Files
OpenGFW/ruleset/builtins/cidr.go
Mxmilu666 1f39137fcd
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2026-02-01 10:29:12 +08:00

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Go

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
}