selinux-refpolicy/policy/modules/services/rpc.if

## <summary>Remote Procedure Call Daemon.</summary>

########################################
## <summary>
##	RPC stub interface.  No access allowed.
## </summary>
## <param name="domain" unused="true">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_stub',`
	gen_require(`
		type exports_t;
	')
')

#######################################
## <summary>
##	The template to define a rpc domain.
## </summary>
## <param name="domain_prefix">
##	<summary>
##	Domain prefix to be used.
##	</summary>
## </param>
#
template(`rpc_domain_template',`
	gen_require(`
		attribute rpc_domain;
	')

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

	type $1_t, rpc_domain;
	type $1_exec_t;
	init_daemon_domain($1_t, $1_exec_t)

	domain_use_interactive_fds($1_t)

	########################################
	#
	# Policy
	#

	auth_use_nsswitch($1_t)
')

########################################
## <summary>
##	Do not audit attempts to get
##	attributes of export files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`rpc_dontaudit_getattr_exports',`
	gen_require(`
		type exports_t;
	')

	dontaudit $1 exports_t:file getattr;
')

########################################
## <summary>
##	Read export files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_read_exports',`
	gen_require(`
		type exports_t;
	')

	allow $1 exports_t:file read_file_perms;
')

########################################
## <summary>
##	Write export files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_write_exports',`
	gen_require(`
		type exports_t;
	')

	allow $1 exports_t:file write;
')

########################################
## <summary>
##	Execute nfsd in the nfsd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`rpc_domtrans_nfsd',`
	gen_require(`
		type nfsd_t, nfsd_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, nfsd_exec_t, nfsd_t)
')

#######################################
## <summary>
##	Execute nfsd init scripts in
##	the initrc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`rpc_initrc_domtrans_nfsd',`
	gen_require(`
		type nfsd_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, nfsd_initrc_exec_t)
')

########################################
## <summary>
##	Execute rpcd in the rpcd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`rpc_domtrans_rpcd',`
	gen_require(`
		type rpcd_t, rpcd_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, rpcd_exec_t, rpcd_t)
')

#######################################
## <summary>
##	Execute rpcd init scripts in
##	the initrc domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`rpc_initrc_domtrans_rpcd',`
	gen_require(`
		type rpcd_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, rpcd_initrc_exec_t)
')

########################################
## <summary>
##	Read nfs exported content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`rpc_read_nfs_content',`
	gen_require(`
		type nfsd_ro_t, nfsd_rw_t;
	')

	allow $1 { nfsd_ro_t nfsd_rw_t }:dir list_dir_perms;
	allow $1 { nfsd_ro_t nfsd_rw_t }:file read_file_perms;
	allow $1 { nfsd_ro_t nfsd_rw_t }:lnk_file read_lnk_file_perms;
')

########################################
## <summary>
##	Create, read, write, and delete
##	nfs exported read write content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`rpc_manage_nfs_rw_content',`
	gen_require(`
		type nfsd_rw_t;
	')

	manage_dirs_pattern($1, nfsd_rw_t, nfsd_rw_t)
	manage_files_pattern($1, nfsd_rw_t, nfsd_rw_t)
	manage_lnk_files_pattern($1, nfsd_rw_t, nfsd_rw_t)
')

########################################
## <summary>
##	Create, read, write, and delete
##	nfs exported read only content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`rpc_manage_nfs_ro_content',`
	gen_require(`
		type nfsd_ro_t;
	')

	manage_dirs_pattern($1, nfsd_ro_t, nfsd_ro_t)
	manage_files_pattern($1, nfsd_ro_t, nfsd_ro_t)
	manage_lnk_files_pattern($1, nfsd_ro_t, nfsd_ro_t)
')

########################################
## <summary>
##	Read and write to nfsd tcp sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_tcp_rw_nfs_sockets',`
	gen_require(`
		type nfsd_t;
	')

	allow $1 nfsd_t:tcp_socket rw_socket_perms;
')

########################################
## <summary>
##	Read and write to nfsd udp sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_udp_rw_nfs_sockets',`
	gen_require(`
		type nfsd_t;
	')

	allow $1 nfsd_t:udp_socket rw_socket_perms;
')

########################################
## <summary>
##	Search nfs lib directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_search_nfs_state_data',`
	gen_require(`
		type var_lib_nfs_t;
	')

	files_search_var_lib($1)
	allow $1 var_lib_nfs_t:dir search;
')

########################################
## <summary>
##	Read nfs lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_read_nfs_state_data',`
	gen_require(`
		type var_lib_nfs_t;
	')

	files_search_var_lib($1)
	read_files_pattern($1, var_lib_nfs_t, var_lib_nfs_t)
')

########################################
## <summary>
##	Create, read, write, and delete
##	nfs lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`rpc_manage_nfs_state_data',`
	gen_require(`
		type var_lib_nfs_t;
	')

	files_search_var_lib($1)
	manage_files_pattern($1, var_lib_nfs_t, var_lib_nfs_t)
')

########################################
## <summary>
##	All of the rules required to
##	administrate an rpc environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`rpc_admin',`
	gen_require(`
		attribute rpc_domain;
		type nfsd_initrc_exec_t, rpcd_initrc_exec_t, exports_t;
		type var_lib_nfs_t, rpcd_runtime_t, gssd_tmp_t;
		type nfsd_ro_t, nfsd_rw_t, gssd_keytab_t;
		type nfsd_t, rpcd_t;
	')

	allow $1 rpc_domain:process { ptrace signal_perms };
	ps_process_pattern($1, rpc_domain)

	init_startstop_service($1, $2, nfsd_t, nfsd_initrc_exec_t)
	init_startstop_service($1, $2, rpcd_t, rpcd_initrc_exec_t)

	files_list_etc($1)
	admin_pattern($1, { gssd_keytab_t exports_t })

	files_list_var_lib($1)
	admin_pattern($1, var_lib_nfs_t)

	files_list_runtime($1)
	admin_pattern($1, rpcd_runtime_t)

	files_list_all($1)
	admin_pattern($1, { nfsd_ro_t nfsd_rw_t })

	files_list_tmp($1)
	admin_pattern($1, gssd_tmp_t)

	fs_search_nfsd_fs($1)
')