?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Tomato 1.28
[tomato.git] / release / src / router / rc / init.c
blob4674389559bae32b8071b20e862957f7071ca140
1 /*
2
3 Copyright 2005, Broadcom Corporation
4 All Rights Reserved.
5
6 THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
7 KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
8 SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
9 FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
10
11 */
12
13 #include "rc.h"
14
15 #include <termios.h>
16 #include <dirent.h>
17 #include <sys/ioctl.h>
18 #include <sys/mount.h>
19 #include <time.h>
20 #include <errno.h>
21 #include <paths.h>
22 #include <sys/wait.h>
23 #include <sys/reboot.h>
24 #include <sys/klog.h>
25 #include <wlutils.h>
26 #include <bcmdevs.h>
27
28 #define SHELL "/bin/sh"
29
30
31 enum {
32 RESTART,
33 STOP,
34 START,
35 USER1,
36 IDLE,
37 REBOOT,
38 HALT,
39 INIT
40 };
41
42 static int fatalsigs[] = {
43 SIGILL,
44 SIGABRT,
45 SIGFPE,
46 SIGPIPE,
47 SIGBUS,
48 SIGSYS,
49 SIGTRAP,
50 SIGPWR
51 };
52
53 static int initsigs[] = {
54 SIGHUP,
55 SIGUSR1,
56 SIGUSR2,
57 SIGINT,
58 SIGQUIT,
59 SIGTERM
60 };
61
62 static char *defenv[] = {
63 "TERM=vt100",
64 "HOME=/",
65 "PATH=/usr/bin:/bin:/usr/sbin:/sbin",
66 "SHELL=" SHELL,
67 "USER=root",
68 NULL
69 };
70
71 static int noconsole = 0;
72 static volatile int state = INIT;
73 static volatile int signaled = -1;
74
75
76 /* Set terminal settings to reasonable defaults */
77 static void set_term(int fd)
78 {
79 struct termios tty;
80
81 tcgetattr(fd, &tty);
82
83 /* set control chars */
84 tty.c_cc[VINTR] = 3; /* C-c */
85 tty.c_cc[VQUIT] = 28; /* C-\ */
86 tty.c_cc[VERASE] = 127; /* C-? */
87 tty.c_cc[VKILL] = 21; /* C-u */
88 tty.c_cc[VEOF] = 4; /* C-d */
89 tty.c_cc[VSTART] = 17; /* C-q */
90 tty.c_cc[VSTOP] = 19; /* C-s */
91 tty.c_cc[VSUSP] = 26; /* C-z */
92
93 /* use line dicipline 0 */
94 tty.c_line = 0;
95
96 /* Make it be sane */
97 tty.c_cflag &= CBAUD|CBAUDEX|CSIZE|CSTOPB|PARENB|PARODD;
98 tty.c_cflag |= CREAD|HUPCL|CLOCAL;
99
100
101 /* input modes */
102 tty.c_iflag = ICRNL | IXON | IXOFF;
103
104 /* output modes */
105 tty.c_oflag = OPOST | ONLCR;
106
107 /* local modes */
108 tty.c_lflag =
109 ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN;
110
111 tcsetattr(fd, TCSANOW, &tty);
112 }
113
114 static int console_init(void)
115 {
116 int fd;
117
118 /* Clean up */
119 ioctl(0, TIOCNOTTY, 0);
120 close(0);
121 close(1);
122 close(2);
123 setsid();
124
125 /* Reopen console */
126 if ((fd = open(_PATH_CONSOLE, O_RDWR)) < 0) {
127 /* Avoid debug messages is redirected to socket packet if no exist a UART chip, added by honor, 2003-12-04 */
128 open("/dev/null", O_RDONLY);
129 open("/dev/null", O_WRONLY);
130 open("/dev/null", O_WRONLY);
131 perror(_PATH_CONSOLE);
132 return errno;
133 }
134 dup2(fd, 0);
135 dup2(fd, 1);
136 dup2(fd, 2);
