New upstream version 1.14.2 upstream/1.14.2

1 files changed, 139 insertions, 0 deletions

diff --git a/src/initrd/nm-initrd-generator.c b/src/initrd/nm-initrd-generator.c
new file mode 100644
index 00000000..eb9a38df
--- /dev/null
+++ b/src/initrd/nm-initrd-generator.c
@@ -0,0 +1,139 @@
+/* NetworkManager initrd configuration generator
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#include "nm-default.h"
+#include "nm-core-utils.h"
+#include "nm-core-internal.h"
+#include "nm-keyfile-internal.h"
+#include "nm-initrd-generator.h"
+#include "nm-utils/nm-io-utils.h"
+
+/*****************************************************************************/
+
+#define _NMLOG(level, domain, ...) \
+    nm_log ((level), (domain), NULL, NULL, \
+            "initrd-generator: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__) \
+            _NM_UTILS_MACRO_REST (__VA_ARGS__))
+
+/*****************************************************************************/
+
+static void
+output_conn (gpointer key, gpointer value, gpointer user_data)
+{
+	const char *basename = key;
+	NMConnection *connection = value;
+	char *connections_dir = user_data;
+	GKeyFile *file;
+	gs_free char *data = NULL;
+	GError *error = NULL;
+	gsize len;
+
+	if (!nm_connection_normalize (connection, NULL, NULL, &error)) {
+		g_print ("%s\n", error->message);
+		g_error_free (error);
+		return;
+	}
+
+	file = nm_keyfile_write (connection, NULL, NULL, &error);
+	if (file == NULL) {
+		g_print ("%s\n", error->message);
+		g_error_free (error);
+		return;
+	}
+
+	data = g_key_file_to_data (file, &len, &error);
+	if (!data) {
+		g_print ("%s\n", error->message);
+		g_error_free (error);
+	} else if (connections_dir) {
+		gs_free char *basename_w_ext = g_strconcat (basename, ".nmconnection", NULL);
+		char *filename = g_build_filename (connections_dir, basename_w_ext, NULL);
+
+		if (!nm_utils_file_set_contents (filename, data, len, 0600, &error)) {
+			g_print ("%s\n", error->message);
+			g_error_free (error);
+		}
+		g_free (filename);
+	} else {
+		g_print ("\n*** Connection '%s' ***\n\n%s\n", basename, data);
+	}
+
+	g_key_file_free (file);
+}
+
+#define DEFAULT_CONNECTIONS_DIR  NMRUNDIR "/system-connections"
+#define DEFAULT_SYSFS_DIR        "/sys"
+
+int
+main (int argc, char *argv[])
+{
+	GHashTable *connections;
+	gs_free char *connections_dir = NULL;
+	gs_free char *sysfs_dir = NULL;
+	gboolean dump_to_stdout = FALSE;
+	gs_strfreev char **remaining = NULL;
+	GOptionEntry option_entries[] = {
+		{ "connections-dir", 'c', 0, G_OPTION_ARG_FILENAME, &connections_dir, "Output connection directory", DEFAULT_CONNECTIONS_DIR },
+		{ "sysfs-dir", 'd', 0, G_OPTION_ARG_FILENAME, &sysfs_dir, "The sysfs mount point", DEFAULT_SYSFS_DIR },
+		{ "stdout", 's', 0, G_OPTION_ARG_NONE, &dump_to_stdout, "Dump connections to standard output", NULL },
+		{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_STRING_ARRAY, &remaining, NULL, NULL },
+		{ NULL }
+	};
+	GOptionContext *option_context;
+	GError *error = NULL;
+
+	option_context = g_option_context_new ("-- [ip=...] [rd.route=...] [bridge=...] [bond=...] [team=...] [vlan=...] "
+	                                       "[bootdev=...] [nameserver=...] [rd.peerdns=...] [rd.bootif=...] [BOOTIF=...] ... ");
+
+	g_option_context_set_summary (option_context, "Generate early NetworkManager configuration.");
+	g_option_context_set_description (option_context,
+		"This tool scans the command line for options relevant to network\n"
+		"configuration and creates configuration files for an early instance\n"
+		"of NetworkManager run from the initial ramdisk during early boot.");
+	g_option_context_add_main_entries (option_context, option_entries, GETTEXT_PACKAGE);
+
+	if (!g_option_context_parse (option_context, &argc, &argv, &error)) {
+		_LOGW (LOGD_CORE, "%s\n", error->message);
+		return 1;
+	}
+
+	if (!remaining) {
+		/* No arguments, no networking. Don't bother. */
+		return 0;
+	}
+
+	if (!connections_dir)
+		connections_dir = g_strdup (DEFAULT_CONNECTIONS_DIR);
+	if (!sysfs_dir)
+		sysfs_dir = g_strdup (DEFAULT_SYSFS_DIR);
+	if (dump_to_stdout)
+		g_clear_pointer (&connections_dir, g_free);
+
+	if (connections_dir && g_mkdir_with_parents (connections_dir, 0755) != 0) {
+		_LOGW (LOGD_CORE, "%s: %s\n", connections_dir, strerror (errno));
+		return 1;
+	}
+
+	connections = nmi_cmdline_reader_parse (sysfs_dir, remaining);
+	g_hash_table_foreach (connections, output_conn, connections_dir);
+	g_hash_table_destroy (connections);
+
+	return 0;
+}