2.5-18.1

27 files changed, 1602 insertions, 323 deletions

diff --git a/inet/Makefile b/inet/Makefile
index 0fdf9e33e4..3f796e4487 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2002, 2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006, 2007 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -47,12 +47,12 @@ routines := htonl htons		\
 	    getaliasent_r getaliasent getaliasname getaliasname_r \
 	    in6_addr getnameinfo if_index ifaddrs inet6_option \
 	    getipv4sourcefilter setipv4sourcefilter \
-	    getsourcefilter setsourcefilter
+	    getsourcefilter setsourcefilter inet6_opt inet6_rth
 
 aux := check_pf ifreq
 
 tests := htontest test_ifindex tst-ntoa tst-ether_aton tst-network \
-	 tst-gethnm test-ifaddrs bug-if1
+	 tst-gethnm test-ifaddrs bug-if1 test-inet6_opt
 
 include ../Rules
 
diff --git a/inet/Versions b/inet/Versions
index 2b7ec901ff..06507199a9 100644
--- a/inet/Versions
+++ b/inet/Versions
@@ -78,6 +78,12 @@ libc {
     getipv4sourcefilter; setipv4sourcefilter;
     getsourcefilter; setsourcefilter;
   }
+  GLIBC_2.5 {
+    inet6_opt_init; inet6_opt_append; inet6_opt_finish; inet6_opt_set_val;
+    inet6_opt_next; inet6_opt_find; inet6_opt_get_val;
+    inet6_rth_space; inet6_rth_init; inet6_rth_add; inet6_rth_reverse;
+    inet6_rth_segments; inet6_rth_getaddr;
+  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __internal_endnetgrent; __internal_getnetgrent_r;
diff --git a/inet/check_pf.c b/inet/check_pf.c
new file mode 100644
index 0000000000..b015432659
--- /dev/null
+++ b/inet/check_pf.c
@@ -0,0 +1,56 @@
+/* Determine protocol families for which interfaces exist.  Generic version.
+   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <ifaddrs.h>
+#include <netdb.h>
+
+
+void
+attribute_hidden
+__check_pf (bool *seen_ipv4, bool *seen_ipv6,
+	    struct in6addrinfo **in6ai, size_t *in6ailen)
+{
+  /* By default we have no way to determine information about
+     deprecated and temporary addresses.  */
+  *in6ai = NULL;
+  *in6ailen = 0;
+
+  /* Get the interface list via getifaddrs.  */
+  struct ifaddrs *ifa = NULL;
+  if (getifaddrs (&ifa) != 0)
+    {
+      /* We cannot determine what interfaces are available.  Be
+	 pessimistic.  */
+      *seen_ipv4 = true;
+      *seen_ipv6 = true;
+      return;
+    }
+
+  *seen_ipv4 = false;
+  *seen_ipv6 = false;
+
+  struct ifaddrs *runp;
+  for (runp = ifa; runp != NULL; runp = runp->ifa_next)
+    if (runp->ifa_addr->sa_family == PF_INET)
+      *seen_ipv4 = true;
+    else if (runp->ifa_addr->sa_family == PF_INET6)
+      *seen_ipv6 = true;
+
+  (void) freeifaddrs (ifa);
+}
diff --git a/inet/getipv4sourcefilter.c b/inet/getipv4sourcefilter.c
new file mode 100644
index 0000000000..e95697778a
--- /dev/null
+++ b/inet/getipv4sourcefilter.c
@@ -0,0 +1,32 @@
+/* Get source filter.  Stub version.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <netinet/in.h>
+
+
+int
+getipv4sourcefilter (int s, struct in_addr interface, struct in_addr group,
+		     uint32_t *fmode, uint32_t *numsrc, struct in_addr *slist)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (getipv4sourcefilter)
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c
index 493a423c10..b7b2b151b2 100644
--- a/inet/getnameinfo.c
+++ b/inet/getnameinfo.c
@@ -203,48 +203,40 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 	if (!(flags & NI_NUMERICHOST))
 	  {
 	    struct hostent *h = NULL;
+	    if (sa->sa_family == AF_INET6)
+	      {
+		while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in6 *) sa)->sin6_addr),
+					  sizeof(struct in6_addr),
+					  AF_INET6, &th, tmpbuf, tmpbuflen,
+					  &h, &herrno))
+		  if (herrno == NETDB_INTERNAL && errno == ERANGE)
+		    tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen);
+		  else
+		    break;
+	      }
+	    else
+	      {
+		while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr),
+					  sizeof(struct in_addr), AF_INET,
+					  &th, tmpbuf, tmpbuflen,
+					  &h, &herrno))
+		  if (herrno == NETDB_INTERNAL && errno == ERANGE)
+		    tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen);
+		  else
+		    break;
+	      }
+
 	    if (h == NULL)
 	      {
-		if (sa->sa_family == AF_INET6)
+		if (herrno == NETDB_INTERNAL)
 		  {
-		    while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in6 *) sa)->sin6_addr),
-					      sizeof(struct in6_addr),
-					      AF_INET6, &th, tmpbuf, tmpbuflen,
-					      &h, &herrno))
-		      {
-			if (herrno == NETDB_INTERNAL)
-			  {
-			    if (errno == ERANGE)
-			      tmpbuf = extend_alloca (tmpbuf, tmpbuflen,
-						      2 * tmpbuflen);
-			    else
-			      {
-				__set_h_errno (herrno);
-				__set_errno (serrno);
-				return EAI_SYSTEM;
-			      }
-			  }
-			else
-			  {
-			    break;
-			  }
-		      }
+		    __set_h_errno (herrno);
+		    return EAI_SYSTEM;
 		  }
-		else
+		if (herrno == TRY_AGAIN)
 		  {
-		    while (__gethostbyaddr_r ((const void *) &(((const struct sockaddr_in *)sa)->sin_addr),
-					      sizeof(struct in_addr), AF_INET,
-					      &th, tmpbuf, tmpbuflen,
-					      &h, &herrno))
-		      {
-			if (errno == ERANGE)
-			  tmpbuf = extend_alloca (tmpbuf, tmpbuflen,
-						  2 * tmpbuflen);
-			else
-			  {
-			    break;
-			  }
-		      }
+		    __set_h_errno (herrno);
+		    return EAI_AGAIN;
 		  }
 	      }
 
@@ -361,10 +353,7 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 				 (const void *) &(((const struct sockaddr_in *) sa)->sin_addr),
 				 host, hostlen);
 		if (c == NULL)
-		  {
-		    __set_errno (serrno);
-		    return EAI_SYSTEM;
-		  }
+		  return EAI_SYSTEM;
 	      }
 	    ok = 1;
 	  }
@@ -403,25 +392,16 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
 	if (!(flags & NI_NUMERICSERV))
 	  {
 	    struct servent *s, ts;
-	    while (__getservbyport_r (((const struct sockaddr_in *) sa)->sin_port,
-				      ((flags & NI_DGRAM) ? "udp" : "tcp"),
-				      &ts, tmpbuf, tmpbuflen, &s))
+	    int e;
+	    while ((e = __getservbyport_r (((const struct sockaddr_in *) sa)->sin_port,
+					   ((flags & NI_DGRAM)
+					    ? "udp" : "tcp"),
+					   &ts, tmpbuf, tmpbuflen, &s)))
 	      {
-		if (herrno == NETDB_INTERNAL)
-		  {
-		    if (errno == ERANGE)
-		      tmpbuf = extend_alloca (tmpbuf, tmpbuflen,
-					      2 * tmpbuflen);
-		    else
-		      {
-			__set_errno (serrno);
-			return EAI_SYSTEM;
-		      }
-		  }
+		if (e == ERANGE)
+		  tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen);
 		else
-		  {
-		    break;
-		  }
+		  break;
 	      }
 	    if (s)
 	      {
diff --git a/inet/getnetgrent_r.c b/inet/getnetgrent_r.c
index 640210ab2e..97b2b809f0 100644
--- a/inet/getnetgrent_r.c
+++ b/inet/getnetgrent_r.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1996,1997,1998,1999,2002,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004, 2005
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -16,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <assert.h>
 #include <bits/libc-lock.h>
 #include <errno.h>
 #include <netdb.h>
@@ -33,15 +35,13 @@ __libc_lock_define_initialized (static, lock)
 static struct __netgrent dataset;
 
 /* The lookup function for the first entry of this service.  */
-extern int __nss_netgroup_lookup (service_user **nip, const char *name,
+extern int __nss_netgroup_lookup (service_user **nipp, const char *name,
 				  void **fctp) internal_function;
 
-
-/* Set up NIP to run through the services.  If ALL is zero, use NIP's
-   current location if it's not nil.  Return nonzero if there are no
+/* Set up NIP to run through the services.  Return nonzero if there are no
    services (left).  */
-static enum nss_status
-setup (void **fctp, const char *func_name, int all, service_user **nipp)
+static int
+setup (void **fctp, service_user **nipp)
 {
   /* Remember the first service_entry, it's always the same.  */
   static service_user *startp;
@@ -51,7 +51,7 @@ setup (void **fctp, const char *func_name, int all, service_user **nipp)
     {
       /* Executing this more than once at the same time must yield the
 	 same result every time.  So we need no locking.  */
-      no_more = __nss_netgroup_lookup (nipp, func_name, fctp);
+      no_more = __nss_netgroup_lookup (nipp, "setnetgrent", fctp);
       startp = no_more ? (service_user *) -1 : *nipp;
     }
   else if (startp == (service_user *) -1)
@@ -59,11 +59,10 @@ setup (void **fctp, const char *func_name, int all, service_user **nipp)
     return 1;
   else
     {
-      if (all || *nipp == NULL)
-	/* Reset to the beginning of the service list.  */
-	*nipp = startp;
+      /* Reset to the beginning of the service list.  */
+      *nipp = startp;
       /* Look up the first function.  */
-      no_more = __nss_lookup (nipp, func_name, fctp);
+      no_more = __nss_lookup (nipp, "setnetgrent", fctp);
     }
   return no_more;
 }
@@ -87,6 +86,20 @@ free_memory (struct __netgrent *data)
     }
 }
 
