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[18];
 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 & IWINFO_KMGMT_SAE)
 190                 pos += sprintf(pos, "SAE/");
 191
 192         if (suites & IWINFO_KMGMT_OWE)
 193                 pos += sprintf(pos, "OWE/");
 194
 195         if (!suites || (suites & IWINFO_KMGMT_NONE))
 196                 pos += sprintf(pos, "NONE/");
 197
 198         *(pos - 1) = 0;
 199
 200         return str;
 201 }
 202
 203 static char * format_encryption(struct iwinfo_crypto_entry *c)
 204 {
 205         static char buf[512];
 206         char *pos = buf;
 207         int i, n;
 208
 209         if (!c)
 210         {
 211                 snprintf(buf, sizeof(buf), "unknown");
 212         }
 213         else if (c->enabled)
 214         {
 215                 /* WEP */
 216                 if (c->auth_algs && !c->wpa_version)
 217                 {
 218                         if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
 219                                 (c->auth_algs & IWINFO_AUTH_SHARED))
 220                         {
 221                                 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
 222                                         format_enc_ciphers(c->pair_ciphers));
 223                         }
 224                         else if (c->auth_algs & IWINFO_AUTH_OPEN)
 225                         {
 226                                 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
 227                                         format_enc_ciphers(c->pair_ciphers));
 228                         }
 229                         else if (c->auth_algs & IWINFO_AUTH_SHARED)
 230                         {
 231                                 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
 232                                         format_enc_ciphers(c->pair_ciphers));
 233                         }
 234                 }
 235
 236                 /* WPA */
 237                 else if (c->wpa_version)
 238                 {
 239                         for (i = 0, n = 0; i < 3; i++)
 240                                 if (c->wpa_version & (1 << i))
 241                                         n++;
 242
 243                         if (n > 1)
 244                                 pos += sprintf(pos, "mixed ");
 245
 246                         for (i = 0; i < 3; i++)
 247                                 if (c->wpa_version & (1 << i))
 248                                         if (i)
 249                                                 pos += sprintf(pos, "WPA%d/", i + 1);
 250                                         else
 251                                                 pos += sprintf(pos, "WPA/");
 252
 253                         pos--;
 254
 255                         sprintf(pos, " %s (%s)",
 256                                 format_enc_suites(c->auth_suites),
 257                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 258                 }
 259                 else
 260                 {
 261                         snprintf(buf, sizeof(buf), "none");
 262                 }
 263         }
 264         else
 265         {
 266                 snprintf(buf, sizeof(buf), "none");
 267         }
 268
 269         return buf;
 270 }
 271
 272 static char * format_hwmodes(int modes)
 273 {
 274         static char buf[15];
 275
 276         if (modes <= 0)
 277                 snprintf(buf, sizeof(buf), "unknown");
 278         else
 279                 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s%s",
 280                         (modes & IWINFO_80211_A) ? "a" : "",
 281                         (modes & IWINFO_80211_B) ? "b" : "",
 282                         (modes & IWINFO_80211_G) ? "g" : "",
 283                         (modes & IWINFO_80211_N) ? "n" : "",
 284                         (modes & IWINFO_80211_AC) ? "ac" : "",
 285                         (modes & IWINFO_80211_AD) ? "ad" : "");
 286
 287         return buf;
 288 }
 289
 290 static char * format_assocrate(struct iwinfo_rate_entry *r)
 291 {
 292         static char buf[80];
 293         char *p = buf;
 294         int l = sizeof(buf);
 295
 296         if (r->rate <= 0)
 297         {
 298                 snprintf(buf, sizeof(buf), "unknown");
 299         }
 300         else
 301         {
 302                 p += snprintf(p, l, "%s", format_rate(r->rate));
 303                 l = sizeof(buf) - (p - buf);
 304
 305                 if (r->is_ht)
 306                 {
 307                         p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, r->mhz);
 308                         l = sizeof(buf) - (p - buf);
 309                 }
 310                 else if (r->is_vht)
 311                 {
 312                         p += snprintf(p, l, ", VHT-MCS %d, %dMHz", r->mcs, r->mhz);
 313                         l = sizeof(buf) - (p - buf);
 314
 315                         if (r->nss)
 316                         {
 317                                 p += snprintf(p, l, ", VHT-NSS %d", r->nss);
