iwinfo: convert to plugin library
[project/rpcd.git] / luci2.c
1 /*
2  * luci-rpcd - LuCI UBUS RPC server
3  *
4  *   Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18
19 #include <fcntl.h>
20 #include <errno.h>
21 #include <unistd.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <ctype.h>
25 #include <sys/wait.h>
26 #include <sys/stat.h>
27 #include <sys/types.h>
28 #include <sys/statvfs.h>
29 #include <dirent.h>
30 #include <arpa/inet.h>
31 #include <signal.h>
32 #include <glob.h>
33
34 #include "luci2.h"
35 #include "exec.h"
36 #include "session.h"
37
38 static struct blob_buf buf;
39 static struct uci_context *cursor;
40
41 enum {
42         RPC_S_PID,
43         RPC_S_SIGNAL,
44         __RPC_S_MAX,
45 };
46
47 static const struct blobmsg_policy rpc_signal_policy[__RPC_S_MAX] = {
48         [RPC_S_PID]    = { .name = "pid",    .type = BLOBMSG_TYPE_INT32 },
49         [RPC_S_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
50 };
51
52 enum {
53         RPC_I_NAME,
54         RPC_I_ACTION,
55         __RPC_I_MAX,
56 };
57
58 static const struct blobmsg_policy rpc_init_policy[__RPC_I_MAX] = {
59         [RPC_I_NAME]   = { .name = "name",   .type = BLOBMSG_TYPE_STRING },
60         [RPC_I_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_STRING },
61 };
62
63 enum {
64         RPC_D_DATA,
65         __RPC_D_MAX
66 };
67
68 static const struct blobmsg_policy rpc_data_policy[__RPC_D_MAX] = {
69         [RPC_D_DATA]   = { .name = "data",  .type = BLOBMSG_TYPE_STRING },
70 };
71
72 enum {
73         RPC_K_KEYS,
74         __RPC_K_MAX
75 };
76
77 static const struct blobmsg_policy rpc_sshkey_policy[__RPC_K_MAX] = {
78         [RPC_K_KEYS]   = { .name = "keys",   .type = BLOBMSG_TYPE_ARRAY },
79 };
80
81 enum {
82         RPC_P_USER,
83         RPC_P_PASSWORD,
84         __RPC_P_MAX
85 };
86
87 static const struct blobmsg_policy rpc_password_policy[__RPC_P_MAX] = {
88         [RPC_P_USER]     = { .name = "user",     .type = BLOBMSG_TYPE_STRING },
89         [RPC_P_PASSWORD] = { .name = "password", .type = BLOBMSG_TYPE_STRING },
90 };
91
92 enum {
93         RPC_OM_LIMIT,
94         RPC_OM_OFFSET,
95         RPC_OM_PATTERN,
96         __RPC_OM_MAX
97 };
98
99 static const struct blobmsg_policy rpc_opkg_match_policy[__RPC_OM_MAX] = {
100         [RPC_OM_LIMIT]    = { .name = "limit",    .type = BLOBMSG_TYPE_INT32  },
101         [RPC_OM_OFFSET]   = { .name = "offset",   .type = BLOBMSG_TYPE_INT32  },
102         [RPC_OM_PATTERN]  = { .name = "pattern",  .type = BLOBMSG_TYPE_STRING },
103 };
104
105 enum {
106         RPC_OP_PACKAGE,
107         __RPC_OP_MAX
108 };
109
110 static const struct blobmsg_policy rpc_opkg_package_policy[__RPC_OP_MAX] = {
111         [RPC_OP_PACKAGE]  = { .name = "package",  .type = BLOBMSG_TYPE_STRING },
112 };
113
114 enum {
115         RPC_UPGRADE_KEEP,
116         __RPC_UPGRADE_MAX
117 };
118
119 static const struct blobmsg_policy rpc_upgrade_policy[__RPC_UPGRADE_MAX] = {
120         [RPC_UPGRADE_KEEP] = { .name = "keep",    .type = BLOBMSG_TYPE_BOOL },
121 };
122
123 enum {
124         RPC_MENU_SESSION,
125         __RPC_MENU_MAX
126 };
127
128 static const struct blobmsg_policy rpc_menu_policy[__RPC_MENU_MAX] = {
129         [RPC_MENU_SESSION] = { .name = "ubus_rpc_session",
130                                                   .type = BLOBMSG_TYPE_STRING },
131 };
132
133
134 static int
135 rpc_errno_status(void)
136 {
137         switch (errno)
138         {
139         case EACCES:
140                 return UBUS_STATUS_PERMISSION_DENIED;
141
142         case ENOTDIR:
143                 return UBUS_STATUS_INVALID_ARGUMENT;
144
145         case ENOENT:
146                 return UBUS_STATUS_NOT_FOUND;
147
148         case EINVAL:
149                 return UBUS_STATUS_INVALID_ARGUMENT;
150
151         default:
152                 return UBUS_STATUS_UNKNOWN_ERROR;
153         }
154 }
155
156 static void
157 log_read(FILE *log, int logsize)
158 {
159         int len;
160         char *logbuf;
161
162         if (logsize == 0)
163                 logsize = RPC_LUCI2_DEF_LOGSIZE;
164
165         len = (logsize > RPC_LUCI2_MAX_LOGSIZE) ? RPC_LUCI2_MAX_LOGSIZE : logsize;
166         logbuf = blobmsg_alloc_string_buffer(&buf, "log", len + 1);
167
168         if (!logbuf)
169                 return;
170
171         while (logsize > RPC_LUCI2_MAX_LOGSIZE)
172         {
173                 len = logsize % RPC_LUCI2_MAX_LOGSIZE;
174
175                 if (len == 0)
176                         len = RPC_LUCI2_MAX_LOGSIZE;
177
178                 fread(logbuf, 1, len, log);
179                 logsize -= len;
180         }
181
182         len = fread(logbuf, 1, logsize, log);
183         *(logbuf + len) = 0;
184
185         blobmsg_add_string_buffer(&buf);
186 }
187
188 static int
189 rpc_luci2_system_log(struct ubus_context *ctx, struct ubus_object *obj,
190                      struct ubus_request_data *req, const char *method,
191                      struct blob_attr *msg)
192 {
193         FILE *log;
194         int logsize = 0;
195         const char *logfile = NULL;
196         struct stat st;
197         struct uci_package *p;
198         struct uci_element *e;
199         struct uci_section *s;
200         struct uci_ptr ptr = { .package = "system" };
201
202         uci_load(cursor, ptr.package, &p);
203
204         if (!p)
205                 return UBUS_STATUS_NOT_FOUND;
206
207         uci_foreach_element(&p->sections, e)
208         {
209                 s = uci_to_section(e);
210
211                 if (strcmp(s->type, "system"))
212                         continue;
213
214                 ptr.o = NULL;
215                 ptr.option = "log_type";
216                 ptr.section = e->name;
217                 uci_lookup_ptr(cursor, &ptr, NULL, true);
218                 break;
219         }
220
221         if (ptr.o && ptr.o->type == UCI_TYPE_STRING &&
222             !strcmp(ptr.o->v.string, "file"))
223         {
224                 ptr.o = NULL;
225                 ptr.option = "log_file";
226                 uci_lookup_ptr(cursor, &ptr, NULL, true);
227
228                 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
229                         logfile = ptr.o->v.string;
230                 else
231                         logfile = "/var/log/messages";
232
233                 if (stat(logfile, &st) || !(log = fopen(logfile, "r")))
234                         goto fail;
235
236                 logsize = st.st_size;
237         }
238         else
239         {
240                 ptr.o = NULL;
241                 ptr.option = "log_size";
242                 uci_lookup_ptr(cursor, &ptr, NULL, true);
243
244                 if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
245                         logsize = atoi(ptr.o->v.string) * 1024;
246
247                 if (!(log = popen("logread", "r")))
248                         goto fail;
249         }
250
251         blob_buf_init(&buf, 0);
252
253         log_read(log, logsize);
254         fclose(log);
255
256         uci_unload(cursor, p);
257         ubus_send_reply(ctx, req, buf.head);
258         return 0;
259
260 fail:
261         uci_unload(cursor, p);
262         return rpc_errno_status();
263 }
264
265 static int
266 rpc_luci2_system_dmesg(struct ubus_context *ctx, struct ubus_object *obj,
267                        struct ubus_request_data *req, const char *method,
268                        struct blob_attr *msg)
269 {
270         FILE *log;
271
272         if (!(log = popen("dmesg", "r")))
273                 return rpc_errno_status();
274
275         blob_buf_init(&buf, 0);
276
277         log_read(log, RPC_LUCI2_MAX_LOGSIZE);
278         fclose(log);
279
280         ubus_send_reply(ctx, req, buf.head);
281         return 0;
282 }
283
284 static int
285 rpc_luci2_system_diskfree(struct ubus_context *ctx, struct ubus_object *obj,
286                           struct ubus_request_data *req, const char *method,
287                           struct blob_attr *msg)
288 {
289         int i;
290         void *c;
291         struct statvfs s;
292         const char *fslist[] = {
293                 "/",    "root",
294                 "/tmp", "tmp",
295         };
296
297         blob_buf_init(&buf, 0);
298
299         for (i = 0; i < sizeof(fslist) / sizeof(fslist[0]); i += 2)
300         {
301                 if (statvfs(fslist[i], &s))
302                         continue;
303
304                 c = blobmsg_open_table(&buf, fslist[i+1]);
305
306                 blobmsg_add_u32(&buf, "total", s.f_blocks * s.f_frsize);
307                 blobmsg_add_u32(&buf, "free",  s.f_bfree  * s.f_frsize);
308                 blobmsg_add_u32(&buf, "used", (s.f_blocks - s.f_bfree) * s.f_frsize);
309
310                 blobmsg_close_table(&buf, c);
311         }
312
313         ubus_send_reply(ctx, req, buf.head);
314         return 0;
315 }
316
317 static int
318 rpc_luci2_process_list(struct ubus_context *ctx, struct ubus_object *obj,
319                        struct ubus_request_data *req, const char *method,
320                        struct blob_attr *msg)
321 {
322         FILE *top;
323         void *c, *d;
324         char line[1024];
325         char *pid, *ppid, *user, *stat, *vsz, *pvsz, *pcpu, *cmd;
326
327         if (!(top = popen("/bin/busybox top -bn1", "r")))
328                 return rpc_errno_status();
329
330         blob_buf_init(&buf, 0);
331         c = blobmsg_open_array(&buf, "processes");
332
333         while (fgets(line, sizeof(line) - 1, top))
334         {
335                 pid  = strtok(line, " ");
336
337                 if (*pid < '0' || *pid > '9')