137
138 ioctl(0, TIOCSCTTY, 1);
139 tcsetpgrp(0, getpgrp());
140 set_term(0);
141
142 return 0;
143 }
144
145 /*
146 * Waits for a file descriptor to change status or unblocked signal
147 * @param fd file descriptor
148 * @param timeout seconds to wait before timing out or 0 for no timeout
149 * @return 1 if descriptor changed status or 0 if timed out or -1 on error
150 */
151 static int waitfor(int fd, int timeout)
152 {
153 fd_set rfds;
154 struct timeval tv = { timeout, 0 };
155
156 FD_ZERO(&rfds);
157 FD_SET(fd, &rfds);
158 return select(fd + 1, &rfds, NULL, NULL, (timeout > 0) ? &tv : NULL);
159 }
160
161 static pid_t run_shell(int timeout, int nowait)
162 {
163 pid_t pid;
164 int sig;
165
166 /* Wait for user input */
167 if (waitfor(STDIN_FILENO, timeout) <= 0) return 0;
168
169 switch (pid = fork()) {
170 case -1:
171 perror("fork");
172 return 0;
173 case 0:
174 /* Reset signal handlers set for parent process */
175 for (sig = 0; sig < (_NSIG-1); sig++)
176 signal(sig, SIG_DFL);
177
178 /* Reopen console */
179 console_init();
180 printf("\n\nTomato %s\n\n", tomato_version);
181
182 /* Now run it. The new program will take over this PID,
183 * so nothing further in init.c should be run. */
184 execve(SHELL, (char *[]) { SHELL, NULL }, defenv);
185
186 /* We're still here? Some error happened. */
187 perror(SHELL);
188 exit(errno);
189 default:
190 if (nowait) {
191 return pid;
192 }
193 else {
194 waitpid(pid, NULL, 0);
195 return 0;
196 }
197 }
198 }
199
200 static void shutdn(int rb)
201 {
202 int i;
203 int act;
204 sigset_t ss;
205
206 _dprintf("shutdn rb=%d\n", rb);
207
208 sigemptyset(&ss);
209 for (i = 0; i < sizeof(fatalsigs) / sizeof(fatalsigs[0]); i++)
210 sigaddset(&ss, fatalsigs[i]);
211 for (i = 0; i < sizeof(initsigs) / sizeof(initsigs[0]); i++)
212 sigaddset(&ss, initsigs[i]);
213 sigaddset(&ss, SIGCHLD);
214 sigprocmask(SIG_BLOCK, &ss, NULL);
215
216 for (i = 30; i > 0; --i) {
217 if (((act = check_action()) == ACT_IDLE) || (act == ACT_REBOOT)) break;
218 cprintf("Busy with %d. Waiting before shutdown... %d\n", act, i);
219 sleep(1);
220 }
221 set_action(ACT_REBOOT);
222
223 cprintf("TERM\n");
224 kill(-1, SIGTERM);
225 sleep(2);
226 sync();
227
228 cprintf("KILL\n");
229 kill(-1, SIGKILL);
230 sleep(1);
231 sync();
232
233 umount("/jffs"); // may hang if not
234 sleep(1);
235
236 if (rb != -1) {
237 led(LED_WLAN, 0);
238 if (rb == 0) {
239 for (i = 4; i > 0; --i) {
240 led(LED_DMZ, 1);
241 led(LED_WHITE, 1);
242 usleep(250000);
243 led(LED_DMZ, 0);
244 led(LED_WHITE, 0);
245 usleep(250000);
246 }
247 }
248 }
249
250 reboot(rb ? RB_AUTOBOOT : RB_HALT_SYSTEM);
251
252 do {
253 sleep(1);
254 } while (1);
255 }
256
257 static void handle_fatalsigs(int sig)
258 {
259 _dprintf("fatal sig=%d\n", sig);
260 shutdn(-1);
261 }
262
263 void handle_reap(int sig)
264 {
265 while (waitpid(-1, NULL, WNOHANG) > 0) {