+static void
+endnetgrent_hook (struct __netgrent *datap)
+{
+  enum nss_status (*endfct) (struct __netgrent *);
+
+  if (datap->nip == NULL)
+    return;
+
+  endfct = __nss_lookup_function (datap->nip, "endnetgrent");
+  if (endfct != NULL)
+    (void) (*endfct) (datap);
+  datap->nip = NULL;
+}
+
 static int
 internal_function
 __internal_setnetgrent_reuse (const char *group, struct __netgrent *datap,
@@ -100,14 +113,29 @@ __internal_setnetgrent_reuse (const char *group, struct __netgrent *datap,
   enum nss_status status = NSS_STATUS_UNAVAIL;
   struct name_list *new_elem;
 
+  /* Free data from previous service.  */
+  endnetgrent_hook (datap);
+
   /* Cycle through all the services and run their setnetgrent functions.  */
-  int no_more = setup (&fct.ptr, "setnetgrent", 1, &datap->nip);
+  int no_more = setup (&fct.ptr, &datap->nip);
   while (! no_more)
     {
+      assert (datap->data == NULL);
+
       /* Ignore status, we force check in `__nss_next'.  */
       status = (*fct.f) (group, datap);
 
+      service_user *old_nip = datap->nip;
       no_more = __nss_next (&datap->nip, "setnetgrent", &fct.ptr, status, 0);
+
+      if (status == NSS_STATUS_SUCCESS && ! no_more)
+	{
+	  enum nss_status (*endfct) (struct __netgrent *);
+
+	  endfct = __nss_lookup_function (old_nip, "endnetgrent");
+	  if (endfct != NULL)
+	    (void) (*endfct) (datap);
+	}
     }
 
   /* Add the current group to the list of known groups.  */
@@ -157,34 +185,13 @@ setnetgrent (const char *group)
   return result;
 }
 
-
 void internal_endnetgrent (struct __netgrent *datap);
 libc_hidden_proto (internal_endnetgrent)
 
 void
 internal_endnetgrent (struct __netgrent *datap)
 {
-  service_user *old_nip;
-  union
-  {
-    enum nss_status (*f) (struct __netgrent *);
-    void *ptr;
-  } fct;
-
-  /* Remember which was the last used service.  */
-  old_nip = datap->nip;
-
-  /* Cycle through all the services and run their endnetgrent functions.  */
-  int no_more = setup (&fct.ptr, "endnetgrent", 1, &datap->nip);
-  while (! no_more)
-    {
-      /* Ignore status, we force check in `__nss_next'.  */
-      (void) (*fct.f) (datap);
-
-      no_more = (datap->nip == old_nip
-		 || __nss_next (&datap->nip, "endnetgrent", &fct.ptr, 0, 1));
-    }
-
+  endnetgrent_hook (datap);
   /* Now free list of all netgroup names from last run.  */
   free_memory (datap);
 }
@@ -213,11 +220,7 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp,
 			  struct __netgrent *datap,
 			  char *buffer, size_t buflen, int *errnop)
 {
-  union
-  {
-    enum nss_status (*f) (struct __netgrent *, char *, size_t, int *);
-    void *ptr;
-  } fct;
+  enum nss_status (*fct) (struct __netgrent *, char *, size_t, int *);
 
   /* Initialize status to return if no more functions are found.  */
   enum nss_status status = NSS_STATUS_NOTFOUND;
@@ -225,10 +228,12 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp,
   /* Run through available functions, starting with the same function last
      run.  We will repeat each function as long as it succeeds, and then go
      on to the next service action.  */
-  int no_more = setup (&fct.ptr, "getnetgrent_r", 0, &datap->nip);
+  int no_more = (datap->nip == NULL
+		 || (fct = __nss_lookup_function (datap->nip, "getnetgrent_r"))
+		    == NULL);
   while (! no_more)
     {
-      status = (*fct.f) (datap, buffer, buflen, &errno);
+      status = (*fct) (datap, buffer, buflen, &errno);
 
       if (status == NSS_STATUS_RETURN)
 	{
@@ -246,8 +251,12 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp,
 						    datap, errnop);
 	    }
 
-	  if (found)
-	    continue;
+	  if (found && datap->nip != NULL)
+	    {
+	      fct = __nss_lookup_function (datap->nip, "getnetgrent_r");
+	      if (fct != NULL)
+		continue;
+	    }
 	}
       else if (status == NSS_STATUS_SUCCESS && datap->type == group_val)
 	{
@@ -279,7 +288,7 @@ internal_getnetgrent_r (char **hostp, char **userp, char **domainp,
 	    }
 	}
 
-      no_more = __nss_next (&datap->nip, "getnetgrent_r", &fct.ptr, status, 0);
+      break;
     }
 
   if (status == NSS_STATUS_SUCCESS)
@@ -322,16 +331,8 @@ innetgr (const char *netgroup, const char *host, const char *user,
     int (*f) (const char *, struct __netgrent *);
     void *ptr;
   } setfct;
-  union
-  {
-    void (*f) (struct __netgrent *);
-    void *ptr;
-  } endfct;
-  union
-  {
-    int (*f) (struct __netgrent *, char *, size_t, int *);
-    void *ptr;
-  } getfct;
+  void (*endfct) (struct __netgrent *);
+  int (*getfct) (struct __netgrent *, char *, size_t, int *);
   struct __netgrent entry;
   int result = 0;
   const char *current_group = netgroup;
@@ -345,18 +346,21 @@ innetgr (const char *netgroup, const char *host, const char *user,
      the work during one walk through the service list.  */
   while (1)
     {
-      int no_more = setup (&setfct.ptr, "setnetgrent", 1, &entry.nip);
+      int no_more = setup (&setfct.ptr, &entry.nip);
       while (! no_more)
 	{
+	  assert (entry.data == NULL);
+
 	  /* Open netgroup.  */
 	  enum nss_status status = (*setfct.f) (current_group, &entry);
 
 	  if (status == NSS_STATUS_SUCCESS
-	      && __nss_lookup (&entry.nip, "getnetgrent_r", &getfct.ptr) == 0)
+	      && (getfct = __nss_lookup_function (entry.nip, "getnetgrent_r"))
+		 != NULL)
 	    {
 	      char buffer[1024];
 
-	      while ((*getfct.f) (&entry, buffer, sizeof buffer, &errno)
+	      while ((*getfct) (&entry, buffer, sizeof buffer, &errno)
 		     == NSS_STATUS_SUCCESS)
 		{
 		  if (entry.type == group_val)
@@ -405,17 +409,18 @@ innetgr (const char *netgroup, const char *host, const char *user,
 		    }
 		}
 
-	      if (result != 0)
-		break;
-
 	      /* If we found one service which does know the given
 		 netgroup we don't try further.  */
 	      status = NSS_STATUS_RETURN;
 	    }
 
 	  /* Free all resources of the service.  */
-	  if (__nss_lookup (&entry.nip, "endnetgrent", &endfct.ptr) == 0)
-	    (*endfct.f) (&entry);
+	  endfct = __nss_lookup_function (entry.nip, "endnetgrent");
+	  if (endfct != NULL)
+	    (*endfct) (&entry);
+
+	  if (result != 0)
+	    break;
 
 	  /* Look for the next service.  */
 	  no_more = __nss_next (&entry.nip, "setnetgrent",
@@ -439,6 +444,6 @@ innetgr (const char *netgroup, const char *host, const char *user,
   /* Free the memory.  */
   free_memory (&entry);
 
