/* * iwinfo - Wireless Information Library - Madwifi Backend * * Copyright (C) 2009 Jo-Philipp Wich * * The iwinfo library is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * The iwinfo library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with the iwinfo library. If not, see http://www.gnu.org/licenses/. * * The signal handling code is derived from the official madwifi tools, * wlanconfig.c in particular. The encryption property handling was * inspired by the hostapd madwifi driver. */ #include "iwinfo_madwifi.h" #include "iwinfo_wext.h" /* * Madwifi ISO 3166 to Country/Region Code mapping. */ static struct ISO3166_to_CCode { u_int16_t iso3166; u_int16_t ccode; } CountryCodes[] = { { 0x3030 /* 00 */, 0 }, /* World */ { 0x4145 /* AE */, 784 }, /* U.A.E. */ { 0x414C /* AL */, 8 }, /* Albania */ { 0x414D /* AM */, 51 }, /* Armenia */ { 0x4152 /* AR */, 32 }, /* Argentina */ { 0x4154 /* AT */, 40 }, /* Austria */ { 0x4155 /* AU */, 36 }, /* Australia */ { 0x415A /* AZ */, 31 }, /* Azerbaijan */ { 0x4245 /* BE */, 56 }, /* Belgium */ { 0x4247 /* BG */, 100 }, /* Bulgaria */ { 0x4248 /* BH */, 48 }, /* Bahrain */ { 0x424E /* BN */, 96 }, /* Brunei Darussalam */ { 0x424F /* BO */, 68 }, /* Bolivia */ { 0x4252 /* BR */, 76 }, /* Brazil */ { 0x4259 /* BY */, 112 }, /* Belarus */ { 0x425A /* BZ */, 84 }, /* Belize */ { 0x4341 /* CA */, 124 }, /* Canada */ { 0x4348 /* CH */, 756 }, /* Switzerland */ { 0x434C /* CL */, 152 }, /* Chile */ { 0x434E /* CN */, 156 }, /* People's Republic of China */ { 0x434F /* CO */, 170 }, /* Colombia */ { 0x4352 /* CR */, 188 }, /* Costa Rica */ { 0x4359 /* CY */, 196 }, /* Cyprus */ { 0x435A /* CZ */, 203 }, /* Czech Republic */ { 0x4445 /* DE */, 276 }, /* Germany */ { 0x444B /* DK */, 208 }, /* Denmark */ { 0x444F /* DO */, 214 }, /* Dominican Republic */ { 0x445A /* DZ */, 12 }, /* Algeria */ { 0x4543 /* EC */, 218 }, /* Ecuador */ { 0x4545 /* EE */, 233 }, /* Estonia */ { 0x4547 /* EG */, 818 }, /* Egypt */ { 0x4553 /* ES */, 724 }, /* Spain */ { 0x4649 /* FI */, 246 }, /* Finland */ { 0x464F /* FO */, 234 }, /* Faeroe Islands */ { 0x4652 /* FR */, 250 }, /* France */ { 0x4652 /* FR */, 255 }, /* France2 */ { 0x4742 /* GB */, 826 }, /* United Kingdom */ { 0x4745 /* GE */, 268 }, /* Georgia */ { 0x4752 /* GR */, 300 }, /* Greece */ { 0x4754 /* GT */, 320 }, /* Guatemala */ { 0x484B /* HK */, 344 }, /* Hong Kong S.A.R., P.R.C. */ { 0x484E /* HN */, 340 }, /* Honduras */ { 0x4852 /* HR */, 191 }, /* Croatia */ { 0x4855 /* HU */, 348 }, /* Hungary */ { 0x4944 /* ID */, 360 }, /* Indonesia */ { 0x4945 /* IE */, 372 }, /* Ireland */ { 0x494C /* IL */, 376 }, /* Israel */ { 0x494E /* IN */, 356 }, /* India */ { 0x4951 /* IQ */, 368 }, /* Iraq */ { 0x4952 /* IR */, 364 }, /* Iran */ { 0x4953 /* IS */, 352 }, /* Iceland */ { 0x4954 /* IT */, 380 }, /* Italy */ { 0x4A4D /* JM */, 388 }, /* Jamaica */ { 0x4A4F /* JO */, 400 }, /* Jordan */ { 0x4A50 /* JP */, 392 }, /* Japan */ { 0x4A50 /* JP */, 393 }, /* Japan (JP1) */ { 0x4A50 /* JP */, 394 }, /* Japan (JP0) */ { 0x4A50 /* JP */, 395 }, /* Japan (JP1-1) */ { 0x4A50 /* JP */, 396 }, /* Japan (JE1) */ { 0x4A50 /* JP */, 397 }, /* Japan (JE2) */ { 0x4A50 /* JP */, 399 }, /* Japan (JP6) */ { 0x4A50 /* JP */, 900 }, /* Japan */ { 0x4A50 /* JP */, 901 }, /* Japan */ { 0x4A50 /* JP */, 902 }, /* Japan */ { 0x4A50 /* JP */, 903 }, /* Japan */ { 0x4A50 /* JP */, 904 }, /* Japan */ { 0x4A50 /* JP */, 905 }, /* Japan */ { 0x4A50 /* JP */, 906 }, /* Japan */ { 0x4A50 /* JP */, 907 }, /* Japan */ { 0x4A50 /* JP */, 908 }, /* Japan */ { 0x4A50 /* JP */, 909 }, /* Japan */ { 0x4A50 /* JP */, 910 }, /* Japan */ { 0x4A50 /* JP */, 911 }, /* Japan */ { 0x4A50 /* JP */, 912 }, /* Japan */ { 0x4A50 /* JP */, 913 }, /* Japan */ { 0x4A50 /* JP */, 914 }, /* Japan */ { 0x4A50 /* JP */, 915 }, /* Japan */ { 0x4A50 /* JP */, 916 }, /* Japan */ { 0x4A50 /* JP */, 917 }, /* Japan */ { 0x4A50 /* JP */, 918 }, /* Japan */ { 0x4A50 /* JP */, 919 }, /* Japan */ { 0x4A50 /* JP */, 920 }, /* Japan */ { 0x4A50 /* JP */, 921 }, /* Japan */ { 0x4A50 /* JP */, 922 }, /* Japan */ { 0x4A50 /* JP */, 923 }, /* Japan */ { 0x4A50 /* JP */, 924 }, /* Japan */ { 0x4A50 /* JP */, 925 }, /* Japan */ { 0x4A50 /* JP */, 926 }, /* Japan */ { 0x4A50 /* JP */, 927 }, /* Japan */ { 0x4A50 /* JP */, 928 }, /* Japan */ { 0x4A50 /* JP */, 929 }, /* Japan */ { 0x4A50 /* JP */, 930 }, /* Japan */ { 0x4A50 /* JP */, 931 }, /* Japan */ { 0x4A50 /* JP */, 932 }, /* Japan */ { 0x4A50 /* JP */, 933 }, /* Japan */ { 0x4A50 /* JP */, 934 }, /* Japan */ { 0x4A50 /* JP */, 935 }, /* Japan */ { 0x4A50 /* JP */, 936 }, /* Japan */ { 0x4A50 /* JP */, 937 }, /* Japan */ { 0x4A50 /* JP */, 938 }, /* Japan */ { 0x4A50 /* JP */, 939 }, /* Japan */ { 0x4A50 /* JP */, 940 }, /* Japan */ { 0x4A50 /* JP */, 941 }, /* Japan */ { 0x4B45 /* KE */, 404 }, /* Kenya */ { 0x4B50 /* KP */, 408 }, /* North Korea */ { 0x4B52 /* KR */, 410 }, /* South Korea */ { 0x4B52 /* KR */, 411 }, /* South Korea */ { 0x4B57 /* KW */, 414 }, /* Kuwait */ { 0x4B5A /* KZ */, 398 }, /* Kazakhstan */ { 0x4C42 /* LB */, 422 }, /* Lebanon */ { 0x4C49 /* LI */, 438 }, /* Liechtenstein */ { 0x4C54 /* LT */, 440 }, /* Lithuania */ { 0x4C55 /* LU */, 442 }, /* Luxembourg */ { 0x4C56 /* LV */, 428 }, /* Latvia */ { 0x4C59 /* LY */, 434 }, /* Libya */ { 0x4D41 /* MA */, 504 }, /* Morocco */ { 0x4D43 /* MC */, 492 }, /* Principality of Monaco */ { 0x4D4B /* MK */, 807 }, /* the Former Yugoslav Republic of Macedonia */ { 0x4D4F /* MO */, 446 }, /* Macau */ { 0x4D58 /* MX */, 484 }, /* Mexico */ { 0x4D59 /* MY */, 458 }, /* Malaysia */ { 0x4E49 /* NI */, 558 }, /* Nicaragua */ { 0x4E4C /* NL */, 528 }, /* Netherlands */ { 0x4E4F /* NO */, 578 }, /* Norway */ { 0x4E5A /* NZ */, 554 }, /* New Zealand */ { 0x4F4D /* OM */, 512 }, /* Oman */ { 0x5041 /* PA */, 591 }, /* Panama */ { 0x5045 /* PE */, 604 }, /* Peru */ { 0x5048 /* PH */, 