src/installer/execute-postinstall.sh

   1 #!/bin/sh
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2014  IPFire Team  <info@ipfire.org>                          #
   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 function download() {
  23         wget -U "IPFire-NetInstall/2.x" "$@"
  24 }
  25
  26 if [ $# -lt 2 ]; then
  27         echo "$0: Insufficient number of arguments" >&2
  28         exit 2
  29 fi
  30
  31 DESTINATION="${1}"
  32 DOWNLOAD_URL="${2}"
  33
  34 DOWNLOAD_TARGET="/tmp/post-install.exe"
  35
  36 if download -O "${DESTINATION}${DOWNLOAD_TARGET}" "${DOWNLOAD_URL}"; then
  37         echo "Downloading post-install script from ${DOWNLOAD_URL}..."
  38
  39         # Make it executable
  40         chmod a+x "${DESTINATION}${DOWNLOAD_TARGET}"
  41
  42         # Replace /etc/resolv.conf so that we will have
  43         cp -fb /etc/resolv.conf ${DESTINATION}/etc/resolv.conf
  44         for i in /dev /proc /sys; do
  45                 mount --bind "${i}" "${DESTINATION}${i}"
  46         done
  47
  48         # Execute the downloaded script
  49         chroot "${DESTINATION}" sh --login -c "${DOWNLOAD_TARGET}"
  50         retval=$?
  51
  52         # Cleanup the environment
  53         mv -f ${DESTINATION}/etc/resolv.conf{~,}
  54         for i in /dev /proc /sys; do
  55                 umount "${DESTINATION}${i}"
  56         done
  57         rm -f "${DESTINATION}${DOWNLOAD_TARGET}"
  58
  59         exit ${retval}
  60
  61 # In case the download failed
  62 else
  63         echo "Could not download the post-install script" >&2
  64         exit 1
  65 fi