selinux-refpolicy/policy/modules/apps/mplayer.if

## <summary>Mplayer media player and encoder</summary>

#######################################
## <summary>
##	The per role template for the mplayer module.
## </summary>
## <desc>
##	<p>
##	This template creates a derived domains which are used
##	for mplayer media player.
##	</p>
##	<p>
##	This template is invoked automatically for each user, and
##	generally does not need to be invoked directly
##	by policy writers.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the user domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="user_domain">
##	<summary>
##	The type of the user domain.
##	</summary>
## </param>
## <param name="user_role">
##	<summary>
##	The role associated with the user domain.
##	</summary>
## </param>
#
template(`mplayer_per_role_template',`
	gen_require(`
		type mencoder_exec_t, mplayer_exec_t, mplayer_etc_t;
	')

	########################################
	#
	# Declarations
	#

	type $1_mencoder_t;
	application_domain($1_mencoder_t,mencoder_exec_t)
	role $3 types $1_mencoder_t;

	type $1_mplayer_t;
	application_domain($1_mplayer_t,mplayer_exec_t)
	role $3 types $1_mplayer_t;

	type $1_mplayer_home_t alias $1_mplayer_rw_t;
	files_poly_member($1_mplayer_home_t)
	userdom_user_home_content($1,$1_mplayer_home_t)

	type $1_mplayer_tmpfs_t;
	files_tmpfs_file($1_mplayer_tmpfs_t)

	########################################
	#
	# mencoder local policy
	#

	manage_dirs_pattern($1_mencoder_t,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_files_pattern($1_mencoder_t,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_lnk_files_pattern($1_mencoder_t,$1_mplayer_home_t,$1_mplayer_home_t)

	# Read global config
	allow $1_mencoder_t mplayer_etc_t:dir list_dir_perms;
	read_files_pattern($1_mencoder_t,mplayer_etc_t,mplayer_etc_t)
	read_lnk_files_pattern($1_mencoder_t,mplayer_etc_t,mplayer_etc_t)
	
	# domain transition
	domtrans_pattern($2, mencoder_exec_t, $1_mencoder_t)

	# Allow the user domain to signal/ps.
	ps_process_pattern($2,$1_mencoder_t)
	allow $2 $1_mencoder_t:process signal_perms;

	# Read /proc files and directories
	# Necessary for /proc/meminfo, /proc/cpuinfo, etc..
	kernel_read_system_state($1_mencoder_t)
	# Sysctl on kernel version 
	kernel_read_kernel_sysctls($1_mencoder_t)

	# Required for win32 binary loader 
	dev_rwx_zero($1_mencoder_t)
	# Access to DVD/CD/V4L
	dev_read_video_dev($1_mencoder_t)

	# Read data in /usr/share (fonts, icons..)
	files_read_usr_files($1_mencoder_t)
	files_read_usr_symlinks($1_mencoder_t)

	fs_search_auto_mountpoints($1_mencoder_t)

	# Access to DVD/CD/V4L
	storage_raw_read_removable_device($1_mencoder_t)

	libs_use_ld_so($1_mencoder_t)
	libs_use_shared_libs($1_mencoder_t)

	miscfiles_read_localization($1_mencoder_t)

	userdom_use_user_terminals($1,$1_mencoder_t)
	# Handle removable media, /tmp, and /home
	userdom_list_user_tmp($1,$1_mencoder_t)
	userdom_read_user_tmp_files($1,$1_mencoder_t)
	userdom_read_user_tmp_symlinks($1,$1_mencoder_t)
	userdom_read_user_home_content_files($1,$1_mencoder_t)
	userdom_read_user_home_content_symlinks($1,$1_mencoder_t)

