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iwinfo: add flags to freqlist output
[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 <ctype.h>
21 #include <dirent.h>
22 #include <libubus.h>
23 #include <iwinfo.h>
24 #include <iwinfo/utils.h>
25 #include <net/ethernet.h>
26
27 #ifdef linux
28 #include <netinet/ether.h>
29 #endif
30
31 #include <rpcd/plugin.h>
32
33
34 static struct blob_buf buf;
35 static const struct iwinfo_ops *iw;
36 static const char *ifname;
37
38 enum {
39 RPC_D_DEVICE,
40 __RPC_D_MAX,
41 };
42
43 static const struct blobmsg_policy rpc_device_policy[__RPC_D_MAX] = {
44 [RPC_D_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
45 };
46
47 enum {
48 RPC_A_DEVICE,
49 RPC_A_MACADDR,
50 __RPC_A_MAX,
51 };
52
53 static const struct blobmsg_policy rpc_assoclist_policy[__RPC_A_MAX] = {
54 [RPC_A_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
55 [RPC_A_MACADDR] = { .name = "mac", .type = BLOBMSG_TYPE_STRING },
56 };
57
58 enum {
59 RPC_U_SECTION,
60 __RPC_U_MAX
61 };
62
63 static const struct blobmsg_policy rpc_uci_policy[__RPC_U_MAX] = {
64 [RPC_U_SECTION] = { .name = "section", .type = BLOBMSG_TYPE_STRING },
65 };
66
67 static int
68 __rpc_iwinfo_open(struct blob_attr *device)
69 {
70 if (!device)
71 return UBUS_STATUS_INVALID_ARGUMENT;
72
73 ifname = blobmsg_data(device);
74 iw = iwinfo_backend(ifname);
75
76 return iw ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
77 }
78
79 static int
80 rpc_iwinfo_open(struct blob_attr *msg)
81 {
82 static struct blob_attr *tb[__RPC_D_MAX];
83
84 blobmsg_parse(rpc_device_policy, __RPC_D_MAX, tb,
85 blob_data(msg), blob_len(msg));
86
87 return __rpc_iwinfo_open(tb[RPC_D_DEVICE]);
88 }
89
90 static void
91 rpc_iwinfo_close(void)
92 {
93 iw = NULL;
94 ifname = NULL;
95 iwinfo_finish();
96 }
97
98 static void
99 rpc_iwinfo_call_int(const char *name, int (*func)(const char *, int *),
100 const char * const *map)
101 {
102 int rv;
103
104 if (!func(ifname, &rv))
105 {
106 if (!map)
107 blobmsg_add_u32(&buf, name, rv);
108 else
109 blobmsg_add_string(&buf, name, map[rv]);
110 }
111 }
112
113 static void
114 rpc_iwinfo_call_hardware_id(const char *name)
115 {
116 struct iwinfo_hardware_id ids;
117 void *c;
118
119 if (!iw->hardware_id(ifname, (char *)&ids))
120 {
121 c = blobmsg_open_array(&buf, name);
122
123 blobmsg_add_u32(&buf, NULL, ids.vendor_id);
124 blobmsg_add_u32(&buf, NULL, ids.device_id);
125 blobmsg_add_u32(&buf, NULL, ids.subsystem_vendor_id);
126 blobmsg_add_u32(&buf, NULL, ids.subsystem_device_id);
127
128 blobmsg_close_array(&buf, c);
129 }
130 }
131
132 static void
133 rpc_iwinfo_lower(const char *src, char *dst, size_t len)
134 {
135 size_t i;
136
137 for (i = 0; *src && i < len; i++)
138 *dst++ = tolower(*src++);
139
140 *dst = 0;
141 }
142
143 static void
144 rpc_iwinfo_add_bit_array(const char *name, uint32_t bits,
145 const char * const values[], size_t len,
146 bool lower, uint32_t zero)
147 {
148 void *c;
149 size_t i;
150 char l[128];
151 const char *v;
152
153 if (!bits)
154 bits = zero;
155
156 c = blobmsg_open_array(&buf, name);
157
158 for (i = 0; i < len; i++)
159 if (bits & 1 << i)
160 {
161 v = values[i];
162
163 if (lower)
164 {
165 rpc_iwinfo_lower(v, l, strlen(values[i]));
166 v = l;
167 }
168
