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source: src/router/services/services/wpa.c @ 12465

Last change on this file since 12465 was 12465, checked in by eko, 4 years ago
fix for radio state
File size: 19.7 KB

Line
1	/*
2	* wpa.c
3	*
4	* Copyright (C) 2007 Sebastian Gottschall <gottschall@dd-wrt.com>
5	*
6	* This program is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU General Public License
8	* as published by the Free Software Foundation; either version 2
9	* of the License.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19	*
20	* $Id:
21	*/
22	#ifdef HAVE_NAS
23
24	#include <unistd.h>
25	#include <string.h>
26	#include <stdio.h>
27	#include <stdlib.h>
28	#include <sys/types.h>
29	#include <bcmnvram.h>
30	#include <shutils.h>
31	#include <nvparse.h>
32	#include "snmp.h"
33	#include <signal.h>
34	#include <utils.h>
35	#include <syslog.h>
36	#include <wlutils.h>
37	#include <bcmutils.h>
38
39	void start_nas_notify(char *ifname)
40	{
41	char *argv[] = { "nas4not", "lan", ifname, "up",
42	NULL, /* role */
43	NULL, /* crypto */
44	NULL, /* auth */
45	NULL, /* passphrase */
46	NULL, /* ssid */
47	NULL
48	};
49	char *str = NULL;
50	char tmp[100], prefix[] = "wlXXXXXXXXXX_", pidfile[] =
51	"/tmp/nas.wlXXXXXXXlan.pid";
52	int unit;
53	char remote[ETHER_ADDR_LEN];
54	char ssid[48], pass[80], auth[16], crypto[16], role[8];
55	int i;
56
57	/*
58	* the wireless interface must be configured to run NAS
59	*/
60	wl_ioctl(ifname, WLC_GET_INSTANCE, &unit, sizeof(unit));
61	snprintf(prefix, sizeof(prefix), "wl%d_", unit);
62	snprintf(pidfile, sizeof(pidfile), "/tmp/nas.wl%dlan.pid", unit);
63
64	if (!(str = file2str(pidfile))) // no pidfile means no nas was run (required)
65	{
66	return;
67	}
68	free(str);
69	sleep(3);
70	/*
71	* find WDS link configuration
72	*/
73	wl_ioctl(ifname, WLC_WDS_GET_REMOTE_HWADDR, remote, ETHER_ADDR_LEN);
74	for (i = 0; i < MAX_NVPARSE; i++) {
75	char mac[ETHER_ADDR_STR_LEN];
76	uint8 ea[ETHER_ADDR_LEN];
77
78	if (get_wds_wsec(unit, i, mac, role, crypto, auth, ssid, pass)
79	&& ether_atoe(mac, ea)
80	&& !bcmp(ea, remote, ETHER_ADDR_LEN)) {
81	argv[4] = role;
82	argv[5] = crypto;
83	argv[6] = auth;
84	argv[7] = pass;
85	argv[8] = ssid;
86	break;
87	}
88	}
89
90	/*
91	* did not find WDS link configuration, use wireless'
92	*/
93	if (i == MAX_NVPARSE) {
94	/*
95	* role
96	*/
97	argv[4] = "auto";
98	/*
99	* crypto
100	*/
101	argv[5] = nvram_safe_get(strcat_r(prefix, "crypto", tmp));
102	/*
103	* auth mode
104	*/
105	argv[6] = nvram_safe_get(strcat_r(prefix, "akm", tmp));
106	/*
107	* passphrase
108	*/
109	argv[7] = nvram_safe_get(strcat_r(prefix, "wpa_psk", tmp));
110	/*
111	* ssid
112	*/
113	argv[8] = nvram_safe_get(strcat_r(prefix, "ssid", tmp));
114	}
115	int pid;
116
117	_evalpid(argv, ">/dev/console", 0, &pid);
118	}
119
120	void start_radius(char *prefix)
121	{
122
123	// wrt-radauth $IFNAME $server $port $share $override $mackey $maxun &
124
125	if (nvram_nmatch("1", "%s_radauth", prefix)
126	&& nvram_nmatch("ap", "%s_mode", prefix)) {
127	char *server = nvram_nget("%s_radius_ipaddr", prefix);
128	char *port = nvram_nget("%s_radius_port", prefix);
129	char *share = nvram_nget("%s_radius_key", prefix);
130	char *ifname = nvram_nget("%s_ifname", prefix);
131	char type[32];
132
133	sprintf(type, "%s_radmactype", prefix);
134	char *pragma = "";
135
136	if (nvram_default_match(type, "0", "0"))
137	pragma = "-n1 ";
138	if (nvram_match(type, "1"))
139	pragma = "-n2 ";
140	if (nvram_match(type, "2"))
141	pragma = "-n3 ";
142	if (nvram_match(type, "3"))
143	pragma = "";
144	sleep(1); // some delay is usefull
145	sysprintf("wrt-radauth %s %s %s %s %s %s %s %s &", pragma,
146	ifname, server, port, share,
147	nvram_nget("%s_radius_override", prefix),
148	nvram_nget("%s_radmacpassword", prefix),
149	nvram_nget("%s_max_unauth_users", prefix));
150	}
151
152	}
153
154	void start_nas_single(char type, char prefix);
155
156	// #define HAVE_NASCONF //use this to parse nas parameters from conf file.
