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Bug 1252973 - authconfig unpredictable file content
Summary: authconfig unpredictable file content
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: authconfig
Version: 6.7
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Tomas Mraz
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks: 1172231 1269194
TreeView+ depends on / blocked
 
Reported: 2015-08-12 15:40 UTC by Arpit Tolani
Modified: 2019-10-10 10:03 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1320943 (view as bug list)
Environment:
Last Closed: 2016-06-01 19:12:32 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Arpit Tolani 2015-08-12 15:40:38 UTC 
Created attachment 1062070 [details]
Proposed patch for the bug

Description of problem:
With the method chosen to write the /etc/sysconfig/authconfig file it's 
not possible to verify if the content has changed since the last run or 
not due to the fact of using a dictionary to store the key/value params 
and use iteritems over them.

a more reproduce able way is to instead of using iteritems from the dictionary a sorted list (see attached patch)


How reproducible:
as described above, everytime authconfig is called

this is what currently happens
$ md5sum /etc/sysconfig/authconfig 
93adf3e2b9272626064870d1a7ac1ace  /etc/sysconfig/authconfig
$ authconfig --updateall
$ md5sum /etc/sysconfig/authconfig 
571a51f178bc49f7db03993255110f45  /etc/sysconfig/authconfig
$ authconfig --updateall
$ md5sum /etc/sysconfig/authconfig 
6ac7ad67f313f8ce3250e8e56864b507  /etc/sysconfig/authconfig

this is what we are expecting
$ md5sum /etc/sysconfig/authconfig 
93adf3e2b9272626064870d1a7ac1ace  /etc/sysconfig/authconfig
$ authconfig --updateall
$ md5sum /etc/sysconfig/authconfig 
93adf3e2b9272626064870d1a7ac1ace  /etc/sysconfig/authconfig

Additional info:
there's an additional _truncate_ in the write section of the 
SHVFile which also make's it impossible to have a unique hash when 
deploying the plan file and afterwards calling "/usr/sbin/authconfig 
--updateall"
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