mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-20 00:57:49 +01:00
67 lines
2 KiB
C++
67 lines
2 KiB
C++
/*
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* Copyright 2009 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// RingRTC: Allow out-of-band / "manual" key negotiation.
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#include "pc/srtp_key_carrier.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/ssl_stream_adapter.h"
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namespace cricket {
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SrtpKeyCarrier::SrtpKeyCarrier() = default;
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SrtpKeyCarrier::~SrtpKeyCarrier() = default;
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bool SrtpKeyCarrier::ApplyParams(const CryptoParams& crypto,
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webrtc::SdpType type,
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ContentSource source) {
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switch (type) {
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case webrtc::SdpType::kOffer:
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offer_params_ = crypto;
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return true;
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case webrtc::SdpType::kPrAnswer:
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case webrtc::SdpType::kAnswer:
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return SetAnswer(crypto, source);
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default:
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return false;
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}
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}
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bool SrtpKeyCarrier::SetAnswer(const CryptoParams& answer_params,
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ContentSource source) {
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if (!offer_params_.has_value()) {
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RTC_LOG(LS_WARNING) << "Missing offer parameters when handling SRTP answer";
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return false;
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}
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const CryptoParams& new_send_params =
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(source == CS_REMOTE) ? offer_params_.value() : answer_params;
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const CryptoParams& new_recv_params =
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(source == CS_REMOTE) ? answer_params : offer_params_.value();
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if (new_send_params.crypto_suite == rtc::kSrtpInvalidCryptoSuite) {
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RTC_LOG(LS_WARNING) << "Invalid crypto suite(s) received for send";
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return false;
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}
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if (new_recv_params.crypto_suite == rtc::kSrtpInvalidCryptoSuite) {
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RTC_LOG(LS_WARNING) << "Invalid crypto suite(s) received for recv";
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return false;
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}
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applied_send_params_ = new_send_params;
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applied_recv_params_ = new_recv_params;
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offer_params_ = std::nullopt;
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return true;
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}
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} // namespace cricket
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