Module for tpm2
v2 - updated to rename module and interface names, different dbus
interface
Signed-off-by: Dave Sugar <dsugar@xxxxxxxxxx>
---
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)
+')
--
2.21.0
