diff options
Diffstat (limited to 'xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala')
| -rw-r--r-- | xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala | 413 |
1 files changed, 319 insertions, 94 deletions
diff --git a/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala b/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala index ea7ef375..47c243e8 100644 --- a/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala +++ b/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala @@ -5,6 +5,7 @@ using Xmpp.Xep; namespace Xmpp.Xep.JingleSocks5Bytestreams { private const string NS_URI = "urn:xmpp:jingle:transports:s5b:1"; +private const int NEGOTIATION_TIMEOUT = 3; public class Module : Jingle.Transport, XmppStreamModule { public static Xmpp.ModuleIdentity<Module> IDENTITY = new Xmpp.ModuleIdentity<Module>(NS_URI, "0260_jingle_socks5_bytestreams"); @@ -20,20 +21,15 @@ public class Module : Jingle.Transport, XmppStreamModule { public override string get_ns() { return NS_URI; } public override string get_id() { return IDENTITY.id; } - public async bool is_transport_available(XmppStream stream, Jid full_jid) { - return yield stream.get_module(ServiceDiscovery.Module.IDENTITY).has_entity_feature(stream, full_jid, NS_URI); + public async bool is_transport_available(XmppStream stream, uint8 components, Jid full_jid) { + return components == 1 && yield stream.get_module(ServiceDiscovery.Module.IDENTITY).has_entity_feature(stream, full_jid, NS_URI); } - public string transport_ns_uri() { - return NS_URI; - } - public Jingle.TransportType transport_type() { - return Jingle.TransportType.STREAMING; - } - public int transport_priority() { - return 1; - } - private Gee.List<Candidate> get_local_candidates(XmppStream stream) { + public string ns_uri { get { return NS_URI; } } + public Jingle.TransportType type_ { get { return Jingle.TransportType.STREAMING; } } + public int priority { get { return 1; } } + + private Gee.List<Candidate> get_proxies(XmppStream stream) { Gee.List<Candidate> result = new ArrayList<Candidate>(); int i = 1 << 15; foreach (Socks5Bytestreams.Proxy proxy in stream.get_module(Socks5Bytestreams.Module.IDENTITY).get_proxies(stream)) { @@ -42,18 +38,64 @@ public class Module : Jingle.Transport, XmppStreamModule { } return result; } - public Jingle.TransportParameters create_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid) { + + private Gee.List<Candidate> start_local_listeners(XmppStream stream, Jid local_full_jid, string dstaddr, out LocalListener? local_listener) { + Gee.List<Candidate> result = new ArrayList<Candidate>(); + SocketListener listener = new SocketListener(); + int i = 1 << 15; + foreach (string ip_address in stream.get_module(Socks5Bytestreams.Module.IDENTITY).get_local_ip_addresses()) { + InetSocketAddress addr = new InetSocketAddress.from_string(ip_address, 0); + SocketAddress effective_any; + string cid = random_uuid(); + try { + listener.add_address(addr, SocketType.STREAM, SocketProtocol.DEFAULT, new StringWrapper(cid), out effective_any); + } catch (Error e) { + continue; + } + InetSocketAddress effective = (InetSocketAddress)effective_any; + result.add(new Candidate.build(cid, ip_address, local_full_jid, (int)effective.port, i, CandidateType.DIRECT)); + i -= 1; + } + if (!result.is_empty) { + local_listener = new LocalListener(listener, dstaddr); + local_listener.start(); + } else { + local_listener = new LocalListener.empty(); + } + return result; + } + + private void select_candidates(XmppStream stream, Jid local_full_jid, string dstaddr, Parameters result) { + result.local_candidates.add_all(get_proxies(stream)); + result.local_candidates.add_all(start_local_listeners(stream, local_full_jid, dstaddr, out result.listener)); + result.local_candidates.sort((c1, c2) => { + if (c1.priority < c2.priority) { return 1; } + if (c1.priority > c2.priority) { return -1; } + return 0; + }); + } + + public Jingle.TransportParameters create_transport_parameters(XmppStream stream, uint8 components, Jid local_full_jid, Jid peer_full_jid) { + assert(components == 1); Parameters result = new