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sync afl-fast-gcc with afl-clang-fast, add tests for gcc_plugin

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hexcoder-
2019-10-18 19:53:10 +02:00
parent b1822f2602
commit e7ab8be0cd
5 changed files with 108 additions and 21 deletions
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69
test/test.sh
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@ -200,6 +200,75 @@ test -e ../afl-clang-fast && {
rm -f test-persistent
} || $ECHO "$YELLOW[-] llvm_mode not compiled, cannot test"
$ECHO "$BLUE[*] Testing: gcc_plugin"
export AFL_CC=`which gcc`
test -e ../afl-gcc-fast && {
../afl-gcc-fast -o test-instr.plain.gccpi ../test-instr.c > /dev/null 2>&1
AFL_HARDEN=1 ../afl-gcc-fast -o test-compcov.harden.gccpi test-compcov.c > /dev/null 2>&1
test -e test-instr.plain.gccpi && {
$ECHO "$GREEN[+] gcc_plugin compilation succeeded"
echo 0 | ../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.0 -r -- ./test-instr.plain.gccpi > /dev/null 2>&1
../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.1 -r -- ./test-instr.plain.gccpi < /dev/null > /dev/null 2>&1
test -e test-instr.plain.0 -a -e test-instr.plain.1 && {
diff -q test-instr.plain.0 test-instr.plain.1 > /dev/null 2>&1 && {
$ECHO "$RED[!] gcc_plugin instrumentation should be different on different input but is not"
} || $ECHO "$GREEN[+] gcc_plugin instrumentation present and working correctly"
} || $ECHO "$RED[!] gcc_plugin instrumentation failed"
rm -f test-instr.plain.0 test-instr.plain.1
} || $ECHO "$RED[!] gcc_plugin failed"
test -e test-compcov.harden.gccpi && {
grep -Eqa 'stack_chk_fail|fstack-protector-all|fortified' test-compcov.harden.gccpi > /dev/null 2>&1 && {
$ECHO "$GREEN[+] gcc_plugin hardened mode succeeded and is working"
} || $ECHO "$RED[!] gcc_plugin hardened mode is not hardened"
rm -f test-compcov.harden.gccpi
} || $ECHO "$RED[!] gcc_plugin hardened mode compilation failed"
# now we want to be sure that afl-fuzz is working
(test "$(uname -s)" = "Linux" && test "$(sysctl kernel.core_pattern)" != "kernel.core_pattern = core" && {
$ECHO "$RED[!] we cannot run afl-fuzz with enabled core dumps. Run 'sudo sh afl-system-config'.$RESET"
true
}) ||
# make sure crash reporter is disabled on Mac OS X
(test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && {
$ECHO "$RED[!] we cannot run afl-fuzz with enabled crash reporter. Run 'sudo sh afl-system-config'.$RESET"
true
}) || {
mkdir -p in
echo 0 > in/in
$ECHO "$GREY[*] running afl-fuzz for gcc_plugin, this will take approx 10 seconds"
{
../afl-fuzz -V10 -m ${MEM_LIMIT} -i in -o out -- ./test-instr.plain.gccpi >>errors 2>&1
} >>errors 2>&1
test -n "$( ls out/queue/id:000002* 2> /dev/null )" && {
$ECHO "$GREEN[+] afl-fuzz is working correctly with gcc_plugin"
} || {
echo CUT------------------------------------------------------------------CUT
cat errors
echo CUT------------------------------------------------------------------CUT
$ECHO "$RED[!] afl-fuzz is not working correctly with gcc_plugin"
}
rm -rf in out errors
}
rm -f test-instr.plain.gccpi
# now for the special gcc_plugin things
echo foobar.c > whitelist.txt
AFL_GCC_WHITELIST=whitelist.txt ../afl-gcc-fast -o test-compcov test-compcov.c > /dev/null 2>&1
test -e test-compcov && {
echo 1 | ../afl-showmap -m ${MEM_LIMIT} -o - -r -- ./test-compcov 2>&1 | grep -q "Captured 1 tuples" && {
$ECHO "$GREEN[+] gcc_plugin whitelist feature works correctly"
} || $ECHO "$RED[!] gcc_plugin whitelist feature failed"
} || $ECHO "$RED[!] gcc_plugin whitelist feature compilation failed"
rm -f test-compcov test.out whitelist.txt
../afl-gcc-fast -o test-persistent ../experimental/persistent_demo/persistent_demo.c > /dev/null 2>&1
test -e test-persistent && {
echo foo | ../afl-showmap -o /dev/null -q -r ./test-persistent && {
$ECHO "$GREEN[+] gcc_plugin persistent mode feature works correctly"
} || $ECHO "$RED[!] gcc_plugin persistent mode feature failed to work"
} || $ECHO "$RED[!] gcc_plugin persistent mode feature compilation failed"
rm -f test-persistent
} || $ECHO "$YELLOW[-] gcc_plugin not compiled, cannot test"
$ECHO "$BLUE[*] Testing: shared library extensions"
gcc -o test-compcov test-compcov.c > /dev/null 2>&1
test -e ../libtokencap.so && {