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;
 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                         if (e->wpa_version > 2)
 160                         {
 161                                 blobmsg_add_u32(&buf, NULL, 1);
 162                                 blobmsg_add_u32(&buf, NULL, 2);
 163                         }
 164                         else
 165                         {
 166                                 blobmsg_add_u32(&buf, NULL, e->wpa_version);
 167                         }
 168
 169                         blobmsg_close_array(&buf, d);
 170
 171
 172                         d = blobmsg_open_array(&buf, "authentication");
 173
 174                         if (e->auth_suites & IWINFO_KMGMT_PSK)
 175                                 blobmsg_add_string(&buf, NULL, "psk");
 176
 177                         if (e->auth_suites & IWINFO_KMGMT_8021x)
 178                                 blobmsg_add_string(&buf, NULL, "802.1x");
 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
 294 rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
 295 {
 296         char rv[IWINFO_BUFSIZE] = { 0 };
 297
 298         if (!func(ifname, rv))
 299                 blobmsg_add_string(&buf, name, rv);
 300 }
 301
 302 static int
 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)
 306 {
 307         int rv;
 308         void *c;
 309
 310         rv = rpc_iwinfo_open(msg);
 311
 312         if (rv)
 313                 return rv;
 314
 315         blob_buf_init(&buf, 0);
 316
 317         rpc_iwinfo_call_str("phy", iw->phyname);
 318
 319         rpc_iwinfo_call_str("ssid", iw->ssid);
 320         rpc_iwinfo_call_str("bssid", iw->bssid);
 321         rpc_iwinfo_call_str("country", iw->country);
 322
 323         rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
 324         rpc_iwinfo_call_int("channel", iw->channel, NULL);
 325
 326         rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
 327         rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
 328
 329         rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
 330         rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
 331
 332         rpc_iwinfo_call_int("quality", iw->quality, NULL);
 333         rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
 334
 335         rpc_iwinfo_call_int("signal", iw->signal, NULL);
 336         rpc_iwinfo_call_int("noise", iw->noise, NULL);
 337
 338         rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
 339
 340         rpc_iwinfo_call_encryption("encryption");
 341         rpc_iwinfo_call_htmodes("htmodes");
 342         rpc_iwinfo_call_hwmodes("hwmodes");
 343
 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);
 348
 349         ubus_send_reply(ctx, req, buf.head);
 350
 351         rpc_iwinfo_close();
 352
 353         return UBUS_STATUS_OK;
 354 }
 355
 356 static int
 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)
 360 {
 361         int i, rv, len;
 362         void *c, *d;
 363         char mac[18];
 364         char res[IWINFO_BUFSIZE];
 365         struct iwinfo_scanlist_entry *e;
 366
 367         rv = rpc_iwinfo_open(msg);
 368
 369         if (rv)
 370                 return rv;
 371
 372         blob_buf_init(&buf, 0);
 373
 374         c = blobmsg_open_array(&buf, "results");
 375
 376         if (!iw->scanlist(ifname, res, &len) && (len > 0))
 377         {
 378                 for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
 379                 {
 380                         e = (struct iwinfo_scanlist_entry *)&res[i];
 381                         d = blobmsg_open_table(&buf, NULL);
 382
 383                         if (e->ssid[0])
 384                                 blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
 385
 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]);
 389
 390                         blobmsg_add_string(&buf, "bssid", mac);
 391
 392                         blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
 393
 394                         blobmsg_add_u32(&buf, "channel", e->channel);
 395                         blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
 396
 397                         blobmsg_add_u32(&buf, "quality", e->quality);
 398                         blobmsg_add_u32(&buf, "quality_max", e->quality_max);
 399
 400                         rpc_iwinfo_add_encryption("encryption", &e->crypto);
 401
 402                         blobmsg_close_table(&buf, d);
 403                 }
 404         }
 405
 406         blobmsg_close_array(&buf, c);
 407
 408         ubus_send_reply(ctx, req, buf.head);
 409
 410         rpc_iwinfo_close();
 411
 412         return UBUS_STATUS_OK;
 413 }
 414
 415 static int
 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)
 419 {
 420         int i, rv, len;
 421         char mac[18];
 422         char res[IWINFO_BUFSIZE];
 423         struct iwinfo_assoclist_entry *a;
 424         struct ether_addr *macaddr = NULL;
 425         void *c, *d, *e;
 426         struct blob_attr *tb[__RPC_A_MAX];
 427         bool found = false;
 428
 429         blobmsg_parse(rpc_assoclist_policy, __RPC_A_MAX, tb,