338                         continue;
339
340                 ppid = strtok(NULL, " ");
341                 user = strtok(NULL, " ");
342                 stat = strtok(NULL, " ");
343
344                 if (!stat)
345                         continue;
346
347                 if (!*(stat + 1))
348                         *(stat + 1) = ' ';
349
350                 if (!*(stat + 2))
351                         *(stat + 2) = ' ';
352
353                 *(stat + 3) = 0;
354
355                 vsz  = strtok(stat + 4, " ");
356                 pvsz = strtok(NULL, " ");
357                 pcpu = strtok(NULL, " ");
358                 cmd  = strtok(NULL, "\n");
359
360                 if (!cmd)
361                         continue;
362
363                 d = blobmsg_open_table(&buf, NULL);
364
365                 blobmsg_add_u32(&buf, "pid", atoi(pid));
366                 blobmsg_add_u32(&buf, "ppid", atoi(ppid));
367                 blobmsg_add_string(&buf, "user", user);
368                 blobmsg_add_string(&buf, "stat", stat);
369                 blobmsg_add_u32(&buf, "vsize", atoi(vsz) * 1024);
370                 blobmsg_add_u32(&buf, "vsize_percent", atoi(pvsz));
371                 blobmsg_add_u32(&buf, "cpu_percent", atoi(pcpu));
372                 blobmsg_add_string(&buf, "command", cmd);
373
374                 blobmsg_close_table(&buf, d);
375         }
376
377         fclose(top);
378         blobmsg_close_array(&buf, c);
379
380         ubus_send_reply(ctx, req, buf.head);
381         return 0;
382 }
383
384 static int
385 rpc_luci2_process_signal(struct ubus_context *ctx, struct ubus_object *obj,
386                          struct ubus_request_data *req, const char *method,
387                          struct blob_attr *msg)
388 {
389         int pid, sig;
390         struct blob_attr *tb[__RPC_S_MAX];
391
392         blobmsg_parse(rpc_signal_policy, __RPC_S_MAX, tb,
393                       blob_data(msg), blob_len(msg));
394
395         if (!tb[RPC_S_SIGNAL] || !tb[RPC_S_PID])
396         {
397                 errno = EINVAL;
398                 return rpc_errno_status();
399         }
400
401         pid = blobmsg_get_u32(tb[RPC_S_PID]);
402         sig = blobmsg_get_u32(tb[RPC_S_SIGNAL]);
403
404         if (kill(pid, sig))
405                 return rpc_errno_status();
406
407         return 0;
408 }
409
410 static int
411 rpc_luci2_init_list(struct ubus_context *ctx, struct ubus_object *obj,
412                     struct ubus_request_data *req, const char *method,
413                     struct blob_attr *msg)
414 {
415         int n;
416         void *c, *t;
417         char *p, path[PATH_MAX];
418         struct stat s;
419         struct dirent *e;
420         FILE *f;
421         DIR *d;
422
423         if (!(d = opendir("/etc/init.d")))
424                 return rpc_errno_status();
425
426         blob_buf_init(&buf, 0);
427         c = blobmsg_open_array(&buf, "initscripts");
428
429         while ((e = readdir(d)) != NULL)
430         {
431                 snprintf(path, sizeof(path) - 1, "/etc/init.d/%s", e->d_name);
432
433                 if (stat(path, &s) || !S_ISREG(s.st_mode) || !(s.st_mode & S_IXUSR))
434                         continue;
435
436                 if ((f = fopen(path, "r")) != NULL)
437                 {
438                         n = -1;
439                         p = fgets(path, sizeof(path) - 1, f);
440
441                         if (!p || !strstr(p, "/etc/rc.common"))
442                                 goto skip;
443
444                         t = blobmsg_open_table(&buf, NULL);
445
446                         blobmsg_add_string(&buf, "name", e->d_name);
447
448                         while (fgets(path, sizeof(path) - 1, f))
449                         {
450                                 p = strtok(path, "= \t");
451
452                                 if (!strcmp(p, "START") && !!(p = strtok(NULL, "= \t\n")))
453                                 {
454                                         n = atoi(p);
455                                         blobmsg_add_u32(&buf, "start", n);
456                                 }
457                                 else if (!strcmp(p, "STOP") && !!(p = strtok(NULL, "= \t\n")))
458                                 {
459                                         blobmsg_add_u32(&buf, "stop", atoi(p));
460                                         break;
461                                 }
462                         }
463
464                         if (n > -1)
465                         {
466                                 snprintf(path, sizeof(path) - 1, "/etc/rc.d/S%02d%s",
467                                          n, e->d_name);
468
469                                 blobmsg_add_u8(&buf, "enabled",
470                                                (!stat(path, &s) && (s.st_mode & S_IXUSR)));
471                         }
472                         else
473                         {
474                                 blobmsg_add_u8(&buf, "enabled", 0);
475                         }
476
477                         blobmsg_close_table(&buf, t);
478
479 skip:
480                         fclose(f);
481                 }
482         }
483
484         closedir(d);
485         blobmsg_close_array(&buf, c);
486
487         ubus_send_reply(ctx, req, buf.head);
488         return 0;
489 }
490
491 static int
492 rpc_luci2_init_action(struct ubus_context *ctx, struct ubus_object *obj,
493                       struct ubus_request_data *req, const char *method,
494                       struct blob_attr *msg)
495 {
496         int fd;
497         pid_t pid;
498         struct stat s;
499         char path[PATH_MAX];
500         const char *action;
501         struct blob_attr *tb[__RPC_I_MAX];
502
503         blobmsg_parse(rpc_init_policy, __RPC_I_MAX, tb,
504                       blob_data(msg), blob_len(msg));
505
506         if (!tb[RPC_I_NAME] || !tb[RPC_I_ACTION])
507                 return UBUS_STATUS_INVALID_ARGUMENT;
508
509         action = blobmsg_data(tb[RPC_I_ACTION]);
510
511         if (strcmp(action, "start") && strcmp(action, "stop") &&
512             strcmp(action, "reload") && strcmp(action, "restart") &&
513             strcmp(action, "enable") && strcmp(action, "disable"))
514                 return UBUS_STATUS_INVALID_ARGUMENT;
515
516         snprintf(path, sizeof(path) - 1, "/etc/init.d/%s",
517                  (char *)blobmsg_data(tb[RPC_I_NAME]));
518
519         if (stat(path, &s))
520                 return rpc_errno_status();
521
522         if (!(s.st_mode & S_IXUSR))
523                 return UBUS_STATUS_PERMISSION_DENIED;
524
525         switch ((pid = fork()))
526         {
527         case -1:
528                 return rpc_errno_status();
529
530         case 0:
531                 uloop_done();
532
533                 if ((fd = open("/dev/null", O_RDWR)) > -1)
534                 {
535                         dup2(fd, 0);
536                         dup2(fd, 1);
537                         dup2(fd, 2);
538
539                         close(fd);
540                 }
541
542                 chdir("/");
543
544                 if (execl(path, path, action, NULL))
545                         return rpc_errno_status();
546
547         default:
548                 return 0;
549         }
550 }
551
552 static int
553 rpc_luci2_rclocal_get(struct ubus_context *ctx, struct ubus_object *obj,
554                       struct ubus_request_data *req, const char *method,
555                       struct blob_attr *msg)
556 {
557         FILE *f;
558         char data[4096] = { 0 };
559
560         if (!(f = fopen("/etc/rc.local", "r")))
561                 return rpc_errno_status();
562
563         fread(data, sizeof(data) - 1, 1, f);
564         fclose(f);
565
566         blob_buf_init(&buf, 0);
567         blobmsg_add_string(&buf, "data", data);
568
569         ubus_send_reply(ctx, req, buf.head);
570         return 0;
571 }
572
573 static int
574 rpc_luci2_rclocal_set(struct ubus_context *ctx, struct ubus_object *obj,
575                       struct ubus_request_data *req, const char *method,
576                       struct blob_attr *msg)
577 {
578         FILE *f;
579         struct blob_attr *tb[__RPC_D_MAX];
580
581         blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
582                       blob_data(msg), blob_len(msg));
583
584         if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
585                 return UBUS_STATUS_INVALID_ARGUMENT;
586
587         if (!(f = fopen("/etc/rc.local", "w")))
588                 return rpc_errno_status();
589
590         fwrite(blobmsg_data(tb[RPC_D_DATA]),
591                blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
592
593         fclose(f);
594         return 0;
595 }
596
597 static int
598 rpc_luci2_crontab_get(struct ubus_context *ctx, struct ubus_object *obj,
599                       struct ubus_request_data *req, const char *method,
600                       struct blob_attr *msg)
601 {
602         FILE *f;
603         char data[4096] = { 0 };
604
605         if (!(f = fopen("/etc/crontabs/root", "r")))
606                 return rpc_errno_status();
607
608         fread(data, sizeof(data) - 1, 1, f);
609         fclose(f);
610
611         blob_buf_init(&buf, 0);
612         blobmsg_add_string(&buf, "data", data);
613
614         ubus_send_reply(ctx, req, buf.head);
615         return 0;
616 }
617
618 static int
619 rpc_luci2_crontab_set(struct ubus_context *ctx, struct ubus_object *obj,
620                       struct ubus_request_data *req, const char *method,
621                       struct blob_attr *msg)
