policy/modules/services/nagios.te

   1
   2 policy_module(nagios, 1.9.0)
   3
   4 ########################################
   5 #
   6 # Declarations
   7 #
   8
   9 type nagios_t;
  10 type nagios_exec_t;
  11 init_daemon_domain(nagios_t, nagios_exec_t)
  12
  13 type nagios_etc_t;
  14 files_config_file(nagios_etc_t)
  15
  16 type nagios_initrc_exec_t;
  17 init_script_file(nagios_initrc_exec_t)
  18
  19 type nagios_log_t;
  20 logging_log_file(nagios_log_t)
  21
  22 type nagios_tmp_t;
  23 files_tmp_file(nagios_tmp_t)
  24
  25 type nagios_var_run_t;
  26 files_pid_file(nagios_var_run_t)
  27
  28 type nagios_spool_t;
  29 files_type(nagios_spool_t)
  30
  31 nagios_plugin_template(admin)
  32 nagios_plugin_template(checkdisk)
  33 nagios_plugin_template(mail)
  34 nagios_plugin_template(services)
  35 nagios_plugin_template(system)
  36 nagios_plugin_template(unconfined)
  37
  38 type nagios_system_plugin_tmp_t;
  39 files_tmp_file(nagios_system_plugin_tmp_t)
  40
  41 type nrpe_t;
  42 type nrpe_exec_t;
  43 init_daemon_domain(nrpe_t, nrpe_exec_t)
  44
  45 type nrpe_etc_t;
  46 files_config_file(nrpe_etc_t)
  47
  48 type nrpe_var_run_t;
  49 files_pid_file(nrpe_var_run_t)
  50
  51 ########################################
  52 #
  53 # Nagios local policy
  54 #
  55
  56 allow nagios_t self:capability { dac_override setgid setuid };
  57 dontaudit nagios_t self:capability sys_tty_config;
  58 allow nagios_t self:process { setpgid signal_perms };
  59 allow nagios_t self:fifo_file rw_file_perms;
  60 allow nagios_t self:tcp_socket create_stream_socket_perms;
  61 allow nagios_t self:udp_socket create_socket_perms;
  62
  63 read_files_pattern(nagios_t, nagios_etc_t, nagios_etc_t)
  64 read_lnk_files_pattern(nagios_t, nagios_etc_t, nagios_etc_t)
  65 allow nagios_t nagios_etc_t:dir list_dir_perms;
  66
  67 manage_files_pattern(nagios_t, nagios_log_t, nagios_log_t)
  68 manage_fifo_files_pattern(nagios_t, nagios_log_t, nagios_log_t)
  69 logging_log_filetrans(nagios_t, nagios_log_t, { file dir })
  70
  71 manage_dirs_pattern(nagios_t, nagios_tmp_t, nagios_tmp_t)
  72 manage_files_pattern(nagios_t, nagios_tmp_t, nagios_tmp_t)
  73 files_tmp_filetrans(nagios_t, nagios_tmp_t, { file dir })
  74
  75 manage_files_pattern(nagios_t, nagios_var_run_t, nagios_var_run_t)
  76 files_pid_filetrans(nagios_t, nagios_var_run_t, file)
  77
  78 manage_fifo_files_pattern(nagios_t, nagios_spool_t, nagios_spool_t)
  79 files_spool_filetrans(nagios_t, nagios_spool_t, fifo_file)
  80
  81 kernel_read_system_state(nagios_t)
  82 kernel_read_kernel_sysctls(nagios_t)
  83
  84 corecmd_exec_bin(nagios_t)
  85 corecmd_exec_shell(nagios_t)
  86
  87 corenet_all_recvfrom_unlabeled(nagios_t)
  88 corenet_all_recvfrom_netlabel(nagios_t)
  89 corenet_tcp_sendrecv_generic_if(nagios_t)
  90 corenet_udp_sendrecv_generic_if(nagios_t)
  91 corenet_tcp_sendrecv_generic_node(nagios_t)
  92 corenet_udp_sendrecv_generic_node(nagios_t)
  93 corenet_tcp_sendrecv_all_ports(nagios_t)
  94 corenet_udp_sendrecv_all_ports(nagios_t)
  95 corenet_tcp_connect_all_ports(nagios_t)
  96
