1 files changed, 15 insertions, 9 deletions

diff --git a/src/network/kernel/qauthenticator.cpp b/src/network/kernel/qauthenticator.cpp
index f97d833bd5..73f6b94ef1 100644
--- a/src/network/kernel/qauthenticator.cpp
+++ b/src/network/kernel/qauthenticator.cpp
@@ -164,9 +164,13 @@ QAuthenticator &QAuthenticator::operator=(const QAuthenticator &other)
 {
     if (d == other.d)
         return *this;
-    detach();
-    d->user = other.d->user;
-    d->password = other.d->password;
+
+    if (d && !d->ref.deref())
+        delete d;
+
+    d = other.d;
+    if (d)
+        d->ref.ref();
     return *this;
 }
 
@@ -232,19 +236,21 @@ void QAuthenticator::setUser(const QString &user)
             //domain name is present
             d->realm.clear();
             d->userDomain = user.left(separatorPosn);
-            d->user = user.mid(separatorPosn + 1);
+            d->extractedUser = user.mid(separatorPosn + 1);
+            d->user = user;
         } else if((separatorPosn = user.indexOf(QLatin1String("@"))) != -1) {
             //domain name is present
             d->realm.clear();
             d->userDomain = user.left(separatorPosn);
-            d->user = user.left(separatorPosn);
+            d->extractedUser = user.left(separatorPosn);
+            d->user = user;
         } else {
+            d->extractedUser = user;
             d->user = user;
 	    d->realm.clear();
             d->userDomain.clear();
         }
         break;
-    // For other auth mechanisms, domain name will be part of username
     default:
         d->user = user;
         break;
@@ -1196,7 +1202,7 @@ static QByteArray qCreatev2Hash(const QAuthenticatorPrivate *ctx,
         Q_ASSERT(hashKey.size() == 16);
         // Assuming the user and domain is always unicode in challenge
         QByteArray message =
-                qStringAsUcs2Le(ctx->user.toUpper()) +
+                qStringAsUcs2Le(ctx->extractedUser.toUpper()) +
                 qStringAsUcs2Le(phase3->domainStr);
 
         phase3->v2Hash = qEncodeHmacMd5(hashKey, message);
@@ -1401,8 +1407,8 @@ static QByteArray qNtlmPhase3(QAuthenticatorPrivate *ctx, const QByteArray& phas
         pb.domainStr = ctx->userDomain;
     }
 
-    offset = qEncodeNtlmString(pb.user, offset, ctx->user, unicode);
-    pb.userStr = ctx->user;
+    offset = qEncodeNtlmString(pb.user, offset, ctx->extractedUser, unicode);
+    pb.userStr = ctx->extractedUser;
 
     offset = qEncodeNtlmString(pb.workstation, offset, ctx->workstation, unicode);
     pb.workstationStr = ctx->workstation;