 430                       blob_data(msg), blob_len(msg));
 431
 432         rv = __rpc_iwinfo_open(tb[RPC_A_DEVICE]);
 433         if (rv)
 434                 return rv;
 435
 436         if (tb[RPC_A_MACADDR])
 437                 macaddr = ether_aton(blobmsg_data(tb[RPC_A_MACADDR]));
 438
 439         blob_buf_init(&buf, 0);
 440
 441         if (!macaddr)
 442                 c = blobmsg_open_array(&buf, "results");
 443
 444         if (!iw->assoclist(ifname, res, &len) && (len > 0))
 445         {
 446                 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 447                 {
 448                         a = (struct iwinfo_assoclist_entry *)&res[i];
 449
 450                         if (!macaddr)
 451                                 d = blobmsg_open_table(&buf, NULL);
 452                         else if (memcmp(macaddr, a->mac, ETH_ALEN) != 0)
 453                                 continue;
 454
 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]);
 458
 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);
 463
 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);
 470
 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);
 477
 478                         found = true;
 479                         if (!macaddr)
 480                                 blobmsg_close_table(&buf, d);
 481                         else
 482                                 break;
 483                 }
 484         }
 485
 486         if (!macaddr)
 487                 blobmsg_close_array(&buf, c);
 488         else if (!found)
 489                 return UBUS_STATUS_NOT_FOUND;
 490
 491         ubus_send_reply(ctx, req, buf.head);
 492
 493         rpc_iwinfo_close();
 494
 495         return UBUS_STATUS_OK;
 496 }
 497
 498 static int
 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)
 502 {
 503         int i, rv, len, ch;
 504         char res[IWINFO_BUFSIZE];
 505         struct iwinfo_freqlist_entry *f;
 506         void *c, *d;
 507
 508         rv = rpc_iwinfo_open(msg);
 509
 510         if (rv)
 511                 return rv;
 512
 513         blob_buf_init(&buf, 0);
 514
 515         c = blobmsg_open_array(&buf, "results");
 516
 517         if (!iw->freqlist(ifname, res, &len) && (len > 0))
 518         {
 519                 if (iw->channel(ifname, &ch))
 520                         ch = -1;
 521
 522                 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 523                 {
 524                         f = (struct iwinfo_freqlist_entry *)&res[i];
 525                         d = blobmsg_open_table(&buf, NULL);
 526
 527                         blobmsg_add_u32(&buf, "channel", f->channel);
 528                         blobmsg_add_u32(&buf, "mhz", f->mhz);
 529                         blobmsg_add_u8(&buf, "restricted", f->restricted);
 530
 531                         if (ch > -1)
 532                                 blobmsg_add_u8(&buf, "active", f->channel == ch);
 533
 534                         blobmsg_close_table(&buf, d);
 535                 }
 536         }
 537
 538         blobmsg_close_array(&buf, c);
 539
 540         ubus_send_reply(ctx, req, buf.head);
 541
 542         rpc_iwinfo_close();
 543
 544         return UBUS_STATUS_OK;
 545 }
 546
 547 static int
 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)
 551 {
 552         int i, rv, len, pwr, off;
 553         char res[IWINFO_BUFSIZE];
 554         struct iwinfo_txpwrlist_entry *t;
 555         void *c, *d;
 556
 557         rv = rpc_iwinfo_open(msg);
 558
 559         if (rv)
 560                 return rv;
 561
 562         blob_buf_init(&buf, 0);
 563
 564         c = blobmsg_open_array(&buf, "results");
 565
 566         if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
 567         {
 568                 if (iw->txpower(ifname, &pwr))
 569                         pwr = -1;
 570
 571                 if (iw->txpower_offset(ifname, &off))
 572                         off = 0;
 573
 574                 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 575                 {
 576                         t = (struct iwinfo_txpwrlist_entry *)&res[i];
 577                         d = blobmsg_open_table(&buf, NULL);
 578
 579                         blobmsg_add_u32(&buf, "dbm", t->dbm + off);
 580                         blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
 581
 582                         if (pwr > -1)
 583                                 blobmsg_add_u8(&buf, "active", t->dbm == pwr);
 584
 585                         blobmsg_close_table(&buf, d);
 586                 }
 587         }
 588
 589         blobmsg_close_array(&buf, c);
 590
 591         ubus_send_reply(ctx, req, buf.head);
 592
 593         rpc_iwinfo_close();
 594
 595         return UBUS_STATUS_OK;
 596 }
 597
 598 static const char *
 599 rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
 600 {
 601         int i;
 602         static char ccode[5];
 603         struct iwinfo_country_entry *c;
 604
 605         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 606         {
 607                 c = (struct iwinfo_country_entry *)&buf[i];
 608
 609                 if (c->iso3166 == iso3166)
