iwinfo_cli.c

   1 /*
   2  * iwinfo - Wireless Information Library - Command line frontend
   3  *
   4  *   Copyright (C) 2011 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The iwinfo library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The iwinfo library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
  17  */
  18
  19 #include <stdio.h>
  20 #include <glob.h>
  21
  22 #include "iwinfo.h"
  23
  24
  25 static char * format_bssid(unsigned char *mac)
  26 {
  27         static char buf[18];
  28
  29         snprintf(buf, sizeof(buf), "%02X:%02X:%02X:%02X:%02X:%02X",
  30                 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  31
  32         return buf;
  33 }
  34
  35 static char * format_ssid(char *ssid)
  36 {
  37         static char buf[IWINFO_ESSID_MAX_SIZE+3];
  38
  39         if (ssid && ssid[0])
  40                 snprintf(buf, sizeof(buf), "\"%s\"", ssid);
  41         else
  42                 snprintf(buf, sizeof(buf), "unknown");
  43
  44         return buf;
  45 }
  46
  47 static char * format_channel(int ch)
  48 {
  49         static char buf[8];
  50
  51         if (ch <= 0)
  52                 snprintf(buf, sizeof(buf), "unknown");
  53         else
  54                 snprintf(buf, sizeof(buf), "%d", ch);
  55
  56         return buf;
  57 }
  58
  59 static char * format_frequency(int freq)
  60 {
  61         static char buf[10];
  62
  63         if (freq <= 0)
  64                 snprintf(buf, sizeof(buf), "unknown");
  65         else
  66                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)freq / 1000.0));
  67
  68         return buf;
  69 }
  70
  71 static char * format_txpower(int pwr)
  72 {
  73         static char buf[10];
  74
  75         if (pwr < 0)
  76                 snprintf(buf, sizeof(buf), "unknown");
  77         else
  78                 snprintf(buf, sizeof(buf), "%d dBm", pwr);
  79
  80         return buf;
  81 }
  82
  83 static char * format_quality(int qual)
  84 {
  85         static char buf[8];
  86
  87         if (qual < 0)
  88                 snprintf(buf, sizeof(buf), "unknown");
  89         else
  90                 snprintf(buf, sizeof(buf), "%d", qual);
  91
  92         return buf;
  93 }
  94
  95 static char * format_quality_max(int qmax)
  96 {
  97         static char buf[8];
  98
  99         if (qmax < 0)
 100                 snprintf(buf, sizeof(buf), "unknown");
 101         else
 102                 snprintf(buf, sizeof(buf), "%d", qmax);
 103
 104         return buf;
 105 }
 106
 107 static char * format_signal(int sig)
 108 {
 109         static char buf[10];
 110
 111         if (!sig)
 112                 snprintf(buf, sizeof(buf), "unknown");
 113         else
 114                 snprintf(buf, sizeof(buf), "%d dBm", sig);
 115
 116         return buf;
 117 }
 118
 119 static char * format_noise(int noise)
 120 {
 121         static char buf[10];
 122
 123         if (!noise)
 124                 snprintf(buf, sizeof(buf), "unknown");
 125         else
 126                 snprintf(buf, sizeof(buf), "%d dBm", noise);
 127
 128         return buf;
 129 }
 130
 131 static char * format_rate(int rate)
 132 {
 133         static char buf[14];
 134
 135         if (rate <= 0)
 136                 snprintf(buf, sizeof(buf), "unknown");
 137         else
 138                 snprintf(buf, sizeof(buf), "%d.%d MBit/s",
 139                         rate / 1000, (rate % 1000) / 100);
 140
 141         return buf;
 142 }
 143
 144 static char * format_enc_ciphers(int ciphers)
 145 {
 146         static char str[128] = { 0 };
 147         char *pos = str;
 148
 149         if (ciphers & IWINFO_CIPHER_WEP40)
 150                 pos += sprintf(pos, "WEP-40, ");
 151
 152         if (ciphers & IWINFO_CIPHER_WEP104)
 153                 pos += sprintf(pos, "WEP-104, ");
 154
 155         if (ciphers & IWINFO_CIPHER_TKIP)
 156                 pos += sprintf(pos, "TKIP, ");
 157
 158         if (ciphers & IWINFO_CIPHER_CCMP)
 159                 pos += sprintf(pos, "CCMP, ");
 160
 161         if (ciphers & IWINFO_CIPHER_WRAP)
 162                 pos += sprintf(pos, "WRAP, ");
 163
 164         if (ciphers & IWINFO_CIPHER_AESOCB)
 165                 pos += sprintf(pos, "AES-OCB, ");
 166
 167         if (ciphers & IWINFO_CIPHER_CKIP)
 168                 pos += sprintf(pos, "CKIP, ");
 169
 170         if (!ciphers || (ciphers & IWINFO_CIPHER_NONE))
 171                 pos += sprintf(pos, "NONE, ");
 172
 173         *(pos - 2) = 0;
 174
 175         return str;
 176 }
 177
 178 static char * format_enc_suites(int suites)
 179 {
 180         static char str[64] = { 0 };
 181         char *pos = str;
 182
 183         if (suites & IWINFO_KMGMT_PSK)
 184                 pos += sprintf(pos, "PSK/");
 185
 186         if (suites & IWINFO_KMGMT_8021x)
 187                 pos += sprintf(pos, "802.1X/");
 188
