Mirror of the official iwinfo project repository by OpenWrt https://git.openwrt.org/project/iwinfo
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/*
* iwinfo - Wireless Information Library - Madwifi Backend
*
* Copyright (C) 2009-2010 Jo-Philipp Wich <xm@subsignal.org>
*
* 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_wext.h"
#include "api/madwifi.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 const char * madwifi_phyname(const char *ifname)
{
static char phyname[IFNAMSIZ];
if (strlen(ifname) > 5 && !strncmp(ifname, "radio", 5))
snprintf(phyname, sizeof(phyname), "wifi%s", ifname + 5);
else
snprintf(phyname, sizeof(phyname), "%s", ifname);
return (const char *)phyname;
}
static int madwifi_wrq(struct iwreq *wrq, const char *ifname, int cmd, void *data, size_t len)
{
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 iwinfo_ioctl(cmd, wrq);
}
static int get80211priv(const char *ifname, int op, void *data, size_t len)
{
struct iwreq iwr;
if( madwifi_wrq(&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;
const char *phy;
ret = 0;
phy = madwifi_phyname(ifname);
if( strlen(phy) <= 7 )
{
sprintf(path, "/proc/sys/dev/%s/diversity", phy);
if( ! stat(path, &s) )
ret = (s.st_mode & S_IFREG);
}
return ret;
}
static char * madwifi_ifadd(const char *ifname)
{
const char *wifidev = NULL;
struct ifreq ifr = { 0 };
struct ieee80211_clone_params cp = { 0 };
static char nif[IFNAMSIZ] = { 0 };
if( !(wifidev = madwifi_isvap(ifname, NULL)) && madwifi_iswifi(ifname) )
wifidev = madwifi_phyname(ifname);
if( wifidev )
{
snprintf(nif, sizeof(nif), "tmp.%s", ifname);
strncpy(cp.icp_name, nif, IFNAMSIZ);
cp.icp_opmode = IEEE80211_M_STA;
cp.icp_flags = IEEE80211_CLONE_BSSID;
strncpy(ifr.ifr_name, wifidev, IFNAMSIZ);
ifr.ifr_data = (void *)&cp;
if( !iwinfo_ioctl(SIOC80211IFCREATE, &ifr) )
{
return nif;
}
else
{
cp.icp_opmode = IEEE80211_M_MONITOR;
if( !iwinfo_ioctl(SIOC80211IFCREATE, &ifr) )
return nif;
}
}
return NULL;
}
static void madwifi_ifdel(const char *ifname)
{
struct ifreq ifr = { 0 };
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
iwinfo_ioctl(SIOC80211IFDESTROY, &ifr);
}
static int madwifi_probe(const char *ifname)
{
return ( !!madwifi_isvap(ifname, NULL) || madwifi_iswifi(ifname) );
}
static void madwifi_close(void)
{
/* Nop */
}
static int madwifi_get_mode(const char *ifname, int *buf)
{
return wext_ops.mode(ifname, buf);
}
static int madwifi_get_ssid(const char *ifname, char *buf)
{
return wext_ops.ssid(ifname, buf);
}
static int madwifi_get_bssid(const char *ifname, char *buf)
{
return wext_ops.bssid(ifname, buf);
}
static int madwifi_get_channel(const char *ifname, int *buf)
{
int i;
uint16_t freq;
struct iwreq wrq;
struct ieee80211req_chaninfo chans;
if( madwifi_wrq(&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;
}
static int madwifi_get_center_chan1(const char *ifname, int *buf)
{
/* Not Supported */
return -1;
}
static int madwifi_get_center_chan2(const char *ifname, int *buf)
{
/* Not Supported */
return -1;
}
static int madwifi_get_frequency(const char *ifname, int *buf)
{
struct iwreq wrq;
if( madwifi_wrq(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
{
*buf = (uint16_t)(wrq.u.freq.m / 100000);
return 0;
}
return -1;
}
static int madwifi_get_txpower(const char *ifname, int *buf)
{
return wext_ops.txpower(ifname, buf);
}
static 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_wrq(&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_ops.bitrate(ifname, buf);
}
return -1;
}
static 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_wrq(&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_ops.signal(ifname, buf);
}
return -1;
}
static int madwifi_get_noise(const char *ifname, int *buf)
{
return wext_ops.noise(ifname, buf);
}
static 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_wrq(&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_ops.quality(ifname, buf);
