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authorGuilhem Moulin <guilhem@fripost.org>2020-05-21 01:35:28 +0200
committerGuilhem Moulin <guilhem@fripost.org>2020-05-21 02:26:16 +0200
commit5118f8d3394579a245b355c863c69410fe92e26e (patch)
tree54fbaf5aca0a1d798fbecca9ba7929f3b25a604e /roles/common/files/etc
parent1df4c30a95abd9e7c6352e2b3d2766281c3e591d (diff)
dovecot-auth-proxy: replace directory traversal with LDAP lookups.
This provides better isolation opportunity as the service doesn't need to run as ‘vmail’ user. We use a dedicated system user instead, and LDAP ACLs to limit its access to the strict minimum. The new solution is also more robust to quoting/escaping, and doesn't depend on ‘home=/home/mail/virtual/%d/%n’ (we might use $entryUUID instead of %d/%n at some point to make user renaming simpler). OTOH we no longer lists users that have been removed from LDAP but still have a mailstore lingering around. This is fair.
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