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Skip process search for non-local source addresses

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This commit is contained in:
世界
2026-04-19 23:25:00 +08:00
parent 3124cdd661
commit e4bc459975
2 changed files with 59 additions and 31 deletions
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58
route/process_cache.go
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@@ -3,6 +3,7 @@ package route
import ( import (
"context" "context"
"net/netip" "net/netip"
"strings"
"github.com/sagernet/sing-box/adapter" "github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/process" "github.com/sagernet/sing-box/common/process"
@@ -32,3 +33,60 @@ func (r *Router) findProcessInfoCached(ctx context.Context, network string, sour
r.processCache.Add(key, processCacheEntry{result: result, err: err}) r.processCache.Add(key, processCacheEntry{result: result, err: err})
return result, err return result, err
} }
func (r *Router) searchProcessInfo(ctx context.Context, metadata *adapter.InboundContext) {
if r.processSearcher == nil || metadata.ProcessInfo != nil || !r.isLocalSource(metadata.Source.Addr) {
return
}
var originDestination netip.AddrPort
if metadata.OriginDestination.IsValid() {
originDestination = metadata.OriginDestination.AddrPort()
} else if metadata.Destination.IsIP() {
originDestination = metadata.Destination.AddrPort()
}
processInfo, err := r.findProcessInfoCached(ctx, metadata.Network, metadata.Source.AddrPort(), originDestination)
if err != nil {
r.logger.InfoContext(ctx, "failed to search process: ", err)
return
}
metadata.ProcessInfo = processInfo
if processInfo.ProcessPath != "" {
if processInfo.UserName != "" {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user: ", processInfo.UserName)
} else if processInfo.UserId != -1 {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user id: ", processInfo.UserId)
} else {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath)
}
return
}
if len(processInfo.AndroidPackageNames) > 0 {
r.logger.InfoContext(ctx, "found package name: ", strings.Join(processInfo.AndroidPackageNames, ", "))
return
}
if processInfo.UserId != -1 {
if processInfo.UserName != "" {
r.logger.InfoContext(ctx, "found user: ", processInfo.UserName)
} else {
r.logger.InfoContext(ctx, "found user id: ", processInfo.UserId)
}
}
}
func (r *Router) isLocalSource(source netip.Addr) bool {
if !source.IsValid() {
return false
}
source = source.Unmap()
if source.IsLoopback() {
return true
}
for _, netInterface := range r.network.InterfaceFinder().Interfaces() {
for _, prefix := range netInterface.Addresses {
if prefix.Addr().Unmap() == source {
return true
}
}
}
return false
}

32
route/route.go
View File

@@ -407,37 +407,7 @@ func (r *Router) matchRule(
selectedRule adapter.Rule, selectedRuleIndex int, selectedRule adapter.Rule, selectedRuleIndex int,
buffers []*buf.Buffer, packetBuffers []*N.PacketBuffer, fatalErr error, buffers []*buf.Buffer, packetBuffers []*N.PacketBuffer, fatalErr error,
) { ) {
if r.processSearcher != nil && metadata.ProcessInfo == nil { r.searchProcessInfo(ctx, metadata)
var originDestination netip.AddrPort
if metadata.OriginDestination.IsValid() {
originDestination = metadata.OriginDestination.AddrPort()
} else if metadata.Destination.IsIP() {
originDestination = metadata.Destination.AddrPort()
}
processInfo, fErr := r.findProcessInfoCached(ctx, metadata.Network, metadata.Source.AddrPort(), originDestination)
if fErr != nil {
r.logger.InfoContext(ctx, "failed to search process: ", fErr)
} else {
if processInfo.ProcessPath != "" {
if processInfo.UserName != "" {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user: ", processInfo.UserName)
} else if processInfo.UserId != -1 {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath, ", user id: ", processInfo.UserId)
} else {
r.logger.InfoContext(ctx, "found process path: ", processInfo.ProcessPath)
}
} else if len(processInfo.AndroidPackageNames) > 0 {
r.logger.InfoContext(ctx, "found package name: ", strings.Join(processInfo.AndroidPackageNames, ", "))
} else if processInfo.UserId != -1 {
if processInfo.UserName != "" {
r.logger.InfoContext(ctx, "found user: ", processInfo.UserName)
} else {
r.logger.InfoContext(ctx, "found user id: ", processInfo.UserId)
}
}
metadata.ProcessInfo = processInfo
}
}
if metadata.Destination.Addr.IsValid() && r.dnsTransport.FakeIP() != nil && r.dnsTransport.FakeIP().Store().Contains(metadata.Destination.Addr) { if metadata.Destination.Addr.IsValid() && r.dnsTransport.FakeIP() != nil && r.dnsTransport.FakeIP().Store().Contains(metadata.Destination.Addr) {
domain, loaded := r.dnsTransport.FakeIP().Store().Lookup(metadata.Destination.Addr) domain, loaded := r.dnsTransport.FakeIP().Store().Lookup(metadata.Destination.Addr)
if !loaded { if !loaded {