use session in router

app/dispatcher/impl/default.go

@@ -49,7 +49,7 @@ func (this *DefaultDispatcher) DispatchToOutbound(meta *proxy.InboundHandlerMeta
 	destination := session.Destination
 
 	if this.router != nil {
-		if tag, err := this.router.TakeDetour(destination); err == nil {
+		if tag, err := this.router.TakeDetour(session); err == nil {
 			if handler := this.ohm.GetHandler(tag); handler != nil {
 				log.Info("DefaultDispatcher: Taking detour [", tag, "] for [", destination, "].")
 				dispatcher = handler

app/router/condition.go

@@ -6,10 +6,11 @@ import (
 	"strings"
 
 	v2net "v2ray.com/core/common/net"
+	"v2ray.com/core/proxy"
 )
 
 type Condition interface {
-	Apply(dest v2net.Destination) bool
+	Apply(session *proxy.SessionInfo) bool
 }
 
 type ConditionChan []Condition
@@ -24,9 +25,9 @@ func (this *ConditionChan) Add(cond Condition) *ConditionChan {
 	return this
 }
 
-func (this *ConditionChan) Apply(dest v2net.Destination) bool {
+func (this *ConditionChan) Apply(session *proxy.SessionInfo) bool {
 	for _, cond := range *this {
-		if !cond.Apply(dest) {
+		if !cond.Apply(session) {
 			return false
 		}
 	}
@@ -49,9 +50,9 @@ func (this *AnyCondition) Add(cond Condition) *AnyCondition {
 	return this
 }
 
-func (this *AnyCondition) Apply(dest v2net.Destination) bool {
+func (this *AnyCondition) Apply(session *proxy.SessionInfo) bool {
 	for _, cond := range *this {
-		if cond.Apply(dest) {
+		if cond.Apply(session) {
 			return true
 		}
 	}
@@ -72,7 +73,8 @@ func NewPlainDomainMatcher(pattern string) *PlainDomainMatcher {
 	}
 }
 
-func (this *PlainDomainMatcher) Apply(dest v2net.Destination) bool {
+func (this *PlainDomainMatcher) Apply(session *proxy.SessionInfo) bool {
+	dest := session.Destination
 	if !dest.Address.Family().IsDomain() {
 		return false
 	}
@@ -94,7 +96,8 @@ func NewRegexpDomainMatcher(pattern string) (*RegexpDomainMatcher, error) {
 	}, nil
 }
 
-func (this *RegexpDomainMatcher) Apply(dest v2net.Destination) bool {
+func (this *RegexpDomainMatcher) Apply(session *proxy.SessionInfo) bool {
+	dest := session.Destination
 	if !dest.Address.Family().IsDomain() {
 		return false
 	}
@@ -103,20 +106,26 @@ func (this *RegexpDomainMatcher) Apply(dest v2net.Destination) bool {
 }
 
 type CIDRMatcher struct {
-	cidr *net.IPNet
+	cidr     *net.IPNet
+	onSource bool
 }
 
-func NewCIDRMatcher(ip []byte, mask uint32) (*CIDRMatcher, error) {
+func NewCIDRMatcher(ip []byte, mask uint32, onSource bool) (*CIDRMatcher, error) {
 	cidr := &net.IPNet{
 		IP:   net.IP(ip),
 		Mask: net.CIDRMask(int(mask), len(ip)),
 	}
 	return &CIDRMatcher{
-		cidr: cidr,
+		cidr:     cidr,
+		onSource: onSource,
 	}, nil
 }
 
-func (this *CIDRMatcher) Apply(dest v2net.Destination) bool {
+func (this *CIDRMatcher) Apply(session *proxy.SessionInfo) bool {
+	dest := session.Destination
+	if this.onSource {
+		dest = session.Source
+	}
 	if !dest.Address.Family().Either(v2net.AddressFamilyIPv4, v2net.AddressFamilyIPv6) {
 		return false
 	}
@@ -124,16 +133,22 @@ func (this *CIDRMatcher) Apply(dest v2net.Destination) bool {
 }
 
 type IPv4Matcher struct {
-	ipv4net *v2net.IPNet
+	ipv4net  *v2net.IPNet
+	onSource bool
 }
 
-func NewIPv4Matcher(ipnet *v2net.IPNet) *IPv4Matcher {
+func NewIPv4Matcher(ipnet *v2net.IPNet, onSource bool) *IPv4Matcher {
 	return &IPv4Matcher{
-		ipv4net: ipnet,
+		ipv4net:  ipnet,
+		onSource: onSource,
 	}
 }
 
