policy/modules/services/dhcp.te

   1
   2 policy_module(dhcp, 1.9.0)
   3
   4 ########################################
   5 #
   6 # Declarations
   7 #
   8
   9 type dhcpd_t;
  10 type dhcpd_exec_t;
  11 init_daemon_domain(dhcpd_t, dhcpd_exec_t)
  12
  13 type dhcpd_initrc_exec_t;
  14 init_script_file(dhcpd_initrc_exec_t)
  15
  16 type dhcpd_state_t;
  17 files_type(dhcpd_state_t)
  18
  19 type dhcpd_tmp_t;
  20 files_tmp_file(dhcpd_tmp_t)
  21
  22 type dhcpd_var_run_t;
  23 files_pid_file(dhcpd_var_run_t)
  24
  25 ########################################
  26 #
  27 # Local policy
  28 #
  29
  30 allow dhcpd_t self:capability { net_raw sys_resource };
  31 dontaudit dhcpd_t self:capability { net_admin sys_tty_config };
  32 allow dhcpd_t self:process signal_perms;
  33 allow dhcpd_t self:fifo_file rw_fifo_file_perms;
  34 allow dhcpd_t self:unix_dgram_socket create_socket_perms;
  35 allow dhcpd_t self:unix_stream_socket create_socket_perms;
  36 allow dhcpd_t self:tcp_socket create_stream_socket_perms;
  37 allow dhcpd_t self:udp_socket create_socket_perms;
  38 # Allow dhcpd_t to use packet sockets
  39 allow dhcpd_t self:packet_socket create_socket_perms;
  40 allow dhcpd_t self:rawip_socket create_socket_perms;
  41
  42 can_exec(dhcpd_t, dhcpd_exec_t)
  43
  44 manage_files_pattern(dhcpd_t, dhcpd_state_t, dhcpd_state_t)
  45 sysnet_dhcp_state_filetrans(dhcpd_t, dhcpd_state_t, file)
  46
  47 manage_dirs_pattern(dhcpd_t, dhcpd_tmp_t, dhcpd_tmp_t)
  48 manage_files_pattern(dhcpd_t, dhcpd_tmp_t, dhcpd_tmp_t)
  49 files_tmp_filetrans(dhcpd_t, dhcpd_tmp_t, { file dir })
  50
  51 manage_files_pattern(dhcpd_t, dhcpd_var_run_t, dhcpd_var_run_t)
  52 files_pid_filetrans(dhcpd_t, dhcpd_var_run_t, file)
  53
  54 kernel_read_system_state(dhcpd_t)
  55 kernel_read_kernel_sysctls(dhcpd_t)
  56 kernel_read_network_state(dhcpd_t)
  57
  58 corenet_all_recvfrom_unlabeled(dhcpd_t)
  59 corenet_all_recvfrom_netlabel(dhcpd_t)
  60 corenet_tcp_sendrecv_generic_if(dhcpd_t)
  61 corenet_udp_sendrecv_generic_if(dhcpd_t)
  62 corenet_raw_sendrecv_generic_if(dhcpd_t)
  63 corenet_tcp_sendrecv_generic_node(dhcpd_t)
  64 corenet_udp_sendrecv_generic_node(dhcpd_t)
  65 corenet_raw_sendrecv_generic_node(dhcpd_t)
  66 corenet_tcp_sendrecv_all_ports(dhcpd_t)
  67 corenet_udp_sendrecv_all_ports(dhcpd_t)
  68 corenet_tcp_bind_generic_node(dhcpd_t)
  69 corenet_udp_bind_generic_node(dhcpd_t)
  70 corenet_tcp_bind_dhcpd_port(dhcpd_t)
  71 corenet_udp_bind_dhcpd_port(dhcpd_t)
  72 corenet_udp_bind_pxe_port(dhcpd_t)
  73 corenet_tcp_connect_all_ports(dhcpd_t)
  74 corenet_sendrecv_dhcpd_server_packets(dhcpd_t)
  75 corenet_sendrecv_pxe_server_packets(dhcpd_t)
  76 corenet_sendrecv_all_client_packets(dhcpd_t)
  77
  78 dev_read_sysfs(dhcpd_t)
  79 dev_read_rand(dhcpd_t)
  80 dev_read_urand(dhcpd_t)
  81
  82 fs_getattr_all_fs(dhcpd_t)
  83 fs_search_auto_mountpoints(dhcpd_t)
  84
  85 corecmd_exec_bin(dhcpd_t)
  86
  87 domain_use_interactive_fds(dhcpd_t)
  88
  89 files_read_etc_files(dhcpd_t)
  90 files_read_usr_files(dhcpd_t)
  91 files_read_etc_runtime_files(dhcpd_t)
  92 files_search_var_lib(dhcpd_t)
  93
  94 auth_use_nsswitch(dhcpd_t)
  95
  96 logging_send_syslog_msg(dhcpd_t)
  97
  98 miscfiles_read_localization(dhcpd_t)
  99
 100 sysnet_read_dhcp_config(dhcpd_t)
 101
 102 userdom_dontaudit_use_unpriv_user_fds(dhcpd_t)
 103 userdom_dontaudit_search_user_home_dirs(dhcpd_t)
 104
 105 ifdef(`distro_gentoo',`
 106         allow dhcpd_t self:capability { chown dac_override setgid setuid sys_chroot };
 107 ')
 108
 109 optional_policy(`
 110         # used for dynamic DNS
 111         bind_read_dnssec_keys(dhcpd_t)
 112 ')
 113
 114 optional_policy(`
 115         dbus_system_bus_client(dhcpd_t)
 116         dbus_connect_system_bus(dhcpd_t)
 117 ')
 118
 119 optional_policy(`
 120         seutil_sigchld_newrole(dhcpd_t)
 121 ')
 122
 123 optional_policy(`
 124         udev_read_db(dhcpd_t)
 125 ')