-  return result;
+  return result == 1;
 }
 libc_hidden_def (innetgr)
diff --git a/inet/getsourcefilter.c b/inet/getsourcefilter.c
new file mode 100644
index 0000000000..373550beb3
--- /dev/null
+++ b/inet/getsourcefilter.c
@@ -0,0 +1,33 @@
+/* Get source filter.  Stub version.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <netinet/in.h>
+
+
+int
+getsourcefilter (int s, uint32_t interface, const struct sockaddr *group,
+		 socklen_t grouplen, uint32_t *fmode, uint32_t *numsrc,
+		 struct sockaddr_storage *slist)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (getsourcefilter)
diff --git a/inet/herrno-loc.c b/inet/herrno-loc.c
new file mode 100644
index 0000000000..fd6deeb330
--- /dev/null
+++ b/inet/herrno-loc.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 1996, 97, 98, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <netdb.h>
+#include <tls.h>
+
+#if ! USE___THREAD
+# undef h_errno
+extern int h_errno;
+#endif
+
+/* When threaded, h_errno may be a per-thread variable.  */
+int *
+weak_const_function
+__h_errno_location (void)
+{
+  return &h_errno;
+}
+libc_hidden_def (__h_errno_location)
diff --git a/inet/htonl.c b/inet/htonl.c
new file mode 100644
index 0000000000..dfee1b0545
--- /dev/null
+++ b/inet/htonl.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1993,97,2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <netinet/in.h>
+
+#undef	htonl
+#undef	ntohl
+
+uint32_t
+htonl (x)
+     uint32_t x;
+{
+#if BYTE_ORDER == BIG_ENDIAN
+  return x;
+#elif BYTE_ORDER == LITTLE_ENDIAN
+  return __bswap_32 (x);
+#else
+# error "What kind of system is this?"
+#endif
+}
+weak_alias (htonl, ntohl)
diff --git a/inet/htons.c b/inet/htons.c
new file mode 100644
index 0000000000..95c94de8a3
--- /dev/null
+++ b/inet/htons.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1993,97,2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <netinet/in.h>
+
+#undef	htons
+#undef	ntohs
+
+uint16_t
+htons (x)
+     uint16_t x;
+{
+#if BYTE_ORDER == BIG_ENDIAN
+  return x;
+#elif BYTE_ORDER == LITTLE_ENDIAN
+  return __bswap_16 (x);
+#else
+# error "What kind of system is this?"
+#endif
+}
+weak_alias (htons, ntohs)
diff --git a/inet/if_index.c b/inet/if_index.c
new file mode 100644
index 0000000000..f217f37642
--- /dev/null
+++ b/inet/if_index.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1997,98,99,2000,02 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <net/if.h>
+#include <errno.h>
+#include <stddef.h>
+
+unsigned int
+if_nametoindex (const char *ifname)
+{
+  __set_errno (ENOSYS);
+  return 0;
+}
+libc_hidden_def (if_nametoindex)
+stub_warning (if_nametoindex)
+
+char *
+if_indextoname (unsigned int ifindex, char *ifname)
+{
+  __set_errno (ENOSYS);
+  return NULL;
+}
+libc_hidden_def (if_indextoname)
+stub_warning (if_indextoname)
+
+void
+if_freenameindex (struct if_nameindex *ifn)
+{
+}
+stub_warning (if_freenameindex)
+
+struct if_nameindex *
+if_nameindex (void)
+{
+  __set_errno (ENOSYS);
+  return NULL;
+}
+stub_warning (if_nameindex)
+#include <stub-tag.h>
+
+#if 0
+void
+internal_function
+__protocol_available (int *have_inet, int *have_inet6)
+{
+  /* By default we assume that IPv4 is available, IPv6 not.  */
+  *have_inet = 1;
+  *have_inet6 = 0;
+}
+#endif
diff --git a/inet/ifaddrs.c b/inet/ifaddrs.c
new file mode 100644
index 0000000000..330aae3b39
--- /dev/null
+++ b/inet/ifaddrs.c
@@ -0,0 +1,46 @@
+/* getifaddrs -- get names and addresses of all network interfaces
+   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <ifaddrs.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* Create a linked list of `struct ifaddrs' structures, one for each
+   network interface on the host machine.  If successful, store the
+   list in *IFAP and return 0.  On errors, return -1 and set `errno'.  */
+int
+getifaddrs (struct ifaddrs **ifap)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+libc_hidden_def (getifaddrs)
+stub_warning (getifaddrs)
+
+void
+freeifaddrs (struct ifaddrs *ifa)
+{
+  if (ifa == NULL)
+    return;			/* a la free, why not? */
+
+  /* Can't be called properly if getifaddrs never succeeded.  */
+  abort ();
+}
+libc_hidden_def (freeifaddrs)
+stub_warning (freeifaddrs)
diff --git a/inet/ifreq.c b/inet/ifreq.c
new file mode 100644
index 0000000000..55e833bdb3
--- /dev/null
+++ b/inet/ifreq.c
@@ -0,0 +1,80 @@
+/* Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Jaeger <aj@suse.de>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "ifreq.h"
+
+
+void
+__ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd)
+{
+  int fd = sockfd;
+  struct ifconf ifc;
+  int rq_len;
+  int nifs;
+# define RQ_IFS	4
+
+  if (fd < 0)
+    fd = __opensock ();
+  if (fd < 0)
+    {
+      *num_ifs = 0;
+      *ifreqs = NULL;
+      return;
+    }
+
+  ifc.ifc_buf = NULL;
+  rq_len = RQ_IFS * sizeof (struct ifreq) / 2; /* Doubled in the loop.  */
+  do
+    {
+      ifc.ifc_len = rq_len *= 2;
+      void *newp = realloc (ifc.ifc_buf, ifc.ifc_len);
+      if (newp == NULL || __ioctl (fd, SIOCGIFCONF, &ifc) < 0)
+	{
+	  free (ifc.ifc_buf);
+
+	  if (fd != sockfd)
+	    __close (fd);
+	  *num_ifs = 0;
+	  *ifreqs = NULL;
+	  return;
+	}
+      ifc.ifc_buf = newp;
+    }
+  while (rq_len < sizeof (struct ifreq) + ifc.ifc_len);
+
+  if (fd != sockfd)
+    __close (fd);
+
+#ifdef _HAVE_SA_LEN
+  struct ifreq *ifr = *ifreqs;
+  nifs = 0;
+  while ((char *) ifr < ifc.ifc_buf + ifc.ifc_len)
+    {
+      ++nifs;
+      ifr = __if_nextreq (ifr);
+      if (ifr == NULL)
+	break;
+    }
+#else
+  nifs = ifc.ifc_len / sizeof (struct ifreq);
+#endif
+
+  *num_ifs = nifs;
+  *ifreqs = realloc (ifc.ifc_buf, nifs * sizeof (struct ifreq));
+}
diff --git a/inet/inet6_opt.c b/inet/inet6_opt.c
new file mode 100644
index 0000000000..17d3fee213
--- /dev/null
+++ b/inet/inet6_opt.c
@@ -0,0 +1,278 @@
+/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <string.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>
+
+
+/* RFC 3542, 10.1
+
+   This function returns the number of bytes needed for the empty
+   extension header i.e., without any options.  If EXTBUF is not NULL it
+   also initializes the extension header to have the correct length
+   field.  In that case if the EXTLEN value is not a positive (i.e.,
+   non-zero) multiple of 8 the function fails and returns -1.  */
+int
+inet6_opt_init (void *extbuf, socklen_t extlen)
+{
+  if (extbuf != NULL)
+    {
+      if (extlen <= 0 || (extlen % 8) != 0)
+	return -1;
+
+      /* Fill in the length in units of 8 octets.  */
+      struct ip6_hbh *extp = (struct ip6_hbh *) extbuf;
+      extp->ip6h_len = extlen / 8;
+    }
+
+  return sizeof (struct ip6_hbh);
+}
+
+
+static void
+add_padding (uint8_t *extbuf, int offset, int npad)
+{
+  if (npad == 1)
+    extbuf[offset] = IP6OPT_PAD1;
+  else if (npad > 0)
+    {
+      struct ip6_opt *pad_opt = (struct ip6_opt *) (extbuf + offset);
+
+      pad_opt->ip6o_type = IP6OPT_PADN;
+      pad_opt->ip6o_len = npad - sizeof (struct ip6_opt);
+      /* Clear the memory used by the padding.  */
+      memset (pad_opt + 1, '\0', pad_opt->ip6o_len);
+    }
+}
+
+
+
+/* RFC 3542, 10.2
+
+   This function returns the updated total length taking into account
+   adding an option with length 'len' and alignment 'align'.  If
+   EXTBUF is not NULL then, in addition to returning the length, the
+   function inserts any needed pad option, initializes the option
+   (setting the type and length fields) and returns a pointer to the
+   location for the option content in databufp.  If the option does
+   not fit in the extension header buffer the function returns -1.  */
+int
+inet6_opt_append (void *extbuf, socklen_t extlen, int offset, uint8_t type,
+		  socklen_t len, uint8_t align, void **databufp)
+{
+  /* Check minimum offset.  */
+  if (offset < sizeof (struct ip6_hbh))
+    return -1;
+
+  /* One cannot add padding options.  */
+  if (type == IP6OPT_PAD1 || type == IP6OPT_PADN)
+    return -1;
+
+  /* The option length must fit in one octet.  */
+  if (len > 255)
+    return -1;
+
+  /* The alignment can only by 1, 2, 4, or 8 and must not exceed the
+     option length.  */
+  if (align == 0 || align > 8 || (align & (align - 1)) != 0 || align > len)
+    return -1;
+
+  /* Determine the needed padding for alignment.  Following the
+     current content of the buffer we have the is the IPv6 option type
+     and length, followed immediately by the data.  The data has the
+     alignment constraints.  Therefore padding must be inserted in the
+     form of padding options before the new option. */
+  int data_offset = offset + sizeof (struct ip6_opt);
+  int npad = (align - data_offset % align) & (align - 1);
+
+  if (extbuf != NULL)
+    {
+      /* Now we can check whether the buffer is large enough.  */
+      if (data_offset + npad + len > extlen)
+	return -1;
+
+      add_padding (extbuf, offset, npad);
+
+      offset += npad;
+
+      /* Now prepare the option itself.  */
+      struct ip6_opt *opt = (struct ip6_opt *) ((uint8_t *) extbuf + offset);
+
+      opt->ip6o_type = type;
+      opt->ip6o_len = len;
+
+      *databufp = opt + 1;
+    }
+  else
+    offset += npad;
+
+  return offset + sizeof (struct ip6_opt) + len;
+}
+
+
+/* RFC 3542, 10.3
+
+   This function returns the updated total length taking into account
+   the final padding of the extension header to make it a multiple of
+   8 bytes.  If EXTBUF is not NULL the function also initializes the
+   option by inserting a Pad1 or PadN option of the proper length.  */
+int
+inet6_opt_finish (void *extbuf, socklen_t extlen, int offset)
+{
+  /* Check minimum offset.  */
+  if (offset < sizeof (struct ip6_hbh))
+    return -1;
+
+  /* Required padding at the end.  */
+  int npad = (8 - (offset & 7)) & 7;
+
+  if (extbuf != NULL)
+    {
+      /* Make sure the buffer is large enough.  */
+      if (offset + npad > extlen)
+	return -1;
+
+      add_padding (extbuf, offset, npad);
+    }
+
+  return offset + npad;
+}
+
+
+/* RFC 3542, 10.4
+
+   This function inserts data items of various sizes in the data
+   portion of the option.  VAL should point to the data to be
+   inserted.  OFFSET specifies where in the data portion of the option
+   the value should be inserted; the first byte after the option type
+   and length is accessed by specifying an offset of zero.  */
+int
+inet6_opt_set_val (void *databuf, int offset, void *val, socklen_t vallen)
+{
+  memcpy ((uint8_t *) databuf + offset, val, vallen);
+
+  return offset + vallen;
+}
+
+
+/* RFC 3542, 10.5
+
+   This function parses received option extension headers returning
+   the next option.  EXTBUF and EXTLEN specifies the extension header.
+   OFFSET should either be zero (for the first option) or the length
+   returned by a previous call to 'inet6_opt_next' or
+   'inet6_opt_find'.  It specifies the position where to continue
+   scanning the extension buffer.  */
+int
+inet6_opt_next (void *extbuf, socklen_t extlen, int offset, uint8_t *typep,
+		socklen_t *lenp, void **databufp)
+{
+  if (offset == 0)
+    offset = sizeof (struct ip6_hbh);
+  else if (offset < sizeof (struct ip6_hbh))
+    return -1;
+
+  while (offset < extlen)
+    {
+      struct ip6_opt *opt = (struct ip6_opt *) ((uint8_t *) extbuf + offset);
+
+      if (opt->ip6o_type == IP6OPT_PAD1)
+	/* Single byte padding.  */
+	++offset;
+      else if (opt->ip6o_type == IP6OPT_PADN)
+	offset += sizeof (struct ip6_opt) + opt->ip6o_len;
+      else
+	{
+	  /* Check whether the option is valid.  */
+	  offset += sizeof (struct ip6_opt) + opt->ip6o_len;
+	  if (offset > extlen)
+	    return -1;
+
+	  *typep = opt->ip6o_type;
+	  *lenp = opt->ip6o_len;
+	  *databufp = opt + 1;
+	  return offset;
+	}
+    }
+
+  return -1;
+}
+
+
+/* RFC 3542, 10.6
+
+   This function is similar to the previously described
+   'inet6_opt_next' function, except this function lets the caller
+   specify the option type to be searched for, instead of always
+   returning the next option in the extension header.  */
+int
+inet6_opt_find (void *extbuf, socklen_t extlen, int offset, uint8_t type,
+		socklen_t *lenp, void **databufp)
+{
+  if (offset == 0)
+    offset = sizeof (struct ip6_hbh);
+  else if (offset < sizeof (struct ip6_hbh))
+    return -1;
+
+  while (offset < extlen)
+    {
+      struct ip6_opt *opt = (struct ip6_opt *) ((uint8_t *) extbuf + offset);
+
+      if (opt->ip6o_type == IP6OPT_PAD1)
+	{
+	  /* Single byte padding.  */
+	  ++offset;
+	  if (type == IP6OPT_PAD1)
+	    {
+	      *lenp = 0;
+	      *databufp = (uint8_t *) extbuf + offset;
+	      return offset;
+	    }
+	}
+      else if (opt->ip6o_type != type)
+	offset += sizeof (struct ip6_opt) + opt->ip6o_len;
+      else
+	{
+	  /* Check whether the option is valid.  */
+	  offset += sizeof (struct ip6_opt) + opt->ip6o_len;
+	  if (offset > extlen)
+	    return -1;
+
+	  *lenp = opt->ip6o_len;
+	  *databufp = opt + 1;
+	  return offset;
+	}
+    }
+
+  return -1;
+}
+
+
+/* RFC 3542, 10.7
+
+   This function extracts data items of various sizes in the data
+   portion of the option.  */
+int
+inet6_opt_get_val (void *databuf, int offset, void *val, socklen_t vallen)
+{
+  memcpy (val, (uint8_t *) databuf + offset, vallen);
+
+  return offset + vallen;
+}
diff --git a/inet/inet6_option.c b/inet/inet6_option.c
index 2e0fed8a30..b34eb22b7d 100644
--- a/inet/inet6_option.c
+++ b/inet/inet6_option.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
@@ -75,6 +75,10 @@ get_opt_end (const uint8_t **result, const uint8_t *startp,
 }
 
