policy_module(cdrecord, 2.0.0) ######################################## # # Declarations # ## ##

## Allow cdrecord to read various content. ## nfs, samba, removable devices, user temp ## and untrusted content files ##

##
gen_tunable(cdrecord_read_content, false) type cdrecord_t; type cdrecord_exec_t; typealias cdrecord_t alias { user_cdrecord_t staff_cdrecord_t sysadm_cdrecord_t }; typealias cdrecord_t alias { auditadm_cdrecord_t secadm_cdrecord_t }; application_domain(cdrecord_t, cdrecord_exec_t) ubac_constrained(cdrecord_t) ######################################## # # Local policy # allow cdrecord_t self:capability { ipc_lock sys_nice setuid dac_override sys_rawio }; allow cdrecord_t self:process { getsched setsched sigkill }; allow cdrecord_t self:unix_dgram_socket create_socket_perms; allow cdrecord_t self:unix_stream_socket create_stream_socket_perms; # allow searching for cdrom-drive dev_list_all_dev_nodes(cdrecord_t) domain_interactive_fd(cdrecord_t) domain_use_interactive_fds(cdrecord_t) files_read_etc_files(cdrecord_t) term_use_controlling_term(cdrecord_t) term_list_ptys(cdrecord_t) # allow cdrecord to write the CD storage_raw_write_removable_device(cdrecord_t) storage_write_scsi_generic(cdrecord_t) logging_send_syslog_msg(cdrecord_t) miscfiles_read_localization(cdrecord_t) # write to the user domain tty. userdom_use_user_terminals(cdrecord_t) userdom_read_user_home_content_files(cdrecord_t) # Handle nfs home dirs tunable_policy(`cdrecord_read_content && use_nfs_home_dirs',` fs_list_auto_mountpoints(cdrecord_t) files_list_home(cdrecord_t) fs_read_nfs_files(cdrecord_t) fs_read_nfs_symlinks(cdrecord_t) ',` files_dontaudit_list_home(cdrecord_t) fs_dontaudit_list_auto_mountpoints(cdrecord_t) fs_dontaudit_read_nfs_files(cdrecord_t) fs_dontaudit_list_nfs(cdrecord_t) ') # Handle samba home dirs tunable_policy(`cdrecord_read_content && use_samba_home_dirs',` fs_list_auto_mountpoints(cdrecord_t) files_list_home(cdrecord_t) fs_read_cifs_files(cdrecord_t) fs_read_cifs_symlinks(cdrecord_t) ',` files_dontaudit_list_home(cdrecord_t) fs_dontaudit_list_auto_mountpoints(cdrecord_t) fs_dontaudit_read_cifs_files(cdrecord_t) fs_dontaudit_list_cifs(cdrecord_t) ') # Handle removable media, /tmp, and /home tunable_policy(`cdrecord_read_content',` userdom_list_user_tmp(cdrecord_t) userdom_read_user_tmp_files(cdrecord_t) userdom_read_user_tmp_symlinks(cdrecord_t) userdom_read_user_home_content_files(cdrecord_t) userdom_read_user_home_content_symlinks(cdrecord_t) ifndef(`enable_mls',` fs_search_removable(cdrecord_t) fs_read_removable_files(cdrecord_t) fs_read_removable_symlinks(cdrecord_t) ') ',` files_dontaudit_list_tmp(cdrecord_t) files_dontaudit_list_home(cdrecord_t) fs_dontaudit_list_removable(cdrecord_t) fs_dontaudit_read_removable_files(cdrecord_t) userdom_dontaudit_list_user_tmp(cdrecord_t) userdom_dontaudit_read_user_tmp_files(cdrecord_t) userdom_dontaudit_list_user_home_dirs(cdrecord_t) userdom_dontaudit_read_user_home_content_files(cdrecord_t) ') # Handle default_t content tunable_policy(`cdrecord_read_content && read_default_t',` files_list_default(cdrecord_t) files_read_default_files(cdrecord_t) files_read_default_symlinks(cdrecord_t) ',` files_dontaudit_read_default_files(cdrecord_t) files_dontaudit_list_default(cdrecord_t) ') tunable_policy(`use_nfs_home_dirs',` files_search_mnt(cdrecord_t) fs_read_nfs_files(cdrecord_t) fs_read_nfs_symlinks(cdrecord_t) ') optional_policy(` resmgr_stream_connect(cdrecord_t) ')