Add support for the TLS Channel ID extension.
See http://tools.ietf.org/html/draft-balfanz-tls-channelid-00.
Change-Id: Id5b9799f96c0f7a1ef5ed8db9e40111a700d091f
diff --git a/ssl/ssl.h b/ssl/ssl.h
index d5bcead..ce15f4f 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -979,6 +979,12 @@
# endif
/* SRTP profiles we are willing to do from RFC 5764 */
STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
+
+ /* If true, a client will advertise the Channel ID extension and a
+ * server will echo it. */
+ char tlsext_channel_id_enabled;
+ /* The client's Channel ID private key. */
+ EVP_PKEY *tlsext_channel_id_private;
#endif
};
@@ -1020,6 +1026,10 @@
SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
#define SSL_CTX_sess_cache_full(ctx) \
SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
+/* SSL_CTX_enable_tls_channel_id configures a TLS server to accept TLS client
+ * IDs from clients. Returns 1 on success. */
+#define SSL_CTX_enable_tls_channel_id(ctx) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_CHANNEL_ID,0,NULL)
void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess));
int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl, SSL_SESSION *sess);
@@ -1346,6 +1356,13 @@
*/
unsigned int tlsext_hb_pending; /* Indicates if a HeartbeatRequest is in flight */
unsigned int tlsext_hb_seq; /* HeartbeatRequest sequence number */
+
+ /* Copied from the SSL_CTX. For a server, means that we'll accept
+ * Channel IDs from clients. For a client, means that we'll advertise
+ * support. */
+ char tlsext_channel_id_enabled;
+ /* The client's Channel ID private key. */
+ EVP_PKEY *tlsext_channel_id_private;
#else
#define session_ctx ctx
#endif /* OPENSSL_NO_TLSEXT */
@@ -1603,6 +1620,9 @@
#define SSL_CTRL_GET_TLS_EXT_HEARTBEAT_PENDING 86
#define SSL_CTRL_SET_TLS_EXT_HEARTBEAT_NO_REQUESTS 87
#endif
+#define SSL_CTRL_CHANNEL_ID 88
+#define SSL_CTRL_GET_CHANNEL_ID 89
+#define SSL_CTRL_SET_CHANNEL_ID 90
#endif
#define DTLS_CTRL_GET_TIMEOUT 73
@@ -1650,6 +1670,25 @@
#define SSL_set_tmp_ecdh(ssl,ecdh) \
SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
+/* SSL_enable_tls_channel_id configures a TLS server to accept TLS client
+ * IDs from clients. Returns 1 on success. */
+#define SSL_enable_tls_channel_id(ctx) \
+ SSL_ctrl(ctx,SSL_CTRL_CHANNEL_ID,0,NULL)
+/* SSL_set1_tls_channel_id configures a TLS client to send a TLS Channel ID to
+ * compatible servers. private_key must be a P-256 EVP_PKEY*. Returns 1 on
+ * success. */
+#define SSL_set1_tls_channel_id(s, private_key) \
+ SSL_ctrl(s,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
+#define SSL_CTX_set1_tls_channel_id(ctx, private_key) \
+ SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
+/* SSL_get_tls_channel_id gets the client's TLS Channel ID from a server SSL*
+ * and copies up to the first |channel_id_len| bytes into |channel_id|. The
+ * Channel ID consists of the client's P-256 public key as an (x,y) pair where
+ * each is a 32-byte, big-endian field element. Returns 0 if the client didn't
+ * offer a Channel ID and the length of the complete Channel ID otherwise. */
+#define SSL_get_tls_channel_id(ctx, channel_id, channel_id_len) \
