clash/rules/common/ipcidr.go
adlyq 9b89ff9f2d feat: support sub-rule, eg.
rules:
  - SUB-RULE,(AND,((NETWORK,TCP),(DOMAIN-KEYWORD,google))),TEST2
  - SUB-RULE,(GEOIP,!CN),TEST1
  - MATCH,DIRECT

sub-rules:
  TEST2:
    - MATCH,Proxy
  TEST1:
    - RULE-SET,Local,DIRECT,no-resolve
    - GEOSITE,CN,Domestic
    - GEOIP,CN,Domestic
    - MATCH,Proxy
2022-09-06 17:30:35 +08:00

78 lines
1.2 KiB
Go

package common
import (
"net/netip"
C "github.com/Dreamacro/clash/constant"
)
type IPCIDROption func(*IPCIDR)
func WithIPCIDRSourceIP(b bool) IPCIDROption {
return func(i *IPCIDR) {
i.isSourceIP = b
}
}
func WithIPCIDRNoResolve(noResolve bool) IPCIDROption {
return func(i *IPCIDR) {
i.noResolveIP = noResolve
}
}
type IPCIDR struct {
*Base
ipnet *netip.Prefix
adapter string
isSourceIP bool
noResolveIP bool
}
func (i *IPCIDR) RuleType() C.RuleType {
if i.isSourceIP {
return C.SrcIPCIDR
}
return C.IPCIDR
}
func (i *IPCIDR) Match(metadata *C.Metadata) (bool, string) {
ip := metadata.DstIP
if i.isSourceIP {
ip = metadata.SrcIP
}
return ip.IsValid() && i.ipnet.Contains(ip), i.adapter
}
func (i *IPCIDR) Adapter() string {
return i.adapter
}
func (i *IPCIDR) Payload() string {
return i.ipnet.String()
}
func (i *IPCIDR) ShouldResolveIP() bool {
return !i.noResolveIP
}
func NewIPCIDR(s string, adapter string, opts ...IPCIDROption) (*IPCIDR, error) {
ipnet, err := netip.ParsePrefix(s)
if err != nil {
return nil, errPayload
}
ipcidr := &IPCIDR{
Base: &Base{},
ipnet: &ipnet,
adapter: adapter,
}
for _, o := range opts {
o(ipcidr)
}
return ipcidr, nil
}
//var _ C.Rule = (*IPCIDR)(nil)