 189         if (!suites || (suites & IWINFO_KMGMT_NONE))
 190                 pos += sprintf(pos, "NONE/");
 191
 192         *(pos - 1) = 0;
 193
 194         return str;
 195 }
 196
 197 static char * format_encryption(struct iwinfo_crypto_entry *c)
 198 {
 199         static char buf[512];
 200
 201         if (!c)
 202         {
 203                 snprintf(buf, sizeof(buf), "unknown");
 204         }
 205         else if (c->enabled)
 206         {
 207                 /* WEP */
 208                 if (c->auth_algs && !c->wpa_version)
 209                 {
 210                         if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
 211                                 (c->auth_algs & IWINFO_AUTH_SHARED))
 212                         {
 213                                 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
 214                                         format_enc_ciphers(c->pair_ciphers));
 215                         }
 216                         else if (c->auth_algs & IWINFO_AUTH_OPEN)
 217                         {
 218                                 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
 219                                         format_enc_ciphers(c->pair_ciphers));
 220                         }
 221                         else if (c->auth_algs & IWINFO_AUTH_SHARED)
 222                         {
 223                                 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
 224                                         format_enc_ciphers(c->pair_ciphers));
 225                         }
 226                 }
 227
 228                 /* WPA */
 229                 else if (c->wpa_version)
 230                 {
 231                         switch (c->wpa_version) {
 232                                 case 3:
 233                                         snprintf(buf, sizeof(buf), "mixed WPA/WPA2 %s (%s)",
 234                                                 format_enc_suites(c->auth_suites),
 235                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 236                                         break;
 237
 238                                 case 2:
 239                                         snprintf(buf, sizeof(buf), "WPA2 %s (%s)",
 240                                                 format_enc_suites(c->auth_suites),
 241                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 242                                         break;
 243
 244                                 case 1:
 245                                         snprintf(buf, sizeof(buf), "WPA %s (%s)",
 246                                                 format_enc_suites(c->auth_suites),
 247                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 248                                         break;
 249                         }
 250                 }
 251                 else
 252                 {
 253                         snprintf(buf, sizeof(buf), "none");
 254                 }
 255         }
 256         else
 257         {
 258                 snprintf(buf, sizeof(buf), "none");
 259         }
 260
 261         return buf;
 262 }
 263
 264 static char * format_hwmodes(int modes)
 265 {
 266         static char buf[12];
 267
 268         if (modes <= 0)
 269                 snprintf(buf, sizeof(buf), "unknown");
 270         else
 271                 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s",
 272                         (modes & IWINFO_80211_A) ? "a" : "",
 273                         (modes & IWINFO_80211_B) ? "b" : "",
 274                         (modes & IWINFO_80211_G) ? "g" : "",
 275                         (modes & IWINFO_80211_N) ? "n" : "",
 276                         (modes & IWINFO_80211_AC) ? "ac" : "");
 277
 278         return buf;
 279 }
 280
 281 static char * format_assocrate(struct iwinfo_rate_entry *r)
 282 {
 283         static char buf[80];
 284         char *p = buf;
 285         int l = sizeof(buf);
 286
 287         if (r->rate <= 0)
 288         {
 289                 snprintf(buf, sizeof(buf), "unknown");
 290         }
 291         else
 292         {
 293                 p += snprintf(p, l, "%s", format_rate(r->rate));
 294                 l = sizeof(buf) - (p - buf);
 295
 296                 if (r->is_ht)
 297                 {
 298                         p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, r->mhz);
 299                         l = sizeof(buf) - (p - buf);
 300                 }
 301                 else if (r->is_vht)
 302                 {
 303                         p += snprintf(p, l, ", VHT-MCS %d, %dMHz", r->mcs, r->mhz);
 304                         l = sizeof(buf) - (p - buf);
 305
 306                         if (r->nss)
 307                         {
 308                                 p += snprintf(p, l, ", VHT-NSS %d", r->nss);
 309                                 l = sizeof(buf) - (p - buf);
