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Guy Harris 078ab458a6 Use the locale's decimal separator for times as seconds and fraction.
We use it when printing *other* seconds-and-fraction values, as we're
just using %f, so we should use it consistently.  If you don't want
commas as decimal separators, you presumably don't want them anywhere;
if you want to standardize the way numbers are shown, set the locale to
the C locale.

This addresses one of the two problems mentioned in bug 12500; there may
be other places in the Wireshark suite where we should use the locale's
decimal separator in times.

Change-Id: I41f1c44d12ebf0f46ff678c977a955d09831b0cf
Ping-Bug: 12500
Reviewed-on: https://code.wireshark.org/review/15787
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2016-06-09 01:13:29 +00:00
.tx Transifex: Add type of translation file 2015-10-22 08:10:11 +00:00
capchild *_stdup_printf -> strdup for "single string only" formatting. 2016-06-06 06:03:58 +00:00
caputils *_stdup_printf -> strdup for "single string only" formatting. 2016-06-06 06:03:58 +00:00
cmake Create a Wix Installer 2016-05-11 13:09:17 +00:00
codecs speex: Fix unknown option after ‘#pragma GCC diagnostic’ kind [-Werror=pragmas] 2016-05-22 05:39:36 +00:00
debian ieee80211_htrate() isn't exported. 2016-06-08 23:26:47 +00:00
diameter Add CiscoSystems, vendor id 9 AVPs 2016-05-20 17:18:01 +00:00
doc tshark man page: the first TCP stream is stream 0, not 1. 2016-06-01 04:30:50 +00:00
docbook 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
dtds Continue to remove $Id$ from top of file 2014-03-31 18:31:42 +00:00
echld *_stdup_printf -> strdup for "single string only" formatting. 2016-06-06 06:03:58 +00:00
epan Kafka: pass api_version to response and start to use it 2016-06-08 13:33:06 +00:00
extcap *_stdup_printf -> strdup for "single string only" formatting. 2016-06-06 06:03:58 +00:00
fix Remove all $Id$ from top of file 2014-03-04 14:27:33 +00:00
help Use file extension when capturing from multiple interfaces. 2016-06-02 11:13:42 +00:00
idl Geospatial and Imagery Access Service (GIAS) Dissector 2015-04-14 06:10:15 +00:00
image Update filter bookmark icons. 2016-01-30 22:02:42 +00:00
m4 autotools: Move OSX autoconf macros to ws_osx.m4 2016-05-12 11:19:04 +00:00
macosx-support-lib-patches Remove printing done for debugging/test purposes. 2014-07-27 20:14:18 +00:00
packaging Synchronize file type registrations from freedesktop to OS X. 2016-06-08 00:32:17 +00:00
plugins profinet: set ioDataObject structure to 0 2016-06-02 08:36:23 +00:00
profiles Rename Bluetooth OBEX dissector to OBEX 2016-02-08 06:06:19 +00:00
radius RADIUS: Update Aruba Dictionary 2016-04-08 10:22:00 +00:00
randpkt_core Add checkAPI calls to CMake. 2016-05-02 12:01:24 +00:00
test Test: Revert debugging output. 2016-05-27 18:44:10 +00:00
tools Add support in checkhf.pl for expert info. 2016-06-06 11:24:52 +00:00
tpncp Continue to remove $Id$ from top of file 2014-03-31 18:48:06 +00:00
ui Build 2.1.0. 2016-06-08 18:52:40 +00:00
wimaxasncp Fix a lot of typos and misspellings 2016-01-08 20:04:56 +00:00
wiretap Support reading in and storing multiple Section Header and Name Resolution blocks. 2016-06-08 03:39:49 +00:00
writecap Fix some copy/pasteos for writecap using doxygen 2016-03-26 00:51:14 +00:00
