diff options
Diffstat (limited to 'src/test/fuzz/fuzz_diff_apply.c')
-rw-r--r-- | src/test/fuzz/fuzz_diff_apply.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/test/fuzz/fuzz_diff_apply.c b/src/test/fuzz/fuzz_diff_apply.c new file mode 100644 index 0000000000..8d7bf751bf --- /dev/null +++ b/src/test/fuzz/fuzz_diff_apply.c @@ -0,0 +1,65 @@ +/* Copyright (c) 2016, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#define CONSDIFF_PRIVATE + +#include "orconfig.h" +#include "or.h" +#include "consdiff.h" + +#include "fuzzing.h" + +static int +mock_consensus_compute_digest_(const char *c, consensus_digest_t *d) +{ + (void)c; + memset(d->sha3_256, 3, sizeof(d->sha3_256)); + return 0; +} + +static int +mock_consensus_digest_eq_(const uint8_t *a, const uint8_t *b) +{ + (void)a; + (void)b; + return 1; +} + +int +fuzz_init(void) +{ + MOCK(consensus_compute_digest, mock_consensus_compute_digest_); + MOCK(consensus_digest_eq, mock_consensus_digest_eq_); + return 0; +} + +int +fuzz_cleanup(void) +{ + UNMOCK(consensus_compute_digest); + UNMOCK(consensus_digest_eq); + return 0; +} + +int +fuzz_main(const uint8_t *stdin_buf, size_t data_size) +{ +#define SEP "=====\n" +#define SEPLEN strlen(SEP) + const uint8_t *separator = tor_memmem(stdin_buf, data_size, SEP, SEPLEN); + if (! separator) + return 0; + size_t c1_len = separator - stdin_buf; + char *c1 = tor_memdup_nulterm(stdin_buf, c1_len); + size_t c2_len = data_size - c1_len - SEPLEN; + char *c2 = tor_memdup_nulterm(separator + SEPLEN, c2_len); + + char *c3 = consensus_diff_apply(c1, c2); + + tor_free(c1); + tor_free(c2); + tor_free(c3); + + return 0; +} + |