Feature: Exclude some domains in sniffing destOverride (#151)

Co-authored-by: RPRX <63339210+rprx@users.noreply.github.com>
This commit is contained in:
秋のかえで 2021-01-22 04:50:09 +08:00 committed by GitHub
parent 7f5e34c857
commit 0b4858d016
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 127 additions and 94 deletions

View File

@ -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)

View File

@ -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{
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0x33,
}
var (

View File

@ -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 {

View File

@ -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)

View File

@ -60,6 +60,7 @@ type Outbound struct {
// SniffingRequest controls the behavior of content sniffing.
type SniffingRequest struct {
ExcludeForDomain []string
OverrideDestinationForProtocol []string
Enabled bool
}

View File

@ -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
}