platform_system_sepolicy/install_recovery.te
Stephen Smalley f5e7162f1d sepolicy: remove block_device access from install_recovery
The recovery partition has been assigned a recovery_block_device
type for the AOSP devices, so install_recovery should not need
rw access to the generic block_device type.  Remove it.

Change-Id: I31621a8157998102859a6e9eb76d405caf6d5f0d
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2015-02-24 18:11:51 -05:00

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# service flash_recovery in init.rc
type install_recovery, domain;
type install_recovery_exec, exec_type, file_type;
init_daemon_domain(install_recovery)
allow install_recovery self:capability dac_override;
# /system/bin/install-recovery.sh is a shell script.
# Needs to execute /system/bin/sh
allow install_recovery shell_exec:file rx_file_perms;
# Execute /system/bin/applypatch
allow install_recovery system_file:file rx_file_perms;
# Update the recovery block device
allow install_recovery block_device:dir search;
allow install_recovery recovery_block_device:blk_file rw_file_perms;
# Create and delete /cache/saved.file
allow install_recovery cache_file:dir rw_dir_perms;
allow install_recovery cache_file:file create_file_perms;
# Write to /proc/sys/vm/drop_caches
# TODO: create a specific label for this file instead of allowing
# write for all /proc files.
allow install_recovery proc:file w_file_perms;