help Displays a short help summary .TP .B \-p \fIDon't\fP put the network interface in promiscuous mode. Note that the interface might be in promiscuous mode for some other reason. .TP .B \-S Suppresses the "status of the connection" banner. .TP .B \--separator Add a separator for the payloads displayed. .TP .B \-t Adds timestamp in \fBhour:minutes:seconds:microseconds\fP format .TP .B \-td Like \fB-t\FP with date timestamp in \fBday-month-year\fP format .TP .B \-T \fInumber\fI Track \fInumber\fP connections. It could be very useful on a high-traffic network device. If \fInumber\fP is not specified, it will be set to \fB1\fP. .TP .B \-Tf \fInumber\fP Track \fBonly the first\fP \fInumber\fP connections; the following will be discarded. If \fInumber\fP is not specified, it will be set to \fB1\fP. .TP .B \-v \fIverbosity\fP Quite unuseful, yet. Set verbosity level. Actually there are not really many extra messages to display, this means it is enabled by default (\fB-v1\fP). Set verbosity level to \fB0\fP to suppress extra messages (\fB-v0\fP) except error messages. Set verbosity level to \fB5\fP to display debug messages (\fB-v5\fP). There are not other verbosity levels. .TP .B \-X \fItimeout\fI Connections are considered \fBEXPIRED\fP when there is no traffic for at least \fItimeout\fP seconds. Default is 600. .TP .B \--version Displays the tcpick version .SH DISPLAY THE DATA IN THE TCP PACKETS These options are prefixed by \fB-y\fP and are useful to display in various ways the content of the packet sniffed (the data, called payload), once it arrives at the listening interface. In that way the tcp duplicates will be not discarded and the packets will not be reordered, but displayed "as is". If you want a fully acknowledged stream, see the \fB-w\fP and \fB-b\fP set of options. .TP .B \-yH View data in hexadecimal-spaced mode (for the hexdump see \fB-yx\fP and \fB-yX\fP options. .TP .B \-yP Shows data contained in the tcp packets. Non-printable charachters are transformed in dots: "\fB.\fP". Newline character is preserved. This is the best way, in my opinion to show data like HTTP requests, IRC communication, SMTP stuff and so on. .TP .B \-yR Displays all kind of charachters, printable and non printable. If something binary is transmitted, the effect will probably be like watching with "\fBcat\fP" at a gzipped file. .TP .B \-yx Shows all data after the header in hexadecimal dump of 16 bytes per line. .TP .B \-yX Shows all data after the header in hexadecimal and ascii dump with 16 bytes per line. .TP .B \-yU Shows all data after the header, but \fBU\fPnprintable charachters are displayed as hexadecimal values between a "<" and a ">" symbol. .SH REBUILD AND WRITE THE TCP STREAM TO FILE The prefix for these options is \fB-w\fP. The TCP stream that has been sniffed with these options will be written to file named: .br .I client___.tcpick and .br .I server___.tcpick .br With the \fBu\fP flag of the \fB-w\fP option (i.e. \fB-wRu\fP) both client and server data will be written to a unique file named in that way: .br .I __.tcpick .br If you use the additional flag \fBb\fP of the \fB-w\fP option (i.e. \fB-wPub\fP), in the file will be written this banner: .br \fB[client|server] offset before:offset after (lenght of rebuilded segment)\fP .br to distinguish between client and server data. .br The flow is rebuilded, reordered and the duplicates are dropped. In that way it is possible to sniff entire files transmitted via ftp without data corruption (you can see this with md5sum). If no argument is given to \fB-w\fP the data will be written like \fB-wR\fP You can decide to write only client or server data by setting the flag \fBC\fP (output only client data) and \fBS\fP (output only server data) to the \fB-w\fP set. .TP .B \-wR This is the preferred option: data will be written without any changes. Useful for sniffing binary or compressed files. .br (\fB-wRC\fP only the client, \fB-wRS\fP only the server) .TP .B \-wP Unprintable charachters are written like dots. .br (\fB-wPC\fP only the client, \fB-wPS\fP only the server) .TP .B \-wU \fBU\fPnprintable charachters are displayed as hexadecimal values between a "<" and a ">" symbol. .br (\fB-wPC\fP only the client, \fB-wPS\fP only the server) .TP .B \-wH The flow is written in hexadecimal-spaced mode. .br (\fB-wHC\fP only the client, \fB-wHS\fP only the server) .SH DISPLAY THE REBUILDED TCP STREAM The prefix for these options is \fB-b\fP. This set of options is very useful if you want to redirect the sniffed flow to anoter program with a pipe, and there should be no data corruption. Of course the most useful is \fB-bR\fP to show the data as they are (raw). A very useful feature is the flag \fBC\fP (output only client data) and \fBS\fP (output only server data). I.e.: \fB-bRC\fP will display only the data from the client in raw mode; in that way you can put them in a file with a pipe redirection. The sub-options are quite the same of the \fB-y\fP set, so you have: .TP \fB -bH \fP hex-spaced (\fB-bHC\fP only the client, \fB-bHS\fP only the server) .TP \fB -bP \fP unprintable displayed as dots (\fB-bPC\fP only the client, \fB-bPS\fP only the server) .TP \fB -bR \fP raw mode (\fB-bRC\fP only the client, \fB-bRS\fP only the server) .TP \fB -bU \fP unprintable as . (\fB-bUC\fP only the client, \fB-bUS\fP only the server) .TP \fB -bx \fP hexdump (\fB-bxC\fP only the client, \fB-bxS\fP only the server) .TP \fB -bU \fP hexdump + ascii (\fB-bXC\fP only the client, \fB-bXS\fP only the server) .TP \fB -PC --pipe client \fP This is an alias for \fB-bRC -S -v0 -Tf1 -Ef1\fP. With this option you are able to track only the first connection (\fB-T1\fP) matched by tcpick and data are displayed as raw. Only data from the client are put on stdout. All messages and banners are suppressed, except error messages (\fB-S -v0\fP), so this option is particulary useful to download an entire fully rebuilded and acknowledged connection. .TP \fB -PS --pipe server \fP This is an alias for \fB-bRS -S -v0 -Tf1 -Ef1\fP. .SH EXAMPLES .TP how to display the connection status: \fB # tcpick -i eth0 -C\fP .TP display the payload and packet headers: \fB # tcpick -i eth0 -C -yP -h -a\fP .TP display client data only of the first smtp connection: \fB # tcpick -i eth0 -C -bCU -T1 "port 25"\fP .TP download a file passively: \fB # tcpick -i eth0 -wR "port ftp-data"\fP .TP log http data in unique files (client and server mixed together): \fB # tcpick -i eth0 "port 80" -wRub\fP .TP redirect the first connection to a software: \fB # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz\fP .br \fB # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25\fP .SH MAILING-LIST Address: \fI\fP .br Archive: \fIhttp://sourceforge.net/mailarchive/forum.php?forum=tcpick-project\fP .br Subscribe: \fIhttp://lists.sourceforge.net/lists/listinfo/tcpick-project\fP .br If you have new ideas, patches, feature requests or simply need help, don't wait! I will be grateful if you send a message to the mailing list (even if you want to say what you liked most on tcpick). .SH TCPICK WEBSITE The tcpick website is at \fIhttp://tcpick.sf.net\fP. .br You can find the project page here: \fIhttp://sourceforge.net/projects/tcpick\fP kindly hosted