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refactor: new dns app

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This commit is contained in:
AkinoKaede 2021-03-18 23:24:24 +08:00
parent 4e63c22197
commit 8884e948fe
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24 changed files with 1240 additions and 620 deletions
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6
app/router/command/config.go
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@ -28,6 +28,12 @@ func (c routingContext) GetTargetPort() net.Port {
return net.Port(c.RoutingContext.GetTargetPort())
}
// GetSkipDNSResolve is a mock implementation here to match the interface,
// SkipDNSResolve is set from dns module, no use if coming from a protobuf object?
func (c routingContext) GetSkipDNSResolve() bool {
return false
}
// AsRoutingContext converts a protobuf RoutingContext into an implementation of routing.Context.
func AsRoutingContext(r *RoutingContext) routing.Context {
return routingContext{r}

10
app/router/router.go
View file

@ -80,7 +80,13 @@ func (r *Router) PickRoute(ctx routing.Context) (routing.Route, error) {
}
func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context, error) {
if r.domainStrategy == Config_IpOnDemand {
// SkipDNSResolve is set from DNS module.
// the DOH remote server maybe a domain name,
// this prevents cycle resolving dead loop
skipDNSResolve := ctx.GetSkipDNSResolve()
if r.domainStrategy == Config_IpOnDemand && !skipDNSResolve {
ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)
}
@ -90,7 +96,7 @@ func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context,
}
}
if r.domainStrategy != Config_IpIfNonMatch || len(ctx.GetTargetDomain()) == 0 {
if r.domainStrategy != Config_IpIfNonMatch || len(ctx.GetTargetDomain()) == 0 || skipDNSResolve {
return nil, ctx, common.ErrNoClue
}