keyfile: merge branch 'th/keyfile-public-api' (part 1)

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/517

libnm-core/tests/test-keyfile.c

@@ -143,7 +143,7 @@ _nm_keyfile_write (NMConnection *connection,
 
 	g_assert (NM_IS_CONNECTION (connection));
 
-	kf = nm_keyfile_write (connection, handler, user_data, &error);
+	kf = nm_keyfile_write (connection, NM_KEYFILE_HANDLER_FLAGS_NONE, handler, user_data, &error);
 	g_assert_no_error (error);
 	g_assert (kf);
 	return kf;
@@ -167,7 +167,7 @@ _nm_keyfile_read (GKeyFile *keyfile,
 	base_dir = g_path_get_dirname (keyfile_name);
 	filename = g_path_get_basename (keyfile_name);
 
-	con = nm_keyfile_read (keyfile, base_dir, read_handler, read_data, &error);
+	con = nm_keyfile_read (keyfile, base_dir, NM_KEYFILE_HANDLER_FLAGS_NONE, read_handler, read_data, &error);
 	g_assert_no_error (error);
 	g_assert (NM_IS_CONNECTION (con));
 

libnm-core/tests/test-setting.c

@@ -1593,11 +1593,12 @@ test_ethtool_features (void)
 
 	nmtst_assert_connection_equals (con, FALSE, con2, FALSE);
 
-	keyfile = nm_keyfile_write (con, NULL, NULL, &error);
+	keyfile = nm_keyfile_write (con, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	nmtst_assert_success (keyfile, error);
 
 	con3 = nm_keyfile_read (keyfile,
 	                        "/ignored/current/working/directory/for/loading/relative/paths",
+	                        NM_KEYFILE_HANDLER_FLAGS_NONE,
 	                        NULL,
 	                        NULL,
 	                        &error);
@@ -1662,11 +1663,12 @@ test_ethtool_coalesce (void)
 
 	nmtst_assert_connection_equals (con, FALSE, con2, FALSE);
 
-	keyfile = nm_keyfile_write (con, NULL, NULL, &error);
+	keyfile = nm_keyfile_write (con, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	nmtst_assert_success (keyfile, error);
 
 	con3 = nm_keyfile_read (keyfile,
 	                        "/ignored/current/working/directory/for/loading/relative/paths",
+	                        NM_KEYFILE_HANDLER_FLAGS_NONE,
 	                        NULL,
 	                        NULL,
 	                        &error);
@@ -1746,11 +1748,12 @@ test_ethtool_ring (void)
 
 	nmtst_assert_connection_equals (con, FALSE, con2, FALSE);
 
-	keyfile = nm_keyfile_write (con, NULL, NULL, &error);
+	keyfile = nm_keyfile_write (con, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	nmtst_assert_success (keyfile, error);
 
 	con3 = nm_keyfile_read (keyfile,
 	                        "/ignored/current/working/directory/for/loading/relative/paths",
+	                        NM_KEYFILE_HANDLER_FLAGS_NONE,
 	                        NULL,
 	                        NULL,
 	                        &error);
@@ -3266,7 +3269,7 @@ test_roundtrip_conversion (gconstpointer test_data)
 	{
 		gs_unref_keyfile GKeyFile *kf = NULL;
 
-		kf = nm_keyfile_write (con, NULL, NULL, &error);
+		kf = nm_keyfile_write (con, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 		nmtst_assert_success (kf, error);
 
 		/* the first kf_data_arr entry is special: it must be what the writer would
@@ -3361,7 +3364,7 @@ test_roundtrip_conversion (gconstpointer test_data)
 			{
 				gs_unref_keyfile GKeyFile *kf = NULL;
 
-				kf = nm_keyfile_write (con2, NULL, NULL, &error);
+				kf = nm_keyfile_write (con2, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 				nmtst_assert_success (kf, error);
 				nmtst_keyfile_assert_data (kf, kf_data_arr->pdata[0], -1);
 			}
@@ -3665,7 +3668,7 @@ test_empty_setting (void)
 
 	nmtst_assert_connection_verifies_without_normalization (con);
 
