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f76f49eb0d5f9b0d54a9ba74719035a10513a44c
[project/luci2/ui.git] / luci2 / src / rpcd / luci2.c
1 /*
2 * rpcd - 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 #define _GNU_SOURCE /* crypt() */
20
21 #include <fcntl.h>
22 #include <errno.h>
23 #include <unistd.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <ctype.h>
27 #include <sys/wait.h>
28 #include <sys/stat.h>
29 #include <sys/types.h>
30 #include <sys/statvfs.h>
31 #include <dirent.h>
32 #include <arpa/inet.h>
33 #include <signal.h>
34 #include <glob.h>
35 #include <libubox/blobmsg_json.h>
36 #include <libubox/avl-cmp.h>
37 #include <libubus.h>
38 #include <uci.h>
39
40 #include <rpcd/plugin.h>
41
42 /* limit of log size buffer */
43 #define RPC_LUCI2_MAX_LOGSIZE (128 * 1024)
44 #define RPC_LUCI2_DEF_LOGSIZE (16 * 1024)
45
46 /* location of menu definitions */
47 #define RPC_LUCI2_MENU_FILES "/usr/share/rpcd/menu.d/*.json" /* */
48
49
50 static const struct rpc_daemon_ops *ops;
51
52 static struct blob_buf buf;
53 static struct uci_context *cursor;
54
55 enum {
56 RPC_S_PID,
57 RPC_S_SIGNAL,
58 __RPC_S_MAX,
59 };
60
61 static const struct blobmsg_policy rpc_signal_policy[__RPC_S_MAX] = {
62 [RPC_S_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
63 [RPC_S_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
64 };
65
66 enum {
67 RPC_I_NAME,
68 RPC_I_ACTION,
69 __RPC_I_MAX,
70 };
71
72 static const struct blobmsg_policy rpc_init_policy[__RPC_I_MAX] = {
73 [RPC_I_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
74 [RPC_I_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_STRING },
75 };
76
77 enum {
78 RPC_D_DATA,
79 __RPC_D_MAX
80 };
81
82 static const struct blobmsg_policy rpc_data_policy[__RPC_D_MAX] = {
83 [RPC_D_DATA] = { .name = "data", .type = BLOBMSG_TYPE_STRING },
84 };
85
86 enum {
87 RPC_K_KEYS,
88 __RPC_K_MAX
89 };
90
91 static const struct blobmsg_policy rpc_sshkey_policy[__RPC_K_MAX] = {
92 [RPC_K_KEYS] = { .name = "keys", .type = BLOBMSG_TYPE_ARRAY },
93 };
94
95 enum {
96 RPC_P_USER,
97 RPC_P_PASSWORD,
98 __RPC_P_MAX
99 };
100
101 static const struct blobmsg_policy rpc_password_policy[__RPC_P_MAX] = {
102 [RPC_P_USER] = { .name = "user", .type = BLOBMSG_TYPE_STRING },
103 [RPC_P_PASSWORD] = { .name = "password", .type = BLOBMSG_TYPE_STRING },
104 };
105
106 enum {
107 RPC_OM_LIMIT,
108 RPC_OM_OFFSET,
109 RPC_OM_PATTERN,
110 __RPC_OM_MAX
111 };
112
113 static const struct blobmsg_policy rpc_opkg_match_policy[__RPC_OM_MAX] = {
114 [RPC_OM_LIMIT] = { .name = "limit", .type = BLOBMSG_TYPE_INT32 },
115 [RPC_OM_OFFSET] = { .name = "offset", .type = BLOBMSG_TYPE_INT32 },
116 [RPC_OM_PATTERN] = { .name = "pattern", .type = BLOBMSG_TYPE_STRING },
117 };
118
119 enum {
120 RPC_OP_PACKAGE,
121 __RPC_OP_MAX
122 };
123
124 static const struct blobmsg_policy rpc_opkg_package_policy[__RPC_OP_MAX] = {
125 [RPC_OP_PACKAGE] = { .name = "package", .type = BLOBMSG_TYPE_STRING },
126 };
127
128 enum {
129 RPC_UPGRADE_KEEP,
130 __RPC_UPGRADE_MAX
131 };
132
133 static const struct blobmsg_policy rpc_upgrade_policy[__RPC_UPGRADE_MAX] = {
134 [RPC_UPGRADE_KEEP] = { .name = "keep", .type = BLOBMSG_TYPE_BOOL },
135 };
136
137 enum {
138 RPC_MENU_SESSION,
139 __RPC_MENU_MAX
140 };
141
142 static const struct blobmsg_policy rpc_menu_policy[__RPC_MENU_MAX] = {
143 [RPC_MENU_SESSION] = { .name = "ubus_rpc_session",
144 .type = BLOBMSG_TYPE_STRING },
145 };
146
147 enum {
148 RPC_SWITCH_NAME,
149 __RPC_SWITCH_MAX
150 };
151
152 static const struct blobmsg_policy rpc_switch_policy[__RPC_SWITCH_MAX] = {
153 [RPC_SWITCH_NAME] = { .name = "switch", .type = BLOBMSG_TYPE_STRING },
154 };
155
156
157 static int
158 rpc_errno_status(void)
159 {
160 switch (errno)
161 {
162 case EACCES:
163 return UBUS_STATUS_PERMISSION_DENIED;
164
165 case ENOTDIR:
166 return UBUS_STATUS_INVALID_ARGUMENT;
167
168 case ENOENT:
169 return UBUS_STATUS_NOT_FOUND;
170
171 case EINVAL:
172 return UBUS_STATUS_INVALID_ARGUMENT;
173
174 default:
175 return UBUS_STATUS_UNKNOWN_ERROR;
176 }
177 }
178
179 static void
180 log_read(FILE *log, int logsize)
181 {
182 int len;
183 char *logbuf;
184
185 if (logsize == 0)
186 logsize = RPC_LUCI2_DEF_LOGSIZE;
187
188 len = (logsize > RPC_LUCI2_MAX_LOGSIZE) ? RPC_LUCI2_MAX_LOGSIZE : logsize;
189 logbuf = blobmsg_alloc_string_buffer(&buf, "log", len + 1);
190
191 if (!logbuf)
192 return;
193
194 while (logsize > RPC_LUCI2_MAX_LOGSIZE)
195 {
196 len = logsize % RPC_LUCI2_MAX_LOGSIZE;
197
198 if (len == 0)
199 len = RPC_LUCI2_MAX_LOGSIZE;
200
201 fread(logbuf, 1, len, log);
202 logsize -= len;
203 }
204
205 len = fread(logbuf, 1, logsize, log);
206 *(logbuf + len) = 0;
207
208 blobmsg_add_string_buffer(&buf);
209 }
210
211 static int
212 rpc_luci2_system_log(struct ubus_context *ctx, struct ubus_object *obj,
213 struct ubus_request_data *req, const char *method,
214 struct blob_attr *msg)
215 {
216 FILE *log;
217 int logsize = 0;
218 const char *logfile = NULL;
219 struct stat st;
220 struct uci_package *p;
221 struct uci_element *e;
222 struct uci_section *s;
223 struct uci_ptr ptr = { .package = "system" };
224
225 uci_load(cursor, ptr.package, &p);
226
227 if (!p)
228 return UBUS_STATUS_NOT_FOUND;
229
230 uci_foreach_element(&p->sections, e)
231 {
232 s = uci_to_section(e);
233
234 if (strcmp(s->type, "system"))
235 continue;
236
237 ptr.o = NULL;
238 ptr.option = "log_type";
239 ptr.section = e->name;
240 uci_lookup_ptr(cursor, &ptr, NULL, true);
241 break;
242 }
243
244 if (ptr.o && ptr.o->type == UCI_TYPE_STRING &&
245 !strcmp(ptr.o->v.string, "file"))
246 {
247 ptr.o = NULL;
248 ptr.option = "log_file";
249 uci_lookup_ptr(cursor, &ptr, NULL, true);
250
251 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
252 logfile = ptr.o->v.string;
253 else
254 logfile = "/var/log/messages";
255
256 if (stat(logfile, &st) || !(log = fopen(logfile, "r")))
257 goto fail;
258
259 logsize = st.st_size;
260 }
261 else
262 {
263 ptr.o = NULL;
264 ptr.option = "log_size";
265 uci_lookup_ptr(cursor, &ptr, NULL, true);
266
267 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
268 logsize = atoi(ptr.o->v.string) * 1024;
269
270 if (!(log = popen("logread", "r")))
271 goto fail;
272 }
273
274 blob_buf_init(&buf, 0);
275
276 log_read(log, logsize);
277 fclose(log);
278
279 uci_unload(cursor, p);
280 ubus_send_reply(ctx, req, buf.head);
281 return 0;
282
283 fail:
284 uci_unload(cursor, p);
285 return rpc_errno_status();
286 }
287
288 static int
289 rpc_luci2_system_dmesg(struct ubus_context *ctx, struct ubus_object *obj,
290 struct ubus_request_data *req, const char *method,
291 struct blob_attr *msg)
292 {
293 FILE *log;
294
295 if (!(log = popen("dmesg", "r")))
296 return rpc_errno_status();
297
298 blob_buf_init(&buf, 0);
299
300 log_read(log, RPC_LUCI2_MAX_LOGSIZE);
301 fclose(log);
302
303 ubus_send_reply(ctx, req, buf.head);
304 return 0;
305 }
306
307 static int
308 rpc_luci2_system_diskfree(struct ubus_context *ctx, struct ubus_object *obj,
309 struct ubus_request_data *req, const char *method,
310 struct blob_attr *msg)
311 {
312 int i;
313 void *c;
314 struct statvfs s;
315 const char *fslist[] = {
316 "/", "root",
317 "/tmp", "tmp",
318 };
319
320 blob_buf_init(&buf, 0);
321
322 for (i = 0; i < sizeof(fslist) / sizeof(fslist[0]); i += 2)
323 {
324 if (statvfs(fslist[i], &s))
325 continue;
326
327 c = blobmsg_open_table(&buf, fslist[i+1]);
328
329 blobmsg_add_u32(&buf, "total", s.f_blocks * s.f_frsize);
330 blobmsg_add_u32(&buf, "free", s.f_bfree * s.f_frsize);
331 blobmsg_add_u32(&buf, "used", (s.f_blocks - s.f_bfree) * s.f_frsize);
332
333 blobmsg_close_table(&buf, c);
334 }
335
336 ubus_send_reply(ctx, req, buf.head);
337 return 0;
338 }
339
340 static int
341 rpc_luci2_process_list(struct ubus_context *ctx, struct ubus_object *obj,
342 struct ubus_request_data *req, const char *method,
343 struct blob_attr *msg)
344 {
345 FILE *top;
346 void *c, *d;
347 char line[1024];
348 char *pid, *ppid, *user, *stat, *vsz, *pvsz, *pcpu, *cmd;
349
350 if (!(top = popen("/bin/busybox top -bn1", "r")))
351 return rpc_errno_status();
352
353 blob_buf_init(&buf, 0);
354 c = blobmsg_open_array(&buf, "processes");
355
356 while (fgets(line, sizeof(line) - 1, top))
357 {
358 pid = strtok(line, " ");
359
360 if (*pid < '0' || *pid > '9')
361 continue;
362
363 ppid = strtok(NULL, " ");
364 user = strtok(NULL, " ");
365 stat = strtok(NULL, " ");
366
