policy/modules/services/rpc.te

   1
   2 policy_module(rpc, 1.12.0)
   3
   4 ########################################
   5 #
   6 # Declarations
   7 #
   8
   9 ## <desc>
  10 ## <p>
  11 ## Allow gssd to read temp directory.  For access to kerberos tgt.
  12 ## </p>
  13 ## </desc>
  14 gen_tunable(allow_gssd_read_tmp, true)
  15
  16 ## <desc>
  17 ## <p>
  18 ## Allow nfs servers to modify public files
  19 ## used for public file transfer services.  Files/Directories must be
  20 ## labeled public_content_rw_t.
  21 ## </p>
  22 ## </desc>
  23 gen_tunable(allow_nfsd_anon_write, false)
  24
  25 type exports_t;
  26 files_config_file(exports_t)
  27
  28 rpc_domain_template(gssd)
  29
  30 type gssd_tmp_t;
  31 files_tmp_file(gssd_tmp_t)
  32
  33 type rpcd_var_run_t;
  34 files_pid_file(rpcd_var_run_t)
  35
  36 # rpcd_t is the domain of rpc daemons.
  37 # rpc_exec_t is the type of rpc daemon programs.
  38 rpc_domain_template(rpcd)
  39
  40 type rpcd_initrc_exec_t;
  41 init_script_file(rpcd_initrc_exec_t);
  42
  43 rpc_domain_template(nfsd)
  44
  45 type nfsd_initrc_exec_t;
  46 init_script_file(nfsd_initrc_exec_t);
  47
  48 type nfsd_rw_t;
  49 files_type(nfsd_rw_t)
  50
  51 type nfsd_ro_t;
  52 files_type(nfsd_ro_t)
  53
  54 type var_lib_nfs_t;
  55 files_mountpoint(var_lib_nfs_t)
  56
  57 ########################################
  58 #
  59 # RPC local policy
  60 #
  61
  62 allow rpcd_t self:capability { sys_admin chown dac_override setgid setuid };
  63 allow rpcd_t self:process { getcap setcap };
  64 allow rpcd_t self:fifo_file rw_fifo_file_perms;
  65
  66 allow rpcd_t rpcd_var_run_t:dir setattr;
  67 manage_files_pattern(rpcd_t, rpcd_var_run_t, rpcd_var_run_t)
  68 files_pid_filetrans(rpcd_t, rpcd_var_run_t, file)
  69
  70 # rpc.statd executes sm-notify
  71 can_exec(rpcd_t, rpcd_exec_t)
  72
  73 kernel_read_system_state(rpcd_t)
  74 kernel_read_network_state(rpcd_t)
  75 # for rpc.rquotad
  76 kernel_read_sysctl(rpcd_t)
  77 kernel_rw_fs_sysctls(rpcd_t)
  78 kernel_dontaudit_getattr_core_if(rpcd_t)
  79 kernel_signal(rpcd_t)
  80
  81 corecmd_exec_bin(rpcd_t)
  82
  83 files_manage_mounttab(rpcd_t)
  84 files_getattr_all_dirs(rpcd_t)
  85
  86 fs_list_rpc(rpcd_t)
  87 fs_read_rpc_files(rpcd_t)
  88 fs_read_rpc_symlinks(rpcd_t)
  89 fs_rw_rpc_sockets(rpcd_t)
  90 fs_get_all_fs_quotas(rpcd_t)
  91 fs_getattr_all_fs(rpcd_t)
  92
  93 storage_getattr_fixed_disk_dev(rpcd_t)
  94
  95 selinux_dontaudit_read_fs(rpcd_t)
  96
  97 miscfiles_read_certs(rpcd_t)
  98
  99 seutil_dontaudit_search_config(rpcd_t)
 100
 101 optional_policy(`
 102         automount_signal(rpcd_t)
 103         automount_dontaudit_write_pipes(rpcd_t)
 104 ')
 105
 106 optional_policy(`
 107         nis_read_ypserv_config(rpcd_t)
 108 ')
 109
 110 ########################################
 111 #
 112 # NFSD local policy
 113 #
 114
 115 allow nfsd_t self:capability { dac_override dac_read_search sys_admin sys_resource };
 116
 117 allow nfsd_t exports_t:file read_file_perms;
 118 allow nfsd_t { nfsd_rw_t nfsd_ro_t }:dir list_dir_perms;
 119
 120 # for /proc/fs/nfs/exports - should we have a new type?
