External Commands not working

[Scott Gwartney]

I ran audit2allow -l -i /var/log/messages Restarted nagios and apache, tried 
external command and got the same error. The system message showed:

audit(1111085444.812:0): avc:  denied  { getattr } for  pid=7241 
exe=/usr/local/nagios/sbin/cmd.cgi path=/usr/local/nagios/var/rw/nagios.cmd 
dev=dm-0 ino=3591465 scontext=root:system_r:httpd_sys_script_t 
tcontext=root:object_r:usr_t tclass=fifo_file



>From: "Marc Powell" <marc at ena.com>
>To: "Scott Gwartney" 
><gwartney at hotmail.com>,<nagios-users at lists.sourceforge.net>
>Subject: RE: [Nagios-users] External Commands not working
>Date: Thu, 17 Mar 2005 12:36:12 -0600
>
>
>
> > -----Original Message-----
> > From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> > admin at lists.sourceforge.net] On Behalf Of Scott Gwartney
> > Sent: Thursday, March 17, 2005 11:49 AM
> > To: nagios-users at lists.sourceforge.net
> > Subject: [Nagios-users] External Commands not working
> >
> > I'm running Nagios v.2.0b1 on Fedora 3.0 Apache 2.0.52. When trying to
> > execute external commands from the web interface I get this error:
> >
> > Error: Could not stat() command file
> > '/usr/local/nagios/var/rw/nagios.cmd'!
> >
> > The external command file may be missing, Nagios may not be running,
> > and/or
> > Nagios may not be checking external commands.
> >
> > An error occurred while attempting to commit your command for
>processing.
> >
> > I've followed the directions exactly (several times!). Apache is a
>member
> > of
> > Nagiocmd group, in fact I've tried giving full permissions to everyone
>on
> > the '/usr/local/nagios/var/rw/ folder and all its files with no
>success.
> >
> > Nothing shows up in the httpd logs. The system message log shows this:
> >
> > avc:  denied  { getattr } for  pid=5446
>exe=/usr/local/nagios/sbin/cmd.cgi
> > path=/usr/local/nagios/var/rw/nagios.cmd dev=dm-0 ino=3591465
> > scontext=root:system_r:httpd_sys_script_t tcontext=root:object_r:usr_t
> > tclass=fifo_file
>
>This is an SELinux restriction, above and beyond normal file systems
>permissions. I have no personal experience with SELinux but I believe
>the following command will provide you with the SELinux policy change
>you need to make --
>
>audit2allow -l -i /var/log/messages
>
>If anyone can come up with a valid, secure SELinux policy change to
>allow access to cmd.cgi it should probably go in the FAQ at the least. I
>think there was one other email in the past week that is likely an
>SELinux issue as well.
>
>--
>Marc




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