 
+static uint8_t *option_alloc (struct cmsghdr *cmsg, int datalen, int multx,
+			      int plusy);
+
+
 /* RFC 2292, 6.3.1
 
    This function returns the number of bytes required to hold an option
@@ -93,6 +97,8 @@ inet6_option_space (nbytes)
 
   return CMSG_SPACE (roundup (nbytes, 8));
 }
+link_warning (inet6_option_space,
+	      "inet6_option_space is obsolete, use the RFC 3542 interfaces")
 
 
 /* RFC 2292, 6.3.2
@@ -127,6 +133,8 @@ inet6_option_init (bp, cmsgp, type)
 
   return 0;
 }
+link_warning (inet6_option_init,
+	      "inet6_option_init is obsolete, use the RFC 3542 interfaces")
 
 
 /* RFC 2292, 6.3.3
@@ -150,7 +158,7 @@ inet6_option_append (cmsg, typep, multx, plusy)
   int len = typep[0] == IP6OPT_PAD1 ? 1 : typep[1] + 2;
 
   /* Get the pointer to the space in the message.  */
-  uint8_t *ptr = inet6_option_alloc (cmsg, len, multx, plusy);
+  uint8_t *ptr = option_alloc (cmsg, len, multx, plusy);
   if (ptr == NULL)
     /* Some problem with the parameters.  */
     return -1;
@@ -160,6 +168,8 @@ inet6_option_append (cmsg, typep, multx, plusy)
 
   return 0;
 }
+link_warning (inet6_option_append,
+	      "inet6_option_append is obsolete, use the RFC 3542 interfaces")
 
 
 /* RFC 2292, 6.3.4
@@ -169,12 +179,8 @@ inet6_option_append (cmsg, typep, multx, plusy)
    inet6_option_init().  This function returns a pointer to the 8-bit
    option type field that starts the option on success, or NULL on an
    error.  */
-uint8_t *
-inet6_option_alloc (cmsg, datalen, multx, plusy)
-     struct cmsghdr *cmsg;
-     int datalen;
-     int multx;
-     int plusy;
+static uint8_t *
+option_alloc (struct cmsghdr *cmsg, int datalen, int multx, int plusy)
 {
   /* The RFC limits the value of the alignment values.  */
   if ((multx != 1 && multx != 2 && multx != 4 && multx != 8)
@@ -214,7 +220,19 @@ inet6_option_alloc (cmsg, datalen, multx, plusy)
 
   return result;
 }
-libc_hidden_def (inet6_option_alloc)
+
+
+uint8_t *
+inet6_option_alloc (cmsg, datalen, multx, plusy)
+     struct cmsghdr *cmsg;
+     int datalen;
+     int multx;
+     int plusy;
+{
+  return option_alloc (cmsg, datalen, multx, plusy);
+}
+link_warning (inet6_option_alloc,
+	      "inet6_option_alloc is obsolete, use the RFC 3542 interfaces")
 
 
 /* RFC 2292, 6.3.5
@@ -251,7 +269,7 @@ inet6_option_next (cmsg, tptrp)
   const uint8_t *endp = CMSG_DATA (cmsg) + (ip6e->ip6e_len + 1) * 8;
 
   const uint8_t *result;
-  if (tptrp == NULL)
+  if (*tptrp == NULL)
     /* This is the first call, return the first option if there is one.  */
     result = (const uint8_t *) (ip6e + 1);
   else
@@ -272,6 +290,8 @@ inet6_option_next (cmsg, tptrp)
   /* Check the option is fully represented in the message.  */
   return get_opt_end (&result, result, endp);
 }
+link_warning (inet6_option_next,
+	      "inet6_option_next is obsolete, use the RFC 3542 interfaces")
 
 
 /* RFC 2292, 6.3.6
@@ -308,7 +328,7 @@ inet6_option_find (cmsg, tptrp, type)
   const uint8_t *endp = CMSG_DATA (cmsg) + (ip6e->ip6e_len + 1) * 8;
 