266 //
267 }
268 }
269
270 static void handle_initsigs(int sig)
271 {
272 // TRACE_PT("sig=%d state=%d, signaled=%d\n", sig, state, signaled);
273
274 switch (sig) {
275 case SIGHUP:
276 signaled = RESTART;
277 break;
278 case SIGUSR1:
279 signaled = USER1;
280 break;
281 case SIGUSR2:
282 signaled = START;
283 break;
284 case SIGINT:
285 signaled = STOP;
286 break;
287 case SIGTERM:
288 signaled = REBOOT;
289 break;
290 case SIGQUIT:
291 signaled = HALT;
292 break;
293 }
294 }
295
296 static int check_nv(const char *name, const char *value)
297 {
298 const char *p;
299 if (!nvram_match("manual_boot_nv", "1")) {
300 if (((p = nvram_get(name)) == NULL) || (strcmp(p, value) != 0)) {
301 // cprintf("Error: Critical variable %s is invalid. Resetting.\n", name);
302 nvram_set(name, value);
303 return 1;
304 }
305 }
306 return 0;
307 }
308
309 static void check_bootnv(void)
310 {
311 int dirty;
312 int hardware;
313
314 if (get_model() != MODEL_WRT54G) return;
315 if (strncmp(nvram_safe_get("pmon_ver"), "CFE", 3) != 0) return;
316
317 hardware = check_hw_type();
318 if (!nvram_get("boardtype") ||
319 !nvram_get("boardnum") ||
320 !nvram_get("boardflags") ||
321 !nvram_get("clkfreq") ||
322 !nvram_get("os_flash_addr") ||
323 !nvram_get("dl_ram_addr") ||
324 !nvram_get("os_ram_addr") ||
325 !nvram_get("scratch") ||
326 !nvram_get("et0macaddr") ||
327 ((hardware != HW_BCM4704_BCM5325F) && (!nvram_get("vlan0ports") || !nvram_get("vlan0hwname")))) {
328 cprintf("Unable to find critical settings, erasing NVRAM\n");
329 mtd_erase("nvram");
330 goto REBOOT;
331 }
332
333 dirty = 0;
334
335 switch (hardware) {
336 case HW_BCM5325E:
337 /* Lower the DDR ram drive strength , the value will be stable for all boards
338 Latency 3 is more stable for all ddr 20050420 by honor */
339 dirty |= check_nv("sdram_init", "0x010b");
340 dirty |= check_nv("sdram_config", "0x0062");
341 if (!nvram_match("debug_clkfix", "0")) {
342 dirty |= check_nv("clkfreq", "216");
343 }
344 if (dirty) {
345 nvram_set("sdram_ncdl", "0x0");
346 }
347 dirty |= check_nv("pa0itssit", "62");
348 dirty |= check_nv("pa0b0", "0x15eb");
349 dirty |= check_nv("pa0b1", "0xfa82");
350 dirty |= check_nv("pa0b2", "0xfe66");
351 dirty |= check_nv("pa0maxpwr", "0x4e");
352 break;
353 case HW_BCM5352E: // G v4, GS v3, v4
354 dirty |= check_nv("sdram_init", "0x010b");
355 dirty |= check_nv("sdram_config", "0x0062");
356 if (dirty) {
357 nvram_set("sdram_ncdl", "0x0");
358 }
359 dirty |= check_nv("pa0itssit", "62");
360 dirty |= check_nv("pa0b0", "0x168b");
361 dirty |= check_nv("pa0b1", "0xfabf");
362 dirty |= check_nv("pa0b2", "0xfeaf");
363 dirty |= check_nv("pa0maxpwr", "0x4e");
364 dirty |= check_nv("vlan0ports", "3 2 1 0 5*");
365 break;
366 case HW_BCM5354G:
367 dirty |= check_nv("pa0itssit", "62");
368 dirty |= check_nv("pa0b0", "0x1326");
369 dirty |= check_nv("pa0b1", "0xFB51");
