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