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more custom mutator remodelling

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This commit is contained in:
Dominik Maier
2020-03-28 04:57:44 +01:00
parent 8c94a3d177
commit 9785b15ed2
12 changed files with 370 additions and 151 deletions
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14
src/afl-fuzz-init.c
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@ -270,7 +270,9 @@ void setup_post(afl_state_t *afl) {
void *dh;
u8 * fn = afl->afl_env.afl_post_library;
u8 tbuf[6];
u32 tlen = 6;
strncpy(tbuf, "hello", tlen);
if (!fn) return;
@ -281,10 +283,20 @@ void setup_post(afl_state_t *afl) {
afl->post_handler = dlsym(dh, "afl_postprocess");
if (!afl->post_handler) FATAL("Symbol 'afl_postprocess' not found.");
afl->post_init = dlsym(dh, "afl_postprocess_init");
if (!afl->post_init) FATAL("Symbol 'afl_postprocess_init' not found.");
afl->post_deinit = dlsym(dh, "afl_postprocess_deinit");
if (!afl->post_deinit) FATAL("Symbol 'afl_postprocess_deinit' not found.");
/* Do a quick test. It's better to segfault now than later =) */
afl->post_handler("hello", &tlen);
u8 *post_buf = NULL;
afl->post_data = afl->post_init(afl);
if (!afl->post_data) FATAL("Could not initialize post handler.");
size_t post_len = afl->post_handler(afl->post_data, tbuf, tlen, &post_buf);
if (!post_len || !post_buf)
SAYF("Empty return in test post handler for buf=\"hello\\0\".");
OKF("Postprocessor installed successfully.");