policy_module(xen,1.0.3)

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

# console ptys
type xen_devpts_t;
term_pty(xen_devpts_t);
files_type(xen_devpts_t);

type xend_t;
type xend_exec_t;
domain_type(xend_t)
init_daemon_domain(xend_t, xend_exec_t)

# var/lib files
type xend_var_lib_t;
files_type(xend_var_lib_t)
# for mounting an NFS store
files_mountpoint(xend_var_lib_t)

# log files
type xend_var_log_t;
logging_log_file(xend_var_log_t)

# pid files
type xend_var_run_t;
files_pid_file(xend_var_run_t)

type xenstored_t;
type xenstored_exec_t;
domain_type(xenstored_t)
domain_entry_file(xenstored_t,xenstored_exec_t)
role system_r types xenstored_t;

# var/lib files
type xenstored_var_lib_t;
files_type(xenstored_var_lib_t)

# pid files
type xenstored_var_run_t;
files_pid_file(xenstored_var_run_t)

type xenconsoled_t;
type xenconsoled_exec_t;
domain_type(xenconsoled_t)
domain_entry_file(xenconsoled_t,xenconsoled_exec_t)
role system_r types xenconsoled_t;

# pid files
type xenconsoled_var_run_t;
files_pid_file(xenconsoled_var_run_t)

type xm_t;
type xm_exec_t;
domain_type(xm_t)
init_daemon_domain(xm_t, xm_exec_t)

########################################
#
# xend local policy
#

allow xend_t self:capability { dac_override ipc_lock net_admin setuid sys_nice sys_tty_config };
allow xend_t self:process { signal sigkill };
# internal communication is often done using fifo and unix sockets.
allow xend_t self:fifo_file rw_file_perms;
allow xend_t self:unix_stream_socket create_stream_socket_perms;
allow xend_t self:unix_dgram_socket create_socket_perms;
allow xend_t self:netlink_route_socket r_netlink_socket_perms;
allow xend_t self:tcp_socket create_stream_socket_perms;
allow xend_t self:packet_socket create_socket_perms;

# pid file
allow xend_t xend_var_run_t:file manage_file_perms;
allow xend_t xend_var_run_t:sock_file manage_file_perms;
allow xend_t xend_var_run_t:dir rw_dir_perms;
files_pid_filetrans(xend_t,xend_var_run_t, { file sock_file })

# log files
allow xend_t xend_var_log_t:file create_file_perms;
allow xend_t xend_var_log_t:sock_file create_file_perms;
allow xend_t xend_var_log_t:dir { rw_dir_perms setattr };
logging_log_filetrans(xend_t,xend_var_log_t,{ sock_file file dir })

# var/lib files for xend
allow xend_t xend_var_lib_t:file create_file_perms;
allow xend_t xend_var_lib_t:sock_file create_file_perms;
allow xend_t xend_var_lib_t:dir create_dir_perms;
files_var_lib_filetrans(xend_t,xend_var_lib_t,{ file dir sock_file })

# transition to store
domain_auto_trans(xend_t, xenstored_exec_t, xenstored_t)
allow xenstored_t xend_t:fd use;
allow xenstored_t xend_t:process sigchld;
allow xenstored_t xend_t:fifo_file write;

# transition to console
domain_auto_trans(xend_t, xenconsoled_exec_t, xenconsoled_t)
allow xenconsoled_t xend_t:fd use;

kernel_read_kernel_sysctls(xend_t)
kernel_read_system_state(xend_t)
kernel_write_xen_state(xend_t)
kernel_read_xen_state(xend_t)
kernel_rw_net_sysctls(xend_t)
kernel_read_network_state(xend_t)

corecmd_exec_sbin(xend_t)
corecmd_exec_bin(xend_t)
corecmd_exec_shell(xend_t)

corenet_tcp_sendrecv_all_if(xend_t)
corenet_tcp_sendrecv_all_nodes(xend_t)
corenet_tcp_sendrecv_all_ports(xend_t)
corenet_non_ipsec_sendrecv(xend_t)
corenet_tcp_bind_xen_port(xend_t)
corenet_tcp_bind_soundd_port(xend_t)

dev_read_urand(xend_t)
dev_manage_xen(xend_t)
dev_filetrans_xen(xend_t)
dev_rw_sysfs(xend_t)

domain_read_all_domains_state(xend_t)
domain_dontaudit_read_all_domains_state(xend_t)

files_read_etc_files(xend_t)
files_read_kernel_symbol_table(xend_t)
files_read_kernel_img(xend_t)

