feat: share more code from android branch

adapter/inbound/http.go

@@ -12,6 +12,8 @@ func NewHTTP(target socks5.Addr, srcConn net.Conn, conn net.Conn, additions ...A
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = C.HTTP
+	metadata.RawSrcAddr = srcConn.RemoteAddr()
+	metadata.RawDstAddr = srcConn.LocalAddr()
 	ApplyAdditions(metadata, WithSrcAddr(srcConn.RemoteAddr()), WithInAddr(conn.LocalAddr()))
 	ApplyAdditions(metadata, additions...)
 	return conn, metadata

adapter/inbound/packet.go

@@ -10,6 +10,8 @@ func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, additions
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.UDP
 	metadata.Type = source
+	metadata.RawSrcAddr = packet.LocalAddr()
+	metadata.RawDstAddr = metadata.UDPAddr()
 	ApplyAdditions(metadata, WithSrcAddr(packet.LocalAddr()))
 	if p, ok := packet.(C.UDPPacketInAddr); ok {
 		ApplyAdditions(metadata, WithInAddr(p.InAddr()))

adapter/outboundgroup/patch_android.go

@@ -0,0 +1,64 @@
+// +build android
+
+package outboundgroup
+
+import (
+	C "github.com/metacubex/mihomo/constant"
+	"github.com/metacubex/mihomo/constant/provider"
+)
+
+type ProxyGroup interface {
+	C.ProxyAdapter
+
+	Providers() []provider.ProxyProvider
+	Proxies() []C.Proxy
+	Now() string
+}
+
+func (f *Fallback) Providers() []provider.ProxyProvider {
+	return f.providers
+}
+
+func (lb *LoadBalance) Providers() []provider.ProxyProvider {
+	return lb.providers
+}
+
+func (f *Fallback) Proxies() []C.Proxy {
+	return f.GetProxies(false)
+}
+
+func (lb *LoadBalance) Proxies() []C.Proxy {
+	return lb.GetProxies(false)
+}
+
+func (lb *LoadBalance) Now() string {
+	return ""
+}
+
+func (r *Relay) Providers() []provider.ProxyProvider {
+	return r.providers
+}
+
+func (r *Relay) Proxies() []C.Proxy {
+	return r.GetProxies(false)
+}
+
+func (r *Relay) Now() string {
+	return ""
+}
+
+func (s *Selector) Providers() []provider.ProxyProvider {
+	return s.providers
+}
+
+func (s *Selector) Proxies() []C.Proxy {
+	return s.GetProxies(false)
+}
+
+func (u *URLTest) Providers() []provider.ProxyProvider {
+	return u.providers
+}
+
+func (u *URLTest) Proxies() []C.Proxy {
+	return u.GetProxies(false)
+}

adapter/provider/healthcheck.go

@@ -18,6 +18,7 @@ import (
 
 const (
 	defaultURLTestTimeout = time.Second * 5
+	defaultURLTestURL     = "https://www.gstatic.com/generate_204"
 )
 
 type HealthCheckOption struct {
@@ -148,6 +149,10 @@ func (hc *HealthCheck) stop() {
 }
 
 func (hc *HealthCheck) check() {
+	if len(hc.proxies) == 0 {
+		return
+	}
+
 	_, _, _ = hc.singleDo.Do(func() (struct{}, error) {
 		id := utils.NewUUIDV4().String()
 		log.Debugln("Start New Health Checking {%s}", id)
@@ -223,6 +228,7 @@ func NewHealthCheck(proxies []C.Proxy, url string, interval uint, lazy bool, exp
 	if len(url) == 0 {
 		interval = 0
 		expectedStatus = nil
+		url = defaultURLTestURL
 	}
 
