code.grnet.gr Git - snf-image/blob - snf-image-helper/tasks/50ChangePassword.in

   1 #! /bin/bash
   2
   3 # Copyright (C) 2011 GRNET S.A.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18 # 02110-1301, USA.
  19
  20 ### BEGIN TASK INFO
  21 # Provides:             ChangePassword
  22 # RunBefore:            UmountImage
  23 # RunAfter:             InstallUnattend
  24 # Short-Description:    Changes Password for specified users
  25 ### END TASK INFO
  26
  27 set -e
  28 . "@commondir@/common.sh"
  29
  30 trap task_cleanup EXIT
  31 report_task_start
  32
  33 # Check if the task should be prevented from running.
  34 check_if_excluded
  35
  36 windows_password() {
  37     local target="$1"
  38     local password="$2"
  39
  40     echo "@echo off" > "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  41
  42     if [ -z "$SNF_IMAGE_PROPERTY_USERS" ]; then
  43         SNF_IMAGE_PROPERTY_USERS="Administrator"
  44     fi
  45
  46     for usr in $SNF_IMAGE_PROPERTY_USERS; do
  47         echo -n "Installing new password for user \`$usr'..."
  48         echo "net user $usr $password" >> \
  49             "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  50         echo done
  51     done
  52 }
  53
  54 linux_password() {
  55     local target="$1"
  56     local password="$2"
  57
  58     local hash=$("@scriptsdir@/snf-passtohash.py" "$password")
  59     if [ ! -e "$target/etc/shadow" ]; then
  60        log_error "No /etc/shadow found!"
  61     fi
  62
  63     declare -a users
  64
  65     if [ -n "$SNF_IMAGE_PROPERTY_USERS" ]; then
  66         for usr in $SNF_IMAGE_PROPERTY_USERS; do
  67             users+=("$usr")
  68         done
  69     else
  70         users+=("root")
  71
  72         local distro=$(get_distro $target)
  73
  74         if [ "x$distro" = "xubuntu" -o \
  75              "x$distro" = "xfedora" ] ; then
  76             users+=("user")
  77         fi
  78     fi
  79
  80     for i in $(seq 0 1 $((${#users[@]}-1))); do
  81         local tmp_shadow="$(mktemp)"
  82         add_cleanup rm "$tmp_shadow"
  83
  84         echo -n "Setting ${users[$i]} password..."
  85
  86         echo "${users[$i]}:$hash:15103:0:99999:7:::" > "$tmp_shadow"
  87         grep -v "${users[$i]}" "$target/etc/shadow" >> "$tmp_shadow"
  88         cat "$tmp_shadow" > "$target/etc/shadow"
  89         echo "done"
  90     done
  91 }
  92
  93 if [ ! -d "$SNF_IMAGE_TARGET" ]; then
  94     log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"
  95 fi
  96
  97 if [ -z "$SNF_IMAGE_PASSWORD" ]; then
  98     log_error "Password is missing"
  99 fi
 100
 101 #trim users var
 102 SNF_IMAGE_PROPERTY_USERS=$(echo $SNF_IMAGE_PROPERTY_USERS)
 103
 104 if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "windows" ]; then
 105     windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 106 elif [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "linux" ]; then
 107     linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 108 fi
 109
 110 exit 0
 111
 112 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
 113