by the sourceforge team. .SH AUTHORS Please check \fBAUTHORS\fP file. .SH BUGS Tcpick is an experimental software, and maybe some bugs are described in the \fBKNOWN-BUGS\fP file. .br On some versions of MacOSX Segmentation Fault happens and connections aren't tracked properly. .br If you find any other bug, please write to the tcpick mailing list. .SH SEE ALSO Other nice packet/data sniffers: .br tcpdump, ngrep, tcptrack, ettercap, ethereal, snort .SH LICENSE This program is \fBfree software\fP; you can redistribute it and/or modify it under the terms of the \fBGNU General Public License\fP as published by the Free Software Foundation; either version 2 of the License, or (at you option) any later version. This program is distributed in the hope that it will be useful, but \fB WITHOUT ANY WARRANTY\fP; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. tcpick-0.2.1/public_key.asc0000644000175100017510000000415510165254727012546 00000000000000-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.2.4 (GNU/Linux) mQGiBEGiO88RBADCmh7S7Xr/ekE76PmvjK66bHm+IhCuJCrqlQkSmbyOikBBgT3M Rpy3D2I7vSoHQr9nchT7/RGIX52+TWUtbJsomSDc5BzD1vzKlSekm3eQKnlGExLM YELKhdfNO6Ld86bCXNt2YUee+1bmYrANfkYqqp/+St8vuooFECzTvfVuiwCgzZZR 5U9+rIC+Qs/WFBjqvfkRRdcD/1z0NDEZNe3F58NVHA6JjjvZDmv7IsAGuz52h9PU pwnTTwgfz0SFLHHVSK6V6iYMNHZOGuAn4CGj70xDvtSnHq/Ms5hJLRxyvWlW+fGI sTQWoms6z1LA8Av3zweNDQG7lJu4tLBwUj2+7vQM/w624eAZfNMdIMHWTEXr/8lu EftOBACHFGvYTOjh2ABlQWxlLalfrCcarL8ovvAXCoUCM8+X/PxzcgGIRsGTfvqL XpSsQ2EeZ2gohWPxfgFi51beQ8U/dtnVPNzmrnxHowC1m0ELiXtwGBcbVCn6i9XB /whZnEehZ3Tu18oStfZmwmiLO87iACBLHVEmmSAh9+6Qd1G4K7Q3RnJhbmNlc2Nv 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Here is the revocation certificate for the old key, and the new key (2F66886F) follows. Please note that the new key (2F66886F) will be used to sign the source packages of the tcpick sniffer (tcpick.sf.net) since 0.2.0-rc1 version. Also note that this message has been signed with the old (66C8246F) key. Thank you for the attention, Francesco Stablum mantainer of 'tcpick' == Old key description and fingerprint == pub 1024D/66C8246F 2003-10-17 Francesco Stablum (DuskDruid) Key fingerprint = 521D DAD3 EB81 B62B FE35 E644 8CAD C1FC 66C8 246F sub 2048g/D017CC19 2003-10-17 [expires: 2004-10-16] == New key description and fingerprint == pub 1024D/2F66886F 2004-11-22 Francesco Stablum (duskdruid) Key fingerprint = 6805 6118 36C8 F7B2 F3EE 07A7 4200 8815 2F66 886F uid Francesco Stablum (duskdruid) uid Francesco Stablum (duskdruid) sub 2048g/F1F0E2DF 2004-11-22 [expires: 2006-11-22] == Old key revocation certificate == - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: A revocation certificate should follow iQInBCARAgHnBQJBokLowR8dAVRoaXMga2V5IGhhcyBleHBpcmVkLgpJdCB3aWxs IGJlIHN1cGVyc2VkZWQgYnkgdGhpcyBvbmU6CnB1YiAgMTAyNEQvMkY2Njg4NkYg MjAwNC0xMS0yMiBGcmFuY2VzY28gU3RhYmx1bSAoZHVza2RydWlkKSA8ZHVza2Ry dWlkOnVzZXJzLnNvdXJjZWZvcmdlLm5ldD4KS2V5IGZpbmdlcnByaW50ID0gNjgw NSA2MTE4IDM2QzggRjdCMiBGM0VFICAwN0E3IDQyMDAgODgxNSAyRjY2IDg4NkYK dWlkICAgICAgICAgICAgICAgICAgICAgICAgICAgIEZyYW5jZXNjbyBTdGFibHVt IChkdXNrZHJ1aWQpIDxkdXNrZHJ1aWQ6ZGVzcGFtbWVkLmNvbT4KdWlkICAgICAg ICAgICAgICAgICAgICAgICAgICAgIEZyYW5jZXNjbyBTdGFibHVtIChkdXNrZHJ1 aWQpIDxzdGFibHVtOmdtYWlsLmNvbT4Kc3ViICAyMDQ4Zy9GMUYwRTJERiAyMDA0 LTExLTIyIFtleHBpcmVzOiAyMDA2LTExLTIyXQoyMiBOb3ZlbWJlciAyMDA0LCBG cmFuY2VzY28gU3RhYmx1bQAKCRCMrcH8Zsgkb4QIAJ9sRyS1Zcv68S4tXfYtc+rg hmZv0gCcCM1AyrLxxMEU7m4vXpkuEFAmWO8= =kAKC - -----END PGP PUBLIC KEY BLOCK----- == New key (2F66886F) follows == - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.2.4 (GNU/Linux) mQGiBEGiO88RBADCmh7S7Xr/ekE76PmvjK66bHm+IhCuJCrqlQkSmbyOikBBgT3M Rpy3D2I7vSoHQr9nchT7/RGIX52+TWUtbJsomSDc5BzD1vzKlSekm3eQKnlGExLM YELKhdfNO6Ld86bCXNt2YUee+1bmYrANfkYqqp/+St8vuooFECzTvfVuiwCgzZZR 5U9+rIC+Qs/WFBjqvfkRRdcD/1z0NDEZNe3F58NVHA6JjjvZDmv7IsAGuz52h9PU pwnTTwgfz0SFLHHVSK6V6iYMNHZOGuAn4CGj70xDvtSnHq/Ms5hJLRxyvWlW+fGI sTQWoms6z1LA8Av3zweNDQG7lJu4tLBwUj2+7vQM/w624eAZfNMdIMHWTEXr/8lu EftOBACHFGvYTOjh2ABlQWxlLalfrCcarL8ovvAXCoUCM8+X/PxzcgGIRsGTfvqL XpSsQ2EeZ2gohWPxfgFi51beQ8U/dtnVPNzmrnxHowC1m0ELiXtwGBcbVCn6i9XB /whZnEehZ3Tu18oStfZmwmiLO87iACBLHVEmmSAh9+6Qd1G4K7Q3RnJhbmNlc2Nv IFN0YWJsdW0gKGR1c2tkcnVpZCkgPGR1c2tkcnVpZEBkZXNwYW1tZWQuY29tPohk BBMRAgAkBQJBojvPAhsDBQkDwmcABgsJCAcDAgMVAgMDFgIBAh4BAheAAAoJEEIA iBUvZohvuAcAoLv16/PQHaxxhs2wfhz6xv/3xax/AJ4yCj7vkVkP3wHyMrPqJgN4 ysB+9rQxRnJhbmNlc2NvIFN0YWJsdW0gKGR1c2tkcnVpZCkgPHN0YWJsdW1AZ21h aWwuY29tPohkBBMRAgAkBQJBojxxAhsDBQkDwmcABgsJCAcDAgMVAgMDFgIBAh4B AheAAAoJEEIAiBUvZohv62AAniC1boQ2ZcIstqKUkE2udfafSSyWAKCn071Yn4aA rc6GmrYA+yyiuM+aqbQ/RnJhbmNlc2NvIFN0YWJsdW0gKGR1c2tkcnVpZCkgPGR1 c2tkcnVpZEB1c2Vycy5zb3VyY2Vmb3JnZS5uZXQ+iGQEExECACQFAkGiPLwCGwMF CQPCZwAGCwkIBwMCAxUCAwMWAgECHgECF4AACgkQQgCIFS9miG/mlwCfTZSdaou+ NkFO7M9Ram6554Ggf74AnjslfZye2j0xM/vnEo8d9868RUoFuQINBEGiO/EQCADh UlT1bkIK7Z5dmscCObTh05JGIP4jD6Gw+uW1hcfR/67a00uAv4cPj7jtD6fo3t16 9CHfciz7vcu3nOHhyMHb/5g2a1iGHwBkoKcg9XQjlcwYAyIpmmU4tiLRAxhOVEHp +oYZXlgNoHMwWMcxO73xMvBgMVujkNVkzoVRGdHsinwsvTaota7iQf2QAmT2Ou2/ cLRYCeUqs/6M4AcRB7kVqZfVrgK+gI8gLSH/wjRIvrjMjwK4ce9ZzdXWba0cRSST M0TdEmRveb3NbNyvWStCZgeK1UlgjO5LqO1GWLyqSlTEEWO7t724PHu9mOgcoh6T +DouzFT3GSTCk9jCI/oLAAMGCACzi1cuxTQxQymop05qvrR3KC4IXg32SdkRbknx 3lpYzkf9sWchd9NNF3f68Fma/3VlObOhJSjItgD2zuQy5q5tthHe3lOop5woy3Oa vPTKuc2cb8JgbrcGcRjvE6Jji/Al1SfcRMnaCP/t+QOopKDKsePICbKrX3wIH2TM CUf3BlQFhpT7Y26kjFlpnMNURfqac0J13mY6SSpu0EfO0lEYwDbSp4uXteJCN+zy qrZTpdIb0brbR+orR8tVlWQUurrplMv6jnZyRDz5pOEWhY/KGBi5MARW+kVTOGey NNHcPiOly9OoaEFTZOc3uNQC3rJi1uyuEeN+uy1PQ4VZl22GiE8EGBECAA8FAkGi O/ECGwwFCQPCZwAACgkQQgCIFS9miG9+sACglZMZwtFbIxn25YC+9m25WgJxsksA n0BiG6k7l5iQ+ovW7WKvjj7Ovc+V =oCR6 - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFBokYFjK3B/GbIJG8RAkk/AJ9H+7rV5M+PYCkb4xwDlHxGK60iYQCfW+bZ dOD15OxuroiQ9329Kh7UE0w= =l1TU -----END PGP SIGNATURE----- tcpick-0.2.1/PLATFORMS.compile0000644000175100017510000000136010165254727012644 00000000000000== Successfully compilation on the following platforms == fields: OS - VERSION - ARCH - CC - BY tcpick version 0.1.24 Slackware Linux 10.0 2.6.8.1 i386 gcc 3.3.4 duskdruid:despammed:com Suse Linux 2.4.21-207-smp amd64 gcc 3.2.2 duskdruid:despammed:com FreeBSD 6.0-CURRENT i386 gcc 3.4.2 lan:insys:it NetBSD 1.6.2 i386 gcc 2.95.3 20010315 (release) kirash:phreaker:net OpenBSD 3.6 i386 gcc 2.95.3 kirash:phreaker:net OpenBSD 3.5 i386 gcc 2.95.3 20010125 (prerelease, propolice) kirash:phreaker:net OpenBSD 3.4 i386 gcc 2.95.3 duskdruid:despammed:com MacOSX-2 Darwin 6.8 powerpc gcc 3.3 duskdruid:despammed:com tcpick version =< 0.1.23 Slackware Linux 9.1 2.6.2-7 i386 gcc 3.4.0 duskdruid:despammed:com tcpick-0.2.1/PLATFORMS.running0000644000175100017510000000176210165254727012702 00000000000000== Confirmed support for the following platforms and network interfaces == fields: OS - VERSION - ARCH - INTERFACE NAME - DLT_ NAME (INTERFACE DESCR.) - TEST BY tcpick version 0.1.24 Slackware Linux 10.0 2.6.8.1 i386 eth0 EN10MB (ethernet10/100) duskdruid:despammed:com Slackware Linux 10.0 2.6.8.1 i386 ppp0 LINUX_SLL (dial-up ppp) duskdruid:despammed:com Slackware Linux 10.0 2.6.8.1 i386 lo EN10MB (loopback) duskdruid:despammed:com OpenBSD 3.5 i386 rl0 EN10MB (Realtek 8129/8139) kirash:phreaker:net OpenBSD 3.5 i386 lo0 LOOP (loopback