On Saturday 16 July 2005 23:59, Marc Perkel wrote:
This would make my life a lot easier in migrating to Dovecot. And it
should be really easy to implement. Here's how linuxconf does it:
Password files are placed in the /etc/vmail directory as follows:
/etc/vmail/passwd.domain1
/etc/vmail/shadow.domain1
/etc/vmail/passwd.domain2
/etc/vmail/shadow.domain2
The password and shadow files are exactly the same format as the
/etc/password and /etc/shadow files. The user name within the files
would be the %n part of the email address passed to authenticate
with.
Basically the password file names are /etc/vmail/passwd.%d with the
user withing the file being %n.
marc:x:40000:12:Marc Perkel:/vhome/perkel.com/home/marc:/bin/false
test:x:40001:12::/vhome/perkel.com/home/test:/bin/false
dd:x:40002:12:Atia:/vhome/perkel.com/home/dd:/bin/false
test2:x:40003:12::/vhome/perkel.com/home/test2:/bin/false
It also makes merging several servers with separate passwd/shadow
files into one virtual system because all you have to do is copy
their existing passwd/shadow files into the /etc/vmail directory and
rename them with the domain at the end.
So - wouldn't that be easy to add? Sure would make migrating easy for
me.
Not commenting on the idea, but:
>From the Dovecot Wiki: http://wiki.dovecot.org/moin.cgi/Authentication
"Dovecot 1.0-tests support defining multiple password databases, so that
if password doesn't match in the first database, it checks the next
one. This can be useful if you want to easily support having both local
system users in /etc/passwd but also virtual users..."
Using this you could implement what you describe, with one small
exception that usernames would have to be renamed in your passwd
files to their appropriate user@domain form. I think that it is
good practice to name your users with the complete name in the passwd
file.
Cheers,
Yes - I'm trying to avoid migration to a new format because I have an
interface that mamages the passwd/shadow method that I'm using now. I
would have to run a conversion script one a minute if I changed it to
something else. And I have about 200 of these virtual domain files.