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source: rtems-libbsd/freebsd/contrib/wpa/wpa_supplicant/main.c @ 9c9d11b

55-freebsd-126-freebsd-12

Last change on this file since 9c9d11b was 9c9d11b, checked in by Sichen Zhao <1473996754@…>, on 08/01/17 at 12:43:41
Import wpa from FreeBSD
Property mode set to `100644`
File size: 8.7 KB

Rev	Line
[9c9d11b]	1	#include <machine/rtems-bsd-user-space.h>
	2
	3	/*
	4	* WPA Supplicant / main() function for UNIX like OSes and MinGW
	5	* Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
	6	*
	7	* This software may be distributed under the terms of the BSD license.
	8	* See README for more details.
	9	*/
	10
	11	#include "includes.h"
	12	#ifdef __linux__
	13	#include <fcntl.h>
	14	#endif /* __linux__ */
	15
	16	#include "common.h"
	17	#include "fst/fst.h"
	18	#include "wpa_supplicant_i.h"
	19	#include "driver_i.h"
	20	#include "p2p_supplicant.h"
	21
	22
	23	static void usage(void)
	24	{
	25	int i;
	26	printf("%s\n\n%s\n"
	27	"usage:\n"
	28	" wpa_supplicant [-BddhKLqq"
	29	#ifdef CONFIG_DEBUG_SYSLOG
	30	"s"
	31	#endif /* CONFIG_DEBUG_SYSLOG */
	32	"t"
	33	#ifdef CONFIG_DBUS
	34	"u"
	35	#endif /* CONFIG_DBUS */
	36	"vW] [-P<pid file>] "
	37	"[-g<global ctrl>] \\\n"
	38	" [-G<group>] \\\n"
	39	" -i<ifname> -c<config file> [-C<ctrl>] [-D<driver>] "
	40	"[-p<driver_param>] \\\n"
	41	" [-b<br_ifname>] [-e<entropy file>]"
	42	#ifdef CONFIG_DEBUG_FILE
	43	" [-f<debug file>]"
	44	#endif /* CONFIG_DEBUG_FILE */
	45	" \\\n"
	46	" [-o<override driver>] [-O<override ctrl>] \\\n"
	47	" [-N -i<ifname> -c<conf> [-C<ctrl>] "
	48	"[-D<driver>] \\\n"
	49	#ifdef CONFIG_P2P
	50	" [-m<P2P Device config file>] \\\n"
	51	#endif /* CONFIG_P2P */
	52	" [-p<driver_param>] [-b<br_ifname>] [-I<config file>] "
	53	"...]\n"
	54	"\n"
	55	"drivers:\n",
	56	wpa_supplicant_version, wpa_supplicant_license);
	57
	58	for (i = 0; wpa_drivers[i]; i++) {
	59	printf(" %s = %s\n",
	60	wpa_drivers[i]->name,
	61	wpa_drivers[i]->desc);
	62	}
	63
	64	#ifndef CONFIG_NO_STDOUT_DEBUG
	65	printf("options:\n"
	66	" -b = optional bridge interface name\n"
	67	" -B = run daemon in the background\n"
	68	" -c = Configuration file\n"
	69	" -C = ctrl_interface parameter (only used if -c is not)\n"
	70	" -i = interface name\n"
	71	" -I = additional configuration file\n"
	72	" -d = increase debugging verbosity (-dd even more)\n"
	73	" -D = driver name (can be multiple drivers: nl80211,wext)\n"
	74	" -e = entropy file\n");
	75	#ifdef CONFIG_DEBUG_FILE
	76	printf(" -f = log output to debug file instead of stdout\n");
	77	#endif /* CONFIG_DEBUG_FILE */
	78	printf(" -g = global ctrl_interface\n"
	79	" -G = global ctrl_interface group\n"
	80	" -K = include keys (passwords, etc.) in debug output\n");
	81	#ifdef CONFIG_DEBUG_SYSLOG
	82	printf(" -s = log output to syslog instead of stdout\n");
	83	#endif /* CONFIG_DEBUG_SYSLOG */
	84	#ifdef CONFIG_DEBUG_LINUX_TRACING
	85	printf(" -T = record to Linux tracing in addition to logging\n");
	86	printf(" (records all messages regardless of debug verbosity)\n");
	87	#endif /* CONFIG_DEBUG_LINUX_TRACING */
	88	printf(" -t = include timestamp in debug messages\n"
	89	" -h = show this help text\n"
	90	" -L = show license (BSD)\n"
	91	" -o = override driver parameter for new interfaces\n"
	92	" -O = override ctrl_interface parameter for new interfaces\n"
