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luci2: add luci2.ui namespace
[project/rpcd.git] / luci2.c
1 /*
2 * luci-rpcd - LuCI UBUS RPC server
3 *
4 * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <fcntl.h>
20 #include <errno.h>
21 #include <unistd.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <ctype.h>
25 #include <sys/wait.h>
26 #include <sys/stat.h>
27 #include <sys/types.h>
28 #include <sys/statvfs.h>
29 #include <dirent.h>
30 #include <arpa/inet.h>
31 #include <signal.h>
32 #include <glob.h>
33
34 #include "luci2.h"
35 #include "exec.h"
36 #include "session.h"
37
38 static struct blob_buf buf;
39 static struct uci_context *cursor;
40
41 enum {
42 RPC_S_PID,
43 RPC_S_SIGNAL,
44 __RPC_S_MAX,
45 };
46
47 static const struct blobmsg_policy rpc_signal_policy[__RPC_S_MAX] = {
48 [RPC_S_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
49 [RPC_S_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
50 };
51
52 enum {
53 RPC_I_NAME,
54 RPC_I_ACTION,
55 __RPC_I_MAX,
56 };
57
58 static const struct blobmsg_policy rpc_init_policy[__RPC_I_MAX] = {
59 [RPC_I_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
60 [RPC_I_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_STRING },
61 };
62
63 enum {
64 RPC_D_DATA,
65 __RPC_D_MAX
66 };
67
68 static const struct blobmsg_policy rpc_data_policy[__RPC_D_MAX] = {
69 [RPC_D_DATA] = { .name = "data", .type = BLOBMSG_TYPE_STRING },
70 };
71
72 enum {
73 RPC_K_KEYS,
74 __RPC_K_MAX
75 };
76
77 static const struct blobmsg_policy rpc_sshkey_policy[__RPC_K_MAX] = {
78 [RPC_K_KEYS] = { .name = "keys", .type = BLOBMSG_TYPE_ARRAY },
79 };
80
81 enum {
82 RPC_P_USER,
83 RPC_P_PASSWORD,
84 __RPC_P_MAX
85 };
86
87 static const struct blobmsg_policy rpc_password_policy[__RPC_P_MAX] = {
88 [RPC_P_USER] = { .name = "user", .type = BLOBMSG_TYPE_STRING },
89 [RPC_P_PASSWORD] = { .name = "password", .type = BLOBMSG_TYPE_STRING },
90 };
91
92 enum {
93 RPC_OM_LIMIT,
94 RPC_OM_OFFSET,
95 RPC_OM_PATTERN,
96 __RPC_OM_MAX
97 };
98
99 static const struct blobmsg_policy rpc_opkg_match_policy[__RPC_OM_MAX] = {
100 [RPC_OM_LIMIT] = { .name = "limit", .type = BLOBMSG_TYPE_INT32 },
101 [RPC_OM_OFFSET] = { .name = "offset", .type = BLOBMSG_TYPE_INT32 },
102 [RPC_OM_PATTERN] = { .name = "pattern", .type = BLOBMSG_TYPE_STRING },
103 };
104
105 enum {
106 RPC_OP_PACKAGE,
107 __RPC_OP_MAX
108 };
109
110 static const struct blobmsg_policy rpc_opkg_package_policy[__RPC_OP_MAX] = {
111 [RPC_OP_PACKAGE] = { .name = "package", .type = BLOBMSG_TYPE_STRING },
112 };
113
114 enum {
115 RPC_UPGRADE_KEEP,
116 __RPC_UPGRADE_MAX
117 };
118
119 static const struct blobmsg_policy rpc_upgrade_policy[__RPC_UPGRADE_MAX] = {
120 [RPC_UPGRADE_KEEP] = { .name = "keep", .type = BLOBMSG_TYPE_BOOL },
121 };
122
123 enum {
124 RPC_MENU_SESSION,
125 __RPC_MENU_MAX
126 };
127
128 static const struct blobmsg_policy rpc_menu_policy[__RPC_MENU_MAX] = {
129 [RPC_MENU_SESSION] = { .name = "ubus_rpc_session",
130 .type = BLOBMSG_TYPE_STRING },
131 };
132
133
134 static int
135 rpc_errno_status(void)
136 {
137 switch (errno)
138 {
139 case EACCES:
140 return UBUS_STATUS_PERMISSION_DENIED;
141
142 case ENOTDIR:
143 return UBUS_STATUS_INVALID_ARGUMENT;
144
145 case ENOENT:
146 return UBUS_STATUS_NOT_FOUND;
147
148 case EINVAL:
149 return UBUS_STATUS_INVALID_ARGUMENT;
150
151 default:
152 return UBUS_STATUS_UNKNOWN_ERROR;
153 }
154 }
155
156 static void
157 log_read(FILE *log, int logsize)
158 {
159 int len;
160 char *logbuf;
161
162 if (logsize == 0)
163 logsize = RPC_LUCI2_DEF_LOGSIZE;
164
165 len = (logsize > RPC_LUCI2_MAX_LOGSIZE) ? RPC_LUCI2_MAX_LOGSIZE : logsize;
166 logbuf = blobmsg_alloc_string_buffer(&buf, "log", len + 1);
167
168 if (!logbuf)
169 return;
170
171 while (logsize > RPC_LUCI2_MAX_LOGSIZE)
172 {
173 len = logsize % RPC_LUCI2_MAX_LOGSIZE;
174
175 if (len == 0)
176 len = RPC_LUCI2_MAX_LOGSIZE;
177
178 fread(logbuf, 1, len, log);
179 logsize -= len;
180 }
181
182 len = fread(logbuf, 1, logsize, log);
183 *(logbuf + len) = 0;
184
185 blobmsg_add_string_buffer(&buf);
186 }
187
188 static int
189 rpc_luci2_system_log(struct ubus_context *ctx, struct ubus_object *obj,
190 struct ubus_request_data *req, const char *method,
191 struct blob_attr *msg)
192 {
193 FILE *log;
194 int logsize = 0;
195 const char *logfile = NULL;
196 struct stat st;
197 struct uci_package *p;
198 struct uci_element *e;
199 struct uci_section *s;
200 struct uci_ptr ptr = { .package = "system" };
201
202 uci_load(cursor, ptr.package, &p);
203
204 if (!p)
205 return UBUS_STATUS_NOT_FOUND;
206
207 uci_foreach_element(&p->sections, e)
208 {
209 s = uci_to_section(e);
210
211 if (strcmp(s->type, "system"))
212 continue;
213
214 ptr.o = NULL;
215 ptr.option = "log_type";
216 ptr.section = e->name;
217 uci_lookup_ptr(cursor, &ptr, NULL, true);
218 break;
219 }
220
221 if (ptr.o && ptr.o->type == UCI_TYPE_STRING &&
222 !strcmp(ptr.o->v.string, "file"))
223 {
224 ptr.o = NULL;
225 ptr.option = "log_file";
226 uci_lookup_ptr(cursor, &ptr, NULL, true);
227
228 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
229 logfile = ptr.o->v.string;
230 else
231 logfile = "/var/log/messages";
232
233 if (stat(logfile, &st) || !(log = fopen(logfile, "r")))
234 goto fail;
235
236 logsize = st.st_size;
237 }
238 else
239 {
240 ptr.o = NULL;
241 ptr.option = "log_size";
242 uci_lookup_ptr(cursor, &ptr, NULL, true);
243
244 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
245 logsize = atoi(ptr.o->v.string) * 1024;
246
247 if (!(log = popen("logread", "r")))
248 goto fail;
249 }
250
251 blob_buf_init(&buf, 0);
252
253 log_read(log, logsize);
254 fclose(log);
255
256 uci_unload(cursor, p);
257 ubus_send_reply(ctx, req, buf.head);
258 return 0;
259
260 fail:
261 uci_unload(cursor, p);
262 return rpc_errno_status();
263 }
264
265 static int
266 rpc_luci2_system_dmesg(struct ubus_context *ctx, struct ubus_object *obj,
267 struct ubus_request_data *req, const char *method,
268 struct blob_attr *msg)
269 {
270 FILE *log;
271
272 if (!(log = popen("dmesg", "r")))
273 return rpc_errno_status();
274
275 blob_buf_init(&buf, 0);
276
277 log_read(log, RPC_LUCI2_MAX_LOGSIZE);
278 fclose(log);
279
280 ubus_send_reply(ctx, req, buf.head);
281 return 0;
282 }
283
284 static int
285 rpc_luci2_system_diskfree(struct ubus_context *ctx, struct ubus_object *obj,
286 struct ubus_request_data *req, const char *method,
287 struct blob_attr *msg)
288 {
289 int i;
290 void *c;
291 struct statvfs s;
292 const char *fslist[] = {
293 "/", "root",
294 "/tmp", "tmp",
295 };
296
297 blob_buf_init(&buf, 0);
298
299 for (i = 0; i < sizeof(fslist) / sizeof(fslist[0]); i += 2)
300 {
301 if (statvfs(fslist[i], &s))