 318                                 l = sizeof(buf) - (p - buf);
 319                         }
 320                 }
 321         }
 322
 323         return buf;
 324 }
 325
 326
 327 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
 328 {
 329         const char *type = iwinfo_type(ifname);
 330         return type ? type : "unknown";
 331 }
 332
 333 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
 334 {
 335         static char buf[20];
 336         struct iwinfo_hardware_id ids;
 337
 338         if (!iw->hardware_id(ifname, (char *)&ids))
 339         {
 340                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
 341                         ids.vendor_id, ids.device_id,
 342                         ids.subsystem_vendor_id, ids.subsystem_device_id);
 343         }
 344         else
 345         {
 346                 snprintf(buf, sizeof(buf), "unknown");
 347         }
 348
 349         return buf;
 350 }
 351
 352 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
 353 {
 354         static char buf[128];
 355
 356         if (iw->hardware_name(ifname, buf))
 357                 snprintf(buf, sizeof(buf), "unknown");
 358
 359         return buf;
 360 }
 361
 362 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
 363 {
 364         int off;
 365         static char buf[12];
 366
 367         if (iw->txpower_offset(ifname, &off))
 368                 snprintf(buf, sizeof(buf), "unknown");
 369         else if (off != 0)
 370                 snprintf(buf, sizeof(buf), "%d dB", off);
 371         else
 372                 snprintf(buf, sizeof(buf), "none");
 373
 374         return buf;
 375 }
 376
 377 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
 378 {
 379         int off;
 380         static char buf[12];
 381
 382         if (iw->frequency_offset(ifname, &off))
 383                 snprintf(buf, sizeof(buf), "unknown");
 384         else if (off != 0)
 385                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
 386         else
 387                 snprintf(buf, sizeof(buf), "none");
 388
 389         return buf;
 390 }
 391
 392 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 393 {
 394         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
 395
 396         if (iw->ssid(ifname, buf))
 397                 memset(buf, 0, sizeof(buf));
 398
 399         return format_ssid(buf);
 400 }
 401
 402 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
 403 {
 404         static char buf[18] = { 0 };
 405
 406         if (iw->bssid(ifname, buf))
 407                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
 408
 409         return buf;
 410 }
 411
 412 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
 413 {
 414         int mode;
 415         static char buf[128];
 416
 417         if (iw->mode(ifname, &mode))
 418                 mode = IWINFO_OPMODE_UNKNOWN;
 419
 420         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
 421
 422         return buf;
 423 }
 424
 425 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
 426 {
 427         int ch;
 428         if (iw->channel(ifname, &ch))
 429                 ch = -1;
 430
 431         return format_channel(ch);
 432 }
 433
 434 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 435 {
 436         int freq;
 437         if (iw->frequency(ifname, &freq))
 438                 freq = -1;
 439
 440         return format_frequency(freq);
 441 }
 442
 443 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 444 {
 445         int pwr, off;
 446         if (iw->txpower_offset(ifname, &off))
 447                 off = 0;
 448
 449         if (iw->txpower(ifname, &pwr))
 450                 pwr = -1;
 451         else
 452                 pwr += off;
 453
 454         return format_txpower(pwr);
 455 }
 456
 457 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
 458 {
 459         int qual;
 460         if (iw->quality(ifname, &qual))
 461                 qual = -1;
 462
 463         return format_quality(qual);
 464 }
 465
 466 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
 467 {
 468         int qmax;
 469         if (iw->quality_max(ifname, &qmax))
 470                 qmax = -1;
 471
 472         return format_quality_max(qmax);
 473 }
 474
 475 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
 476 {
 477         int sig;
 478         if (iw->signal(ifname, &sig))
 479                 sig = 0;
 480
 481         return format_signal(sig);
 482 }
 483
 484 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
 485 {
 486         int noise;
 487         if (iw->noise(ifname, &noise))
 488                 noise = 0;
 489
 490         return format_noise(noise);
 491 }
 492
 493 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
 494 {
 495         int rate;
 496         if (iw->bitrate(ifname, &rate))
 497                 rate = -1;
 498
 499         return format_rate(rate);
 500 }
 501
 502 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
 503 {
 504         struct iwinfo_crypto_entry c = { 0 };
