static int
set80211priv(const char *dev, int op, void *data, int len, int show_err)
{
struct iwreq iwr;
checksocket();
memset(&iwr, 0, sizeof(iwr));
strncpy(iwr.ifr_name, dev, IFNAMSIZ);
if (len < IFNAMSIZ) {
/*
* Argument data fits inline; put it there.
*/
memcpy(iwr.u.name, data, len);
} else {
/*
* Argument data too big for inline transfer; setup a
* parameter block instead; the kernel will transfer
* the data for the driver.
*/
iwr.u.data.pointer = data;
iwr.u.data.length = len;
}
if (ioctl(s, op, &iwr) < 0) {
if (show_err) {
static const char *opnames[] = {
IOCTL_ERR(IEEE80211_IOCTL_SETPARAM),
IOCTL_ERR(IEEE80211_IOCTL_GETPARAM),
IOCTL_ERR(IEEE80211_IOCTL_SETMODE),
IOCTL_ERR(IEEE80211_IOCTL_GETMODE),
IOCTL_ERR(IEEE80211_IOCTL_SETWMMPARAMS),
IOCTL_ERR(IEEE80211_IOCTL_GETWMMPARAMS),
IOCTL_ERR(IEEE80211_IOCTL_SETCHANLIST),
IOCTL_ERR(IEEE80211_IOCTL_GETCHANLIST),
IOCTL_ERR(IEEE80211_IOCTL_CHANSWITCH),
IOCTL_ERR(IEEE80211_IOCTL_GETCHANINFO),
IOCTL_ERR(IEEE80211_IOCTL_SETOPTIE),
IOCTL_ERR(IEEE80211_IOCTL_GETOPTIE),
IOCTL_ERR(IEEE80211_IOCTL_SETMLME),
IOCTL_ERR(IEEE80211_IOCTL_SETKEY),
IOCTL_ERR(IEEE80211_IOCTL_DELKEY),
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
};
if (IEEE80211_IOCTL_SETPARAM <= op &&
op <= IEEE80211_IOCTL_SETCHANLIST)
perror(opnames[op - SIOCIWFIRSTPRIV]);
else
perror("ioctl[unknown???]");
}
return -1;
}
return 0;
}
static int
do80211priv(struct iwreq *iwr, const char *ifname, int op, void *data, size_t len)
{
#define N(a) (sizeof(a)/sizeof(a[0]))
memset(iwr, 0, sizeof(struct iwreq));
strncpy(iwr->ifr_name, ifname, IFNAMSIZ);
if (len < IFNAMSIZ) {
/*
* Argument data fits inline; put it there.
*/
memcpy(iwr->u.name, data, len);
} else {
/*
* Argument data too big for inline transfer; setup a
* parameter block instead; the kernel will transfer
* the data for the driver.
*/
iwr->u.data.pointer = data;
iwr->u.data.length = len;
}
if (ioctl(getsocket(), op, iwr) < 0) {
static const char *opnames[] = {
IOCTL_ERR(IEEE80211_IOCTL_SETPARAM),
IOCTL_ERR(IEEE80211_IOCTL_GETPARAM),
IOCTL_ERR(IEEE80211_IOCTL_SETMODE),
IOCTL_ERR(IEEE80211_IOCTL_GETMODE),
IOCTL_ERR(IEEE80211_IOCTL_SETWMMPARAMS),
IOCTL_ERR(IEEE80211_IOCTL_GETWMMPARAMS),
IOCTL_ERR(IEEE80211_IOCTL_SETCHANLIST),
IOCTL_ERR(IEEE80211_IOCTL_GETCHANLIST),
IOCTL_ERR(IEEE80211_IOCTL_CHANSWITCH),
IOCTL_ERR(IEEE80211_IOCTL_GETCHANINFO),
IOCTL_ERR(IEEE80211_IOCTL_SETOPTIE),
IOCTL_ERR(IEEE80211_IOCTL_GETOPTIE),
IOCTL_ERR(IEEE80211_IOCTL_SETMLME),
IOCTL_ERR(IEEE80211_IOCTL_SETKEY),
IOCTL_ERR(IEEE80211_IOCTL_DELKEY),
IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
};
op -= SIOCIWFIRSTPRIV;
if (0 <= op && op < N(opnames))
perror(opnames[op]);
else
perror("ioctl[unknown???]");
return -1;
}
return 0;
#undef N
}