	93	" -p = driver parameters\n"
	94	" -P = PID file\n"
	95	" -q = decrease debugging verbosity (-qq even less)\n");
	96	#ifdef CONFIG_DBUS
	97	printf(" -u = enable DBus control interface\n");
	98	#endif /* CONFIG_DBUS */
	99	printf(" -v = show version\n"
	100	" -W = wait for a control interface monitor before starting\n"
	101	#ifdef CONFIG_P2P
	102	" -m = Configuration file for the P2P Device interface\n"
	103	#endif /* CONFIG_P2P */
	104	" -N = start describing new interface\n");
	105
	106	printf("example:\n"
	107	" wpa_supplicant -D%s -iwlan0 -c/etc/wpa_supplicant.conf\n",
	108	wpa_drivers[0] ? wpa_drivers[0]->name : "nl80211");
	109	#endif /* CONFIG_NO_STDOUT_DEBUG */
	110	}
	111
	112
	113	static void license(void)
	114	{
	115	#ifndef CONFIG_NO_STDOUT_DEBUG
	116	printf("%s\n\n%s%s%s%s%s\n",
	117	wpa_supplicant_version,
	118	wpa_supplicant_full_license1,
	119	wpa_supplicant_full_license2,
	120	wpa_supplicant_full_license3,
	121	wpa_supplicant_full_license4,
	122	wpa_supplicant_full_license5);
	123	#endif /* CONFIG_NO_STDOUT_DEBUG */
	124	}
	125
	126
	127	static void wpa_supplicant_fd_workaround(int start)
	128	{
	129	#ifdef __linux__
	130	static int fd[3] = { -1, -1, -1 };
	131	int i;
	132	/* When started from pcmcia-cs scripts, wpa_supplicant might start with
	133	* fd 0, 1, and 2 closed. This will cause some issues because many
	134	* places in wpa_supplicant are still printing out to stdout. As a
	135	* workaround, make sure that fd's 0, 1, and 2 are not used for other
	136	* sockets. */
	137	if (start) {
	138	for (i = 0; i < 3; i++) {
	139	fd[i] = open("/dev/null", O_RDWR);
	140	if (fd[i] > 2) {
	141	close(fd[i]);
	142	fd[i] = -1;
	143	break;
	144	}
	145	}
	146	} else {
	147	for (i = 0; i < 3; i++) {
	148	if (fd[i] >= 0) {
	149	close(fd[i]);
	150	fd[i] = -1;
	151	}
	152	}
	153	}
	154	#endif /* __linux__ */
	155	}
	156
	157
	158	int main(int argc, char *argv[])
	159	{
	160	int c, i;
	161	struct wpa_interface ifaces, iface;
	162	int iface_count, exitcode = -1;
	163	struct wpa_params params;
	164	struct wpa_global *global;
	165
	166	if (os_program_init())
	167	return -1;
	168
	169	os_memset(&params, 0, sizeof(params));
	170	params.wpa_debug_level = MSG_INFO;
	171
	172	iface = ifaces = os_zalloc(sizeof(struct wpa_interface));
	173	if (ifaces == NULL)
	174	return -1;
	175	iface_count = 1;
	176
	177	wpa_supplicant_fd_workaround(1);
	178
	179	for (;;) {
	180	c = getopt(argc, argv,
	181	"b:Bc:C:D:de:f:g:G:hi:I:KLm:No:O:p:P:qsTtuvW");
	182	if (c < 0)
	183	break;
	184	switch (c) {
	185	case 'b':
	186	iface->bridge_ifname = optarg;
	187	break;
	188	case 'B':
	189	params.daemonize++;
	190	break;
	191	case 'c':
	192	iface->confname = optarg;
	193	break;
	194	case 'C':
	195	iface->ctrl_interface = optarg;
	196	break;
	197	case 'D':
	198	iface->driver = optarg;
	199	break;
	200	case 'd':
	201	#ifdef CONFIG_NO_STDOUT_DEBUG
	202	printf("Debugging disabled with "
	203	"CONFIG_NO_STDOUT_DEBUG=y build time "
	204	"option.\n");
	205	goto out;
	206	#else /* CONFIG_NO_STDOUT_DEBUG */
	207	params.wpa_debug_level--;
	208	break;
	209	#endif /* CONFIG_NO_STDOUT_DEBUG */
	210	case 'e':
	211	params.entropy_file = optarg;
	212	break;
	213	#ifdef CONFIG_DEBUG_FILE
	214	case 'f':
	215	params.wpa_debug_file_path = optarg;
	216	break;
	217	#endif /* CONFIG_DEBUG_FILE */
	218	case 'g':