	# Read content to encode
	ifdef(`enable_mls',`',`
		fs_search_removable($1_mencoder_t)
		fs_read_removable_files($1_mencoder_t)
		fs_read_removable_symlinks($1_mencoder_t)
	')

	tunable_policy(`allow_execmem',`
		allow $1_mencoder_t self:process execmem;
	')

	tunable_policy(`allow_execmod',`
		dev_execmod_zero($1_mencoder_t)
	')

	tunable_policy(`allow_mplayer_execstack',`
		allow $1_mencoder_t self:process { execmem execstack };
	')

	tunable_policy(`use_nfs_home_dirs',`
		fs_manage_nfs_dirs($1_mencoder_t)
		fs_manage_nfs_files($1_mencoder_t)
		fs_manage_nfs_symlinks($1_mencoder_t)

	')

	tunable_policy(`use_samba_home_dirs',`
		fs_manage_cifs_dirs($1_mencoder_t)
		fs_manage_cifs_files($1_mencoder_t)
		fs_manage_cifs_symlinks($1_mencoder_t)

	')

	# Read content to encode
	tunable_policy(`use_nfs_home_dirs',`
		fs_list_auto_mountpoints($1_mencoder_t)
		files_list_home($1_mencoder_t)
		fs_read_nfs_files($1_mencoder_t)
		fs_read_nfs_symlinks($1_mencoder_t)
	
	',`
		files_dontaudit_list_home($1_mencoder_t)
		fs_dontaudit_list_auto_mountpoints($1_mencoder_t)
		fs_dontaudit_read_nfs_files($1_mencoder_t)
		fs_dontaudit_list_nfs($1_mencoder_t)
	')

	tunable_policy(`use_samba_home_dirs',`
		fs_list_auto_mountpoints($1_mencoder_t)
		files_list_home($1_mencoder_t)
		fs_read_cifs_files($1_mencoder_t)
		fs_read_cifs_symlinks($1_mencoder_t)
	',`
		files_dontaudit_list_home($1_mencoder_t)
		fs_dontaudit_list_auto_mountpoints($1_mencoder_t)
		fs_dontaudit_read_cifs_files($1_mencoder_t)
		fs_dontaudit_list_cifs($1_mencoder_t)
	')

	tunable_policy(`read_default_t',`
		files_list_default($1_mencoder_t)
		files_read_default_files($1_mencoder_t)
		files_read_default_symlinks($1_mencoder_t)
	',`
		files_dontaudit_read_default_files($1_mencoder_t)
		files_dontaudit_list_default($1_mencoder_t)
	')

	tunable_policy(`read_untrusted_content',`
		files_list_tmp($1_mencoder_t)
		files_list_home($1_mencoder_t)
	
		userdom_list_user_untrusted_content($1,$1_mencoder_t)
		userdom_read_user_untrusted_content_files($1,$1_mencoder_t)
		userdom_read_user_untrusted_content_symlinks($1,$1_mencoder_t)
		userdom_list_user_tmp_untrusted_content($1,$1_mencoder_t)
		userdom_read_user_tmp_untrusted_content_files($1,$1_mencoder_t)
		userdom_read_user_tmp_untrusted_content_symlinks($1,$1_mencoder_t)
	',`
		files_dontaudit_list_tmp($1_mencoder_t)
		files_dontaudit_list_home($1_mencoder_t)
		userdom_dontaudit_list_user_home_dirs($1,$1_mencoder_t)
		userdom_dontaudit_list_user_untrusted_content($1,$1_mencoder_t)
		userdom_dontaudit_read_user_untrusted_content_files($1,$1_mencoder_t)
		userdom_dontaudit_list_user_tmp_untrusted_content($1,$1_mencoder_t)
		userdom_dontaudit_read_user_tmp_untrusted_content_files($1,$1_mencoder_t)
	')

	tunable_policy(`write_untrusted_content',`
		userdom_manage_user_untrusted_content_files($1, $1_mplayer_t)
	')