-func (this *IPv4Matcher) Apply(dest v2net.Destination) bool {
+func (this *IPv4Matcher) Apply(session *proxy.SessionInfo) bool {
+	dest := session.Destination
+	if this.onSource {
+		dest = session.Source
+	}
 	if !dest.Address.Family().Either(v2net.AddressFamilyIPv4) {
 		return false
 	}
@@ -150,8 +165,8 @@ func NewPortMatcher(portRange v2net.PortRange) *PortMatcher {
 	}
 }
 
-func (this *PortMatcher) Apply(dest v2net.Destination) bool {
-	return this.port.Contains(dest.Port)
+func (this *PortMatcher) Apply(session *proxy.SessionInfo) bool {
+	return this.port.Contains(session.Destination.Port)
 }
 
 type NetworkMatcher struct {
@@ -164,6 +179,28 @@ func NewNetworkMatcher(network *v2net.NetworkList) *NetworkMatcher {
 	}
 }
 
-func (this *NetworkMatcher) Apply(dest v2net.Destination) bool {
-	return this.network.HasNetwork(dest.Network)
+func (this *NetworkMatcher) Apply(session *proxy.SessionInfo) bool {
+	return this.network.HasNetwork(session.Destination.Network)
+}
+
+type UserMatcher struct {
+	user []string
+}
+
+func NewUserMatcher(users []string) *UserMatcher {
+	return &UserMatcher{
+		user: users,
+	}
+}
+
+func (this *UserMatcher) Apply(session *proxy.SessionInfo) bool {
+	if session.User == nil {
+		return false
+	}
+	for _, u := range this.user {
+		if u == session.User.Email {
+			return true
+		}
+	}
+	return false
 }

app/router/config.go

@@ -5,6 +5,7 @@ import (
 	"net"
 
 	v2net "v2ray.com/core/common/net"
+	"v2ray.com/core/proxy"
 )
 
 type Rule struct {
@@ -12,8 +13,8 @@ type Rule struct {
 	Condition Condition
 }
 
-func (this *Rule) Apply(dest v2net.Destination) bool {
-	return this.Condition.Apply(dest)
+func (this *Rule) Apply(session *proxy.SessionInfo) bool {
+	return this.Condition.Apply(session)
 }
 
 func (this *RoutingRule) BuildCondition() (Condition, error) {
@@ -46,7 +47,7 @@ func (this *RoutingRule) BuildCondition() (Condition, error) {
 				ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
 			case net.IPv6len:
 				hasIpv6 = true
-				matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix)
+				matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, false)
 				if err != nil {
 					return nil, err
 				}
@@ -58,11 +59,11 @@ func (this *RoutingRule) BuildCondition() (Condition, error) {
 
 		if !ipv4Net.IsEmpty() && hasIpv6 {
 			cond := NewAnyCondition()
-			cond.Add(NewIPv4Matcher(ipv4Net))
+			cond.Add(NewIPv4Matcher(ipv4Net, false))
 			cond.Add(ipv6Cond)
 			conds.Add(cond)
 		} else if !ipv4Net.IsEmpty() {
-			conds.Add(NewIPv4Matcher(ipv4Net))
+			conds.Add(NewIPv4Matcher(ipv4Net, false))
 		} else if hasIpv6 {
 			conds.Add(ipv6Cond)
 		}
@@ -76,6 +77,43 @@ func (this *RoutingRule) BuildCondition() (Condition, error) {
 		conds.Add(NewNetworkMatcher(this.NetworkList))
 	}
 
+	if len(this.SourceCidr) > 0 {
+		ipv4Net := v2net.NewIPNet()
+		ipv6Cond := NewAnyCondition()
+		hasIpv6 := false
+
+		for _, ip := range this.SourceCidr {
+			switch len(ip.Ip) {
+			case net.IPv4len:
+				ipv4Net.AddIP(ip.Ip, byte(ip.Prefix))
+			case net.IPv6len:
+				hasIpv6 = true
+				matcher, err := NewCIDRMatcher(ip.Ip, ip.Prefix, true)
+				if err != nil {
+					return nil, err
+				}
+				ipv6Cond.Add(matcher)
+			default:
+				return nil, errors.New("Router: Invalid IP length.")
+			}
+		}
+
+		if !ipv4Net.IsEmpty() && hasIpv6 {
+			cond := NewAnyCondition()
+			cond.Add(NewIPv4Matcher(ipv4Net, true))
+			cond.Add(ipv6Cond)
+			conds.Add(cond)
+		} else if !ipv4Net.IsEmpty() {
+			conds.Add(NewIPv4Matcher(ipv4Net, true))
+		} else if hasIpv6 {
+			conds.Add(ipv6Cond)
+		}
+	}
+
+	if len(this.UserEmail) > 0 {
+		conds.Add(NewUserMatcher(this.UserEmail))
+	}
+
 	if conds.Len() == 0 {
 		return nil, errors.New("Router: This rule has no effective fields.")
 	}

