func (this *SwitchAccount) Unmarshal(data []byte) error {
lenHost := int(data[0])
if len(data) < lenHost+1 {
return transport.CorruptedPacket
}
this.Host = v2net.ParseAddress(string(data[1 : 1+lenHost]))
portStart := 1 + lenHost
if len(data) < portStart+2 {
return transport.CorruptedPacket
}
this.Port = v2net.PortFromBytes(data[portStart : portStart+2])
idStart := portStart + 2
if len(data) < idStart+16 {
return transport.CorruptedPacket
}
this.ID, _ = uuid.ParseBytes(data[idStart : idStart+16])
alterIdStart := idStart + 16
if len(data) < alterIdStart+2 {
return transport.CorruptedPacket
}
this.AlterIds = serial.ParseUint16(data[alterIdStart : alterIdStart+2])
levelStart := alterIdStart + 2
if len(data) < levelStart {
return transport.CorruptedPacket
}
this.Level = vmess.UserLevel(data[levelStart])
timeStart := levelStart + 1
if len(data) < timeStart {
return transport.CorruptedPacket
}
this.ValidMin = data[timeStart]
return nil
}
func (this *SwitchAccount) Unmarshal(data []byte) error {
lenHost := int(data[0])
if len(data) < lenHost+1 {
return transport.CorruptedPacket
}
this.Host = v2net.ParseAddress(string(data[1 : 1+lenHost]))
portStart := 1 + lenHost
if len(data) < portStart+2 {
return transport.CorruptedPacket
}
this.Port = v2net.PortFromBytes(data[portStart : portStart+2])
idStart := portStart + 2
if len(data) < idStart+16 {
return transport.CorruptedPacket
}
this.ID, _ = uuid.ParseBytes(data[idStart : idStart+16])
alterIdStart := idStart + 16
if len(data) < alterIdStart+2 {
return transport.CorruptedPacket
}
this.AlterIds = serial.ParseUint16(data[alterIdStart : alterIdStart+2])
timeStart := alterIdStart + 2
if len(data) < timeStart+8 {
return transport.CorruptedPacket
}
this.ValidUntil = time.Unix(serial.BytesLiteral(data[timeStart:timeStart+8]).Int64Value(), 0)
return nil
}
func (request *Socks5Request) Destination() v2net.Destination {
switch request.AddrType {
case AddrTypeIPv4:
return v2net.TCPDestination(v2net.IPAddress(request.IPv4[:]), request.Port)
case AddrTypeIPv6:
return v2net.TCPDestination(v2net.IPAddress(request.IPv6[:]), request.Port)
case AddrTypeDomain:
return v2net.TCPDestination(v2net.ParseAddress(request.Domain), request.Port)
default:
panic("Unknown address type")
}
}
func ReadUDPRequest(packet []byte) (*Socks5UDPRequest, error) {
if len(packet) < 5 {
return nil, transport.ErrorCorruptedPacket
}
request := new(Socks5UDPRequest)
// packet[0] and packet[1] are reserved
request.Fragment = packet[2]
addrType := packet[3]
var dataBegin int
switch addrType {
case AddrTypeIPv4:
if len(packet) < 10 {
return nil, transport.ErrorCorruptedPacket
}
ip := packet[4:8]
request.Port = v2net.PortFromBytes(packet[8:10])
request.Address = v2net.IPAddress(ip)
dataBegin = 10
case AddrTypeIPv6:
if len(packet) < 22 {
return nil, transport.ErrorCorruptedPacket
}
ip := packet[4:20]
request.Port = v2net.PortFromBytes(packet[20:22])
request.Address = v2net.IPAddress(ip)
dataBegin = 22
case AddrTypeDomain:
domainLength := int(packet[4])
if len(packet) < 5+domainLength+2 {
return nil, transport.ErrorCorruptedPacket
}
domain := string(packet[5 : 5+domainLength])
request.Port = v2net.PortFromBytes(packet[5+domainLength : 5+domainLength+2])
request.Address = v2net.ParseAddress(domain)
dataBegin = 5 + domainLength + 2
default:
log.Warning("Unknown address type ", addrType)
return nil, ErrorUnknownAddressType
}
if len(packet) > dataBegin {
request.Data = alloc.NewBuffer().Clear().Append(packet[dataBegin:])
}
return request, nil
}
func (this *CommandSwitchAccountFactory) Unmarshal(data []byte) (interface{}, error) {
cmd := new(protocol.CommandSwitchAccount)
if len(data) == 0 {
return nil, transport.ErrCorruptedPacket
}
lenHost := int(data[0])
if len(data) < lenHost+1 {
return nil, transport.ErrCorruptedPacket
}
if lenHost > 0 {
cmd.Host = v2net.ParseAddress(string(data[1 : 1+lenHost]))
}
portStart := 1 + lenHost
if len(data) < portStart+2 {
return nil, transport.ErrCorruptedPacket
}
cmd.Port = v2net.PortFromBytes(data[portStart : portStart+2])
idStart := portStart + 2
if len(data) < idStart+16 {
return nil, transport.ErrCorruptedPacket
}
cmd.ID, _ = uuid.ParseBytes(data[idStart : idStart+16])
alterIdStart := idStart + 16
if len(data) < alterIdStart+2 {
return nil, transport.ErrCorruptedPacket
}
cmd.AlterIds = serial.BytesToUint16(data[alterIdStart : alterIdStart+2])
levelStart := alterIdStart + 2
if len(data) < levelStart+1 {
return nil, transport.ErrCorruptedPacket
}
cmd.Level = protocol.UserLevel(data[levelStart])
timeStart := levelStart + 1
if len(data) < timeStart {
return nil, transport.ErrCorruptedPacket
}
cmd.ValidMin = data[timeStart]
return cmd, nil
}
