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https://github.com/SagerNet/sing.git
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94 lines
1.4 KiB
Go
94 lines
1.4 KiB
Go
package socksaddr
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import (
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"net"
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"net/netip"
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)
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type Addr interface {
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Family() Family
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Addr() netip.Addr
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Fqdn() string
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String() string
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}
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func AddrFromIP(ip net.IP) Addr {
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addr, _ := netip.AddrFromSlice(ip)
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if addr.Is4() {
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return Addr4(addr.As4())
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} else {
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return Addr16(addr.As16())
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}
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}
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func AddressFromNetAddr(netAddr net.Addr) (addr Addr, port uint16) {
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var ip net.IP
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switch addr := netAddr.(type) {
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case *net.TCPAddr:
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ip = addr.IP
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port = uint16(addr.Port)
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case *net.UDPAddr:
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ip = addr.IP
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port = uint16(addr.Port)
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}
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return AddrFromIP(ip), port
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}
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func AddrFromFqdn(fqdn string) Addr {
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return AddrFqdn(fqdn)
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}
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type Addr4 [4]byte
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func (a Addr4) Family() Family {
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return AddressFamilyIPv4
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}
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func (a Addr4) Addr() netip.Addr {
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return netip.AddrFrom4(a)
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}
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func (a Addr4) Fqdn() string {
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return ""
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}
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func (a Addr4) String() string {
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return net.IP(a[:]).String()
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}
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type Addr16 [16]byte
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func (a Addr16) Family() Family {
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return AddressFamilyIPv6
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}
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func (a Addr16) Addr() netip.Addr {
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return netip.AddrFrom16(a)
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}
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func (a Addr16) Fqdn() string {
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return ""
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}
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func (a Addr16) String() string {
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return net.IP(a[:]).String()
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}
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type AddrFqdn string
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func (f AddrFqdn) Family() Family {
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return AddressFamilyFqdn
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}
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func (f AddrFqdn) Addr() netip.Addr {
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return netip.Addr{}
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}
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func (f AddrFqdn) Fqdn() string {
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return string(f)
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}
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func (f AddrFqdn) String() string {
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return string(f)
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}
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