	# Save encoded files
	tunable_policy(`write_untrusted_content && use_nfs_home_dirs',`
		files_search_home($1_mencoder_t)

		fs_search_auto_mountpoints($1_mencoder_t)
		fs_manage_nfs_dirs($1_mencoder_t)
		fs_manage_nfs_files($1_mencoder_t)
		fs_manage_nfs_symlinks($1_mencoder_t)
	',`
		fs_dontaudit_list_auto_mountpoints($1_mencoder_t)
		fs_dontaudit_manage_nfs_dirs($1_mencoder_t)
		fs_dontaudit_manage_nfs_files($1_mencoder_t)
	')

	tunable_policy(`write_untrusted_content && use_samba_home_dirs',`
		files_search_home($1_mencoder_t)

		fs_search_auto_mountpoints($1_mencoder_t)
		fs_manage_cifs_dirs($1_mencoder_t)
		fs_manage_cifs_files($1_mencoder_t)
		fs_manage_cifs_symlinks($1_mencoder_t)
	',`
		fs_dontaudit_list_auto_mountpoints($1_mencoder_t)
		fs_dontaudit_manage_cifs_dirs($1_mencoder_t)
		fs_dontaudit_manage_cifs_files($1_mencoder_t)
	')

	tunable_policy(`write_untrusted_content',`
		files_search_home($1_mencoder_t)
		files_tmp_filetrans($1_mencoder_t,$1_untrusted_content_tmp_t,file)
		files_tmp_filetrans($1_mencoder_t,$1_untrusted_content_tmp_t,dir)

		userdom_manage_user_untrusted_content_dirs($1,$1_mencoder_t)
		userdom_manage_user_untrusted_content_files($1,$1_mencoder_t)
	',`
		files_dontaudit_list_home($1_mencoder_t)
		files_dontaudit_list_tmp($1_mencoder_t)

		userdom_dontaudit_list_user_home_dirs($1,$1_mencoder_t)
		userdom_dontaudit_manage_user_tmp_files($1,$1_mencoder_t)
		userdom_dontaudit_manage_user_home_content_dirs($1,$1_mencoder_t)
	')

	########################################
	#
	# mplayer local policy
	#

	allow $1_mplayer_t self:process { signal_perms getsched };
	allow $1_mplayer_t self:fifo_file rw_fifo_file_perms;
 	allow $1_mplayer_t self:sem create_sem_perms;

	manage_dirs_pattern($1_mplayer_t,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_files_pattern($1_mplayer_t,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_lnk_files_pattern($1_mplayer_t,$1_mplayer_home_t,$1_mplayer_home_t)
	userdom_search_user_home_dirs($1,$1_mplayer_t)

	manage_files_pattern($1_mplayer_t,$1_mplayer_tmpfs_t,$1_mplayer_tmpfs_t)
	manage_lnk_files_pattern($1_mplayer_t,$1_mplayer_tmpfs_t,$1_mplayer_tmpfs_t)
	manage_fifo_files_pattern($1_mplayer_t,$1_mplayer_tmpfs_t,$1_mplayer_tmpfs_t)
	manage_sock_files_pattern($1_mplayer_t,$1_mplayer_tmpfs_t,$1_mplayer_tmpfs_t)
	fs_tmpfs_filetrans($1_mplayer_t,$1_mplayer_tmpfs_t,{ dir file lnk_file sock_file fifo_file })

	# Read global config
	allow $1_mplayer_t mplayer_etc_t:dir list_dir_perms;
	read_files_pattern($1_mplayer_t,mplayer_etc_t,mplayer_etc_t)
	read_lnk_files_pattern($1_mplayer_t,mplayer_etc_t,mplayer_etc_t)

	# Home access
	manage_dirs_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_files_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
	manage_lnk_files_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
	relabel_dirs_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
	relabel_files_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
	relabel_lnk_files_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)