622 {
623         FILE *f;
624         struct stat s;
625         struct blob_attr *tb[__RPC_D_MAX];
626
627         blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
628                       blob_data(msg), blob_len(msg));
629
630         if (!tb[RPC_D_DATA] || blobmsg_data_len(tb[RPC_D_DATA]) >= 4096)
631                 return UBUS_STATUS_INVALID_ARGUMENT;
632
633         if (stat("/etc/crontabs", &s) && mkdir("/etc/crontabs", 0755))
634                 return rpc_errno_status();
635
636         if (!(f = fopen("/etc/crontabs/root", "w")))
637                 return rpc_errno_status();
638
639         fwrite(blobmsg_data(tb[RPC_D_DATA]),
640                blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
641
642         fclose(f);
643         return 0;
644 }
645
646 static int
647 rpc_luci2_sshkeys_get(struct ubus_context *ctx, struct ubus_object *obj,
648                       struct ubus_request_data *req, const char *method,
649                       struct blob_attr *msg)
650 {
651         FILE *f;
652         void *c;
653         char *p, line[4096];
654
655         if (!(f = fopen("/etc/dropbear/authorized_keys", "r")))
656                 return rpc_errno_status();
657
658         blob_buf_init(&buf, 0);
659         c = blobmsg_open_array(&buf, "keys");
660
661         while (fgets(line, sizeof(line) - 1, f))
662         {
663                 for (p = line + strlen(line) - 1; (p > line) && isspace(*p); p--)
664                         *p = 0;
665
666                 for (p = line; isspace(*p); p++)
667                         *p = 0;
668
669                 if (*p)
670                         blobmsg_add_string(&buf, NULL, p);
671         }
672
673         blobmsg_close_array(&buf, c);
674         fclose(f);
675
676         ubus_send_reply(ctx, req, buf.head);
677         return 0;
678 }
679
680 static int
681 rpc_luci2_sshkeys_set(struct ubus_context *ctx, struct ubus_object *obj,
682                       struct ubus_request_data *req, const char *method,
683                       struct blob_attr *msg)
684 {
685         FILE *f;
686         int rem;
687         struct blob_attr *cur, *tb[__RPC_K_MAX];
688
689         blobmsg_parse(rpc_sshkey_policy, __RPC_K_MAX, tb,
690                       blob_data(msg), blob_len(msg));
691
692         if (!tb[RPC_K_KEYS])
693                 return UBUS_STATUS_INVALID_ARGUMENT;
694
695         if (!(f = fopen("/etc/dropbear/authorized_keys", "w")))
696                 return rpc_errno_status();
697
698         blobmsg_for_each_attr(cur, tb[RPC_K_KEYS], rem)
699         {
700                 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
701                         continue;
702
703                 fwrite(blobmsg_data(cur), blobmsg_data_len(cur) - 1, 1, f);
704                 fwrite("\n", 1, 1, f);
705         }
706
707         fclose(f);
708         return 0;
709 }
710
711 static int
712 rpc_luci2_password_set(struct ubus_context *ctx, struct ubus_object *obj,
713                        struct ubus_request_data *req, const char *method,
714                        struct blob_attr *msg)
715 {
716         pid_t pid;
717         int fd, fds[2];
718         struct stat s;
719         struct blob_attr *tb[__RPC_P_MAX];
720
721         blobmsg_parse(rpc_password_policy, __RPC_P_MAX, tb,
722                       blob_data(msg), blob_len(msg));
723
724         if (!tb[RPC_P_USER] || !tb[RPC_P_PASSWORD])
725                 return UBUS_STATUS_INVALID_ARGUMENT;
726
727         if (stat("/usr/bin/passwd", &s))
728                 return UBUS_STATUS_NOT_FOUND;
729
730         if (!(s.st_mode & S_IXUSR))
731                 return UBUS_STATUS_PERMISSION_DENIED;
732
733         if (pipe(fds))
734                 return rpc_errno_status();
735
736         switch ((pid = fork()))
737         {
738         case -1:
739                 close(fds[0]);
740                 close(fds[1]);
741                 return rpc_errno_status();
742
743         case 0:
744                 uloop_done();
745
746                 dup2(fds[0], 0);
747                 close(fds[0]);
748                 close(fds[1]);
749
750                 if ((fd = open("/dev/null", O_RDWR)) > -1)
751                 {
752                         dup2(fd, 1);
753                         dup2(fd, 2);
754                         close(fd);
755                 }
756
757                 chdir("/");
758
759                 if (execl("/usr/bin/passwd", "/usr/bin/passwd",
760                           blobmsg_data(tb[RPC_P_USER]), NULL))
761                         return rpc_errno_status();
762
763         default:
764                 close(fds[0]);
765
766                 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
767                               blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
768                 write(fds[1], "\n", 1);
769
770                 usleep(100 * 1000);
771
772                 write(fds[1], blobmsg_data(tb[RPC_P_PASSWORD]),
773                               blobmsg_data_len(tb[RPC_P_PASSWORD]) - 1);
774                 write(fds[1], "\n", 1);
775
776                 close(fds[1]);
777
778                 waitpid(pid, NULL, 0);
779
780                 return 0;
781         }
782 }
783
784 static int
785 rpc_luci2_led_list(struct ubus_context *ctx, struct ubus_object *obj,
786                    struct ubus_request_data *req, const char *method,
787                    struct blob_attr *msg)
788 {
789         DIR *d;
790         FILE *f;
791         void *list, *led, *trigger;
792         char *p, *active_trigger, line[512];
793         struct dirent *e;
794
795         if (!(d = opendir("/sys/class/leds")))
796                 return rpc_errno_status();
797
798         blob_buf_init(&buf, 0);
799         list = blobmsg_open_array(&buf, "leds");
800
801         while ((e = readdir(d)) != NULL)
802         {
803                 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/trigger",
804                          e->d_name);
805
806                 if (!(f = fopen(line, "r")))
807                         continue;
808
809                 led = blobmsg_open_table(&buf, NULL);
810
811                 blobmsg_add_string(&buf, "name", e->d_name);
812
813                 if (fgets(line, sizeof(line) - 1, f))
814                 {
815                         trigger = blobmsg_open_array(&buf, "triggers");
816
817                         for (p = strtok(line, " \n"), active_trigger = NULL;
818                              p != NULL;
819                              p = strtok(NULL, " \n"))
820                         {
821                                 if (*p == '[')
822                                 {
823                                         *(p + strlen(p) - 1) = 0;
824                                         *p++ = 0;
825                                         active_trigger = p;
826                                 }
827
828                                 blobmsg_add_string(&buf, NULL, p);
829                         }
830
831                         blobmsg_close_array(&buf, trigger);
832
833                         if (active_trigger)
834                                 blobmsg_add_string(&buf, "active_trigger", active_trigger);
835                 }
836
837                 fclose(f);
838
839                 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/brightness",
840                          e->d_name);
841
842                 if ((f = fopen(line, "r")) != NULL)
843                 {
844                         if (fgets(line, sizeof(line) - 1, f))
845                                 blobmsg_add_u32(&buf, "brightness", atoi(line));
846
847                         fclose(f);
848                 }
849
850                 snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/max_brightness",
851                          e->d_name);
852
853                 if ((f = fopen(line, "r")) != NULL)
854                 {
855                         if (fgets(line, sizeof(line) - 1, f))
856                                 blobmsg_add_u32(&buf, "max_brightness", atoi(line));
857
858                         fclose(f);
859                 }
860
861                 blobmsg_close_table(&buf, led);
862         }
863
864         closedir(d);
865
866         blobmsg_close_array(&buf, list);
867         ubus_send_reply(ctx, req, buf.head);
868
869         return 0;
870 }
871
872 static int
873 rpc_luci2_usb_list(struct ubus_context *ctx, struct ubus_object *obj,
874                    struct ubus_request_data *req, const char *method,
875                    struct blob_attr *msg)
876 {
877         DIR *d;
878         FILE *f;
879         int i;
880         void *list, *device;
881         char *p, line[512];
882         struct stat s;
883         struct dirent *e;
884
885         const char *attributes[] = {
886                 "manufacturer", "vendor_name",  "s",
887                 "product",      "product_name", "s",
888                 "idVendor",     "vendor_id",    "x",
889                 "idProduct",    "product_id",   "x",
890                 "serial",       "serial",       "s",
891                 "speed",        "speed",        "d",
892         };
893
894         if (!(d = opendir("/sys/bus/usb/devices")))
895                 return rpc_errno_status();
896
897         blob_buf_init(&buf, 0);
898         list = blobmsg_open_array(&buf, "devices");
899
900         while ((e = readdir(d)) != NULL)
901         {
902                 if (e->d_name[0] < '0' || e->d_name[0] > '9')
903                         continue;
904
905                 snprintf(line, sizeof(line) - 1,
906                          "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[0]);
