SATOH Fumiyasu (TSUCHIDA Fumiyasu) via Postfix-users:
> I see the following problems.
>
> 1. `postconf -M bar/unix='foo unix ...'` will duplicates entries in master.cf.
> 2. `postconf -M foo/unix='foo unix ...' get segfault if multiple entries
> exist in master.cf.
Both problems with master.cf updates are solved in the next stable
release. The fix is being tested in the development release
postfix-3.9-20230502.
This release also fixes an unrelated problem with main.cf updates.
Wietse
20230428
Bugfix (defect introduced: Postfix 1.0): the command "postconf
.. name=v1 .. name=v2 .." (multiple instances of the same
parameter name) created multiple name=value entries with
the same parameter name. It now logs a warning and skips
the earlier update. Found during code maintenance. File:
postconf/postconf_edit.c
Bugfix (defect introduced: Postfix 3.3): the command "postconf
-M name1/type1='name2 type2 ...'" died with a segmentation
violation when the request matched multiple master.cf
entries. The master.cf file was not damaged. Problem reported
by SATOH Fumiyasu. File: postconf/postconf_master.c.
20230502
Bugfix (defect introduced: Postfix 2.11): the command
"postconf -M name1/type1='name2 type2 ...'" could add a
service definition to master.cf that conflicted with an
already existing service definition. It now replaces all
existing service definitions that match the service pattern
'name1/type1' or the service name and type in 'name2 type2
...' with a single service definition 'name2 type2 ...'.
Problem reported by SATOH Fumiyasu. File: postconf/postconf_edit.c.
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