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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc')
-rw-r--r-- | third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc b/third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc new file mode 100644 index 0000000000..931d0bf0b6 --- /dev/null +++ b/third_party/libwebrtc/rtc_base/ssl_stream_adapter.cc @@ -0,0 +1,146 @@ +/* + * Copyright 2004 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "rtc_base/ssl_stream_adapter.h" + +#include "absl/memory/memory.h" +#include "absl/strings/string_view.h" +#include "rtc_base/openssl_stream_adapter.h" + +/////////////////////////////////////////////////////////////////////////////// + +namespace rtc { + +// TODO(guoweis): Move this to SDP layer and use int form internally. +// webrtc:5043. +const char kCsAesCm128HmacSha1_80[] = "AES_CM_128_HMAC_SHA1_80"; +const char kCsAesCm128HmacSha1_32[] = "AES_CM_128_HMAC_SHA1_32"; +const char kCsAeadAes128Gcm[] = "AEAD_AES_128_GCM"; +const char kCsAeadAes256Gcm[] = "AEAD_AES_256_GCM"; + +std::string SrtpCryptoSuiteToName(int crypto_suite) { + switch (crypto_suite) { + case kSrtpAes128CmSha1_32: + return kCsAesCm128HmacSha1_32; + case kSrtpAes128CmSha1_80: + return kCsAesCm128HmacSha1_80; + case kSrtpAeadAes128Gcm: + return kCsAeadAes128Gcm; + case kSrtpAeadAes256Gcm: + return kCsAeadAes256Gcm; + default: + return std::string(); + } +} + +int SrtpCryptoSuiteFromName(absl::string_view crypto_suite) { + if (crypto_suite == kCsAesCm128HmacSha1_32) + return kSrtpAes128CmSha1_32; + if (crypto_suite == kCsAesCm128HmacSha1_80) + return kSrtpAes128CmSha1_80; + if (crypto_suite == kCsAeadAes128Gcm) + return kSrtpAeadAes128Gcm; + if (crypto_suite == kCsAeadAes256Gcm) + return kSrtpAeadAes256Gcm; + return kSrtpInvalidCryptoSuite; +} + +bool GetSrtpKeyAndSaltLengths(int crypto_suite, + int* key_length, + int* salt_length) { + switch (crypto_suite) { + case kSrtpAes128CmSha1_32: + case kSrtpAes128CmSha1_80: + // SRTP_AES128_CM_HMAC_SHA1_32 and SRTP_AES128_CM_HMAC_SHA1_80 are defined + // in RFC 5764 to use a 128 bits key and 112 bits salt for the cipher. + *key_length = 16; + *salt_length = 14; + break; + case kSrtpAeadAes128Gcm: + // kSrtpAeadAes128Gcm is defined in RFC 7714 to use a 128 bits key and + // a 96 bits salt for the cipher. + *key_length = 16; + *salt_length = 12; + break; + case kSrtpAeadAes256Gcm: + // kSrtpAeadAes256Gcm is defined in RFC 7714 to use a 256 bits key and + // a 96 bits salt for the cipher. + *key_length = 32; + *salt_length = 12; + break; + default: + return false; + } + return true; +} + +bool IsGcmCryptoSuite(int crypto_suite) { + return (crypto_suite == kSrtpAeadAes256Gcm || + crypto_suite == kSrtpAeadAes128Gcm); +} + +bool IsGcmCryptoSuiteName(absl::string_view crypto_suite) { + return (crypto_suite == kCsAeadAes256Gcm || crypto_suite == kCsAeadAes128Gcm); +} + +std::unique_ptr<SSLStreamAdapter> SSLStreamAdapter::Create( + std::unique_ptr<StreamInterface> stream, + absl::AnyInvocable<void(SSLHandshakeError)> handshake_error) { + return std::make_unique<OpenSSLStreamAdapter>(std::move(stream), + std::move(handshake_error)); +} + +bool SSLStreamAdapter::GetSslCipherSuite(int* cipher_suite) { + return false; +} + +bool SSLStreamAdapter::ExportKeyingMaterial(absl::string_view label, + const uint8_t* context, + size_t context_len, + bool use_context, + uint8_t* result, + size_t result_len) { + return false; // Default is unsupported +} + +bool SSLStreamAdapter::SetDtlsSrtpCryptoSuites( + const std::vector<int>& crypto_suites) { + return false; +} + +bool SSLStreamAdapter::GetDtlsSrtpCryptoSuite(int* crypto_suite) { + return false; +} + +bool SSLStreamAdapter::IsBoringSsl() { + return OpenSSLStreamAdapter::IsBoringSsl(); +} +bool SSLStreamAdapter::IsAcceptableCipher(int cipher, KeyType key_type) { + return OpenSSLStreamAdapter::IsAcceptableCipher(cipher, key_type); +} +bool SSLStreamAdapter::IsAcceptableCipher(absl::string_view cipher, + KeyType key_type) { + return OpenSSLStreamAdapter::IsAcceptableCipher(cipher, key_type); +} +std::string SSLStreamAdapter::SslCipherSuiteToName(int cipher_suite) { + return OpenSSLStreamAdapter::SslCipherSuiteToName(cipher_suite); +} + +/////////////////////////////////////////////////////////////////////////////// +// Test only settings +/////////////////////////////////////////////////////////////////////////////// + +void SSLStreamAdapter::EnableTimeCallbackForTesting() { + OpenSSLStreamAdapter::EnableTimeCallbackForTesting(); +} + +/////////////////////////////////////////////////////////////////////////////// + +} // namespace rtc |