| #!/bin/sh |
| |
| # |
| # Create an ASN.1 source code project for each line in each of the |
| # bundles/*.txt files, compile and run that it can be encoded, decoded, |
| # and fuzzed (if fuzzing is available). |
| # |
| |
| set -e |
| |
| usage() { |
| echo "Usage:" |
| echo " $0 -h" |
| echo " $0 -t \"<ASN.1 definition for type T, in string form>\"" |
| echo " $0 bundles/<bundle-name.txt> [<line>]" |
| echo "Examples:" |
| echo " $0 -t UTF8String" |
| echo " $0 -t \"T ::= INTEGER (0..1)\"" |
| echo " $0 bundles/01-INTEGER-bundle.txt 3" |
| exit 1 |
| } |
| |
| RNDTEMP=.tmp.random |
| |
| srcdir="${srcdir:-.}" |
| abs_top_srcdir="${abs_top_srcdir:-$(pwd)/../../}" |
| abs_top_builddir="${abs_top_builddir:-$(pwd)/../../}" |
| |
| tests_succeeded=0 |
| tests_failed=0 |
| stop_after_failed=1 # We stop after 3 failures. |
| |
| # Get all the type-bearding lines in file and process them individually |
| verify_asn_types_in_file() { |
| local filename="$1" |
| local need_line="$2" |
| test "x$filename" != "x" || usage |
| echo "Open [$filename]" |
| local line=0 |
| while read asn; do |
| line=$((line+1)) |
| if echo "$asn" | sed -e 's/--.*//;' | grep -vqi "[A-Z]"; then |
| # Ignore lines consisting of just comments. |
| continue; |
| fi |
| if [ "x$need_line" != "x" -a "$need_line" != "$line" ]; then |
| # We need a different line. |
| continue; |
| fi |
| verify_asn_type "$asn" "in $filename $line" |
| if [ "${tests_failed}" = "${stop_after_failed}" ]; then |
| echo "STOP after ${tests_failed} failures, OK ${tests_succeeded}" |
| exit 1 |
| fi |
| done < "$filename" |
| } |
| |
| verify_asn_type() { |
| local asn="$1" |
| shift |
| local where="$*" |
| test "x$asn" != "x" || usage |
| if echo "$asn" | grep -qv "::="; then |
| asn="T ::= $asn" |
| fi |
| echo "Testing [$asn] ${where}" |
| |
| mkdir -p ${RNDTEMP} |
| if (set -e && cd ${RNDTEMP} && compile_and_test "$asn" "${where}"); then |
| echo "OK [$asn] ${where}" |
| tests_succeeded=$((tests_succeeded+1)) |
| else |
| tests_failed=$((tests_failed+1)) |
| echo "FAIL [$asn] ${where}" |
| fi |
| } |
| |
| compile_and_test() { |
| local asn="$1" |
| shift |
| |
| if ! asn_compile "$asn" "$*"; then |
| echo "Cannot compile ASN.1 $asn" |
| return 1 |
| fi |
| |
| rm -f random-test-driver.o |
| rm -f random-test-driver |
| if ! make -j4; then |
| echo "Cannot compile C for $asn in ${RNDTEMP}" |
| return 2 |
| fi |
| |
| # Maximum size of the random data |
| local rmax=$(echo "$asn" | sed -Ee '/RMAX/!d;s/.*RMAX=([0-9]+).*/\1/') |
| if [ "0${rmax}" -lt 1 ]; then rmax=128; fi |
| |
| echo "Checking random data encode-decode" |
| if ! eval ${ASAN_ENV_FLAGS} ./random-test-driver -s ${rmax} -c; then |
| echo "RETRY:" |
| echo "(cd ${RNDTEMP} && CC=${CC} CFLAGS=\"${LIBFUZZER_CFLAGS} ${CFLAGS}\" make && ${ASAN_ENV_FLAGS} ./random-test-driver -s ${rmax} -c)" |
