## <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;
	')

	type $1_t;
	domain_type($1_t)
	domain_entry_file($1_t, razor_exec_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 read_lnk_file_perms;

	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_generic_node($1_t)
	corenet_raw_sendrecv_generic_node($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)

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

########################################
## <summary>
##	Role access for razor
## </summary>
## <param name="role">
##	<summary>
##	Role allowed access
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	User domain for the role
##	</summary>
## </param>
## <rolecap/>
#
interface(`razor_role',`
	gen_require(`
		type razor_t, razor_exec_t, razor_home_t;
	')

	role $1 types razor_t;

	# Transition from the user domain to the derived domain.
	domtrans_pattern($2, razor_exec_t, razor_t)

	# allow ps to show razor and allow the user to kill it 
	ps_process_pattern($2, razor_t)
	allow $2 razor_t:process { ptrace signal_perms };

	manage_dirs_pattern($2, razor_home_t, razor_home_t)
	manage_files_pattern($2, razor_home_t, razor_home_t)
	manage_lnk_files_pattern($2, razor_home_t, razor_home_t)
	relabel_dirs_pattern($2, razor_home_t, razor_home_t)
	relabel_files_pattern($2, razor_home_t, razor_home_t)
	relabel_lnk_files_pattern($2, razor_home_t, razor_home_t)
')

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

	domtrans_pattern($1, razor_exec_t, razor_t)
')

########################################
## <summary>
##	Create, read, write, and delete razor files
##	in a user home subdirectory.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`razor_manage_user_home_files',`
	gen_require(`
		type razor_home_t;
	')

	userdom_search_user_home_dirs($1)
	manage_files_pattern($1, razor_home_t, razor_home_t)
	read_lnk_files_pattern($1, razor_home_t, razor_home_t)
')

########################################
## <summary>
##	read razor lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`razor_read_lib_files',`
	gen_require(`
		type razor_var_lib_t;
	')

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