#!/bin/sh

set -e

cd $(dirname $0)

# Rational:
# Test chage options

# no testsuite password
# root password: rootF00barbaz
# myuser password: myuserF00barbaz

save()
{
	[ ! -d tmp ] && mkdir tmp
	for i in passwd group shadow gshadow shells
	do
		[ -f /etc/$i  ] && cp /etc/$i  tmp/$i
		[ -f /etc/$i- ] && cp /etc/$i- tmp/$i-
	done

	true
}

restore()
{
	for i in passwd group shadow gshadow shells
	do
		[ -f tmp/$i  ] && cp tmp/$i  /etc/$i  && rm tmp/$i
		[ -f tmp/$i- ] && cp tmp/$i- /etc/$i- && rm tmp/$i-
	done
	rm -f tmp/out
	rm -f tmp/shell tmp/sh:ell
	rmdir tmp
}

save

# restore the files on exit
trap 'if [ "$?" != "0" ]; then echo "FAIL"; fi; restore' 0

for i in passwd group shadow gshadow shells
do
	cp data/$i /etc
done

echo -n "changing to a restricted shell, by root..."
cp /bin/bash tmp/shell
chsh -s $(pwd)/tmp/shell myuser
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:"$(pwd)"/tmp/shell" ] || exit 1
echo "OK"

echo -n "changing from a restricted shell, by myuser..."
su myuser -c "chsh -s /bin/bash" 2> tmp/out && exit 1
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:"$(pwd)"/tmp/shell" ] || exit 1
diff -au data/chsh1 tmp/out
echo "OK"

echo -n "changing from a restricted shell, by root..."
chsh -s /bin/bash myuser
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
echo "OK"

# Need to be done by expect now (chage asks for a passwd if not root)
#echo -n "changing to a restricted shell, by myuser..."
#su myuser -c "chsh -s $(pwd)/tmp/shell" 2> tmp/out && exit 1
#ent=$(getent passwd myuser)
#[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
#grep "/tmp/shell is an invalid shell." tmp/out > /dev/null
#[ $(wc -l tmp/out| cut -d" " -f1) = "1" ] || exit 1
#echo "OK"

#echo -n "changing to a new valid shell, by myuser..."
#echo $(pwd)/tmp/shell >> /tmp/shells
#su myuser -c "chsh -s $(pwd)/tmp/shell" 2> tmp/out && exit 1
#ent=$(getent passwd myuser)
#[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
#grep "/tmp/shell is an invalid shell." tmp/out > /dev/null
#[ $(wc -l tmp/out| cut -d" " -f1) = "1" ] || exit 1
#echo "OK"

echo -n "changing another user's shell..."
su myuser -c "chsh -s /bin/sh myuser2" 2> tmp/out && exit 1
ent=$(getent passwd myuser2)
[ "$ent" = "myuser2:x:424243:424242::/home:/bin/sh" ] || exit 1
diff -au data/chsh2 tmp/out
echo "OK"

#echo -n "changing to a non-executable shell..."
#chmod a-x tmp/shell
#su myuser -c "chsh -s $(pwd)/tmp/shell myuser" 2> tmp/out && exit 1
#ent=$(getent passwd myuser)
#[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
#grep "/tmp/shell is an invalid shell." tmp/out > /dev/null
#[ $(wc -l tmp/out| cut -d" " -f1) = "1" ] || exit 1
#echo "OK"

echo -n "changing to an invalid shell name..."
cp /bin/bash tmp/sh:ell
echo $(pwd)/tmp/sh:ell >> /etc/shells
chsh -s $(pwd)/tmp/sh:ell myuser 2> tmp/out && exit 1
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
egrep "chsh: Invalid entry: .*/tmp/sh:ell" tmp/out > /dev/null
[ $(wc -l tmp/out| cut -d" " -f1) = "1" ] || exit 1
echo "OK"

echo "testing the interactive mode (1)..."
rm -f tmp/out
./run.exp /bin/bash myuser
[ -f tmp/out ] && exit 1
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
echo "OK"

#echo "testing the interactive mode (2)..."
#rm -f tmp/out
#su myuser -c "./run.exp /bin/bash"
#[ -f tmp/out ] && exit 1
#ent=$(getent passwd myuser)
#[ "$ent" = "myuser:x:424242:424242::/home:/bin/bash" ] || exit 1
#echo "OK"

echo "testing the interactive mode (3)..."
rm -f tmp/out
./run.exp /bin/sh myuser
[ -f tmp/out ] && exit 1
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:/bin/sh" ] || exit 1
echo "OK"

echo "testing the interactive mode (4)..."
rm -f tmp/out
./run.exp $(pwd)/tmp/sh:ell myuser && exit 1
egrep "chsh: Invalid entry: .*/tmp/sh:ell" tmp/out > /dev/null
ent=$(getent passwd myuser)
[ "$ent" = "myuser:x:424242:424242::/home:/bin/sh" ] || exit 1
echo "OK"