608 }, /* Republic of the Philippines */ { 0x504B /* PK */, 586 }, /* Islamic Republic of Pakistan */ { 0x504C /* PL */, 616 }, /* Poland */ { 0x5052 /* PR */, 630 }, /* Puerto Rico */ { 0x5054 /* PT */, 620 }, /* Portugal */ { 0x5059 /* PY */, 600 }, /* Paraguay */ { 0x5141 /* QA */, 634 }, /* Qatar */ { 0x524F /* RO */, 642 }, /* Romania */ { 0x5255 /* RU */, 643 }, /* Russia */ { 0x5341 /* SA */, 682 }, /* Saudi Arabia */ { 0x5345 /* SE */, 752 }, /* Sweden */ { 0x5347 /* SG */, 702 }, /* Singapore */ { 0x5349 /* SI */, 705 }, /* Slovenia */ { 0x534B /* SK */, 703 }, /* Slovak Republic */ { 0x5356 /* SV */, 222 }, /* El Salvador */ { 0x5359 /* SY */, 760 }, /* Syria */ { 0x5448 /* TH */, 764 }, /* Thailand */ { 0x544E /* TN */, 788 }, /* Tunisia */ { 0x5452 /* TR */, 792 }, /* Turkey */ { 0x5454 /* TT */, 780 }, /* Trinidad y Tobago */ { 0x5457 /* TW */, 158 }, /* Taiwan */ { 0x5541 /* UA */, 804 }, /* Ukraine */ { 0x554B /* UK */, 826 }, /* United Kingdom */ { 0x5553 /* US */, 840 }, /* United States */ { 0x5553 /* US */, 842 }, /* United States (Public Safety)*/ { 0x5559 /* UY */, 858 }, /* Uruguay */ { 0x555A /* UZ */, 860 }, /* Uzbekistan */ { 0x5645 /* VE */, 862 }, /* Venezuela */ { 0x564E /* VN */, 704 }, /* Viet Nam */ { 0x5945 /* YE */, 887 }, /* Yemen */ { 0x5A41 /* ZA */, 710 }, /* South Africa */ { 0x5A57 /* ZW */, 716 }, /* Zimbabwe */ }; static int ioctl_socket = -1; static int madwifi_ioctl(struct iwreq *wrq, const char *ifname, int cmd, void *data, size_t len) { /* prepare socket */ if( ioctl_socket == -1 ) { ioctl_socket = socket(AF_INET, SOCK_DGRAM, 0); fcntl(ioctl_socket, F_SETFD, fcntl(ioctl_socket, F_GETFD) | FD_CLOEXEC); } strncpy(wrq->ifr_name, ifname, IFNAMSIZ); if( data != NULL ) { if( len < IFNAMSIZ ) { memcpy(wrq->u.name, data, len); } else { wrq->u.data.pointer = data; wrq->u.data.length = len; } } return ioctl(ioctl_socket, cmd, wrq); } static int get80211priv(const char *ifname, int op, void *data, size_t len) { struct iwreq iwr; if( madwifi_ioctl(&iwr, ifname, op, data, len) < 0 ) return -1; return iwr.u.data.length; } static char * madwifi_isvap(const char *ifname, const char *wifiname) { int fd, ln; char path[32]; char *ret = NULL; static char name[IFNAMSIZ]; if( strlen(ifname) <= 9 ) { sprintf(path, "/proc/sys/net/%s/%%parent", ifname); if( (fd = open(path, O_RDONLY)) > -1 ) { if( wifiname != NULL ) { if( read(fd, name, strlen(wifiname)) == strlen(wifiname) ) ret = strncmp(name, wifiname, strlen(wifiname)) ? NULL : name; } else if( (ln = read(fd, name, IFNAMSIZ)) >= 4 ) { name[ln-1] = 0; ret = name; } (void) close(fd); } } return ret; } static int madwifi_iswifi(const char *ifname) { int ret; char path[32]; struct stat s; ret = 0; if( strlen(ifname) <= 7 ) { sprintf(path, "/proc/sys/dev/%s/diversity", ifname); if( ! stat(path, &s) ) ret = (s.st_mode & S_IFREG); } return ret; } int madwifi_probe(const char *ifname) { return ( !!madwifi_isvap(ifname, NULL) || madwifi_iswifi(ifname) ); } void