Run util/openssl-format-source -v -c .

Reviewed-by: Tim Hudson <tjh@openssl.org>

1 files changed, 1030 insertions, 1046 deletions

diff --git a/ssl/d1_clnt.c b/ssl/d1_clnt.c
index b709c3b9e9..c8aa6d3a98 100644
--- a/ssl/d1_clnt.c
+++ b/ssl/d1_clnt.c
@@ -1,7 +1,7 @@
 /* ssl/d1_clnt.c */
-/* 
+/*
  * DTLS implementation written by Nagendra Modadugu
- * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  
+ * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
  */
 /* ====================================================================
  * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
@@ -11,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -62,21 +62,21 @@
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -91,10 +91,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -106,7 +106,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -122,1123 +122,1107 @@
 #include <openssl/evp.h>
 #include <openssl/md5.h>
 #ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
+# include <openssl/dh.h>
 #endif
 
 static SSL_METHOD *dtls1_get_client_method(int ver);
 static int dtls1_get_hello_verify(SSL *s);
 
 static SSL_METHOD *dtls1_get_client_method(int ver)
-	{
-	if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
-		return(DTLSv1_client_method());
-	else
-		return(NULL);
-	}
+{
+    if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
+        return (DTLSv1_client_method());
+    else
+        return (NULL);
+}
 
 IMPLEMENT_dtls1_meth_func(DTLSv1_client_method,
-			ssl_undefined_function,
-			dtls1_connect,
-			dtls1_get_client_method)
+                          ssl_undefined_function,
+                          dtls1_connect, dtls1_get_client_method)
 
 int dtls1_connect(SSL *s)
-	{
-	BUF_MEM *buf=NULL;
-	unsigned long Time=(unsigned long)time(NULL);
-	void (*cb)(const SSL *ssl,int type,int val)=NULL;
-	int ret= -1;
-	int new_state,state,skip=0;;
-
-	RAND_add(&Time,sizeof(Time),0);
-	ERR_clear_error();
-	clear_sys_error();
-
-	if (s->info_callback != NULL)
-		cb=s->info_callback;
-	else if (s->ctx->info_callback != NULL)
-		cb=s->ctx->info_callback;
-	
-	s->in_handshake++;
-	if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); 
-
-	for (;;)
-		{
-		state=s->state;
-
-		switch(s->state)
-			{
-		case SSL_ST_RENEGOTIATE:
-			s->new_session=1;
-			s->state=SSL_ST_CONNECT;
-			s->ctx->stats.sess_connect_renegotiate++;
-			/* break */
-		case SSL_ST_BEFORE:
-		case SSL_ST_CONNECT:
-		case SSL_ST_BEFORE|SSL_ST_CONNECT:
-		case SSL_ST_OK|SSL_ST_CONNECT:
-
-			s->server=0;
-			if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
-
-			if ((s->version & 0xff00 ) != (DTLS1_VERSION & 0xff00) &&
-			    (s->version & 0xff00 ) != (DTLS1_BAD_VER & 0xff00))
-				{
-				SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
-				ret = -1;
-				goto end;
-				}
-				
-			/* s->version=SSL3_VERSION; */
-			s->type=SSL_ST_CONNECT;
-
-			if (s->init_buf == NULL)
-				{
-				if ((buf=BUF_MEM_new()) == NULL)
-					{
-					ret= -1;
-					goto end;
-					}
-				if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
-					{
-					ret= -1;
-					goto end;
-					}
-				s->init_buf=buf;
-				buf=NULL;
-				}
-
-			if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
-
-			/* setup buffing BIO */
-			if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
-
-			/* don't push the buffering BIO quite yet */
-
-			s->state=SSL3_ST_CW_CLNT_HELLO_A;
-			s->ctx->stats.sess_connect++;
-			s->init_num=0;
-			/* mark client_random uninitialized */
-			memset(s->s3->client_random,0,sizeof(s->s3->client_random));
-			s->d1->send_cookie = 0;
