From 6adfea0a72bce328d20530b58d3ee75513b0c984 Mon Sep 17 00:00:00 2001
From: Dreamacro <8615343+dreamacro@users.noreply.github.com>
Date: Wed, 2 Nov 2022 09:50:57 +0800
Subject: [PATCH] Fix macOS Ventura process name match

---
 common/process/searcher_darwin.go | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/common/process/searcher_darwin.go b/common/process/searcher_darwin.go
index 3ddf30de..de8d3b3b 100644
--- a/common/process/searcher_darwin.go
+++ b/common/process/searcher_darwin.go
@@ -5,6 +5,8 @@ import (
 	"encoding/binary"
 	"net/netip"
 	"os"
+	"strconv"
+	"strings"
 	"syscall"
 	"unsafe"
 
@@ -29,6 +31,22 @@ func (d *darwinSearcher) FindProcessInfo(ctx context.Context, network string, so
 	return &Info{ProcessPath: processName, UserId: -1}, nil
 }
 
+var structSize = func() int {
+	value, _ := syscall.Sysctl("kern.osrelease")
+	major, _, _ := strings.Cut(value, ".")
+	n, _ := strconv.ParseInt(major, 10, 64)
+	switch true {
+	case n >= 22:
+		return 408
+	default:
+		// from darwin-xnu/bsd/netinet/in_pcblist.c:get_pcblist_n
+		// size/offset are round up (aligned) to 8 bytes in darwin
+		// rup8(sizeof(xinpcb_n)) + rup8(sizeof(xsocket_n)) +
+		// 2 * rup8(sizeof(xsockbuf_n)) + rup8(sizeof(xsockstat_n))
+		return 384
+	}
+}()
+
 func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 	var spath string
 	switch network {
@@ -53,7 +71,7 @@ func findProcessName(network string, ip netip.Addr, port int) (string, error) {
 	// size/offset are round up (aligned) to 8 bytes in darwin
 	// rup8(sizeof(xinpcb_n)) + rup8(sizeof(xsocket_n)) +
 	// 2 * rup8(sizeof(xsockbuf_n)) + rup8(sizeof(xsockstat_n))
-	itemSize := 384
+	itemSize := structSize
 	if network == N.NetworkTCP {
 		// rup8(sizeof(xtcpcb_n))
 		itemSize += 208