Add tool for standalone dhclient testing

3 files changed, 268 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index e46f5aa7..5ec713da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,6 +47,7 @@ tools/resolv-test
 tools/polkit-test
 tools/portal-test
 tools/iptables-test
+tools/dhclient-test
 tools/supplicant-test
 tools/dbus-test
 doc/*.bak
diff --git a/Makefile.am b/Makefile.am
index 50d80de7..68f5c115 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -124,7 +124,7 @@ if TOOLS
 noinst_PROGRAMS += tools/wifi-scan tools/supplicant-test tools/dhcp-test \
 			tools/addr-test tools/tap-test tools/resolv-test \
 			tools/dbus-test tools/polkit-test tools/portal-test \
-							tools/iptables-test
+			tools/iptables-test tools/dhclient-test
 
 tools_wifi_scan_LDADD = @GLIB_LIBS@ @NETLINK_LIBS@
 
@@ -147,6 +147,9 @@ tools_polkit_test_LDADD = @DBUS_LIBS@
 tools_portal_test_LDADD = @GLIB_LIBS@
 
 tools_iptables_test_LDADD = @IPTC_LIBS@ -lip4tc -lxtables
+
+tools_dhclient_test_SOURCES = $(gdbus_sources) tools/dhclient-test.c
+tools_dhclient_test_LDADD = @GLIB_LIBS@ @DBUS_LIBS@
 endif
 
