selinux-policy/policy/modules/system/xen.if

## <summary>Xen hypervisor</summary>

########################################
## <summary>
##	Execute a domain transition to run xend.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed to transition.
## 	</summary>
## </param>
#
interface(`xen_domtrans',`
	gen_require(`
		type xend_t, xend_exec_t;
	')

	domtrans_pattern($1, xend_exec_t, xend_t)
')

########################################
## <summary>
##	Inherit and use xen file descriptors.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`xen_use_fds',`
	gen_require(`
		type xend_t;
	')

	allow $1 xend_t:fd use;
')

########################################
## <summary>
##	Do not audit attempts to inherit
##	xen file descriptors.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`xen_dontaudit_use_fds',`
	gen_require(`
		type xend_t;
	')

	dontaudit $1 xend_t:fd use;
')

########################################
## <summary>
##	Read xend image files.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed access.
## 	</summary>
## </param>
#
interface(`xen_read_image_files',`
	gen_require(`
		type xen_image_t, xend_var_lib_t;
	')

	files_list_var_lib($1)

	list_dirs_pattern($1, xend_var_lib_t, xend_var_lib_t)
	read_files_pattern($1, { xend_var_lib_t xen_image_t }, xen_image_t)
')

########################################
## <summary>
##	Allow the specified domain to read/write
##	xend image files.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed access.
## 	</summary>
## </param>
#
interface(`xen_rw_image_files',`
	gen_require(`
		type xen_image_t, xend_var_lib_t;
	')

	files_list_var_lib($1)
	allow $1 xend_var_lib_t:dir search_dir_perms;
	rw_files_pattern($1, xen_image_t, xen_image_t)
')

########################################
## <summary>
##	Allow the specified domain to append
##	xend log files.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed access.
## 	</summary>
## </param>
#
interface(`xen_append_log',`
	gen_require(`
		type xend_var_log_t;
	')

	logging_search_logs($1)
	append_files_pattern($1, xend_var_log_t, xend_var_log_t)
	dontaudit $1 xend_var_log_t:file write;
')

########################################
## <summary>
##	Create, read, write, and delete the
##	xend log files.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed access.
## 	</summary>
## </param>
#
interface(`xen_manage_log',`
	gen_require(`
		type xend_var_log_t;
	')

	logging_search_logs($1)
	manage_dirs_pattern($1, xend_var_log_t, xend_var_log_t)
	manage_files_pattern($1, xend_var_log_t, xend_var_log_t)
')

########################################
## <summary>
##	Do not audit attempts to read and write
##	Xen unix domain stream sockets.  These
##	are leaked file descriptors.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`xen_dontaudit_rw_unix_stream_sockets',`
	gen_require(`
		type xend_t;
	')

	dontaudit $1 xend_t:unix_stream_socket { read write };
')

########################################
## <summary>
##	Connect to xenstored over an unix stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`xen_stream_connect_xenstore',`
	gen_require(`
		type xenstored_t, xenstored_var_run_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, xenstored_var_run_t, xenstored_var_run_t, xenstored_t)
')

########################################
## <summary>
##	Connect to xend over an unix domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`xen_stream_connect',`
	gen_require(`
		type xend_t, xend_var_run_t, xend_var_lib_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, xend_var_run_t, xend_var_run_t, xend_t)

	files_search_var_lib($1)
	stream_connect_pattern($1, xend_var_lib_t, xend_var_lib_t, xend_t)
')

########################################
## <summary>
##	Execute a domain transition to run xm.
## </summary>
## <param name="domain">
## <summary>
##	Domain allowed to transition.
## </summary>
## </param>
#
interface(`xen_domtrans_xm',`
	gen_require(`
		type xm_t, xm_exec_t;
	')

	domtrans_pattern($1, xm_exec_t, xm_t)
')

########################################
## <summary>
##	Connect to xm over an unix stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`xen_stream_connect_xm',`
	gen_require(`
		type xm_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, xenstored_var_run_t, xenstored_var_run_t, xm_t)
')