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AFL_PRELOAD -> QEMU_SET_ENV for afl-fuzz,afl-showmap,afl-analyze,afl-tmin

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This commit is contained in:
Andrea Fioraldi
2019-12-25 10:35:49 +01:00
parent 67b6298895
commit 9ed4bfbca8
4 changed files with 105 additions and 21 deletions
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33
src/afl-showmap.c
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@ -83,6 +83,8 @@ static volatile u8 stop_soon, /* Ctrl-C pressed? */
child_timed_out, /* Child timed out? */
child_crashed; /* Child crashed? */
static u8 qemu_mode;
/* Classify tuple counts. Instead of mapping to individual bits, as in
afl-fuzz.c, we map to more user-friendly numbers between 1 and 8. */
@ -358,8 +360,33 @@ static void set_up_environment(void) {
if (getenv("AFL_PRELOAD")) {
setenv("LD_PRELOAD", getenv("AFL_PRELOAD"), 1);
setenv("DYLD_INSERT_LIBRARIES", getenv("AFL_PRELOAD"), 1);
if (qemu_mode) {
u8* qemu_preload = getenv("QEMU_SET_ENV");
u8* afl_preload = getenv("AFL_PRELOAD");
u8* buf;
s32 i, afl_preload_size = strlen(afl_preload);
for (i = 0; i < afl_preload_size; ++i) {
if (afl_preload[i] == ',')
PFATAL("Comma (',') is not allowed in AFL_PRELOAD when -Q is specified!");
}
if (qemu_preload)
buf = alloc_printf("%s,LD_PRELOAD=%s", qemu_preload, afl_preload);
else
buf = alloc_printf("LD_PRELOAD=%s", afl_preload);
setenv("QEMU_SET_ENV", buf, 1);
ck_free(buf);
} else {
setenv("LD_PRELOAD", getenv("AFL_PRELOAD"), 1);
setenv("DYLD_INSERT_LIBRARIES", getenv("AFL_PRELOAD"), 1);
}
}
@ -498,7 +525,7 @@ static void find_binary(u8* fname) {
int main(int argc, char** argv) {
s32 opt;
u8 mem_limit_given = 0, timeout_given = 0, qemu_mode = 0, unicorn_mode = 0,
u8 mem_limit_given = 0, timeout_given = 0, unicorn_mode = 0,
use_wine = 0;
u32 tcnt = 0;
char** use_argv;