367 if (!stat)
368 continue;
369
370 if (!*(stat + 1))
371 *(stat + 1) = ' ';
372
373 if (!*(stat + 2))
374 *(stat + 2) = ' ';
375
376 *(stat + 3) = 0;
377
378 vsz = strtok(stat + 4, " ");
379 pvsz = strtok(NULL, " ");
380 pcpu = strtok(NULL, " ");
381 cmd = strtok(NULL, "\n");
382
383 if (!cmd)
384 continue;
385
386 d = blobmsg_open_table(&buf, NULL);
387
388 blobmsg_add_u32(&buf, "pid", atoi(pid));
389 blobmsg_add_u32(&buf, "ppid", atoi(ppid));
390 blobmsg_add_string(&buf, "user", user);
391 blobmsg_add_string(&buf, "stat", stat);
392 blobmsg_add_u32(&buf, "vsize", atoi(vsz) * 1024);
393 blobmsg_add_u32(&buf, "vsize_percent", atoi(pvsz));
394 blobmsg_add_u32(&buf, "cpu_percent", atoi(pcpu));
395 blobmsg_add_string(&buf, "command", cmd);
396
397 blobmsg_close_table(&buf, d);
398 }
399
400 fclose(top);
401 blobmsg_close_array(&buf, c);
402
403 ubus_send_reply(ctx, req, buf.head);
404 return 0;
405 }
406
407 static int
408 rpc_luci2_process_signal(struct ubus_context *ctx, struct ubus_object *obj,
409 struct ubus_request_data *req, const char *method,
410 struct blob_attr *msg)
411 {
412 int pid, sig;
413 struct blob_attr *tb[__RPC_S_MAX];
414
415 blobmsg_parse(rpc_signal_policy, __RPC_S_MAX, tb,
416 blob_data(msg), blob_len(msg));
417
418 if (!tb[RPC_S_SIGNAL] || !tb[RPC_S_PID])
419 {
420 errno = EINVAL;
421 return rpc_errno_status();
422 }
423
424 pid = blobmsg_get_u32(tb[RPC_S_PID]);
425 sig = blobmsg_get_u32(tb[RPC_S_SIGNAL]);
426
427 if (kill(pid, sig))
428 return rpc_errno_status();
429
430 return 0;
431 }
432
433 static int
434 rpc_luci2_init_list(struct ubus_context *ctx, struct ubus_object *obj,
435 struct ubus_request_data *req, const char *method,
436 struct blob_attr *msg)
437 {
438 int n;
439 void *c, *t;
440 char *p, path[PATH_MAX];
441 struct stat s;
442 struct dirent *e;
443 FILE *f;
444 DIR *d;
445
446 if (!(d = opendir("/etc/init.d")))
447 return rpc_errno_status();
448
449 blob_buf_init(&buf, 0);
450 c = blobmsg_open_array(&buf, "initscripts");
451
452 while ((e = readdir(d)) != NULL)
453 {
454 snprintf(path, sizeof(path) - 1, "/etc/init.d/%s", e->d_name);
455
456 if (stat(path, &s) || !S_ISREG(s.st_mode) || !(s.st_mode & S_IXUSR))
457 continue;
458
459 if ((f = fopen(path, "r")) != NULL)
460 {
461 n = -1;
462 p = fgets(path, sizeof(path) - 1, f);
463
464 if (!p || !strstr(p, "/etc/rc.common"))
465 goto skip;
466
467 t = blobmsg_open_table(&buf, NULL);
468
469 blobmsg_add_string(&buf, "name", e->d_name);
470
471 while (fgets(path, sizeof(path) - 1, f))
472 {
473 p = strtok(path, "= \t");
474
475 if (!strcmp(p, "START") && !!(p = strtok(NULL, "= \t\n")))
476 {
477 n = atoi(p);
478 blobmsg_add_u32(&buf, "start", n);
479 }
480 else if (!strcmp(p, "STOP") && !!(p = strtok(NULL, "= \t\n")))
481 {
482 blobmsg_add_u32(&buf, "stop", atoi(p));
483 break;
484 }
485 }
486
487 if (n > -1)
488 {
489 snprintf(path, sizeof(path) - 1, "/etc/rc.d/S%02d%s",
490 n, e->d_name);
491
492 blobmsg_add_u8(&buf, "enabled",
493 (!stat(path, &s) && (s.st_mode & S_IXUSR)));
494 }
495 else
496 {
497 blobmsg_add_u8(&buf, "enabled", 0);
498 }
499
500 blobmsg_close_table(&buf, t);
501
502 skip:
503 fclose(f);
504 }
505 }
506
507 closedir(d);
508 blobmsg_close_array(&buf, c);
509
510 ubus_send_reply(ctx, req, buf.head);
511 return 0;
512 }
513
514 static int
515 rpc_luci2_init_action(struct ubus_context *ctx, struct ubus_object *obj,
516 struct ubus_request_data *req, const char *method,
517 struct blob_attr *msg)
518 {
519 int fd;
520 pid_t pid;
521 struct stat s;
522 char path[PATH_MAX];
523 const char *action;
524 struct blob_attr *tb[__RPC_I_MAX];
525
526 blobmsg_parse(rpc_init_policy, __RPC_I_MAX, tb,
527 blob_data(msg), blob_len(msg));
528
529 if (!tb[RPC_I_NAME] || !tb[RPC_I_ACTION])
530 return UBUS_STATUS_INVALID_ARGUMENT;
531
532 action = blobmsg_data(tb[RPC_I_ACTION]);
533
534 if (strcmp(action, "start") && strcmp(action, "stop") &&
535 strcmp(action, "reload") && strcmp(action, "restart") &&
536 strcmp(action, "enable") && strcmp(action, "disable"))
537 return UBUS_STATUS_INVALID_ARGUMENT;
538
539 snprintf(path, sizeof(path) - 1, "/etc/init.d/%s",
540 (char *)blobmsg_data(tb[RPC_I_NAME]));
541
542 if (stat(path, &s))
543 return rpc_errno_status();
544
545 if (!(s.st_mode & S_IXUSR))
546 return UBUS_STATUS_PERMISSION_DENIED;
547
548 switch ((pid = fork()))
549 {
550 case -1:
551 return rpc_errno_status();
552
553 case 0:
554 uloop_done();
555
556 if ((fd = open("/dev/null", O_RDWR)) > -1)
557 {
558 dup2(fd, 0);
559 dup2(fd, 1);
560 dup2(fd, 2);
561
562 close(fd);
563 }
564
565 chdir("/");
566
567 if (execl(path, path, action, NULL))
568 return rpc_errno_status();
569
570 default:
571 return 0;
572 }
573 }
574
575 static int
576 rpc_luci2_rclocal_get(struct ubus_context *ctx, struct ubus_object *obj,
577 struct ubus_request_data *req, const char *method,
578 struct blob_attr *msg)
579 {
580 FILE *f;
581 char data[4096] = { 0 };
582
583 if (!(f = fopen("/etc/rc.local", "r")))
584 return rpc_errno_status();
585
586 fread(data, sizeof(data) - 1, 1, f);
587 fclose(f);
588
589 blob_buf_init(&buf, 0);
590 blobmsg_add_string(&buf, "data", data);
591
592 ubus_send_reply(ctx, req, buf.head);
593 return 0;
594 }
595
596 static int
597 rpc_luci2_rclocal_set(struct ubus_context *ctx, struct ubus_object *obj,
598 struct ubus_request_data *req, const char *method,
599 struct blob_attr *msg)
600 {
601 FILE *f;
602 struct blob_attr *tb[__RPC_D_MAX];
603
604 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
605 blob_data(msg), blob_len(msg));
606
607 if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
608 return UBUS_STATUS_INVALID_ARGUMENT;
609
610 if (!(f = fopen("/etc/rc.local", "w")))
611 return rpc_errno_status();
612
613 fwrite(blobmsg_data(tb[RPC_D_DATA]),
614 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
615
616 fclose(f);
617 return 0;
618 }
619
620 static int
621 rpc_luci2_crontab_get(struct ubus_context *ctx, struct ubus_object *obj,
622 struct ubus_request_data *req, const char *method,
623 struct blob_attr *msg)
624 {
625 FILE *f;
626 char data[4096] = { 0 };
627
628 if (!(f = fopen("/etc/crontabs/root", "r")))
629 return rpc_errno_status();
630
631 fread(data, sizeof(data) - 1, 1, f);
632 fclose(f);
633
634 blob_buf_init(&buf, 0);
635 blobmsg_add_string(&buf, "data", data);
636
637 ubus_send_reply(ctx, req, buf.head);
638 return 0;
639 }
640
641 static int
642 rpc_luci2_crontab_set(struct ubus_context *ctx, struct ubus_object *obj,
643 struct ubus_request_data *req, const char *method,
644 struct blob_attr *msg)
645 {
646 FILE *f;
647 struct stat s;
648 struct blob_attr *tb[__RPC_D_MAX];
649
650 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
651 blob_data(msg), blob_len(msg));
652
653 if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
654 return UBUS_STATUS_INVALID_ARGUMENT;
655
656 if (stat("/etc/crontabs", &s) && mkdir("/etc/crontabs", 0755))
657 return rpc_errno_status();
658
659 if (!(f = fopen("/etc/crontabs/root", "w")))
660 return rpc_errno_status();
661
662 fwrite(blobmsg_data(tb[RPC_D_DATA]),
663 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
664
665 fclose(f);
666 return 0;
667 }
668
669 static int
670 rpc_luci2_sshkeys_get(struct ubus_context *ctx, struct ubus_object *obj,
671 struct ubus_request_data *req, const char *method,
672 struct blob_attr *msg)
673 {
674 FILE *f;
675 void *c;
676 char *p, line[4096];
677
678 if (!(f = fopen("/etc/dropbear/authorized_keys", "r")))
679 return rpc_errno_status();
680
681 blob_buf_init(&buf, 0);
682 c = blobmsg_open_array(&buf, "keys");
683
684 while (fgets(line, sizeof(line) - 1, f))
685 {
686 for (p = line + strlen(line) - 1; (p > line) && isspace(*p); p--)
687 *p = 0;
688
689 for (p = line; isspace(*p); p++)
690 *p = 0;
691
692 if (*p)
693 blobmsg_add_string(&buf, NULL, p);
694 }
695
696 blobmsg_close_array(&buf, c);
697 fclose(f);
698
699 ubus_send_reply(ctx, req, buf.head);
700 return 0;
701 }
702
703 static int
704 rpc_luci2_sshkeys_set(struct ubus_context *ctx, struct ubus_object *obj,
705 struct ubus_request_data *req, const char *method,
706 struct blob_attr *msg)
707 {
708 FILE *f;
709 int rem;
710 struct blob_attr *cur, *tb[__RPC_K_MAX];
711
712 blobmsg_parse(rpc_sshkey_policy, __RPC_K_MAX, tb,
713 blob_data(msg), blob_len(msg));
714
715 if (!tb[RPC_K_KEYS])
716 return UBUS_STATUS_INVALID_ARGUMENT;
717
718 if (!(f = fopen("/etc/dropbear/authorized_keys", "w")))