169 blobmsg_add_string(&buf, NULL, v);
170 }
171
172 blobmsg_close_array(&buf, c);
173 }
174
175 static void
176 rpc_iwinfo_add_encryption(const char *name, struct iwinfo_crypto_entry *e)
177 {
178 int wpa_version;
179 void *c, *d;
180
181 c = blobmsg_open_table(&buf, name);
182
183 blobmsg_add_u8(&buf, "enabled", e->enabled);
184
185 if (e->enabled)
186 {
187 if (!e->wpa_version)
188 {
189 rpc_iwinfo_add_bit_array("wep", e->auth_algs,
190 IWINFO_AUTH_NAMES,
191 IWINFO_AUTH_COUNT,
192 true, 0);
193 }
194 else
195 {
196 d = blobmsg_open_array(&buf, "wpa");
197
198 for (wpa_version = 1; wpa_version <= 3; wpa_version++)
199 if (e->wpa_version & (1 << (wpa_version - 1)))
200 blobmsg_add_u32(&buf, NULL, wpa_version);
201
202 blobmsg_close_array(&buf, d);
203
204 rpc_iwinfo_add_bit_array("authentication",
205 e->auth_suites,
206 IWINFO_KMGMT_NAMES,
207 IWINFO_KMGMT_COUNT,
208 true, IWINFO_KMGMT_NONE);
209 }
210
211
212 rpc_iwinfo_add_bit_array("ciphers",
213 e->pair_ciphers | e->group_ciphers,
214 IWINFO_CIPHER_NAMES,
215 IWINFO_CIPHER_COUNT,
216 true, IWINFO_CIPHER_NONE);
217 }
218
219 blobmsg_close_table(&buf, c);
220 }
221
222 static void
223 rpc_iwinfo_call_encryption(const char *name)
224 {
225 struct iwinfo_crypto_entry crypto = { 0 };
226
227 if (!iw->encryption(ifname, (char *)&crypto))
228 rpc_iwinfo_add_encryption(name, &crypto);
229 }
230
231 static void
232 rpc_iwinfo_call_htmodes(const char *name)
233 {
234 int modes;
235
236 if (iw->htmodelist(ifname, &modes))
237 return;
238
239 rpc_iwinfo_add_bit_array(name, modes & ~IWINFO_HTMODE_NOHT,
240 IWINFO_HTMODE_NAMES, IWINFO_HTMODE_COUNT,
241 false, 0);
242 }
243
244 static int
245 rpc_iwinfo_call_hwmodes(const char *name)
246 {
247 int modes;
248
249 if (iw->hwmodelist(ifname, &modes))
250 return -1;
251
252 rpc_iwinfo_add_bit_array(name, modes,
253 IWINFO_80211_NAMES, IWINFO_80211_COUNT,
254 false, 0);
255
256 return modes;
257 }
258
259 static void rpc_iwinfo_call_hw_ht_mode(int hwmodelist)
260 {
261 char text[32];
262 const char *hwmode_str;
263 const char *htmode_str;
264 int htmode;
265
266 if (iwinfo_format_hwmodes(hwmodelist, text, sizeof(text)) > 0)
267 blobmsg_add_string(&buf, "hwmodes_text", text);
268
269 if (hwmodelist == IWINFO_80211_AD)
270 {
271 blobmsg_add_string(&buf, "hwmode", "ad");
272 return;
273 }
274
275 if (iw->htmode(ifname, &htmode))
276 return;
277
278 htmode_str = iwinfo_htmode_name(htmode);
279 if (htmode_str)
280 {
281 if (iwinfo_htmode_is_ht(htmode))
282 hwmode_str = "n";
283 else if (iwinfo_htmode_is_vht(htmode))
284 hwmode_str = "ac";
285 else if (iwinfo_htmode_is_he(htmode))
286 hwmode_str = "ax";
287 else
288 hwmode_str = "a/g";
289 } else
290 htmode_str = hwmode_str = "unknown";
291
292 blobmsg_add_string(&buf, "hwmode", hwmode_str);
293 blobmsg_add_string(&buf, "htmode", htmode_str);
294 }
295
296 static void
297 rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
298 {
299 char rv[IWINFO_BUFSIZE] = { 0 };
300
301 if (!func(ifname, rv))
302 blobmsg_add_string(&buf, name, rv);
303 }
304
305 static int
306 rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
307 struct ubus_request_data *req, const char *method,
308 struct blob_attr *msg)
309 {
310 int rv, hwmodes;
311 void *c;
312
313 rv = rpc_iwinfo_open(msg);
