Generate a separate fstab file for FIPS mode am: 08c8bc2e40
Original change: https://googleplex-android-review.googlesource.com/c/device/google/gs101/+/15522272 Change-Id: I989dad797866cc82ad11cf2bca3e705370689517
This commit is contained in:
Eric Biggers
Automerger Merge Worker
commit
f8622be0fd
5 changed files with 75 additions and 7 deletions
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@ -59,7 +59,17 @@ BOARD_USES_GENERIC_KERNEL_IMAGE := true
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BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT := true
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BOARD_MOVE_GSI_AVB_KEYS_TO_VENDOR_BOOT := true
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TARGET_RECOVERY_WIPE := device/google/gs101/conf/recovery.wipe
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TARGET_RECOVERY_FSTAB := device/google/gs101/conf/fstab.gs101
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# This is the fstab file that will be included in the recovery image. Note that
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# recovery doesn't care about the encryption settings, so it doesn't matter
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# whether we use the normal or the fips fstab here.
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#
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# Since this is a generated file, it's necessary to use intermediates-dir-for in
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# order to refer to it correctly. And since intermediates-dir-for isn't defined
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# yet when this file is included, it's necessary to use a deferred variable
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# assignment ( = ) rather than an immediate variable assignment ( := ).
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TARGET_RECOVERY_FSTAB = $(call intermediates-dir-for,ETC,fstab.gs101)/fstab.gs101
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TARGET_RECOVERY_PIXEL_FORMAT := ABGR_8888
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TARGET_RECOVERY_UI_MARGIN_HEIGHT := 165
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TARGET_RECOVERY_UI_LIB := \
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55
conf/Android.bp
Normal file
55
conf/Android.bp
Normal file
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@ -0,0 +1,55 @@
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/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// By default this device uses hardware-wrapped keys for storage encryption,
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// which is intended to offer increased security over the traditional method
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// (software keys). However, hardware-wrapped keys aren't compatible with
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// FIPS-140 certification of the encryption hardware, and hence we have to
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// disable the use of them in FIPS mode. This requires having two fstab files:
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// one for the default mode, and one for FIPS mode selectable via
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// androidboot.fstab_suffix on the kernel command line. These fstabs should be
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// identical with the exception of the encryption settings, so to keep them in
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// sync the rules below generate them from a template file.
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genrule {
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name: "gen_fstab.gs101",
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srcs: ["fstab.gs101.in"],
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out: ["fstab.gs101"],
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cmd: "sed -e s/@fileencryption@/::inlinecrypt_optimized+wrappedkey_v0/" +
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" -e s/@metadata_encryption@/:wrappedkey_v0/ $(in) > $(out)",
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}
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genrule {
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name: "gen_fstab.gs101-fips",
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srcs: ["fstab.gs101.in"],
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out: ["fstab.gs101-fips"],
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cmd: "sed -e s/@fileencryption@/aes-256-xts/" +
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" -e s/@metadata_encryption@/aes-256-xts/ $(in) > $(out)",
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}
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prebuilt_etc {
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name: "fstab.gs101",
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src: ":gen_fstab.gs101",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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prebuilt_etc {
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name: "fstab.gs101-fips",
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src: ":gen_fstab.gs101-fips",
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vendor: true,
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vendor_ramdisk_available: true,
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}
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@ -17,7 +17,7 @@ vendor_dlkm /vendor_dlkm
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/dev/block/platform/14700000.ufs/by-name/misc /misc emmc defaults wait
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/dev/block/platform/14700000.ufs/by-name/metadata /metadata ext4 noatime,nosuid,nodev,data=journal,commit=1 wait,check,formattable,first_stage_mount,metadata_csum
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/dev/block/platform/14700000.ufs/by-name/pvmfw /pvmfw emmc defaults wait,slotselect,avb=pvmfw,first_stage_mount
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/dev/block/platform/14700000.ufs/by-name/userdata /data f2fs noatime,nosuid,nodev,discard,reserve_root=32768,resgid=1065,fsync_mode=nobarrier,inlinecrypt,compress_extension=apk,compress_extension=apex,compress_extension=so,atgc,checkpoint_merge latemount,wait,check,quota,formattable,sysfs_path=/dev/sys/block/bootdevice,checkpoint=fs,reservedsize=128M,fileencryption=::inlinecrypt_optimized+wrappedkey_v0,metadata_encryption=:wrappedkey_v0,keydirectory=/metadata/vold/metadata_encryption,fscompress,readahead_size_kb=128
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/dev/block/platform/14700000.ufs/by-name/userdata /data f2fs noatime,nosuid,nodev,discard,reserve_root=32768,resgid=1065,fsync_mode=nobarrier,inlinecrypt,compress_extension=apk,compress_extension=apex,compress_extension=so,atgc,checkpoint_merge latemount,wait,check,quota,formattable,sysfs_path=/dev/sys/block/bootdevice,checkpoint=fs,reservedsize=128M,fileencryption=@fileencryption@,metadata_encryption=@metadata_encryption@,keydirectory=/metadata/vold/metadata_encryption,fscompress,readahead_size_kb=128
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/dev/block/platform/14700000.ufs/by-name/vbmeta /vbmeta emmc defaults slotselect,first_stage_mount
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/dev/block/zram0 none swap defaults zramsize=3221225472,max_comp_streams=8,zram_backingdev_size=512M
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/devices/platform/11110000.usb* auto vfat defaults voldmanaged=usb:auto
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@ -306,7 +306,7 @@ on late-fs
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class_start animation
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# Mount RW partitions which need run fsck
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mount_all /vendor/etc/fstab.gs101 --late
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mount_all --late
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on post-fs-data
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# Log data folder
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@ -503,7 +503,7 @@ on property:persist.vendor.radio.no_modem_board=1
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setprop ro.radio.noril yes
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on fs
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mount_all /vendor/etc/fstab.gs101 --early
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mount_all --early
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restorecon_recursive /mnt/vendor/efs
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chown radio system /mnt/vendor/efs
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restorecon_recursive /mnt/vendor/efs_backup
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@ -251,10 +251,13 @@ PRODUCT_COPY_FILES += \
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device/google/gs101/conf/init.recovery.device.rc:$(TARGET_COPY_OUT_RECOVERY)/root/init.recovery.gs101.rc
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# Fstab files
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PRODUCT_PACKAGES += \
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fstab.gs101 \
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fstab.gs101.vendor_ramdisk \
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fstab.gs101-fips \
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fstab.gs101-fips.vendor_ramdisk
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PRODUCT_COPY_FILES += \
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device/google/gs101/conf/fstab.gs101:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.gs101 \
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device/google/gs101/conf/fstab.persist:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.persist \
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device/google/gs101/conf/fstab.gs101:$(TARGET_COPY_OUT_VENDOR_RAMDISK)/first_stage_ramdisk/fstab.gs101
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device/google/gs101/conf/fstab.persist:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.persist
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# Shell scripts
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PRODUCT_COPY_FILES += \
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