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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support
Security advisory:
This version has known vulnerabilities.
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Files
c_src/boringssl/ssl/d1_srtp.cc
// Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
// Copyright (C) 2006, Network Resonance, Inc.
// Copyright (C) 2011, RTFM, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// DTLS code by Eric Rescorla <ekr@rtfm.com>
#include <openssl/ssl.h>
#include <string.h>
#include <openssl/bytestring.h>
#include <openssl/err.h>
#include "internal.h"
using namespace bssl;
static const SRTP_PROTECTION_PROFILE kSRTPProfiles[] = {
{"SRTP_AES128_CM_SHA1_80", SRTP_AES128_CM_SHA1_80},
{"SRTP_AES128_CM_SHA1_32", SRTP_AES128_CM_SHA1_32},
{"SRTP_AEAD_AES_128_GCM", SRTP_AEAD_AES_128_GCM},
{"SRTP_AEAD_AES_256_GCM", SRTP_AEAD_AES_256_GCM},
{nullptr, 0},
};
static int find_profile_by_name(const char *profile_name,
const SRTP_PROTECTION_PROFILE **pptr,
size_t len) {
const SRTP_PROTECTION_PROFILE *p = kSRTPProfiles;
while (p->name) {
if (len == strlen(p->name) && !strncmp(p->name, profile_name, len)) {
*pptr = p;
return 1;
}
p++;
}
return 0;
}
static int ssl_ctx_make_profiles(
const char *profiles_string,
UniquePtr<STACK_OF(SRTP_PROTECTION_PROFILE)> *out) {
UniquePtr<STACK_OF(SRTP_PROTECTION_PROFILE)> profiles(
sk_SRTP_PROTECTION_PROFILE_new_null());
if (profiles == nullptr) {
OPENSSL_PUT_ERROR(SSL, SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
return 0;
}
const char *col;
const char *ptr = profiles_string;
do {
col = strchr(ptr, ':');
const SRTP_PROTECTION_PROFILE *profile;
if (!find_profile_by_name(ptr, &profile,
col ? (size_t)(col - ptr) : strlen(ptr))) {
OPENSSL_PUT_ERROR(SSL, SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);
return 0;
}
if (!sk_SRTP_PROTECTION_PROFILE_push(profiles.get(), profile)) {
return 0;
}
if (col) {
ptr = col + 1;
}
} while (col);
*out = std::move(profiles);
return 1;
}
int SSL_CTX_set_srtp_profiles(SSL_CTX *ctx, const char *profiles) {
return ssl_ctx_make_profiles(profiles, &ctx->srtp_profiles);
}
int SSL_set_srtp_profiles(SSL *ssl, const char *profiles) {
return ssl->config != nullptr &&
ssl_ctx_make_profiles(profiles, &ssl->config->srtp_profiles);
}
const STACK_OF(SRTP_PROTECTION_PROFILE) *SSL_get_srtp_profiles(const SSL *ssl) {
if (ssl == nullptr) {
return nullptr;
}
if (ssl->config == nullptr) {
assert(0);
return nullptr;
}
return ssl->config->srtp_profiles != nullptr
? ssl->config->srtp_profiles.get()
: ssl->ctx->srtp_profiles.get();
}
const SRTP_PROTECTION_PROFILE *SSL_get_selected_srtp_profile(SSL *ssl) {
return ssl->s3->srtp_profile;
}
int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles) {
// This API inverts its return value.
return !SSL_CTX_set_srtp_profiles(ctx, profiles);
}
int SSL_set_tlsext_use_srtp(SSL *ssl, const char *profiles) {
// This API inverts its return value.
return !SSL_set_srtp_profiles(ssl, profiles);
}