302 continue;
303
304 c = blobmsg_open_table(&buf, fslist[i+1]);
305
306 blobmsg_add_u32(&buf, "total", s.f_blocks * s.f_frsize);
307 blobmsg_add_u32(&buf, "free", s.f_bfree * s.f_frsize);
308 blobmsg_add_u32(&buf, "used", (s.f_blocks - s.f_bfree) * s.f_frsize);
309
310 blobmsg_close_table(&buf, c);
311 }
312
313 ubus_send_reply(ctx, req, buf.head);
314 return 0;
315 }
316
317 static int
318 rpc_luci2_process_list(struct ubus_context *ctx, struct ubus_object *obj,
319 struct ubus_request_data *req, const char *method,
320 struct blob_attr *msg)
321 {
322 FILE *top;
323 void *c, *d;
324 char line[1024];
325 char *pid, *ppid, *user, *stat, *vsz, *pvsz, *pcpu, *cmd;
326
327 if (!(top = popen("/bin/busybox top -bn1", "r")))
328 return rpc_errno_status();
329
330 blob_buf_init(&buf, 0);
331 c = blobmsg_open_array(&buf, "processes");
332
333 while (fgets(line, sizeof(line) - 1, top))
334 {
335 pid = strtok(line, " ");
336
337 if (*pid < '0' || *pid > '9')
338 continue;
339
340 ppid = strtok(NULL, " ");
341 user = strtok(NULL, " ");
342 stat = strtok(NULL, " ");
343
344 if (!stat)
345 continue;
346
347 if (!*(stat + 1))
348 *(stat + 1) = ' ';
349
350 if (!*(stat + 2))
351 *(stat + 2) = ' ';
352
353 *(stat + 3) = 0;
354
355 vsz = strtok(stat + 4, " ");
356 pvsz = strtok(NULL, " ");
357 pcpu = strtok(NULL, " ");
358 cmd = strtok(NULL, "\n");
359
360 if (!cmd)
361 continue;
362
363 d = blobmsg_open_table(&buf, NULL);
364
365 blobmsg_add_u32(&buf, "pid", atoi(pid));
366 blobmsg_add_u32(&buf, "ppid", atoi(ppid));
367 blobmsg_add_string(&buf, "user", user);
368 blobmsg_add_string(&buf, "stat", stat);
369 blobmsg_add_u32(&buf, "vsize", atoi(vsz) * 1024);
370 blobmsg_add_u32(&buf, "vsize_percent", atoi(pvsz));
371 blobmsg_add_u32(&buf, "cpu_percent", atoi(pcpu));
372 blobmsg_add_string(&buf, "command", cmd);
373
374 blobmsg_close_table(&buf, d);
375 }
376
377 fclose(top);
378 blobmsg_close_array(&buf, c);
379
380 ubus_send_reply(ctx, req, buf.head);
381 return 0;
382 }
383
384 static int
385 rpc_luci2_process_signal(struct ubus_context *ctx, struct ubus_object *obj,
386 struct ubus_request_data *req, const char *method,
387 struct blob_attr *msg)
388 {
389 int pid, sig;
390 struct blob_attr *tb[__RPC_S_MAX];
391
392 blobmsg_parse(rpc_signal_policy, __RPC_S_MAX, tb,
393 blob_data(msg), blob_len(msg));
394
395 if (!tb[RPC_S_SIGNAL] || !tb[RPC_S_PID])
396 {
397 errno = EINVAL;
398 return rpc_errno_status();
399 }
400
401 pid = blobmsg_get_u32(tb[RPC_S_PID]);
402 sig = blobmsg_get_u32(tb[RPC_S_SIGNAL]);
403
404 if (kill(pid, sig))
405 return rpc_errno_status();
406
407 return 0;
408 }
409
410 static int
411 rpc_luci2_init_list(struct ubus_context *ctx, struct ubus_object *obj,
412 struct ubus_request_data *req, const char *method,
413 struct blob_attr *msg)
414 {
415 int n;
416 void *c, *t;
417 char *p, path[PATH_MAX];
418 struct stat s;
419 struct dirent *e;
420 FILE *f;
421 DIR *d;
422
423 if (!(d = opendir("/etc/init.d")))
424 return rpc_errno_status();
425
426 blob_buf_init(&buf, 0);
427 c = blobmsg_open_array(&buf, "initscripts");
428
429 while ((e = readdir(d)) != NULL)
430 {
431 snprintf(path, sizeof(path) - 1, "/etc/init.d/%s", e->d_name);
432
433 if (stat(path, &s) || !S_ISREG(s.st_mode) || !(s.st_mode & S_IXUSR))
434 continue;
435
436 if ((f = fopen(path, "r")) != NULL)
437 {
438 n = -1;
439 p = fgets(path, sizeof(path) - 1, f);
440
441 if (!p || !strstr(p, "/etc/rc.common"))
442 goto skip;
443
444 t = blobmsg_open_table(&buf, NULL);
445
446 blobmsg_add_string(&buf, "name", e->d_name);
447
448 while (fgets(path, sizeof(path) - 1, f))
449 {
450 p = strtok(path, "= \t");
451
452 if (!strcmp(p, "START") && !!(p = strtok(NULL, "= \t\n")))
453 {
454 n = atoi(p);
455 blobmsg_add_u32(&buf, "start", n);
456 }
457 else if (!strcmp(p, "STOP") && !!(p = strtok(NULL, "= \t\n")))
458 {
459 blobmsg_add_u32(&buf, "stop", atoi(p));
460 break;
461 }
462 }
463
464 if (n > -1)
465 {
466 snprintf(path, sizeof(path) - 1, "/etc/rc.d/S%02d%s",
467 n, e->d_name);
468
469 blobmsg_add_u8(&buf, "enabled",
470 (!stat(path, &s) && (s.st_mode & S_IXUSR)));
471 }
472 else
473 {
474 blobmsg_add_u8(&buf, "enabled", 0);
475 }
476
477 blobmsg_close_table(&buf, t);
478
479 skip:
480 fclose(f);
481 }
482 }
483
484 closedir(d);
485 blobmsg_close_array(&buf, c);
486
487 ubus_send_reply(ctx, req, buf.head);
488 return 0;
489 }
490
491 static int
492 rpc_luci2_init_action(struct ubus_context *ctx, struct ubus_object *obj,
493 struct ubus_request_data *req, const char *method,
494 struct blob_attr *msg)
495 {
496 int fd;
497 pid_t pid;
498 struct stat s;
499 char path[PATH_MAX];
500 const char *action;
501 struct blob_attr *tb[__RPC_I_MAX];
502
503 blobmsg_parse(rpc_init_policy, __RPC_I_MAX, tb,
504 blob_data(msg), blob_len(msg));
505
506 if (!tb[RPC_I_NAME] || !tb[RPC_I_ACTION])
507 return UBUS_STATUS_INVALID_ARGUMENT;
508
509 action = blobmsg_data(tb[RPC_I_ACTION]);
510
511 if (strcmp(action, "start") && strcmp(action, "stop") &&
512 strcmp(action, "reload") && strcmp(action, "restart") &&
513 strcmp(action, "enable") && strcmp(action, "disable"))
514 return UBUS_STATUS_INVALID_ARGUMENT;
515
516 snprintf(path, sizeof(path) - 1, "/etc/init.d/%s",
517 (char *)blobmsg_data(tb[RPC_I_NAME]));
518
519 if (stat(path, &s))
520 return rpc_errno_status();
521
522 if (!(s.st_mode & S_IXUSR))
523 return UBUS_STATUS_PERMISSION_DENIED;
524
525 switch ((pid = fork()))
526 {
527 case -1:
528 return rpc_errno_status();
529
530 case 0:
531 uloop_done();
532
533 if ((fd = open("/dev/null", O_RDWR)) > -1)
534 {
535 dup2(fd, 0);
536 dup2(fd, 1);
537 dup2(fd, 2);
538
539 close(fd);
540 }
541
542 chdir("/");
543
544 if (execl(path, path, action, NULL))
545 return rpc_errno_status();
546
547 default:
548 return 0;
549 }
550 }
551
552 static int
553 rpc_luci2_rclocal_get(struct ubus_context *ctx, struct ubus_object *obj,
554 struct ubus_request_data *req, const char *method,
555 struct blob_attr *msg)
556 {
557 FILE *f;
558 char data[4096] = { 0 };
559
560 if (!(f = fopen("/etc/rc.local", "r")))
561 return rpc_errno_status();
562
563 fread(data, sizeof(data) - 1, 1, f);
564 fclose(f);
565
566 blob_buf_init(&buf, 0);
567 blobmsg_add_string(&buf, "data", data);
568
569 ubus_send_reply(ctx, req, buf.head);
570 return 0;
571 }
572
573 static int
574 rpc_luci2_rclocal_set(struct ubus_context *ctx, struct ubus_object *obj,
575 struct ubus_request_data *req, const char *method,
576 struct blob_attr *msg)
577 {
578 FILE *f;
579 struct blob_attr *tb[__RPC_D_MAX];
580
581 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
582 blob_data(msg), blob_len(msg));
583
584 if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
