Imported Upstream version 1.0.4 upstream/1.0.4

1 files changed, 342 insertions, 0 deletions

diff --git a/libnm-core/nm-keyfile-utils.c b/libnm-core/nm-keyfile-utils.c
new file mode 100644
index 00000000..d04a3d1b
--- /dev/null
+++ b/libnm-core/nm-keyfile-utils.c
@@ -0,0 +1,342 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager system settings service
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * (C) Copyright 2010 Red Hat, Inc.
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gsystem-local-alloc.h"
+#include "nm-keyfile-utils.h"
+#include "nm-keyfile-internal.h"
+#include "nm-setting-wired.h"
+#include "nm-setting-wireless.h"
+#include "nm-setting-wireless-security.h"
+
+
+typedef struct {
+	const char *setting;
+	const char *alias;
+} SettingAlias;
+
+static const SettingAlias alias_list[] = {
+	{ NM_SETTING_WIRED_SETTING_NAME, "ethernet" },
+	{ NM_SETTING_WIRELESS_SETTING_NAME, "wifi" },
+	{ NM_SETTING_WIRELESS_SECURITY_SETTING_NAME, "wifi-security" },
+};
+
+const char *
+nm_keyfile_plugin_get_alias_for_setting_name (const char *setting_name)
+{
+	guint i;
+
+	g_return_val_if_fail (setting_name != NULL, NULL);
+
+	for (i = 0; i < G_N_ELEMENTS (alias_list); i++) {
+		if (strcmp (setting_name, alias_list[i].setting) == 0)
+			return alias_list[i].alias;
+	}
+	return NULL;
+}
+
+const char *
+nm_keyfile_plugin_get_setting_name_for_alias (const char *alias)
+{
+	guint i;
+
+	g_return_val_if_fail (alias != NULL, NULL);
+
+	for (i = 0; i < G_N_ELEMENTS (alias_list); i++) {
+		if (strcmp (alias, alias_list[i].alias) == 0)
+			return alias_list[i].setting;
+	}
+	return NULL;
+}
+
+/**********************************************************************/
+
+/* List helpers */
+#define DEFINE_KF_LIST_WRAPPER(stype, get_ctype, set_ctype) \
+get_ctype \
+nm_keyfile_plugin_kf_get_##stype##_list (GKeyFile *kf, \
+                                         const char *group, \
+                                         const char *key, \
+                                         gsize *out_length, \
+                                         GError **error) \
+{ \
+	get_ctype list; \
+	const char *alias; \
+	GError *local = NULL; \
+ \
+	list = g_key_file_get_##stype##_list (kf, group, key, out_length, &local); \
+	if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) { \
+		alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
+		if (alias) { \
+			g_clear_error (&local); \
+			list = g_key_file_get_##stype##_list (kf, alias, key, out_length, &local); \
+		} \
+	} \
+	if (local) \
+		g_propagate_error (error, local); \
+	return list; \
+} \
+ \
+void \
+nm_keyfile_plugin_kf_set_##stype##_list (GKeyFile *kf, \
+                                         const char *group, \
+                                         const char *key, \
+                                         set_ctype list[], \
+                                         gsize length) \
+{ \
+	const char *alias; \
+ \
+	alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
+	g_key_file_set_##stype##_list (kf, alias ? alias : group, key, list, length); \
+}
+
+DEFINE_KF_LIST_WRAPPER(integer, gint*, gint);
+DEFINE_KF_LIST_WRAPPER(string, gchar **, const gchar* const);
+
+/* Single value helpers */
+#define DEFINE_KF_WRAPPER(stype, get_ctype, set_ctype) \
+get_ctype \
+nm_keyfile_plugin_kf_get_##stype (GKeyFile *kf, \
+                                  const char *group, \
+                                  const char *key, \
+                                  GError **error) \
+{ \
+	get_ctype val; \
+	const char *alias; \
+	GError *local = NULL; \
+ \
+	val = g_key_file_get_##stype (kf, group, key, &local); \
+	if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) { \
+		alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
+		if (alias) { \
+			g_clear_error (&local); \
+			val = g_key_file_get_##stype (kf, alias, key, &local); \
+		} \
+	} \
+	if (local) \
+		g_propagate_error (error, local); \
+	return val; \
+} \
+ \
+void \
+nm_keyfile_plugin_kf_set_##stype (GKeyFile *kf, \
+                                  const char *group, \
+                                  const char *key, \
+                                  set_ctype value) \
+{ \
+	const char *alias; \
+ \
+	alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
+	g_key_file_set_##stype (kf, alias ? alias : group, key, value); \
+}
+
+DEFINE_KF_WRAPPER(string, gchar*, const gchar*);
+DEFINE_KF_WRAPPER(integer, gint, gint);
+DEFINE_KF_WRAPPER(uint64, guint64, guint64);
+DEFINE_KF_WRAPPER(boolean, gboolean, gboolean);
+DEFINE_KF_WRAPPER(value, gchar*, const gchar*);
+
+
+gchar **
