/*
* iwinfo - Wireless Information Library - Madwifi Backend
*
- * Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ * 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
};
-static int ioctl_socket = -1;
-
-static int madwifi_ioctl(struct iwreq *wrq, const char *ifname, int cmd, void *data, size_t len)
+static int madwifi_wrq(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);
+ strncpy(wrq->ifr_name, ifname, IFNAMSIZ);
if( data != NULL )
{
}
}
- return ioctl(ioctl_socket, cmd, wrq);
+ return iwinfo_ioctl(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 )
+ if( madwifi_wrq(&iwr, ifname, op, data, len) < 0 )
return -1;
return iwr.u.data.length;
return ret;
}
+static char * madwifi_ifadd(const char *ifname)
+{
+ 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 = (char *)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);
+}
+
int madwifi_probe(const char *ifname)
{
return ( !!madwifi_isvap(ifname, NULL) || madwifi_iswifi(ifname) );
}
+void madwifi_close(void)
+{
+ /* Nop */
+}
+
int madwifi_get_mode(const char *ifname, char *buf)
{
return wext_get_mode(ifname, buf);
struct iwreq wrq;
struct ieee80211req_chaninfo chans;
- if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
+ 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);
{
struct iwreq wrq;
- if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
{
*buf = (uint16_t)(wrq.u.freq.m / 100000);
return 0;
struct iwreq wrq;
struct ieee80211req_sta_info *si;
- if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
{
mode = wrq.u.mode;
struct iwreq wrq;
struct ieee80211req_sta_info *si;
- if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
{
mode = wrq.u.mode;
struct iwreq wrq;
struct ieee80211req_sta_info *si;
- if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
{
mode = wrq.u.mode;
int madwifi_get_encryption(const char *ifname, char *buf)
{
- int ciphers = 0, key_type = 0, key_len = 0;
+ 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));
- 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;
+ /* Obtain key info */
+ if( madwifi_wrq(&wrq, ifname, SIOCGIWENCODE, keybuf, sizeof(keybuf)) < 0 )
+ return -1;
- /* Type 0 == WEP */
- if( key_type == 0 )
- c->auth_algs = (IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED);
- }
+#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_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
+ 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_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
switch(wrq.u.mode) {
case IEEE80211_AUTH_8021X:
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;
}
}
- /* 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;
+ 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_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
ciphers = wrq.u.mode;
- if( ciphers & (1 << IEEE80211_CIPHER_TKIP) )
+ if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_TKIP) )
c->pair_ciphers |= IWINFO_CIPHER_TKIP;
- if( ciphers & (1 << IEEE80211_CIPHER_AES_CCM) )
+ if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_AES_CCM) )
c->pair_ciphers |= IWINFO_CIPHER_CCMP;
- if( ciphers & (1 << IEEE80211_CIPHER_AES_OCB) )
+ if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_AES_OCB) )
c->pair_ciphers |= IWINFO_CIPHER_AESOCB;
- if( ciphers & (1 << IEEE80211_CIPHER_CKIP) )
+ if( c->wpa_version && ciphers & (1 << IEEE80211_CIPHER_CKIP) )
c->pair_ciphers |= IWINFO_CIPHER_CKIP;
- if( ciphers & (1 << IEEE80211_CIPHER_WEP) )
+ if( !c->pair_ciphers && ciphers & (1 << IEEE80211_CIPHER_WEP) )
{
switch(key_len) {
case 13:
break;
default:
+ c->pair_ciphers = IWINFO_CIPHER_WEP40 |
+ IWINFO_CIPHER_WEP104;
break;
}
}
/* Get used group cipher */
wrq.u.mode = IEEE80211_PARAM_MCASTCIPHER;
- if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
+ if( madwifi_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
- ciphers = wrq.u.mode;
+ ciphers = c->wpa_version ? wrq.u.mode : IEEE80211_CIPHER_WEP;
- switch(wrq.u.mode) {
+ switch(ciphers) {
case IEEE80211_CIPHER_TKIP:
c->group_ciphers |= IWINFO_CIPHER_TKIP;
break;
int madwifi_get_txpwrlist(const char *ifname, char *buf, int *len)
{
int rc = -1;
- char cmd[256];
+ char *res;
/* 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)) )
+ if( (res = madwifi_ifadd(ifname)) != NULL )
{
- rc = wext_get_txpwrlist("ath-txpwr", buf, len);
- (void) WEXITSTATUS(system("wlanconfig ath-txpwr destroy"));
+ rc = wext_get_txpwrlist(res, buf, len);
+ madwifi_ifdel(res);
}
}
int madwifi_get_scanlist(const char *ifname, char *buf, int *len)
{
int ret;
- char cmd[256];
+ char *res;
DIR *proc;
struct dirent *e;
{
if( !!madwifi_isvap(e->d_name, ifname) )
{
- sprintf(cmd, "ifconfig %s up", e->d_name);
-
- if( ! WEXITSTATUS(system(cmd)) )
+ if( iwinfo_ifup(e->d_name) )
{
ret = wext_get_scanlist(e->d_name, buf, len);
break;
/* 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")) )
+ if( (res = madwifi_ifadd(ifname)) != NULL )
{
- ret = wext_get_scanlist("ath-scan", buf, len);
+ if( iwinfo_ifup(res) )
+ {
+ wext_get_scanlist(res, buf, len);
+ sleep(1);
+
+ wext_get_scanlist(res, buf, len);
+ sleep(1);
- (void) WEXITSTATUS(system("ifconfig ath-scan down"));
- (void) WEXITSTATUS(system("wlanconfig ath-scan destroy"));
+ ret = wext_get_scanlist(res, buf, len);
+ }
+
+ iwinfo_ifdown(res);
+ madwifi_ifdel(res);
}
}
}
{
int i, bl;
int rc = -1;
- char cmd[256];
+ char *res;
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)) )
+ if( (res = madwifi_ifadd(ifname)) != NULL )
{
- rc = get80211priv("ath-channels", IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans));
- (void) WEXITSTATUS(system("wlanconfig ath-channels destroy"));
+ 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));
+ rc = get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO,
+ &chans, sizeof(chans));
}
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.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);
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;
+ /* 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;
}
projects / project / luci.git / blobdiff