 505         if (iw->encryption(ifname, (char *)&c))
 506                 return format_encryption(NULL);
 507
 508         return format_encryption(&c);
 509 }
 510
 511 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
 512 {
 513         int modes;
 514         if (iw->hwmodelist(ifname, &modes))
 515                 modes = -1;
 516
 517         return format_hwmodes(modes);
 518 }
 519
 520 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
 521 {
 522         int supp;
 523         static char buf[4];
 524
 525         if (iw->mbssid_support(ifname, &supp))
 526                 snprintf(buf, sizeof(buf), "no");
 527         else
 528                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
 529
 530         return buf;
 531 }
 532
 533 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
 534 {
 535         static char buf[32];
 536
 537         if (!iw->phyname(ifname, buf))
 538                 return buf;
 539
 540         return "?";
 541 }
 542
 543
 544 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
 545 {
 546         printf("%-9s ESSID: %s\n",
 547                 ifname,
 548                 print_ssid(iw, ifname));
 549         printf("          Access Point: %s\n",
 550                 print_bssid(iw, ifname));
 551         printf("          Mode: %s  Channel: %s (%s)\n",
 552                 print_mode(iw, ifname),
 553                 print_channel(iw, ifname),
 554                 print_frequency(iw, ifname));
 555         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
 556                 print_txpower(iw, ifname),
 557                 print_quality(iw, ifname),
 558                 print_quality_max(iw, ifname));
 559         printf("          Signal: %s  Noise: %s\n",
 560                 print_signal(iw, ifname),
 561                 print_noise(iw, ifname));
 562         printf("          Bit Rate: %s\n",
 563                 print_rate(iw, ifname));
 564         printf("          Encryption: %s\n",
 565                 print_encryption(iw, ifname));
 566         printf("          Type: %s  HW Mode(s): %s\n",
 567                 print_type(iw, ifname),
 568                 print_hwmodes(iw, ifname));
 569         printf("          Hardware: %s [%s]\n",
 570                 print_hardware_id(iw, ifname),
 571                 print_hardware_name(iw, ifname));
 572         printf("          TX power offset: %s\n",
 573                 print_txpower_offset(iw, ifname));
 574         printf("          Frequency offset: %s\n",
 575                 print_frequency_offset(iw, ifname));
 576         printf("          Supports VAPs: %s  PHY name: %s\n",
 577                 print_mbssid_supp(iw, ifname),
 578                 print_phyname(iw, ifname));
 579 }
 580
 581
 582 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
 583 {
 584         int i, x, len;
 585         char buf[IWINFO_BUFSIZE];
 586         struct iwinfo_scanlist_entry *e;
 587
 588         if (iw->scanlist(ifname, buf, &len))
 589         {
 590                 printf("Scanning not possible\n\n");
 591                 return;
 592         }
 593         else if (len <= 0)
 594         {
 595                 printf("No scan results\n\n");
 596                 return;
 597         }
 598
 599         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
 600         {
 601                 e = (struct iwinfo_scanlist_entry *) &buf[i];
 602
 603                 printf("Cell %02d - Address: %s\n",
 604                         x,
 605                         format_bssid(e->mac));
 606                 printf("          ESSID: %s\n",
 607                         format_ssid(e->ssid));
 608                 printf("          Mode: %s  Channel: %s\n",
 609                         IWINFO_OPMODE_NAMES[e->mode],
 610                         format_channel(e->channel));
 611                 printf("          Signal: %s  Quality: %s/%s\n",
 612                         format_signal(e->signal - 0x100),
 613                         format_quality(e->quality),
 614                         format_quality_max(e->quality_max));
 615                 printf("          Encryption: %s\n",
 616                         format_encryption(&e->crypto));
 617                 if (e->has_bss_load) {
 618                         printf("          Station count: %u\n",
 619                                 e->station_count);
 620                         printf("          Channel utilization: %u/255\n",
 621                                 e->channel_utilization);
 622                         printf("          Available admission capacity: %u (*32us)\n",
 623                                 e->admission_capacity);
 624                 }
 625                 printf("\n");
 626         }
 627 }
 628
 629
 630 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
 631 {
 632         int len, pwr, off, i;
 633         char buf[IWINFO_BUFSIZE];
 634         struct iwinfo_txpwrlist_entry *e;
 635
 636         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
 637         {