interface) kirash:phreaker:net OpenBSD 3.5 i386 pflog0 PFLOG (packet filter logging interface) kirash:phreaker:net NetBSD 1.6.2 i386 rtk0 EN10MB (Realtek 8129/8139) kirash:phreaker:net NetBSD 1.6.2 i386 lo0 LOOP (loopback interface) kirash:phreaker:net tcpick version =< 0.1.23 Slackware Linux 9.1 2.6.2-7 i386 eth0 EN10MB (ethernet10/100) duskdruid:despammed:com Slackware Linux 9.1 2.6.2-7 i386 ppp0 LINUX_SLL (dial-up ppp) duskdruid:despammed:com tcpick-0.2.1/PLATFORMS.old0000644000175100017510000000302110165254727011766 00000000000000========= PLATFORMS ========= tcpick compilation has been tested on these platforms: * Slackware 9.1 with gcc 3.2.3 and linux 2.4.22 (my machine: Athlon i686) * Slackware 9.1 with gcc 3.2.3 and linux 2.4.22 (thank you AdHe5) * Slackware 9.1 with linux 2.4.23 on a Intel Celeron (thank you Alt[O]s) * Slackware 9.0 with linux 2.4.22 on a Pentium 4 (thank you Kaioh) * Gentoo 1.4 with gcc 3.2.2 and linux 2.6.0 (thank you hannibal) * SuSE Linux 9.0 (thak you Alberto Panu) * debian sid (unstable) with gcc 3.3.3 and libpcap-dev 0.7.2-5 on a linux 2.4.22 (thank you Maurizio Lemmo `Tannoiser') * FreeBSD 5.2-RC (thank you Cristiano Deana) * FreeBSD 5.0-RELEASE-p19 (i386) with gcc 3.2.1 (thank you Kirillov) Failed tests: * IBM AIX 4.3.3.11 (no getopt.h) (thank you Alberto 'JCN-9000' Varesio) * darwin 7.2 on ppc(mac) (`DLT_PPP_ETHER' undeclared) (thank you gap) * FreeBSD 4.9-RELEASE (getopt.h: No such file or directory) (thank you Cristiano Deana) The following tests are provided by nextime: thank you very much! * Debian SID with gcc 3.3.1 and linux 2.4.23 on x86 * Debian SID with gcc 3.3.1 and linux 2.6.0 on x86 * Debian woody with gcc 2.95 and linux 2.4.23 on x86 * Debian SID with gcc 3.3.0 and linux 2.4.23 on mips ( SGI Indy ) * Debian SID with gcc 3.3.1 and linux 2.4.23 on PPC * Debian SID with gcc 3.3.0 and linux 2.4.23 on Sparc64 * FreeBSD 5.1 with gcc 3.3.1 on Sparc64 * Linux from scratch with gcc 3.3.0 and linux 2.4.23 on Alpha Failed tests by nextime: * NetBSD 1.6.1 with gcc 3.3.0 on m68k * GNUStep gcc: 2.95 on NeXT Cube tcpick-0.2.1/EXAMPLES0000644000175100017510000000526210173301003011044 00000000000000This is EXAMPLES, produced by makeinfo version 4.7 from EXAMPLES.texinfo. 1 Examples of tcpick usage ************************** 1.1 connection status ===================== Tcpick is a sniffer able to understand wich status has the connection (SYN-SENT, SYN-RECEIVED and so on). To see the connection tracker in action on eth0 simply type: # tcpick -i eth0 -C `-C' means "enable colors", and the output is very pretty. You will see something like this: 23:07:42.672171 1 SYN-SENT 12.34.56.78:41599 > 123.123.123.123:http 23:07:42.822239 2 SYN-SENT 12.34.56.78:41600 > 32.13.21.32:5973 23:07:42.826634 3 SYN-SENT 12.34.56.78:41601 > 123.45.67.89:5555 23:07:42.854681 4 SYN-SENT 12.34.56.78:41602 > 1.2.3.4:56789 23:07:43.084242 1 SYN-RECEIVED 12.34.56.78:41599 > 123.123.123.123:http 23:07:43.087045 1 ESTABLISHED 12.34.56.78:41599 > 123.123.123.123:http 23:07:44.061311 5 SYN-SENT 12.34.56.78:41603 > 10.20.30.40:8888 1.2 display the payload and packet headers ========================================== It is very easy: # tcpick -i eth0 -C -yP -h -a `-yP' means "payload printable", `-h' means "header" and `-a' means names resolution. Unprintable carachters are displayed as dots. 1.3 display client data only of the first smtp connection ========================================================= # tcpick -i eth0 -C -bCU -T1 "port 25" `-bCU' means: display the rebuilded stream (`-b') only the client side (`C') and unprintable carachters will be displayed as hexcode (`U'). `T1' means: display only the first (1) connection. "port 25" is the filter. 1.4 download a file passively ============================= Yeah! It is very a simple job: #tcpick -i eth0 -wR "port ftp-data" When the file has been completely transmitted (connection displayed as "CLOSED") check in the working directory: you will find some files named like this: # ls *.tcpick client_123.45.67.89_98.76.54.32_34567.tcpick server_123.45.67.89_98.76.54.32_34567.tcpick Bingo! If you do `$ file *.tcpick' you will find that one of the two is a a gzip archive or whatever you sniffed. 1.5 redirect the first connection to a software =============================================== You must choose between client or server side, because you don't want both stream mixed in the standard output. It is a really simple job, just type: # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz or # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 Now, use your imagination and let me know what crazy experiments have you done with tcpick ;^) tcpick-0.2.1/VERSION0000644000175100017510000000000610173301025010746 000000000000000.2.1 tcpick-0.2.1/Makefile.EDITME0000644000175100017510000004627010165254727012342 00000000000000# *** WARNING *** # USE .EDITME FILES ONLY IF ./configure DOESN'T WORK PROPERLY! # If you have had troubles with ./configure, please tell me about # the problem and your Operating System. # Makefile.in generated by automake 1.8.5 from Makefile.am. # Makefile. 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Tra le sue funzioni quelle piu' importanti sono la capacita' di tracciare flussi di dati trasferiti mediante il protocollo tcp e la possibilita' di salvare i dati catturati all'interno di files, oppure di visualizzarli direttamente nel terminale. Puo' essere utilizzato per il download passivo di file trasferiti via ftp (per l'http e' neccessaria una ulteriore decodifica a livello applicazione). Tra le modalita' di visualizzazione dei dati ci sono: esadecimale, esadecimale con ascii (ovvero il classico hexdump), visualizzazione dei soli caratteri stampabili, modalita' "raw" ecc. E' disponibile anche una modalita' a colori per rendere l'output piu' leggibile. Se viene posizionato su un gateway puo' essere utilizzato per osservare le attivita' degli utenti di una rete interna. Inoltre e' adatto ad essere utilizzato con strumenti testuali a riga di comando come grep, sed e awk. Un semplice esempio per visualizzare le richieste http: # tcpick -i ppp0 -yP | grep GET home page ********* http://tcpick.sourceforge.net Altri file da leggere ********************* * AUTHORS * OPTIONS * KNOWN-BUGS * INSTALL * EXAMPLES.it * TODO * ChangeLog * COPYING * public_key.asc (key to check package signatures) * public_key_message.txt contribuisci! ************* tcpick e' un progetto open-source, e, in quanto tale, sono graditi qualsiasi tipo di richieste di funzionalita', report di bug, patch e quanto altro. Questa e' la mailing list, che puoi utilizzare per segnalare qualsiasi problema: * indirizzo tcpick-project@lists.sourceforge.net * Archivio http://sourceforge.net/mailarchive/forum.php?forum=tcpick-project * Pagina di iscrizione http://lists.sourceforge.net/lists/listinfo/tcpick-project Note sulla licenza ****************** Tcpick e' rilasciato con la licenza GNU GPL. Per ulteriori informazioni leggere il file COPYING (in inglese) tcpick-0.2.1/EXAMPLES.it0000644000175100017510000000654610173301003011465 00000000000000This is EXAMPLES.it, produced by makeinfo version 4.7 from EXAMPLES.it.texinfo. Visualizzare lo stato delle connessioni tracciate ************************************************* Tcpick e' uno sniffer in grado di tracciare le connessioni e determinarne lo stato (SYN-SENT, SYN-RECEIVED e cosi' via). Per vedere tcpick in azione si puo' eseguire questo comando da root: # tcpick -i eth0 -C L'opzione `-C' serve ad abilitare i colori per rendere la lettura dell'output piu' gradevole, mentre l'opzione -i serve a specificare l'interfaccia di rete. Creando un po' di traffico (aprendo, ad esempio una pagina web) dovreste vedere un output simile a questo: 23:07:42.672171 1 SYN-SENT 12.34.56.78:41599 > 123.123.123.123:http 23:07:42.822239 2 SYN-SENT 12.34.56.78:41600 > 32.13.21.32:5973 23:07:42.826634 3 SYN-SENT 12.34.56.78:41601 > 123.45.67.89:5555 23:07:42.854681 4 SYN-SENT 12.34.56.78:41602 > 1.2.3.4:56789 23:07:43.084242 1 SYN-RECEIVED 12.34.56.78:41599 > 123.123.123.123:http 23:07:43.087045 1 ESTABLISHED 12.34.56.78:41599 > 123.123.123.123:http 23:07:44.061311 5 SYN-SENT 12.34.56.78:41603 > 10.20.30.40:8888 Visualizzare il contenuto dei pacchetti e l'header ************************************************** Se volete vedere i dati contenuti nei pacchetti, l'operazione richiesta e' semplicissima: # tcpick -i eth0 -C -yP -h -a `-yP' significa "visualizza il contenuto del pacchetto", `-h' abilita la visualizzazione dell'header (semplificato) e `-a' abilita la risoluzione dei nomi via dns. I caratteri non stampabili vengono visualizzati come punti. Visualizzare i dati del client in una connessione smtp ****************************************************** # tcpick -i eth0 -C -bCU -T1 "port 25" `-bCU' significa: ricostruisci il flusso tcp (`-b') ma visualizza solo la parte attinente al client (`C') e i caratteri non stampabili vengono visualizzati tramite codice esadecimale (`U'). `-T1' significa: tracciare solo la prima connessione incontrata "port 25" e' il filtro per catturare solo connessioni smtp. scaricare un file in modo passivo ********************************* Qui' viene il bello! #tcpick -i eth0 -wR ``port ftp-data'' Quando il file e' stato completamente trasmesso (CLOSED) controlla nella directory corrente e troverai dei file simili a questi: # ls *.tcpick client_123.45.67.89_98.76.54.32_34567.tcpick server_123.45.67.89_98.76.54.32_34567.tcpick Ottimo! Se esegui il comando `$ file *.tcpick' vedrai che e' proprio cio' che e' stato scaricato, e un md5sum garantira' e' stato sniffato completamente e senza errori. Redirigere la prima connessione incontrata ad un programma ********************************************************** Devi scegliere se sniffare la parte relativa al server o al client, poiche' ovviamente non si vuole mischiare entrambi i flussi nello standard output. E' estremamente semplice; ecco alcuni esempi: # tcpick -i eth0 --pipe client "port 80" | gzip > risposta_http.gz oppure # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 Ora usa la tua immaginazione e se credi ne valga la pena, contattami per farmi sapere che razza di alchimie hai inventato ;^) (magari includero' degli script nel pacchetto sorgente). Buon divertimento! tcpick-0.2.1/tcpick_italian.80000644000175100017510000003001010173200523012744 00000000000000.TH "tcpick" 8 .SH NAME tcpick \- sniffer tracciatore di connessioni .SH SYNOPSIS .B tcpick [\fB -a \fP] [\fB -n \fP] [\fB -C \fP] .br .ti +7 [\fB -e \fP\fInum\fP ] .br .ti +7 [\fB -i \fP\fIinterfaccia \fP|\fB -r \fP\fI file \fP] .br .ti +7 [\fB -X \fP\fItimeout\fP ] .br .ti +7 [\fB -D \fP ] [\fB -F1 \fP|\fB -F2 \fP] .br .ti +7 [\fB -yH \fP|\fB -yP \fP|\fB -yR \fP|\fB -yU \fP|\fB -yx \fP|\fB -yX \fP] .br .ti +7 [\fB -bH \fP|\fB -bP \fP|\fB -bR \fP|\fB -bU \fP|\fB -bx \fP|\fB -bX \fP] .br .ti +7 [\fB -wH[ub] \fP|\fB -wP[ub] \fP|\fB -wR[ub] \fP|\fB -wU[ub] \fP] .br .ti +7 [\fB -v \fP [\fI verbosity \fP]] [\fB -S \fP] [\fB -h \fP] .br .ti +7 [\fB --separator \fP] .br .ti +7 [\fB -T \fP|\fB -Tf \fP [\fI n \fP]] .br .ti +7 [\fB -E \fP|\fB -Ef \fP [\fI n \fP]] .br .ti +7 [\fB -Pc \fP | \fB -Ps \fP] .br .ti +7 [\fI "filter" \fP] .br .ti +7 [\fB --help \fP] [\fB --version \fP] .SH DESCRIZIONE \fBtcpick\fP e' uno sniffer con interfaccia testuale basato sulle celeberrime librerie libpcap. Tra le sue funzioni quelle piu' importanti sono la capacita' di tracciare flussi di dati trasferiti mediante il protocollo tcp e la possibilita' di salvare i dati catturati all'interno di files, oppure di visualizzarli direttamente nel terminale. Puo' essere utilizzato per il download passivo di file trasferiti via ftp (per l'http e' neccessaria una ulteriore decodifica a livello applicazione). Tra le modalita' di visualizzazione dei dati ci sono: esadecimale, esadecimale con ascii (ovvero il classico hexdump), visualizzazione dei soli caratteri stampabili, modalita' "raw" ecc. E' disponibile anche una modalita' a colori per rendere l'output piu' leggibile. Se viene posizionato su un gateway puo' essere utilizzato per osservare le attivita' degli utenti di una rete interna. Inoltre e' adatto ad essere utilizzato con strumenti testuali a riga di comando come grep, sed e awk. .SH OPZIONI BASE .TP .B \-i --interface \fIinterfaccia di rete\fP ascolta l'interfaccia selezionata, (p.es. \fIppp0\fP o \fIeth0\fP). Se non e' stata impostata l'opzione \fB-i\fP, tcpick selezionera' di default il primo dispositivo disponibile. .TP .B \-r --readfile legge i pacchetti da un file generato mediante .B tcpdump -w invece di utilizzare un interfaccia di rete ordinaria. .TP \fB "filtro" \fP E' possibile impostare un filtro come quelli che si possono impostare con \fB tcpdump(1)\fP Un esauriente lettura della manpage di tcpdump(1) rendera' chiara la logica di questa opzione. .TP .B \-a Risolve i nomi degli host invece di mostrare indirizzi ip. \fBAttenzione\fP: per ogni nuovo indirizzo ip sniffato verra' generata una richiesta dns! Usare con cautela su dispositivi di rete ad alto traffico. .TP .B \-C --colors Usa colori e rende il terminale piu' allegro per aiutarti a leggere l'output. .TP .B \-D \fIn\fP \fB--dirs\fP \fIn\fP Crea directory per salvare le connessioni sniffate. Quando una directory arriva a contenere \fIn\fP sessioni, una nuova directory viene creata. .TP .B \-e \fInum\fP Esce quando \fInum\fP pacchetti sono stati catturati. .TP .B \-E \fIn\fP Esce quando \fIn\fP connessioni sono state tracciate (ovvero il loro stato e' "CLOSED") .TP .B \-Ef \fIn\fP Esce quando \fBle prime\fP \fIn\fP connessioni sono identificate come "CLOSED" .TP .B \-F1 \-F2 \--filenaming 1|2 sceglie la tipologia di nome per i file delle sessioni sniffate .br \fB \-F1 \fP: tcpick_\fBclientip\fP_\fBserverip\fP.\fBside\fP.dat .br (\fBside\fP puo' essere \fBclnt\fP, \fBserv\fP o \fBboth\fP) .br \fB \-F2 \fP: tcpick_\fBconnectionnumber\fP_\fBclientip\fP_\fBserverip\fP.