2 * rpcd - UBUS RPC server
4 * Copyright (C) 2013-2014 Jo-Philipp Wich <jow@openwrt.org>
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.
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.
19 #include <sys/types.h>
23 #include <iwinfo/utils.h>
24 #include <net/ethernet.h>
27 #include <netinet/ether.h>
30 #include <rpcd/plugin.h>
33 static struct blob_buf buf;
34 static const struct iwinfo_ops *iw;
35 static const char *ifname;
42 static const struct blobmsg_policy rpc_device_policy[__RPC_D_MAX] = {
43 [RPC_D_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
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 },
62 static const struct blobmsg_policy rpc_uci_policy[__RPC_U_MAX] = {
63 [RPC_U_SECTION] = { .name = "section", .type = BLOBMSG_TYPE_STRING },
67 __rpc_iwinfo_open(struct blob_attr *device)
70 return UBUS_STATUS_INVALID_ARGUMENT;
72 ifname = blobmsg_data(device);
73 iw = iwinfo_backend(ifname);
75 return iw ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
79 rpc_iwinfo_open(struct blob_attr *msg)
81 static struct blob_attr *tb[__RPC_D_MAX];
83 blobmsg_parse(rpc_device_policy, __RPC_D_MAX, tb,
84 blob_data(msg), blob_len(msg));
86 return __rpc_iwinfo_open(tb[RPC_D_DEVICE]);
90 rpc_iwinfo_close(void)
98 rpc_iwinfo_call_int(const char *name, int (*func)(const char *, int *),
103 if (!func(ifname, &rv))
106 blobmsg_add_u32(&buf, name, rv);
108 blobmsg_add_string(&buf, name, map[rv]);
113 rpc_iwinfo_call_hardware_id(const char *name)
115 struct iwinfo_hardware_id ids;
118 if (!iw->hardware_id(ifname, (char *)&ids))
120 c = blobmsg_open_array(&buf, name);
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);
127 blobmsg_close_array(&buf, c);
132 rpc_iwinfo_add_encryption(const char *name, struct iwinfo_crypto_entry *e)
137 c = blobmsg_open_table(&buf, name);
139 blobmsg_add_u8(&buf, "enabled", e->enabled);
145 d = blobmsg_open_array(&buf, "wep");
147 if (e->auth_algs & IWINFO_AUTH_OPEN)
148 blobmsg_add_string(&buf, NULL, "open");
150 if (e->auth_algs & IWINFO_AUTH_SHARED)
151 blobmsg_add_string(&buf, NULL, "shared");
153 blobmsg_close_array(&buf, d);
157 d = blobmsg_open_array(&buf, "wpa");
159 if (e->wpa_version > 2)
161 blobmsg_add_u32(&buf, NULL, 1);
162 blobmsg_add_u32(&buf, NULL, 2);
166 blobmsg_add_u32(&buf, NULL, e->wpa_version);
169 blobmsg_close_array(&buf, d);
172 d = blobmsg_open_array(&buf, "authentication");
174 if (e->auth_suites & IWINFO_KMGMT_PSK)
175 blobmsg_add_string(&buf, NULL, "psk");
177 if (e->auth_suites & IWINFO_KMGMT_8021x)
178 blobmsg_add_string(&buf, NULL, "802.1x");
180 if (!e->auth_suites ||
181 (e->auth_suites & IWINFO_KMGMT_NONE))
182 blobmsg_add_string(&buf, NULL, "none");
184 blobmsg_close_array(&buf, d);
187 d = blobmsg_open_array(&buf, "ciphers");
188 ciph = e->pair_ciphers | e->group_ciphers;
190 if (ciph & IWINFO_CIPHER_WEP40)
191 blobmsg_add_string(&buf, NULL, "wep-40");
193 if (ciph & IWINFO_CIPHER_WEP104)
194 blobmsg_add_string(&buf, NULL, "wep-104");
196 if (ciph & IWINFO_CIPHER_TKIP)
197 blobmsg_add_string(&buf, NULL, "tkip");
199 if (ciph & IWINFO_CIPHER_CCMP)
200 blobmsg_add_string(&buf, NULL, "ccmp");
202 if (ciph & IWINFO_CIPHER_WRAP)
203 blobmsg_add_string(&buf, NULL, "wrap");
205 if (ciph & IWINFO_CIPHER_AESOCB)
206 blobmsg_add_string(&buf, NULL, "aes-ocb");
208 if (ciph & IWINFO_CIPHER_CKIP)
209 blobmsg_add_string(&buf, NULL, "ckip");
211 if (!ciph || (ciph & IWINFO_CIPHER_NONE))
212 blobmsg_add_string(&buf, NULL, "none");
214 blobmsg_close_array(&buf, d);
217 blobmsg_close_table(&buf, c);
221 rpc_iwinfo_call_encryption(const char *name)
223 struct iwinfo_crypto_entry crypto = { 0 };