719 return rpc_errno_status();
720
721 blobmsg_for_each_attr(cur, tb[RPC_K_KEYS], rem)
722 {
723 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
724 continue;
725
726 fwrite(blobmsg_data(cur), blobmsg_data_len(cur) - 1, 1, f);
727 fwrite("\n", 1, 1, f);
728 }
729
730 fclose(f);
731 return 0;
732 }
733
734 static int
735 rpc_luci2_password_set(struct ubus_context *ctx, struct ubus_object *obj,
736 struct ubus_request_data *req, const char *method,
737 struct blob_attr *msg)
738 {
739 pid_t pid;
740 int fd, fds[2];
741 struct stat s;
742 struct blob_attr *tb[__RPC_P_MAX];
743
744 blobmsg_parse(rpc_password_policy, __RPC_P_MAX, tb,
745 blob_data(msg), blob_len(msg));
746
747 if (!tb[RPC_P_USER] || !tb[RPC_P_PASSWORD])
748 return UBUS_STATUS_INVALID_ARGUMENT;
749
750 if (stat("/usr/bin/passwd", &s))
751 return UBUS_STATUS_NOT_FOUND;
752
753 if (!(s.st_mode & S_IXUSR))
754 return UBUS_STATUS_PERMISSION_DENIED;
755
756 if (pipe(fds))
757 return rpc_errno_status();
758
759 switch ((pid = fork()))
760 {
761 case -1:
762 close(fds[0]);
763 close(fds[1]);
764 return rpc_errno_status();
765
766 case 0:
767 uloop_done();
768
769 dup2(fds[0], 0);
770 close(fds[0]);
771 close(fds[1]);
772
773 if ((fd = open("/dev/null", O_RDWR)) > -1)
774 {
775 dup2(fd, 1);
776 dup2(fd, 2);
777 close(fd);
778 }
779
780 chdir("/");
781
782 if (execl("/usr/bin/passwd", "/usr/bin/passwd",
783 blobmsg_data(tb[RPC_P_USER]), NULL))
784 return rpc_errno_status();
785
786 default:
787 close(fds[0]);
788
789 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
790 blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
791 write(fds[1], "\n", 1);
792
793 usleep(100 * 1000);
794
795 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
796 blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
797 write(fds[1], "\n", 1);
798
799 close(fds[1]);
800
801 waitpid(pid, NULL, 0);
802
803 return 0;
804 }
805 }
806
807 static int
808 rpc_luci2_led_list(struct ubus_context *ctx, struct ubus_object *obj,
809 struct ubus_request_data *req, const char *method,
810 struct blob_attr *msg)
811 {
812 DIR *d;
813 FILE *f;
814 void *list, *led, *trigger;
815 char *p, *active_trigger, line[512];
816 struct dirent *e;
817
818 if (!(d = opendir("/sys/class/leds")))
819 return rpc_errno_status();
820
821 blob_buf_init(&buf, 0);
822 list = blobmsg_open_array(&buf, "leds");
823
824 while ((e = readdir(d)) != NULL)
825 {
826 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/trigger",
827 e->d_name);
828
829 if (!(f = fopen(line, "r")))
830 continue;
831
832 led = blobmsg_open_table(&buf, NULL);
833
834 blobmsg_add_string(&buf, "name", e->d_name);
835
836 if (fgets(line, sizeof(line) - 1, f))
837 {
838 trigger = blobmsg_open_array(&buf, "triggers");
839
840 for (p = strtok(line, " \n"), active_trigger = NULL;
841 p != NULL;
842 p = strtok(NULL, " \n"))
843 {
844 if (*p == '[')
845 {
846 *(p + strlen(p) - 1) = 0;
847 *p++ = 0;
848 active_trigger = p;
849 }
850
851 blobmsg_add_string(&buf, NULL, p);
852 }
853
854 blobmsg_close_array(&buf, trigger);
855
856 if (active_trigger)
857 blobmsg_add_string(&buf, "active_trigger", active_trigger);
858 }
859
860 fclose(f);
861
862 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/brightness",
863 e->d_name);
864
865 if ((f = fopen(line, "r")) != NULL)
866 {
867 if (fgets(line, sizeof(line) - 1, f))
868 blobmsg_add_u32(&buf, "brightness", atoi(line));
869
870 fclose(f);
871 }
872
873 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/max_brightness",
874 e->d_name);
875
876 if ((f = fopen(line, "r")) != NULL)
877 {
878 if (fgets(line, sizeof(line) - 1, f))
879 blobmsg_add_u32(&buf, "max_brightness", atoi(line));
880
881 fclose(f);
882 }
883
884 blobmsg_close_table(&buf, led);
885 }
886
887 closedir(d);
888
889 blobmsg_close_array(&buf, list);
890 ubus_send_reply(ctx, req, buf.head);
891
892 return 0;
893 }
894
895 static int
896 rpc_luci2_usb_list(struct ubus_context *ctx, struct ubus_object *obj,
897 struct ubus_request_data *req, const char *method,
898 struct blob_attr *msg)
899 {
900 DIR *d;
901 FILE *f;
902 int i;
903 void *list, *device;
904 char *p, line[512];
905 struct stat s;
906 struct dirent *e;
907
908 const char *attributes[] = {
909 "manufacturer", "vendor_name", "s",
910 "product", "product_name", "s",
911 "idVendor", "vendor_id", "x",
912 "idProduct", "product_id", "x",
913 "serial", "serial", "s",
914 "speed", "speed", "d",
915 };
916
917 if (!(d = opendir("/sys/bus/usb/devices")))
918 return rpc_errno_status();
919
920 blob_buf_init(&buf, 0);
921 list = blobmsg_open_array(&buf, "devices");
922
923 while ((e = readdir(d)) != NULL)
924 {
925 if (e->d_name[0] < '0' || e->d_name[0] > '9')
926 continue;
927
928 snprintf(line, sizeof(line) - 1,
929 "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[0]);
930
931 if (stat(line, &s))
932 continue;
933
934 device = blobmsg_open_table(&buf, NULL);
935
936 blobmsg_add_string(&buf, "name", e->d_name);
937
938 for (i = 0; i < sizeof(attributes) / sizeof(attributes[0]); i += 3)
939 {
940 snprintf(line, sizeof(line) - 1,
941 "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[i]);
942
943 if (!(f = fopen(line, "r")))
944 continue;
945
946 if (fgets(line, sizeof(line) - 1, f))
947 {
948 switch (*attributes[i+2])
949 {
950 case 'x':
951 blobmsg_add_u32(&buf, attributes[i+1],
952 strtoul(line, NULL, 16));
953 break;
954
955 case 'd':
956 blobmsg_add_u32(&buf, attributes[i+1],
957 strtoul(line, NULL, 10));
958 break;
959
960 default:
961 if ((p = strchr(line, '\n')) != NULL)
962 while (p > line && isspace(*p))
963 *p-- = 0;
964
965 blobmsg_add_string(&buf, attributes[i+1], line);
966 break;
967 }
968 }
969
970 fclose(f);
971 }
972
973 blobmsg_close_table(&buf, device);
974 }
975
976 closedir(d);
977
978 blobmsg_close_array(&buf, list);
979 ubus_send_reply(ctx, req, buf.head);
980
981 return 0;
982 }
983
984 static int
985 rpc_luci2_upgrade_test(struct ubus_context *ctx, struct ubus_object *obj,
986 struct ubus_request_data *req, const char *method,
987 struct blob_attr *msg)
988 {
989 const char *cmd[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL };
990 return ops->exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
991 }
992
993 static int
994 rpc_luci2_upgrade_start(struct ubus_context *ctx, struct ubus_object *obj,
995 struct ubus_request_data *req, const char *method,
996 struct blob_attr *msg)
997 {
998 return 0;
999 }
1000
1001 static int
1002 rpc_luci2_upgrade_clean(struct ubus_context *ctx, struct ubus_object *obj,
1003 struct ubus_request_data *req, const char *method,
1004 struct blob_attr *msg)
1005 {
1006 if (unlink("/tmp/firmware.bin"))
1007 return rpc_errno_status();
1008
1009 return 0;
1010 }
1011
1012 static int
1013 rpc_luci2_backup_restore(struct ubus_context *ctx, struct ubus_object *obj,
1014 struct ubus_request_data *req, const char *method,
1015 struct blob_attr *msg)
1016 {
1017 const char *cmd[4] = { "sysupgrade", "--restore-backup",
1018 "/tmp/backup.tar.gz", NULL };
1019
1020 return ops->exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
1021 }
1022
1023 static int
1024 rpc_luci2_backup_clean(struct ubus_context *ctx, struct ubus_object *obj,
1025 struct ubus_request_data *req, const char *method,
1026 struct blob_attr *msg)
1027 {
1028 if (unlink("/tmp/backup.tar.gz"))
1029 return rpc_errno_status();
1030
1031 return 0;
1032 }
1033
1034 static int
1035 rpc_luci2_backup_config_get(struct ubus_context *ctx, struct ubus_object *obj,
1036 struct ubus_request_data *req, const char *method,
1037 struct blob_attr *msg)
1038 {
1039 FILE *f;
1040 char conf[2048] = { 0 };
1041
1042 if (!(f = fopen("/etc/sysupgrade.conf", "r")))
1043 return rpc_errno_status();
1044
1045 fread(conf, sizeof(conf) - 1, 1, f);
1046 fclose(f);
1047
1048 blob_buf_init(&buf, 0);
1049 blobmsg_add_string(&buf, "config", conf);
1050
1051 ubus_send_reply(ctx, req, buf.head);
1052 return 0;
1053 }
1054
1055 static int
1056 rpc_luci2_backup_config_set(struct ubus_context *ctx, struct ubus_object *obj,
1057 struct ubus_request_data *req, const char *method,
1058 struct blob_attr *msg)
1059 {
1060 FILE *f;
1061 struct blob_attr *tb[__RPC_D_MAX];
1062
1063 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
1064 blob_data(msg), blob_len(msg));
1065
1066 if (!tb[RPC_D_DATA])
1067 return UBUS_STATUS_INVALID_ARGUMENT;
1068
1069 if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
1070 return UBUS_STATUS_NOT_SUPPORTED;