Parameters.create(local_full_jid, peer_full_jid, random_uuid()); - result.local_candidates.add_all(get_local_candidates(stream)); + string dstaddr = calculate_dstaddr(result.sid, local_full_jid, peer_full_jid); + select_candidates(stream, local_full_jid, dstaddr, result); return result; } - public Jingle.TransportParameters parse_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError { + + public Jingle.TransportParameters parse_transport_parameters(XmppStream stream, uint8 components, Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError { Parameters result = Parameters.parse(local_full_jid, peer_full_jid, transport); - result.local_candidates.add_all(get_local_candidates(stream)); + string dstaddr = calculate_dstaddr(result.sid, local_full_jid, peer_full_jid); + select_candidates(stream, local_full_jid, dstaddr, result); return result; } } +private string calculate_dstaddr(string sid, Jid first_jid, Jid second_jid) { + string hashed = sid + first_jid.to_string() + second_jid.to_string(); + return Checksum.compute_for_string(ChecksumType.SHA1, hashed); +} + public enum CandidateType { ASSISTED, DIRECT, @@ -109,6 +151,7 @@ public class Candidate : Socks5Bytestreams.Proxy { public Candidate.build(string cid, string host, Jid jid, int port, int local_priority, CandidateType type) { this(cid, host, jid, port, type.type_preference() + local_priority, type); } + public Candidate.proxy(string cid, Socks5Bytestreams.Proxy proxy, int local_priority) { this.build(cid, proxy.host, proxy.jid, proxy.port, local_priority, CandidateType.PROXY); } @@ -133,6 +176,7 @@ public class Candidate : Socks5Bytestreams.Proxy { return new Candidate(cid, host, jid, port, priority, type); } + public StanzaNode to_xml() { return new StanzaNode.build("candidate", NS_URI) .put_attribute("cid", cid) @@ -156,13 +200,154 @@ bool bytes_equal(uint8[] a, uint8[] b) { return true; } +class StringWrapper : GLib.Object { + public string str { get; set; } + + public StringWrapper(string str) { + this.str = str; + } +} + +class LocalListener { + SocketListener? inner; + string dstaddr; + HashMap<string, SocketConnection> connections = new HashMap<string, SocketConnection>(); + + public LocalListener(SocketListener inner, string dstaddr) { + this.inner = inner; + this.dstaddr = dstaddr; + } + + public LocalListener.empty() { + this.inner = null; + this.dstaddr = ""; + } + + public void start() { + if (inner == null) { + return; + } + run.begin(); + } + async void run() { + while (true) { + Object cid; + SocketConnection conn; + try { + conn = yield inner.accept_async(null, out cid); + } catch (Error e) { + break; + } + handle_conn.begin(((StringWrapper)cid).str, conn); + } + } + + async void handle_conn(string cid, SocketConnection conn) { + conn.socket.timeout = NEGOTIATION_TIMEOUT; + size_t read; + size_t written; + uint8[] read_buffer = new uint8[1024]; + ByteArray write_buffer = new ByteArray(); + + try { + // 05 SOCKS version 5 + // ?? number of authentication methods + yield conn.input_stream.read_all_async(read_buffer[0:2], GLib.Priority.DEFAULT, null, out read); + if (read != 2) { + throw new IOError.PROXY_FAILED("wanted client hello message consisting of 2 bytes, only got %d bytes".printf((int)read)); + } + if (read_buffer[0] != 0x05 || read_buffer[1] == 0) { + throw new IOError.PROXY_FAILED("wanted 05 xx, got %02x %02x".printf(read_buffer[0], read_buffer[1])); + } + int num_auth_methods = read_buffer[1]; + // ?? authentication method (num_auth_methods times) + yield conn.input_stream.read_all_async(read_buffer[0:num_auth_methods], GLib.Priority.DEFAULT, null, out read); + bool found_null_auth = false; + for (int i = 0; i < read; i++) { + if (read_buffer[i] == 0x00) { + found_null_auth = true; + break; + } + } + if (read != num_auth_methods || !found_null_auth) { + throw new IOError.PROXY_FAILED("peer didn't offer null auth"); + } + // 05 SOCKS version 5 + // 00 nop authentication + yield conn.output_stream.write_all_async({0x05, 0x00}, GLib.Priority.DEFAULT, null, out written); + + // 05 SOCKS version 5 + // 01 connect + // 00 reserved + // 03 address type: domain name + // ?? length of the domain + // .. domain + // 00 port 0 (upper half) + // 00 port 0 (lower half) + yield conn.input_stream.read_all_async(read_buffer[0:4], GLib.Priority.DEFAULT, null, out read); + if (read != 4) { + throw new IOError.PROXY_FAILED("wanted connect message consisting of 4 bytes, only got %d bytes".printf((int)read)); + } + if (read_buffer[0] != 0x05 || read_buffer[1] != 0x01 || read_buffer[3] != 0x03) { + throw new IOError.PROXY_FAILED("wanted 05 00 ?? 