[Dovecot] BUG: mishandling of username if it's a keyword?

[Jack Bates]

Dec 14 14:33:03 test2 dovecot: auth: Debug: auth client connected 
(pid=24143)
Dec 14 14:33:14 test2 dovecot: auth: Debug: client in: 
AUTH#0111#011PLAIN#011service=pop3#011secured#011session=D6dl6dDQdAAAAAAAAAAAAAAAAAAAAAAB#011lip=::1#011rip=::1#011lport=110#011rport=38004#011resp=<hidden>
Dec 14 14:33:14 test2 dovecot: auth: Debug: 
static(home,::1,<D6dl6dDQdAAAAAAAAAAAAAAAAAAAAAAB>): lookup
Dec 14 14:33:14 test2 dovecot: auth: Debug: client passdb out: 
OK#0111#011user=home
Dec 14 14:33:14 test2 dovecot: auth: Debug: master in: 
REQUEST#0112033451009#01124143#0111#011243997dcca92c2dc1d1e401c78b4ea4f
Dec 14 14:33:14 test2 dovecot: auth: Debug: master userdb out: 
USER#0112033451009#011uid=503#011gid=503#011home=/nfs/maildir/vmail/home#011mail_location=maildir:~/Maildir
Dec 14 14:33:14 test2 dovecot: pop3-login: Login: user=<home>, 
method=PLAIN, rip=::1, lip=::1, mpid=24145, secured, 
session=<D6dl6dDQdAAAAAAAAAAAAAAAAAAAAAAB>
Dec 14 14:33:14 test2 dovecot: pop3: Debug: Added userdb setting: 
mail_location=maildir:~/Maildir
Dec 14 14:33:14 test2 dovecot: pop3(uid=503): Error: user uid=503: 
Couldn't drop privileges: User is missing UID (see mail_uid setting)
Dec 14 14:33:14 test2 dovecot: pop3(uid=503): Error: Internal error 
occurred. Refer to server log for more information.

compared to:

Dec 14 14:37:25 test2 dovecot: pop3-login: Login: user=<home2>, 
method=PLAIN, rip=::1, lip=::1, mpid=24190, secured, 
session=<5Zdb+NDQdQAAAAAAAAAAAAAAAAAAAAAB>
Dec 14 14:37:25 test2 dovecot: pop3: Debug: Added userdb setting: 
mail_location=maildir:~/Maildir
Dec 14 14:37:25 test2 dovecot: pop3(home2): Debug: Effective uid=503, 
gid=503, home=/nfs/maildir/vmail/home2


userdb {
   args = uid=vmail gid=vmail home=/nfs/maildir/vmail/%u 
mail_location=maildir:~/Maildir
   driver = static
}

This was tested on a static passdb/userdb on a test server as well as 
production. version 2.1.10. When I have time, I'll dig into it myself 
after an upgrade to 2.1.12.


Jack