policy/modules/services/dovecot.te

   1 policy_module(dovecot, 1.12.1)
   2
   3 ########################################
   4 #
   5 # Declarations
   6 #
   7 type dovecot_t;
   8 type dovecot_exec_t;
   9 init_daemon_domain(dovecot_t, dovecot_exec_t)
  10
  11 type dovecot_auth_t;
  12 type dovecot_auth_exec_t;
  13 domain_type(dovecot_auth_t)
  14 domain_entry_file(dovecot_auth_t, dovecot_auth_exec_t)
  15 role system_r types dovecot_auth_t;
  16
  17 type dovecot_auth_tmp_t;
  18 files_tmp_file(dovecot_auth_tmp_t)
  19
  20 type dovecot_cert_t;
  21 miscfiles_cert_type(dovecot_cert_t)
  22
  23 type dovecot_deliver_t;
  24 type dovecot_deliver_exec_t;
  25 domain_type(dovecot_deliver_t)
  26 domain_entry_file(dovecot_deliver_t, dovecot_deliver_exec_t)
  27 role system_r types dovecot_deliver_t;
  28
  29 type dovecot_deliver_tmp_t;
  30 files_tmp_file(dovecot_deliver_tmp_t)
  31
  32 type dovecot_etc_t;
  33 files_config_file(dovecot_etc_t)
  34
  35 type dovecot_initrc_exec_t;
  36 init_script_file(dovecot_initrc_exec_t)
  37
  38 type dovecot_passwd_t;
  39 files_type(dovecot_passwd_t)
  40
  41 type dovecot_spool_t;
  42 files_spool_file(dovecot_spool_t)
  43
  44 type dovecot_tmp_t;
  45 files_tmp_file(dovecot_tmp_t)
  46
  47 # /var/lib/dovecot holds SSL parameters file
  48 type dovecot_var_lib_t;
  49 files_type(dovecot_var_lib_t)
  50
  51 type dovecot_var_log_t;
  52 logging_log_file(dovecot_var_log_t)
  53
  54 type dovecot_var_run_t;
  55 files_pid_file(dovecot_var_run_t)
  56
  57 ########################################
  58 #
  59 # dovecot local policy
  60 #
  61
  62 allow dovecot_t self:capability { dac_override dac_read_search chown fsetid kill net_bind_service setgid setuid sys_chroot };
  63 dontaudit dovecot_t self:capability sys_tty_config;
  64 allow dovecot_t self:process { setrlimit signal_perms getcap setcap setsched };
  65 allow dovecot_t self:fifo_file rw_fifo_file_perms;
  66 allow dovecot_t self:tcp_socket create_stream_socket_perms;
  67 allow dovecot_t self:unix_dgram_socket create_socket_perms;
  68 allow dovecot_t self:unix_stream_socket { create_stream_socket_perms connectto };
  69
  70 domtrans_pattern(dovecot_t, dovecot_auth_exec_t, dovecot_auth_t)
  71
  72 allow dovecot_t dovecot_auth_t:process signal;
  73
  74 allow dovecot_t dovecot_cert_t:dir list_dir_perms;
  75 read_files_pattern(dovecot_t, dovecot_cert_t, dovecot_cert_t)
  76 read_lnk_files_pattern(dovecot_t, dovecot_cert_t, dovecot_cert_t)
  77
  78 allow dovecot_t dovecot_etc_t:dir list_dir_perms;
  79 read_files_pattern(dovecot_t, dovecot_etc_t, dovecot_etc_t)
  80 read_lnk_files_pattern(dovecot_t, dovecot_etc_t, dovecot_etc_t)