370 dirty |= check_nv("pa0b2", "0xFE87");
371 dirty |= check_nv("pa0maxpwr", "0x4e");
372 break;
373 case HW_BCM4704_BCM5325F:
374 // nothing to do
375 break;
376 default:
377 dirty |= check_nv("pa0itssit", "62");
378 dirty |= check_nv("pa0b0", "0x170c");
379 dirty |= check_nv("pa0b1", "0xfa24");
380 dirty |= check_nv("pa0b2", "0xfe70");
381 dirty |= check_nv("pa0maxpwr", "0x48");
382 break;
383 }
384
385 if (dirty) {
386 nvram_commit();
387 REBOOT: // do a simple reboot
388 sync();
389 reboot(RB_AUTOBOOT);
390 exit(0);
391 }
392 }
393
394 static int init_nvram(void)
395 {
396 unsigned long features;
397 int model;
398 const char *mfr;
399 const char *name;
400 char s[256];
401 unsigned long bf;
402 unsigned long n;
403
404 model = get_model();
405 sprintf(s, "%d", model);
406 nvram_set("t_model", s);
407
408 mfr = "Broadcom";
409 name = NULL;
410 features = 0;
411 switch (model) {
412 case MODEL_WRT54G:
413 mfr = "Linksys";
414 name = "WRT54G/GS/GL";
415 switch (check_hw_type()) {
416 case HW_BCM4712:
417 nvram_set("gpio2", "adm_eecs");
418 nvram_set("gpio3", "adm_eesk");
419 nvram_unset("gpio4");
420 nvram_set("gpio5", "adm_eedi");
421 nvram_set("gpio6", "adm_rc");
422 break;
423 case HW_BCM4702:
424 nvram_unset("gpio2");
425 nvram_unset("gpio3");
426 nvram_unset("gpio4");
427 nvram_unset("gpio5");
428 nvram_unset("gpio6");
429 break;
430 case HW_BCM5352E:
431 nvram_set("opo", "0x0008");
432 nvram_set("ag0", "0x02");
433 // drop
434 default:
435 nvram_set("gpio2", "ses_led");
436 nvram_set("gpio3", "ses_led2");
437 nvram_set("gpio4", "ses_button");
438 features = SUP_SES | SUP_WHAM_LED;
439 break;
440 }
441 break;
442 case MODEL_WTR54GS:
443 mfr = "Linksys";
444 name = "WTR54GS";
445 if (!nvram_match("t_fix1", (char *)name)) {
446 nvram_set ("vlan0hwname", "et0");
447 nvram_set ("vlan1hwname", "et0");
448 nvram_set("vlan0ports", "0 5*");
449 nvram_set("vlan1ports", "1 5");
450 nvram_set("vlan_enable", "1");
451 nvram_set("lan_ifnames", "vlan0 eth1");
452 nvram_set("gpio2", "ses_button");
453 nvram_set("reset_gpio", "7");
454
455 }
456 nvram_set("pa0itssit", "62");
457 nvram_set("pa0b0", "0x1542");
458 nvram_set("pa0b1", "0xfacb");
459 nvram_set("pa0b2", "0xfec7");
460 nvram_set("pa0maxpwr", "0x4c");
461 features = SUP_SES;
462 break;
463 case MODEL_WRTSL54GS:
464 mfr = "Linksys";
465 name = "WRTSL54GS";
466 features = SUP_SES | SUP_WHAM_LED;
467 break;
468 case MODEL_WHRG54S:
469 mfr = "Buffalo";
470 name = "WHR-G54S";
471 features = SUP_SES | SUP_AOSS_LED | SUP_BRAU;
472 break;
473 case MODEL_WHRHPG54:
474 case MODEL_WZRRSG54HP:
475 case MODEL_WZRHPG54:
476 mfr = "Buffalo";
477 features = SUP_SES | SUP_AOSS_LED | SUP_HPAMP;
478 switch (model) {
479 case MODEL_WZRRSG54HP:
480 name = "WZR-RS-G54HP";
481 break;
482 case MODEL_WZRHPG54:
483 name = "WZR-HP-G54";
484 break;
485 default:
486 name = "WHR-HP-G54";