157
158	static void convert_wds(int instance)
159	{
160	char wds_mac[254];
161	char buf[254];
162
163	if (nvram_nmatch("", "wl%d_wds", instance)) // For Router, accept
164	// all WDS link
165	strcpy(wds_mac, "*");
166	else // For AP, assign remote WDS MAC
167	strcpy(wds_mac, nvram_nget("wl%d_wds", instance));
168
169	/*
170	* For WPA-PSK mode, we want to convert wl_wds_mac to wl0_wds0 ...
171	* wl0_wds255
172	*/
173	if (nvram_nmatch("psk", "wl%d_security_mode", instance)
174	\|\| nvram_nmatch("psk2", "wl%d_security_mode", instance)) {
175	int i = 0;
176	int j;
177	char mac[254];
178	char *next;
179
180	foreach(mac, wds_mac, next) {
181	snprintf(buf, sizeof(buf), "%s,auto,%s,%s,%s,%s",
182	mac,
183	nvram_nget("wl%d_crypto", instance),
184	nvram_nget("wl%d_security_mode", instance),
185	nvram_nget("wl%d_ssid", instance),
186	nvram_nget("wl%d_wpa_psk", instance));
187	nvram_nset(buf, "wl%d_wds%d", instance, i);
188	i++;
189	}
190
191	/*
192	* Del unused entry
193	*/
194	for (j = i; j < MAX_NVPARSE; j++)
195	del_wds_wsec(instance, j);
196	}
197	}
198
199	void start_guest_nas(void)
200	{
201
202	/*
203	* char unbridged_interfaces; char next; char name[IFNAMSIZ],
204	* lan[IFNAMSIZ]; int index;
205	*
206	* unbridged_interfaces = nvram_get("unbridged_ifnames");
207	*
208	* if (unbridged_interfaces) foreach(name,unbridged_interfaces,next){
209	* index = get_ipconfig_index(name); if (index < 0) continue;
210	* snprintf(lan,sizeof(lan),"lan%d",index); start_nas(lan); }
211	*/
212	return;
213	}
214
215	char getSecMode(char prefix)
216	{
217	char wep[32];
218	char crypto[32];
219
220	sprintf(wep, "%s_wep", prefix);
221	sprintf(crypto, "%s_crypto", prefix);
222	/*
223	* BugBug - should we bail when mode is wep ?
