Subject: Re: [PATCH 1/2] Interface with systemd_hostnamed over dbus to set
 hostname
To:     "Sugar, David" <dsugar@tresys.com>,
        "selinux-refpolicy@vger.kernel.org" 
        <selinux-refpolicy@vger.kernel.org>
References: <20190115032018.28662-1-dsugar@tresys.com>
 <20190115032018.28662-2-dsugar@tresys.com>
From:   Chris PeBenito <pebenito@ieee.org>
Message-ID: <5d5bc96e-ec8e-bdd0-73d5-c5872f0c0416@ieee.org>
Date:   Wed, 16 Jan 2019 18:12:59 -0500
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On 1/14/19 10:20 PM, Sugar, David wrote:
> type=USER_AVC msg=audit(1547039052.040:558): pid=7159 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.hostname1 member=SetPrettyHostname dest=org.freedesktop.hostname1 spid=7563 tpid=7564 scontext=sysadm_u:sysadm_r:applyconfig_t:s0-s0:c0.c1023 tcontext=system_u:system_r:systemd_hostnamed_t:s0 tclass=dbus  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'
> type=USER_AVC msg=audit(1547039052.040:560): pid=7159 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.29 spid=7564 tpid=7563 scontext=system_u:system_r:systemd_hostnamed_t:s0 tcontext=sysadm_u:sysadm_r:applyconfig_t:s0-s0:c0.c1023 tclass=dbus  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'
> 
> Signed-off-by: Dave Sugar <dsugar@tresys.com>
> ---
>   policy/modules/system/systemd.if | 21 +++++++++++++++++++++
>   1 file changed, 21 insertions(+)
> 
> diff --git a/policy/modules/system/systemd.if b/policy/modules/system/systemd.if
> index 9c70afc9..740b3a92 100644
> --- a/policy/modules/system/systemd.if
> +++ b/policy/modules/system/systemd.if
> @@ -268,6 +268,27 @@ interface(`systemd_read_machines',`
>   	allow $1 systemd_machined_var_run_t:file read_file_perms;
>   ')
>   
> +########################################
> +## <summary>
> +##   Send and receive messages from
> +##   systemd hostnamed over dbus.
> +## </summary>
> +## <param name="domain">
> +##   <summary>
> +##     Domain allowed access.
> +##   </summary>
> +## </param>
> +#
> +interface(`systemd_dbus_chat_hostnamed',`
> +	gen_require(`
> +		type systemd_hostnamed_t;
> +		class dbus send_msg;
> +	')
> +
> +	allow $1 systemd_hostnamed_t:dbus send_msg;
> +	allow systemd_hostnamed_t $1:dbus send_msg;
> +')
> +
>   ########################################
>   ## <summary>
>   ##      allow systemd_passwd_agent to inherit fds

Merged.

-- 
Chris PeBenito