 	return &HealthCheck{

adapter/provider/patch_android.go

@@ -0,0 +1,36 @@
+// +build android
+
+package provider
+
+import (
+	"time"
+)
+
+var (
+	suspended bool
+)
+
+type UpdatableProvider interface {
+	UpdatedAt() time.Time
+}
+
+func (pp *proxySetProvider) UpdatedAt() time.Time {
+	return pp.Fetcher.UpdatedAt
+}
+
+func (pp *proxySetProvider) Close() error {
+	pp.healthCheck.close()
+	pp.Fetcher.Destroy()
+
+	return nil
+}
+
+func (cp *compatibleProvider) Close() error {
+	cp.healthCheck.close()
+
+	return nil
+}
+
+func Suspend(s bool) {
+	suspended = s
+}

component/dialer/patch_android.go

@@ -0,0 +1,39 @@
+// +build android
+
+package dialer
+
+import (
+	"context"
+	"net"
+	"net/netip"
+	"syscall"
+)
+
+type SocketControl func(network, address string, conn syscall.RawConn) error
+
+var DefaultSocketHook SocketControl
+
+func dialContextHooked(ctx context.Context, network string, destination netip.Addr, port string) (net.Conn, error) {
+	dialer := &net.Dialer{
+		Control: DefaultSocketHook,
+	}
+
+	conn, err := dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port))
+	if err != nil {
+		return nil, err
+	}
+
+	if t, ok := conn.(*net.TCPConn); ok {
+		t.SetKeepAlive(false)
+	}
+
+	return conn, nil
+}
+
+func listenPacketHooked(ctx context.Context, network, address string) (net.PacketConn, error) {
+	lc := &net.ListenConfig{
+		Control: DefaultSocketHook,
+	}
+
+	return lc.ListenPacket(ctx, network, address)
+}

component/mmdb/patch_android.go

@@ -0,0 +1,18 @@
+// +build android
+
+package mmdb
+
+import "github.com/oschwald/maxminddb-golang"
+
+func InstallOverride(override *maxminddb.Reader) {
+	newReader := Reader{Reader: override}
+	switch override.Metadata.DatabaseType {
+	case "sing-geoip":
+		reader.databaseType = typeSing
+	case "Meta-geoip0":
+		reader.databaseType = typeMetaV0
+	default:
+		reader.databaseType = typeMaxmind
+	}
+	reader = newReader
+}

component/process/patch_android.go

@@ -0,0 +1,16 @@
+// +build android
+
+package process
+
+import "github.com/metacubex/mihomo/constant"
+
+type PackageNameResolver func(metadata *constant.Metadata) (string, error)
+
+var DefaultPackageNameResolver PackageNameResolver
+
+func FindPackageName(metadata *constant.Metadata) (string, error) {
+	if resolver := DefaultPackageNameResolver; resolver != nil {
+		return resolver(metadata)
+	}
+	return "", ErrPlatformNotSupport
+}

config/config.go

@@ -212,11 +212,16 @@ type RawDNS struct {
 }
 
 type RawFallbackFilter struct {
-	GeoIP     bool     `yaml:"geoip"`
-	GeoIPCode string   `yaml:"geoip-code"`
-	IPCIDR    []string `yaml:"ipcidr"`
-	Domain    []string `yaml:"domain"`
-	GeoSite   []string `yaml:"geosite"`
+	GeoIP     bool     `yaml:"geoip" json:"geoip"`
+	GeoIPCode string   `yaml:"geoip-code" json:"geoip-code"`
+	IPCIDR    []string `yaml:"ipcidr" json:"ipcidr"`
+	Domain    []string `yaml:"domain" json:"domain"`
+	GeoSite   []string `yaml:"geosite" json:"geosite"`
+}
+
+type RawClashForAndroid struct {
+	AppendSystemDNS   bool   `yaml:"append-system-dns" json:"append-system-dns"`
+	UiSubtitlePattern string `yaml:"ui-subtitle-pattern" json:"ui-subtitle-pattern"`
 }
 
 type RawTun struct {
@@ -317,6 +322,8 @@ type RawConfig struct {
 	SubRules      map[string][]string       `yaml:"sub-rules"`
 	RawTLS        TLS                       `yaml:"tls"`
 	Listeners     []map[string]any          `yaml:"listeners"`
+
+	ClashForAndroid RawClashForAndroid 		`yaml:"clash-for-android"`
 }
 