 test_scripts = test/get-state test/list-profiles test/list-services \
diff --git a/tools/dhclient-test.c b/tools/dhclient-test.c
new file mode 100644
index 00000000..a1bdf3c8
--- /dev/null
+++ b/tools/dhclient-test.c
@@ -0,0 +1,263 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+
+#include <gdbus.h>
+
+#define INTERFACE "isc.dhclient"
+#define PATH "/dhclient"
+
+static GTimer *timer;
+
+static GMainLoop *main_loop;
+
+static guint child_watch = 0;
+static pid_t pid = 0;
+
+static void sig_term(int sig)
+{
+	g_main_loop_quit(main_loop);
+}
+
+static void free_pointer(gpointer data, gpointer user_data)
+{
+	g_free(data);
+}
+
+static void dhclient_died(GPid pid, gint status, gpointer user_data)
+{
+	if (WIFEXITED(status))
+		printf("exit status %d\n", WEXITSTATUS(status));
+	else
+		printf("signal %d\n", WTERMSIG(status));
+
+	g_spawn_close_pid(pid);
+
+	child_watch = 0;
+}
+
+static void dhclient_setup(gpointer user_data)
+{
+	printf("dhclient process setup\n");
+}
+
+static void add_argument(GPtrArray *array, const char *name,
+						const char *format, ...)
+{
+	va_list ap;
+	char *str;
+
+	str = g_strdup(name);
+	g_ptr_array_add(array, str);
+
+	va_start(ap, format);
+
+	if (format != NULL) {
+		str = g_strdup_vprintf(format, ap);
+		g_ptr_array_add(array, str);
+	}
+
+	va_end(ap);
+}
+
+static void start_dhclient(DBusConnection *conn, const char *ifname)
+{
+	GSpawnFlags flags = G_SPAWN_DO_NOT_REAP_CHILD;
+	GPtrArray *argv;
+	GPtrArray *envp;
+	gboolean result;
+	const char *busname;
+
+	busname = dbus_bus_get_unique_name(conn);
+	busname = "org.moblin.connman";
+
+	argv = g_ptr_array_new();
+	add_argument(argv, DHCLIENT, NULL);
+	add_argument(argv, "-d", NULL);
+	add_argument(argv, "-q", NULL);
+	add_argument(argv, "-e", "BUSNAME=%s", busname);
+	add_argument(argv, "-e", "BUSINTF=%s", INTERFACE);
+	add_argument(argv, "-e", "BUSPATH=%s", PATH);
+	add_argument(argv, "-pf", "%s/dhclient.%s.pid", STATEDIR, ifname);
+	add_argument(argv, "-lf", "%s/dhclient.%s.leases", STATEDIR, ifname);
+	add_argument(argv, "-cf", "%s/dhclient.conf", SCRIPTDIR);
+	add_argument(argv, "-sf", "%s/dhclient-script", SCRIPTDIR);
+	add_argument(argv, ifname, NULL);
+	add_argument(argv, "-n", NULL);
+	g_ptr_array_add(argv, NULL);
+
+	envp = g_ptr_array_new();
+	g_ptr_array_add(envp, NULL);
+
+	result = g_spawn_async_with_pipes(NULL, (char **) argv->pdata,
+						(char **) envp->pdata,
+						flags, dhclient_setup, NULL,
+						&pid, NULL, NULL, NULL, NULL);
+
+	child_watch = g_child_watch_add(pid, dhclient_died, NULL);
+
+	g_ptr_array_foreach(envp, free_pointer, NULL);
+	g_ptr_array_free(envp, TRUE);
+
+	g_ptr_array_foreach(argv, free_pointer, NULL);
+	g_ptr_array_free(argv, TRUE);
+}
+
+static void parse_notification(DBusMessage *msg)
+{
+	DBusMessageIter iter, dict;
+	dbus_uint32_t pid;
+	gdouble elapsed;
+	const char *text, *key, *value;
+
+	dbus_message_iter_init(msg, &iter);
+
+	dbus_message_iter_get_basic(&iter, &pid);
+	dbus_message_iter_next(&iter);
+
+	dbus_message_iter_get_basic(&iter, &text);
+	dbus_message_iter_next(&iter);
+
+	printf("change %d to %s\n", pid, text);
+
+	dbus_message_iter_recurse(&iter, &dict);
+
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		dbus_message_iter_get_basic(&entry, &key);
+		dbus_message_iter_next(&entry);
+		dbus_message_iter_get_basic(&entry, &value);
+
+		printf("%s = %s\n", key, value);
+
+		dbus_message_iter_next(&dict);
+	}
+
+	if (g_strcmp0(text, "PREINIT") == 0)
+		return;
+
+	elapsed = g_timer_elapsed(timer, NULL);
+
+	g_print("elapsed %f seconds\n", elapsed);
+
+	g_main_loop_quit(main_loop);
+}
+
+static DBusHandlerResult notify_filter(DBusConnection *conn,
+					DBusMessage *msg, void *user_data)
+{
+	if (dbus_message_get_type(msg) != DBUS_MESSAGE_TYPE_METHOD_CALL)
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	if (dbus_message_has_interface(msg, INTERFACE) == FALSE)
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	if (dbus_message_has_path(msg, PATH) == FALSE)
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	if (dbus_message_has_member(msg, "Notify") == FALSE)
+		return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+	parse_notification(msg);
+
+	return DBUS_HANDLER_RESULT_HANDLED;
+}
+
+static const char *notify_rule = "type=method_call"
+					",interface=" INTERFACE;
+
+int main(int argc, char *argv[])
+{
+	DBusConnection *conn;
+	DBusError err;
+	struct sigaction sa;
+	const char *ifname;
+
+	if (argc < 2) {
+		printf("Usage: dhclient-test <interface name>\n");
+		exit(0);
+	}
+
+	ifname = argv[1];
+
+	printf("Create DHCP client for interface %s\n", ifname);
+
+	main_loop = g_main_loop_new(NULL, FALSE);
+
+	dbus_error_init(&err);
+
+	conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, "org.moblin.connman", &err);
+	if (conn == NULL) {
+		if (dbus_error_is_set(&err) == TRUE) {
+			fprintf(stderr, "%s\n", err.message);
+			dbus_error_free(&err);
+		} else
+			fprintf(stderr, "Can't register with system bus\n");
+		exit(1);
+	}
+
+	dbus_connection_add_filter(conn, notify_filter, NULL, NULL);
+
+	dbus_bus_add_match(conn, notify_rule, NULL);
+	dbus_connection_flush(conn);
+
+	printf("Start DHCP operation\n");
+
+	timer = g_timer_new();
+
+	start_dhclient(conn, ifname);
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = sig_term;
+	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGTERM, &sa, NULL);
+
+	g_main_loop_run(main_loop);
+
+	if (pid > 0)
+		kill(pid, SIGTERM);
+
+	if (child_watch > 0)
+		g_source_remove(child_watch);
+
+	g_timer_destroy(timer);
+
+	dbus_bus_remove_match(conn, notify_rule, NULL);
+	dbus_connection_flush(conn);
+
+	dbus_connection_remove_filter(conn, notify_filter, NULL);
+
+	dbus_connection_unref(conn);
+
+	g_main_loop_unref(main_loop);
+
+	return 0;
+}