* Build a SOCKS5 request
(command, address, port)
| 292 | * Build a SOCKS5 request |
| 293 | */ |
| 294 | buildConnectRequest (command, address, port) { |
| 295 | // Parse address to determine type and buffer |
| 296 | const { type: addressType, buffer: addressBuffer } = parseAddress(address) |
| 297 | |
| 298 | // Build request |
| 299 | // +----+-----+-------+------+----------+----------+ |
| 300 | // |VER | CMD | RSV | ATYP | DST.ADDR | DST.PORT | |
| 301 | // +----+-----+-------+------+----------+----------+ |
| 302 | // | 1 | 1 | X'00' | 1 | Variable | 2 | |
| 303 | // +----+-----+-------+------+----------+----------+ |
| 304 | const request = Buffer.alloc(4 + addressBuffer.length + 2) |
| 305 | request[0] = SOCKS_VERSION |
| 306 | request[1] = command |
| 307 | request[2] = 0x00 // Reserved |
| 308 | request[3] = addressType |
| 309 | addressBuffer.copy(request, 4) |
| 310 | request.writeUInt16BE(port, 4 + addressBuffer.length) |
| 311 | |
| 312 | return request |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Handle CONNECT response |
no test coverage detected