fastfetch-cli/fastfetch
1
0
Fork 0
mirror of https://github.com/fastfetch-cli/fastfetch.git synced 2026-09-13 02:42:09 +02:00
Code Issues Packages Projects Releases 10 Wiki Activity

Netif (Linux): support default route detection for ipv6

Browse Source
This commit is contained in:
李通洲
2025-04-01 10:48:30 +08:00
parent 3d7c631abd
commit d0ca944b9c
1 changed files with 28 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/common/netif/netif_linux.c
+28 -2
View File
@@ -7,7 +7,7 @@
#define FF_STR_INDIR(x) #x
#define FF_STR(x) FF_STR_INDIR(x)
bool ffNetifGetDefaultRouteImpl(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
static bool getDefaultRouteIPv4(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
{
FILE* FF_AUTO_CLOSE_FILE netRoute = fopen("/proc/net/route", "r");
if (!netRoute) return false;
@@ -15,12 +15,38 @@ bool ffNetifGetDefaultRouteImpl(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
// skip first line
FF_UNUSED(fscanf(netRoute, "%*[^\n]\n"));
unsigned long long destination; //, gateway, flags, refCount, use, metric, mask, mtu,
unsigned long long destination; //, gateway, flags, refCount, use, metric, mask, mtu, ...
while (fscanf(netRoute, "%" FF_STR(IF_NAMESIZE) "s%llx%*[^\n]", iface, &destination) == 2)
{
if (destination != 0) continue;
*ifIndex = if_nametoindex(iface);
return true;
}
iface[0] = '\0';
return false;
}
static bool getDefaultRouteIPv6(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
{
FILE* FF_AUTO_CLOSE_FILE netRoute = fopen("/proc/net/ipv6_route", "r");
if (!netRoute) return false;
uint32_t prefixLen;
//destination, dest_prefix_len, source, src_prefix_len, next hop, metric, ref counter, use counter, flags, iface
while (fscanf(netRoute, "%*s %x %*s %*s %*s %*s %*s %*s %*s %" FF_STR(IF_NAMESIZE) "s", &prefixLen, iface) == 2)
{
if (prefixLen != 0) continue;
*ifIndex = if_nametoindex(iface);
return true;
}
iface[0] = '\0';
return false;
}
bool ffNetifGetDefaultRouteImpl(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
{
if (getDefaultRouteIPv4(iface, ifIndex))
return true;
return getDefaultRouteIPv6(iface, ifIndex);
}