+ SSL_ctrl(ctx,SSL_CTRL_GET_CHANNEL_ID,channel_id_len,(void*)channel_id)
+
#define SSL_CTX_add_extra_chain_cert(ctx,x509) \
SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
#define SSL_CTX_get_extra_chain_certs(ctx,px509) \
@@ -2147,6 +2186,7 @@
#define SSL_F_SSL3_GET_CERTIFICATE_REQUEST 135
#define SSL_F_SSL3_GET_CERT_STATUS 289
#define SSL_F_SSL3_GET_CERT_VERIFY 136
+#define SSL_F_SSL3_GET_CHANNEL_ID 317
#define SSL_F_SSL3_GET_CLIENT_CERTIFICATE 137
#define SSL_F_SSL3_GET_CLIENT_HELLO 138
#define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE 139
@@ -2166,6 +2206,7 @@
#define SSL_F_SSL3_READ_BYTES 148
#define SSL_F_SSL3_READ_N 149
#define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST 150
+#define SSL_F_SSL3_SEND_CHANNEL_ID 318
#define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE 151
#define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE 152
#define SSL_F_SSL3_SEND_CLIENT_VERIFY 153
@@ -2332,12 +2373,15 @@
#define SSL_R_BIO_NOT_SET 128
#define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG 129
#define SSL_R_BN_LIB 130
+#define SSL_R_CANNOT_SERIALIZE_PUBLIC_KEY 376
#define SSL_R_CA_DN_LENGTH_MISMATCH 131
#define SSL_R_CA_DN_TOO_LONG 132
#define SSL_R_CCS_RECEIVED_EARLY 133
#define SSL_R_CERTIFICATE_VERIFY_FAILED 134
#define SSL_R_CERT_LENGTH_MISMATCH 135
#define SSL_R_CHALLENGE_IS_DIFFERENT 136
+#define SSL_R_CHANNEL_ID_NOT_P256 375
+#define SSL_R_CHANNEL_ID_SIGNATURE_INVALID 371
#define SSL_R_CIPHER_CODE_WRONG_LENGTH 137
#define SSL_R_CIPHER_OR_HASH_UNAVAILABLE 138
#define SSL_R_CIPHER_TABLE_SRC_ERROR 139
@@ -2350,6 +2394,7 @@
#define SSL_R_CONNECTION_ID_IS_DIFFERENT 143
#define SSL_R_CONNECTION_TYPE_NOT_SET 144
#define SSL_R_COOKIE_MISMATCH 308
+#define SSL_R_D2I_ECDSA_SIG 379
#define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED 145
#define SSL_R_DATA_LENGTH_TOO_LONG 146
#define SSL_R_DECRYPTION_FAILED 147
@@ -2367,9 +2412,12 @@
#define SSL_R_ENCRYPTED_LENGTH_TOO_LONG 150
#define SSL_R_ERROR_GENERATING_TMP_RSA_KEY 282
#define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST 151
+#define SSL_R_EVP_DIGESTSIGNFINAL_FAILED 377
+#define SSL_R_EVP_DIGESTSIGNINIT_FAILED 378
#define SSL_R_EXCESSIVE_MESSAGE_SIZE 152
#define SSL_R_EXTRA_DATA_IN_MESSAGE 153
#define SSL_R_GOT_A_FIN_BEFORE_A_CCS 154
+#define SSL_R_GOT_CHANNEL_ID_BEFORE_A_CCS 372
#define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS 355
#define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION 356
#define SSL_R_HTTPS_PROXY_REQUEST 155
@@ -2379,6 +2427,7 @@
#define SSL_R_INVALID_CHALLENGE_LENGTH 158
#define SSL_R_INVALID_COMMAND 280
#define SSL_R_INVALID_COMPRESSION_ALGORITHM 341
+#define SSL_R_INVALID_MESSAGE 374
#define SSL_R_INVALID_PURPOSE 278
#define SSL_R_INVALID_SRP_USERNAME 357
#define SSL_R_INVALID_STATUS_RESPONSE 328
@@ -2433,6 +2482,7 @@
#define SSL_R_NO_COMPRESSION_SPECIFIED 187
#define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER 330
#define SSL_R_NO_METHOD_SPECIFIED 188
+#define SSL_R_NO_P256_SUPPORT 373
#define SSL_R_NO_PRIVATEKEY 189
#define SSL_R_NO_PRIVATE_KEY_ASSIGNED 190
#define SSL_R_NO_PROTOCOLS_AVAILABLE 191