2.5-18.1

9 files changed, 94 insertions, 67 deletions

diff --git a/nss/databases.def b/nss/databases.def
index 27c15fc04f..c35d7f18c2 100644
--- a/nss/databases.def
+++ b/nss/databases.def
@@ -1,5 +1,5 @@
 /* List of all databases defined for the NSS in GNU C Library.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -18,7 +18,8 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-/* This list must be kept sorted!!!  */
+/* This list must be kept sorted!!!  If any long name is added the
+   field size for it must be increases.  */
 
 DEFINE_DATABASE (aliases)
 DEFINE_DATABASE (ethers)
diff --git a/nss/function.def b/nss/function.def
index 59a06a2d31..505fb9307f 100644
--- a/nss/function.def
+++ b/nss/function.def
@@ -1,5 +1,5 @@
 /* List of functions defined for static NSS in GNU C Library.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 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
@@ -37,6 +37,7 @@ DEFINE_GET (files, grnam)
 DEFINE_ENT (files, host)
 DEFINE_GETBY (files, host, addr)
 DEFINE_GETBY (files, host, name)
+DEFINE_GETBY (files, host, name2)
 DEFINE_GET (files, hostton)
 DEFINE_GET (files, ntohost)
 DEFINE_GETBY (dns, host, addr)
diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c
index 34c305f3b2..080163aac9 100644
--- a/nss/getXXbyYY_r.c
+++ b/nss/getXXbyYY_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2002, 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -18,6 +18,7 @@
    02111-1307 USA.  */
 
 #include <assert.h>
+#include <atomic.h>
 #include <errno.h>
 #include <stdbool.h>
 #include "nsswitch.h"
@@ -173,9 +174,6 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
 	startp = (service_user *) -1l;
       else
 	{
-	  startp = nip;
-	  start_fct = fct.l;
-
 #ifdef NEED__RES
 	  /* The resolver code will really be used so we have to
 	     initialize it.  */
@@ -190,6 +188,11 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
 	  if (!_res_hconf.initialized)
 	    _res_hconf_init ();
 #endif /* need _res_hconf */
+
+	  start_fct = fct.l;
+	  /* Make sure start_fct is written before startp.  */
+	  atomic_write_barrier ();
+	  startp = nip;
 	}
     }
   else
diff --git a/nss/getent.c b/nss/getent.c
index c0a273241f..14ec3c4755 100644
--- a/nss/getent.c
+++ b/nss/getent.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1998-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
 
@@ -21,22 +21,23 @@
 
 #include <aliases.h>
 #include <argp.h>
-#include <grp.h>
-#include <pwd.h>
-#include <shadow.h>
 #include <ctype.h>
 #include <error.h>
+#include <grp.h>
 #include <libintl.h>
 #include <locale.h>
+#include <mcheck.h>
 #include <netdb.h>
+#include <pwd.h>
+#include <shadow.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/ether.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>
+#include <netinet/ether.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
 
 /* Get libc version number.  */
 #include <version.h>
@@ -83,7 +84,7 @@ print_version (FILE *stream, struct argp_state *state)
 Copyright (C) %s Free Software Foundation, Inc.\n\
 This is free software; see the source for copying conditions.  There is NO\n\
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
-"), "2004");
+"), "2006");
   fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk");
 }
 
@@ -279,9 +280,9 @@ hosts_keys (int number, char *key[])
       char addr[IN6ADDRSZ];
 
       if (inet_pton (AF_INET6, key[i], &addr) > 0)
-	host = gethostbyaddr (addr, sizeof (addr), AF_INET6);
+	host = gethostbyaddr (addr, IN6ADDRSZ, AF_INET6);
       else if (inet_pton (AF_INET, key[i], &addr) > 0)
-	host = gethostbyaddr (addr, sizeof (addr), AF_INET);
+	host = gethostbyaddr (addr, INADDRSZ, AF_INET);
       else if ((host = gethostbyname2 (key[i], AF_INET6)) == NULL)
 	host = gethostbyname2 (key[i], AF_INET);
 
@@ -410,6 +411,8 @@ netgroup_keys (int number, char *key[])
 	}
     }
 
+  endnetgrent ();
+
   return result;
 }
 
@@ -757,12 +760,27 @@ D(shadow)
 static error_t
 parse_option (int key, char *arg, struct argp_state *state)
 {
-  int i;
+  char *endp;
   switch (key)
     {
     case 's':
-      for (i = 0; databases[i].name; ++i)
-	__nss_configure_lookup (databases[i].name, arg);
+      endp = strchr (arg, ':');
+      if (endp == NULL)
+	/* No specific database, change them all.  */
+	for (int i = 0; databases[i].name != NULL; ++i)
+	  __nss_configure_lookup (databases[i].name, arg);
+      else
+	{
+	  int i;
+	  for (i = 0; databases[i].name != NULL; ++i)
+	    if (strncmp (databases[i].name, arg, endp - arg) == 0)
+	      {
+		__nss_configure_lookup (databases[i].name, endp + 1);
+		break;
+	      }
+	  if (databases[i].name == NULL)
+	    error (EXIT_FAILURE, 0, gettext ("Unknown database name"));
+	}
       break;
 