-	kf = nm_keyfile_write (con, NULL, NULL, &error);
+	kf = nm_keyfile_write (con, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	nmtst_assert_success (kf, error);
 
 	g_assert (g_key_file_has_group (kf, "gsm"));
@@ -3673,6 +3676,7 @@ test_empty_setting (void)
 
 	con2 = nm_keyfile_read (kf,
 	                        "/ignored/current/working/directory/for/loading/relative/paths",
+	                        NM_KEYFILE_HANDLER_FLAGS_NONE,
 	                        NULL,
 	                        NULL,
 	                        &error);

shared/nm-keyfile/nm-keyfile-internal.h

@@ -31,9 +31,16 @@ char *nm_keyfile_detect_unqualified_path_scheme (const char *base_dir,
                                                  gboolean consider_exists,
                                                  gboolean *out_exists);
 
+typedef enum { /*< flags >*/
+	NM_KEYFILE_HANDLER_FLAGS_NONE = 0,
+} NMKeyfileHandlerFlags;
+
 typedef enum {
-	NM_KEYFILE_READ_TYPE_WARN               = 1,
+	NM_KEYFILE_HANDLER_TYPE_WARN  = 1,
-} NMKeyfileReadType;
+	NM_KEYFILE_HANDLER_TYPE_WRITE_CERT = 2,
+} NMKeyfileHandlerType;
+
+typedef struct _NMKeyfileHandlerData NMKeyfileHandlerData;
 
 /**
  * NMKeyfileReadHandler:
@@ -42,15 +49,14 @@ typedef enum {
  * @error.
  *
  * Returns: should return TRUE, if the reading was handled. Otherwise,
- * a default action will be performed that depends on the @type.
+ * a default action will be performed that depends on the @handler_type.
- * For %NM_KEYFILE_READ_TYPE_WARN type, the default action is doing nothing.
+ * For %NM_KEYFILE_HANDLER_TYPE_WARN handler_type, the default action is doing nothing.
  */
 typedef gboolean (*NMKeyfileReadHandler) (GKeyFile *keyfile,
                                           NMConnection *connection,
-                                          NMKeyfileReadType type,
+                                          NMKeyfileHandlerType handler_type,
-                                          void *type_data,
+                                          NMKeyfileHandlerData *handler_data,
-                                          void *user_data,
+                                          void *user_data);
-                                          GError **error);
 
 typedef enum {
 	NM_KEYFILE_WARN_SEVERITY_DEBUG                  = 1000,
@@ -59,28 +65,9 @@ typedef enum {
 	NM_KEYFILE_WARN_SEVERITY_WARN                   = 3000,
 } NMKeyfileWarnSeverity;
 
-/**
- * NMKeyfileReadTypeDataWarn:
- *
- * this struct is passed as @type_data for the @NMKeyfileReadHandler of
- * type %NM_KEYFILE_READ_TYPE_WARN.
- */
-typedef struct {
-	/* might be %NULL, if the warning is not about a group. */
-	const char *group;
-
-	/* might be %NULL, if the warning is not about a setting. */
-	NMSetting *setting;
-
-	/* might be %NULL, if the warning is not about a property. */
-	const char *property_name;
-
-	NMKeyfileWarnSeverity severity;
-	const char *message;
-} NMKeyfileReadTypeDataWarn;
-
 NMConnection *nm_keyfile_read (GKeyFile *keyfile,
                                const char *base_dir,
+                               NMKeyfileHandlerFlags handler_flags,
                                NMKeyfileReadHandler handler,
                                void *user_data,
                                GError **error);
@@ -93,21 +80,17 @@ gboolean nm_keyfile_read_ensure_uuid (NMConnection *connection,
 
