Public bug reported:
The container I'm using to test the fix for
https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1864324 has a
somewhat long hostname:
$ hostname -f
focal-bind9-upgrade-test.lxd
Samba by default will try to use the host part as its netbios name. Such
names have a length limit, which is a bit short.
When using testparm, this is flagged:
$ testparm
Load smb config files from /etc/samba/smb.conf
Loaded services file OK.
WARNING: The 'netbios name' is too long (max. 15 chars).
...
But is not a fatal error.
The samba postinst, however, uses (for reasons unknown to me) "samba-
tool testparm", and that has a different behavior:
$ samba-tool testparm
INFO 2020-02-22 21:16:42,905 pid:37370
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #96: Loaded smb config
files from /etc/samba/smb.conf
INFO 2020-02-22 21:16:42,905 pid:37370
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #97: Loaded services
file OK.
ERROR 2020-02-22 21:16:42,905 pid:37370
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #124: netbios name
FOCAL-BIND9-UPGRADE-TEST is not a valid netbios name
Press enter to see a dump of your service definitions
(...)
ERROR: Invalid smb.conf
$ echo $?
255
This fails the package installation.
Setting up samba-common-bin (2:4.11.5+dfsg-1ubuntu2~ppa1) ...
Checking smb.conf with samba-tool
INFO 2020-02-22 21:11:22,932 pid:36820
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #96: Loaded smb config
files from /etc/samba/smb.conf
INFO 2020-02-22 21:11:22,933 pid:36820
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #97: Loaded services
file OK.
ERROR 2020-02-22 21:11:22,933 pid:36820
/usr/lib/python3/dist-packages/samba/netcmd/testparm.py #124: netbios name
FOCAL-BIND9-UPGRADE-TEST is not a valid netbios name
ERROR: Invalid smb.conf
dpkg: error processing package samba-common-bin (--configure):
installed samba-common-bin package post-installation script subprocess
returned error exit status 255
** Affects: samba (Ubuntu)
Importance: High
Assignee: Andreas Hasenack (ahasenack)
Status: In Progress
** Changed in: samba (Ubuntu)
Assignee: (unassigned) => Andreas Hasenack (ahasenack)
** Changed in: samba (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1864329
Title:
too long netbios name shouldn't be a fatal error
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