 121 kernel_read_system_state(nfsd_t)
 122 kernel_read_network_state(nfsd_t)
 123 kernel_dontaudit_getattr_core_if(nfsd_t)
 124
 125 corenet_tcp_bind_all_rpc_ports(nfsd_t)
 126 corenet_udp_bind_all_rpc_ports(nfsd_t)
 127
 128 dev_dontaudit_getattr_all_blk_files(nfsd_t)
 129 dev_dontaudit_getattr_all_chr_files(nfsd_t)
 130 dev_rw_lvm_control(nfsd_t)
 131
 132 # does not really need this, but it is easier to just allow it
 133 files_search_pids(nfsd_t)
 134 # for exportfs and rpc.mountd
 135 files_getattr_tmp_dirs(nfsd_t)
 136 # cjp: this should really have its own type
 137 files_manage_mounttab(nfsd_t)
 138 files_read_etc_runtime_files(nfsd_t)
 139
 140 fs_mount_nfsd_fs(nfsd_t)
 141 fs_search_nfsd_fs(nfsd_t)
 142 fs_getattr_all_fs(nfsd_t)
 143 fs_getattr_all_dirs(nfsd_t)
 144 fs_rw_nfsd_fs(nfsd_t)
 145
 146 storage_dontaudit_read_fixed_disk(nfsd_t)
 147 storage_raw_read_removable_device(nfsd_t)
 148
 149 # Read access to public_content_t and public_content_rw_t
 150 miscfiles_read_public_files(nfsd_t)
 151
 152 # Write access to public_content_t and public_content_rw_t
 153 tunable_policy(`allow_nfsd_anon_write',`
 154         miscfiles_manage_public_files(nfsd_t)
 155 ')
 156
 157 tunable_policy(`nfs_export_all_rw',`
 158         dev_getattr_all_blk_files(nfsd_t)
 159         dev_getattr_all_chr_files(nfsd_t)
 160
 161         fs_read_noxattr_fs_files(nfsd_t)
 162         auth_manage_all_files_except_shadow(nfsd_t)
 163 ')
 164
 165 tunable_policy(`nfs_export_all_ro',`
 166         dev_getattr_all_blk_files(nfsd_t)
 167         dev_getattr_all_chr_files(nfsd_t)
 168
 169         files_getattr_all_pipes(nfsd_t)
 170         files_getattr_all_sockets(nfsd_t)
 171
 172         fs_read_noxattr_fs_files(nfsd_t)
 173
 174         auth_read_all_dirs_except_shadow(nfsd_t)
 175         auth_read_all_files_except_shadow(nfsd_t)
 176 ')
 177
 178 ########################################
 179 #
 180 # GSSD local policy
 181 #
 182
 183 allow gssd_t self:capability { dac_override dac_read_search setuid sys_nice };
 184 allow gssd_t self:process { getsched setsched };
 185 allow gssd_t self:fifo_file rw_file_perms;
 186
 187 manage_dirs_pattern(gssd_t, gssd_tmp_t, gssd_tmp_t)
 188 manage_files_pattern(gssd_t, gssd_tmp_t, gssd_tmp_t)
 189 files_tmp_filetrans(gssd_t, gssd_tmp_t, { file dir })
 190
 191 kernel_read_system_state(gssd_t)
 192 kernel_read_network_state(gssd_t)
 193 kernel_read_network_state_symlinks(gssd_t)
 194 kernel_request_load_module(gssd_t)
 195 kernel_search_network_sysctl(gssd_t)
 196 kernel_signal(gssd_t)
 197
 198 corecmd_exec_bin(gssd_t)
 199
 200 fs_list_rpc(gssd_t)
 201 fs_rw_rpc_sockets(gssd_t)
 202 fs_read_rpc_files(gssd_t)
 203
 204 fs_list_inotifyfs(gssd_t)
 205 files_list_tmp(gssd_t)
 206 files_read_usr_symlinks(gssd_t)
 207 files_dontaudit_write_var_dirs(gssd_t)
 208
 209 auth_use_nsswitch(gssd_t)
 210 auth_manage_cache(gssd_t)
 211
 212 miscfiles_read_certs(gssd_t)
 213
 214 mount_signal(gssd_t)
 215
 216 userdom_signal_all_users(gssd_t)
 217
 218 tunable_policy(`allow_gssd_read_tmp',`
 219         userdom_list_user_tmp(gssd_t)
 220         userdom_read_user_tmp_files(gssd_t)
 221         userdom_read_user_tmp_symlinks(gssd_t)
 222 ')
 223
 224 optional_policy(`
 225         automount_signal(gssd_t)
 226 ')
 227
 228 optional_policy(`
 229         kerberos_keytab_template(gssd, gssd_t)
 230 ')
 231
 232 optional_policy(`
 233         pcscd_read_pub_files(gssd_t)
 234 ')
 235
 236 optional_policy(`
 237         xserver_rw_xdm_tmp_files(gssd_t)
 238 ')