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Wifi: use ioctls instead of iw (Linux)

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This commit is contained in:
李通洲
2023-01-16 16:58:19 +08:00
parent a4e4e9c495
commit df793c20fd
5 changed files with 80 additions and 48 deletions
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src/detection/wifi/wifi.h
+8 -1
View File
@@ -22,9 +22,16 @@ struct FFWifiConnection
double txRate;
};
enum FFWifiSecurityType
{
FF_WIFI_SECURITY_UNKNOWN,
FF_WIFI_SECURITY_ENABLED,
FF_WIFI_SECURITY_DISABLED,
};
struct FFWifiSecurity
{
bool enabled;
enum FFWifiSecurityType type;
bool oneXEnabled;
FFstrbuf algorithm;
};
src/detection/wifi/wifi_apple.m
+2 -2
View File
@@ -25,7 +25,7 @@ const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
item->conn.signalQuality = 0.0/0.0;
item->conn.rxRate = 0.0/0.0;
item->conn.txRate = 0.0/0.0;
item->security.enabled = false;
item->security.type = FF_WIFI_SECURITY_UNKNOWN;
item->security.oneXEnabled = false;
ffStrbufInit(&item->security.algorithm);
@@ -72,7 +72,7 @@ const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
}
item->conn.signalQuality = inf.rssiValue >= -50 ? 100 : inf.rssiValue <= -100 ? 0 : (inf.rssiValue + 100) * 2;
item->conn.txRate = inf.transmitRate;
item->security.enabled = inf.security != kCWSecurityNone;
item->security.type = inf.security != kCWSecurityNone ? FF_WIFI_SECURITY_ENABLED : FF_WIFI_SECURITY_DISABLED;
switch(inf.security)
{
case kCWSecurityNone:
src/detection/wifi/wifi_linux.c
+66 -41
View File
@@ -1,57 +1,82 @@
#include "wifi.h"
#include "common/io.h"
#include "common/processing.h"
#include "common/properties.h"
#include <net/if.h>
#include <linux/wireless.h>
#include <sys/ioctl.h>
#include <unistd.h>
static const char* detectInf(char* ifName, FFWifiResult* wifi)
{
const char* error = NULL;
FF_STRBUF_AUTO_DESTROY output;
ffStrbufInit(&output);
if((error = ffProcessAppendStdOut(&output, (char* const[]){
"iw",
"dev",
ifName,
"link",
NULL
})))
return error;
int sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if(sock < 0)
return "socket() failed";
if(output.length == 0)
return "iw command execution failed";
struct iwreq iwr;
if(!ffParsePropLines(output.chars, "Connected to ", &wifi->conn.macAddress))
strncpy(iwr.ifr_name, ifName, IFNAMSIZ);
ffStrbufEnsureFree(&wifi->conn.ssid, IW_ESSID_MAX_SIZE);
iwr.u.essid.pointer = (caddr_t) wifi->conn.ssid.chars;
iwr.u.essid.length = IW_ESSID_MAX_SIZE + 1;
iwr.u.essid.flags = 0;
if(ioctl(sock, SIOCGIWESSID, &iwr) >= 0)
ffStrbufRecalculateLength(&wifi->conn.ssid);
if(ioctl(sock, SIOCGIWNAME, &iwr) >= 0)
{
ffStrbufAppendS(&wifi->conn.status, "Disconnected");
return NULL;
}
FF_STRBUF_AUTO_DESTROY temp;
ffStrbufInit(&temp);
ffStrbufAppendS(&wifi->conn.status, "Connected");
ffStrbufSubstrBefore(&wifi->conn.macAddress, ' ');
ffParsePropLines(output.chars, "SSID: ", &wifi->conn.ssid);
if(ffParsePropLines(output.chars, "signal: ", &temp))
wifi->conn.signalQuality = ffStrbufToDouble(&temp);
if(ffParsePropLines(output.chars, "tx bitrate: ", &temp))
{
if(ffStrbufContainS(&temp, " HE-MCS "))
ffStrbufAppendS(&wifi->conn.phyType, "802.11ax (Wi-Fi 6)");
else if(ffStrbufContainS(&temp, " VHT-MCS "))
ffStrbufAppendS(&wifi->conn.phyType, "802.11ac (Wi-Fi 5)");
else if(ffStrbufContainS(&temp, " MCS "))
ffStrbufAppendS(&wifi->conn.phyType, "802.11n (Wi-Fi 4)");
if(strncasecmp(iwr.u.name, "IEEE ", 5) == 0)
ffStrbufSetS(&wifi->conn.phyType, iwr.u.name + 5);
else
ffStrbufAppendS(&wifi->conn.phyType, "802.11a/b/g");