585 return UBUS_STATUS_INVALID_ARGUMENT;
586
587 if (!(f = fopen("/etc/rc.local", "w")))
588 return rpc_errno_status();
589
590 fwrite(blobmsg_data(tb[RPC_D_DATA]),
591 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
592
593 fclose(f);
594 return 0;
595 }
596
597 static int
598 rpc_luci2_crontab_get(struct ubus_context *ctx, struct ubus_object *obj,
599 struct ubus_request_data *req, const char *method,
600 struct blob_attr *msg)
601 {
602 FILE *f;
603 char data[4096] = { 0 };
604
605 if (!(f = fopen("/etc/crontabs/root", "r")))
606 return rpc_errno_status();
607
608 fread(data, sizeof(data) - 1, 1, f);
609 fclose(f);
610
611 blob_buf_init(&buf, 0);
612 blobmsg_add_string(&buf, "data", data);
613
614 ubus_send_reply(ctx, req, buf.head);
615 return 0;
616 }
617
618 static int
619 rpc_luci2_crontab_set(struct ubus_context *ctx, struct ubus_object *obj,
620 struct ubus_request_data *req, const char *method,
621 struct blob_attr *msg)
622 {
623 FILE *f;
624 struct stat s;
625 struct blob_attr *tb[__RPC_D_MAX];
626
627 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
628 blob_data(msg), blob_len(msg));
629
630 if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
631 return UBUS_STATUS_INVALID_ARGUMENT;
632
633 if (stat("/etc/crontabs", &s) && mkdir("/etc/crontabs", 0755))
634 return rpc_errno_status();
635
636 if (!(f = fopen("/etc/crontabs/root", "w")))
637 return rpc_errno_status();
638
639 fwrite(blobmsg_data(tb[RPC_D_DATA]),
640 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
641
642 fclose(f);
643 return 0;
644 }
645
646 static int
647 rpc_luci2_sshkeys_get(struct ubus_context *ctx, struct ubus_object *obj,
648 struct ubus_request_data *req, const char *method,
649 struct blob_attr *msg)
650 {
651 FILE *f;
652 void *c;
653 char *p, line[4096];
654
655 if (!(f = fopen("/etc/dropbear/authorized_keys", "r")))
656 return rpc_errno_status();
657
658 blob_buf_init(&buf, 0);
659 c = blobmsg_open_array(&buf, "keys");
660
661 while (fgets(line, sizeof(line) - 1, f))
662 {
663 for (p = line + strlen(line) - 1; (p > line) && isspace(*p); p--)
664 *p = 0;
665
666 for (p = line; isspace(*p); p++)
667 *p = 0;
668
669 if (*p)
670 blobmsg_add_string(&buf, NULL, p);
671 }
672
673 blobmsg_close_array(&buf, c);
674 fclose(f);
675
676 ubus_send_reply(ctx, req, buf.head);
677 return 0;
678 }
679
680 static int
681 rpc_luci2_sshkeys_set(struct ubus_context *ctx, struct ubus_object *obj,
682 struct ubus_request_data *req, const char *method,
683 struct blob_attr *msg)
684 {
685 FILE *f;
686 int rem;
687 struct blob_attr *cur, *tb[__RPC_K_MAX];
688
689 blobmsg_parse(rpc_sshkey_policy, __RPC_K_MAX, tb,
690 blob_data(msg), blob_len(msg));
691
692 if (!tb[RPC_K_KEYS])
693 return UBUS_STATUS_INVALID_ARGUMENT;
694
695 if (!(f = fopen("/etc/dropbear/authorized_keys", "w")))
696 return rpc_errno_status();
697
698 blobmsg_for_each_attr(cur, tb[RPC_K_KEYS], rem)
699 {
700 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
701 continue;
702
703 fwrite(blobmsg_data(cur), blobmsg_data_len(cur) - 1, 1, f);
704 fwrite("\n", 1, 1, f);
705 }
706
707 fclose(f);
708 return 0;
709 }
710
711 static int
712 rpc_luci2_password_set(struct ubus_context *ctx, struct ubus_object *obj,
713 struct ubus_request_data *req, const char *method,
714 struct blob_attr *msg)
715 {
716 pid_t pid;
717 int fd, fds[2];
718 struct stat s;
719 struct blob_attr *tb[__RPC_P_MAX];
720
721 blobmsg_parse(rpc_password_policy, __RPC_P_MAX, tb,
722 blob_data(msg), blob_len(msg));
723
724 if (!tb[RPC_P_USER] || !tb[RPC_P_PASSWORD])
725 return UBUS_STATUS_INVALID_ARGUMENT;
726
727 if (stat("/usr/bin/passwd", &s))
728 return UBUS_STATUS_NOT_FOUND;
729
730 if (!(s.st_mode & S_IXUSR))
731 return UBUS_STATUS_PERMISSION_DENIED;
732
733 if (pipe(fds))
734 return rpc_errno_status();
735
736 switch ((pid = fork()))
737 {
738 case -1:
739 close(fds[0]);
740 close(fds[1]);
741 return rpc_errno_status();
742
743 case 0:
744 uloop_done();
745
746 dup2(fds[0], 0);
747 close(fds[0]);
748 close(fds[1]);
749
750 if ((fd = open("/dev/null", O_RDWR)) > -1)
751 {
752 dup2(fd, 1);
753 dup2(fd, 2);
754 close(fd);
755 }
756
757 chdir("/");
758
759 if (execl("/usr/bin/passwd", "/usr/bin/passwd",
760 blobmsg_data(tb[RPC_P_USER]), NULL))
761 return rpc_errno_status();
762
763 default:
764 close(fds[0]);
765
766 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
767 blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
768 write(fds[1], "\n", 1);
769
770 usleep(100 * 1000);
771
772 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
773 blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
774 write(fds[1], "\n", 1);
775
776 close(fds[1]);
777
778 waitpid(pid, NULL, 0);
779
780 return 0;
781 }
782 }
783
784 static int
785 rpc_luci2_led_list(struct ubus_context *ctx, struct ubus_object *obj,
786 struct ubus_request_data *req, const char *method,
787 struct blob_attr *msg)
788 {
789 DIR *d;
790 FILE *f;
791 void *list, *led, *trigger;
792 char *p, *active_trigger, line[512];
793 struct dirent *e;
794
795 if (!(d = opendir("/sys/class/leds")))
796 return rpc_errno_status();
797
798 blob_buf_init(&buf, 0);
799 list = blobmsg_open_array(&buf, "leds");
800
801 while ((e = readdir(d)) != NULL)
802 {
803 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/trigger",
804 e->d_name);
805
806 if (!(f = fopen(line, "r")))
807 continue;
808
809 led = blobmsg_open_table(&buf, NULL);
810
811 blobmsg_add_string(&buf, "name", e->d_name);
812
813 if (fgets(line, sizeof(line) - 1, f))
814 {
815 trigger = blobmsg_open_array(&buf, "triggers");
816
817 for (p = strtok(line, " \n"), active_trigger = NULL;
818 p != NULL;
819 p = strtok(NULL, " \n"))
820 {
821 if (*p == '[')
822 {
823 *(p + strlen(p) - 1) = 0;
824 *p++ = 0;
825 active_trigger = p;
826 }
827
828 blobmsg_add_string(&buf, NULL, p);
829 }
830
831 blobmsg_close_array(&buf, trigger);
832
833 if (active_trigger)
834 blobmsg_add_string(&buf, "active_trigger", active_trigger);
835 }
836
837 fclose(f);
838
839 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/brightness",
840 e->d_name);
841
842 if ((f = fopen(line, "r")) != NULL)
843 {
844 if (fgets(line, sizeof(line) - 1, f))
845 blobmsg_add_u32(&buf, "brightness", atoi(line));
846
847 fclose(f);
848 }
849
850 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/max_brightness",
851 e->d_name);
852
853 if ((f = fopen(line, "r")) != NULL)
854 {
855 if (fgets(line, sizeof(line) - 1, f))
856 blobmsg_add_u32(&buf, "max_brightness", atoi(line));
857
858 fclose(f);
859 }
860
861 blobmsg_close_table(&buf, led);
862 }
863
864 closedir(d);
865
866 blobmsg_close_array(&buf, list);
867 ubus_send_reply(ctx, req, buf.head);
868
869 return 0;
870 }
