selinux-policy/refpolicy/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_requires(`
		type xend_t, xend_exec_t;
	')

	domain_auto_trans($1,xend_exec_t,xend_t)

	allow $1 xend_t:fd use;
	allow xend_t $1:fd use;
	allow xend_t $1:fifo_file rw_file_perms;
	allow xend_t $1:process sigchld;
')


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

	logging_search_logs($1)
	allow $1 xend_var_log_t:file { getattr append };
	dontaudit $1 xend_var_log_t:file write;
')

########################################
## <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)
	allow $1 xenstored_var_run_t:dir search;
	allow $1 xenstored_var_run_t:sock_file { getattr write };
	allow $1 xenstored_t:unix_stream_socket connectto;
')

########################################
## <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;
	')

	files_search_pids($1)
	allow $1 xend_var_run_t:dir search;
	allow $1 xend_var_run_t:sock_file { getattr write };
	allow $1 xend_t:unix_stream_socket connectto;
')

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

	domain_auto_trans($1,xm_exec_t,xm_t)
	allow xm_t $1:fd use;
	allow xm_t:$1:fifo_file rw_file_perms;
	allow xm_t $1:process sigchld;
')