mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-22 10:08:15 -05:00
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package scenarios
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import (
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v2net "github.com/v2ray/v2ray-core/common/net"
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)
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const (
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socks5Version = byte(0x05)
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)
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func socks5AuthMethodRequest(methods ...byte) []byte {
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request := []byte{socks5Version, byte(len(methods))}
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request = append(request, methods...)
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return request
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}
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func appendAddress(request []byte, address v2net.Address) []byte {
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switch {
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case address.IsIPv4():
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request = append(request, byte(0x01))
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request = append(request, address.IP()...)
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case address.IsIPv6():
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request = append(request, byte(0x04))
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request = append(request, address.IP()...)
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case address.IsDomain():
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request = append(request, byte(0x03), byte(len(address.Domain())))
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request = append(request, []byte(address.Domain())...)
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}
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return request
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}
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func socks5Request(command byte, address v2net.Destination) []byte {
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request := []byte{socks5Version, command, 0}
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request = appendAddress(request, address.Address())
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request = append(request, address.Port().Bytes()...)
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return request
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}
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func socks5UDPRequest(address v2net.Destination, payload []byte) []byte {
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request := make([]byte, 0, 1024)
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request = append(request, 0, 0, 0)
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request = appendAddress(request, address.Address())
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request = append(request, address.Port().Bytes()...)
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request = append(request, payload...)
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return request
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}
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