selinux-policy/policy/modules/apps/thunderbird.if

## <summary>Thunderbird email client</summary>

#######################################
## <summary>
##	The per user domain template for the thunderbird module.
## </summary>
## <desc>
##	<p>
##	This template creates a derived domain which is used
##	for the thunderbird email client.
##	</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(`thunderbird_per_userdomain_template',`

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

	type $1_thunderbird_t;
	domain_type($1_thunderbird_t)
	domain_entry_file($1_thunderbird_t,thunderbird_exec_t)
	role $3 types $1_thunderbird_t;

	type $1_thunderbird_home_t alias $1_thunderbird_rw_t;
	files_poly_member($1_thunderbird_home_t)

	type $1_thunderbird_tmpfs_t;
	files_tmpfs_file($1_thunderbird_tmpfs_t)
	
	########################################
	#
	# Local policy
	#

	allow $1_thunderbird_t self:capability sys_nice;
	allow $1_thunderbird_t self:process { signal_perms setsched getsched execheap execmem execstack };
	allow $1_thunderbird_t self:fifo_file { ioctl read write getattr };
	allow $1_thunderbird_t self:unix_dgram_socket { create connect };
	allow $1_thunderbird_t self:unix_stream_socket { create accept connect write getattr read listen bind };
	allow $1_thunderbird_t self:tcp_socket create_socket_perms;
	allow $1_thunderbird_t self:shm { read write create destroy unix_read unix_write };

	# Access ~/.thunderbird
	allow $1_thunderbird_t $1_thunderbird_home_t:dir manage_dir_perms;
	allow $1_thunderbird_t $1_thunderbird_home_t:file manage_file_perms;
	allow $1_thunderbird_t $1_thunderbird_home_t:lnk_file create_lnk_perms;
	userdom_search_user_home_dirs($1,$1_thunderbird_t)

	allow $1_thunderbird_t $1_thunderbird_tmpfs_t:dir rw_dir_perms;
	allow $1_thunderbird_t $1_thunderbird_tmpfs_t:file manage_file_perms;
	allow $1_thunderbird_t $1_thunderbird_tmpfs_t:lnk_file create_lnk_perms;
	allow $1_thunderbird_t $1_thunderbird_tmpfs_t:sock_file manage_file_perms;
	allow $1_thunderbird_t $1_thunderbird_tmpfs_t:fifo_file manage_file_perms;
	fs_tmpfs_filetrans($1_thunderbird_t,$1_thunderbird_tmpfs_t,{ dir file lnk_file sock_file fifo_file })

	allow $2 $1_thunderbird_t:fd use;
	allow $2 $1_thunderbird_t:shm { associate getattr };
	allow $2 $1_thunderbird_t:unix_stream_socket connectto;
	allow $1_thunderbird_t $2:fd use;
	allow $1_thunderbird_t $2:process sigchld;
	allow $1_thunderbird_t $2:unix_stream_socket connectto;

	# Allow the user domain to signal/ps.
	allow $2 $1_thunderbird_t:dir { search getattr read };
	allow $2 $1_thunderbird_t:{ file lnk_file } { read getattr };
	allow $2 $1_thunderbird_t:process getattr;

	# Access ~/.thunderbird
	allow $2 $1_thunderbird_home_t:dir manage_dir_perms;
	allow $2 $1_thunderbird_home_t:file manage_file_perms;
	allow $2 $1_thunderbird_home_t:lnk_file create_lnk_perms;
	allow $2 $1_thunderbird_home_t:{ dir file lnk_file } { relabelfrom relabelto };
	
