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faxq-helper(1) mgetty+sendfax manual faxq-helper(1) NAME faxq-helper - privileged helper process to access the fax queue SYNOPSIS faxq-helper <command> [<options>] DESCRIPTION faxq-helper is part of the internal workings of faxspool(1). Formerly, the /var/spool/fax/outgoing directory was world-writeable, lead- ing to all sort of funny symlink attacks against faxspool(1) and faxrunq(8). These days, it's owned by the user ``root'', and only this user can write to it. To be able to put jobs there, faxspool(1) calls faxq-helper for very clearly defined purposes: - make a new queue directory - put a new fax G3 file into this queue directory - put a JOB file into this queue directory, and activate the fax job and possibly: - remove a fax job from the queue (to be used by faxrm and in case of er- rors) - re-queue a job that has been suspended due to repeated failures (faxq -r) To achieve this, faxq-helper is installed set-user-id root. If you remove the suid bit, or chown the fax queue directory to a different user, it will stop working. RETURN VALUES faxq-helper has the following exit() values: 0 everything went fine 1 invalid JOB ID specified on the command line 2 some problem with the directory setup of the outgoing queue dir, /var/spool/fax/outgoing (it will print a detailed error message) 3 some problems with the user ID setup of the ``root'' user (it will print a detailed error message) 10 failure to process the specified command (it will print a detailed error message) SEE ALSO faxspool(1), faxq(1), faxrm(1), faxqueue(5) AUTHOR faxq-helper is Copyright (C) 2004-2006 by Gert Doering, <gert@gree- nie.muc.de>. greenie 18 Feb 06 faxq-helper(1)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | AUTHOR
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