  81 files_search_etc(dovecot_t)
  82
  83 can_exec(dovecot_t, dovecot_exec_t)
  84
  85 manage_dirs_pattern(dovecot_t, dovecot_tmp_t, dovecot_tmp_t)
  86 manage_files_pattern(dovecot_t, dovecot_tmp_t, dovecot_tmp_t)
  87 files_tmp_filetrans(dovecot_t, dovecot_tmp_t, { file dir })
  88
  89 # Allow dovecot to create and read SSL parameters file
  90 manage_files_pattern(dovecot_t, dovecot_var_lib_t, dovecot_var_lib_t)
  91 files_search_var_lib(dovecot_t)
  92 files_read_var_symlinks(dovecot_t)
  93
  94 manage_dirs_pattern(dovecot_t, dovecot_var_log_t, dovecot_var_log_t)
  95 manage_files_pattern(dovecot_t, dovecot_var_log_t, dovecot_var_log_t)
  96 logging_log_filetrans(dovecot_t, dovecot_var_log_t, { file dir })
  97
  98 manage_dirs_pattern(dovecot_t, dovecot_spool_t, dovecot_spool_t)
  99 manage_files_pattern(dovecot_t, dovecot_spool_t, dovecot_spool_t)
 100 manage_lnk_files_pattern(dovecot_t, dovecot_spool_t, dovecot_spool_t)
 101
 102 manage_dirs_pattern(dovecot_t, dovecot_var_run_t, dovecot_var_run_t)
 103 manage_files_pattern(dovecot_t, dovecot_var_run_t, dovecot_var_run_t)
 104 manage_lnk_files_pattern(dovecot_t, dovecot_var_run_t, dovecot_var_run_t)
 105 manage_sock_files_pattern(dovecot_t, dovecot_var_run_t, dovecot_var_run_t)
 106 files_pid_filetrans(dovecot_t, dovecot_var_run_t, { dir file })
 107
 108 kernel_read_kernel_sysctls(dovecot_t)
 109 kernel_read_system_state(dovecot_t)
 110
 111 corenet_all_recvfrom_unlabeled(dovecot_t)
 112 corenet_all_recvfrom_netlabel(dovecot_t)
 113 corenet_tcp_sendrecv_generic_if(dovecot_t)
 114 corenet_tcp_sendrecv_generic_node(dovecot_t)
 115 corenet_tcp_sendrecv_all_ports(dovecot_t)
 116 corenet_tcp_bind_generic_node(dovecot_t)
 117 corenet_tcp_bind_mail_port(dovecot_t)
 118 corenet_tcp_bind_pop_port(dovecot_t)
 119 corenet_tcp_bind_lmtp_port(dovecot_t)
 120 corenet_tcp_bind_sieve_port(dovecot_t)
 121 corenet_tcp_connect_all_ports(dovecot_t)
 122 corenet_tcp_connect_postgresql_port(dovecot_t)
 123 corenet_sendrecv_pop_server_packets(dovecot_t)
 124 corenet_sendrecv_all_client_packets(dovecot_t)
 125
 126 dev_read_sysfs(dovecot_t)
 127 dev_read_urand(dovecot_t)
 128
 129 fs_getattr_all_fs(dovecot_t)
 130 fs_getattr_all_dirs(dovecot_t)
 131 fs_search_auto_mountpoints(dovecot_t)
 132 fs_list_inotifyfs(dovecot_t)
 133
 134 corecmd_exec_bin(dovecot_t)
 135
 136 domain_use_interactive_fds(dovecot_t)
 137
 138 files_read_etc_files(dovecot_t)
 139 files_search_spool(dovecot_t)
 140 files_search_tmp(dovecot_t)
 141 files_dontaudit_list_default(dovecot_t)
 142 # Dovecot now has quota support and it uses getmntent() to find the mountpoints.