\fBside\fP.dat .TP .B \-h Mostra ip e porta sorgente e destinazione. Mostra i flag TCP come lettere. .TP .B \--help Mostra un breve messaggio d'aiuto con il riassunto delle opzioni disponibili. .TP .B \-p \fINon imposta\fP l'interfaccia di rete in modalita' promisqua. Attenzione pero': l'interfaccia potrebbe essere in modalita' promisqua per qualche altra ragione. .TP .B \-S Sopprime la visualizzasione dello stato della connessione. .TP .B \--separator Aggiunge un separatore ai pacchetti. .TP .B \-t Visualizza il tempo (timestamp) in questo formato: \fBore:minuti:secondi:microsecondi\fP .TP .B \-td Esattamente come \fB-t\FP con l'aggiunta della data nel formato \fBgiorno-mese-anno\fP .TP .B \-T \fIn\fI Traccia solo \fIn\fP connessioni. Molto utile per reti ad elevato traffico. Se \fIn\fP non e' stato specificato, viene impostato a \fB1\fP. .TP .B \-Tf \fIn\fP Traccia \fBsolo le prime\fP \fIn\fP connessioni; le successive saranno ignorate. Se \fIn\fP non e' stato specificato, viene impostato a \fB1\fP. .TP .B \-v \fIverbosity\fP Opzione che probabilmente verra' rimossa. Imposta il livello di "verbosita'" Attualmente non ci sono molti messaggi extra da visualizzare. \fB-v1\fP e' impostato di default. Impostare la verbosita' a \fB0\fP (\fB-v0\fP) per sopprimere ogni messaggio ad eccezione degli errori. Non ci sono altri livelli di "verbosita'". .TP .B \-X \fItimeout\fI Le connessioni vengono considerate \fBEXPIRED\fP (scadute) quando non vengono scambiati pacchetti per almeno \fItimeout\fP secondi. Di default sono 600 secondi. .TP .B \--version Mostra la versione di tcpick .SH VISUALIZZARE I DATI CONTENUTI NEI PACCHETTI Queste opzioni hanno come prefisso \fB-y\fP e sono utili per mostrare in svariati formati il contenuto dei pacchetti (payload), ovvero i dati che vengono trasferiti a livello applicazione non appena arrivano all'interfaccia di rete selezionata. Questa opzione non sopprime i pacchetti tcp duplicati e non c'e' neanche il riordino degli stessi, ma vengono mostrati "cosi' come sono". Per ottenere un flusso ricostruito e completamente riconosciuto (esattamente come fa lo stack di rete di un S.O.) leggi la descrizione del set di opzioni \fB-w\fP e \fB-b\fP. .TP .B \-yH Visualizza i dati come cifre esadecimali spaziate (per un hexdump vero e proprio si veda \fB-yx\fP e \fB-yX\fP). .TP .B \-yP Visualizza i dati contenuti nel pacchetto. Caratteri non stampabili vengono visualizzati come punti: "\fB.\fP". Il carattere di nuova riga e le tabulazioni non vengono convertite in punti. Questo e' probabilmente il modo migliore per vedere con semplicita' richieste HTTP, comunicazioni IRC, sessioni SMTP eccetera. .TP .B \-yR Modalita' "raw". Visualizza tutti i caratteri, stampabili e non. Se qualcosa di binario (o compresso) viene trasferito, l'effetto sara' probabilmente come visualizzare con "\fBcat\fP" un file zippato. .TP .B \-yx Visualizza i dati in un dump esadecimale con 16 bytes per ogni riga. .TP .B \-yX Visualizza i dati come \fB-yx\fP con l'aggiunta della corrispettiva stringa ascii nella stessa riga. .TP .B \-yU Visualizza i dati come \fB-yP\fP, ma i caratteri non stampabili vengono visualizzati come valori esadecimali racchiusi tra parentesi angolari. .SH RICOSTRUIRE IL FLUSSO E SALVARLO SU FILE Il prefisso di queste opzioni e' \fB-w\fP. Attivando questa opzione le sessioni sniffate vengono salvate su file nella directory corrente. Il flusso viene ricostruito, riordinato e i pacchetti duplicati vengono tralasciati. In questo modo e' possibile sniffare interi file trasmessi via ftp (per fare un esempio) senza corruzione dei dati (si puo' verificare con md5sum). Con il flag \fBu\fP dell'opzione \fB-w\fP (p.es. \fB-wRu\fP) i dati di entrambi client e server verranno salvati su un unico file. Altrimenti i file saranno due e i flussi ben separati. Usando il flag addizionale \fBb\fP all'opzione \fB-wu\fP (p.es. \fB-wPub\fP), nel file sara' scritto questo banner .br \fB[client|server] offset prima:offset dopo (lunghezza del segmento ricostruito)\fP .br per distinguere tra dati del client e del server nello stesso file .br Se non viene attribuito nessun flag all'opzione \fB-w\fP i dati saranno scritti come con \fB-wR\fP. E' possibile decidere di salvare i dati dei soli client o dei soli server impostando il flag \fBC\fP (solo dati del client) oppure \fBS\fP (solo dati del server) all'opzione \fB-w\fP. .TP .B \-wR Questa e' l'opzione preferita: i dati vengono scritti senza alcun cambiamento. Utilissima per sniffare dati binari, compressi o criptati. .br (\fB-wRC\fP solo il client, \fB-wRS\fP solo il server) .TP .B \-wP Caratteri stampabili vengono scritti come punti. .br (\fB-wPC\fP solo il client, \fB-wPS\fP solo il server) .TP .B \-wU Caratteri non stampabili vengono scritti come esadecimali tra parentesi angolari. .br (\fB-wPC\fP solo il client, \fB-wPS\fP solo il server) .TP .B \-wH Il flusso e' scritto sotto forma di esadecimali spaziati .br (\fB-wHC\fP solo il client, \fB-wHS\fP solo il server) .SH VISUALIZZARE IL FLUSSO RICOSTRUITO Il prefisso per queste opzioni e' \fB-b\fP. Questo set di opzioni e' molto utile nell'intento di redirigere il flusso sniffato verso un'altro programma tramite il pipe, e non ci dovrebbe essere corruzione dei dati. Naturalmente il piu' utile e' \fB-bR\fP per utilizzare i dati cosi' come sono (raw). Una funzionalita' molto utile e' \fBC\fP (visualizza solo il client) e \fBS\fP (visualizza solo il server). p.es.: \fB-bRC\fP mostrera' in formato "raw" solo i dati dal client. I flag del set di opzioni \fB-b\fP sono molto simili a \fB-y\fP: .TP \fB -bH \fP esadecimale spaziato (\fB-bHC\fP solo il client, \fB-bHS\fP solo il server) .TP \fB -bP \fP caratteri non stampabili visualizzati come punti (\fB-bPC\fP solo il client, \fB-bPS\fP solo il server) .TP \fB -bR \fP modalita' raw (\fB-bRC\fP solo il client, \fB-bRS\fP solo il server) .TP \fB -bU \fP caratteri non stampabili come esadecimali tra parentesi angolari. (\fB-bUC\fP solo il client, \fB-bUS\fP solo il server) .TP \fB -bx \fP hexdump (\fB-bxC\fP solo il client, \fB-bxS\fP solo il server) .TP \fB -bU \fP hexdump + ascii (\fB-bXC\fP solo il client, \fB-bXS\fP solo il server) .TP \fB -PC --pipe client \fP E' un alias di \fB-bRC -S -v0 -Tf1 -Ef1\fP. Con questa opzione puoi tracciare la prima connessione (\fB-T1\fP) e i dati vengono visualizzato come "raw". Solo i dati che provengono dal client vengono scritti sullo stdout. Tutti i messaggi vengono soppressi, ad eccezione degli errori (\fB-S -v0\fP). L'intenzione di questa opzione alias e' di riassumere l'intento di scaricare per intero un flusso di dati di una sessione tcp. .TP \fB -PS --pipe server \fP E' un alias di \fB-bRS -S -v0 -Tf1 -Ef1\fP. .SH EXAMPLES .TP Visualizzare gli stati delle connessioni \fB # tcpick -i eth0 -C\fP .TP Visualizzare il contenuto del pacchetto e una stringa riassuntiva dell'header: \fB # tcpick -i eth0 -C -yP -h -a\fP .TP Visualizzare le email inviate da un utente \fB # tcpick -i eth0 -C -bCU -T1 "port 25"\fP .TP scaricare file in maniera passiva \fB # tcpick -i eth0 -wR "port ftp-data"\fP .TP loggare i dati http in file unici (client e server sono mescolati): \fB # tcpick -i eth0 "port 80" -wRub\fP .TP redirigere la prima connessione verso un software \fB # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz\fP .br \fB # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25\fP .SH MAILING-LIST Indirizzo: \fI\fP .br Archivio: \fIhttp://sourceforge.net/mailarchive/forum.php?forum=tcpick-project\fP .br Iscrizione: \fIhttp://lists.sourceforge.net/lists/listinfo/tcpick-project\fP .br Se hai qualche nuova idea, patch, richiesta di funzionalita' o semplicemente necesiti di aiuto, scrivi in mailing-list! .SH TCPICK SUL WEB La home-page di tcpick