header-zone

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21 #
  22 # Notes:
  23 #   - All functions in this scope must start with an underline (_) to not
  24 #     conflict with any functions that were defined somewhere else.
  25 #
  26
  27 . /lib/network/functions
  28
  29 HOOK=$(basename ${0})
  30
  31 while [ $# -gt 0 ]; do
  32         case "${1}" in
  33                 -*)
  34                         error "Unrecognized option: ${1}"
  35                         exit ${EXIT_ERROR}
  36                         ;;
  37                 *)
  38                         action=${1}
  39                         ;;
  40         esac
  41         shift
  42
  43         # If action argument was given, we will exit.
  44         [ -n "${action}" ] && break
  45 done
  46
  47 # _notimplemented
  48 #   Returns a soft error if a function was not implemented, yet.
  49 #
  50 function _notimplemented() {
  51         warning "'$@' was not implemented."
  52         exit ${EXIT_CONF_ERROR}
  53 }
  54
  55 function _info() {
  56         echo "HOOK=\"${HOOK}\""
  57 }
  58
  59 function _create() {
  60         local zone=${1}
  61         shift
  62
  63         config_read $(zone_dir ${zone})/settings
  64
  65         _parse_cmdline $@
  66
  67         config_write $(zone_dir ${zone})/settings ${HOOK_SETTINGS}
  68
  69         exit ${EXIT_OK}
  70 }
  71
  72 function _edit() {
  73         _create $@
  74 }
  75
  76 function _rem() {
  77         _notimplemented _rem
  78 }
  79
  80 function _status() {
  81         local zone=${1}
  82
  83         if device_is_up ${zone}; then
  84                 exit ${STATUS_UP}
  85         fi
  86
  87         exit ${STATUS_DOWN}
  88 }
  89
  90 function _up() {
  91         _notimplemented _up
  92 }
  93
  94 function _down() {
  95         _notimplemented _down
  96 }
  97
  98 function _discover() {
  99         # This hook does not support a discovery
 100         exit ${DISCOVER_NOT_SUPPORTED}
 101 }
 102
 103 # Do nothing
 104 function _parse_cmdline() {
 105         return ${EXIT_OK}
 106 }
 107
 108 function _port() {
 109         local zone=${1}
 110         local action=${2}
 111         shift 2
 112
 113         local ret
 114
 115         case "${action}" in
 116                 add|create|edit|rem|show)
 117                         _port_${action} ${zone} $@
 118                         ret=$?
 119                         ;;
 120                 *)
 121                         error "Unrecognized argument: '${action}'"
 122                         exit ${EXIT_ERROR}
 123                         ;;
 124         esac
 125
 126         exit ${ret}
 127 }
 128
 129 function _port_add() {
 130         _port_cmd add $@
 131 }
 132
 133 function _port_edit() {
 134         _port_cmd edit $@
 135 }
 136
 137 function _port_rem() {
 138         _port_cmd rem $@
 139 }
 140
 141 function _port_show() {
 142         _notimplemented _port_show
 143 }
 144
 145 function _port_status() {
 146         _port_cmd status $@
 147 }
 148
 149 function _port_cmd() {
 150         local cmd=${1}
 151         local zone=${2}
 152         local port=${3}
 153         shift 3
 154
 155         assert isset cmd
 156         assert isset zone
 157         assert isset port
 158
 159         local hook_zone=$(zone_get_hook ${zone})
 160         local hook_port=$(port_get_hook ${port})
 161
 162         assert isset hook_zone
 163         assert isset hook_port
 164
 165         if ! listmatch ${hook_port} $(zone_get_supported_hooks ${zone}); then
 166                 error_log "Zone '${zone}' does not support port of type '${hook_port}'."
 167                 exit ${EXIT_ERROR}
 168         fi
 169
 170         hook_zone_port_exec ${hook_zone} ${hook_port} ${cmd} ${zone} ${port} $@
 171
 172         exit $?
