From deae2b109f59426d95847deae1a97b1f78ed7e46 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Wed, 29 Apr 2020 15:54:02 +0200
Subject: [PATCH] do not crash UI after ignoring improperly formatted jingle
 init

---
 .../xmpp/jingle/JingleRtpConnection.java            |  4 +++-
 .../conversations/xmpp/jingle/RtpContentMap.java    | 13 ++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
index 4359f39c3..e46ce78ec 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
@@ -283,9 +283,9 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
             contentMap.requireContentDescriptions();
             contentMap.requireDTLSFingerprint();
         } catch (final RuntimeException e) {
+            Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": improperly formatted contents", Throwables.getRootCause(e));
             respondOk(jinglePacket);
             sendSessionTerminate(Reason.of(e), e.getMessage());
-            Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": improperly formatted contents", e);
             return;
         }
         Log.d(Config.LOGTAG, "processing session-init with " + contentMap.contents.size() + " contents");
@@ -813,6 +813,8 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
         final RtpContentMap initiatorContentMap = initiatorRtpContentMap;
         if (initiatorContentMap != null) {
             return initiatorContentMap.getMedia();
+        } else if (isTerminated()) {
+            return Collections.emptySet(); //we might fail before we ever got a chance to set media
         } else {
             return Preconditions.checkNotNull(this.proposedMedia, "RTP connection has not been initialized properly");
         }
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
index da48d017f..9150d393e 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
@@ -59,7 +59,7 @@ public class RtpContentMap {
         }));
     }
 
-    public void requireContentDescriptions() {
+    void requireContentDescriptions() {
         if (this.contents.size() == 0) {
             throw new IllegalStateException("No contents available");
         }
@@ -70,7 +70,7 @@ public class RtpContentMap {
         }
     }
 
-    public void requireDTLSFingerprint() {
+    void requireDTLSFingerprint() {
         if (this.contents.size() == 0) {
             throw new IllegalStateException("No contents available");
         }
@@ -80,10 +80,13 @@ public class RtpContentMap {
             if (fingerprint == null || Strings.isNullOrEmpty(fingerprint.getContent()) || Strings.isNullOrEmpty(fingerprint.getHash())) {
                 throw new SecurityException(String.format("Use of DTLS-SRTP (XEP-0320) is required for content %s", entry.getKey()));
             }
+            if (Strings.isNullOrEmpty(fingerprint.getSetup())) {
+                throw new SecurityException(String.format("Use of DTLS-SRTP (XEP-0320) is required for content %s but missing setup attribute", entry.getKey()));
+            }
         }
     }
 
-    public JinglePacket toJinglePacket(final JinglePacket.Action action, final String sessionId) {
+    JinglePacket toJinglePacket(final JinglePacket.Action action, final String sessionId) {
         final JinglePacket jinglePacket = new JinglePacket(action, sessionId);
         if (this.group != null) {
             jinglePacket.addGroup(this.group);
@@ -99,7 +102,7 @@ public class RtpContentMap {
         return jinglePacket;
     }
 
-    public RtpContentMap transportInfo(final String contentName, final IceUdpTransportInfo.Candidate candidate) {
+    RtpContentMap transportInfo(final String contentName, final IceUdpTransportInfo.Candidate candidate) {
         final RtpContentMap.DescriptionTransport descriptionTransport = contents.get(contentName);
         final IceUdpTransportInfo transportInfo = descriptionTransport == null ? null : descriptionTransport.transport;
         if (transportInfo == null) {
@@ -115,7 +118,7 @@ public class RtpContentMap {
         public final RtpDescription description;
         public final IceUdpTransportInfo transport;
 
-        public DescriptionTransport(final RtpDescription description, final IceUdpTransportInfo transport) {
+        DescriptionTransport(final RtpDescription description, final IceUdpTransportInfo transport) {
             this.description = description;
             this.transport = transport;
         }