	# Allow netstat
	kernel_read_network_state($1_thunderbird_t)
	
	corecmd_exec_shell($1_thunderbird_t)
	# Startup shellscript
	corecmd_exec_bin($1_thunderbird_t)

	corenet_non_ipsec_sendrecv($1_thunderbird_t)
	corenet_tcp_sendrecv_generic_if($1_thunderbird_t)
	corenet_tcp_sendrecv_all_nodes($1_thunderbird_t)
	corenet_tcp_sendrecv_ipp_port($1_thunderbird_t)
	corenet_tcp_sendrecv_ldap_port($1_thunderbird_t)
	corenet_tcp_sendrecv_innd_port($1_thunderbird_t)
	corenet_tcp_sendrecv_smtp_port($1_thunderbird_t)
	corenet_tcp_sendrecv_pop_port($1_thunderbird_t)
	corenet_tcp_sendrecv_http_port($1_thunderbird_t)
	corenet_tcp_connect_ipp_port($1_thunderbird_t)
	corenet_tcp_connect_ldap_port($1_thunderbird_t)
	corenet_tcp_connect_innd_port($1_thunderbird_t)
	corenet_tcp_connect_smtp_port($1_thunderbird_t)
	corenet_tcp_connect_pop_port($1_thunderbird_t)
	corenet_tcp_connect_http_port($1_thunderbird_t)
	corenet_sendrecv_ipp_client_packets($1_thunderbird_t)
	corenet_sendrecv_ldap_client_packets($1_thunderbird_t)
	corenet_sendrecv_innd_client_packets($1_thunderbird_t)
	corenet_sendrecv_smtp_client_packets($1_thunderbird_t)
	corenet_sendrecv_pop_client_packets($1_thunderbird_t)
	corenet_sendrecv_http_client_packets($1_thunderbird_t)

	files_list_tmp($1_thunderbird_t)
	files_read_usr_files($1_thunderbird_t)
	files_read_etc_files($1_thunderbird_t)

	fs_getattr_xattr_fs($1_thunderbird_t)
	# Access ~/.thunderbird
	fs_search_auto_mountpoints($1_thunderbird_t)
	
	libs_use_shared_libs($1_thunderbird_t)
	libs_use_ld_so($1_thunderbird_t)

	miscfiles_read_fonts($1_thunderbird_t)

	sysnet_read_config($1_thunderbird_t)
	# Allow DNS
	sysnet_dns_name_resolve($1_thunderbird_t)

	userdom_manage_user_tmp_dirs($1,$1_thunderbird_t)
	userdom_read_user_tmp_files($1,$1_thunderbird_t)
	userdom_write_user_tmp_sockets($1,$1_thunderbird_t)
	userdom_manage_user_tmp_sockets($1,$1_thunderbird_t)
	# .kde/....gtkrc
	userdom_read_user_home_content_files($1,$1_thunderbird_t)

	xserver_user_client_template($1,$1_thunderbird_t,$1_thunderbird_tmpfs_t)
	
	# Transition from user type
	tunable_policy(`! disable_thunderbird_trans',`
		domain_auto_trans($2, thunderbird_exec_t, $1_thunderbird_t)
	')

	# Access ~/.thunderbird
	tunable_policy(`use_nfs_home_dirs',`
		fs_manage_nfs_dirs($1_thunderbird_t)
		fs_manage_nfs_files($1_thunderbird_t)
		fs_manage_nfs_symlinks($1_thunderbird_t)
	')

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

	tunable_policy(`mail_read_content && use_nfs_home_dirs',`
		files_list_home($1_thunderbird_t)

		fs_list_auto_mountpoints($1_thunderbird_t)
		fs_read_nfs_files($1_thunderbird_t)
		fs_read_nfs_symlinks($1_thunderbird_t)
	',`
		files_dontaudit_list_home($1_thunderbird_t)

		fs_dontaudit_list_auto_mountpoints($1_thunderbird_t)
		fs_dontaudit_list_nfs($1_thunderbird_t)
		fs_dontaudit_read_nfs_files($1_thunderbird_t)
	')

	tunable_policy(`mail_read_content && use_samba_home_dirs',`
		files_list_home($1_thunderbird_t)

