Running Cyrus Imap under a different user

[Gabriele Bulfon]

Thanx for the quick reply ;)
Yes, environment is correctly exported.
Maybe there is something I can tell to Linux so that it gives my environement to anyone
changing user to myuser?
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Da: Simon Matter
A: Gabriele Bulfon
Cc: info-cyrus at lists.andrew.cmu.edu
Data: 3 novembre 2010 17.56.52 CET
Oggetto: Re: Running Cyrus Imap under a different user
Hello,
I need to run cyrus as a different user, because for some reason I don't
want to touch system users.
I've built all the cyrus stuff under this different user, also using the
configure switches
(--with-cyrus-user=myuser --with-cyrus-group=mygroup).
I followed the documentation to prepare all the needed directories by
changing cyrus into myuser
and mail into mygroup.
I tried starting the master daemon as myuser, but it seems it has not
enough privileges
to listen on standard ports and some other problems.
So I tried starting the master as root.
I think starting master as root is the correct way.
To do this, the script (ran as myuser) do a sudo.
The problem is that the new process will have a different environment than
what my user has.
Expecially, my environment has his own libs against which I compiled,
different from the system ones.
So how exactly does you environment look? Is it LD_LIBRARY_PATH which
makes you cyrus use the correct libs?
So, I prepared another script that prepares the environment and starts
master.
This way I could "sudo myscript".
Master now runs, but then changes user to fork processes, and once again
it seems to loose my environment:
Nov  3 17:34:13 sl master[18963]: setrlimit: Unable to set file
descriptors limit to -1: Operation not permitted
Nov  3 17:34:13 sl master[18963]: retrying with 1024 (current max)
Nov  3 17:34:13 sl master[18963]: process started
Nov  3 17:34:13 sl master[18964]: about to exec /sonicle/bin/ctl_cyrusdb
Nov  3 17:34:13 sl ctl_cyrusdb[18964]: incorrect version of Berkeley db:
compiled against 4.8.30, linked against 4.3.29
Nov  3 17:34:13 sl master[18963]: process 18964 exited, signaled to death
by 11
Nov  3 17:34:13 sl master[18963]: unable to setsocketopt(IP_TOS):
Operation not supported
Nov  3 17:34:13 sl master[18963]: ready for work
Nov  3 17:34:13 sl master[18965]: about to exec /sonicle/bin/ctl_cyrusdb
Nov  3 17:34:13 sl ctl_cyrusdb[18965]: incorrect version of Berkeley db:
compiled against 4.8.30, linked against 4.3.29
Nov  3 17:34:13 sl master[18963]: process 18965 exited, signaled to death
by 11
How can I solve this problem?
Is there anyway to let the new processes have the correct environment?
Hm, I didn't check whether Cyrus resets the environment but, stupid
question, did you forget to export the vars in question?
Simon
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