wsutil Move ip6_to_str_buf() to to_str.c and make it take the buffer length. 2016-06-06 22:00:41 +00:00
.bzrignore
.editorconfig Link version code statically again 2016-04-21 18:59:56 +00:00
.gitattributes Ensure that run_and_catch_crashes has UNIX/POSIX line endings 2015-06-04 21:06:12 +00:00
.gitignore Git: Add .vscode to .gitignore. 2016-05-05 17:46:58 +00:00
.gitreview
.mailmap Update .mailmap: fix duplicate entry or name typo 2016-06-06 06:23:56 +00:00
.travis.yml Update Travis to Trusty 2015-10-27 23:57:04 +00:00
AUTHORS Update .mailmap: fix duplicate entry or name typo 2016-06-06 06:23:56 +00:00
AUTHORS.src Update .mailmap: fix duplicate entry or name typo 2016-06-06 06:23:56 +00:00
CMakeLists.txt 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
CMakeListsCustom.txt.example [Custom plugins] CUSTOM_PLUGIN_IN_FILES is no longer required. 2015-11-24 12:01:33 +00:00
CMakeOptions.txt autotools: Reorder extra compiler warnings to come last 2016-03-25 00:49:30 +00:00
COPYING Always use html2text.py for FAQ, improve output 2015-03-25 07:08:52 +00:00
CPackConfig.txt CPack: WiX updates. 2016-01-01 01:00:08 +00:00
ChangeLog 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
ConfigureChecks.cmake Allow create_tempfile to support a suffix. 2016-06-01 06:24:05 +00:00
INSTALL Change a lot of http:// URLs to https://. 2015-03-10 19:30:50 +00:00
INSTALL.configure
Makefile.am Add CiscoSystems, vendor id 9 AVPs 2016-05-20 17:18:01 +00:00
Makefile.am.inc autotools: Add automake silent rule for ln -s 2016-05-19 01:13:53 +00:00
Makefile.common Link version code statically again 2016-04-21 18:59:56 +00:00
Makefile.nmake Run checkAPIs in epan/wmem/ 2016-05-13 16:01:38 +00:00
Makefile.nmake.inc Continue to remove $Id$ from top of file 2014-03-31 18:48:06 +00:00
NEWS Build 2.1.0. 2016-06-08 18:52:40 +00:00
README Apple calls it just "OS X" these days. 2015-11-10 21:08:45 +00:00
README.DECT Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.aix Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.bsd Set the minimum Qt version to 4.7. 2015-10-01 22:28:51 +00:00
README.cmake Fix typo in README.cmake 2016-03-26 10:08:17 +00:00
README.hpux Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.linux Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.macos Cleanups. 2015-11-17 22:36:16 +00:00
README.tru64 Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.vmware Continue to remove $Id$ from top of file 2014-03-31 16:00:04 +00:00
README.windows Change a lot of http:// URLs to https://. 2015-03-10 19:30:50 +00:00
Vagrantfile Vagrant setup fixes 2015-06-25 15:24:06 +00:00
abi-descriptor.template Fix 'make dumpapi' target 2015-11-23 07:50:57 +00:00
acinclude.m4 autotools: Move OSX autoconf macros to ws_osx.m4 2016-05-12 11:19:04 +00:00
autogen.sh Require automake 1.11 and move AM_SILENT_RULES macro 2016-05-10 15:15:48 +00:00
capinfos.c Use the locale's decimal separator for times as seconds and fraction. 2016-06-09 01:13:29 +00:00
capture_info.c Don't limit capture packet counts to a fixed set of protocols. 2015-12-22 05:23:06 +00:00
capture_info.h Don't limit capture packet counts to a fixed set of protocols. 2015-12-22 05:23:06 +00:00
capture_opts.c Allow/Create an option to use "capture filter" labels defined in wireshark GUI from CLI 2016-01-27 13:40:24 +00:00
