NewRequest creates a new request from the connection data stream
(bufConn io.Reader)
| 73 | |
| 74 | // NewRequest creates a new request from the connection data stream |
| 75 | func NewRequest(bufConn io.Reader) (*Request, error) { |
| 76 | // Read the version byte |
| 77 | header := []byte{0, 0, 0} |
| 78 | if _, err := io.ReadAtLeast(bufConn, header, 3); err != nil { |
| 79 | return nil, fmt.Errorf("Failed to get command version: %v", err) |
| 80 | } |
| 81 | |
| 82 | // ensure compatibility |
| 83 | if header[0] != socks5Version { |
| 84 | return nil, fmt.Errorf("Unsupported command version: %v", header[0]) |
| 85 | } |
| 86 | |
| 87 | // Read in the destination address |
| 88 | dest, err := readAddrSpec(bufConn) |
| 89 | if err != nil { |
| 90 | return nil, err |
| 91 | } |
| 92 | |
| 93 | return &Request{ |
| 94 | Version: socks5Version, |
| 95 | Command: header[1], |
| 96 | DestAddr: dest, |
| 97 | bufConn: bufConn, |
| 98 | }, nil |
| 99 | } |
| 100 | |
| 101 | func sendReply(w io.Writer, resp uint8, addr *AddrSpec) error { |
| 102 | var addrType uint8 |