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Wifi: fall back to ioctls if fail to loading libnm libs

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This commit is contained in:
李通洲
2023-01-17 15:54:06 +08:00
parent c746cde61e
commit 622a5c267b
2 changed files with 83 additions and 85 deletions
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src/common/init.c
+4 -1
View File
@@ -503,7 +503,10 @@ void ffListFeatures()
"libcjson\n"
#endif
#ifdef FF_HAVE_FREETYPE
"freetype"
"freetype\n"
#endif
#ifdef FF_HAVE_LIBNM
"libnm\n"
#endif
""
, stdout);
src/detection/wifi/wifi_linux.c
+79 -84
View File
@@ -1,19 +1,19 @@
#include "wifi.h"
#include "common/processing.h"
#include "common/properties.h"
#include "common/library.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef FF_HAVE_LIBNM
#include "common/processing.h"
#include "common/properties.h"
#include "common/library.h"
#include <glib.h>
#define NM_NO_INCLUDE_EXTRA_HEADERS 1
#include <NetworkManager.h>
const char* ffDetectWifi(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* result)
static const char* detectWifiWithLibnm(const FFinstance* instance, FFlist* result)
{
FF_LIBRARY_LOAD(nm, &instance->config.libnm, "dlopen libnm failed", "libnm" FF_LIBRARY_EXTENSION, 0);
FF_LIBRARY_LOAD_SYMBOL_MESSAGE(nm, nm_client_new);
@@ -197,7 +197,7 @@ const char* ffDetectWifi(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* res
return NULL;
}
#else
#endif
#include "common/io.h"
@@ -206,80 +206,8 @@ const char* ffDetectWifi(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* res
#include <sys/ioctl.h>
#include <unistd.h>
static const char* detectInf(char* ifName, FFWifiResult* wifi)
static const char* detectWifiWithIoctls(FF_MAYBE_UNUSED const FFinstance* instance, FFlist* result)
{
int sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if(sock < 0)
return "socket() failed";
struct iwreq iwr;
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)
{
if(strncasecmp(iwr.u.name, "IEEE ", 5) == 0)
ffStrbufSetS(&wifi->conn.protocol, iwr.u.name + 5);
else
ffStrbufSetS(&wifi->conn.protocol, iwr.u.name);
}
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;
switch(iwe->alg)
{
case IW_ENCODE_ALG_WEP:
ffStrbufAppendS(&wifi->conn.security, "WEP");
break;
case IW_ENCODE_ALG_TKIP:
ffStrbufAppendS(&wifi->conn.security, "TKIP");
break;
case IW_ENCODE_ALG_CCMP:
ffStrbufAppendS(&wifi->conn.security, "CCMP");
break;
case IW_ENCODE_ALG_PMK:
ffStrbufAppendS(&wifi->conn.security, "PMK");
break;
case IW_ENCODE_ALG_AES_CMAC:
ffStrbufAppendS(&wifi->conn.security, "CMAC");
break;
}
} else {
ffStrbufAppendS(&wifi->conn.security, "unknown");
}
close(sock);
return NULL;
}
const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
{
FF_UNUSED(instance);
struct if_nameindex* infs = if_nameindex();
if(!infs)
return "if_nameindex() failed";
@@ -309,15 +237,82 @@ const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
if(!ffAppendFileBuffer(path.chars, &item->inf.status) || !ffStrbufEqualS(&item->inf.status, "up"))
continue;
detectInf(i->if_name, item);
int sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if(sock < 0)
continue;
struct iwreq iwr;
strncpy(iwr.ifr_name, i->if_name, IFNAMSIZ);
ffStrbufEnsureFree(&item->conn.ssid, IW_ESSID_MAX_SIZE);
iwr.u.essid.pointer = (caddr_t) item->conn.ssid.chars;
iwr.u.essid.length = IW_ESSID_MAX_SIZE + 1;
iwr.u.essid.flags = 0;
if(ioctl(sock, SIOCGIWESSID, &iwr) >= 0)
ffStrbufRecalculateLength(&item->conn.ssid);
if(ioctl(sock, SIOCGIWNAME, &iwr) >= 0)
{
if(strncasecmp(iwr.u.name, "IEEE ", 5) == 0)
ffStrbufSetS(&item->conn.protocol, iwr.u.name + 5);
else
ffStrbufSetS(&item->conn.protocol, iwr.u.name);
}
if(ioctl(sock, SIOCGIWAP, &iwr) >= 0)
{
for(int i = 0; i < 6; ++i)
ffStrbufAppendF(&item->conn.macAddress, "%.2X-", (uint8_t) iwr.u.ap_addr.sa_data[i]);
ffStrbufTrimRight(&item->conn.macAddress, '-');
}
//FIXME: doesn't work
if(ioctl(sock, SIOCGIWSPY, &iwr) >= 0)
item->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;
switch(iwe->alg)
{
case IW_ENCODE_ALG_WEP:
ffStrbufAppendS(&item->conn.security, "WEP");
break;
case IW_ENCODE_ALG_TKIP:
ffStrbufAppendS(&item->conn.security, "TKIP");
break;
case IW_ENCODE_ALG_CCMP:
ffStrbufAppendS(&item->conn.security, "CCMP");
break;
case IW_ENCODE_ALG_PMK:
ffStrbufAppendS(&item->conn.security, "PMK");
break;
case IW_ENCODE_ALG_AES_CMAC:
ffStrbufAppendS(&item->conn.security, "CMAC");
break;
}
} else {
ffStrbufAppendS(&item->conn.security, "unknown");
}
close(sock);
}
if_freenameindex(infs);
ffStrbufDestroy(&path);
if(result->length == 0)
return "No wifi interfaces found";
return NULL;
}
#endif
const char* ffDetectWifi(const FFinstance* instance, FFlist* result)
{
#ifdef FF_HAVE_LIBNM
if(!detectWifiWithLibnm(instance, result))
return NULL;
#endif
return detectWifiWithIoctls(instance, result);
}