-			s->hit = 0;
-			break;
-
-		case SSL3_ST_CW_CLNT_HELLO_A:
-		case SSL3_ST_CW_CLNT_HELLO_B:
-
-			s->shutdown=0;
-
-			/* every DTLS ClientHello resets Finished MAC */
-			ssl3_init_finished_mac(s);
-
-			dtls1_start_timer(s);
-			ret=dtls1_client_hello(s);
-			if (ret <= 0) goto end;
-
-			if ( s->d1->send_cookie)
-				{
-				s->state=SSL3_ST_CW_FLUSH;
-				s->s3->tmp.next_state=SSL3_ST_CR_SRVR_HELLO_A;
-				}
-			else
-				s->state=SSL3_ST_CR_SRVR_HELLO_A;
-
-			s->init_num=0;
-
-			/* turn on buffering for the next lot of output */
-			if (s->bbio != s->wbio)
-				s->wbio=BIO_push(s->bbio,s->wbio);
-
-			break;
-
-		case SSL3_ST_CR_SRVR_HELLO_A:
-		case SSL3_ST_CR_SRVR_HELLO_B:
-			ret=ssl3_get_server_hello(s);
-			if (ret <= 0) goto end;
-			else
-				{
-				if (s->hit)
-					s->state=SSL3_ST_CR_FINISHED_A;
-				else
-					s->state=DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A;
-				}
-			s->init_num=0;
-			break;
-
-		case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
-		case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
-
-			ret = dtls1_get_hello_verify(s);
-			if ( ret <= 0)
-				goto end;
-			dtls1_stop_timer(s);
-			if ( s->d1->send_cookie) /* start again, with a cookie */
-				s->state=SSL3_ST_CW_CLNT_HELLO_A;
-			else
-				s->state = SSL3_ST_CR_CERT_A;
-			s->init_num = 0;
-			break;
-
-		case SSL3_ST_CR_CERT_A:
-		case SSL3_ST_CR_CERT_B:
+{
+    BUF_MEM *buf = NULL;
+    unsigned long Time = (unsigned long)time(NULL);
+    void (*cb) (const SSL *ssl, int type, int val) = NULL;
+    int ret = -1;
+    int new_state, state, skip = 0;;
+
+    RAND_add(&Time, sizeof(Time), 0);
+    ERR_clear_error();
+    clear_sys_error();
+
+    if (s->info_callback != NULL)
+        cb = s->info_callback;
+    else if (s->ctx->info_callback != NULL)
+        cb = s->ctx->info_callback;
+
+    s->in_handshake++;
+    if (!SSL_in_init(s) || SSL_in_before(s))
+        SSL_clear(s);
+
+    for (;;) {
+        state = s->state;
+
+        switch (s->state) {
+        case SSL_ST_RENEGOTIATE:
+            s->new_session = 1;
+            s->state = SSL_ST_CONNECT;
+            s->ctx->stats.sess_connect_renegotiate++;
+            /* break */
+        case SSL_ST_BEFORE:
+        case SSL_ST_CONNECT:
+        case SSL_ST_BEFORE | SSL_ST_CONNECT:
+        case SSL_ST_OK | SSL_ST_CONNECT:
+
+            s->server = 0;
+            if (cb != NULL)
+                cb(s, SSL_CB_HANDSHAKE_START, 1);
+
+            if ((s->version & 0xff00) != (DTLS1_VERSION & 0xff00) &&
+                (s->version & 0xff00) != (DTLS1_BAD_VER & 0xff00)) {
+                SSLerr(SSL_F_DTLS1_CONNECT, ERR_R_INTERNAL_ERROR);
+                ret = -1;
+                goto end;
+            }
+
+            /* s->version=SSL3_VERSION; */
+            s->type = SSL_ST_CONNECT;
+
+            if (s->init_buf == NULL) {
+                if ((buf = BUF_MEM_new()) == NULL) {
+                    ret = -1;
+                    goto end;
+                }
+                if (!BUF_MEM_grow(buf, SSL3_RT_MAX_PLAIN_LENGTH)) {
+                    ret = -1;
+                    goto end;
+                }
+                s->init_buf = buf;
+                buf = NULL;
+            }
+
+            if (!ssl3_setup_buffers(s)) {
+                ret = -1;
+                goto end;
+            }
+
+            /* setup buffing BIO */
+            if (!ssl_init_wbio_buffer(s, 0)) {
+                ret = -1;
+                goto end;
+            }
+
+            /* don't push the buffering BIO quite yet */
+
+            s->state = SSL3_ST_CW_CLNT_HELLO_A;
