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mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2024-12-22 21:22:37 +01:00
iwd/src/main.c
2015-10-02 12:58:38 -05:00

257 lines
5.1 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
*
* 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 2.1 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <ell/ell.h>
#include "linux/nl80211.h"
#include "src/netdev.h"
#include "src/wiphy.h"
#include "src/kdbus.h"
#include "src/dbus.h"
#include "src/agent.h"
#include "src/network.h"
#include "src/eapol.h"
#include "src/scan.h"
#include "src/wsc.h"
static struct l_timeout *timeout = NULL;
static void main_loop_quit(struct l_timeout *timeout, void *user_data)
{
l_main_quit();
}
static void signal_handler(struct l_signal *signal, uint32_t signo,
void *user_data)
{
switch (signo) {
case SIGINT:
case SIGTERM:
l_info("Terminate");
agent_exit();
timeout = l_timeout_create(1, main_loop_quit, NULL, NULL);
break;
}
}
static void usage(void)
{
printf("iwd - Wireless daemon\n"
"Usage:\n");
printf("\tiwd [options]\n");
printf("Options:\n"
"\t-B, --dbus-debug Enable DBus debugging\n"
"\t-K, --kdbus Setup Kernel D-Bus\n"
"\t-h, --help Show help options\n");
}
static const struct option main_options[] = {
{ "kdbus", no_argument, NULL, 'K' },
{ "dbus-debug", no_argument, NULL, 'B' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ }
};
static void do_debug(const char *str, void *user_data)
{
const char *prefix = user_data;
l_info("%s%s", prefix, str);
}
static void nl80211_appeared(void *user_data)
{
struct l_genl_family *nl80211 = user_data;
l_debug("Found nl80211 interface");
if (!wiphy_init(nl80211))
l_error("Unable to init wiphy functionality");
if (!scan_init(nl80211))
l_error("Unable to init scan functionality");
if (!wsc_init(nl80211))
l_error("Unable to init WSC functionality");
}
static void nl80211_vanished(void *user_data)
{
l_debug("Lost nl80211 interface");
wsc_exit();
scan_exit();
wiphy_exit();
}
int main(int argc, char *argv[])
{
bool enable_kdbus = false;
bool enable_dbus_debug = false;
struct l_signal *signal;
sigset_t mask;
int exit_status;
struct l_genl *genl;
struct l_genl_family *nl80211;
for (;;) {
int opt;
opt = getopt_long(argc, argv, "KBvh", main_options, NULL);
if (opt < 0)
break;
switch (opt) {
case 'K':
enable_kdbus = true;
break;
case 'B':
enable_dbus_debug = true;
break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;
case 'h':
usage();
return EXIT_SUCCESS;
default:
return EXIT_FAILURE;
}
}
if (argc - optind > 0) {
fprintf(stderr, "Invalid command line parameters\n");
return EXIT_FAILURE;
}
sigemptyset(&mask);
sigaddset(&mask, SIGINT);
sigaddset(&mask, SIGTERM);
signal = l_signal_create(&mask, signal_handler, NULL, NULL);
l_log_set_stderr();
l_debug_enable("*");
l_info("Wireless daemon version %s", VERSION);
if (enable_kdbus) {
char *bus_name;
bool result;
if (!kdbus_create_bus()) {
exit_status = EXIT_FAILURE;
goto done;
}
bus_name = kdbus_lookup_bus();
if (!bus_name) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
l_debug("Bus location: %s", bus_name);
result = kdbus_open_bus(bus_name, "net.connman.iwd", "iwd");
l_free(bus_name);
if (!result) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
}
if (!dbus_init(enable_dbus_debug)) {
exit_status = EXIT_FAILURE;
goto fail_dbus;
}
genl = l_genl_new_default();
if (!genl) {
l_error("Failed to open generic netlink socket");
exit_status = EXIT_FAILURE;
goto fail_genl;
}
if (getenv("IWD_GENL_DEBUG"))
l_genl_set_debug(genl, do_debug, "[GENL] ", NULL);
if (!netdev_init()) {
exit_status = EXIT_FAILURE;
goto fail_netdev;
}
l_debug("Opening nl80211 interface");
nl80211 = l_genl_family_new(genl, NL80211_GENL_NAME);
if (!nl80211) {
l_error("Failed to open nl80211 interface");
exit_status = EXIT_FAILURE;
goto fail_nl80211;
}
l_genl_family_set_watches(nl80211, nl80211_appeared, nl80211_vanished,
nl80211, NULL);
eapol_init();
network_init();
exit_status = EXIT_SUCCESS;
l_main_run();
network_exit();
eapol_exit();
l_genl_family_unref(nl80211);
fail_nl80211:
netdev_exit();
fail_netdev:
l_genl_unref(genl);
fail_genl:
dbus_exit();
fail_dbus:
if (enable_kdbus)
kdbus_destroy_bus();
done:
l_signal_remove(signal);
l_timeout_remove(timeout);
return exit_status;
}