From 0b4858d016e727a7fa99fb2727e3be081b32d401 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A7=8B=E3=81=AE=E3=81=8B=E3=81=88=E3=81=A7?= Date: Fri, 22 Jan 2021 04:50:09 +0800 Subject: [PATCH] Feature: Exclude some domains in sniffing destOverride (#151) Co-authored-by: RPRX <63339210+rprx@users.noreply.github.com> --- app/dispatcher/default.go | 17 +++- app/proxyman/config.pb.go | 181 +++++++++++++++++---------------- app/proxyman/config.proto | 1 + app/proxyman/inbound/worker.go | 2 + common/session/session.go | 1 + infra/conf/xray.go | 19 +++- 6 files changed, 127 insertions(+), 94 deletions(-) diff --git a/app/dispatcher/default.go b/app/dispatcher/default.go index 36e63c25..a2dc0775 100644 --- a/app/dispatcher/default.go +++ b/app/dispatcher/default.go @@ -175,12 +175,21 @@ func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *tran return inboundLink, outboundLink } -func shouldOverride(result SniffResult, domainOverride []string) bool { - for _, p := range domainOverride { - if strings.HasPrefix(result.Protocol(), p) { +func shouldOverride(result SniffResult, request session.SniffingRequest) bool { + domain := result.Domain() + for _, d := range request.ExcludeForDomain { + if domain == d { + return false + } + } + + protocol := result.Protocol() + for _, p := range request.OverrideDestinationForProtocol { + if strings.HasPrefix(protocol, p) { return true } } + return false } @@ -213,7 +222,7 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin if err == nil { content.Protocol = result.Protocol() } - if err == nil && shouldOverride(result, sniffingRequest.OverrideDestinationForProtocol) { + if err == nil && shouldOverride(result, sniffingRequest) { domain := result.Domain() newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx)) destination.Address = net.ParseAddress(domain) diff --git a/app/proxyman/config.pb.go b/app/proxyman/config.pb.go index a4a20fc3..c6bb8c5a 100644 --- a/app/proxyman/config.pb.go +++ b/app/proxyman/config.pb.go @@ -241,6 +241,7 @@ type SniffingConfig struct { // Override target destination if sniff'ed protocol is in the given list. // Supported values are "http", "tls". DestinationOverride []string `protobuf:"bytes,2,rep,name=destination_override,json=destinationOverride,proto3" json:"destination_override,omitempty"` + DomainsExcluded []string `protobuf:"bytes,3,rep,name=domains_excluded,json=domainsExcluded,proto3" json:"domains_excluded,omitempty"` } func (x *SniffingConfig) Reset() { @@ -289,6 +290,13 @@ func (x *SniffingConfig) GetDestinationOverride() []string { return nil } +func (x *SniffingConfig) GetDomainsExcluded() []string { + if x != nil { + return x.DomainsExcluded + } + return nil +} + type ReceiverConfig struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -756,92 +764,95 @@ var file_app_proxyman_config_proto_rawDesc = []byte{ 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x2c, 0x0a, 0x04, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06, 0x41, 0x6c, 0x77, 0x61, 0x79, 0x73, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x10, 0x01, 0x12, 0x0c, 0x0a, 0x08, 0x45, 0x78, 0x74, 0x65, 0x72, - 0x6e, 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e32d4503..27b3a18e 100644 --- a/app/proxyman/config.proto +++ b/app/proxyman/config.proto @@ -56,6 +56,7 @@ message SniffingConfig { // Override target destination if sniff'ed protocol is in the given list. // Supported values are "http", "tls". repeated string destination_override = 2; + repeated string domains_excluded = 3; } message ReceiverConfig { diff --git a/app/proxyman/inbound/worker.go b/app/proxyman/inbound/worker.go index bfed51d1..c7c7a045 100644 --- a/app/proxyman/inbound/worker.go +++ b/app/proxyman/inbound/worker.go @@ -97,6 +97,7 @@ func (w *tcpWorker) callback(conn internet.Connection) { if w.sniffingConfig != nil { content.SniffingRequest.Enabled = w.sniffingConfig.Enabled content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride + content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded } ctx = session.ContextWithContent(ctx, content) @@ -449,6 +450,7 @@ func (w *dsWorker) callback(conn internet.Connection) { if w.sniffingConfig != nil { content.SniffingRequest.Enabled = w.sniffingConfig.Enabled content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride + content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded } ctx = session.ContextWithContent(ctx, content) diff --git a/common/session/session.go b/common/session/session.go index 7b734897..de2fc854 100644 --- a/common/session/session.go +++ b/common/session/session.go @@ -60,6 +60,7 @@ type Outbound struct { // SniffingRequest controls the behavior of content sniffing. type SniffingRequest struct { + ExcludeForDomain []string OverrideDestinationForProtocol []string Enabled bool } diff --git a/infra/conf/xray.go b/infra/conf/xray.go index 34f30afa..e21018a5 100644 --- a/infra/conf/xray.go +++ b/infra/conf/xray.go @@ -58,29 +58,38 @@ func toProtocolList(s []string) ([]proxyman.KnownProtocols, error) { } type SniffingConfig struct { - Enabled bool `json:"enabled"` - DestOverride *StringList `json:"destOverride"` + Enabled bool `json:"enabled"` + DestOverride *StringList `json:"destOverride"` + DomainsExcluded *StringList `json:"domainsExcluded"` } // Build implements Buildable. func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) { var p []string if c.DestOverride != nil { - for _, domainOverride := range *c.DestOverride { - switch strings.ToLower(domainOverride) { + for _, protocol := range *c.DestOverride { + switch strings.ToLower(protocol) { case "http": p = append(p, "http") case "tls", "https", "ssl": p = append(p, "tls") default: - return nil, newError("unknown protocol: ", domainOverride) + return nil, newError("unknown protocol: ", protocol) } } } + var d []string + if c.DomainsExcluded != nil { + for _, domain := range *c.DomainsExcluded { + d = append(d, strings.ToLower(domain)) + } + } + return &proxyman.SniffingConfig{ Enabled: c.Enabled, DestinationOverride: p, + DomainsExcluded: d, }, nil }