Running Cyrus Imap under a different user

[Gabriele Bulfon]

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.
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, 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?
Thanx
Gabriele.
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