Remove redundant code

[openssl.git] / include / openssl / ssl.h

diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 1fd72c945458b6e005e65fe08add3d6d4bb8be34..99f0de65f7067a396593a18704977df96b3660fd 100644 (file)
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -920,6 +920,59 @@ extern "C" {
 # define SSL_CTX_get_app_data(ctx)       (SSL_CTX_get_ex_data(ctx,0))
 # define SSL_CTX_set_app_data(ctx,arg)   (SSL_CTX_set_ex_data(ctx,0,(char *)arg))
 
+
+/*
+ * The valid handshake states (one for each type message sent and one for each
+ * type of message received). There are also two "special" states:
+ * TLS = TLS or DTLS state
+ * DTLS = DTLS specific state
+ * CR/SR = Client Read/Server Read
+ * CW/SW = Client Write/Server Write
+ *
+ * The "special" states are:
+ * TLS_ST_BEFORE = No handshake has been initiated yet
+ * TLS_ST_OK = A handshake has been successfully completed
+ */
+enum HANDSHAKE_STATE {
+    TLS_ST_BEFORE,
+    TLS_ST_OK,
+    DTLS_ST_CR_HELLO_VERIFY_REQUEST,
+    TLS_ST_CR_SRVR_HELLO,
+    TLS_ST_CR_CERT,
+    TLS_ST_CR_CERT_STATUS,
+    TLS_ST_CR_KEY_EXCH,
+    TLS_ST_CR_CERT_REQ,
+    TLS_ST_CR_SRVR_DONE,
+    TLS_ST_CR_SESSION_TICKET,
+    TLS_ST_CR_CHANGE,
+    TLS_ST_CR_FINISHED,
+    TLS_ST_CW_CLNT_HELLO,
+    TLS_ST_CW_CERT,
+    TLS_ST_CW_KEY_EXCH,
+    TLS_ST_CW_CERT_VRFY,
+    TLS_ST_CW_CHANGE,
+    TLS_ST_CW_NEXT_PROTO,
+    TLS_ST_CW_FINISHED,
+    TLS_ST_SW_HELLO_REQ,
+    TLS_ST_SR_CLNT_HELLO,
+    DTLS_ST_SW_HELLO_VERIFY_REQUEST,
+    TLS_ST_SW_SRVR_HELLO,
+    TLS_ST_SW_CERT,
+    TLS_ST_SW_KEY_EXCH,
+    TLS_ST_SW_CERT_REQ,
+    TLS_ST_SW_SRVR_DONE,
+    TLS_ST_SR_CERT,
+    TLS_ST_SR_KEY_EXCH,
+    TLS_ST_SR_CERT_VRFY,
+    TLS_ST_SR_NEXT_PROTO,
+    TLS_ST_SR_CHANGE,
+    TLS_ST_SR_FINISHED,
+    TLS_ST_SW_SESSION_TICKET,
+    TLS_ST_SW_CERT_STATUS,
+    TLS_ST_SW_CHANGE,
+    TLS_ST_SW_FINISHED
+};
+
 /*
  * The following are the possible values for ssl->state are are used to
  * indicate where we are up to in the SSL connection establishment. The
@@ -953,11 +1006,11 @@ extern "C" {
 
 /* Is the SSL_connection established? */
 # define SSL_get_state(a)                SSL_state(a)
-# define SSL_is_init_finished(a)         (SSL_state(a) == SSL_ST_OK)
-# define SSL_in_init(a)                  (SSL_state(a)&SSL_ST_INIT)
-# define SSL_in_before(a)                (SSL_state(a)&SSL_ST_BEFORE)
-# define SSL_in_connect_init(a)          (SSL_state(a)&SSL_ST_CONNECT)
-# define SSL_in_accept_init(a)           (SSL_state(a)&SSL_ST_ACCEPT)
+# define SSL_in_connect_init(a)          (SSL_in_init(a) && !a->server)
+# define SSL_in_accept_init(a)           (SSL_in_init(a) && a->server)
+int SSL_in_init(SSL *s);
+int SSL_in_before(SSL *s);
+int SSL_is_init_finished(SSL *s);
 
