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