  97 corenet_dontaudit_tcp_bind_all_reserved_ports(nagios_t)
  98 corenet_dontaudit_udp_bind_all_reserved_ports(nagios_t)
  99
 100 dev_read_sysfs(nagios_t)
 101 dev_read_urand(nagios_t)
 102
 103 domain_use_interactive_fds(nagios_t)
 104 # for ps
 105 domain_read_all_domains_state(nagios_t)
 106
 107 files_read_etc_files(nagios_t)
 108 files_read_etc_runtime_files(nagios_t)
 109 files_read_kernel_symbol_table(nagios_t)
 110 files_search_spool(nagios_t)
 111
 112 fs_getattr_all_fs(nagios_t)
 113 fs_search_auto_mountpoints(nagios_t)
 114
 115 # for who
 116 init_read_utmp(nagios_t)
 117
 118 auth_use_nsswitch(nagios_t)
 119
 120 logging_send_syslog_msg(nagios_t)
 121
 122 miscfiles_read_localization(nagios_t)
 123
 124 userdom_dontaudit_use_unpriv_user_fds(nagios_t)
 125 userdom_dontaudit_search_user_home_dirs(nagios_t)
 126
 127 mta_send_mail(nagios_t)
 128
 129 optional_policy(`
 130         netutils_domtrans_ping(nagios_t)
 131         netutils_signal_ping(nagios_t)
 132         netutils_kill_ping(nagios_t)
 133 ')
 134
 135 optional_policy(`
 136         seutil_sigchld_newrole(nagios_t)
 137 ')
 138
 139 optional_policy(`
 140         udev_read_db(nagios_t)
 141 ')
 142
 143 ########################################
 144 #
 145 # Nagios CGI local policy
 146 #
 147 optional_policy(`
 148         apache_content_template(nagios)
 149         typealias httpd_nagios_script_t alias nagios_cgi_t;
 150         typealias httpd_nagios_script_exec_t alias nagios_cgi_exec_t;
 151
 152         allow httpd_nagios_script_t self:process signal_perms;
 153
 154         read_files_pattern(httpd_nagios_script_t, nagios_t, nagios_t)
 155         read_lnk_files_pattern(httpd_nagios_script_t, nagios_t, nagios_t)
 156
 157         files_search_spool(httpd_nagios_script_t)
 158         rw_fifo_files_pattern(httpd_nagios_script_t, nagios_spool_t, nagios_spool_t)
 159
 160         allow httpd_nagios_script_t nagios_etc_t:dir list_dir_perms;
 161         read_files_pattern(httpd_nagios_script_t, nagios_etc_t, nagios_etc_t)
 162         read_lnk_files_pattern(httpd_nagios_script_t, nagios_etc_t, nagios_etc_t)
 163
 164         allow httpd_nagios_script_t nagios_log_t:dir list_dir_perms;
 165         read_files_pattern(httpd_nagios_script_t, nagios_etc_t, nagios_log_t)
 166         read_lnk_files_pattern(httpd_nagios_script_t, nagios_etc_t, nagios_log_t)
 167
 168         kernel_read_system_state(httpd_nagios_script_t)
 169
 170         domain_dontaudit_read_all_domains_state(httpd_nagios_script_t)
 171
 172         files_read_etc_runtime_files(httpd_nagios_script_t)
 173         files_read_kernel_symbol_table(httpd_nagios_script_t)
 174
 175         logging_send_syslog_msg(httpd_nagios_script_t)
 176 ')
 177
 178 ########################################
 179 #
 180 # Nagios remote plugin executor local policy
 181 #
 182
 183 allow nrpe_t self:capability { setuid setgid };
 184 dontaudit nrpe_t self:capability {sys_tty_config sys_resource};
 185 allow nrpe_t self:process { setpgid signal_perms setsched setrlimit };
 186 allow nrpe_t self:fifo_file rw_fifo_file_perms;
 187 allow nrpe_t self:tcp_socket create_stream_socket_perms;