871
872 static int
873 rpc_luci2_usb_list(struct ubus_context *ctx, struct ubus_object *obj,
874 struct ubus_request_data *req, const char *method,
875 struct blob_attr *msg)
876 {
877 DIR *d;
878 FILE *f;
879 int i;
880 void *list, *device;
881 char *p, line[512];
882 struct stat s;
883 struct dirent *e;
884
885 const char *attributes[] = {
886 "manufacturer", "vendor_name", "s",
887 "product", "product_name", "s",
888 "idVendor", "vendor_id", "x",
889 "idProduct", "product_id", "x",
890 "serial", "serial", "s",
891 "speed", "speed", "d",
892 };
893
894 if (!(d = opendir("/sys/bus/usb/devices")))
895 return rpc_errno_status();
896
897 blob_buf_init(&buf, 0);
898 list = blobmsg_open_array(&buf, "devices");
899
900 while ((e = readdir(d)) != NULL)
901 {
902 if (e->d_name[0] < '0' || e->d_name[0] > '9')
903 continue;
904
905 snprintf(line, sizeof(line) - 1,
906 "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[0]);
907
908 if (stat(line, &s))
909 continue;
910
911 device = blobmsg_open_table(&buf, NULL);
912
913 blobmsg_add_string(&buf, "name", e->d_name);
914
915 for (i = 0; i < sizeof(attributes) / sizeof(attributes[0]); i += 3)
916 {
917 snprintf(line, sizeof(line) - 1,
918 "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[i]);
919
920 if (!(f = fopen(line, "r")))
921 continue;
922
923 if (fgets(line, sizeof(line) - 1, f))
924 {
925 switch (*attributes[i+2])
926 {
927 case 'x':
928 blobmsg_add_u32(&buf, attributes[i+1],
929 strtoul(line, NULL, 16));
930 break;
931
932 case 'd':
933 blobmsg_add_u32(&buf, attributes[i+1],
934 strtoul(line, NULL, 10));
935 break;
936
937 default:
938 if ((p = strchr(line, '\n')) != NULL)
939 while (p > line && isspace(*p))
940 *p-- = 0;
941
942 blobmsg_add_string(&buf, attributes[i+1], line);
943 break;
944 }
945 }
946
947 fclose(f);
948 }
949
950 blobmsg_close_table(&buf, device);
951 }
952
953 closedir(d);
954
955 blobmsg_close_array(&buf, list);
956 ubus_send_reply(ctx, req, buf.head);
957
958 return 0;
959 }
960
961 static int
962 rpc_luci2_upgrade_test(struct ubus_context *ctx, struct ubus_object *obj,
963 struct ubus_request_data *req, const char *method,
964 struct blob_attr *msg)
965 {
966 const char *cmd[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL };
967 return rpc_exec(cmd, NULL, NULL, NULL, NULL, ctx, req);
968 }
969
970 static int
971 rpc_luci2_upgrade_start(struct ubus_context *ctx, struct ubus_object *obj,
972 struct ubus_request_data *req, const char *method,
973 struct blob_attr *msg)
974 {
975 return 0;
976 }
977
978 static int
979 rpc_luci2_upgrade_clean(struct ubus_context *ctx, struct ubus_object *obj,
980 struct ubus_request_data *req, const char *method,
981 struct blob_attr *msg)
982 {
983 if (unlink("/tmp/firmware.bin"))
984 return rpc_errno_status();
985
986 return 0;
987 }
988
989 static int
990 rpc_luci2_backup_restore(struct ubus_context *ctx, struct ubus_object *obj,
991 struct ubus_request_data *req, const char *method,
992 struct blob_attr *msg)
993 {
994 const char *cmd[4] = { "sysupgrade", "--restore-backup",
995 "/tmp/backup.tar.gz", NULL };
996
997 return rpc_exec(cmd, NULL, NULL, NULL, NULL, ctx, req);
998 }
999
1000 static int
1001 rpc_luci2_backup_clean(struct ubus_context *ctx, struct ubus_object *obj,
1002 struct ubus_request_data *req, const char *method,
1003 struct blob_attr *msg)
1004 {
1005 if (unlink("/tmp/backup.tar.gz"))
1006 return rpc_errno_status();
1007
1008 return 0;
1009 }
1010
1011 static int
1012 rpc_luci2_backup_config_get(struct ubus_context *ctx, struct ubus_object *obj,
1013 struct ubus_request_data *req, const char *method,
1014 struct blob_attr *msg)
1015 {
1016 FILE *f;
1017 char conf[2048] = { 0 };
1018
1019 if (!(f = fopen("/etc/sysupgrade.conf", "r")))
1020 return rpc_errno_status();
1021
1022 fread(conf, sizeof(conf) - 1, 1, f);
1023 fclose(f);
1024
1025 blob_buf_init(&buf, 0);
1026 blobmsg_add_string(&buf, "config", conf);
1027
1028 ubus_send_reply(ctx, req, buf.head);
1029 return 0;
1030 }
1031
1032 static int
1033 rpc_luci2_backup_config_set(struct ubus_context *ctx, struct ubus_object *obj,
1034 struct ubus_request_data *req, const char *method,
1035 struct blob_attr *msg)
1036 {
1037 FILE *f;
1038 struct blob_attr *tb[__RPC_D_MAX];
1039
1040 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
1041 blob_data(msg), blob_len(msg));
1042
1043 if (!tb[RPC_D_DATA])
1044 return UBUS_STATUS_INVALID_ARGUMENT;
1045
1046 if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
1047 return UBUS_STATUS_NOT_SUPPORTED;
1048
1049 if (!(f = fopen("/etc/sysupgrade.conf", "w")))
1050 return rpc_errno_status();
1051
1052 fwrite(blobmsg_data(tb[RPC_D_DATA]),
1053 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
1054
1055 fclose(f);
1056 return 0;
1057 }
1058
1059 struct backup_state {
1060 bool open;
1061 void *array;
1062 };
1063
1064 static int
1065 backup_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1066 {
1067 struct backup_state *s = priv;
1068 char *nl = strchr(buf, '\n');
1069
1070 if (!nl)
1071 return 0;
1072
1073 if (!s->open)
1074 {
1075 s->open = true;
1076 s->array = blobmsg_open_array(blob, "files");
1077 }
1078
1079 *nl = 0;
1080 blobmsg_add_string(blob, NULL, buf);
1081
1082 return (nl - buf + 1);
1083 }
1084
1085 static void
1086 backup_finish_list(struct blob_buf *blob, int status, void *priv)
1087 {
1088 struct backup_state *s = priv;
1089
1090 if (!s->open)
1091 return;
1092
1093 blobmsg_close_array(blob, s->array);
1094 }
1095
1096 static int
1097 rpc_luci2_backup_list(struct ubus_context *ctx, struct ubus_object *obj,
1098 struct ubus_request_data *req, const char *method,
1099 struct blob_attr *msg)
1100 {
1101 struct backup_state *state = NULL;
1102 const char *cmd[3] = { "sysupgrade", "--list-backup", NULL };
1103
1104 state = malloc(sizeof(*state));
1105
1106 if (!state)
1107 return UBUS_STATUS_UNKNOWN_ERROR;
1108
1109 memset(state, 0, sizeof(*state));
1110
1111 return rpc_exec(cmd, backup_parse_list, NULL, backup_finish_list,
1112 state, ctx, req);
1113 }
1114
1115 static int
1116 rpc_luci2_reset_test(struct ubus_context *ctx, struct ubus_object *obj,
1117 struct ubus_request_data *req, const char *method,
1118 struct blob_attr *msg)
1119 {
1120 FILE *mtd;
1121 struct stat s;
1122 char line[64] = { 0 };
1123 bool supported = false;
1124
1125 if (!stat("/sbin/mtd", &s) && (s.st_mode & S_IXUSR))
1126 {
1127 if ((mtd = fopen("/proc/mtd", "r")) != NULL)
1128 {
1129 while (fgets(line, sizeof(line) - 1, mtd))
1130 {
1131 if (strstr(line, "\"rootfs_data\""))
1132 {
1133 supported = true;
1134 break;
1135 }
1136 }
1137
1138 fclose(mtd);
1139 }
1140 }
1141
1142 blob_buf_init(&buf, 0);
1143 blobmsg_add_u8(&buf, "supported", supported);
