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-rw-r--r--sysdeps/posix/getaddrinfo.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index 4885a53118..372bc9de4a 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -62,6 +62,14 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define UNIX_PATH_MAX  108
 #endif
 
+extern int idna_to_ascii_lz (const char *input, char **output, int flags);
+#define IDNA_SUCCESS 0
+#ifdef HAVE_LIBIDN
+# define SUPPORTED_IDN_FLAGS AI_IDN|AI_CANONIDN
+#else
+# define SUPPORTED_IDN_FLAGS 0
+#endif
+
 struct gaih_service
   {
     const char *name;
@@ -539,6 +547,18 @@ gaih_inet (const char *name, const struct gaih_service *service,
       at->scopeid = 0;
       at->next = NULL;
 
+#if 0
+      if (req->ai_flags & AI_IDN)
+	{
+	  char *p;
+	  rc = idna_to_ascii_lz (name, &p, 0);
+	  if (rc != IDNA_SUCCESS)
+	    return -EAI_IDN_ENCODE;
+	  name = strdupa (p);
+	  free (p);
+	}
+#endif
+
       if (inet_pton (AF_INET, name, at->addr) > 0)
 	{
 	  if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET)
@@ -1049,7 +1069,7 @@ match_prefix (const struct sockaddr_storage *ss, const struct prefixlist *list,
 
       if (bits < 8)
 	{
-	  if ((*mask & (0xff >> bits)) == (*val & (0xff >> bits)))
+	  if ((*mask & (0xff00 >> bits)) == (*val & (0xff00 >> bits)))
 	    /* Match!  */
 	    break;
 	}
@@ -1250,10 +1270,10 @@ getaddrinfo (const char *name, const char *service,
 
   if (hints->ai_flags
       & ~(AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST|AI_ADDRCONFIG|AI_V4MAPPED
-	  |AI_ALL))
+	  |SUPPORTED_IDN_FLAGS|AI_ALL))
     return EAI_BADFLAGS;
 
-  if ((hints->ai_flags & AI_CANONNAME) && name == NULL)
+  if ((hints->ai_flags & (AI_CANONNAME|AI_CANONIDN)) && name == NULL)
     return EAI_BADFLAGS;
 
   if (hints->ai_flags & AI_ADDRCONFIG)