Initial commit
[project/iwinfo.git] / 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[40];
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->mcs >= 0)
297                 {
298                         p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, 20 + r->is_40mhz*20);
299                         l = sizeof(buf) - (p - buf);
300
301                         if (r->is_short_gi)
302                                 p += snprintf(p, l, ", short GI");
303                 }
304         }
305
306         return buf;
307 }
308
309
310 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
311 {
312         const char *type = iwinfo_type(ifname);
313         return type ? type : "unknown";
314 }
315
316 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
317 {
318         static char buf[20];
319         struct iwinfo_hardware_id ids;
320
321         if (!iw->hardware_id(ifname, (char *)&ids))
322         {
323                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
324                         ids.vendor_id, ids.device_id,
325                         ids.subsystem_vendor_id, ids.subsystem_device_id);
326         }
327         else
328         {
329                 snprintf(buf, sizeof(buf), "unknown");
330         }
331
332         return buf;
333 }
334
335 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
336 {
337         static char buf[128];
338
339         if (iw->hardware_name(ifname, buf))
340                 snprintf(buf, sizeof(buf), "unknown");
341
342         return buf;
343 }
344
345 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
346 {
347         int off;
348         static char buf[12];
349
350         if (iw->txpower_offset(ifname, &off))
351                 snprintf(buf, sizeof(buf), "unknown");
352         else if (off != 0)
353                 snprintf(buf, sizeof(buf), "%d dB", off);
354         else
355                 snprintf(buf, sizeof(buf), "none");
356
357         return buf;
358 }
359
360 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
361 {
362         int off;
363         static char buf[12];
364
365         if (iw->frequency_offset(ifname, &off))
366                 snprintf(buf, sizeof(buf), "unknown");
367         else if (off != 0)
368                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
369         else
370                 snprintf(buf, sizeof(buf), "none");
371
372         return buf;
373 }
374
375 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
376 {
377         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
378
379         if (iw->ssid(ifname, buf))
380                 memset(buf, 0, sizeof(buf));
381
382         return format_ssid(buf);
383 }
384
385 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
386 {
387         static char buf[18] = { 0 };
388
389         if (iw->bssid(ifname, buf))
390                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
391
392         return buf;
393 }
394
395 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
396 {
397         int mode;
398         static char buf[128];
399
400         if (iw->mode(ifname, &mode))
401                 mode = IWINFO_OPMODE_UNKNOWN;
402
403         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
404
405         return buf;
406 }
407
408 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
409 {
410         int ch;
411         if (iw->channel(ifname, &ch))
412                 ch = -1;
413
414         return format_channel(ch);
415 }
416
417 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
418 {
419         int freq;
420         if (iw->frequency(ifname, &freq))
421                 freq = -1;
422
423         return format_frequency(freq);
424 }
425
426 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
427 {
428         int pwr, off;
429         if (iw->txpower_offset(ifname, &off))
430                 off = 0;
431
432         if (iw->txpower(ifname, &pwr))
433                 pwr = -1;
434         else
435                 pwr += off;
436
437         return format_txpower(pwr);
438 }
439
440 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
441 {
442         int qual;
443         if (iw->quality(ifname, &qual))
444                 qual = -1;
445
446         return format_quality(qual);
447 }
448
449 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
450 {
451         int qmax;
452         if (iw->quality_max(ifname, &qmax))
453                 qmax = -1;
454
455         return format_quality_max(qmax);
456 }
457
458 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
459 {
460         int sig;
461         if (iw->signal(ifname, &sig))
462                 sig = 0;
463
464         return format_signal(sig);
465 }
466
467 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
468 {
469         int noise;
470         if (iw->noise(ifname, &noise))
471                 noise = 0;
472
473         return format_noise(noise);
474 }
475
476 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
477 {
478         int rate;
479         if (iw->bitrate(ifname, &rate))
480                 rate = -1;
481
482         return format_rate(rate);
483 }
484
485 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
486 {
487         struct iwinfo_crypto_entry c = { 0 };
488         if (iw->encryption(ifname, (char *)&c))
489                 return format_encryption(NULL);
490
491         return format_encryption(&c);
492 }
493
494 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
495 {
496         int modes;
497         if (iw->hwmodelist(ifname, &modes))
498                 modes = -1;