madwifi_close(void) { if( ioctl_socket > -1 ) close(ioctl_socket); } int madwifi_get_mode(const char *ifname, char *buf) { return wext_get_mode(ifname, buf); } int madwifi_get_ssid(const char *ifname, char *buf) { return wext_get_ssid(ifname, buf); } int madwifi_get_bssid(const char *ifname, char *buf) { return wext_get_bssid(ifname, buf); } int madwifi_get_channel(const char *ifname, int *buf) { int i; uint16_t freq; struct iwreq wrq; struct ieee80211req_chaninfo chans; if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 ) { /* Madwifi returns a Hz frequency, get it's freq list to find channel index */ freq = (uint16_t)(wrq.u.freq.m / 100000); if( get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans)) >= 0 ) { *buf = 0; for( i = 0; i < chans.ic_nchans; i++ ) { if( freq == chans.ic_chans[i].ic_freq ) { *buf = chans.ic_chans[i].ic_ieee; break; } } return 0; } } return -1; } int madwifi_get_frequency(const char *ifname, int *buf) { struct iwreq wrq; if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 ) { *buf = (uint16_t)(wrq.u.freq.m / 100000); return 0; } return -1; } int madwifi_get_txpower(const char *ifname, int *buf) { return wext_get_txpower(ifname, buf); } int madwifi_get_bitrate(const char *ifname, int *buf) { unsigned int mode, len, rate, rate_count; uint8_t tmp[24*1024]; uint8_t *cp; struct iwreq wrq; struct ieee80211req_sta_info *si; if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 ) { mode = wrq.u.mode; /* Calculate bitrate average from associated stations in ad-hoc mode */ if( mode == 1 ) { rate = rate_count = 0; if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 ) { cp = tmp; do { si = (struct ieee80211req_sta_info *) cp; if( si->isi_rssi > 0 ) { rate_count++; rate += ((si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL) / 2); } cp += si->isi_len; len -= si->isi_len; } while (len >= sizeof(struct ieee80211req_sta_info)); } *buf = (rate == 0 || rate_count == 0) ? 0 : (rate / rate_count) * 1000; return 0; } /* Return whatever wext tells us ... */ return wext_get_bitrate(ifname, buf); } return -1; } int madwifi_get_signal(const char *ifname, int *buf) { unsigned int mode, len, rssi, rssi_count; uint8_t tmp[24*1024]; uint8_t *cp; struct iwreq wrq; struct ieee80211req_sta_info *si; if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 ) { mode = wrq.u.mode; /* Calculate signal average from associated stations in ap or ad-hoc mode */ if( mode == 1 ) { rssi = rssi_count = 0; if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 ) { cp = tmp; do { si = (struct ieee80211req_sta_info *) cp; if( si->isi_rssi > 0 ) { rssi_count++; rssi -= (si->isi_rssi - 95); } cp += si->isi_len; len -= si->isi_len; } while (len >= sizeof(struct ieee80211req_sta_info)); } *buf = (rssi == 0 || rssi_count == 0) ? 