 143 files_read_etc_runtime_files(dovecot_t)
 144 files_search_all_mountpoints(dovecot_t)
 145 files_read_var_lib_files(dovecot_t)
 146
 147 init_getattr_utmp(dovecot_t)
 148
 149 auth_use_nsswitch(dovecot_t)
 150
 151 logging_send_syslog_msg(dovecot_t)
 152
 153 miscfiles_read_generic_certs(dovecot_t)
 154 miscfiles_read_localization(dovecot_t)
 155
 156 userdom_home_manager(dovecot_t)
 157 userdom_dontaudit_use_unpriv_user_fds(dovecot_t)
 158 userdom_manage_user_home_content_dirs(dovecot_t)
 159 userdom_manage_user_home_content_files(dovecot_t)
 160 userdom_manage_user_home_content_symlinks(dovecot_t)
 161 userdom_manage_user_home_content_pipes(dovecot_t)
 162 userdom_manage_user_home_content_sockets(dovecot_t)
 163 userdom_user_home_dir_filetrans_user_home_content(dovecot_t, { dir file lnk_file fifo_file sock_file })
 164
 165 mta_manage_spool(dovecot_t)
 166
 167 optional_policy(`
 168         kerberos_keytab_template(dovecot, dovecot_t)
 169 ')
 170
 171 optional_policy(`
 172         gnome_manage_data(dovecot_t)
 173 ')
 174
 175 optional_policy(`
 176         postfix_manage_private_sockets(dovecot_t)
 177         postfix_search_spool(dovecot_t)
 178 ')
 179
 180 optional_policy(`
 181         postgresql_stream_connect(dovecot_t)
 182 ')
 183
 184 optional_policy(`
 185         seutil_sigchld_newrole(dovecot_t)
 186 ')
 187
 188 optional_policy(`
 189         squid_dontaudit_search_cache(dovecot_t)
 190 ')
 191
 192 optional_policy(`
 193         udev_read_db(dovecot_t)
 194 ')
 195
 196 ########################################
 197 #
 198 # dovecot auth local policy
 199 #
 200
 201 allow dovecot_auth_t self:capability { chown dac_override ipc_lock setgid setuid sys_nice };
 202 allow dovecot_auth_t self:process { getsched setsched signal_perms getcap setcap };
 203 allow dovecot_auth_t self:fifo_file rw_fifo_file_perms;
 204 allow dovecot_auth_t self:unix_dgram_socket create_socket_perms;
 205 allow dovecot_auth_t self:unix_stream_socket create_stream_socket_perms;
 206
 207 allow dovecot_auth_t dovecot_t:unix_stream_socket { connectto rw_stream_socket_perms };
 208
 209 read_files_pattern(dovecot_auth_t, dovecot_passwd_t, dovecot_passwd_t)
 210
 211 read_files_pattern(dovecot_auth_t, dovecot_etc_t, dovecot_etc_t)
 212 read_lnk_files_pattern(dovecot_auth_t, dovecot_etc_t, dovecot_etc_t)
 213
 214 manage_dirs_pattern(dovecot_auth_t, dovecot_auth_tmp_t, dovecot_auth_tmp_t)
 215 manage_files_pattern(dovecot_auth_t, dovecot_auth_tmp_t, dovecot_auth_tmp_t)
 216 files_tmp_filetrans(dovecot_auth_t, dovecot_auth_tmp_t, { file dir })
 217
 218 allow dovecot_auth_t dovecot_var_run_t:dir list_dir_perms;
 219 manage_sock_files_pattern(dovecot_auth_t, dovecot_var_run_t, dovecot_var_run_t)
 220 dovecot_stream_connect_auth(dovecot_auth_t)
 221
 222 kernel_read_all_sysctls(dovecot_auth_t)
 223 kernel_read_system_state(dovecot_auth_t)
 224
 225 corecmd_exec_bin(dovecot_auth_t)
 226
 227 logging_send_audit_msgs(dovecot_auth_t)
 228 logging_send_syslog_msg(dovecot_auth_t)
 229
 230 dev_search_sysfs(dovecot_auth_t)
 231 dev_read_urand(dovecot_auth_t)
 232
 233 auth_domtrans_chk_passwd(dovecot_auth_t)
 234 auth_use_nsswitch(dovecot_auth_t)
 235
 236 files_read_etc_files(dovecot_auth_t)
 237 files_read_etc_runtime_files(dovecot_auth_t)
 238 files_search_pids(dovecot_auth_t)
 239 files_read_usr_files(dovecot_auth_t)
 240 files_read_usr_symlinks(dovecot_auth_t)
 241 files_read_var_lib_files(dovecot_auth_t)
 242 files_search_tmp(dovecot_auth_t)
 243
 244 fs_getattr_xattr_fs(dovecot_auth_t)
 245
 246 init_rw_utmp(dovecot_auth_t)
 247
 248 miscfiles_read_localization(dovecot_auth_t)
