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Code Issues Releases Activity

Feat: add disableFallback & skipFallback option for DNS client (#489)

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This commit is contained in:
秋のかえで
2021-04-10 00:07:08 +08:00
committed by GitHub
parent 70b63e21a5
commit 6e902b24ae
6 changed files with 191 additions and 145 deletions
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44
infra/conf/dns.go
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@ -11,11 +11,12 @@ import (
)
type NameServerConfig struct {
Address *Address
ClientIP *Address
Port uint16
Domains []string
ExpectIPs StringList
Address *Address
ClientIP *Address
Port uint16
SkipFallback bool
Domains []string
ExpectIPs StringList
}
func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
@ -26,16 +27,18 @@ func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
}
var advanced struct {
Address *Address `json:"address"`
ClientIP *Address `json:"clientIp"`
Port uint16 `json:"port"`
Domains []string `json:"domains"`
ExpectIPs StringList `json:"expectIps"`
Address *Address `json:"address"`
ClientIP *Address `json:"clientIp"`
Port uint16 `json:"port"`
SkipFallback bool `json:"skipFallback"`
Domains []string `json:"domains"`
ExpectIPs StringList `json:"expectIps"`
}
if err := json.Unmarshal(data, &advanced); err == nil {
c.Address = advanced.Address
c.ClientIP = advanced.ClientIP
c.Port = advanced.Port
c.SkipFallback = advanced.SkipFallback
c.Domains = advanced.Domains
c.ExpectIPs = advanced.ExpectIPs
return nil
@ -104,6 +107,7 @@ func (c *NameServerConfig) Build() (*dns.NameServer, error) {
Port: uint32(c.Port),
},
ClientIp: myClientIP,
SkipFallback: c.SkipFallback,
PrioritizedDomain: domains,
Geoip: geoipList,
OriginalRules: originalRules,
@ -119,13 +123,14 @@ var typeMap = map[router.Domain_Type]dns.DomainMatchingType{
// DNSConfig is a JSON serializable object for dns.Config.
type DNSConfig struct {
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*Address `json:"hosts"`
ClientIP *Address `json:"clientIp"`
Tag string `json:"tag"`
QueryStrategy string `json:"queryStrategy"`
CacheStrategy string `json:"cacheStrategy"`
DisableCache bool `json:"disableCache"`
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*Address `json:"hosts"`
ClientIP *Address `json:"clientIp"`
Tag string `json:"tag"`
QueryStrategy string `json:"queryStrategy"`
CacheStrategy string `json:"cacheStrategy"`
DisableCache bool `json:"disableCache"`
DisableFallback bool `json:"disableFallback"`
}
func getHostMapping(addr *Address) *dns.Config_HostMapping {
@ -143,8 +148,9 @@ func getHostMapping(addr *Address) *dns.Config_HostMapping {
// Build implements Buildable
func (c *DNSConfig) Build() (*dns.Config, error) {
config := &dns.Config{
Tag: c.Tag,
CacheStrategy: dns.CacheStrategy_Cache_ALL,
Tag: c.Tag,
CacheStrategy: dns.CacheStrategy_Cache_ALL,
DisableFallback: c.DisableFallback,
}
if c.DisableCache {