225 if (!iw->encryption(ifname, (char *)&crypto))
226 rpc_iwinfo_add_encryption(name, &crypto);
230 rpc_iwinfo_call_hwmodes(const char *name)
235 if (!iw->hwmodelist(ifname, &modes))
237 c = blobmsg_open_array(&buf, name);
239 if (modes & IWINFO_80211_AC)
240 blobmsg_add_string(&buf, NULL, "ac");
242 if (modes & IWINFO_80211_A)
243 blobmsg_add_string(&buf, NULL, "a");
245 if (modes & IWINFO_80211_B)
246 blobmsg_add_string(&buf, NULL, "b");
248 if (modes & IWINFO_80211_G)
249 blobmsg_add_string(&buf, NULL, "g");
251 if (modes & IWINFO_80211_N)
252 blobmsg_add_string(&buf, NULL, "n");
254 blobmsg_close_array(&buf, c);
259 rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
261 char rv[IWINFO_BUFSIZE] = { 0 };
263 if (!func(ifname, rv))
264 blobmsg_add_string(&buf, name, rv);
268 rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
269 struct ubus_request_data *req, const char *method,
270 struct blob_attr *msg)
275 rv = rpc_iwinfo_open(msg);
280 blob_buf_init(&buf, 0);
282 rpc_iwinfo_call_str("phy", iw->phyname);
284 rpc_iwinfo_call_str("ssid", iw->ssid);
285 rpc_iwinfo_call_str("bssid", iw->bssid);
286 rpc_iwinfo_call_str("country", iw->country);
288 rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
289 rpc_iwinfo_call_int("channel", iw->channel, NULL);
291 rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
292 rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
294 rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
295 rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
297 rpc_iwinfo_call_int("quality", iw->quality, NULL);
298 rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
300 rpc_iwinfo_call_int("signal", iw->signal, NULL);
301 rpc_iwinfo_call_int("noise", iw->noise, NULL);
303 rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
305 rpc_iwinfo_call_encryption("encryption");
306 rpc_iwinfo_call_hwmodes("hwmodes");
308 c = blobmsg_open_table(&buf, "hardware");
309 rpc_iwinfo_call_hardware_id("id");
310 rpc_iwinfo_call_str("name", iw->hardware_name);
311 blobmsg_close_table(&buf, c);
313 ubus_send_reply(ctx, req, buf.head);
317 return UBUS_STATUS_OK;
321 rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
322 struct ubus_request_data *req, const char *method,
323 struct blob_attr *msg)
328 char res[IWINFO_BUFSIZE];
329 struct iwinfo_scanlist_entry *e;
331 rv = rpc_iwinfo_open(msg);
336 blob_buf_init(&buf, 0);
338 c = blobmsg_open_array(&buf, "results");
340 if (!iw->scanlist(ifname, res, &len) && (len > 0))
342 for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
344 e = (struct iwinfo_scanlist_entry *)&res[i];
345 d = blobmsg_open_table(&buf, NULL);
348 blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
350 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
351 e->mac[0], e->mac[1], e->mac[2],
352 e->mac[3], e->mac[4], e->mac[5]);
354 blobmsg_add_string(&buf, "bssid", mac);
356 blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
358 blobmsg_add_u32(&buf, "channel", e->channel);
359 blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
361 blobmsg_add_u32(&buf, "quality", e->quality);
362 blobmsg_add_u32(&buf, "quality_max", e->quality_max);
364 rpc_iwinfo_add_encryption("encryption", &e->crypto);
366 blobmsg_close_table(&buf, d);
370 blobmsg_close_array(&buf, c);
372 ubus_send_reply(ctx, req, buf.head);
376 return UBUS_STATUS_OK;
380 rpc_iwinfo_assoclist(struct ubus_context *ctx, struct ubus_object *obj,
381 struct ubus_request_data *req, const char *method,
382 struct blob_attr *msg)
386 char res[IWINFO_BUFSIZE];
387 struct iwinfo_assoclist_entry *a;
388 struct ether_addr *macaddr = NULL;
390 struct blob_attr *tb[__RPC_A_MAX];
