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我的问题：我正在使用 XMPPFramework 和 OpenFire 在 iOS 上通过 XMPP 进行文件传输。我的代码基础来自以下教程。目标似乎接受代理作为流主机，但是当请求者尝试这样做时，OpenFire 报告以下错误。为什么会失败，我该如何解决？

OpenFire 错误 - 

2012.06.12 14:38:40 org.jivesoftware.openfire.filetransfer.proxy.ProxyConnectionManager - Error processing file transfer proxy connection 
java.io.IOException: Only SOCKS5 supported 
at org.jivesoftware.openfire.filetransfer.proxy.ProxyConnectionManager.processConnection(ProxyConnectionManager.java:158) 
at org.jivesoftware.openfire.filetransfer.proxy.ProxyConnectionManager.access$200(ProxyConnectionManager.java:57) 
at org.jivesoftware.openfire.filetransfer.proxy.ProxyConnectionManager$1$1.run(ProxyConnectionManager.java:127) 
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) 
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) 
at java.util.concurrent.FutureTask.run(FutureTask.java:138) 
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) 
at java.lang.Thread.run(Thread.java:662)

我的 OpenFire XMPP 设置——（注意我在这里设置了代理的外部 ip）

xmpp.auth.anonymous - true
xmpp.client.compression.policy - disabled
xmpp.client.idle - -1
xmpp.client.idle.ping - false
xmpp.domain - beta.myCompany.co.uk
xmpp.enabled - true
xmpp.filetransfer.enabled - true
xmpp.offline.quota - 102400
xmpp.offline.type - bounce
xmpp.proxy.enabled - true
xmpp.proxy.externalip - 10.95.xxx.xxx (this is the ip of my server)
xmpp.proxy.port - 7777
xmpp.proxy.transfer.required - false
xmpp.server.compression.policy - disabled
xmpp.server.dialback.enabled - false
xmpp.server.socket.active - true
xmpp.session.conflict-limit - 0
xmpp.session.conflict.limit - 0
xmpp.socket.ssl.active - true

