size_t i;
for (i = 0; i < OSSL_NELEM(nid_list); i++) {
if (nid_list[i].nid == nid)
- return i + 1;
+ return (uint16_t)(i + 1);
}
return 0;
}
if (SSL_IS_TLS13(s)) {
/* Disallow DSA for TLS 1.3 */
if (pkeyid == EVP_PKEY_DSA) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
/* Only allow PSS for TLS 1.3 */
|| (SSL_IS_TLS13(s) && (lu->hash == NID_sha1 || lu->hash == NID_sha224))
|| (pkeyid != lu->sig
&& (lu->sig != EVP_PKEY_RSA_PSS || pkeyid != EVP_PKEY_RSA))) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
#ifndef OPENSSL_NO_EC
/* Check point compression is permitted */
if (!tls1_check_pkey_comp(s, pkey)) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG,
- SSL_R_ILLEGAL_POINT_COMPRESSION);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
+ SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_ILLEGAL_POINT_COMPRESSION);
return 0;
}
int curve = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
if (lu->curve != NID_undef && curve != lu->curve) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_CURVE);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
+ SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_CURVE);
return 0;
}
}
if (!SSL_IS_TLS13(s)) {
/* Check curve matches extensions */
if (!tls1_check_group_id(s, tls1_get_group_id(pkey))) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_CURVE);
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
+ SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_CURVE);
return 0;
}
if (tls1_suiteb(s)) {
/* Check sigalg matches a permissible Suite B value */
if (sig != TLSEXT_SIGALG_ecdsa_secp256r1_sha256
&& sig != TLSEXT_SIGALG_ecdsa_secp384r1_sha384) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG,
- SSL_R_WRONG_SIGNATURE_TYPE);
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
+ SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
}
}
} else if (tls1_suiteb(s)) {
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
#endif
/* Allow fallback to SHA1 if not strict mode */
if (i == sent_sigslen && (lu->hash != NID_sha1
|| s->cert->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT)) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
if (!tls1_lookup_md(lu, &md)) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_UNKNOWN_DIGEST);
- return 0;
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_UNKNOWN_DIGEST);
+ return 0;
}
if (md != NULL) {
/*
if (!ssl_security(s, SSL_SECOP_SIGALG_CHECK,
EVP_MD_size(md) * 4, EVP_MD_type(md),
(void *)sigalgstr)) {
- SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS12_CHECK_PEER_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
}
int tls1_set_server_sigalgs(SSL *s)
{
- int al;
size_t i;
/* Clear any shared signature algorithms */
}
if (!tls1_process_sigalgs(s)) {
- SSLerr(SSL_F_TLS1_SET_SERVER_SIGALGS, ERR_R_MALLOC_FAILURE);
- al = SSL_AD_INTERNAL_ERROR;
- goto err;
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR,
+ SSL_F_TLS1_SET_SERVER_SIGALGS, ERR_R_INTERNAL_ERROR);
+ return 0;
}
if (s->cert->shared_sigalgs != NULL)
return 1;
+
/* Fatal error if no shared signature algorithms */
- SSLerr(SSL_F_TLS1_SET_SERVER_SIGALGS, SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS);
- al = SSL_AD_HANDSHAKE_FAILURE;
- err:
- ssl3_send_alert(s, SSL3_AL_FATAL, al);
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS1_SET_SERVER_SIGALGS,
+ SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS);
return 0;
}
* Choose an appropriate signature algorithm based on available certificates
* Sets chosen certificate and signature algorithm.
*
- * For servers if we fail to find a required certificate it is a fatal error
- * and an appropriate error code is set and the TLS alert set in *al.
+ * For servers if we fail to find a required certificate it is a fatal error,
+ * an appropriate error code is set and a TLS alert is sent.
*
- * For clients al is set to NULL. If a certificate is not suitable it is not
+ * For clients fatalerrs is set to 0. If a certificate is not suitable it is not
* a fatal error: we will either try another certificate or not present one
* to the server. In this case no error is set.
*/
-int tls_choose_sigalg(SSL *s, int *al)
+int tls_choose_sigalg(SSL *s, int fatalerrs)
{
const SIGALG_LOOKUP *lu = NULL;
int sig_idx = -1;
break;
}
if (i == s->cert->shared_sigalgslen) {
- if (al == NULL)
+ if (!fatalerrs)
return 1;
- *al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_TLS_CHOOSE_SIGALG,
- SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_CHOOSE_SIGALG,
+ SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
}
} else {
break;
}
if (i == s->cert->shared_sigalgslen) {
- if (al == NULL)
+ if (!fatalerrs)
return 1;
- *al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_CHOOSE_SIGALG, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CHOOSE_SIGALG,
+ ERR_R_INTERNAL_ERROR);
return 0;
}
} else {
size_t sent_sigslen, i;
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
- if (al == NULL)
+ if (!fatalerrs)
return 1;
- *al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_CHOOSE_SIGALG, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CHOOSE_SIGALG,
+ ERR_R_INTERNAL_ERROR);
return 0;
}
break;
}
if (i == sent_sigslen) {
- if (al == NULL)
+ if (!fatalerrs)
return 1;
- SSLerr(SSL_F_TLS_CHOOSE_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
- *al = SSL_AD_ILLEGAL_PARAMETER;
+ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
+ SSL_F_TLS_CHOOSE_SIGALG,
+ SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
}
} else {
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
- if (al == NULL)
+ if (!fatalerrs)
return 1;
- *al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_CHOOSE_SIGALG, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CHOOSE_SIGALG,
+ ERR_R_INTERNAL_ERROR);
return 0;
}
}
s->s3->tmp.sigalg = lu;
return 1;
}
+
+int SSL_CTX_set_tlsext_max_fragment_length(SSL_CTX *ctx, uint8_t mode)
+{
+ if (mode != TLSEXT_max_fragment_length_DISABLED
+ && !IS_MAX_FRAGMENT_LENGTH_EXT_VALID(mode)) {
+ SSLerr(SSL_F_SSL_CTX_SET_TLSEXT_MAX_FRAGMENT_LENGTH,
+ SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
+ return 0;
+ }
+
+ ctx->ext.max_fragment_len_mode = mode;
+ return 1;
+}
+
+int SSL_set_tlsext_max_fragment_length(SSL *ssl, uint8_t mode)
+{
+ if (mode != TLSEXT_max_fragment_length_DISABLED
+ && !IS_MAX_FRAGMENT_LENGTH_EXT_VALID(mode)) {
+ SSLerr(SSL_F_SSL_SET_TLSEXT_MAX_FRAGMENT_LENGTH,
+ SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
+ return 0;
+ }
+
+ ssl->ext.max_fragment_len_mode = mode;
+ return 1;
+}
+
+uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *session)
+{
+ return session->ext.max_fragment_len_mode;
+}