[Bug 1886551] Re: wireshark trace decryption

[Ioanna Alifieraki]

I've done some initial investigation on what's needed to be backported
to apply the above commits in bionic.

The list of commits that need to be backported :

18) 74a1ced5f706ea6a9cab885693c7755657b81a2a smbinfo.rst: document new `keys` command
17) 07c5812c062ac584511f244f91fcdfd5d08c8b68 smbinfo: Add SETCOMPRESSION support
16) 6df98da5cd3fbb33f6f535c6784f037bbadadb84 smbinfo: print the security information needed to decrypt wireshark trace 
15) 1e4fca25948d52fc29410963663f3af72275bcb6 smbinfo: add GETCOMPRESSION support
14) 12c2f088fa3d666fc5aa48a700e740523d8d2023 smbinfo: Improve help usage and add -h option.
13) aee01e0e61837fc8eb273039c5d1e11634b2e56a smbinfo: use constant for input buffer length
12) 98907475550ecd459cb6eae9787c53b7e032448d smbinfo: make argument order consistent
11) 74ae05342aeb0abe94f1ab9adfdecbbb6ce16dcb smbinfo: Add ability to query snapshots (previous versions)
10) 49eb190518c5000d48c929b21304edd2e8522ea6 smbinfo: missing help for fsctl-getobjid
9) fb33ba335325020d4f42985491f2f98eddffc165 smbinfo: add fsctl-getobjid support
8) f9f5d421d62decc5f0d025b77415708b1c45d234 smbinfo: fix code style
7) 1191a6cafde1f6e39546cab26a5b90c3cca523fd smbinfo: decode the ACEs
6) 70902177e944c79aeb5c88e2092ef329724138fc smbinfo: add FileFsFullSizeInformation
5) 858ac4df38169d0b7835113c54a0f85d309303ce smbinfo: Update the usage text with the new infolevels
4) db9d117fd6e2660768a35e72a374540ffc68d36d smbinfo: update help text
3) 0ca46dbb7d50d8872b60e71baa337d96884cd881 smbinfo: Add more File*Information classes
2) f0c95ea8d2835b16ac17895fa7bcbbfdc95ed708 smbinfo.rst: document kernel version
1) 3eb33a11665aebc503024b1b8ed655a32eb55035 smbinfo: add a utility to display smb specific information about objects

The required commits depend on smbinfo utility which is introduced in 6.9 cifs-utils, bionic is 6.8.
smbinfo utility provides SMB specific file information.

The list of commits above touch 2 files : smbinfo.c and smbinfo.rst.
Going through the code it seems that this utility is isolated from the rest of the code of the package (couldn't see any code called outside smbinfo.c or any call into smbinfo.c).

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https://bugs.launchpad.net/bugs/1886551

Title:
   wireshark trace decryption

Status in cifs-utils package in Ubuntu:
  New

Bug description:
  For Bionic release, current cifs-utils package version is 6.8-1. This
  version is missing below two commits

  https://git.samba.org/?p=cifs-utils.git;a=commit;h=74a1ced5f706ea6a9cab885693c7755657b81a2a
  https://git.samba.org/?p=cifs-utils.git;a=commit;h=6df98da5cd3fbb33f6f535c6784f037bbadadb84

  [Impact]

   * Without above feature, we won’t be able to analyze most part of
  network traces on a client side in case customers have problems
  accessing Azure Files service from VMs running Ubuntu Bionic.

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