backends: add a function reading systemwide IPv6 Privacy Extensions configuration

It is distro-specific, but mostly it's net.ipv6.conf.default.use_tempaddr
in /etc/sysctl.conf

src/backends/NetworkManagerArch.c

@@ -28,7 +28,7 @@
  *
  * (C) Copyright 2004 Tom Parker
  * (C) Copyright 2004 Matthew Garrett
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -53,3 +53,8 @@ void nm_backend_update_dns (void)
 		nm_spawn_process ("/etc/rc.d/nscd restart");
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerDebian.c

@@ -21,7 +21,7 @@
  *
  * (C) Copyright 2004 Tom Parker
  * (C) Copyright 2004 Matthew Garrett
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -50,3 +50,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerExherbo.c

@@ -18,7 +18,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2004 Dan Willemsen
  * (C) Copyright 2004 Robert Paskowitz
  */
@@ -47,3 +47,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerFrugalware.c

@@ -36,3 +36,8 @@ void nm_backend_update_dns (void)
 	/* I'm not running nscd */
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerGeneric.c

@@ -15,7 +15,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 - 2010 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2006 Timothee Lecomte <timothee.lecomte@ens.fr>
  */
 
@@ -113,6 +113,51 @@ void nm_generic_update_dns (void)
 {
 }
 
+/*
+ * nm_generic_ipv6_use_tempaddr
+ *
+ * Get net.ipv6.conf.default.use_tempaddr value from /etc/sysctl.conf or
+ * /lib/sysctl.d/sysctl.conf
+ *
+ */
+int nm_generic_ipv6_use_tempaddr (void)
+{
+	char *contents = NULL;
+	gsize len = 0;
+	const char *group_name = "[forged_group]\n";
+	char *sysctl_data = NULL;
+	GKeyFile *keyfile;
+	GError *error = NULL;
+	int tmp, ret = -1;
+
+	/* Read file contents to a string. */
+	if (!g_file_get_contents ("/etc/sysctl.conf", &contents, &len, NULL))
+		if (!g_file_get_contents ("/lib/sysctl.d/sysctl.conf", &contents, &len, NULL))
+			return -1;
+
+	/* Prepend a group so that we can use GKeyFile parser. */
+	sysctl_data = g_strdup_printf ("%s%s", group_name, contents);
+
+	keyfile = g_key_file_new ();
+	if (keyfile == NULL)
+		goto done;
+
+	if (!g_key_file_load_from_data (keyfile, sysctl_data, len + strlen (group_name), G_KEY_FILE_NONE, NULL))
+		goto done;
+
+	tmp = g_key_file_get_integer (keyfile, "forged_group", "net.ipv6.conf.default.use_tempaddr", &error);
+	if (error == NULL)
+		ret = tmp;
+
+done:
+	g_free (contents);
+	g_free (sysctl_data);
+	g_clear_error (&error);
+	g_key_file_free (keyfile);
+
+	return ret;
+}
+
 #ifdef TARGET_GENERIC
 void nm_backend_enable_loopback (void)
 {
@@ -123,5 +168,10 @@ void nm_backend_update_dns (void)
 {
 	nm_generic_update_dns ();
 }
+
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
 #endif
 

src/backends/NetworkManagerGeneric.h

@@ -18,7 +18,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 - 2011 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  */
 
 #ifndef NM_GENERIC_H
@@ -28,5 +28,6 @@
 
 void nm_generic_enable_loopback (void);
 void nm_generic_update_dns      (void);
+int nm_generic_ipv6_use_tempaddr (void);
 
 #endif  /* NM_GENERIC_H */

src/backends/NetworkManagerGentoo.c

@@ -18,7 +18,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2004 Dan Willemsen
  * (C) Copyright 2004 Robert Paskowitz
  */
@@ -75,3 +75,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerLinexa.c

@@ -21,7 +21,7 @@
  *
  * (C) Copyright 2004 Tom Parker
  * (C) Copyright 2004 Matthew Garrett
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -46,4 +46,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
 

src/backends/NetworkManagerMandriva.c

@@ -17,7 +17,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2008 Per Øyvind Karlsen
  */
 
@@ -42,3 +42,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerPaldo.c

@@ -18,7 +18,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2006 Jürg Billeter
  */
 
@@ -44,3 +44,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerPardus.c

@@ -16,7 +16,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 RedHat, Inc.
+ * (C) Copyright 2004 - 2012 RedHat, Inc.
  * (C) Copyright 2009 TUBITAK/UEKAE
  */
 
@@ -35,3 +35,8 @@ void nm_backend_update_dns (void)
 {
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerRedHat.c

@@ -16,7 +16,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 - 2011 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -40,3 +40,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerSlackware.c

@@ -16,7 +16,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 RedHat, Inc.
+ * (C) Copyright 2004 - 2012 RedHat, Inc.
  * (C) Copyright 2004 Narayan Newton
  */
 
@@ -35,3 +35,8 @@ void nm_backend_update_dns (void)
 {
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/NetworkManagerSuSE.c

@@ -19,7 +19,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * (C) Copyright 2004 Red Hat, Inc.
+ * (C) Copyright 2004 - 2012 Red Hat, Inc.
  * (C) Copyright 2005-2006 SuSE GmbH
  */
 
@@ -45,3 +45,8 @@ void nm_backend_update_dns (void)
 	}
 }
 
+int nm_backend_ipv6_use_tempaddr (void)
+{
+	return nm_generic_ipv6_use_tempaddr ();
+}
+

src/backends/nm-backend.h

@@ -15,7 +15,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * Copyright (C) 2011 Red Hat, Inc.
+ * Copyright (C) 2011 - 2012 Red Hat, Inc.
  */
 
 #ifndef NM_BACKEND_H
@@ -25,5 +25,6 @@
 
 void nm_backend_enable_loopback (void);
 void nm_backend_update_dns      (void);
+int nm_backend_ipv6_use_tempaddr (void);
 
 #endif  /* NM_BACKEND_H */