1 files changed, 27 insertions, 292 deletions

diff --git a/lib/libssl/d1_lib.c b/lib/libssl/d1_lib.c
index 750f83e04a5..2c61438f25f 100644
--- a/lib/libssl/d1_lib.c
+++ b/lib/libssl/d1_lib.c
@@ -57,18 +57,11 @@
  *
  */
 
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-
 #include <stdio.h>
 #include <openssl/objects.h>
 #include "ssl_locl.h"
 
-static void get_current_time(struct timeval *t);
 const char dtls1_version_str[]="DTLSv1" OPENSSL_VERSION_PTEXT;
-int dtls1_listen(SSL *s, struct sockaddr *client);
 
 SSL3_ENC_METHOD DTLSv1_enc_data={
     dtls1_enc,
@@ -82,7 +75,6 @@ SSL3_ENC_METHOD DTLSv1_enc_data={
 	TLS_MD_CLIENT_FINISH_CONST,TLS_MD_CLIENT_FINISH_CONST_SIZE,
 	TLS_MD_SERVER_FINISH_CONST,TLS_MD_SERVER_FINISH_CONST_SIZE,
 	tls1_alert_code,
-	tls1_export_keying_material,
 	};
 
 long dtls1_default_timeout(void)
@@ -92,6 +84,11 @@ long dtls1_default_timeout(void)
 	return(60*60*2);
 	}
 
+IMPLEMENT_dtls1_meth_func(dtlsv1_base_method,
+			ssl_undefined_function,
+			ssl_undefined_function,
+			ssl_bad_method)
+
 int dtls1_new(SSL *s)
 	{
 	DTLS1_STATE *d1;
@@ -101,12 +98,17 @@ int dtls1_new(SSL *s)
 	memset(d1,0, sizeof *d1);
 
 	/* d1->handshake_epoch=0; */
+	d1->bitmap.length=sizeof(d1->bitmap.map) * 8;
+	pq_64bit_init(&(d1->bitmap.map));
+	pq_64bit_init(&(d1->bitmap.max_seq_num));
+	
+	pq_64bit_init(&(d1->next_bitmap.map));
+	pq_64bit_init(&(d1->next_bitmap.max_seq_num));
 
 	d1->unprocessed_rcds.q=pqueue_new();
 	d1->processed_rcds.q=pqueue_new();
 	d1->buffered_messages = pqueue_new();
 	d1->sent_messages=pqueue_new();
-	d1->buffered_app_data.q=pqueue_new();
 
 	if ( s->server)
 		{
@@ -114,13 +116,12 @@ int dtls1_new(SSL *s)
 		}
 
 	if( ! d1->unprocessed_rcds.q || ! d1->processed_rcds.q 
-        || ! d1->buffered_messages || ! d1->sent_messages || ! d1->buffered_app_data.q)
+        || ! d1->buffered_messages || ! d1->sent_messages)
 		{
         if ( d1->unprocessed_rcds.q) pqueue_free(d1->unprocessed_rcds.q);
         if ( d1->processed_rcds.q) pqueue_free(d1->processed_rcds.q);
         if ( d1->buffered_messages) pqueue_free(d1->buffered_messages);
 		if ( d1->sent_messages) pqueue_free(d1->sent_messages);
-		if ( d1->buffered_app_data.q) pqueue_free(d1->buffered_app_data.q);
 		OPENSSL_free(d1);
 		return (0);
 		}
@@ -130,33 +131,26 @@ int dtls1_new(SSL *s)
 	return(1);
 	}
 
-static void dtls1_clear_queues(SSL *s)
+void dtls1_free(SSL *s)
 	{
     pitem *item = NULL;
     hm_fragment *frag = NULL;
-	DTLS1_RECORD_DATA *rdata;
+
+	ssl3_free(s);
 
     while( (item = pqueue_pop(s->d1->unprocessed_rcds.q)) != NULL)
         {
-		rdata = (DTLS1_RECORD_DATA *) item->data;
-		if (rdata->rbuf.buf)
-			{
-			OPENSSL_free(rdata->rbuf.buf);
-			}
         OPENSSL_free(item->data);
         pitem_free(item);
         }
+    pqueue_free(s->d1->unprocessed_rcds.q);
 
     while( (item = pqueue_pop(s->d1->processed_rcds.q)) != NULL)
         {
-		rdata = (DTLS1_RECORD_DATA *) item->data;
-		if (rdata->rbuf.buf)
-			{
-			OPENSSL_free(rdata->rbuf.buf);
-			}
         OPENSSL_free(item->data);
         pitem_free(item);
         }
+    pqueue_free(s->d1->processed_rcds.q);
 
     while( (item = pqueue_pop(s->d1->buffered_messages)) != NULL)
         {
@@ -165,6 +159,7 @@ static void dtls1_clear_queues(SSL *s)
         OPENSSL_free(frag);
         pitem_free(item);
         }
+    pqueue_free(s->d1->buffered_messages);
 
     while ( (item = pqueue_pop(s->d1->sent_messages)) != NULL)
         {
@@ -173,102 +168,21 @@ static void dtls1_clear_queues(SSL *s)
         OPENSSL_free(frag);
         pitem_free(item);
         }
+	pqueue_free(s->d1->sent_messages);
 
