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[client] Bump go-netroute to v0.4.0 and drop fork (#6062)

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This commit is contained in:
Viktor Liu
2026-05-05 22:26:27 +09:00
committed by GitHub
parent 97db824929
commit cd8e71002f
8 changed files with 163 additions and 29 deletions
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16
client/internal/routemanager/systemops/systemops_generic.go
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@@ -342,6 +342,22 @@ func GetNextHop(ip netip.Addr) (Nexthop, error) {
if err != nil {
return Nexthop{}, fmt.Errorf("new netroute: %w", err)
}
// go-netroute v0.4.0 rejects unspecified destinations on Linux with a hard
// client-side check. Substitute the lowest non-loopback address so the
// lookup falls through to the default route (::1 / 127.0.0.1 would match
// loopback, ::/0.0.0.0 are unspec). BSD/Windows pass the query straight to
// the kernel and need no substitution.
if runtime.GOOS == "linux" && ip.IsUnspecified() {
if ip.Is6() {
// ::2
ip = netip.AddrFrom16([16]byte{15: 2})
} else {
// 0.0.0.1
ip = netip.AddrFrom4([4]byte{0, 0, 0, 1})
}
}
intf, gateway, preferredSrc, err := r.Route(ip.AsSlice())
if err != nil {
log.Debugf("Failed to get route for %s: %v", ip, err)