SipService: handle cross-domain authentication error

and add new CROSS_DOMAIN_AUTHENTICATION error code and OUT_OF_NETWORK
DisconnectCause.

http://b/issue?id=3020185

Change-Id: Icc0a341599d5a72b7cb2d43675fbddc516544978

services/java/com/android/server/sip/SipSessionGroup.java

@@ -810,6 +810,12 @@ class SipSessionGroup implements SipListener {
             }
         }
 
+        private boolean crossDomainAuthenticationRequired(Response response) {
+            String realm = getRealmFromResponse(response);
+            if (realm == null) realm = "";
+            return !mLocalProfile.getSipDomain().trim().equals(realm.trim());
+        }
+
         private AccountManager getAccountManager() {
             return new AccountManager() {
                 public UserCredentials getCredentials(ClientTransaction
@@ -831,6 +837,15 @@ class SipSessionGroup implements SipListener {
             };
         }
 
+        private String getRealmFromResponse(Response response) {
+            WWWAuthenticate wwwAuth = (WWWAuthenticate)response.getHeader(
+                    SIPHeaderNames.WWW_AUTHENTICATE);
+            if (wwwAuth != null) return wwwAuth.getRealm();
+            ProxyAuthenticate proxyAuth = (ProxyAuthenticate)response.getHeader(
+                    SIPHeaderNames.PROXY_AUTHENTICATE);
+            return (proxyAuth == null) ? null : proxyAuth.getRealm();
+        }
+
         private String getNonceFromResponse(Response response) {
             WWWAuthenticate wwwAuth = (WWWAuthenticate)response.getHeader(
                     SIPHeaderNames.WWW_AUTHENTICATE);
@@ -937,7 +952,10 @@ class SipSessionGroup implements SipListener {
                     return true;
                 case Response.UNAUTHORIZED:
                 case Response.PROXY_AUTHENTICATION_REQUIRED:
-                    if (handleAuthentication(event)) {
+                    if (crossDomainAuthenticationRequired(response)) {
+                        onError(SipErrorCode.CROSS_DOMAIN_AUTHENTICATION,
+                                getRealmFromResponse(response));
+                    } else if (handleAuthentication(event)) {
                         addSipSession(this);
                     } else if (mLastNonce == null) {
                         onError(SipErrorCode.SERVER_ERROR,

telephony/java/com/android/internal/telephony/Connection.java

@@ -41,6 +41,7 @@ public abstract class Connection {
         INVALID_NUMBER,                 /* invalid dial string */
         NUMBER_UNREACHABLE,             /* cannot reach the peer */
         INVALID_CREDENTIALS,            /* invalid credentials */
+        OUT_OF_NETWORK,                 /* calling from out of network is not allowed */
         TIMED_OUT,                      /* client timed out */
         LOST_SIGNAL,
         LIMIT_EXCEEDED,                 /* eg GSM ACM limit exceeded */

telephony/java/com/android/internal/telephony/sip/SipPhone.java

@@ -870,6 +870,9 @@ public class SipPhone extends SipPhoneBase {
                 case SipErrorCode.INVALID_CREDENTIALS:
                     onError(Connection.DisconnectCause.INVALID_CREDENTIALS);
                     break;
+                case SipErrorCode.CROSS_DOMAIN_AUTHENTICATION:
+                    onError(Connection.DisconnectCause.OUT_OF_NETWORK);
+                    break;
                 case SipErrorCode.SOCKET_ERROR:
                 case SipErrorCode.SERVER_ERROR:
                 case SipErrorCode.CLIENT_ERROR:

voip/java/android/net/sip/SipErrorCode.java

@@ -58,6 +58,9 @@ public class SipErrorCode {
     /** When data connection is lost. */
     public static final int DATA_CONNECTION_LOST = -10;
 
+    /** Cross-domain authentication required. */
+    public static final int CROSS_DOMAIN_AUTHENTICATION = -11;
+
     public static String toString(int errorCode) {
         switch (errorCode) {
             case NO_ERROR:
@@ -82,6 +85,8 @@ public class SipErrorCode {
                 return "IN_PROGRESS";
             case DATA_CONNECTION_LOST:
                 return "DATA_CONNECTION_LOST";
+            case CROSS_DOMAIN_AUTHENTICATION:
+                return "CROSS_DOMAIN_AUTHENTICATION";
             default:
                 return "UNKNOWN";
         }