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_socket(void)
{
- /* prepare socket */
+ /* 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);
+ return ioctl_socket;
+}
+
+static int madwifi_ioctl(int cmd, void *ifr)
+{
+ int s = madwifi_socket();
+ return ioctl(s, cmd, ifr);
+}
+
+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 )
{
}
}
- return ioctl(ioctl_socket, cmd, wrq);
+ return madwifi_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_MONITOR;
+ cp.icp_flags = IEEE80211_CLONE_BSSID;
+
+ strncpy(ifr.ifr_name, wifidev, IFNAMSIZ);
+ ifr.ifr_data = (void *)&cp;
+
+ if( !madwifi_ioctl(SIOC80211IFCREATE, &ifr) )
+ return nif;
+ }
+
+ return NULL;
+}
+
+static void madwifi_ifdel(const char *ifname)
+{
+ struct ifreq ifr = { 0 };
+
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ madwifi_ioctl(SIOC80211IFDESTROY, &ifr);
+}
+
+static int madwifi_ifup(const char *ifname)
+{
+ struct ifreq ifr;
+
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+
+ if( madwifi_ioctl(SIOCGIFFLAGS, &ifr) )
+ return 0;
+
+ ifr.ifr_flags |= (IFF_UP | IFF_RUNNING);
+
+ return !madwifi_ioctl(SIOCSIFFLAGS, &ifr);
+}
+
+static int madwifi_ifdown(const char *ifname)
+{
+ struct ifreq ifr;
+
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+
+ if( madwifi_ioctl(SIOCGIFFLAGS, &ifr) )
+ return 0;
+
+ ifr.ifr_flags &= ~(IFF_UP | IFF_RUNNING);
+
+ return !madwifi_ioctl(SIOCSIFFLAGS, &ifr);
+}
+
int madwifi_probe(const char *ifname)
{
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;
/* 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:
/* Get group key length */
wrq.u.mode = IEEE80211_PARAM_MCASTKEYLEN;
- if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
+ if( madwifi_wrq(&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 )
+ if( madwifi_wrq(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
{
ciphers = wrq.u.mode;
/* 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;
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( madwifi_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( madwifi_ifup(res) )
+ ret = wext_get_scanlist(res, buf, len);
- (void) WEXITSTATUS(system("ifconfig ath-scan down"));
- (void) WEXITSTATUS(system("wlanconfig ath-scan destroy"));
+ madwifi_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));
}
struct iwinfo_freqlist_entry *e = NULL;
int len = 0;
- if( !madwifi_get_freqlist(ifname, &chans, &len) )
+ if( !madwifi_get_freqlist(ifname, chans, &len) )
{
for( e = (struct iwinfo_freqlist_entry *)chans; e->channel; e++ )
{
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 = madwifi_ifup(nif);
+
+ madwifi_ifdown(nif);
+ madwifi_ifdel(nif);
+
+ return 0;
+ }
+
+ return -1;
}
projects / project / luci.git / blobdiff