		fs_list_auto_mountpoints($1_thunderbird_t)
		fs_read_cifs_files($1_thunderbird_t)
		fs_read_cifs_symlinks($1_thunderbird_t)
	',`
		files_dontaudit_list_home($1_thunderbird_t)

		fs_dontaudit_list_auto_mountpoints($1_thunderbird_t)
		fs_dontaudit_read_cifs_files($1_thunderbird_t)
		fs_dontaudit_list_cifs($1_thunderbird_t)
	')
	
	tunable_policy(`mail_read_content',`
		userdom_list_user_tmp($1,$1_thunderbird_t)
		userdom_read_user_tmp_files($1,$1_thunderbird_t)
		userdom_read_user_tmp_symlinks($1,$1_thunderbird_t)
		userdom_search_user_home_dirs($1,$1_thunderbird_t)
		userdom_read_user_home_content_files($1,$1_thunderbird_t)
		userdom_read_user_home_content_symlinks($1,$1_thunderbird_t)
		
		ifndef(`enable_mls',`
			fs_search_removable($1_thunderbird_t)
			fs_read_removable_files($1_thunderbird_t)
			fs_read_removable_symlinks($1_thunderbird_t)
		')
	',`
		files_dontaudit_list_tmp($1_thunderbird_t)
		files_dontaudit_list_home($1_thunderbird_t)

		fs_dontaudit_list_removable($1_thunderbird_t)
		fs_dontaudit_read_removable_files($1_thunderbird_t)

		userdom_dontaudit_list_user_tmp($1,$1_thunderbird_t)
		userdom_dontaudit_read_user_tmp_files($1,$1_thunderbird_t)
		userdom_dontaudit_list_user_home_dirs($1,$1_thunderbird_t)
		userdom_dontaudit_read_user_home_content_files($1,$1_thunderbird_t)
	')
	
	tunable_policy(`mail_read_content && read_default_t',`
		files_list_default($1_thunderbird_t)
		files_read_default_files($1_thunderbird_t)
		files_read_default_symlinks($1_thunderbird_t)
	',`
		files_dontaudit_read_default_files($1_thunderbird_t)
		files_dontaudit_list_default($1_thunderbird_t)
	')
	
	tunable_policy(`mail_read_content && read_untrusted_content',`
		files_list_tmp($1_thunderbird_t)
		files_list_home($1_thunderbird_t)

		userdom_search_user_home_dirs($1,$1_thunderbird_t)
		userdom_list_user_untrusted_content($1,$1_thunderbird_t)
		userdom_read_user_untrusted_content_files($1,$1_thunderbird_t)
		userdom_read_user_untrusted_content_symlinks($1,$1_thunderbird_t)
		userdom_list_user_tmp_untrusted_content($1,$1_thunderbird_t)
		userdom_read_user_tmp_untrusted_content_files($1,$1_thunderbird_t)
		userdom_read_user_tmp_untrusted_content_symlinks($1,$1_thunderbird_t)
	',`
		files_dontaudit_list_tmp($1_thunderbird_t)
		files_dontaudit_list_home($1_thunderbird_t)

		userdom_dontaudit_list_user_home_dirs($1,$1_thunderbird_t)
		userdom_dontaudit_list_user_untrusted_content($1,$1_thunderbird_t)
		userdom_dontaudit_read_user_untrusted_content_files($1,$1_thunderbird_t)
		userdom_dontaudit_list_user_tmp_untrusted_content($1,$1_thunderbird_t)
		userdom_dontaudit_read_user_tmp_untrusted_content_files($1,$1_thunderbird_t)
	')

	# Manage nfs homedirs
	tunable_policy(`write_untrusted_content && use_nfs_home_dirs',`
		files_search_home($1_thunderbird_t)

		fs_search_auto_mountpoints($1_thunderbird_t)
		fs_manage_nfs_dirs($1_thunderbird_t)
		fs_manage_nfs_files($1_thunderbird_t)
		fs_manage_nfs_symlinks($1_thunderbird_t)
	',`
		fs_dontaudit_list_auto_mountpoints($1_thunderbird_t)
		fs_dontaudit_manage_nfs_dirs($1_thunderbird_t)
		fs_dontaudit_manage_nfs_files($1_thunderbird_t)
	')
	