1144
1145 ubus_send_reply(ctx, req, buf.head);
1146
1147 return 0;
1148 }
1149
1150 static int
1151 rpc_luci2_reset_start(struct ubus_context *ctx, struct ubus_object *obj,
1152 struct ubus_request_data *req, const char *method,
1153 struct blob_attr *msg)
1154 {
1155 switch (fork())
1156 {
1157 case -1:
1158 return rpc_errno_status();
1159
1160 case 0:
1161 uloop_done();
1162
1163 chdir("/");
1164
1165 close(0);
1166 close(1);
1167 close(2);
1168
1169 sleep(1);
1170
1171 execl("/sbin/mtd", "/sbin/mtd", "-r", "erase", "rootfs_data", NULL);
1172
1173 return rpc_errno_status();
1174
1175 default:
1176 return 0;
1177 }
1178 }
1179
1180 static int
1181 rpc_luci2_reboot(struct ubus_context *ctx, struct ubus_object *obj,
1182 struct ubus_request_data *req, const char *method,
1183 struct blob_attr *msg)
1184 {
1185 switch (fork())
1186 {
1187 case -1:
1188 return rpc_errno_status();
1189
1190 case 0:
1191 chdir("/");
1192
1193 close(0);
1194 close(1);
1195 close(2);
1196
1197 sleep(1);
1198
1199 execl("/sbin/reboot", "/sbin/reboot", NULL);
1200
1201 return rpc_errno_status();
1202
1203 default:
1204 return 0;
1205 }
1206 }
1207
1208
1209 static FILE *
1210 dnsmasq_leasefile(void)
1211 {
1212 FILE *leases = NULL;
1213 struct uci_package *p;
1214 struct uci_element *e;
1215 struct uci_section *s;
1216 struct uci_ptr ptr = {
1217 .package = "dhcp",
1218 .section = NULL,
1219 .option = "leasefile"
1220 };
1221
1222 uci_load(cursor, ptr.package, &p);
1223
1224 if (!p)
1225 return NULL;
1226
1227 uci_foreach_element(&p->sections, e)
1228 {
1229 s = uci_to_section(e);
1230
1231 if (strcmp(s->type, "dnsmasq"))
1232 continue;
1233
1234 ptr.section = e->name;
1235 uci_lookup_ptr(cursor, &ptr, NULL, true);
1236 break;
1237 }
1238
1239 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
1240 leases = fopen(ptr.o->v.string, "r");
1241
1242 uci_unload(cursor, p);
1243
1244 return leases;
1245 }
1246
1247 static int
1248 rpc_luci2_network_leases(struct ubus_context *ctx, struct ubus_object *obj,
1249 struct ubus_request_data *req, const char *method,
1250 struct blob_attr *msg)
1251 {
1252 FILE *leases;
1253 void *c, *d;
1254 char line[128];
1255 char *ts, *mac, *addr, *name;
1256 time_t now = time(NULL);
1257
1258 blob_buf_init(&buf, 0);
1259 c = blobmsg_open_array(&buf, "leases");
1260
1261 leases = dnsmasq_leasefile();
1262
1263 if (!leases)
1264 goto out;
1265
1266 while (fgets(line, sizeof(line) - 1, leases))
1267 {
1268 ts = strtok(line, " \t");
1269 mac = strtok(NULL, " \t");
1270 addr = strtok(NULL, " \t");
1271 name = strtok(NULL, " \t");
1272
1273 if (!ts || !mac || !addr || !name)
1274 continue;
1275
1276 if (strchr(addr, ':'))
1277 continue;
1278
1279 d = blobmsg_open_table(&buf, NULL);
1280
1281 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1282 blobmsg_add_string(&buf, "macaddr", mac);
1283 blobmsg_add_string(&buf, "ipaddr", addr);
1284
1285 if (strcmp(name, "*"))
1286 blobmsg_add_string(&buf, "hostname", name);
1287
1288 blobmsg_close_table(&buf, d);
1289 }
1290
1291 fclose(leases);
1292
1293 out:
1294 blobmsg_close_array(&buf, c);
1295 ubus_send_reply(ctx, req, buf.head);
1296
1297 return 0;
1298 }
1299
1300 static int
1301 rpc_luci2_network_leases6(struct ubus_context *ctx, struct ubus_object *obj,
1302 struct ubus_request_data *req, const char *method,
1303 struct blob_attr *msg)
1304 {
1305 FILE *leases;
1306 void *c, *d;
1307 char line[128];
1308 char *ts, *mac, *addr, *name, *duid;
1309 time_t now = time(NULL);
1310
1311 blob_buf_init(&buf, 0);
1312 c = blobmsg_open_array(&buf, "leases");
1313
1314 leases = fopen("/tmp/hosts/6relayd", "r");
1315
1316 if (leases)
1317 {
1318 while (fgets(line, sizeof(line) - 1, leases))
1319 {
1320 if (strncmp(line, "# ", 2))
1321 continue;
1322
1323 strtok(line + 2, " \t"); /* iface */
1324
1325 duid = strtok(NULL, " \t");
1326
1327 strtok(NULL, " \t"); /* iaid */
1328
1329 name = strtok(NULL, " \t");
1330 ts = strtok(NULL, " \t");
1331
1332 strtok(NULL, " \t"); /* id */
1333 strtok(NULL, " \t"); /* length */
1334
1335 addr = strtok(NULL, " \t\n");
1336
1337 if (!addr)
1338 continue;
1339
1340 d = blobmsg_open_table(&buf, NULL);
1341
1342 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1343 blobmsg_add_string(&buf, "duid", duid);
1344 blobmsg_add_string(&buf, "ip6addr", addr);
1345
1346 if (strcmp(name, "-"))
1347 blobmsg_add_string(&buf, "hostname", name);
1348
1349 blobmsg_close_array(&buf, d);
1350 }
1351
1352 fclose(leases);
1353 }
1354 else
1355 {
1356 leases = dnsmasq_leasefile();
1357
1358 if (!leases)
1359 goto out;
1360
1361 while (fgets(line, sizeof(line) - 1, leases))
1362 {
1363 ts = strtok(line, " \t");
1364 mac = strtok(NULL, " \t");
1365 addr = strtok(NULL, " \t");
1366 name = strtok(NULL, " \t");
1367 duid = strtok(NULL, " \t\n");
1368
1369 if (!ts || !mac || !addr || !duid)
1370 continue;
1371
1372 if (!strchr(addr, ':'))
1373 continue;
1374
1375 d = blobmsg_open_table(&buf, NULL);
1376
1377 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1378 blobmsg_add_string(&buf, "macaddr", mac);
1379 blobmsg_add_string(&buf, "ip6addr", addr);
1380
1381 if (strcmp(name, "*"))
1382 blobmsg_add_string(&buf, "hostname", name);
1383
1384 if (strcmp(duid, "*"))
1385 blobmsg_add_string(&buf, "duid", name);
1386
1387 blobmsg_close_table(&buf, d);
1388 }
1389
1390 fclose(leases);
1391 }
1392
1393 out:
1394 blobmsg_close_array(&buf, c);
1395 ubus_send_reply(ctx, req, buf.head);
1396
1397 return 0;
1398 }
1399
1400 static int
1401 rpc_luci2_network_ct_count(struct ubus_context *ctx, struct ubus_object *obj,
1402 struct ubus_request_data *req, const char *method,
1403 struct blob_attr *msg)
1404 {
1405 FILE *f;
1406 char line[128];
1407
1408 blob_buf_init(&buf, 0);
1409
1410 if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_count", "r")) != NULL)
1411 {
1412 if (fgets(line, sizeof(line) - 1, f))
1413 blobmsg_add_u32(&buf, "count", atoi(line));
1414
1415 fclose(f);
1416 }
1417
1418 if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_max", "r")) != NULL)
1419 {
1420 if (fgets(line, sizeof(line) - 1, f))
1421 blobmsg_add_u32(&buf, "limit", atoi(line));
1422
1423 fclose(f);
1424 }
1425
1426 ubus_send_reply(ctx, req, buf.head);
1427
1428 return 0;
1429 }
1430
1431 static int
1432 rpc_luci2_network_ct_table(struct ubus_context *ctx, struct ubus_object *obj,
1433 struct ubus_request_data *req, const char *method,
1434 struct blob_attr *msg)
1435 {
1436 FILE *f;
1437 int i;
1438 void *c, *d;
1439 char *p, line[512];
1440 bool seen[6];
1441
1442 blob_buf_init(&buf, 0);
1443 c = blobmsg_open_array(&buf, "entries");
1444
1445 if ((f = fopen("/proc/net/nf_conntrack", "r")) != NULL)