 249
 250 seutil_dontaudit_search_config(dovecot_auth_t)
 251
 252 optional_policy(`
 253         kerberos_use(dovecot_auth_t)
 254
 255         # for gssapi (kerberos)
 256         userdom_list_user_tmp(dovecot_auth_t)
 257         userdom_read_user_tmp_files(dovecot_auth_t)
 258         userdom_read_user_tmp_symlinks(dovecot_auth_t)
 259 ')
 260
 261 optional_policy(`
 262         mysql_search_db(dovecot_auth_t)
 263         mysql_stream_connect(dovecot_auth_t)
 264         mysql_read_config(dovecot_auth_t)
 265         mysql_tcp_connect(dovecot_auth_t)
 266 ')
 267
 268 optional_policy(`
 269         nis_authenticate(dovecot_auth_t)
 270 ')
 271
 272 optional_policy(`
 273         postfix_manage_private_sockets(dovecot_auth_t)
 274         postfix_rw_master_pipes(dovecot_deliver_t)
 275         postfix_search_spool(dovecot_auth_t)
 276 ')
 277
 278 ########################################
 279 #
 280 # dovecot deliver local policy
 281 #
 282
 283 allow dovecot_deliver_t self:fifo_file rw_fifo_file_perms;
 284 allow dovecot_deliver_t self:unix_dgram_socket create_socket_perms;
 285
 286 allow dovecot_deliver_t dovecot_t:process signull;
 287
 288 allow dovecot_deliver_t dovecot_etc_t:dir list_dir_perms;
 289 read_files_pattern(dovecot_deliver_t, dovecot_etc_t, dovecot_etc_t)
 290 read_lnk_files_pattern(dovecot_deliver_t, dovecot_etc_t, dovecot_etc_t)
 291
 292 allow dovecot_deliver_t dovecot_cert_t:dir search_dir_perms;
 293
 294 append_files_pattern(dovecot_deliver_t, dovecot_var_log_t, dovecot_var_log_t)
 295
 296 manage_dirs_pattern(dovecot_deliver_t, dovecot_deliver_tmp_t, dovecot_deliver_tmp_t)
 297 manage_files_pattern(dovecot_deliver_t, dovecot_deliver_tmp_t, dovecot_deliver_tmp_t)
 298 files_tmp_filetrans(dovecot_deliver_t, dovecot_deliver_tmp_t, { file dir })
 299
 300 allow dovecot_deliver_t dovecot_var_run_t:dir list_dir_perms;
 301 read_sock_files_pattern(dovecot_deliver_t, dovecot_var_run_t, dovecot_var_run_t)
 302 dovecot_stream_connect(dovecot_deliver_t)
 303
 304 can_exec(dovecot_deliver_t, dovecot_deliver_exec_t)
 305
 306 kernel_read_all_sysctls(dovecot_deliver_t)
 307 kernel_read_system_state(dovecot_deliver_t)
 308
 309 corecmd_exec_bin(dovecot_deliver_t)
 310
 311 files_read_etc_files(dovecot_deliver_t)
 312 files_read_etc_runtime_files(dovecot_deliver_t)
 313
 314 auth_use_nsswitch(dovecot_deliver_t)
 315
 316 logging_send_syslog_msg(dovecot_deliver_t)
 317 logging_append_all_logs(dovecot_deliver_t)
 318
 319 miscfiles_read_localization(dovecot_deliver_t)
 320
 321 dovecot_stream_connect_auth(dovecot_deliver_t)
 322
 323 files_search_tmp(dovecot_deliver_t)
 324
 325 fs_getattr_all_fs(dovecot_deliver_t)
 326
 327 userdom_manage_user_home_content_dirs(dovecot_deliver_t)
 328 userdom_manage_user_home_content_files(dovecot_deliver_t)
 329 userdom_manage_user_home_content_symlinks(dovecot_deliver_t)
 330 userdom_manage_user_home_content_pipes(dovecot_deliver_t)
 331 userdom_manage_user_home_content_sockets(dovecot_deliver_t)
 332 userdom_user_home_dir_filetrans_user_home_content(dovecot_deliver_t, { dir file lnk_file fifo_file sock_file })
 333
 334 userdom_home_manager(dovecot_deliver_t)
 335
 336 optional_policy(`
 337         gnome_manage_data(dovecot_deliver_t)
 338 ')
 339
 340 optional_policy(`
 341         mta_manage_spool(dovecot_deliver_t)
 342         mta_read_queue(dovecot_deliver_t)
 343 ')
 344
 345 optional_policy(`
 346         postfix_use_fds_master(dovecot_deliver_t)
 347 ')
 348
 349 optional_policy(`
 350         # Handle sieve scripts
 351         sendmail_domtrans(dovecot_deliver_t)
 352 ')