the new files s3_msg.c and s1_msg.c respectively.
Reviewed-by: Richard Levitte <levitte@openssl.org>
SHARED_LIB= libssl$(SHLIB_EXT)
LIBSRC= \
s3_meth.c s3_srvr.c s3_clnt.c s3_lib.c s3_enc.c s3_pkt.c s3_both.c s3_cbc.c \
- s23_meth.c s23_srvr.c s23_clnt.c s23_lib.c s23_pkt.c \
+ s3_msg.c \
+ s23_meth.c s23_srvr.c s23_clnt.c s23_lib.c s23_pkt.c \
t1_meth.c t1_srvr.c t1_clnt.c t1_lib.c t1_enc.c t1_ext.c \
- d1_meth.c d1_srvr.c d1_clnt.c d1_lib.c d1_pkt.c \
+ d1_meth.c d1_srvr.c d1_clnt.c d1_lib.c d1_pkt.c d1_msg.c \
d1_both.c d1_srtp.c \
ssl_lib.c ssl_err2.c ssl_cert.c ssl_sess.c \
ssl_ciph.c ssl_stat.c ssl_rsa.c \
record/ssl3_buffer.c record/ssl3_record.c
LIBOBJ= \
s3_meth.o s3_srvr.o s3_clnt.o s3_lib.o s3_enc.o s3_pkt.o s3_both.o s3_cbc.o \
- s23_meth.o s23_srvr.o s23_clnt.o s23_lib.o s23_pkt.o \
+ s3_msg.o \
+ s23_meth.o s23_srvr.o s23_clnt.o s23_lib.o s23_pkt.o \
t1_meth.o t1_srvr.o t1_clnt.o t1_lib.o t1_enc.o t1_ext.o \
- d1_meth.o d1_srvr.o d1_clnt.o d1_lib.o d1_pkt.o \
+ d1_meth.o d1_srvr.o d1_clnt.o d1_lib.o d1_pkt.o d1_msg.o \
d1_both.o d1_srtp.o\
ssl_lib.o ssl_err2.o ssl_cert.o ssl_sess.o \
ssl_ciph.o ssl_stat.o ssl_rsa.o \
--- /dev/null
+/* ssl/d1_msg.c */
+/*
+ * DTLS implementation written by Nagendra Modadugu
+ * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * 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
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * 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:
+ * 1. Redistributions of source code must retain the copyright
+ * 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 the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * 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
+ * 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
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * [including the GNU Public Licence.]
+ */
+
+#define USE_SOCKETS
+#include "ssl_locl.h"
+
+int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, int len)
+{
+ int i;
+
+#ifndef OPENSSL_NO_SCTP
+ /*
+ * Check if we have to continue an interrupted handshake for reading
+ * belated app data with SCTP.
+ */
+ if ((SSL_in_init(s) && !s->in_handshake) ||
+ (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
+ (s->state == DTLS1_SCTP_ST_SR_READ_SOCK
+ || s->state == DTLS1_SCTP_ST_CR_READ_SOCK)))
+#else
+ if (SSL_in_init(s) && !s->in_handshake)
+#endif
+ {
+ i = s->handshake_func(s);
+ if (i < 0)
+ return (i);
+ if (i == 0) {
+ SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES,
+ SSL_R_SSL_HANDSHAKE_FAILURE);
+ return -1;
+ }
+ }
+
+ if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
+ SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES, SSL_R_DTLS_MESSAGE_TOO_BIG);
+ return -1;
+ }
+
+ i = dtls1_write_bytes(s, type, buf_, len);
+ return i;
+}
+
+int dtls1_dispatch_alert(SSL *s)
+{
+ int i, j;
+ void (*cb) (const SSL *ssl, int type, int val) = NULL;
+ unsigned char buf[DTLS1_AL_HEADER_LENGTH];
+ unsigned char *ptr = &buf[0];
+
+ s->s3->alert_dispatch = 0;
+
+ memset(buf, 0x00, sizeof(buf));
+ *ptr++ = s->s3->send_alert[0];
+ *ptr++ = s->s3->send_alert[1];
+
+#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
+ if (s->s3->send_alert[1] == DTLS1_AD_MISSING_HANDSHAKE_MESSAGE) {
