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add NYX_REUSE_SNAPSHOT env-var option

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This commit is contained in:
Sergej Schumilo 2023-04-14 06:21:43 +02:00
parent a96cdc649f
commit 4f6ec6cb08
1 changed files with 16 additions and 0 deletions
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16
src/afl-forkserver.c
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@ -509,6 +509,22 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
}
}
if (getenv("NYX_REUSE_SNAPSHOT") != NULL){
if (access(getenv("NYX_REUSE_SNAPSHOT"), F_OK) == -1) {
FATAL("NYX_REUSE_SNAPSHOT path does not exist");
}
/* stupid sanity check to avoid passing an empty or invalid snapshot directory */
char* snapshot_file_path = alloc_printf("%s/global.state", getenv("NYX_REUSE_SNAPSHOT"));
if (access(snapshot_file_path, R_OK) == -1) {
FATAL("NYX_REUSE_SNAPSHOT path does not contain a valid Nyx snapshot");
}
free(snapshot_file_path);
fsrv->nyx_handlers->nyx_config_set_reuse_snapshot_path(nyx_config, getenv("NYX_REUSE_SNAPSHOT"));
}
fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new(nyx_config, fsrv->nyx_bind_cpu_id);
ck_free(x);