 310                         }
 311                 }
 312         }
 313
 314         return buf;
 315 }
 316
 317
 318 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
 319 {
 320         const char *type = iwinfo_type(ifname);
 321         return type ? type : "unknown";
 322 }
 323
 324 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
 325 {
 326         static char buf[20];
 327         struct iwinfo_hardware_id ids;
 328
 329         if (!iw->hardware_id(ifname, (char *)&ids))
 330         {
 331                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
 332                         ids.vendor_id, ids.device_id,
 333                         ids.subsystem_vendor_id, ids.subsystem_device_id);
 334         }
 335         else
 336         {
 337                 snprintf(buf, sizeof(buf), "unknown");
 338         }
 339
 340         return buf;
 341 }
 342
 343 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
 344 {
 345         static char buf[128];
 346
 347         if (iw->hardware_name(ifname, buf))
 348                 snprintf(buf, sizeof(buf), "unknown");
 349
 350         return buf;
 351 }
 352
 353 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
 354 {
 355         int off;
 356         static char buf[12];
 357
 358         if (iw->txpower_offset(ifname, &off))
 359                 snprintf(buf, sizeof(buf), "unknown");
 360         else if (off != 0)
 361                 snprintf(buf, sizeof(buf), "%d dB", off);
 362         else
 363                 snprintf(buf, sizeof(buf), "none");
 364
 365         return buf;
 366 }
 367
 368 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
 369 {
 370         int off;
 371         static char buf[12];
 372
 373         if (iw->frequency_offset(ifname, &off))
 374                 snprintf(buf, sizeof(buf), "unknown");
 375         else if (off != 0)
 376                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
 377         else
 378                 snprintf(buf, sizeof(buf), "none");
 379
 380         return buf;
 381 }
 382
 383 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 384 {
 385         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
 386
 387         if (iw->ssid(ifname, buf))
 388                 memset(buf, 0, sizeof(buf));
 389
 390         return format_ssid(buf);
 391 }
 392
 393 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
 394 {
 395         static char buf[18] = { 0 };
 396
 397         if (iw->bssid(ifname, buf))
 398                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
 399
 400         return buf;
 401 }
 402
 403 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
 404 {
 405         int mode;
 406         static char buf[128];
 407
 408         if (iw->mode(ifname, &mode))
 409                 mode = IWINFO_OPMODE_UNKNOWN;
 410
 411         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
 412
 413         return buf;
 414 }
 415
 416 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
 417 {
 418         int ch;
 419         if (iw->channel(ifname, &ch))
 420                 ch = -1;
 421
 422         return format_channel(ch);
 423 }
 424
 425 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 426 {
 427         int freq;
 428         if (iw->frequency(ifname, &freq))
 429                 freq = -1;
 430
 431         return format_frequency(freq);
 432 }
 433
 434 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 435 {
 436         int pwr, off;
 437         if (iw->txpower_offset(ifname, &off))
 438                 off = 0;
 439
 440         if (iw->txpower(ifname, &pwr))
 441                 pwr = -1;
 442         else
 443                 pwr += off;
 444
 445         return format_txpower(pwr);
 446 }
 447
 448 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
 449 {
 450         int qual;
 451         if (iw->quality(ifname, &qual))
 452                 qual = -1;
 453
 454         return format_quality(qual);
 455 }
 456
 457 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
 458 {
 459         int qmax;
 460         if (iw->quality_max(ifname, &qmax))
 461                 qmax = -1;
 462
 463         return format_quality_max(qmax);
 464 }
 465
 466 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
 467 {
 468         int sig;
 469         if (iw->signal(ifname, &sig))
 470                 sig = 0;
 471
 472         return format_signal(sig);
 473 }
 474
 475 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
 476 {
 477         int noise;
 478         if (iw->noise(ifname, &noise))
 479                 noise = 0;
 480
 481         return format_noise(noise);
 482 }
 483
 484 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
 485 {
 486         int rate;
 487         if (iw->bitrate(ifname, &rate))
 488                 rate = -1;
 489
 490         return format_rate(rate);
 491 }
 492
 493 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