393 blobmsg_parse(rpc_assoclist_policy, __RPC_A_MAX, tb,
394 blob_data(msg), blob_len(msg));
396 rv = __rpc_iwinfo_open(tb[RPC_A_DEVICE]);
400 if (tb[RPC_A_MACADDR])
401 macaddr = ether_aton(blobmsg_data(tb[RPC_A_MACADDR]));
403 blob_buf_init(&buf, 0);
406 c = blobmsg_open_array(&buf, "results");
408 if (!iw->assoclist(ifname, res, &len) && (len > 0))
410 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
412 a = (struct iwinfo_assoclist_entry *)&res[i];
415 d = blobmsg_open_table(&buf, NULL);
416 else if (memcmp(macaddr, a->mac, ETH_ALEN) != 0)
419 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
420 a->mac[0], a->mac[1], a->mac[2],
421 a->mac[3], a->mac[4], a->mac[5]);
423 blobmsg_add_string(&buf, "mac", mac);
424 blobmsg_add_u32(&buf, "signal", a->signal);
425 blobmsg_add_u32(&buf, "noise", a->noise);
426 blobmsg_add_u32(&buf, "inactive", a->inactive);
428 e = blobmsg_open_table(&buf, "rx");
429 blobmsg_add_u32(&buf, "rate", a->rx_rate.rate);
430 blobmsg_add_u32(&buf, "mcs", a->rx_rate.mcs);
431 blobmsg_add_u8(&buf, "40mhz", a->rx_rate.is_40mhz);
432 blobmsg_add_u8(&buf, "short_gi", a->rx_rate.is_short_gi);
433 blobmsg_close_table(&buf, e);
435 e = blobmsg_open_table(&buf, "tx");
436 blobmsg_add_u32(&buf, "rate", a->tx_rate.rate);
437 blobmsg_add_u32(&buf, "mcs", a->tx_rate.mcs);
438 blobmsg_add_u8(&buf, "40mhz", a->tx_rate.is_40mhz);
439 blobmsg_add_u8(&buf, "short_gi", a->tx_rate.is_short_gi);
440 blobmsg_close_table(&buf, e);
444 blobmsg_close_table(&buf, d);
451 blobmsg_close_array(&buf, c);
453 return UBUS_STATUS_NOT_FOUND;
455 ubus_send_reply(ctx, req, buf.head);
459 return UBUS_STATUS_OK;
463 rpc_iwinfo_freqlist(struct ubus_context *ctx, struct ubus_object *obj,
464 struct ubus_request_data *req, const char *method,
465 struct blob_attr *msg)
468 char res[IWINFO_BUFSIZE];
469 struct iwinfo_freqlist_entry *f;
472 rv = rpc_iwinfo_open(msg);
477 blob_buf_init(&buf, 0);
479 c = blobmsg_open_array(&buf, "results");
481 if (!iw->freqlist(ifname, res, &len) && (len > 0))
483 if (iw->channel(ifname, &ch))
486 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
488 f = (struct iwinfo_freqlist_entry *)&res[i];
489 d = blobmsg_open_table(&buf, NULL);
491 blobmsg_add_u32(&buf, "channel", f->channel);
492 blobmsg_add_u32(&buf, "mhz", f->mhz);
493 blobmsg_add_u8(&buf, "restricted", f->restricted);
496 blobmsg_add_u8(&buf, "active", f->channel == ch);
498 blobmsg_close_table(&buf, d);
502 blobmsg_close_array(&buf, c);
504 ubus_send_reply(ctx, req, buf.head);
508 return UBUS_STATUS_OK;
512 rpc_iwinfo_txpowerlist(struct ubus_context *ctx, struct ubus_object *obj,
513 struct ubus_request_data *req, const char *method,
514 struct blob_attr *msg)
516 int i, rv, len, pwr, off;
517 char res[IWINFO_BUFSIZE];
518 struct iwinfo_txpwrlist_entry *t;
521 rv = rpc_iwinfo_open(msg);
526 blob_buf_init(&buf, 0);
528 c = blobmsg_open_array(&buf, "results");
530 if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
532 if (iw->txpower(ifname, &pwr))
535 if (iw->txpower_offset(ifname, &off))
538 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
540 t = (struct iwinfo_txpwrlist_entry *)&res[i];
541 d = blobmsg_open_table(&buf, NULL);
543 blobmsg_add_u32(&buf, "dbm", t->dbm + off);
544 blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
547 blobmsg_add_u8(&buf, "active", t->dbm == pwr);
549 blobmsg_close_table(&buf, d);
553 blobmsg_close_array(&buf, c);
555 ubus_send_reply(ctx, req, buf.head);
559 return UBUS_STATUS_OK;
563 rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
566 static char ccode[5];
567 struct iwinfo_country_entry *c;
