policy/modules/admin/netutils.te

   1
   2 policy_module(netutils, 1.10.0)
   3
   4 ########################################
   5 #
   6 # Declarations
   7 #
   8
   9 ## <desc>
  10 ## <p>
  11 ## Control users use of ping and traceroute
  12 ## </p>
  13 ## </desc>
  14 gen_tunable(user_ping, false)
  15
  16 type netutils_t;
  17 type netutils_exec_t;
  18 init_system_domain(netutils_t, netutils_exec_t)
  19 role system_r types netutils_t;
  20
  21 type netutils_tmp_t;
  22 files_tmp_file(netutils_tmp_t)
  23
  24 type ping_t;
  25 type ping_exec_t;
  26 init_system_domain(ping_t, ping_exec_t)
  27 role system_r types ping_t;
  28
  29 type traceroute_t;
  30 type traceroute_exec_t;
  31 init_system_domain(traceroute_t, traceroute_exec_t)
  32 role system_r types traceroute_t;
  33
  34 ########################################
  35 #
  36 # Netutils local policy
  37 #
  38
  39 # Perform network administration operations and have raw access to the network.
  40 allow netutils_t self:capability { net_admin net_raw setuid setgid };
  41 dontaudit netutils_t self:capability sys_tty_config;
  42 allow netutils_t self:process { sigkill sigstop signull signal };
  43 allow netutils_t self:netlink_route_socket { bind create getattr nlmsg_read nlmsg_write read write };
  44 allow netutils_t self:packet_socket create_socket_perms;
  45 allow netutils_t self:udp_socket create_socket_perms;
  46 allow netutils_t self:tcp_socket create_stream_socket_perms;
  47 allow netutils_t self:socket create_socket_perms;
  48
  49 manage_dirs_pattern(netutils_t, netutils_tmp_t, netutils_tmp_t)
  50 manage_files_pattern(netutils_t, netutils_tmp_t, netutils_tmp_t)
  51 files_tmp_filetrans(netutils_t, netutils_tmp_t, { file dir })
  52
  53 kernel_search_proc(netutils_t)
  54 kernel_read_all_sysctls(netutils_t)
  55
  56 corenet_all_recvfrom_unlabeled(netutils_t)
  57 corenet_all_recvfrom_netlabel(netutils_t)
  58 corenet_tcp_sendrecv_generic_if(netutils_t)
  59 corenet_raw_sendrecv_generic_if(netutils_t)
  60 corenet_udp_sendrecv_generic_if(netutils_t)
  61 corenet_tcp_sendrecv_generic_node(netutils_t)
  62 corenet_raw_sendrecv_generic_node(netutils_t)
  63 corenet_udp_sendrecv_generic_node(netutils_t)
  64 corenet_tcp_sendrecv_all_ports(netutils_t)
  65 corenet_udp_sendrecv_all_ports(netutils_t)
  66 corenet_tcp_connect_all_ports(netutils_t)
  67 corenet_sendrecv_all_client_packets(netutils_t)
  68 corenet_udp_bind_generic_node(netutils_t)
  69
  70 dev_read_sysfs(netutils_t)
  71
  72 fs_getattr_xattr_fs(netutils_t)
  73
  74 domain_use_interactive_fds(netutils_t)
  75
  76 files_read_etc_files(netutils_t)
  77 # for nscd
  78 files_dontaudit_search_var(netutils_t)
  79
  80 init_use_fds(netutils_t)
  81 init_use_script_ptys(netutils_t)
  82
  83 auth_use_nsswitch(netutils_t)
  84
  85 logging_send_syslog_msg(netutils_t)
  86
  87 miscfiles_read_localization(netutils_t)
  88
  89 term_dontaudit_use_console(netutils_t)
  90 userdom_use_user_terminals(netutils_t)
  91 userdom_use_all_users_fds(netutils_t)
  92
  93 optional_policy(`
  94         nis_use_ypbind(netutils_t)
  95 ')
  96
  97 optional_policy(`
  98         vmware_append_log(netutils_t)
  99 ')
 100
 101 optional_policy(`
 102         xen_append_log(netutils_t)
 103 ')
 104
 105 ########################################
 106 #
 107 # Ping local policy
 108 #
 109
 110 allow ping_t self:capability { setuid net_raw };
