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Re: [Samba] syncpasswords/getpassword: some examples, please...

On Tue, Sep 26, 2017 at 1:30 PM, Marco Gaiarin via samba <
samba@xxxxxxxxxxxxxxx> wrote:

> [Clearly, this question is intimately connected to the previous...]
> I need a way to ''preprocess'' or at least intercept password changes,
> because i need to propagate them to other ''legacy'' systems.
> I've looked around and found syncpasswords / getpassword samba-tool
> commands, but really i've not understood how they work.
> Seems to me that can be useful in my scope, but really i've not
> understood how.
> Googling around lead me to some mailing list posts, but was not
> sufficient (at least to me) to understand.
> Wiki seems have nothing on this topic.
> Someone can explain to me? Thanks.

Here are some instructions I have from our implementation on CentOS 7 and
Samba 4.5.

- configure gpg encrypted password for syncing to external system
  # gpg2 --gen-key
  # gpg2 --list-keys --keyid-format LONG

- add the pub key to "password hash gpg key ids" in smb.conf

- configure password script
  # samba-tool user syncpasswords --script=/some_folder/some_script.py
--cache-ldb-initialize --decrypt-samba-gpg
  # samba-tool user syncpasswords --logfile=/var/log/some_log_file.log

some_script.py receives the username (sAMAccountName) and password
(virtualClearTextUTF8) in base64. The script ends with print 'DONE-EXIT: '.

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