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_htmodes(const char *name)
235 if (!iw->htmodelist(ifname, &modes))
237 c = blobmsg_open_array(&buf, name);
239 if (modes & IWINFO_HTMODE_HT20)
240 blobmsg_add_string(&buf, NULL, "HT20");
242 if (modes & IWINFO_HTMODE_HT40)
243 blobmsg_add_string(&buf, NULL, "HT40");
245 if (modes & IWINFO_HTMODE_VHT20)
246 blobmsg_add_string(&buf, NULL, "VHT20");
248 if (modes & IWINFO_HTMODE_VHT40)
249 blobmsg_add_string(&buf, NULL, "VHT40");
251 if (modes & IWINFO_HTMODE_VHT80)
252 blobmsg_add_string(&buf, NULL, "VHT80");
254 if (modes & IWINFO_HTMODE_VHT80_80)
255 blobmsg_add_string(&buf, NULL, "VHT80+80");
257 if (modes & IWINFO_HTMODE_VHT160)
258 blobmsg_add_string(&buf, NULL, "VHT160");
260 blobmsg_close_array(&buf, c);
265 rpc_iwinfo_call_hwmodes(const char *name)
270 if (!iw->hwmodelist(ifname, &modes))
272 c = blobmsg_open_array(&buf, name);
274 if (modes & IWINFO_80211_AC)
275 blobmsg_add_string(&buf, NULL, "ac");
277 if (modes & IWINFO_80211_A)
278 blobmsg_add_string(&buf, NULL, "a");
280 if (modes & IWINFO_80211_B)
281 blobmsg_add_string(&buf, NULL, "b");
283 if (modes & IWINFO_80211_G)
284 blobmsg_add_string(&buf, NULL, "g");
286 if (modes & IWINFO_80211_N)
287 blobmsg_add_string(&buf, NULL, "n");
289 blobmsg_close_array(&buf, c);
294 rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
296 char rv[IWINFO_BUFSIZE] = { 0 };
298 if (!func(ifname, rv))
299 blobmsg_add_string(&buf, name, rv);
303 rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
304 struct ubus_request_data *req, const char *method,
305 struct blob_attr *msg)
310 rv = rpc_iwinfo_open(msg);
315 blob_buf_init(&buf, 0);
317 rpc_iwinfo_call_str("phy", iw->phyname);
319 rpc_iwinfo_call_str("ssid", iw->ssid);
320 rpc_iwinfo_call_str("bssid", iw->bssid);
321 rpc_iwinfo_call_str("country", iw->country);
323 rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
324 rpc_iwinfo_call_int("channel", iw->channel, NULL);
326 rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
327 rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
329 rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
330 rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
332 rpc_iwinfo_call_int("quality", iw->quality, NULL);
333 rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
335 rpc_iwinfo_call_int("signal", iw->signal, NULL);
336 rpc_iwinfo_call_int("noise", iw->noise, NULL);
338 rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
340 rpc_iwinfo_call_encryption("encryption");
341 rpc_iwinfo_call_htmodes("htmodes");
342 rpc_iwinfo_call_hwmodes("hwmodes");
344 c = blobmsg_open_table(&buf, "hardware");
345 rpc_iwinfo_call_hardware_id("id");
346 rpc_iwinfo_call_str("name", iw->hardware_name);
347 blobmsg_close_table(&buf, c);
349 ubus_send_reply(ctx, req, buf.head);
353 return UBUS_STATUS_OK;
357 rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
358 struct ubus_request_data *req, const char *method,
359 struct blob_attr *msg)
364 char res[IWINFO_BUFSIZE];
365 struct iwinfo_scanlist_entry *e;
367 rv = rpc_iwinfo_open(msg);
372 blob_buf_init(&buf, 0);
374 c = blobmsg_open_array(&buf, "results");
376 if (!iw->scanlist(ifname, res, &len) && (len > 0))
378 for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
380 e = (struct iwinfo_scanlist_entry *)&res[i];
381 d = blobmsg_open_table(&buf, NULL);
384 blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
386 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
387 e->mac[0], e->mac[1], e->mac[2],
388 e->mac[3], e->mac[4], e->mac[5]);
390 blobmsg_add_string(&buf, "bssid", mac);
392 blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
394 blobmsg_add_u32(&buf, "channel", e->channel);
395 blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
397 blobmsg_add_u32(&buf, "quality", e->quality);
398 blobmsg_add_u32(&buf, "quality_max", e->quality_max);
