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1e172ee5ae79c0421567af56db223cade15884ea
[project/rpcd.git] / iwinfo.c
1 /*
2 * rpcd - UBUS RPC server
3 *
4 * Copyright (C) 2013-2014 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 <sys/types.h>
20 #include <dirent.h>
21 #include <libubus.h>
22 #include <iwinfo.h>
23 #include <iwinfo/utils.h>
24 #include <net/ethernet.h>
25
26 #ifdef linux
27 #include <netinet/ether.h>
28 #endif
29
30 #include <rpcd/plugin.h>
31
32
33 static struct blob_buf buf;
34 static const struct iwinfo_ops *iw;
35 static const char *ifname;
36
37 enum {
38 RPC_D_DEVICE,
39 __RPC_D_MAX,
40 };
41
42 static const struct blobmsg_policy rpc_device_policy[__RPC_D_MAX] = {
43 [RPC_D_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
44 };
45
46 enum {
47 RPC_A_DEVICE,
48 RPC_A_MACADDR,
49 __RPC_A_MAX,
50 };
51
52 static const struct blobmsg_policy rpc_assoclist_policy[__RPC_A_MAX] = {
53 [RPC_A_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
54 [RPC_A_MACADDR] = { .name = "mac", .type = BLOBMSG_TYPE_STRING },
55 };
56
57 enum {
58 RPC_U_SECTION,
59 __RPC_U_MAX
60 };
61
62 static const struct blobmsg_policy rpc_uci_policy[__RPC_U_MAX] = {
63 [RPC_U_SECTION] = { .name = "section", .type = BLOBMSG_TYPE_STRING },
64 };
65
66 static int
67 __rpc_iwinfo_open(struct blob_attr *device)
68 {
69 if (!device)
70 return UBUS_STATUS_INVALID_ARGUMENT;
71
72 ifname = blobmsg_data(device);
73 iw = iwinfo_backend(ifname);
74
75 return iw ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
76 }
77
78 static int
79 rpc_iwinfo_open(struct blob_attr *msg)
80 {
81 static struct blob_attr *tb[__RPC_D_MAX];
82
83 blobmsg_parse(rpc_device_policy, __RPC_D_MAX, tb,
84 blob_data(msg), blob_len(msg));
85
86 return __rpc_iwinfo_open(tb[RPC_D_DEVICE]);
87 }
88
89 static void
90 rpc_iwinfo_close(void)
91 {
92 iw = NULL;
93 ifname = NULL;
94 iwinfo_finish();
95 }
96
97 static void
98 rpc_iwinfo_call_int(const char *name, int (*func)(const char *, int *),
99 const char **map)
100 {
101 int rv;
102
103 if (!func(ifname, &rv))
104 {
105 if (!map)
106 blobmsg_add_u32(&buf, name, rv);
107 else
108 blobmsg_add_string(&buf, name, map[rv]);
109 }
110 }
111
112 static void
113 rpc_iwinfo_call_hardware_id(const char *name)
114 {
115 struct iwinfo_hardware_id ids;
116 void *c;
117
118 if (!iw->hardware_id(ifname, (char *)&ids))
119 {
120 c = blobmsg_open_array(&buf, name);
121
122 blobmsg_add_u32(&buf, NULL, ids.vendor_id);
123 blobmsg_add_u32(&buf, NULL, ids.device_id);
124 blobmsg_add_u32(&buf, NULL, ids.subsystem_vendor_id);
125 blobmsg_add_u32(&buf, NULL, ids.subsystem_device_id);
126
127 blobmsg_close_array(&buf, c);
128 }
129 }
130
131 static void
132 rpc_iwinfo_add_encryption(const char *name, struct iwinfo_crypto_entry *e)
133 {
134 int ciph, wpa_version;
135 void *c, *d;
136
137 c = blobmsg_open_table(&buf, name);
138
139 blobmsg_add_u8(&buf, "enabled", e->enabled);
140
141 if (e->enabled)
142 {
143 if (!e->wpa_version)