 /*****************************************************************************/
 
-typedef enum {
-	NM_KEYFILE_WRITE_TYPE_CERT              = 1,
-} NMKeyfileWriteType;
-
 /**
  * NMKeyfileWriteHandler:
  *
  * This is a hook to tweak the serialization.
  *
  * Handler for certain properties or events that are not entirely contained
- * within the keyfile or that might be serialized differently. The @type and
+ * within the keyfile or that might be serialized differently. The @handler_type and
- * @type_data arguments tell which kind of argument we have at hand.
+ * @handler_data arguments tell which kind of argument we have at hand.
  *
- * Currently only the type %NM_KEYFILE_WRITE_TYPE_CERT is supported, which provides
+ * Currently only the handler_type %NM_KEYFILE_HANDLER_TYPE_WRITE_CERT is supported, which provides
- * @type_data as %NMKeyfileWriteTypeDataCert. However, this handler should be generic enough
+ * @handler_data as %NMKeyfileHandlerDataWriteCert. However, this handler should be generic enough
  * to support other types as well.
  *
  * This don't have to be only "properties". For example, nm_keyfile_read() uses
@@ -122,29 +105,77 @@ typedef enum {
  */
 typedef gboolean (*NMKeyfileWriteHandler) (NMConnection *connection,
                                            GKeyFile *keyfile,
-                                           NMKeyfileWriteType type,
+                                           NMKeyfileHandlerType handler_type,
-                                           void *type_data,
+                                           NMKeyfileHandlerData *handler_data,
-                                           void *user_data,
+                                           void *user_data);
-                                           GError **error);
-
-/**
- * NMKeyfileWriteTypeDataCert:
- *
- * this struct is passed as @type_data for the @NMKeyfileWriteHandler of
- * type %NM_KEYFILE_WRITE_TYPE_CERT.
- */
-typedef struct {
-	const NMSetting8021xSchemeVtable *vtable;
-	NMSetting8021x *setting;
-} NMKeyfileWriteTypeDataCert;
 
 GKeyFile *nm_keyfile_write (NMConnection *connection,
+                            NMKeyfileHandlerFlags handler_flags,
                             NMKeyfileWriteHandler handler,
                             void *user_data,
                             GError **error);
 
 /*****************************************************************************/
 
+/**
+ * NMKeyfileHandlerDataWarn:
+ *
+ * this struct is passed as @handler_data for the @NMKeyfileReadHandler of
+ * handler_type %NM_KEYFILE_HANDLER_TYPE_WARN.
+ */
+typedef struct {
+	NMKeyfileWarnSeverity severity;
+	char *message;
+	const char *fmt;
+	va_list ap;
+} NMKeyfileHandlerDataWarn;
+
+/**
+ * NMKeyfileHandlerDataWriteCert:
+ *
+ * this struct is passed as @handler_data for the @NMKeyfileWriteHandler of
+ * handler_type %NM_KEYFILE_HANDLER_TYPE_WRITE_CERT.
+ */
+typedef struct {
+	const NMSetting8021xSchemeVtable *vtable;
+} NMKeyfileHandlerDataWriteCert;
+
+struct _NMKeyfileHandlerData {
+	NMKeyfileHandlerType type;
+
+	GError **p_error;
+
+	const char *kf_group_name;
+	const char *kf_key;
+
+	NMSetting *cur_setting;
+	const char *cur_property;
+
+	union {
+		NMKeyfileHandlerDataWarn      warn;
+		NMKeyfileHandlerDataWriteCert write_cert;
+	};
+};
+
+/*****************************************************************************/
+
+void nm_keyfile_handler_data_fail_with_error (NMKeyfileHandlerData *handler_data,
+                                              GError *src);
+
+void nm_keyfile_handler_data_get_context (const NMKeyfileHandlerData *handler_data,
+                                          const char **out_kf_group_name,
+                                          const char **out_kf_key_name,
+                                          NMSetting **out_cur_setting,
+                                          const char **out_cur_property_name);
+
+void nm_keyfile_handler_data_warn_get (const NMKeyfileHandlerData *handler_data,
+                                       const char **out_message,
+                                       NMKeyfileWarnSeverity *out_severity);
+
+const char *_nm_keyfile_handler_data_warn_get_message (const NMKeyfileHandlerData *handler_data);
+
+/*****************************************************************************/
+
 char *nm_keyfile_plugin_kf_get_string (GKeyFile *kf, const char *group, const char *key, GError **error);
 void nm_keyfile_plugin_kf_set_string (GKeyFile *kf, const char *group, const char *key, const char *value);
 