   const uint8_t *next;
-  if (tptrp == NULL)
+  if (*tptrp == NULL)
     /* This is the first call, return the first option if there is one.  */
     next = (const uint8_t *) (ip6e + 1);
   else
@@ -341,3 +361,5 @@ inet6_option_find (cmsg, tptrp, type)
   /* Success.  */
   return 0;
 }
+link_warning (inet6_option_find,
+	      "inet6_option_find is obsolete, use the RFC 3542 interfaces")
diff --git a/inet/inet6_rth.c b/inet/inet6_rth.c
new file mode 100644
index 0000000000..15f8240909
--- /dev/null
+++ b/inet/inet6_rth.c
@@ -0,0 +1,192 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <string.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>
+
+
+/* RFC 3542, 7.1
+
+   This function returns the number of bytes required to hold a
+   Routing header of the specified type containing the specified
+   number of segments (addresses).  For an IPv6 Type 0 Routing header,
+   the number of segments must be between 0 and 127, inclusive.  */
+socklen_t
+inet6_rth_space (int type, int segments)
+{
+  switch (type)
+    {
+    case IPV6_RTHDR_TYPE_0:
+      if (segments < 0 || segments > 127)
+	return 0;
+
+      return sizeof (struct ip6_rthdr0) + segments * sizeof (struct in6_addr);
+    }
+
+  return 0;
+}
+
+
+/* RFC 3542, 7.2
+
+   This function initializes the buffer pointed to by BP to contain a
+   Routing header of the specified type and sets ip6r_len based on the
+   segments parameter.  */
+void *
+inet6_rth_init (void *bp, socklen_t bp_len, int type, int segments)
+{
+  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
+
+  switch (type)
+    {
+    case IPV6_RTHDR_TYPE_0:
+      /* Make sure the parameters are valid and the buffer is large enough.  */
+      if (segments < 0 || segments > 127)
+	break;
+
+      socklen_t len = (sizeof (struct ip6_rthdr0)
+		       + segments * sizeof (struct in6_addr));
+      if (len > bp_len)
+	break;
+
+      /* Some implementations seem to initialize the whole memory area.  */
+      memset (bp, '\0', len);
+
+      /* Length in units of 8 octets.  */
+      rthdr->ip6r_len = segments * sizeof (struct in6_addr) / 8;
+      rthdr->ip6r_type = IPV6_RTHDR_TYPE_0;
+      return bp;
+    }
+
+  return NULL;
+}
+
+
+/* RFC 3542, 7.3
+
+   This function adds the IPv6 address pointed to by addr to the end of
+   the Routing header being constructed.  */
+int
+inet6_rth_add (void *bp, const struct in6_addr *addr)
+{
+  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
+
+  switch (rthdr->ip6r_type)
+    {
+      struct ip6_rthdr0 *rthdr0;
+    case IPV6_RTHDR_TYPE_0:
+      rthdr0 = (struct ip6_rthdr0 *) rthdr;
+
+      memcpy (&rthdr0->ip6r0_addr[rthdr0->ip6r0_segleft++],
+	      addr, sizeof (struct in6_addr));
+
+      return 0;
+    }
+
+  return -1;
+}
+
+
+/* RFC 3542, 7.4
+
+   This function takes a Routing header extension header (pointed to by
+   the first argument) and writes a new Routing header that sends
+   datagrams along the reverse of that route.  The function reverses the
+   order of the addresses and sets the segleft member in the new Routing
+   header to the number of segments.  */
+int
+inet6_rth_reverse (const void *in, void *out)
+{
+  struct ip6_rthdr *in_rthdr = (struct ip6_rthdr *) in;
+
+  switch (in_rthdr->ip6r_type)
+    {
+      struct ip6_rthdr0 *in_rthdr0;
+      struct ip6_rthdr0 *out_rthdr0;
+    case IPV6_RTHDR_TYPE_0:
+      in_rthdr0 = (struct ip6_rthdr0 *) in;
+      out_rthdr0 = (struct ip6_rthdr0 *) out;
+
+      /* Copy header, not the addresses.  The memory regions can overlap.  */
+      memmove (out_rthdr0, in_rthdr0, sizeof (struct ip6_rthdr0));
+
+      int total = in_rthdr0->ip6r0_segleft * 8 / sizeof (struct in6_addr);
+      for (int i = 0; i < total / 2; ++i)
+	{
+	  /* Remember, IN_RTHDR0 and OUT_RTHDR0 might overlap.  */
+	  struct in6_addr temp = in_rthdr0->ip6r0_addr[i];
+	  out_rthdr0->ip6r0_addr[i] = in_rthdr0->ip6r0_addr[total - 1 - i];
+	  out_rthdr0->ip6r0_addr[total - 1 - i] = temp;
+	}
+      if (total % 2 != 0 && in != out)
+	out_rthdr0->ip6r0_addr[total / 2] = in_rthdr0->ip6r0_addr[total / 2];
+
+      return 0;
+    }
+
+  return -1;
+}
+
+
+/* RFC 3542, 7.5
+
+   This function returns the number of segments (addresses) contained in
+   the Routing header described by BP.  */
+int
+inet6_rth_segments (const void *bp)
+{
+  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
+
+  switch (rthdr->ip6r_type)
+    {
+    case IPV6_RTHDR_TYPE_0:
+
+      return rthdr->ip6r_len * 8 / sizeof (struct in6_addr);
+    }
+
+  return -1;
+}
+
+
+/* RFC 3542, 7.6
+
+   This function returns a pointer to the IPv6 address specified by
+   index (which must have a value between 0 and one less than the
+   value returned by 'inet6_rth_segments') in the Routing header
+   described by BP.  */
+struct in6_addr *
+inet6_rth_getaddr (const void *bp, int index)
+{
+  struct ip6_rthdr *rthdr = (struct ip6_rthdr *) bp;
+
+  switch (rthdr->ip6r_type)
+    {
+       struct ip6_rthdr0 *rthdr0;
+    case IPV6_RTHDR_TYPE_0:
+      rthdr0 = (struct ip6_rthdr0 *) rthdr;
+
+      if (index >= rthdr0->ip6r0_len * 8 / sizeof (struct in6_addr))
+	break;
+
+      return &rthdr0->ip6r0_addr[index];
+    }
+
+  return NULL;
+}
diff --git a/inet/inet_ntoa.c b/inet/inet_ntoa.c
index 889435dd10..38794957c2 100644
--- a/inet/inet_ntoa.c
+++ b/inet/inet_ntoa.c
@@ -21,78 +21,19 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <arpa/inet.h>
-#include <bits/libc-lock.h>
 
 /* The interface of this function is completely stupid, it requires a
-   static buffer.  We relax this a bit in that we allow at least one
-   buffer for each thread.  */
-
-/* This is the key for the thread specific memory.  */
-static __libc_key_t key;
-
-/* If nonzero the key allocation failed and we should better use a
-   static buffer than fail.  */
-static char local_buf[18];
-static char *static_buf;
-
-/* Destructor for the thread-specific data.  */
-static void init (void);
-static void free_key_mem (void *mem);
+   static buffer.  We relax this a bit in that we allow one buffer for
+   each thread.  */
+static __thread char buffer[18];
 
 
 char *
 inet_ntoa (struct in_addr in)
 {
-  __libc_once_define (static, once);
-  char *buffer;
-  unsigned char *bytes;
-
-  /* If we have not yet initialized the buffer do it now.  */
-  __libc_once (once, init);
-
-  if (static_buf != NULL)
-    buffer = static_buf;
-  else
-    {
-      /* We don't use the static buffer and so we have a key.  Use it
-	 to get the thread-specific buffer.  */
-      buffer = __libc_getspecific (key);
-      if (buffer == NULL)
-	{
-	  /* No buffer allocated so far.  */
-	  buffer = malloc (18);
-	  if (buffer == NULL)
-	    /* No more memory available.  We use the static buffer.  */
-	    buffer = local_buf;
-	  else
-	    __libc_setspecific (key, buffer);
-	}
-    }
-
-  bytes = (unsigned char *) &in;
-  __snprintf (buffer, 18, "%d.%d.%d.%d",
+  unsigned char *bytes = (unsigned char *) &in;
+  __snprintf (buffer, sizeof (buffer), "%d.%d.%d.%d",
 	      bytes[0], bytes[1], bytes[2], bytes[3]);
 
   return buffer;
 }
-
-
-/* Initialize buffer.  */
-static void
-init (void)
-{
-  if (__libc_key_create (&key, free_key_mem))
-    /* Creating the key failed.  This means something really went
-       wrong.  In any case use a static buffer which is better than
-       nothing.  */
-    static_buf = local_buf;
-}
-
-
-/* Free the thread specific data, this is done if a thread terminates.  */
-static void
-free_key_mem (void *mem)
-{
-  free (mem);
-  __libc_setspecific (key, NULL);
-}
diff --git a/inet/netinet/icmp6.h b/inet/netinet/icmp6.h
index 4b17d9cd93..0cb1aa6a6c 100644
--- a/inet/netinet/icmp6.h
+++ b/inet/netinet/icmp6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997,2000,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -33,7 +33,7 @@
 
 struct icmp6_filter
   {
-    uint32_t data[8];
+    uint32_t icmp6_filt[8];
   };
 
 struct icmp6_hdr
@@ -67,14 +67,14 @@ struct icmp6_hdr
 
 #define ICMP6_ECHO_REQUEST          128
 #define ICMP6_ECHO_REPLY            129
-#define ICMP6_MEMBERSHIP_QUERY      130
-#define ICMP6_MEMBERSHIP_REPORT     131
-#define ICMP6_MEMBERSHIP_REDUCTION  132
+#define MLD_LISTENER_QUERY          130
+#define MLD_LISTENER_REPORT         131
+#define MLD_LISTENER_REDUCTION      132
 
 #define ICMP6_DST_UNREACH_NOROUTE     0 /* no route to destination */
 #define ICMP6_DST_UNREACH_ADMIN       1 /* communication with destination */
                                         /* administratively prohibited */
-#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor */
+#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
 #define ICMP6_DST_UNREACH_ADDR        3 /* address unreachable */
 #define ICMP6_DST_UNREACH_NOPORT      4 /* bad port */
 
@@ -86,16 +86,16 @@ struct icmp6_hdr
 #define ICMP6_PARAMPROB_OPTION        2 /* unrecognized IPv6 option */
 
 #define ICMP6_FILTER_WILLPASS(type, filterp) \
-	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
 
 #define ICMP6_FILTER_WILLBLOCK(type, filterp) \
-	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
 
 #define ICMP6_FILTER_SETPASS(type, filterp) \
-	((((filterp)->data[(type) >> 5]) &= ~(1 << ((type) & 31))))
+	((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
 
 #define ICMP6_FILTER_SETBLOCK(type, filterp) \
-	((((filterp)->data[(type) >> 5]) |=  (1 << ((type) & 31))))
+	((((filterp)->icmp6_filt[(type) >> 5]) |=  (1 << ((type) & 31))))
 
 #define ICMP6_FILTER_SETPASSALL(filterp) \
 	memset (filterp, 0, sizeof (struct icmp6_filter));
@@ -191,13 +191,13 @@ struct nd_opt_hdr             /* Neighbor discovery option header */
     /* followed by option specific data */
   };
 
-#define  ND_OPT_SOURCE_LINKADDR       1
-#define  ND_OPT_TARGET_LINKADDR       2
-#define  ND_OPT_PREFIX_INFORMATION    3
-#define  ND_OPT_REDIRECTED_HEADER     4
-#define  ND_OPT_MTU                   5
-#define  ND_OPT_RTR_ADV_INTERVAL      7
-#define  ND_OPT_HOME_AGENT_INFO       8
+#define ND_OPT_SOURCE_LINKADDR		1
+#define ND_OPT_TARGET_LINKADDR		2
+#define ND_OPT_PREFIX_INFORMATION	3
+#define ND_OPT_REDIRECTED_HEADER	4
+#define ND_OPT_MTU			5
+#define ND_OPT_RTR_ADV_INTERVAL		7
+#define ND_OPT_HOME_AGENT_INFO		8
 
 struct nd_opt_prefix_info     /* prefix information */
   {
@@ -211,9 +211,9 @@ struct nd_opt_prefix_info     /* prefix information */
     struct in6_addr  nd_opt_pi_prefix;
   };
 
-#define ND_OPT_PI_FLAG_ONLINK        0x80
-#define ND_OPT_PI_FLAG_AUTO          0x40
-#define ND_OPT_PI_FLAG_RADDR         0x20
+#define ND_OPT_PI_FLAG_ONLINK	0x80
+#define ND_OPT_PI_FLAG_AUTO	0x40
+#define ND_OPT_PI_FLAG_RADDR	0x20
 
 struct nd_opt_rd_hdr          /* redirected header */
   {
@@ -232,6 +232,98 @@ struct nd_opt_mtu             /* MTU option */
     uint32_t  nd_opt_mtu_mtu;
   };
 