+ s2n(s->d1->handshake_read_seq, ptr);
+ l2n3(s->d1->r_msg_hdr.frag_off, ptr);
+ }
+#endif
+
+ i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), 0);
+ if (i <= 0) {
+ s->s3->alert_dispatch = 1;
+ /* fprintf( stderr, "not done with alert\n" ); */
+ } else {
+ if (s->s3->send_alert[0] == SSL3_AL_FATAL
+#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
+ || s->s3->send_alert[1] == DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
+#endif
+ )
+ (void)BIO_flush(s->wbio);
+
+ if (s->msg_callback)
+ s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3->send_alert,
+ 2, s, s->msg_callback_arg);
+
+ if (s->info_callback != NULL)
+ cb = s->info_callback;
+ else if (s->ctx->info_callback != NULL)
+ cb = s->ctx->info_callback;
+
+ if (cb != NULL) {
+ j = (s->s3->send_alert[0] << 8) | s->s3->send_alert[1];
+ cb(s, SSL_CB_WRITE_ALERT, j);
+ }
+ }
+ return (i);
+}
return (-1);
}
-int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, int len)
-{
- int i;
-
-#ifndef OPENSSL_NO_SCTP
- /*
- * Check if we have to continue an interrupted handshake for reading
- * belated app data with SCTP.
- */
- if ((SSL_in_init(s) && !s->in_handshake) ||
- (BIO_dgram_is_sctp(SSL_get_wbio(s)) &&
- (s->state == DTLS1_SCTP_ST_SR_READ_SOCK
- || s->state == DTLS1_SCTP_ST_CR_READ_SOCK)))
-#else
- if (SSL_in_init(s) && !s->in_handshake)
-#endif
- {
- i = s->handshake_func(s);
- if (i < 0)
- return (i);
- if (i == 0) {
- SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES,
- SSL_R_SSL_HANDSHAKE_FAILURE);
- return -1;
- }
- }
-
- if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
- SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES, SSL_R_DTLS_MESSAGE_TOO_BIG);
- return -1;
- }
-
- i = dtls1_write_bytes(s, type, buf_, len);
- return i;
-}
/*
* this only happens when a client hello is received and a handshake
}
}
-int dtls1_dispatch_alert(SSL *s)
-{
- int i, j;
- void (*cb) (const SSL *ssl, int type, int val) = NULL;
- unsigned char buf[DTLS1_AL_HEADER_LENGTH];
- unsigned char *ptr = &buf[0];
-
- s->s3->alert_dispatch = 0;
-
- memset(buf, 0x00, sizeof(buf));
- *ptr++ = s->s3->send_alert[0];
- *ptr++ = s->s3->send_alert[1];
-
-#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
- if (s->s3->send_alert[1] == DTLS1_AD_MISSING_HANDSHAKE_MESSAGE) {
- s2n(s->d1->handshake_read_seq, ptr);
- l2n3(s->d1->r_msg_hdr.frag_off, ptr);
- }
-#endif
-
- i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), 0);
- if (i <= 0) {
- s->s3->alert_dispatch = 1;
- /* fprintf( stderr, "not done with alert\n" ); */
- } else {
- if (s->s3->send_alert[0] == SSL3_AL_FATAL
-#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
- || s->s3->send_alert[1] == DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
-#endif
- )
- (void)BIO_flush(s->wbio);
-
- if (s->msg_callback)
- s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3->send_alert,
- 2, s, s->msg_callback_arg);
-
- if (s->info_callback != NULL)
- cb = s->info_callback;
- else if (s->ctx->info_callback != NULL)
- cb = s->ctx->info_callback;
-
- if (cb != NULL) {
- j = (s->s3->send_alert[0] << 8) | s->s3->send_alert[1];
- cb(s, SSL_CB_WRITE_ALERT, j);
- }
- }
- return (i);
-}
-
DTLS1_BITMAP *dtls1_get_bitmap(SSL *s, SSL3_RECORD *rr,
unsigned int *is_next_epoch)
{
--- /dev/null