1071
1072 if (!(f = fopen("/etc/sysupgrade.conf", "w")))
1073 return rpc_errno_status();
1074
1075 fwrite(blobmsg_data(tb[RPC_D_DATA]),
1076 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
1077
1078 fclose(f);
1079 return 0;
1080 }
1081
1082 struct backup_state {
1083 bool open;
1084 void *array;
1085 };
1086
1087 static int
1088 backup_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1089 {
1090 struct backup_state *s = priv;
1091 char *nl = strchr(buf, '\n');
1092
1093 if (!nl)
1094 return 0;
1095
1096 if (!s->open)
1097 {
1098 s->open = true;
1099 s->array = blobmsg_open_array(blob, "files");
1100 }
1101
1102 *nl = 0;
1103 blobmsg_add_string(blob, NULL, buf);
1104
1105 return (nl - buf + 1);
1106 }
1107
1108 static int
1109 backup_finish_list(struct blob_buf *blob, int status, void *priv)
1110 {
1111 struct backup_state *s = priv;
1112
1113 if (!s->open)
1114 return UBUS_STATUS_NO_DATA;
1115
1116 blobmsg_close_array(blob, s->array);
1117
1118 return UBUS_STATUS_OK;
1119 }
1120
1121 static int
1122 rpc_luci2_backup_list(struct ubus_context *ctx, struct ubus_object *obj,
1123 struct ubus_request_data *req, const char *method,
1124 struct blob_attr *msg)
1125 {
1126 struct backup_state *state = NULL;
1127 const char *cmd[3] = { "sysupgrade", "--list-backup", NULL };
1128
1129 state = malloc(sizeof(*state));
1130
1131 if (!state)
1132 return UBUS_STATUS_UNKNOWN_ERROR;
1133
1134 memset(state, 0, sizeof(*state));
1135
1136 return ops->exec(cmd, NULL, backup_parse_list, NULL, backup_finish_list,
1137 state, ctx, req);
1138 }
1139
1140 static int
1141 rpc_luci2_reset_test(struct ubus_context *ctx, struct ubus_object *obj,
1142 struct ubus_request_data *req, const char *method,
1143 struct blob_attr *msg)
1144 {
1145 FILE *mtd;
1146 struct stat s;
1147 char line[64] = { 0 };
1148 bool supported = false;
1149
1150 if (!stat("/sbin/mtd", &s) && (s.st_mode & S_IXUSR))
1151 {
1152 if ((mtd = fopen("/proc/mtd", "r")) != NULL)
1153 {
1154 while (fgets(line, sizeof(line) - 1, mtd))
1155 {
1156 if (strstr(line, "\"rootfs_data\""))
1157 {
1158 supported = true;
1159 break;
1160 }
1161 }
1162
1163 fclose(mtd);
1164 }
1165 }
1166
1167 blob_buf_init(&buf, 0);
1168 blobmsg_add_u8(&buf, "supported", supported);
1169
1170 ubus_send_reply(ctx, req, buf.head);
1171
1172 return 0;
1173 }
1174
1175 static int
1176 rpc_luci2_reset_start(struct ubus_context *ctx, struct ubus_object *obj,
1177 struct ubus_request_data *req, const char *method,
1178 struct blob_attr *msg)
1179 {
1180 switch (fork())
1181 {
1182 case -1:
1183 return rpc_errno_status();
1184
1185 case 0:
1186 uloop_done();
1187
1188 chdir("/");
1189
1190 close(0);
1191 close(1);
1192 close(2);
1193
1194 sleep(1);
1195
1196 execl("/sbin/mtd", "/sbin/mtd", "-r", "erase", "rootfs_data", NULL);
1197
1198 return rpc_errno_status();
1199
1200 default:
1201 return 0;
1202 }
1203 }
1204
1205 static int
1206 rpc_luci2_reboot(struct ubus_context *ctx, struct ubus_object *obj,
1207 struct ubus_request_data *req, const char *method,
1208 struct blob_attr *msg)
1209 {
1210 switch (fork())
1211 {
1212 case -1:
1213 return rpc_errno_status();
1214
1215 case 0:
1216 chdir("/");
1217
1218 close(0);
1219 close(1);
1220 close(2);
1221
1222 sleep(1);
1223
1224 execl("/sbin/reboot", "/sbin/reboot", NULL);
1225
1226 return rpc_errno_status();
1227
1228 default:
1229 return 0;
1230 }
1231 }
1232
1233
1234 static FILE *
1235 dnsmasq_leasefile(void)
1236 {
1237 FILE *leases = NULL;
1238 struct uci_package *p;
1239 struct uci_element *e;
1240 struct uci_section *s;
1241 struct uci_ptr ptr = {
1242 .package = "dhcp",
1243 .section = NULL,
1244 .option = "leasefile"
1245 };
1246
1247 uci_load(cursor, ptr.package, &p);
1248
1249 if (!p)
1250 return NULL;
1251
1252 uci_foreach_element(&p->sections, e)
1253 {
1254 s = uci_to_section(e);
1255
1256 if (strcmp(s->type, "dnsmasq"))
1257 continue;
1258
1259 ptr.section = e->name;
1260 uci_lookup_ptr(cursor, &ptr, NULL, true);
1261 break;
1262 }
1263
1264 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
1265 leases = fopen(ptr.o->v.string, "r");
1266
1267 uci_unload(cursor, p);
1268
1269 return leases;
1270 }
1271
1272 static int
1273 rpc_luci2_network_leases(struct ubus_context *ctx, struct ubus_object *obj,
1274 struct ubus_request_data *req, const char *method,
1275 struct blob_attr *msg)
1276 {
1277 FILE *leases;
1278 void *c, *d;
1279 char line[128];
1280 char *ts, *mac, *addr, *name;
1281 time_t now = time(NULL);
1282
1283 blob_buf_init(&buf, 0);
1284 c = blobmsg_open_array(&buf, "leases");
1285
1286 leases = dnsmasq_leasefile();
1287
1288 if (!leases)
1289 goto out;
1290
1291 while (fgets(line, sizeof(line) - 1, leases))
1292 {
1293 ts = strtok(line, " \t");
1294 mac = strtok(NULL, " \t");
1295 addr = strtok(NULL, " \t");
1296 name = strtok(NULL, " \t");
1297
1298 if (!ts || !mac || !addr || !name)
1299 continue;
1300
1301 if (strchr(addr, ':'))
1302 continue;
1303
1304 d = blobmsg_open_table(&buf, NULL);
1305
1306 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1307 blobmsg_add_string(&buf, "macaddr", mac);
1308 blobmsg_add_string(&buf, "ipaddr", addr);
1309
1310 if (strcmp(name, "*"))
1311 blobmsg_add_string(&buf, "hostname", name);
1312
1313 blobmsg_close_table(&buf, d);
1314 }
1315
1316 fclose(leases);
1317
1318 out:
1319 blobmsg_close_array(&buf, c);
1320 ubus_send_reply(ctx, req, buf.head);
1321
1322 return 0;
1323 }
1324
1325 static int
1326 rpc_luci2_network_leases6(struct ubus_context *ctx, struct ubus_object *obj,
1327 struct ubus_request_data *req, const char *method,
1328 struct blob_attr *msg)
1329 {
1330 FILE *leases;
1331 void *c, *d;
1332 char line[128];
1333 char *ts, *mac, *addr, *name, *duid;
1334 time_t now = time(NULL);
1335
1336 blob_buf_init(&buf, 0);
1337 c = blobmsg_open_array(&buf, "leases");
1338
1339 leases = fopen("/tmp/hosts/6relayd", "r");
1340
1341 if (leases)
1342 {
1343 while (fgets(line, sizeof(line) - 1, leases))
1344 {
1345 if (strncmp(line, "# ", 2))
1346 continue;
1347
1348 strtok(line + 2, " \t"); /* iface */
1349
1350 duid = strtok(NULL, " \t");
1351
1352 strtok(NULL, " \t"); /* iaid */
1353
1354 name = strtok(NULL, " \t");
1355 ts = strtok(NULL, " \t");
1356
1357 strtok(NULL, " \t"); /* id */
1358 strtok(NULL, " \t"); /* length */
1359
1360 addr = strtok(NULL, " \t\n");
1361
1362 if (!addr)
1363 continue;
1364
1365 d = blobmsg_open_table(&buf, NULL);
1366
1367 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1368 blobmsg_add_string(&buf, "duid", duid);
1369 blobmsg_add_string(&buf, "ip6addr", addr);
1370
1371 if (strcmp(name, "-"))
1372 blobmsg_add_string(&buf, "hostname", name);
1373
1374 blobmsg_close_array(&buf, d);
1375 }
1376
1377 fclose(leases);
1378 }
1379 else
1380 {
1381 leases = dnsmasq_leasefile();
1382
1383 if (!leases)
1384 goto out;
1385
1386 while (fgets(line, sizeof(line) - 1, leases))
1387 {
1388 ts = strtok(line, " \t");
1389 mac = strtok(NULL, " \t");
1390 addr = strtok(NULL, " \t");
1391 name = strtok(NULL, " \t");
1392 duid = strtok(NULL, " \t\n");
1393
1394 if (!ts || !mac || !addr || !duid)
1395 continue;
1396
1397 if (!strchr(addr, ':'))
1398 continue;
1399
1400 d = blobmsg_open_table(&buf, NULL);
1401
1402 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1403 blobmsg_add_string(&buf, "macaddr", mac);
1404 blobmsg_add_string(&buf, "ip6addr", addr);
1405
1406 if (strcmp(name, "*"))
1407 blobmsg_add_string(&buf, "hostname", name);
1408
1409 if (strcmp(duid, "*"))
1410 blobmsg_add_string(&buf, "duid", name);
1411
1412 blobmsg_close_table(&buf, d);
1413 }
1414
1415 fclose(leases);
1416 }
1417
1418 out:
1419 blobmsg_close_array(&buf, c);
1420 ubus_send_reply(ctx, req, buf.head);
1421
1422 return 0;
1423 }
1424
1425 static int
1426 rpc_luci2_network_ct_count(struct ubus_context *ctx, struct ubus_object *obj,
1427 struct ubus_request_data *req, const char *method,
1428 struct blob_attr *msg)
1429 {
1430 FILE *f;
1431 char line[128];
1432
1433 blob_buf_init(&buf, 0);
1434
1435 if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_count", "r")) != NULL)
1436 {
1437 if (fgets(line, sizeof(line) - 1, f))
1438 blobmsg_add_u32(&buf, "count", atoi(line));
1439
1440 fclose(f);
1441 }
1442
1443 if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_max", "r")) != NULL)
1444 {
1445 if (fgets(line, sizeof(line) - 1, f))
1446 blobmsg_add_u32(&buf, "limit", atoi(line));
1447
1448 fclose(f);
1449 }
1450