+            s->ctx->stats.sess_connect++;
+            s->init_num = 0;
+            /* mark client_random uninitialized */
+            memset(s->s3->client_random, 0, sizeof(s->s3->client_random));
+            s->d1->send_cookie = 0;
+            s->hit = 0;
+            break;
+
+        case SSL3_ST_CW_CLNT_HELLO_A:
+        case SSL3_ST_CW_CLNT_HELLO_B:
+
+            s->shutdown = 0;
+
+            /* every DTLS ClientHello resets Finished MAC */
+            ssl3_init_finished_mac(s);
+
+            dtls1_start_timer(s);
+            ret = dtls1_client_hello(s);
+            if (ret <= 0)
+                goto end;
+
+            if (s->d1->send_cookie) {
+                s->state = SSL3_ST_CW_FLUSH;
+                s->s3->tmp.next_state = SSL3_ST_CR_SRVR_HELLO_A;
+            } else
+                s->state = SSL3_ST_CR_SRVR_HELLO_A;
+
+            s->init_num = 0;
+
+            /* turn on buffering for the next lot of output */
+            if (s->bbio != s->wbio)
+                s->wbio = BIO_push(s->bbio, s->wbio);
+
+            break;
+
+        case SSL3_ST_CR_SRVR_HELLO_A:
+        case SSL3_ST_CR_SRVR_HELLO_B:
+            ret = ssl3_get_server_hello(s);
+            if (ret <= 0)
+                goto end;
+            else {
+                if (s->hit)
+                    s->state = SSL3_ST_CR_FINISHED_A;
+                else
+                    s->state = DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A;
+            }
+            s->init_num = 0;
+            break;
+
+        case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A:
+        case DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B:
+
+            ret = dtls1_get_hello_verify(s);
+            if (ret <= 0)
+                goto end;
+            dtls1_stop_timer(s);
+            if (s->d1->send_cookie) /* start again, with a cookie */
+                s->state = SSL3_ST_CW_CLNT_HELLO_A;
+            else
+                s->state = SSL3_ST_CR_CERT_A;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CR_CERT_A:
+        case SSL3_ST_CR_CERT_B:
 #ifndef OPENSSL_NO_TLSEXT
-			ret=ssl3_check_finished(s);
-			if (ret <= 0) goto end;
-			if (ret == 2)
-				{
-				s->hit = 1;
-				if (s->tlsext_ticket_expected)
-					s->state=SSL3_ST_CR_SESSION_TICKET_A;
-				else
-					s->state=SSL3_ST_CR_FINISHED_A;
-				s->init_num=0;
-				break;
-				}
+            ret = ssl3_check_finished(s);
+            if (ret <= 0)
+                goto end;
+            if (ret == 2) {
+                s->hit = 1;
+                if (s->tlsext_ticket_expected)
+                    s->state = SSL3_ST_CR_SESSION_TICKET_A;
+                else
+                    s->state = SSL3_ST_CR_FINISHED_A;
+                s->init_num = 0;
+                break;
+            }
 #endif
-			/* Check if it is anon DH */
-			if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
-				{
-				ret=ssl3_get_server_certificate(s);
-				if (ret <= 0) goto end;
+            /* Check if it is anon DH */
+            if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)) {
+                ret = ssl3_get_server_certificate(s);
+                if (ret <= 0)
+                    goto end;
 #ifndef OPENSSL_NO_TLSEXT
-				if (s->tlsext_status_expected)
-					s->state=SSL3_ST_CR_CERT_STATUS_A;
-				else
-					s->state=SSL3_ST_CR_KEY_EXCH_A;
-				}
-			else
-				{
-				skip = 1;
-				s->state=SSL3_ST_CR_KEY_EXCH_A;
-				}
+                if (s->tlsext_status_expected)
+                    s->state = SSL3_ST_CR_CERT_STATUS_A;
+                else