314
315 if (rv)
316 return rv;
317
318 blob_buf_init(&buf, 0);
319
320 rpc_iwinfo_call_str("phy", iw->phyname);
321
322 rpc_iwinfo_call_str("ssid", iw->ssid);
323 rpc_iwinfo_call_str("bssid", iw->bssid);
324 rpc_iwinfo_call_str("country", iw->country);
325
326 rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
327 rpc_iwinfo_call_int("channel", iw->channel, NULL);
328 rpc_iwinfo_call_int("center_chan1", iw->center_chan1, NULL);
329 rpc_iwinfo_call_int("center_chan2", iw->center_chan2, NULL);
330
331 rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
332 rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
333
334 rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
335 rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
336
337 rpc_iwinfo_call_int("quality", iw->quality, NULL);
338 rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
339
340 rpc_iwinfo_call_int("signal", iw->signal, NULL);
341 rpc_iwinfo_call_int("noise", iw->noise, NULL);
342
343 rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
344
345 rpc_iwinfo_call_encryption("encryption");
346 rpc_iwinfo_call_htmodes("htmodes");
347 hwmodes = rpc_iwinfo_call_hwmodes("hwmodes");
348
349 if (hwmodes > 0)
350 rpc_iwinfo_call_hw_ht_mode(hwmodes);
351
352 c = blobmsg_open_table(&buf, "hardware");
353 rpc_iwinfo_call_hardware_id("id");
354 rpc_iwinfo_call_str("name", iw->hardware_name);
355 blobmsg_close_table(&buf, c);
356
357 ubus_send_reply(ctx, req, buf.head);
358
359 rpc_iwinfo_close();
360
361 return UBUS_STATUS_OK;
362 }
363
364 static int
365 rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
366 struct ubus_request_data *req, const char *method,
367 struct blob_attr *msg)
368 {
369 int i, rv, len;
370 void *c, *d, *t;
371 char mac[18];
372 char res[IWINFO_BUFSIZE];
373 struct iwinfo_scanlist_entry *e;
374
375 rv = rpc_iwinfo_open(msg);
376
377 if (rv)
378 return rv;
379
380 blob_buf_init(&buf, 0);
381
382 c = blobmsg_open_array(&buf, "results");
383
384 if (!iw->scanlist(ifname, res, &len) && (len > 0))
385 {
386 for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
387 {
388 e = (struct iwinfo_scanlist_entry *)&res[i];
389 d = blobmsg_open_table(&buf, NULL);
390
391 if (e->ssid[0])
392 blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
393
394 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
395 e->mac[0], e->mac[1], e->mac[2],
396 e->mac[3], e->mac[4], e->mac[5]);
397
398 blobmsg_add_string(&buf, "bssid", mac);
399
400 blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
401
402 blobmsg_add_u32(&buf, "channel", e->channel);
403 blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
404
405 blobmsg_add_u32(&buf, "quality", e->quality);
406 blobmsg_add_u32(&buf, "quality_max", e->quality_max);
407
408 if (e->ht_chan_info.primary_chan) {
409 t = blobmsg_open_table(&buf, "ht_operation");
410 blobmsg_add_u32(&buf, "primary_channel", e->ht_chan_info.primary_chan);
411 blobmsg_add_string(&buf, "secondary_channel_offset", ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
412 blobmsg_add_u32(&buf, "channel_width", ht_chan_width[e->ht_chan_info.chan_width]);
413 blobmsg_close_table(&buf, t);
414 }
415
416 if (e->vht_chan_info.center_chan_1) {
417 t = blobmsg_open_table(&buf, "vht_operation");
