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| author | Philippe Antoine <p.antoine@catenacyber.fr> | 2023-01-25 15:43:50 +0100 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2023-02-08 16:13:17 +0100 |
| commit | 2b9e2afc382490592078cdb69d06f54f0fefd4c6 (patch) | |
| tree | 694e487df518ee2c5314546210a4bb720f0342ac /ssl/ssl_sess.c | |
| parent | Document limits on static and dynamic linking for HPE NonStop platforms. (diff) | |
| download | openssl-2b9e2afc382490592078cdb69d06f54f0fefd4c6.tar.xz openssl-2b9e2afc382490592078cdb69d06f54f0fefd4c6.zip | |
fuzz: make post handshake reachable
So that CVE-2021-3449 can be found through fuzzing
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
(Merged from https://github.com/openssl/openssl/pull/20128)
Diffstat (limited to 'ssl/ssl_sess.c')
| -rw-r--r-- | ssl/ssl_sess.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c index 7f9bafb0d3..250e4dfb83 100644 --- a/ssl/ssl_sess.c +++ b/ssl/ssl_sess.c @@ -298,10 +298,15 @@ static int def_generate_session_id(SSL *ssl, unsigned char *id, unsigned int *id_len) { unsigned int retry = 0; - do + do { if (RAND_bytes_ex(ssl->ctx->libctx, id, *id_len, 0) <= 0) return 0; - while (SSL_has_matching_session_id(ssl, id, *id_len) && +#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION + if (retry > 0) { + id[0]++; + } +#endif + } while (SSL_has_matching_session_id(ssl, id, *id_len) && (++retry < MAX_SESS_ID_ATTEMPTS)) ; if (retry < MAX_SESS_ID_ATTEMPTS) return 1; |