0, /* client_finished_label_len */
NULL, /* server_finished_label */
0, /* server_finished_label_len */
- (int (*)(int))ssl_undefined_function
+ (int (*)(int))ssl_undefined_function,
+ (int (*)(SSL *, unsigned char *, size_t, const char *,
+ size_t, const unsigned char *, size_t,
+ int use_context)) ssl_undefined_function,
};
int SSL_clear(SSL *s)
s->tlsext_ocsp_resplen = -1;
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
s->initial_ctx=ctx;
+# ifndef OPENSSL_NO_NEXTPROTONEG
+ s->next_proto_negotiated = NULL;
+# endif
#endif
s->verify_result=X509_V_OK;
kssl_ctx_free(s->kssl_ctx);
#endif /* OPENSSL_NO_KRB5 */
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+ if (s->next_proto_negotiated)
+ OPENSSL_free(s->next_proto_negotiated);
+#endif
+
+ if (s->srtp_profiles)
+ sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
+
OPENSSL_free(s);
}
}
int SSL_renegotiate_abbreviated(SSL *s)
-{
+ {
if (s->renegotiate == 0)
s->renegotiate=1;
-
+
s->new_session=0;
-
+
return(s->method->ssl_renegotiate(s));
-}
+ }
int SSL_renegotiate_pending(SSL *s)
{
s->max_cert_list=larg;
return(l);
case SSL_CTRL_SET_MTU:
+#ifndef OPENSSL_NO_DTLS1
+ if (larg < (long)dtls1_min_mtu())
+ return 0;
+#endif
+
if (SSL_version(s) == DTLS1_VERSION ||
SSL_version(s) == DTLS1_BAD_VER)
{
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
c=sk_SSL_CIPHER_value(sk,i);
+ /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
+ if ((c->algorithm_ssl & SSL_TLSV1_2) &&
+ (TLS1_get_client_version(s) < TLS1_2_VERSION))
+ continue;
#ifndef OPENSSL_NO_KRB5
if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
nokrb5)
return TLSEXT_NAMETYPE_host_name;
return -1;
}
+
+# ifndef OPENSSL_NO_NEXTPROTONEG
+/* SSL_select_next_proto implements the standard protocol selection. It is
+ * expected that this function is called from the callback set by
+ * SSL_CTX_set_next_proto_select_cb.
+ *
+ * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
+ * strings. The length byte itself is not included in the length. A byte
+ * string of length 0 is invalid. No byte string may be truncated.
+ *
+ * The current, but experimental algorithm for selecting the protocol is:
+ *
+ * 1) If the server doesn't support NPN then this is indicated to the
+ * callback. In this case, the client application has to abort the connection
+ * or have a default application level protocol.
+ *
+ * 2) If the server supports NPN, but advertises an empty list then the
+ * client selects the first protcol in its list, but indicates via the
+ * API that this fallback case was enacted.
+ *
+ * 3) Otherwise, the client finds the first protocol in the server's list
+ * that it supports and selects this protocol. This is because it's
+ * assumed that the server has better information about which protocol
+ * a client should use.
+ *
+ * 4) If the client doesn't support any of the server's advertised
+ * protocols, then this is treated the same as case 2.
+ *
+ * It returns either
+ * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
+ * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
+ */
+int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len)
+ {
+ unsigned int i, j;
+ const unsigned char *result;
+ int status = OPENSSL_NPN_UNSUPPORTED;
+
+ /* For each protocol in server preference order, see if we support it. */
+ for (i = 0; i < server_len; )
+ {
+ for (j = 0; j < client_len; )
+ {
+ if (server[i] == client[j] &&
+ memcmp(&server[i+1], &client[j+1], server[i]) == 0)
+ {
+ /* We found a match */
+ result = &server[i];
+ status = OPENSSL_NPN_NEGOTIATED;
+ goto found;
+ }
+ j += client[j];
+ j++;
+ }
+ i += server[i];
+ i++;
+ }
+
+ /* There's no overlap between our protocols and the server's list. */
+ result = client;
+ status = OPENSSL_NPN_NO_OVERLAP;
+
+ found:
+ *out = (unsigned char *) result + 1;
+ *outlen = result[0];
+ return status;
+ }
+
+/* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
+ * requested protocol for this connection and returns 0. If the client didn't
+ * request any protocol, then *data is set to NULL.
+ *
+ * Note that the client can request any protocol it chooses. The value returned
+ * from this function need not be a member of the list of supported protocols
+ * provided by the callback.