144 {
145 d = blobmsg_open_array(&buf, "wep");
146
147 if (e->auth_algs & IWINFO_AUTH_OPEN)
148 blobmsg_add_string(&buf, NULL, "open");
149
150 if (e->auth_algs & IWINFO_AUTH_SHARED)
151 blobmsg_add_string(&buf, NULL, "shared");
152
153 blobmsg_close_array(&buf, d);
154 }
155 else
156 {
157 d = blobmsg_open_array(&buf, "wpa");
158
159 for (wpa_version = 1; wpa_version <= 3; wpa_version++)
160 if (e->wpa_version & (1 << (wpa_version - 1)))
161 blobmsg_add_u32(&buf, NULL, wpa_version);
162
163 blobmsg_close_array(&buf, d);
164
165
166 d = blobmsg_open_array(&buf, "authentication");
167
168 if (e->auth_suites & IWINFO_KMGMT_PSK)
169 blobmsg_add_string(&buf, NULL, "psk");
170
171 if (e->auth_suites & IWINFO_KMGMT_8021x)
172 blobmsg_add_string(&buf, NULL, "802.1x");
173
174 if (e->auth_suites & IWINFO_KMGMT_SAE)
175 blobmsg_add_string(&buf, NULL, "sae");
176
177 if (e->auth_suites & IWINFO_KMGMT_OWE)
178 blobmsg_add_string(&buf, NULL, "owe");
179
180 if (!e->auth_suites ||
181 (e->auth_suites & IWINFO_KMGMT_NONE))
182 blobmsg_add_string(&buf, NULL, "none");
183
184 blobmsg_close_array(&buf, d);
185 }
186
187 d = blobmsg_open_array(&buf, "ciphers");
188 ciph = e->pair_ciphers | e->group_ciphers;
189
190 if (ciph & IWINFO_CIPHER_WEP40)
191 blobmsg_add_string(&buf, NULL, "wep-40");
192
193 if (ciph & IWINFO_CIPHER_WEP104)
194 blobmsg_add_string(&buf, NULL, "wep-104");
195
196 if (ciph & IWINFO_CIPHER_TKIP)
197 blobmsg_add_string(&buf, NULL, "tkip");
198
199 if (ciph & IWINFO_CIPHER_CCMP)
200 blobmsg_add_string(&buf, NULL, "ccmp");
201
202 if (ciph & IWINFO_CIPHER_WRAP)
203 blobmsg_add_string(&buf, NULL, "wrap");
204
205 if (ciph & IWINFO_CIPHER_AESOCB)
206 blobmsg_add_string(&buf, NULL, "aes-ocb");
207
208 if (ciph & IWINFO_CIPHER_CKIP)
209 blobmsg_add_string(&buf, NULL, "ckip");
210
211 if (!ciph || (ciph & IWINFO_CIPHER_NONE))
212 blobmsg_add_string(&buf, NULL, "none");
213
214 blobmsg_close_array(&buf, d);
215 }
216
217 blobmsg_close_table(&buf, c);
218 }
219
220 static void
221 rpc_iwinfo_call_encryption(const char *name)
222 {
223 struct iwinfo_crypto_entry crypto = { 0 };
224
225 if (!iw->encryption(ifname, (char *)&crypto))
226 rpc_iwinfo_add_encryption(name, &crypto);
227 }
228
229 static void
230 rpc_iwinfo_call_htmodes(const char *name)
231 {
232 int modes;
233 void *c;
234
235 if (!iw->htmodelist(ifname, &modes))
236 {
237 c = blobmsg_open_array(&buf, name);
238
239 if (modes & IWINFO_HTMODE_HT20)
240 blobmsg_add_string(&buf, NULL, "HT20");
241
242 if (modes & IWINFO_HTMODE_HT40)
243 blobmsg_add_string(&buf, NULL, "HT40");
244
245 if (modes & IWINFO_HTMODE_VHT20)
246 blobmsg_add_string(&buf, NULL, "VHT20");
247
248 if (modes & IWINFO_HTMODE_VHT40)
249 blobmsg_add_string(&buf, NULL, "VHT40");
250
251 if (modes & IWINFO_HTMODE_VHT80)
252 blobmsg_add_string(&buf, NULL, "VHT80");
253
254 if (modes & IWINFO_HTMODE_VHT80_80)
255 blobmsg_add_string(&buf, NULL, "VHT80+80");
256
257 if (modes & IWINFO_HTMODE_VHT160)