907
908                 if (stat(line, &s))
909                         continue;
910
911                 device = blobmsg_open_table(&buf, NULL);
912
913                 blobmsg_add_string(&buf, "name", e->d_name);
914
915                 for (i = 0; i < sizeof(attributes) / sizeof(attributes[0]); i += 3)
916                 {
917                         snprintf(line, sizeof(line) - 1,
918                                          "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[i]);
919
920                         if (!(f = fopen(line, "r")))
921                                 continue;
922
923                         if (fgets(line, sizeof(line) - 1, f))
924                         {
925                                 switch (*attributes[i+2])
926                                 {
927                                 case 'x':
928                                         blobmsg_add_u32(&buf, attributes[i+1],
929                                                         strtoul(line, NULL, 16));
930                                         break;
931
932                                 case 'd':
933                                         blobmsg_add_u32(&buf, attributes[i+1],
934                                                         strtoul(line, NULL, 10));
935                                         break;
936
937                                 default:
938                                         if ((p = strchr(line, '\n')) != NULL)
939                                                 while (p > line && isspace(*p))
940                                                         *p-- = 0;
941
942                                         blobmsg_add_string(&buf, attributes[i+1], line);
943                                         break;
944                                 }
945                         }
946
947                         fclose(f);
948                 }
949
950                 blobmsg_close_table(&buf, device);
951         }
952
953         closedir(d);
954
955         blobmsg_close_array(&buf, list);
956         ubus_send_reply(ctx, req, buf.head);
957
958         return 0;
959 }
960
961 static int
962 rpc_luci2_upgrade_test(struct ubus_context *ctx, struct ubus_object *obj,
963                        struct ubus_request_data *req, const char *method,
964                        struct blob_attr *msg)
965 {
966         const char *cmd[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL };
967         return rpc_exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
968 }
969
970 static int
971 rpc_luci2_upgrade_start(struct ubus_context *ctx, struct ubus_object *obj,
972                         struct ubus_request_data *req, const char *method,
973                         struct blob_attr *msg)
974 {
975         return 0;
976 }
977
978 static int
979 rpc_luci2_upgrade_clean(struct ubus_context *ctx, struct ubus_object *obj,
980                         struct ubus_request_data *req, const char *method,
981                         struct blob_attr *msg)
982 {
983         if (unlink("/tmp/firmware.bin"))
984                 return rpc_errno_status();
985
986         return 0;
987 }
988
989 static int
990 rpc_luci2_backup_restore(struct ubus_context *ctx, struct ubus_object *obj,
991                          struct ubus_request_data *req, const char *method,
992                          struct blob_attr *msg)
993 {
994         const char *cmd[4] = { "sysupgrade", "--restore-backup",
995                                "/tmp/backup.tar.gz", NULL };
996
997         return rpc_exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
998 }
999
1000 static int
1001 rpc_luci2_backup_clean(struct ubus_context *ctx, struct ubus_object *obj,
1002                        struct ubus_request_data *req, const char *method,
1003                        struct blob_attr *msg)
1004 {
1005         if (unlink("/tmp/backup.tar.gz"))
1006                 return rpc_errno_status();
1007
1008         return 0;
1009 }
1010
1011 static int
1012 rpc_luci2_backup_config_get(struct ubus_context *ctx, struct ubus_object *obj,
1013                             struct ubus_request_data *req, const char *method,
1014                             struct blob_attr *msg)
1015 {
1016         FILE *f;
1017         char conf[2048] = { 0 };
1018
1019         if (!(f = fopen("/etc/sysupgrade.conf", "r")))
1020                 return rpc_errno_status();
1021
1022         fread(conf, sizeof(conf) - 1, 1, f);
1023         fclose(f);
1024
1025         blob_buf_init(&buf, 0);
1026         blobmsg_add_string(&buf, "config", conf);
1027
1028         ubus_send_reply(ctx, req, buf.head);
1029         return 0;
1030 }
1031
1032 static int
1033 rpc_luci2_backup_config_set(struct ubus_context *ctx, struct ubus_object *obj,
1034                             struct ubus_request_data *req, const char *method,
1035                             struct blob_attr *msg)
1036 {
1037         FILE *f;
1038         struct blob_attr *tb[__RPC_D_MAX];
1039
1040         blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
1041                       blob_data(msg), blob_len(msg));
1042
1043         if (!tb[RPC_D_DATA])
1044                 return UBUS_STATUS_INVALID_ARGUMENT;
1045
1046         if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
1047                 return UBUS_STATUS_NOT_SUPPORTED;
1048
1049         if (!(f = fopen("/etc/sysupgrade.conf", "w")))
1050                 return rpc_errno_status();
1051
1052         fwrite(blobmsg_data(tb[RPC_D_DATA]),
1053                blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
1054
1055         fclose(f);
1056         return 0;
1057 }
1058
1059 struct backup_state {
1060         bool open;
1061         void *array;
1062 };
1063
1064 static int
1065 backup_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1066 {
1067         struct backup_state *s = priv;
1068         char *nl = strchr(buf, '\n');
1069
1070         if (!nl)
1071                 return 0;
1072
1073         if (!s->open)
1074         {
1075                 s->open  = true;
1076                 s->array = blobmsg_open_array(blob, "files");
1077         }
1078
1079         *nl = 0;
1080         blobmsg_add_string(blob, NULL, buf);
1081
1082         return (nl - buf + 1);
1083 }
1084
1085 static int
1086 backup_finish_list(struct blob_buf *blob, int status, void *priv)
1087 {
1088         struct backup_state *s = priv;
1089
1090         if (!s->open)
1091                 return UBUS_STATUS_NO_DATA;
1092
1093         blobmsg_close_array(blob, s->array);
1094
1095         return UBUS_STATUS_OK;
1096 }
1097
1098 static int
1099 rpc_luci2_backup_list(struct ubus_context *ctx, struct ubus_object *obj,
1100                       struct ubus_request_data *req, const char *method,
1101                       struct blob_attr *msg)
1102 {
1103         struct backup_state *state = NULL;
1104         const char *cmd[3] = { "sysupgrade", "--list-backup", NULL };
1105
1106         state = malloc(sizeof(*state));
1107
1108         if (!state)
1109                 return UBUS_STATUS_UNKNOWN_ERROR;
1110
1111         memset(state, 0, sizeof(*state));
1112
1113         return rpc_exec(cmd, NULL, backup_parse_list, NULL, backup_finish_list,
1114                         state, ctx, req);
1115 }
1116
1117 static int
1118 rpc_luci2_reset_test(struct ubus_context *ctx, struct ubus_object *obj,
1119                      struct ubus_request_data *req, const char *method,
1120                      struct blob_attr *msg)
1121 {
1122         FILE *mtd;
1123         struct stat s;
1124         char line[64] = { 0 };
1125         bool supported = false;
1126
1127         if (!stat("/sbin/mtd", &s) && (s.st_mode & S_IXUSR))
1128         {
1129                 if ((mtd = fopen("/proc/mtd", "r")) != NULL)
1130                 {
1131                         while (fgets(line, sizeof(line) - 1, mtd))
1132                         {
1133                                 if (strstr(line, "\"rootfs_data\""))
1134                                 {
1135                                         supported = true;
1136                                         break;
1137                                 }
1138                         }
1139
1140                         fclose(mtd);
1141                 }
1142         }
1143
1144         blob_buf_init(&buf, 0);
1145         blobmsg_add_u8(&buf, "supported", supported);
1146
1147         ubus_send_reply(ctx, req, buf.head);
1148
1149         return 0;
1150 }
1151
1152 static int
1153 rpc_luci2_reset_start(struct ubus_context *ctx, struct ubus_object *obj,
1154                       struct ubus_request_data *req, const char *method,
1155                       struct blob_attr *msg)
1156 {
1157         switch (fork())
1158         {
1159         case -1:
1160                 return rpc_errno_status();
1161
1162         case 0:
1163                 uloop_done();
1164
1165                 chdir("/");
1166
1167                 close(0);
1168                 close(1);
1169                 close(2);
1170
1171                 sleep(1);
1172
1173                 execl("/sbin/mtd", "/sbin/mtd", "-r", "erase", "rootfs_data", NULL);
1174
1175                 return rpc_errno_status();
1176
1177         default:
1178                 return 0;
1179         }
1180 }
1181
1182 static int
1183 rpc_luci2_reboot(struct ubus_context *ctx, struct ubus_object *obj,
1184                  struct ubus_request_data *req, const char *method,
1185                  struct blob_attr *msg)
1186 {
1187         switch (fork())
1188         {
1189         case -1:
1190                 return rpc_errno_status();
1191
