Synnefo » snf-image

#! /bin/bash

# Copyright (C) 2011 GRNET S.A. 

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

# 02110-1301, USA.

### BEGIN TASK INFO

# Provides:		ChangePassword

# RunBefore:            UmountImage

# RunAfter:		InstallUnattend

# Short-Description:	Changes Password for specified users

### END TASK INFO

set -e

. "@commondir@/common.sh"

# Check if the task should be prevented from running.

check_if_excluded

windows_password() {

    local target="$1"

    local password="$2"

    echo "@echo off" > "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"

    if [ -z "$SNF_IMAGE_PROPERTY_USERS" ]; then

        SNF_IMAGE_PROPERTY_USERS="Administrator"

    fi

    for usr in $SNF_IMAGE_PROPERTY_USERS; do

        echo -n "Installing new password for user \`$usr'..."

        echo "net user $usr $password" >> \

            "$target/Windows/SnfScripts/ChangeAdminPassword.cmd"

        echo done

    done

}

linux_password() {

    local target="$1"

    local password="$2"

    local hash=$("@scriptsdir@/snf-passtohash.py" "$password")

    if [ ! -e "$target/etc/shadow" ]; then

       log_error "No /etc/shadow found!" 

    fi

    declare -a users

    if [ -n "$SNF_IMAGE_PROPERTY_USERS" ]; then

        for usr in $SNF_IMAGE_PROPERTY_USERS; do

            users+=("$usr")

        done

    else

        users+=("root")

        local distro=$(get_distro $target)

        if [ "x$distro" = "xubuntu" -o \

             "x$distro" = "xfedora" ] ; then

            users+=("user")

        fi

    fi

    for i in $(seq 0 1 $((${#users[@]}-1))); do

        local tmp_shadow="$(mktemp)"

        add_cleanup rm "$tmp_shadow"

        echo -n "Setting ${users[$i]} password..."

        echo "${users[$i]}:$hash:15103:0:99999:7:::" > "$tmp_shadow"

        grep -v "${users[$i]}" "$target/etc/shadow" >> "$tmp_shadow"

        cat "$tmp_shadow" > "$target/etc/shadow"

        echo "done"

    done

}

if [ ! -d "$SNF_IMAGE_TARGET" ]; then

    log_error "Target dir: \`$SNF_IMAGE_TARGET' is missing"

fi

if [ -z "$SNF_IMAGE_PASSWORD" ]; then

    log_error "Password is missing"

fi

#trim users var

SNF_IMAGE_PROPERTY_USERS=$(echo $SNF_IMAGE_PROPERTY_USERS)

if [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "windows" ]; then

    windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"

elif [ "$SNF_IMAGE_PROPERTY_OSFAMILY" = "linux" ]; then

    linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"

fi

exit 0

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