487 features = SUP_SES | SUP_AOSS_LED | SUP_BRAU | SUP_HPAMP;
488 break;
489 }
490
491 bf = strtoul(nvram_safe_get("boardflags"), NULL, 0);
492 switch (bf) {
493 case 0x0758:
494 case 0x1758:
495 case 0x2758:
496 case 0x3758:
497 if (nvram_match("wlx_hpamp", "")) {
498 if (nvram_get_int("wl_txpwr") > 10) nvram_set("wl_txpwr", "10");
499 nvram_set("wlx_hpamp", "1");
500 nvram_set("wlx_hperx", "0");
501 }
502
503 n = bf;
504 if (nvram_match("wlx_hpamp", "0")) {
505 n &= ~0x2000UL;
506 }
507 else {
508 n |= 0x2000UL;
509 }
510 if (nvram_match("wlx_hperx", "0")) {
511 n |= 0x1000UL;
512 }
513 else {
514 n &= ~0x1000UL;
515 }
516 if (bf != n) {
517 sprintf(s, "0x%lX", n);
518 nvram_set("boardflags", s);
519 }
520 break;
521 default:
522 syslog(LOG_WARNING, "Unexpected: boardflag=%lX", bf);
523 break;
524 }
525 break;
526 case MODEL_WBRG54:
527 mfr = "Buffalo";
528 name = "WBR-G54";
529 nvram_set("wl0gpio0", "130");
530 break;
531 case MODEL_WBR2G54:
532 mfr = "Buffalo";
533 name = "WBR2-G54";
534 features = SUP_SES | SUP_AOSS_LED;
535 break;
536 case MODEL_WHR2A54G54:
537 mfr = "Buffalo";
538 name = "WHR2-A54G54";
539 features = SUP_SES | SUP_AOSS_LED | SUP_BRAU;
540 break;
541 case MODEL_WHR3AG54:
542 mfr = "Buffalo";
543 name = "WHR3-AG54";
544 features = SUP_SES | SUP_AOSS_LED;
545 break;
546 case MODEL_WZRG54:
547 mfr = "Buffalo";
548 name = "WZR-G54";
549 features = SUP_SES | SUP_AOSS_LED;
550 break;
551 case MODEL_WZRRSG54:
552 mfr = "Buffalo";
553 name = "WZR-RS-G54";
554 features = SUP_SES | SUP_AOSS_LED;
555 break;
556 case MODEL_WVRG54NF:
557 mfr = "Buffalo";
558 name = "WVR-G54-NF";
559 features = SUP_SES;
560 break;
561 case MODEL_WZRG108:
562 mfr = "Buffalo";
563 name = "WZR-G108";
564 features = SUP_SES | SUP_AOSS_LED;
565 break;
566 case MODEL_RT390W:
567 mfr = "Fuji";
568 name = "RT390W";
569 break;
570 case MODEL_WR850GV1:
571 mfr = "Motorola";
572 name = "WR850G v1";
573 features = SUP_NONVE;
574 break;
575 case MODEL_WR850GV2:
576 mfr = "Motorola";
577 name = "WR850G v2/v3";
578 features = SUP_NONVE;
579 break;
580 case MODEL_WL500GP:
581 mfr = "Asus";
582 name = "WL-500gP";
583 features = SUP_SES;
584 if (!nvram_match("t_fix1", (char *)name)) {
585 nvram_set("t_fix1", name);
586 nvram_set("sdram_init", "0x0009"); // 32MB; defaults: 0x000b, 0x0009
587 nvram_set("vlan1ports", "0 5"); // default: 0 5u
588 nvram_set("lan_ifnames", "vlan0 eth1 eth2 eth3"); // set to "vlan0 eth2" by DD-WRT; default: vlan0 eth1
589 // !!TB - WLAN LED fix
590 nvram_set("wl0gpio0", "136");
591 }
592 break;
593 case MODEL_WL500GE:
594 mfr = "Asus";
595 name = "WL-500gE";
596 // features = ?
597 if (!nvram_match("t_fix1", (char *)name)) {
598 nvram_set("t_fix1", name);
599 nvram_set("vlan1ports", "0 5"); // default: 0 5u
600 }
601 break;
602 case MODEL_WX6615GT:
603 mfr = "SparkLAN";
604 name = "WX-6615GT";
605 // features = ?
