Synnefo » snf-image

#! /bin/bash

### BEGIN TASK INFO

# Provides:		ChangePassword

# RunBefore:            UmountImage

# RunAfter:		InstallUnattend

# Short-Description:	Changes Password for specified users

### END TAST INFO

set -e

. "@commondir@/common.sh"

windows_password() {

    local target="$1"

    local password="$2"

    local tmp_unattend="$(mktemp)"

    add_cleanup rm "$tmp_unattend"

    echo -n "Installing new admin password..."

    local namespace="urn:schemas-microsoft-com:unattend"

    "$XMLSTARLET" ed -N x=$namespace -u "/x:unattend/x:settings/x:component/x:UserAccounts/x:AdministratorPassword/x:Value" -v "$password" "$target/Unattend.xml" > "$tmp_unattend"

    cat "$tmp_unattend" > "$target/Unattend.xml"

    echo 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=("root")

    local distro=$(get_distro $target)

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

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

        users+=("user")

    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

if [ "$SNF_IMAGE_TYPE" = "ntfsdump" ]; then

    windows_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"

elif [ "$SNF_IMAGE_TYPE" = "extdump" ]; then

    linux_password "$SNF_IMAGE_TARGET" "$SNF_IMAGE_PASSWORD"

fi

echo "done"

cleanup

trap - EXIT

exit 0

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