400 rpc_iwinfo_add_encryption("encryption", &e->crypto);
402 blobmsg_close_table(&buf, d);
406 blobmsg_close_array(&buf, c);
408 ubus_send_reply(ctx, req, buf.head);
412 return UBUS_STATUS_OK;
416 rpc_iwinfo_assoclist(struct ubus_context *ctx, struct ubus_object *obj,
417 struct ubus_request_data *req, const char *method,
418 struct blob_attr *msg)
422 char res[IWINFO_BUFSIZE];
423 struct iwinfo_assoclist_entry *a;
424 struct ether_addr *macaddr = NULL;
426 struct blob_attr *tb[__RPC_A_MAX];
429 blobmsg_parse(rpc_assoclist_policy, __RPC_A_MAX, tb,
430 blob_data(msg), blob_len(msg));
432 rv = __rpc_iwinfo_open(tb[RPC_A_DEVICE]);
436 if (tb[RPC_A_MACADDR])
437 macaddr = ether_aton(blobmsg_data(tb[RPC_A_MACADDR]));
439 blob_buf_init(&buf, 0);
442 c = blobmsg_open_array(&buf, "results");
444 if (!iw->assoclist(ifname, res, &len) && (len > 0))
446 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
448 a = (struct iwinfo_assoclist_entry *)&res[i];
451 d = blobmsg_open_table(&buf, NULL);
452 else if (memcmp(macaddr, a->mac, ETH_ALEN) != 0)
455 snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
456 a->mac[0], a->mac[1], a->mac[2],
457 a->mac[3], a->mac[4], a->mac[5]);
459 blobmsg_add_string(&buf, "mac", mac);
460 blobmsg_add_u32(&buf, "signal", a->signal);
461 blobmsg_add_u32(&buf, "noise", a->noise);
462 blobmsg_add_u32(&buf, "inactive", a->inactive);
464 e = blobmsg_open_table(&buf, "rx");
465 blobmsg_add_u32(&buf, "rate", a->rx_rate.rate);
466 blobmsg_add_u32(&buf, "mcs", a->rx_rate.mcs);
467 blobmsg_add_u8(&buf, "40mhz", a->rx_rate.is_40mhz);
468 blobmsg_add_u8(&buf, "short_gi", a->rx_rate.is_short_gi);
469 blobmsg_close_table(&buf, e);
471 e = blobmsg_open_table(&buf, "tx");
472 blobmsg_add_u32(&buf, "rate", a->tx_rate.rate);
473 blobmsg_add_u32(&buf, "mcs", a->tx_rate.mcs);
474 blobmsg_add_u8(&buf, "40mhz", a->tx_rate.is_40mhz);
475 blobmsg_add_u8(&buf, "short_gi", a->tx_rate.is_short_gi);
476 blobmsg_close_table(&buf, e);
480 blobmsg_close_table(&buf, d);
487 blobmsg_close_array(&buf, c);
489 return UBUS_STATUS_NOT_FOUND;
491 ubus_send_reply(ctx, req, buf.head);
495 return UBUS_STATUS_OK;
499 rpc_iwinfo_freqlist(struct ubus_context *ctx, struct ubus_object *obj,
500 struct ubus_request_data *req, const char *method,
501 struct blob_attr *msg)
504 char res[IWINFO_BUFSIZE];
505 struct iwinfo_freqlist_entry *f;
508 rv = rpc_iwinfo_open(msg);
513 blob_buf_init(&buf, 0);
515 c = blobmsg_open_array(&buf, "results");
517 if (!iw->freqlist(ifname, res, &len) && (len > 0))
519 if (iw->channel(ifname, &ch))
522 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
524 f = (struct iwinfo_freqlist_entry *)&res[i];
525 d = blobmsg_open_table(&buf, NULL);
527 blobmsg_add_u32(&buf, "channel", f->channel);
528 blobmsg_add_u32(&buf, "mhz", f->mhz);
529 blobmsg_add_u8(&buf, "restricted", f->restricted);
532 blobmsg_add_u8(&buf, "active", f->channel == ch);
534 blobmsg_close_table(&buf, d);
538 blobmsg_close_array(&buf, c);
540 ubus_send_reply(ctx, req, buf.head);
544 return UBUS_STATUS_OK;
548 rpc_iwinfo_txpowerlist(struct ubus_context *ctx, struct ubus_object *obj,
549 struct ubus_request_data *req, const char *method,
550 struct blob_attr *msg)
552 int i, rv, len, pwr, off;
553 char res[IWINFO_BUFSIZE];
554 struct iwinfo_txpwrlist_entry *t;
557 rv = rpc_iwinfo_open(msg);
562 blob_buf_init(&buf, 0);
564 c = blobmsg_open_array(&buf, "results");
566 if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
568 if (iw->txpower(ifname, &pwr))
571 if (iw->txpower_offset(ifname, &off))
574 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
576 t = (struct iwinfo_txpwrlist_entry *)&res[i];
577 d = blobmsg_open_table(&buf, NULL);
579 blobmsg_add_u32(&buf, "dbm", t->dbm + off);
580 blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
583 blobmsg_add_u8(&buf, "active", t->dbm == pwr);
585 blobmsg_close_table(&buf, d);
