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Diffstat (limited to 'thirdparty/openssl/ssl/t1_ext.c')
-rw-r--r--thirdparty/openssl/ssl/t1_ext.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/thirdparty/openssl/ssl/t1_ext.c b/thirdparty/openssl/ssl/t1_ext.c
deleted file mode 100644
index 0f4aba0226..0000000000
--- a/thirdparty/openssl/ssl/t1_ext.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/* ssl/t1_ext.c */
-/* ====================================================================
- * Copyright (c) 2014 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).
- *
- */
-
-/* Custom extension utility functions */
-
-#include "ssl_locl.h"
-
-#ifndef OPENSSL_NO_TLSEXT
-
-/* Find a custom extension from the list. */
-static custom_ext_method *custom_ext_find(custom_ext_methods *exts,
- unsigned int ext_type)
-{
- size_t i;
- custom_ext_method *meth = exts->meths;
- for (i = 0; i < exts->meths_count; i++, meth++) {
- if (ext_type == meth->ext_type)
- return meth;
- }
- return NULL;
-}
-
-/*
- * Initialise custom extensions flags to indicate neither sent nor received.
- */
-void custom_ext_init(custom_ext_methods *exts)
-{
- size_t i;
- custom_ext_method *meth = exts->meths;
- for (i = 0; i < exts->meths_count; i++, meth++)
- meth->ext_flags = 0;
-}
-
-/* Pass received custom extension data to the application for parsing. */
-int custom_ext_parse(SSL *s, int server,
- unsigned int ext_type,
- const unsigned char *ext_data, size_t ext_size, int *al)
-{
- custom_ext_methods *exts = server ? &s->cert->srv_ext : &s->cert->cli_ext;
- custom_ext_method *meth;
- meth = custom_ext_find(exts, ext_type);
- /* If not found return success */
- if (!meth)
- return 1;
- if (!server) {
- /*
- * If it's ServerHello we can't have any extensions not sent in
- * ClientHello.
- */
- if (!(meth->ext_flags & SSL_EXT_FLAG_SENT)) {
- *al = TLS1_AD_UNSUPPORTED_EXTENSION;
- return 0;
- }
- }
- /* If already present it's a duplicate */
- if (meth->ext_flags & SSL_EXT_FLAG_RECEIVED) {
- *al = TLS1_AD_DECODE_ERROR;
- return 0;
- }
- meth->ext_flags |= SSL_EXT_FLAG_RECEIVED;
- /* If no parse function set return success */
- if (!meth->parse_cb)
- return 1;
-
- return meth->parse_cb(s, ext_type, ext_data, ext_size, al,
- meth->parse_arg);
-}
-
-/*
- * Request custom extension data from the application and add to the return
- * buffer.
- */
-int custom_ext_add(SSL *s, int server,
- unsigned char **pret, unsigned char *limit, int *al)
-{
- custom_ext_methods *exts = server ? &s->cert->srv_ext : &s->cert->cli_ext;
- custom_ext_method *meth;
- unsigned char *ret = *pret;
- size_t i;
-
- for (i = 0; i < exts->meths_count; i++) {
- const unsigned char *out = NULL;
- size_t outlen = 0;
- meth = exts->meths + i;
-
- if (server) {
- /*
- * For ServerHello only send extensions present in ClientHello.
- */
- if (!(meth->ext_flags & SSL_EXT_FLAG_RECEIVED))
- continue;
- /* If callback absent for server skip it */
- if (!meth->add_cb)
- continue;
- }
- if (meth->add_cb) {
- int cb_retval = 0;
- cb_retval = meth->add_cb(s, meth->ext_type,
- &out, &outlen, al, meth->add_arg);
- if (cb_retval < 0)
- return 0; /* error */
- if (cb_retval == 0)
- continue; /* skip this extension */
- }
- if (4 > limit - ret || outlen > (size_t)(limit - ret - 4))
- return 0;
- s2n(meth->ext_type, ret);
- s2n(outlen, ret);
- if (outlen) {
- memcpy(ret, out, outlen);
- ret += outlen;
- }
- /*
- * We can't send duplicates: code logic should prevent this.
- */
- OPENSSL_assert(!(meth->ext_flags & SSL_EXT_FLAG_SENT));
- /*
- * Indicate extension has been sent: this is both a sanity check to
- * ensure we don't send duplicate extensions and indicates that it is
- * not an error if the extension is present in ServerHello.
