Bug 244010 - SELinux is preventing <file> from using potentially mislabeled files resolv.conf (net_conf_t)
Summary: SELinux is preventing <file> from using potentially mislabeled files resolv.c...
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: selinux-policy-targeted   
(Show other bugs)
Version: 5.0
Hardware: All
OS: Linux
Target Milestone: ---
: ---
Assignee: Daniel Walsh
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2007-06-13 10:56 UTC by Ondrej Sevcik
Modified: 2007-11-30 22:07 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2007-06-13 13:24:31 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

Description Ondrej Sevcik 2007-06-13 10:56:29 UTC
Description of problem:
Related to https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244008
If i try to access some server from Perl script using DNS instead IP, it is 
denied by SEL:

Source Context                root:system_r:httpd_sys_script_t
Target Context                system_u:object_r:net_conf_t
Target Objects                resolv.conf [ file ]
Affected RPM Packages
Policy RPM                    selinux-policy-2.4.6-74.el5
Selinux Enabled               True
Policy Type                   targeted
MLS Enabled                   True
Enforcing Mode                Enforcing
Plugin Name                   plugins.httpd_bad_labels
Host Name                     dhcp-lab-220.englab.brq.redhat.com
Platform                      Linux dhcp-lab-220.englab.brq.redhat.com
                              2.6.18-8.1.4.el5 #1 SMP Fri May 4 22:15:13 EDT
                              2007 i686 i686
Alert Count                   31
Line Numbers

Raw Audit Messages

avc: denied { read } for comm="generate_test.p" dev=dm-0 egid=48 euid=48
exe="/usr/bin/perl" exit=-13 fsgid=48 fsuid=48 gid=48 items=0 name="resolv.conf"
pid=4155 scontext=root:system_r:httpd_sys_script_t:s0 sgid=48
subj=root:system_r:httpd_sys_script_t:s0 suid=48 tclass=file
tcontext=system_u:object_r:net_conf_t:s0 tty=(none) uid=48

Version-Release number of selected component (if applicable):
This is perl, v5.8.8 built for i386-linux-thread-multi
Perl is runing as a module in apache 

How reproducible:

Steps to Reproduce:
1. Run perl script which needs to resolve domain name
Actual results:
Audit log fragment is listed below.

Expected results:
No error.

Additional info:
Jun 12 01:21:23 dhcp-lab-220 setroubleshoot:      SELinux is preventing the 
generate_test.p from using potentially mislabeled files resolv.conf 
(net_conf_t).      For complete SELinux messages

Comment 1 Daniel Walsh 2007-06-13 13:24:31 UTC
setsebool -P httpd_can_network_connect=1

Should fix this problem.

Comment 2 Ondrej Sevcik 2007-06-13 13:47:41 UTC
Thank you for you time, it fixed my problem. I'm sorry for flooding bugzilla...

Note You need to log in before you can comment on or make changes to this bug.