SEPolicy: Add support for SPU Strongbox KeyMint

Add SEPolicy rules for SPU Strongbox KeyMint service.

Change-Id: Icb8721f0bc5b9d4063fa8b80a17540b1fdf84169

2 files changed, 72 insertions, 0 deletions

diff --git a/qva/vendor/common/file_contexts b/qva/vendor/common/file_contexts
index 4e4402fb..6aaeae79 100644
--- a/qva/vendor/common/file_contexts
+++ b/qva/vendor/common/file_contexts
@@ -90,6 +90,7 @@
 /vendor/bin/hw/android\.hardware\.keymaster@4\.1-strongbox-service-qti             u:object_r:vendor_hal_keymaster_qti_exec:s0
 /vendor/bin/hw/android\.hardware\.keymaster@4\.1-javacard.service                  u:object_r:hal_keymaster_default_exec:s0
 /vendor/bin/init\.qti\.ese\.strongbox\.sh                                          u:object_r:vendor_init-qti-ese-strongbox-sh_exec:s0
+/vendor/bin/hw/android\.hardware\.security\.keymint-service-spu-qti                u:object_r:vendor_hal_keymint_spu_qti_exec:s0
 /vendor/bin/hw/android\.hardware\.security\.keymint-service\.strongbox             u:object_r:vendor_hal_keymint_strongbox_exec:s0
 /vendor/bin/hw/android\.hardware\.security\.keymint-service\.strongbox-thales      u:object_r:vendor_hal_keymint_strongbox_exec:s0
 /(vendor|system/vendor)/bin/hw/android\.hardware\.weaver@1\.0-service              u:object_r:vendor_hal_weaver_default_exec:s0
diff --git a/qva/vendor/common/hal_keymint_spu_qti.te b/qva/vendor/common/hal_keymint_spu_qti.te
new file mode 100644
index 00000000..df4e4308
--- /dev/null
+++ b/qva/vendor/common/hal_keymint_spu_qti.te
@@ -0,0 +1,71 @@
+# Copyright (c) 2023, The Linux Foundation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of The Linux Foundation nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED"AS IS" AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+
+type vendor_hal_keymint_spu_qti, domain;
+hal_server_domain(vendor_hal_keymint_spu_qti, hal_keymint)
+type vendor_hal_keymint_spu_qti_exec, exec_type, vendor_file_type, file_type;
+init_daemon_domain(vendor_hal_keymint_spu_qti)
+
+# Read security level android property
+get_prop(vendor_hal_keymint_strongbox, vendor_security_patch_level_prop);
+
+# Allow access to spss_utils device
+allow vendor_hal_keymint_spu_qti vendor_spss_utils_device:chr_file rw_file_perms;
+
+# Allow access to spcom devices
+allow vendor_hal_keymint_spu_qti vendor_spcom_device:chr_file rw_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_skp_device:chr_file rw_file_perms;
+
+# Allow read sysfs
+allow vendor_hal_keymint_spu_qti vendor_sysfs_data:file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_sysfs_spdaemon:file r_file_perms;
+r_dir_file(vendor_hal_keymint_spu_qti, vendor_sysfs_spss);
+
+# Allow set / get spcomlib prop
+set_prop(vendor_hal_keymint_spu_qti, vendor_spcomlib_prop)
+
+# Allow access to HLOS<=>SPU share buffers
+allow vendor_hal_keymint_spu_qti vendor_dmabuf_sp_hlos_heap_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_dmabuf_system_heap_device:chr_file r_file_perms;
+
+# Allow access to QSEE<=>SPU share buffers
+allow vendor_hal_keymint_spu_qti vendor_dmabuf_secure_sp_tz_heap_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_dmabuf_qseecom_heap_device:chr_file r_file_perms;
+
+# Allow to access IAR-DB at /mnt/vendor/persist/iar_db
+allow vendor_hal_keymint_spu_qti vendor_persist_iar_db_file:dir rw_dir_perms;
+allow vendor_hal_keymint_spu_qti vendor_persist_iar_db_file:file create_file_perms;
+
+# Allow hyp_assign() for HLOS-SP share buffers (r_file_perms includes ioctl)
+allow vendor_hal_keymint_spu_qti vendor_vm_hlos_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_vm_cp_spss_sp_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_vm_cp_spss_sp_shared_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_vm_cp_spss_hlos_shared_device:chr_file r_file_perms;
+allow vendor_hal_keymint_spu_qti vendor_membuf_dev:chr_file r_file_perms;