Add sepolicy for fastbootd

Also allow adb and fastboot to talk to recovery
through recovery_socket. This enables changing
between modes with usb commands.

Test: No selinux denials
Bug: 78793464
Change-Id: I80c54d4eaf3b94a1fe26d2280af4e57cb1593790
diff --git a/private/adbd.te b/private/adbd.te
index 191c519..864358a 100644
--- a/private/adbd.te
+++ b/private/adbd.te
@@ -18,6 +18,9 @@
 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
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 5a96107..d52b41b 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -49,6 +49,7 @@
     exported3_default_prop
     exported3_radio_prop
     exported3_system_prop
+    fastbootd
     fingerprint_vendor_data_file
     fs_bpf
     hal_audiocontrol_hwservice
@@ -96,6 +97,7 @@
     perfetto_traces_data_file
     perfprofd_service
     property_info
+    recovery_socket
     secure_element
     secure_element_device
     secure_element_tmpfs
diff --git a/private/compat/27.0/27.0.ignore.cil b/private/compat/27.0/27.0.ignore.cil
index 9120694..8e5370c 100644
--- a/private/compat/27.0/27.0.ignore.cil
+++ b/private/compat/27.0/27.0.ignore.cil
@@ -45,6 +45,7 @@
     exported_system_radio_prop
     exported_vold_prop
     exported_wifi_prop
+    fastbootd
     fingerprint_vendor_data_file
     fs_bpf
     hal_audiocontrol_hwservice
@@ -83,6 +84,7 @@
     perfetto_traces_data_file
     perfprofd_service
     property_info
+    recovery_socket
     secure_element
     secure_element_device
     secure_element_service
diff --git a/private/compat/28.0/28.0.ignore.cil b/private/compat/28.0/28.0.ignore.cil
index 18955b2..5386bee 100644
--- a/private/compat/28.0/28.0.ignore.cil
+++ b/private/compat/28.0/28.0.ignore.cil
@@ -5,6 +5,7 @@
 (typeattributeset new_objects
   ( activity_task_service
     adb_service
+    fastbootd
     hal_health_filesystem_hwservice
     hal_system_suspend_default
     hal_system_suspend_default_exec
@@ -14,6 +15,7 @@
     llkd_tmpfs
     mnt_product_file
     overlayfs_file
+    recovery_socket
     system_lmk_prop
     system_suspend_hwservice
     time_prop
diff --git a/private/fastbootd.te b/private/fastbootd.te
new file mode 100644
index 0000000..29a9157
--- /dev/null
+++ b/private/fastbootd.te
@@ -0,0 +1 @@
+typeattribute fastbootd coredomain;
diff --git a/private/file_contexts b/private/file_contexts
index 003d66c..0a77f6b 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -149,6 +149,7 @@
 /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
diff --git a/private/init.te b/private/init.te
index 02686a3..30e5e36 100644
--- a/private/init.te
+++ b/private/init.te
@@ -9,6 +9,7 @@
 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)