+                    s->state = SSL3_ST_CR_KEY_EXCH_A;
+            } else {
+                skip = 1;
+                s->state = SSL3_ST_CR_KEY_EXCH_A;
+            }
 #else
-				}
-			else
-				skip=1;
+            } else
+                skip = 1;
 
-			s->state=SSL3_ST_CR_KEY_EXCH_A;
+            s->state = SSL3_ST_CR_KEY_EXCH_A;
 #endif
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CR_KEY_EXCH_A:
-		case SSL3_ST_CR_KEY_EXCH_B:
-			ret=ssl3_get_key_exchange(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CR_CERT_REQ_A;
-			s->init_num=0;
-
-			/* at this point we check that we have the
-			 * required stuff from the server */
-			if (!ssl3_check_cert_and_algorithm(s))
-				{
-				ret= -1;
-				goto end;
-				}
-			break;
-
-		case SSL3_ST_CR_CERT_REQ_A:
-		case SSL3_ST_CR_CERT_REQ_B:
-			ret=ssl3_get_certificate_request(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CR_SRVR_DONE_A;
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CR_SRVR_DONE_A:
-		case SSL3_ST_CR_SRVR_DONE_B:
-			ret=ssl3_get_server_done(s);
-			if (ret <= 0) goto end;
-			dtls1_stop_timer(s);
-			if (s->s3->tmp.cert_req)
-				s->state=SSL3_ST_CW_CERT_A;
-			else
-				s->state=SSL3_ST_CW_KEY_EXCH_A;
-			s->init_num=0;
-
-			break;
-
-		case SSL3_ST_CW_CERT_A:
-		case SSL3_ST_CW_CERT_B:
-		case SSL3_ST_CW_CERT_C:
-		case SSL3_ST_CW_CERT_D:
-			dtls1_start_timer(s);
-			ret=dtls1_send_client_certificate(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CW_KEY_EXCH_A;
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_KEY_EXCH_A:
-		case SSL3_ST_CW_KEY_EXCH_B:
-			dtls1_start_timer(s);
-			ret=dtls1_send_client_key_exchange(s);
-			if (ret <= 0) goto end;
-			/* EAY EAY EAY need to check for DH fix cert
-			 * sent back */
-			/* For TLS, cert_req is set to 2, so a cert chain
-			 * of nothing is sent, but no verify packet is sent */
-			if (s->s3->tmp.cert_req == 1)
-				{
-				s->state=SSL3_ST_CW_CERT_VRFY_A;
-				}
-			else
-				{
-				s->state=SSL3_ST_CW_CHANGE_A;
-				s->s3->change_cipher_spec=0;
-				}
-
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_CERT_VRFY_A:
-		case SSL3_ST_CW_CERT_VRFY_B:
-			dtls1_start_timer(s);
-			ret=dtls1_send_client_verify(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CW_CHANGE_A;
-			s->init_num=0;
-			s->s3->change_cipher_spec=0;
-			break;
-
-		case SSL3_ST_CW_CHANGE_A:
-		case SSL3_ST_CW_CHANGE_B:
-			if (!s->hit)
-				dtls1_start_timer(s);
-			ret=dtls1_send_change_cipher_spec(s,
-				SSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CW_FINISHED_A;
-			s->init_num=0;
-
-			s->session->cipher=s->s3->tmp.new_cipher;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CR_KEY_EXCH_A:
+        case SSL3_ST_CR_KEY_EXCH_B:
+            ret = ssl3_get_key_exchange(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CR_CERT_REQ_A;
+            s->init_num = 0;
+
+            /*
+             * at this point we check that we have the required stuff from
+             * the server
+             */
+            if (!ssl3_check_cert_and_algorithm(s)) {
+                ret = -1;
+                goto end;
+            }
+            break;
+
+        case SSL3_ST_CR_CERT_REQ_A:
+        case SSL3_ST_CR_CERT_REQ_B:
+            ret = ssl3_get_certificate_request(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CR_SRVR_DONE_A;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CR_SRVR_DONE_A:
+        case SSL3_ST_CR_SRVR_DONE_B:
+            ret = ssl3_get_server_done(s);
+            if (ret <= 0)
+                goto end;
+            dtls1_stop_timer(s);
+            if (s->s3->tmp.cert_req)
