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authorMartin Pieuchot <mpi@cvs.openbsd.org>2014-04-14 10:49:13 +0000
committerMartin Pieuchot <mpi@cvs.openbsd.org>2014-04-14 10:49:13 +0000
commit7e8ccda31d415795609ffb4c601a28afa6e59a27 (patch)
tree9cb2a01a4f0674148539a92cf40667e628404ab9 /lib
parentb52aaec33ffe2676b99d421cf6f513dc34caa454 (diff)
Revert to 1.1 minus the VMS stuff, I accidentally committed this chunk
in my last change.
Diffstat (limited to 'lib')
-rw-r--r--lib/libssl/d1_lib.c319
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;
- }