258 blobmsg_add_string(&buf, NULL, "VHT160");
259
260 blobmsg_close_array(&buf, c);
261 }
262 }
263
264 static void
265 rpc_iwinfo_call_hwmodes(const char *name)
266 {
267 int modes;
268 void *c;
269
270 if (!iw->hwmodelist(ifname, &modes))
271 {
272 c = blobmsg_open_array(&buf, name);
273
274 if (modes & IWINFO_80211_AC)
275 blobmsg_add_string(&buf, NULL, "ac");
276
277 if (modes & IWINFO_80211_A)
278 blobmsg_add_string(&buf, NULL, "a");
279
280 if (modes & IWINFO_80211_B)
281 blobmsg_add_string(&buf, NULL, "b");
282
283 if (modes & IWINFO_80211_G)
284 blobmsg_add_string(&buf, NULL, "g");
285
286 if (modes & IWINFO_80211_N)
287 blobmsg_add_string(&buf, NULL, "n");
288
289 blobmsg_close_array(&buf, c);
290 }
291 }
292
293 static void rpc_iwinfo_call_hw_ht_mode()
294 {
295 const char *hwmode_str;
296 const char *htmode_str;
297 int32_t htmode = 0;
298
299 if (iw->htmode(ifname, &htmode))
300 return;
301
302 switch (htmode) {
303 case IWINFO_HTMODE_HT20:
304 htmode_str = "HT20";
305 hwmode_str = "n";
306 break;
307 case IWINFO_HTMODE_HT40:
308 htmode_str = "HT40";
309 hwmode_str = "n";
310 break;
311 case IWINFO_HTMODE_VHT80:
312 htmode_str = "VHT80";
313 hwmode_str = "ac";
314 break;
315 case IWINFO_HTMODE_VHT80_80:
316 htmode_str = "VHT80+80";
317 hwmode_str = "ac";
318 break;
319 case IWINFO_HTMODE_VHT160:
320 htmode_str = "VHT160";
321 hwmode_str = "ac";
322 break;
323 case IWINFO_HTMODE_NOHT:
324 htmode_str = "20";
325 hwmode_str = "a/g";
326 break;
327 default:
328 htmode_str = hwmode_str = "unknown";
329 break;
330 }
331 blobmsg_add_string(&buf, "hwmode", hwmode_str);
332 blobmsg_add_string(&buf, "htmode", htmode_str);
333 }
334
335 static void
336 rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
337 {
338 char rv[IWINFO_BUFSIZE] = { 0 };
339
340 if (!func(ifname, rv))
341 blobmsg_add_string(&buf, name, rv);
342 }
343
344 static int
345 rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
346 struct ubus_request_data *req, const char *method,
347 struct blob_attr *msg)
348 {
349 int rv;
350 void *c;
351
352 rv = rpc_iwinfo_open(msg);
353
354 if (rv)
355 return rv;
356
357 blob_buf_init(&buf, 0);
358
359 rpc_iwinfo_call_str("phy", iw->phyname);
360
361 rpc_iwinfo_call_str("ssid", iw->ssid);
362 rpc_iwinfo_call_str("bssid", iw->bssid);
363 rpc_iwinfo_call_str("country", iw->country);
364
365 rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
366 rpc_iwinfo_call_int("channel", iw->channel, NULL);
367
368 rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
369 rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
370
371 rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
372 rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
373
374 rpc_iwinfo_call_int("quality", iw->quality, NULL);
375 rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
376
377 rpc_iwinfo_call_int("signal", iw->signal, NULL);
378 rpc_iwinfo_call_int("noise", iw->noise, NULL);
379
380 rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