	# domain transition
	domtrans_pattern($2, mplayer_exec_t, $1_mplayer_t)

	# Allow the user domain to signal/ps.
	ps_process_pattern($2,$1_mplayer_t)
	allow $2 $1_mplayer_t:process signal_perms;

	kernel_dontaudit_list_unlabeled($1_mplayer_t)
	kernel_dontaudit_getattr_unlabeled_files($1_mplayer_t)
	kernel_dontaudit_read_unlabeled_files($1_mplayer_t)
	# Necessary for /proc/meminfo, /proc/cpuinfo, etc..
	kernel_read_system_state($1_mplayer_t)
	# Sysctl on kernel version 
	kernel_read_kernel_sysctls($1_mplayer_t)

	# Run bash/sed (??) 
	corecmd_exec_bin($1_mplayer_t)
	corecmd_exec_shell($1_mplayer_t)

	# Required for win32 binary loader 
	dev_rwx_zero($1_mplayer_t)
	# Access to DVD/CD/V4L
	dev_read_video_dev($1_mplayer_t)
	# Audio, alsa.conf
	dev_read_sound_mixer($1_mplayer_t)
	dev_write_sound_mixer($1_mplayer_t)
	# RTC clock 
	dev_read_realtime_clock($1_mplayer_t)

	# Access to DVD/CD/V4L
	storage_raw_read_removable_device($1_mplayer_t)

	files_read_etc_files($1_mplayer_t)
	files_dontaudit_list_non_security($1_mplayer_t)
	files_dontaudit_getattr_non_security_files($1_mplayer_t)
	files_read_non_security_files($1_mplayer_t)
	# Unfortunately the ancient file dialog starts in /
	files_list_home($1_mplayer_t)
	# Read /etc/mtab
	files_read_etc_runtime_files($1_mplayer_t)
	# Read data in /usr/share (fonts, icons..)
	files_read_usr_files($1_mplayer_t)
	files_read_usr_symlinks($1_mplayer_t)

	fs_dontaudit_getattr_all_fs($1_mplayer_t)
	fs_search_auto_mountpoints($1_mplayer_t)
	fs_list_inotifyfs($1_mplayer_t)

	libs_use_ld_so($1_mplayer_t)
	libs_use_shared_libs($1_mplayer_t)

	miscfiles_read_localization($1_mplayer_t)
	miscfiles_read_fonts($1_mplayer_t)

	userdom_use_user_terminals($1,$1_mplayer_t)
	# Read media files
	userdom_list_user_tmp($1,$1_mplayer_t)
	userdom_read_user_tmp_files($1,$1_mplayer_t)
	userdom_read_user_tmp_symlinks($1,$1_mplayer_t)
	userdom_read_user_home_content_files($1,$1_mplayer_t)
	userdom_read_user_home_content_symlinks($1,$1_mplayer_t)

	xserver_user_x_domain_template($1,$1_mplayer,$1_mplayer_t,$1_mplayer_tmpfs_t)
	
	# Read songs
	ifdef(`enable_mls',`',`
		fs_search_removable($1_mplayer_t)
		fs_read_removable_files($1_mplayer_t)
		fs_read_removable_symlinks($1_mplayer_t)
	')

	tunable_policy(`allow_execmem',`
		allow $1_mplayer_t self:process execmem;
	')

	tunable_policy(`allow_execmod',`
		dev_execmod_zero($1_mplayer_t)
	')

	tunable_policy(`allow_mplayer_execstack',`
		allow $1_mplayer_t self:process { execmem execstack };
	')

	tunable_policy(`use_nfs_home_dirs',`
		fs_manage_nfs_dirs($1_mplayer_t)
		fs_manage_nfs_files($1_mplayer_t)
		fs_manage_nfs_symlinks($1_mplayer_t)
	')
	tunable_policy(`use_samba_home_dirs',`
		fs_manage_cifs_dirs($1_mplayer_t)
		fs_manage_cifs_files($1_mplayer_t)
		fs_manage_cifs_symlinks($1_mplayer_t)
	')

	# Legacy domain issues
	tunable_policy(`allow_mplayer_execstack',`
		allow $1_mplayer_t $1_mplayer_tmpfs_t:file execute;
	')