1 : -(rssi / rssi_count); return 0; } /* Return whatever wext tells us ... */ return wext_get_signal(ifname, buf); } return -1; } int madwifi_get_noise(const char *ifname, int *buf) { return wext_get_noise(ifname, buf); } int madwifi_get_quality(const char *ifname, int *buf) { unsigned int mode, len, quality, quality_count; uint8_t tmp[24*1024]; uint8_t *cp; struct iwreq wrq; struct ieee80211req_sta_info *si; if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 ) { mode = wrq.u.mode; /* Calculate signal average from associated stations in ad-hoc mode */ if( mode == 1 ) { quality = quality_count = 0; if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 ) { cp = tmp; do { si = (struct ieee80211req_sta_info *) cp; if( si->isi_rssi > 0 ) { quality_count++; quality += si->isi_rssi; } cp += si->isi_len; len -= si->isi_len; } while (len >= sizeof(struct ieee80211req_sta_info)); } *buf = (quality == 0 || quality_count == 0) ? 0 : (quality / quality_count); return 0; } /* Return whatever wext tells us ... */ return wext_get_quality(ifname, buf); } return -1; } int madwifi_get_quality_max(const char *ifname, int *buf) { return wext_get_quality_max(ifname, buf); } int madwifi_get_encryption(const char *ifname, char *buf) { int ciphers = 0, key_type = 0, key_len = 0; struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf; struct iwreq wrq; struct ieee80211req_key wk; memset(&wrq, 0, sizeof(wrq)); memset(&wk, 0, sizeof(wk)); memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); /* Get key information */ if( get80211priv(ifname, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk)) >= 0 ) { key_type = wk.ik_type; /* Type 0 == WEP */ if( key_type == 0 ) c->auth_algs = (IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED); } /* Get wpa protocol version */ wrq.u.mode = IEEE80211_PARAM_WPA; if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) c->wpa_version = wrq.u.mode; /* Get authentication suites */ wrq.u.mode = IEEE80211_PARAM_AUTHMODE; if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) { switch(wrq.u.mode) { case IEEE80211_AUTH_8021X: c->auth_suites |= IWINFO_KMGMT_8021x; break; case IEEE80211_AUTH_WPA: c->auth_suites |= IWINFO_KMGMT_PSK; break; default: c->auth_suites |= IWINFO_KMGMT_NONE; break; } } /* Get group key length */ wrq.u.mode = IEEE80211_PARAM_MCASTKEYLEN; if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) key_len = wrq.u.mode; /* Get used pairwise ciphers */ wrq.u.mode = IEEE80211_PARAM_UCASTCIPHERS; if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) { ciphers = wrq.u.mode; if( ciphers & (1 << IEEE80211_CIPHER_TKIP) ) c->pair_ciphers |= IWINFO_CIPHER_TKIP; if( ciphers & (1 << IEEE80211_CIPHER_AES_CCM) ) c->pair_ciphers |= IWINFO_CIPHER_CCMP; if( ciphers & (1 << IEEE80211_CIPHER_AES_OCB) ) c->pair_ciphers |= IWINFO_CIPHER_AESOCB; if( ciphers & (1 << IEEE80211_CIPHER_CKIP) ) c->pair_ciphers |= IWINFO_CIPHER_CKIP; if( ciphers & (1 << IEEE80211_CIPHER_WEP) ) { switch(key_len) { case 13: c->pair_ciphers |= IWINFO_CIPHER_WEP104; break; case 5: c->pair_ciphers |= IWINFO_CIPHER_WEP40; break; default: break; } } if( ciphers & (1 << IEEE80211_CIPHER_NONE) ) c->pair_ciphers |= IWINFO_CIPHER_NONE; } /* Get used group cipher */ wrq.u.mode = IEEE80211_PARAM_MCASTCIPHER; if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) { ciphers = wrq.u.mode; switch(wrq.u.mode) { case IEEE80211_CIPHER_TKIP: c->group_ciphers |= IWINFO_CIPHER_TKIP; break; case IEEE80211_CIPHER_AES_CCM: c->group_ciphers |= IWINFO_CIPHER_CCMP; break; case IEEE80211_CIPHER_AES_OCB: c->group_ciphers |= IWINFO_CIPHER_AESOCB; break; case IEEE80211_CIPHER_CKIP: c->group_ciphers |= IWINFO_CIPHER_CKIP; break; case IEEE80211_CIPHER_WEP: switch(key_len) { case 13: c->group_ciphers |= IWINFO_CIPHER_WEP104; break; case 5: c->group_ciphers |= IWINFO_CIPHER_WEP40; break; default: break; } break; case IEEE80211_CIPHER_NONE: c->group_ciphers |= IWINFO_CIPHER_NONE; break; default: break; } } c->enabled = (c->wpa_version || c->auth_algs) ? 1 : 0; return 0; } int madwifi_get_assoclist(const char *ifname, char *buf, int *len) { int bl, tl, noise; uint8_t *cp; uint8_t tmp[24*1024]; struct ieee80211req_sta_info *si; struct iwinfo_assoclist_entry entry; if( (tl = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 ) { cp = tmp; bl = 0; if( madwifi_get_noise(ifname, &noise) ) noise = 0; do { si = (struct ieee80211req_sta_info *) cp; entry.signal = (si->isi_rssi - 95); entry.noise = noise; memcpy(entry.mac, &si->isi_macaddr, 6); memcpy(&buf[bl], &entry, sizeof(struct iwinfo_assoclist_entry)); bl += sizeof(struct iwinfo_assoclist_entry); cp += si->isi_len; tl -= si->isi_len; } while (tl >= sizeof(struct ieee80211req_sta_info)); *len = bl; return 0; } return -1; } int madwifi_get_txpwrlist(const char *ifname, char *buf, int *len) { int rc = -1; char cmd[256]; /* A wifiX device? */ if( madwifi_iswifi(ifname) ) { sprintf(cmd, "wlanconfig ath-txpwr create nounit " "wlandev %s wlanmode ap >/dev/null", ifname); if( ! WEXITSTATUS(system(cmd)) ) { rc = wext_get_txpwrlist("ath-txpwr", buf, len); (void) WEXITSTATUS(system("wlanconfig ath-txpwr destroy")); } } /* Its an athX ... */ else if( !!madwifi_isvap(ifname, NULL) ) { rc = wext_get_txpwrlist(ifname, buf, len); } return rc; } int madwifi_get_scanlist(const char *ifname, char *buf, int *len) { int ret; char cmd[256]; DIR *proc; struct dirent *e; ret = -1; /* We got a wifiX device passed, try to lookup a vap on it */ if( madwifi_iswifi(ifname) ) { if( (proc = opendir("/proc/sys/net/")) != NULL ) { while( (e = readdir(proc)) != NULL ) { if( !!madwifi_isvap(e->d_name, ifname) ) { sprintf(cmd, "ifconfig %s up", e->d_name); if( ! WEXITSTATUS(system(cmd)) ) { ret = wext_get_scanlist(e->d_name, buf, len); break; } } } closedir(proc); } /* Still nothing found, try to create a vap */ if( ret == -1 ) { sprintf(cmd, "wlanconfig ath-scan create nounit " "wlandev %s wlanmode sta >/dev/null", ifname); if( ! WEXITSTATUS(system(cmd)) && ! WEXITSTATUS(system("ifconfig ath-scan up")) ) { ret = wext_get_scanlist("ath-scan", buf, len); (void) WEXITSTATUS(system("ifconfig