 173 }
 174
 175 function _port_up() {
 176         _port_cmd up $@
 177 }
 178
 179 function _port_down() {
 180         _port_cmd down $@
 181 }
 182
 183 function _config() {
 184         local zone=${1}
 185         local action=${2}
 186         shift 2
 187
 188         local ret
 189
 190         case "${action}" in
 191                 create|edit|rem|show)
 192                         _config_${action} ${zone} $@
 193                         ret=$?
 194                         ;;
 195                 *)
 196                         error "Unrecognized argument: '${action}'"
 197                         exit ${EXIT_ERROR}
 198                         ;;
 199         esac
 200
 201         exit ${ret}
 202 }
 203
 204 # This function is not a public one
 205 function __configcmd() {
 206         local cmd=${1}
 207         local zone=${2}
 208         local hook_config=${3}
 209         shift 3
 210
 211         local hook_zone=$(zone_get_hook ${zone})
 212
 213         if ! hook_zone_exists ${hook_zone}; then
 214                 error "Hook '${hook}' does not exist."
 215                 exit ${EXIT_ERROR}
 216         fi
 217
 218         if ! hook_config_exists ${hook_zone} ${hook_config}; then
 219                 error "Hook '${hook_config}' is not supported for zone '${zone}'."
 220                 exit ${EXIT_ERROR}
 221         fi
 222
 223         hook_zone_config_exec ${hook_zone} ${hook_config} ${cmd} ${zone} $@
 224 }
 225
 226 function _config_create() {
 227         __configcmd create $@
 228 }
 229
 230 function _config_edit() {
 231         __configcmd edit $@
 232 }
 233
 234 function _config_rem() {
 235         _notimplemented _config_rem
 236 }
 237
 238 function _config_show() {
 239         _notimplemented _config_show
 240 }
 241
 242 function _ppp-ip-pre-up() {
 243         local zone=${1}
 244         shift
 245
 246         if ! zone_exists ${zone}; then
 247                 error "Zone '${zone}' does not exist."
 248                 exit ${EXIT_ERROR}
 249         fi
 250
 251         ppp_common_ip_pre_up ${zone} $@
 252
 253         exit $?
 254 }
 255
 256 function _ppp-ip-up() {
 257         local zone=${1}
 258         shift
 259
 260         if ! zone_exists ${zone}; then
 261                 error "Zone '${zone}' does not exist."
 262                 exit ${EXIT_ERROR}
 263         fi
 264
 265         ppp_common_ip_up ${zone} $@
 266
 267         exit $?
 268 }
 269
 270 function _ppp-ip-down() {
 271         local zone=${1}
 272         shift
 273
 274         if ! zone_exists ${zone}; then
 275                 error "Zone '${zone}' does not exist."
 276                 exit ${EXIT_ERROR}
 277         fi
 278
 279         ppp_common_ip_down ${zone} $@
 280
 281         exit $?
 282 }
 283
 284 function run() {
 285         # Replace all dashes by an underscore
 286         #action=${action//-/_}
 287
 288         case "${action}" in
 289                 create|discover|down|edit|info|rem|status|up|port_add|port_rem|port_up|port_down|port_status)
 290                         _${action} $@
 291                         ;;
 292
 293                 port)
 294                         if ! hook_zone_has_ports ${HOOK}; then
 295                                 error "Hook '${HOOK}' does not support ports."
 296                                 exit ${EXIT_ERROR}
 297                         fi
 298
 299                         _port $@
 300                         ;;
 301
 302                 config)
 303                         if ! hook_zone_has_configs ${HOOK}; then
 304                                 error "Hook '${HOOK}' does not support configurations."
 305                                 exit ${EXIT_ERROR}
 306                         fi
 307
 308                         _config $@
 309                         ;;
 310
 311                 ppp-ip-pre-up|ppp-ip-up|ppp-ip-down)
 312                         _${action} $@
 313                         ;;
 314
 315         esac
 316
 317         error "Hook did not exit properly."
 318         exit ${EXIT_ERROR}
 319 }