499
500         return format_hwmodes(modes);
501 }
502
503 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
504 {
505         int supp;
506         static char buf[4];
507
508         if (iw->mbssid_support(ifname, &supp))
509                 snprintf(buf, sizeof(buf), "no");
510         else
511                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
512
513         return buf;
514 }
515
516 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
517 {
518         static char buf[32];
519
520         if (!iw->phyname(ifname, buf))
521                 return buf;
522
523         return "?";
524 }
525
526
527 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
528 {
529         printf("%-9s ESSID: %s\n",
530                 ifname,
531                 print_ssid(iw, ifname));
532         printf("          Access Point: %s\n",
533                 print_bssid(iw, ifname));
534         printf("          Mode: %s  Channel: %s (%s)\n",
535                 print_mode(iw, ifname),
536                 print_channel(iw, ifname),
537                 print_frequency(iw, ifname));
538         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
539                 print_txpower(iw, ifname),
540                 print_quality(iw, ifname),
541                 print_quality_max(iw, ifname));
542         printf("          Signal: %s  Noise: %s\n",
543                 print_signal(iw, ifname),
544                 print_noise(iw, ifname));
545         printf("          Bit Rate: %s\n",
546                 print_rate(iw, ifname));
547         printf("          Encryption: %s\n",
548                 print_encryption(iw, ifname));
549         printf("          Type: %s  HW Mode(s): %s\n",
550                 print_type(iw, ifname),
551                 print_hwmodes(iw, ifname));
552         printf("          Hardware: %s [%s]\n",
553                 print_hardware_id(iw, ifname),
554                 print_hardware_name(iw, ifname));
555         printf("          TX power offset: %s\n",
556                 print_txpower_offset(iw, ifname));
557         printf("          Frequency offset: %s\n",
558                 print_frequency_offset(iw, ifname));
559         printf("          Supports VAPs: %s  PHY name: %s\n",
560                 print_mbssid_supp(iw, ifname),
561                 print_phyname(iw, ifname));
562 }
563
564
565 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
566 {
567         int i, x, len;
568         char buf[IWINFO_BUFSIZE];
569         struct iwinfo_scanlist_entry *e;
570
571         if (iw->scanlist(ifname, buf, &len))
572         {
573                 printf("Scanning not possible\n\n");
574                 return;
575         }
576         else if (len <= 0)
577         {
578                 printf("No scan results\n\n");
579                 return;
580         }
581
582         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
583         {
584                 e = (struct iwinfo_scanlist_entry *) &buf[i];
585
586                 printf("Cell %02d - Address: %s\n",
587                         x,
588                         format_bssid(e->mac));
589                 printf("          ESSID: %s\n",
590                         format_ssid(e->ssid));
591                 printf("          Mode: %s  Channel: %s\n",
592                         IWINFO_OPMODE_NAMES[e->mode],
593                         format_channel(e->channel));
594                 printf("          Signal: %s  Quality: %s/%s\n",
595                         format_signal(e->signal - 0x100),
596                         format_quality(e->quality),
597                         format_quality_max(e->quality_max));
598                 printf("          Encryption: %s\n\n",
599                         format_encryption(&e->crypto));
600         }
601 }
602
603
604 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
605 {
606         int len, pwr, off, i;
607         char buf[IWINFO_BUFSIZE];
608         struct iwinfo_txpwrlist_entry *e;
609
610         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
611         {
612                 printf("No TX power information available\n");
613                 return;
614         }
615
616         if (iw->txpower(ifname, &pwr))
617                 pwr = -1;
618
619         if (iw->txpower_offset(ifname, &off))
620                 off = 0;
621
622         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
623         {
624                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
625
626                 printf("%s%3d dBm (%4d mW)\n",
627                         (pwr == e->dbm) ? "*" : " ",
628                         e->dbm + off,
629                         iwinfo_dbm2mw(e->dbm + off));
630         }
631 }
632
633
634 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
635 {
636         int i, len, ch;
637         char buf[IWINFO_BUFSIZE];
638         struct iwinfo_freqlist_entry *e;
639
640         if (iw->freqlist(ifname, buf, &len) || len <= 0)
641         {
642                 printf("No frequency information available\n");
643                 return;
644         }
645
646         if (iw->channel(ifname, &ch))
647                 ch = -1;
648
649         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
650         {
651                 e = (struct iwinfo_freqlist_entry *) &buf[i];
652
653                 printf("%s %s (Channel %s)%s\n",
654                         (ch == e->channel) ? "*" : " ",
655                         format_frequency(e->mhz),
656                         format_channel(e->channel),
