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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,48 @@ | ||
package config | ||
|
||
import ( | ||
"inet.af/netaddr" | ||
"strings" | ||
) | ||
|
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var Ipv4Set *netaddr.IPSet | ||
|
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func GenerateIpv4Set() error { | ||
ipv4SetBuilder := netaddr.IPSetBuilder{} | ||
|
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dnsIps := GetDnsIps() | ||
if dnsIps != nil { | ||
for _, ip := range dnsIps { | ||
ipv4SetBuilder.Add(netaddr.MustParseIP(ip)) | ||
} | ||
} | ||
|
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ipv4RangeRules := GetIpv4Rules() | ||
if ipv4RangeRules != nil { | ||
for _, rule := range *ipv4RangeRules { | ||
if rule.CIDR { | ||
ipv4SetBuilder.AddPrefix(netaddr.MustParseIPPrefix(rule.Rule)) | ||
} else { | ||
ip1 := netaddr.MustParseIP(strings.Split(rule.Rule, "~")[0]) | ||
ip2 := netaddr.MustParseIP(strings.Split(rule.Rule, "~")[1]) | ||
ipv4SetBuilder.AddRange(netaddr.IPRangeFrom(ip1, ip2)) | ||
} | ||
} | ||
} | ||
|
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var err error | ||
Ipv4Set, err = ipv4SetBuilder.IPSet() | ||
if err != nil { | ||
return err | ||
} | ||
|
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return nil | ||
} | ||
|
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func IsIpv4SetAvailable() bool { | ||
return Ipv4Set != nil | ||
} | ||
|
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func GetIpv4Set() *netaddr.IPSet { | ||
return Ipv4Set | ||
} |
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