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 # Check if the task should be prevented from running.
  31 check_if_excluded
  32
  33 windows_password() {
  34     local target="$1"
  35     local password="$2"
  36
  37     echo "@echo off" > "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  38
  39     if [ -z "$SNF_IMAGE_PROPERTY_USERS" ]; then
  40         SNF_IMAGE_PROPERTY_USERS="Administrator"
  41     fi
  42
  43     for usr in $SNF_IMAGE_PROPERTY_USERS; do
  44         echo -n "Installing new password for user \`$usr'..."
  45         echo "net user $usr $password" >> \
  46             "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  47         echo done
  48     done
  49 }
  50
  51 linux_password() {
  52     local target="$1"
  53     local password="$2"
  54
  55     local hash=$("@scriptsdir@/snf-passtohash.py" "$password")
  56     if [ ! -e "$target/etc/shadow" ]; then
  57        log_error "No /etc/shadow found!"
  58     fi
  59
  60     declare -a users
  61
  62     if [ -n "$SNF_IMAGE_PROPERTY_USERS" ]; then
  63         for usr in $SNF_IMAGE_PROPERTY_USERS; do
  64             users+=("$usr")
  65         done
  66     else
  67         users+=("root")
  68
  69         local distro=$(get_distro $target)
  70
  71         if [ "x$distro" = "xubuntu" -o \
  72              "x$distro" = "xfedora" ] ; then
  73             users+=("user")
  74         fi
  75     fi
  76
  77     for i in $(seq 0 1 $((${#users[@]}-1))); do
  78         local tmp_shadow="$(mktemp)"
  79         add_cleanup rm "$tmp_shadow"
  80
  81         echo -n "Setting ${users[$i]} password..."
  82
  83         echo "${users[$i]}:$hash:15103:0:99999:7:::" > "$tmp_shadow"
  84         grep -v "${users[$i]}" "$target/etc/shadow" >> "$tmp_shadow"
  85         cat "$tmp_shadow" > "$target/etc/shadow"
  86         echo "done"
  87     done
  88 }
  89
  90 if [ ! -d "$SNF_IMAGE_TARGET" ]; then
  91     log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"
  92 fi
  93
  94 if [ -z "$SNF_IMAGE_PASSWORD" ]; then
  95     log_error "Password is missing"
  96 fi
  97
  98 #trim users var
  99 SNF_IMAGE_PROPERTY_USERS=$(echo $SNF_IMAGE_PROPERTY_USERS)
 100
 101 if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "windows" ]; then
 102     windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 103 elif [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "linux" ]; then
 104     linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 105 fi
 106
 107 echo "done"
 108
 109 exit 0
 110
 111 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
 112