X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fd1_msg.c;h=5906e88ca68f69b04c62f764cc27a58bd4536266;hp=4a2f0dc9805e45ee905100b520ab13ffde37a75d;hb=51cf8ba038aae10df9895b0001715938f7ad0c75;hpb=024f543c15e70acb57a80067c3b32227f87bfe5f diff --git a/ssl/d1_msg.c b/ssl/d1_msg.c index 4a2f0dc980..5906e88ca6 100644 --- a/ssl/d1_msg.c +++ b/ssl/d1_msg.c @@ -1,140 +1,23 @@ -/* 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. + * Copyright 2005-2016 The OpenSSL Project Authors. All Rights Reserved. * - * 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.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ -#define USE_SOCKETS #include "ssl_locl.h" - -int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, int len) + +int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, + size_t *written) { 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) && !ossl_statem_get_in_handshake(s)) || - (BIO_dgram_is_sctp(SSL_get_wbio(s)) && - ossl_statem_in_sctp_read_sock(s))) -#else - if (SSL_in_init(s) && !ossl_statem_get_in_handshake(s)) -#endif - { + if (SSL_in_init(s) && !ossl_statem_get_in_handshake(s)) { i = s->handshake_func(s); if (i < 0) - return (i); + return i; if (i == 0) { SSLerr(SSL_F_DTLS1_WRITE_APP_DATA_BYTES, SSL_R_SSL_HANDSHAKE_FAILURE); @@ -147,8 +30,7 @@ int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, int len) return -1; } - i = dtls1_write_bytes(s, type, buf_, len); - return i; + return dtls1_write_bytes(s, type, buf_, len, written); } int dtls1_dispatch_alert(SSL *s) @@ -157,6 +39,7 @@ int dtls1_dispatch_alert(SSL *s) void (*cb) (const SSL *ssl, int type, int val) = NULL; unsigned char buf[DTLS1_AL_HEADER_LENGTH]; unsigned char *ptr = &buf[0]; + size_t written; s->s3->alert_dispatch = 0; @@ -164,23 +47,12 @@ int dtls1_dispatch_alert(SSL *s) *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); + i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), 0, &written); 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 - ) + if (s->s3->send_alert[0] == SSL3_AL_FATAL) (void)BIO_flush(s->wbio); if (s->msg_callback) @@ -197,5 +69,5 @@ int dtls1_dispatch_alert(SSL *s) cb(s, SSL_CB_WRITE_ALERT, j); } } - return (i); + return i; }