1451 ubus_send_reply(ctx, req, buf.head);
1452
1453 return 0;
1454 }
1455
1456 static int
1457 rpc_luci2_network_ct_table(struct ubus_context *ctx, struct ubus_object *obj,
1458 struct ubus_request_data *req, const char *method,
1459 struct blob_attr *msg)
1460 {
1461 FILE *f;
1462 int i;
1463 void *c, *d;
1464 char *p, line[512];
1465 bool seen[6];
1466
1467 blob_buf_init(&buf, 0);
1468 c = blobmsg_open_array(&buf, "entries");
1469
1470 if ((f = fopen("/proc/net/nf_conntrack", "r")) != NULL)
1471 {
1472 while (fgets(line, sizeof(line) - 1, f))
1473 {
1474 d = blobmsg_open_table(&buf, NULL);
1475 memset(seen, 0, sizeof(seen));
1476
1477 for (i = 0, p = strtok(line, " "); p; i++, p = strtok(NULL, " "))
1478 {
1479 if (i == 0)
1480 blobmsg_add_u8(&buf, "ipv6", !strcmp(p, "ipv6"));
1481 else if (i == 3)
1482 blobmsg_add_u32(&buf, "protocol", atoi(p));
1483 else if (i == 4)
1484 blobmsg_add_u32(&buf, "expires", atoi(p));
1485 else if (i >= 5)
1486 {
1487 if (*p == '[')
1488 continue;
1489
1490 if (!seen[0] && !strncmp(p, "src=", 4))
1491 {
1492 blobmsg_add_string(&buf, "src", p + 4);
1493 seen[0] = true;
1494 }
1495 else if (!seen[1] && !strncmp(p, "dst=", 4))
1496 {
1497 blobmsg_add_string(&buf, "dest", p + 4);
1498 seen[1] = true;
1499 }
1500 else if (!seen[2] && !strncmp(p, "sport=", 6))
1501 {
1502 blobmsg_add_u32(&buf, "sport", atoi(p + 6));
1503 seen[2] = true;
1504 }
1505 else if (!seen[3] && !strncmp(p, "dport=", 6))
1506 {
1507 blobmsg_add_u32(&buf, "dport", atoi(p + 6));
1508 seen[3] = true;
1509 }
1510 else if (!strncmp(p, "packets=", 8))
1511 {
1512 blobmsg_add_u32(&buf,
1513 seen[4] ? "tx_packets" : "rx_packets",
1514 atoi(p + 8));
1515 seen[4] = true;
1516 }
1517 else if (!strncmp(p, "bytes=", 6))
1518 {
1519 blobmsg_add_u32(&buf,
1520 seen[5] ? "tx_bytes" : "rx_bytes",
1521 atoi(p + 6));
1522 seen[5] = true;
1523 }
1524 }
1525 }
1526
1527 blobmsg_close_table(&buf, d);
1528 }
1529
1530 fclose(f);
1531 }
1532
1533 blobmsg_close_array(&buf, c);
1534 ubus_send_reply(ctx, req, buf.head);
1535
1536 return 0;
1537 }
1538
1539 static int
1540 rpc_luci2_network_arp_table(struct ubus_context *ctx, struct ubus_object *obj,
1541 struct ubus_request_data *req, const char *method,
1542 struct blob_attr *msg)
1543 {
1544 FILE *f;
1545 void *c, *d;
1546 char *addr, *mac, *dev, line[128];
1547
1548 blob_buf_init(&buf, 0);
1549 c = blobmsg_open_array(&buf, "entries");
1550
1551 if ((f = fopen("/proc/net/arp", "r")) != NULL)
1552 {
1553 /* skip header line */
1554 fgets(line, sizeof(line) - 1, f);
1555
1556 while (fgets(line, sizeof(line) - 1, f))
1557 {
1558 addr = strtok(line, " \t");
1559
1560 strtok(NULL, " \t"); /* HW type */
1561 strtok(NULL, " \t"); /* Flags */
1562
1563 mac = strtok(NULL, " \t");
1564
1565 strtok(NULL, " \t"); /* Mask */
1566
1567 dev = strtok(NULL, " \t\n");
1568
1569 if (!dev)
1570 continue;
1571
1572 d = blobmsg_open_table(&buf, NULL);
1573 blobmsg_add_string(&buf, "ipaddr", addr);
1574 blobmsg_add_string(&buf, "macaddr", mac);
1575 blobmsg_add_string(&buf, "device", dev);
1576 blobmsg_close_table(&buf, d);
1577 }
1578
1579 fclose(f);
1580 }
1581
1582 blobmsg_close_array(&buf, c);
1583 ubus_send_reply(ctx, req, buf.head);
1584
1585 return 0;
1586 }
1587
1588 static void
1589 put_hexaddr(const char *name, const char *s, const char *m)
1590 {
1591 int bits;
1592 struct in_addr a;
1593 char as[sizeof("255.255.255.255/32\0")];
1594
1595 a.s_addr = strtoul(s, NULL, 16);
1596 inet_ntop(AF_INET, &a, as, sizeof(as));
1597
1598 if (m)
1599 {
1600 for (a.s_addr = ntohl(strtoul(m, NULL, 16)), bits = 0;
1601 a.s_addr & 0x80000000;
1602 a.s_addr <<= 1)
1603 bits++;
1604
1605 sprintf(as + strlen(as), "/%u", bits);
1606 }
1607
1608 blobmsg_add_string(&buf, name, as);
1609 }
1610
1611 static int
1612 rpc_luci2_network_routes(struct ubus_context *ctx, struct ubus_object *obj,
1613 struct ubus_request_data *req, const char *method,
1614 struct blob_attr *msg)
1615 {
1616 FILE *routes;
1617 void *c, *d;
1618 char *dst, *dmask, *next, *metric, *device;
1619 char line[256];
1620 unsigned int n;
1621
1622 if (!(routes = fopen("/proc/net/route", "r")))
1623 return rpc_errno_status();
1624
1625 blob_buf_init(&buf, 0);
1626 c = blobmsg_open_array(&buf, "routes");
1627
1628 /* skip header line */
1629 fgets(line, sizeof(line) - 1, routes);
1630
1631 while (fgets(line, sizeof(line) - 1, routes))
1632 {
1633 device = strtok(line, "\t ");
1634 dst = strtok(NULL, "\t ");
1635 next = strtok(NULL, "\t ");
1636
1637 strtok(NULL, "\t "); /* flags */
1638 strtok(NULL, "\t "); /* refcount */
1639 strtok(NULL, "\t "); /* usecount */
1640
1641 metric = strtok(NULL, "\t ");
1642 dmask = strtok(NULL, "\t ");
1643
1644 if (!dmask)
1645 continue;
1646
1647 d = blobmsg_open_table(&buf, NULL);
1648
1649 put_hexaddr("target", dst, dmask);
1650 put_hexaddr("nexthop", next, NULL);
1651
1652 n = strtoul(metric, NULL, 10);
1653 blobmsg_add_u32(&buf, "metric", n);
1654
1655 blobmsg_add_string(&buf, "device", device);
1656
1657 blobmsg_close_table(&buf, d);
1658 }
1659
1660 blobmsg_close_array(&buf, c);
1661 fclose(routes);
1662
1663 ubus_send_reply(ctx, req, buf.head);
1664 return 0;
1665 }
1666
1667 static void
1668 put_hex6addr(const char *name, const char *s, const char *m)
1669 {
1670 int i;
1671 struct in6_addr a;
1672 char as[INET6_ADDRSTRLEN + sizeof("/128")];
1673
1674 #define hex(x) \
1675 (((x) <= '9') ? ((x) - '0') : \
1676 (((x) <= 'F') ? ((x) - 'A' + 10) : \
1677 ((x) - 'a' + 10)))
1678
1679 for (i = 0; i < 16; i++, s += 2)
1680 a.s6_addr[i] = (16 * hex(*s)) + hex(*(s+1));
1681
1682 inet_ntop(AF_INET6, &a, as, sizeof(as));
1683
1684 if (m)
1685 sprintf(as + strlen(as), "/%lu", strtoul(m, NULL, 16));
1686
1687 blobmsg_add_string(&buf, name, as);
1688 }
1689
1690 static int
1691 rpc_luci2_network_routes6(struct ubus_context *ctx, struct ubus_object *obj,
1692 struct ubus_request_data *req, const char *method,
1693 struct blob_attr *msg)
1694 {
1695 FILE *routes;
1696 void *c, *d;
1697 char *src, *smask, *dst, *dmask, *next, *metric, *flags, *device;
1698 char line[256];
1699 unsigned int n;
1700
1701 if (!(routes = fopen("/proc/net/ipv6_route", "r")))
1702 return rpc_errno_status();
1703
1704 blob_buf_init(&buf, 0);
1705 c = blobmsg_open_array(&buf, "routes");
1706
1707 while (fgets(line, sizeof(line) - 1, routes))
1708 {
1709 dst = strtok(line, " ");
1710 dmask = strtok(NULL, " ");
1711 src = strtok(NULL, " ");
1712 smask = strtok(NULL, " ");
1713 next = strtok(NULL, " ");
1714 metric = strtok(NULL, " ");
1715
1716 strtok(NULL, " "); /* refcount */
1717 strtok(NULL, " "); /* usecount */
1718
1719 flags = strtok(NULL, " ");
1720 device = strtok(NULL, " \n");
1721
1722 if (!device)
1723 continue;
1724
1725 n = strtoul(flags, NULL, 16);
1726
1727 if (!(n & 1))
1728 continue;
1729
1730 d = blobmsg_open_table(&buf, NULL);
1731
1732 put_hex6addr("target", dst, dmask);
1733 put_hex6addr("source", src, smask);
1734 put_hex6addr("nexthop", next, NULL);
1735
1736 n = strtoul(metric, NULL, 16);
1737 blobmsg_add_u32(&buf, "metric", n);
1738
1739 blobmsg_add_string(&buf, "device", device);
1740
1741 blobmsg_close_table(&buf, d);
1742 }
1743
1744 blobmsg_close_array(&buf, c);
1745 fclose(routes);
1746
1747 ubus_send_reply(ctx, req, buf.head);
1748 return 0;
1749 }
1750
1751
1752 struct swconfig_state {
1753 bool open;
1754 void *array;
1755 bool open2;
1756 void *array2;
1757 int port;
1758 };
1759
1760 static int
1761 swconfig_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1762 {
1763 char *p;
1764 char *nl = strchr(buf, '\n');
1765 struct swconfig_state *s = priv;
1766
1767 if (!nl)
1768 return 0;
1769
1770 if (!s->open)
1771 {
1772 s->open = true;
1773 s->array = blobmsg_open_array(blob, "switches");
1774 }
1775
1776 strtok(buf, "-");
1777 p = strtok(NULL, " \n");
1778
1779 if (p)
1780 blobmsg_add_string(blob, NULL, p);
1781
1782 return (nl - buf + 1);
1783 }
1784
1785 static int
1786 swconfig_finish_list(struct blob_buf *blob, int status, void *priv)
1787 {
1788 struct swconfig_state *s = priv;
1789
1790 if (!s->open)
1791 return UBUS_STATUS_NO_DATA;
1792
1793 blobmsg_close_array(blob, s->array);
1794
1795 return UBUS_STATUS_OK;
1796 }
1797
1798 static int
1799 rpc_luci2_network_sw_list(struct ubus_context *ctx, struct ubus_object *obj,
1800 struct ubus_request_data *req, const char *method,
1801 struct blob_attr *msg)
1802 {
1803 struct swconfig_state *state = NULL;