224	*/
225	if (nvram_match(wep, "wep") \|\| nvram_match(wep, "on")
226	\|\| nvram_match(wep, "restricted") \|\| nvram_match(wep, "enabled"))
227	return "1";
228	else if (nvram_match(crypto, "tkip"))
229	return "2";
230	else if (nvram_match(crypto, "aes"))
231	return "4";
232	else if (nvram_match(crypto, "tkip+aes"))
233	return "6";
234	else
235	return "0";
236	}
237
238	char getAuthMode(char prefix)
239	{
240	char akm[32];
241
242	sprintf(akm, "%s_akm", prefix);
243	if (strlen(nvram_safe_get(akm)) == 0 \|\| nvram_match(akm, "disabled")
244	\|\| nvram_match(akm, "wep"))
245	return NULL;
246	if (nvram_match(akm, "radius"))
247	return "32";
248	else if (nvram_match(akm, "wpa"))
249	return "2";
250	else if (nvram_match(akm, "psk"))
251	return "4";
252	else if (nvram_match(akm, "psk2"))
253	return "128";
254	else if (nvram_match(akm, "psk psk2"))
255	return "132";
256	else if (nvram_match(akm, "wpa2"))
257	return "64";
258	else if (nvram_match(akm, "wpa wpa2"))
259	return "66";
260	else
261	return "255";
262	}
263
264	char getKey(char prefix)
265	{
266	char akm[32];
267
268	sprintf(akm, "%s_akm", prefix);
269	if (nvram_match(akm, "wpa") \|\| nvram_match(akm, "radius")
270	\|\| nvram_match(akm, "wpa2") \|\| nvram_match(akm, "wpa wpa2"))
271	return nvram_nget("%s_radius_key", prefix);
272	else if (nvram_match(akm, "psk") \|\| nvram_match(akm, "psk2")
273	\|\| nvram_match(akm, "psk psk2"))
274	return nvram_nget("%s_wpa_psk", prefix);
275	else
276	return "";
277	}
278
279	/*
280	* static void start_nas_ap(char prefix,char type) { char sec[32];
281	* sprintf(sec,"%s_security_mode",prefix); int i; for (i=0;i<strlen(sec);i++)
282	* if (sec[i]=='.')sec[i]='X';
283	*
284	* char *security_mode = nvram_safe_get (sec);
285	*
286	* if (strstr (security_mode, "psk") \|\| strstr (security_mode, "wpa")) { char
287	* auth[32]; sprintf(auth,"%s_auth",prefix); nvram_set (auth, "0"); }
288	* convert_wds ();
289	*
290	* if (!type \|\| !*type) { if (nvram_match ("wl0_mode", "ap")) type = "lan";
291	* else type = "wan"; }
292	*
293	* snprintf (cfgfile, sizeof (cfgfile), "/tmp/nas.%s.conf", type); snprintf
294	* (pidfile, sizeof (pidfile), "/tmp/nas.%s.pid", type);
295	*
296	* { char *argv[] = { "/usr/sbin/nas", cfgfile, pidfile, type, NULL }; pid_t
297	* pid;
298	*
299	* _eval (argv, NULL, 0, &pid); cprintf ("done\n"); } }
300	*/
301	void start_nas_lan(int c)
302	{
303	char wlname[32];
304
305	sprintf(wlname, "wl%d", c);
306	start_radius(wlname); // quick fix, should be vif capable in future
307	start_nas_single("lan", wlname);
308
309	char *next;
310	char var[80];
311	char *vifs = nvram_nget("wl%d_vifs", c);
312
313	if (strlen(vifs))
314	foreach(var, vifs, next) {
315	start_nas_single("lan", var);
316	}
317	}
318
319	void start_nas_wan(int c)
320	{
321	char wlname[32];
322
323	sprintf(wlname, "wl%d", c);
324	start_nas_single("wan", wlname);
325
326	char *next;
327	char var[80];
328	char vif[16];
329	char *vifs = nvram_nget("wl%d_vifs", c);
330
331	if (strlen(vifs))