e': \fIhttp://tcpick.sf.net\fP. .br La pagina di progetto invece e' qui': \fIhttp://sourceforge.net/projects/tcpick\fP kindly hosted by the sourceforge team. .SH AUTORI Controlla il file \fBAUTHORS\fP. .SH BACHI Bachi? Ci sono bachi? Beh, tcpick non e' certo un software perfetto, e se hai qualche problema controlla il file \fBKNOWN-BUGS\fP. .br Sembra che su alcune versioni di MacOSX capiti un Segmentation Fault e ci siano problemi nel tracciamento delle connessioni. .br Se trovi bachi, scrivi alla mailing-list. .SH VEDERE ANCHE Altri simpatici sniffer: .br tcpdump, ngrep, tcptrack, ettercap, ethereal, snort .SH LICENZA Tcpick e' rilasciato con la licenza GNU GPL. Per ulteriori informazioni leggere il file COPYING (in inglese). .SH Principio di Shaw: .br Fai un programma che anche un idiota puo' usare, .br e soltanto un idiota vorra' usarlo. .brtcpick-0.2.1/INSTALL.it0000644000175100017510000000200710165254727011366 00000000000000================= INSTALLARE TCPICK ================= Installazione veloce ==================== (dovrebbe funzionare sul 99% dei sistemi *nix) Dopo essersi accertati che le librerie libpcap siano correttamente installate digitare: $ ./configure $ make $ su - # make install Nel caso le librerie libpcap non siano installate nel sistema, e' possibile scaricare l'ultima versione da questo url: http://www.tcpdump.org/ IN CASO DI PROBLEMI NELLA CONFIGURAZIONE - SOLO PER ESPERTI: In qualche sistema unix ci potrebbero essere problemi nella configurazione con lo script ./configure Se ti senti impavido puoi modificare manualmente questi file: ./Makefile.EDITME ./src/Makefile.EDITME ./src/config.h.EDITME e poi rinominarli in: ./Makefile ./src/Makefile ./src/config.h A questo punto ti offrirei una birra (virtuale) se mi notifichi il problema che hai riscontrato (e su quale sistema operativo) e io cerchero' di fixare tutti i bachi del ./configure. Per ulteriori informazioni leggere il file INSTALL (in inglese)tcpick-0.2.1/OPTIONS0000644000175100017510000002651110173301025010765 00000000000000tcpick(8) tcpick(8) NAME tcpick - tcp stream sniffer and connection tracker SYNOPSIS tcpick [ -a ] [ -n ] [ -C ] [ -e count ] [ -i interface | -r file ] [ -X timeout ] [ -D ] [ -F1 | -F2 ] [ -yH | -yP | -yR | -yU | -yx | -yX ] [ -bH | -bP | -bR | -bU | -bx | -bX ] [ -wH[ub] | -wP[ub] | -wR[ub] | -wU[ub] ] [ -v [ verbosity ]] [ -S ] [ -h ] [ --separator ] [ -T | -Tf [ number ]] [ -E | -Ef [ number ]] [ -Pc | -Ps ] [ "filter" ] [ --help ] [ --version ] DESCRIPTION tcpick is a textmode sniffer libpcap-based that can track tcp streams and saves the data captured in different files, each for every connec- tion, or displays them in the terminal in different formats (hexdump, printable charachters, raw...) Useful for picking files in a passive way. It is useful to keep track of what users of a network are doing, and is usable with textmode tools like grep, sed, awk. Happy data hunting :-) BASE OPTIONS -i --interface interface listen on selected interface, (i.e. ppp0 or eth0). If option -i is omitted, tcpick is able to select the first open interface (usually a ethernet card). -r --readfile reads raw packets from a file written with tcpdump -w instead of using a network device. "filter" This is the filter for the capturer engine. You can set it in the same way of setting the tcpdump(1) filter. Read tcpdump(1) manpage for other explanations. -a Displays host names instead of ip addresses. Warning: for every new ip grabbed a dns query will be generated! Use it carefully on high-traffic network devices! -C --colors Uses terminal colors: very nice! It should help you to read the output of tcpick -D number --dirs number Create directories to store sniffed sessions. When a directory contains number sessions, a new one will be created. -e count Exits when count packets have been sniffed -E number Exit when number sniffed connections are detected as "CLOSED" -Ef number Exit when the first number connections are detected as "CLOSED" -F1 -F2 --filenaming 1|2 Choose the filenaming system. -F1 : tcpick_clientip_serverip.side.dat (side means clnt, serv or both) -F2 : tcpick_connectionnumber_clientip_serverip.side.dat -h Shows source and destination ip and port; shows tcp flags as letters. --help Displays a short help summary -p Don't put the network interface in promiscuous mode. Note that the interface might be in promiscuous mode for some other reason. -S Suppresses the "status of the connection" banner. --separator Add a separator for the payloads displayed. -t Adds timestamp in hour:minutes:seconds:microseconds format -td Like -t with date timestamp in day-month-year format -T number Track number connections. It could be very useful on a high- traffic network device. If number is not specified, it will be set to 1. -Tf number Track only the first number connections; the following will be discarded. If number is not specified, it will be set to 1. -v verbosity Quite unuseful, yet. Set verbosity level. Actually there are not really many extra messages to display, this means it is enabled by default (-v1). Set verbosity level to 0 to suppress extra messages (-v0) except error messages. Set verbosity level to 5 to display debug messages (-v5). There are not other verbosity levels. -X timeout Connections are considered EXPIRED when there is no traffic for at least timeout seconds. Default is 600. --version Displays the tcpick version DISPLAY THE DATA IN THE TCP PACKETS These options are prefixed by -y and are useful to display in various ways the content of the packet sniffed (the data, called payload), once it arrives at the listening interface. In that way the tcp duplicates will be not discarded and the packets will not be reordered, but dis- played "as is". If you want a fully acknowledged stream, see the -w and -b set of options. -yH View data in hexadecimal-spaced mode (for the hexdump see -yx and -yX options. -yP Shows data contained in the tcp packets. Non-printable charachters are transformed in dots: ".". Newline character is preserved. This is the best way, in my opinion to show data like HTTP requests, IRC communication, SMTP stuff and so on. -yR Displays all kind of charachters, printable and non printable. If something binary is transmitted, the effect will probably be like watching with "cat" at a gzipped file. -yx Shows all data after the header in hexadecimal dump of 16 bytes per line. -yX Shows all data after the header in hexadecimal and ascii dump with 16 bytes per line. -yU Shows all data after the header, but Unprintable charachters are displayed as hexadecimal values between a "<" and a ">" symbol. REBUILD AND WRITE THE TCP STREAM TO FILE The prefix for these options is -w. The TCP stream that has been sniffed with these options will be written to file named: client___.tcpick and server___.tcpick With the u flag of the -w option (i.e. -wRu) both client and server data will be written to a unique file named in that way: __.tcpick If you use the additional flag b of the -w option (i.e. -wPub), in the file will be written this banner: [client|server] offset before:offset after (lenght of rebuilded seg- ment) to distinguish between client and server data. The flow is rebuilded, reordered and the duplicates are