657                         e->restricted ? " [restricted]" : "");
658         }
659 }
660
661
662 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
663 {
664         int i, len;
665         char buf[IWINFO_BUFSIZE];
666         struct iwinfo_assoclist_entry *e;
667
668         if (iw->assoclist(ifname, buf, &len))
669         {
670                 printf("No information available\n");
671                 return;
672         }
673         else if (len <= 0)
674         {
675                 printf("No station connected\n");
676                 return;
677         }
678
679         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
680         {
681                 e = (struct iwinfo_assoclist_entry *) &buf[i];
682
683                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
684                         format_bssid(e->mac),
685                         format_signal(e->signal),
686                         format_noise(e->noise),
687                         (e->signal - e->noise),
688                         e->inactive);
689
690                 printf("        RX: %-38s  %8d Pkts.\n",
691                         format_assocrate(&e->rx_rate),
692                         e->rx_packets
693                 );
694
695                 printf("        TX: %-38s  %8d Pkts.\n\n",
696                         format_assocrate(&e->tx_rate),
697                         e->tx_packets
698                 );
699         }
700 }
701
702
703 static char * lookup_country(char *buf, int len, int iso3166)
704 {
705         int i;
706         struct iwinfo_country_entry *c;
707
708         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
709         {
710                 c = (struct iwinfo_country_entry *) &buf[i];
711
712                 if (c->iso3166 == iso3166)
713                         return c->ccode;
714         }
715
716         return NULL;
717 }
718
719 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
720 {
721         int len;
722         char buf[IWINFO_BUFSIZE];
723         char *ccode;
724         char curcode[3];
725         const struct iwinfo_iso3166_label *l;
726
727         if (iw->countrylist(ifname, buf, &len))
728         {
729                 printf("No country code information available\n");
730                 return;
731         }
732
733         if (iw->country(ifname, curcode))
734                 memset(curcode, 0, sizeof(curcode));
735
736         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
737         {
738                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
739                 {
740                         printf("%s %4s  %c%c\n",
741                                 strncmp(ccode, curcode, 2) ? " " : "*",
742                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
743                 }
744         }
745 }
746
747
748 int main(int argc, char **argv)
749 {
750         int i;
751         char *p;
752         const struct iwinfo_ops *iw;
753         glob_t globbuf;
754
755         if (argc > 1 && argc < 3)
756         {
757                 fprintf(stderr,
758                         "Usage:\n"
759                         "       iwinfo <device> info\n"
760                         "       iwinfo <device> scan\n"
761                         "       iwinfo <device> txpowerlist\n"
762                         "       iwinfo <device> freqlist\n"
763                         "       iwinfo <device> assoclist\n"
764                         "       iwinfo <device> countrylist\n"
765                 );
766
767                 return 1;
768         }
769
770         if (argc == 1)
771         {
772                 glob("/sys/class/net/*", 0, NULL, &globbuf);
773
774                 for (i = 0; i < globbuf.gl_pathc; i++)
775                 {
776                         p = strrchr(globbuf.gl_pathv[i], '/');
777
778                         if (!p)
779                                 continue;
780
781                         iw = iwinfo_backend(++p);
782
783                         if (!iw)
784                                 continue;
785
786                         print_info(iw, p);
787                         printf("\n");
788                 }
789
790                 globfree(&globbuf);
791                 return 0;
792         }
793
794         iw = iwinfo_backend(argv[1]);
795
796         if (!iw)
797         {
798                 fprintf(stderr, "No such wireless device: %s\n", argv[1]);
799                 return 1;
800         }
801
802         for (i = 2; i < argc; i++)
803         {
804                 switch(argv[i][0])
805                 {
806                 case 'i':
807                         print_info(iw, argv[1]);
808                         break;
809
810                 case 's':
811                         print_scanlist(iw, argv[1]);
812                         break;
813
814                 case 't':
815                         print_txpwrlist(iw, argv[1]);
816                         break;
817
818                 case 'f':
819                         print_freqlist(iw, argv[1]);
820                         break;
821
822                 case 'a':
823                         print_assoclist(iw, argv[1]);
824                         break;
825
826                 case 'c':
827                         print_countrylist(iw, argv[1]);
828                         break;
829
830                 default:
831                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
832                         return 1;
833                 }
834         }
835
836         iwinfo_finish();
837
838         return 0;
839 }