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From: Chris PeBenito <pebenito@ieee.org>
To: "Sugar, David" <dsugar@tresys.com>,
	"selinux-refpolicy@vger.kernel.org" 
	<selinux-refpolicy@vger.kernel.org>
Subject: Re: [PATCH v2] Module for tpm2
Date: Sun, 11 Aug 2019 15:02:58 -0400	[thread overview]
Message-ID: <a6064653-f3ea-ad95-283f-8ab4176ce3f6@ieee.org> (raw)
In-Reply-To: <20190805191253.17089-1-dsugar@tresys.com>

On 8/5/19 3:13 PM, Sugar, David wrote:
> Module for tpm2
> 
> v2 - updated to rename module and interface names, different dbus
> interface
> 
> Signed-off-by: Dave Sugar <dsugar@tresys.com>
> ---
>   policy/modules/services/tpm2.fc |  3 ++
>   policy/modules/services/tpm2.if | 58 +++++++++++++++++++++++++++++++++
>   policy/modules/services/tpm2.te | 30 +++++++++++++++++
>   3 files changed, 91 insertions(+)
>   create mode 100644 policy/modules/services/tpm2.fc
>   create mode 100644 policy/modules/services/tpm2.if
>   create mode 100644 policy/modules/services/tpm2.te
> 
> diff --git a/policy/modules/services/tpm2.fc b/policy/modules/services/tpm2.fc
> new file mode 100644
> index 00000000..4ccf2f25
> --- /dev/null
> +++ b/policy/modules/services/tpm2.fc
> @@ -0,0 +1,3 @@
> +/usr/sbin/tpm2-abrmd								--	gen_context(system_u:object_r:tpm2_abrmd_exec_t,s0)
> +
> +/usr/lib/systemd/system/[^/]*tpm2-abrmd\.service	--	gen_context(system_u:object_r:tpm2_abrmd_unit_t,s0)
> diff --git a/policy/modules/services/tpm2.if b/policy/modules/services/tpm2.if
> new file mode 100644
> index 00000000..55133e4a
> --- /dev/null
> +++ b/policy/modules/services/tpm2.if
> @@ -0,0 +1,58 @@
> +## <summary>Trusted Platform Module 2.0</summary>
> +
> +########################################
> +## <summary>
> +##	Allow specified domain to enable/disable tpm2-abrmd unit
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`tpm2_enabledisable_abrmd',`
> +	gen_require(`
> +		type tpm2_abrmd_unit_t;
> +		class service { enable disable };
> +	')
> +
> +	allow $1 tpm2_abrmd_unit_t:service { enable disable };
> +')
> +
> +########################################
> +## <summary>
> +##	Allow specified domain to start/stop tpm2-abrmd unit
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`tpm2_startstop_abrmd',`
> +	gen_require(`
> +		type tpm2_abrmd_unit_t;
> +		class service { start stop };
> +	')
> +
> +	allow $1 tpm2_abrmd_unit_t:service { start stop };
> +')
> +
> +########################################
> +## <summary>
> +##	Allow specified domain to get status of tpm2-abrmd unit
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`tpm2_status_abrmd',`
> +	gen_require(`
> +		type tpm2_abrmd_unit_t;
> +		class service status;
> +	')
> +
> +	allow $1 tpm2_abrmd_unit_t:service status;
> +')
> diff --git a/policy/modules/services/tpm2.te b/policy/modules/services/tpm2.te
> new file mode 100644
> index 00000000..aa607771
> --- /dev/null
> +++ b/policy/modules/services/tpm2.te
> @@ -0,0 +1,30 @@
> +policy_module(tpm2, 1.0.0)
> +
> +########################################
> +#
> +# Declarations
> +#
> +
> +type tpm2_abrmd_t;
> +type tpm2_abrmd_exec_t;
> +init_daemon_domain(tpm2_abrmd_t, tpm2_abrmd_exec_t)
> +
> +type tpm2_abrmd_unit_t;
> +init_unit_file(tpm2_abrmd_unit_t)
> +
> +########################################
> +#
> +# Local policy
> +#
> +
> +allow tpm2_abrmd_t self:process signal;
> +allow tpm2_abrmd_t self:unix_stream_socket create_socket_perms;
> +
> +dev_rw_tpm(tpm2_abrmd_t)
> +
> +kernel_read_crypto_sysctls(tpm2_abrmd_t)
> +kernel_read_system_state(tpm2_abrmd_t)
> +
> +optional_policy(`
> +	dbus_system_domain(tpm2_abrmd_t, tpm2_abrmd_exec_t)
> +')

Merged.

-- 
Chris PeBenito

      reply	other threads:[~2019-08-11 19:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-05 19:13 [PATCH v2] Module for tpm2 Sugar, David
2019-08-11 19:02 ` Chris PeBenito [this message]

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