shared/nm-utils/nm-test-utils.h

@@ -1924,8 +1924,8 @@ nmtst_assert_connection_equals (NMConnection *a, gboolean normalize_a, NMConnect
 			gs_unref_keyfile GKeyFile *kf_a = NULL, *kf_b = NULL;
 			gs_free char *str_a = NULL, *str_b = NULL;
 
-			kf_a = nm_keyfile_write (a, NULL, NULL, NULL);
+			kf_a = nm_keyfile_write (a, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, NULL);
-			kf_b = nm_keyfile_write (b, NULL, NULL, NULL);
+			kf_b = nm_keyfile_write (b, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, NULL);
 
 			if (kf_a)
 				str_a = g_key_file_to_data (kf_a, NULL, NULL);
@@ -2262,7 +2262,7 @@ nmtst_create_connection_from_keyfile (const char *keyfile_str, const char *full_
 	success = g_key_file_load_from_data (keyfile, keyfile_str, strlen (keyfile_str), G_KEY_FILE_NONE, &error);
 	nmtst_assert_success (success, error);
 
-	con = nm_keyfile_read (keyfile, base_dir, NULL, NULL, &error);
+	con = nm_keyfile_read (keyfile, base_dir, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	nmtst_assert_success (NM_IS_CONNECTION (con), error);
 
 	nm_keyfile_read_ensure_id (con, filename);

src/initrd/nm-initrd-generator.c

@@ -33,7 +33,7 @@ output_conn (gpointer key, gpointer value, gpointer user_data)
 	if (!nm_connection_normalize (connection, NULL, NULL, &error))
 		goto err_out;
 
-	file = nm_keyfile_write (connection, NULL, NULL, &error);
+	file = nm_keyfile_write (connection, NM_KEYFILE_HANDLER_FLAGS_NONE, NULL, NULL, &error);
 	if (file == NULL)
 		goto err_out;
 

src/settings/plugins/keyfile/nms-keyfile-reader.c

@@ -17,11 +17,15 @@
 /*****************************************************************************/
 
 static const char *
-_fmt_warn (const char *group, NMSetting *setting, const char *property_name, const char *message, char **out_message)
+_fmt_warn (const NMKeyfileHandlerData *handler_data, char **out_message)
 {
-	const char *setting_name = setting ? nm_setting_get_name (setting) : NULL;
+	const char *group = handler_data->kf_group_name;
+	const char *message = _nm_keyfile_handler_data_warn_get_message (handler_data);
 
 	if (group) {
+		NMSetting *setting = handler_data->cur_setting;
+		const char *property_name = handler_data->cur_property;
+		const char *setting_name = setting ? nm_setting_get_name (setting) : NULL;
 		char *res;
 
 		if (setting_name) {
@@ -37,30 +41,30 @@ _fmt_warn (const char *group, NMSetting *setting, const char *property_name, con
 			res = g_strdup_printf ("%s: %s", group, message);
 		*out_message = res;
 		return res;
-	} else
+	}
+
 	return message;
 }
 
 typedef struct {
 	bool verbose;
-} HandlerReadData;
+} ReadInfo;
 
 static gboolean
 _handler_read (GKeyFile *keyfile,
                NMConnection *connection,
-               NMKeyfileReadType type,
+               NMKeyfileHandlerType handler_type,
-               void *type_data,
+               NMKeyfileHandlerData *handler_data,
-               void *user_data,
+               void *user_data)
-               GError **error)
 {
-	const HandlerReadData *handler_data = user_data;
+	const ReadInfo *read_info = user_data;
 