capture_opts.h Start deprecating the capture info API. 2015-12-13 04:25:13 +00:00
capture_stop_conditions.c Clean up includes of unistd.h, fcntl.h, and sys/stat.h. 2015-11-07 21:52:23 +00:00
capture_stop_conditions.h Add editor modelines; Adjust whitespace as needed. 2014-10-12 18:58:32 +00:00
captype.c Link version code statically again 2016-04-21 18:59:56 +00:00
cfile.c Making wiretap option blocks more generic. 2016-02-23 00:39:38 +00:00
cfile.h Qt: Select matching tree item and bytes in Find Packet 2016-02-23 18:30:48 +00:00
cfilters Use MAC address documentation range in filter examples 2015-08-19 08:33:24 +00:00
cmakeconfig.h.in Allow create_tempfile to support a suffix. 2016-06-01 06:24:05 +00:00
colorfilters OSPF database packets and OSPF hellos in DC mode are unicast. At 2015-08-22 01:50:26 +00:00
conditions.c Modify includes of config.h so that out-of-tree builds, i.e. CMake 2014-08-24 08:04:08 +00:00
conditions.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
config.guess Update config.guess and config.sub to latest upstream version 2016-03-23 01:04:38 +00:00
config.h.win32 Allow create_tempfile to support a suffix. 2016-06-01 06:24:05 +00:00
config.nmake 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
config.sub Update config.guess and config.sub to latest upstream version 2016-03-23 01:04:38 +00:00
configure.ac 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
dfilter_macros
dfilters dfilter: Add membership operator 2015-09-11 06:31:33 +00:00
dftest.c Make init_progfile_dir() take a function pointer [-Wpedantic] 2015-12-14 23:52:28 +00:00
doxygen.cfg.in Continue to remove $Id$ from top of file 2014-03-31 18:48:06 +00:00
doxygen_global.cfg Upgrade doxygen configuration (with doxyen 1.8) 2014-04-14 20:31:42 +00:00
dumpcap.c Use file extension when capturing from multiple interfaces. 2016-06-02 11:13:42 +00:00
echld_test.c Fix some files to pass the pre-commit hook script. 2015-05-17 21:01:03 +00:00
editcap.c Add data structures necessary to support multiple Name Resolution blocks. 2016-06-01 22:58:06 +00:00
extcap.c Allow create_tempfile to support a suffix. 2016-06-01 06:24:05 +00:00
extcap.h Fix building without extcap enabled 2016-03-21 17:10:21 +00:00
extcap_parser.c extcap_parser: remove const warning. 2016-04-22 21:33:47 +00:00
extcap_parser.h extcap: Add Save functionality to options dialog 2016-02-01 12:12:41 +00:00
file.c Add data structures necessary to support multiple Name Resolution blocks. 2016-06-01 22:58:06 +00:00
file.h Don't show a progress bar when previewing for the Qt print dialog. 2016-03-01 02:53:44 +00:00
fileset.c Fix memleaks related to get_dirname 2016-02-04 04:57:30 +00:00
fileset.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
filter_files.c Allow/Create an option to use "capture filter" labels defined in wireshark GUI from CLI 2016-01-27 13:40:24 +00:00
filter_files.h Allow/Create an option to use "capture filter" labels defined in wireshark GUI from CLI 2016-01-27 13:40:24 +00:00
frame_tvbuff.c Don't add the wiretap directory to the list of include directories. 2016-02-18 12:55:26 +00:00
frame_tvbuff.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
globals.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
ipmap.html
