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- /* Copyright (c) 2016-2019, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #define SIGCOMMON_PRIVATE
- #include "core/or/or.h"
- #include "feature/dirparse/routerparse.h"
- #include "feature/dirparse/sigcommon.h"
- #include "feature/dirparse/unparseable.h"
- #include "feature/nodelist/routerlist.h"
- #include "feature/nodelist/torcert.h"
- #include "feature/keymgt/loadkey.h"
- #include "test/fuzz/fuzzing.h"
- static int
- mock_check_tap_onion_key_crosscert__nocheck(const uint8_t *crosscert,
- int crosscert_len,
- const crypto_pk_t *onion_pkey,
- const ed25519_public_key_t *master_id_pkey,
- const uint8_t *rsa_id_digest)
- {
- tor_assert(crosscert && onion_pkey && master_id_pkey && rsa_id_digest);
- /* we could look at crosscert[..] */
- (void) crosscert_len;
- return 0;
- }
- 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;
- }
- int
- fuzz_init(void)
- {
- disable_signature_checking();
- MOCK(check_tap_onion_key_crosscert,
- mock_check_tap_onion_key_crosscert__nocheck);
- MOCK(dump_desc, mock_dump_desc__nodump);
- MOCK(router_compute_hash_final, mock_router_produce_hash_final__nohash);
- ed25519_init();
- return 0;
- }
- int
- fuzz_cleanup(void)
- {
- return 0;
- }
- int
- fuzz_main(const uint8_t *data, size_t sz)
- {
- routerinfo_t *ri;
- const char *str = (const char*) data;
- ri = router_parse_entry_from_string((const char *)str,
- str+sz,
- 0, 0, 0, NULL);
- if (ri) {
- log_debug(LD_GENERAL, "Parsing okay");
- routerinfo_free(ri);
- } else {
- log_debug(LD_GENERAL, "Parsing failed");
- }
- return 0;
- }
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