381
382 rpc_iwinfo_call_encryption("encryption");
383 rpc_iwinfo_call_htmodes("htmodes");
384 rpc_iwinfo_call_hwmodes("hwmodes");
385
386 rpc_iwinfo_call_hw_ht_mode();
387
388 c = blobmsg_open_table(&buf, "hardware");
389 rpc_iwinfo_call_hardware_id("id");
390 rpc_iwinfo_call_str("name", iw->hardware_name);
391 blobmsg_close_table(&buf, c);
392
393 ubus_send_reply(ctx, req, buf.head);
394
395 rpc_iwinfo_close();
396
397 return UBUS_STATUS_OK;
398 }
399
400 static int
401 rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
402 struct ubus_request_data *req, const char *method,
403 struct blob_attr *msg)
404 {
405 int i, rv, len;
406 void *c, *d, *t;
407 char mac[18];
408 char res[IWINFO_BUFSIZE];
409 struct iwinfo_scanlist_entry *e;
410
411 rv = rpc_iwinfo_open(msg);
412
413 if (rv)
414 return rv;
415
416 blob_buf_init(&buf, 0);
417
418 c = blobmsg_open_array(&buf, "results");
419
420 if (!iw->scanlist(ifname, res, &len) && (len > 0))
421 {
422 for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
423 {
424 e = (struct iwinfo_scanlist_entry *)&res[i];
425 d = blobmsg_open_table(&buf, NULL);
426
427 if (e->ssid[0])
428 blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
429
430 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
431 e->mac[0], e->mac[1], e->mac[2],
432 e->mac[3], e->mac[4], e->mac[5]);
433
434 blobmsg_add_string(&buf, "bssid", mac);
435
436 blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
437
438 blobmsg_add_u32(&buf, "channel", e->channel);
439 blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
440
441 blobmsg_add_u32(&buf, "quality", e->quality);
442 blobmsg_add_u32(&buf, "quality_max", e->quality_max);
443
444 t = blobmsg_open_table(&buf, "ht_operation");
445 blobmsg_add_u32(&buf, "primary_channel", e->ht_chan_info.primary_chan);
446 blobmsg_add_string(&buf, "secondary_channel_offset", ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
447 blobmsg_add_u32(&buf, "channel_width", ht_chan_width[e->ht_chan_info.chan_width]);
448 blobmsg_close_table(&buf, t);
449
450 if (e->vht_chan_info.center_chan_1) {
451 t = blobmsg_open_table(&buf, "vht_operation");
452 blobmsg_add_u32(&buf, "channel_width", vht_chan_width[e->vht_chan_info.chan_width]);
453 blobmsg_add_u32(&buf, "center_freq_1", e->vht_chan_info.center_chan_1);
454 blobmsg_add_u32(&buf, "center_freq_2", e->vht_chan_info.center_chan_2);
455 blobmsg_close_table(&buf, t);
456 }
457
458 rpc_iwinfo_add_encryption("encryption", &e->crypto);
459
460 blobmsg_close_table(&buf, d);
461 }
462 }
463
464 blobmsg_close_array(&buf, c);
465
466 ubus_send_reply(ctx, req, buf.head);
467
468 rpc_iwinfo_close();
469
470 return UBUS_STATUS_OK;
471 }
472
473 static void
474 rpc_iwinfo_add_rateinfo(struct iwinfo_rate_entry *r)
475 {
476 blobmsg_add_u8(&buf, "ht", r->is_ht);
477 blobmsg_add_u8(&buf, "vht", r->is_vht);
478 blobmsg_add_u32(&buf, "mhz", r->mhz);
479 blobmsg_add_u32(&buf, "rate", r->rate);
480
481 if (r->is_ht) {
