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allow init to run mke2fs tools to format partitions

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Test: let fs_mgr format a damaged /data partition
Bug: 35219933
Change-Id: If92352ea7a70780e9d81ab10963d63e16b793792
(cherry picked from commit 5f573ab2aa)
This commit is contained in:
Jin Qian 2017-05-02 13:45:08 -07:00
parent 8a441b6a93
commit 4de505b6fb
6 changed files with 20 additions and 0 deletions
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14
private/e2fs.te Normal file
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@ -0,0 +1,14 @@
type e2fs, domain, coredomain;
allow e2fs block_device:blk_file getattr;
allow e2fs block_device:dir search;
allow e2fs userdata_block_device:blk_file rw_file_perms;
# access /proc/filesystems
allow e2fs proc:file r_file_perms;
# access /sys/fs/ext4/features
allow e2fs sysfs_fs_ext4_features:file r_file_perms;
# access sselinux context files
allow e2fs file_contexts_file:file { getattr open read };

2
private/file_contexts
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@ -17,6 +17,8 @@
/charger u:object_r:rootfs:s0
/init u:object_r:init_exec:s0
/sbin(/.*)? u:object_r:rootfs:s0
/sbin/e2fsdroid u:object_r:e2fs_exec:s0
/sbin/mke2fs u:object_r:e2fs_exec:s0
# For kernel modules
/lib(/.*)? u:object_r:rootfs:s0

1
private/genfs_contexts
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@ -56,6 +56,7 @@ genfscon sysfs /devices/virtual/block/zram1 u:object_r:sysfs_zram:s0
genfscon sysfs /devices/virtual/block/zram0/uevent u:object_r:sysfs_zram_uevent:s0
genfscon sysfs /devices/virtual/block/zram1/uevent u:object_r:sysfs_zram_uevent:s0
genfscon sysfs /devices/virtual/misc/hw_random u:object_r:sysfs_hwrandom:s0
genfscon sysfs /fs/ext4/features u:object_r:sysfs_fs_ext4_features:s0
genfscon sysfs /power/wake_lock u:object_r:sysfs_wake_lock:s0
genfscon sysfs /power/wake_unlock u:object_r:sysfs_wake_lock:s0
genfscon sysfs /kernel/uevent_helper u:object_r:usermodehelper:s0

1
private/init.te
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@ -6,6 +6,7 @@ tmpfs_domain(init)
domain_trans(init, rootfs, charger)
domain_trans(init, rootfs, healthd)
domain_trans(init, rootfs, slideshow)
domain_auto_trans(init, e2fs_exec, e2fs)
recovery_only(`
domain_trans(init, rootfs, adbd)
domain_trans(init, rootfs, recovery)

1
public/e2fs.te Normal file
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@ -0,0 +1 @@
type e2fs_exec, exec_type, file_type;

1
public/file.te
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@ -42,6 +42,7 @@ type sysfs_nfc_power_writable, fs_type, sysfs_type, mlstrustedobject;
type sysfs_wake_lock, fs_type, sysfs_type;
type sysfs_mac_address, fs_type, sysfs_type;
type sysfs_usb, sysfs_type, file_type, mlstrustedobject;
type sysfs_fs_ext4_features, sysfs_type, fs_type;
type configfs, fs_type;
# /sys/devices/system/cpu
type sysfs_devices_system_cpu, fs_type, sysfs_type;