+/* ssl/s3_msg.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * 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:
+ * 1. Redistributions of source code must retain the copyright
+ * 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 the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * 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
+ * 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
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * [including the GNU Public Licence.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * 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
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#define USE_SOCKETS
+#include "ssl_locl.h"
+
+int ssl3_do_change_cipher_spec(SSL *s)
+{
+ int i;
+ const char *sender;
+ int slen;
+
+ if (s->state & SSL_ST_ACCEPT)
+ i = SSL3_CHANGE_CIPHER_SERVER_READ;
+ else
+ i = SSL3_CHANGE_CIPHER_CLIENT_READ;
+
+ if (s->s3->tmp.key_block == NULL) {
+ if (s->session == NULL || s->session->master_key_length == 0) {
+ /* might happen if dtls1_read_bytes() calls this */
+ SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC,
+ SSL_R_CCS_RECEIVED_EARLY);
+ return (0);
+ }
+
+ s->session->cipher = s->s3->tmp.new_cipher;
+ if (!s->method->ssl3_enc->setup_key_block(s))
+ return (0);
+ }
+
+ if (!s->method->ssl3_enc->change_cipher_state(s, i))
+ return (0);
+
+ /*
+ * we have to record the message digest at this point so we can get it
+ * before we read the finished message
+ */
+ if (s->state & SSL_ST_CONNECT) {
+ sender = s->method->ssl3_enc->server_finished_label;
+ slen = s->method->ssl3_enc->server_finished_label_len;
+ } else {
+ sender = s->method->ssl3_enc->client_finished_label;
+ slen = s->method->ssl3_enc->client_finished_label_len;
+ }
+
+ i = s->method->ssl3_enc->final_finish_mac(s,
+ sender, slen,
+ s->s3->tmp.peer_finish_md);
+ if (i == 0) {
+ SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ s->s3->tmp.peer_finish_md_len = i;
+
+ return (1);
+}
+
+int ssl3_send_alert(SSL *s, int level, int desc)
+{
+ /* Map tls/ssl alert value to correct one */
+ desc = s->method->ssl3_enc->alert_value(desc);
+ if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)
+ desc = SSL_AD_HANDSHAKE_FAILURE; /* SSL 3.0 does not have
+ * protocol_version alerts */
+ if (desc < 0)
+ return -1;
+ /* If a fatal one, remove from cache */
+ if ((level == SSL3_AL_FATAL) && (s->session != NULL))
+ SSL_CTX_remove_session(s->ctx, s->session);
+
+ s->s3->alert_dispatch = 1;
+ s->s3->send_alert[0] = level;
+ s->s3->send_alert[1] = desc;
+ if (SSL3_BUFFER_get_left(RECORD_LAYER_get_wbuf(&s->rlayer)) == 0) {
+ /* data still being written out? */
+ return s->method->ssl_dispatch_alert(s);
+ }
+ /*
+ * else data is still being written out, we will get written some time in
+ * the future
+ */
+ return -1;
+}
+
+int ssl3_dispatch_alert(SSL *s)
+{
+ int i, j;
+ void (*cb) (const SSL *ssl, int type, int val) = NULL;
+
+ s->s3->alert_dispatch = 0;
+ i = do_ssl3_write(s, SSL3_RT_ALERT, &s->s3->send_alert[0], 2, 0);
+ if (i <= 0) {
+ s->s3->alert_dispatch = 1;
+ } else {
+ /*
+ * Alert sent to BIO. If it is important, flush it now. If the
+ * message does not get sent due to non-blocking IO, we will not
+ * worry too much.
