7cb90c22c5de8bc302ebb18f89de067e1270ab50
2 * iwinfo - Wireless Information Library - Command line frontend
4 * Copyright (C) 2011 Jo-Philipp Wich <xm@subsignal.org>
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.
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.
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/.
25 static char * format_bssid(unsigned char *mac
)
29 snprintf(buf
, sizeof(buf
), "%02X:%02X:%02X:%02X:%02X:%02X",
30 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5]);
35 static char * format_ssid(char *ssid
)
37 static char buf
[IWINFO_ESSID_MAX_SIZE
+3];
40 snprintf(buf
, sizeof(buf
), "\"%s\"", ssid
);
42 snprintf(buf
, sizeof(buf
), "unknown");
47 static char * format_channel(int ch
)
52 snprintf(buf
, sizeof(buf
), "unknown");
54 snprintf(buf
, sizeof(buf
), "%d", ch
);
59 static char * format_frequency(int freq
)
64 snprintf(buf
, sizeof(buf
), "unknown");
66 snprintf(buf
, sizeof(buf
), "%.3f GHz", ((float)freq
/ 1000.0));
71 static char * format_txpower(int pwr
)
76 snprintf(buf
, sizeof(buf
), "unknown");
78 snprintf(buf
, sizeof(buf
), "%d dBm", pwr
);
83 static char * format_quality(int qual
)
88 snprintf(buf
, sizeof(buf
), "unknown");
90 snprintf(buf
, sizeof(buf
), "%d", qual
);
95 static char * format_quality_max(int qmax
)
100 snprintf(buf
, sizeof(buf
), "unknown");
102 snprintf(buf
, sizeof(buf
), "%d", qmax
);
107 static char * format_signal(int sig
)
112 snprintf(buf
, sizeof(buf
), "unknown");
114 snprintf(buf
, sizeof(buf
), "%d dBm", sig
);
119 static char * format_noise(int noise
)
124 snprintf(buf
, sizeof(buf
), "unknown");
126 snprintf(buf
, sizeof(buf
), "%d dBm", noise
);
131 static char * format_rate(int rate
)
136 snprintf(buf
, sizeof(buf
), "unknown");
138 snprintf(buf
, sizeof(buf
), "%d.%d MBit/s",
139 rate
/ 1000, (rate
% 1000) / 100);
144 static char * format_enc_ciphers(int ciphers
)
146 static char str
[128] = { 0 };
149 if (ciphers
& IWINFO_CIPHER_WEP40
)
150 pos
+= sprintf(pos
, "WEP-40, ");
152 if (ciphers
& IWINFO_CIPHER_WEP104
)
153 pos
+= sprintf(pos
, "WEP-104, ");
155 if (ciphers
& IWINFO_CIPHER_TKIP
)
156 pos
+= sprintf(pos
, "TKIP, ");
158 if (ciphers
& IWINFO_CIPHER_CCMP
)
159 pos
+= sprintf(pos
, "CCMP, ");
161 if (ciphers
& IWINFO_CIPHER_WRAP
)
162 pos
+= sprintf(pos
, "WRAP, ");
164 if (ciphers
& IWINFO_CIPHER_AESOCB
)
165 pos
+= sprintf(pos
, "AES-OCB, ");
167 if (ciphers
& IWINFO_CIPHER_CKIP
)
168 pos
+= sprintf(pos
, "CKIP, ");
170 if (!ciphers
|| (ciphers
& IWINFO_CIPHER_NONE
))
171 pos
+= sprintf(pos
, "NONE, ");
178 static char * format_enc_suites(int suites
)
180 static char str
[64] = { 0 };
183 if (suites
& IWINFO_KMGMT_PSK
)
184 pos
+= sprintf(pos
, "PSK/");
186 if (suites
& IWINFO_KMGMT_8021x
)
187 pos
+= sprintf(pos
, "802.1X/");
189 if (!suites
|| (suites
& IWINFO_KMGMT_NONE
))
190 pos
+= sprintf(pos
, "NONE/");
197 static char * format_encryption(struct iwinfo_crypto_entry
*c
)
199 static char buf
[512];
203 snprintf(buf
, sizeof(buf
), "unknown");
208 if (c
->auth_algs
&& !c
->wpa_version
)
210 if ((c
->auth_algs
& IWINFO_AUTH_OPEN
) &&
211 (c
->auth_algs
& IWINFO_AUTH_SHARED
))
213 snprintf(buf
, sizeof(buf
), "WEP Open/Shared (%s)",
214 format_enc_ciphers(c
->pair_ciphers
));
216 else if (c
->auth_algs
& IWINFO_AUTH_OPEN
)
218 snprintf(buf
, sizeof(buf
