From: Chris PeBenito <pebenito@ieee.org>
To: Laurent Bigonville <bigon@debian.org>, selinux-refpolicy@vger.kernel.org
Subject: Re: [PATCH 06/10] Allow alsa_t to create alsa_runtime_t file as well
Date: Sat, 12 Oct 2019 11:52:46 -0400 [thread overview]
Message-ID: <765a8329-6944-b8fd-de32-e344896c4302@ieee.org> (raw)
In-Reply-To: <20191011122416.14651-6-bigon@debian.org>
On 10/11/19 8:24 AM, Laurent Bigonville wrote:
> From: Laurent Bigonville <bigon@bigon.be>
>
> When alsactl is started as a daemon, it creates a pidfile
> (/run/alsactl.pid), that needs to be allowed
>
> ----
> time->Sun Oct 6 10:59:09 2019
> type=AVC msg=audit(1570352349.743:45): avc: denied { write open } for pid=804 comm="alsactl" path="/run/alsactl.pid" dev="tmpfs" ino=25882 scontext=system_u:system_r:alsa_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file permissive=1
> type=AVC msg=audit(1570352349.743:45): avc: denied { create } for pid=804 comm="alsactl" name="alsactl.pid" scontext=system_u:system_r:alsa_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file permissive=1
> ----
> time->Sun Oct 6 11:54:38 2019
> type=AVC msg=audit(1570355678.226:657): avc: denied { open } for pid=9186 comm="alsactl" path="/run/alsactl.pid" dev="tmpfs" ino=25882 scontext=system_u:system_r:alsa_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file permissive=1
> type=AVC msg=audit(1570355678.226:657): avc: denied { read } for pid=9186 comm="alsactl" name="alsactl.pid" dev="tmpfs" ino=25882 scontext=system_u:system_r:alsa_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file permissive=1
> ----
> time->Sun Oct 6 11:54:38 2019
> type=AVC msg=audit(1570355678.230:659): avc: denied { unlink } for pid=804 comm="alsactl" name="alsactl.pid" dev="tmpfs" ino=25882 scontext=system_u:system_r:alsa_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file permissive=1
>
> Signed-off-by: Laurent Bigonville <bigon@bigon.be>
> ---
> policy/modules/admin/alsa.fc | 1 +
> policy/modules/admin/alsa.te | 3 ++-
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/policy/modules/admin/alsa.fc b/policy/modules/admin/alsa.fc
> index 75ea9ebf..16ccb7ca 100644
> --- a/policy/modules/admin/alsa.fc
> +++ b/policy/modules/admin/alsa.fc
> @@ -4,6 +4,7 @@ HOME_DIR/\.asoundrc -- gen_context(system_u:object_r:alsa_home_t,s0)
> /etc/asound\.conf -- gen_context(system_u:object_r:alsa_etc_t,s0)
>
> /run/alsa(/.*)? gen_context(system_u:object_r:alsa_runtime_t,s0)
> +/run/alsactl.pid -- gen_context(system_u:object_r:alsa_runtime_t,s0)
Needs escaping ( \.pid )
>
> /usr/bin/ainit -- gen_context(system_u:object_r:alsa_exec_t,s0)
> /usr/bin/alsactl -- gen_context(system_u:object_r:alsa_exec_t,s0)
> diff --git a/policy/modules/admin/alsa.te b/policy/modules/admin/alsa.te
> index e567dd32..9d053c4d 100644
> --- a/policy/modules/admin/alsa.te
> +++ b/policy/modules/admin/alsa.te
> @@ -58,8 +58,9 @@ allow alsa_t alsa_etc_t:file map;
> can_exec(alsa_t, alsa_exec_t)
>
> allow alsa_t alsa_runtime_t:dir manage_dir_perms;
> +allow alsa_t alsa_runtime_t:file manage_file_perms;
> allow alsa_t alsa_runtime_t:lnk_file manage_lnk_file_perms;
> -files_pid_filetrans(alsa_t, alsa_runtime_t, dir)
> +files_pid_filetrans(alsa_t, alsa_runtime_t, { dir file })
>
> manage_dirs_pattern(alsa_t, alsa_tmp_t, alsa_tmp_t)
> manage_files_pattern(alsa_t, alsa_tmp_t, alsa_tmp_t)
>
--
Chris PeBenito
next prev parent reply other threads:[~2019-10-12 15:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 12:24 [PATCH 01/10] Allow the systemd dbus-daemon to talk to systemd Laurent Bigonville
2019-10-11 12:24 ` [PATCH 02/10] Allow geoclue to log in syslog Laurent Bigonville
2019-10-11 12:24 ` [PATCH 03/10] Allow colord_t to exec colord_exec_t type Laurent Bigonville
2019-10-11 12:24 ` [PATCH 04/10] Allow realmd_t to read localization files Laurent Bigonville
2019-10-11 12:24 ` [PATCH 05/10] Allow colord_t to read the color profile stored in ~/.local/share/icc/ Laurent Bigonville
2019-10-11 12:54 ` Dominick Grift
2019-10-12 7:53 ` Dominick Grift
2019-10-12 15:51 ` Chris PeBenito
2019-10-12 16:09 ` Dominick Grift
2019-10-15 13:09 ` Laurent Bigonville
2019-10-11 12:24 ` [PATCH 06/10] Allow alsa_t to create alsa_runtime_t file as well Laurent Bigonville
2019-10-12 15:52 ` Chris PeBenito [this message]
2019-10-15 13:10 ` Laurent Bigonville
2019-10-11 12:24 ` [PATCH 07/10] Allow alsa_t to set scheduling priority and send signal to itself Laurent Bigonville
2019-10-11 12:24 ` [PATCH 08/10] Allow colord_t to read snmpd_var_lib_t files Laurent Bigonville
2019-10-11 12:24 ` [PATCH 09/10] Allow systemd_locale_t to talk to systemd notify socket Laurent Bigonville
2019-10-11 12:24 ` [PATCH 10/10] Allow vpnc to create and write its pid file in /run/NetworkManager Laurent Bigonville
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