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#!/bin/bash
# A small script to export some variables and run tshark or wireshark in
# valgrind on a given capture file.
#
# Copyright 2012 Jeff Morriss <jeff.morriss.ws [AT] gmail.com>
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Directory containing tshark or wireshark. Default current directory.
if [ -z "$WIRESHARK_BIN_DIR" ]; then
WIRESHARK_BIN_DIR=.
fi
# Use tshark by default
COMMAND=tshark
COMMAND_ARGS="-nr"
COMMAND_ARGS2=
VALID=0
PCAP=""
TOOL="memcheck"
while getopts ":2a:b:C:lmnpP:rstTYwcevWdG" OPTCHAR ; do
case $OPTCHAR in
2) COMMAND_ARGS="-2 $COMMAND_ARGS" ;;
a) ADDITIONAL_SUPPRESSION_FILE="$ADDITIONAL_SUPPRESSION_FILE --suppressions=$OPTARG" ;;
b) WIRESHARK_BIN_DIR=$OPTARG ;;
C) COMMAND_ARGS="-C $OPTARG $COMMAND_ARGS" ;;
l) LEAK_CHECK="--leak-check=full" ;;
m) TOOL="massif" ;;
n) COMMAND_ARGS="-v"
VALID=1 ;;
p) TOOL="callgrind" ;;
P) TOOL="callgrind"
CALLGRIND_OUT_FILE="--callgrind-out-file=$OPTARG" ;;
r) REACHABLE="--show-reachable=yes" ;;
s) GEN_SUPPRESSIONS="--gen-suppressions=yes" ;;
t) TRACK_ORIGINS="--track-origins=yes" ;;
T) COMMAND_ARGS="-Vx $COMMAND_ARGS" ;; # "build the Tree"
Y) COMMAND_ARGS="-Y frame $COMMAND_ARGS" ;; # Run with a read filter (but no tree)
w) COMMAND=wireshark
COMMAND_ARGS="-nr" ;;
c) COMMAND=capinfos
COMMAND_ARGS="" ;;
e) COMMAND=editcap
COMMAND_ARGS="-E 0.02"
# We don't care about the output of editcap
COMMAND_ARGS2="/dev/null" ;;
v) VERBOSE="--num-callers=256 -v" ;;
W) COMMAND=wireshark
COMMAND_ARGS=""
VALID=1 ;;
G) COMMAND=wireshark-gtk
COMMAND_ARGS=""
VALID=1 ;;
d) COMMAND=dumpcap
COMMAND_ARGS="-i eth1 -c 3000"
VALID=1 ;;
*) printf "Unknown option -$OPTARG!\n"
exit ;;
esac
done
shift $(($OPTIND - 1))
# Sanitize parameters
if [ "$COMMAND" != "tshark" ] && [[ $COMMAND_ARGS =~ Vx ]]
then
printf "\nYou can't use -T if you're not using tshark\n\n" >&2
exit 1
fi
if [ $# -ge 1 ]
then
PCAP=$1
VALID=1
fi
if [ $VALID -eq 0 ]
then
printf "\nUsage: $(basename $0) [-2] [-a file] [-b bin_dir] [-c] [-e] [-C config_profile] "
printf "[-l] [-m] [-n] [-p] [-r] [-s] [-t] [-T] [-w] [-v] /path/to/file.pcap\n"
printf "\n"
printf "[-2]: run tshark with 2-pass analysis\n"
printf "[-a]: additional valgrind suppression file\n"
printf "[-b]: tshark binary dir\n"
printf "[-e]: use 'editcap -E 0.02' instead of tshark\n"
printf "[-c]: use capinfos instead of tshark\n"
printf "[-C]: binary profile file\n"
printf "[-l]: add valgring option --leak-check=full\n"
printf "[-m]: use valgrind massif tool\n"
printf "[-n]: print binary version\n"
printf "[-p]: use callgrind massif tool\n"
printf "[-r]: add valgrind option --show-reachable=yes\n"
printf "[-s]: add valgrind option --gen-suppressions=yes\n"
printf "[-t]: add valgrind option --track-origins=yes\n"
printf "[-T]: build the tshark tree (-Vx)\n"
printf "[-w]: use wireshark instead of tshark\n"
printf "[-v]: run in verbose mode (--num-callers=256)\n"
exit 1
fi
if [ "$WIRESHARK_BIN_DIR" = "." ]; then
export WIRESHARK_RUN_FROM_BUILD_DIRECTORY=
fi
if [ "$TOOL" != "callgrind" ]; then
export WIRESHARK_DEBUG_WMEM_OVERRIDE=simple
export G_SLICE=always-malloc # or debug-blocks
fi
COMMAND="$WIRESHARK_BIN_DIR/$COMMAND"
if file $COMMAND | grep -q "ASCII text"; then
if [ -x "`dirname $0`/../libtool" ]; then
LIBTOOL="`dirname $0`/../libtool"
else
LIBTOOL="libtool"
fi
LIBTOOL="$LIBTOOL --mode=execute"
else
LIBTOOL=""
fi
cmdline="$LIBTOOL valgrind --suppressions=`dirname $0`/vg-suppressions $ADDITIONAL_SUPPRESSION_FILE \
--suppressions=`dirname $0`/gtk.suppression \
--tool=$TOOL $CALLGRIND_OUT_FILE $VERBOSE $LEAK_CHECK $REACHABLE $GEN_SUPPRESSIONS $TRACK_ORIGINS \
$COMMAND $COMMAND_ARGS $PCAP $COMMAND_ARGS2"
if [ "$VERBOSE" != "" ];then
echo -e "\n$cmdline\n"
fi
$cmdline > /dev/null
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