ffStrbufSetS(&wifi->conn.phyType, iwr.u.name);
}
wifi->security.enabled = true; //FIXME: Unable to find this info. Set it true so that fastfetch won't print `insecure`
if(ioctl(sock, SIOCGIWAP, &iwr) >= 0)
{
for(int i = 0; i < 6; ++i)
ffStrbufAppendF(&wifi->conn.macAddress, "%.2X-", (uint8_t) iwr.u.ap_addr.sa_data[i]);
ffStrbufTrimRight(&wifi->conn.macAddress, '-');
}
//FIXME: doesn't work
if(ioctl(sock, SIOCGIWSPY, &iwr) >= 0)
wifi->conn.signalQuality = iwr.u.qual.level;
//FIXME: doesn't work
struct iw_encode_ext iwe;
iwr.u.data.pointer = &iwe;
iwr.u.data.length = sizeof(iwe);
iwr.u.data.flags = 0;
if(ioctl(sock, SIOCGIWENCODEEXT, &iwr) >= 0)
{
struct iw_encode_ext* iwe = iwr.u.data.pointer;
if(iwe->alg == IW_ENCODE_ALG_NONE)
wifi->security.type = FF_WIFI_SECURITY_DISABLED;
else
{
wifi->security.type = FF_WIFI_SECURITY_ENABLED;
switch(iwe->alg)
{
case IW_ENCODE_ALG_WEP:
ffStrbufAppendS(&wifi->security.algorithm, "WEP");
break;
case IW_ENCODE_ALG_TKIP:
ffStrbufAppendS(&wifi->security.algorithm, "TKIP");
break;
case IW_ENCODE_ALG_CCMP:
ffStrbufAppendS(&wifi->security.algorithm, "CCMP");
break;
case IW_ENCODE_ALG_PMK:
ffStrbufAppendS(&wifi->security.algorithm, "PMK");
break;
case IW_ENCODE_ALG_AES_CMAC:
ffStrbufAppendS(&wifi->security.algorithm, "CMAC");
break;
}
}
}
close(sock);
return NULL;
}
@@ -83,7 +108,7 @@ const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
item->conn.signalQuality = 0.0/0.0;
item->conn.rxRate = 0.0/0.0;
item->conn.txRate = 0.0/0.0;
item->security.enabled = false;
item->security.type = FF_WIFI_SECURITY_UNKNOWN;
item->security.oneXEnabled = false;
ffStrbufInit(&item->security.algorithm);
src/detection/wifi/wifi_windows.c
+2 -2
View File
@@ -86,7 +86,7 @@ const char* ffDetectWifi(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* res
item->conn.signalQuality = 0.0/0.0;
item->conn.rxRate = 0.0/0.0;
item->conn.txRate = 0.0/0.0;
item->security.enabled = false;
item->security.type = FF_WIFI_SECURITY_UNKNOWN;
item->security.oneXEnabled = false;
ffStrbufInit(&item->security.algorithm);
@@ -162,7 +162,7 @@ const char* ffDetectWifi(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* res
item->conn.rxRate = connInfo->wlanAssociationAttributes.ulRxRate;
item->conn.txRate = connInfo->wlanAssociationAttributes.ulTxRate;
item->security.enabled = connInfo->wlanSecurityAttributes.bSecurityEnabled;
item->security.type = connInfo->wlanSecurityAttributes.bSecurityEnabled ? FF_WIFI_SECURITY_ENABLED : FF_WIFI_SECURITY_DISABLED;
item->security.oneXEnabled = connInfo->wlanSecurityAttributes.bOneXEnabled;
switch (connInfo->wlanSecurityAttributes.dot11AuthAlgorithm)
{
src/modules/wifi.c
+2 -2
View File
@@ -25,7 +25,7 @@ void ffPrintWifi(FFinstance* instance)
if(item->conn.ssid.length)
{
printf("%s - %s", item->conn.ssid.chars, item->conn.phyType.chars);
if(!item->security.enabled)
if(item->security.type == FF_WIFI_SECURITY_DISABLED)
puts(" - insecure");
else
putchar('\n');
@@ -47,7 +47,7 @@ void ffPrintWifi(FFinstance* instance)
{FF_FORMAT_ARG_TYPE_DOUBLE, &item->conn.signalQuality},
{FF_FORMAT_ARG_TYPE_DOUBLE, &item->conn.rxRate},
{FF_FORMAT_ARG_TYPE_DOUBLE, &item->conn.txRate},
{FF_FORMAT_ARG_TYPE_BOOL, &item->security.enabled},
{FF_FORMAT_ARG_TYPE_STRING, item->security.type == FF_WIFI_SECURITY_UNKNOWN ? "Unknown" : item->security.type == FF_WIFI_SECURITY_ENABLED ? "Secure" : "Insecure"},
{FF_FORMAT_ARG_TYPE_BOOL, &item->security.oneXEnabled},
{FF_FORMAT_ARG_TYPE_STRBUF, &item->security.algorithm},
});