Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 171 insertions, 0 deletions

diff --git a/tools/randpkt-test.sh b/tools/randpkt-test.sh
new file mode 100755
index 00000000..b47646dd
--- /dev/null
+++ b/tools/randpkt-test.sh
@@ -0,0 +1,171 @@
+#!/bin/bash
+
+# Randpkt testing script for TShark
+#
+# This script uses Randpkt to generate capture files with randomized
+# content.  It runs TShark on each generated file and checks for errors.
+# The files are processed repeatedly until an error is found.
+
+TEST_TYPE="randpkt"
+# shellcheck source=tools/test-common.sh
+. "$( dirname "$0" )"/test-common.sh || exit 1
+
+# Run under valgrind ?
+VALGRIND=0
+
+# Run under AddressSanitizer ?
+ASAN=$CONFIGURED_WITH_ASAN
+
+# Trigger an abort if a dissector finds a bug.
+# Uncomment to disable
+export WIRESHARK_ABORT_ON_DISSECTOR_BUG="True"
+
+# The maximum permitted amount of memory leaked. Eventually this should be
+# worked down to zero, but right now that would fail on every single capture.
+# Only has effect when running under valgrind.
+MAX_LEAK=$(( 1024 * 100 ))
+
+# To do: add options for file names and limits
+while getopts "ab:d:gp:t:" OPTCHAR ; do
+    case $OPTCHAR in
+        a) ASAN=1 ;;
+        b) WIRESHARK_BIN_DIR=$OPTARG ;;
+        d) TMP_DIR=$OPTARG ;;
+        g) VALGRIND=1 ;;
+        p) MAX_PASSES=$OPTARG ;;
+        t) PKT_TYPES=$OPTARG ;;
+        *) printf "Unknown option: %s\\n" "$OPTARG"
+    esac
+done
+shift $(( OPTIND - 1 ))
+
+### usually you won't have to change anything below this line ###
+
+ws_bind_exec_paths
+ws_check_exec "$TSHARK" "$RANDPKT" "$DATE" "$TMP_DIR"
+
+[[ -z "$PKT_TYPES" ]] && PKT_TYPES=$($RANDPKT -h | awk '/^\t/ {print $1}')
+
+if [ $VALGRIND -eq 1 ]; then
+    RUNNER="$( dirname "$0" )/valgrind-wireshark.sh"
+    COMMON_ARGS="-b $WIRESHARK_BIN_DIR $COMMON_ARGS"
+    declare -a RUNNER_ARGS=("" "-T")
+    # Valgrind requires more resources, so permit 1.5x memory and 3x time
+    # (1.5x time is too small for a few large captures in the menagerie)
+    MAX_CPU_TIME=$(( 3 * "$MAX_CPU_TIME" ))
+    MAX_VMEM=$(( 3 * "$MAX_VMEM" / 2 ))
+else
+    # Not using valgrind, use regular tshark.
+    # TShark arguments (you won't have to change these)
+    # n Disable network object name resolution
+    # V Print a view of the details of the packet rather than a one-line summary of the packet
+    # x Cause TShark to print a hex and ASCII dump of the packet data after printing the summary or details
+    # r Read packet data from the following infile
+    RUNNER="$TSHARK"
+    declare -a RUNNER_ARGS=("-nVxr" "-nr")
+fi
+RANDPKT_ARGS="-b 2000 -c 5000"
+
+if [ $ASAN -ne 0 ]; then
+    echo -n "ASan enabled. Virtual memory limit is "
+    ulimit -v
+else
+    echo "ASan disabled. Virtual memory limit is $MAX_VMEM"
+fi
+
+HOWMANY="forever"
+if [ "$MAX_PASSES" -gt 0 ]; then
+    HOWMANY="$MAX_PASSES passes"
+fi
+echo -n "Running $RUNNER with args: "
+printf "\"%s\" " "${RUNNER_ARGS[@]}"
+echo "($HOWMANY)"
+echo "Running $RANDPKT with args: $RANDPKT_ARGS"
+echo ""
+
+# Clean up on <ctrl>C, etc
+trap_all() {
+    printf '\n\nCaught signal. Exiting.\n'
+    rm -f "$TMP_DIR/$TMP_FILE" "$TMP_DIR/$ERR_FILE"
+    exit 0
+}
+
+trap trap_all HUP INT TERM ABRT
+
+# Iterate over our capture files.
