X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fiwinfo%2Fsrc%2Fiwinfo_madwifi.c;fp=libs%2Fiwinfo%2Fsrc%2Fiwinfo_madwifi.c;h=0000000000000000000000000000000000000000;hp=33307022e81c9b39edb0220dcc62dac4eecbcacb;hb=719fd249aa6a3bbcb4efd3c130e92741cd1a4852;hpb=aff68f53751c706dd623eb794106eab59991e69d diff --git a/libs/iwinfo/src/iwinfo_madwifi.c b/libs/iwinfo/src/iwinfo_madwifi.c deleted file mode 100644 index 33307022e..000000000 --- a/libs/iwinfo/src/iwinfo_madwifi.c +++ /dev/null @@ -1,574 +0,0 @@ -/* - * 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" - -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); - - 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 int madwifi_isvap(const char *ifname, const char *wifiname) -{ - int fd, ret; - char path[32]; - char name[IFNAMSIZ]; - - ret = 0; - - 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)) ? 0 : 1; - } - else if( read(fd, name, 4) == 4 ) - { - ret = strncmp(name, "wifi", 4) ? 0 : 1; - } - - (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) ); -} - -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_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_enctype(const char *ifname, char *buf) -{ - struct iwreq wrq; - struct ieee80211req_key wk; - int wpa_version = 0, ciphers = 0, key_type = 0; - char cipher_string[32]; - - sprintf(buf, "Unknown"); - - 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; - - /* Get wpa protocol version */ - wrq.u.mode = IEEE80211_PARAM_WPA; - if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 ) - wpa_version = 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( wpa_version > 0 ) - { - memset(cipher_string, 0, sizeof(cipher_string)); - - /* Looks like mixed wpa/wpa2 ? */ - if( (ciphers & (1< 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; - - memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry)); - bl += sizeof(struct iwinfo_freqlist_entry); - } - - *len = bl; - 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; -} -