332	foreach(var, vifs, next) {
333	sprintf(vif, "%s_mode", var);
334	if (nvram_match(vif, "sta")
335	\|\| nvram_match(vif, "wet")
336	\|\| nvram_match(vif, "apsta")
337	\|\| nvram_match(vif, "apstawet")) {
338	start_nas_single("wan", var);
339	} else {
340	start_nas_single("lan", var);
341	}
342	}
343	}
344
345	#ifdef HAVE_WPA_SUPPLICANT
346	extern void setupSupplicant(char *prefix);
347	#endif
348	void start_nas(void)
349	{
350	unlink("/tmp/.nas");
351
352	int cnt = get_wl_instances();
353	int c;
354	int deadcount;
355	int radiostate = -1;
356
357	for (c = 0; c < cnt; c++) {
358	if (nvram_nmatch("disabled", "wl%d_net_mode", c))
359	continue;
360
361	for (deadcount = 0; deadcount < 5; deadcount++) {
362	wl_ioctl(get_wl_instance_name(c), WLC_GET_RADIO, &radiostate, sizeof(int));
363	if ((radiostate & WL_RADIO_SW_DISABLE) == 0) //radio turned on - ready
364	break;
365	sleep (1);
366	}
367
368	if ((radiostate & WL_RADIO_SW_DISABLE) != 0) // radio turned off
369	continue;
370	char wlname[32];
371
372	sprintf(wlname, "wl%d", c);
373	if (nvram_nmatch("sta", "wl%d_mode", c)
374	\|\| nvram_nmatch("wet", "wl%d_mode", c)
375	\|\| nvram_nmatch("apsta", "wl%d_mode", c)
376	\|\| nvram_nmatch("apstawet", "wl%d_mode", c)) {
377	cprintf("start nas wan\n");
378	#ifdef HAVE_WPA_SUPPLICANT
379	if (nvram_nmatch("8021X", "wl%d_akm", c)
380	&& nvram_nmatch("sta", "wl%d_mode", c))
381	setupSupplicant(wlname);
382	else
383	#endif
384	start_nas_wan(c);
385
386	} else {
387	cprintf("start nas lan\n");
388	start_nas_lan(c);
389
390	int s;
391
392	for (s = 1; s <= MAX_WDS_DEVS; s++) {
393	char *dev;
394
395	if (nvram_nmatch
396	("0", "wl%d_wds%d_enable", c, s))
397	continue;
398
399	dev = nvram_nget("wl%d_wds%d_if", c, s);
400
401	start_nas_notify(dev);
402	}
403
404	}
405	}
406
407	return;
408	}
409
410	void start_nas_single(char type, char prefix)
411	{
412	FILE *fnas;
413	#ifdef HAVE_NASCONF
414	char conffile[64];
415	FILE *conf;
416	#endif
417	char pidfile[64];
418	char auth_mode = "255"; / -m N = WPA authorization mode (N = 0:
419	* none, 1: 802.1x, 2: WPA PSK, 255:
420	* disabled) */
421	char sec_mode = { 0 }; / -w N = security mode bitmask (N = 1: WEP,
422	* 2: TKIP, 4: AES) */
423	char key = { 0 }, iface = {
424	0}, *mode = {
425	0};
426
427	if (!strcmp(prefix, "wl0"))
428	{
429	led_control(LED_SEC0, LED_OFF);
430	convert_wds(0);
431	}
432	if (!strcmp(prefix, "wl1"))
433	{
434	led_control(LED_SEC1, LED_OFF);
435	convert_wds(1);
436	}
437
438
439	snprintf(pidfile, sizeof(pidfile), "/tmp/nas.%s%s.pid", prefix,
440	type);
441	#ifdef HAVE_NASCONF
442	snprintf(conffile, sizeof(conffile), "/tmp/nas.%s%s.conf",
443	prefix, type);
444	#endif
445
446	char apmode[32];
447
448	sprintf(apmode, "%s_mode", prefix);
449	if (!strcmp(type, "wan") && nvram_match(apmode, "ap")) {
450	return;
451	}
452	// if (!strcmp (type, "lan"))
453	// iface = "br0";
454	// else
455
456	if (0 == type \|\| 0 == *type)
457	type = "lan";
458	if (!strcmp(type, "lan") && nvram_invmatch(apmode, "ap"))
459	iface = "br0";