418 blobmsg_add_u32(&buf, "channel_width", vht_chan_width[e->vht_chan_info.chan_width]);
419 blobmsg_add_u32(&buf, "center_freq_1", e->vht_chan_info.center_chan_1);
420 blobmsg_add_u32(&buf, "center_freq_2", e->vht_chan_info.center_chan_2);
421 blobmsg_close_table(&buf, t);
422 }
423
424 rpc_iwinfo_add_encryption("encryption", &e->crypto);
425
426 blobmsg_close_table(&buf, d);
427 }
428 }
429
430 blobmsg_close_array(&buf, c);
431
432 ubus_send_reply(ctx, req, buf.head);
433
434 rpc_iwinfo_close();
435
436 return UBUS_STATUS_OK;
437 }
438
439 static void
440 rpc_iwinfo_add_rateinfo(struct iwinfo_rate_entry *r)
441 {
442 blobmsg_add_u8(&buf, "ht", r->is_ht);
443 blobmsg_add_u8(&buf, "vht", r->is_vht);
444 blobmsg_add_u8(&buf, "he", r->is_he);
445 blobmsg_add_u32(&buf, "mhz", r->mhz);
446 blobmsg_add_u32(&buf, "rate", r->rate);
447
448 if (r->is_ht) {
449 blobmsg_add_u32(&buf, "mcs", r->mcs);
450 blobmsg_add_u8(&buf, "40mhz", r->is_40mhz);
451 blobmsg_add_u8(&buf, "short_gi", r->is_short_gi);
452 }
453 else if (r->is_vht) {
454 blobmsg_add_u32(&buf, "mcs", r->mcs);
455 blobmsg_add_u32(&buf, "nss", r->nss);
456 blobmsg_add_u8(&buf, "short_gi", r->is_short_gi);
457 }
458 else if (r->is_he) {
459 blobmsg_add_u32(&buf, "mcs", r->mcs);
460 blobmsg_add_u32(&buf, "nss", r->nss);
461 blobmsg_add_u32(&buf, "he_gi", r->he_gi);
462 blobmsg_add_u32(&buf, "he_dcm", r->he_dcm);
463 }
464 }
465
466 static int
467 rpc_iwinfo_assoclist(struct ubus_context *ctx, struct ubus_object *obj,
468 struct ubus_request_data *req, const char *method,
469 struct blob_attr *msg)
470 {
471 int i, rv, len;
472 char mac[18];
473 char res[IWINFO_BUFSIZE];
474 struct iwinfo_assoclist_entry *a;
475 struct ether_addr *macaddr = NULL;
476 void *c = NULL, *d, *e;
477 struct blob_attr *tb[__RPC_A_MAX];
478 bool found = false;
479
480 blobmsg_parse(rpc_assoclist_policy, __RPC_A_MAX, tb,
481 blob_data(msg), blob_len(msg));
482
483 rv = __rpc_iwinfo_open(tb[RPC_A_DEVICE]);
484 if (rv)
485 return rv;
486
487 if (tb[RPC_A_MACADDR])
488 macaddr = ether_aton(blobmsg_data(tb[RPC_A_MACADDR]));
489
490 blob_buf_init(&buf, 0);
491
492 if (!macaddr)
493 c = blobmsg_open_array(&buf, "results");
494
495 if (!iw->assoclist(ifname, res, &len) && (len > 0))
496 {
497 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
498 {
499 a = (struct iwinfo_assoclist_entry *)&res[i];
500
501 if (!macaddr)
502 d = blobmsg_open_table(&buf, NULL);
503 else if (memcmp(macaddr, a->mac, ETH_ALEN) != 0)
504 continue;
505
506 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
507 a->mac[0], a->mac[1], a->mac[2],
508 a->mac[3], a->mac[4], a->mac[5]);
509
510 blobmsg_add_string(&buf, "mac", mac);
511 blobmsg_add_u32(&buf, "signal", a->signal);
512 blobmsg_add_u32(&buf, "signal_avg", a->signal_avg);
513 blobmsg_add_u32(&buf, "noise", a->noise);
514 blobmsg_add_u32(&buf, "inactive", a->inactive);
515 blobmsg_add_u32(&buf, "connected_time", a->connected_time);
516 blobmsg_add_u32(&buf, "thr", a->thr);
517 blobmsg_add_u8(&buf, "authorized", a->is_authorized);
518 blobmsg_add_u8(&buf, "authenticated", a->is_authenticated);
519 blobmsg_add_string(&buf, "preamble", a->is_preamble_short ? "short" : "long");
520 blobmsg_add_u8(&buf, "wme", a->is_wme);
521 blobmsg_add_u8(&buf, "mfp", a->is_mfp);