-	while ( (item = pqueue_pop(s->d1->buffered_app_data.q)) != NULL)
-		{
-		frag = (hm_fragment *)item->data;
-		OPENSSL_free(frag->fragment);
-		OPENSSL_free(frag);
-		pitem_free(item);
-		}
-	}
-
-void dtls1_free(SSL *s)
-	{
-	ssl3_free(s);
-
-	dtls1_clear_queues(s);
+	pq_64bit_free(&(s->d1->bitmap.map));
+	pq_64bit_free(&(s->d1->bitmap.max_seq_num));
 
-    pqueue_free(s->d1->unprocessed_rcds.q);
-    pqueue_free(s->d1->processed_rcds.q);
-    pqueue_free(s->d1->buffered_messages);
-	pqueue_free(s->d1->sent_messages);
-	pqueue_free(s->d1->buffered_app_data.q);
+	pq_64bit_free(&(s->d1->next_bitmap.map));
+	pq_64bit_free(&(s->d1->next_bitmap.max_seq_num));
 
 	OPENSSL_free(s->d1);
-	s->d1 = NULL;
 	}
 
 void dtls1_clear(SSL *s)
 	{
-    pqueue unprocessed_rcds;
-    pqueue processed_rcds;
-    pqueue buffered_messages;
-	pqueue sent_messages;
-	pqueue buffered_app_data;
-	unsigned int mtu;
-
-	if (s->d1)
-		{
-		unprocessed_rcds = s->d1->unprocessed_rcds.q;
-		processed_rcds = s->d1->processed_rcds.q;
-		buffered_messages = s->d1->buffered_messages;
-		sent_messages = s->d1->sent_messages;
-		buffered_app_data = s->d1->buffered_app_data.q;
-		mtu = s->d1->mtu;
-
-		dtls1_clear_queues(s);
-
-		memset(s->d1, 0, sizeof(*(s->d1)));
-
-		if (s->server)
-			{
-			s->d1->cookie_len = sizeof(s->d1->cookie);
-			}
-
-		if (SSL_get_options(s) & SSL_OP_NO_QUERY_MTU)
-			{
-			s->d1->mtu = mtu;
-			}
-
-		s->d1->unprocessed_rcds.q = unprocessed_rcds;
-		s->d1->processed_rcds.q = processed_rcds;
-		s->d1->buffered_messages = buffered_messages;
-		s->d1->sent_messages = sent_messages;
-		s->d1->buffered_app_data.q = buffered_app_data;
-		}
-
 	ssl3_clear(s);
-	if (s->options & SSL_OP_CISCO_ANYCONNECT)
-		s->version=DTLS1_BAD_VER;
-	else
-		s->version=DTLS1_VERSION;
-	}
-
-long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg)
-	{
-	int ret=0;
-
-	switch (cmd)
-		{
-	case DTLS_CTRL_GET_TIMEOUT:
-		if (dtls1_get_timeout(s, (struct timeval*) parg) != NULL)
-			{
-			ret = 1;
-			}
-		break;
-	case DTLS_CTRL_HANDLE_TIMEOUT:
-		ret = dtls1_handle_timeout(s);
-		break;
-	case DTLS_CTRL_LISTEN:
-		ret = dtls1_listen(s, parg);
-		break;
-
-	default:
-		ret = ssl3_ctrl(s, cmd, larg, parg);
-		break;
-		}
-	return(ret);
+	s->version=DTLS1_VERSION;
 	}
 
 /*
@@ -278,194 +192,15 @@ long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg)
  * to explicitly list their SSL_* codes. Currently RC4 is the only one
  * available, but if new ones emerge, they will have to be added...
  */
-const SSL_CIPHER *dtls1_get_cipher(unsigned int u)
+SSL_CIPHER *dtls1_get_cipher(unsigned int u)
 	{
-	const SSL_CIPHER *ciph = ssl3_get_cipher(u);
+	SSL_CIPHER *ciph = ssl3_get_cipher(u);
 
 	if (ciph != NULL)
 		{
-		if (ciph->algorithm_enc == SSL_RC4)
+		if ((ciph->algorithms&SSL_ENC_MASK) == SSL_RC4)
 			return NULL;
 		}
 