+nm_keyfile_plugin_kf_get_keys (GKeyFile *kf,
+                               const char *group,
+                               gsize *out_length,
+                               GError **error)
+{
+	gchar **keys;
+	const char *alias;
+	GError *local = NULL;
+
+	keys = g_key_file_get_keys (kf, group, out_length, &local);
+	if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) {
+		alias = nm_keyfile_plugin_get_alias_for_setting_name (group);
+		if (alias) {
+			g_clear_error (&local);
+			keys = g_key_file_get_keys (kf, alias, out_length, &local);
+		}
+	}
+	if (local)
+		g_propagate_error (error, local);
+	return keys;
+}
+
+gboolean
+nm_keyfile_plugin_kf_has_key (GKeyFile *kf,
+                              const char *group,
+                              const char *key,
+                              GError **error)
+{
+	gboolean has;
+	const char *alias;
+	GError *local = NULL;
+
+	has = g_key_file_has_key (kf, group, key, &local);
+	if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) {
+		alias = nm_keyfile_plugin_get_alias_for_setting_name (group);
+		if (alias) {
+			g_clear_error (&local);
+			has = g_key_file_has_key (kf, alias, key, &local);
+		}
+	}
+	if (local)
+		g_propagate_error (error, local);
+	return has;
+}
+
+/************************************************************************/
+
+void
+_nm_keyfile_copy (GKeyFile *dst, GKeyFile *src)
+{
+	gs_strfreev char **groups = NULL;
+	guint g, k;
+
+	groups = g_key_file_get_groups (src, NULL);
+	for (g = 0; groups && groups[g]; g++) {
+		const char *group = groups[g];
+		gs_strfreev char **keys = NULL;
+
+		keys = g_key_file_get_keys (src, group, NULL, NULL);
+		if (!keys)
+			continue;
+
+		for (k = 0; keys[k]; k++) {
+			const char *key = keys[k];
+			gs_free char *value = NULL;
+
+			value = g_key_file_get_value (src, group, key, NULL);
+			if (value)
+				g_key_file_set_value (dst, group, key, value);
+			else
+				g_key_file_remove_key (dst, group, key, NULL);
+		}
+	}
+}
+
+/************************************************************************/
+
+gboolean
+_nm_keyfile_a_contains_all_in_b (GKeyFile *kf_a, GKeyFile *kf_b)
+{
+	gs_strfreev char **groups = NULL;
+	guint i, j;
+
+	if (kf_a == kf_b)
+		return TRUE;
+	if (!kf_a || !kf_b)
+		return FALSE;
+
+	groups = g_key_file_get_groups (kf_a, NULL);
+	for (i = 0; groups && groups[i]; i++) {
+		gs_strfreev char **keys = NULL;
+
+		keys = g_key_file_get_keys (kf_a, groups[i], NULL, NULL);
+		if (!keys)
+			continue;
+
+		for (j = 0; keys[j]; j++) {
+			gs_free char *key_a = g_key_file_get_value (kf_a, groups[i], keys[j], NULL);
+			gs_free char *key_b = g_key_file_get_value (kf_b, groups[i], keys[j], NULL);
+
+			if (g_strcmp0 (key_a, key_b) != 0)
+				return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+
+static gboolean
+_nm_keyfile_equals_ordered (GKeyFile *kf_a, GKeyFile *kf_b)
+{
+	gs_strfreev char **groups = NULL;
+	gs_strfreev char **groups_b = NULL;
+	guint i, j;
+
+	if (kf_a == kf_b)
+		return TRUE;
+	if (!kf_a || !kf_b)
+		return FALSE;
+
+	groups = g_key_file_get_groups (kf_a, NULL);
+	groups_b = g_key_file_get_groups (kf_b, NULL);
+	if (!groups && !groups_b)
+		return TRUE;
+	if (!groups || !groups_b)
+		return FALSE;
+	for (i = 0; groups[i] && groups_b[i] && !strcmp (groups[i], groups_b[i]); i++)
+		;
+	if (groups[i] || groups_b[i])
+		return FALSE;
+
+	for (i = 0; groups[i]; i++) {
+		gs_strfreev char **keys = NULL;
+		gs_strfreev char **keys_b = NULL;
+
+		keys = g_key_file_get_keys (kf_a, groups[i], NULL, NULL);
+		keys_b = g_key_file_get_keys (kf_b, groups[i], NULL, NULL);
+
+		if ((!keys) != (!keys_b))
+			return FALSE;
+		if (!keys)
+			continue;
+
+		for (j = 0; keys[j] && keys_b[j] && !strcmp (keys[j], keys_b[j]); j++)
+			;
+		if (keys[j] || keys_b[j])
+			return FALSE;
+
+		for (j = 0; keys[j]; j++) {
+			gs_free char *key_a = g_key_file_get_value (kf_a, groups[i], keys[j], NULL);
+			gs_free char *key_b = g_key_file_get_value (kf_b, groups[i], keys[j], NULL);
+
+			if (g_strcmp0 (key_a, key_b) != 0)
+				return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+gboolean
+_nm_keyfile_equals (GKeyFile *kf_a, GKeyFile *kf_b, gboolean consider_order)
+{
+	if (!consider_order) {
+		return    _nm_keyfile_a_contains_all_in_b (kf_a, kf_b)
+		       && _nm_keyfile_a_contains_all_in_b (kf_b, kf_a);
+	} else {
+		return _nm_keyfile_equals_ordered (kf_a, kf_b);
+	}
+}
+
+gboolean
+_nm_keyfile_has_values (GKeyFile *keyfile)
+{
+	gs_strfreev char **groups = NULL;
+
+	g_return_val_if_fail (keyfile, FALSE);
+
+	groups = g_key_file_get_groups (keyfile, NULL);
+	return groups && groups[0];
+}