1446 {
1447 while (fgets(line, sizeof(line) - 1, f))
1448 {
1449 d = blobmsg_open_table(&buf, NULL);
1450 memset(seen, 0, sizeof(seen));
1451
1452 for (i = 0, p = strtok(line, " "); p; i++, p = strtok(NULL, " "))
1453 {
1454 if (i == 0)
1455 blobmsg_add_u8(&buf, "ipv6", !strcmp(p, "ipv6"));
1456 else if (i == 3)
1457 blobmsg_add_u32(&buf, "protocol", atoi(p));
1458 else if (i == 4)
1459 blobmsg_add_u32(&buf, "expires", atoi(p));
1460 else if (i >= 5)
1461 {
1462 if (*p == '[')
1463 continue;
1464
1465 if (!seen[0] && !strncmp(p, "src=", 4))
1466 {
1467 blobmsg_add_string(&buf, "src", p + 4);
1468 seen[0] = true;
1469 }
1470 else if (!seen[1] && !strncmp(p, "dst=", 4))
1471 {
1472 blobmsg_add_string(&buf, "dest", p + 4);
1473 seen[1] = true;
1474 }
1475 else if (!seen[2] && !strncmp(p, "sport=", 6))
1476 {
1477 blobmsg_add_u32(&buf, "sport", atoi(p + 6));
1478 seen[2] = true;
1479 }
1480 else if (!seen[3] && !strncmp(p, "dport=", 6))
1481 {
1482 blobmsg_add_u32(&buf, "dport", atoi(p + 6));
1483 seen[3] = true;
1484 }
1485 else if (!strncmp(p, "packets=", 8))
1486 {
1487 blobmsg_add_u32(&buf,
1488 seen[4] ? "tx_packets" : "rx_packets",
1489 atoi(p + 8));
1490 seen[4] = true;
1491 }
1492 else if (!strncmp(p, "bytes=", 6))
1493 {
1494 blobmsg_add_u32(&buf,
1495 seen[5] ? "tx_bytes" : "rx_bytes",
1496 atoi(p + 6));
1497 seen[5] = true;
1498 }
1499 }
1500 }
1501
1502 blobmsg_close_table(&buf, d);
1503 }
1504
1505 fclose(f);
1506 }
1507
1508 blobmsg_close_array(&buf, c);
1509 ubus_send_reply(ctx, req, buf.head);
1510
1511 return 0;
1512 }
1513
1514 static int
1515 rpc_luci2_network_arp_table(struct ubus_context *ctx, struct ubus_object *obj,
1516 struct ubus_request_data *req, const char *method,
1517 struct blob_attr *msg)
1518 {
1519 FILE *f;
1520 void *c, *d;
1521 char *addr, *mac, *dev, line[128];
1522
1523 blob_buf_init(&buf, 0);
1524 c = blobmsg_open_array(&buf, "entries");
1525
1526 if ((f = fopen("/proc/net/arp", "r")) != NULL)
1527 {
1528 /* skip header line */
1529 fgets(line, sizeof(line) - 1, f);
1530
1531 while (fgets(line, sizeof(line) - 1, f))
1532 {
1533 addr = strtok(line, " \t");
1534
1535 strtok(NULL, " \t"); /* HW type */
1536 strtok(NULL, " \t"); /* Flags */
1537
1538 mac = strtok(NULL, " \t");
1539
1540 strtok(NULL, " \t"); /* Mask */
1541
1542 dev = strtok(NULL, " \t\n");
1543
1544 if (!dev)
1545 continue;
1546
1547 d = blobmsg_open_table(&buf, NULL);
1548 blobmsg_add_string(&buf, "ipaddr", addr);
1549 blobmsg_add_string(&buf, "macaddr", mac);
1550 blobmsg_add_string(&buf, "device", dev);
1551 blobmsg_close_table(&buf, d);
1552 }
1553
1554 fclose(f);
1555 }
1556
1557 blobmsg_close_array(&buf, c);
1558 ubus_send_reply(ctx, req, buf.head);
1559
1560 return 0;
1561 }
1562
1563 static void
1564 put_hexaddr(const char *name, const char *s, const char *m)
1565 {
1566 int bits;
1567 struct in_addr a;
1568 char as[sizeof("255.255.255.255/32\0")];
1569
1570 a.s_addr = strtoul(s, NULL, 16);
1571 inet_ntop(AF_INET, &a, as, sizeof(as));
1572
1573 if (m)
1574 {
1575 for (a.s_addr = ntohl(strtoul(m, NULL, 16)), bits = 0;
1576 a.s_addr & 0x80000000;
1577 a.s_addr <<= 1)
1578 bits++;
1579
1580 sprintf(as + strlen(as), "/%u", bits);
1581 }
1582
1583 blobmsg_add_string(&buf, name, as);
1584 }
1585
1586 static int
1587 rpc_luci2_network_routes(struct ubus_context *ctx, struct ubus_object *obj,
1588 struct ubus_request_data *req, const char *method,
1589 struct blob_attr *msg)
1590 {
1591 FILE *routes;
1592 void *c, *d;
1593 char *dst, *dmask, *next, *metric, *device;
1594 char line[256];
1595 unsigned int n;
1596
1597 if (!(routes = fopen("/proc/net/route", "r")))
1598 return rpc_errno_status();
1599
1600 blob_buf_init(&buf, 0);
1601 c = blobmsg_open_array(&buf, "routes");
1602
1603 /* skip header line */
1604 fgets(line, sizeof(line) - 1, routes);
1605
1606 while (fgets(line, sizeof(line) - 1, routes))
1607 {
1608 device = strtok(line, "\t ");
1609 dst = strtok(NULL, "\t ");
1610 next = strtok(NULL, "\t ");
1611
1612 strtok(NULL, "\t "); /* flags */
1613 strtok(NULL, "\t "); /* refcount */
1614 strtok(NULL, "\t "); /* usecount */
1615
1616 metric = strtok(NULL, "\t ");
1617 dmask = strtok(NULL, "\t ");
1618
1619 if (!dmask)
1620 continue;
1621
1622 d = blobmsg_open_table(&buf, NULL);
1623
1624 put_hexaddr("target", dst, dmask);
1625 put_hexaddr("nexthop", next, NULL);
1626
1627 n = strtoul(metric, NULL, 10);
1628 blobmsg_add_u32(&buf, "metric", n);
1629
1630 blobmsg_add_string(&buf, "device", device);
1631
1632 blobmsg_close_table(&buf, d);
1633 }
1634
1635 blobmsg_close_array(&buf, c);
1636 fclose(routes);
1637
1638 ubus_send_reply(ctx, req, buf.head);
1639 return 0;
1640 }
1641
1642 static void
1643 put_hex6addr(const char *name, const char *s, const char *m)
1644 {
1645 int i;
1646 struct in6_addr a;
1647 char as[INET6_ADDRSTRLEN + sizeof("/128")];
1648
1649 #define hex(x) \
1650 (((x) <= '9') ? ((x) - '0') : \
1651 (((x) <= 'F') ? ((x) - 'A' + 10) : \
1652 ((x) - 'a' + 10)))
1653
1654 for (i = 0; i < 16; i++, s += 2)
1655 a.s6_addr[i] = (16 * hex(*s)) + hex(*(s+1));
1656
1657 inet_ntop(AF_INET6, &a, as, sizeof(as));
1658
1659 if (m)
1660 sprintf(as + strlen(as), "/%lu", strtoul(m, NULL, 16));
1661
1662 blobmsg_add_string(&buf, name, as);
1663 }
1664
1665 static int
1666 rpc_luci2_network_routes6(struct ubus_context *ctx, struct ubus_object *obj,
1667 struct ubus_request_data *req, const char *method,
1668 struct blob_attr *msg)
1669 {
1670 FILE *routes;
1671 void *c, *d;
1672 char *src, *smask, *dst, *dmask, *next, *metric, *flags, *device;
1673 char line[256];
1674 unsigned int n;
1675
1676 if (!(routes = fopen("/proc/net/ipv6_route", "r")))
1677 return rpc_errno_status();
1678
1679 blob_buf_init(&buf, 0);
1680 c = blobmsg_open_array(&buf, "routes");
1681
1682 while (fgets(line, sizeof(line) - 1, routes))
1683 {
1684 dst = strtok(line, " ");
1685 dmask = strtok(NULL, " ");
1686 src = strtok(NULL, " ");
1687 smask = strtok(NULL, " ");
1688 next = strtok(NULL, " ");
1689 metric = strtok(NULL, " ");
1690
1691 strtok(NULL, " "); /* refcount */
1692 strtok(NULL, " "); /* usecount */
1693
1694 flags = strtok(NULL, " ");
1695 device = strtok(NULL, " \n");
1696
1697 if (!device)
1698 continue;
1699
1700 n = strtoul(flags, NULL, 16);
1701
1702 if (!(n & 1))
1703 continue;
1704
1705 d = blobmsg_open_table(&buf, NULL);
1706
1707 put_hex6addr("target", dst, dmask);
1708 put_hex6addr("source", src, smask);
1709 put_hex6addr("nexthop", next, NULL);
1710
1711 n = strtoul(metric, NULL, 16);
1712 blobmsg_add_u32(&buf, "metric", n);
1713
1714 blobmsg_add_string(&buf, "device", device);
1715
1716 blobmsg_close_table(&buf, d);
1717 }
1718
1719 blobmsg_close_array(&buf, c);