482 blobmsg_add_u32(&buf, "mcs", r->mcs);
483 blobmsg_add_u8(&buf, "40mhz", r->is_40mhz);
484 blobmsg_add_u8(&buf, "short_gi", r->is_short_gi);
485 }
486 else if (r->is_vht) {
487 blobmsg_add_u32(&buf, "mcs", r->mcs);
488 blobmsg_add_u32(&buf, "nss", r->nss);
489 blobmsg_add_u8(&buf, "short_gi", r->is_short_gi);
490 }
491 }
492
493 static int
494 rpc_iwinfo_assoclist(struct ubus_context *ctx, struct ubus_object *obj,
495 struct ubus_request_data *req, const char *method,
496 struct blob_attr *msg)
497 {
498 int i, rv, len;
499 char mac[18];
500 char res[IWINFO_BUFSIZE];
501 struct iwinfo_assoclist_entry *a;
502 struct ether_addr *macaddr = NULL;
503 void *c, *d, *e;
504 struct blob_attr *tb[__RPC_A_MAX];
505 bool found = false;
506
507 blobmsg_parse(rpc_assoclist_policy, __RPC_A_MAX, tb,
508 blob_data(msg), blob_len(msg));
509
510 rv = __rpc_iwinfo_open(tb[RPC_A_DEVICE]);
511 if (rv)
512 return rv;
513
514 if (tb[RPC_A_MACADDR])
515 macaddr = ether_aton(blobmsg_data(tb[RPC_A_MACADDR]));
516
517 blob_buf_init(&buf, 0);
518
519 if (!macaddr)
520 c = blobmsg_open_array(&buf, "results");
521
522 if (!iw->assoclist(ifname, res, &len) && (len > 0))
523 {
524 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
525 {
526 a = (struct iwinfo_assoclist_entry *)&res[i];
527
528 if (!macaddr)
529 d = blobmsg_open_table(&buf, NULL);
530 else if (memcmp(macaddr, a->mac, ETH_ALEN) != 0)
531 continue;
532
533 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
534 a->mac[0], a->mac[1], a->mac[2],
535 a->mac[3], a->mac[4], a->mac[5]);
536
537 blobmsg_add_string(&buf, "mac", mac);
538 blobmsg_add_u32(&buf, "signal", a->signal);
539 blobmsg_add_u32(&buf, "signal_avg", a->signal_avg);
540 blobmsg_add_u32(&buf, "noise", a->noise);
541 blobmsg_add_u32(&buf, "inactive", a->inactive);
542 blobmsg_add_u32(&buf, "connected_time", a->connected_time);
543 blobmsg_add_u32(&buf, "thr", a->thr);
544 blobmsg_add_u8(&buf, "authorized", a->is_authorized);
545 blobmsg_add_u8(&buf, "authenticated", a->is_authenticated);
546 blobmsg_add_string(&buf, "preamble", a->is_preamble_short ? "short" : "long");
547 blobmsg_add_u8(&buf, "wme", a->is_wme);
548 blobmsg_add_u8(&buf, "mfp", a->is_mfp);
549 blobmsg_add_u8(&buf, "tdls", a->is_tdls);
550
551 blobmsg_add_u16(&buf, "mesh llid", a->llid);
552 blobmsg_add_u16(&buf, "mesh plid", a->plid);
553 blobmsg_add_string(&buf, "mesh plink", a->plink_state);
554 blobmsg_add_string(&buf, "mesh local PS", a->local_ps);
555 blobmsg_add_string(&buf, "mesh peer PS", a->peer_ps);
556 blobmsg_add_string(&buf, "mesh non-peer PS", a->nonpeer_ps);
557
558 e = blobmsg_open_table(&buf, "rx");
559 blobmsg_add_u64(&buf, "drop_misc", a->rx_drop_misc);
560 blobmsg_add_u32(&buf, "packets", a->rx_packets);
561 blobmsg_add_u32(&buf, "bytes", a->rx_bytes);
562 rpc_iwinfo_add_rateinfo(&a->rx_rate);
563 blobmsg_close_table(&buf, e);
564
565 e = blobmsg_open_table(&buf, "tx");
566 blobmsg_add_u32(&buf, "failed", a->tx_failed);