03, got %02x %02x %02x %02x".printf(read_buffer[0], read_buffer[1], read_buffer[2], read_buffer[3])); + } + yield conn.input_stream.read_all_async(read_buffer[0:1], GLib.Priority.DEFAULT, null, out read); + if (read != 1) { + throw new IOError.PROXY_FAILED("wanted length of dstaddr consisting of 1 byte, only got %d bytes".printf((int)read)); + } + int dstaddr_len = read_buffer[0]; + yield conn.input_stream.read_all_async(read_buffer[0:dstaddr_len+2], GLib.Priority.DEFAULT, null, out read); + if (read != dstaddr_len + 2) { + throw new IOError.PROXY_FAILED("wanted dstaddr and port consisting of %d bytes, got %d bytes".printf(dstaddr_len + 2, (int)read)); + } + if (!bytes_equal(read_buffer[0:dstaddr_len], dstaddr.data)) { + string repr = ((string)read_buffer[0:dstaddr.length]).make_valid().escape(); + throw new IOError.PROXY_FAILED(@"wanted dstaddr $(dstaddr), got $(repr)"); + } + if (read_buffer[dstaddr_len] != 0x00 || read_buffer[dstaddr_len + 1] != 0x00) { + throw new IOError.PROXY_FAILED("wanted 00 00, got %02x %02x".printf(read_buffer[dstaddr_len], read_buffer[dstaddr_len + 1])); + } + + // 05 SOCKS version 5 + // 00 success + // 00 reserved + // 03 address type: domain name + // ?? length of the domain + // .. domain + // 00 port 0 (upper half) + // 00 port 0 (lower half) + write_buffer.append({0x05, 0x00, 0x00, 0x03}); + write_buffer.append({(uint8)dstaddr.length}); + write_buffer.append(dstaddr.data); + write_buffer.append({0x00, 0x00}); + yield conn.output_stream.write_all_async(write_buffer.data, GLib.Priority.DEFAULT, null, out written); + + conn.socket.timeout = 0; + if (!connections.has_key(cid)) { + connections[cid] = conn; + } + } catch (Error e) { + } + } + + public SocketConnection? get_connection(string cid) { + if (!connections.has_key(cid)) { + return null; + } + return connections[cid]; + } +} + class Parameters : Jingle.TransportParameters, Object { + public string ns_uri { get { return NS_URI; } } + public uint8 components { get { return 1; } } public Jingle.Role role { get; private set; } public string sid { get; private set; } public string remote_dstaddr { get; private set; } public string local_dstaddr { get; private set; } public Gee.List<Candidate> local_candidates = new ArrayList<Candidate>(); public Gee.List<Candidate> remote_candidates = new ArrayList<Candidate>(); + public LocalListener? listener = null; Jid local_full_jid; Jid peer_full_jid; @@ -173,16 +358,13 @@ class Parameters : Jingle.TransportParameters, Object { Candidate? local_selected_candidate = null; SocketConnection? local_selected_candidate_conn = null; weak Jingle.Session? session = null; + weak Jingle.Content? content = null; XmppStream? hack = null; string? waiting_for_activation_cid = null; SourceFunc waiting_for_activation_callback; bool waiting_for_activation_error = false; - private static string calculate_dstaddr(string sid, Jid first_jid, Jid second_jid) { - string hashed = sid + first_jid.to_string() + second_jid.to_string(); - return Checksum.compute_for_string(ChecksumType.SHA1, hashed); - } private Parameters(Jingle.Role role, string sid, Jid local_full_jid, Jid peer_full_jid, string? remote_dstaddr) { this.role = role; this.sid = sid; @@ -192,9 +374,11 @@ class Parameters : Jingle.TransportParameters, Object { this.local_full_jid = local_full_jid; this.peer_full_jid = peer_full_jid; } + public Parameters.create(Jid local_full_jid, Jid peer_full_jid, string sid) { this(Jingle.Role.INITIATOR, sid, local_full_jid, peer_full_jid, null); } + public static Parameters parse(Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError { string? dstaddr = transport.get_attribute("dstaddr"); string? mode = transport.get_attribute("mode"); @@ -211,10 +395,12 @@ class Parameters : Jingle.TransportParameters, Object { } return result; } - public string