I have these computers;
emu much updated RHL 5.0; it has my modem and hosts home directories etc.
possum RHL 6.1 plus all relevant 6.1 updates plus a few bits of 6.2 that
have squeezed through my modem.
Both have efax 0.9; emu has efax-0.9-4.
emu has the recently-released lpr update: lpr-0.48-0.5.2, while possum has
lpr-0.48-1.
possum has an entry in /etc/printcap:
fax:\
:sd=/var/spool/lpd/fax:\
:mx#0:\
:sh:\
:rm=emu:\
:rp=fax:\
:if=/var/spool/lpd/fax/filter:
[summer@possum summer]$
The fax goes to emu just fine.
emu has this:
fax:\
:sd=/var/spool/fax:\
:lf=/var/log/faxlog:\
:mx#0:\
:sh:\
:sf:\
:pl=68:\
:pw=80:\
:lp=/var/log/lastfax:\
:if=/u02/summer/bin/faxlpr:
# :if=/usr/bin/faxlpr:
# :if=/u02/summer/bin/faxlpr:
If I use /usr/bin/faxlpr, I get permissions problems.
/u02/summer/bin/faxlpr is a modified version of the other, containing
assorted debugging code.
The permissions problems arise because lpd runs the filter as me (or
whoever it was who is trying to fax).
Now, I could complain to Mr Ed (the author), but really I'd like to get
this working and then tell him what to do.
Thus far I've had permissions problems on /var/spool/fax (which I DID
chmod) and then /var/lock
Prospective solutions I see:
1 Change permissions on all directories to everyone can read/write them.
While I don't see any problems for me personally (home user, nobody else
knows enough to be dangerous), I don't see it as a good general solution.
2 Write a wrapper for the script. Mark it set-uid, perhaps not to root but
to a user who CAN read/write the directories. The wrapper would simply
exec the script. If someone else wants to pamify it, that's cool. I don't
care.
3 Install some other fax software. I COULD do this, but efax is the only
Linux software I've seen that understands Class 1 fax modems (and they're
still around).
There is one more thing I don't understand; I can print just fine from
both computers to the printer attached to emu. The RHS filders don't have
any problem. Mind you, I've not gone through them in great detail.
What do others think?
I favour the second; what drawbacks do others see? Should I create a new
user (maybe fax) or use an existing one. If a new one, should it be a
system account?
--
Cheers
John Summerfield
http://os2.ami.com.au/os2/ for OS/2 support.
Configuration, networking, combined IBM ftpsites index.
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