), "WEP Open System (%s)",
219 format_enc_ciphers(c
->pair_ciphers
));
221 else if (c
->auth_algs
& IWINFO_AUTH_SHARED
)
223 snprintf(buf
, sizeof(buf
), "WEP Shared Auth (%s)",
224 format_enc_ciphers(c
->pair_ciphers
));
229 else if (c
->wpa_version
)
231 switch (c
->wpa_version
) {
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
));
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
));
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
));
253 snprintf(buf
, sizeof(buf
), "none");
258 snprintf(buf
, sizeof(buf
), "none");
264 static char * format_hwmodes(int modes
)
269 snprintf(buf
, sizeof(buf
), "unknown");
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" : "");
281 static char * format_assocrate(struct iwinfo_rate_entry
*r
)
289 snprintf(buf
, sizeof(buf
), "unknown");
293 p
+= snprintf(p
, l
, "%s", format_rate(r
->rate
));
294 l
= sizeof(buf
) - (p
- buf
);
298 p
+= snprintf(p
, l
, ", MCS %d, %dMHz", r
->mcs
, 20 + r
->is_40mhz
*20);
299 l
= sizeof(buf
) - (p
- buf
);
302 p
+= snprintf(p
, l
, ", short GI");
310 static const char * print_type(const struct iwinfo_ops
*iw
, const char *ifname
)
312 const char *type
= iwinfo_type(ifname
);
313 return type
? type
: "unknown";
316 static char * print_hardware_id(const struct iwinfo_ops
*iw
, const char *ifname
)
319 struct iwinfo_hardware_id ids
;
321 if (!iw
->hardware_id(ifname
, (char *)&ids
))
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
);
329 snprintf(buf
, sizeof(buf
), "unknown");
335 static char * print_hardware_name(const struct iwinfo_ops
*iw
, const char *ifname
)
337 static char buf
[128];
339 if (iw
->hardware_name(ifname
, buf
))
340 snprintf(buf
, sizeof(buf
), "unknown");
345 static char * print_txpower_offset(const struct iwinfo_ops
*iw
, const char *ifname
)
350 if (iw
->txpower_offset(ifname
, &off
))
351 snprintf(buf
, sizeof(buf
), "unknown");
353 snprintf(buf
, sizeof(buf
), "%d dB", off
);
355 snprintf(buf
, sizeof(buf
), "none");
360 static char * print_frequency_offset(const struct iwinfo_ops
*iw
, const char *ifname
)
365 if (iw
->frequency_offset(ifname
, &off
))
366 snprintf(buf
, sizeof(buf
), "unknown");
368 snprintf(buf
, sizeof(buf
), "%.3f GHz", ((float)off
/ 1000.0));
370 snprintf(buf
, sizeof(buf
), "none");
375 static char * print_ssid(const struct iwinfo_ops
*iw
, const char *ifname
)
377 char buf
[IWINFO_ESSID_MAX_SIZE
+1] = { 0 };
379 if (iw
->ssid(ifname
, buf
))
380 memset(buf
, 0, sizeof(buf
));
382 return format_ssid(buf
);
385 static char * print_bssid(const struct iwinfo_ops
*iw
, const char *ifname
)
387 static char buf
[18] = { 0 };
389 if (iw
->bssid(ifname
, buf
))
390 snprintf(buf
, sizeof(buf
), "00:00:00:00:00:00");
395 static char * print_mode(const struct iwinfo_ops
*iw
, const char *ifname
)
398 static char buf
[128];
400 if (iw
->mode(ifname
, &mode
))
401 mode
= IWINFO_OPMODE_UNKNOWN
;
403 snprintf(buf
, sizeof(buf
), "%s", IWINFO_OPMODE_NAMES
[mode
]);
408 static char * print_channel(const struct iwinfo_ops
*iw
, const char *ifname
)
411 if (iw
->channel(ifname
, &ch
))
414 return format_channel(ch
);
417 static char * print_frequency(const struct iwinfo_ops
*iw
, const char *ifname
)
420 if (iw
->frequency(ifname
, &freq
))
423 return format_frequency(freq
);
426 static char * print_txpower(const struct iwinfo_ops
*iw
, const char *ifname