1804 const char *cmd[3] = { "swconfig", "list", NULL };
1805
1806 state = malloc(sizeof(*state));
1807
1808 if (!state)
1809 return UBUS_STATUS_UNKNOWN_ERROR;
1810
1811 memset(state, 0, sizeof(*state));
1812
1813 return ops->exec(cmd, NULL, swconfig_parse_list, NULL, swconfig_finish_list,
1814 state, ctx, req);
1815 }
1816
1817
1818 static int
1819 swconfig_parse_help(struct blob_buf *blob, char *buf, int len, void *priv)
1820 {
1821 void *c;
1822 char *p;
1823 char *nl = strchr(buf, '\n');
1824 struct swconfig_state *s = priv;
1825
1826 if (!nl)
1827 return 0;
1828
1829 if (!s->open)
1830 {
1831 s->open = true;
1832 s->array = blobmsg_open_table(blob, "info");
1833 }
1834
1835 switch (*buf)
1836 {
1837 case ' ':
1838 strtok(buf, "-");
1839 p = strtok(NULL, "-\n");
1840
1841 if (p)
1842 {
1843 if (s->open2)
1844 blobmsg_close_array(blob, s->array2);
1845
1846 s->array2 = blobmsg_open_array(blob, p);
1847 s->open2 = true;
1848 }
1849
1850 break;
1851
1852 case '\t':
1853 c = blobmsg_open_table(blob, NULL);
1854
1855 strtok(buf, "(");
1856 p = strtok(NULL, ")");
1857
1858 if (p)
1859 blobmsg_add_string(blob, "type", p);
1860
1861 p = strtok(NULL, ":( ");
1862
1863 if (p)
1864 blobmsg_add_string(blob, "name", p);
1865
1866 p = strtok(NULL, "\n");
1867 *(nl - 1) = 0;
1868
1869 if (p)
1870 blobmsg_add_string(blob, "description", p + 1);
1871
1872 blobmsg_close_table(blob, c);
1873 break;
1874
1875 default:
1876 strtok(buf, "(");
1877 p = strtok(NULL, ")");
1878
1879 if (p)
1880 blobmsg_add_string(blob, "model", p);
1881
1882 strtok(NULL, ":");
1883 p = strtok(NULL, "(");
1884
1885 if (p)
1886 blobmsg_add_u32(blob, "num_ports", atoi(p));
1887
1888 strtok(NULL, "@");
1889 p = strtok(NULL, ")");
1890
1891 if (p)
1892 blobmsg_add_u32(blob, "cpu_port", atoi(p));
1893
1894 strtok(NULL, ":");
1895 p = strtok(NULL, "\n");
1896
1897 if (p)
1898 blobmsg_add_u32(blob, "num_vlans", atoi(p));
1899
1900 break;
1901 }
1902
1903 return (nl - buf + 1);
1904 }
1905
1906 static int
1907 swconfig_finish_help(struct blob_buf *blob, int status, void *priv)
1908 {
1909 struct swconfig_state *s = priv;
1910
1911 if (!s->open)
1912 return UBUS_STATUS_NO_DATA;
1913
1914 if (s->open2)
1915 blobmsg_close_array(blob, s->array2);
1916
1917 blobmsg_close_table(blob, s->array);
1918
1919 return UBUS_STATUS_OK;
1920 }
1921
1922 static int
1923 rpc_luci2_network_sw_info(struct ubus_context *ctx, struct ubus_object *obj,
1924 struct ubus_request_data *req, const char *method,
1925 struct blob_attr *msg)
1926 {
1927 struct swconfig_state *state = NULL;
1928 struct blob_attr *tb[__RPC_SWITCH_MAX];
1929 const char *cmd[5] = { "swconfig", "dev", NULL, "help", NULL };
1930
1931 blobmsg_parse(rpc_switch_policy, __RPC_SWITCH_MAX, tb,
1932 blob_data(msg), blob_len(msg));
1933
1934 if (!tb[RPC_SWITCH_NAME])
1935 return UBUS_STATUS_INVALID_ARGUMENT;
1936
1937 state = malloc(sizeof(*state));
1938
1939 if (!state)
1940 return UBUS_STATUS_UNKNOWN_ERROR;
1941
1942 memset(state, 0, sizeof(*state));
1943
1944 cmd[2] = blobmsg_get_string(tb[RPC_SWITCH_NAME]);
1945
1946 return ops->exec(cmd, NULL, swconfig_parse_help, NULL, swconfig_finish_help,
1947 state, ctx, req);
1948 }
1949
1950
1951 static void
1952 swconfig_parse_link(struct blob_buf *blob, char *val)
1953 {
1954 char *p;
1955
1956 int speed = 0;
1957
1958 bool rxflow = false;
1959 bool txflow = false;
1960 bool duplex = false;
1961 bool aneg = false;
1962 bool up = false;
1963
1964 for (p = strtok(val, " "); p; p = strtok(NULL, " "))
1965 {
1966 if (!strncmp(p, "speed:", 6))
1967 speed = atoi(p + 6);
1968 else if (!strcmp(p, "link:up"))
1969 up = true;
1970 else if (!strcmp(p, "txflow"))
1971 txflow = true;
1972 else if (!strcmp(p, "rxflow"))
1973 rxflow = true;
1974 else if (!strcmp(p, "full-duplex"))
1975 duplex = true;
1976 else if (!strcmp(p, "auto"))
1977 aneg = true;
1978 }
1979
1980 blobmsg_add_u8(blob, "link", up);
1981 blobmsg_add_u8(blob, "rx_flow_control", rxflow);
1982 blobmsg_add_u8(blob, "tx_flow_control", txflow);
1983 blobmsg_add_u8(blob, "full_duplex", duplex);
1984 blobmsg_add_u8(blob, "auto_negotiation", aneg);
1985 blobmsg_add_u32(blob, "speed", speed);
1986 }
1987
1988 static int
1989 swconfig_parse_stat(struct blob_buf *blob, char *buf, int len, void *priv)
1990 {
1991 char *p, *v;
1992 char *nl = strchr(buf, '\n');
1993 struct swconfig_state *s = priv;
1994
1995 if (!nl)
1996 return 0;
1997
1998 if (nl == buf)
1999 return 1;
2000
2001 if (!s->open)
2002 {
2003 s->open = true;
2004 s->array = blobmsg_open_array(blob, "ports");
2005 }
2006
2007 p = strtok(buf, " :\t");
2008
2009 if (p)
2010 {
2011 if (!strcmp(p, "Port"))
2012 {
2013 if (s->open2)
2014 blobmsg_close_table(blob, s->array2);
2015
2016 s->array2 = blobmsg_open_table(blob, NULL);
2017 s->open2 = true;
2018 }
2019 else if (s->open2)
2020 {
2021 v = strtok(NULL, "\n");
2022
2023 if (v)
2024 {
2025 if (!strcmp(p, "link"))
2026 swconfig_parse_link(blob, v);
2027 }
2028 }
2029 }
2030
2031 return (nl - buf + 1);
2032 }
2033
2034 static int
2035 swconfig_finish_stat(struct blob_buf *blob, int status, void *priv)
2036 {
2037 struct swconfig_state *s = priv;
2038
2039 if (!s->open)
2040 return UBUS_STATUS_NO_DATA;
2041
2042 if (s->open2)
2043 blobmsg_close_table(blob, s->array2);
2044
2045 blobmsg_close_array(blob, s->array);
2046
2047 return UBUS_STATUS_OK;
2048 }
2049
2050 static int
2051 rpc_luci2_network_sw_status(struct ubus_context *ctx, struct ubus_object *obj,
2052 struct ubus_request_data *req, const char *method,
2053 struct blob_attr *msg)
2054 {
2055 struct swconfig_state *state = NULL;
2056 struct blob_attr *tb[__RPC_SWITCH_MAX];
2057 const char *cmd[5] = { "swconfig", "dev", NULL, "show", NULL };
2058
2059 blobmsg_parse(rpc_switch_policy, __RPC_SWITCH_MAX, tb,
2060 blob_data(msg), blob_len(msg));
2061
2062 if (!tb[RPC_SWITCH_NAME])
2063 return UBUS_STATUS_INVALID_ARGUMENT;
2064
2065 state = malloc(sizeof(*state));
2066
2067 if (!state)
2068 return UBUS_STATUS_UNKNOWN_ERROR;
2069
2070 memset(state, 0, sizeof(*state));
2071
2072 cmd[2] = blobmsg_get_string(tb[RPC_SWITCH_NAME]);
2073
2074 return ops->exec(cmd, NULL, swconfig_parse_stat, NULL, swconfig_finish_stat,
2075 state, ctx, req);
2076 }
2077
2078 enum {
2079 NETWORK_CMD_PING,
2080 NETWORK_CMD_PING6,
2081 NETWORK_CMD_TRACEROUTE,
2082 NETWORK_CMD_TRACEROUTE6,
2083 NETWORK_CMD_NSLOOKUP
2084 };
2085
2086 static int
2087 network_cmd(struct ubus_context *ctx, struct ubus_request_data *req,
2088 struct blob_attr *msg, int which)
2089 {
2090 char *arg;
2091 struct blob_attr *tb[__RPC_D_MAX];
2092
2093 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
2094 blob_data(msg), blob_len(msg));
2095
2096 if (!tb[RPC_D_DATA])
2097 return UBUS_STATUS_INVALID_ARGUMENT;
2098
2099 arg = blobmsg_get_string(tb[RPC_D_DATA]);
2100
2101 const char *cmds[][8] = {
2102 [NETWORK_CMD_PING] = {
2103 "ping", "-c", "5", "-W", "1", arg
2104 },
2105 [NETWORK_CMD_PING6] = {
2106 "ping6", "-c", "5", "-W", "1", arg
2107 },
2108 [NETWORK_CMD_TRACEROUTE] = {
2109 "traceroute", "-q", "1", "-w", "1", "-n", arg
2110 },
2111 [NETWORK_CMD_TRACEROUTE6] = {
2112 "traceroute6", "-q", "1", "-w", "2", "-n", arg
2113 },
2114 [NETWORK_CMD_NSLOOKUP] = {
2115 "nslookup", arg
2116 }
2117 };
2118
2119 return ops->exec(cmds[which], NULL, NULL, NULL, NULL, NULL, ctx, req);
2120 }
2121
2122 static int
2123 rpc_luci2_network_ping(struct ubus_context *ctx, struct ubus_object *obj,
2124 struct ubus_request_data *req, const char *method,
2125 struct blob_attr *msg)
2126 {
2127 return network_cmd(ctx, req, msg, NETWORK_CMD_PING);
2128 }
2129
2130 static int
2131 rpc_luci2_network_ping6(struct ubus_context *ctx, struct ubus_object *obj,
2132 struct ubus_request_data *req, const char *method,
2133 struct blob_attr *msg)
2134 {
2135 return network_cmd(ctx, req, msg, NETWORK_CMD_PING6);
2136 }
2137
2138 static int
2139 rpc_luci2_network_traceroute(struct ubus_context *ctx, struct ubus_object *obj,
2140 struct ubus_request_data *req, const char *method,
2141 struct blob_attr *msg)
2142 {
2143 return network_cmd(ctx, req, msg, NETWORK_CMD_TRACEROUTE);
2144 }
2145
2146 static int
2147 rpc_luci2_network_traceroute6(struct ubus_context *ctx, struct ubus_object *obj,
2148 struct ubus_request_data *req, const char *method,
2149 struct blob_attr *msg)
2150 {
2151 return network_cmd(ctx, req, msg, NETWORK_CMD_TRACEROUTE6);
2152 }
2153
2154 static int
2155 rpc_luci2_network_nslookup(struct ubus_context *ctx, struct ubus_object *obj,
