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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/p2p/base/transport_description.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/p2p/base/transport_description.h')
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+/*
+ * Copyright 2012 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.
+ */
+
+#ifndef P2P_BASE_TRANSPORT_DESCRIPTION_H_
+#define P2P_BASE_TRANSPORT_DESCRIPTION_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "absl/algorithm/container.h"
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+#include "api/rtc_error.h"
+#include "p2p/base/p2p_constants.h"
+#include "rtc_base/ssl_fingerprint.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace cricket {
+
+// SEC_ENABLED and SEC_REQUIRED should only be used if the session
+// was negotiated over TLS, to protect the inline crypto material
+// exchange.
+// SEC_DISABLED: No crypto in outgoing offer, ignore any supplied crypto.
+// SEC_ENABLED: Crypto in outgoing offer and answer (if supplied in offer).
+// SEC_REQUIRED: Crypto in outgoing offer and answer. Fail any offer with absent
+// or unsupported crypto.
+// TODO(deadbeef): Remove this or rename it to something more appropriate, like
+// SdesPolicy.
+enum SecurePolicy { SEC_DISABLED, SEC_ENABLED, SEC_REQUIRED };
+
+// Whether our side of the call is driving the negotiation, or the other side.
+enum IceRole { ICEROLE_CONTROLLING = 0, ICEROLE_CONTROLLED, ICEROLE_UNKNOWN };
+
+// ICE RFC 5245 implementation type.
+enum IceMode {
+ ICEMODE_FULL, // As defined in http://tools.ietf.org/html/rfc5245#section-4.1
+ ICEMODE_LITE // As defined in http://tools.ietf.org/html/rfc5245#section-4.2
+};
+
+// RFC 4145 - http://tools.ietf.org/html/rfc4145#section-4
+// 'active': The endpoint will initiate an outgoing connection.
+// 'passive': The endpoint will accept an incoming connection.
+// 'actpass': The endpoint is willing to accept an incoming
+// connection or to initiate an outgoing connection.
+enum ConnectionRole {
+ CONNECTIONROLE_NONE = 0,
+ CONNECTIONROLE_ACTIVE,
+ CONNECTIONROLE_PASSIVE,
+ CONNECTIONROLE_ACTPASS,
+ CONNECTIONROLE_HOLDCONN,
+};
+
+struct IceParameters {
+ // Constructs an IceParameters from a user-provided ufrag/pwd combination.
+ // Returns a SyntaxError if the ufrag or pwd are malformed.
+ static RTC_EXPORT webrtc::RTCErrorOr<IceParameters> Parse(
+ absl::string_view raw_ufrag,
+ absl::string_view raw_pwd);
+
+ // TODO(honghaiz): Include ICE mode in this structure to match the ORTC
+ // struct:
+ // http://ortc.org/wp-content/uploads/2016/03/ortc.html#idl-def-RTCIceParameters
+ std::string ufrag;
+ std::string pwd;
+ bool renomination = false;
+ IceParameters() = default;
+ IceParameters(absl::string_view ice_ufrag,
+ absl::string_view ice_pwd,
+ bool ice_renomination)
+ : ufrag(ice_ufrag), pwd(ice_pwd), renomination(ice_renomination) {}
+
+ bool operator==(const IceParameters& other) const {
+ return ufrag == other.ufrag && pwd == other.pwd &&
+ renomination == other.renomination;
+ }
+ bool operator!=(const IceParameters& other) const {
+ return !(*this == other);
+ }
+
+ // Validate IceParameters, returns a SyntaxError if the ufrag or pwd are
+ // malformed.
+ webrtc::RTCError Validate() const;
+};
+
+extern const char CONNECTIONROLE_ACTIVE_STR[];
+extern const char CONNECTIONROLE_PASSIVE_STR[];
+extern const char CONNECTIONROLE_ACTPASS_STR[];
+extern const char CONNECTIONROLE_HOLDCONN_STR[];
+
+constexpr auto* ICE_OPTION_TRICKLE = "trickle";
+constexpr auto* ICE_OPTION_RENOMINATION = "renomination";
+
+absl::optional<ConnectionRole> StringToConnectionRole(
+ absl::string_view role_str);
+bool ConnectionRoleToString(const ConnectionRole& role, std::string* role_str);
+
+struct TransportDescription {
+ TransportDescription();
+ TransportDescription(const std::vector<std::string>& transport_options,
+ absl::string_view ice_ufrag,
+ absl::string_view ice_pwd,
+ IceMode ice_mode,
+ ConnectionRole role,
+ const rtc::SSLFingerprint* identity_fingerprint);
+ TransportDescription(absl::string_view ice_ufrag, absl::string_view ice_pwd);
+ TransportDescription(const TransportDescription& from);
+ ~TransportDescription();
+
+ TransportDescription& operator=(const TransportDescription& from);
+
+ // TODO(deadbeef): Rename to HasIceOption, etc.
+ bool HasOption(absl::string_view option) const {
+ return absl::c_linear_search(transport_options, option);
+ }
+ void AddOption(absl::string_view option) {
+ transport_options.emplace_back(option);
+ }
+ bool secure() const { return identity_fingerprint != nullptr; }
+
+ IceParameters GetIceParameters() const {
+ return IceParameters(ice_ufrag, ice_pwd,
+ HasOption(ICE_OPTION_RENOMINATION));
+ }
+
+ static rtc::SSLFingerprint* CopyFingerprint(const rtc::SSLFingerprint* from) {
+ if (!from)
+ return NULL;
+
+ return new rtc::SSLFingerprint(*from);
+ }
+
+ // These are actually ICE options (appearing in the ice-options attribute in
+ // SDP).
+ // TODO(deadbeef): Rename to ice_options.
+ std::vector<std::string> transport_options;
+ std::string ice_ufrag;
+ std::string ice_pwd;
+ IceMode ice_mode;
+ ConnectionRole connection_role;
+
+ std::unique_ptr<rtc::SSLFingerprint> identity_fingerprint;
+};
+
+} // namespace cricket
+
+#endif // P2P_BASE_TRANSPORT_DESCRIPTION_H_