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Bug 799291

Summary: proxied OIDs unspecified in proxy statement in snmpd.conf
Product: Red Hat Enterprise Linux 6 Reporter: Jan Safranek <jsafrane>
Component: net-snmpAssignee: Jan Safranek <jsafrane>
Status: CLOSED ERRATA QA Contact: Dalibor Pospíšil <dapospis>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.2CC: dapospis, ksrot, linuxdev-kernel-it, mmatsuya, rvokal, syeghiay
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: net-snmp-5.5-39.el6 Doc Type: Bug Fix
Doc Text:
When an object identifier (OID) was out of the subtree registered by the proxy statement in the /etc/snmp/snmpd.conf configuration file, the previous version of the snmpd daemon failed to use a correct OID of proxied GETNEXT requests. With this update, snmpd now adjusts the OIDs of proxied GETNEXT requests correctly and sends correct requests to the remote agent as expected.
 Story Points: ---
Clone Of: 663863
: 1087801 (view as bug list) Environment:
Last Closed: 2012-06-20 07:22:30 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 663863, 1658134    
Bug Blocks:    

Description Jan Safranek 2012-03-02 12:20:13 UTC 
+++ This bug was initially created as a clone of Bug #663863 +++

Description of problem:
snmpd proxies OIDs unspecified in proxy statement in snmpd.conf.

For example, assuming that the following proxy statement is in snmpd.conf.

proxy -v 1 -c public remotehost .1.3.6.1.4.1.211.1.1.1.3.3.2.2.1 .1.3.6.1.4.1.231.2.49.1.3.4.0

1) snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.211.1.1.1.3.3.2.2.1.0
It sends a snmp request with .1.3.6.1.4.1.231.2.49.1.3.4.0.0 to remotehost.
This is ok.

2) snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.211.1.1.1.3.3.2.2
It sends a snmp request with .1.3.6.1.4.1.231.2.49.1.3.4 to remotehost.
This is something wrong.

3) snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.211
It sends a snmp request with .1.3.6.1.4 to remotehost.
This is wrong, too.

Version-Release number of selected component (if applicable):
Red Hat Enterprise Linux 5.5
net-snmp-5.3.2.2-9.el5_5.1

How reproducible:
Always

Steps to Reproduce:
1. Configure snmpd in localhost and remotehost
2. Add the following proxy statement in snmpd.conf
proxy -v 1 -c public remotehost .1.3.6.1.4.1.211.1.1.1.3.3.2.2.1 .1.3.6.1.4.1.231.2.49.1.3.4.0
3. Run "snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.211" on localhost
  
Actual results:
snmpd proxies the request to remotehost

Expected results:
snmpd doesn't proxy the request to remotehost
Comment 5 Jan Safranek 2012-04-11 06:42:44 UTC 
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Previously, the snmpd daemon did wrongly evaluate 'proxy' configuration option with GETNEXT requests and some GETNEXT requests were not proxied to remote SNMP agents when they should be. In this update, proxy code is fixed and GETNEXT requests are sent to remote SNMP agents as expected.
Comment 6 Jan Safranek 2012-04-11 06:47:47 UTC 
    Technical note updated. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    Diffed Contents:
@@ -1 +1 @@
-Previously, the snmpd daemon did wrongly evaluate 'proxy' configuration option with GETNEXT requests and some GETNEXT requests were not proxied to remote SNMP agents when they should be. In this update, proxy code is fixed and GETNEXT requests are sent to remote SNMP agents as expected.+When an object identifier (OID) was out of the subtree registered by the proxy statement in the /etc/snmp/snmpd.conf configuration file, the previous version of the snmpd daemon failed to use a correct OID of proxied GETNEXT requests. With this update, snmpd now adjusts the OIDs of proxied GETNEXT requests correctly and sends correct requests to the remote agent as expected.
Comment 8 errata-xmlrpc 2012-06-20 07:22:30 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.

http://rhn.redhat.com/errata/RHSA-2012-0876.html