567 blobmsg_add_u32(&buf, "retries", a->tx_retries);
568 blobmsg_add_u32(&buf, "packets", a->tx_packets);
569 blobmsg_add_u32(&buf, "bytes", a->tx_bytes);
570 rpc_iwinfo_add_rateinfo(&a->tx_rate);
571 blobmsg_close_table(&buf, e);
572
573 found = true;
574 if (!macaddr)
575 blobmsg_close_table(&buf, d);
576 else
577 break;
578 }
579 }
580
581 if (!macaddr)
582 blobmsg_close_array(&buf, c);
583 else if (!found)
584 return UBUS_STATUS_NOT_FOUND;
585
586 ubus_send_reply(ctx, req, buf.head);
587
588 rpc_iwinfo_close();
589
590 return UBUS_STATUS_OK;
591 }
592
593 static int
594 rpc_iwinfo_survey(struct ubus_context *ctx, struct ubus_object *obj,
595 struct ubus_request_data *req, const char *method,
596 struct blob_attr *msg)
597 {
598 char res[IWINFO_BUFSIZE];
599 struct iwinfo_survey_entry *e;
600 void *c, *d;
601 int i, rv, len;
602
603 blob_buf_init(&buf, 0);
604
605 rv = rpc_iwinfo_open(msg);
606
607 c = blobmsg_open_array(&buf, "results");
608
609 if (rv || iw->survey(ifname, res, &len) || len < 0)
610 return UBUS_STATUS_OK;
611
612 for (i = 0; i < len; i += sizeof(struct iwinfo_survey_entry)) {
613 e = (struct iwinfo_survey_entry *)&res[i];
614
615 d = blobmsg_open_table(&buf, NULL);
616 blobmsg_add_u32(&buf, "mhz", e->mhz);
617 blobmsg_add_u32(&buf, "noise", e->noise);
618 blobmsg_add_u64(&buf, "active_time", e->active_time);
619 blobmsg_add_u64(&buf, "busy_time", e->busy_time);
620 blobmsg_add_u64(&buf, "busy_time_ext", e->busy_time_ext);
621 blobmsg_add_u64(&buf, "rx_time", e->rxtime);
622 blobmsg_add_u64(&buf, "tx_time", e->txtime);
623 blobmsg_close_table(&buf, d);
624 }
625
626 blobmsg_close_array(&buf, c);
627 ubus_send_reply(ctx, req, buf.head);
628 rpc_iwinfo_close();
629 return UBUS_STATUS_OK;
630 }
631
632 static int
633 rpc_iwinfo_freqlist(struct ubus_context *ctx, struct ubus_object *obj,
634 struct ubus_request_data *req, const char *method,
635 struct blob_attr *msg)
636 {
637 int i, rv, len, ch;
638 char res[IWINFO_BUFSIZE];
639 struct iwinfo_freqlist_entry *f;
640 void *c, *d;
641
642 rv = rpc_iwinfo_open(msg);
643
644 if (rv)
645 return rv;
646
647 blob_buf_init(&buf, 0);
648
649 c = blobmsg_open_array(&buf, "results");
650
651 if (!iw->freqlist(ifname, res, &len) && (len > 0))
652 {
653 if (iw->channel(ifname, &ch))
654 ch = -1;
655
656 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
657 {
658 f = (struct iwinfo_freqlist_entry *)&res[i];
659 d = blobmsg_open_table(&buf, NULL);
660
661 blobmsg_add_u32(&buf, "channel", f->channel);
662 blobmsg_add_u32(&buf, "mhz", f->mhz);
663 blobmsg_add_u8(&buf, "restricted", f->restricted);
664
665 if (ch > -1)
666 blobmsg_add_u8(&buf, "active", f->channel == ch);
667
668 blobmsg_close_table(&buf, d);
669 }
670 }
671
672 blobmsg_close_array(&buf, c);
673
674 ubus_send_reply(ctx, req, buf.head);
675
676 rpc_iwinfo_close();
677
678 return UBUS_STATUS_OK;
679 }
680
681 static int
682 rpc_iwinfo_txpowerlist(struct ubus_context *ctx, struct ubus_object *obj,