2156 struct ubus_request_data *req, const char *method,
2157 struct blob_attr *msg)
2158 {
2159 return network_cmd(ctx, req, msg, NETWORK_CMD_NSLOOKUP);
2160 }
2161
2162
2163 struct opkg_state {
2164 int cur_offset;
2165 int cur_count;
2166 int req_offset;
2167 int req_count;
2168 int total;
2169 bool open;
2170 void *array;
2171 };
2172
2173 static int
2174 opkg_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
2175 {
2176 struct opkg_state *s = priv;
2177
2178 char *ptr, *last;
2179 char *nl = strchr(buf, '\n');
2180 char *name = NULL, *vers = NULL, *desc = NULL;
2181 void *c;
2182
2183 if (!nl)
2184 return 0;
2185
2186 s->total++;
2187
2188 if (s->cur_offset++ < s->req_offset)
2189 goto skip;
2190
2191 if (s->cur_count++ >= s->req_count)
2192 goto skip;
2193
2194 if (!s->open)
2195 {
2196 s->open = true;
2197 s->array = blobmsg_open_array(blob, "packages");
2198 }
2199
2200 for (ptr = buf, last = buf, *nl = 0; ptr <= nl; ptr++)
2201 {
2202 if (!*ptr || (*ptr == ' ' && *(ptr+1) == '-' && *(ptr+2) == ' '))
2203 {
2204 if (!name)
2205 {
2206 name = last;
2207 last = ptr + 3;
2208 *ptr = 0;
2209 ptr += 2;
2210 }
2211 else if (!vers)
2212 {
2213 vers = last;
2214 desc = *ptr ? (ptr + 3) : NULL;
2215 *ptr = 0;
2216 break;
2217 }
2218 }
2219 }
2220
2221 if (name && vers)
2222 {
2223 c = blobmsg_open_array(blob, NULL);
2224
2225 blobmsg_add_string(blob, NULL, name);
2226 blobmsg_add_string(blob, NULL, vers);
2227
2228 if (desc && *desc)
2229 blobmsg_add_string(blob, NULL, desc);
2230
2231 blobmsg_close_array(blob, c);
2232 }
2233
2234 skip:
2235 return (nl - buf + 1);
2236 }
2237
2238 static int
2239 opkg_finish_list(struct blob_buf *blob, int status, void *priv)
2240 {
2241 struct opkg_state *s = priv;
2242
2243 if (!s->open)
2244 return UBUS_STATUS_NO_DATA;
2245
2246 blobmsg_close_array(blob, s->array);
2247 blobmsg_add_u32(blob, "total", s->total);
2248
2249 return UBUS_STATUS_OK;
2250 }
2251
2252 static int
2253 opkg_exec_list(const char *action, struct blob_attr *msg,
2254 struct ubus_context *ctx, struct ubus_request_data *req)
2255 {
2256 struct opkg_state *state = NULL;
2257 struct blob_attr *tb[__RPC_OM_MAX];
2258 const char *cmd[5] = { "opkg", action, "-nocase", NULL, NULL };
2259
2260 blobmsg_parse(rpc_opkg_match_policy, __RPC_OM_MAX, tb,
2261 blob_data(msg), blob_len(msg));
2262
2263 state = malloc(sizeof(*state));
2264
2265 if (!state)
2266 return UBUS_STATUS_UNKNOWN_ERROR;
2267
2268 memset(state, 0, sizeof(*state));
2269
2270 if (tb[RPC_OM_PATTERN])
2271 cmd[3] = blobmsg_data(tb[RPC_OM_PATTERN]);
2272
2273 if (tb[RPC_OM_LIMIT])
2274 state->req_count = blobmsg_get_u32(tb[RPC_OM_LIMIT]);
2275
2276 if (tb[RPC_OM_OFFSET])
2277 state->req_offset = blobmsg_get_u32(tb[RPC_OM_OFFSET]);
2278
2279 if (state->req_offset < 0)
2280 state->req_offset = 0;
2281
2282 if (state->req_count <= 0 || state->req_count > 100)
2283 state->req_count = 100;
2284
2285 return ops->exec(cmd, NULL, opkg_parse_list, NULL, opkg_finish_list,
2286 state, ctx, req);
2287 }
2288
2289
2290 static int
2291 rpc_luci2_opkg_list(struct ubus_context *ctx, struct ubus_object *obj,
2292 struct ubus_request_data *req, const char *method,
2293 struct blob_attr *msg)
2294 {
2295 return opkg_exec_list("list", msg, ctx, req);
2296 }
2297
2298 static int
2299 rpc_luci2_opkg_list_installed(struct ubus_context *ctx, struct ubus_object *obj,
2300 struct ubus_request_data *req, const char *method,
2301 struct blob_attr *msg)
2302 {
2303 return opkg_exec_list("list-installed", msg, ctx, req);
2304 }
2305
2306 static int
2307 rpc_luci2_opkg_find(struct ubus_context *ctx, struct ubus_object *obj,
2308 struct ubus_request_data *req, const char *method,
2309 struct blob_attr *msg)
2310 {
2311 return opkg_exec_list("find", msg, ctx, req);
2312 }
2313
2314 static int
2315 rpc_luci2_opkg_update(struct ubus_context *ctx, struct ubus_object *obj,
2316 struct ubus_request_data *req, const char *method,
2317 struct blob_attr *msg)
2318 {
2319 const char *cmd[3] = { "opkg", "update", NULL };
2320 return ops->exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
2321 }
2322
2323 static int
2324 rpc_luci2_opkg_install(struct ubus_context *ctx, struct ubus_object *obj,
2325 struct ubus_request_data *req, const char *method,
2326 struct blob_attr *msg)
2327 {
2328 struct blob_attr *tb[__RPC_OP_MAX];
2329 const char *cmd[5] = { "opkg", "--force-overwrite",
2330 "install", NULL, NULL };
2331
2332 blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
2333 blob_data(msg), blob_len(msg));
2334
2335 if (!tb[RPC_OP_PACKAGE])
2336 return UBUS_STATUS_INVALID_ARGUMENT;
2337
2338 cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
2339
2340 return ops->exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
2341 }
2342
2343 static int
2344 rpc_luci2_opkg_remove(struct ubus_context *ctx, struct ubus_object *obj,
2345 struct ubus_request_data *req, const char *method,
2346 struct blob_attr *msg)
2347 {
2348 struct blob_attr *tb[__RPC_OP_MAX];
2349 const char *cmd[5] = { "opkg", "--force-removal-of-dependent-packages",
2350 "remove", NULL, NULL };
2351
2352 blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
2353 blob_data(msg), blob_len(msg));
2354
2355 if (!tb[RPC_OP_PACKAGE])
2356 return UBUS_STATUS_INVALID_ARGUMENT;
2357
2358 cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
2359
2360 return ops->exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
2361 }
2362
2363 static int
2364 rpc_luci2_opkg_config_get(struct ubus_context *ctx, struct ubus_object *obj,
2365 struct ubus_request_data *req, const char *method,
2366 struct blob_attr *msg)
2367 {
2368 FILE *f;
2369 char conf[2048] = { 0 };
2370
2371 if (!(f = fopen("/etc/opkg.conf", "r")))
2372 return rpc_errno_status();
2373
2374 fread(conf, sizeof(conf) - 1, 1, f);
2375 fclose(f);
2376
2377 blob_buf_init(&buf, 0);
2378 blobmsg_add_string(&buf, "config", conf);
2379
2380 ubus_send_reply(ctx, req, buf.head);
2381 return 0;
2382 }
2383
2384 static int
2385 rpc_luci2_opkg_config_set(struct ubus_context *ctx, struct ubus_object *obj,
2386 struct ubus_request_data *req, const char *method,
2387 struct blob_attr *msg)
2388 {
2389 FILE *f;
2390 struct blob_attr *tb[__RPC_D_MAX];
2391
2392 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
2393 blob_data(msg), blob_len(msg));
2394
2395 if (!tb[RPC_D_DATA])
2396 return UBUS_STATUS_INVALID_ARGUMENT;
2397
2398 if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
2399 return UBUS_STATUS_NOT_SUPPORTED;
2400
2401 if (!(f = fopen("/etc/opkg.conf", "w")))
2402 return rpc_errno_status();
2403
2404 fwrite(blobmsg_data(tb[RPC_D_DATA]),
2405 blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
2406
2407 fclose(f);
2408 return 0;
2409 }
2410
2411
2412 static bool
2413 menu_access(struct blob_attr *sid, struct blob_attr *acls, struct blob_buf *e)
2414 {
2415 int rem;
2416 struct blob_attr *acl;
2417 bool rv = true;
2418 void *c;
2419
2420 c = blobmsg_open_table(e, "write");
2421
2422 blobmsg_for_each_attr(acl, acls, rem)
2423 {
2424 if (!ops->session_access(blobmsg_data(sid), "access-group",
2425 blobmsg_data(acl), "read"))
2426 {
2427 rv = false;
2428 break;
2429 }
2430
2431 blobmsg_add_u8(e, blobmsg_data(acl),
2432 ops->session_access(blobmsg_data(sid), "access-group",
2433 blobmsg_data(acl), "write"));
2434 }
2435
2436 blobmsg_close_table(e, c);
2437
2438 return rv;
2439 }
2440
2441 static int
2442 rpc_luci2_ui_menu(struct ubus_context *ctx, struct ubus_object *obj,
2443 struct ubus_request_data *req, const char *method,
2444 struct blob_attr *msg)
2445 {
2446 int i, rem, rem2;
2447 glob_t gl;
2448 struct blob_buf menu = { 0 };
2449 struct blob_buf item = { 0 };
2450 struct blob_attr *entry, *attr;
2451 struct blob_attr *tb[__RPC_MENU_MAX];
2452 bool access;
2453 void *c, *d;
2454
2455 blobmsg_parse(rpc_menu_policy, __RPC_MENU_MAX, tb,
2456 blob_data(msg), blob_len(msg));
2457
2458 if (!tb[RPC_MENU_SESSION])
2459 return UBUS_STATUS_INVALID_ARGUMENT;
2460
2461
2462 blob_buf_init(&buf, 0);
2463 c = blobmsg_open_table(&buf, "menu");
2464
2465 if (!glob(RPC_LUCI2_MENU_FILES, 0, NULL, &gl))
2466 {
2467 for (i = 0; i < gl.gl_pathc; i++)
2468 {
2469 blob_buf_init(&menu, 0);
2470
2471 if (!blobmsg_add_json_from_file(&menu, gl.gl_pathv[i]))
2472 goto skip;
2473
2474 blob_for_each_attr(entry, menu.head, rem)
2475 {
2476 access = true;
2477
2478 blob_buf_init(&item, 0);
