Files
OpenGFW/ruleset/builtins/cidr.go
T

19 lines
296 B
Go
Raw Normal View History

2024-02-18 06:21:12 +08:00
package builtins
import (
"net"
)
func MatchCIDR(ip string, cidr *net.IPNet) bool {
ipAddr := net.ParseIP(ip)
if ipAddr == nil {
return false
}
return cidr.Contains(ipAddr)
}
func CompileCIDR(cidr string) (*net.IPNet, error) {
_, ipNet, err := net.ParseCIDR(cidr)
return ipNet, err
}