generic/vendor/common/mdm_helper.te

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#Policy for vendor_mdm_helper
#vendor_mdm_helper - vendor_mdm_helper domain
type vendor_mdm_helper, domain;
type vendor_mdm_helper_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(vendor_mdm_helper);

#block_suspend capability is needed by kickstart(ks)
wakelock_use(vendor_mdm_helper)

#Needed to power on the peripheral
allow vendor_mdm_helper vendor_ssr_device:chr_file r_file_perms;

#Needed to access the esoc device to control the mdm
allow vendor_mdm_helper vendor_esoc_device:dir r_dir_perms;
allow vendor_mdm_helper vendor_esoc_device:chr_file rw_file_perms;

#Needed in order to run kickstart
allow vendor_mdm_helper vendor_shell_exec:file rx_file_perms;
allow vendor_mdm_helper vendor_mdm_helper_exec :file x_file_perms;

#Rampdump config
#
# User variant
#   Probe for write access to vendor tombstones as the
#   presense of tombstones on subsystem does not correlate
#   to Android user/userdebug config
allow vendor_mdm_helper vendor_tombstone_data_file:dir r_dir_perms;
dontaudit vendor_mdm_helper vendor_tombstone_data_file:dir write;
# Userdebug/eng variant
userdebug_or_eng(`
allow vendor_mdm_helper vendor_tombstone_data_file:dir create_dir_perms;
allow vendor_mdm_helper vendor_tombstone_data_file:file create_file_perms;
')
#Ramdump config END

#Needed to kill its own forked process on efs sync
allow vendor_mdm_helper self:capability kill;

#Needed by ks in order to access the efs sync partitions.
allow vendor_mdm_helper block_device:dir r_dir_perms;
allow vendor_mdm_helper vendor_efs_boot_dev:blk_file rw_file_perms;

#Needed in order to access the firmware partition
r_dir_file(vendor_mdm_helper, firmware_file)

#Needed to allow boot over PCIe
allow vendor_mdm_helper vendor_mhi_device:chr_file rw_file_perms;