Assign permissions and validate trac users with unix / linux system groups
A permission system-group provider for Trac. It asks linux / unix system to which groups a validated user belongs. If one of this groups matches a permission group name created with trac-admin permission add command, these permissions are enabled for logged-on user.
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Download the zipped source from here.
There is no configuration to do. After installing this plugin trac is able to validate an authorized user 'auser' against the unix system group entries belonging to unix system user 'auser'. The benefit is, that one can now create trac groups named like system-groups and trac will accept permissions attached to this group for a user, if the unix pendant of this username belongs to this group. This helps e.g. PAM users to avoid managing group permissions twice, here no autz file is needed anymore.