2479 d = blobmsg_open_table(&item, blobmsg_name(entry));
2480
2481 blobmsg_for_each_attr(attr, entry, rem2)
2482 {
2483 if (blob_id(attr) == BLOBMSG_TYPE_ARRAY &&
2484 !strcmp(blobmsg_name(attr), "acls"))
2485 access = menu_access(tb[RPC_MENU_SESSION], attr, &item);
2486 else
2487 blobmsg_add_blob(&item, attr);
2488 }
2489
2490 blobmsg_close_table(&item, d);
2491
2492 if (access)
2493 blob_for_each_attr(attr, item.head, rem2)
2494 blobmsg_add_blob(&buf, attr);
2495
2496 blob_buf_free(&item);
2497 }
2498
2499 skip:
2500 blob_buf_free(&menu);
2501 }
2502
2503 globfree(&gl);
2504 }
2505
2506 blobmsg_close_table(&buf, c);
2507
2508 ubus_send_reply(ctx, req, buf.head);
2509 return 0;
2510 }
2511
2512
2513 static void
2514 parse_acl_file(struct blob_buf *acls, const char *path)
2515 {
2516 struct blob_buf acl = { 0 };
2517 struct blob_attr *cur;
2518 void *c;
2519 int rem;
2520
2521 blob_buf_init(&acl, 0);
2522
2523 if (blobmsg_add_json_from_file(&acl, path))
2524 {
2525 c = blobmsg_open_table(acls, NULL);
2526
2527 blob_for_each_attr(cur, acl.head, rem)
2528 blobmsg_add_blob(acls, cur);
2529
2530 blobmsg_close_table(acls, c);
2531 }
2532
2533 blob_buf_free(&acl);
2534 }
2535
2536 static int
2537 rpc_luci2_ui_acls(struct ubus_context *ctx, struct ubus_object *obj,
2538 struct ubus_request_data *req, const char *method,
2539 struct blob_attr *msg)
2540 {
2541 int i;
2542 void *c;
2543 glob_t gl;
2544
2545 if (glob(RPC_SESSION_ACL_DIR "/*.json", 0, NULL, &gl))
2546 return rpc_errno_status();
2547
2548 blob_buf_init(&buf, 0);
2549 c = blobmsg_open_array(&buf, "acls");
2550
2551 for (i = 0; i < gl.gl_pathc; i++)
2552 parse_acl_file(&buf, gl.gl_pathv[i]);
2553
2554 globfree(&gl);
2555 blobmsg_close_array(&buf, c);
2556
2557 ubus_send_reply(ctx, req, buf.head);
2558 return 0;
2559 }
2560
2561 static int
2562 rpc_luci2_ui_crypt(struct ubus_context *ctx, struct ubus_object *obj,
2563 struct ubus_request_data *req, const char *method,
2564 struct blob_attr *msg)
2565 {
2566 char *hash;
2567 struct blob_attr *tb[__RPC_D_MAX];
2568
2569 blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
2570 blob_data(msg), blob_len(msg));
2571
2572 if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 128)
2573 return UBUS_STATUS_INVALID_ARGUMENT;
2574
2575 hash = crypt(blobmsg_get_string(tb[RPC_D_DATA]), "$1$");
2576
2577 blob_buf_init(&buf, 0);
2578 blobmsg_add_string(&buf, "crypt", hash);
2579
2580 ubus_send_reply(ctx, req, buf.head);
2581 return 0;
2582 }
2583
2584
2585 static int
2586 rpc_luci2_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
2587 {
2588 int rv = 0;
2589
2590 static const struct ubus_method luci2_system_methods[] = {
2591 UBUS_METHOD_NOARG("syslog", rpc_luci2_system_log),
2592 UBUS_METHOD_NOARG("dmesg", rpc_luci2_system_dmesg),
2593 UBUS_METHOD_NOARG("diskfree", rpc_luci2_system_diskfree),
2594 UBUS_METHOD_NOARG("process_list", rpc_luci2_process_list),
2595 UBUS_METHOD("process_signal", rpc_luci2_process_signal,
2596 rpc_signal_policy),
2597 UBUS_METHOD_NOARG("init_list", rpc_luci2_init_list),
2598 UBUS_METHOD("init_action", rpc_luci2_init_action,
2599 rpc_init_policy),
2600 UBUS_METHOD_NOARG("rclocal_get", rpc_luci2_rclocal_get),
2601 UBUS_METHOD("rclocal_set", rpc_luci2_rclocal_set,
2602 rpc_data_policy),
2603 UBUS_METHOD_NOARG("crontab_get", rpc_luci2_crontab_get),
2604 UBUS_METHOD("crontab_set", rpc_luci2_crontab_set,
2605 rpc_data_policy),
2606 UBUS_METHOD_NOARG("sshkeys_get", rpc_luci2_sshkeys_get),
2607 UBUS_METHOD("sshkeys_set", rpc_luci2_sshkeys_set,
2608 rpc_sshkey_policy),
2609 UBUS_METHOD("password_set", rpc_luci2_password_set,
2610 rpc_password_policy),
2611 UBUS_METHOD_NOARG("led_list", rpc_luci2_led_list),
2612 UBUS_METHOD_NOARG("usb_list", rpc_luci2_usb_list),
2613 UBUS_METHOD_NOARG("upgrade_test", rpc_luci2_upgrade_test),
2614 UBUS_METHOD("upgrade_start", rpc_luci2_upgrade_start,
2615 rpc_upgrade_policy),
2616 UBUS_METHOD_NOARG("upgrade_clean", rpc_luci2_upgrade_clean),
2617 UBUS_METHOD_NOARG("backup_restore", rpc_luci2_backup_restore),
2618 UBUS_METHOD_NOARG("backup_clean", rpc_luci2_backup_clean),
2619 UBUS_METHOD_NOARG("backup_config_get", rpc_luci2_backup_config_get),
2620 UBUS_METHOD("backup_config_set", rpc_luci2_backup_config_set,
2621 rpc_data_policy),
2622 UBUS_METHOD_NOARG("backup_list", rpc_luci2_backup_list),
2623 UBUS_METHOD_NOARG("reset_test", rpc_luci2_reset_test),
2624 UBUS_METHOD_NOARG("reset_start", rpc_luci2_reset_start),
2625 UBUS_METHOD_NOARG("reboot", rpc_luci2_reboot)
2626 };
2627
2628 static struct ubus_object_type luci2_system_type =
2629 UBUS_OBJECT_TYPE("luci-rpc-luci2-system", luci2_system_methods);
2630
2631 static struct ubus_object system_obj = {
2632 .name = "luci2.system",
2633 .type = &luci2_system_type,
2634 .methods = luci2_system_methods,
2635 .n_methods = ARRAY_SIZE(luci2_system_methods),
2636 };
2637
2638
2639 static const struct ubus_method luci2_network_methods[] = {
2640 UBUS_METHOD_NOARG("conntrack_count", rpc_luci2_network_ct_count),
2641 UBUS_METHOD_NOARG("conntrack_table", rpc_luci2_network_ct_table),
2642 UBUS_METHOD_NOARG("arp_table", rpc_luci2_network_arp_table),
2643 UBUS_METHOD_NOARG("dhcp_leases", rpc_luci2_network_leases),
2644 UBUS_METHOD_NOARG("dhcp6_leases", rpc_luci2_network_leases6),
2645 UBUS_METHOD_NOARG("routes", rpc_luci2_network_routes),
2646 UBUS_METHOD_NOARG("routes6", rpc_luci2_network_routes6),
2647 UBUS_METHOD_NOARG("switch_list", rpc_luci2_network_sw_list),
2648 UBUS_METHOD("switch_info", rpc_luci2_network_sw_info,
2649 rpc_switch_policy),
2650 UBUS_METHOD("switch_status", rpc_luci2_network_sw_status,
2651 rpc_switch_policy),
2652 UBUS_METHOD("ping", rpc_luci2_network_ping,
2653 rpc_data_policy),
2654 UBUS_METHOD("ping6", rpc_luci2_network_ping6,
2655 rpc_data_policy),
2656 UBUS_METHOD("traceroute", rpc_luci2_network_traceroute,
2657 rpc_data_policy),
2658 UBUS_METHOD("traceroute6", rpc_luci2_network_traceroute6,
2659 rpc_data_policy),
2660 UBUS_METHOD("nslookup", rpc_luci2_network_nslookup,
2661 rpc_data_policy)
2662 };
2663
2664 static struct ubus_object_type luci2_network_type =
2665 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_network_methods);
2666
2667 static struct ubus_object network_obj = {
2668 .name = "luci2.network",
2669 .type = &luci2_network_type,
2670 .methods = luci2_network_methods,
2671 .n_methods = ARRAY_SIZE(luci2_network_methods),
2672 };
2673
2674
2675 static const struct ubus_method luci2_opkg_methods[] = {
2676 UBUS_METHOD("list", rpc_luci2_opkg_list,
2677 rpc_opkg_match_policy),
2678 UBUS_METHOD("list_installed", rpc_luci2_opkg_list_installed,
2679 rpc_opkg_match_policy),
2680 UBUS_METHOD("find", rpc_luci2_opkg_find,
2681 rpc_opkg_match_policy),
2682 UBUS_METHOD("install", rpc_luci2_opkg_install,
2683 rpc_opkg_package_policy),
2684 UBUS_METHOD("remove", rpc_luci2_opkg_remove,
2685 rpc_opkg_package_policy),
2686 UBUS_METHOD_NOARG("update", rpc_luci2_opkg_update),
2687 UBUS_METHOD_NOARG("config_get", rpc_luci2_opkg_config_get),
2688 UBUS_METHOD("config_set", rpc_luci2_opkg_config_set,
2689 rpc_data_policy)
2690 };
2691
2692 static struct ubus_object_type luci2_opkg_type =
2693 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_opkg_methods);
2694
2695 static struct ubus_object opkg_obj = {
2696 .name = "luci2.opkg",
2697 .type = &luci2_opkg_type,
2698 .methods = luci2_opkg_methods,
2699 .n_methods = ARRAY_SIZE(luci2_opkg_methods),
2700 };
2701
2702
2703 static const struct ubus_method luci2_ui_methods[] = {
2704 UBUS_METHOD_NOARG("menu", rpc_luci2_ui_menu),
2705 UBUS_METHOD_NOARG("acls", rpc_luci2_ui_acls),
2706 UBUS_METHOD("crypt", rpc_luci2_ui_crypt,
2707 rpc_data_policy)
2708 };
2709
2710 static struct ubus_object_type luci2_ui_type =
2711 UBUS_OBJECT_TYPE("luci-rpc-luci2-ui", luci2_ui_methods);
2712
2713 static struct ubus_object ui_obj = {
2714 .name = "luci2.ui",
2715 .type = &luci2_ui_type,
2716 .methods = luci2_ui_methods,
2717 .n_methods = ARRAY_SIZE(luci2_ui_methods),
2718 };
2719
2720 cursor = uci_alloc_context();
2721
2722 if (!cursor)
2723 return UBUS_STATUS_UNKNOWN_ERROR;
2724
2725 ops = o;
2726
2727 rv |= ubus_add_object(ctx, &system_obj);
2728 rv |= ubus_add_object(ctx, &network_obj);
2729 rv |= ubus_add_object(ctx, &opkg_obj);
2730 rv |= ubus_add_object(ctx, &ui_obj);
2731
2732 return rv;
2733 }
2734
2735 const struct rpc_plugin rpc_plugin = {
2736 .init = rpc_luci2_api_init
2737 };
DEPRECATED - use https://github.com/jow-/luci-ng