/* 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) 1999-2007 The OpenSSL Project. All rights reserved.
* 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
* 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:
* 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
* 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
#include <stdio.h>
#include "ssl_locl.h"
-#ifndef OPENSSL_NO_KRB5
-#include "kssl_lcl.h"
-#endif
#include <openssl/buffer.h>
#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/md5.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
+# include <openssl/dh.h>
#endif
static const SSL_METHOD *dtls1_get_client_method(int ver);
static int dtls1_get_hello_verify(SSL *s);
static const SSL_METHOD *dtls1_get_client_method(int ver)
- {
- if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
- return(DTLSv1_client_method());
- else if (ver == DTLS1_2_VERSION)
- return(DTLSv1_2_client_method());
- else
- return(NULL);
- }
+{
+ if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
+ return (DTLSv1_client_method());
+ else if (ver == DTLS1_2_VERSION)
+ return (DTLSv1_2_client_method());
+ else
+ return (NULL);
+}
IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
- DTLSv1_client_method,
- ssl_undefined_function,
- dtls1_connect,
- dtls1_get_client_method,
- DTLSv1_enc_data)
-
-IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
- DTLSv1_2_client_method,
- ssl_undefined_function,
- dtls1_connect,
- dtls1_get_client_method,
- DTLSv1_2_enc_data)
-
-IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
- DTLS_client_method,
- ssl_undefined_function,
- dtls1_connect,
- dtls1_get_client_method,
- DTLSv1_2_enc_data)
+ DTLSv1_client_method,
+ ssl_undefined_function,
+ dtls1_connect,
+ dtls1_get_client_method, DTLSv1_enc_data)
+
+ IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
+ DTLSv1_2_client_method,
+ ssl_undefined_function,
+ dtls1_connect,
+ dtls1_get_client_method, DTLSv1_2_enc_data)
+
+ IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
+ DTLS_client_method,
+ ssl_undefined_function,
+ dtls1_connect,
+ dtls1_get_client_method, DTLSv1_2_enc_data)
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;
+{
+ 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;
#ifndef OPENSSL_NO_SCTP
- unsigned char sctpauthkey[64];
- char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
+ unsigned char sctpauthkey[64];
+ char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
#endif
- RAND_add(&Time,sizeof(Time),0);
- ERR_clear_error();
- clear_sys_error();
+ 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;
- 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);
+ s->in_handshake++;
+ if (!SSL_in_init(s) || SSL_in_before(s)) {
+ if (!SSL_clear(s))
+ return -1;
+ }
#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);
+ /*
+ * 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
#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++;
- }
+ /*
+ * 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;
-
- switch(s->state)
- {
- case SSL_ST_RENEGOTIATE:
- s->renegotiate=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;
- s->d1->change_cipher_spec_ok = 0;
- /* Should have been reset by ssl3_get_finished, too. */
- s->s3->change_cipher_spec = 0;
- break;
+ for (;;) {
+ state = s->state;
+
+ switch (s->state) {
+ case SSL_ST_RENEGOTIATE:
+ s->renegotiate = 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;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
+
+ /* s->version=SSL3_VERSION; */
+ s->type = SSL_ST_CONNECT;
+
+ if (s->init_buf == NULL) {
+ if ((buf = BUF_MEM_new()) == NULL) {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
+ if (!BUF_MEM_grow(buf, SSL3_RT_MAX_PLAIN_LENGTH)) {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
+ s->init_buf = buf;
+ buf = NULL;
+ }
+
+ if (!ssl3_setup_buffers(s)) {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
+
+ /* setup buffing BIO */
+ if (!ssl_init_wbio_buffer(s, 0)) {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ 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;
+ s->d1->change_cipher_spec_ok = 0;
+ /*
+ * Should have been reset by ssl3_get_finished, too.