 494 {
 495         struct iwinfo_crypto_entry c = { 0 };
 496         if (iw->encryption(ifname, (char *)&c))
 497                 return format_encryption(NULL);
 498
 499         return format_encryption(&c);
 500 }
 501
 502 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
 503 {
 504         int modes;
 505         if (iw->hwmodelist(ifname, &modes))
 506                 modes = -1;
 507
 508         return format_hwmodes(modes);
 509 }
 510
 511 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
 512 {
 513         int supp;
 514         static char buf[4];
 515
 516         if (iw->mbssid_support(ifname, &supp))
 517                 snprintf(buf, sizeof(buf), "no");
 518         else
 519                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
 520
 521         return buf;
 522 }
 523
 524 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
 525 {
 526         static char buf[32];
 527
 528         if (!iw->phyname(ifname, buf))
 529                 return buf;
 530
 531         return "?";
 532 }
 533
 534
 535 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
 536 {
 537         printf("%-9s ESSID: %s\n",
 538                 ifname,
 539                 print_ssid(iw, ifname));
 540         printf("          Access Point: %s\n",
 541                 print_bssid(iw, ifname));
 542         printf("          Mode: %s  Channel: %s (%s)\n",
 543                 print_mode(iw, ifname),
 544                 print_channel(iw, ifname),
 545                 print_frequency(iw, ifname));
 546         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
 547                 print_txpower(iw, ifname),
 548                 print_quality(iw, ifname),
 549                 print_quality_max(iw, ifname));
 550         printf("          Signal: %s  Noise: %s\n",
 551                 print_signal(iw, ifname),
 552                 print_noise(iw, ifname));
 553         printf("          Bit Rate: %s\n",
 554                 print_rate(iw, ifname));
 555         printf("          Encryption: %s\n",
 556                 print_encryption(iw, ifname));
 557         printf("          Type: %s  HW Mode(s): %s\n",
 558                 print_type(iw, ifname),
 559                 print_hwmodes(iw, ifname));
 560         printf("          Hardware: %s [%s]\n",
 561                 print_hardware_id(iw, ifname),
 562                 print_hardware_name(iw, ifname));
 563         printf("          TX power offset: %s\n",
 564                 print_txpower_offset(iw, ifname));
 565         printf("          Frequency offset: %s\n",
 566                 print_frequency_offset(iw, ifname));
 567         printf("          Supports VAPs: %s  PHY name: %s\n",
 568                 print_mbssid_supp(iw, ifname),
 569                 print_phyname(iw, ifname));
 570 }
 571
 572
 573 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
 574 {
 575         int i, x, len;
 576         char buf[IWINFO_BUFSIZE];
 577         struct iwinfo_scanlist_entry *e;
 578
 579         if (iw->scanlist(ifname, buf, &len))
 580         {
 581                 printf("Scanning not possible\n\n");
 582                 return;
 583         }
 584         else if (len <= 0)
 585         {
 586                 printf("No scan results\n\n");
 587                 return;
 588         }
 589
 590         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
 591         {
 592                 e = (struct iwinfo_scanlist_entry *) &buf[i];
 593
 594                 printf("Cell %02d - Address: %s\n",
 595                         x,
 596                         format_bssid(e->mac));
 597                 printf("          ESSID: %s\n",
 598                         format_ssid(e->ssid));
 599                 printf("          Mode: %s  Channel: %s\n",
 600                         IWINFO_OPMODE_NAMES[e->mode],
 601                         format_channel(e->channel));
 602                 printf("          Signal: %s  Quality: %s/%s\n",
 603                         format_signal(e->signal - 0x100),
 604                         format_quality(e->quality),
 605                         format_quality_max(e->quality_max));
 606                 printf("          Encryption: %s\n\n",
 607                         format_encryption(&e->crypto));
 608         }
 609 }
 610
 611
 612 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
 613 {
 614         int len, pwr, off, i;
 615         char buf[IWINFO_BUFSIZE];
 616         struct iwinfo_txpwrlist_entry *e;
 617
 618         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
 619         {
 620                 printf("No TX power information available\n");
 621                 return;
 622         }
 623
 624         if (iw->txpower(ifname, &pwr))
 625                 pwr = -1;
 626
 627         if (iw->txpower_offset(ifname, &off))
 628                 off = 0;
 629