}
return -1;
}
static int madwifi_get_quality_max(const char *ifname, int *buf)
{
return wext_ops.quality_max(ifname, buf);
}
static int madwifi_get_encryption(const char *ifname, char *buf)
{
int ciphers = 0, key_len = 0;
char keybuf[IW_ENCODING_TOKEN_MAX];
struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
struct iwreq wrq;
struct ieee80211req_key wk;
memset(&wrq, 0, sizeof(wrq));
/* Obtain key info */
if( madwifi_wrq(&wrq, ifname, SIOCGIWENCODE, keybuf, sizeof(keybuf)) < 0 )
return -1;
#if 0
/* Have any encryption? */
if( (wrq.u.data.flags & IW_ENCODE_DISABLED) || (wrq.u.data.length == 0) )
return 0;
#endif
/* Save key len */
key_len = wrq.u.data.length;
/* Get wpa protocol version */
wrq.u.mode = IEEE80211_PARAM_WPA;
if( madwifi_wrq(&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_wrq(&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;
case IEEE80211_AUTH_OPEN:
c->auth_algs |= IWINFO_AUTH_OPEN;
break;
case IEEE80211_AUTH_SHARED:
c->auth_algs |= IWINFO_AUTH_SHARED;
break;
default:
c->auth_suites |= IWINFO_KMGMT_NONE;
break;
}
}
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 )
{
/* Type 0 == WEP */
if( (wk.ik_type == 0) && (c->auth_algs == 0) )
c->auth_algs = (IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED);
}
/* Get used pairwise ciphers */
wrq.u.mode = IEEE80211_PARAM_UCASTCIPHERS;
if( madwifi_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
ciphers = wrq.u.mode;
if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_TKIP) )
c->pair_ciphers |= IWINFO_CIPHER_TKIP;
if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_AES_CCM) )
c->pair_ciphers |= IWINFO_CIPHER_CCMP;
if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_AES_OCB) )
c->pair_ciphers |= IWINFO_CIPHER_AESOCB;
if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_CKIP) )
c->pair_ciphers |= IWINFO_CIPHER_CKIP;
if( !c->pair_ciphers && 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;
case 0:
break;
default:
c->pair_ciphers = IWINFO_CIPHER_WEP40 |
IWINFO_CIPHER_WEP104;
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_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
ciphers = c->wpa_version ? wrq.u.mode : IEEE80211_CIPHER_WEP;
switch(ciphers) {
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 && c->pair_ciphers)) ? 1 : 0;
return 0;
}
static int madwifi_get_phyname(const char *ifname, char *buf)
{
const char *wifidev;
wifidev = madwifi_isvap(ifname, NULL);
if (wifidev)
{
strcpy(buf, wifidev);
return 0;
}
else if (madwifi_iswifi(ifname))
{
strcpy(buf, madwifi_phyname(ifname));
return 0;
}
return -1;
}
static 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;
memset(&entry, 0, sizeof(entry));
entry.signal = (si->isi_rssi - 95);
entry.noise = noise;
memcpy(entry.mac, &si->isi_macaddr, 6);
entry.inactive = si->isi_inact * 1000;
entry.tx_packets = (si->isi_txseqs[0] & IEEE80211_SEQ_SEQ_MASK)
>> IEEE80211_SEQ_SEQ_SHIFT;
entry.rx_packets = (si->isi_rxseqs[0] & IEEE80211_SEQ_SEQ_MASK)
>> IEEE80211_SEQ_SEQ_SHIFT;
entry.tx_rate.rate =
(si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL) * 500;
/* XXX: this is just a guess */
entry.rx_rate.rate = entry.tx_rate.rate;
entry.rx_rate.mcs = -1;
entry.tx_rate.mcs = -1;
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;
}
static int madwifi_get_txpwrlist(const char *ifname, char *buf, int *len)
{
int rc = -1;
char *res;
/* A wifiX device? */
if( madwifi_iswifi(ifname) )
{
if( (res = madwifi_ifadd(ifname)) != NULL )
{
rc = wext_ops.txpwrlist(res, buf, len);
madwifi_ifdel(res);
}
}
/* Its an athX ... */
else if( !!madwifi_isvap(ifname, NULL) )
{
rc = wext_ops.txpwrlist(ifname, buf, len);
}
return rc;
}
static int madwifi_get_scanlist(const char *ifname, char *buf, int *len)
{
int ret;
char *res;
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) )
{
if( iwinfo_ifup(e->d_name) )
{
