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Add initial CoreSight mode support

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The original code is:
https://github.com/RICSecLab/AFLplusplus-cs/tree/retrage/coresight-mode-pr

Signed-off-by: Akira Moroo <retrage01@gmail.com>
This commit is contained in:
Akira Moroo
2021-06-22 05:34:20 +00:00
parent 2623851680
commit 9100f3c416
19 changed files with 397 additions and 17 deletions
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18
src/afl-analyze.c
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@ -77,6 +77,7 @@ static volatile u8 stop_soon; /* Ctrl-C pressed? */
static u8 *target_path;
static u8 frida_mode;
static u8 qemu_mode;
static u8 cs_mode;
static u32 map_size = MAP_SIZE;
static afl_forkserver_t fsrv = {0}; /* The forkserver */
@ -790,6 +791,8 @@ static void set_up_environment(char **argv) {
} else {
/* CoreSight mode uses the default behavior. */
setenv("LD_PRELOAD", getenv("AFL_PRELOAD"), 1);
setenv("DYLD_INSERT_LIBRARIES", getenv("AFL_PRELOAD"), 1);
@ -845,6 +848,7 @@ static void usage(u8 *argv0) {
" -f file - input file read by the tested program (stdin)\n"
" -t msec - timeout for each run (%u ms)\n"
" -m megs - memory limit for child process (%u MB)\n"
" -A - use binary-only instrumentation (CoreSight mode)\n"
" -O - use binary-only instrumentation (FRIDA mode)\n"
" -Q - use binary-only instrumentation (QEMU mode)\n"
" -U - use unicorn-based instrumentation (Unicorn mode)\n"
@ -890,7 +894,7 @@ int main(int argc, char **argv_orig, char **envp) {
afl_fsrv_init(&fsrv);
while ((opt = getopt(argc, argv, "+i:f:m:t:eOQUWh")) > 0) {
while ((opt = getopt(argc, argv, "+i:f:m:t:eAOQUWh")) > 0) {
switch (opt) {
@ -989,6 +993,14 @@ int main(int argc, char **argv_orig, char **envp) {
break;
case 'A': /* CoreSight mode */
if (cs_mode) { FATAL("Multiple -A options not supported"); }
cs_mode = 1;
fsrv.cs_mode = cs_mode;
break;
case 'O': /* FRIDA mode */
if (frida_mode) { FATAL("Multiple -O options not supported"); }
@ -1080,6 +1092,10 @@ int main(int argc, char **argv_orig, char **envp) {
}
} else if (cs_mode) {
use_argv = get_cs_argv(argv[0], &target_path, argc - optind, argv + optind);
} else {
use_argv = argv + optind;