+struct mld_hdr
+  {
+    struct icmp6_hdr    mld_icmp6_hdr;
+    struct in6_addr     mld_addr; /* multicast address */
+  };
+
+#define mld_type        mld_icmp6_hdr.icmp6_type
+#define mld_code        mld_icmp6_hdr.icmp6_code
+#define mld_cksum       mld_icmp6_hdr.icmp6_cksum
+#define mld_maxdelay    mld_icmp6_hdr.icmp6_data16[0]
+#define mld_reserved    mld_icmp6_hdr.icmp6_data16[1]
+
+#define ICMP6_ROUTER_RENUMBERING    138
+
+struct icmp6_router_renum    /* router renumbering header */
+  {
+    struct icmp6_hdr    rr_hdr;
+    uint8_t             rr_segnum;
+    uint8_t             rr_flags;
+    uint16_t            rr_maxdelay;
+    uint32_t            rr_reserved;
+  };
+
+#define rr_type		rr_hdr.icmp6_type
+#define rr_code         rr_hdr.icmp6_code
+#define rr_cksum        rr_hdr.icmp6_cksum
+#define rr_seqnum       rr_hdr.icmp6_data32[0]
+
+/* Router renumbering flags */
+#define ICMP6_RR_FLAGS_TEST             0x80
+#define ICMP6_RR_FLAGS_REQRESULT        0x40
+#define ICMP6_RR_FLAGS_FORCEAPPLY       0x20
+#define ICMP6_RR_FLAGS_SPECSITE         0x10
+#define ICMP6_RR_FLAGS_PREVDONE         0x08
+
+struct rr_pco_match    /* match prefix part */
+  {
+    uint8_t             rpm_code;
+    uint8_t             rpm_len;
+    uint8_t             rpm_ordinal;
+    uint8_t             rpm_matchlen;
+    uint8_t             rpm_minlen;
+    uint8_t             rpm_maxlen;
+    uint16_t            rpm_reserved;
+    struct in6_addr     rpm_prefix;
+  };
+
+/* PCO code values */
+#define RPM_PCO_ADD             1
+#define RPM_PCO_CHANGE          2
+#define RPM_PCO_SETGLOBAL       3
+
+struct rr_pco_use      /* use prefix part */
+  {
+    uint8_t             rpu_uselen;
+    uint8_t             rpu_keeplen;
+    uint8_t             rpu_ramask;
+    uint8_t             rpu_raflags;
+    uint32_t            rpu_vltime;
+    uint32_t            rpu_pltime;
+    uint32_t            rpu_flags;
+    struct in6_addr     rpu_prefix;
+  };
+
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK  0x20
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO    0x10
+
+#if BYTE_ORDER == BIG_ENDIAN
+# define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
+# define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
+#elif BYTE_ORDER == LITTLE_ENDIAN
+# define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
+# define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
+#endif
+
+struct rr_result       /* router renumbering result message */
+  {
+    uint16_t            rrr_flags;
+    uint8_t             rrr_ordinal;
+    uint8_t             rrr_matchedlen;
+    uint32_t            rrr_ifid;
+    struct in6_addr     rrr_prefix;
+  };
+
+#if BYTE_ORDER == BIG_ENDIAN
+# define ICMP6_RR_RESULT_FLAGS_OOB       0x0002
+# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
+#elif BYTE_ORDER == LITTLE_ENDIAN
+# define ICMP6_RR_RESULT_FLAGS_OOB       0x0200
+# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
+#endif
+
 /* Mobile IPv6 extension: Advertisement Interval.  */
 struct nd_opt_adv_interval
   {
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index 8898be3664..4fdc0fadf1 100644
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2001, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2001, 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -455,25 +455,66 @@ extern int bindresvport6 (int __sockfd, struct sockaddr_in6 *__sock_in)
 /* IPv6 packet information.  */
 struct in6_pktinfo
   {
-    struct in6_addr	ipi6_addr;    /* src/dst IPv6 address */
-    unsigned int	ipi6_ifindex; /* send/recv interface index */
+    struct in6_addr ipi6_addr;	/* src/dst IPv6 address */
+    unsigned int ipi6_ifindex;	/* send/recv interface index */
+  };
+
+/* IPv6 MTU information.  */
+struct ip6_mtuinfo
+  {
+    struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */
+    uint32_t ip6m_mtu;		   /* path MTU in host byte order */
   };
 
 
 #ifdef __USE_GNU
-/* Hop-by-Hop and Destination Options Processing.  */
-extern int inet6_option_space (int __nbytes) __THROW;
+/* Obsolete hop-by-hop and Destination Options Processing (RFC 2292).  */
+extern int inet6_option_space (int __nbytes)
+     __THROW __attribute_deprecated__;
 extern int inet6_option_init (void *__bp, struct cmsghdr **__cmsgp,
-			      int __type) __THROW;
+			      int __type) __THROW __attribute_deprecated__;
 extern int inet6_option_append (struct cmsghdr *__cmsg,
 				__const uint8_t *__typep, int __multx,
-				int __plusy) __THROW;
+				int __plusy) __THROW __attribute_deprecated__;
 extern uint8_t *inet6_option_alloc (struct cmsghdr *__cmsg, int __datalen,
-				    int __multx, int __plusy) __THROW;
+				    int __multx, int __plusy)
+     __THROW __attribute_deprecated__;
 extern int inet6_option_next (__const struct cmsghdr *__cmsg,
-			      uint8_t **__tptrp) __THROW;
+			      uint8_t **__tptrp)
+     __THROW __attribute_deprecated__;
 extern int inet6_option_find (__const struct cmsghdr *__cmsg,
-			      uint8_t **__tptrp, int __type) __THROW;
+			      uint8_t **__tptrp, int __type)
+     __THROW __attribute_deprecated__;
+
+
+/* Hop-by-Hop and Destination Options Processing (RFC 3542).  */
+extern int inet6_opt_init (void *__extbuf, socklen_t __extlen) __THROW;
+extern int inet6_opt_append (void *__extbuf, socklen_t __extlen, int __offset,
+			     uint8_t __type, socklen_t __len, uint8_t __align,
+			     void **__databufp) __THROW;
+extern int inet6_opt_finish (void *__extbuf, socklen_t __extlen, int __offset)
+     __THROW;
+extern int inet6_opt_set_val (void *__databuf, int __offset, void *__val,
+			      socklen_t __vallen) __THROW;
+extern int inet6_opt_next (void *__extbuf, socklen_t __extlen, int __offset,
+			   uint8_t *__typep, socklen_t *__lenp,
+			   void **__databufp) __THROW;
+extern int inet6_opt_find (void *__extbuf, socklen_t __extlen, int __offset,
+			   uint8_t __type, socklen_t *__lenp,
+			   void **__databufp) __THROW;
+extern int inet6_opt_get_val (void *__databuf, int __offset, void *__val,
+			      socklen_t __vallen) __THROW;
+
+
+/* Routing Header Option (RFC 3542).  */
+extern socklen_t inet6_rth_space (int __type, int __segments) __THROW;
+extern void *inet6_rth_init (void *__bp, socklen_t __bp_len, int __type,
+			     int __segments) __THROW;
+extern int inet6_rth_add (void *__bp, __const struct in6_addr *__addr) __THROW;
+extern int inet6_rth_reverse (__const void *__in, void *__out) __THROW;
+extern int inet6_rth_segments (__const void *__bp) __THROW;
+extern struct in6_addr *inet6_rth_getaddr (__const void *__bp, int __index)
+     __THROW;
 
 
 /* Multicast source filter support.  */
diff --git a/inet/netinet/ip6.h b/inet/netinet/ip6.h
index 7045836df6..bef2af2f5a 100644
--- a/inet/netinet/ip6.h
+++ b/inet/netinet/ip6.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1997, 2001, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1997, 2001, 2003, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -89,7 +89,8 @@ struct ip6_rthdr0
     uint8_t  ip6r0_segleft;	/* segments left */
     uint8_t  ip6r0_reserved;	/* reserved field */
     uint8_t  ip6r0_slmap[3];	/* strict/loose bit map */
-    struct in6_addr  ip6r0_addr[1];  /* up to 23 addresses */
+    /* followed by up to 127 struct in6_addr */
+    struct in6_addr ip6r0_addr[0];
   };
 
 /* Fragment header */
@@ -101,18 +102,88 @@ struct ip6_frag
     uint32_t  ip6f_ident;	/* identification */
   };
 
-#if     BYTE_ORDER == BIG_ENDIAN
-#define IP6F_OFF_MASK       0xfff8  /* mask out offset from _offlg */
-#define IP6F_RESERVED_MASK  0x0006  /* reserved bits in ip6f_offlg */
-#define IP6F_MORE_FRAG      0x0001  /* more-fragments flag */
+#if BYTE_ORDER == BIG_ENDIAN
+# define IP6F_OFF_MASK       0xfff8  /* mask out offset from _offlg */
+# define IP6F_RESERVED_MASK  0x0006  /* reserved bits in ip6f_offlg */
+# define IP6F_MORE_FRAG      0x0001  /* more-fragments flag */
 #else   /* BYTE_ORDER == LITTLE_ENDIAN */
-#define IP6F_OFF_MASK       0xf8ff  /* mask out offset from _offlg */
-#define IP6F_RESERVED_MASK  0x0600  /* reserved bits in ip6f_offlg */
-#define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
+# define IP6F_OFF_MASK       0xf8ff  /* mask out offset from _offlg */
+# define IP6F_RESERVED_MASK  0x0600  /* reserved bits in ip6f_offlg */
+# define IP6F_MORE_FRAG      0x0100  /* more-fragments flag */
 #endif
 
