functions.config

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2012  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 # Load all global configuration files.
  23 function config_read_globals() {
  24         network_config_read
  25         firewall_config_read
  26 }
  27
  28 function config_read() {
  29         local config_file=${1}
  30         assert isset config_file
  31
  32         if [ -e "${config_file}" ]; then
  33                 . ${config_file}
  34                 config_check
  35         fi
  36 }
  37
  38 function config_write() {
  39         local config_file=${1}
  40         assert isset config_file
  41         shift
  42
  43         # Check if all values to be written are sane
  44         config_check
  45
  46         log DEBUG "Writing configuration file ${config_file}."
  47
  48         mkdir -p $(dirname ${config_file}) 2>/dev/null
  49         > ${config_file}
  50
  51         local param
  52         for param in $(listsort $@); do
  53                 echo "${param}=\"${!param}\"" >> ${config_file}
  54         done
  55 }
  56
  57 function config_print() {
  58         local param
  59
  60         for param in $(listsort $@); do
  61                 printf "%-24s = %s\n" "${param}" "${!param}"
  62         done
  63 }
  64
  65 function config_check() {
  66         # If there is a function defined that is called __check
  67         # we call that function
  68         [ -n "$(type -t _check)" ] && _check
  69 }
  70
  71 function config_header() {
  72         local what=${1}
  73         assert isset what
  74
  75         # Print the header.
  76         echo "#"
  77         echo "# This is a ${what}."
  78         echo "# THIS FILE IS AUTOMATICALLY GENERATED AND WILL OVERWRITE"
  79         echo "# ANY CUSTOM CHANGES!"
  80         echo "#"
  81         echo "# $(date -u)"
  82         echo "#"
  83         echo
  84 }
  85
  86 function config_hostname() {
  87         local hostname=${1}
  88
  89         if [ -n "${hostname}" ]; then
  90                 echo "${hostname}" > ${CONFIG_HOSTNAME}
  91         else
  92                 echo "$(<${CONFIG_HOSTNAME})"
  93         fi
  94 }
  95
  96 function config_set() {
  97         while [ $# -gt 0 ]; do
  98                 case "${1}" in
  99                         *=*)
 100                                 log INFO "Setting configuration option '${1}'".
 101                                 eval ${1}
 102                                 ;;
 103                         *)
 104                                 warning "Invalid parameter given: ${1}"
 105                                 ;;
 106                 esac
 107                 shift
 108         done
 109 }
 110
 111 function network_config_read() {
 112         # Save state of DEBUG and restore it later.
 113         local debug=${DEBUG}
 114
 115         config_read ${NETWORK_CONFIG_FILE}
 116
 117         if [ -n "${debug}" ]; then
 118                 DEBUG=${debug}
 119         fi
 120 }
 121
 122 function network_config_write() {
 123         config_write ${NETWORK_CONFIG_FILE} ${NETWORK_CONFIG_FILE_PARAMS}
 124
 125         # Update DNS configuration.
 126         dns_generate_resolvconf
 127 }
 128
 129 function network_config_print() {
 130         config_print ${NETWORK_CONFIG_FILE_PARAMS}
 131 }
 132
 133 function firewall_config_read() {
 134         config_read ${FIREWALL_CONFIG_FILE}
 135 }
 136
 137 function firewall_config_write() {
 138         config_write ${FIREWALL_CONFIG_FILE} \
 139                 ${FIREWALL_CONFIG_PARAMS}
 140 }
 141
 142 function firewall_config_print() {
 143         config_print ${FIREWALL_CONFIG_PARAMS}
 144 }