+ */
+ s->s3->change_cipher_spec = 0;
+ break;
#ifndef OPENSSL_NO_SCTP
- case DTLS1_SCTP_ST_CR_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=s->s3->tmp.next_state;
- break;
-
- case DTLS1_SCTP_ST_CW_WRITE_SOCK:
- /* read app data until dry event */
-
- ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(s));
- if (ret < 0) goto end;
-
- if (ret == 0)
- {
- 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;
+ case DTLS1_SCTP_ST_CR_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 = s->s3->tmp.next_state;
+ break;
+
+ case DTLS1_SCTP_ST_CW_WRITE_SOCK:
+ /* read app data until dry event */
+
+ ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(s));
+ if (ret < 0)
+ goto end;
+
+ if (ret == 0) {
+ 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_CW_CLNT_HELLO_A:
- case SSL3_ST_CW_CLNT_HELLO_B:
+ case SSL3_ST_CW_CLNT_HELLO_A:
+ case SSL3_ST_CW_CLNT_HELLO_B:
- s->shutdown=0;
+ s->shutdown = 0;
- /* every DTLS ClientHello resets Finished MAC */
- ssl3_init_finished_mac(s);
+ /* every DTLS ClientHello resets Finished MAC */
+ ssl3_init_finished_mac(s);
- dtls1_start_timer(s);
- ret=ssl3_client_hello(s);
- if (ret <= 0) goto end;
+ dtls1_start_timer(s);
+ ret = ssl3_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;
+ 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;
+ s->init_num = 0;
#ifndef OPENSSL_NO_SCTP
- /* Disable buffering for SCTP */
- if (!BIO_dgram_is_sctp(SSL_get_wbio(s)))
- {
+ /* Disable buffering for SCTP */
+ if (!BIO_dgram_is_sctp(SSL_get_wbio(s))) {
#endif
- /* turn on buffering for the next lot of output */
- if (s->bbio != s->wbio)
- s->wbio=BIO_push(s->bbio,s->wbio);
+ /*
+ * turn on buffering for the next lot of output
+ */
+ if (s->bbio != s->wbio)
+ s->wbio = BIO_push(s->bbio, s->wbio);
#ifndef OPENSSL_NO_SCTP
- }
+ }
#endif
- break;
+ 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)
- {
+ 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) {
#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);
+ /*
+ * 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_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:
- /* Check if it is anon DH or PSK */
- if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
- !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
- {
- 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;
- }
-#else
- }
- else
- skip=1;
+ 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:
+ /* Check if it is anon DH or PSK */
+ if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
+ !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) {
+ ret = ssl3_get_server_certificate(s);
+ if (ret <= 0)
+ goto end;
+
+ 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;
+ }
+
+ 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;
+ s->state = SSL_ST_ERR;
+ 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->s3->tmp.next_state = SSL3_ST_CW_CERT_A;
+ else
+ s->s3->tmp.next_state = SSL3_ST_CW_KEY_EXCH_A;
+ s->init_num = 0;
- s->state=SSL3_ST_CR_KEY_EXCH_A;
+#ifndef OPENSSL_NO_SCTP
+ if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
+ state == SSL_ST_RENEGOTIATE)
+ s->state = DTLS1_SCTP_ST_CR_READ_SOCK;
+ else
#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->s3->tmp.next_state=SSL3_ST_CW_CERT_A;
- else
- s->s3->tmp.next_state=SSL3_ST_CW_KEY_EXCH_A;
- s->init_num=0;
-
-#ifndef OPENSSL_NO_SCTP
- if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
- state == SSL_ST_RENEGOTIATE)
- s->state=DTLS1_SCTP_ST_CR_READ_SOCK;
- else
-#endif
- s->state=s->s3->tmp.next_state;
- 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=ssl3_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=ssl3_send_client_key_exchange(s);
- if (ret <= 0) goto end;
+ s->state = s->s3->tmp.next_state;