- */
- meth->ext_flags |= SSL_EXT_FLAG_SENT;
- if (meth->free_cb)
- meth->free_cb(s, meth->ext_type, out, meth->add_arg);
- }
- *pret = ret;
- return 1;
-}
-
-/* Copy the flags from src to dst for any extensions that exist in both */
-int custom_exts_copy_flags(custom_ext_methods *dst,
- const custom_ext_methods *src)
-{
- size_t i;
- custom_ext_method *methsrc = src->meths;
-
- for (i = 0; i < src->meths_count; i++, methsrc++) {
- custom_ext_method *methdst = custom_ext_find(dst, methsrc->ext_type);
-
- if (methdst == NULL)
- continue;
-
- methdst->ext_flags = methsrc->ext_flags;
- }
-
- return 1;
-}
-
-/* Copy table of custom extensions */
-int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src)
-{
- if (src->meths_count) {
- dst->meths =
- BUF_memdup(src->meths,
- sizeof(custom_ext_method) * src->meths_count);
- if (dst->meths == NULL)
- return 0;
- dst->meths_count = src->meths_count;
- }
- return 1;
-}
-
-void custom_exts_free(custom_ext_methods *exts)
-{
- if (exts->meths)
- OPENSSL_free(exts->meths);
-}
-
-/* Set callbacks for a custom extension. */
-static int custom_ext_meth_add(custom_ext_methods *exts,
- unsigned int ext_type,
- custom_ext_add_cb add_cb,
- custom_ext_free_cb free_cb,
- void *add_arg,
- custom_ext_parse_cb parse_cb, void *parse_arg)
-{
- custom_ext_method *meth;
- /*
- * Check application error: if add_cb is not set free_cb will never be
- * called.
- */
- if (!add_cb && free_cb)
- return 0;
- /* Don't add if extension supported internally. */
- if (SSL_extension_supported(ext_type))
- return 0;
- /* Extension type must fit in 16 bits */
- if (ext_type > 0xffff)
- return 0;
- /* Search for duplicate */
- if (custom_ext_find(exts, ext_type))
- return 0;
- meth = OPENSSL_realloc(exts->meths,
- (exts->meths_count + 1)
- * sizeof(custom_ext_method));
- if (meth == NULL)
- return 0;
-
- exts->meths = meth;
- meth += exts->meths_count;
- memset(meth, 0, sizeof(custom_ext_method));
- meth->parse_cb = parse_cb;
- meth->add_cb = add_cb;
- meth->free_cb = free_cb;
- meth->ext_type = ext_type;
- meth->add_arg = add_arg;
- meth->parse_arg = parse_arg;
- exts->meths_count++;
- return 1;
-}
-
-/* Application level functions to add custom extension callbacks */
-int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
- custom_ext_add_cb add_cb,
- custom_ext_free_cb free_cb,
- void *add_arg,
- custom_ext_parse_cb parse_cb,
- void *parse_arg)
-{
- return custom_ext_meth_add(&ctx->cert->cli_ext, ext_type,
- add_cb, free_cb, add_arg, parse_cb, parse_arg);
-}
-
-int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
- custom_ext_add_cb add_cb,
- custom_ext_free_cb free_cb,
- void *add_arg,
- custom_ext_parse_cb parse_cb,
- void *parse_arg)
-{
- return custom_ext_meth_add(&ctx->cert->srv_ext, ext_type,
- add_cb, free_cb, add_arg, parse_cb, parse_arg);
-}
-
-int SSL_extension_supported(unsigned int ext_type)
-{
- switch (ext_type) {
- /* Internally supported extensions. */
- case TLSEXT_TYPE_application_layer_protocol_negotiation:
- case TLSEXT_TYPE_ec_point_formats:
- case TLSEXT_TYPE_elliptic_curves:
- case TLSEXT_TYPE_heartbeat:
-# ifndef OPENSSL_NO_NEXTPROTONEG
- case TLSEXT_TYPE_next_proto_neg:
-# endif
- case TLSEXT_TYPE_padding:
- case TLSEXT_TYPE_renegotiate:
- case TLSEXT_TYPE_server_name:
- case TLSEXT_TYPE_session_ticket:
- case TLSEXT_TYPE_signature_algorithms:
- case TLSEXT_TYPE_srp:
- case TLSEXT_TYPE_status_request:
- case TLSEXT_TYPE_use_srtp:
-# ifdef TLSEXT_TYPE_opaque_prf_input
- case TLSEXT_TYPE_opaque_prf_input:
-# endif
-# ifdef TLSEXT_TYPE_encrypt_then_mac
- case TLSEXT_TYPE_encrypt_then_mac:
-# endif
- return 1;
- default:
- return 0;
- }
-}
-#endif
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