+                s->state = SSL3_ST_CW_CERT_A;
+            else
+                s->state = SSL3_ST_CW_KEY_EXCH_A;
+            s->init_num = 0;
+
+            break;
+
+        case SSL3_ST_CW_CERT_A:
+        case SSL3_ST_CW_CERT_B:
+        case SSL3_ST_CW_CERT_C:
+        case SSL3_ST_CW_CERT_D:
+            dtls1_start_timer(s);
+            ret = dtls1_send_client_certificate(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CW_KEY_EXCH_A;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CW_KEY_EXCH_A:
+        case SSL3_ST_CW_KEY_EXCH_B:
+            dtls1_start_timer(s);
+            ret = dtls1_send_client_key_exchange(s);
+            if (ret <= 0)
+                goto end;
+            /*
+             * EAY EAY EAY need to check for DH fix cert sent back
+             */
+            /*
+             * For TLS, cert_req is set to 2, so a cert chain of nothing is
+             * sent, but no verify packet is sent
+             */
+            if (s->s3->tmp.cert_req == 1) {
+                s->state = SSL3_ST_CW_CERT_VRFY_A;
+            } else {
+                s->state = SSL3_ST_CW_CHANGE_A;
+                s->s3->change_cipher_spec = 0;
+            }
+
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CW_CERT_VRFY_A:
+        case SSL3_ST_CW_CERT_VRFY_B:
+            dtls1_start_timer(s);
+            ret = dtls1_send_client_verify(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CW_CHANGE_A;
+            s->init_num = 0;
+            s->s3->change_cipher_spec = 0;
+            break;
+
+        case SSL3_ST_CW_CHANGE_A:
+        case SSL3_ST_CW_CHANGE_B:
+            if (!s->hit)
+                dtls1_start_timer(s);
+            ret = dtls1_send_change_cipher_spec(s,
+                                                SSL3_ST_CW_CHANGE_A,
+                                                SSL3_ST_CW_CHANGE_B);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CW_FINISHED_A;
+            s->init_num = 0;
+
+            s->session->cipher = s->s3->tmp.new_cipher;
 #ifdef OPENSSL_NO_COMP
-			s->session->compress_meth=0;
+            s->session->compress_meth = 0;
 #else
-			if (s->s3->tmp.new_compression == NULL)
-				s->session->compress_meth=0;
-			else
-				s->session->compress_meth=
-					s->s3->tmp.new_compression->id;
+            if (s->s3->tmp.new_compression == NULL)
+                s->session->compress_meth = 0;
+            else
+                s->session->compress_meth = s->s3->tmp.new_compression->id;
 #endif
-			if (!s->method->ssl3_enc->setup_key_block(s))
-				{
-				ret= -1;
-				goto end;
-				}
-
-			if (!s->method->ssl3_enc->change_cipher_state(s,
-				SSL3_CHANGE_CIPHER_CLIENT_WRITE))
-				{
-				ret= -1;
-				goto end;
-				}
-			
-			dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
-			break;
-
-		case SSL3_ST_CW_FINISHED_A:
-		case SSL3_ST_CW_FINISHED_B:
-			if (!s->hit)
-				dtls1_start_timer(s);
-			ret=dtls1_send_finished(s,
-				SSL3_ST_CW_FINISHED_A,SSL3_ST_CW_FINISHED_B,
-				s->method->ssl3_enc->client_finished_label,
-				s->method->ssl3_enc->client_finished_label_len);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CW_FLUSH;
-
-			/* clear flags */
-			s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
-			if (s->hit)
-				{
-				s->s3->tmp.next_state=SSL_ST_OK;
-				if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
-					{
-					s->state=SSL_ST_OK;
-					s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
-					s->s3->delay_buf_pop_ret=0;
-					}
-				}
-			else
-				{
+            if (!s->method->ssl3_enc->setup_key_block(s)) {
