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Support AFL_NO_FORKSRV env-var in afl-tmin, afl-showmap, and afl-cmin (#1017)

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* Support AFL_NO_FORKSRV env-var

* format

* showmap support

* showmap support

* help messages now show envar support

* formatting

* formatting

Co-authored-by: Jesse Hertz <jesse_hertz@apple.com>
This commit is contained in:
jhertz
2021-07-13 04:56:55 -04:00
committed by GitHub
parent d16d8dbb85
commit ec4ad161fc
2 changed files with 16 additions and 3 deletions
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8
src/afl-showmap.c
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@ -853,7 +853,8 @@ static void usage(u8 *argv0) {
"AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
"AFL_PRINT_FILENAMES: If set, the filename currently processed will be "
"printed to stdout\n"
"AFL_QUIET: do not print extra informational output\n",
"AFL_QUIET: do not print extra informational output\n"
"AFL_NO_FORKSRV: run target via execve instead of using the forkserver\n",
argv0, MEM_LIMIT, doc_path);
exit(1);
@ -1097,6 +1098,11 @@ int main(int argc, char **argv_orig, char **envp) {
check_environment_vars(envp);
if (getenv("AFL_NO_FORKSRV")) { /* if set, use the fauxserver */
fsrv->use_fauxsrv = true;
}
if (getenv("AFL_DEBUG")) {
DEBUGF("");

11
src/afl-tmin.c
View File

@ -877,12 +877,13 @@ static void usage(u8 *argv0) {
" the target was compiled for\n"
"AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
"AFL_TMIN_EXACT: require execution paths to match for crashing inputs\n"
"AFL_NO_FORKSRV: run target via execve instead of using the forkserver\n"
"ASAN_OPTIONS: custom settings for ASAN\n"
" (must contain abort_on_error=1 and symbolize=0)\n"
"MSAN_OPTIONS: custom settings for MSAN\n"
" (must contain exitcode="STRINGIFY(MSAN_ERROR)" and symbolize=0)\n"
"TMPDIR: directory to use for temporary input files\n"
, argv0, EXEC_TIMEOUT, MEM_LIMIT, doc_path);
"TMPDIR: directory to use for temporary input files\n",
argv0, EXEC_TIMEOUT, MEM_LIMIT, doc_path);
exit(1);
@ -1104,6 +1105,12 @@ int main(int argc, char **argv_orig, char **envp) {
if (optind == argc || !in_file || !output_file) { usage(argv[0]); }
check_environment_vars(envp);
if (getenv("AFL_NO_FORKSRV")) { /* if set, use the fauxserver */
fsrv->use_fauxsrv = true;
}
setenv("AFL_NO_AUTODICT", "1", 1);
/* initialize cmplog_mode */