keyfile: make the keyfile location configurable

https://bugzilla.gnome.org/show_bug.cgi?id=755995

configure.ac

@@ -138,6 +138,9 @@ if test "$enable_ifcfg_rh" = "yes"; then
 fi
 AC_SUBST(DISTRO_NETWORK_SERVICE)
 
+AC_SUBST(NM_CONFIG_KEYFILE_PATH_DEFAULT, "${sysconfdir}/$PACKAGE/system-connections", [The keyfile directory])
+AC_DEFINE_UNQUOTED(NM_CONFIG_KEYFILE_PATH_DEFAULT, "$NM_CONFIG_KEYFILE_PATH_DEFAULT", [The keyfile directory])
+
 # Code coverage
 GNOME_CODE_COVERAGE
 

man/NetworkManager.conf.xml.in

@@ -336,6 +336,14 @@ no-auto-default=*
 	  system configuration files according to build options.
 	  </para></listitem>
 	</varlistentry>
+        <varlistentry>
+          <term><varname>path</varname></term>
+          <listitem>
+            <para>The location where keyfiles are read and stored.
+            This defaults to "<literal>@NM_CONFIG_KEYFILE_PATH_DEFAULT@</literal>".
+            </para>
+          </listitem>
+        </varlistentry>
 	<varlistentry>
 	  <term><varname>unmanaged-devices</varname></term>
 	  <listitem><para>Set devices that should be ignored by

src/nm-config.h

@@ -65,6 +65,7 @@ G_BEGIN_DECLS
 #define NM_CONFIG_KEYFILE_KEY_LOGGING_BACKEND               "backend"
 #define NM_CONFIG_KEYFILE_KEY_CONFIG_ENABLE                 "enable"
 #define NM_CONFIG_KEYFILE_KEY_ATOMIC_SECTION_WAS            ".was"
+#define NM_CONFIG_KEYFILE_KEY_KEYFILE_PATH                  "path"
 #define NM_CONFIG_KEYFILE_KEY_IFNET_AUTO_REFRESH            "auto_refresh"
 #define NM_CONFIG_KEYFILE_KEY_IFNET_MANAGED                 "managed"
 #define NM_CONFIG_KEYFILE_KEY_IFUPDOWN_MANAGED              "managed"

src/settings/plugins/keyfile/plugin.c

@@ -334,7 +334,7 @@ setup_monitoring (NMSettingsPlugin *config)
 	GFileMonitor *monitor;
 
 	if (nm_config_get_monitor_connection_files (nm_config_get ())) {
-		file = g_file_new_for_path (KEYFILE_DIR);
+		file = g_file_new_for_path (nm_keyfile_plugin_get_path ());
 		monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
 		g_object_unref (file);
 
@@ -403,10 +403,10 @@ read_connections (NMSettingsPlugin *config)
 	GPtrArray *filenames;
 	GHashTable *paths;
 
-	dir = g_dir_open (KEYFILE_DIR, 0, &error);
+	dir = g_dir_open (nm_keyfile_plugin_get_path (), 0, &error);
 	if (!dir) {
 		nm_log_warn (LOGD_SETTINGS, "keyfile: cannot read directory '%s': (%d) %s",
-		             KEYFILE_DIR,
+		             nm_keyfile_plugin_get_path (),
 		             error ? error->code : -1,
 		             error && error->message ? error->message : "(unknown)");
 		g_clear_error (&error);
@@ -419,7 +419,7 @@ read_connections (NMSettingsPlugin *config)
 	while ((item = g_dir_read_name (dir))) {
 		if (nm_keyfile_plugin_utils_should_ignore_file (item))
 			continue;
-		g_ptr_array_add (filenames, g_build_filename (KEYFILE_DIR, item, NULL));
+		g_ptr_array_add (filenames, g_build_filename (nm_keyfile_plugin_get_path (), item, NULL));
 	}
 	g_dir_close (dir);
 
@@ -479,9 +479,9 @@ load_connection (NMSettingsPlugin *config,
 {
 	SettingsPluginKeyfile *self = SETTINGS_PLUGIN_KEYFILE (config);
 	NMKeyfileConnection *connection;
-	int dir_len = strlen (KEYFILE_DIR);
+	int dir_len = strlen (nm_keyfile_plugin_get_path ());
 
-	if (   strncmp (filename, KEYFILE_DIR, dir_len) != 0
+	if (   strncmp (filename, nm_keyfile_plugin_get_path (), dir_len) != 0
 	    || filename[dir_len] != '/'
 	    || strchr (filename + dir_len + 1, '/') != NULL)
 		return FALSE;

src/settings/plugins/keyfile/utils.c

@@ -27,6 +27,7 @@
 #include <nm-setting-wired.h>
 #include <nm-setting-wireless.h>
 #include <nm-setting-wireless-security.h>
+#include "nm-config.h"
 
 static const char temp_letters[] =
 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
@@ -144,3 +145,23 @@ nm_keyfile_plugin_utils_escape_filename (const char *filename)
 	return g_string_free (str, FALSE);;
 }
 
+/*****************************************************************************/
+
+const char *
+nm_keyfile_plugin_get_path (void)
+{
+	static char *path = NULL;
+
+	if (G_UNLIKELY (!path)) {
+		path = nm_config_data_get_value (NM_CONFIG_GET_DATA_ORIG,
+		                                 NM_CONFIG_KEYFILE_GROUP_KEYFILE,
+		                                 NM_CONFIG_KEYFILE_KEY_KEYFILE_PATH,
+		                                 NM_CONFIG_GET_VALUE_STRIP | NM_CONFIG_GET_VALUE_NO_EMPTY);
+		if (!path)
+			path = g_strdup (""NM_CONFIG_KEYFILE_PATH_DEFAULT"");
+	}
+	return path;
+}
+
+/*****************************************************************************/
+

src/settings/plugins/keyfile/utils.h

@@ -27,8 +27,6 @@
 #define KEYFILE_PLUGIN_NAME "keyfile"
 #define KEYFILE_PLUGIN_INFO "(c) 2007 - 2015 Red Hat, Inc.  To report bugs please use the NetworkManager mailing list."
 
-#define KEYFILE_DIR NMCONFDIR "/system-connections"
-
 #define NM_KEYFILE_CONNECTION_LOG_PATH(path)  str_if_set (path,"in-memory")
 #define NM_KEYFILE_CONNECTION_LOG_FMT         "%s (%s,\"%s\")"
 #define NM_KEYFILE_CONNECTION_LOG_ARG(con)    NM_KEYFILE_CONNECTION_LOG_PATH (nm_settings_connection_get_filename ((NMSettingsConnection *) (con))), nm_connection_get_uuid ((NMConnection *) (con)), nm_connection_get_id ((NMConnection *) (con))
@@ -39,5 +37,7 @@ gboolean nm_keyfile_plugin_utils_should_ignore_file (const char *filename);
 
 char *nm_keyfile_plugin_utils_escape_filename (const char *filename);
 
+const char *nm_keyfile_plugin_get_path (void);
+
 #endif  /* _UTILS_H_ */
 

src/settings/plugins/keyfile/writer.c

@@ -366,7 +366,7 @@ nm_keyfile_plugin_write_connection (NMConnection *connection,
                                     GError **error)
 {
 	return _internal_write_connection (connection,
-	                                   KEYFILE_DIR,
+	                                   nm_keyfile_plugin_get_path (),
 	                                   0, 0,
 	                                   existing_path,
 	                                   force_rename,