)
429 if (iw
->txpower_offset(ifname
, &off
))
432 if (iw
->txpower(ifname
, &pwr
))
437 return format_txpower(pwr
);
440 static char * print_quality(const struct iwinfo_ops
*iw
, const char *ifname
)
443 if (iw
->quality(ifname
, &qual
))
446 return format_quality(qual
);
449 static char * print_quality_max(const struct iwinfo_ops
*iw
, const char *ifname
)
452 if (iw
->quality_max(ifname
, &qmax
))
455 return format_quality_max(qmax
);
458 static char * print_signal(const struct iwinfo_ops
*iw
, const char *ifname
)
461 if (iw
->signal(ifname
, &sig
))
464 return format_signal(sig
);
467 static char * print_noise(const struct iwinfo_ops
*iw
, const char *ifname
)
470 if (iw
->noise(ifname
, &noise
))
473 return format_noise(noise
);
476 static char * print_rate(const struct iwinfo_ops
*iw
, const char *ifname
)
479 if (iw
->bitrate(ifname
, &rate
))
482 return format_rate(rate
);
485 static char * print_encryption(const struct iwinfo_ops
*iw
, const char *ifname
)
487 struct iwinfo_crypto_entry c
= { 0 };
488 if (iw
->encryption(ifname
, (char *)&c
))
489 return format_encryption(NULL
);
491 return format_encryption(&c
);
494 static char * print_hwmodes(const struct iwinfo_ops
*iw
, const char *ifname
)
497 if (iw
->hwmodelist(ifname
, &modes
))
500 return format_hwmodes(modes
);
503 static char * print_mbssid_supp(const struct iwinfo_ops
*iw
, const char *ifname
)
508 if (iw
->mbssid_support(ifname
, &supp
))
509 snprintf(buf
, sizeof(buf
), "no");
511 snprintf(buf
, sizeof(buf
), "%s", supp
? "yes" : "no");
516 static char * print_phyname(const struct iwinfo_ops
*iw
, const char *ifname
)
520 if (!iw
->phyname(ifname
, buf
))
527 static void print_info(const struct iwinfo_ops
*iw
, const char *ifname
)
529 printf("%-9s ESSID: %s\n",
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
));
565 static void print_scanlist(const struct iwinfo_ops
*iw
, const char *ifname
)
568 char buf
[IWINFO_BUFSIZE
];
569 struct iwinfo_scanlist_entry
*e
;
571 if (iw
->scanlist(ifname
, buf
, &len
))
573 printf("Scanning not possible\n\n");
578 printf("No scan results\n\n");
582 for (i
= 0, x
= 1; i
< len
; i
+= sizeof(struct iwinfo_scanlist_entry
), x
++)
584 e
= (struct iwinfo_scanlist_entry
*) &buf
[i
];
586 printf("Cell %02d - Address: %s\n",
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
));
604 static void print_txpwrlist(const struct iwinfo_ops
*iw
, const char *ifname
)
606 int len
, pwr
, off
, i
;
607 char buf
[IWINFO_BUFSIZE
];
608 struct iwinfo_txpwrlist_entry
*e
;
610 if (iw
->txpwrlist(ifname
, buf
, &len
) || len
<= 0)
612 printf("No TX power information available\n");
616 if (iw
->txpower(ifname
, &pwr
))
619 if (iw
->txpower_offset(ifname
, &off
))
622 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_txpwrlist_entry
))
624 e
= (struct iwinfo_txpwrlist_entry
*) &buf
[i
];
626 printf("%s%3d dBm (%4d mW)\n",
627 (pwr
== e
->dbm
) ? "*" : " ",
629 iwinfo_dbm2mw(e
->dbm
+ off
));
634 static void print_freqlist(const struct iwinfo_ops
*iw
, const char *ifname
)
637 char buf
[IWINFO_BUFSIZE
];
638 struct iwinfo_freqlist_entry
*e
;
640 if (iw
->freqlist(ifname
, buf
, &len
) || len
<= 0)
642 printf("No frequency information available\n");
646 if (iw
->channel(ifname
, &ch
))
649 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_freqlist_entry
))
651 e