	219	params.ctrl_interface = optarg;
	220	break;
	221	case 'G':
	222	params.ctrl_interface_group = optarg;
	223	break;
	224	case 'h':
	225	usage();
	226	exitcode = 0;
	227	goto out;
	228	case 'i':
	229	iface->ifname = optarg;
	230	break;
	231	case 'I':
	232	iface->confanother = optarg;
	233	break;
	234	case 'K':
	235	params.wpa_debug_show_keys++;
	236	break;
	237	case 'L':
	238	license();
	239	exitcode = 0;
	240	goto out;
	241	#ifdef CONFIG_P2P
	242	case 'm':
	243	params.conf_p2p_dev = optarg;
	244	break;
	245	#endif /* CONFIG_P2P */
	246	case 'o':
	247	params.override_driver = optarg;
	248	break;
	249	case 'O':
	250	params.override_ctrl_interface = optarg;
	251	break;
	252	case 'p':
	253	iface->driver_param = optarg;
	254	break;
	255	case 'P':
	256	os_free(params.pid_file);
	257	params.pid_file = os_rel2abs_path(optarg);
	258	break;
	259	case 'q':
	260	params.wpa_debug_level++;
	261	break;
	262	#ifdef CONFIG_DEBUG_SYSLOG
	263	case 's':
	264	params.wpa_debug_syslog++;
	265	break;
	266	#endif /* CONFIG_DEBUG_SYSLOG */
	267	#ifdef CONFIG_DEBUG_LINUX_TRACING
	268	case 'T':
	269	params.wpa_debug_tracing++;
	270	break;
	271	#endif /* CONFIG_DEBUG_LINUX_TRACING */
	272	case 't':
	273	params.wpa_debug_timestamp++;
	274	break;
	275	#ifdef CONFIG_DBUS
	276	case 'u':
	277	params.dbus_ctrl_interface = 1;
	278	break;
	279	#endif /* CONFIG_DBUS */
	280	case 'v':
	281	printf("%s\n", wpa_supplicant_version);
	282	exitcode = 0;
	283	goto out;
	284	case 'W':
	285	params.wait_for_monitor++;
	286	break;
	287	case 'N':
	288	iface_count++;
	289	iface = os_realloc_array(ifaces, iface_count,
	290	sizeof(struct wpa_interface));
	291	if (iface == NULL)
	292	goto out;
	293	ifaces = iface;
	294	iface = &ifaces[iface_count - 1];
	295	os_memset(iface, 0, sizeof(*iface));
	296	break;
	297	default:
	298	usage();
	299	exitcode = 0;
	300	goto out;
	301	}
	302	}
	303
	304	exitcode = 0;
	305	global = wpa_supplicant_init(&params);
	306	if (global == NULL) {
	307	wpa_printf(MSG_ERROR, "Failed to initialize wpa_supplicant");
	308	exitcode = -1;
	309	goto out;
	310	} else {
	311	wpa_printf(MSG_INFO, "Successfully initialized "
	312	"wpa_supplicant");
	313	}
	314
	315	if (fst_global_init()) {
	316	wpa_printf(MSG_ERROR, "Failed to initialize FST");
	317	exitcode = -1;
	318	goto out;
	319	}
	320
	321	#if defined(CONFIG_FST) && defined(CONFIG_CTRL_IFACE)
	322	if (!fst_global_add_ctrl(fst_ctrl_cli))
	323	wpa_printf(MSG_WARNING, "Failed to add CLI FST ctrl");
	324	#endif
	325
	326	for (i = 0; exitcode == 0 && i < iface_count; i++) {
	327	struct wpa_supplicant *wpa_s;
	328
	329	if ((ifaces[i].confname == NULL &&
	330	ifaces[i].ctrl_interface == NULL) \|\|
	331	ifaces[i].ifname == NULL) {
	332	if (iface_count == 1 && (params.ctrl_interface \|\|
	333	params.dbus_ctrl_interface))
	334	break;
	335	usage();
	336	exitcode = -1;
	337	break;
	338	}
	339	wpa_s = wpa_supplicant_add_iface(global, &ifaces[i], NULL);
	340	if (wpa_s == NULL) {
	341	exitcode = -1;
	342	break;
	343	}
	344	}
	345
	346	if (exitcode == 0)
	347	exitcode = wpa_supplicant_run(global);
	348
	349	wpa_supplicant_deinit(global);
	350
	351	fst_global_deinit();
	352
	353	out:
	354	wpa_supplicant_fd_workaround(0);
	355	os_free(ifaces);
	356	os_free(params.pid_file);
	357
	358	os_program_deinit();
	359
	360	return exitcode;
	361	}

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