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feat: add option to override destination of access log
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When SystemPolicy.OverrideAccessLogDest is enabled, destination host
in access log will be replaced with sniffed host. (#866)
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@mydogshitgold @xiaokangwang
mydogshitgold authored and xiaokangwang committed Feb 19, 2023
1 parent c5386b8 commit 5893d2f
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Showing 6 changed files with 58 additions and 38 deletions.
3 changes: 3 additions & 0 deletions app/dispatcher/default.go
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Original file line number Diff line number Diff line change
Expand Up @@ -326,6 +326,9 @@ func (d *DefaultDispatcher) routedDispatch(ctx context.Context, link *transport.
if accessMessage := log.AccessMessageFromContext(ctx); accessMessage != nil {
if tag := handler.Tag(); tag != "" {
accessMessage.Detour = tag
if d.policy.ForSystem().OverrideAccessLogDest {
accessMessage.To = destination
}
}
log.Record(accessMessage)
}
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1 change: 1 addition & 0 deletions app/policy/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -89,5 +89,6 @@ func (p *SystemPolicy) ToCorePolicy() policy.System {
OutboundUplink: p.Stats.OutboundUplink,
OutboundDownlink: p.Stats.OutboundDownlink,
},
OverrideAccessLogDest: p.OverrideAccessLogDest,
}
}
84 changes: 48 additions & 36 deletions app/policy/config.pb.go
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,8 @@ type SystemPolicy struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields

Stats *SystemPolicy_Stats `protobuf:"bytes,1,opt,name=stats,proto3" json:"stats,omitempty"`
Stats *SystemPolicy_Stats `protobuf:"bytes,1,opt,name=stats,proto3" json:"stats,omitempty"`
OverrideAccessLogDest bool `protobuf:"varint,2,opt,name=override_access_log_dest,json=overrideAccessLogDest,proto3" json:"override_access_log_dest,omitempty"`
}

func (x *SystemPolicy) Reset() {
Expand Down Expand Up @@ -172,6 +173,13 @@ func (x *SystemPolicy) GetStats() *SystemPolicy_Stats {
return nil
}

func (x *SystemPolicy) GetOverrideAccessLogDest() bool {
if x != nil {
return x.OverrideAccessLogDest
}
return false
}

type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
Expand Down Expand Up @@ -520,45 +528,49 @@ var file_app_policy_config_proto_rawDesc = []byte{
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}

var (
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1 change: 1 addition & 0 deletions app/policy/config.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ message SystemPolicy {
}

Stats stats = 1;
bool override_access_log_dest = 2;
}

message Config {
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5 changes: 3 additions & 2 deletions features/policy/policy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ type SystemStats struct {

// System contains policy settings at system level.
type System struct {
Stats SystemStats
Buffer Buffer
Stats SystemStats
OverrideAccessLogDest bool
Buffer Buffer
}

// Session is session based settings for controlling V2Ray requests. It contains various settings (or limits) that may differ for different users in the context.
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2 changes: 2 additions & 0 deletions infra/conf/v4/policy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ type SystemPolicy struct {
StatsInboundDownlink bool `json:"statsInboundDownlink"`
StatsOutboundUplink bool `json:"statsOutboundUplink"`
StatsOutboundDownlink bool `json:"statsOutboundDownlink"`
OverrideAccessLogDest bool `json:"overrideAccessLogDest"`
}

func (p *SystemPolicy) Build() (*policy.SystemPolicy, error) {
Expand All @@ -65,6 +66,7 @@ func (p *SystemPolicy) Build() (*policy.SystemPolicy, error) {
OutboundUplink: p.StatsOutboundUplink,
OutboundDownlink: p.StatsOutboundDownlink,
},
OverrideAccessLogDest: p.OverrideAccessLogDest,
}, nil
}

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