1192         case 0:
1193                 chdir("/");
1194
1195                 close(0);
1196                 close(1);
1197                 close(2);
1198
1199                 sleep(1);
1200
1201                 execl("/sbin/reboot", "/sbin/reboot", NULL);
1202
1203                 return rpc_errno_status();
1204
1205         default:
1206                 return 0;
1207         }
1208 }
1209
1210
1211 static FILE *
1212 dnsmasq_leasefile(void)
1213 {
1214         FILE *leases = NULL;
1215         struct uci_package *p;
1216         struct uci_element *e;
1217         struct uci_section *s;
1218         struct uci_ptr ptr = {
1219                 .package = "dhcp",
1220                 .section = NULL,
1221                 .option  = "leasefile"
1222         };
1223
1224         uci_load(cursor, ptr.package, &p);
1225
1226         if (!p)
1227                 return NULL;
1228
1229         uci_foreach_element(&p->sections, e)
1230         {
1231                 s = uci_to_section(e);
1232
1233                 if (strcmp(s->type, "dnsmasq"))
1234                         continue;
1235
1236                 ptr.section = e->name;
1237                 uci_lookup_ptr(cursor, &ptr, NULL, true);
1238                 break;
1239         }
1240
1241         if (ptr.o && ptr.o->type == UCI_TYPE_STRING)
1242                 leases = fopen(ptr.o->v.string, "r");
1243
1244         uci_unload(cursor, p);
1245
1246         return leases;
1247 }
1248
1249 static int
1250 rpc_luci2_network_leases(struct ubus_context *ctx, struct ubus_object *obj,
1251                          struct ubus_request_data *req, const char *method,
1252                          struct blob_attr *msg)
1253 {
1254         FILE *leases;
1255         void *c, *d;
1256         char line[128];
1257         char *ts, *mac, *addr, *name;
1258         time_t now = time(NULL);
1259
1260         blob_buf_init(&buf, 0);
1261         c = blobmsg_open_array(&buf, "leases");
1262
1263         leases = dnsmasq_leasefile();
1264
1265         if (!leases)
1266                 goto out;
1267
1268         while (fgets(line, sizeof(line) - 1, leases))
1269         {
1270                 ts   = strtok(line, " \t");
1271                 mac  = strtok(NULL, " \t");
1272                 addr = strtok(NULL, " \t");
1273                 name = strtok(NULL, " \t");
1274
1275                 if (!ts || !mac || !addr || !name)
1276                         continue;
1277
1278                 if (strchr(addr, ':'))
1279                         continue;
1280
1281                 d = blobmsg_open_table(&buf, NULL);
1282
1283                 blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1284                 blobmsg_add_string(&buf, "macaddr", mac);
1285                 blobmsg_add_string(&buf, "ipaddr", addr);
1286
1287                 if (strcmp(name, "*"))
1288                         blobmsg_add_string(&buf, "hostname", name);
1289
1290                 blobmsg_close_table(&buf, d);
1291         }
1292
1293         fclose(leases);
1294
1295 out:
1296         blobmsg_close_array(&buf, c);
1297         ubus_send_reply(ctx, req, buf.head);
1298
1299         return 0;
1300 }
1301
1302 static int
1303 rpc_luci2_network_leases6(struct ubus_context *ctx, struct ubus_object *obj,
1304                           struct ubus_request_data *req, const char *method,
1305                           struct blob_attr *msg)
1306 {
1307         FILE *leases;
1308         void *c, *d;
1309         char line[128];
1310         char *ts, *mac, *addr, *name, *duid;
1311         time_t now = time(NULL);
1312
1313         blob_buf_init(&buf, 0);
1314         c = blobmsg_open_array(&buf, "leases");
1315
1316         leases = fopen("/tmp/hosts/6relayd", "r");
1317
1318         if (leases)
1319         {
1320                 while (fgets(line, sizeof(line) - 1, leases))
1321                 {
1322                         if (strncmp(line, "# ", 2))
1323                                 continue;
1324
1325                         strtok(line + 2, " \t"); /* iface */
1326
1327                         duid = strtok(NULL, " \t");
1328
1329                         strtok(NULL, " \t"); /* iaid */
1330
1331                         name = strtok(NULL, " \t");
1332                         ts   = strtok(NULL, " \t");
1333
1334                         strtok(NULL, " \t"); /* id */
1335                         strtok(NULL, " \t"); /* length */
1336
1337                         addr = strtok(NULL, " \t\n");
1338
1339                         if (!addr)
1340                                 continue;
1341
1342                         d = blobmsg_open_table(&buf, NULL);
1343
1344                         blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1345                         blobmsg_add_string(&buf, "duid", duid);
1346                         blobmsg_add_string(&buf, "ip6addr", addr);
1347
1348                         if (strcmp(name, "-"))
1349                                 blobmsg_add_string(&buf, "hostname", name);
1350
1351                         blobmsg_close_array(&buf, d);
1352                 }
1353
1354                 fclose(leases);
1355         }
1356         else
1357         {
1358                 leases = dnsmasq_leasefile();
1359
1360                 if (!leases)
1361                         goto out;
1362
1363                 while (fgets(line, sizeof(line) - 1, leases))
1364                 {
1365                         ts   = strtok(line, " \t");
1366                         mac  = strtok(NULL, " \t");
1367                         addr = strtok(NULL, " \t");
1368                         name = strtok(NULL, " \t");
1369                         duid = strtok(NULL, " \t\n");
1370
1371                         if (!ts || !mac || !addr || !duid)
1372                                 continue;
1373
1374                         if (!strchr(addr, ':'))
1375                                 continue;
1376
1377                         d = blobmsg_open_table(&buf, NULL);
1378
1379                         blobmsg_add_u32(&buf, "expires", atoi(ts) - now);
1380                         blobmsg_add_string(&buf, "macaddr", mac);
1381                         blobmsg_add_string(&buf, "ip6addr", addr);
1382
1383                         if (strcmp(name, "*"))
1384                                 blobmsg_add_string(&buf, "hostname", name);
1385
1386                         if (strcmp(duid, "*"))
1387                                 blobmsg_add_string(&buf, "duid", name);
1388
1389                         blobmsg_close_table(&buf, d);
1390                 }
1391
1392                 fclose(leases);
1393         }
1394
1395 out:
1396         blobmsg_close_array(&buf, c);
1397         ubus_send_reply(ctx, req, buf.head);
1398
1399         return 0;
1400 }
1401
1402 static int
1403 rpc_luci2_network_ct_count(struct ubus_context *ctx, struct ubus_object *obj,
1404                            struct ubus_request_data *req, const char *method,
1405                            struct blob_attr *msg)
1406 {
1407         FILE *f;
1408         char line[128];
1409
1410         blob_buf_init(&buf, 0);
1411
1412         if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_count", "r")) != NULL)
1413         {
1414                 if (fgets(line, sizeof(line) - 1, f))
1415                         blobmsg_add_u32(&buf, "count", atoi(line));
1416
1417                 fclose(f);
1418         }
1419
1420         if ((f = fopen("/proc/sys/net/netfilter/nf_conntrack_max", "r")) != NULL)
1421         {
1422                 if (fgets(line, sizeof(line) - 1, f))
1423                         blobmsg_add_u32(&buf, "limit", atoi(line));
1424
1425                 fclose(f);
1426         }
1427
1428         ubus_send_reply(ctx, req, buf.head);
1429
1430         return 0;
1431 }
1432
1433 static int
1434 rpc_luci2_network_ct_table(struct ubus_context *ctx, struct ubus_object *obj,
1435                            struct ubus_request_data *req, const char *method,
1436                            struct blob_attr *msg)
1437 {
1438         FILE *f;
1439         int i;
1440         void *c, *d;
1441         char *p, line[512];
1442         bool seen[6];
1443
1444         blob_buf_init(&buf, 0);
1445         c = blobmsg_open_array(&buf, "entries");
1446
1447         if ((f = fopen("/proc/net/nf_conntrack", "r")) != NULL)
1448         {
1449                 while (fgets(line, sizeof(line) - 1, f))
1450                 {
1451                         d = blobmsg_open_table(&buf, NULL);
1452                         memset(seen, 0, sizeof(seen));
1453
1454                         for (i = 0, p = strtok(line, " "); p; i++, p = strtok(NULL, " "))
1455                         {
1456                                 if (i == 0)
1457                                         blobmsg_add_u8(&buf, "ipv6", !strcmp(p, "ipv6"));
1458                                 else if (i == 3)
1459                                         blobmsg_add_u32(&buf, "protocol", atoi(p));
1460                                 else if (i == 4)
1461                                         blobmsg_add_u32(&buf, "expires", atoi(p));
1462                                 else if (i >= 5)
1463                                 {
1464                                         if (*p == '[')
1465                                                 continue;
1466
1467                                         if (!seen[0] && !strncmp(p, "src=", 4))
1468                                         {
1469                                                 blobmsg_add_string(&buf, "src", p + 4);
1470                                                 seen[0] = true;
1471                                         }