日志 -

2012-06-12 16:26:20.848 JabberClient[2711:207] RECIEVED IN APP DELEGATE - <iq xmlns="jabber:client" type="result" to="myUsername@beta.myCompany.co.uk/3a62c56a" id="4FC4CE04-DA8E-4CC2-B412-40D1C346F682" from="friendsUsername@beta.myCompany.co.uk/ee69d0fa"><si xmlns="http://jabber.org/protocol/si"><feature xmlns="http://jabber.org/protocol/feature-neg"><x xmlns="jabber:x:data" type="submit"><field var="stream-method"><value>http://jabber.org/protocol/bytestreams</value></field></x></feature></si></iq>
2012-06-12 16:26:20.849 JabberClient[2711:207] Attempting XEP65 connection to friendsUsername@beta.myCompany.co.uk/ee69d0fa
2012-06-12 16:26:20.849 JabberClient[2711:207] TURNSocket DELEGATE STARTING
2012-06-12 16:26:20.851 JabberClient[2711:6103] SENT - <iq type="get" to="beta.myCompany.co.uk" id="C8A201C4-EC3B-49CC-8BF4-9604B872EB19"><query xmlns="http://jabber.org/protocol/disco#items"/></iq>
2012-06-12 16:26:20.856 JabberClient[2711:1e03] RECIEVED IN TURN SOCKET - <iq xmlns="jabber:client" type="result" id="C8A201C4-EC3B-49CC-8BF4-9604B872EB19" from="beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/disco#items"><item jid="pubsub.beta.myCompany.co.uk" name="Publish-Subscribe service"/><item jid="broadcast.beta.myCompany.co.uk" name="Broadcast service"/><item jid="search.beta.myCompany.co.uk" name="User Search"/><item jid="conference.beta.myCompany.co.uk" name="Public Chatrooms"/><item jid="proxy.beta.myCompany.co.uk" name="Socks 5 Bytestreams Proxy"/></query></iq>
2012-06-12 16:26:20.857 JabberClient[2711:1e03] SENT - <iq type="get" to="proxy.beta.myCompany.co.uk" id="92BF3339-987C-4A1E-8657-D8AE666DDC32"><query xmlns="http://jabber.org/protocol/disco#info"/></iq>
2012-06-12 16:26:20.857 JabberClient[2711:207] RECIEVED IN APP DELEGATE - <iq xmlns="jabber:client" type="result" id="C8A201C4-EC3B-49CC-8BF4-9604B872EB19" from="beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/disco#items"><item jid="pubsub.beta.myCompany.co.uk" name="Publish-Subscribe service"></item><item jid="broadcast.beta.myCompany.co.uk" name="Broadcast service"></item><item jid="search.beta.myCompany.co.uk" name="User Search"></item><item jid="conference.beta.myCompany.co.uk" name="Public Chatrooms"></item><item jid="proxy.beta.myCompany.co.uk" name="Socks 5 Bytestreams Proxy"></item></query></iq>
2012-06-12 16:26:20.862 JabberClient[2711:6103] RECIEVED IN TURN SOCKET - <iq xmlns="jabber:client" type="result" id="92BF3339-987C-4A1E-8657-D8AE666DDC32" from="proxy.beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/disco#info"><identity category="proxy" name="SOCKS5 Bytestreams Service" type="bytestreams"/><feature var="http://jabber.org/protocol/bytestreams"/><feature var="http://jabber.org/protocol/disco#info"/></query></iq>
2012-06-12 16:26:20.863 JabberClient[2711:6103] SENT - <iq type="get" to="proxy.beta.myCompany.co.uk" id="D13DE459-63EA-4CD6-97ED-8565559DF298"><query xmlns="http://jabber.org/protocol/bytestreams"/></iq>
2012-06-12 16:26:20.863 JabberClient[2711:207] RECIEVED IN APP DELEGATE - <iq xmlns="jabber:client" type="result" id="92BF3339-987C-4A1E-8657-D8AE666DDC32" from="proxy.beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/disco#info"><identity category="proxy" name="SOCKS5 Bytestreams Service" type="bytestreams"></identity><feature var="http://jabber.org/protocol/bytestreams"></feature><feature var="http://jabber.org/protocol/disco#info"></feature></query></iq>
2012-06-12 16:26:20.874 JabberClient[2711:6103] RECIEVED IN TURNSOCKET - <iq xmlns="jabber:client" type="result" id="D13DE459-63EA-4CD6-97ED-8565559DF298" from="proxy.beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/bytestreams"><streamhost jid="proxy.beta.myCompany.co.uk" host="10.95.xxx.xxx" port="7777"/></query></iq>
2012-06-12 16:26:20.875 JabberClient[2711:6103] SENT - <iq type="set" from="myUsername@beta.myCompany.co.uk/3a62c56a" to="friendsUsername@beta.myCompany.co.uk/ee69d0fa" id="4FC4CE04-DA8E-4CC2-B412-40D1C346F682"><query xmlns="http://jabber.org/protocol/bytestreams" sid="4FC4CE04-DA8E-4CC2-B412-40D1C346F682" mode="tcp"><streamhost xmlns="http://jabber.org/protocol/bytestreams" jid="proxy.beta.myCompany.co.uk" host="10.95.xxx.xxx" port="7777"/></query></iq>
2012-06-12 16:26:20.875 JabberClient[2711:207] RECIEVED IN APP DELEGATE - <iq xmlns="jabber:client" type="result" id="D13DE459-63EA-4CD6-97ED-8565559DF298" from="proxy.beta.myCompany.co.uk" to="myUsername@beta.myCompany.co.uk/3a62c56a"><query xmlns="http://jabber.org/protocol/bytestreams"></query></iq>
2012-06-12 16:26:20.916 JabberClient[2711:1e03] RECIEVED IN TURN SOCKET - <iq xmlns="jabber:client" type="result" to="myUsername@beta.myCompany.co.uk/3a62c56a" id="4FC4CE04-DA8E-4CC2-B412-40D1C346F682" from="friendsUsername@beta.myCompany.co.uk/ee69d0fa"><query xmlns="http://jabber.org/protocol/bytestreams" sid="4FC4CE04-DA8E-4CC2-B412-40D1C346F682"><streamhost-used jid="proxy.beta.myCompany.co.uk"/></query></iq>
2012-06-12 16:26:20.917 JabberClient[2711:1e03] TURNSocket: initiatorConnect: proxy.beta.myCompany.co.uk(10.95.xxx.xxx:7777)
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1 回答 1

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让我们看一下 Openfire 的源代码。这很容易，因为它是一个开源项目。:)

ProxyConnectionManager.java:158 tells us that Openfire expects an "5" as first byte send through the stream (i.e. the SOCKS5 connection), or otherwise the Exception you see will get thrown. Which seems to be correct according to RFC1928 (SOCKS Protocol Version 5) Section 3.

So without digging deeper and having any knowledge on XMPP on iOS, I would guess that there is something not correct implemented within xmppframework on iOS. I hope I could point you into the right direction.

于 2012-06-12T19:45:33.693 回答