522 blobmsg_add_u8(&buf, "tdls", a->is_tdls);
523
524 blobmsg_add_u16(&buf, "mesh llid", a->llid);
525 blobmsg_add_u16(&buf, "mesh plid", a->plid);
526 blobmsg_add_string(&buf, "mesh plink", a->plink_state);
527 blobmsg_add_string(&buf, "mesh local PS", a->local_ps);
528 blobmsg_add_string(&buf, "mesh peer PS", a->peer_ps);
529 blobmsg_add_string(&buf, "mesh non-peer PS", a->nonpeer_ps);
530
531 e = blobmsg_open_table(&buf, "rx");
532 blobmsg_add_u64(&buf, "drop_misc", a->rx_drop_misc);
533 blobmsg_add_u32(&buf, "packets", a->rx_packets);
534 blobmsg_add_u32(&buf, "bytes", a->rx_bytes);
535 rpc_iwinfo_add_rateinfo(&a->rx_rate);
536 blobmsg_close_table(&buf, e);
537
538 e = blobmsg_open_table(&buf, "tx");
539 blobmsg_add_u32(&buf, "failed", a->tx_failed);
540 blobmsg_add_u32(&buf, "retries", a->tx_retries);
541 blobmsg_add_u32(&buf, "packets", a->tx_packets);
542 blobmsg_add_u32(&buf, "bytes", a->tx_bytes);
543 rpc_iwinfo_add_rateinfo(&a->tx_rate);
544 blobmsg_close_table(&buf, e);
545
546 found = true;
547 if (!macaddr)
548 blobmsg_close_table(&buf, d);
549 else
550 break;
551 }
552 }
553
554 if (!macaddr)
555 blobmsg_close_array(&buf, c);
556 else if (!found)
557 return UBUS_STATUS_NOT_FOUND;
558
559 ubus_send_reply(ctx, req, buf.head);
560
561 rpc_iwinfo_close();
562
563 return UBUS_STATUS_OK;
564 }
565
566 static int
567 rpc_iwinfo_survey(struct ubus_context *ctx, struct ubus_object *obj,
568 struct ubus_request_data *req, const char *method,
569 struct blob_attr *msg)
570 {
571 char res[IWINFO_BUFSIZE];
572 struct iwinfo_survey_entry *e;
573 void *c, *d;
574 int i, rv, len;
575
576 blob_buf_init(&buf, 0);
577
578 rv = rpc_iwinfo_open(msg);
579
580 c = blobmsg_open_array(&buf, "results");
581
582 if (rv || iw->survey(ifname, res, &len) || len < 0)
583 return UBUS_STATUS_OK;
584
585 for (i = 0; i < len; i += sizeof(struct iwinfo_survey_entry)) {
586 e = (struct iwinfo_survey_entry *)&res[i];
587
588 d = blobmsg_open_table(&buf, NULL);
589 blobmsg_add_u32(&buf, "mhz", e->mhz);
590 blobmsg_add_u32(&buf, "noise", e->noise);
591 blobmsg_add_u64(&buf, "active_time", e->active_time);
592 blobmsg_add_u64(&buf, "busy_time", e->busy_time);
593 blobmsg_add_u64(&buf, "busy_time_ext", e->busy_time_ext);
594 blobmsg_add_u64(&buf, "rx_time", e->rxtime);
595 blobmsg_add_u64(&buf, "tx_time", e->txtime);
596 blobmsg_close_table(&buf, d);
597 }
598
599 blobmsg_close_array(&buf, c);
600 ubus_send_reply(ctx, req, buf.head);
601 rpc_iwinfo_close();
602 return UBUS_STATUS_OK;
603 }
604
605 static int
606 rpc_iwinfo_freqlist(struct ubus_context *ctx, struct ubus_object *obj,
607 struct ubus_request_data *req, const char *method,
608 struct blob_attr *msg)
609 {
610 int i, rv, len, ch;
611 char res[IWINFO_BUFSIZE];
612 struct iwinfo_freqlist_entry *f;
613 void *c, *d;
614
615 rv = rpc_iwinfo_open(msg);
616
617 if (rv)
618 return rv;
619
620 blob_buf_init(&buf, 0);
621
622 c = blobmsg_open_array(&buf, "results");
623
624 if (!iw->freqlist(ifname, res, &len) && (len > 0))
625 {
626 if (iw->channel(ifname, &ch))
627 ch = -1;
628
629 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
630 {
631 f = (struct iwinfo_freqlist_entry *)&res[i];
632 d = blobmsg_open_table(&buf, NULL);
633
634 blobmsg_add_u32(&buf, "channel", f->channel);
