From 642dac9aa0b90dd2f17df5dddd0e7914a7d306d3 Mon Sep 17 00:00:00 2001
From: hrxi <hrrrxi@gmail.com>
Date: Sat, 20 Jul 2019 23:14:40 +0200
Subject: Add support for Jingle SOCKS5 bytestreams (XEP-0260)

---
 .../xep/0261_jingle_in_band_bytestreams.vala       | 35 +++++++++++++++-------
 1 file changed, 24 insertions(+), 11 deletions(-)

(limited to 'xmpp-vala/src/module/xep/0261_jingle_in_band_bytestreams.vala')

diff --git a/xmpp-vala/src/module/xep/0261_jingle_in_band_bytestreams.vala b/xmpp-vala/src/module/xep/0261_jingle_in_band_bytestreams.vala
index dc2e8d7c..1a810ee8 100644
--- a/xmpp-vala/src/module/xep/0261_jingle_in_band_bytestreams.vala
+++ b/xmpp-vala/src/module/xep/0261_jingle_in_band_bytestreams.vala
@@ -30,28 +30,38 @@ public class Module : Jingle.Transport, XmppStreamModule {
     public Jingle.TransportType transport_type() {
         return Jingle.TransportType.STREAMING;
     }
-    public Jingle.TransportParameters create_transport_parameters() {
-        return new Parameters(random_uuid(), DEFAULT_BLOCKSIZE);
+    public int transport_priority() {
+        return 0;
     }
-    public Jingle.TransportParameters parse_transport_parameters(StanzaNode transport) throws Jingle.IqError {
-        return Parameters.parse(transport);
+    public Jingle.TransportParameters create_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid) {
+        return new Parameters.create(peer_full_jid, random_uuid());
+    }
+    public Jingle.TransportParameters parse_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError {
+        return Parameters.parse(peer_full_jid, transport);
     }
 }
 
 class Parameters : Jingle.TransportParameters, Object {
+    public Jingle.Role role { get; private set; }
+    public Jid peer_full_jid { get; private set; }
     public string sid { get; private set; }
     public int block_size { get; private set; }
-    public Parameters(string sid, int block_size) {
+    private Parameters(Jingle.Role role, Jid peer_full_jid, string sid, int block_size) {
+        this.role = role;
+        this.peer_full_jid = peer_full_jid;
         this.sid = sid;
         this.block_size = block_size;
     }
-    public static Parameters parse(StanzaNode transport) throws Jingle.IqError {
+    public Parameters.create(Jid peer_full_jid, string sid) {
+        this(Jingle.Role.INITIATOR, peer_full_jid, sid, DEFAULT_BLOCKSIZE);
+    }
+    public static Parameters parse(Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError {
         string? sid = transport.get_attribute("sid");
         int block_size = transport.get_attribute_int("block-size");
         if (sid == null || block_size <= 0 || block_size > MAX_BLOCKSIZE) {
             throw new Jingle.IqError.BAD_REQUEST("missing or invalid sid or blocksize");
         }
-        return new Parameters(sid, block_size);
+        return new Parameters(Jingle.Role.RESPONDER, peer_full_jid, sid, block_size);
     }
     public string transport_ns_uri() {
         return NS_URI;
@@ -62,15 +72,18 @@ class Parameters : Jingle.TransportParameters, Object {
             .put_attribute("block-size", block_size.to_string())
             .put_attribute("sid", sid);
     }
-    public void update_transport(StanzaNode transport) throws Jingle.IqError {
-        Parameters other = Parameters.parse(transport);
+    public void on_transport_accept(StanzaNode transport) throws Jingle.IqError {
+        Parameters other = Parameters.parse(peer_full_jid, transport);
         if (other.sid != sid || other.block_size > block_size) {
             throw new Jingle.IqError.NOT_ACCEPTABLE("invalid IBB sid or block_size");
         }
         block_size = other.block_size;
     }
-    public IOStream create_transport_connection(XmppStream stream, Jid peer_full_jid, Jingle.Role role) {
-        return InBandBytestreams.Connection.create(stream, peer_full_jid, sid, block_size, role == Jingle.Role.INITIATOR);
+    public void on_transport_info(StanzaNode transport) throws Jingle.IqError {
+        throw new Jingle.IqError.UNSUPPORTED_INFO("transport-info not supported for IBBs");
+    }
+    public void create_transport_connection(XmppStream stream, Jingle.Session session) {
+        session.set_transport_connection(stream, InBandBytestreams.Connection.create(stream, peer_full_jid, sid, block_size, role == Jingle.Role.INITIATOR));
     }
 }
 
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