606 break;
607 case MODEL_MN700:
608 mfr = "Microsoft";
609 name = "MN-700";
610 break;
611 case MODEL_WR100:
612 mfr = "Viewsonic";
613 name = "WR100";
614 break;
615 case MODEL_WLA2G54L:
616 mfr = "Buffalo";
617 name = "WLA2-G54L";
618 if (!nvram_match("t_fix1", (char *)name)) {
619 nvram_set("t_fix1", name);
620 nvram_set("lan_ifnames", "vlan0 eth1 eth2");
621 nvram_set("wl_ifname", "eth1");
622 nvram_set("wan_ifname", "none");
623 }
624 break;
625 case MODEL_TM2300:
626 mfr = "Dell";
627 name = "TrueMobile 2300";
628 break;
629
630 /*
631
632 ...
633
634 */
635
636 #ifndef WL_BSS_INFO_VERSION
637 #error WL_BSS_INFO_VERSION
638 #endif
639 #if WL_BSS_INFO_VERSION >= 108
640 /*
641 case MODEL_WRH54G:
642 mfr = "Linksys";
643 name = "WRH54G";
644
645 nvram_set("opo", "12");
646 break;
647 */
648 case MODEL_WHRG125:
649 mfr = "Buffalo";
650 name = "WHR-G125";
651 features = SUP_SES | SUP_AOSS_LED | SUP_BRAU;
652
653 nvram_set("opo", "0x0008");
654 nvram_set("ag0", "0x0C");
655 break;
656 case MODEL_WL500GPv2:
657 mfr = "Asus";
658 name = "WL-500gP v2";
659 // features = ?;
660 if (!nvram_match("t_fix1", (char *)name)) {
661 if (nvram_match("vlan1ports", "4 5u")) {
662 nvram_set("vlan1ports", "4 5");
663 }
664 else if (nvram_match("vlan1ports", "0 5u")) { // 520GU?
665 nvram_set("vlan1ports", "0 5");
666 }
667 }
668 break;
669 case MODEL_WL520GU:
670 mfr = "Asus";
671 name = "WL-520GU";
672 features = SUP_SES;
673 if (!nvram_match("t_fix1", (char *)name)) {
674 nvram_set("t_fix1", name);
675 nvram_set("vlan1ports", "0 5");
676 // !!TB - LED fix
677 nvram_set("wl0gpio0", "0");
678 nvram_set("wl0gpio1", "136");
679 nvram_set("wl0gpio2", "0");
680 nvram_set("wl0gpio3", "0");
681 }
682 break;
683 #endif
684 #if TOMATO_N
685 case MODEL_WZRG300N:
686 mfr = "Buffalo";
687 name = "WZR-G300N";
688 features = SUP_SES | SUP_AOSS_LED | SUP_BRAU | SUP_80211N;
689 break;
690 case MODEL_WRT300N:
691 mfr = "Linksys";
692 name = "WRT300N";
693 features = SUP_SES | SUP_80211N;
694 break;
695 #endif
696 }
697
698 if (name) {
699 sprintf(s, "%s %s", mfr, name);
700 }
701 else {
702 snprintf(s, sizeof(s), "%s %d/%s/%s/%s/%s", mfr, check_hw_type(),
703 nvram_safe_get("boardtype"), nvram_safe_get("boardnum"), nvram_safe_get("boardrev"), nvram_safe_get("boardflags"));
704 s[64] = 0;
705 }
706 nvram_set("t_model_name", s);
707
708 sprintf(s, "0x%lX", features);
709 nvram_set("t_features", s);
710
711
712 /*
713
714 note: set wan_ifnameX if wan_ifname needs to be overriden
715
716 */
717 if (nvram_is_empty("wan_ifnameX")) {
718 #if 1
719 nvram_set("wan_ifnameX", ((strtoul(nvram_safe_get("boardflags"), NULL, 0) & BFL_ENETVLAN) ||
720 (check_hw_type() == HW_BCM4712)) ? "vlan1" : "eth1");
721 #else
722 p = nvram_safe_get("wan_ifname");
723 if ((*p == 0) || (nvram_match("wl_ifname", p))) {
724 p = ((strtoul(nvram_safe_get("boardflags"), NULL, 0) & BFL_ENETVLAN) ||
725 (check_hw_type() == HW_BCM4712)) ? "vlan1" : "eth1";
726 }
727 nvram_set("wan_ifnameX", p);
728 #endif
729 }
730
731
732 nvram_set("wl_hwaddr", ""); // when disabling wireless, we must get null wireless mac ??
