Revert "Add sepolicy for fastbootd"

This reverts commit 0fd3ed3b8b.

Reason for revert: Broke user builds.

Change-Id: If95f1a25d22425a5a2b68a02d1561352fb5a52f0

private/adbd.te

@@ -18,9 +18,6 @@ userdebug_or_eng(`
 recovery_only(`
   domain_trans(adbd, rootfs, shell)
   allow adbd shell:process dyntransition;
-
-  # Allows reboot fastboot to enter fastboot directly
-  unix_socket_connect(adbd, recovery, recovery)
 ')
 
 # Do not sanitize the environment or open fds of the shell. Allow signaling

private/compat/26.0/26.0.ignore.cil

@@ -49,7 +49,6 @@
     exported3_default_prop
     exported3_radio_prop
     exported3_system_prop
-    fastbootd
     fingerprint_vendor_data_file
     fs_bpf
     hal_audiocontrol_hwservice
@@ -97,7 +96,6 @@
     perfetto_traces_data_file
     perfprofd_service
     property_info
-    recovery_socket
     secure_element
     secure_element_device
     secure_element_tmpfs

private/compat/27.0/27.0.ignore.cil

@@ -45,7 +45,6 @@
     exported_system_radio_prop
     exported_vold_prop
     exported_wifi_prop
-    fastbootd
     fingerprint_vendor_data_file
     fs_bpf
     hal_audiocontrol_hwservice
@@ -84,7 +83,6 @@
     perfetto_traces_data_file
     perfprofd_service
     property_info
-    recovery_socket
     secure_element
     secure_element_device
     secure_element_service

private/compat/28.0/28.0.ignore.cil

@@ -5,7 +5,6 @@
 (typeattributeset new_objects
   ( activity_task_service
     adb_service
-    fastbootd
     hal_health_filesystem_hwservice
     hal_system_suspend_default
     hal_system_suspend_default_exec
@@ -15,7 +14,6 @@
     llkd_tmpfs
     mnt_product_file
     overlayfs_file
-    recovery_socket
     system_lmk_prop
     system_suspend_hwservice
     time_prop

private/fastbootd.te

@@ -1 +0,0 @@
-typeattribute fastbootd coredomain;

private/file_contexts

@@ -149,7 +149,6 @@
 /dev/socket/pdx/system/vr/display/vsync	u:object_r:pdx_display_vsync_endpoint_socket:s0
 /dev/socket/property_service	u:object_r:property_socket:s0
 /dev/socket/racoon	u:object_r:racoon_socket:s0
-/dev/socket/recovery    u:object_r:recovery_socket:s0
 /dev/socket/rild	u:object_r:rild_socket:s0
 /dev/socket/rild-debug	u:object_r:rild_debug_socket:s0
 /dev/socket/tombstoned_crash u:object_r:tombstoned_crash_socket:s0

private/init.te

@@ -9,7 +9,6 @@ domain_trans(init, rootfs, slideshow)
 domain_auto_trans(init, e2fs_exec, e2fs)
 recovery_only(`
   domain_trans(init, rootfs, adbd)
-  domain_trans(init, rootfs, fastbootd)
   domain_trans(init, rootfs, recovery)
 ')
 domain_trans(init, shell_exec, shell)

public/domain.te

@@ -557,7 +557,6 @@ neverallow {
   domain
   -adbd
   -dumpstate
-  -fastbootd
   -hal_drm_server
   -hal_cas_server
   -init
@@ -592,21 +591,11 @@ neverallow {
   -fsck
 } metadata_block_device:blk_file { append link rename write open read ioctl lock };
 
-# No domain other than recovery, update_engine and fastbootd can write to system partition(s).
-neverallow {
-  domain
-  -fastbootd
-  -recovery
-  -update_engine
-} system_block_device:blk_file { write append };
+# No domain other than recovery and update_engine can write to system partition(s).
+neverallow { domain -recovery -update_engine } system_block_device:blk_file { write append };
 
-# No domains other than install_recovery, recovery or fastbootd can write to recovery.
-neverallow {
-  domain
-  -fastbootd
-  -install_recovery
-  -recovery
-} recovery_block_device:blk_file { write append };
+# No domains other than install_recovery or recovery can write to recovery.
+neverallow { domain -install_recovery -recovery } recovery_block_device:blk_file { write append };
 
 # No domains other than a select few can access the misc_block_device. This
 # block device is reserved for OTA use.

public/fastbootd.te

@@ -1,59 +0,0 @@
-# fastbootd (used in recovery init.rc for /sbin/fastbootd)
-
-# Declare the domain unconditionally so we can always reference it
-# in neverallow rules.
-type fastbootd, domain;
-
-# But the allow rules are only included in the recovery policy.
-# Otherwise fastbootd is only allowed the domain rules.
-recovery_only(`
-  # fastbootd can only use HALs in passthrough mode
-  passthrough_hal_client_domain(fastbootd, hal_bootctl)
-
-  # Access /dev/usb-ffs/fastbootd/ep0
-  allow fastbootd functionfs:dir search;
-  allow fastbootd functionfs:file rw_file_perms;
-
-  # Log to serial
-  allow fastbootd kmsg_device:chr_file { open write };
-
-  # battery info
-  allow fastbootd sysfs_batteryinfo:file r_file_perms;
-
-  allow fastbootd device:dir r_dir_perms;
-
-  # Reboot the device
-  set_prop(fastbootd, powerctl_prop)
-
-  # Read serial number of the device from system properties
-  get_prop(fastbootd, serialno_prop)
-
-  # Set sys.usb.ffs.ready.
-  set_prop(fastbootd, ffs_prop)
-  set_prop(fastbootd, exported_ffs_prop)
-
-  unix_socket_connect(fastbootd, recovery, recovery)
-
-  # Required for flashing
-  allow fastbootd dm_device:chr_file rw_file_perms;
-  allow fastbootd dm_device:blk_file rw_file_perms;
-
-  allow fastbootd system_block_device:blk_file rw_file_perms;
-  allow fastbootd boot_block_device:blk_file rw_file_perms;
-
-  allow fastbootd misc_block_device:blk_file rw_file_perms;
-
-  allow fastbootd proc_cmdline:file r_file_perms;
-  allow fastbootd rootfs:dir r_dir_perms;
-  allow fastbootd sysfs_dt_firmware_android:file r_file_perms;
-')
-
-###
-### neverallow rules
-###
-
-# Write permission is required to wipe userdata
-# until recovery supports vold.
-neverallow fastbootd {
-   data_file_type
-}:file { no_x_file_perms };

public/file.te

@@ -342,7 +342,6 @@ type mtpd_socket, file_type, coredomain_socket;
 type netd_socket, file_type, coredomain_socket;
 type property_socket, file_type, coredomain_socket, mlstrustedobject;
 type racoon_socket, file_type, coredomain_socket;
-type recovery_socket, file_type, coredomain_socket;
 type rild_socket, file_type;
 type rild_debug_socket, file_type;
 type system_wpa_socket, file_type, data_file_type, core_data_file_type, coredomain_socket;

public/recovery.te

@@ -118,10 +118,6 @@ recovery_only(`
   set_prop(recovery, ffs_prop)
   set_prop(recovery, exported_ffs_prop)
 
-  # Set sys.usb.config when switching into fastboot.
-  set_prop(recovery, system_radio_prop)
-  set_prop(recovery, exported_system_radio_prop)
-
   # Read ro.boot.bootreason
   get_prop(recovery, bootloader_boot_reason_prop)