	# Manage samba homedirs
	tunable_policy(`write_untrusted_content && use_samba_home_dirs',`
		files_search_home($1_thunderbird_t)

		fs_search_auto_mountpoints($1_thunderbird_t)
		fs_manage_cifs_dirs($1_thunderbird_t)
		fs_manage_cifs_files($1_thunderbird_t)
		fs_manage_cifs_symlinks($1_thunderbird_t)
	',`
		fs_dontaudit_list_auto_mountpoints($1_thunderbird_t)
		fs_dontaudit_manage_cifs_dirs($1_thunderbird_t)
		fs_dontaudit_manage_cifs_files($1_thunderbird_t)
	')
	
	# Manage /tmp and /home
	tunable_policy(`write_untrusted_content',`
		files_search_home($1_thunderbird_t)
		files_tmp_filetrans($1_thunderbird_t,$1_untrusted_content_tmp_t,file)
		files_tmp_filetrans($1_thunderbird_t,$1_untrusted_content_tmp_t,dir)

		userdom_manage_user_untrusted_content_files($1,$1_thunderbird_t,file)
		userdom_manage_user_untrusted_content_files($1,$1_thunderbird_t,dir)
	',`
		files_dontaudit_list_home($1_thunderbird_t)
		files_dontaudit_list_tmp($1_thunderbird_t)

		userdom_dontaudit_list_user_home_dirs($1,$1_thunderbird_t)
		userdom_dontaudit_manage_user_tmp_dirs($1,$1_thunderbird_t)
		userdom_dontaudit_manage_user_tmp_files($1,$1_thunderbird_t)
		userdom_dontaudit_manage_user_home_content_dirs($1,$1_thunderbird_t)
	')

	optional_policy(`
		dbus_system_bus_client_template($1_thunderbird,$1_thunderbird_t)
		dbus_user_bus_client_template($1,$1_thunderbird,$1_thunderbird_t)
		dbus_send_system_bus($1_thunderbird_t)
		dbus_send_user_bus($1,$1_thunderbird_t)
	')

	optional_policy(`
		lpd_domtrans_user_lpr($1,$1_thunderbird_t)
	')

	optional_policy(`
		cups_read_rw_config($1_thunderbird_t)
	')

	optional_policy(`
		gpg_domtrans_user_gpg($1,$1_thunderbird_t)
	')

	optional_policy(`
		nis_use_ypbind($1_thunderbird_t)
	')

	ifdef(`TODO',`
		# FIXME: Rules were removed to centralize policy in a gnome_app macro
		# A similar thing might be necessary for mozilla compiled without GNOME
		# support (is this possible?).

		# FIXME: Why does it try to do that?
		#dontaudit $1_thunderbird_t evolution_exec_t:file { getattr execute };

		# Why is thunderbird looking in .mozilla ?
		# FIXME: there are legitimate uses of invoking the browser - about -> release notes
		dontaudit $1_thunderbird_t $1_mozilla_home_t:dir search;

		# Start links in web browser
		ifdef(`mozilla.te', `
			can_exec($1_thunderbird_t, shell_exec_t)
			domain_auto_trans($1_thunderbird_t, mozilla_exec_t, $1_mozilla_t)
		')

		# GNOME support
		optional_policy(`
			gnome_application($1_thunderbird, $1)
			gnome_file_dialog($1_thunderbird, $1)
			allow $1_thunderbird_t $1_gnome_settings_t:file { read write };
		')
		optinal_policy(`dbus',`
			allow $1_t $2_dbusd_t:dbus send_msg;
			ifdef(`cups.te', `
				allow cupsd_t $1_t:dbus send_msg;
			')
		')

	')
')