733 nvram_set("wl_country", "JP");
734 nvram_set("wl_country_code", "JP");
735 nvram_set("wan_get_dns", "");
736 nvram_set("wan_get_domain", "");
737 nvram_set("pppoe_pid0", "");
738 nvram_set("action_service", "");
739 nvram_set("jffs2_format", "0");
740 nvram_set("rrules_radio", "-1");
741 nvram_unset("https_crt_gen");
742 if (nvram_get_int("http_id_gen") == 1) nvram_unset("http_id");
743
744 nvram_unset("sch_rboot_last");
745 nvram_unset("sch_rcon_last");
746 nvram_unset("sch_c1_last");
747 nvram_unset("sch_c2_last");
748 nvram_unset("sch_c3_last");
749
750 nvram_set("brau_state", "");
751 if ((features & SUP_BRAU) == 0) nvram_set("script_brau", "");
752 if ((features & SUP_SES) == 0) nvram_set("sesx_script", "");
753
754 if (nvram_match("wl_net_mode", "disabled")) {
755 nvram_set("wl_radio", "0");
756 nvram_set("wl_net_mode", "mixed");
757 }
758
759 return 0;
760 }
761
762 static void sysinit(void)
763 {
764 static const time_t tm = 0;
765 int hardware;
766 int i;
767 DIR *d;
768 struct dirent *de;
769 char s[256];
770 char t[256];
771 int model;
772
773 mount("", "/proc", "proc", 0, NULL);
774 mount("", "/tmp", "ramfs", 0, NULL);
775
776 if (console_init()) noconsole = 1;
777
778 stime(&tm);
779
780 static const char *mkd[] = {
781 "/tmp/etc", "/tmp/var", "/tmp/home", "/tmp/mnt",
782 "/var/log", "/var/run", "/var/tmp", "/var/lib", "/var/lib/misc",
783 "/var/spool", "/var/spool/cron", "/var/spool/cron/crontabs", NULL
784 };
785 umask(0);
786 for (i = 0; mkd[i]; ++i) {
787 mkdir(mkd[i], 0755);
788 }
789 mkdir("/var/lock", 0777);
790 mkdir("/var/tmp/dhcp", 0777);
791 mkdir("/home/root", 0700);
792 chmod("/tmp", 0777);
793 f_write("/etc/hosts", NULL, 0, 0, 0644); // blank
794 simple_unlock("cron");
795 simple_unlock("firewall");
796 simple_unlock("restrictions");
797 umask(022);
798
799 if ((d = opendir("/rom/etc")) != NULL) {
800 while ((de = readdir(d)) != NULL) {
801 if (de->d_name[0] == '.') continue;
802 snprintf(s, sizeof(s), "%s/%s", "/rom/etc", de->d_name);
803 snprintf(t, sizeof(t), "%s/%s", "/etc", de->d_name);
804 symlink(s, t);
805 }
806 closedir(d);
807 }
808 symlink("/proc/mounts", "/etc/mtab");
809
810 set_action(ACT_IDLE);
811
812 for (i = 0; defenv[i]; ++i) {
813 putenv(defenv[i]);
814 }
815
816 if (!noconsole) {
817 printf("\n\nHit ENTER for console...\n\n");
818 run_shell(1, 0);
819 }
820
821 check_bootnv();
822
823 for (i = 0; i < sizeof(fatalsigs) / sizeof(fatalsigs[0]); i++) {
824 signal(fatalsigs[i], handle_fatalsigs);
825 }
826 for (i = 0; i < sizeof(initsigs) / sizeof(initsigs[0]); i++) {
827 signal(initsigs[i], handle_initsigs);
828 }
829 signal(SIGCHLD, handle_reap);
830
831 switch (model = get_model()) {
832 case MODEL_WR850GV1:
833 case MODEL_WR850GV2:
834 // need to cleanup some variables...