1472                                         else if (!seen[1] && !strncmp(p, "dst=", 4))
1473                                         {
1474                                                 blobmsg_add_string(&buf, "dest", p + 4);
1475                                                 seen[1] = true;
1476                                         }
1477                                         else if (!seen[2] && !strncmp(p, "sport=", 6))
1478                                         {
1479                                                 blobmsg_add_u32(&buf, "sport", atoi(p + 6));
1480                                                 seen[2] = true;
1481                                         }
1482                                         else if (!seen[3] && !strncmp(p, "dport=", 6))
1483                                         {
1484                                                 blobmsg_add_u32(&buf, "dport", atoi(p + 6));
1485                                                 seen[3] = true;
1486                                         }
1487                                         else if (!strncmp(p, "packets=", 8))
1488                                         {
1489                                                 blobmsg_add_u32(&buf,
1490                                                                 seen[4] ? "tx_packets" : "rx_packets",
1491                                                                 atoi(p + 8));
1492                                                 seen[4] = true;
1493                                         }
1494                                         else if (!strncmp(p, "bytes=", 6))
1495                                         {
1496                                                 blobmsg_add_u32(&buf,
1497                                                                                 seen[5] ? "tx_bytes" : "rx_bytes",
1498                                                                 atoi(p + 6));
1499                                                 seen[5] = true;
1500                                         }
1501                                 }
1502                         }
1503
1504                         blobmsg_close_table(&buf, d);
1505                 }
1506
1507                 fclose(f);
1508         }
1509
1510         blobmsg_close_array(&buf, c);
1511         ubus_send_reply(ctx, req, buf.head);
1512
1513         return 0;
1514 }
1515
1516 static int
1517 rpc_luci2_network_arp_table(struct ubus_context *ctx, struct ubus_object *obj,
1518                             struct ubus_request_data *req, const char *method,
1519                             struct blob_attr *msg)
1520 {
1521         FILE *f;
1522         void *c, *d;
1523         char *addr, *mac, *dev, line[128];
1524
1525         blob_buf_init(&buf, 0);
1526         c = blobmsg_open_array(&buf, "entries");
1527
1528         if ((f = fopen("/proc/net/arp", "r")) != NULL)
1529         {
1530                 /* skip header line */
1531                 fgets(line, sizeof(line) - 1, f);
1532
1533                 while (fgets(line, sizeof(line) - 1, f))
1534                 {
1535                         addr = strtok(line, " \t");
1536
1537                         strtok(NULL, " \t"); /* HW type */
1538                         strtok(NULL, " \t"); /* Flags */
1539
1540                         mac = strtok(NULL, " \t");
1541
1542                         strtok(NULL, " \t"); /* Mask */
1543
1544                         dev = strtok(NULL, " \t\n");
1545
1546                         if (!dev)
1547                                 continue;
1548
1549                         d = blobmsg_open_table(&buf, NULL);
1550                         blobmsg_add_string(&buf, "ipaddr", addr);
1551                         blobmsg_add_string(&buf, "macaddr", mac);
1552                         blobmsg_add_string(&buf, "device", dev);
1553                         blobmsg_close_table(&buf, d);
1554                 }
1555
1556                 fclose(f);
1557         }
1558
1559         blobmsg_close_array(&buf, c);
1560         ubus_send_reply(ctx, req, buf.head);
1561
1562         return 0;
1563 }
1564
1565 static void
1566 put_hexaddr(const char *name, const char *s, const char *m)
1567 {
1568         int bits;
1569         struct in_addr a;
1570         char as[sizeof("255.255.255.255/32\0")];
1571
1572         a.s_addr = strtoul(s, NULL, 16);
1573         inet_ntop(AF_INET, &a, as, sizeof(as));
1574
1575         if (m)
1576         {
1577                 for (a.s_addr = ntohl(strtoul(m, NULL, 16)), bits = 0;
1578                      a.s_addr & 0x80000000;
1579                      a.s_addr <<= 1)
1580                         bits++;
1581
1582                 sprintf(as + strlen(as), "/%u", bits);
1583         }
1584
1585         blobmsg_add_string(&buf, name, as);
1586 }
1587
1588 static int
1589 rpc_luci2_network_routes(struct ubus_context *ctx, struct ubus_object *obj,
1590                          struct ubus_request_data *req, const char *method,
1591                          struct blob_attr *msg)
1592 {
1593         FILE *routes;
1594         void *c, *d;
1595         char *dst, *dmask, *next, *metric, *device;
1596         char line[256];
1597         unsigned int n;
1598
1599         if (!(routes = fopen("/proc/net/route", "r")))
1600                 return rpc_errno_status();
1601
1602         blob_buf_init(&buf, 0);
1603         c = blobmsg_open_array(&buf, "routes");
1604
1605         /* skip header line */
1606         fgets(line, sizeof(line) - 1, routes);
1607
1608         while (fgets(line, sizeof(line) - 1, routes))
1609         {
1610                 device = strtok(line, "\t ");
1611                 dst    = strtok(NULL, "\t ");
1612                 next   = strtok(NULL, "\t ");
1613
1614                 strtok(NULL, "\t "); /* flags */
1615                 strtok(NULL, "\t "); /* refcount */
1616                 strtok(NULL, "\t "); /* usecount */
1617
1618                 metric = strtok(NULL, "\t ");
1619                 dmask  = strtok(NULL, "\t ");
1620
1621                 if (!dmask)
1622                         continue;
1623
1624                 d = blobmsg_open_table(&buf, NULL);
1625
1626                 put_hexaddr("target", dst, dmask);
1627                 put_hexaddr("nexthop", next, NULL);
1628
1629                 n = strtoul(metric, NULL, 10);
1630                 blobmsg_add_u32(&buf, "metric", n);
1631
1632                 blobmsg_add_string(&buf, "device", device);
1633
1634                 blobmsg_close_table(&buf, d);
1635         }
1636
1637         blobmsg_close_array(&buf, c);
1638         fclose(routes);
1639
1640         ubus_send_reply(ctx, req, buf.head);
1641         return 0;
1642 }
1643
1644 static void
1645 put_hex6addr(const char *name, const char *s, const char *m)
1646 {
1647         int i;
1648         struct in6_addr a;
1649         char as[INET6_ADDRSTRLEN + sizeof("/128")];
1650
1651 #define hex(x) \
1652         (((x) <= '9') ? ((x) - '0') : \
1653                 (((x) <= 'F') ? ((x) - 'A' + 10) : \
1654                         ((x) - 'a' + 10)))
1655
1656         for (i = 0; i < 16; i++, s += 2)
1657                 a.s6_addr[i] = (16 * hex(*s)) + hex(*(s+1));
1658
1659         inet_ntop(AF_INET6, &a, as, sizeof(as));
1660
1661         if (m)
1662                 sprintf(as + strlen(as), "/%lu", strtoul(m, NULL, 16));
1663
1664         blobmsg_add_string(&buf, name, as);
1665 }
1666
1667 static int
1668 rpc_luci2_network_routes6(struct ubus_context *ctx, struct ubus_object *obj,
1669                           struct ubus_request_data *req, const char *method,
1670                           struct blob_attr *msg)
1671 {
1672         FILE *routes;
1673         void *c, *d;
1674         char *src, *smask, *dst, *dmask, *next, *metric, *flags, *device;
1675         char line[256];
1676         unsigned int n;
1677
1678         if (!(routes = fopen("/proc/net/ipv6_route", "r")))
1679                 return rpc_errno_status();
1680
1681         blob_buf_init(&buf, 0);
1682         c = blobmsg_open_array(&buf, "routes");
1683
1684         while (fgets(line, sizeof(line) - 1, routes))
1685         {
1686                 dst    = strtok(line, " ");
1687                 dmask  = strtok(NULL, " ");
1688                 src    = strtok(NULL, " ");
1689                 smask  = strtok(NULL, " ");
1690                 next   = strtok(NULL, " ");
1691                 metric = strtok(NULL, " ");
1692
1693                 strtok(NULL, " "); /* refcount */
1694                 strtok(NULL, " "); /* usecount */
1695
1696                 flags  = strtok(NULL, " ");
1697                 device = strtok(NULL, " \n");
1698
1699                 if (!device)
1700                         continue;
1701
1702                 n = strtoul(flags, NULL, 16);
1703
1704                 if (!(n & 1))
1705                         continue;
1706
1707                 d = blobmsg_open_table(&buf, NULL);
1708
1709                 put_hex6addr("target", dst, dmask);
1710                 put_hex6addr("source", src, smask);
1711                 put_hex6addr("nexthop", next, NULL);
1712
1713                 n = strtoul(metric, NULL, 16);
1714                 blobmsg_add_u32(&buf, "metric", n);
1715
1716                 blobmsg_add_string(&buf, "device", device);
1717
1718                 blobmsg_close_table(&buf, d);
1719         }
1720
1721         blobmsg_close_array(&buf, c);
1722         fclose(routes);
1723
1724         ubus_send_reply(ctx, req, buf.head);
1725         return 0;
1726 }
1727
1728
1729 struct opkg_state {
1730         int cur_offset;
1731         int cur_count;