| return 3 |
| fi |
| |
| echo "Generating new random data" |
| rm -rf random-data |
| cmd="${ASAN_ENV_FLAGS} UBSAN_OPTIONS=print_stacktrace=1" |
| cmd+=" ./random-test-driver -s ${rmax} -g random-data" |
| if ! eval "$cmd" ; then |
| echo "RETRY:" |
| echo "(cd ${RNDTEMP} && $cmd)" |
| return 4 |
| fi |
| |
| # Do a LibFuzzer based testing |
| local fuzz_time=10 |
| local fuzz_cmd="${ASAN_ENV_FLAGS} UBSAN_OPTIONS=print_stacktrace=1" |
| fuzz_cmd+=" ./random-test-driver" |
| fuzz_cmd+=" -timeout=3 -max_total_time=${fuzz_time} -max_len=128" |
| |
| if ! grep -q "^fuzz:" Makefile ; then |
| local fuzz_targets=$(echo random-data/* | sed -e 's/random-data./fuzz-/g') |
| echo "fuzz: $fuzz_targets" >> Makefile |
| echo "fuzz-%: random-data/% random-test-driver" >> Makefile |
| echo " ASN1_DATA_DIR=\$< ${fuzz_cmd} \$<" >> Makefile |
| fi |
| |
| # If LIBFUZZER_CFLAGS are properly defined, do the fuzz test as well |
| if echo "${LIBFUZZER_CFLAGS}" | grep -qi "[a-z]"; then |
| |
| echo "Recompiling for fuzzing..." |
| rm -f random-test-driver.o |
| rm -f random-test-driver |
| CFLAGS="${LIBFUZZER_CFLAGS} ${CFLAGS}" make -j4 |
| |
| echo "Fuzzing $data_dir will take $fuzz_time seconds..." |
| if ! make -j4 fuzz ; then |
| echo "RETRY:" |
| echo "(cd ${RNDTEMP} && CC=${CC} CFLAGS=\"${LIBFUZZER_CFLAGS} ${CFLAGS}\" make fuzz)" |
| return 5 |
| fi |
| fi |
| |
| return 0 |
| } |
| |
| asn_compile() { |
| local asn="$1" |
| shift |
| |
| # Create "INTEGER (1..2)" from "T ::= INTEGER (1..2) -- RMAX=5" |
| local short_asn=$(echo "$asn" | sed -e 's/ *--.*//;s/RMAX=[^ ]* //;') |
| if [ $(echo "$short_asn" | grep -c "::=") = 1 ]; then |
| short_asn=$(echo "$short_asn" | sed -e 's/.*::= *//') |
| fi |
| |
| test ! -f Makefile.am # Protection from accidental clobbering |
| echo "Test DEFINITIONS ::= BEGIN $asn" > test.asn1 |
| echo "-- $*" >> test.asn1 |
| echo "END" >> test.asn1 |
| if ! ${abs_top_builddir}/asn1c/asn1c -S ${abs_top_srcdir}/skeletons \ |
| -gen-OER -gen-PER test.asn1 |
| then |
| return 1 |
| fi |
| rm -f converter-example.c |
| ln -sf ../random-test-driver.c || cp ../random-test-driver.c . |
| echo "CFLAGS+= -DASN1_TEXT='$short_asn'" > Makefile |
| sed -e 's/converter-example/random-test-driver/' \ |
| < Makefile.am.example >> Makefile |
| echo "Makefile.am.example -> Makefile" |
| } |
| |
| # Command line parsing |
| case "$1" in |
| -h) usage ;; |
| -t) verify_asn_type "$2" || exit 1;; |
| "") |
| for bundle in bundles/*txt; do |
| verify_asn_types_in_file "$bundle" |
| done |
| ;; |
| *) |
| verify_asn_types_in_file "$@" |
| ;; |
| esac |
| |
| if [ "$tests_succeeded" != "0" -a "$tests_failed" = "0" ]; then |
| echo "OK $tests_succeeded tests" |
| else |
| echo "FAILED $tests_failed tests, OK $tests_succeeded tests" |
| exit 1 |
| fi |