platform_system_sepolicy/microdroid/system/private/ueventd.te
Inseob Kim 85091cd806 Allow init to relabelto console_device
Init will try restorecon /dev/console, together with /dev, at the second
stage boot.

Bug: 193118220
Test: atest MicrodroidHostTestCases
Change-Id: Ie9796368b54bb0773eabf5ff6feb2b4aa41d0bfa
2022-03-22 22:11:03 +09:00

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typeattribute ueventd coredomain;
tmpfs_domain(ueventd)
# Write to /dev/kmsg.
allow ueventd kmsg_device:chr_file rw_file_perms;
allow ueventd self:global_capability_class_set { chown mknod net_admin setgid fsetid sys_rawio dac_override dac_read_search fowner setuid };
allow ueventd device:file create_file_perms;
r_dir_file(ueventd, rootfs)
# ueventd needs write access to files in /sys to regenerate uevents
allow ueventd sysfs_type:file w_file_perms;
r_dir_file(ueventd, sysfs_type)
allow ueventd sysfs_type:{ file lnk_file } { relabelfrom relabelto setattr };
allow ueventd sysfs_type:dir { relabelfrom relabelto setattr };
allow ueventd tmpfs:chr_file rw_file_perms;
allow ueventd dev_type:dir create_dir_perms;
allow ueventd dev_type:lnk_file { create unlink };
allow ueventd dev_type:chr_file { getattr create setattr unlink };
allow ueventd dev_type:blk_file { getattr relabelfrom relabelto create setattr unlink };
allow ueventd self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
# Get SELinux enforcing status.
r_dir_file(ueventd, selinuxfs)
# Access for /vendor/ueventd.rc and /vendor/firmware
r_dir_file(ueventd, vendor_file_type)
# Access for /apex/*/firmware
allow ueventd apex_mnt_dir:dir r_dir_perms;
# Get file contexts for new device nodes
allow ueventd file_contexts_file:file r_file_perms;
# Use setfscreatecon() to label /dev directories and files.
allow ueventd self:process setfscreate;
# Allow ueventd to read androidboot.android_dt_dir from kernel cmdline or bootconfig.
allow ueventd proc_cmdline:file r_file_perms;
allow ueventd proc_bootconfig:file r_file_perms;
# ueventd loads modules in response to modalias events.
allow ueventd self:global_capability_class_set sys_module;
allow ueventd vendor_file:system module_load;
allow ueventd kernel:key search;
# ueventd is using bootstrap bionic
use_bootstrap_libs(ueventd)
# ueventd sets ro.cold_boot_done to signal to init that cold boot has completed.
set_prop(ueventd, cold_boot_done_prop)