 	return ciph;
 	}
-
-void dtls1_start_timer(SSL *s)
-	{
-#ifndef OPENSSL_NO_SCTP
-	/* Disable timer for SCTP */
-	if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
-		{
-		memset(&(s->d1->next_timeout), 0, sizeof(struct timeval));
-		return;
-		}
-#endif
-
-	/* If timer is not set, initialize duration with 1 second */
-	if (s->d1->next_timeout.tv_sec == 0 && s->d1->next_timeout.tv_usec == 0)
-		{
-		s->d1->timeout_duration = 1;
-		}
-	
-	/* Set timeout to current time */
-	get_current_time(&(s->d1->next_timeout));
-
-	/* Add duration to current time */
-	s->d1->next_timeout.tv_sec += s->d1->timeout_duration;
-	BIO_ctrl(SSL_get_rbio(s), BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, 0, &(s->d1->next_timeout));
-	}
-
-struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft)
-	{
-	struct timeval timenow;
-
-	/* If no timeout is set, just return NULL */
-	if (s->d1->next_timeout.tv_sec == 0 && s->d1->next_timeout.tv_usec == 0)
-		{
-		return NULL;
-		}
-
-	/* Get current time */
-	get_current_time(&timenow);
-
-	/* If timer already expired, set remaining time to 0 */
-	if (s->d1->next_timeout.tv_sec < timenow.tv_sec ||
-		(s->d1->next_timeout.tv_sec == timenow.tv_sec &&
-		 s->d1->next_timeout.tv_usec <= timenow.tv_usec))
-		{
-		memset(timeleft, 0, sizeof(struct timeval));
-		return timeleft;
-		}
-
-	/* Calculate time left until timer expires */
-	memcpy(timeleft, &(s->d1->next_timeout), sizeof(struct timeval));
-	timeleft->tv_sec -= timenow.tv_sec;
-	timeleft->tv_usec -= timenow.tv_usec;
-	if (timeleft->tv_usec < 0)
-		{
-		timeleft->tv_sec--;
-		timeleft->tv_usec += 1000000;
-		}
-
-	/* If remaining time is less than 15 ms, set it to 0
-	 * to prevent issues because of small devergences with
-	 * socket timeouts.
-	 */
-	if (timeleft->tv_sec == 0 && timeleft->tv_usec < 15000)
-		{
-		memset(timeleft, 0, sizeof(struct timeval));
-		}
-	
-
-	return timeleft;
-	}
-
-int dtls1_is_timer_expired(SSL *s)
-	{
-	struct timeval timeleft;
-
-	/* Get time left until timeout, return false if no timer running */
-	if (dtls1_get_timeout(s, &timeleft) == NULL)
-		{
-		return 0;
-		}
-
-	/* Return false if timer is not expired yet */
-	if (timeleft.tv_sec > 0 || timeleft.tv_usec > 0)
-		{
-		return 0;
-		}
-
-	/* Timer expired, so return true */	
-	return 1;
-	}
-
-void dtls1_double_timeout(SSL *s)
-	{
-	s->d1->timeout_duration *= 2;
-	if (s->d1->timeout_duration > 60)
-		s->d1->timeout_duration = 60;
-	dtls1_start_timer(s);
-	}
-
-void dtls1_stop_timer(SSL *s)
-	{
-	/* Reset everything */
-	memset(&(s->d1->timeout), 0, sizeof(struct dtls1_timeout_st));
-	memset(&(s->d1->next_timeout), 0, sizeof(struct timeval));
-	s->d1->timeout_duration = 1;
-	BIO_ctrl(SSL_get_rbio(s), BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, 0, &(s->d1->next_timeout));
-	/* Clear retransmission buffer */
-	dtls1_clear_record_buffer(s);
-	}
-
-int dtls1_check_timeout_num(SSL *s)
-	{
-	s->d1->timeout.num_alerts++;
-
-	/* Reduce MTU after 2 unsuccessful retransmissions */
-	if (s->d1->timeout.num_alerts > 2)
-		{
-		s->d1->mtu = BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_GET_FALLBACK_MTU, 0, NULL);		
-		}
-
-	if (s->d1->timeout.num_alerts > DTLS1_TMO_ALERT_COUNT)
-		{
-		/* fail the connection, enough alerts have been sent */
-		SSLerr(SSL_F_DTLS1_CHECK_TIMEOUT_NUM,SSL_R_READ_TIMEOUT_EXPIRED);
-		return -1;
-		}
-
-	return 0;
-	}
-
-int dtls1_handle_timeout(SSL *s)
-	{
-	/* if no timer is expired, don't do anything */
-	if (!dtls1_is_timer_expired(s))
-		{
-		return 0;
-		}
-
-	dtls1_double_timeout(s);
-
-	if (dtls1_check_timeout_num(s) < 0)
-		return -1;
-
-	s->d1->timeout.read_timeouts++;
-	if (s->d1->timeout.read_timeouts > DTLS1_TMO_READ_COUNT)
-		{
-		s->d1->timeout.read_timeouts = 1;
-		}
-
-#ifndef OPENSSL_NO_HEARTBEATS
-	if (s->tlsext_hb_pending)
-		{
-		s->tlsext_hb_pending = 0;
-		return dtls1_heartbeat(s);
-		}
-#endif
-
-	dtls1_start_timer(s);
-	return dtls1_retransmit_buffered_messages(s);
-	}
-
-static void get_current_time(struct timeval *t)
-{
-	gettimeofday(t, NULL);
-}
-
-int dtls1_listen(SSL *s, struct sockaddr *client)
-	{
-	int ret;
-
-	SSL_set_options(s, SSL_OP_COOKIE_EXCHANGE);
-	s->d1->listen = 1;
-
-	ret = SSL_accept(s);
-	if (ret <= 0) return ret;
-	
-	(void) BIO_dgram_get_peer(SSL_get_rbio(s), client);
-	return 1;
-	}