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nfqws: use wireless ext in case nl80211 does not return ssid

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bol-van 2025-06-12 11:45:14 +03:00
parent 64280cbf3d
commit 2417d4ee76
1 changed files with 23 additions and 2 deletions
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25
nfq/darkmagic.c
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@ -34,6 +34,8 @@
#include <linux/genetlink.h>
#include <libmnl/libmnl.h>
#include <net/if.h>
#include <linux/wireless.h>
#include <sys/ioctl.h>
#endif
uint32_t net32_add(uint32_t netorder_value, uint32_t cpuorder_increment)
@ -1959,8 +1961,27 @@ static int wlan_info_cb(const struct nlmsghdr *nlh, void *data)
if (wc->count>=WLAN_INTERFACE_MAX) return MNL_CB_OK;
memset(wc->wlan+wc->count,0,sizeof(wc->wlan[0]));
ret = mnl_attr_parse(nlh, sizeof(struct genlmsghdr), wlan_info_attr_cb, wc->wlan+wc->count);
if (ret>=0 && *wc->wlan[wc->count].ssid && *wc->wlan[wc->count].ifname && wc->wlan[wc->count].ifindex)
wc->count++;
if (ret>=0 && *wc->wlan[wc->count].ifname && wc->wlan[wc->count].ifindex)
{
if (*wc->wlan[wc->count].ssid)
wc->count++;
else
{
// sometimes nl80211 does not return SSID but wireless ext does
int wext_fd = socket(AF_INET, SOCK_DGRAM, 0);
if (wext_fd!=-1)
{
struct iwreq req;
memset(&req.u,0,sizeof(req.u));
snprintf(req.ifr_ifrn.ifrn_name,sizeof(req.ifr_ifrn.ifrn_name),"%s",wc->wlan[wc->count].ifname);
req.u.essid.pointer = wc->wlan[wc->count].ssid;
req.u.essid.length = sizeof(wc->wlan[wc->count].ssid);
if (ioctl(wext_fd, SIOCGIWESSID, &req) != -1)
wc->count++;
close(wext_fd);
}
}
}
return ret;
}
static bool wlan_info(struct mnl_socket* nl, uint16_t wlan_family_id, struct wlan_interface_collection* w)