+ */
+void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len)
+ {
+ *data = s->next_proto_negotiated;
+ if (!*data) {
+ *len = 0;
+ } else {
+ *len = s->next_proto_negotiated_len;
+ }
+}
+
+/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
+ * TLS server needs a list of supported protocols for Next Protocol
+ * Negotiation. The returned list must be in wire format. The list is returned
+ * by setting |out| to point to it and |outlen| to its length. This memory will
+ * not be modified, but one should assume that the SSL* keeps a reference to
+ * it.
+ *
+ * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
+ * such extension will be included in the ServerHello. */
+void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
+ {
+ ctx->next_protos_advertised_cb = cb;
+ ctx->next_protos_advertised_cb_arg = arg;
+ }
+
+/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
+ * client needs to select a protocol from the server's provided list. |out|
+ * must be set to point to the selected protocol (which may be within |in|).
+ * The length of the protocol name must be written into |outlen|. The server's
+ * advertised protocols are provided in |in| and |inlen|. The callback can
+ * assume that |in| is syntactically valid.
+ *
+ * The client must select a protocol. It is fatal to the connection if this
+ * callback returns a value other than SSL_TLSEXT_ERR_OK.
+ */
+void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg)
+ {
+ ctx->next_proto_select_cb = cb;
+ ctx->next_proto_select_cb_arg = arg;
+ }
+# endif
#endif
+int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+ const char *label, size_t llen, const unsigned char *p, size_t plen,
+ int use_context)
+ {
+ if (s->version < TLS1_VERSION)
+ return -1;
+
+ return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
+ llen, p, plen,
+ use_context);
+ }
+
static unsigned long ssl_session_hash(const SSL_SESSION *a)
{
unsigned long l;
ret->tlsext_status_cb = 0;
ret->tlsext_status_arg = NULL;
+# ifndef OPENSSL_NO_NEXTPROTONEG
+ ret->next_protos_advertised_cb = 0;
+ ret->next_proto_select_cb = 0;
+# endif
#endif
#ifndef OPENSSL_NO_PSK
ret->psk_identity_hint=NULL;
* deployed might change this.
*/
ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
- /* Disable TLS v1.2 by default for now */
- ret->options |= SSL_OP_NO_TLSv1_2;
return(ret);
err:
a->comp_methods = NULL;
#endif
+ if (a->srtp_profiles)
+ sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
+
#ifndef OPENSSL_NO_PSK
if (a->psk_identity_hint)
OPENSSL_free(a->psk_identity_hint);
#endif
X509 *x = NULL;
EVP_PKEY *ecc_pkey = NULL;
- int signature_nid = 0;
+ int signature_nid = 0, pk_nid = 0, md_nid = 0;
if (c == NULL) return;
EVP_PKEY_bits(ecc_pkey) : 0;
EVP_PKEY_free(ecc_pkey);
if ((x->sig_alg) && (x->sig_alg->algorithm))
+ {
signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+ OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
+ }
#ifndef OPENSSL_NO_ECDH
if (ecdh_ok)
{
- const char *sig = OBJ_nid2ln(signature_nid);
- if (sig == NULL)
- {
- ERR_clear_error();
- sig = "unknown";
- }
-
- if (strstr(sig, "WithRSA"))
+
+ if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa)
{
mask_k|=SSL_kECDHr;
mask_a|=SSL_aECDH;
}
}
- if (signature_nid == NID_ecdsa_with_SHA1)
+ if (pk_nid == NID_X9_62_id_ecPublicKey)
{
mask_k|=SSL_kECDHe;
mask_a|=SSL_aECDH;
unsigned long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
int keysize = 0;
- int signature_nid = 0;
+ int signature_nid = 0, md_nid = 0, pk_nid = 0;
const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
alg_k = cs->algorithm_mkey;
/* This call populates the ex_flags field correctly */
X509_check_purpose(x, -1, 0);
if ((x->sig_alg) && (x->sig_alg->algorithm))
+ {
signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+ OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
+ }
if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr)
{
/* key usage, if present, must allow key agreement */
SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
return 0;
}
- if ((alg_k & SSL_kECDHe) && s->version < TLS1_2_VERSION)
+ if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be ECDSA */
- if (signature_nid != NID_ecdsa_with_SHA1)
+ if (pk_nid != NID_X9_62_id_ecPublicKey)
{
SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
return 0;
}
}
- if ((alg_k & SSL_kECDHr) && s->version < TLS1_2_VERSION)
+ if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be RSA */
- const char *sig = OBJ_nid2ln(signature_nid);
- if (sig == NULL)
- {
- ERR_clear_error();
- sig = "unknown";
- }
- if (strstr(sig, "WithRSA") == NULL)
+ if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa)
{
SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
return 0;
IMPLEMENT_STACK_OF(SSL_COMP)
IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
ssl_cipher_id);
-