589 blobmsg_close_array(&buf, c);
591 ubus_send_reply(ctx, req, buf.head);
595 return UBUS_STATUS_OK;
599 rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
602 static char ccode[5];
603 struct iwinfo_country_entry *c;
605 for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
607 c = (struct iwinfo_country_entry *)&buf[i];
609 if (c->iso3166 == iso3166)
611 snprintf(ccode, sizeof(ccode), "%s", c->ccode);
620 rpc_iwinfo_countrylist(struct ubus_context *ctx, struct ubus_object *obj,
621 struct ubus_request_data *req, const char *method,
622 struct blob_attr *msg)
627 char res[IWINFO_BUFSIZE] = {0};
629 const struct iwinfo_iso3166_label *l;
632 rv = rpc_iwinfo_open(msg);
637 blob_buf_init(&buf, 0);
639 c = blobmsg_open_array(&buf, "results");
641 if (!iw->countrylist(ifname, res, &len) && (len > 0))
643 if (iw->country(ifname, cur))
644 memset(cur, 0, sizeof(cur));
646 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
648 ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
653 d = blobmsg_open_table(&buf, NULL);
655 blobmsg_add_string(&buf, "code", ccode);
656 blobmsg_add_string(&buf, "country", (const char *)l->name);
658 snprintf(iso3166, sizeof(iso3166), "%c%c",
659 (l->iso3166 / 256), (l->iso3166 % 256));
661 blobmsg_add_string(&buf, "iso3166", iso3166);
664 blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
666 blobmsg_close_table(&buf, d);
670 blobmsg_close_array(&buf, c);
672 ubus_send_reply(ctx, req, buf.head);
676 return UBUS_STATUS_OK;
680 rpc_iwinfo_phyname(struct ubus_context *ctx, struct ubus_object *obj,
681 struct ubus_request_data *req, const char *method,
682 struct blob_attr *msg)
686 char res[IWINFO_BUFSIZE];
687 const struct iwinfo_ops *ops;
688 struct blob_attr *tb[__RPC_U_MAX];
689 const char *backends[] = {
695 blobmsg_parse(rpc_uci_policy, __RPC_U_MAX, tb,
696 blob_data(msg), blob_len(msg));
698 if (!tb[RPC_U_SECTION])
699 return UBUS_STATUS_INVALID_ARGUMENT;
701 for (i = 0; i < ARRAY_SIZE(backends); i++)
703 ops = iwinfo_backend_by_name(backends[i]);
705 if (!ops || !ops->lookup_phy)
708 if (!ops->lookup_phy(blobmsg_get_string(tb[RPC_U_SECTION]), res))
717 blob_buf_init(&buf, 0);
718 blobmsg_add_string(&buf, "phyname", res);
720 ubus_send_reply(ctx, req, buf.head);
725 return found ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
729 rpc_iwinfo_devices(struct ubus_context *ctx, struct ubus_object *obj,
730 struct ubus_request_data *req, const char *method,
731 struct blob_attr *msg)
737 d = opendir("/sys/class/net");
740 return UBUS_STATUS_UNKNOWN_ERROR;
742 blob_buf_init(&buf, 0);
744 c = blobmsg_open_array(&buf, "devices");
746 while ((e = readdir(d)) != NULL)
748 if (e->d_type != DT_LNK)
751 if (iwinfo_type(e->d_name))
752 blobmsg_add_string(&buf, NULL, e->d_name);
755 blobmsg_close_array(&buf, c);
759 ubus_send_reply(ctx, req, buf.head);
763 return UBUS_STATUS_OK;
768 rpc_iwinfo_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
770 static const struct ubus_method iwinfo_methods[] = {
771 UBUS_METHOD_NOARG("devices", rpc_iwinfo_devices),
772 UBUS_METHOD("info", rpc_iwinfo_info, rpc_device_policy),
773 UBUS_METHOD("scan", rpc_iwinfo_scan, rpc_device_policy),
774 UBUS_METHOD("assoclist", rpc_iwinfo_assoclist, rpc_assoclist_policy),
775 UBUS_METHOD("freqlist", rpc_iwinfo_freqlist, rpc_device_policy),
776 UBUS_METHOD("txpowerlist", rpc_iwinfo_txpowerlist, rpc_device_policy),
777 UBUS_METHOD("countrylist", rpc_iwinfo_countrylist, rpc_device_policy),
778 UBUS_METHOD("phyname", rpc_iwinfo_phyname, rpc_uci_policy),
781 static struct ubus_object_type iwinfo_type =
782 UBUS_OBJECT_TYPE("luci-rpc-iwinfo", iwinfo_methods);
784 static struct ubus_object obj = {
786 .type = &iwinfo_type,
787 .methods = iwinfo_methods,
788 .n_methods = ARRAY_SIZE(iwinfo_methods),
791 return ubus_add_object(ctx, &obj);
794 struct rpc_plugin rpc_plugin = {
795 .init = rpc_iwinfo_api_init