chore: cleanup netip code

component/process/process_darwin.go

@@ -87,6 +87,7 @@ func findProcessName(network string, ip netip.Addr, port int) (uint32, string, e
 		default:
 			continue
 		}
+		srcIP = srcIP.Unmap()
 
 		if ip == srcIP {
 			// xsocket_n.so_last_pid

component/process/process_freebsd_amd64.go

@@ -10,7 +10,6 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/metacubex/mihomo/common/nnip"
 	"github.com/metacubex/mihomo/log"
 )
 
@@ -136,13 +135,14 @@ func (s *searcher) Search(buf []byte, ip netip.Addr, port uint16, isTCP bool) (u
 		switch {
 		case flag&0x1 > 0 && isIPv4:
 			// ipv4
-			srcIP = nnip.IpToAddr(buf[inp+s.ip : inp+s.ip+4])
+			srcIP, _ = netip.AddrFromSlice(buf[inp+s.ip : inp+s.ip+4])
 		case flag&0x2 > 0 && !isIPv4:
 			// ipv6
-			srcIP = nnip.IpToAddr(buf[inp+s.ip-12 : inp+s.ip+4])
+			srcIP, _ = netip.AddrFromSlice(buf[inp+s.ip-12 : inp+s.ip+4])
 		default:
 			continue
 		}
+		srcIP = srcIP.Unmap()
 
 		if ip != srcIP {
 			continue

component/process/process_windows.go

@@ -7,7 +7,6 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/metacubex/mihomo/common/nnip"
 	"github.com/metacubex/mihomo/log"
 
 	"golang.org/x/sys/windows"
@@ -137,7 +136,8 @@ func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error)
 			continue
 		}
 
-		srcIP := nnip.IpToAddr(row[s.ip : s.ip+s.ipSize])
+		srcIP, _ := netip.AddrFromSlice(row[s.ip : s.ip+s.ipSize])
+		srcIP = srcIP.Unmap()
 		// windows binds an unbound udp socket to 0.0.0.0/[::] while first sendto
 		if ip != srcIP && (!srcIP.IsUnspecified() || s.tcpState != -1) {
 			continue