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                 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 ${ret}
 127 }
 128
 129 # This function is not a public one
 130 function __portcmd() {
 131         local cmd=${1}
 132         local zone=${2}
 133         local hook_port=${3}
 134         shift 3
 135
 136         local hook_zone=$(zone_get_hook ${zone})
 137
 138         if ! hook_zone_exists ${hook_zone}; then
 139                 error "Hook '${hook}' does not exist."
 140                 exit ${EXIT_ERROR}
 141         fi
 142
 143         if ! hook_zone_port_exists ${hook_zone} ${hook_port}; then
 144                 error "Hook '${hook_port}' is not supported for zone '${zone}'."
 145                 exit ${EXIT_ERROR}
 146         fi
 147
 148         hook_zone_port_exec ${hook_zone} ${hook_port} ${cmd} ${zone} $@
 149 }
 150
 151 function _port_create() {
 152         __portcmd create $@
 153 }
 154
 155 function _port_edit() {
 156         __portcmd edit $@
 157 }
 158
 159 function _port_rem() {
 160         _notimplemented _port_rem
 161 }
 162
 163 function _port_show() {
 164         _notimplemented _port_show
 165 }
 166
 167 function _config() {
 168         local zone=${1}
 169         local action=${2}
 170         shift 2
 171
 172         local ret
 173
 174         case "${action}" in
 175                 create|edit|rem|show)
 176                         _config_${action} ${zone} $@
 177                         ret=$?
 178                         ;;
 179                 *)
 180                         error "Unrecognized argument: '${action}'"
 181                         exit ${EXIT_ERROR}
 182                         ;;
 183         esac
 184
 185         exit ${ret}
 186 }
 187
 188 # This function is not a public one
 189 function __configcmd() {
 190         local cmd=${1}
 191         local zone=${2}
 192         local hook_config=${3}
 193         shift 3
 194
 195         local hook_zone=$(zone_get_hook ${zone})
 196
 197         if ! hook_zone_exists ${hook_zone}; then
 198                 error "Hook '${hook}' does not exist."
 199                 exit ${EXIT_ERROR}
 200         fi
 201
 202         if ! hook_config_exists ${hook_zone} ${hook_config}; then
 203                 error "Hook '${hook_config}' is not supported for zone '${zone}'."
 204                 exit ${EXIT_ERROR}
 205         fi
 206
 207         hook_zone_config_exec ${hook_zone} ${hook_config} ${cmd} ${zone} $@
 208 }
 209
 210 function _config_create() {
 211         __configcmd create $@
 212 }
 213
 214 function _config_edit() {
 215         __configcmd edit $@
 216 }
 217
 218 function _config_rem() {
 219         _notimplemented _config_rem
 220 }
 221
 222 function _config_show() {
 223         _notimplemented _config_show
 224 }
 225
 226 function _ppp-ip-pre-up() {
 227         local zone=${1}
 228         shift
 229
 230         if ! zone_exists ${zone}; then
 231                 error "Zone '${zone}' does not exist."
 232                 exit ${EXIT_ERROR}
 233         fi
 234
 235         ppp_common_ip_pre_up ${zone} $@
 236
 237         exit $?
 238 }
 239
 240 function _ppp-ip-up() {
 241         local zone=${1}
 242         shift
 243
 244         if ! zone_exists ${zone}; then
 245                 error "Zone '${zone}' does not exist."
 246                 exit ${EXIT_ERROR}
 247         fi
 248
 249         ppp_common_ip_up ${zone} $@
 250
 251         exit $?
 252 }
 253
 254 function _ppp-ip-down() {
 255         local zone=${1}
 256         shift
 257
 258         if ! zone_exists ${zone}; then
 259                 error "Zone '${zone}' does not exist."
 260                 exit ${EXIT_ERROR}
 261         fi
 262
 263         ppp_common_ip_down ${zone} $@
 264
 265         exit $?
 266 }
 267
 268 function run() {
 269         case "${action}" in
 270                 create|discover|down|edit|info|rem|status|up)
 271                         _${action} $@
 272                         ;;
 273
 274                 port)
 275                         if ! hook_zone_has_ports ${HOOK}; then
 276                                 error "Hook '${HOOK}' does not support ports."
 277                                 exit ${EXIT_ERROR}
 278                         fi
 279
 280                         _port $@
 281                         ;;
 282
 283                 config)
 284                         if ! hook_zone_has_configs ${HOOK}; then
 285                                 error "Hook '${HOOK}' does not support configurations."
 286                                 exit ${EXIT_ERROR}
 287                         fi
 288
 289                         _config $@
 290                         ;;
 291
 292                 ppp-ip-pre-up|ppp-ip-up|ppp-ip-down)
 293                         _${action} $@
 294                         ;;
 295
 296         esac
 297
 298         error "Hook did not exit properly."
 299         exit ${EXIT_ERROR}
 300 }