ret = wext_ops.scanlist(e->d_name, buf, len);
break;
}
}
}
closedir(proc);
}
/* Still nothing found, try to create a vap */
if( ret == -1 )
{
if( (res = madwifi_ifadd(ifname)) != NULL )
{
if( iwinfo_ifup(res) )
{
wext_ops.scanlist(res, buf, len);
sleep(1);
wext_ops.scanlist(res, buf, len);
sleep(1);
ret = wext_ops.scanlist(res, buf, len);
}
iwinfo_ifdown(res);
madwifi_ifdel(res);
}
}
}
/* Got athX device? */
else if( !!madwifi_isvap(ifname, NULL) )
{
ret = wext_ops.scanlist(ifname, buf, len);
}
return ret;
}
static int madwifi_get_freqlist(const char *ifname, char *buf, int *len)
{
int i, bl;
int rc = -1;
char *res;
struct ieee80211req_chaninfo chans;
struct iwinfo_freqlist_entry entry;
/* A wifiX device? */
if( madwifi_iswifi(ifname) )
{
if( (res = madwifi_ifadd(ifname)) != NULL )
{
rc = get80211priv(res, IEEE80211_IOCTL_GETCHANINFO,
&chans, sizeof(chans));
madwifi_ifdel(res);
}
}
/* 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;
}
static 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;
}
static 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;
}
static 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;
}
static int madwifi_get_htmodelist(const char *ifname, int *buf)
{
/* OpenWrt's madwifi did never support any HT rates */
return -1;
}
static int madwifi_get_mbssid_support(const char *ifname, int *buf)
{
/* Test whether we can create another interface */
char *nif = madwifi_ifadd(ifname);
if( nif )
{
*buf = iwinfo_ifup(nif);
iwinfo_ifdown(nif);
madwifi_ifdel(nif);
return 0;
}
return -1;
}
static int madwifi_get_hardware_id(const char *ifname, char *buf)
{
char vendor[64];
char device[64];
struct iwinfo_hardware_id *ids;
struct iwinfo_hardware_entry *e;
const char *phy = madwifi_phyname(ifname);
if (wext_ops.hardware_id(phy, buf))
return iwinfo_hardware_id_from_mtd((struct iwinfo_hardware_id *)buf);
return 0;
}
static const struct iwinfo_hardware_entry *
madwifi_get_hardware_entry(const char *ifname)
{
struct iwinfo_hardware_id id;
if (madwifi_get_hardware_id(ifname, (char *)&id))
return NULL;
return iwinfo_hardware(&id);
}
static int madwifi_get_hardware_name(const char *ifname, char *buf)
{
const struct iwinfo_hardware_entry *hw;
if (!(hw = madwifi_get_hardware_entry(ifname)))
sprintf(buf, "Generic Atheros");
else
sprintf(buf, "%s %s", hw->vendor_name, hw->device_name);
return 0;
}
static int madwifi_get_txpower_offset(const char *ifname, int *buf)
{
const struct iwinfo_hardware_entry *hw;
if (!(hw = madwifi_get_hardware_entry(ifname)))
return -1;
*buf = hw->txpower_offset;
return 0;
}
static int madwifi_get_frequency_offset(const char *ifname, int *buf)
{
const struct iwinfo_hardware_entry *hw;
if (!(hw = madwifi_get_hardware_entry(ifname)))
return -1;
*buf = hw->frequency_offset;
return 0;
}
const struct iwinfo_ops madwifi_ops = {
.name = "madwifi",
.probe = madwifi_probe,
.channel = madwifi_get_channel,
.center_chan1 = madwifi_get_center_chan1,
.center_chan2 = madwifi_get_center_chan2,
.frequency = madwifi_get_frequency,
.frequency_offset = madwifi_get_frequency_offset,
.txpower = madwifi_get_txpower,
.txpower_offset = madwifi_get_txpower_offset,
.bitrate = madwifi_get_bitrate,
.signal = madwifi_get_signal,
.noise = madwifi_get_noise,
.quality = madwifi_get_quality,
.quality_max = madwifi_get_quality_max,
.mbssid_support = madwifi_get_mbssid_support,
.hwmodelist = madwifi_get_hwmodelist,
.htmodelist = madwifi_get_htmodelist,
.mode = madwifi_get_mode,
.ssid = madwifi_get_ssid,
.bssid = madwifi_get_bssid,
.country = madwifi_get_country,
.hardware_id = madwifi_get_hardware_id,
.hardware_name = madwifi_get_hardware_name,
.encryption = madwifi_get_encryption,
.phyname = madwifi_get_phyname,
.assoclist = madwifi_get_assoclist,
.txpwrlist = madwifi_get_txpwrlist,
.scanlist = madwifi_get_scanlist,
.freqlist = madwifi_get_freqlist,
.countrylist = madwifi_get_countrylist,
.close = madwifi_close
};