 /*
  * The following 3 states are kept in ssl->rlayer.rstate when reads fail, you
@@ -1646,8 +1699,8 @@ void SSL_set_info_callback(SSL *ssl,
                            void (*cb) (const SSL *ssl, int type, int val));
 void (*SSL_get_info_callback(const SSL *ssl)) (const SSL *ssl, int type,
                                                int val);
-__owur int SSL_state(const SSL *ssl);
-void SSL_set_state(SSL *ssl, int state);
+__owur enum HANDSHAKE_STATE SSL_state(const SSL *ssl);
+void SSL_set_state(SSL *ssl, enum HANDSHAKE_STATE state);
 
 void SSL_set_verify_result(SSL *ssl, long v);
 __owur long SSL_get_verify_result(const SSL *ssl);
@@ -1928,6 +1981,9 @@ void ERR_load_SSL_strings(void);
 # define SSL_F_DTLS1_SEND_SERVER_HELLO                    266
 # define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE             267
 # define SSL_F_DTLS1_WRITE_APP_DATA_BYTES                 268
+# define SSL_F_DTLS_CONSTRUCT_CHANGE_CIPHER_SPEC          371
+# define SSL_F_DTLS_CONSTRUCT_HELLO_VERIFY_REQUEST        385
+# define SSL_F_DTLS_GET_REASSEMBLED_MESSAGE               370
 # define SSL_F_READ_STATE_MACHINE                         352
 # define SSL_F_SSL3_ACCEPT                                128
 # define SSL_F_SSL3_ADD_CERT_TO_BUF                       296
@@ -2102,20 +2158,33 @@ void ERR_load_SSL_strings(void);
 # define SSL_F_TLS1_SETUP_KEY_BLOCK                       211
 # define SSL_F_TLS1_SET_SERVER_SIGALGS                    335
 # define SSL_F_TLS_CLIENT_KEY_EXCHANGE_POST_WORK          354
+# define SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST          372
 # define SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE           355
 # define SSL_F_TLS_CONSTRUCT_CLIENT_HELLO                 356
 # define SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE          357
 # define SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY                358
 # define SSL_F_TLS_CONSTRUCT_FINISHED                     359
+# define SSL_F_TLS_CONSTRUCT_HELLO_REQUEST                373
+# define SSL_F_TLS_CONSTRUCT_SERVER_CERTIFICATE           374
+# define SSL_F_TLS_CONSTRUCT_SERVER_DONE                  375
+# define SSL_F_TLS_CONSTRUCT_SERVER_HELLO                 376
+# define SSL_F_TLS_CONSTRUCT_SERVER_KEY_EXCHANGE          377
 # define SSL_F_TLS_GET_MESSAGE_BODY                       351
 # define SSL_F_TLS_GET_MESSAGE_HEADER                     350
+# define SSL_F_TLS_POST_PROCESS_CLIENT_HELLO              378
+# define SSL_F_TLS_POST_PROCESS_CLIENT_KEY_EXCHANGE       384
 # define SSL_F_TLS_PREPARE_CLIENT_CERTIFICATE             360
 # define SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST            361
 # define SSL_F_TLS_PROCESS_CERT_STATUS                    362
+# define SSL_F_TLS_PROCESS_CERT_VERIFY                    379
 # define SSL_F_TLS_PROCESS_CHANGE_CIPHER_SPEC             363
+# define SSL_F_TLS_PROCESS_CLIENT_CERTIFICATE             380
+# define SSL_F_TLS_PROCESS_CLIENT_HELLO                   381
+# define SSL_F_TLS_PROCESS_CLIENT_KEY_EXCHANGE            382
 # define SSL_F_TLS_PROCESS_FINISHED                       364
 # define SSL_F_TLS_PROCESS_KEY_EXCHANGE                   365
 # define SSL_F_TLS_PROCESS_NEW_SESSION_TICKET             366
+# define SSL_F_TLS_PROCESS_NEXT_PROTO                     383
 # define SSL_F_TLS_PROCESS_SERVER_CERTIFICATE             367
 # define SSL_F_TLS_PROCESS_SERVER_DONE                    368
 # define SSL_F_TLS_PROCESS_SERVER_HELLO                   369