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Feature: resolve ip with a proxy adapter

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This commit is contained in:
yaling888
2022-02-23 02:38:50 +08:00
parent b192238699
commit d876d6e74c
14 changed files with 357 additions and 101 deletions
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36
dns/resolver.go
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@ -12,6 +12,7 @@ import (
"github.com/Dreamacro/clash/common/cache"
"github.com/Dreamacro/clash/common/picker"
"github.com/Dreamacro/clash/component/fakeip"
"github.com/Dreamacro/clash/component/geodata/router"
"github.com/Dreamacro/clash/component/resolver"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
@ -230,13 +231,12 @@ func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err er
msgCh := r.asyncExchange(ctx, r.main, m)
if r.fallback == nil { // directly return if no fallback servers are available
if r.fallback == nil || len(r.fallback) == 0 { // directly return if no fallback servers are available
res := <-msgCh
msg, err = res.Msg, res.Error
return
}
fallbackMsg := r.asyncExchange(ctx, r.fallback, m)
res := <-msgCh
if res.Error == nil {
if ips := msgToIP(res.Msg); len(ips) != 0 {
@ -248,7 +248,7 @@ func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err er
}
}
res = <-fallbackMsg
res = <-r.asyncExchange(ctx, r.fallback, m)
msg, err = res.Msg, res.Error
return
}
@ -302,9 +302,10 @@ func (r *Resolver) asyncExchange(ctx context.Context, client []dnsClient, msg *D
}
type NameServer struct {
Net string
Addr string
Interface string
Net string
Addr string
Interface string
ProxyAdapter string
}
type FallbackFilter struct {
@ -312,6 +313,7 @@ type FallbackFilter struct {
GeoIPCode string
IPCIDR []*net.IPNet
Domain []string
GeoSite []*router.DomainMatcher
}
type Config struct {
@ -360,10 +362,28 @@ func NewResolver(config Config) *Resolver {
}
r.fallbackIPFilters = fallbackIPFilters
fallbackDomainFilters := []fallbackDomainFilter{}
if len(config.FallbackFilter.Domain) != 0 {
fallbackDomainFilters := []fallbackDomainFilter{NewDomainFilter(config.FallbackFilter.Domain)}
r.fallbackDomainFilters = fallbackDomainFilters
fallbackDomainFilters = append(fallbackDomainFilters, NewDomainFilter(config.FallbackFilter.Domain))
}
if len(config.FallbackFilter.GeoSite) != 0 {
fallbackDomainFilters = append(fallbackDomainFilters, &geoSiteFilter{
matchers: config.FallbackFilter.GeoSite,
})
}
r.fallbackDomainFilters = fallbackDomainFilters
return r
}
func NewMainResolver(old *Resolver) *Resolver {
r := &Resolver{
ipv6: old.ipv6,
main: old.main,
lruCache: old.lruCache,
hosts: old.hosts,
policy: old.policy,
}
return r
}