 188
 189 domtrans_pattern(nrpe_t, nagios_checkdisk_plugin_exec_t, nagios_checkdisk_plugin_t)
 190
 191 read_files_pattern(nrpe_t, nagios_etc_t, nagios_etc_t)
 192 files_search_etc(nrpe_t)
 193
 194 manage_files_pattern(nrpe_t, nrpe_var_run_t, nrpe_var_run_t)
 195 files_pid_filetrans(nrpe_t, nrpe_var_run_t, file)
 196
 197 kernel_read_system_state(nrpe_t)
 198 kernel_read_kernel_sysctls(nrpe_t)
 199
 200 corecmd_exec_bin(nrpe_t)
 201 corecmd_exec_shell(nrpe_t)
 202
 203 corenet_tcp_bind_generic_node(nrpe_t)
 204 corenet_tcp_bind_inetd_child_port(nrpe_t)
 205 corenet_sendrecv_unlabeled_packets(nrpe_t)
 206
 207 dev_read_sysfs(nrpe_t)
 208 dev_read_urand(nrpe_t)
 209
 210 domain_use_interactive_fds(nrpe_t)
 211 domain_read_all_domains_state(nrpe_t)
 212
 213 files_read_etc_runtime_files(nrpe_t)
 214 files_read_etc_files(nrpe_t)
 215
 216 fs_getattr_all_fs(nrpe_t)
 217 fs_search_auto_mountpoints(nrpe_t)
 218
 219 auth_use_nsswitch(nrpe_t)
 220
 221 logging_send_syslog_msg(nrpe_t)
 222
 223 miscfiles_read_localization(nrpe_t)
 224
 225 userdom_dontaudit_use_unpriv_user_fds(nrpe_t)
 226
 227 optional_policy(`
 228         inetd_tcp_service_domain(nrpe_t, nrpe_exec_t)
 229 ')
 230
 231 optional_policy(`
 232         mta_send_mail(nrpe_t)
 233 ')
 234
 235 optional_policy(`
 236         seutil_sigchld_newrole(nrpe_t)
 237 ')
 238
 239 optional_policy(`
 240         tcpd_wrapped_domain(nrpe_t, nrpe_exec_t)
 241 ')
 242
 243 optional_policy(`
 244         udev_read_db(nrpe_t)
 245 ')
 246
 247 #####################################
 248 #
 249 # local policy for admin check plugins
 250 #
 251
 252 corecmd_read_bin_files(nagios_admin_plugin_t)
 253 corecmd_read_bin_symlinks(nagios_admin_plugin_t)
 254
 255 dev_read_urand(nagios_admin_plugin_t)
 256 dev_getattr_all_chr_files(nagios_admin_plugin_t)
 257 dev_getattr_all_blk_files(nagios_admin_plugin_t)
 258
 259 files_read_etc_files(nagios_admin_plugin_t)
 260 # for check_file_age plugin
 261 files_getattr_all_dirs(nagios_admin_plugin_t)
 262 files_getattr_all_files(nagios_admin_plugin_t)
 263 files_getattr_all_symlinks(nagios_admin_plugin_t)
 264 files_getattr_all_pipes(nagios_admin_plugin_t)
 265 files_getattr_all_sockets(nagios_admin_plugin_t)
 266 files_getattr_all_file_type_fs(nagios_admin_plugin_t)
 267
 268 ######################################
 269 #
 270 # local policy for mail check plugins
 271 #
 272
 273 allow nagios_mail_plugin_t self:capability { setuid setgid dac_override };
 274
 275 allow nagios_mail_plugin_t self:netlink_route_socket r_netlink_socket_perms;
 276 allow nagios_mail_plugin_t self:tcp_socket create_stream_socket_perms;
 277 allow nagios_mail_plugin_t self:udp_socket create_socket_perms;
 278
 279 kernel_read_system_state(nagios_mail_plugin_t)
 280 kernel_read_kernel_sysctls(nagios_mail_plugin_t)
 281
 282 corecmd_read_bin_files(nagios_mail_plugin_t)
 283 corecmd_read_bin_symlinks(nagios_mail_plugin_t)
 284
 285 dev_read_urand(nagios_mail_plugin_t)
 286
 287 files_read_etc_files(nagios_mail_plugin_t)
 288
 289 logging_send_syslog_msg(nagios_mail_plugin_t)
 290
 291 sysnet_read_config(nagios_mail_plugin_t)