= (struct iwinfo_freqlist_entry
*) &buf
[i
];
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]" : "");
662 static void print_assoclist(const struct iwinfo_ops
*iw
, const char *ifname
)
665 char buf
[IWINFO_BUFSIZE
];
666 struct iwinfo_assoclist_entry
*e
;
668 if (iw
->assoclist(ifname
, buf
, &len
))
670 printf("No information available\n");
675 printf("No station connected\n");
679 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_assoclist_entry
))
681 e
= (struct iwinfo_assoclist_entry
*) &buf
[i
];
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
),
690 printf(" RX: %-38s %8d Pkts.\n",
691 format_assocrate(&e
->rx_rate
),
695 printf(" TX: %-38s %8d Pkts.\n\n",
696 format_assocrate(&e
->tx_rate
),
703 static char * lookup_country(char *buf
, int len
, int iso3166
)
706 struct iwinfo_country_entry
*c
;
708 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_country_entry
))
710 c
= (struct iwinfo_country_entry
*) &buf
[i
];
712 if (c
->iso3166
== iso3166
)
719 static void print_countrylist(const struct iwinfo_ops
*iw
, const char *ifname
)
722 char buf
[IWINFO_BUFSIZE
];
725 const struct iwinfo_iso3166_label
*l
;
727 if (iw
->countrylist(ifname
, buf
, &len
))
729 printf("No country code information available\n");
733 if (iw
->country(ifname
, curcode
))
734 memset(curcode
, 0, sizeof(curcode
));
736 for (l
= IWINFO_ISO3166_NAMES
; l
->iso3166
; l
++)
738 if ((ccode
= lookup_country(buf
, len
, l
->iso3166
)) != NULL
)
740 printf("%s %4s %c%c\n",
741 strncmp(ccode
, curcode
, 2) ? " " : "*",
742 ccode
, (l
->iso3166
/ 256), (l
->iso3166
% 256));
747 static void print_htmodelist(const struct iwinfo_ops
*iw
, const char *ifname
)
751 if (iw
->htmodelist(ifname
, &htmodes
))
753 printf("No HT mode information available\n");
757 for (i
= 0; i
< ARRAY_SIZE(IWINFO_HTMODE_NAMES
); i
++)
758 if (htmodes
& (1 << i
))
759 printf("%s ", IWINFO_HTMODE_NAMES
[i
]);
764 static void lookup_phy(const struct iwinfo_ops
*iw
, const char *section
)
766 char buf
[IWINFO_BUFSIZE
];
770 fprintf(stderr
, "Not supported\n");
774 if (iw
->lookup_phy(section
, buf
))
776 fprintf(stderr
, "Phy not found\n");
784 int main(int argc
, char **argv
)
788 const struct iwinfo_ops
*iw
;
791 if (argc
> 1 && argc
< 3)
795 " iwinfo <device> info\n"
796 " iwinfo <device> scan\n"
797 " iwinfo <device> txpowerlist\n"
798 " iwinfo <device> freqlist\n"
799 " iwinfo <device> assoclist\n"
800 " iwinfo <device> countrylist\n"
801 " iwinfo <device> htmodelist\n"
802 " iwinfo <backend> phyname <section>\n"
810 glob("/sys/class/net/*", 0, NULL
, &globbuf
);
812 for (i
= 0; i
< globbuf
.gl_pathc
; i
++)
814 p
= strrchr(globbuf
.gl_pathv
[i
], '/');
819 iw
= iwinfo_backend(++p
);
834 iw
= iwinfo_backend_by_name(argv
[1]);
838 fprintf(stderr
, "No such wireless backend: %s\n", argv
[1]);
846 lookup_phy(iw
, argv
[3]);
850 fprintf(stderr
, "Unknown command: %s\n", argv
[2]);
857 iw
= iwinfo_backend(argv
[1]);
861 fprintf(stderr
, "No such wireless device: %s\n", argv
[1]);
866 for (i
= 2; i
< argc
; i
++)
871 print_info(iw
, argv
[1]);
875 print_scanlist(iw
, argv
[1]);
879 print_txpwrlist(iw
, argv
[1]);
883 print_freqlist(iw
, argv
[1]);
887 print_assoclist(iw
, argv
[1]);
891 print_countrylist(iw
, argv
[1]);
895 print_htmodelist(iw
, argv
[1]);
899 fprintf(stderr
, "Unknown command: %s\n", argv
[i
]);