log.h Replace tabs by spaces when editor modelines has "expandtab" 2015-02-13 17:34:53 +00:00
macosx-setup.sh Install GNU autotools even on Snow Leopard. 2016-03-30 21:30:58 +00:00
make-version.pl 2.1.0 → 2.1.1. 2016-06-08 21:58:16 +00:00
manuf Fix a mac collision in wka.tmpl. 2016-06-06 10:15:22 +00:00
manuf.tmpl Add short name for CableLabs. 2014-04-21 18:06:50 +00:00
mergecap.c Link version code statically again 2016-04-21 18:59:56 +00:00
mkcap.c Replace deprecated function by not deprecated function. 2015-05-01 00:14:30 +00:00
pdml2html.xsl Fix a lot of typos and misspellings 2016-01-08 20:04:56 +00:00
randpkt.c Include ws_diag_control.h in config.h 2016-04-04 23:05:31 +00:00
rawshark.c Have fvalue_to_string_repr always return an (wmem) allocated buffer. 2016-05-10 22:49:08 +00:00
register.h Added Reload Lua plugins. 2015-08-11 12:09:07 +00:00
reordercap.c Add data structures necessary to support multiple Name Resolution blocks. 2016-06-01 22:58:06 +00:00
ringbuffer.c Clean up includes of unistd.h, fcntl.h, and sys/stat.h. 2015-11-07 21:52:23 +00:00
ringbuffer.h Don't include "file.h" if you don't need it. 2015-11-04 08:46:30 +00:00
services [Automatic update for 2016-06-05] 2016-06-05 15:11:31 +00:00
smi_modules
summary.c Directly use wtap_opttypes calls to fetch SHB options. 2016-06-06 00:22:21 +00:00
summary.h Directly use wtap_opttypes calls to fetch SHB options. 2016-06-06 00:22:21 +00:00
sync_pipe.h Revert "Windows: Wait for dumpcap to initialize." 2016-04-28 00:12:31 +00:00
sync_pipe_write.c Windows: Remove the need for _CRT_NONSTDC_NO_DEPRECATE. 2016-04-13 02:16:20 +00:00
text2pcap-scanner.l [text2pcap] Fix parsing of hash sign at the end of the line 2016-02-04 05:13:16 +00:00
text2pcap.c Link version code statically again 2016-04-21 18:59:56 +00:00
text2pcap.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
tfshark.c Link version code statically again 2016-04-21 18:59:56 +00:00
trigcap.c Add editor modelines; Adjust whitespace as needed. 2014-10-12 18:58:32 +00:00
tshark.c Add data structures necessary to support multiple Name Resolution blocks. 2016-06-01 22:58:06 +00:00
vagrant_build.sh tools: permit setting BIN_DIR in the environment 2015-06-26 06:52:58 +00:00
vagrant_provision.sh Qt: Initial RTP playback. 2015-10-02 18:26:05 +00:00
wireshark-gtk.desktop Change "System" category to "Network" in desktop files 2016-03-04 16:07:31 +00:00
wireshark-mime-package.xml Synchronize file type registrations from freedesktop to OS X. 2016-06-08 00:32:17 +00:00
wireshark-qt.cpp Qt: add some cleanup function calls missing when leaving application 2016-05-13 12:53:56 +00:00
wireshark.appdata.xml Add an appdata entry for Wireshark. 2015-02-18 01:50:56 +00:00
wireshark.desktop Register a few more file extensions as belonging to Wireshark. 2016-06-01 04:30:19 +00:00
wireshark.dox
wireshark.pc.in Generate better pkg-config file 2016-01-04 08:15:29 +00:00
wka.tmpl Fix a mac collision in wka.tmpl. 2016-06-06 10:15:22 +00:00
ws_diag_control.h Add clang-specific DIAG_OFF pragma 2016-05-22 04:55:47 +00:00
ws_symbol_export.h Always put editor-modelines at the end of the file ... 2014-10-14 20:08:29 +00:00
ws_version_info.c Link version code statically again 2016-04-21 18:59:56 +00:00
ws_version_info.h Link version code statically again 2016-04-21 18:59:56 +00:00