-	if (type == NM_KEYFILE_READ_TYPE_WARN) {
+	if (handler_type == NM_KEYFILE_HANDLER_TYPE_WARN) {
-		NMKeyfileReadTypeDataWarn *warn_data = type_data;
+		const NMKeyfileHandlerDataWarn *warn_data = &handler_data->warn;
 		NMLogLevel level;
 		char *message_free = NULL;
 
-		if (!handler_data->verbose)
+		if (!read_info->verbose)
 			return TRUE;
 
 		if (warn_data->severity > NM_KEYFILE_WARN_SEVERITY_WARN)
@@ -72,15 +76,17 @@ _handler_read (GKeyFile *keyfile,
 		else
 			level = LOGL_INFO;
 
-		nm_log (level, LOGD_SETTINGS, NULL,
+		nm_log (level,
+		        LOGD_SETTINGS,
+		        NULL,
 		        nm_connection_get_uuid (connection),
 		        "keyfile: %s",
-		        _fmt_warn (warn_data->group, warn_data->setting,
+		        _fmt_warn (handler_data,
-		                   warn_data->property_name, warn_data->message,
 		                   &message_free));
 		g_free (message_free);
 		return TRUE;
 	}
+
 	return FALSE;
 }
 
@@ -93,7 +99,7 @@ nms_keyfile_reader_from_keyfile (GKeyFile *key_file,
                                  GError **error)
 {
 	NMConnection *connection;
-	HandlerReadData data = {
+	ReadInfo read_info = {
 		.verbose = verbose,
 	};
 	gs_free char *base_dir_free = NULL;
@@ -122,7 +128,7 @@ nms_keyfile_reader_from_keyfile (GKeyFile *key_file,
 		filename = &s[1];
 	}
 
-	connection = nm_keyfile_read (key_file, base_dir, _handler_read, &data, error);
+	connection = nm_keyfile_read (key_file, base_dir, NM_KEYFILE_HANDLER_FLAGS_NONE, _handler_read, &read_info, error);
 	if (!connection)
 		return NULL;
 

src/settings/plugins/keyfile/nms-keyfile-writer.c

@@ -28,21 +28,22 @@ typedef struct {
 static void
 cert_writer (NMConnection *connection,
              GKeyFile *file,
-             NMKeyfileWriteTypeDataCert *cert_data,
+             NMSetting8021x *setting,
+             const NMSetting8021xSchemeVtable *vtable,
              WriteInfo *info,
              GError **error)
 {
-	const char *setting_name = nm_setting_get_name (NM_SETTING (cert_data->setting));
+	const char *setting_name = nm_setting_get_name (NM_SETTING (setting));
 	NMSetting8021xCKScheme scheme;
 	NMSetting8021xCKFormat format;
 	const char *path = NULL, *ext = "pem";
 
-	scheme = cert_data->vtable->scheme_func (cert_data->setting);
+	scheme = vtable->scheme_func (setting);
 	if (scheme == NM_SETTING_802_1X_CK_SCHEME_PATH) {
 		char *tmp = NULL;
 		const char *accepted_path = NULL;
 
-		path = cert_data->vtable->path_func (cert_data->setting);
+		path = vtable->path_func (setting);
 		g_assert (path);
 
 		if (g_str_has_prefix (path, info->keyfile_dir)) {
@@ -78,11 +79,11 @@ cert_writer (NMConnection *connection,
 
 		if (!accepted_path)
 			accepted_path = tmp = g_strconcat (NM_KEYFILE_CERT_SCHEME_PREFIX_PATH, path, NULL);
-		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->vtable->setting_key, accepted_path);
+		nm_keyfile_plugin_kf_set_string (file, setting_name, vtable->setting_key, accepted_path);
 		g_free (tmp);
 	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_PKCS11) {
-		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->vtable->setting_key,
+		nm_keyfile_plugin_kf_set_string (file, setting_name, vtable->setting_key,
-		                                 cert_data->vtable->uri_func (cert_data->setting));
+		                                 vtable->uri_func (setting));
 	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB) {
 		GBytes *blob;
 		const guint8 *blob_data;
@@ -91,13 +92,13 @@ cert_writer (NMConnection *connection,
 		GError *local = NULL;
 		char *new_path;
 
