File kdm-recognize-IPv6-loopback-addresses.patch of Package kdebase4-workspace

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File kdm-recognize-IPv6-loopback-addresses.patch of Package kdebase4-workspace

--- kde-workspace-4.11.14/kdm/backend/auth.c.orig	2015-02-05 22:19:17.066768986 -0600
+++ kde-workspace-4.11.14/kdm/backend/auth.c	2015-02-07 14:24:36.089991571 -0600
@@ -1067,8 +1067,8 @@ 
 #ifdef XDMCP
 
 /*
- * Call convertAddr(), and if it returns an IPv4 localhost, convert it
- * to a local display name.  Meets the _XTransconvertAddress's localhost
+ * Call convertAddr(), and if it returns an IPv4 or IPv6 localhost, convert
+ * it to a local display name.  Meets the _XTransconvertAddress's localhost
  * hack.
  */
 
@@ -1076,9 +1076,19 @@ 
 convertAuthAddr(char *saddr, int *len, CARD8 **addr)
 {
     int ret = convertAddr(saddr, len, addr);
-    if (ret == FamilyInternet &&
-            ((struct in_addr *)*addr)->s_addr == htonl(0x7F000001L))
-        ret = FamilyLocal;
+    if (ret == FamilyInternet) {
+        const struct in_addr *in = (struct in_addr *)*addr;
+        if (in->s_addr == htonl(INADDR_LOOPBACK))
+            ret = FamilyLocal;
+    } else if (ret == FamilyInternet6) {
+        const struct in6_addr *in6 = (struct in6_addr *)*addr;
+        if (IN6_IS_ADDR_V4MAPPED(in6)) {
+            const struct in_addr *in = (struct in_addr *)*addr;
+            if (in[3].s_addr == htonl(INADDR_LOOPBACK))
+                ret = FamilyLocal;
+        } else if (IN6_IS_ADDR_LOOPBACK(in6))
+            ret = FamilyLocal;
+    }
     return ret;
 }

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File kdm-recognize-IPv6-loopback-addresses.patch of Package kdebase4-workspace

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