forked from osmocom/wireshark
123 lines
3.7 KiB
Bash
Executable File
123 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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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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TEST_TYPE="randpkt"
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# shellcheck source=tools/test-common.sh
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. `dirname $0`/test-common.sh || exit 1
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# Run under AddressSanitizer ?
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ASAN=$CONFIGURED_WITH_ASAN
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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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# To do: add options for file names and limits
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while getopts "ab:d:p:t:" OPTCHAR ; do
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case $OPTCHAR in
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a) ASAN=1 ;;
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b) WIRESHARK_BIN_DIR=$OPTARG ;;
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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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### usually you won't have to change anything below this line ###
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ws_bind_exec_paths
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ws_check_exec "$TSHARK" "$RANDPKT" "$DATE" "$TMP_DIR"
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[[ -z "$PKT_TYPES" ]] && PKT_TYPES=$($RANDPKT -h | awk '/^\t/ {print $1}')
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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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declare -a TSHARK_ARGS=("-nVxr" "-nr")
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RANDPKT_ARGS="-b 2000 -c 5000"
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if [ $ASAN -ne 0 ]; then
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echo -n "ASan enabled. Virtual memory limit is "
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ulimit -v
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else
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echo "ASan disabled. Virtual memory limit is $MAX_VMEM"
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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 -n "Running $TSHARK with args: "
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printf "\"%s\" " "${TSHARK_ARGS[@]}"
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echo "($HOWMANY)"
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echo "Running $RANDPKT with args: $RANDPKT_ARGS"
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echo ""
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trap "MAX_PASSES=1; echo 'Caught signal'" HUP INT TERM
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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 $MAX_PASSES -lt 1 ] ; do
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let PASS=$PASS+1
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echo "Pass $PASS:"
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for PKT_TYPE in $PKT_TYPES ; do
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if [ $PASS -gt $MAX_PASSES -a $MAX_PASSES -ge 1 ] ; then
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break # We caught a signal
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fi
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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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for ARGS in "${TSHARK_ARGS[@]}" ; do
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echo -n "($ARGS) "
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echo -e "Command and args: $TSHARK $ARGS\n" > $TMP_DIR/$ERR_FILE
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# Run in a child process with limits.
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(
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# Set some limits to the child processes, e.g. stop it if
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# it's running longer than MAX_CPU_TIME seconds. (ulimit
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# is not supported well on cygwin - it shows some warnings -
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# and the features we use may not all be supported on some
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# UN*X platforms.)
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ulimit -S -t $MAX_CPU_TIME -s $MAX_STACK
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# Allow core files to be generated
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ulimit -c unlimited
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# Don't enable ulimit -v when using ASAN. See
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# https://github.com/google/sanitizers/wiki/AddressSanitizer#ulimit--v
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if [ $ASAN -eq 0 ]; then
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ulimit -S -v $MAX_VMEM
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fi
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"$TSHARK" $ARGS $TMP_DIR/$TMP_FILE \
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> /dev/null 2>> $TMP_DIR/$ERR_FILE
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)
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RETVAL=$?
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if [ $RETVAL -ne 0 ] ; then break ; fi
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done
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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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ws_exit_error
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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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