 638                 printf("No TX power information available\n");
 639                 return;
 640         }
 641
 642         if (iw->txpower(ifname, &pwr))
 643                 pwr = -1;
 644
 645         if (iw->txpower_offset(ifname, &off))
 646                 off = 0;
 647
 648         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 649         {
 650                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
 651
 652                 printf("%s%3d dBm (%4d mW)\n",
 653                         (pwr == e->dbm) ? "*" : " ",
 654                         e->dbm + off,
 655                         iwinfo_dbm2mw(e->dbm + off));
 656         }
 657 }
 658
 659
 660 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
 661 {
 662         int i, len, ch;
 663         char buf[IWINFO_BUFSIZE];
 664         struct iwinfo_freqlist_entry *e;
 665
 666         if (iw->freqlist(ifname, buf, &len) || len <= 0)
 667         {
 668                 printf("No frequency information available\n");
 669                 return;
 670         }
 671
 672         if (iw->channel(ifname, &ch))
 673                 ch = -1;
 674
 675         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 676         {
 677                 e = (struct iwinfo_freqlist_entry *) &buf[i];
 678
 679                 printf("%s %s (Channel %s)%s\n",
 680                         (ch == e->channel) ? "*" : " ",
 681                         format_frequency(e->mhz),
 682                         format_channel(e->channel),
 683                         e->restricted ? " [restricted]" : "");
 684         }
 685 }
 686
 687
 688 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
 689 {
 690         int i, len;
 691         char buf[IWINFO_BUFSIZE];
 692         struct iwinfo_assoclist_entry *e;
 693
 694         if (iw->assoclist(ifname, buf, &len))
 695         {
 696                 printf("No information available\n");
 697                 return;
 698         }
 699         else if (len <= 0)
 700         {
 701                 printf("No station connected\n");
 702                 return;
 703         }
 704
 705         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 706         {
 707                 e = (struct iwinfo_assoclist_entry *) &buf[i];
 708
 709                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
 710                         format_bssid(e->mac),
 711                         format_signal(e->signal),
 712                         format_noise(e->noise),
 713                         (e->signal - e->noise),
 714                         e->inactive);
 715
 716                 printf("        RX: %-38s  %8d Pkts.\n",
 717                         format_assocrate(&e->rx_rate),
 718                         e->rx_packets
 719                 );
 720
 721                 printf("        TX: %-38s  %8d Pkts.\n",
 722                         format_assocrate(&e->tx_rate),
 723                         e->tx_packets
 724                 );
 725
 726                 printf("        expected throughput: %s\n\n",
 727                         format_rate(e->thr));
 728         }
 729 }
 730
 731
 732 static char * lookup_country(char *buf, int len, int iso3166)
 733 {
 734         int i;
 735         struct iwinfo_country_entry *c;
 736
 737         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 738         {
 739                 c = (struct iwinfo_country_entry *) &buf[i];
 740
 741                 if (c->iso3166 == iso3166)
 742                         return c->ccode;
 743         }
 744
 745         return NULL;
 746 }
 747
 748 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
 749 {
 750         int len;
 751         char buf[IWINFO_BUFSIZE];
 752         char *ccode;
 753         char curcode[3];
 754         const struct iwinfo_iso3166_label *l;
 755
 756         if (iw->countrylist(ifname, buf, &len))
 757         {
 758                 printf("No country code information available\n");
 759                 return;
 760         }
 761
 762         if (iw->country(ifname, curcode))
 763                 memset(curcode, 0, sizeof(curcode));
 764
 765         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 766         {
 767                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
 768                 {
 769                         printf("%s %4s  %c%c\n",
 770                                 strncmp(ccode, curcode, 2) ? " " : "*",
 771                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
 772                 }
 773         }
 774 }
 775
 776 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
 777 {
 778         int i, htmodes = 0;
 779
 780         if (iw->htmodelist(ifname, &htmodes))
 781         {
 782                 printf("No HT mode information available\n");
 783                 return;
 784         }
 785
 786         for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
 787                 if (htmodes & (1 << i))
 788                         printf("%s ", IWINFO_HTMODE_NAMES[i]);
 789
 790         printf("\n");
 791 }
 792
