diff options
author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2014-04-14 10:49:13 +0000 |
---|---|---|
committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2014-04-14 10:49:13 +0000 |
commit | 7e8ccda31d415795609ffb4c601a28afa6e59a27 (patch) | |
tree | 9cb2a01a4f0674148539a92cf40667e628404ab9 /lib | |
parent | b52aaec33ffe2676b99d421cf6f513dc34caa454 (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.c | 319 |
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; - } |