mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-11 21:53:48 +01:00
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/* Copyright (c) 2016-2017, The Tor Project, Inc. */
|
|
/* See LICENSE for licensing information */
|
|
#define ROUTERPARSE_PRIVATE
|
|
#include "or.h"
|
|
#include "routerparse.h"
|
|
#include "networkstatus.h"
|
|
#include "fuzzing.h"
|
|
|
|
static void
|
|
mock_dump_desc__nodump(const char *desc, const char *type)
|
|
{
|
|
(void)desc;
|
|
(void)type;
|
|
}
|
|
|
|
static int
|
|
mock_router_produce_hash_final__nohash(char *digest,
|
|
const char *start, size_t len,
|
|
digest_algorithm_t alg)
|
|
{
|
|
(void)start;
|
|
(void)len;
|
|
/* we could look at start[..] */
|
|
if (alg == DIGEST_SHA1)
|
|
memset(digest, 0x01, 20);
|
|
else
|
|
memset(digest, 0x02, 32);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mock_signed_digest_equals__yes(const uint8_t *d1, const uint8_t *d2,
|
|
size_t len)
|
|
{
|
|
(void) tor_memeq(d1, d2, len);
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
fuzz_init(void)
|
|
{
|
|
disable_signature_checking();
|
|
MOCK(dump_desc, mock_dump_desc__nodump);
|
|
MOCK(router_compute_hash_final, mock_router_produce_hash_final__nohash);
|
|
MOCK(signed_digest_equals, mock_signed_digest_equals__yes);
|
|
ed25519_init();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
fuzz_cleanup(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
fuzz_main(const uint8_t *data, size_t sz)
|
|
{
|
|
networkstatus_t *ns;
|
|
char *str = tor_memdup_nulterm(data, sz);
|
|
const char *eos = NULL;
|
|
networkstatus_type_t tp = NS_TYPE_CONSENSUS;
|
|
if (tor_memstr(data, MIN(sz, 1024), "tus vote"))
|
|
tp = NS_TYPE_VOTE;
|
|
const char *what = (tp == NS_TYPE_CONSENSUS) ? "consensus" : "vote";
|
|
ns = networkstatus_parse_vote_from_string(str,
|
|
&eos,
|
|
tp);
|
|
if (ns) {
|
|
log_debug(LD_GENERAL, "Parsing as %s okay", what);
|
|
networkstatus_vote_free(ns);
|
|
} else {
|
|
log_debug(LD_GENERAL, "Parsing as %s failed", what);
|
|
}
|
|
tor_free(str);
|
|
return 0;
|
|
}
|
|
|