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Add custom prefix support in EDNS0 client subnet options

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世界
2024-05-12 15:06:21 +08:00
parent f6b04590b4
commit 2be319ea85
15 changed files with 96 additions and 41 deletions
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4
option/dns.go
View File

@@ -19,7 +19,7 @@ type DNSServerOptions struct {
AddressFallbackDelay Duration `json:"address_fallback_delay,omitempty"`
Strategy DomainStrategy `json:"strategy,omitempty"`
Detour string `json:"detour,omitempty"`
ClientSubnet *ListenAddress `json:"client_subnet,omitempty"`
ClientSubnet *AddrPrefix `json:"client_subnet,omitempty"`
}
type DNSClientOptions struct {
@@ -27,7 +27,7 @@ type DNSClientOptions struct {
DisableCache bool `json:"disable_cache,omitempty"`
DisableExpire bool `json:"disable_expire,omitempty"`
IndependentCache bool `json:"independent_cache,omitempty"`
ClientSubnet *ListenAddress `json:"client_subnet,omitempty"`
ClientSubnet *AddrPrefix `json:"client_subnet,omitempty"`
}
type DNSFakeIPOptions struct {

16
option/rule_dns.go
View File

@@ -101,7 +101,7 @@ type DefaultDNSRule struct {
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
RewriteTTL *uint32 `json:"rewrite_ttl,omitempty"`
ClientSubnet *ListenAddress `json:"client_subnet,omitempty"`
ClientSubnet *AddrPrefix `json:"client_subnet,omitempty"`
}
func (r DefaultDNSRule) IsValid() bool {
@@ -115,13 +115,13 @@ func (r DefaultDNSRule) IsValid() bool {
}
type LogicalDNSRule struct {
Mode string `json:"mode"`
Rules []DNSRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
RewriteTTL *uint32 `json:"rewrite_ttl,omitempty"`
ClientSubnet *ListenAddress `json:"client_subnet,omitempty"`
Mode string `json:"mode"`
Rules []DNSRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
RewriteTTL *uint32 `json:"rewrite_ttl,omitempty"`
ClientSubnet *AddrPrefix `json:"client_subnet,omitempty"`
}
func (r LogicalDNSRule) IsValid() bool {

34
option/types.go
View File

@@ -51,6 +51,40 @@ func (a *ListenAddress) Build() netip.Addr {
return (netip.Addr)(*a)
}
type AddrPrefix netip.Prefix
func (a AddrPrefix) MarshalJSON() ([]byte, error) {
prefix := netip.Prefix(a)
if prefix.Bits() == prefix.Addr().BitLen() {
return json.Marshal(prefix.Addr().String())
} else {
return json.Marshal(prefix.String())
}
}
func (a *AddrPrefix) UnmarshalJSON(content []byte) error {
var value string
err := json.Unmarshal(content, &value)
if err != nil {
return err
}
prefix, prefixErr := netip.ParsePrefix(value)
if prefixErr == nil {
*a = AddrPrefix(prefix)
return nil
}
addr, addrErr := netip.ParseAddr(value)
if addrErr == nil {
*a = AddrPrefix(netip.PrefixFrom(addr, addr.BitLen()))
return nil
}
return prefixErr
}
func (a AddrPrefix) Build() netip.Prefix {
return netip.Prefix(a)
}
type NetworkList string
func (v *NetworkList) UnmarshalJSON(content []byte) error {