+/* IPv6 options */
+struct ip6_opt
+  {
+    uint8_t  ip6o_type;
+    uint8_t  ip6o_len;
+  };
+
+/* The high-order 3 bits of the option type define the behavior
+ * when processing an unknown option and whether or not the option
+ * content changes in flight.
+ */
+#define IP6OPT_TYPE(o)		((o) & 0xc0)
+#define IP6OPT_TYPE_SKIP	0x00
+#define IP6OPT_TYPE_DISCARD	0x40
+#define IP6OPT_TYPE_FORCEICMP	0x80
+#define IP6OPT_TYPE_ICMP	0xc0
+#define IP6OPT_TYPE_MUTABLE	0x20
+
 /* Special option types for padding.  */
 #define IP6OPT_PAD1	0
 #define IP6OPT_PADN	1
 
+#define IP6OPT_JUMBO		0xc2
+#define IP6OPT_NSAP_ADDR	0xc3
+#define IP6OPT_TUNNEL_LIMIT	0x04
+#define IP6OPT_ROUTER_ALERT	0x05
+
+/* Jumbo Payload Option */
+struct ip6_opt_jumbo
+  {
+    uint8_t  ip6oj_type;
+    uint8_t  ip6oj_len;
+    uint8_t  ip6oj_jumbo_len[4];
+  };
+#define IP6OPT_JUMBO_LEN	6
+
+/* NSAP Address Option */
+struct ip6_opt_nsap
+  {
+    uint8_t  ip6on_type;
+    uint8_t  ip6on_len;
+    uint8_t  ip6on_src_nsap_len;
+    uint8_t  ip6on_dst_nsap_len;
+      /* followed by source NSAP */
+      /* followed by destination NSAP */
+  };
+
+/* Tunnel Limit Option */
+struct ip6_opt_tunnel
+  {
+    uint8_t  ip6ot_type;
+    uint8_t  ip6ot_len;
+    uint8_t  ip6ot_encap_limit;
+  };
+
+/* Router Alert Option */
+struct ip6_opt_router
+  {
+    uint8_t  ip6or_type;
+    uint8_t  ip6or_len;
+    uint8_t  ip6or_value[2];
+  };
+
+/* Router alert values (in network byte order) */
+#if BYTE_ORDER == BIG_ENDIAN
+# define IP6_ALERT_MLD	0x0000
+# define IP6_ALERT_RSVP	0x0001
+# define IP6_ALERT_AN	0x0002
+#else /* BYTE_ORDER == LITTLE_ENDING */
+# define IP6_ALERT_MLD	0x0000
+# define IP6_ALERT_RSVP	0x0100
+# define IP6_ALERT_AN	0x0200
+#endif
+
 #endif /* netinet/ip6.h */
diff --git a/inet/rcmd.c b/inet/rcmd.c
index 0bcb731a16..341304acd5 100644
--- a/inet/rcmd.c
+++ b/inet/rcmd.c
@@ -137,21 +137,13 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 	(void)__snprintf(num, sizeof(num), "%d", ntohs(rport));
 	error = getaddrinfo(*ahost, num, &hints, &res);
 	if (error) {
-		if (error == EAI_NONAME && *ahost != NULL) {
-			if (_IO_fwide (stderr, 0) > 0)
-				__fwprintf(stderr, L"%s: Unknown host\n",
-					   *ahost);
-			else
-				fprintf(stderr, "%s: Unknown host\n", *ahost);
-		} else {
-			if (_IO_fwide (stderr, 0) > 0)
-				__fwprintf(stderr, L"rcmd: getaddrinfo: %s\n",
-					   gai_strerror(error));
-			else
-				fprintf(stderr, "rcmd: getaddrinfo: %s\n",
-					gai_strerror(error));
-		}
-                return (-1);
+		if (error == EAI_NONAME && *ahost != NULL)
+			__fxprintf(NULL, "%s: Unknown host\n", *ahost);
+		else
+			__fxprintf(NULL, "rcmd: getaddrinfo: %s\n",
+				   gai_strerror(error));
+
+                return -1;
 	}
 
 	pfd[0].events = POLLIN;
@@ -161,13 +153,9 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 		free (ahostbuf);
 		ahostbuf = strdup (res->ai_canonname);
 		if (ahostbuf == NULL) {
-			if (_IO_fwide (stderr, 0) > 0)
-				__fwprintf(stderr, L"%s",
-					   _("rcmd: Cannot allocate memory\n"));
-			else
-				fputs(_("rcmd: Cannot allocate memory\n"),
-				      stderr);
-			return (-1);
+			__fxprintf(NULL, "%s",
+				   _("rcmd: Cannot allocate memory\n"));
+			return -1;
 		}
 		*ahost = ahostbuf;
 	} else
@@ -180,20 +168,12 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 
 		s = rresvport_af(&lport, ai->ai_family);
 		if (s < 0) {
-			if (errno == EAGAIN) {
-				if (_IO_fwide (stderr, 0) > 0)
-					__fwprintf(stderr, L"%s",
-						   _("rcmd: socket: All ports in use\n"));
-				else
-					fputs(_("rcmd: socket: All ports in use\n"),
-					      stderr);
-			} else {
-				if (_IO_fwide (stderr, 0) > 0)
-					__fwprintf(stderr,
-						   L"rcmd: socket: %m\n");
-				else
-					fprintf(stderr, "rcmd: socket: %m\n");
-			}
+			if (errno == EAGAIN)
+				__fxprintf(NULL, "%s", _("\
+rcmd: socket: All ports in use\n"));
+			else
+				__fxprintf(NULL, "rcmd: socket: %m\n");
+
 			__sigsetmask(oldmask);
 			freeaddrinfo(res);
 			return -1;
@@ -220,10 +200,7 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 			if (__asprintf (&buf, _("connect to address %s: "),
 					paddr) >= 0)
 			  {
-			    if (_IO_fwide (stderr, 0) > 0)
-			      __fwprintf(stderr, L"%s", buf);
-			    else
-			      fputs (buf, stderr);
+			    __fxprintf(NULL, "%s", buf);
 			    free (buf);
 			  }
 			__set_errno (oerrno);
@@ -235,10 +212,7 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 				    NI_NUMERICHOST);
 			if (__asprintf (&buf, _("Trying %s...\n"), paddr) >= 0)
 			  {
-			    if (_IO_fwide (stderr, 0) > 0)
-			      __fwprintf (stderr, L"%s", buf);
-			    else
-			      fputs (buf, stderr);
+			    __fxprintf (NULL, "%s", buf);
 			    free (buf);
 			  }
 			continue;
@@ -251,14 +225,8 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 			continue;
 		}
 		freeaddrinfo(res);
-		if (_IO_fwide (stderr, 0) > 0)
-			(void)__fwprintf(stderr, L"%s: %s\n", *ahost,
-					 __strerror_r(errno,
-						      errbuf, sizeof (errbuf)));
-		else
-			(void)fprintf(stderr, "%s: %s\n", *ahost,
-				      __strerror_r(errno,
-						   errbuf, sizeof (errbuf)));
+		(void)__fxprintf(NULL, "%s: %s\n", *ahost,
+				 __strerror_r(errno, errbuf, sizeof (errbuf)));
 		__sigsetmask(oldmask);
 		return -1;
 	}
@@ -281,10 +249,7 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
 			if (__asprintf (&buf, _("\
 rcmd: write (setting up stderr): %m\n")) >= 0)
 			  {
-			    if (_IO_fwide (stderr, 0) > 0)
-			      __fwprintf(stderr, L"%s", buf);
-			    else
-			      fputs (buf, stderr);
+			    __fxprintf(NULL, "%s", buf);
 			    free (buf);
 			  }
 			(void)__close(s2);
@@ -303,10 +268,7 @@ rcmd: poll (setting up stderr): %m\n")) >= 0)
 				&& __asprintf(&buf, _("\
 poll: protocol failure in circuit setup\n")) >= 0))
 			  {
-			    if (_IO_fwide (stderr, 0) > 0)
-			      __fwprintf (stderr, L"%s", buf);
-			    else
-			      fputs (buf, stderr);
+			    __fxprintf (NULL, "%s", buf);
 			    free  (buf);
 			  }
 			(void)__close(s2);
@@ -327,12 +289,7 @@ poll: protocol failure in circuit setup\n")) >= 0))
 		}
 		(void)__close(s2);
 		if (s3 < 0) {
-			if (_IO_fwide (stderr, 0) > 0)
-				(void)__fwprintf(stderr,
-						 L"rcmd: accept: %m\n");
-			else
-				(void)fprintf(stderr,
-					      "rcmd: accept: %m\n");
+			(void)__fxprintf(NULL, "rcmd: accept: %m\n");
 			lport = 0;
 			goto bad;
 		}
@@ -344,10 +301,7 @@ poll: protocol failure in circuit setup\n")) >= 0))
 			if (__asprintf(&buf, _("\
 socket: protocol failure in circuit setup\n")) >= 0)
 			  {
-			    if (_IO_fwide (stderr, 0) > 0)
-			      __fwprintf (stderr, L"%s", buf);
-			    else
-			      fputs (buf, stderr);
+			    __fxprintf (NULL, "%s", buf);
 			    free (buf);
 			  }
 			goto bad2;
@@ -373,10 +327,7 @@ socket: protocol failure in circuit setup\n")) >= 0)
 		    || (n != 0
 			&& __asprintf(&buf, "rcmd: %s: %m\n", *ahost) >= 0))
 		  {
-		    if (_IO_fwide (stderr, 0) > 0)
-		      __fwprintf (stderr, L"%s", buf);
-		    else
-		      fputs (buf, stderr);
+		    __fxprintf (NULL, "%s", buf);
 		    free (buf);
 		  }
 		goto bad2;
@@ -526,7 +477,6 @@ iruserfopen (const char *file, uid_t okuser)
   /* If not a regular file, if owned by someone other than user or
      root, if writeable by anyone but the owner, or if hardlinked
      anywhere, quit.  */
-  cp = NULL;
   if (__lxstat64 (_STAT_VER, file, &st))
     cp = _("lstat failed");
   else if (!S_ISREG (st.st_mode))
diff --git a/inet/rexec.c b/inet/rexec.c
index 3c14836aa2..07ddeeafea 100644
--- a/inet/rexec.c
+++ b/inet/rexec.c
@@ -87,8 +87,11 @@ rexec_af(ahost, rport, name, pass, cmd, fd2p, af)
 			return (-1);
 		}
 		*ahost = ahostbuf;
-	} else
+	} else {
 		*ahost = NULL;
+		__set_errno (ENOENT);
+		return -1;
+	}
 	ruserpass(res0->ai_canonname, &name, &pass);
 retry:
 	s = __socket(res0->ai_family, res0->ai_socktype, 0);
@@ -111,7 +114,8 @@ retry:
 		port = 0;
 	} else {
 		char num[32];
-		int s2, sa2len;
+		int s2;
+		socklen_t sa2len;
 