1732         int req_offset;
1733         int req_count;
1734         int total;
1735         bool open;
1736         void *array;
1737 };
1738
1739 static int
1740 opkg_parse_list(struct blob_buf *blob, char *buf, int len, void *priv)
1741 {
1742         struct opkg_state *s = priv;
1743
1744         char *ptr, *last;
1745         char *nl = strchr(buf, '\n');
1746         char *name = NULL, *vers = NULL, *desc = NULL;
1747         void *c;
1748
1749         if (!nl)
1750                 return 0;
1751
1752         s->total++;
1753
1754         if (s->cur_offset++ < s->req_offset)
1755                 goto skip;
1756
1757         if (s->cur_count++ >= s->req_count)
1758                 goto skip;
1759
1760         if (!s->open)
1761         {
1762                 s->open  = true;
1763                 s->array = blobmsg_open_array(blob, "packages");
1764         }
1765
1766         for (ptr = buf, last = buf, *nl = 0; ptr <= nl; ptr++)
1767         {
1768                 if (!*ptr || (*ptr == ' ' && *(ptr+1) == '-' && *(ptr+2) == ' '))
1769                 {
1770                         if (!name)
1771                         {
1772                                 name = last;
1773                                 last = ptr + 3;
1774                                 *ptr = 0;
1775                                 ptr += 2;
1776                         }
1777                         else if (!vers)
1778                         {
1779                                 vers = last;
1780                                 desc = *ptr ? (ptr + 3) : NULL;
1781                                 *ptr = 0;
1782                                 break;
1783                         }
1784                 }
1785         }
1786
1787         if (name && vers)
1788         {
1789                 c = blobmsg_open_array(blob, NULL);
1790
1791                 blobmsg_add_string(blob, NULL, name);
1792                 blobmsg_add_string(blob, NULL, vers);
1793
1794                 if (desc && *desc)
1795                         blobmsg_add_string(blob, NULL, desc);
1796
1797                 blobmsg_close_array(blob, c);
1798         }
1799
1800 skip:
1801         return (nl - buf + 1);
1802 }
1803
1804 static int
1805 opkg_finish_list(struct blob_buf *blob, int status, void *priv)
1806 {
1807         struct opkg_state *s = priv;
1808
1809         if (!s->open)
1810                 return UBUS_STATUS_NO_DATA;
1811
1812         blobmsg_close_array(blob, s->array);
1813         blobmsg_add_u32(blob, "total", s->total);
1814
1815         return UBUS_STATUS_OK;
1816 }
1817
1818 static int
1819 opkg_exec_list(const char *action, struct blob_attr *msg,
1820                struct ubus_context *ctx, struct ubus_request_data *req)
1821 {
1822         struct opkg_state *state = NULL;
1823         struct blob_attr *tb[__RPC_OM_MAX];
1824         const char *cmd[5] = { "opkg", action, "-nocase", NULL, NULL };
1825
1826         blobmsg_parse(rpc_opkg_match_policy, __RPC_OM_MAX, tb,
1827                       blob_data(msg), blob_len(msg));
1828
1829         state = malloc(sizeof(*state));
1830
1831         if (!state)
1832                 return UBUS_STATUS_UNKNOWN_ERROR;
1833
1834         memset(state, 0, sizeof(*state));
1835
1836         if (tb[RPC_OM_PATTERN])
1837                 cmd[3] = blobmsg_data(tb[RPC_OM_PATTERN]);
1838
1839         if (tb[RPC_OM_LIMIT])
1840                 state->req_count = blobmsg_get_u32(tb[RPC_OM_LIMIT]);
1841
1842         if (tb[RPC_OM_OFFSET])
1843                 state->req_offset = blobmsg_get_u32(tb[RPC_OM_OFFSET]);
1844
1845         if (state->req_offset < 0)
1846                 state->req_offset = 0;
1847
1848         if (state->req_count <= 0 || state->req_count > 100)
1849                 state->req_count = 100;
1850
1851         return rpc_exec(cmd, NULL, opkg_parse_list, NULL, opkg_finish_list,
1852                         state, ctx, req);
1853 }
1854
1855
1856 static int
1857 rpc_luci2_opkg_list(struct ubus_context *ctx, struct ubus_object *obj,
1858                     struct ubus_request_data *req, const char *method,
1859                     struct blob_attr *msg)
1860 {
1861         return opkg_exec_list("list", msg, ctx, req);
1862 }
1863
1864 static int
1865 rpc_luci2_opkg_list_installed(struct ubus_context *ctx, struct ubus_object *obj,
1866                               struct ubus_request_data *req, const char *method,
1867                               struct blob_attr *msg)
1868 {
1869         return opkg_exec_list("list-installed", msg, ctx, req);
1870 }
1871
1872 static int
1873 rpc_luci2_opkg_find(struct ubus_context *ctx, struct ubus_object *obj,
1874                     struct ubus_request_data *req, const char *method,
1875                     struct blob_attr *msg)
1876 {
1877         return opkg_exec_list("find", msg, ctx, req);
1878 }
1879
1880 static int
1881 rpc_luci2_opkg_update(struct ubus_context *ctx, struct ubus_object *obj,
1882                       struct ubus_request_data *req, const char *method,
1883                       struct blob_attr *msg)
1884 {
1885         const char *cmd[3] = { "opkg", "update", NULL };
1886         return rpc_exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
1887 }
1888
1889 static int
1890 rpc_luci2_opkg_install(struct ubus_context *ctx, struct ubus_object *obj,
1891                        struct ubus_request_data *req, const char *method,
1892                        struct blob_attr *msg)
1893 {
1894         struct blob_attr *tb[__RPC_OP_MAX];
1895         const char *cmd[5] = { "opkg", "--force-overwrite",
1896                                "install", NULL, NULL };
1897
1898         blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
1899                       blob_data(msg), blob_len(msg));
1900
1901         if (!tb[RPC_OP_PACKAGE])
1902                 return UBUS_STATUS_INVALID_ARGUMENT;
1903
1904         cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
1905
1906         return rpc_exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
1907 }
1908
1909 static int
1910 rpc_luci2_opkg_remove(struct ubus_context *ctx, struct ubus_object *obj,
1911                       struct ubus_request_data *req, const char *method,
1912                       struct blob_attr *msg)
1913 {
1914         struct blob_attr *tb[__RPC_OP_MAX];
1915         const char *cmd[5] = { "opkg", "--force-removal-of-dependent-packages",
1916                                "remove", NULL, NULL };
1917
1918         blobmsg_parse(rpc_opkg_package_policy, __RPC_OP_MAX, tb,
1919                       blob_data(msg), blob_len(msg));
1920
1921         if (!tb[RPC_OP_PACKAGE])
1922                 return UBUS_STATUS_INVALID_ARGUMENT;
1923
1924         cmd[3] = blobmsg_data(tb[RPC_OP_PACKAGE]);
1925
1926         return rpc_exec(cmd, NULL, NULL, NULL, NULL, NULL, ctx, req);
1927 }
1928
1929 static int
1930 rpc_luci2_opkg_config_get(struct ubus_context *ctx, struct ubus_object *obj,
1931                           struct ubus_request_data *req, const char *method,
1932                           struct blob_attr *msg)
1933 {
1934         FILE *f;
1935         char conf[2048] = { 0 };
1936
1937         if (!(f = fopen("/etc/opkg.conf", "r")))
1938                 return rpc_errno_status();
1939
1940         fread(conf, sizeof(conf) - 1, 1, f);
1941         fclose(f);
1942
1943         blob_buf_init(&buf, 0);
1944         blobmsg_add_string(&buf, "config", conf);
1945
1946         ubus_send_reply(ctx, req, buf.head);
1947         return 0;
1948 }
1949
1950 static int
1951 rpc_luci2_opkg_config_set(struct ubus_context *ctx, struct ubus_object *obj,
1952                           struct ubus_request_data *req, const char *method,
1953                           struct blob_attr *msg)
1954 {
1955         FILE *f;
1956         struct blob_attr *tb[__RPC_D_MAX];
1957
1958         blobmsg_parse(rpc_data_policy, __RPC_D_MAX, tb,
1959                       blob_data(msg), blob_len(msg));
1960
1961         if (!tb[RPC_D_DATA])
1962                 return UBUS_STATUS_INVALID_ARGUMENT;
1963
1964         if (blobmsg_data_len(tb[RPC_D_DATA]) >= 2048)
1965                 return UBUS_STATUS_NOT_SUPPORTED;
1966
1967         if (!(f = fopen("/etc/opkg.conf", "w")))
1968                 return rpc_errno_status();
1969
1970         fwrite(blobmsg_data(tb[RPC_D_DATA]),
1971                blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
1972
1973         fclose(f);
1974         return 0;
1975 }
1976
1977
1978 static bool
1979 menu_access(struct blob_attr *sid, struct blob_attr *acls, struct blob_buf *e)
1980 {
1981         int rem;
1982         struct blob_attr *acl;
1983         bool rv = true;
1984         void *c;
1985
1986         c = blobmsg_open_table(e, "write");
1987
1988         blobmsg_for_each_attr(acl, acls, rem)
1989         {
1990                 if (!rpc_session_access(blobmsg_data(sid), "luci-ui",
1991                                         blobmsg_data(acl), "read"))
1992                 {
1993                         rv = false;
1994                         break;
1995                 }
1996
1997                 blobmsg_add_u8(e, blobmsg_data(acl),
1998                                rpc_session_access(blobmsg_data(sid), "luci-ui",
1999                                                   blobmsg_data(acl), "write"));
2000         }
2001
2002         blobmsg_close_table(e, c);
2003
2004         return rv;
2005 }
2006
2007 static int
2008 rpc_luci2_ui_menu(struct ubus_context *ctx, struct ubus_object *obj,
2009                   struct ubus_request_data *req, const char *method,
2010                   struct blob_attr *msg)
2011 {
2012         int i, rem, rem2;