460	else {
461
462	if (!strcmp(prefix, "wl0")) {
463	iface = get_wl_instance_name(0);
464	} else if (!strcmp(prefix, "wl1")) {
465	iface = get_wl_instance_name(1);
466	} else {
467	iface = prefix;
468	}
469	}
470
471	sec_mode = getSecMode(prefix);
472	auth_mode = getAuthMode(prefix);
473
474	if (strcmp(sec_mode, "0")) {
475	if (!strcmp(prefix, "wl0"))
476	led_control(LED_SEC0, LED_ON);
477	if (!strcmp(prefix, "wl1"))
478	led_control(LED_SEC1, LED_ON);
479	}
480
481	if (auth_mode == NULL)
482	return; // no nas required
483	if (strcmp(nvram_safe_get(apmode), "sta")
484	&& strcmp(nvram_safe_get(apmode), "wet")
485	&& strcmp(nvram_safe_get(apmode), "apstawet")
486	&& strcmp(nvram_safe_get(apmode), "apsta")) {
487	mode = "-A";
488	dd_syslog(LOG_INFO,
489	"NAS : NAS lan (%s interface) successfully started\n",
490	prefix);
491	fnas = fopen("/tmp/.nas", "a");
492	fputc('L', fnas); // L as LAN
493	fclose(fnas);
494	} else {
495	mode = "-S";
496	dd_syslog(LOG_INFO,
497	"NAS : NAS wan (%s interface) successfully started\n",
498	prefix);
499	fnas = fopen("/tmp/.nas", "a");
500	fputc('W', fnas); // W as WAN
501	fclose(fnas);
502	}
503
504	char rekey[32];
505	char ssid[32];
506	char radius[32];
507	char port[32];
508	char index[32];
509
510	sprintf(rekey, "%s_wpa_gtk_rekey", prefix);
511	sprintf(ssid, "%s_ssid", prefix);
512	sprintf(radius, "%s_radius_ipaddr", prefix);
513	sprintf(port, "%s_radius_port", prefix);
514	sprintf(index, "%s_key", prefix);
515
516	key = getKey(prefix);
517
518	{
519	// char *argv[] = {"nas", "-P", pidfile, "-l",
520	// nvram_safe_get("lan_ifname"), "-H", "34954", "-i", iface,
521	// mode, "-m", auth_mode, "-k", key, "-s",
522	// nvram_safe_get("wl0_ssid"), "-w", sec_mode, "-g",
523	// nvram_safe_get("wl0_wpa_gtk_rekey"), "-h",
524	// nvram_safe_get("wl0_radius_ipaddr"), "-p",
525	// nvram_safe_get("wl0_radius_port"), NULL};
526	pid_t pid;
527	FILE *fp = { 0 };
528	if (!strcmp(mode, "-S")) {
529	#ifndef HAVE_NASCONF
530	char **argv;
531
532	if (nvram_nmatch("wet", "%s_mode", prefix)
533	\|\| nvram_nmatch("apstawet", "%s_mode",
534	prefix)) {
535	argv = (char *[]) {
536	"nas", "-P", pidfile, "-H",
537	"34954", "-l",
538	getBridge(iface),
539	"-i", iface, mode,
540	"-m", auth_mode,
541	"-k", key, "-s",
542	nvram_safe_get
543	(ssid), "-w",
544	sec_mode, "-g",
545	nvram_safe_get
546	(rekey), NULL};
547	} else {
548	argv = (char *[]) {
549	"nas", "-P", pidfile, "-H",
550	"34954", "-i",
551	iface, mode, "-m",
552	auth_mode, "-k",
553	key, "-s",
554	nvram_safe_get
555	(ssid), "-w",
556	sec_mode, "-g",
557	nvram_safe_get
558	(rekey), NULL};
559
560	}
561	_evalpid(argv, NULL, 0, &pid);
562	#else
563	conf = fopen(conffile, "w");
564	fprintf(conf,
565	"-H 34954 -i %s %s -m %s -k %s -s %s -w %s -g %s\n",
566	iface, mode, auth_mode, key,
567	nvram_safe_get(ssid), sec_mode,
568	nvram_safe_get(rekey));
569	fclose(conf);
570	char *argv[] =
571	{ "nas", conffile, pidfile, "wan", NULL };
572	_evalpid(argv, NULL, 0, &pid);
573	#endif
574	} else {
