[pkg-apparmor] Bug#768357: Bug#768357: Dovecot: Installing apparmor completely breaks dovecot as profiles do not match dovecot processes.
Barry Pearce
barryspearce at hotmail.com
Thu Nov 6 21:11:21 UTC 2014
Hi,
The grep for DEN produced nothing.
To get dovecot running I have to strip out all of the profiles relating to it from apparmor.d and reboot then dovecot runs. After restoring the profiles and restarting /var/log/syslog has the following relating to this:
Nov 6 20:54:35 sapient dovecot[10214]: Starting IMAP/POP3 mail server: dovecot.Nov 6 20:54:35 sapient dovecot: master: Dovecot v2.2.13 starting up for imap (core dumps disabled)Nov 6 20:54:35 sapient dovecot: master: Fatal: execv(/usr/lib/dovecot/log) failed: No such file or directoryNov 6 20:54:35 sapient dovecot: master: Error: service(anvil): command startup failed, throttling for 2 secsNov 6 20:54:35 sapient dovecot: master: Error: service(log): child 10221 returned error 84 (exec() failed)Nov 6 20:54:35 sapient dovecot: master: Error: service(log): command startup failed, throttling for 2 secsNov 6 20:54:35 sapient dovecot: master: Error: service(ssl-params): command startup failed, throttling for 2 secsNov 6 20:54:35 sapient kernel: [42231.270063] audit_printk_skb: 126 callbacks suppressedNov 6 20:54:35 sapient kernel: [42231.270065] audit: type=1400 audit(1415307275.701:98): apparmor="ALLOWED" operation="exec" info="profile not found" error=-2 profile="/usr/sbin/dovecot" name="/usr/lib/dovecot/anvil" pid=10220 comm="dovecot" requested_mask="x" denied_mask="x" fsuid=0 ouid=0Nov 6 20:54:35 sapient kernel: [42231.270125] audit: type=1400 audit(1415307275.701:99): apparmor="ALLOWED" operation="exec" info="profile not found" error=-2 profile="/usr/sbin/dovecot" name="/usr/lib/dovecot/log" pid=10221 comm="dovecot" requested_mask="x" denied_mask="x" fsuid=0 ouid=0Nov 6 20:54:35 sapient kernel: [42231.270179] audit: type=1400 audit(1415307275.701:100): apparmor="ALLOWED" operation="exec" info="profile not found" error=-2 profile="/usr/sbin/dovecot" name="/usr/lib/dovecot/ssl-params" pid=10222 comm="dovecot" requested_mask="x" denied_mask="x" fsuid=0 ouid=0
A ps -ef | dovecot with profiles in place produces this:
root 10219 1 0 20:54 ? 00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
The same without the profiles produces:
root 1799 1 0 21:04 ? 00:00:00 /usr/sbin/dovecot -c /etc/dovecot/dovecot.confdovecot 1800 1799 0 21:04 ? 00:00:00 dovecot/anvilroot 1801 1799 0 21:04 ? 00:00:00 dovecot/logroot 1803 1799 0 21:04 ? 00:00:00 dovecot/config
Should dovecot/anvil and dovecot/log also have profiles?
The (system installed) apparmor profile for dovecot is:
# ------------------------------------------------------------------## Copyright (C) 2009-2013 Canonical Ltd.# Copyright (C) 2011-2013 Christian Boltz## This program is free software; you can redistribute it and/or# modify it under the terms of version 2 of the GNU General Public# License published by the Free Software Foundation.## ------------------------------------------------------------------# vim: ft=apparmor
#include <tunables/global>
/usr/sbin/dovecot flags=(complain) { #include <abstractions/authentication> #include <abstractions/base> #include <abstractions/mysql> #include <abstractions/nameservice> #include <abstractions/ssl_certs> #include <abstractions/ssl_keys>
capability chown, capability dac_override, capability fsetid, capability kill, capability net_bind_service, capability setgid, capability setuid, capability sys_chroot,
/etc/dovecot/** r, /etc/mtab r, /etc/lsb-release r, /etc/SuSE-release r, @{PROC}/@{pid}/mounts r, @{PROC}/filesystems r, /usr/bin/doveconf rix, /usr/lib/dovecot/anvil Px, /usr/lib/dovecot/auth Px, /usr/lib/dovecot/config Px, /usr/lib/dovecot/dict Px, /usr/lib/dovecot/dovecot-auth Pxmr, /usr/lib/dovecot/imap Pxmr, /usr/lib/dovecot/imap-login Pxmr, /usr/lib/dovecot/lmtp Px, /usr/lib/dovecot/log Px, /usr/lib/dovecot/managesieve Px, /usr/lib/dovecot/managesieve-login Pxmr, /usr/lib/dovecot/pop3 Px, /usr/lib/dovecot/pop3-login Pxmr, /usr/lib/dovecot/ssl-build-param rix, /usr/lib/dovecot/ssl-params Px, /usr/sbin/dovecot mrix, /usr/share/dovecot/protocols.d/ r, /usr/share/dovecot/protocols.d/** r, /var/lib/dovecot/ w, /var/lib/dovecot/* rwkl, /var/spool/postfix/private/auth w, /var/spool/postfix/private/dovecot-lmtp w, /{,var/}run/dovecot/ rw, /{,var/}run/dovecot/** rw, link /{,var/}run/dovecot/** -> /var/lib/dovecot/**,
# Site-specific additions and overrides. See local/README for details. #include <local/usr.sbin.dovecot>}
Im a developer myself so happy to help with as much info as required.
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