2013         glob_t gl;
2014         struct blob_buf menu = { 0 };
2015         struct blob_buf item = { 0 };
2016         struct blob_attr *entry, *attr;
2017         struct blob_attr *tb[__RPC_MENU_MAX];
2018         bool access;
2019         void *c, *d;
2020
2021         blobmsg_parse(rpc_menu_policy, __RPC_MENU_MAX, tb,
2022                       blob_data(msg), blob_len(msg));
2023
2024         if (!tb[RPC_MENU_SESSION])
2025                 return UBUS_STATUS_INVALID_ARGUMENT;
2026
2027
2028         blob_buf_init(&buf, 0);
2029         c = blobmsg_open_table(&buf, "menu");
2030
2031         if (!glob(RPC_LUCI2_MENU_FILES, 0, NULL, &gl))
2032         {
2033                 for (i = 0; i < gl.gl_pathc; i++)
2034                 {
2035                         blob_buf_init(&menu, 0);
2036
2037                         if (!blobmsg_add_json_from_file(&menu, gl.gl_pathv[i]))
2038                                 goto skip;
2039
2040                         blob_for_each_attr(entry, menu.head, rem)
2041                         {
2042                                 access = true;
2043
2044                                 blob_buf_init(&item, 0);
2045                                 d = blobmsg_open_table(&item, blobmsg_name(entry));
2046
2047                                 blobmsg_for_each_attr(attr, entry, rem2)
2048                                 {
2049                                         if (blob_id(attr) == BLOBMSG_TYPE_ARRAY &&
2050                                             !strcmp(blobmsg_name(attr), "acls"))
2051                                                 access = menu_access(tb[RPC_MENU_SESSION], attr, &item);
2052                                         else
2053                                                 blobmsg_add_blob(&item, attr);
2054                                 }
2055
2056                                 blobmsg_close_table(&item, d);
2057
2058                                 if (access)
2059                                         blob_for_each_attr(attr, item.head, rem2)
2060                                                 blobmsg_add_blob(&buf, attr);
2061
2062                                 blob_buf_free(&item);
2063                         }
2064
2065 skip:
2066                         blob_buf_free(&menu);
2067                 }
2068
2069                 globfree(&gl);
2070         }
2071
2072         blobmsg_close_table(&buf, c);
2073
2074         ubus_send_reply(ctx, req, buf.head);
2075         return 0;
2076 }
2077
2078
2079 int rpc_luci2_api_init(struct ubus_context *ctx)
2080 {
2081         int rv = 0;
2082
2083         static const struct ubus_method luci2_system_methods[] = {
2084                 UBUS_METHOD_NOARG("syslog",       rpc_luci2_system_log),
2085                 UBUS_METHOD_NOARG("dmesg",        rpc_luci2_system_dmesg),
2086                 UBUS_METHOD_NOARG("diskfree",     rpc_luci2_system_diskfree),
2087                 UBUS_METHOD_NOARG("process_list", rpc_luci2_process_list),
2088                 UBUS_METHOD("process_signal",     rpc_luci2_process_signal,
2089                                                   rpc_signal_policy),
2090                 UBUS_METHOD_NOARG("init_list",    rpc_luci2_init_list),
2091                 UBUS_METHOD("init_action",        rpc_luci2_init_action,
2092                                                   rpc_init_policy),
2093                 UBUS_METHOD_NOARG("rclocal_get",  rpc_luci2_rclocal_get),
2094                 UBUS_METHOD("rclocal_set",        rpc_luci2_rclocal_set,
2095                                                   rpc_data_policy),
2096                 UBUS_METHOD_NOARG("crontab_get",  rpc_luci2_crontab_get),
2097                 UBUS_METHOD("crontab_set",        rpc_luci2_crontab_set,
2098                                                   rpc_data_policy),
2099                 UBUS_METHOD_NOARG("sshkeys_get",  rpc_luci2_sshkeys_get),
2100                 UBUS_METHOD("sshkeys_set",        rpc_luci2_sshkeys_set,
2101                                                   rpc_sshkey_policy),
2102                 UBUS_METHOD("password_set",       rpc_luci2_password_set,
2103                                                   rpc_password_policy),
2104                 UBUS_METHOD_NOARG("led_list",     rpc_luci2_led_list),
2105                 UBUS_METHOD_NOARG("usb_list",     rpc_luci2_usb_list),
2106                 UBUS_METHOD_NOARG("upgrade_test", rpc_luci2_upgrade_test),
2107                 UBUS_METHOD("upgrade_start",      rpc_luci2_upgrade_start,
2108                                                   rpc_upgrade_policy),
2109                 UBUS_METHOD_NOARG("upgrade_clean", rpc_luci2_upgrade_clean),
2110                 UBUS_METHOD_NOARG("backup_restore", rpc_luci2_backup_restore),
2111                 UBUS_METHOD_NOARG("backup_clean", rpc_luci2_backup_clean),
2112                 UBUS_METHOD_NOARG("backup_config_get", rpc_luci2_backup_config_get),
2113                 UBUS_METHOD("backup_config_set",  rpc_luci2_backup_config_set,
2114                                                   rpc_data_policy),
2115                 UBUS_METHOD_NOARG("backup_list",  rpc_luci2_backup_list),
2116                 UBUS_METHOD_NOARG("reset_test",   rpc_luci2_reset_test),
2117                 UBUS_METHOD_NOARG("reset_start",  rpc_luci2_reset_start),
2118                 UBUS_METHOD_NOARG("reboot",       rpc_luci2_reboot)
2119         };
2120
2121         static struct ubus_object_type luci2_system_type =
2122                 UBUS_OBJECT_TYPE("luci-rpc-luci2-system", luci2_system_methods);
2123
2124         static struct ubus_object system_obj = {
2125                 .name = "luci2.system",
2126                 .type = &luci2_system_type,
2127                 .methods = luci2_system_methods,
2128                 .n_methods = ARRAY_SIZE(luci2_system_methods),
2129         };
2130
2131
2132         static const struct ubus_method luci2_network_methods[] = {
2133                 UBUS_METHOD_NOARG("conntrack_count", rpc_luci2_network_ct_count),
2134                 UBUS_METHOD_NOARG("conntrack_table", rpc_luci2_network_ct_table),
2135                 UBUS_METHOD_NOARG("arp_table",       rpc_luci2_network_arp_table),
2136                 UBUS_METHOD_NOARG("dhcp_leases",     rpc_luci2_network_leases),
2137                 UBUS_METHOD_NOARG("dhcp6_leases",    rpc_luci2_network_leases6),
2138                 UBUS_METHOD_NOARG("routes",          rpc_luci2_network_routes),
2139                 UBUS_METHOD_NOARG("routes6",         rpc_luci2_network_routes6),
2140         };
2141
2142         static struct ubus_object_type luci2_network_type =
2143                 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_network_methods);
2144
2145         static struct ubus_object network_obj = {
2146                 .name = "luci2.network",
2147                 .type = &luci2_network_type,
2148                 .methods = luci2_network_methods,
2149                 .n_methods = ARRAY_SIZE(luci2_network_methods),
2150         };
2151
2152
2153         static const struct ubus_method luci2_opkg_methods[] = {
2154                 UBUS_METHOD("list",                  rpc_luci2_opkg_list,
2155                                                      rpc_opkg_match_policy),
2156                 UBUS_METHOD("list_installed",        rpc_luci2_opkg_list_installed,
2157                                                      rpc_opkg_match_policy),
2158                 UBUS_METHOD("find",                  rpc_luci2_opkg_find,
2159                                                      rpc_opkg_match_policy),
2160                 UBUS_METHOD("install",               rpc_luci2_opkg_install,
2161                                                      rpc_opkg_package_policy),
2162                 UBUS_METHOD("remove",                rpc_luci2_opkg_remove,
2163                                                      rpc_opkg_package_policy),
2164                 UBUS_METHOD_NOARG("update",          rpc_luci2_opkg_update),
2165                 UBUS_METHOD_NOARG("config_get",      rpc_luci2_opkg_config_get),
2166                 UBUS_METHOD("config_set",            rpc_luci2_opkg_config_set,
2167                                                      rpc_data_policy)
2168         };
2169
2170         static struct ubus_object_type luci2_opkg_type =
2171                 UBUS_OBJECT_TYPE("luci-rpc-luci2-network", luci2_opkg_methods);
2172
2173         static struct ubus_object opkg_obj = {
2174                 .name = "luci2.opkg",
2175                 .type = &luci2_opkg_type,
2176                 .methods = luci2_opkg_methods,
2177                 .n_methods = ARRAY_SIZE(luci2_opkg_methods),
2178         };
2179
2180
2181         static const struct ubus_method luci2_ui_methods[] = {
2182                 UBUS_METHOD_NOARG("menu",            rpc_luci2_ui_menu)
2183         };
2184
2185         static struct ubus_object_type luci2_ui_type =
2186                 UBUS_OBJECT_TYPE("luci-rpc-luci2-ui", luci2_ui_methods);
2187
2188         static struct ubus_object ui_obj = {
2189                 .name = "luci2.ui",
2190                 .type = &luci2_ui_type,
2191                 .methods = luci2_ui_methods,
2192                 .n_methods = ARRAY_SIZE(luci2_ui_methods),
2193         };
2194
2195         cursor = uci_alloc_context();
2196
2197         if (!cursor)
2198                 return UBUS_STATUS_UNKNOWN_ERROR;
2199
2200         rv |= ubus_add_object(ctx, &system_obj);
2201         rv |= ubus_add_object(ctx, &network_obj);
2202         rv |= ubus_add_object(ctx, &opkg_obj);
2203         rv |= ubus_add_object(ctx, &ui_obj);
2204
2205         return rv;
2206 }