 type GeoXUrl struct {

constant/metadata.go

@@ -147,6 +147,9 @@ type Metadata struct {
 	SpecialProxy string     `json:"specialProxy"`
 	SpecialRules string     `json:"specialRules"`
 	RemoteDst    string     `json:"remoteDestination"`
+
+	RawSrcAddr net.Addr 	`json:"-"`
+	RawDstAddr net.Addr 	`json:"-"`
 	// Only domain rule
 	SniffHost string `json:"sniffHost"`
 }

dns/dhcp.go

@@ -1,3 +1,5 @@
+// +build !android
+
 package dns
 
 import (

dns/patch_!android.go

@@ -0,0 +1,7 @@
+// +build !android
+
+package dns
+
+func UpdateIsolateHandler(resolver *Resolver, mapper *ResolverEnhancer) {
+	return
+}

dns/patch_android.go

@@ -0,0 +1,81 @@
+// +build android
+
+package dns
+
+import (
+	"context"
+
+	D "github.com/miekg/dns"
+
+	"github.com/metacubex/mihomo/common/cache"
+	"github.com/metacubex/mihomo/component/dhcp"
+	"github.com/metacubex/mihomo/component/resolver"
+)
+
+const SystemDNSPlaceholder = "system"
+
+var systemResolver *Resolver
+var isolateHandler handler
+
+var _ dnsClient = (*dhcpClient)(nil)
+
+type dhcpClient struct {
+	enable bool
+}
+
+func (d *dhcpClient) Address() string {
+	return SystemDNSPlaceholder
+}
+
+func (d *dhcpClient) Exchange(m *D.Msg) (msg *D.Msg, err error) {
+	return d.ExchangeContext(context.Background(), m)
+}
+
+func (d *dhcpClient) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, err error) {
+	if s := systemResolver; s != nil {
+		return s.ExchangeContext(ctx, m)
+	}
+
+	return nil, dhcp.ErrNotFound
+}
+
+func ServeDNSWithDefaultServer(msg *D.Msg) (*D.Msg, error) {
+	if h := isolateHandler; h != nil {
+		return handlerWithContext(context.Background(), h, msg)
+	}
+
+	return nil, D.ErrTime
+}
+
+func FlushCacheWithDefaultResolver() {
+	if r := resolver.DefaultResolver; r != nil {
+		r.(*Resolver).lruCache = cache.New[string, *D.Msg](cache.WithSize[string, *D.Msg](4096), cache.WithStale[string, *D.Msg](true))
+	}
+}
+
+func UpdateSystemDNS(addr []string) {
+	if len(addr) == 0 {
+		systemResolver = nil
+	}
+
+	ns := make([]NameServer, 0, len(addr))
+	for _, d := range addr {
+		ns = append(ns, NameServer{Addr: d})
+	}
+
+	systemResolver = NewResolver(Config{Main: ns})
+}
+
+func UpdateIsolateHandler(resolver *Resolver, mapper *ResolverEnhancer) {
+	if resolver == nil {
+		isolateHandler = nil
+
+		return
+	}
+
+	isolateHandler = NewHandler(resolver, mapper)
+}
+
+func newDHCPClient(ifaceName string) *dhcpClient {
+	return &dhcpClient{enable: ifaceName == SystemDNSPlaceholder}
+}

dns/server.go

@@ -49,6 +49,8 @@ func (s *Server) SetHandler(handler handler) {
 }
 
 func ReCreateServer(addr string, resolver *Resolver, mapper *ResolverEnhancer) {
+	UpdateIsolateHandler(resolver, mapper)
+
 	if addr == address && resolver != nil {
 		handler := NewHandler(resolver, mapper)
 		server.SetHandler(handler)

listener/http/patch_android.go

@@ -0,0 +1,9 @@
+// +build android
+
+package http
+
+import "net"
+
+func (l *Listener) Listener() net.Listener {
+	return l.listener
+}