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#include "wifi.h"
#include "common/io.h"
#include "common/strutil.h"
#define COMPAT_FREEBSD_NET80211 1
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_ioctl.h>
// ieee80211 header of NetBSD is full of mess. Add compatibility macros from FreeBSD
#undef IEEE80211_IS_CHAN_ANYG
#define IEEE80211_IS_CHAN_ANYG(x) (IEEE80211_IS_CHAN_PUREG(x) || IEEE80211_IS_CHAN_G(x))
#undef IEEE80211_IS_CHAN_HT
#define IEEE80211_IS_CHAN_HT(x) (((x)->ic_flags & IEEE80211_CHAN_HT) != 0)
#undef IEEE80211_IS_CHAN_VHT
#define IEEE80211_IS_CHAN_VHT(x) (((x)->ic_flags & IEEE80211_CHAN_VHT) != 0)
const char* ffDetectWifi(FFlist* result) {
struct if_nameindex* infs = if_nameindex();
if (!infs) {
return "if_nameindex() failed";
}
FF_AUTO_CLOSE_FD int sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock < 0) {
if_freenameindex(infs);
return "socket() failed";
}
for (struct if_nameindex* i = infs; !(i->if_index == 0 && i->if_name == NULL); ++i) {
if (!ffStrStartsWith(i->if_name, "iwm")) {
continue;
}
FFWifiResult* item = FF_LIST_ADD(FFWifiResult, *result);
ffStrbufInitS(&item->inf.description, i->if_name);
ffStrbufInit(&item->inf.status);
ffStrbufInit(&item->conn.status);
ffStrbufInit(&item->conn.ssid);
ffStrbufInit(&item->conn.bssid);
ffStrbufInit(&item->conn.protocol);
ffStrbufInit(&item->conn.security);
item->conn.signalQuality = -DBL_MAX;
item->conn.rxRate = -DBL_MAX;
item->conn.txRate = -DBL_MAX;
item->conn.channel = 0;
item->conn.frequency = 0;
char ssid[IEEE80211_NWID_LEN + 1] = {};
struct ieee80211req ireq = {};
strlcpy(ireq.i_name, i->if_name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_SSID;
ireq.i_data = ssid;
ireq.i_len = sizeof(ssid) - 1;
if (ioctl(sock, SIOCG80211, &ireq) < 0 || ireq.i_len == 0) {
struct ifreq ifr;
strlcpy(ifr.ifr_name, i->if_name, sizeof(ifr.ifr_name));
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
ffStrbufSetStatic(&item->inf.status, "Unknown");
} else {
ffStrbufSetStatic(&item->inf.status, ifr.ifr_flags & IFF_UP ? "Up" : "Down");
}
ffStrbufAppendS(&item->conn.status, "Not associated");
continue;
}
ffStrbufSetStatic(&item->inf.status, "Up");
ffStrbufSetStatic(&item->conn.status, "Associated");
ffStrbufAppendNS(&item->conn.ssid, ireq.i_len, ssid);
uint8_t bssid[IEEE80211_ADDR_LEN] = {};
ireq.i_type = IEEE80211_IOC_BSSID;
ireq.i_data = bssid;
ireq.i_len = sizeof(bssid);
if (ioctl(sock, SIOCG80211, &ireq) >= 0) {
ffStrbufSetF(&item->conn.bssid, "%02X:%02X:%02X:%02X:%02X:%02X", bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5]);
}
struct ieee80211_channel curchan = {};
ireq.i_type = IEEE80211_IOC_CHANNEL;
ireq.i_data = &curchan;
ireq.i_len = sizeof(curchan);
if (ioctl(sock, SIOCG80211, &ireq) >= 0) {
// item->conn.channel = curchan.ic_ieee; // No ic_ieee in NetBSD
item->conn.channel = ffWifiFreqToChannel(curchan.ic_freq);
item->conn.frequency = curchan.ic_freq;
#ifdef IEEE80211_IS_CHAN_HE // for future use
if (IEEE80211_IS_CHAN_HE(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11ax (Wi-Fi 6)");
} else
#endif
if (IEEE80211_IS_CHAN_VHT(&curchan))
ffStrbufSetStatic(&item->conn.protocol, "802.11ac (Wi-Fi 5)");
else if (IEEE80211_IS_CHAN_HT(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11n (Wi-Fi 4)");
} else if (IEEE80211_IS_CHAN_ANYG(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11g");
} else if (IEEE80211_IS_CHAN_B(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11b");
} else if (IEEE80211_IS_CHAN_A(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11a");
} else if (IEEE80211_IS_CHAN_FHSS(&curchan)) {
ffStrbufSetStatic(&item->conn.protocol, "802.11 (FHSS)");
}
}
union {
struct ieee80211req_sta_req req;
uint8_t buf[1024];
} stareq = {};
memcpy(stareq.req.is_u.macaddr, bssid, sizeof(bssid));
ireq.i_type = IEEE80211_IOC_STA_INFO;
ireq.i_data = &stareq;
ireq.i_len = sizeof(stareq);
if (ioctl(sock, SIOCG80211, &ireq) >= 0) {
struct ieee80211req_sta_info* sta = stareq.req.info;
if (sta->isi_len != 0) {
int8_t rssi = (int8_t) sta->isi_rssi; // Strangely, `sta->isi_rssi` is unsigned
item->conn.signalQuality = (rssi >= -50 ? 100 : rssi <= -100 ? 0
: (rssi + 100) * 2);
if (sta->isi_txrate) {
item->conn.txRate = (double) sta->isi_txrate / 2.0;
}
}
}
ireq.i_type = IEEE80211_IOC_AUTHMODE;
ireq.i_data = NULL;
ireq.i_len = 0;
if (ioctl(sock, SIOCG80211, &ireq) >= 0) {
switch (ireq.i_val) {
case IEEE80211_AUTH_NONE:
ffStrbufSetStatic(&item->conn.security, "Insecure");
break;
case IEEE80211_AUTH_OPEN:
ffStrbufSetStatic(&item->conn.security, "Open");
break;
case IEEE80211_AUTH_SHARED:
ffStrbufSetStatic(&item->conn.security, "Shared");
break;
case IEEE80211_AUTH_8021X:
ffStrbufSetStatic(&item->conn.security, "8021X");
break;
case IEEE80211_AUTH_AUTO:
ffStrbufSetStatic(&item->conn.security, "Auto");
break;
case IEEE80211_AUTH_WPA:
ffStrbufSetStatic(&item->conn.security, "WPA");
break;
default:
ffStrbufSetF(&item->conn.security, "Unknown (%d)", ireq.i_val);
break;
}
}
}
if_freenameindex(infs);
return NULL;
}
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