app/router/config.pb.go

@@ -116,6 +116,8 @@ type RoutingRule struct {
 	Cidr        []*CIDR                             `protobuf:"bytes,3,rep,name=cidr" json:"cidr,omitempty"`
 	PortRange   *v2ray_core_common_net.PortRange    `protobuf:"bytes,4,opt,name=port_range,json=portRange" json:"port_range,omitempty"`
 	NetworkList *v2ray_core_common_net1.NetworkList `protobuf:"bytes,5,opt,name=network_list,json=networkList" json:"network_list,omitempty"`
+	SourceCidr  []*CIDR                             `protobuf:"bytes,6,rep,name=source_cidr,json=sourceCidr" json:"source_cidr,omitempty"`
+	UserEmail   []string                            `protobuf:"bytes,7,rep,name=user_email,json=userEmail" json:"user_email,omitempty"`
 }
 
 func (m *RoutingRule) Reset()                    { *m = RoutingRule{} }
@@ -151,6 +153,13 @@ func (m *RoutingRule) GetNetworkList() *v2ray_core_common_net1.NetworkList {
 	return nil
 }
 
+func (m *RoutingRule) GetSourceCidr() []*CIDR {
+	if m != nil {
+		return m.SourceCidr
+	}
+	return nil
+}
+
 type Config struct {
 	DomainStrategy Config_DomainStrategy `protobuf:"varint,1,opt,name=domain_strategy,json=domainStrategy,enum=v2ray.core.app.router.Config_DomainStrategy" json:"domain_strategy,omitempty"`
 	Rule           []*RoutingRule        `protobuf:"bytes,2,rep,name=rule" json:"rule,omitempty"`
@@ -180,34 +189,37 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/app/router/config.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 458 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x7c, 0x92, 0xc1, 0x8e, 0xd3, 0x30,
-	0x10, 0x86, 0x49, 0x9a, 0x46, 0x74, 0x52, 0x4a, 0x64, 0x01, 0x0a, 0x0b, 0x48, 0x51, 0x84, 0xa0,
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-	0x56, 0x27, 0x13, 0x2b, 0x7a, 0x34, 0x22, 0xea, 0x67, 0x25, 0x16, 0x44, 0xef, 0x00, 0xfa, 0x35,
-	0x6f, 0x34, 0x15, 0x15, 0x4b, 0x82, 0xd4, 0x5b, 0x46, 0xab, 0xf4, 0xba, 0xcc, 0x6d, 0x1a, 0x0b,
-	0x66, 0xf0, 0x5a, 0x6a, 0x43, 0x7a, 0x8e, 0xcc, 0xd4, 0x55, 0x88, 0x3e, 0xc0, 0x7c, 0xb8, 0xc0,
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-	0x0f, 0x1a, 0xb2, 0xd8, 0xde, 0xc8, 0x7b, 0x3f, 0xe8, 0xae, 0x66, 0xc3, 0x3e, 0xc7, 0xfc, 0x70,
-	0xed, 0x2a, 0xc4, 0xf2, 0xd9, 0x5b, 0x58, 0xdc, 0xac, 0x8c, 0x6e, 0x43, 0xf0, 0xbe, 0x2d, 0x5a,
-	0x67, 0x81, 0xf3, 0x96, 0x15, 0x2a, 0xf6, 0x50, 0x0c, 0xf3, 0x42, 0x15, 0xbb, 0x33, 0x29, 0x3e,
-	0x51, 0x53, 0x7e, 0x8f, 0xfd, 0xe3, 0x97, 0xf0, 0xb0, 0x94, 0xcd, 0xe1, 0x3e, 0xc7, 0x91, 0x1b,
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-	0xff, 0xff, 0xa7, 0x28, 0xf6, 0x96, 0x53, 0x03, 0x00, 0x00,
+	// 501 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x84, 0x93, 0xd1, 0x6e, 0xd3, 0x3e,
+	0x14, 0xc6, 0xff, 0x49, 0xd3, 0xfc, 0xc9, 0x49, 0x29, 0x91, 0x05, 0x28, 0x0c, 0x26, 0x45, 0x11,
+	0x82, 0x5e, 0xa0, 0x04, 0x15, 0x01, 0x37, 0x48, 0x88, 0x75, 0xbb, 0xa8, 0x04, 0x53, 0x65, 0xd8,
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+	0x02, 0xd9, 0xce, 0xc4, 0x86, 0x56, 0xb8, 0xf3, 0xb1, 0x7e, 0xdf, 0x39, 0x5f, 0x8e, 0xbf, 0xc0,
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+	0xf8, 0x9c, 0x34, 0x3d, 0x4d, 0xfd, 0xcc, 0x9b, 0x45, 0xd8, 0x15, 0xf9, 0x23, 0x08, 0x0c, 0x83,
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+	0xb0, 0xa9, 0xbe, 0xa1, 0xc3, 0x63, 0xed, 0x0b, 0xdb, 0x95, 0x27, 0xc7, 0x96, 0xcf, 0x5f, 0xc3,
+	0xf4, 0x7a, 0x67, 0x74, 0x0b, 0x82, 0x77, 0xdd, 0xb2, 0x73, 0xf9, 0x3a, 0xeb, 0xe8, 0x52, 0x26,
+	0x1e, 0x4a, 0x60, 0xb2, 0x94, 0xcb, 0xed, 0xa9, 0xe0, 0x1f, 0x88, 0xae, 0xbe, 0x26, 0xfe, 0xd1,
+	0x73, 0x78, 0x50, 0x89, 0xf6, 0xe6, 0x39, 0x47, 0xb1, 0x33, 0xbd, 0x32, 0x7f, 0xc4, 0xe7, 0xd0,
+	0x5d, 0x7e, 0x09, 0xed, 0x0f, 0xf2, 0xe2, 0x57, 0x00, 0x00, 0x00, 0xff, 0xff, 0x3a, 0x89, 0xc1,
+	0x51, 0xb0, 0x03, 0x00, 0x00,
 }