 		s2 = __socket(res0->ai_family, res0->ai_socktype, 0);
 		if (s2 < 0) {
@@ -136,7 +140,7 @@ retry:
 			port = atoi(servbuff);
 		(void) sprintf(num, "%u", port);
 		(void) __write(s, num, strlen(num)+1);
-		{ int len = sizeof (from);
+		{ socklen_t len = sizeof (from);
 		  s3 = TEMP_FAILURE_RETRY (accept(s2, (struct sockaddr *)&from,
 						  &len));
 		  __close(s2);
diff --git a/inet/setipv4sourcefilter.c b/inet/setipv4sourcefilter.c
new file mode 100644
index 0000000000..db2b8433bb
--- /dev/null
+++ b/inet/setipv4sourcefilter.c
@@ -0,0 +1,33 @@
+/* Set source filter.  Stub version.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <netinet/in.h>
+
+
+int
+setipv4sourcefilter (int s, struct in_addr interface, struct in_addr group,
+		     uint32_t fmode, uint32_t numsrc,
+		     const struct in_addr *slist)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (setipv4sourcefilter)
diff --git a/inet/setsourcefilter.c b/inet/setsourcefilter.c
new file mode 100644
index 0000000000..870f5e2c38
--- /dev/null
+++ b/inet/setsourcefilter.c
@@ -0,0 +1,33 @@
+/* Set source filter.  Stub version.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <netinet/in.h>
+
+
+int
+setsourcefilter (int s, uint32_t interface, const struct sockaddr *group,
+		 socklen_t grouplen, uint32_t fmode, uint32_t numsrc,
+		 const struct sockaddr_storage *slist)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (setsourcefilter)
diff --git a/inet/test-ifaddrs.c b/inet/test-ifaddrs.c
index 7efca25337..0d30d05b64 100644
--- a/inet/test-ifaddrs.c
+++ b/inet/test-ifaddrs.c
@@ -1,5 +1,5 @@
 /* Test listing of network interface addresses.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -62,8 +62,8 @@ addr_string (struct sockaddr *sa, char *buf, size_t size)
 }
 
 
-int
-main (void)
+static int
+do_test (void)
 {
   struct ifaddrs *ifaces, *ifa;
 
@@ -95,3 +95,6 @@ Name           Flags   Address         Netmask         Broadcast/Destination");
 
   return failures ? 1 : 0;
 }
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/inet/test-inet6_opt.c b/inet/test-inet6_opt.c
new file mode 100644
index 0000000000..4db9b59389
--- /dev/null
+++ b/inet/test-inet6_opt.c
@@ -0,0 +1,207 @@
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define OPT_X	42
+#define OPT_Y	43
+#define OPT_Z	44
+
+static void *
+encode_inet6_opt (socklen_t *elp)
+{
+  void *eb = NULL;
+  socklen_t el;
+  int cl;
+  void *db;
+  int offset;
+  uint8_t val1;
+  uint16_t val2;
+  uint32_t val4;
+  uint64_t val8;
+
+  *elp = 0;
+#define CHECK() \
+  if (cl == -1)						\
+    {							\
+      printf ("cl == -1 on line %d\n", __LINE__);	\
+      free (eb);					\
+      return NULL;					\
+    }
+
+  /* Estimate the length */
+  cl = inet6_opt_init (NULL, 0);
+  CHECK ();
+  cl = inet6_opt_append (NULL, 0, cl, OPT_X, 12, 8, NULL);
+  CHECK ();
+  cl = inet6_opt_append (NULL, 0, cl, OPT_Y, 7, 4, NULL);
+  CHECK ();
+  cl = inet6_opt_append (NULL, 0, cl, OPT_Z, 7, 1, NULL);
+  CHECK ();
+  cl = inet6_opt_finish (NULL, 0, cl);
+  CHECK ();
+  el = cl;
+
+  eb = malloc (el + 8);
+  if (eb == NULL)
+    {
+      puts ("malloc failed");
+      return NULL;
+    }
+  /* Canary.  */
+  memcpy (eb + el, "deadbeef", 8);
+
+  cl = inet6_opt_init (eb, el);
+  CHECK ();
+
+  cl = inet6_opt_append (eb, el, cl, OPT_X, 12, 8, &db);
+  CHECK ();
+  val4 = 0x12345678;
+  offset = inet6_opt_set_val (db, 0, &val4, sizeof  (val4));
+  val8 = 0x0102030405060708LL;
+  inet6_opt_set_val (db, offset, &val8, sizeof  (val8));
+
+  cl = inet6_opt_append (eb, el, cl, OPT_Y, 7, 4, &db);
+  CHECK ();
+  val1 = 0x01;
+  offset = inet6_opt_set_val (db, 0, &val1, sizeof  (val1));
+  val2 = 0x1331;
+  offset = inet6_opt_set_val (db, offset, &val2, sizeof  (val2));
+  val4 = 0x01020304;
+  inet6_opt_set_val (db, offset, &val4, sizeof  (val4));
+
+  cl = inet6_opt_append (eb, el, cl, OPT_Z, 7, 1, &db);
+  CHECK ();
+  inet6_opt_set_val (db, 0, (void *) "abcdefg", 7);
+
+  cl = inet6_opt_finish (eb, el, cl);
+  CHECK ();
+
+  if (memcmp (eb + el, "deadbeef", 8) != 0)
+    {
+      puts ("Canary corrupted");
+      free (eb);
+      return NULL;
+    }
+  *elp = el;
+  return eb;
+}
+
+int
+decode_inet6_opt (void *eb, socklen_t el)
+{
+  int ret = 0;
+  int seq = 0;
+  int cl = 0;
+  int offset;
+  uint8_t type;
+  socklen_t len;
+  uint8_t val1;
+  uint16_t val2;
+  uint32_t val4;
+  uint64_t val8;
+  void *db;
+  char buf[8];
+
+  while ((cl = inet6_opt_next (eb, el, cl, &type, &len, &db)) != -1)
+    switch (type)
+      {
+      case OPT_X:
+	if (seq++ != 0)
+	  {
+	    puts ("OPT_X is not first");
+	    ret = 1;
+	  }
+	if (len != 12)
+	  {
+	    printf ("OPT_X's length %d != 12\n", len);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, 0, &val4, sizeof (val4));
+	if (val4 != 0x12345678)
+	  {
+	    printf ("OPT_X's val4 %x != 0x12345678\n", val4);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, offset, &val8, sizeof (val8));
+	if (offset != len || val8 != 0x0102030405060708LL)
+	  {
+	    printf ("OPT_X's val8 %llx != 0x0102030405060708\n",
+		    (long long) val8);
+	    ret = 1;
+	  }
+	break;
+      case OPT_Y:
+	if (seq++ != 1)
+	  {
+	    puts ("OPT_Y is not second");
+	    ret = 1;
+	  }
+	if (len != 7)
+	  {
+	    printf ("OPT_Y's length %d != 7\n", len);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, 0, &val1, sizeof (val1));
+	if (val1 != 0x01)
+	  {
+	    printf ("OPT_Y's val1 %x != 0x01\n", val1);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, offset, &val2, sizeof (val2));
+	if (val2 != 0x1331)
+	  {
+	    printf ("OPT_Y's val2 %x != 0x1331\n", val2);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, offset, &val4, sizeof (val4));
+	if (offset != len || val4 != 0x01020304)
+	  {
+	    printf ("OPT_Y's val4 %x != 0x01020304\n", val4);
+	    ret = 1;
+	  }
+	break;
+      case OPT_Z:
+	if (seq++ != 2)
+	  {
+	    puts ("OPT_Z is not third");
+	    ret = 1;
+	  }
+	if (len != 7)
+	  {
+	    printf ("OPT_Z's length %d != 7\n", len);
+	    ret = 1;
+	  }
+	offset = inet6_opt_get_val (db, 0, buf, 7);
+	if (offset != len || memcmp (buf, "abcdefg", 7) != 0)
+	  {
+	    buf[7] = '\0';
+	    printf ("OPT_Z's buf \"%s\" != \"abcdefg\"\n", buf);
+	    ret = 1;
+	  }
+	break;
+      default:
+	printf ("Unknown option %d\n", type);
+	ret = 1;
+	break;
+      }
+  if (seq != 3)
+    {
+      puts ("Didn't see all of OPT_X, OPT_Y and OPT_Z");
+      ret = 1;
+    }
+  return ret;
+}
+
+int
+main (void)
+{
+  void *eb;
+  socklen_t el;
+  eb = encode_inet6_opt (&el);
+  if (eb == NULL)
+    return 1;
+  if (decode_inet6_opt (eb, el))
+    return 1;
+  return 0;
+}
diff --git a/inet/test_ifindex.c b/inet/test_ifindex.c
index 9e081233be..2920494521 100644
--- a/inet/test_ifindex.c
+++ b/inet/test_ifindex.c
@@ -1,5 +1,5 @@
 /* Test interface name <-> index conversions.
-   Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2000, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Philip Blundell <Philip.Blundell@pobox.com>.
 
@@ -24,8 +24,8 @@
 #include <string.h>
 #include <net/if.h>
 
-int
-main (void)
+static int
+do_test (void)
 {
   int failures = 0;
   struct if_nameindex *idx = if_nameindex (), *p;
@@ -63,3 +63,6 @@ main (void)
   if_freenameindex (idx);
   return failures ? 1 : 0;
 }
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"