 111 dontaudit ping_t self:capability sys_tty_config;
 112 allow ping_t self:tcp_socket create_socket_perms;
 113 allow ping_t self:rawip_socket { create ioctl read write bind getopt setopt };
 114 allow ping_t self:packet_socket { create ioctl read write bind getopt setopt };
 115 allow ping_t self:netlink_route_socket create_netlink_socket_perms;
 116
 117 corenet_all_recvfrom_unlabeled(ping_t)
 118 corenet_all_recvfrom_netlabel(ping_t)
 119 corenet_tcp_sendrecv_generic_if(ping_t)
 120 corenet_raw_sendrecv_generic_if(ping_t)
 121 corenet_raw_sendrecv_generic_node(ping_t)
 122 corenet_tcp_sendrecv_generic_node(ping_t)
 123 corenet_raw_bind_generic_node(ping_t)
 124 corenet_tcp_sendrecv_all_ports(ping_t)
 125
 126 fs_dontaudit_getattr_xattr_fs(ping_t)
 127
 128 domain_use_interactive_fds(ping_t)
 129
 130 files_read_etc_files(ping_t)
 131 files_dontaudit_search_var(ping_t)
 132
 133 kernel_read_system_state(ping_t)
 134
 135 auth_use_nsswitch(ping_t)
 136
 137 logging_send_syslog_msg(ping_t)
 138
 139 miscfiles_read_localization(ping_t)
 140
 141 userdom_use_user_terminals(ping_t)
 142
 143 ifdef(`hide_broken_symptoms',`
 144         init_dontaudit_use_fds(ping_t)
 145
 146         optional_policy(`
 147                 nagios_dontaudit_rw_pipes(ping_t)
 148         ')
 149 ')
 150
 151 optional_policy(`
 152         munin_append_log(ping_t)
 153 ')
 154
 155 optional_policy(`
 156         pcmcia_use_cardmgr_fds(ping_t)
 157 ')
 158
 159 optional_policy(`
 160         hotplug_use_fds(ping_t)
 161 ')
 162
 163 ########################################
 164 #
 165 # Traceroute local policy
 166 #
 167
 168 allow traceroute_t self:capability { net_admin net_raw setuid setgid };
 169 allow traceroute_t self:rawip_socket create_socket_perms;
 170 allow traceroute_t self:packet_socket create_socket_perms;
 171 allow traceroute_t self:udp_socket create_socket_perms;
 172
 173 kernel_read_system_state(traceroute_t)
 174 kernel_read_network_state(traceroute_t)
 175
 176 corenet_all_recvfrom_unlabeled(traceroute_t)
 177 corenet_all_recvfrom_netlabel(traceroute_t)
 178 corenet_tcp_sendrecv_generic_if(traceroute_t)
 179 corenet_udp_sendrecv_generic_if(traceroute_t)
 180 corenet_raw_sendrecv_generic_if(traceroute_t)
 181 corenet_tcp_sendrecv_generic_node(traceroute_t)
 182 corenet_udp_sendrecv_generic_node(traceroute_t)
 183 corenet_raw_sendrecv_generic_node(traceroute_t)
 184 corenet_tcp_sendrecv_all_ports(traceroute_t)
 185 corenet_udp_sendrecv_all_ports(traceroute_t)
 186 corenet_udp_bind_generic_node(traceroute_t)
 187 corenet_tcp_bind_generic_node(traceroute_t)
 188 # traceroute needs this but not tracepath
 189 corenet_raw_bind_generic_node(traceroute_t)
 190 corenet_udp_bind_traceroute_port(traceroute_t)
 191 corenet_tcp_connect_all_ports(traceroute_t)
 192 corenet_sendrecv_all_client_packets(traceroute_t)
 193 corenet_sendrecv_traceroute_server_packets(traceroute_t)
 194
 195 fs_dontaudit_getattr_xattr_fs(traceroute_t)
 196
 197 domain_use_interactive_fds(traceroute_t)
 198
 199 files_read_etc_files(traceroute_t)
 200 files_dontaudit_search_var(traceroute_t)
 201
 202 init_use_fds(traceroute_t)
 203
 204 auth_use_nsswitch(traceroute_t)
 205
 206 logging_send_syslog_msg(traceroute_t)
 207
 208 miscfiles_read_localization(traceroute_t)
 209
 210 userdom_use_user_terminals(traceroute_t)
 211
 212 #rules needed for nmap
 213 dev_read_rand(traceroute_t)
 214 dev_read_urand(traceroute_t)
 215 files_read_usr_files(traceroute_t)