+ 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 = ssl3_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 = ssl3_send_client_key_exchange(s);
+ if (ret <= 0)
+ goto end;
#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);
+ /*
+ * 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
- /* 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
- {
+ /*
+ * 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 {
#ifndef OPENSSL_NO_SCTP
- if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
- {
- s->d1->next_state=SSL3_ST_CW_CHANGE_A;
- s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
- }
- else
+ if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
+ s->d1->next_state = SSL3_ST_CW_CHANGE_A;
+ s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
+ } else
#endif
- s->state=SSL3_ST_CW_CHANGE_A;
- }
-
- s->init_num=0;
- break;
-
- case SSL3_ST_CW_CERT_VRFY_A:
- case SSL3_ST_CW_CERT_VRFY_B:
- dtls1_start_timer(s);
- ret=ssl3_send_client_verify(s);
- if (ret <= 0) goto end;
+ s->state = SSL3_ST_CW_CHANGE_A;
+ }
+
+ s->init_num = 0;
+ break;
+
+ case SSL3_ST_CW_CERT_VRFY_A:
+ case SSL3_ST_CW_CERT_VRFY_B:
+ dtls1_start_timer(s);
+ ret = ssl3_send_client_verify(s);
+ if (ret <= 0)
+ goto end;
#ifndef OPENSSL_NO_SCTP
- if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
- {
- s->d1->next_state=SSL3_ST_CW_CHANGE_A;
- s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
- }
- else
+ if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
+ s->d1->next_state = SSL3_ST_CW_CHANGE_A;
+ s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
+ } else
#endif
- s->state=SSL3_ST_CW_CHANGE_A;
- s->init_num=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->state = SSL3_ST_CW_CHANGE_A;
+ s->init_num = 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;
- }
-
+ if (!s->method->ssl3_enc->setup_key_block(s)) {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
+
+ if (!s->method->ssl3_enc->change_cipher_state(s,
+ SSL3_CHANGE_CIPHER_CLIENT_WRITE))
+ {
+ ret = -1;
+ s->state = SSL_ST_ERR;
+ goto end;
+ }
#ifndef OPENSSL_NO_SCTP
- if (s->hit)
- {
- /* 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);
- }
+ if (s->hit) {
+ /*
+ * 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
- 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=ssl3_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;
+ 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 = ssl3_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;
#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_CW_WRITE_SOCK;
- }
+ 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_CW_WRITE_SOCK;
+ }
#endif
- if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
- {
- s->state=SSL_ST_OK;
+ if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED) {
+ s->state = SSL_ST_OK;
#ifndef OPENSSL_NO_SCTP
- if (BIO_dgram_is_sctp(SSL_get_wbio(s)))
- {
- s->d1->next_state = SSL_ST_OK;
- s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
- }
+ if (BIO_dgram_is_sctp(SSL_get_wbio(s))) {
+ s->d1->next_state = SSL_ST_OK;
+ s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
+ }
#endif
- s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
- s->s3->delay_buf_pop_ret=0;
- }
- }
- else
- {
+ s->s3->flags |= SSL3_FLAGS_POP_BUFFER;
+ s->s3->delay_buf_pop_ret = 0;
+ }
+ } else {
#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
-
-#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
+ /*
+ * 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->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;
-#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;
+ /*
+ * Allow NewSessionTicket if ticket expected
+ */
+ if (s->tlsext_ticket_expected)
+ s->s3->tmp.next_state = SSL3_ST_CR_SESSION_TICKET_A;
+ else