1720 fclose(routes);
1721
1722 ubus_send_reply(ctx, req, buf.head);
1723 return 0;
1724 }
1725
1726
1727 struct opkg_state {
1728 int cur_offset;
1729 int cur_count;
1730 int req_offset;
1731 int req_count;
1732 int total;
1733 bool open;
1734 void *array;
1735 };
1736
1737 static int
1738 opkg_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1739 {
1740 struct opkg_state *s = priv;
1741
1742 char *ptr, *last;
1743 char *nl = strchr(buf, '\n');
1744 char *name = NULL, *vers = NULL, *desc = NULL;
1745 void *c;
1746
1747 if (!nl)
1748 return 0;
1749
1750 s->total++;
1751
1752 if (s->cur_offset++ < s->req_offset)
1753 goto skip;
1754
1755 if (s->cur_count++ >= s->req_count)
1756 goto skip;
1757
1758 if (!s->open)
1759 {
1760 s->open = true;
1761 s->array = blobmsg_open_array(blob, "packages");
1762 }
1763
1764 for (ptr = buf, last = buf, *nl = 0; ptr <= nl; ptr++)
1765 {
1766 if (!*ptr || (*ptr == ' ' && *(ptr+1) == '-' && *(ptr+2) == ' '))
1767 {
1768 if (!name)
1769 {
1770 name = last;
1771 last = ptr + 3;
1772 *ptr = 0;
1773 ptr += 2;
1774 }
1775 else if (!vers)
1776 {
1777 vers = last;
1778 desc = *ptr ? (ptr + 3) : NULL;
1779 *ptr = 0;
1780 break;
1781 }
1782 }
1783 }
1784
1785 if (name && vers)
1786 {
1787 c = blobmsg_open_array(blob, NULL);
1788
1789 blobmsg_add_string(blob, NULL, name);
1790 blobmsg_add_string(blob, NULL, vers);
1791
1792 if (desc && *desc)
1793 blobmsg_add_string(blob, NULL, desc);
1794
1795 blobmsg_close_array(blob, c);
1796 }
1797
1798 skip:
1799 return (nl - buf + 1);
1800 }
1801
1802 static void
1803 opkg_finish_list(struct blob_buf *blob, int status, void *priv)
1804 {
1805 struct opkg_state *s = priv;
1806
1807 if (!s->open)
1808 return;
1809
1810 blobmsg_close_array(blob, s->array);
1811 blobmsg_add_u32(blob, "total", s->total);
1812 }
1813
1814 static int
1815 opkg_exec_list(const char *action, struct blob_attr *msg,
1816 struct ubus_context *ctx, struct ubus_request_data *req)
1817 {
1818 struct opkg_state *state = NULL;
1819 struct blob_attr *tb[__RPC_OM_MAX];
1820 const char *cmd[5] = { "opkg", action, "-nocase", NULL, NULL };
1821
1822 blobmsg_parse(rpc_opkg_match_policy, __RPC_OM_MAX, tb,
1823 blob_data(msg), blob_len(msg));
1824
1825 state = malloc(sizeof(*state));
1826
1827 if (!state)
1828 return UBUS_STATUS_UNKNOWN_ERROR;
1829
1830 memset(state, 0, sizeof(*state));
1831
1832 if (tb[RPC_OM_PATTERN])
1833 cmd[3] = blobmsg_data(tb[RPC_OM_PATTERN]);
1834
1835 if (tb[RPC_OM_LIMIT])
1836 state->req_count = blobmsg_get_u32(tb[RPC_OM_LIMIT]);
1837
1838 if (tb[RPC_OM_OFFSET])
1839 state->req_offset = blobmsg_get_u32(tb[RPC_OM_OFFSET]);
1840
1841 if (state->req_offset < 0)
1842 state->req_offset = 0;
1843
1844 if (state->req_count <= 0 || state->req_count > 100)
1845 state->req_count = 100;
1846
1847 return rpc_exec(cmd, opkg_parse_list, NULL, opkg_finish_list,
1848 state, ctx, req);
1849 }
1850
1851
1852 static int
1853 rpc_luci2_opkg_list(struct ubus_context *ctx, struct ubus_object *obj,
1854 struct ubus_request_data *req, const char *method,
1855 struct blob_attr *msg)
1856 {
1857 return opkg_exec_list("list", msg, ctx, req);
1858 }
1859
1860 static int
1861 rpc_luci2_opkg_list_installed(struct ubus_context *ctx, struct ubus_object *obj,
1862 struct ubus_request_data *req, const char *method,
1863 struct blob_attr *msg)
1864 {
1865 return opkg_exec_list("list-installed", msg, ctx, req);
1866 }
1867
1868 static int
1869 rpc_luci2_opkg_find(struct ubus_context *ctx, struct ubus_object *obj,
1870 struct ubus_request_data *req, const char *method,
1871 struct blob_attr *msg)
1872 {
1873 return opkg_exec_list("find", msg, ctx, req);
1874 }
1875
1876 static int
1877 rpc_luci2_opkg_update(struct ubus_context *ctx, struct ubus_object *obj,
1878 struct ubus_request_data *req, const char *method,
1879 struct blob_attr *msg)
1880 {
1881 const char *cmd[3] = { "opkg", "update", NULL };
1882 return rpc_exec(cmd, NULL, NULL, NULL, NULL, ctx, req);
1883 }
1884
1885 static int
1886 rpc_luci2_opkg_install(struct ubus_context *ctx, struct ubus_object *obj,
1887 struct ubus_request_data *req, const char *method,
1888 struct blob_attr *msg)
1889 {
1890 struct blob_attr *tb[__RPC_OP_MAX];
1891 const char *cmd[5] = { "opkg", "--force-overwrite",
1892 "install", NULL, NULL };
1893
1894 blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
1895 blob_data(msg), blob_len(msg));
1896
1897 if (!tb[RPC_OP_PACKAGE])
1898 return UBUS_STATUS_INVALID_ARGUMENT;
1899
1900 cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
1901
1902 return rpc_exec(cmd, NULL, NULL, NULL, NULL, ctx, req);
1903 }
1904
1905 static int
1906 rpc_luci2_opkg_remove(struct ubus_context *ctx, struct ubus_object *obj,
1907 struct ubus_request_data *req, const char *method,
1908 struct blob_attr *msg)
1909 {
1910 struct blob_attr *tb[__RPC_OP_MAX];
1911 const char *cmd[5] = { "opkg", "--force-removal-of-dependent-packages",
1912 "remove", NULL, NULL };
1913
1914 blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
1915 blob_data(msg), blob_len(msg));
1916
1917 if (!tb[RPC_OP_PACKAGE])
1918 return UBUS_STATUS_INVALID_ARGUMENT;
1919
1920 cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
1921
1922 return rpc_exec(cmd, NULL, NULL, NULL, NULL, ctx, req);
1923 }
1924
1925 static int
1926 rpc_luci2_opkg_config_get(struct ubus_context *ctx, struct ubus_object *obj,
1927 struct ubus_request_data *req, const char *method,
1928 struct blob_attr *msg)
1929 {
1930 FILE *f;
1931 char conf[2048] = { 0 };
1932
1933 if (!(f = fopen("/etc/opkg.conf", "r")))
1934 return rpc_errno_status();
1935
1936 fread(conf, sizeof(conf) - 1, 1, f);
1937 fclose(f);
1938
1939 blob_buf_init(&buf, 0);
1940 blobmsg_add_string(&buf, "config", conf);
1941
1942 ubus_send_reply(ctx, req, buf.head);
1943 return 0;
1944 }
1945
1946 static int
1947 rpc_luci2_opkg_config_set(struct ubus_context *ctx, struct ubus_object *obj,
1948 struct ubus_request_data *req, const char *method,
1949 struct blob_attr *msg)
1950 {
1951 FILE *f;
1952 struct blob_attr *tb[__RPC_D_MAX];
1953
1954 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
1955 blob_data(msg), blob_len(msg));
1956
1957 if (!tb[RPC_D_DATA])
1958 return UBUS_STATUS_INVALID_ARGUMENT;
1959
1960 if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
1961 return UBUS_STATUS_NOT_SUPPORTED;
1962
1963 if (!(f = fopen("/etc/opkg.conf", "w")))
1964 return rpc_errno_status();
1965
1966 fwrite(blobmsg_data(tb[RPC_D_DATA]),
1967 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
1968
1969 fclose(f);
1970 return 0;
1971 }
1972
1973
1974 static bool
1975 menu_access(struct blob_attr *sid, struct blob_attr *acls)
1976 {
1977 int rem;
1978 struct blob_attr *acl;
