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| author | Hugo Landau <hlandau@openssl.org> | 2023-11-03 17:16:23 +0000 |
|---|---|---|
| committer | Hugo Landau <hlandau@openssl.org> | 2023-12-06 10:40:11 +0000 |
| commit | 3d7f83ebdca1d66f7ddb2ad1d23866d3a6c4e3cf (patch) | |
| tree | c105748f9e46b5ff99fe5b8a3da50d7c6d251d0d /ssl | |
| parent | 8489a0a1f246e2f8bb1d98fc550b7a0fd341ef51 (diff) | |
QUIC LCIDM: Add fuzzer
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22673)
Diffstat (limited to 'ssl')
| -rw-r--r-- | ssl/quic/quic_lcidm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/ssl/quic/quic_lcidm.c b/ssl/quic/quic_lcidm.c index 8427eb4d41..5c956e4edd 100644 --- a/ssl/quic/quic_lcidm.c +++ b/ssl/quic/quic_lcidm.c @@ -58,6 +58,9 @@ struct quic_lcidm_st { LHASH_OF(QUIC_LCID) *lcids; /* (QUIC_CONN_ID) -> (QUIC_LCID *) */ LHASH_OF(QUIC_LCIDM_CONN) *conns; /* (void *opaque) -> (QUIC_LCIDM_CONN *) */ size_t lcid_len; /* Length in bytes for all LCIDs */ +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + QUIC_CONN_ID next_lcid; +#endif }; static unsigned long bin_hash(const unsigned char *buf, size_t buf_len) @@ -233,6 +236,8 @@ size_t ossl_quic_lcidm_get_num_active_lcid(const QUIC_LCIDM *lcidm, return conn->num_active_lcid; } +#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + static int gen_rand_conn_id(OSSL_LIB_CTX *libctx, size_t len, QUIC_CONN_ID *cid) { if (len > QUIC_MAX_CONN_ID_LEN) @@ -249,10 +254,25 @@ static int gen_rand_conn_id(OSSL_LIB_CTX *libctx, size_t len, QUIC_CONN_ID *cid) return 1; } +#endif + static int lcidm_generate_cid(QUIC_LCIDM *lcidm, QUIC_CONN_ID *cid) { +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + int i; + + lcidm->next_lcid.id_len = (unsigned char)lcidm->lcid_len; + *cid = lcidm->next_lcid; + + for (i = lcidm->lcid_len - 1; i >= 0; --i) + if (++lcidm->next_lcid.id[i] != 0) + break; + + return 1; +#else return gen_rand_conn_id(lcidm->libctx, lcidm->lcid_len, cid); +#endif } static int lcidm_generate(QUIC_LCIDM *lcidm, |