     default:
@@ -776,31 +794,20 @@ parse_option (int key, char *arg, struct argp_state *state)
 static char *
 more_help (int key, const char *text, void *input)
 {
-  int len;
-  char *long_doc, *doc, *p;
-
   switch (key)
     {
+      size_t len;
+      char *doc;
+      FILE *fp;
+
     case ARGP_KEY_HELP_EXTRA:
       /* We print some extra information.  */
-#if 0
-      return xstrdup (gettext ("\
-For bug reporting instructions, please see:\n\
-<http://www.gnu.org/software/libc/bugs.html>.\n"));
-#endif
-      long_doc = _("Supported databases:");
-      len = strlen (long_doc) + 2;
-
-      for (int i = 0; databases[i].name; ++i)
-	len += strlen (databases[i].name) + 1;
-
-      doc = (char *) malloc (len);
-      if (doc != NULL)
+      fp = open_memstream (&doc, &len);
+      if (fp != NULL)
 	{
-	  p = stpcpy (doc, long_doc);
-	  *p++ = '\n';
+	  fputs_unlocked (_("Supported databases:\n"), fp);
 
-	  for (int i = 0, col = 0; databases[i].name; ++i)
+	  for (int i = 0, col = 0; databases[i].name != NULL; ++i)
 	    {
 	      len = strlen (databases[i].name);
 	      if (i != 0)
@@ -808,17 +815,18 @@ For bug reporting instructions, please see:\n\
 		  if (col + len > 72)
 		    {
 		      col = 0;
-		      *p++ = '\n';
+		      fputc_unlocked ('\n', fp);
 		    }
 		  else
-		    *p++ = ' ';
+		    fputc_unlocked (' ', fp);
 		}
 
-	      p = mempcpy (p, databases[i].name, len);
+	      fputs_unlocked (databases[i].name, fp);
 	      col += len + 1;
 	    }
 
-	  return doc;
+	  if (fclose (fp) == 0)
+	    return doc;
 	}
       break;
 
@@ -833,7 +841,8 @@ For bug reporting instructions, please see:\n\
 int
 main (int argc, char *argv[])
 {
-  int remaining, i;
+  /* Debugging support.  */
+  mtrace ();
 
   /* Set locale via LC_ALL.  */
   setlocale (LC_ALL, "");
@@ -841,6 +850,7 @@ main (int argc, char *argv[])
   textdomain (PACKAGE);
 
   /* Parse and process arguments.  */
+  int remaining;
   argp_parse (&argp, argc, argv, 0, &remaining, NULL);
 
   if ((argc - remaining) < 1)
@@ -850,7 +860,7 @@ main (int argc, char *argv[])
       return 1;
     }
 
-  for (i = 0; databases[i].name; ++i)
+  for (int i = 0; databases[i].name; ++i)
     if (argv[remaining][0] == databases[i].name[0]
 	&& !strcmp (argv[remaining], databases[i].name))
       return databases[i].func (argc - remaining - 1, &argv[remaining + 1]);
diff --git a/nss/nss_files/files-alias.c b/nss/nss_files/files-alias.c
index 8ee54f121f..c4717e1242 100644
--- a/nss/nss_files/files-alias.c
+++ b/nss/nss_files/files-alias.c
@@ -1,5 +1,5 @@
 /* Mail alias file parser in nss_files module.
-   Copyright (C) 1996,97,98,99,2002 Free Software Foundation, Inc.
+   Copyright (C) 1996,97,98,99,2002,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -298,8 +298,8 @@ get_next_alias (const char *match, struct aliasent *result,
 			  first_unused[room_left - 1] = '\0';
 			  strncpy (first_unused, old_line, room_left);
 
-			  if (old_line != NULL)
-			    free (old_line);
+			  free (old_line);
+			  line = first_unused;
 