635 blobmsg_add_u32(&buf, "mhz", f->mhz);
636 blobmsg_add_u8(&buf, "restricted", f->restricted);
637
638 rpc_iwinfo_add_bit_array("flags", f->flags,
639 IWINFO_FREQ_FLAG_NAMES,
640 IWINFO_FREQ_FLAG_COUNT,
641 true, 0);
642
643 if (ch > -1)
644 blobmsg_add_u8(&buf, "active", f->channel == ch);
645
646 blobmsg_close_table(&buf, d);
647 }
648 }
649
650 blobmsg_close_array(&buf, c);
651
652 ubus_send_reply(ctx, req, buf.head);
653
654 rpc_iwinfo_close();
655
656 return UBUS_STATUS_OK;
657 }
658
659 static int
660 rpc_iwinfo_txpowerlist(struct ubus_context *ctx, struct ubus_object *obj,
661 struct ubus_request_data *req, const char *method,
662 struct blob_attr *msg)
663 {
664 int i, rv, len, pwr, off;
665 char res[IWINFO_BUFSIZE];
666 struct iwinfo_txpwrlist_entry *t;
667 void *c, *d;
668
669 rv = rpc_iwinfo_open(msg);
670
671 if (rv)
672 return rv;
673
674 blob_buf_init(&buf, 0);
675
676 c = blobmsg_open_array(&buf, "results");
677
678 if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
679 {
680 if (iw->txpower(ifname, &pwr))
681 pwr = -1;
682
683 if (iw->txpower_offset(ifname, &off))
684 off = 0;
685
686 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
687 {
688 t = (struct iwinfo_txpwrlist_entry *)&res[i];
689 d = blobmsg_open_table(&buf, NULL);
690
691 blobmsg_add_u32(&buf, "dbm", t->dbm + off);
692 blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
693
694 if (pwr > -1)
695 blobmsg_add_u8(&buf, "active", t->dbm == pwr);
696
697 blobmsg_close_table(&buf, d);
698 }
699 }
700
701 blobmsg_close_array(&buf, c);
702
703 ubus_send_reply(ctx, req, buf.head);
704
705 rpc_iwinfo_close();
706
707 return UBUS_STATUS_OK;
708 }
709
710 static const char *
711 rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
712 {
713 int i;
714 static char ccode[5];
715 struct iwinfo_country_entry *c;
716
717 for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
718 {
719 c = (struct iwinfo_country_entry *)&buf[i];
720
721 if (c->iso3166 == iso3166)
722 {
723 snprintf(ccode, sizeof(ccode), "%s", c->ccode);
724 return ccode;
725 }
726 }
727
728 return NULL;
729 }
730
731 static int
732 rpc_iwinfo_countrylist(struct ubus_context *ctx, struct ubus_object *obj,
733 struct ubus_request_data *req, const char *method,
734 struct blob_attr *msg)
735 {
736 int rv, len;
737 char cur[3];
738 char iso3166[3];
739 char res[IWINFO_BUFSIZE] = {0};
740 const char *ccode;
741 const struct iwinfo_iso3166_label *l;
742 void *c, *d;
743
744 rv = rpc_iwinfo_open(msg);
745
746 if (rv)
747 return rv;
748
749 blob_buf_init(&buf, 0);
750
751 c = blobmsg_open_array(&buf, "results");
752
753 if (!iw->countrylist(ifname, res, &len) && (len > 0))
754 {
755 if (iw->country(ifname, cur))
756 memset(cur, 0, sizeof(cur));
757
758 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
759 {
760 ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
761
762 if (!ccode)
763 continue;
764
765 d = blobmsg_open_table(&buf, NULL);
766
767 blobmsg_add_string(&buf, "code", ccode);
768 blobmsg_add_string(&buf, "country", (const char *)l->name);
769
770 snprintf(iso3166, sizeof(iso3166), "%c%c",
771 (l->iso3166 / 256), (l->iso3166 % 256));
772
773 blobmsg_add_string(&buf, "iso3166", iso3166);
774
775 if (cur[0])
776 blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