 630         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 631         {
 632                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
 633
 634                 printf("%s%3d dBm (%4d mW)\n",
 635                         (pwr == e->dbm) ? "*" : " ",
 636                         e->dbm + off,
 637                         iwinfo_dbm2mw(e->dbm + off));
 638         }
 639 }
 640
 641
 642 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
 643 {
 644         int i, len, ch;
 645         char buf[IWINFO_BUFSIZE];
 646         struct iwinfo_freqlist_entry *e;
 647
 648         if (iw->freqlist(ifname, buf, &len) || len <= 0)
 649         {
 650                 printf("No frequency information available\n");
 651                 return;
 652         }
 653
 654         if (iw->channel(ifname, &ch))
 655                 ch = -1;
 656
 657         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 658         {
 659                 e = (struct iwinfo_freqlist_entry *) &buf[i];
 660
 661                 printf("%s %s (Channel %s)%s\n",
 662                         (ch == e->channel) ? "*" : " ",
 663                         format_frequency(e->mhz),
 664                         format_channel(e->channel),
 665                         e->restricted ? " [restricted]" : "");
 666         }
 667 }
 668
 669
 670 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
 671 {
 672         int i, len;
 673         char buf[IWINFO_BUFSIZE];
 674         struct iwinfo_assoclist_entry *e;
 675
 676         if (iw->assoclist(ifname, buf, &len))
 677         {
 678                 printf("No information available\n");
 679                 return;
 680         }
 681         else if (len <= 0)
 682         {
 683                 printf("No station connected\n");
 684                 return;
 685         }
 686
 687         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 688         {
 689                 e = (struct iwinfo_assoclist_entry *) &buf[i];
 690
 691                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
 692                         format_bssid(e->mac),
 693                         format_signal(e->signal),
 694                         format_noise(e->noise),
 695                         (e->signal - e->noise),
 696                         e->inactive);
 697
 698                 printf("        RX: %-38s  %8d Pkts.\n",
 699                         format_assocrate(&e->rx_rate),
 700                         e->rx_packets
 701                 );
 702
 703                 printf("        TX: %-38s  %8d Pkts.\n",
 704                         format_assocrate(&e->tx_rate),
 705                         e->tx_packets
 706                 );
 707
 708                 printf("        expected throughput: %s\n\n",
 709                         format_rate(e->thr));
 710         }
 711 }
 712
 713
 714 static char * lookup_country(char *buf, int len, int iso3166)
 715 {
 716         int i;
 717         struct iwinfo_country_entry *c;
 718
 719         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 720         {
 721                 c = (struct iwinfo_country_entry *) &buf[i];
 722
 723                 if (c->iso3166 == iso3166)
 724                         return c->ccode;
 725         }
 726
 727         return NULL;
 728 }
 729
 730 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
 731 {
 732         int len;
 733         char buf[IWINFO_BUFSIZE];
 734         char *ccode;
 735         char curcode[3];
 736         const struct iwinfo_iso3166_label *l;
 737
 738         if (iw->countrylist(ifname, buf, &len))
 739         {
 740                 printf("No country code information available\n");
 741                 return;
 742         }
 743
 744         if (iw->country(ifname, curcode))
 745                 memset(curcode, 0, sizeof(curcode));
 746
 747         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 748         {
 749                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
 750                 {
 751                         printf("%s %4s  %c%c\n",
 752                                 strncmp(ccode, curcode, 2) ? " " : "*",
 753                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
 754                 }
 755         }
 756 }
 757
 758 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
 759 {
 760         int i, htmodes = 0;
 761
 762         if (iw->htmodelist(ifname, &htmodes))
 763         {
 764                 printf("No HT mode information available\n");
 765                 return;
 766         }
 767
 768         for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
 769                 if (htmodes & (1 << i))
 770                         printf("%s ", IWINFO_HTMODE_NAMES[i]);
 771
 772         printf("\n");
 773 }
 774
 775 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
 776 {
 777         char buf[IWINFO_BUFSIZE];
 778
 779         if (!iw->lookup_phy)