683 struct ubus_request_data *req, const char *method,
684 struct blob_attr *msg)
685 {
686 int i, rv, len, pwr, off;
687 char res[IWINFO_BUFSIZE];
688 struct iwinfo_txpwrlist_entry *t;
689 void *c, *d;
690
691 rv = rpc_iwinfo_open(msg);
692
693 if (rv)
694 return rv;
695
696 blob_buf_init(&buf, 0);
697
698 c = blobmsg_open_array(&buf, "results");
699
700 if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
701 {
702 if (iw->txpower(ifname, &pwr))
703 pwr = -1;
704
705 if (iw->txpower_offset(ifname, &off))
706 off = 0;
707
708 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
709 {
710 t = (struct iwinfo_txpwrlist_entry *)&res[i];
711 d = blobmsg_open_table(&buf, NULL);
712
713 blobmsg_add_u32(&buf, "dbm", t->dbm + off);
714 blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
715
716 if (pwr > -1)
717 blobmsg_add_u8(&buf, "active", t->dbm == pwr);
718
719 blobmsg_close_table(&buf, d);
720 }
721 }
722
723 blobmsg_close_array(&buf, c);
724
725 ubus_send_reply(ctx, req, buf.head);
726
727 rpc_iwinfo_close();
728
729 return UBUS_STATUS_OK;
730 }
731
732 static const char *
733 rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
734 {
735 int i;
736 static char ccode[5];
737 struct iwinfo_country_entry *c;
738
739 for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
740 {
741 c = (struct iwinfo_country_entry *)&buf[i];
742
743 if (c->iso3166 == iso3166)
744 {
745 snprintf(ccode, sizeof(ccode), "%s", c->ccode);
746 return ccode;
747 }
748 }
749
750 return NULL;
751 }
752
753 static int
754 rpc_iwinfo_countrylist(struct ubus_context *ctx, struct ubus_object *obj,
755 struct ubus_request_data *req, const char *method,
756 struct blob_attr *msg)
757 {
758 int rv, len;
759 char cur[3];
760 char iso3166[3];
761 char res[IWINFO_BUFSIZE] = {0};
762 const char *ccode;
763 const struct iwinfo_iso3166_label *l;
764 void *c, *d;
765
766 rv = rpc_iwinfo_open(msg);
767
768 if (rv)
769 return rv;
770
771 blob_buf_init(&buf, 0);
772
773 c = blobmsg_open_array(&buf, "results");
774
775 if (!iw->countrylist(ifname, res, &len) && (len > 0))
776 {
777 if (iw->country(ifname, cur))
778 memset(cur, 0, sizeof(cur));
779
780 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
781 {
782 ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
783
784 if (!ccode)
785 continue;
786
787 d = blobmsg_open_table(&buf, NULL);
788
789 blobmsg_add_string(&buf, "code", ccode);
790 blobmsg_add_string(&buf, "country", (const char *)l->name);
791
792 snprintf(iso3166, sizeof(iso3166), "%c%c",
793 (l->iso3166 / 256), (l->iso3166 % 256));
794
795 blobmsg_add_string(&buf, "iso3166", iso3166);
796
797 if (cur[0])
798 blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
799
800 blobmsg_close_table(&buf, d);
801 }
802 }
803
804 blobmsg_close_array(&buf, c);
805
806 ubus_send_reply(ctx, req, buf.head);
807
808 rpc_iwinfo_close();
809
810 return UBUS_STATUS_OK;
811 }
812
813 static int
814 rpc_iwinfo_phyname(struct ubus_context *ctx, struct ubus_object *obj,
