src/functions/functions.triggers

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2015  IPFire Network Development Team                         #
   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 TRIGGER_ACTIONS="init up down online"
  23
  24 trigger_execute() {
  25         local trigger="$1"
  26         shift
  27
  28         local environment=$@
  29
  30         if [ ! -x "${trigger}" ]; then
  31                 log WARNING "Trigger is not executable: ${trigger}"
  32                 return ${EXIT_ERROR}
  33         fi
  34
  35         log DEBUG "Executing trigger ${trigger}..."
  36         cmd_clean_environment ${environment} "${trigger}" &>/dev/null
  37         local ret=${?}
  38
  39         if [ ${ret} -ne ${EXIT_OK} ]; then
  40                 log WARNING "Trigger ${trigger} exited with exit code: ${ret}"
  41                 log WARNING "  Environment: ${environment}"
  42         fi
  43
  44         return ${ret}
  45 }
  46
  47 triggers_execute_all() {
  48         local action="${1}"
  49         shift
  50
  51         # Check if the action is valid
  52         assert list_match "${action}" ${TRIGGER_ACTIONS}
  53
  54         local environment=$@
  55
  56         # Check if the directory exists
  57         [ -d "${NETWORK_TRIGGERS_DIR}" ] || return ${EXIT_ERROR}
  58
  59         local trigger
  60         for trigger in ${NETWORK_TRIGGERS_DIR}/*; do
  61                 # Check if the trigger can be executed
  62                 if [ ! -x "${trigger}" ]; then
  63                         log DEBUG "Trigger is not executable: ${trigger}"
  64                         continue
  65                 fi
  66
  67                 # Execute the trigger
  68                 trigger_execute "${trigger}" ${environment} ACTION="${action}"
  69         done
  70
  71         return ${EXIT_OK}
  72 }