Section: mgetty+sendfax manual (1) Updated: 18 Feb 06 Local index
faxq-helper - privileged helper process to access the fax queue
faxq-helper <command> [<options>]
is part of the internal workings of faxspool(1).
Formerly, the /var/spool/fax/outgoing directory was world-writeable,
leading to all sort of funny symlink attacks against faxspool(1) and
These days, it's owned by the user ``uucp'', and only this user
can write to it. To be able to put jobs there, faxspool(1) calls
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
- remove a fax job from the queue (to be used by faxrm and in case of errors)
- re-queue a job that has been suspended due to repeated failures (faxq -r)
To achieve this,
is installed set-user-id uucp. If you remove the suid bit, or
chown the fax queue directory to a different user, it will stop working.
has the following exit() values:
everything went fine
invalid JOB ID specified on the command line
some problem with the directory setup of the outgoing queue dir,
/var/spool/fax/outgoing (it will print a detailed error message)
some problems with the user ID setup of the ``uucp'' user (it will
print a detailed error message)
failure to process the specified command (it will print a detailed
faxspool(1), faxq(1), faxrm(1), faxqueue(5)
is Copyright (C) 2004-2006 by Gert Doering, <email@example.com>.
- RETURN VALUES
- SEE ALSO
This document was created by
using the manual pages.
Time: 22:01:37 GMT, April 16, 2011