	# Read songs
	tunable_policy(`use_nfs_home_dirs',`
		fs_list_auto_mountpoints($1_mplayer_t)
		files_list_home($1_mplayer_t)
		fs_read_nfs_files($1_mplayer_t)
		fs_read_nfs_symlinks($1_mplayer_t)
	
	',`
		files_dontaudit_list_home($1_mplayer_t)
		fs_dontaudit_list_auto_mountpoints($1_mplayer_t)
		fs_dontaudit_read_nfs_files($1_mplayer_t)
		fs_dontaudit_list_nfs($1_mplayer_t)
	')

	tunable_policy(`use_samba_home_dirs',`
		fs_list_auto_mountpoints($1_mplayer_t)
		files_list_home($1_mplayer_t)
		fs_read_cifs_files($1_mplayer_t)
		fs_read_cifs_symlinks($1_mplayer_t)
	',`
		files_dontaudit_list_home($1_mplayer_t)
		fs_dontaudit_list_auto_mountpoints($1_mplayer_t)
		fs_dontaudit_read_cifs_files($1_mplayer_t)
		fs_dontaudit_list_cifs($1_mplayer_t)
	')

	tunable_policy(`read_default_t',`
		files_list_default($1_mplayer_t)
		files_read_default_files($1_mplayer_t)
		files_read_default_symlinks($1_mplayer_t)
	',`
		files_dontaudit_read_default_files($1_mplayer_t)
		files_dontaudit_list_default($1_mplayer_t)
	')

	tunable_policy(`read_untrusted_content',`
		files_list_tmp($1_mplayer_t)
		files_list_home($1_mplayer_t)
	
		userdom_list_user_untrusted_content($1,$1_mplayer_t)
		userdom_read_user_untrusted_content_files($1,$1_mplayer_t)
		userdom_read_user_untrusted_content_symlinks($1,$1_mplayer_t)
		userdom_list_user_tmp_untrusted_content($1,$1_mplayer_t)
		userdom_read_user_tmp_untrusted_content_files($1,$1_mplayer_t)
		userdom_read_user_tmp_untrusted_content_symlinks($1,$1_mplayer_t)
	',`
		files_dontaudit_list_tmp($1_mplayer_t)
		files_dontaudit_list_home($1_mplayer_t)
		userdom_dontaudit_list_user_home_dirs($1,$1_mplayer_t)
		userdom_dontaudit_list_user_untrusted_content($1,$1_mplayer_t)
		userdom_dontaudit_read_user_untrusted_content_files($1,$1_mplayer_t)
		userdom_dontaudit_list_user_tmp_untrusted_content($1,$1_mplayer_t)
		userdom_dontaudit_read_user_tmp_untrusted_content_files($1,$1_mplayer_t)
	')

	optional_policy(`
		alsa_read_rw_config($1_mplayer_t)
	')

	optional_policy(`
		nscd_socket_use($1_mplayer_t)
	')
')

########################################
## <summary>
##	Run mplayer in mplayer domain.
## </summary>
## <desc>
##	<p>
##	Run mplayer in mplayer domain.
##	</p>
##	<p>
##	This is a templated interface, and should only
##	be called from a per-userdomain template.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the user domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
template(`mplayer_domtrans_user_mplayer',`
	gen_require(`
		type $1_mplayer_t, mplayer_exec_t;
	')

	domtrans_pattern($2, mplayer_exec_t,$1_mplayer_t)
')

########################################
## <summary>
##	Read mplayer per user homedir
## </summary>
## <desc>
##	<p>
##	Read mplayer per user homedir
##	</p>
##	<p>
##	This is a templated interface, and should only
##	be called from a per-userdomain template.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the user domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
template(`mplayer_read_user_home_files',`
	gen_require(`
		type $1_mplayer_home_t;
	')

	read_files_pattern($2,$1_mplayer_home_t,$1_mplayer_home_t)
')