For now we log the following events

1. Daemon startup -> /var/log/messages
--------------------------------------

Dec 11 15:12:56 localhost polkitd[3035]: started daemon version 0.95 using authority implementation `local' version `0.95'

2. Authentication agent -> /var/log/secure
------------------------------------------

Dec 11 15:14:00 localhost polkitd(authority=local): Registered Authentication Agent for session /org/freedesktop/ConsoleKit/Session1 (system bus name :1.903 [./polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)

Dec 11 15:16:18 localhost polkitd(authority=local): Unregistered Authentication Agent for session /org/freedesktop/ConsoleKit/Session1 (system bus name :1.903, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus)

3. Authorization checks
-----------------------

Dec 11 15:17:57 localhost polkitd(authority=local): ALLOWING action org.freedesktop.policykit.example.pkexec.run-frobnicate for unix-process:2517:25785526 [bash] owned by unix-user:davidz (check requested by system-bus-name::1.905 [pkexec /usr/bin/pk-example-frobnicate])

Dec 11 15:18:10 localhost polkitd(authority=local): ALLOWING action org.freedesktop.udisks.filesystem-mount-system-internal for system-bus-name::1.902 [palimpsest] owned by unix-user:davidz (check requested by system-bus-name::1.380 [/usr/libexec/udisks-daemon])

4. Authorizations through authentication (both success and
   failures) -> /var/log/secure
----------------------------------------------------------

Dec 11 15:19:01 localhost polkitd(authority=local): Operator of unix-session:/org/freedesktop/ConsoleKit/Session1 successfully authenticated as unix-user:davidz to gain TEMPORARY authorization for action org.freedesktop.policykit.example.pkexec.run-frobnicate for unix-process:2517:25785526 [bash] (owned by unix-user:davidz)
Dec 11 15:19:01 localhost polkitd(authority=local): ALLOWING action org.freedesktop.policykit.example.pkexec.run-frobnicate for unix-process:2517:25785526 [bash] owned by unix-user:davidz (check requested by system-bus-name::1.906 [pkexec /usr/bin/pk-example-frobnicate])

Dec 11 15:19:10 localhost polkitd(authority=local): Operator of unix-session:/org/freedesktop/ConsoleKit/Session1 successfully authenticated as unix-user:davidz to gain ONE-SHOT authorization for action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] (owned by unix-user:davidz)
Dec 11 15:19:10 localhost polkitd(authority=local): ALLOWING action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] owned by unix-user:davidz (check requested by system-bus-name::1.908 [pkexec bash])

Dec 11 15:19:10 localhost pkexec: pam_unix(polkit-1:session): session opened for user root by davidz(uid=500)
Dec 11 15:19:22 localhost polkitd(authority=local): Operator of unix-session:/org/freedesktop/ConsoleKit/Session1 FAILED to authenticate to gain authorization for action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] (owned by unix-user:davidz)
Dec 11 15:19:22 localhost polkitd(authority=local): DENYING action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] owned by unix-user:davidz (check requested by system-bus-name::1.910 [pkexec bash])

Dec 11 15:20:06 localhost polkitd(authority=local): Operator of unix-session:/org/freedesktop/ConsoleKit/Session1 successfully authenticated as unix-user:bateman to gain ONE-SHOT authorization for action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] (owned by unix-user:davidz)
Dec 11 15:20:06 localhost polkitd(authority=local): ALLOWING action org.freedesktop.policykit.exec for unix-process:2517:25785526 [bash] owned by unix-user:davidz (check requested by system-bus-name::1.913 [pkexec bash])

Signed-off-by: David Zeuthen <davidz@redhat.com>