+PASS=0
+while [ $PASS -lt "$MAX_PASSES" ] || [ "$MAX_PASSES" -lt 1 ] ; do
+    PASS=$(( PASS + 1 ))
+    echo "Pass $PASS:"
+
+    for PKT_TYPE in $PKT_TYPES ; do
+        if [ $PASS -gt "$MAX_PASSES" ] && [ "$MAX_PASSES" -ge 1 ] ; then
+            break # We caught a signal
+        fi
+        echo -n "    $PKT_TYPE: "
+
+        DISSECTOR_BUG=0
+        VG_ERR_CNT=0
+
+        # shellcheck disable=SC2086
+        "$RANDPKT" $RANDPKT_ARGS -t "$PKT_TYPE" "$TMP_DIR/$TMP_FILE" \
+            > /dev/null 2>&1
+
+        for ARGS in "${RUNNER_ARGS[@]}" ; do
+            echo -n "($ARGS) "
+               echo -e "Command and args: $RUNNER $ARGS\\n" > "$TMP_DIR/$ERR_FILE"
+
+            # Run in a child process with limits.
+            (
+                # Set some limits to the child processes, e.g. stop it if
+                # it's running longer than MAX_CPU_TIME seconds. (ulimit
+                # is not supported well on cygwin - it shows some warnings -
+                # and the features we use may not all be supported on some
+                # UN*X platforms.)
+                ulimit -S -t $MAX_CPU_TIME -s $MAX_STACK
+
+                # Allow core files to be generated
+                ulimit -c unlimited
+
+                # Don't enable ulimit -v when using ASAN. See
+                # https://github.com/google/sanitizers/wiki/AddressSanitizer#ulimit--v
+                if [ $ASAN -eq 0 ]; then
+                    ulimit -S -v $MAX_VMEM
+                fi
+
+                # shellcheck disable=SC2086
+                "$RUNNER" $ARGS "$TMP_DIR/$TMP_FILE" \
+                    > /dev/null 2>> "$TMP_DIR/$ERR_FILE"
+            )
+            RETVAL=$?
+
+            if [ $VALGRIND -eq 1 ]; then
+                VG_ERR_CNT=$( grep "ERROR SUMMARY:" "$TMP_DIR/$ERR_FILE" | cut -f4 -d' ' )
+                VG_DEF_LEAKED=$( grep "definitely lost:" "$TMP_DIR/$ERR_FILE" | cut -f7 -d' ' | tr -d , )
+                VG_IND_LEAKED=$( grep "indirectly lost:" "$TMP_DIR/$ERR_FILE" | cut -f7 -d' ' | tr -d , )
+                VG_TOTAL_LEAKED=$(( "$VG_DEF_LEAKED" + "$VG_IND_LEAKED" ))
+                if [ $RETVAL -ne 0 ] ; then
+                    echo "General Valgrind failure."
+                    VG_ERR_CNT=1
+                elif [ "$VG_TOTAL_LEAKED" -gt "$MAX_LEAK" ] ; then
+                    echo "Definitely + indirectly ($VG_DEF_LEAKED + $VG_IND_LEAKED) exceeds max ($MAX_LEAK)."
+                    echo "Definitely + indirectly ($VG_DEF_LEAKED + $VG_IND_LEAKED) exceeds max ($MAX_LEAK)." >> "$TMP_DIR/$ERR_FILE"
+                    VG_ERR_CNT=1
+                fi
+                if grep -q "Valgrind cannot continue" "$TMP_DIR/$ERR_FILE" ; then
+                    echo "Valgrind unable to continue."
+                    VG_ERR_CNT=-1
+                fi
+            fi
+	    if [ $RETVAL -ne 0 ] ; then break ; fi
+        done
+        grep -i "dissector bug" "$TMP_DIR/$ERR_FILE" \
+            > /dev/null 2>&1 && DISSECTOR_BUG=1
+
+        if [ $RETVAL -ne 0 ] || [ $DISSECTOR_BUG -ne 0 ] || [ $VG_ERR_CNT -ne 0 ] ; then
+            ws_exit_error
+        fi
+        echo " OK"
+        rm -f "$TMP_DIR/$TMP_FILE" "$TMP_DIR/$ERR_FILE"
+    done
+done