#!/bin/sh

set -e

cd $(dirname $0)

. ../../../common/config.sh
. ../../../common/log.sh

log_start "$0" "groupmod reports failure to unlock /etc/passwd"

save_config

# restore the files on exit
trap 'log_status "$0" "FAILURE"; restore_config' 0

change_config

echo -n "Change UID of foo to 1001 (usermod -u 1001 foo)..."
LD_PRELOAD=../../../common/unlink_failure.so FAILURE_PATH=/etc/passwd.lock usermod -u 1001 foo 2>tmp/usermod.err
echo "OK"

echo "usermod reported:"
echo "======================================================================="
cat tmp/usermod.err
echo "======================================================================="
echo -n "Check that there were a failure message..."
diff -au data/usermod.err tmp/usermod.err
echo "error message OK."
rm -f tmp/usermod.err

echo -n "Check the passwd file..."
../../../common/compare_file.pl data/passwd /etc/passwd
echo "OK"
echo -n "Check the group file..."
../../../common/compare_file.pl data/group /etc/group
echo "OK"
echo -n "Check the shadow file..."
../../../common/compare_file.pl data/shadow /etc/shadow
echo "OK"
echo -n "Check the gshadow file..."
../../../common/compare_file.pl data/gshadow /etc/gshadow
echo "OK"

rm -f /etc/passwd.lock

log_status "$0" "SUCCESS"
restore_config
trap '' 0