777
778 blobmsg_close_table(&buf, d);
779 }
780 }
781
782 blobmsg_close_array(&buf, c);
783
784 ubus_send_reply(ctx, req, buf.head);
785
786 rpc_iwinfo_close();
787
788 return UBUS_STATUS_OK;
789 }
790
791 static int
792 rpc_iwinfo_phyname(struct ubus_context *ctx, struct ubus_object *obj,
793 struct ubus_request_data *req, const char *method,
794 struct blob_attr *msg)
795 {
796 int i;
797 bool found = false;
798 char res[IWINFO_BUFSIZE];
799 const struct iwinfo_ops *ops;
800 struct blob_attr *tb[__RPC_U_MAX];
801 const char *backends[] = {
802 "nl80211",
803 "madwifi",
804 "wl"
805 };
806
807 blobmsg_parse(rpc_uci_policy, __RPC_U_MAX, tb,
808 blob_data(msg), blob_len(msg));
809
810 if (!tb[RPC_U_SECTION])
811 return UBUS_STATUS_INVALID_ARGUMENT;
812
813 for (i = 0; i < ARRAY_SIZE(backends); i++)
814 {
815 ops = iwinfo_backend_by_name(backends[i]);
816
817 if (!ops || !ops->lookup_phy)
818 continue;
819
820 if (!ops->lookup_phy(blobmsg_get_string(tb[RPC_U_SECTION]), res))
821 {
822 found = true;
823 break;
824 }
825 }
826
827 if (found)
828 {
829 blob_buf_init(&buf, 0);
830 blobmsg_add_string(&buf, "phyname", res);
831
832 ubus_send_reply(ctx, req, buf.head);
833 }
834
835 rpc_iwinfo_close();
836
837 return found ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
838 }
839
840 static int
841 rpc_iwinfo_devices(struct ubus_context *ctx, struct ubus_object *obj,
842 struct ubus_request_data *req, const char *method,
843 struct blob_attr *msg)
844 {
845 void *c;
846 struct dirent *e;
847 DIR *d;
848
849 d = opendir("/sys/class/net");
850
851 if (!d)
852 return UBUS_STATUS_UNKNOWN_ERROR;
853
854 blob_buf_init(&buf, 0);
855
856 c = blobmsg_open_array(&buf, "devices");
857
858 while ((e = readdir(d)) != NULL)
859 {
860 if (e->d_type != DT_LNK)
861 continue;
862
863 if (iwinfo_type(e->d_name))
864 blobmsg_add_string(&buf, NULL, e->d_name);
865 }
866
867 blobmsg_close_array(&buf, c);
868
869 closedir(d);
870
871 ubus_send_reply(ctx, req, buf.head);
872
873 rpc_iwinfo_close();
874
875 return UBUS_STATUS_OK;
876 }
877
878
879 static int
880 rpc_iwinfo_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
881 {
882 static const struct ubus_method iwinfo_methods[] = {
883 UBUS_METHOD_NOARG("devices", rpc_iwinfo_devices),
884 UBUS_METHOD("info", rpc_iwinfo_info, rpc_device_policy),
885 UBUS_METHOD("scan", rpc_iwinfo_scan, rpc_device_policy),
886 UBUS_METHOD("assoclist", rpc_iwinfo_assoclist, rpc_assoclist_policy),
887 UBUS_METHOD("freqlist", rpc_iwinfo_freqlist, rpc_device_policy),
888 UBUS_METHOD("txpowerlist", rpc_iwinfo_txpowerlist, rpc_device_policy),
889 UBUS_METHOD("countrylist", rpc_iwinfo_countrylist, rpc_device_policy),
890 UBUS_METHOD("survey", rpc_iwinfo_survey, rpc_device_policy),
891 UBUS_METHOD("phyname", rpc_iwinfo_phyname, rpc_uci_policy),
892 };
893
894 static struct ubus_object_type iwinfo_type =
895 UBUS_OBJECT_TYPE("rpcd-plugin-iwinfo", iwinfo_methods);
896
897 static struct ubus_object obj = {
898 .name = "iwinfo",
899 .type = &iwinfo_type,
900 .methods = iwinfo_methods,
901 .n_methods = ARRAY_SIZE(iwinfo_methods),
902 };
903
904 return ubus_add_object(ctx, &obj);
905 }
906
907 struct rpc_plugin rpc_plugin = {
908 .init = rpc_iwinfo_api_init
909 };
OpenWrt ubus RPC daemon