 780         {
 781                 fprintf(stderr, "Not supported\n");
 782                 return;
 783         }
 784
 785         if (iw->lookup_phy(section, buf))
 786         {
 787                 fprintf(stderr, "Phy not found\n");
 788                 return;
 789         }
 790
 791         printf("%s\n", buf);
 792 }
 793
 794
 795 int main(int argc, char **argv)
 796 {
 797         int i, rv = 0;
 798         char *p;
 799         const struct iwinfo_ops *iw;
 800         glob_t globbuf;
 801
 802         if (argc > 1 && argc < 3)
 803         {
 804                 fprintf(stderr,
 805                         "Usage:\n"
 806                         "       iwinfo <device> info\n"
 807                         "       iwinfo <device> scan\n"
 808                         "       iwinfo <device> txpowerlist\n"
 809                         "       iwinfo <device> freqlist\n"
 810                         "       iwinfo <device> assoclist\n"
 811                         "       iwinfo <device> countrylist\n"
 812                         "       iwinfo <device> htmodelist\n"
 813                         "       iwinfo <backend> phyname <section>\n"
 814                 );
 815
 816                 return 1;
 817         }
 818
 819         if (argc == 1)
 820         {
 821                 glob("/sys/class/net/*", 0, NULL, &globbuf);
 822
 823                 for (i = 0; i < globbuf.gl_pathc; i++)
 824                 {
 825                         p = strrchr(globbuf.gl_pathv[i], '/');
 826
 827                         if (!p)
 828                                 continue;
 829
 830                         iw = iwinfo_backend(++p);
 831
 832                         if (!iw)
 833                                 continue;
 834
 835                         print_info(iw, p);
 836                         printf("\n");
 837                 }
 838
 839                 globfree(&globbuf);
 840                 return 0;
 841         }
 842
 843         if (argc > 3)
 844         {
 845                 iw = iwinfo_backend_by_name(argv[1]);
 846
 847                 if (!iw)
 848                 {
 849                         fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
 850                         rv = 1;
 851                 }
 852                 else
 853                 {
 854                         switch (argv[2][0])
 855                         {
 856                         case 'p':
 857                                 lookup_phy(iw, argv[3]);
 858                                 break;
 859
 860                         default:
 861                                 fprintf(stderr, "Unknown command: %s\n", argv[2]);
 862                                 rv = 1;
 863                         }
 864                 }
 865         }
 866         else
 867         {
 868                 iw = iwinfo_backend(argv[1]);
 869
 870                 if (!iw)
 871                 {
 872                         fprintf(stderr, "No such wireless device: %s\n", argv[1]);
 873                         rv = 1;
 874                 }
 875                 else
 876                 {
 877                         for (i = 2; i < argc; i++)
 878                         {
 879                                 switch(argv[i][0])
 880                                 {
 881                                 case 'i':
 882                                         print_info(iw, argv[1]);
 883                                         break;
 884
 885                                 case 's':
 886                                         print_scanlist(iw, argv[1]);
 887                                         break;
 888
 889                                 case 't':
 890                                         print_txpwrlist(iw, argv[1]);
 891                                         break;
 892
 893                                 case 'f':
 894                                         print_freqlist(iw, argv[1]);
 895                                         break;
 896
 897                                 case 'a':
 898                                         print_assoclist(iw, argv[1]);
 899                                         break;
 900
 901                                 case 'c':
 902                                         print_countrylist(iw, argv[1]);
 903                                         break;
 904
 905                                 case 'h':
 906                                         print_htmodelist(iw, argv[1]);
 907                                         break;
 908
 909                                 default:
 910                                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
 911                                         rv = 1;
 912                                 }
 913                         }
 914                 }
 915         }
 916
 917         iwinfo_finish();
 918
 919         return rv;
 920 }