+                ret = -1;
+                goto end;
+            }
+
+            if (!s->method->ssl3_enc->change_cipher_state(s,
+                                                          SSL3_CHANGE_CIPHER_CLIENT_WRITE))
+            {
+                ret = -1;
+                goto end;
+            }
+
+            dtls1_reset_seq_numbers(s, SSL3_CC_WRITE);
+            break;
+
+        case SSL3_ST_CW_FINISHED_A:
+        case SSL3_ST_CW_FINISHED_B:
+            if (!s->hit)
+                dtls1_start_timer(s);
+            ret = dtls1_send_finished(s,
+                                      SSL3_ST_CW_FINISHED_A,
+                                      SSL3_ST_CW_FINISHED_B,
+                                      s->method->
+                                      ssl3_enc->client_finished_label,
+                                      s->method->
+                                      ssl3_enc->client_finished_label_len);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CW_FLUSH;
+
+            /* clear flags */
+            s->s3->flags &= ~SSL3_FLAGS_POP_BUFFER;
+            if (s->hit) {
+                s->s3->tmp.next_state = SSL_ST_OK;
+                if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED) {
+                    s->state = SSL_ST_OK;
+                    s->s3->flags |= SSL3_FLAGS_POP_BUFFER;
+                    s->s3->delay_buf_pop_ret = 0;
+                }
+            } else {
 #ifndef OPENSSL_NO_TLSEXT
-				/* Allow NewSessionTicket if ticket expected */
-				if (s->tlsext_ticket_expected)
-					s->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A;
-				else
+                /*
+                 * Allow NewSessionTicket if ticket expected
+                 */
+                if (s->tlsext_ticket_expected)
+                    s->s3->tmp.next_state = SSL3_ST_CR_SESSION_TICKET_A;
+                else
 #endif
-				
-				s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
-				}
-			s->init_num=0;
 
-			break;
+                    s->s3->tmp.next_state = SSL3_ST_CR_FINISHED_A;
+            }
+            s->init_num = 0;
+
+            break;
 
 #ifndef OPENSSL_NO_TLSEXT
-		case SSL3_ST_CR_SESSION_TICKET_A:
-		case SSL3_ST_CR_SESSION_TICKET_B:
-			ret=ssl3_get_new_session_ticket(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CR_FINISHED_A;
-			s->init_num=0;
-		break;
-
-		case SSL3_ST_CR_CERT_STATUS_A:
-		case SSL3_ST_CR_CERT_STATUS_B:
-			ret=ssl3_get_cert_status(s);
-			if (ret <= 0) goto end;
-			s->state=SSL3_ST_CR_KEY_EXCH_A;
-			s->init_num=0;
-		break;
+        case SSL3_ST_CR_SESSION_TICKET_A:
+        case SSL3_ST_CR_SESSION_TICKET_B:
+            ret = ssl3_get_new_session_ticket(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CR_FINISHED_A;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CR_CERT_STATUS_A:
+        case SSL3_ST_CR_CERT_STATUS_B:
+            ret = ssl3_get_cert_status(s);
+            if (ret <= 0)
+                goto end;
+            s->state = SSL3_ST_CR_KEY_EXCH_A;
+            s->init_num = 0;
+            break;
 #endif
 
-		case SSL3_ST_CR_FINISHED_A:
-		case SSL3_ST_CR_FINISHED_B:
-			s->d1->change_cipher_spec_ok = 1;
-			ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
-				SSL3_ST_CR_FINISHED_B);
-			if (ret <= 0) goto end;
-			dtls1_stop_timer(s);
-
-			if (s->hit)
-				s->state=SSL3_ST_CW_CHANGE_A;
-			else
-				s->state=SSL_ST_OK;
-			s->init_num=0;
-			break;
-
-		case SSL3_ST_CW_FLUSH:
-			s->rwstate=SSL_WRITING;
-			if (BIO_flush(s->wbio) <= 0)
-				{
-				ret= -1;
-				goto end;
-				}
-			s->rwstate=SSL_NOTHING;
