icmp: add simple multipart message validation

This change adds simple validation for multipart messages to avoid
generating incorrect messages and introduces RawBody and RawExtension
to control message validation. RawBody and RawExtension are excluded
from normal message processing and can be used to construct crafted
messages for applications such as wire format testing.

Fixes golang/go#28686.

Change-Id: I56f51d6566142f5e1dcc75cfce5250801e583d6d
Reviewed-on: https://go-review.googlesource.com/c/net/+/155859
Run-TryBot: Mikio Hara <mikioh.public.networking@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
10 files changed
tree: 59ffa0c9b12625fe0c5f585891144f0ff653170e
  1. bpf/
  2. context/
  3. dict/
  4. dns/
  5. html/
  6. http/
  7. http2/
  8. icmp/
  9. idna/
  10. internal/
  11. ipv4/
  12. ipv6/
  13. lif/
  14. nettest/
  15. netutil/
  16. proxy/
  17. publicsuffix/
  18. route/
  19. trace/
  20. webdav/
  21. websocket/
  22. xsrftoken/
  23. .gitattributes
  24. .gitignore
  25. AUTHORS
  26. codereview.cfg
  27. CONTRIBUTING.md
  28. CONTRIBUTORS
  29. LICENSE
  30. PATENTS
  31. README.md
README.md

Go Networking

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