+ s->s3->tmp.next_state = SSL3_ST_CR_FINISHED_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;
+
+ 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;
#ifndef OPENSSL_NO_SCTP
- if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
- state == SSL_ST_RENEGOTIATE)
- {
- s->d1->next_state=s->state;
- s->state=DTLS1_SCTP_ST_CW_WRITE_SOCK;
- }
+ if (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
+ state == SSL_ST_RENEGOTIATE) {
+ s->d1->next_state = s->state;
+ s->state = DTLS1_SCTP_ST_CW_WRITE_SOCK;
+ }
#endif
- s->init_num=0;
- break;
-
- case SSL3_ST_CW_FLUSH:
- 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;
- }
- 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;
- }
-#endif
+ s->init_num = 0;
+ break;
+
+ case SSL3_ST_CW_FLUSH:
+ 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;
+ }
+ 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 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->renegotiate = 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; */
+
+ case SSL_ST_ERR:
+ 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 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->renegotiate=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--;
-
#ifndef OPENSSL_NO_SCTP
- /* Notify SCTP BIO socket to leave handshake
- * mode and allow 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);
+ /*
+ * Notify SCTP BIO socket to leave handshake mode and allow 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 (buf != NULL)
- BUF_MEM_free(buf);
- if (cb != NULL)
- cb(s,SSL_CB_CONNECT_EXIT,ret);
- return(ret);
- }
+ BUF_MEM_free(buf);
+ if (cb != NULL)
+ cb(s, SSL_CB_CONNECT_EXIT, ret);
+ return (ret);
+}
static int dtls1_get_hello_verify(SSL *s)
- {
- int n, al, ok = 0;
- unsigned char *data;
- unsigned int cookie_len;
-
- s->first_packet = 1;
- n=s->method->ssl_get_message(s,
- DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A,
- DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B,
- -1,
- s->max_cert_list,
- &ok);
- s->first_packet = 0;
-
- if (!ok) return((int)n);
-
- if (s->s3->tmp.message_type != DTLS1_MT_HELLO_VERIFY_REQUEST)
- {
- s->d1->send_cookie = 0;
- s->s3->tmp.reuse_message=1;
- return(1);
- }
-
- data = (unsigned char *)s->init_msg;
-#if 0
- if (s->method->version != DTLS_ANY_VERSION &&
- ((data[0] != (s->version>>8)) || (data[1] != (s->version&0xff))))
- {
- SSLerr(SSL_F_DTLS1_GET_HELLO_VERIFY,SSL_R_WRONG_SSL_VERSION);
- s->version=(s->version&0xff00)|data[1];
- al = SSL_AD_PROTOCOL_VERSION;
- goto f_err;
- }
-#endif
- data+=2;
-
- cookie_len = *(data++);
- if ( cookie_len > sizeof(s->d1->cookie))
- {
- al=SSL_AD_ILLEGAL_PARAMETER;
- goto f_err;
- }
-
- memcpy(s->d1->cookie, data, cookie_len);
- s->d1->cookie_len = cookie_len;
-
- s->d1->send_cookie = 1;
- return 1;
-
-f_err:
- ssl3_send_alert(s, SSL3_AL_FATAL, al);
- return -1;
- }
+{
+ int n, al, ok = 0;
+ unsigned char *data;
+ unsigned int cookie_len;
+
+ s->first_packet = 1;
+ n = s->method->ssl_get_message(s,
+ DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A,
+ DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B,
+ -1, s->max_cert_list, &ok);
+ s->first_packet = 0;
+
+ if (!ok)
+ return ((int)n);
+
+ if (s->s3->tmp.message_type != DTLS1_MT_HELLO_VERIFY_REQUEST) {
+ s->d1->send_cookie = 0;
+ s->s3->tmp.reuse_message = 1;
+ return (1);
+ }
+
+ data = (unsigned char *)s->init_msg;
+ data += 2;
+
+ cookie_len = *(data++);
+ if (cookie_len > sizeof(s->d1->cookie)) {
+ al = SSL_AD_ILLEGAL_PARAMETER;
+ goto f_err;
+ }
+
+ memcpy(s->d1->cookie, data, cookie_len);
+ s->d1->cookie_len = cookie_len;
+
+ s->d1->send_cookie = 1;
+ return 1;
+
+ f_err:
+ ssl3_send_alert(s, SSL3_AL_FATAL, al);
+ s->state = SSL_ST_ERR;
+ return -1;
+}
projects / openssl.git / blobdiff