#!/bin/sh

set -e

# set a root password so that we can later replace sudo with sudo-ldap
# see #1001858
passwd=$(getent shadow root|cut -f2 -d:)
passwd1=$(echo "$passwd" |cut -c1)
# Note: we do need the 'xfoo' syntax here, since POSIX special-cases
# the $passwd value '!' as negation.
if [ "x$passwd" = "x*" ] || [ "x$passwd1" = "x!" ]; then
  echo "root:rootpassword"  | chpasswd
fi

TESTNR="01"
BASEDIR="$(pwd)/debian/tests"
COMMONDIR="${BASEDIR}/common"
DIR="${BASEDIR}/${TESTNR}"
PATH="/bin:/usr/bin:/sbin:/usr/sbin"
ACCTA="test${TESTNR}a"
ACCTB="test${TESTNR}b"
PASSWD="test${TESTNR}23456"
HOMEDIRA="/home/${ACCTA}"
HOMEDIRB="/home/${ACCTB}"
LDIFDIR="${DIR}/ldif"

trap '
  deluser --remove-home "${ACCTA}" 2>/dev/null || true
  deluser --remove-home "${ACCTB}" 2>/dev/null || true
' 0 INT QUIT ABRT PIPE TERM

printf > /etc/hosts "127.0.1.1 %s\n" "$(hostname)"
cat /etc/hosts

printf "========= test %s\.1: account group member, correct password\n" "${TESTNR}"
deluser ${ACCTA} 2>/dev/null || true
adduser --disabled-password --home "${HOMEDIRA}" --gecos "" "${ACCTA}"
printf "%s:%s\n" "${ACCTA}" "${PASSWD}" | chpasswd
adduser "${ACCTA}" sudo
RET=0
printf "trying %s with correct password\n" "${ACCTA}"
su - "${ACCTA}" -c "${COMMONDIR}/asuser ${PASSWD}" || RET=$?
printf "%s with correct password, return value %s\n" "${ACCTA}" "${RET}"
if [ "$(cat ${HOMEDIRA}/stdout)" != "0" ]; then
  echo >&2 id -u did not give 0
    printf >&2 "stdout:\n"
  cat >&2 ${HOMEDIRA}/stdout
  printf >&2 "stderr:\n"
  cat >&2 ${HOMEDIRA}/stderr
  printf >&2 "exit code %s\n" "${RET}"
  printf >&2 "exit 1\n" "${RET}"
  exit 1
fi

printf "========= test %s\.2: account group member, wrong password\n" "${TESTNR}"
rm -f "${HOMEDIRA}/std*"
RET=0
printf "trying %s with wrong password\n" "${ACCTA}"
su - "${ACCTA}" -c "${COMMONDIR}/asuser wrongpasswd" || RET=$?
printf "%s with wrong password, return value %s\n" "${ACCTA}" "${RET}"
head -n-0 ${HOMEDIRA}/stdout ${HOMEDIRA}/stderr
printf -- "\n-------\n"
for string in "[sudo] password for ${ACCTA}" "Sorry, try again" "sudo: no password was provided" "sudo: 1 incorrect password attempt"; do
  if ! grep -F "${string}" ${HOMEDIRA}/stderr; then
    printf "%s missing in stderr output\n" "${string}"
    printf >&2 "stdout:\n"
    cat >&2 ${HOMEDIRA}/stdout
    printf >&2 "stderr:\n"
    cat >&2 ${HOMEDIRA}/stderr
    printf >&2 "\nexit code %s\n" "${RET}"
    printf >&2 -- "------\n exit 1\n"
    exit 1
  fi
done

printf "========= test %s\.3: account not group member, correct password\n" "${TESTNR}"
deluser ${ACCTB} 2>/dev/null || true
adduser --disabled-password --home "${HOMEDIRB}" --gecos "" "${ACCTB}"
printf "%s:%s\n" "${ACCTB}" "${PASSWD}" | chpasswd
RET=0
printf "trying %s (no sudo membership) with correct password\n" "${ACCTB}"
su - "${ACCTB}" -c "${COMMONDIR}/asuser ${PASSWD}" || RET=$?
printf "%s with correct password, return value %s\n" "${ACCTB}" "${RET}"
head -n-0 ${HOMEDIRB}/stdout ${HOMEDIRA}/stderr
printf -- "\n-------\n"
for string in "[sudo] password for ${ACCTB}" "${ACCTB} is not in the sudoers file"; do
  if ! grep -F "${string}" ${HOMEDIRB}/stderr; then
    printf "%s missing in stderr output\n" "${string}"
    printf >&2 "stdout:\n"
    cat >&2 ${HOMEDIRB}/stdout
    printf >&2 "stderr:\n"
    cat >&2 ${HOMEDIRB}/stderr
    printf >&2 "\nexit code %s\n" "${RET}"
    printf >&2 -- "------\n exit 1\n"
    exit 1
  fi
done

printf "test series sucessful, exit 0\n"
exit 0