selinux-policy/policy/modules/services/razor.if

## <summary>A distributed, collaborative, spam detection and filtering network.</summary>
## <desc>
##	<p>
##	A distributed, collaborative, spam detection and filtering network.
##	</p>
##	<p>
##	This policy will work with either the ATrpms provided config
##	file in /etc/razor, or with the default of dumping everything into
##	$HOME/.razor.
##	</p>
## </desc>

#######################################
## <summary>
##	Template to create types and rules common to
##	all razor domains.
## </summary>
## <param name="prefix">
##	<summary>
##	The prefix of the domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
#
template(`razor_common_domain_template',`
	gen_require(`
		type razor_exec_t, razor_etc_t, razor_log_t, razor_var_lib_t;
	')

	allow $1_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
	allow $1_t self:fd use;
	allow $1_t self:fifo_file rw_fifo_file_perms;
	allow $1_t self:unix_dgram_socket create_socket_perms;
	allow $1_t self:unix_stream_socket create_stream_socket_perms;
	allow $1_t self:unix_dgram_socket sendto;
	allow $1_t self:unix_stream_socket connectto;
	allow $1_t self:shm create_shm_perms;
	allow $1_t self:sem create_sem_perms;
	allow $1_t self:msgq create_msgq_perms;
	allow $1_t self:msg { send receive };
	allow $1_t self:tcp_socket create_socket_perms;

	# Read system config file
	allow $1_t razor_etc_t:dir list_dir_perms;
	allow $1_t razor_etc_t:file read_file_perms;
	allow $1_t razor_etc_t:lnk_file { getattr read };

	manage_dirs_pattern($1_t, razor_log_t, razor_log_t)
	manage_files_pattern($1_t, razor_log_t, razor_log_t)
	manage_lnk_files_pattern($1_t, razor_log_t, razor_log_t)
	logging_log_filetrans($1_t, razor_log_t, file)

	manage_dirs_pattern($1_t, razor_var_lib_t, razor_var_lib_t)
	manage_files_pattern($1_t, razor_var_lib_t, razor_var_lib_t)
	manage_lnk_files_pattern($1_t, razor_var_lib_t, razor_var_lib_t)
	files_search_var_lib($1_t)

	# Razor is one executable and several symlinks
	allow $1_t razor_exec_t:file read_file_perms;
	allow $1_t razor_exec_t:lnk_file read_lnk_file_perms;

	kernel_read_system_state($1_t)
	kernel_read_network_state($1_t)
	kernel_read_software_raid_state($1_t)
	kernel_getattr_core_if($1_t)
	kernel_getattr_message_if($1_t)
	kernel_read_kernel_sysctls($1_t)

	corecmd_exec_bin($1_t)

	corenet_all_recvfrom_unlabeled($1_t)
	corenet_all_recvfrom_netlabel($1_t)
	corenet_tcp_sendrecv_generic_if($1_t)
	corenet_raw_sendrecv_generic_if($1_t)
	corenet_tcp_sendrecv_all_nodes($1_t)
	corenet_raw_sendrecv_all_nodes($1_t)
	corenet_tcp_sendrecv_razor_port($1_t)

	# mktemp and other randoms
	dev_read_rand($1_t)
	dev_read_urand($1_t)

	files_search_pids($1_t)
	# Allow access to various files in the /etc/directory including mtab
	# and nsswitch
	files_read_etc_files($1_t)
	files_read_etc_runtime_files($1_t)

	fs_search_auto_mountpoints($1_t)

	libs_read_lib_files($1_t)

	miscfiles_read_localization($1_t)

	sysnet_read_config($1_t)
	sysnet_dns_name_resolve($1_t)

	userdom_use_unpriv_users_fds($1_t)

	optional_policy(`
		nis_use_ypbind($1_t)
	')
')

#######################################
## <summary>
##	The per role template for the razor module.
## </summary>
## <desc>
##	<p>
##	The per role template for the razor module.
##	</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(`razor_per_role_template',`
	gen_require(`
		type razor_exec_t;
	')

	type $1_razor_t;
	domain_type($1_razor_t)
	domain_entry_file($1_razor_t, razor_exec_t)
	razor_common_domain_template($1_razor)
	role $3 types $1_razor_t;

	type $1_razor_home_t alias $1_razor_rw_t;
	files_poly_member($1_razor_home_t)
	userdom_user_home_content($1, $1_razor_home_t)

	type $1_razor_tmp_t;
	files_tmp_file($1_razor_tmp_t)

	##############################
	#
	# Local policy
	#

	allow $1_razor_t self:unix_stream_socket create_stream_socket_perms;

	manage_dirs_pattern($1_razor_t, $1_razor_home_t, $1_razor_home_t)
	manage_files_pattern($1_razor_t, $1_razor_home_t, $1_razor_home_t)
	manage_lnk_files_pattern($1_razor_t, $1_razor_home_t, $1_razor_home_t)
	userdom_user_home_dir_filetrans($1, $1_razor_t, $1_razor_home_t, dir)

	manage_dirs_pattern($1_razor_t, $1_razor_tmp_t, $1_razor_tmp_t)
	manage_files_pattern($1_razor_t, $1_razor_tmp_t, $1_razor_tmp_t)
	files_tmp_filetrans($1_razor_t, $1_razor_tmp_t, { file dir })

	domtrans_pattern($2, razor_exec_t, $1_razor_t)

	manage_dirs_pattern($2, $1_razor_home_t, $1_razor_home_t)
	manage_files_pattern($2, $1_razor_home_t, $1_razor_home_t)
	manage_lnk_files_pattern($2, $1_razor_home_t, $1_razor_home_t)
	relabel_dirs_pattern($2, $1_razor_home_t, $1_razor_home_t)
	relabel_files_pattern($2, $1_razor_home_t, $1_razor_home_t)
	relabel_lnk_files_pattern($2, $1_razor_home_t, $1_razor_home_t)

	logging_send_syslog_msg($1_razor_t)

	userdom_search_user_home_dirs($1, $1_razor_t)
	# Allow razor to be run by hand.  Needed by any action other than
	# invocation from a spam filter.
	userdom_use_user_terminals($1, $1_razor_t)

	tunable_policy(`use_nfs_home_dirs',`
		fs_manage_nfs_dirs($1_razor_t)
		fs_manage_nfs_files($1_razor_t)
		fs_manage_nfs_symlinks($1_razor_t)
	')

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

	optional_policy(`
		nscd_socket_use($1_razor_t)
	')
')

########################################
## <summary>
##	Execute razor in the system razor domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`razor_domtrans',`
	gen_require(`
		type razor_t, razor_exec_t;
	')

	domtrans_pattern($1, razor_exec_t, razor_t)
')