forked from osmocom/wireshark
122 lines
3.4 KiB
Bash
Executable File
122 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# $Id$
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# Randpkt testing script for TShark
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#
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# This script uses Randpkt to generate capture files with randomized
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# content. It runs TShark on each generated file and checks for errors.
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# The files are processed repeatedly until an error is found.
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# Tweak the following to your liking.
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TSHARK=./tshark
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RANDPKT=./randpkt
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# This needs to point to a 'date' that supports %s.
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DATE=/bin/date
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BASE_NAME=randpkt-`$DATE +%Y-%m-%d`-$$
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# Temporary file directory and names.
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# (had problems with this on cygwin, tried TMP_DIR=./ which worked)
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TMP_DIR=/tmp
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TMP_FILE=$BASE_NAME.pcap
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ERR_FILE=$BASE_NAME.err
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# Loop this many times (< 1 loops forever)
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MAX_PASSES=0
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# These may be set to your liking
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# Stop the child process, if it's running longer than x seconds
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MAX_CPU_TIME=900
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# Stop the child process, if it's using more than y * 1024 bytes
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MAX_VMEM=500000
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# Trigger an abort if a dissector finds a bug.
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# Uncomment to disable
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WIRESHARK_ABORT_ON_DISSECTOR_BUG="True"
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PKT_TYPES=`$RANDPKT -h | awk '/^\t/ {print $1}'`
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# To do: add options for file names and limits
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while getopts ":d:p:t:" OPTCHAR ; do
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case $OPTCHAR in
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d) TMP_DIR=$OPTARG ;;
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p) MAX_PASSES=$OPTARG ;;
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t) PKT_TYPES=$OPTARG ;;
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esac
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done
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shift $(($OPTIND - 1))
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# set some limits to the child processes, e.g. stop it if it's running longer then MAX_CPU_TIME seconds
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# (ulimit is not supported well on cygwin and probably other platforms, e.g. cygwin shows some warnings)
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ulimit -S -t $MAX_CPU_TIME -v $MAX_VMEM
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ulimit -c unlimited
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### usually you won't have to change anything below this line ###
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# TShark arguments (you won't have to change these)
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# n Disable network object name resolution
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# V Print a view of the details of the packet rather than a one-line summary of the packet
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# x Cause TShark to print a hex and ASCII dump of the packet data after printing the summary or details
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# r Read packet data from the following infile
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TSHARK_ARGS="-nVxr"
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RANDPKT_ARGS="-b 2000 -c 5000"
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NOTFOUND=0
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for i in "$TSHARK" "$RANDPKT" "$DATE" "$TMP_DIR" ; do
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if [ ! -x $i ]; then
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echo "Couldn't find $i"
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NOTFOUND=1
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fi
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done
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if [ $NOTFOUND -eq 1 ]; then
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exit 1
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fi
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HOWMANY="forever"
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if [ $MAX_PASSES -gt 0 ]; then
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HOWMANY="$MAX_PASSES passes"
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fi
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echo "Running $TSHARK with args: $TSHARK_ARGS ($HOWMANY)"
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echo "Running $RANDPKT with args: $RANDPKT_ARGS"
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echo ""
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# Not yet - properly handle empty filenames
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#trap "rm $TMP_DIR/$TMP_FILE $TMP_DIR/$RAND_FILE; exit 1" 1 2 15
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# Iterate over our capture files.
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PASS=0
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while [ $PASS -lt $MAX_PASSES -o $MAX_PASSES -lt 1 ] ; do
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PASS=`expr $PASS + 1`
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echo "Pass $PASS:"
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for PKT_TYPE in $PKT_TYPES ; do
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echo -n " $PKT_TYPE: "
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DISSECTOR_BUG=0
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"$RANDPKT" $RANDPKT_ARGS -t $PKT_TYPE $TMP_DIR/$TMP_FILE \
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> /dev/null 2>&1
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"$TSHARK" $TSHARK_ARGS $TMP_DIR/$TMP_FILE \
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> /dev/null 2> $TMP_DIR/$ERR_FILE
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RETVAL=$?
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grep -i "dissector bug" $TMP_DIR/$ERR_FILE \
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> /dev/null 2>&1 && DISSECTOR_BUG=1
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if [ $RETVAL -ne 0 -o $DISSECTOR_BUG -ne 0 ] ; then
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RAND_FILE="rand-`$DATE +%Y-%m-%d`-$$.pcap"
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echo ""
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echo " ERROR"
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echo -e "Processing failed. Capture info follows:\n"
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mv $TMP_DIR/$TMP_FILE $TMP_DIR/$RAND_FILE
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echo " Output file: $TMP_DIR/$RAND_FILE"
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if [ $DISSECTOR_BUG -ne 0 ] ; then
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echo -e "stderr follows:\n"
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cat $TMP_DIR/$ERR_FILE
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fi
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exit 1
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fi
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echo " OK"
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rm -f $TMP_DIR/$TMP_FILE $TMP_DIR/$ERR_FILE
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done
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done
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