README

General Information
------- -----------

Wireshark is a network traffic analyzer, or "sniffer", for Unix and
Unix-like operating systems.  It uses GTK+, a graphical user interface
library, and libpcap, a packet capture and filtering library.

The Wireshark distribution also comes with TShark, which is a
line-oriented sniffer (similar to Sun's snoop, or tcpdump) that uses the
same dissection, capture-file reading and writing, and packet filtering
code as Wireshark, and with editcap, which is a program to read capture
files and write the packets from that capture file, possibly in a
different capture file format, and with some packets possibly removed
from the capture.

The official home of Wireshark is

    http://www.wireshark.org

The latest distribution can be found in the subdirectory

    http://www.wireshark.org/download


Installation
------------

Wireshark is known to compile and run on the following systems:

  - Linux (2.0 and later kernels, various distributions)
  - Solaris (2.5.1 and later)
  - FreeBSD (2.2.5 and later)
  - NetBSD
  - OpenBSD
  - OS X (10.2 and later)
  - HP-UX (10.20, 11.00, 11.11)
  - Sequent PTX v4.4.5  (Nick Williams <njw@sequent.com>)
  - Tru64 UNIX (formerly Digital UNIX) (3.2 and later)
  - Irix (6.5)
  - AIX (4.3.2, with a bit of work)
  - Windows (2003, XP, Vista, 7)

and possibly on other versions of those OSes.  It should run on other
Unix-ish systems without too much trouble.

If you have an older version of the operating systems listed above, it
might be supported by an older version of Wireshark. In particular,
Windows 2000 is supported by Wireshark 1.2.x, Windows NT 4.0 is supported by
Wireshark 0.99.4, and Windows 95, 98, and ME are supported by Ethereal 0.99.0.

NOTE: the Makefile appears to depend on GNU "make"; it doesn't appear to
work with the "make" that comes with Solaris 7 nor the BSD "make".

Both Perl and Python are needed, the former for building the man pages.

If you decide to modify the yacc grammar or lex scanner, then
you need "flex" - it cannot be built with vanilla "lex" -
and either "bison" or the Berkeley "yacc". Your flex
version must be 2.5.1 or greater. Check this with 'flex -V'.

You must therefore install Perl, Python, GNU "make", "flex", and either "bison"
or Berkeley "yacc" on systems that lack them.

Full installation instructions can be found in the INSTALL file.

See also the appropriate README.<OS> files for OS-specific installation
instructions.

Usage
-----

In order to capture packets from the network, you need to make the
dumpcap program set-UID to root, or you need to have access to the
appropriate entry under /dev if your system is so inclined (BSD-derived
systems, and systems such as Solaris and HP-UX that support DLPI,
typically fall into this category).  Although it might be tempting to
make the Wireshark and TShark executables setuid root, or to run them as
root please don't.  The capture process has been isolated in dumpcap;
this simple program is less likely to contain security holes, and thus
safer to run as root.

Please consult the man page for a description of each command-line
option and interface feature.


Multiple File Types
-------------------

The wiretap library is a packet-capture library currently under
development parallel to wireshark.  In the future it is hoped that
wiretap will have more features than libpcap, but wiretap is still in
its infancy. However, wiretap is used in wireshark for its ability
to read multiple file types.  See the Wireshark man page or the
Wireshark User's Guide for a list of supported file formats.

In addition, it can read gzipped versions of any of those files
automatically, if you have the zlib library available when compiling
Wireshark. Wireshark needs a modern version of zlib to be able to use
zlib to read gzipped files; version 1.1.3 is known to work.  Versions
prior to 1.0.9 are missing some functions that Wireshark needs and won't
work.  "./configure" should detect if you have the proper zlib version
available and, if you don't, should disable zlib support. You can always
use "./configure --disable-zlib" to explicitly disable zlib support.

Although Wireshark can read AIX iptrace files, the documentation on
AIX's iptrace packet-trace command is sparse.  The 'iptrace' command
starts a daemon which you must kill in order to stop the trace. Through
experimentation it appears that sending a HUP signal to that iptrace
daemon causes a graceful shutdown and a complete packet is written
to the trace file. If a partial packet is saved at the end, Wireshark
will complain when reading that file, but you will be able to read all
other packets.  If this occurs, please let the Wireshark developers know
at wireshark-dev@wireshark.org, and be sure to send us a copy of that trace
file if it's small and contains non-sensitive data.

Support for Lucent/Ascend products is limited to the debug trace output
generated by the MAX and Pipline series of products.  Wireshark can read
the output of the "wandsession" "wandisplay", "wannext", and "wdd"
commands.

Wireshark can also read dump trace output from the Toshiba "Compact Router"
line of ISDN routers (TR-600 and TR-650). You can telnet to the router
and start a dump session with "snoop dump".

