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fix remove_nyx_tmp_workdir function

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This commit is contained in:
Sergej Schumilo
2023-04-16 04:28:19 +02:00
parent c34c3e2f5f
commit 47833bcf9e
2 changed files with 18 additions and 8 deletions
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2
include/common.h
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@ -150,7 +150,7 @@ void *afl_memmem(const void *haystack, size_t haystacklen, const void *needle,
#ifdef __linux__
/* Nyx helper functions to create and remove tmp workdirs */
char* create_nyx_tmp_workdir(void);
void remove_nyx_tmp_workdir(char* nyx_out_dir_path);
void remove_nyx_tmp_workdir(afl_forkserver_t *fsrv, char* nyx_out_dir_path);
#endif
#endif

24
src/afl-common.c
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@ -1381,12 +1381,22 @@ char* create_nyx_tmp_workdir(void) {
}
/* Vice versa, we remove the tmp workdir for nyx with this helper function. */
void remove_nyx_tmp_workdir(char* nyx_out_dir_path) {
/* Fix me: This is not recursive, so it will always fail. Use a libnyx helper function instead
* to remove the workdir safely (and not risking to wipe the whole filesystem accidentally). */
//if (rmdir(nyx_out_dir_path)) {
// PFATAL("Unable to remove nyx workdir");
//}
free(nyx_out_dir_path);
void remove_nyx_tmp_workdir(afl_forkserver_t *fsrv, char* nyx_out_dir_path) {
char* workdir_path = alloc_printf("%s/workdir", nyx_out_dir_path);
if (access(workdir_path, R_OK) == 0) {
if(fsrv->nyx_handlers->nyx_remove_work_dir(workdir_path) != true) {
WARNF("Unable to remove nyx workdir (%s)", workdir_path);
}
}
if (access(nyx_out_dir_path, R_OK) == 0) {
if (rmdir(nyx_out_dir_path)) {
WARNF("Unable to remove nyx workdir (%s)", nyx_out_dir_path);
}
}
ck_free(workdir_path);
ck_free(nyx_out_dir_path);
}
#endif