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

   1 #! /bin/bash
   2
   3 ### BEGIN TASK INFO
   4 # Provides:             ChangePassword
   5 # RunBefore:            UmountImage
   6 # RunAfter:             InstallUnattend
   7 # Short-Description:    Changes Password for specified users
   8 ### END TAST INFO
   9
  10 set -e
  11 . @commondir@/common.sh
  12
  13 windows_password() {
  14     local target=$1
  15     local password=$2
  16
  17     local tmp_unattend=`mktemp` || exit 1
  18     CLEANUP+=("rm $tmp_unattend")
  19
  20     echo -n "Installing new admin password..."
  21
  22     local namespace="urn:schemas-microsoft-com:unattend"
  23
  24     $XMLSTARLET ed -N x=$namespace -u "/x:unattend/x:settings/x:component/x:UserAccounts/x:AdministratorPassword/x:Value" -v $password "$target/Unattend.xml" > $tmp_unattend
  25
  26     cat $tmp_unattend > "$target/Unattend.xml"
  27     echo done
  28 }
  29
  30 linux_password() {
  31     local target=$1
  32     local password=$2
  33
  34     local hash=$(@scriptsdir@/snf-passtohash.py $password)
  35     if [ ! -e ${target}/etc/shadow ]; then
  36        log_error "No /etc/shadow found!"
  37     fi
  38
  39     declare -a users=("root")
  40
  41     local distro=$(get_distro $target)
  42
  43     if [ "x$disto" = "xubuntu" -o \
  44          "x$disto" = "xfedora" ] ; then
  45         users+=("user")
  46     fi
  47
  48     for i in $(seq 0 1 $((${#users[@]}-1))); do
  49         local tmp_shadow=$(mktemp)
  50         CLEANUP+=("rm $tmp_shadow")
  51
  52         echo -n "Setting ${users[$i]} password..."
  53
  54         echo "${users[$i]}:$hash:15103:0:99999:7:::" > $tmp_shadow
  55         grep -v "${users[$i]}" ${TARGET}/etc/shadow >> $tmp_shadow
  56         cat $tmp_shadow > ${target}/etc/shadow
  57         echo "done"
  58     done
  59 }
  60
  61 if [ ! -d "$SNF_IMAGE_TARGET" ]; then
  62     log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"
  63 fi
  64
  65 if [ -z "$SNF_IMAGE_PASSWORD" ]; then
  66     log_error "Password is missing"
  67 fi
  68
  69 if [ "$SNF_IMAGE_TYPE" = "ntfsdump" ]; then
  70     windows_password $SNF_IMAGE_TARGET $SNF_IMAGE_PASSWORD
  71 elif [ "$SNF_IMAGE_TYPE" = "extdump" ]; then
  72     linux_password $SNF_IMAGE_TARGET $SNF_IMAGE_PASSWORD
  73 fi
  74
  75 echo "done"
  76
  77 cleanup
  78 trap - EXIT
  79
  80 exit 0
  81
  82 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
  83