CoSine L2 debug output can also be read by Wireshark. To get the L2
debug output, get in the diags mode first and then use
"create-pkt-log-profile" and "apply-pkt-log-profile" commands under
layer-2 category. For more detail how to use these commands, you
should examine the help command by "layer-2 create ?" or "layer-2 apply ?".

To use the Lucent/Ascend, Toshiba and CoSine traces with Wireshark, you must
capture the trace output to a file on disk.  The trace is happening inside
the router and the router has no way of saving the trace to a file for you.
An easy way of doing this under Unix is to run "telnet <ascend> | tee <outfile>".
Or, if your system has the "script" command installed, you can save
a shell session, including telnet to a file. For example, to a file named
tracefile.out:

$ script tracefile.out
Script started on <date/time>
$ telnet router
..... do your trace, then exit from the router's telnet session.
$ exit
Script done on <date/time>



IPv6
----
If your operating system includes IPv6 support, wireshark will attempt to
use reverse name resolution capabilities when decoding IPv6 packets.

If you want to turn off name resolution while using wireshark, start
wireshark with the "-n" option to turn off all name resolution (including
resolution of MAC addresses and TCP/UDP/SMTP port numbers to names), or
with the "-N mt" option to turn off name resolution for all
network-layer addresses (IPv4, IPv6, IPX).

You can make that the default setting by opening the Preferences dialog
box using the Preferences item in the Edit menu, selecting "Name
resolution", turning off the appropriate name resolution options,
clicking "Save", and clicking "OK".

If you would like to compile wireshark without support for IPv6 name
resolution, use the "--disable-ipv6" option with "./configure".  If you
compile wireshark without IPv6 name resolution, you will still be able to
decode IPv6 packets, but you'll only see IPv6 addresses, not host names.


SNMP
----
Wireshark can do some basic decoding of SNMP packets; it can also use
the libsmi library to do more sophisticated decoding, by reading MIB
files and using the information in those files to display OIDs and
variable binding values in a friendlier fashion.  The configure script
will automatically determine whether you have the libsmi library on
your system.  If you have the libsmi library but _do not_ want to have
Wireshark use it, you can run configure with the "--without-libsmi"
option.

How to Report a Bug
-------------------
Wireshark is still under constant development, so it is possible that you will
encounter a bug while using it. Please report bugs at http://bugs.wireshark.org.
Be sure you enter into the bug:

	1) the complete build information from the "About Wireshark"
	   item in the Help menu or the output of "wireshark -v" for
	   Wireshark bugs and the output of "tshark -v" for TShark bugs;

	2) if the bug happened on Linux, the Linux distribution you were
	   using, and the version of that distribution;

	3) the command you used to invoke Wireshark, if you ran
	   Wireshark from the command line, or TShark, if you ran
	   TShark, and the sequence of operations you performed that
	   caused the bug to appear.

If the bug is produced by a particular trace file, please be sure to
attach to the bug a trace file along with your bug description.  If the
trace file contains sensitive information (e.g., passwords), then please
do not send it.

If Wireshark died on you with a 'segmentation violation', 'bus error',
'abort', or other error that produces a UNIX core dump file, you can
help the developers a lot if you have a debugger installed.  A stack
trace can be obtained by using your debugger ('gdb' in this example),
the wireshark binary, and the resulting core file.  Here's an example of
how to use the gdb command 'backtrace' to do so.

$ gdb wireshark core
(gdb) backtrace
..... prints the stack trace
(gdb) quit
$

The core dump file may be named "wireshark.core" rather than "core" on
some platforms (e.g., BSD systems).  If you got a core dump with
TShark rather than Wireshark, use "tshark" as the first argument to
the debugger; the core dump may be named "tshark.core".

Disclaimer
----------

There is no warranty, expressed or implied, associated with this product.
Use at your own risk.


Gerald Combs <gerald@wireshark.org>
Gilbert Ramirez <gram@alumni.rice.edu>
Guy Harris <guy@alum.mit.edu>