+ */
+ if (s->s3->send_alert[0] == SSL3_AL_FATAL)
+ (void)BIO_flush(s->wbio);
+
+ if (s->msg_callback)
+ s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3->send_alert,
+ 2, s, s->msg_callback_arg);
+
+ if (s->info_callback != NULL)
+ cb = s->info_callback;
+ else if (s->ctx->info_callback != NULL)
+ cb = s->ctx->info_callback;
+
+ if (cb != NULL) {
+ j = (s->s3->send_alert[0] << 8) | s->s3->send_alert[1];
+ cb(s, SSL_CB_WRITE_ALERT, j);
+ }
+ }
+ return (i);
+}
# define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0
#endif
-static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
- unsigned int len, int create_empty_fragment);
-
int ssl3_read_n(SSL *s, int n, int max, int extend)
{
/*
}
}
-static int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
- unsigned int len, int create_empty_fragment)
+int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
+ unsigned int len, int create_empty_fragment)
{
unsigned char *p, *plen;
int i, mac_size, clear = 0;
return (-1);
}
-int ssl3_do_change_cipher_spec(SSL *s)
-{
- int i;
- const char *sender;
- int slen;
-
- if (s->state & SSL_ST_ACCEPT)
- i = SSL3_CHANGE_CIPHER_SERVER_READ;
- else
- i = SSL3_CHANGE_CIPHER_CLIENT_READ;
-
- if (s->s3->tmp.key_block == NULL) {
- if (s->session == NULL || s->session->master_key_length == 0) {
- /* might happen if dtls1_read_bytes() calls this */
- SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC,
- SSL_R_CCS_RECEIVED_EARLY);
- return (0);
- }
-
- s->session->cipher = s->s3->tmp.new_cipher;
- if (!s->method->ssl3_enc->setup_key_block(s))
- return (0);
- }
-
- if (!s->method->ssl3_enc->change_cipher_state(s, i))
- return (0);
-
- /*
- * we have to record the message digest at this point so we can get it
- * before we read the finished message
- */
- if (s->state & SSL_ST_CONNECT) {
- sender = s->method->ssl3_enc->server_finished_label;
- slen = s->method->ssl3_enc->server_finished_label_len;
- } else {
- sender = s->method->ssl3_enc->client_finished_label;
- slen = s->method->ssl3_enc->client_finished_label_len;
- }
-
- i = s->method->ssl3_enc->final_finish_mac(s,
- sender, slen,
- s->s3->tmp.peer_finish_md);
- if (i == 0) {
- SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC, ERR_R_INTERNAL_ERROR);
- return 0;
- }
- s->s3->tmp.peer_finish_md_len = i;
-
- return (1);
-}
-
-int ssl3_send_alert(SSL *s, int level, int desc)
-{
- /* Map tls/ssl alert value to correct one */
- desc = s->method->ssl3_enc->alert_value(desc);
- if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)
- desc = SSL_AD_HANDSHAKE_FAILURE; /* SSL 3.0 does not have
- * protocol_version alerts */
- if (desc < 0)
- return -1;
- /* If a fatal one, remove from cache */
- if ((level == SSL3_AL_FATAL) && (s->session != NULL))
- SSL_CTX_remove_session(s->ctx, s->session);
-
- s->s3->alert_dispatch = 1;
- s->s3->send_alert[0] = level;
- s->s3->send_alert[1] = desc;
- if (SSL3_BUFFER_get_left(RECORD_LAYER_get_wbuf(&s->rlayer)) == 0) {
- /* data still being written out? */
- return s->method->ssl_dispatch_alert(s);
- }
- /*
- * else data is still being written out, we will get written some time in
- * the future
- */
- return -1;
-}
-
-int ssl3_dispatch_alert(SSL *s)
-{
- int i, j;
- void (*cb) (const SSL *ssl, int type, int val) = NULL;
-
- s->s3->alert_dispatch = 0;
- i = do_ssl3_write(s, SSL3_RT_ALERT, &s->s3->send_alert[0], 2, 0);
- if (i <= 0) {
- s->s3->alert_dispatch = 1;
- } else {
- /*
- * Alert sent to BIO. If it is important, flush it now. If the
- * message does not get sent due to non-blocking IO, we will not
- * worry too much.
- */
- if (s->s3->send_alert[0] == SSL3_AL_FATAL)
- (void)BIO_flush(s->wbio);
-
- if (s->msg_callback)
- s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3->send_alert,
- 2, s, s->msg_callback_arg);
-
- if (s->info_callback != NULL)
- cb = s->info_callback;
- else if (s->ctx->info_callback != NULL)
- cb = s->ctx->info_callback;
- if (cb != NULL) {
- j = (s->s3->send_alert[0] << 8) | s->s3->send_alert[1];
- cb(s, SSL_CB_WRITE_ALERT, j);
- }
- }
- return (i);
-}
__owur long tls1_default_timeout(void);
__owur int dtls1_do_write(SSL *s, int type);
+__owur int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
+ unsigned int len, int create_empty_fragment);
__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
__owur int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
projects / oweals / openssl.git / commitdiff