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

## <summary>Simple network management protocol services.</summary>

########################################
## <summary>
##	Connect to snmpd with a unix
##	domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`snmp_stream_connect',`
	gen_require(`
		type snmpd_t, snmpd_var_lib_t;
	')

	files_search_var_lib($1)
	stream_connect_pattern($1, snmpd_var_lib_t, snmpd_var_lib_t, snmpd_t)
')

########################################
## <summary>
##	Connect to snmp over the TCP network.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`snmp_tcp_connect',`
	gen_require(`
		type snmpd_t;
	')

	corenet_tcp_recvfrom_labeled($1, snmpd_t)
	corenet_tcp_connect_snmp_port($1)
	corenet_sendrecv_snmp_client_packets($1)
')

########################################
## <summary>
##	Create, read, write, and delete
##	snmp lib directories.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`snmp_manage_var_lib_dirs',`
	gen_require(`
		type snmpd_var_lib_t;
	')

	files_search_var_lib($1)
	allow $1 snmpd_var_lib_t:dir manage_dir_perms;
')

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

	files_search_var_lib($1)
	allow $1 snmpd_var_lib_t:dir list_dir_perms;
	manage_files_pattern($1, snmpd_var_lib_t, snmpd_var_lib_t)
')

########################################
## <summary>
##	Read snmpd lib content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`snmp_read_snmp_var_lib_files',`
	gen_require(`
		type snmpd_var_lib_t;
	')

	allow $1 snmpd_var_lib_t:dir list_dir_perms;
	read_files_pattern($1, snmpd_var_lib_t, snmpd_var_lib_t)
	read_lnk_files_pattern($1, snmpd_var_lib_t, snmpd_var_lib_t)
')

########################################
## <summary>
##	Do not audit attempts to read
##	snmpd lib content.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`snmp_dontaudit_read_snmp_var_lib_files',`
	gen_require(`
		type snmpd_var_lib_t;
	')

	dontaudit $1 snmpd_var_lib_t:dir list_dir_perms;
	dontaudit $1 snmpd_var_lib_t:file read_file_perms;
	dontaudit $1 snmpd_var_lib_t:lnk_file read_lnk_file_perms;
')

########################################
## <summary>
##	Do not audit attempts to write
##	snmpd lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`snmp_dontaudit_write_snmp_var_lib_files',`
	gen_require(`
		type snmpd_var_lib_t;
	')

	dontaudit $1 snmpd_var_lib_t:file write;
')

########################################
## <summary>
##	All of the rules required to
##	administrate an snmp environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`snmp_admin',`
	gen_require(`
		type snmpd_t, snmpd_log_t, snmpd_initrc_exec_t;
		type snmpd_var_lib_t, snmpd_runtime_t;
	')

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

	init_startstop_service($1, $2, snmpd_t, snmpd_initrc_exec_t)

	logging_list_logs($1)
	admin_pattern($1, snmpd_log_t)

	files_list_var_lib($1)
	admin_pattern($1, snmpd_var_lib_t)

	files_list_runtime($1)
	admin_pattern($1, snmpd_runtime_t)
')