ath-scan down")); (void) WEXITSTATUS(system("wlanconfig ath-scan destroy")); } } } /* Got athX device? */ else if( !!madwifi_isvap(ifname, NULL) ) { ret = wext_get_scanlist(ifname, buf, len); } return ret; } int madwifi_get_freqlist(const char *ifname, char *buf, int *len) { int i, bl; int rc = -1; char cmd[256]; struct ieee80211req_chaninfo chans; struct iwinfo_freqlist_entry entry; /* A wifiX device? */ if( madwifi_iswifi(ifname) ) { sprintf(cmd, "wlanconfig ath-channels create nounit " "wlandev %s wlanmode ap >/dev/null", ifname); if( ! WEXITSTATUS(system(cmd)) ) { rc = get80211priv("ath-channels", IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans)); (void) WEXITSTATUS(system("wlanconfig ath-channels destroy")); } } /* Its an athX ... */ else if( !!madwifi_isvap(ifname, NULL) ) { rc = get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans)); } /* Got chaninfo? */ if( rc >= 0 ) { bl = 0; for( i = 0; i < chans.ic_nchans; i++ ) { entry.mhz = chans.ic_chans[i].ic_freq; entry.channel = chans.ic_chans[i].ic_ieee; entry.restricted = 0; memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry)); bl += sizeof(struct iwinfo_freqlist_entry); } *len = bl; return 0; } return -1; } int madwifi_get_country(const char *ifname, char *buf) { int i, fd, ccode = -1; char buffer[34]; char *wifi = madwifi_iswifi(ifname) ? (char *)ifname : madwifi_isvap(ifname, NULL); struct ISO3166_to_CCode *e; if( wifi ) { snprintf(buffer, sizeof(buffer), "/proc/sys/dev/%s/countrycode", wifi); if( (fd = open(buffer, O_RDONLY)) > -1 ) { memset(buffer, 0, sizeof(buffer)); if( read(fd, buffer, sizeof(buffer)-1) > 0 ) ccode = atoi(buffer); close(fd); } } for( i = 0; i < (sizeof(CountryCodes)/sizeof(CountryCodes[0])); i++ ) { e = &CountryCodes[i]; if( e->ccode == ccode ) { sprintf(buf, "%c%c", e->iso3166 / 256, e->iso3166 % 256); return 0; } } return -1; } int madwifi_get_countrylist(const char *ifname, char *buf, int *len) { int i, count; struct ISO3166_to_CCode *e, *p = NULL; struct iwinfo_country_entry *c = (struct iwinfo_country_entry *)buf; count = 0; for( int i = 0; i < (sizeof(CountryCodes)/sizeof(CountryCodes[0])); i++ ) { e = &CountryCodes[i]; if( !p || (e->iso3166 != p->iso3166) ) { c->iso3166 = e->iso3166; snprintf(c->ccode, sizeof(c->ccode), "%i", e->ccode); c++; count++; } p = e; } *len = (count * sizeof(struct iwinfo_country_entry)); return 0; } int madwifi_get_hwmodelist(const char *ifname, int *buf) { char chans[IWINFO_BUFSIZE] = { 0 }; struct iwinfo_freqlist_entry *e = NULL; int len = 0; if( !madwifi_get_freqlist(ifname, &chans, &len) ) { for( e = (struct iwinfo_freqlist_entry *)chans; e->channel; e++ ) { if( e->channel <= 14 ) { *buf |= IWINFO_80211_B; *buf |= IWINFO_80211_G; } else { *buf |= IWINFO_80211_A; } } return 0; } return -1; } int madwifi_get_mbssid_support(const char *ifname, int *buf) { /* We assume that multi bssid is always possible */ *buf = 1; return 0; }