app/router/config.proto

@@ -40,6 +40,8 @@ message RoutingRule {
   repeated CIDR cidr = 3;
   v2ray.core.common.net.PortRange port_range = 4;
   v2ray.core.common.net.NetworkList network_list = 5;
+  repeated CIDR source_cidr = 6;
+  repeated string user_email = 7;
 }
 
 message Config {

app/router/router.go

@@ -8,6 +8,7 @@ import (
 	"v2ray.com/core/common/loader"
 	"v2ray.com/core/common/log"
 	v2net "v2ray.com/core/common/net"
+	"v2ray.com/core/proxy"
 )
 
 const (
@@ -22,15 +23,15 @@ var (
 type Router struct {
 	domainStrategy Config_DomainStrategy
 	rules          []Rule
-	cache          *RoutingTable
-	dnsServer      dns.Server
+	//	cache          *RoutingTable
+	dnsServer dns.Server
 }
 
 func NewRouter(config *Config, space app.Space) *Router {
 	r := &Router{
 		domainStrategy: config.DomainStrategy,
-		cache:          NewRoutingTable(),
-		rules:          make([]Rule, len(config.Rule)),
+		//cache:          NewRoutingTable(),
+		rules: make([]Rule, len(config.Rule)),
 	}
 
 	space.InitializeApplication(func() error {
@@ -74,12 +75,13 @@ func (this *Router) ResolveIP(dest v2net.Destination) []v2net.Destination {
 	return dests
 }
 
-func (this *Router) takeDetourWithoutCache(dest v2net.Destination) (string, error) {
+func (this *Router) takeDetourWithoutCache(session *proxy.SessionInfo) (string, error) {
 	for _, rule := range this.rules {
-		if rule.Apply(dest) {
+		if rule.Apply(session) {
 			return rule.Tag, nil
 		}
 	}
+	dest := session.Destination
 	if this.domainStrategy == Config_IpIfNonMatch && dest.Address.Family().IsDomain() {
 		log.Info("Router: Looking up IP for ", dest)
 		ipDests := this.ResolveIP(dest)
@@ -87,7 +89,11 @@ func (this *Router) takeDetourWithoutCache(dest v2net.Destination) (string, erro
 			for _, ipDest := range ipDests {
 				log.Info("Router: Trying IP ", ipDest)
 				for _, rule := range this.rules {
-					if rule.Apply(ipDest) {
+					if rule.Apply(&proxy.SessionInfo{
+						Source:      session.Source,
+						Destination: ipDest,
+						User:        session.User,
+					}) {
 						return rule.Tag, nil
 					}
 				}
@@ -98,15 +104,15 @@ func (this *Router) takeDetourWithoutCache(dest v2net.Destination) (string, erro
 	return "", ErrNoRuleApplicable
 }
 
-func (this *Router) TakeDetour(dest v2net.Destination) (string, error) {
-	destStr := dest.String()
-	found, tag, err := this.cache.Get(destStr)
-	if !found {
-		tag, err := this.takeDetourWithoutCache(dest)
-		this.cache.Set(destStr, tag, err)
-		return tag, err
-	}
+func (this *Router) TakeDetour(session *proxy.SessionInfo) (string, error) {
+	//destStr := dest.String()
+	//found, tag, err := this.cache.Get(destStr)
+	//if !found {
+	tag, err := this.takeDetourWithoutCache(session)
+	//this.cache.Set(destStr, tag, err)
 	return tag, err
+	//}
+	//return tag, err
 }
 
 type RouterFactory struct{}