815 struct ubus_request_data *req, const char *method,
816 struct blob_attr *msg)
817 {
818 int i;
819 bool found = false;
820 char res[IWINFO_BUFSIZE];
821 const struct iwinfo_ops *ops;
822 struct blob_attr *tb[__RPC_U_MAX];
823 const char *backends[] = {
824 "nl80211",
825 "madwifi",
826 "wl"
827 };
828
829 blobmsg_parse(rpc_uci_policy, __RPC_U_MAX, tb,
830 blob_data(msg), blob_len(msg));
831
832 if (!tb[RPC_U_SECTION])
833 return UBUS_STATUS_INVALID_ARGUMENT;
834
835 for (i = 0; i < ARRAY_SIZE(backends); i++)
836 {
837 ops = iwinfo_backend_by_name(backends[i]);
838
839 if (!ops || !ops->lookup_phy)
840 continue;
841
842 if (!ops->lookup_phy(blobmsg_get_string(tb[RPC_U_SECTION]), res))
843 {
844 found = true;
845 break;
846 }
847 }
848
849 if (found)
850 {
851 blob_buf_init(&buf, 0);
852 blobmsg_add_string(&buf, "phyname", res);
853
854 ubus_send_reply(ctx, req, buf.head);
855 }
856
857 rpc_iwinfo_close();
858
859 return found ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
860 }
861
862 static int
863 rpc_iwinfo_devices(struct ubus_context *ctx, struct ubus_object *obj,
864 struct ubus_request_data *req, const char *method,
865 struct blob_attr *msg)
866 {
867 void *c;
868 struct dirent *e;
869 DIR *d;
870
871 d = opendir("/sys/class/net");
872
873 if (!d)
874 return UBUS_STATUS_UNKNOWN_ERROR;
875
876 blob_buf_init(&buf, 0);
877
878 c = blobmsg_open_array(&buf, "devices");
879
880 while ((e = readdir(d)) != NULL)
881 {
882 if (e->d_type != DT_LNK)
883 continue;
884
885 if (iwinfo_type(e->d_name))
886 blobmsg_add_string(&buf, NULL, e->d_name);
887 }
888
889 blobmsg_close_array(&buf, c);
890
891 closedir(d);
892
893 ubus_send_reply(ctx, req, buf.head);
894
895 rpc_iwinfo_close();
896
897 return UBUS_STATUS_OK;
898 }
899
900
901 static int
902 rpc_iwinfo_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
903 {
904 static const struct ubus_method iwinfo_methods[] = {
905 UBUS_METHOD_NOARG("devices", rpc_iwinfo_devices),
906 UBUS_METHOD("info", rpc_iwinfo_info, rpc_device_policy),
907 UBUS_METHOD("scan", rpc_iwinfo_scan, rpc_device_policy),
908 UBUS_METHOD("assoclist", rpc_iwinfo_assoclist, rpc_assoclist_policy),
909 UBUS_METHOD("freqlist", rpc_iwinfo_freqlist, rpc_device_policy),
910 UBUS_METHOD("txpowerlist", rpc_iwinfo_txpowerlist, rpc_device_policy),
911 UBUS_METHOD("countrylist", rpc_iwinfo_countrylist, rpc_device_policy),
912 UBUS_METHOD("survey", rpc_iwinfo_survey, rpc_device_policy),
913 UBUS_METHOD("phyname", rpc_iwinfo_phyname, rpc_uci_policy),
914 };
915
916 static struct ubus_object_type iwinfo_type =
917 UBUS_OBJECT_TYPE("luci-rpc-iwinfo", iwinfo_methods);
918
919 static struct ubus_object obj = {
920 .name = "iwinfo",
921 .type = &iwinfo_type,
922 .methods = iwinfo_methods,
923 .n_methods = ARRAY_SIZE(iwinfo_methods),
924 };
925
926 return ubus_add_object(ctx, &obj);
927 }
928
929 struct rpc_plugin rpc_plugin = {
930 .init = rpc_iwinfo_api_init
931 };
OpenWrt ubus RPC daemon