(tcp *layers.TCP, ci gopacket.CaptureInfo, dir reassembly.TCPFlowDirection, nextSeq reassembly.Sequence, start *bool, ac reassembly.AssemblerContext)
| 334 | } |
| 335 | |
| 336 | func (t *tcpStream) Accept(tcp *layers.TCP, ci gopacket.CaptureInfo, dir reassembly.TCPFlowDirection, nextSeq reassembly.Sequence, start *bool, ac reassembly.AssemblerContext) bool { |
| 337 | // FSM |
| 338 | if !t.tcpstate.CheckState(tcp, dir) { |
| 339 | Error("FSM", "%s: Packet rejected by FSM (state:%s)\n", t.ident, t.tcpstate.String()) |
| 340 | stats.rejectFsm++ |
| 341 | if !t.fsmerr { |
| 342 | t.fsmerr = true |
| 343 | stats.rejectConnFsm++ |
| 344 | } |
| 345 | if !*ignorefsmerr { |
| 346 | return false |
| 347 | } |
| 348 | } |
| 349 | // Options |
| 350 | err := t.optchecker.Accept(tcp, ci, dir, nextSeq, start) |
| 351 | if err != nil { |
| 352 | Error("OptionChecker", "%s: Packet rejected by OptionChecker: %s\n", t.ident, err) |
| 353 | stats.rejectOpt++ |
| 354 | if !*nooptcheck { |
| 355 | return false |
| 356 | } |
| 357 | } |
| 358 | // Checksum |
| 359 | accept := true |
| 360 | if *checksum { |
| 361 | c, err := tcp.ComputeChecksum() |
| 362 | if err != nil { |
| 363 | Error("ChecksumCompute", "%s: Got error computing checksum: %s\n", t.ident, err) |
| 364 | accept = false |
| 365 | } else if c != 0x0 { |
| 366 | Error("Checksum", "%s: Invalid checksum: 0x%x\n", t.ident, c) |
| 367 | accept = false |
| 368 | } |
| 369 | } |
| 370 | if !accept { |
| 371 | stats.rejectOpt++ |
| 372 | } |
| 373 | return accept |
| 374 | } |
| 375 | |
| 376 | func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.AssemblerContext) { |
| 377 | dir, start, end, skip := sg.Info() |
nothing calls this directly
no test coverage detected