sepolicy: Add support for fastbootd to flash dynamic partitions

Sepolicy changes needed for dynamic partition support for legacy
targets : SDM845 and SDM710
- Add rules to enable fastbootd mode flashing of dynamic partition
- Define labels for super, recovery and vbmeta_system partitions
- Allow update_engine to access recovery partition for OTA

Change-Id: I6f692da6ab687529833a87b6feb375fda26508b8

legacy/vendor/common/fastbootd.te

@@ -0,0 +1,38 @@
+# Copyright (c) 2019, 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.
+
+#Allow fastbootd
+recovery_only(`
+allow fastbootd {
+        custom_ab_block_device
+        recovery_block_device
+        xbl_block_device
+        uefi_block_device
+        modem_block_device
+        mdtp_device
+}:blk_file { rw_file_perms };
+')

legacy/vendor/common/hal_bootctl.te

@@ -40,6 +40,7 @@ allow hal_bootctl {
   ssd_device
   modem_block_device
   system_block_device
+  recovery_block_device
   mdtp_device
 }:blk_file { getattr };
 

legacy/vendor/sdm710/file_contexts

@@ -49,6 +49,7 @@
 /dev/block/platform/soc/1d84000.ufshc/by-name/mdtp                               u:object_r:mdtp_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/dip                                u:object_r:dip_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/storsec                            u:object_r:boot_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/super                              u:object_r:super_block_device:s0
 
 #rawdump partition
 /dev/block/platform/soc/1d84000.ufshc/by-name/rawdump                            u:object_r:rawdump_block_device:s0
@@ -81,8 +82,12 @@
 /dev/block/platform/soc/1d84000.ufshc/by-name/xbl_config_[ab]   u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/storsec_[ab]      u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/ImageFv_[ab]      u:object_r:custom_ab_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/recovery_[ab]      u:object_r:recovery_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/vbmeta_system_[ab] u:object_r:custom_ab_block_device:s0
 
 #for eMMC
+/dev/block/platform/soc/7c4000.sdhci/by-name/super             u:object_r:super_block_device:s0
+
 # A/B partitions.
 /dev/block/platform/soc/7c4000.sdhci/by-name/abl_[ab]          u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/7c4000.sdhci/by-name/apdp_[ab]         u:object_r:custom_ab_block_device:s0
@@ -111,6 +116,8 @@
 /dev/block/platform/soc/7c4000.sdhci/by-name/xbl_config_[ab]   u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/7c4000.sdhci/by-name/storsec_[ab]      u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/7c4000.sdhci/by-name/ImageFv_[ab]      u:object_r:custom_ab_block_device:s0
+/dev/block/platform/soc/7c4000.sdhci/by-name/recovery_[ab]      u:object_r:recovery_block_device:s0
+/dev/block/platform/soc/7c4000.sdhci/by-name/vbmeta_system_[ab] u:object_r:custom_ab_block_device:s0
 
 #non A/B
 /dev/block/platform/soc/7c4000.sdhci/by-name/system                            u:object_r:system_block_device:s0

legacy/vendor/sdm710/update_engine_common.te

@@ -36,5 +36,7 @@ allow update_engine_common {
 	system_block_device
 	boot_block_device
 	mdtp_device
+        recovery_block_device
 }:blk_file rw_file_perms;
 
+allow update_engine_common tmpfs:lnk_file r_file_perms;

legacy/vendor/sdm845/file_contexts

@@ -46,6 +46,7 @@
 /dev/block/platform/soc/1d84000.ufshc/by-name/mdtp                               u:object_r:mdtp_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/dip                                u:object_r:dip_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/storsec                            u:object_r:boot_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/super                              u:object_r:super_block_device:s0
 
 #rawdump partition
 /dev/block/platform/soc/1d84000.ufshc/by-name/rawdump                            u:object_r:rawdump_block_device:s0
@@ -79,6 +80,9 @@
 /dev/block/platform/soc/1d84000.ufshc/by-name/storsec_[ab]      u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/ImageFv_[ab]      u:object_r:custom_ab_block_device:s0
 /dev/block/platform/soc/1d84000.ufshc/by-name/persist           u:object_r:persist_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/recovery_[ab]     u:object_r:recovery_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/vbmeta_system_[ab]  u:object_r:custom_ab_block_device:s0
+/dev/block/platform/soc/1d84000.ufshc/by-name/uefisecapp_[ab]     u:object_r:uefi_block_device:s0
 
 # Block device holding the GPT, where the A/B attributes are stored.
 /dev/block/platform/soc/1d84000.ufshc/sd[ade]                   u:object_r:gpt_block_device:s0

legacy/vendor/sdm845/update_engine_common.te

@@ -32,5 +32,8 @@ allow update_engine_common {
 	xbl_block_device
 	ssd_device
 	modem_block_device
+        uefi_block_device
+        recovery_block_device
 }:blk_file rw_file_perms;
 
+allow update_engine_common tmpfs:lnk_file r_file_perms;