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Code Issues Releases Wiki Activity

Log if reported XMPP domain does not match expected

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This commit is contained in:
Florian Schmaus 2019-02-16 21:26:02 +01:00
parent 12bd76a011
commit 9f3d2d2f28
1 changed files with 21 additions and 3 deletions
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24
smack-core/src/main/java/org/jivesoftware/smack/AbstractXMPPConnection.java
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@ -1,6 +1,6 @@
/**
*
* Copyright 2009 Jive Software, 2018 Florian Schmaus.
* Copyright 2009 Jive Software, 2018-2019 Florian Schmaus.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -123,7 +123,9 @@ import org.jivesoftware.smack.util.dns.SmackDaneVerifier;
import org.jxmpp.jid.DomainBareJid;
import org.jxmpp.jid.EntityFullJid;
import org.jxmpp.jid.Jid;
import org.jxmpp.jid.impl.JidCreate;
import org.jxmpp.jid.parts.Resourcepart;
import org.jxmpp.stringprep.XmppStringprepException;
import org.jxmpp.util.XmppStringUtils;
import org.minidns.dnsname.DnsName;
import org.xmlpull.v1.XmlPullParser;
@ -1849,8 +1851,24 @@ public abstract class AbstractXMPPConnection implements XMPPConnection {
streamId = parser.getAttributeValue("", "id");
incomingStreamXmlEnvironment = XmlEnvironment.from(parser);
String reportedServerDomain = parser.getAttributeValue("", "from");
assert (config.getXMPPServiceDomain().equals(reportedServerDomain));
String reportedServerDomainString = parser.getAttributeValue("", "from");
if (reportedServerDomainString == null) {
// RFC 6120 § 4.7.1. makes no explicit statement whether or not 'from' in the stream open from the server
// in c2s connections is required or not.
return;
}
DomainBareJid reportedServerDomain;
try {
reportedServerDomain = JidCreate.domainBareFrom(reportedServerDomainString);
DomainBareJid configuredXmppServiceDomain = config.getXMPPServiceDomain();
if (!configuredXmppServiceDomain.equals(reportedServerDomain)) {
LOGGER.warning("Domain reported by server '" + reportedServerDomain
+ "' does not match configured domain '" + configuredXmppServiceDomain + "'");
}
} catch (XmppStringprepException e) {
LOGGER.log(Level.WARNING, "XMPP service domain '" + reportedServerDomainString
+ "' as reported by server could not be transformed to a valid JID", e);
}
}
}