transport_ns_uri() { - return NS_URI; + + public void set_content(Jingle.Content content) { + } - public StanzaNode to_transport_stanza_node() { + + public StanzaNode to_transport_stanza_node(string action_type) { StanzaNode transport = new StanzaNode.build("transport", NS_URI) .add_self_xmlns() .put_attribute("dstaddr", local_dstaddr); @@ -230,7 +416,8 @@ class Parameters : Jingle.TransportParameters, Object { } return transport; } - public void on_transport_accept(StanzaNode transport) throws Jingle.IqError { + + public void handle_transport_accept(StanzaNode transport) throws Jingle.IqError { Parameters other = Parameters.parse(local_full_jid, peer_full_jid, transport); if (other.sid != sid) { throw new Jingle.IqError.BAD_REQUEST("invalid sid"); @@ -238,42 +425,44 @@ class Parameters : Jingle.TransportParameters, Object { remote_candidates = other.remote_candidates; remote_dstaddr = other.remote_dstaddr; } - public void on_transport_info(StanzaNode transport) throws Jingle.IqError { - StanzaNode? candidate_error = transport.get_subnode("candidate-error", NS_URI); - StanzaNode? candidate_used = transport.get_subnode("candidate-used", NS_URI); - StanzaNode? activated = transport.get_subnode("activated", NS_URI); - StanzaNode? proxy_error = transport.get_subnode("proxy-error", NS_URI); - int num_children = 0; - if (candidate_error != null) { num_children += 1; } - if (candidate_used != null) { num_children += 1; } - if (activated != null) { num_children += 1; } - if (proxy_error != null) { num_children += 1; } - if (num_children == 0) { - throw new Jingle.IqError.UNSUPPORTED_INFO("unknown transport-info"); - } else if (num_children > 1) { - throw new Jingle.IqError.BAD_REQUEST("transport-info with more than one child"); - } - if (candidate_error != null) { - handle_remote_candidate(null); - } - if (candidate_used != null) { - string? cid = candidate_used.get_attribute("cid"); - if (cid == null) { - throw new Jingle.IqError.BAD_REQUEST("missing cid"); - } - handle_remote_candidate(cid); - } - if (activated != null) { - string? cid = activated.get_attribute("cid"); - if (cid == null) { - throw new Jingle.IqError.BAD_REQUEST("missing cid"); - } - handle_activated(cid); + + public void handle_transport_info(StanzaNode transport) throws Jingle.IqError { + ArrayList<StanzaNode> socks5_nodes = new ArrayList<StanzaNode>(); + foreach (StanzaNode node in transport.sub_nodes) { + if (node.ns_uri == NS_URI) socks5_nodes.add(node); } - if (proxy_error != null) { - handle_proxy_error(); + if (socks5_nodes.is_empty) { warning("No socks5 subnodes in transport node"); return; } + if (socks5_nodes.size > 1) { warning("Too many socks5 subnodes in transport node"); return; } + + StanzaNode node = socks5_nodes[0]; + + switch (node.name) { + case "activated": + string? cid = node.get_attribute("cid"); + if (cid == null) { + throw new Jingle.IqError.BAD_REQUEST("missing cid"); + } + handle_activated(cid); + break; + case "candidate-used": + string? cid = node.get_attribute("cid"); + if (cid == null) { + throw new Jingle.IqError.BAD_REQUEST("missing cid"); + } + handle_remote_candidate(cid); + break; + case "candidate-error": + handle_remote_candidate(null); + break; + case "proxy-error": + handle_proxy_error(); + break; + default: + warning("Unknown transport-info: %s", transport.to_string()); + break; } } + private void handle_remote_candidate(string? cid) throws Jingle.IqError { if (remote_sent_selected_candidate) { throw new Jingle.IqError.BAD_REQUEST("remote candidate already specified"); @@ -295,6 +484,7 @@ class Parameters : Jingle.TransportParameters, Object { debug("Remote selected candidate %s", candidate != null ? candidate.cid : "(null)"); try_completing_negotiation(); } + private void handle_activated(string cid) throws Jingle.IqError { if (waiting_for_activation_cid == null || cid != waiting_for_activation_cid) { throw new Jingle.IqError.BAD_REQUEST("unexpected proxy activation message"); @@ -302,6 +492,7 @@ class Parameters : Jingle.TransportParameters, Object { Idle.add((owned)waiting_for_activation_callback); waiting_for_activation_cid = null; } + private void handle_proxy_error() throws Jingle.IqError { if (waiting_for_activation_cid == null) { throw new Jingle.IqError.BAD_REQUEST("unexpected proxy error message"); @@ -311,37 +502,28 @@ class Parameters : Jingle.TransportParameters, Object { waiting_for_activation_error = true; } + private void try_completing_negotiation() { if (!remote_sent_selected_candidate || !local_determined_selected_candidate) { return; } - Candidate? remote = remote_selected_candidate; - Candidate? local = local_selected_candidate; - - int num_candidates = 0; - if (remote != null) { num_candidates += 1; } - if (local != null) { num_candidates += 1; } - - if (num_candidates == 0) { - // Notify Jingle of the failed transport. - session.set_transport_connection(hack, null); + if (remote_selected_candidate == null && local_selected_candidate == null) { + content_set_transport_connection_error(new IOError.FAILED("No candidates")); return; } bool remote_wins; - if (num_candidates == 1) { - remote_wins = remote != null; - } else { - if (local.priority < remote.priority) { - remote_wins = true; - } else if (local.priority > remote.priority) { - remote_wins = false; - } else { + if (remote_selected_candidate != null && local_selected_candidate != null) { + if (local_selected_candidate.priority == remote_selected_candidate.priority) { // equal priority -> XEP-0260 says that the candidate offered // by the initiator wins, so the one that the remote chose remote_wins = role == Jingle.Role.INITIATOR; + } else { + remote_wins = local_selected_candidate.priority < remote_selected_candidate.priority; } + } else { + remote_wins = remote_selected_candidate != null; } if (!remote_wins) { @@ -350,14 +532,28 @@ class Parameters : Jingle.TransportParameters, Object { if (strong == null) { return; } - strong.set_transport_connection(hack, local_selected_candidate_conn); + content_set_transport_connection(local_selected_candidate_conn); } else { wait_for_remote_activation.begin(local_selected_candidate, local_selected_candidate_conn); } } else { - connect_to_local_candidate.begin(remote_selected_candidate); + if (remote_selected_candidate.type_ == CandidateType.DIRECT) { + Jingle.Session? strong = session; + if (strong == null) { + return; + } + SocketConnection? conn = listener.get_connection(remote_selected_candidate.cid); + if (conn == null) { + content_set_transport_connection_error(new IOError.FAILED("Remote hasn't actually connected to us?!")); + return; + } + content_set_transport_connection(conn); + } else { + connect_to_local_candidate.begin(remote_selected_candidate); + } } } + public async void wait_for_remote_activation(Candidate candidate, SocketConnection conn) { debug("Waiting for remote activation of %s", candidate.cid); waiting_for_activation_cid = candidate.cid; @@ -369,11 +565,12 @@ class Parameters : Jingle.TransportParameters, Object { return; } if (!waiting_for_activation_error) { - strong.set_transport_connection(hack, conn); + content_set_transport_connection(conn); } else { - strong.set_transport_connection(hack, null); + content_set_transport_connection_error(new IOError.FAILED("waiting_for_activation_error")); } } + public async void connect_to_local_candidate(Candidate candidate) { debug("Connecting to candidate %s", candidate.cid); try { @@ -398,11 +595,11 @@ class Parameters : Jingle.TransportParameters, Object { throw new IOError.PROXY_FAILED("activation iq error"); } - Jingle.Session? strong = session; - if (strong == null) { + Jingle.Content? strong_content = content; + if (strong_content == null) { return; } - strong.send_transport_info(hack, new StanzaNode.build("transport", NS_URI) + strong_content.send_transport_info(new StanzaNode.build("transport", NS_URI) .add_self_xmlns() .put_attribute("sid", sid) .put_node(new StanzaNode.build("activated", NS_URI) @@ -410,22 +607,23 @@ class Parameters : Jingle.TransportParameters, Object { ) ); - strong.set_transport_connection(hack, conn); + content_set_transport_connection(conn); } catch (Error e) { - Jingle.Session? strong = session; - if (strong == null) { + Jingle.Content? strong_content = content; + if (strong_content == null) { return; } - strong.send_transport_info(hack, new StanzaNode.build("transport", NS_URI) + strong_content.send_transport_info(new