static char * nl80211_ifadd(const char *ifname)
{
int phyidx;
char *rv = NULL;
static char nif[IFNAMSIZ] = { 0 };
struct nl80211_msg_conveyor *req, *res;
req = nl80211_msg(ifname, NL80211_CMD_NEW_INTERFACE, 0);
if (req)
{
snprintf(nif, sizeof(nif), "tmp.%s", ifname);
NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, nif);
NLA_PUT_U32(req->msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_STATION);
nl80211_send(req, NULL, NULL);
rv = nif;
nla_put_failure:
nl80211_free(req);
}
return rv;
}
static char * nl80211_ifname2phy(const char *ifname)
{
static char phy[32] = { 0 };
struct nl80211_msg_conveyor *req;
req = nl80211_msg(ifname, NL80211_CMD_GET_WIPHY, 0);
if (req)
{
nl80211_send(req, nl80211_ifname2phy_cb, phy);
nl80211_free(req);
}
return phy[0] ? phy : NULL;
}
static void nl80211_ifdel(const char *ifname)
{
struct nl80211_msg_conveyor *req;
req = nl80211_msg(ifname, NL80211_CMD_DEL_INTERFACE, 0);
if (req)
{
NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, ifname);
nl80211_send(req, NULL, NULL);
nla_put_failure:
nl80211_free(req);
}
}
static struct nl80211_msg_conveyor * nl80211_msg(const char *ifname,
int cmd, int flags)
{
int ifidx = -1, phyidx = -1;
struct nl80211_msg_conveyor *cv;
if (nl80211_init() < 0)
return NULL;
if (!strncmp(ifname, "phy", 3))
phyidx = atoi(&ifname[3]);
else if (!strncmp(ifname, "radio", 5))
phyidx = atoi(&ifname[5]);
else if (!strncmp(ifname, "mon.", 4))
ifidx = if_nametoindex(&ifname[4]);
else
ifidx = if_nametoindex(ifname);
if ((ifidx < 0) && (phyidx < 0))
return NULL;
cv = nl80211_new(nls->nl80211, cmd, flags);
if (!cv)
return NULL;
if (ifidx > -1)
NLA_PUT_U32(cv->msg, NL80211_ATTR_IFINDEX, ifidx);
if (phyidx > -1)
NLA_PUT_U32(cv->msg, NL80211_ATTR_WIPHY, phyidx);
return cv;
nla_put_failure:
nl80211_free(cv);
return NULL;
}