type superuser_device, file_type, mlstrustedobject; ## Perms for the daemon userdebug_or_eng(` domain_trans(init, su_exec, sudaemon) typeattribute sudaemon domain, mlstrustedsubject; type_transition sudaemon socket_device:sock_file superuser_device; # The userspace app uses /dev sockets to control per-app access allow sudaemon superuser_device:dir { create rw_dir_perms setattr unlink }; allow sudaemon superuser_device:sock_file { create setattr unlink write }; # sudaemon is also permissive to permit setenforce. permissive sudaemon; # Add sudaemon to various domains net_domain(sudaemon) app_domain(sudaemon) dontaudit sudaemon self:capability_class_set *; dontaudit sudaemon kernel:security *; dontaudit sudaemon kernel:system *; dontaudit sudaemon self:memprotect *; dontaudit sudaemon domain:process *; dontaudit sudaemon domain:fd *; dontaudit sudaemon domain:dir *; dontaudit sudaemon domain:lnk_file *; dontaudit sudaemon domain:{ fifo_file file } *; dontaudit sudaemon domain:socket_class_set *; dontaudit sudaemon domain:ipc_class_set *; dontaudit sudaemon domain:key *; dontaudit sudaemon fs_type:filesystem *; dontaudit sudaemon {fs_type dev_type file_type}:dir_file_class_set *; dontaudit sudaemon node_type:node *; dontaudit sudaemon node_type:{ tcp_socket udp_socket rawip_socket } *; dontaudit sudaemon netif_type:netif *; dontaudit sudaemon port_type:socket_class_set *; dontaudit sudaemon port_type:{ tcp_socket dccp_socket } *; dontaudit sudaemon domain:peer *; dontaudit sudaemon domain:binder *; dontaudit sudaemon property_type:property_service *; ') ## Perms for the app userdebug_or_eng(` # Translate user apps to the shell domain when using su # # PR_SET_NO_NEW_PRIVS blocks this :( # we need to find a way to narrow this down to the actual exec. # typealias shell alias suclient; # domain_auto_trans(untrusted_app, su_exec, suclient) allow untrusted_app su_exec:file { execute_no_trans getattr open read execute }; allow untrusted_app sudaemon:unix_stream_socket { connectto read write setopt ioctl }; allow untrusted_app superuser_device:dir { r_dir_perms }; allow untrusted_app superuser_device:sock_file { write }; # For Settings control of access allow system_app superuser_device:sock_file { read write create setattr unlink getattr }; allow system_app sudaemon:unix_stream_socket { connectto read write setopt ioctl }; allow system_app superuser_device:dir { create rw_dir_perms setattr unlink }; ')