 292
 293 optional_policy(`
 294         mta_send_mail(nagios_mail_plugin_t)
 295 ')
 296
 297 optional_policy(`
 298         nscd_dontaudit_search_pid(nagios_mail_plugin_t)
 299 ')
 300
 301 optional_policy(`
 302         postfix_stream_connect_master(nagios_mail_plugin_t)
 303         posftix_exec_postqueue(nagios_mail_plugin_t)
 304 ')
 305
 306 ######################################
 307 #
 308 # local policy for disk check plugins
 309 #
 310
 311 # needed by ioctl()
 312 allow nagios_checkdisk_plugin_t self:capability { sys_admin sys_rawio };
 313
 314 files_read_etc_runtime_files(nagios_checkdisk_plugin_t)
 315
 316 fs_getattr_all_fs(nagios_checkdisk_plugin_t)
 317
 318 storage_raw_read_fixed_disk(nagios_checkdisk_plugin_t)
 319
 320 #######################################
 321 #
 322 # local policy for service check plugins
 323 #
 324
 325 allow nagios_services_plugin_t self:capability { net_bind_service net_raw };
 326 allow nagios_services_plugin_t self:process { signal sigkill };
 327
 328 allow nagios_services_plugin_t self:tcp_socket create_stream_socket_perms;
 329 allow nagios_services_plugin_t self:udp_socket create_socket_perms;
 330
 331 corecmd_exec_bin(nagios_services_plugin_t)
 332
 333 corenet_tcp_connect_all_ports(nagios_services_plugin_t)
 334 corenet_udp_bind_dhcpc_port(nagios_services_plugin_t)
 335
 336 auth_use_nsswitch(nagios_services_plugin_t)
 337
 338 domain_read_all_domains_state(nagios_services_plugin_t)
 339
 340 files_read_usr_files(nagios_services_plugin_t)
 341
 342 optional_policy(`
 343         netutils_domtrans_ping(nagios_services_plugin_t)
 344 ')
 345
 346 optional_policy(`
 347         mysql_stream_connect(nagios_services_plugin_t)
 348 ')
 349
 350 optional_policy(`
 351         snmp_read_snmp_var_lib_files(nagios_services_plugin_t)
 352 ')
 353
 354 ######################################
 355 #
 356 # local policy for system check plugins
 357 #
 358
 359 allow nagios_system_plugin_t self:capability dac_override;
 360 dontaudit nagios_system_plugin_t self:capability { setuid setgid };
 361
 362 # check_log
 363 manage_files_pattern(nagios_system_plugin_t, nagios_system_plugin_tmp_t, nagios_system_plugin_tmp_t)
 364 manage_dirs_pattern(nagios_system_plugin_t, nagios_system_plugin_tmp_t, nagios_system_plugin_tmp_t)
 365 files_tmp_filetrans(nagios_system_plugin_t, nagios_system_plugin_tmp_t, { dir file })
 366
 367 kernel_read_system_state(nagios_system_plugin_t)
 368 kernel_read_kernel_sysctls(nagios_system_plugin_t)
 369
 370 corecmd_exec_bin(nagios_system_plugin_t)
 371 corecmd_exec_shell(nagios_system_plugin_t)
 372
 373 dev_read_sysfs(nagios_system_plugin_t)
 374 dev_read_urand(nagios_system_plugin_t)
 375
 376 domain_read_all_domains_state(nagios_system_plugin_t)
 377
 378 files_read_etc_files(nagios_system_plugin_t)
 379
 380 # needed by check_users plugin
 381 optional_policy(`
 382         init_read_utmp(nagios_system_plugin_t)
 383 ')
 384
 385 ########################################
 386 #
 387 # Unconfined plugin policy
 388 #
 389
 390 optional_policy(`
 391         unconfined_domain(nagios_unconfined_plugin_t)
 392 ')