dropped. In that way it is possible to sniff entire files transmitted via ftp with- out data corruption (you can see this with md5sum). If no argument is given to -w the data will be written like -wR You can decide to write only client or server data by setting the flag C (output only client data) and S (output only server data) to the -w set. -wR This is the preferred option: data will be written without any changes. Useful for sniffing binary or compressed files. (-wRC only the client, -wRS only the server) -wP Unprintable charachters are written like dots. (-wPC only the client, -wPS only the server) -wU Unprintable charachters are displayed as hexadecimal values between a "<" and a ">" symbol. (-wPC only the client, -wPS only the server) -wH The flow is written in hexadecimal-spaced mode. (-wHC only the client, -wHS only the server) DISPLAY THE REBUILDED TCP STREAM The prefix for these options is -b. This set of options is very useful if you want to redirect the sniffed flow to anoter program with a pipe, and there should be no data corruption. Of course the most useful is -bR to show the data as they are (raw). A very useful feature is the flag C (output only client data) and S (output only server data). I.e.: -bRC will display only the data from the client in raw mode; in that way you can put them in a file with a pipe redirection. The sub-options are quite the same of the -y set, so you have: -bH hex-spaced (-bHC only the client, -bHS only the server) -bP unprintable displayed as dots (-bPC only the client, -bPS only the server) -bR raw mode (-bRC only the client, -bRS only the server) -bU unprintable as . (-bUC only the client, -bUS only the server) -bx hexdump (-bxC only the client, -bxS only the server) -bU hexdump + ascii (-bXC only the client, -bXS only the server) -PC --pipe client This is an alias for -bRC -S -v0 -Tf1 -Ef1. With this option you are able to track only the first connection (-T1) matched by tcpick and data are displayed as raw. Only data from the client are put on stdout. All messages and banners are suppressed, except error messages (-S -v0), so this option is particulary useful to download an entire fully rebuilded and acknowledged connection. -PS --pipe server This is an alias for -bRS -S -v0 -Tf1 -Ef1. EXAMPLES how to display the connection status: # tcpick -i eth0 -C display the payload and packet headers: # tcpick -i eth0 -C -yP -h -a display client data only of the first smtp connection: # tcpick -i eth0 -C -bCU -T1 "port 25" download a file passively: # tcpick -i eth0 -wR "port ftp-data" log http data in unique files (client and server mixed together): # tcpick -i eth0 "port 80" -wRub redirect the first connection to a software: # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 MAILING-LIST Address: Archive: http://sourceforge.net/mailarchive/forum.php?forum=tcpick- project Subscribe: http://lists.sourceforge.net/lists/listinfo/tcpick-project If you have new ideas, patches, feature requests or simply need help, don't wait! I will be grateful if you send a message to the mailing list (even if you want to say what you liked most on tcpick). TCPICK WEBSITE The tcpick website is at http://tcpick.sf.net. You can find the project page here: http://sourceforge.net/projects/tcpick kindly hosted by the sourceforge team. AUTHORS Please check AUTHORS file. BUGS Tcpick is an experimental software, and maybe some bugs are described in the KNOWN-BUGS file. On some versions of MacOSX Segmentation Fault happens and connections aren't tracked properly. If you find any other bug, please write to the tcpick mailing list. SEE ALSO Other nice packet/data sniffers: tcpdump, ngrep, tcptrack, ettercap, ethereal, snort LICENSE This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at you option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. tcpick(8) tcpick-0.2.1/OPTIONS.it0000644000175100017510000003032510173301025011376 00000000000000tcpick(8) tcpick(8) NAME tcpick - sniffer tracciatore di connessioni SYNOPSIS tcpick [ -a ] [ -n ] [ -C ] [ -e num ] [ -i interfaccia | -r file ] [ -X timeout ] [ -D ] [ -F1 | -F2 ] [ -yH | -yP | -yR | -yU | -yx | -yX ] [ -bH | -bP | -bR | -bU | -bx | -bX ] [ -wH[ub] | -wP[ub] | -wR[ub] | -wU[ub] ] [ -v [ verbosity ]] [ -S ] [ -h ] [ --separator ] [ -T | -Tf [ n ]] [ -E | -Ef [ n ]] [ -Pc | -Ps ] [ "filter" ] [ --help ] [ --version ] DESCRIZIONE tcpick e' uno sniffer con interfaccia testuale basato sulle celeberrime librerie libpcap. Tra le sue funzioni quelle piu' importanti sono la capacita' di tracciare flussi di dati trasferiti mediante il protocollo tcp e la possibilita' di salvare i dati catturati all'interno di files, oppure di visualizzarli direttamente nel terminale. Puo' essere uti- lizzato per il download passivo di file trasferiti via ftp (per l'http e' neccessaria una ulteriore decodifica a livello applicazione). Tra le modalita' di visualizzazione dei dati ci sono: esadecimale, esadeci- male con ascii (ovvero il classico hexdump), visualizzazione dei soli caratteri stampabili, modalita' "raw" ecc. E' disponibile anche una modalita' a colori per rendere l'output piu' leggibile. Se viene posizionato su un gateway puo' essere utilizzato per osservare le attivita' degli utenti di una rete interna. Inoltre e' adatto ad essere utilizzato con strumenti testuali a riga di comando come grep, sed e awk. OPZIONI BASE -i --interface interfaccia di rete ascolta l'interfaccia selezionata, (p.es. ppp0 o eth0). Se non e' stata impostata l'opzione -i, tcpick selezionera' di default il primo dispositivo disponibile. -r --readfile legge i pacchetti da un file generato mediante tcpdump -w invece di utilizzare un interfaccia di rete ordinaria. "filtro" E' possibile impostare un filtro come quelli che si possono impostare con tcpdump(1) Un esauriente lettura della manpage di tcpdump(1) rendera' chiara la logica di questa opzione. -a Risolve i nomi degli host invece di mostrare indirizzi ip. Attenzione: per ogni nuovo indirizzo ip sniffato verra' generata una richiesta dns! Usare con cautela su dispositivi di rete ad alto traffico. -C --colors Usa colori e rende il terminale piu' allegro per aiutarti a leg- gere l'output. -D n --dirs n Crea directory per salvare le connessioni sniffate. Quando una directory arriva a contenere n sessioni, una nuova directory viene creata. -e num Esce quando num pacchetti sono stati catturati. -E n Esce quando n connessioni sono state tracciate (ovvero il loro stato e' "CLOSED") -Ef n Esce quando le prime n connessioni sono identificate come "CLOSED" -F1 -F2 --filenaming 1|2 sceglie la tipologia di nome per i file delle sessioni sniffate -F1 : tcpick_clientip_serverip.side.dat (side puo' essere clnt, serv o both) -F2 : tcpick_connectionnumber_clientip_serverip.side.dat -h Mostra ip e porta sorgente e destinazione. Mostra i flag TCP come lettere. --help Mostra un breve messaggio d'aiuto con il riassunto delle opzioni disponibili. -p Non imposta l'interfaccia di rete in modalita' promisqua. Attenzione pero': l'interfaccia potrebbe essere in modalita' promisqua per qualche altra ragione. -S Sopprime la visualizzasione dello stato della connessione. --separator Aggiunge un separatore ai pacchetti. -t Visualizza il tempo (timestamp) in questo formato: ore:minuti:secondi:microsecondi -td Esattamente come -t con l'aggiunta della data nel formato giorno-mese-anno -T n Traccia solo n connessioni. Molto utile per reti ad elevato traffico. Se n non e' stato specificato, viene impostato a 1. -Tf n Traccia solo le prime n connessioni; le successive saranno igno- rate. Se n non e' stato specificato, viene impostato a 1. -v verbosity Opzione che probabilmente verra' rimossa. Imposta il livello di "verbosita'" Attualmente non ci sono molti messaggi extra da visualizzare. -v1 e' impostato di default. Impostare la ver- bosita' a 0 (-v0) per sopprimere ogni messaggio ad eccezione degli errori. Non ci sono altri livelli di "verbosita'". -X timeout Le connessioni vengono considerate EXPIRED (scadute) quando non vengono scambiati pacchetti per almeno timeout secondi. Di default sono 600 secondi. --version Mostra la versione di tcpick VISUALIZZARE I DATI CONTENUTI NEI PACCHETTI Queste opzioni hanno come prefisso -y e sono utili per mostrare in svariati formati il contenuto dei pacchetti (payload), ovvero i dati che vengono trasferiti a livello applicazione non appena arrivano all'interfaccia di rete selezionata. Questa opzione non sopprime i pacchetti tcp duplicati e non c'e' neanche il riordino degli stessi, ma vengono mostrati "cosi' come sono". Per ottenere un flusso ricostruito e completamente riconosciuto (esattamente come fa lo stack di rete di un S.O.) leggi la descrizione del set di opzioni -w e -b. -yH Visualizza i dati come cifre esadecimali spaziate (per un hex- dump vero e proprio si veda -yx e -yX). -yP Visualizza i dati contenuti nel pacchetto. Caratteri non stampa- bili vengono visualizzati come punti: ".". Il carattere di nuova riga e le tabulazioni non vengono convertite in punti. Questo e' probabilmente il modo migliore per vedere con sem- plicita' richieste HTTP, comunicazioni IRC, sessioni SMTP eccetera. -yR Modalita' "raw". Visualizza tutti i caratteri, stampabili e non. Se qualcosa di binario (o compresso) viene trasferito, l'effetto sara' probabilmente come visualizzare con "cat" un file zippato. -yx Visualizza i dati in un dump esadecimale con 16 bytes per ogni riga. -yX Visualizza i dati come -yx con l'aggiunta della corrispettiva stringa ascii nella stessa riga. -yU Visualizza i dati come -yP, ma i caratteri non stampabili ven- gono visualizzati come valori esadecimali racchiusi tra par- entesi angolari. RICOSTRUIRE IL FLUSSO E SALVARLO SU FILE Il prefisso di queste opzioni e' -w. Attivando questa opzione le ses- sioni sniffate vengono salvate su file nella directory corrente. Il flusso viene ricostruito, riordinato e i pacchetti duplicati vengono tralasciati. In questo modo e' possibile sniffare interi file trasmessi via ftp (per fare un esempio) senza corruzione dei dati (si puo' veri- ficare con md5sum). Con il flag u dell'opzione -w (p.es. -wRu) i dati di entrambi client e server verranno salvati su un unico file. Altrimenti i file saranno due e i flussi ben separati. Usando il flag addizionale b all'opzione -wu (p.es. -wPub), nel file sara' scritto questo banner [client|server] offset prima:offset dopo (lunghezza del segmento ricostruito) per distinguere tra dati del client e del server nello stesso file Se non viene attribuito nessun flag all'opzione -w i dati saranno scritti come con -wR. E' possibile decidere di salvare i dati dei soli client o dei soli server impostando il flag C (solo dati del client) oppure S (solo dati del server) all'opzione -w. -wR Questa e' l'opzione preferita: i dati vengono scritti senza alcun cambiamento. Utilissima per sniffare dati binari, com- pressi o criptati. (-wRC solo il client, -wRS solo il server) -wP Caratteri stampabili vengono scritti come punti. (-wPC solo il client, -wPS solo il server) -wU Caratteri non stampabili vengono scritti come esadecimali tra parentesi angolari. (-wPC solo il client, -wPS solo il server) -wH Il flusso e' scritto sotto forma di esadecimali spaziati (-wHC solo il client, -wHS solo il server) VISUALIZZARE IL FLUSSO RICOSTRUITO Il prefisso per queste opzioni e' -b. Questo set di opzioni e' molto utile nell'intento di redirigere il flusso sniffato verso un'altro pro- gramma tramite il pipe, e non ci dovrebbe essere corruzione dei dati. Naturalmente il piu' utile e' -bR per utilizzare i dati cosi' come sono (raw). Una funzionalita' molto utile e' C (visualizza solo il client) e S (visualizza solo il server). p.es.: -bRC mostrera' in formato "raw" solo i dati dal client. I flag del set di opzioni -b sono molto simili a -y: -bH esadecimale spaziato (-bHC solo il client, -bHS solo il server) -bP caratteri non stampabili visualizzati come punti (-bPC solo il client, -bPS solo il server) -bR modalita' raw (-bRC solo il client, -bRS solo il server) -bU caratteri non stampabili come esadecimali tra parentesi angolari. (-bUC solo il client, -bUS solo il server) -bx hexdump (-bxC solo il client, -bxS solo il server) -bU hexdump + ascii (-bXC solo il client, -bXS solo il server) -PC --pipe client E' un alias di -bRC -S -v0 -Tf1 -Ef1. Con questa opzione puoi tracciare la prima connessione (-T1) e i dati vengono visualiz- zato come "raw". Solo i dati che provengono dal client vengono scritti sullo stdout. Tutti i messaggi vengono soppressi, ad eccezione degli errori (-S -v0). L'intenzione di questa opzione alias e' di riassumere l'intento di scaricare per intero un flusso di dati di una sessione tcp. -PS --pipe server E' un alias di -bRS -S -v0 -Tf1 -Ef1. EXAMPLES Visualizzare gli stati delle connessioni # tcpick -i eth0 -C Visualizzare il contenuto del pacchetto e una stringa riassuntiva dell'header: # tcpick -i eth0 -C -yP -h -a Visualizzare le email inviate da un utente # tcpick -i eth0 -C -bCU -T1 "port 25" scaricare file in maniera passiva # tcpick -i eth0 -wR "port ftp-data" loggare i dati http in file unici (client e server sono mescolati): # tcpick -i eth0 "port 80" -wRub redirigere la prima connessione verso un software # tcpick -i eth0 --pipe client "port 80" | gzip > http_response.gz # tcpick -i eth0 --pipe server "port 25" | nc foobar.net 25 MAILING-LIST Indirizzo: Archivio: http://sourceforge.net/mailarchive/forum.php?forum=tcpick- project Iscrizione: http://lists.sourceforge.net/lists/listinfo/tcpick-project Se hai qualche nuova idea, patch, richiesta di funzionalita' o sem- plicemente necesiti di aiuto, scrivi in mailing-list! TCPICK SUL WEB La home-page di tcpick e': http://tcpick.sf.net. La pagina di progetto invece e' qui': http://source- forge.net/projects/tcpick kindly hosted by the sourceforge team. AUTORI Controlla il file AUTHORS. BACHI Bachi? Ci sono bachi? Beh, tcpick non e' certo un software perfetto, e se hai qualche problema controlla il file KNOWN-BUGS. Sembra che su alcune versioni di MacOSX capiti un Segmentation Fault e ci siano problemi nel tracciamento delle connessioni. Se trovi bachi, scrivi alla mailing-list. VEDERE ANCHE Altri simpatici sniffer: tcpdump, ngrep, tcptrack, ettercap, ethereal, snort LICENZA Tcpick e' rilasciato con la licenza GNU GPL. Per ulteriori informazioni leggere il file COPYING (in inglese). Principio di Shaw: Fai un programma che anche un idiota puo' usare, e soltanto un idiota vorra' usarlo. tcpick(8)