[Samba] Samba 4.12.15 preexec not expanding variables

[Rowland Penny]

On Mon, 2022-04-18 at 13:24 +0200, Franz Gansberger via samba wrote:
> Hi,
> 
> after successfully upgrading our DC to 4.12.15 the pre (and post)
> exec-scripts stopped expanding the variables:
> 
> Ther are two lines in smb.conf:
> 
> [netlogon]
> 	  
> 	    root preexec = bash -c '/bin/echo "Logon am %T als %U an %M
> mit %I" >> /var/log/samba/info.log'
> 	    root postexec = bash -c '/bin/echo "Logoff am %T als %U an
> %M mit %I">> /var/log/samba/info.log'
> 
> This generated an entry in info.log
> 
> Logoff am 2022/04/18 10:32:14 als h9xx_photometer an 141.aba.ccc.acd
> mit 141.aba.ccc.acd 
> Logoff am 2022/04/18 10:32:14 als pcxxxyyy_ an 141.abb.ccb.bcd mit
> abb.ccb.bcd 
> Logoff am 2022/04/18 10:32:14 als sunw10-64bit_ an 141.xxx.yyy.zzz
> mit 141.xxx.yyy.yzzz 
> Logon am 2022/04/18 10:32:19 als  an  mit 0.0.0.0
> Logon am 2022/04/18 10:32:19 als  an  mit 0.0.0.0
> 
> It stopped after upgrading from 4.11 to 4.12 - on two Debian Buster
> Server. 
> Any Idea would be appreciated.

Keep upgrading, it works on 4.15.6

I would also consider upgrading buster to bullseye.

Rowland