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Ignore network monitor checks for software interfaces (#2302)

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ignore checks for Teredo and ISATAP interfaces
This commit is contained in:
Maycon Santos 2024-07-22 19:44:15 +02:00 committed by GitHub
parent 788f130941
commit 268e801ec5
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GPG Key ID: B5690EEEBB952194
1 changed files with 9 additions and 6 deletions
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15
client/internal/networkmonitor/monitor_windows.go
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@ -99,6 +99,11 @@ func routeChanged(nexthop systemops.Nexthop, intf *net.Interface, routes []syste
return false
}
if isSoftInterface(nexthop.Intf.Name) {
log.Tracef("network monitor: ignoring default route change for soft interface %s", nexthop.Intf.Name)
return false
}
unspec := getUnspecifiedPrefix(nexthop.IP)
defaultRoutes, foundMatchingRoute := processRoutes(nexthop, intf, routes, unspec)
@ -119,7 +124,7 @@ func getUnspecifiedPrefix(ip netip.Addr) netip.Prefix {
return netip.PrefixFrom(netip.IPv4Unspecified(), 0)
}
func processRoutes(nexthop systemops.Nexthop, intf *net.Interface, routes []systemops.Route, unspec netip.Prefix) ([]string, bool) {
func processRoutes(nexthop systemops.Nexthop, nexthopIntf *net.Interface, routes []systemops.Route, unspec netip.Prefix) ([]string, bool) {
var defaultRoutes []string
foundMatchingRoute := false
@ -128,7 +133,7 @@ func processRoutes(nexthop systemops.Nexthop, intf *net.Interface, routes []syst
routeInfo := formatRouteInfo(r)
defaultRoutes = append(defaultRoutes, routeInfo)
if r.Nexthop == nexthop.IP && compareIntf(r.Interface, intf) == 0 {
if r.Nexthop == nexthop.IP && compareIntf(r.Interface, nexthopIntf) == 0 {
foundMatchingRoute = true
log.Debugf("network monitor: found matching default route: %s", routeInfo)
}
@ -239,13 +244,11 @@ func compareIntf(a, b *net.Interface) int {
return -1
case b == nil:
return 1
case isIsatapInterface(a.Name) && isIsatapInterface(b.Name):
return 0
default:
return a.Index - b.Index
}
}
func isIsatapInterface(name string) bool {
return strings.HasPrefix(strings.ToLower(name), "isatap")
func isSoftInterface(name string) bool {
return strings.Contains(strings.ToLower(name), "isatap") || strings.Contains(strings.ToLower(name), "teredo")
}