 			  if (first_unused[room_left - 1] != '\0')
 			    goto no_more_room;
diff --git a/nss/nss_files/files-hosts.c b/nss/nss_files/files-hosts.c
index 8d1a8ee588..b1ba3aa76d 100644
--- a/nss/nss_files/files-hosts.c
+++ b/nss/nss_files/files-hosts.c
@@ -1,5 +1,6 @@
 /* Hosts file parser in nss_files module.
-   Copyright (C) 1996-2001, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1996-2001, 2003, 2004, 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
@@ -86,6 +87,10 @@ _nss_files_get##name##_r (proto,					      \
 {									      \
   enum nss_status status;						      \
 									      \
+  uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct hostent_data);    \
+  buffer += pad;							      \
+  buflen = buflen > pad ? buflen - pad : 0;				      \
+									      \
   __libc_lock_lock (lock);						      \
 									      \
   /* Reset file pointer to beginning or open file.  */			      \
@@ -106,7 +111,8 @@ _nss_files_get##name##_r (proto,					      \
 	{								      \
 	  /* We have to get all host entries from the file.  */		      \
 	  const size_t tmp_buflen = MIN (buflen, 4096);			      \
-	  char tmp_buffer[tmp_buflen];					      \
+	  char tmp_buffer[tmp_buflen]					      \
+	    __attribute__ ((__aligned__ (__alignof__ (struct hostent_data))));\
 	  struct hostent tmp_result_buf;				      \
 	  int naddrs = 1;						      \
 	  int naliases = 0;						      \
diff --git a/nss/nss_files/files-key.c b/nss/nss_files/files-key.c
index f00fc1cfe9..5c7ad0999a 100644
--- a/nss/nss_files/files-key.c
+++ b/nss/nss_files/files-key.c
@@ -1,5 +1,5 @@
 /* Public key file parser in nss_files module.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 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
@@ -78,6 +78,7 @@ search (const char *netname, char *result, int *errnop, int secret)
 	p = __strtok_r (NULL, ":\n", &save_ptr);
       if (p == NULL)  /* malformed line? */
 	continue;
+      fclose (stream);
       strcpy (result, p);
       return NSS_STATUS_SUCCESS;
     }
diff --git a/nss/nss_files/files-netgrp.c b/nss/nss_files/files-netgrp.c
index 8bdc68bd14..4b5d774fdd 100644
--- a/nss/nss_files/files-netgrp.c
+++ b/nss/nss_files/files-netgrp.c
@@ -1,5 +1,5 @@
 /* Netgroup file parser in nss_files modules.
-   Copyright (C) 1996, 1997, 2000, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2000, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <stdio_ext.h>
 #include <stdlib.h>
 #include <string.h>
 #include "nsswitch.h"
@@ -29,6 +30,7 @@
 
 #define DATAFILE	"/etc/netgroup"
 
+libnss_files_hidden_proto (_nss_files_endnetgrent)
 
 #define EXPAND(needed)							      \
   do									      \
@@ -75,7 +77,9 @@ _nss_files_setnetgrent (const char *group, struct __netgrent *result)
       status = NSS_STATUS_NOTFOUND;
       result->cursor = result->data;
 
-      while (!feof (fp))
+      __fsetlocking (fp, FSETLOCKING_BYCALLER);
+
+      while (!feof_unlocked (fp))
 	{
 	  ssize_t curlen = getline (&line, &line_len, fp);
 	  int found;
@@ -140,26 +144,26 @@ _nss_files_setnetgrent (const char *group, struct __netgrent *result)
       /* We don't need the file and the line buffer anymore.  */
       free (line);
       fclose (fp);
+
+      if (status != NSS_STATUS_SUCCESS)
+	_nss_files_endnetgrent (result);
     }
 
   return status;
 }
 
 
-int
+enum nss_status
 _nss_files_endnetgrent (struct __netgrent *result)
 {
   /* Free allocated memory for data if some is present.  */
-  if (result->data != NULL)
-    {
-      free (result->data);
-      result->data = NULL;
-      result->data_size = 0;
-      result->cursor = NULL;
-    }
-
+  free (result->data);
+  result->data = NULL;
+  result->data_size = 0;
+  result->cursor = NULL;
   return NSS_STATUS_SUCCESS;
 }
+libnss_files_hidden_def (_nss_files_endnetgrent)
 
 static char *
 strip_whitespace (char *str)
diff --git a/nss/nsswitch.c b/nss/nsswitch.c
index 895b17825a..21174dfbab 100644
--- a/nss/nsswitch.c
+++ b/nss/nsswitch.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004
+/* Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -59,9 +59,9 @@ static service_library *nss_new_service (name_database *database,
 #undef DEFINE_DATABASE
 
 /* Structure to map database name to variable.  */
-static struct
+static const struct
 {
-  const char *name;
+  const char name[10];
   service_user **dbp;
 } databases[] =
 {
@@ -70,6 +70,7 @@ static struct
 #include "databases.def"
 #undef DEFINE_DATABASE
 };
+#define ndatabases (sizeof (databases) / sizeof (databases[0]))
 
 
 __libc_lock_define_initialized (static, lock)
@@ -211,7 +212,7 @@ __nss_configure_lookup (const char *dbname, const char *service_line)
   service_user *new_db;
   size_t cnt;
 
-  for (cnt = 0; cnt < sizeof databases; ++cnt)
+  for (cnt = 0; cnt < ndatabases; ++cnt)
     {
       int cmp = strcmp (dbname, databases[cnt].name);
       if (cmp == 0)
@@ -223,7 +224,7 @@ __nss_configure_lookup (const char *dbname, const char *service_line)
 	}
     }
 
-  if (cnt == sizeof databases)
+  if (cnt == ndatabases)
     {
       __set_errno (EINVAL);
       return -1;