575	if (!strcmp(auth_mode, "2")
576	\|\| !strcmp(auth_mode, "64")
577	\|\| !strcmp(auth_mode, "66")) {
578	#ifndef HAVE_NASCONF
579	if (nvram_nmatch
580	("0", "%s_bridged", iface)) {
581	char *argv[] =
582	{ "nas", "-P", pidfile,
583	"-H", "34954", "-i",
584	iface, mode,
585	"-m",
586	auth_mode, "-r", key,
587	"-s",
588	nvram_safe_get(ssid),
589	"-w",
590	sec_mode, "-g",
591	nvram_safe_get
592	(rekey), "-h",
593	nvram_safe_get(radius), "-p", nvram_safe_get(port), // "-t",
594	// //radius
595	// rekey
596	// time
597	NULL
598	};
599	_evalpid(argv, NULL, 0, &pid);
600	} else {
601	char *argv[] =
602	{ "nas", "-P", pidfile,
603	"-H", "34954", "-l",
604	getBridge(iface), "-i",
605	iface, mode, "-m",
606	auth_mode, "-r", key,
607	"-s",
608	nvram_safe_get(ssid),
609	"-w",
610	sec_mode, "-g",
611	nvram_safe_get
612	(rekey), "-h",
613	nvram_safe_get(radius), "-p", nvram_safe_get(port), // "-t",
614	// //radius
615	// rekey
616	// time
617	NULL
618	};
619	_evalpid(argv, NULL, 0, &pid);
620	}
621	#else
622	conf = fopen(conffile, "w");
623	fprintf(conf,
624	"-H 34954 -l %s -i %s %s -m %s -r %s -s %s -w %s -g %s -h %s -p %s\n",
625	getBridge(iface), iface, mode,
626	auth_mode, key,
627	nvram_safe_get(ssid), sec_mode,
628	nvram_safe_get(rekey),
629	nvram_safe_get(radius),
630	nvram_safe_get(port));
631	fclose(conf);
632	char *argv[] =
633	{ "nas", conffile, pidfile, "lan",
634	NULL
635	};
636	_evalpid(argv, NULL, 0, &pid);
637	#endif
638	} else if (!strcmp(auth_mode, "32")) {
639	int idx = atoi(nvram_safe_get(index));
640	char wepkey[32];
641
642	sprintf(wepkey, "%s_key%d", prefix,
643	idx);
644	#ifndef HAVE_NASCONF
645	if (nvram_nmatch
646	("0", "%s_bridged", iface)) {
647	char *argv[] =
648	{ "nas", "-P", pidfile,
649	"-H", "34954", "-i",
650	iface, mode,
651	"-m",
652	auth_mode, "-r", key,
653	"-s",
654	nvram_safe_get(ssid),
655	"-w",
656	sec_mode, "-I",
657	nvram_safe_get
658	(index), "-k",
659	nvram_safe_get(wepkey),
660	"-h",
661	nvram_safe_get(radius), "-p", nvram_safe_get(port), // "-t",
662	// //radius
663	// rekey
664	// time
665	NULL
666	};
667	_evalpid(argv, NULL, 0, &pid);
668	} else {
669	char *argv[] =
670	{ "nas", "-P", pidfile,
671	"-H", "34954", "-l",
672	getBridge(iface), "-i",
673	iface, mode, "-m",
674	auth_mode, "-r", key,
675	"-s",
676	nvram_safe_get(ssid),
677	"-w",
678	sec_mode, "-I",
679	nvram_safe_get
680	(index), "-k",
681	nvram_safe_get(wepkey),
682	"-h",
683	nvram_safe_get(radius), "-p", nvram_safe_get(port), // "-t",
684	// //radius
685	// rekey
686	// time
687	NULL
688	};
689
690	_evalpid(argv, NULL, 0, &pid);
691
692	}
693	#else
694	conf = fopen(conffile, "w");
695	fprintf(conf,
696	"-H 34954 -l %s -i %s %s -m %s -r %s -s %s -w %s -I %s -k %s -h %s -p %s\n",
697	getBridge(iface), iface, mode,
698	auth_mode, key,
699	nvram_safe_get(ssid), sec_mode,
700	nvram_safe_get(index),
701	nvram_safe_get(wepkey),
702	nvram_safe_get(radius),
703	nvram_safe_get(port));
704	fclose(conf);
705	char *argv[] =
706	{ "nas", conffile, pidfile, "lan",
