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:            EnforcePersonality
  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 password
  38     target="$1"
  39     password="$2"
  40
  41     echo "@echo off" > "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  42
  43     if [ -z "$SNF_IMAGE_PROPERTY_USERS" ]; then
  44         warn "Image property \`USERS' is missing or empty. " \
  45             "Changing the password for default user: \`Administrator'."
  46
  47         SNF_IMAGE_PROPERTY_USERS="Administrator"
  48     fi
  49
  50     for usr in $SNF_IMAGE_PROPERTY_USERS; do
  51         echo -n "Installing new password for user \`$usr'..."
  52         echo "net user $usr $password" >> \
  53             "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"
  54         echo done
  55     done
  56 }
  57
  58 linux_password() {
  59     local target password hash users tmp_shadow
  60     target="$1"
  61     password="$2"
  62
  63     hash=$("@scriptsdir@/snf-passtohash.py" "$password")
  64     if [ ! -e "$target/etc/shadow" ]; then
  65        log_error "No /etc/shadow found!"
  66     fi
  67
  68     users=()
  69
  70     if [ -n "$SNF_IMAGE_PROPERTY_USERS" ]; then
  71         for usr in $SNF_IMAGE_PROPERTY_USERS; do
  72             users+=("$usr")
  73         done
  74     else
  75         warn "Image property \`USERS' is missing or empty. " \
  76             "Changing the password for default user: \`root'."
  77         users+=("root")
  78     fi
  79
  80     for i in $(seq 0 1 $((${#users[@]}-1))); do
  81         tmp_shadow="$(mktemp)"
  82         add_cleanup rm "$tmp_shadow"
  83
  84         echo -n "Setting ${users[$i]} password..."
  85         if ! grep "^${users[$i]}:" "$target/etc/shadow" > /dev/null; then
  86             log_error "User: \`${users[$i]}' does not exist."
  87         fi
  88
  89         echo "${users[$i]}:$hash:15103:0:99999:7:::" > "$tmp_shadow"
  90         grep -v "${users[$i]}" "$target/etc/shadow" >> "$tmp_shadow"
  91         cat "$tmp_shadow" > "$target/etc/shadow"
  92         echo "done"
  93     done
  94 }
  95
  96 if [ ! -d "$SNF_IMAGE_TARGET" ]; then
  97     log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"
  98 fi
  99
 100 if [ -z "$SNF_IMAGE_PASSWORD" ]; then
 101     log_error "Password is missing"
 102 fi
 103
 104 #trim users var
 105 SNF_IMAGE_PROPERTY_USERS=$(echo $SNF_IMAGE_PROPERTY_USERS)
 106
 107 if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "windows" ]; then
 108     windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 109 elif [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "linux" ]; then
 110     linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"
 111 fi
 112
 113 exit 0
 114
 115 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
 116