mirror of
https://github.com/safing/portmaster
synced 2025-09-01 18:19:12 +00:00
95 lines
1.3 KiB
Go
95 lines
1.3 KiB
Go
package packet
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import (
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"errors"
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"fmt"
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)
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type (
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IPVersion uint8
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IPProtocol uint8
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Verdict uint8
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Endpoint bool
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)
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const (
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IPv4 = IPVersion(4)
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IPv6 = IPVersion(6)
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InBound = true
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OutBound = false
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Local = true
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Remote = false
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// convenience
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IGMP = IPProtocol(2)
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RAW = IPProtocol(255)
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TCP = IPProtocol(6)
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UDP = IPProtocol(17)
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ICMP = IPProtocol(1)
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ICMPv6 = IPProtocol(58)
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)
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const (
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DROP Verdict = iota
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BLOCK
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ACCEPT
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STOLEN
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QUEUE
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REPEAT
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STOP
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)
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var (
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ErrFailedToLoadPayload = errors.New("could not load packet payload")
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)
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// Returns the byte size of the ip, IPv4 = 4 bytes, IPv6 = 16
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func (v IPVersion) ByteSize() int {
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switch v {
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case IPv4:
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return 4
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case IPv6:
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return 16
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}
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return 0
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}
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func (v IPVersion) String() string {
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switch v {
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case IPv4:
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return "IPv4"
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case IPv6:
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return "IPv6"
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}
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return fmt.Sprintf("<unknown ip version, %d>", uint8(v))
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}
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func (p IPProtocol) String() string {
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switch p {
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case RAW:
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return "RAW"
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case TCP:
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return "TCP"
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case UDP:
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return "UDP"
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case ICMP:
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return "ICMP"
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case ICMPv6:
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return "ICMPv6"
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case IGMP:
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return "IGMP"
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}
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return fmt.Sprintf("<unknown protocol, %d>", uint8(p))
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}
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func (v Verdict) String() string {
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switch v {
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case DROP:
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return "DROP"
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case ACCEPT:
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return "ACCEPT"
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}
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return fmt.Sprintf("<unsupported verdict, %d>", uint8(v))
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}
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