-			s->state=s->s3->tmp.next_state;
-			break;
-
-		case SSL_ST_OK:
-			/* clean a few things up */
-			ssl3_cleanup_key_block(s);
+        case SSL3_ST_CR_FINISHED_A:
+        case SSL3_ST_CR_FINISHED_B:
+            s->d1->change_cipher_spec_ok = 1;
+            ret = ssl3_get_finished(s, SSL3_ST_CR_FINISHED_A,
+                                    SSL3_ST_CR_FINISHED_B);
+            if (ret <= 0)
+                goto end;
+            dtls1_stop_timer(s);
+
+            if (s->hit)
+                s->state = SSL3_ST_CW_CHANGE_A;
+            else
+                s->state = SSL_ST_OK;
+            s->init_num = 0;
+            break;
+
+        case SSL3_ST_CW_FLUSH:
+            s->rwstate = SSL_WRITING;
+            if (BIO_flush(s->wbio) <= 0) {
+                ret = -1;
+                goto end;
+            }
+            s->rwstate = SSL_NOTHING;
+            s->state = s->s3->tmp.next_state;
+            break;
+
+        case SSL_ST_OK:
+            /* clean a few things up */
+            ssl3_cleanup_key_block(s);
 
 #if 0
-			if (s->init_buf != NULL)
-				{
-				BUF_MEM_free(s->init_buf);
-				s->init_buf=NULL;
-				}
+            if (s->init_buf != NULL) {
+                BUF_MEM_free(s->init_buf);
+                s->init_buf = NULL;
+            }
 #endif
 
-			/* If we are not 'joining' the last two packets,
-			 * remove the buffering now */
-			if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
-				ssl_free_wbio_buffer(s);
-			/* else do it later in ssl3_write */
-
-			s->init_num=0;
-			s->new_session=0;
-
-			ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
-			if (s->hit) s->ctx->stats.sess_hit++;
-
-			ret=1;
-			/* s->server=0; */
-			s->handshake_func=dtls1_connect;
-			s->ctx->stats.sess_connect_good++;
-
-			if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
-
-			/* done with handshaking */
-			s->d1->handshake_read_seq  = 0;
-			s->d1->next_handshake_write_seq = 0;
-			goto end;
-			/* break; */
-			
-		default:
-			SSLerr(SSL_F_DTLS1_CONNECT,SSL_R_UNKNOWN_STATE);
-			ret= -1;
-			goto end;
-			/* break; */
-			}
-
-		/* did we do anything */
-		if (!s->s3->tmp.reuse_message && !skip)
-			{
-			if (s->debug)
-				{
-				if ((ret=BIO_flush(s->wbio)) <= 0)
-					goto end;
-				}
-
-			if ((cb != NULL) && (s->state != state))
-				{
-				new_state=s->state;
-				s->state=state;
-				cb(s,SSL_CB_CONNECT_LOOP,1);
-				s->state=new_state;
-				}
-			}
-		skip=0;
-		}
-end:
-	s->in_handshake--;
-	if (buf != NULL)
-		BUF_MEM_free(buf);
-	if (cb != NULL)
-		cb(s,SSL_CB_CONNECT_EXIT,ret);
-	return(ret);
-	}
+            /*
+             * If we are not 'joining' the last two packets, remove the
+             * buffering now
+             */
+            if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
+                ssl_free_wbio_buffer(s);
+            /* else do it later in ssl3_write */
+
+            s->init_num = 0;
+            s->new_session = 0;
+
+            ssl_update_cache(s, SSL_SESS_CACHE_CLIENT);
+            if (s->hit)
+                s->ctx->stats.sess_hit++;
+
+            ret = 1;
+            /* s->server=0; */
+            s->handshake_func = dtls1_connect;
+            s->ctx->stats.sess_connect_good++;
+
+            if (cb != NULL)
+                cb(s, SSL_CB_HANDSHAKE_DONE, 1);
+
+            /* done with handshaking */
+            s->d1->handshake_read_seq = 0;
+            s->d1->next_handshake_write_seq = 0;
+            goto end;
+            /* break; */
+
+        default:
+            SSLerr(SSL_F_DTLS1_CONNECT, SSL_R_UNKNOWN_STATE);
+            ret = -1;
