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Add routeOnly sniffing option

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This commit is contained in:
世界 2021-09-16 15:05:48 +08:00
parent 6c9e57d624
commit a3023e43ef
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GPG key ID: CD109927C34A63C4
8 changed files with 121 additions and 89 deletions
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12
app/dispatcher/default.go
View file

@ -237,7 +237,11 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
domain := result.Domain()
newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
destination.Address = net.ParseAddress(domain)
ob.Target = destination
if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
ob.RouteTarget = destination
} else {
ob.Target = destination
}
}
}
go d.routedDispatch(ctx, outbound, destination)
@ -255,7 +259,11 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
domain := result.Domain()
newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
destination.Address = net.ParseAddress(domain)
ob.Target = destination
if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
ob.RouteTarget = destination
} else {
ob.Target = destination
}
}
d.routedDispatch(ctx, outbound, destination)
}()

170
app/proxyman/config.pb.go
View file

@ -240,6 +240,7 @@ type SniffingConfig struct {
// Whether should only try to sniff metadata without waiting for client input.
// Can be used to support SMTP like protocol where server send the first message.
MetadataOnly bool `protobuf:"varint,4,opt,name=metadata_only,json=metadataOnly,proto3" json:"metadata_only,omitempty"`
RouteOnly bool `protobuf:"varint,5,opt,name=route_only,json=routeOnly,proto3" json:"route_only,omitempty"`
}
func (x *SniffingConfig) Reset() {
@ -302,6 +303,13 @@ func (x *SniffingConfig) GetMetadataOnly() bool {
return false
}
func (x *SniffingConfig) GetRouteOnly() bool {
if x != nil {
return x.RouteOnly
}
return false
}
type ReceiverConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -769,7 +777,7 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
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@ -780,86 +788,88 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
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}
var (

4
app/proxyman/config.proto
View file

@ -57,10 +57,12 @@ message SniffingConfig {
// Supported values are "http", "tls", "fakedns".
repeated string destination_override = 2;
repeated string domains_excluded = 3;
// Whether should only try to sniff metadata without waiting for client input.
// Can be used to support SMTP like protocol where server send the first message.
bool metadata_only = 4;
bool route_only = 5;
}
message ReceiverConfig {

3
app/proxyman/inbound/worker.go
View file

@ -101,6 +101,7 @@ func (w *tcpWorker) callback(conn stat.Connection) {
content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
}
ctx = session.ContextWithContent(ctx, content)
@ -320,6 +321,7 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
content.SniffingRequest.Enabled = w.sniffingConfig.Enabled
content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
}
ctx = session.ContextWithContent(ctx, content)
if err := w.proxy.Process(ctx, net.Network_UDP, conn, w.dispatcher); err != nil {
@ -463,6 +465,7 @@ func (w *dsWorker) callback(conn stat.Connection) {
content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
}
ctx = session.ContextWithContent(ctx, content)

4
common/session/session.go
View file

@ -53,7 +53,8 @@ type Inbound struct {
// Outbound is the metadata of an outbound connection.
type Outbound struct {
// Target address of the outbound connection.
Target net.Destination
Target net.Destination
RouteTarget net.Destination
// Gateway address
Gateway net.Address
}
@ -64,6 +65,7 @@ type SniffingRequest struct {
OverrideDestinationForProtocol []string
Enabled bool
MetadataOnly bool
RouteOnly bool
}
// Content is the metadata of the connection content.

8
features/routing/dns/context.go
View file

@ -17,10 +17,6 @@ type ResolvableContext struct {
// GetTargetIPs overrides original routing.Context's implementation.
func (ctx *ResolvableContext) GetTargetIPs() []net.IP {
if ips := ctx.Context.GetTargetIPs(); len(ips) != 0 {
return ips
}
if len(ctx.resolvedIPs) > 0 {
return ctx.resolvedIPs
}
@ -38,6 +34,10 @@ func (ctx *ResolvableContext) GetTargetIPs() []net.IP {
newError("resolve ip for ", domain).Base(err).WriteToLog()
}
if ips := ctx.Context.GetTargetIPs(); len(ips) != 0 {
return ips
}
return nil
}

7
features/routing/session/context.go
View file

@ -70,7 +70,12 @@ func (ctx *Context) GetTargetDomain() string {
if ctx.Outbound == nil || !ctx.Outbound.Target.IsValid() {
return ""
}
dest := ctx.Outbound.Target
dest := ctx.Outbound.RouteTarget
if dest.IsValid() && dest.Address.Family().IsDomain() {
return dest.Address.Domain()
}
dest = ctx.Outbound.Target
if !dest.Address.Family().IsDomain() {
return ""
}

2
infra/conf/xray.go
View file

@ -64,6 +64,7 @@ type SniffingConfig struct {
DestOverride *StringList `json:"destOverride"`
DomainsExcluded *StringList `json:"domainsExcluded"`
MetadataOnly bool `json:"metadataOnly"`
RouteOnly bool `json:"routeOnly"`
}
// Build implements Buildable.
@ -98,6 +99,7 @@ func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) {
DestinationOverride: p,
DomainsExcluded: d,
MetadataOnly: c.MetadataOnly,
RouteOnly: c.RouteOnly,
}, nil
}