storage_raw_read_fixed_disk(xend_t)

term_dontaudit_getattr_all_user_ptys(xend_t)
term_dontaudit_use_generic_ptys(xend_t)

init_use_fds(xend_t)

libs_use_ld_so(xend_t)
libs_use_shared_libs(xend_t)

logging_send_syslog_msg(xend_t)

miscfiles_read_localization(xend_t)

sysnet_domtrans_dhcpc(xend_t)
sysnet_signal_dhcpc(xend_t)
sysnet_domtrans_ifconfig(xend_t)
sysnet_dns_name_resolve(xend_t)
sysnet_delete_dhcpc_pid(xend_t)
sysnet_read_dhcpc_pid(xend_t)

consoletype_exec(xend_t)

xen_stream_connect_xenstore(xend_t)

########################################
#
# Xen console local policy
#

allow xenconsoled_t self:capability { dac_override fsetid ipc_lock };
allow xenconsoled_t self:unix_stream_socket create_stream_socket_perms;
allow xenconsoled_t self:fifo_file { read write };

allow xenconsoled_t xen_devpts_t:chr_file rw_term_perms;

# pid file
allow xenconsoled_t xenconsoled_var_run_t:file manage_file_perms;
allow xenconsoled_t xenconsoled_var_run_t:sock_file manage_file_perms;
allow xenconsoled_t xenconsoled_var_run_t:dir rw_dir_perms;
files_pid_filetrans(xenconsoled_t,xenconsoled_var_run_t, { file sock_file })

kernel_read_kernel_sysctls(xenconsoled_t)
kernel_write_xen_state(xenconsoled_t)
kernel_read_xen_state(xenconsoled_t)

term_create_pty(xenconsoled_t,xen_devpts_t);
term_dontaudit_use_generic_ptys(xenconsoled_t)

init_use_fds(xenconsoled_t)

libs_use_ld_so(xenconsoled_t)
libs_use_shared_libs(xenconsoled_t)

miscfiles_read_localization(xenconsoled_t)

xen_append_log(xenconsoled_t)
xen_stream_connect_xenstore(xenconsoled_t)

########################################
#
# Xen store local policy
#

allow xenstored_t self:capability { dac_override mknod ipc_lock };
allow xenstored_t self:unix_stream_socket create_stream_socket_perms;

# pid file
allow xenstored_t xenstored_var_run_t:file manage_file_perms;
allow xenstored_t xenstored_var_run_t:sock_file manage_file_perms;
allow xenstored_t xenstored_var_run_t:dir rw_dir_perms;
files_pid_filetrans(xenstored_t,xenstored_var_run_t, { file sock_file })

# var/lib files for xenstored
allow xenstored_t xenstored_var_lib_t:file create_file_perms;
allow xenstored_t xenstored_var_lib_t:sock_file create_file_perms;
allow xenstored_t xenstored_var_lib_t:dir create_dir_perms;
files_var_lib_filetrans(xenstored_t,xenstored_var_lib_t,{ file dir sock_file })

kernel_write_xen_state(xenstored_t)
kernel_read_xen_state(xenstored_t)

dev_create_generic_dirs(xenstored_t)
dev_manage_xen(xenconsoled_t)
dev_filetrans_xen(xenstored_t)
dev_rw_xen(xenstored_t)

term_dontaudit_use_generic_ptys(xenstored_t)

init_use_fds(xenstored_t)

libs_use_ld_so(xenstored_t)
libs_use_shared_libs(xenstored_t)

miscfiles_read_localization(xenstored_t)

xen_append_log(xenstored_t)

########################################
#
# xm local policy
#

allow xm_t self:capability dac_override;
# internal communication is often done using fifo and unix sockets.
allow xm_t self:fifo_file { read write };
allow xm_t self:unix_stream_socket create_stream_socket_perms;

kernel_read_system_state(xm_t)
kernel_read_kernel_sysctls(xm_t)
kernel_read_xen_state(xm_t)
kernel_write_xen_state(xm_t)

corecmd_exec_bin(xm_t)
corecmd_exec_sbin(xm_t)

dev_read_urand(xm_t)

# Some common macros (you might be able to remove some)
files_read_etc_files(xm_t)

term_use_all_terms(xm_t)

libs_use_ld_so(xm_t)
libs_use_shared_libs(xm_t)

miscfiles_read_localization(xm_t)

xen_append_log(xm_t)
xen_stream_connect(xm_t)
xen_stream_connect_xenstore(xm_t)