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Bug 242362 - policy prevents Procmail from being used as a local delivery agent for Postfix
policy prevents Procmail from being used as a local delivery agent for Postfix
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
All Linux
low Severity high
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Assigned To: Daniel Walsh
Ben Levenson
Depends On:
  Show dependency treegraph
Reported: 2007-06-03 13:45 EDT by Alvin Thompson
Modified: 2007-11-30 17:12 EST (History)
2 users (show)

See Also:
Fixed In Version: Current
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-08-22 10:10:10 EDT
Type: ---
Regression: ---
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Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Alvin Thompson 2007-06-03 13:45:47 EDT
    SELinux is preventing /usr/bin/procmail (procmail_t) "getattr" to
    /var/spool/postfix (postfix_spool_t).

Detailed Description
    SELinux denied access requested by /usr/bin/procmail. It is not expected
    that this access is required by /usr/bin/procmail and this access may signal
    an intrusion attempt. It is also possible that the specific version or
    configuration of the application is causing it to require additional access.

Allowing Access
    Sometimes labeling problems can cause SELinux denials.  You could try to
    restore the default system file context for /var/spool/postfix, restorecon
    -v /var/spool/postfix If this does not work, there is currently no automatic
    way to allow this access. Instead,  you can generate a local policy module
    to allow this access - see
    fc5/#id2961385 Or you can disable SELinux protection altogether. Disabling
    SELinux protection is not recommended. Please file a against this package.

Additional Information        

Source Context                user_u:system_r:procmail_t
Target Context                system_u:object_r:postfix_spool_t
Target Objects                /var/spool/postfix [ dir ]
Affected RPM Packages         procmail-3.22-19.fc7 [application]postfix-2.3.6-1
Policy RPM                    selinux-policy-2.6.4-8.fc7
Selinux Enabled               True
Policy Type                   targeted
MLS Enabled                   True
Enforcing Mode                Permissive
Plugin Name                   plugins.catchall_file
Host Name                     io
Platform                      Linux io 2.6.21-1.3194.fc7 #1 SMP Wed May 23
                              22:47:07 EDT 2007 x86_64 x86_64
Alert Count                   1
First Seen                    Sun 03 Jun 2007 01:36:55 PM EDT
Last Seen                     Sun 03 Jun 2007 01:36:55 PM EDT
Local ID                      d51c7e1f-363a-48cb-9d96-f567af758614
Line Numbers                  

Raw Audit Messages            

avc: denied { getattr } for comm="procmail" dev=sda1 egid=500 euid=500
exe="/usr/bin/procmail" exit=0 fsgid=500 fsuid=500 gid=500 items=0
name="postfix" path="/var/spool/postfix" pid=16121
scontext=user_u:system_r:procmail_t:s0 sgid=500
subj=user_u:system_r:procmail_t:s0 suid=500 tclass=dir
tcontext=system_u:object_r:postfix_spool_t:s0 tty=(none) uid=500
Comment 1 Alvin Thompson 2007-06-03 13:55:59 EDT
i should mention that i configured Postfix to use Procmail with this entry in

mailbox_command = procmail -a "$EXTENSION"

this works fine (with the warning) with SELinux set to 'permissive' mode.  i
tried relabeling everything, but same problem.
Comment 2 Daniel Walsh 2007-06-04 13:47:06 EDT
Fixed in selinux-policy-2.6.4-13.fc7
Comment 3 Daniel Walsh 2007-08-22 10:10:10 EDT
Closing as fixes are in the current release

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