835 if ((nvram_get("t_model") == NULL) && (nvram_get("MyFirmwareVersion") != NULL)) {
836 nvram_unset("MyFirmwareVersion");
837 nvram_set("restore_defaults", "1");
838 }
839 break;
840 }
841
842 system("nvram defaults --initcheck");
843 init_nvram();
844
845 klogctl(8, NULL, nvram_get_int("console_loglevel"));
846
847 setup_conntrack();
848
849 hardware = check_hw_type();
850 #if WL_BSS_INFO_VERSION >= 108
851 modprobe("et");
852 #else
853 if ((hardware == HW_BCM4702) && (model != MODEL_WR850GV1)) {
854 modprobe("4702et");
855 modprobe("diag");
856 }
857 else {
858 modprobe("et");
859 }
860 #endif
861 modprobe("wl");
862 modprobe("tomato_ct");
863
864 set_host_domain_name();
865 config_loopback();
866
867 eval("buttons");
868
869 start_jffs2();
870
871 set_tz();
872
873 i = nvram_get_int("sesx_led");
874 led(LED_AMBER, (i & 1) != 0);
875 led(LED_WHITE, (i & 2) != 0);
876 led(LED_AOSS, (i & 4) != 0);
877 led(LED_BRIDGE, (i & 8) != 0);
878 led(LED_DIAG, 1);
879 }
880
881 int init_main(int argc, char *argv[])
882 {
883 pid_t shell_pid = 0;
884
885 sysinit();
886
887 state = START;
888 signaled = -1;
889
890 #if defined(DEBUG_NOISY)
891 nvram_set("debug_logeval", "1");
892 nvram_set("debug_cprintf", "1");
893 nvram_set("debug_cprintf_file", "1");
894 nvram_set("debug_ddns", "1");
895 #endif
896
897 for (;;) {
898 // TRACE_PT("main loop state=%d\n", state);
899
900 switch (state) {
901 case USER1:
902 exec_service();
903 state = IDLE;
904 break;
905 case RESTART:
906 case STOP:
907 case HALT:
908 case REBOOT:
909 led(LED_DIAG, 1);
910
911 run_nvscript("script_shut", NULL, 10);
912
913 stop_services();
914 stop_wan();
915 stop_lan();
916 stop_vlan();
917
918 if ((state == REBOOT) || (state == HALT)) {
919 shutdn(state == REBOOT);
920 exit(0);
921 }
922 if (state == STOP) {
923 state = IDLE;
924 break;
925 }
926
927 // RESTART falls through
928
929 case START:
930 SET_LED(RELEASE_WAN_CONTROL);
931
932 run_nvscript("script_init", NULL, 2);
933
934 start_vlan();
935 start_lan();
936 start_wan(BOOT);
937 start_services();
938
939 syslog(LOG_INFO, "Tomato %s", tomato_version);
940 syslog(LOG_INFO, "%s", nvram_safe_get("t_model_name"));
941
942 led(LED_DIAG, 0);
943
944 state = IDLE;
945
946 // fall through
947
948 case IDLE:
949 while (signaled == -1) {
950 check_services();
951 if ((!noconsole) && ((!shell_pid) || (kill(shell_pid, 0) != 0))) {
952 shell_pid = run_shell(0, 1);
953 }
954 else {
955 pause();
956 }
957 }
958 state = signaled;
959 signaled = -1;
960 break;
961 }
962 }
963 }
964
965 int reboothalt_main(int argc, char *argv[])
966 {
967 int reboot = (strstr(argv[0], "reboot") != NULL);
968 puts(reboot ? "Rebooting..." : "Shutting down...");
969 fflush(stdout);
970 sleep(1);
971 kill(1, reboot ? SIGTERM : SIGQUIT);
972 return 0;
973 }
974
Tomato firmware and modifications.