 610                 {
 611                         snprintf(ccode, sizeof(ccode), "%s", c->ccode);
 612                         return ccode;
 613                 }
 614         }
 615
 616         return NULL;
 617 }
 618
 619 static int
 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)
 623 {
 624         int rv, len;
 625         char cur[3];
 626         char iso3166[3];
 627         char res[IWINFO_BUFSIZE] = {0};
 628         const char *ccode;
 629         const struct iwinfo_iso3166_label *l;
 630         void *c, *d;
 631
 632         rv = rpc_iwinfo_open(msg);
 633
 634         if (rv)
 635                 return rv;
 636
 637         blob_buf_init(&buf, 0);
 638
 639         c = blobmsg_open_array(&buf, "results");
 640
 641         if (!iw->countrylist(ifname, res, &len) && (len > 0))
 642         {
 643                 if (iw->country(ifname, cur))
 644                         memset(cur, 0, sizeof(cur));
 645
 646                 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 647                 {
 648                         ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
 649
 650                         if (!ccode)
 651                                 continue;
 652
 653                         d = blobmsg_open_table(&buf, NULL);
 654
 655                         blobmsg_add_string(&buf, "code", ccode);
 656                         blobmsg_add_string(&buf, "country", (const char *)l->name);
 657
 658                         snprintf(iso3166, sizeof(iso3166), "%c%c",
 659                                  (l->iso3166 / 256), (l->iso3166 % 256));
 660
 661                         blobmsg_add_string(&buf, "iso3166", iso3166);
 662
 663                         if (cur[0])
 664                                 blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
 665
 666                         blobmsg_close_table(&buf, d);
 667                 }
 668         }
 669
 670         blobmsg_close_array(&buf, c);
 671
 672         ubus_send_reply(ctx, req, buf.head);
 673
 674         rpc_iwinfo_close();
 675
 676         return UBUS_STATUS_OK;
 677 }
 678
 679 static int
 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)
 683 {
 684         int i;
 685         bool found = false;
 686         char res[IWINFO_BUFSIZE];
 687         const struct iwinfo_ops *ops;
 688         struct blob_attr *tb[__RPC_U_MAX];
 689         const char *backends[] = {
 690                 "nl80211",
 691                 "madwifi",
 692                 "wl"
 693         };
 694
 695         blobmsg_parse(rpc_uci_policy, __RPC_U_MAX, tb,
 696                       blob_data(msg), blob_len(msg));
 697
 698         if (!tb[RPC_U_SECTION])
 699                 return UBUS_STATUS_INVALID_ARGUMENT;
 700
 701         for (i = 0; i < ARRAY_SIZE(backends); i++)
 702         {
 703                 ops = iwinfo_backend_by_name(backends[i]);
 704
 705                 if (!ops || !ops->lookup_phy)
 706                         continue;
 707
 708                 if (!ops->lookup_phy(blobmsg_get_string(tb[RPC_U_SECTION]), res))
 709                 {
 710                         found = true;
 711                         break;
 712                 }
 713         }
 714
 715         if (found)
 716         {
 717                 blob_buf_init(&buf, 0);
 718                 blobmsg_add_string(&buf, "phyname", res);
 719
 720                 ubus_send_reply(ctx, req, buf.head);
 721         }
 722
 723         rpc_iwinfo_close();
 724
 725         return found ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
 726 }
 727
 728 static int
 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)
 732 {
 733         void *c;
 734         struct dirent *e;
 735         DIR *d;
 736
 737         d = opendir("/sys/class/net");
 738
 739         if (!d)
 740                 return UBUS_STATUS_UNKNOWN_ERROR;
 741
 742         blob_buf_init(&buf, 0);
 743
 744         c = blobmsg_open_array(&buf, "devices");
 745
 746         while ((e = readdir(d)) != NULL)
 747         {
 748                 if (e->d_type != DT_LNK)
 749                         continue;
 750
 751                 if (iwinfo_type(e->d_name))
 752                         blobmsg_add_string(&buf, NULL, e->d_name);
 753         }
 754
 755         blobmsg_close_array(&buf, c);
 756
 757         closedir(d);
 758
 759         ubus_send_reply(ctx, req, buf.head);
 760
 761         rpc_iwinfo_close();
 762
 763         return UBUS_STATUS_OK;
 764 }
 765
 766
 767 static int
 768 rpc_iwinfo_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
 769 {
 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),
 779         };
 780
 781         static struct ubus_object_type iwinfo_type =
 782                 UBUS_OBJECT_TYPE("luci-rpc-iwinfo", iwinfo_methods);
 783
 784         static struct ubus_object obj = {
 785                 .name = "iwinfo",
 786                 .type = &iwinfo_type,
 787                 .methods = iwinfo_methods,
 788                 .n_methods = ARRAY_SIZE(iwinfo_methods),
 789         };
 790
 791         return ubus_add_object(ctx, &obj);
 792 }
 793
 794 struct rpc_plugin rpc_plugin = {
 795         .init = rpc_iwinfo_api_init
 796 };