StanzaNode.build("transport", NS_URI) .add_self_xmlns() .put_attribute("sid", sid) .put_node(new StanzaNode.build("proxy-error", NS_URI)) ); - strong.set_transport_connection(hack, null); + content_set_transport_connection_error(new IOError.FAILED("Connect to local candidate error: %s", e.message)); } } + public async SocketConnection connect_to_socks5(Candidate candidate, string dstaddr) throws Error { - SocketClient socket_client = new SocketClient() { timeout=3 }; + SocketClient socket_client = new SocketClient() { timeout=NEGOTIATION_TIMEOUT }; string address = @"[$(candidate.host)]:$(candidate.port)"; debug("Connecting to SOCKS5 server at %s", address); @@ -444,7 +642,10 @@ class Parameters : Jingle.TransportParameters, Object { yield conn.input_stream.read_all_async(read_buffer[0:2], GLib.Priority.DEFAULT, null, out read); // 05 SOCKS version 5 - // 01 success + // 00 nop authentication + if (read != 2) { + throw new IOError.PROXY_FAILED("wanted 05 00, only got %d bytes".printf((int)read)); + } if (read_buffer[0] != 0x05 || read_buffer[1] != 0x00) { throw new IOError.PROXY_FAILED("wanted 05 00, got %02x %02x".printf(read_buffer[0], read_buffer[1])); } @@ -472,6 +673,9 @@ class Parameters : Jingle.TransportParameters, Object { // .. domain // 00 port 0 (upper half) // 00 port 0 (lower half) + if (read != write_buffer.len) { + throw new IOError.PROXY_FAILED("wanted server success response consisting of %d bytes, only got %d bytes".printf((int)write_buffer.len, (int)read)); + } if (read_buffer[0] != 0x05 || read_buffer[1] != 0x00 || read_buffer[3] != 0x03) { throw new IOError.PROXY_FAILED("wanted 05 00 ?? 03, got %02x %02x %02x %02x".printf(read_buffer[0], read_buffer[1], read_buffer[2], read_buffer[3])); } @@ -486,10 +690,11 @@ class Parameters : Jingle.TransportParameters, Object { throw new IOError.PROXY_FAILED("wanted port 00 00, got %02x %02x".printf(read_buffer[5+dstaddr.length], read_buffer[5+dstaddr.length+1])); } - conn.get_socket().set_timeout(0); + conn.socket.timeout = 0; return conn; } + public async void try_connecting_to_candidates(XmppStream stream, Jingle.Session session) throws Error { remote_candidates.sort((c1, c2) => { // sort from priorities from high to low @@ -510,7 +715,7 @@ class Parameters : Jingle.TransportParameters, Object { local_selected_candidate = candidate; local_selected_candidate_conn = conn; debug("Selected candidate %s", candidate.cid); - session.send_transport_info(stream, new StanzaNode.build("transport", NS_URI) + content.send_transport_info(new StanzaNode.build("transport", NS_URI) .add_self_xmlns() .put_attribute("sid", sid) .put_node(new StanzaNode.build("candidate-used", NS_URI) @@ -527,7 +732,7 @@ class Parameters : Jingle.TransportParameters, Object { } local_determined_selected_candidate = true; local_selected_candidate = null; - session.send_transport_info(stream, new StanzaNode.build("transport", NS_URI) + content.send_transport_info(new StanzaNode.build("transport", NS_URI) .add_self_xmlns() .put_attribute("sid", sid) .put_node(new StanzaNode.build("candidate-error", NS_URI)) @@ -535,10 +740,30 @@ class Parameters : Jingle.TransportParameters, Object { // Try remote candidates try_completing_negotiation(); } - public void create_transport_connection(XmppStream stream, Jingle.Session session) { - this.session = session; + + private Jingle.StreamingConnection connection = new Jingle.StreamingConnection(); + + private void content_set_transport_connection(IOStream ios) { + IOStream iostream = ios; + Jingle.Content? strong_content = content; + if (strong_content == null) return; + + if (strong_content.security_params != null) { + iostream = strong_content.security_params.wrap_stream(iostream); + } + connection.set_stream.begin(iostream); + } + + private void content_set_transport_connection_error(Error e) { + connection.set_error(e); + } + + public void create_transport_connection(XmppStream stream, Jingle.Content content) { + this.session = content.session; + this.content = content; this.hack = stream; try_connecting_to_candidates.begin(stream, session); + this.content.set_transport_connection(connection, 1); } } |