569 for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
571 c = (struct iwinfo_country_entry *)&buf[i];
573 if (c->iso3166 == iso3166)
575 snprintf(ccode, sizeof(ccode), "%s", c->ccode);
584 rpc_iwinfo_countrylist(struct ubus_context *ctx, struct ubus_object *obj,
585 struct ubus_request_data *req, const char *method,
586 struct blob_attr *msg)
591 char res[IWINFO_BUFSIZE];
593 const struct iwinfo_iso3166_label *l;
596 rv = rpc_iwinfo_open(msg);
601 blob_buf_init(&buf, 0);
603 c = blobmsg_open_array(&buf, "results");
605 if (!iw->countrylist(ifname, res, &len) && (len > 0))
607 if (iw->country(ifname, cur))
608 memset(cur, 0, sizeof(cur));
610 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
612 ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
617 d = blobmsg_open_table(&buf, NULL);
619 blobmsg_add_string(&buf, "code", ccode);
620 blobmsg_add_string(&buf, "country", (const char *)l->name);
622 snprintf(iso3166, sizeof(iso3166), "%c%c",
623 (l->iso3166 / 256), (l->iso3166 % 256));
625 blobmsg_add_string(&buf, "iso3166", iso3166);
628 blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
630 blobmsg_close_table(&buf, d);
634 blobmsg_close_array(&buf, c);
636 ubus_send_reply(ctx, req, buf.head);
640 return UBUS_STATUS_OK;
644 rpc_iwinfo_phyname(struct ubus_context *ctx, struct ubus_object *obj,
645 struct ubus_request_data *req, const char *method,
646 struct blob_attr *msg)
650 char res[IWINFO_BUFSIZE];
651 const struct iwinfo_ops *ops;
652 struct blob_attr *tb[__RPC_U_MAX];
653 const char *backends[] = {
659 blobmsg_parse(rpc_uci_policy, __RPC_U_MAX, tb,
660 blob_data(msg), blob_len(msg));
662 if (!tb[RPC_U_SECTION])
663 return UBUS_STATUS_INVALID_ARGUMENT;
665 for (i = 0; i < ARRAY_SIZE(backends); i++)
667 ops = iwinfo_backend_by_name(backends[i]);
669 if (!ops || !ops->lookup_phy)
672 if (!ops->lookup_phy(blobmsg_get_string(tb[RPC_U_SECTION]), res))
681 blob_buf_init(&buf, 0);
682 blobmsg_add_string(&buf, "phyname", res);
684 ubus_send_reply(ctx, req, buf.head);
689 return found ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
693 rpc_iwinfo_devices(struct ubus_context *ctx, struct ubus_object *obj,
694 struct ubus_request_data *req, const char *method,
695 struct blob_attr *msg)
701 d = opendir("/sys/class/net");
704 return UBUS_STATUS_UNKNOWN_ERROR;
706 blob_buf_init(&buf, 0);
708 c = blobmsg_open_array(&buf, "devices");
710 while ((e = readdir(d)) != NULL)
712 if (e->d_type != DT_LNK)
715 if (iwinfo_type(e->d_name))
716 blobmsg_add_string(&buf, NULL, e->d_name);
719 blobmsg_close_array(&buf, c);
723 ubus_send_reply(ctx, req, buf.head);
727 return UBUS_STATUS_OK;
732 rpc_iwinfo_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
734 static const struct ubus_method iwinfo_methods[] = {
735 UBUS_METHOD_NOARG("devices", rpc_iwinfo_devices),
736 UBUS_METHOD("info", rpc_iwinfo_info, rpc_device_policy),
737 UBUS_METHOD("scan", rpc_iwinfo_scan, rpc_device_policy),
738 UBUS_METHOD("assoclist", rpc_iwinfo_assoclist, rpc_assoclist_policy),
739 UBUS_METHOD("freqlist", rpc_iwinfo_freqlist, rpc_device_policy),
740 UBUS_METHOD("txpowerlist", rpc_iwinfo_txpowerlist, rpc_device_policy),
741 UBUS_METHOD("countrylist", rpc_iwinfo_countrylist, rpc_device_policy),
742 UBUS_METHOD("phyname", rpc_iwinfo_phyname, rpc_uci_policy),
745 static struct ubus_object_type iwinfo_type =
746 UBUS_OBJECT_TYPE("luci-rpc-iwinfo", iwinfo_methods);
748 static struct ubus_object obj = {
750 .type = &iwinfo_type,
751 .methods = iwinfo_methods,
752 .n_methods = ARRAY_SIZE(iwinfo_methods),
755 return ubus_add_object(ctx, &obj);
758 struct rpc_plugin rpc_plugin = {
759 .init = rpc_iwinfo_api_init