1979
1980 blobmsg_for_each_attr(acl, acls, rem)
1981 {
1982 if (!rpc_session_access(blobmsg_data(sid), "luci-ui",
1983 blobmsg_data(acl), "read"))
1984 return false;
1985 }
1986
1987 return true;
1988 }
1989
1990 static int
1991 rpc_luci2_ui_menu(struct ubus_context *ctx, struct ubus_object *obj,
1992 struct ubus_request_data *req, const char *method,
1993 struct blob_attr *msg)
1994 {
1995 int i, rem, rem2;
1996 glob_t gl;
1997 struct blob_buf menu = { 0 };
1998 struct blob_attr *entry, *attr;
1999 struct blob_attr *tb[__RPC_MENU_MAX];
2000 bool access;
2001 void *c;
2002
2003 blobmsg_parse(rpc_menu_policy, __RPC_MENU_MAX, tb,
2004 blob_data(msg), blob_len(msg));
2005
2006 if (!tb[RPC_MENU_SESSION])
2007 return UBUS_STATUS_INVALID_ARGUMENT;
2008
2009
2010 blob_buf_init(&buf, 0);
2011 c = blobmsg_open_table(&buf, "menu");
2012
2013 if (!glob(RPC_LUCI2_MENU_FILES, 0, NULL, &gl))
2014 {
2015 for (i = 0; i < gl.gl_pathc; i++)
2016 {
2017 blob_buf_init(&menu, 0);
2018
2019 if (!blobmsg_add_json_from_file(&menu, gl.gl_pathv[i]))
2020 continue;
2021
2022 blob_for_each_attr(entry, menu.head, rem)
2023 {
2024 access = true;
2025
2026 blobmsg_for_each_attr(attr, entry, rem2)
2027 {
2028 if (blob_id(attr) != BLOBMSG_TYPE_ARRAY)
2029 continue;
2030
2031 if (strcmp(blobmsg_name(attr), "acls"))
2032 continue;
2033
2034 access = menu_access(tb[RPC_MENU_SESSION], attr);
2035 break;
2036 }
2037
2038 if (!access)
2039 continue;
2040
2041 blobmsg_add_blob(&buf, entry);
2042 }
2043 }
2044
2045 globfree(&gl);
2046 }
2047
2048 blobmsg_close_table(&buf, c);
2049
2050 ubus_send_reply(ctx, req, buf.head);
2051 return 0;
2052 }
2053
2054
2055 int rpc_luci2_api_init(struct ubus_context *ctx)
2056 {
2057 int rv = 0;
2058
2059 static const struct ubus_method luci2_system_methods[] = {
2060 UBUS_METHOD_NOARG("syslog", rpc_luci2_system_log),
2061 UBUS_METHOD_NOARG("dmesg", rpc_luci2_system_dmesg),
2062 UBUS_METHOD_NOARG("diskfree", rpc_luci2_system_diskfree),
2063 UBUS_METHOD_NOARG("process_list", rpc_luci2_process_list),
2064 UBUS_METHOD("process_signal", rpc_luci2_process_signal,
2065 rpc_signal_policy),
2066 UBUS_METHOD_NOARG("init_list", rpc_luci2_init_list),
2067 UBUS_METHOD("init_action", rpc_luci2_init_action,
2068 rpc_init_policy),
2069 UBUS_METHOD_NOARG("rclocal_get", rpc_luci2_rclocal_get),
2070 UBUS_METHOD("rclocal_set", rpc_luci2_rclocal_set,
2071 rpc_data_policy),
2072 UBUS_METHOD_NOARG("crontab_get", rpc_luci2_crontab_get),
2073 UBUS_METHOD("crontab_set", rpc_luci2_crontab_set,
2074 rpc_data_policy),
2075 UBUS_METHOD_NOARG("sshkeys_get", rpc_luci2_sshkeys_get),
2076 UBUS_METHOD("sshkeys_set", rpc_luci2_sshkeys_set,
2077 rpc_sshkey_policy),
2078 UBUS_METHOD("password_set", rpc_luci2_password_set,
2079 rpc_password_policy),
2080 UBUS_METHOD_NOARG("led_list", rpc_luci2_led_list),
2081 UBUS_METHOD_NOARG("usb_list", rpc_luci2_usb_list),
2082 UBUS_METHOD_NOARG("upgrade_test", rpc_luci2_upgrade_test),
2083 UBUS_METHOD("upgrade_start", rpc_luci2_upgrade_start,
2084 rpc_upgrade_policy),
2085 UBUS_METHOD_NOARG("upgrade_clean", rpc_luci2_upgrade_clean),
2086 UBUS_METHOD_NOARG("backup_restore", rpc_luci2_backup_restore),
2087 UBUS_METHOD_NOARG("backup_clean", rpc_luci2_backup_clean),
2088 UBUS_METHOD_NOARG("backup_config_get", rpc_luci2_backup_config_get),
2089 UBUS_METHOD("backup_config_set", rpc_luci2_backup_config_set,
2090 rpc_data_policy),
2091 UBUS_METHOD_NOARG("backup_list", rpc_luci2_backup_list),
2092 UBUS_METHOD_NOARG("reset_test", rpc_luci2_reset_test),
2093 UBUS_METHOD_NOARG("reset_start", rpc_luci2_reset_start),
2094 UBUS_METHOD_NOARG("reboot", rpc_luci2_reboot)
2095 };
2096
2097 static struct ubus_object_type luci2_system_type =
2098 UBUS_OBJECT_TYPE("luci-rpc-luci2-system", luci2_system_methods);
2099
2100 static struct ubus_object system_obj = {
2101 .name = "luci2.system",
2102 .type = &luci2_system_type,
2103 .methods = luci2_system_methods,
2104 .n_methods = ARRAY_SIZE(luci2_system_methods),
2105 };
2106
2107
2108 static const struct ubus_method luci2_network_methods[] = {
2109 UBUS_METHOD_NOARG("conntrack_count", rpc_luci2_network_ct_count),
2110 UBUS_METHOD_NOARG("conntrack_table", rpc_luci2_network_ct_table),
2111 UBUS_METHOD_NOARG("arp_table", rpc_luci2_network_arp_table),
2112 UBUS_METHOD_NOARG("dhcp_leases", rpc_luci2_network_leases),
2113 UBUS_METHOD_NOARG("dhcp6_leases", rpc_luci2_network_leases6),
2114 UBUS_METHOD_NOARG("routes", rpc_luci2_network_routes),
2115 UBUS_METHOD_NOARG("routes6", rpc_luci2_network_routes6),
2116 };
2117
2118 static struct ubus_object_type luci2_network_type =
2119 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_network_methods);
2120
2121 static struct ubus_object network_obj = {
2122 .name = "luci2.network",
2123 .type = &luci2_network_type,
2124 .methods = luci2_network_methods,
2125 .n_methods = ARRAY_SIZE(luci2_network_methods),
2126 };
2127
2128
2129 static const struct ubus_method luci2_opkg_methods[] = {
2130 UBUS_METHOD("list", rpc_luci2_opkg_list,
2131 rpc_opkg_match_policy),
2132 UBUS_METHOD("list_installed", rpc_luci2_opkg_list_installed,
2133 rpc_opkg_match_policy),
2134 UBUS_METHOD("find", rpc_luci2_opkg_find,
2135 rpc_opkg_match_policy),
2136 UBUS_METHOD("install", rpc_luci2_opkg_install,
2137 rpc_opkg_package_policy),
2138 UBUS_METHOD("remove", rpc_luci2_opkg_remove,
2139 rpc_opkg_package_policy),
2140 UBUS_METHOD_NOARG("update", rpc_luci2_opkg_update),
2141 UBUS_METHOD_NOARG("config_get", rpc_luci2_opkg_config_get),
2142 UBUS_METHOD("config_set", rpc_luci2_opkg_config_set,
2143 rpc_data_policy)
2144 };
2145
2146 static struct ubus_object_type luci2_opkg_type =
2147 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_opkg_methods);
2148
2149 static struct ubus_object opkg_obj = {
2150 .name = "luci2.opkg",
2151 .type = &luci2_opkg_type,
2152 .methods = luci2_opkg_methods,
2153 .n_methods = ARRAY_SIZE(luci2_opkg_methods),
2154 };
2155
2156
2157 static const struct ubus_method luci2_ui_methods[] = {
2158 UBUS_METHOD_NOARG("menu", rpc_luci2_ui_menu)
2159 };
2160
2161 static struct ubus_object_type luci2_ui_type =
2162 UBUS_OBJECT_TYPE("luci-rpc-luci2-ui", luci2_ui_methods);
2163
2164 static struct ubus_object ui_obj = {
2165 .name = "luci2.ui",
2166 .type = &luci2_ui_type,
2167 .methods = luci2_ui_methods,
2168 .n_methods = ARRAY_SIZE(luci2_ui_methods),
2169 };
2170
2171 cursor = uci_alloc_context();
2172
2173 if (!cursor)
2174 return UBUS_STATUS_UNKNOWN_ERROR;
2175
2176 rv |= ubus_add_object(ctx, &system_obj);
2177 rv |= ubus_add_object(ctx, &network_obj);
2178 rv |= ubus_add_object(ctx, &opkg_obj);
2179 rv |= ubus_add_object(ctx, &ui_obj);
2180
2181 return rv;
2182 }
OpenWrt ubus RPC daemon