 793 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
 794 {
 795         char buf[IWINFO_BUFSIZE];
 796
 797         if (!iw->lookup_phy)
 798         {
 799                 fprintf(stderr, "Not supported\n");
 800                 return;
 801         }
 802
 803         if (iw->lookup_phy(section, buf))
 804         {
 805                 fprintf(stderr, "Phy not found\n");
 806                 return;
 807         }
 808
 809         printf("%s\n", buf);
 810 }
 811
 812
 813 int main(int argc, char **argv)
 814 {
 815         int i, rv = 0;
 816         char *p;
 817         const struct iwinfo_ops *iw;
 818         glob_t globbuf;
 819
 820         if (argc > 1 && argc < 3)
 821         {
 822                 fprintf(stderr,
 823                         "Usage:\n"
 824                         "       iwinfo <device> info\n"
 825                         "       iwinfo <device> scan\n"
 826                         "       iwinfo <device> txpowerlist\n"
 827                         "       iwinfo <device> freqlist\n"
 828                         "       iwinfo <device> assoclist\n"
 829                         "       iwinfo <device> countrylist\n"
 830                         "       iwinfo <device> htmodelist\n"
 831                         "       iwinfo <backend> phyname <section>\n"
 832                 );
 833
 834                 return 1;
 835         }
 836
 837         if (argc == 1)
 838         {
 839                 glob("/sys/class/net/*", 0, NULL, &globbuf);
 840
 841                 for (i = 0; i < globbuf.gl_pathc; i++)
 842                 {
 843                         p = strrchr(globbuf.gl_pathv[i], '/');
 844
 845                         if (!p)
 846                                 continue;
 847
 848                         iw = iwinfo_backend(++p);
 849
 850                         if (!iw)
 851                                 continue;
 852
 853                         print_info(iw, p);
 854                         printf("\n");
 855                 }
 856
 857                 globfree(&globbuf);
 858                 return 0;
 859         }
 860
 861         if (argc > 3)
 862         {
 863                 iw = iwinfo_backend_by_name(argv[1]);
 864
 865                 if (!iw)
 866                 {
 867                         fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
 868                         rv = 1;
 869                 }
 870                 else
 871                 {
 872                         switch (argv[2][0])
 873                         {
 874                         case 'p':
 875                                 lookup_phy(iw, argv[3]);
 876                                 break;
 877
 878                         default:
 879                                 fprintf(stderr, "Unknown command: %s\n", argv[2]);
 880                                 rv = 1;
 881                         }
 882                 }
 883         }
 884         else
 885         {
 886                 iw = iwinfo_backend(argv[1]);
 887
 888                 if (!iw)
 889                 {
 890                         fprintf(stderr, "No such wireless device: %s\n", argv[1]);
 891                         rv = 1;
 892                 }
 893                 else
 894                 {
 895                         for (i = 2; i < argc; i++)
 896                         {
 897                                 switch(argv[i][0])
 898                                 {
 899                                 case 'i':
 900                                         print_info(iw, argv[1]);
 901                                         break;
 902
 903                                 case 's':
 904                                         print_scanlist(iw, argv[1]);
 905                                         break;
 906
 907                                 case 't':
 908                                         print_txpwrlist(iw, argv[1]);
 909                                         break;
 910
 911                                 case 'f':
 912                                         print_freqlist(iw, argv[1]);
 913                                         break;
 914
 915                                 case 'a':
 916                                         print_assoclist(iw, argv[1]);
 917                                         break;
 918
 919                                 case 'c':
 920                                         print_countrylist(iw, argv[1]);
 921                                         break;
 922
 923                                 case 'h':
 924                                         print_htmodelist(iw, argv[1]);
 925                                         break;
 926
 927                                 default:
 928                                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
 929                                         rv = 1;
 930                                 }
 931                         }
 932                 }
 933         }
 934
 935         iwinfo_finish();
 936
 937         return rv;
 938 }