+            goto end;
+            /* break; */
+        }
+
+        /* did we do anything */
+        if (!s->s3->tmp.reuse_message && !skip) {
+            if (s->debug) {
+                if ((ret = BIO_flush(s->wbio)) <= 0)
+                    goto end;
+            }
+
+            if ((cb != NULL) && (s->state != state)) {
+                new_state = s->state;
+                s->state = state;
+                cb(s, SSL_CB_CONNECT_LOOP, 1);
+                s->state = new_state;
+            }
+        }
+        skip = 0;
+    }
+ end:
+    s->in_handshake--;
+    if (buf != NULL)
+        BUF_MEM_free(buf);
+    if (cb != NULL)
+        cb(s, SSL_CB_CONNECT_EXIT, ret);
+    return (ret);
+}
 
 int dtls1_client_hello(SSL *s)
-	{
-	unsigned char *buf;
-	unsigned char *p,*d;
-	unsigned int i,j;
-	unsigned long Time,l;
-	SSL_COMP *comp;
-
-	buf=(unsigned char *)s->init_buf->data;
-	if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
-		{
-		SSL_SESSION *sess = s->session;
-		if ((s->session == NULL) ||
-			(s->session->ssl_version != s->version) ||
+{
+    unsigned char *buf;
+    unsigned char *p, *d;
+    unsigned int i, j;
+    unsigned long Time, l;
+    SSL_COMP *comp;
+
+    buf = (unsigned char *)s->init_buf->data;
+    if (s->state == SSL3_ST_CW_CLNT_HELLO_A) {
+        SSL_SESSION *sess = s->session;
+        if ((s->session == NULL) || (s->session->ssl_version != s->version) ||
 #ifdef OPENSSL_NO_TLSEXT
-			!sess->session_id_length ||
+            !sess->session_id_length ||
 #else
-			(!sess->session_id_length && !sess->tlsext_tick) ||
+            (!sess->session_id_length && !sess->tlsext_tick) ||
 #endif
-			(s->session->not_resumable))
-			{
-			if (!ssl_get_new_session(s,0))
-				goto err;
-			}
-		/* else use the pre-loaded session */
-
-		p=s->s3->client_random;
-		/* if client_random is initialized, reuse it, we are
-		 * required to use same upon reply to HelloVerify */
-		for (i=0;p[i]=='\0' && i<sizeof(s->s3->client_random);i++) ;
-		if (i==sizeof(s->s3->client_random))
-			{
-			Time=(unsigned long)time(NULL);	/* Time */
-			l2n(Time,p);
-			RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4);
-			}
-
-		/* Do the message type and length last */
-		d=p= &(buf[DTLS1_HM_HEADER_LENGTH]);
-
-		*(p++)=s->version>>8;
-		*(p++)=s->version&0xff;
-		s->client_version=s->version;
-
-		/* Random stuff */
-		memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
-		p+=SSL3_RANDOM_SIZE;
-
-		/* Session ID */
-		if (s->new_session)
-			i=0;
-		else
-			i=s->session->session_id_length;
-		*(p++)=i;
-		if (i != 0)
-			{
-			if (i > sizeof s->session->session_id)
-				{
-				SSLerr(SSL_F_DTLS1_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
-				goto err;
-				}
-			memcpy(p,s->session->session_id,i);
-			p+=i;
-			}
-		
-		/* cookie stuff */
-		if ( s->d1->cookie_len > sizeof(s->d1->cookie))
-			{
-			SSLerr(SSL_F_DTLS1_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
-			goto err;
-			}
-		*(p++) = s->d1->cookie_len;
-		memcpy(p, s->d1->cookie, s->d1->cookie_len);
-		p += s->d1->cookie_len;
-
-		/* Ciphers supported */
-		i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
-		if (i == 0)
-			{
-			SSLerr(SSL_F_DTLS1_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
-			goto err;
-			}
-		s2n(i,p);
-		p+=i;
-
-		/* COMPRESSION */
-		if (s->ctx->comp_methods == NULL)
-			j=0;
-		else
-			j=sk_SSL_COMP_num(s->ctx->comp_methods);
-		*(p++)=1+j;
-		for (i=0; i<j; i++)
-			{
-			comp=sk_SSL_COMP_value(s->ctx->comp_methods,i);
-			*(p++)=comp->id;
-			}
-		*(p++)=0; /* Add the NULL method */