-		blob = cert_data->vtable->blob_func (cert_data->setting);
+		blob = vtable->blob_func (setting);
 		g_assert (blob);
 		blob_data = g_bytes_get_data (blob, &blob_len);
 
-		if (cert_data->vtable->format_func) {
+		if (vtable->format_func) {
 			/* Get the extension for a private key */
-			format = cert_data->vtable->format_func (cert_data->setting);
+			format = vtable->format_func (setting);
 			if (format == NM_SETTING_802_1X_CK_FORMAT_PKCS12)
 				ext = "p12";
 		} else {
@@ -110,7 +111,7 @@ cert_writer (NMConnection *connection,
 		 * from now on instead of pushing around the certificate data.
 		 */
 		new_path = g_strdup_printf ("%s/%s-%s.%s", info->keyfile_dir, nm_connection_get_uuid (connection),
-		                            cert_data->vtable->file_suffix, ext);
+		                            vtable->file_suffix, ext);
 
 		/* FIXME(keyfile-parse-in-memory): writer must not access/write to the file system before
 		 * being sure that the entire profile can be written and all circumstances are good to
@@ -125,10 +126,10 @@ cert_writer (NMConnection *connection,
 		if (success) {
 			/* Write the path value to the keyfile.
 			 * We know, that basename(new_path) starts with a UUID, hence no conflict with "data:;base64,"  */
-			nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->vtable->setting_key, strrchr (new_path, '/') + 1);
+			nm_keyfile_plugin_kf_set_string (file, setting_name, vtable->setting_key, strrchr (new_path, '/') + 1);
 		} else {
 			nm_log_warn (LOGD_SETTINGS, "keyfile: %s.%s: failed to write certificate to file %s: %s",
-			             setting_name, cert_data->vtable->setting_key, new_path, local->message);
+			             setting_name, vtable->setting_key, new_path, local->message);
 			g_error_free (local);
 		}
 		g_free (new_path);
@@ -146,15 +147,17 @@ cert_writer (NMConnection *connection,
 static gboolean
 _handler_write (NMConnection *connection,
                 GKeyFile *keyfile,
-                NMKeyfileWriteType type,
+                NMKeyfileHandlerType type,
-                void *type_data,
+                NMKeyfileHandlerData *type_data,
-                void *user_data,
+                void *user_data)
-                GError **error)
 {
-	if (type == NM_KEYFILE_WRITE_TYPE_CERT) {
+	if (type == NM_KEYFILE_HANDLER_TYPE_WRITE_CERT) {
-		cert_writer (connection, keyfile,
+		cert_writer (connection,
-		             (NMKeyfileWriteTypeDataCert *) type_data,
+		             keyfile,
-		             (WriteInfo *) user_data, error);
+		             NM_SETTING_802_1X (type_data->cur_setting),
+		             type_data->write_cert.vtable,
+		             user_data,
+		             type_data->p_error);
 		return TRUE;
 	}
 	return FALSE;
@@ -211,7 +214,7 @@ _internal_write_connection (NMConnection *connection,
 
 	info.keyfile_dir = keyfile_dir;
 
-	kf_file = nm_keyfile_write (connection, _handler_write, &info, error);
+	kf_file = nm_keyfile_write (connection, NM_KEYFILE_HANDLER_FLAGS_NONE, _handler_write, &info, error);
 	if (!kf_file)
 		return FALSE;