From 67326634496ef21b4acbf4cef2f05040d34aef9b Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 10 Apr 2012 11:41:26 +0200 Subject: Update to openssl-1.0.1 --- openssl/ssl/d1_srvr.c | 184 +++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 166 insertions(+), 18 deletions(-) (limited to 'openssl/ssl/d1_srvr.c') diff --git a/openssl/ssl/d1_srvr.c b/openssl/ssl/d1_srvr.c index 149983be3..5822379d1 100644 --- a/openssl/ssl/d1_srvr.c +++ b/openssl/ssl/d1_srvr.c @@ -151,6 +151,10 @@ int dtls1_accept(SSL *s) int ret= -1; int new_state,state,skip=0; int listen; +#ifndef OPENSSL_NO_SCTP + unsigned char sctpauthkey[64]; + char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)]; +#endif RAND_add(&Time,sizeof(Time),0); ERR_clear_error(); @@ -168,6 +172,13 @@ int dtls1_accept(SSL *s) if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); s->d1->listen = listen; +#ifndef OPENSSL_NO_SCTP + /* Notify SCTP BIO socket to enter handshake + * mode and prevent stream identifier other + * than 0. Will be ignored if no SCTP is used. + */ + BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE, s->in_handshake, NULL); +#endif if (s->cert == NULL) { @@ -175,6 +186,19 @@ int dtls1_accept(SSL *s) return(-1); } +#ifndef OPENSSL_NO_HEARTBEATS + /* If we're awaiting a HeartbeatResponse, pretend we + * already got and don't await it anymore, because + * Heartbeats don't make sense during handshakes anyway. + */ + if (s->tlsext_hb_pending) + { + dtls1_stop_timer(s); + s->tlsext_hb_pending = 0; + s->tlsext_hb_seq++; + } +#endif + for (;;) { state=s->state; @@ -182,7 +206,7 @@ int dtls1_accept(SSL *s) switch (s->state) { case SSL_ST_RENEGOTIATE: - s->new_session=1; + s->renegotiate=1; /* s->state=SSL_ST_ACCEPT; */ case SSL_ST_BEFORE: @@ -227,8 +251,12 @@ int dtls1_accept(SSL *s) { /* Ok, we now need to push on a buffering BIO so that * the output is sent in a way that TCP likes :-) + * ...but not with SCTP :-) */ - if (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; } +#ifndef OPENSSL_NO_SCTP + if (!BIO_dgram_is_sctp(SSL_get_wbio(s))) +#endif + if (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; } ssl3_init_finished_mac(s); s->state=SSL3_ST_SR_CLNT_HELLO_A; @@ -313,25 +341,75 @@ int dtls1_accept(SSL *s) ssl3_init_finished_mac(s); break; +#ifndef OPENSSL_NO_SCTP + case DTLS1_SCTP_ST_SR_READ_SOCK: + + if (BIO_dgram_sctp_msg_waiting(SSL_get_rbio(s))) + { + s->s3->in_read_app_data=2; + s->rwstate=SSL_READING; + BIO_clear_retry_flags(SSL_get_rbio(s)); + BIO_set_retry_read(SSL_get_rbio(s)); + ret = -1; + goto end; + } + + s->state=SSL3_ST_SR_FINISHED_A; + break; + + case DTLS1_SCTP_ST_SW_WRITE_SOCK: + ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(s)); + if (ret < 0) goto end; + + if (ret == 0) + { + if (s->d1->next_state != SSL_ST_OK) + { + s->s3->in_read_app_data=2; + s->rwstate=SSL_READING; + BIO_clear_retry_flags(SSL_get_rbio(s)); + BIO_set_retry_read(SSL_get_rbio(s)); + ret = -1; + goto end; + } + } + + s->state=s->d1->next_state; + break; +#endif + case SSL3_ST_SW_SRVR_HELLO_A: case SSL3_ST_SW_SRVR_HELLO_B: - s->new_session = 2; + s->renegotiate = 2; dtls1_start_timer(s); ret=dtls1_send_server_hello(s); if (ret <= 0) goto end; -#ifndef OPENSSL_NO_TLSEXT if (s->hit) { +#ifndef OPENSSL_NO_SCTP + /* Add new shared key for SCTP-Auth, + * will be ignored if no SCTP used. + */ + snprintf((char*) labelbuffer, sizeof(DTLS1_SCTP_AUTH_LABEL), + DTLS1_SCTP_AUTH_LABEL); + + SSL_export_keying_material(s, sctpauthkey, + sizeof(sctpauthkey), labelbuffer, + sizeof(labelbuffer), NULL, 0, 0); + + BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY, + sizeof(sctpauthkey), sctpauthkey); +#endif +#ifndef OPENSSL_NO_TLSEXT if (s->tlsext_ticket_expected) s->state=SSL3_ST_SW_SESSION_TICKET_A; else s->state=SSL3_ST_SW_CHANGE_A; - } #else - if (s->hit) - s->state=SSL3_ST_SW_CHANGE_A; + s->state=SSL3_ST_SW_CHANGE_A; #endif + } else s->state=SSL3_ST_SW_CERT_A; s->init_num=0; @@ -441,6 +519,13 @@ int dtls1_accept(SSL *s) skip=1; s->s3->tmp.cert_request=0; s->state=SSL3_ST_SW_SRVR_DONE_A; +#ifndef OPENSSL_NO_SCTP + if (BIO_dgram_is_sctp(SSL_get_wbio(s))) + { + s->d1->next_state = SSL3_ST_SW_SRVR_DONE_A; + s->state = DTLS1_SCTP_ST_SW_WRITE_SOCK; + } +#endif } else { @@ -450,9 +535,23 @@ int dtls1_accept(SSL *s) if (ret <= 0) goto end; #ifndef NETSCAPE_HANG_BUG s->state=SSL3_ST_SW_SRVR_DONE_A; +#ifndef OPENSSL_NO_SCTP + if (BIO_dgram_is_sctp(SSL_get_wbio(s))) + { + s->d1->next_state = SSL3_ST_SW_SRVR_DONE_A; + s->state = DTLS1_SCTP_ST_SW_WRITE_SOCK; + } +#endif #else s->state=SSL3_ST_SW_FLUSH; s->s3->tmp.next_state=SSL3_ST_SR_CERT_A; +#ifndef OPENSSL_NO_SCTP + if (BIO_dgram_is_sctp(SSL_get_wbio(s))) + { + s->d1->next_state = s->s3->tmp.next_state; + s->s3->tmp.next_state=DTLS1_SCTP_ST_SW_WRITE_SOCK; + } +#endif #endif s->init_num=0; } @@ -472,6 +571,13 @@ int dtls1_accept(SSL *s) s->rwstate=SSL_WRITING; if (BIO_flush(s->wbio) <= 0) { + /* If the write error was fatal, stop trying */ + if (!BIO_should_retry(s->wbio)) + { + s->rwstate=SSL_NOTHING; + s->state=s->s3->tmp.next_state; + } + ret= -1; goto end; } @@ -485,15 +591,16 @@ int dtls1_accept(SSL *s) ret = ssl3_check_client_hello(s); if (ret <= 0) goto end; - dtls1_stop_timer(s); if (ret == 2) + { + dtls1_stop_timer(s); s->state = SSL3_ST_SR_CLNT_HELLO_C; + } else { /* could be sent for a DH cert, even if we * have not asked for it :-) */ ret=ssl3_get_client_certificate(s); if (ret <= 0) goto end; - dtls1_stop_timer(s); s->init_num=0; s->state=SSL3_ST_SR_KEY_EXCH_A; } @@ -503,7 +610,21 @@ int dtls1_accept(SSL *s) case SSL3_ST_SR_KEY_EXCH_B: ret=ssl3_get_client_key_exchange(s); if (ret <= 0) goto end; - dtls1_stop_timer(s); +#ifndef OPENSSL_NO_SCTP + /* Add new shared key for SCTP-Auth, + * will be ignored if no SCTP used. + */ + snprintf((char *) labelbuffer, sizeof(DTLS1_SCTP_AUTH_LABEL), + DTLS1_SCTP_AUTH_LABEL); + + SSL_export_keying_material(s, sctpauthkey, + sizeof(sctpauthkey), labelbuffer, + sizeof(labelbuffer), NULL, 0, 0); + + BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY, + sizeof(sctpauthkey), sctpauthkey); +#endif + s->state=SSL3_ST_SR_CERT_VRFY_A; s->init_num=0; @@ -540,9 +661,13 @@ int dtls1_accept(SSL *s) /* we should decide if we expected this one */ ret=ssl3_get_cert_verify(s); if (ret <= 0) goto end; - dtls1_stop_timer(s); - - s->state=SSL3_ST_SR_FINISHED_A; +#ifndef OPENSSL_NO_SCTP + if (BIO_dgram_is_sctp(SSL_get_wbio(s)) && + state == SSL_ST_RENEGOTIATE) + s->state=DTLS1_SCTP_ST_SR_READ_SOCK; + else +#endif + s->state=SSL3_ST_SR_FINISHED_A; s->init_num=0; break; @@ -594,6 +719,14 @@ int dtls1_accept(SSL *s) SSL3_ST_SW_CHANGE_A,SSL3_ST_SW_CHANGE_B); if (ret <= 0) goto end; + +#ifndef OPENSSL_NO_SCTP + /* Change to new shared key of SCTP-Auth, + * will be ignored if no SCTP used. + */ + BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL); +#endif + s->state=SSL3_ST_SW_FINISHED_A; s->init_num=0; @@ -618,7 +751,16 @@ int dtls1_accept(SSL *s) if (s->hit) s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; else + { s->s3->tmp.next_state=SSL_ST_OK; +#ifndef OPENSSL_NO_SCTP + if (BIO_dgram_is_sctp(SSL_get_wbio(s))) + { + s->d1->next_state = s->s3->tmp.next_state; + s->s3->tmp.next_state=DTLS1_SCTP_ST_SW_WRITE_SOCK; + } +#endif + } s->init_num=0; break; @@ -636,11 +778,9 @@ int dtls1_accept(SSL *s) s->init_num=0; - if (s->new_session == 2) /* skipped if we just sent a HelloRequest */ + if (s->renegotiate == 2) /* skipped if we just sent a HelloRequest */ { - /* actually not necessarily a 'new' session unless - * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */ - + s->renegotiate=0; s->new_session=0; ssl_update_cache(s,SSL_SESS_CACHE_SERVER); @@ -692,6 +832,14 @@ end: /* BIO_flush(s->wbio); */ s->in_handshake--; +#ifndef OPENSSL_NO_SCTP + /* Notify SCTP BIO socket to leave handshake + * mode and prevent stream identifier other + * than 0. Will be ignored if no SCTP is used. + */ + BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE, s->in_handshake, NULL); +#endif + if (cb != NULL) cb(s,SSL_CB_ACCEPT_EXIT,ret); return(ret); @@ -1147,7 +1295,7 @@ int dtls1_send_server_key_exchange(SSL *s) if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) { - if ((pkey=ssl_get_sign_pkey(s,s->s3->tmp.new_cipher)) + if ((pkey=ssl_get_sign_pkey(s,s->s3->tmp.new_cipher, NULL)) == NULL) { al=SSL_AD_DECODE_ERROR; -- cgit v1.2.3