diff options
Diffstat (limited to 'src/afl-forkserver.c')
-rw-r--r-- | src/afl-forkserver.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c index 62110ad5..6a1fe858 100644 --- a/src/afl-forkserver.c +++ b/src/afl-forkserver.c @@ -425,6 +425,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, } } + ck_free(x); if (fsrv->nyx_runner == NULL) { FATAL("Something went wrong ..."); } @@ -464,6 +465,61 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, } + /* autodict in Nyx mode */ + if (!ignore_autodict) { + x = alloc_printf("%s/workdir/dump/afl_autodict.txt", fsrv->out_dir_path); + int nyx_autodict_fd = open(x, O_RDONLY); + ck_free(x); + + if (nyx_autodict_fd >= 0) { + struct stat st; + if (fstat(nyx_autodict_fd, &st) >= 0) { + u32 f_len = st.st_size; + u8 *dict = ck_alloc(f_len); + if (dict == NULL) { + FATAL("Could not allocate %u bytes of autodictionary memory", f_len); + } + + u32 offset = 0, count = 0; + u32 len = f_len; + + while (len != 0) { + + rlen = read(nyx_autodict_fd, dict + offset, len); + if (rlen > 0) { + + len -= rlen; + offset += rlen; + + } else { + + FATAL( + "Reading autodictionary fail at position %u with %u bytes " + "left.", + offset, len); + } + + } + + offset = 0; + while (offset < (u32)f_len && + (u8)dict[offset] + offset < (u32)f_len) { + + fsrv->add_extra_func(fsrv->afl_ptr, dict + offset + 1, + (u8)dict[offset]); + offset += (1 + dict[offset]); + count++; + + } + + if (!be_quiet) { ACTF("Loaded %u autodictionary entries", count); } + ck_free(dict); + + } + close(nyx_autodict_fd); + } + } + return; } |