Bug List: (48 of 335)
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Bug 1227293 - chrooted_path not handled properly by dhcpd resource agent [patch]
Summary: chrooted_path not handled properly by dhcpd resource agent [patch]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: resource-agents
Version: 7.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Fabio Massimo Di Nitto
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-06-02 11:01 UTC by Radek Steiger
Modified: 2015-11-19 04:48 UTC (History)
2 users (show)

Fixed In Version: resource-agents-3.9.5-47.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-11-19 04:48:07 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
proposed patch: replace hardcoded paths with OCF_RESKEY_chrooted_path (681 bytes, patch)
2015-06-02 11:02 UTC, Radek Steiger 		no flags Details | Diff
optional patch: change default chroot path to dhcp's real default path (427 bytes, patch)
2015-06-02 11:07 UTC, Radek Steiger 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2190 0 normal SHIPPED_LIVE resource-agents bug fix and enhancement update 2015-11-19 08:06:48 UTC

Description Radek Steiger 2015-06-02 11:01:24 UTC 
> Description of problem:

The dhcpd resource agent provides chrooted_path parameter however the default /var/lib/dhcp path is hardcoded at certain places in the agent script, therefore using this parameter doesn't give the expected results. If I set chrooted_path to anything other, following shows in the log: 

Jun  2 10:49:48 virt-142 dhcpd: isc-dhcpd-4.2.5
Jun  2 10:49:48 virt-142 crmd[1674]: notice: process_lrm_event: Operation dhcpd_monitor_0: not running (node=virt-142, call=588, rc=7, cib-update=440, confirmed=true)
Jun  2 10:49:49 virt-142 dhcpd: isc-dhcpd-4.2.5
Jun  2 10:49:49 virt-142 dhcpd(dhcpd)[2052]: ERROR: could not copy /lib64/libdl.so.2 to chroot jail
Jun  2 10:49:49 virt-142 dhcpd(dhcpd)[2052]: ERROR: Could not fully initialize the chroot environment.
Jun  2 10:49:49 virt-142 lrmd[1671]: notice: operation_finished: dhcpd_start_0:2052:stderr [ cp: cannot create regular file '/var/lib/dhcp/lib*/': No such file or directory ]
Jun  2 10:49:49 virt-142 lrmd[1671]: notice: operation_finished: dhcpd_start_0:2052:stderr [ ocf-exit-reason:could not copy /lib64/libdl.so.2 to chroot jail ]
Jun  2 10:49:49 virt-142 lrmd[1671]: notice: operation_finished: dhcpd_start_0:2052:stderr [ ocf-exit-reason:Could not fully initialize the chroot environment. ]
Jun  2 10:49:49 virt-142 dhcpd: isc-dhcpd-4.2.5
Jun  2 10:49:49 virt-142 crmd[1674]: notice: process_lrm_event: Operation dhcpd_start_0: not installed (node=virt-142, call=589, rc=5, cib-update=441, confirmed=true)
Jun  2 10:49:49 virt-142 crmd[1674]: notice: process_lrm_event: virt-142-dhcpd_start_0:589 [ cp: cannot create regular file '/var/lib/dhcp/lib*/': No such file or directory\nocf-exit-reason:could not copy /lib64/libdl.so.2 to chroot jail\nocf-exit-reason:Could not fully initialize the chroot environment.\n ]
Jun  2 10:49:49 virt-142 dhcpd: isc-dhcpd-4.2.5
Jun  2 10:49:49 virt-142 dhcpd(dhcpd)[2203]: INFO: dhcpd already stopped
Jun  2 10:49:49 virt-142 crmd[1674]: notice: process_lrm_event: Operation dhcpd_stop_0: ok (node=virt-142, call=590, rc=0, cib-update=442, confirmed=true)


> Version-Release number of selected component (if applicable):

resource-agents-3.9.5-40.el7_1.3.x86_64


> How reproducible:

Always


> Steps to Reproduce:
0. create custom dhcp config in /etc/mydhcp.conf
1. pcs resource create DHCP dhcpd config=/etc/mydhcp.conf chrooted_path=/var/lib/mydhcpjail user=dhcpd group=dhcpd interface=eth0
2. 
3. 


> Actual results:

Libs are missing from /var/lib/mydhcpjail. See the log above.


> Expected results:

/var/lib/mydhcpjail is fully populated with required libs.
Comment 1 Radek Steiger 2015-06-02 11:02:23 UTC 
Created attachment 1033704 [details]
proposed patch: replace hardcoded paths with OCF_RESKEY_chrooted_path
Comment 2 Radek Steiger 2015-06-02 11:07:21 UTC 
Created attachment 1033706 [details]
optional patch: change default chroot path to dhcp's real default path

By default dhcp uses /var/lib/dhcpd directory. The resource agent however uses its own /var/lib/dhcp directory for chroot by default which causes problems with selinux. This patch changes the default chroot_path to the same directory as provided by dhcp rpm package.
Comment 3 David Vossel 2015-06-25 18:19:25 UTC 
modified patches a bit and posted them upstream.

https://github.com/ClusterLabs/resource-agents/pull/627
Comment 9 errata-xmlrpc 2015-11-19 04:48:07 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2190.html
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Bug List: (48 of 335)