707	NULL
708	};
709	_evalpid(argv, NULL, 0, &pid);
710	#endif
711	} else {
712	#ifndef HAVE_NASCONF
713	if (nvram_nmatch
714	("0", "%s_bridged", iface)) {
715	char *argv[] =
716	{ "nas", "-P", pidfile,
717	"-H", "34954", "-i",
718	iface, mode,
719	"-m",
720	auth_mode, "-k", key,
721	"-s",
722	nvram_safe_get(ssid),
723	"-w",
724	sec_mode, "-g",
725	nvram_safe_get(rekey),
726	NULL
727	};
728	_evalpid(argv, NULL, 0, &pid);
729	} else {
730	char *argv[] =
731	{ "nas", "-P", pidfile,
732	"-H", "34954", "-l",
733	getBridge(iface), "-i",
734	iface, mode, "-m",
735	auth_mode, "-k", key,
736	"-s",
737	nvram_safe_get(ssid),
738	"-w",
739	sec_mode, "-g",
740	nvram_safe_get(rekey),
741	NULL
742	};
743	_evalpid(argv, NULL, 0, &pid);
744	}
745	#else
746	conf = fopen(conffile, "w");
747	fprintf(conf,
748	"-H 34954 -l %s -i %s %s -m %s -k %s -s %s -w %s -g %s\n",
749	getBridge(iface), iface, mode,
750	auth_mode, key,
751	nvram_safe_get(ssid), sec_mode,
752	nvram_safe_get(rekey));
753	fclose(conf);
754	char *argv[] =
755	{ "nas", conffile, pidfile, "lan",
756	NULL
757	};
758	_evalpid(argv, NULL, 0, &pid);
759	#endif
760	}
761
762	}
763
764	fp = fopen(pidfile, "w");
765	if (fp)
766	fprintf(fp, "%d", pid);
767	fclose(fp);
768
769	cprintf("done\n");
770	}
771	return;
772
773	}
774
775	void stop_nas(void)
776	{
777	int ret = 0;
778
779	unlink("/tmp/.nas");
780
781	led_control(LED_SEC0, LED_OFF);
782	led_control(LED_SEC1, LED_OFF);
783
784	if (pidof("nas") > 0)
785	dd_syslog(LOG_INFO, "NAS : NAS daemon successfully stopped\n");
786
787	if (pidof("wrt-radauth") > 0) {
788	dd_syslog(LOG_INFO,
789	"RADAUTH : RADAUTH daemon successfully stopped\n");
790	killall("wrt-radauth", SIGKILL);
791	}
792
793	int deadcount = 0;
794
795	while (pidof("nas") > 0 && (deadcount++) < 8) {
796	/*
797	* NAS sometimes won't exit properly on a normal kill
798	*/
799	// int ret = killps("nas",NULL);
800	ret = killall("nas", SIGTERM);
801	sleep(2);
802	// killps("nas","-9");
803	killall("nas", SIGKILL);
804	}
805	#ifdef HAVE_WPA_SUPPLICANT
806	killall("wpa_supplicant", SIGKILL);
807	#endif
808	// clean
809	unlink("/tmp/nas.wl0wan.pid");
810	unlink("/tmp/nas.wl0lan.pid");
811	unlink("/tmp/nas.wl1wan.pid");
812	unlink("/tmp/nas.wl1lan.pid");
813	#ifdef HAVE_NASCONF
814	unlink("/tmp/nas.wl0wan.conf");
815	unlink("/tmp/nas.wl0lan.conf");
816	unlink("/tmp/nas.wl1wan.conf");
817	unlink("/tmp/nas.wl1lan.conf");
818	#endif
819	unlink("/tmp/nas.wl0.1lan.pid");
820	unlink("/tmp/nas.wl0.2lan.pid");
821	unlink("/tmp/nas.wl0.3lan.pid");
822	unlink("/tmp/nas.wl1.1lan.pid");
823	unlink("/tmp/nas.wl1.2lan.pid");
824	unlink("/tmp/nas.wl1.3lan.pid");
825	#ifdef HAVE_NASCONF
826	unlink("/tmp/nas.wl0.1lan.conf");
827	unlink("/tmp/nas.wl0.2lan.conf");
828	unlink("/tmp/nas.wl0.3lan.conf");
829	unlink("/tmp/nas.wl1.1lan.conf");
830	unlink("/tmp/nas.wl1.2lan.conf");
831	unlink("/tmp/nas.wl1.3lan.conf");
832	#endif
833
834	cprintf("done\n");
835	return;
836	}
837	#endif

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