#!/bin/sh
# $FreeBSD$

desc="rename returns EACCES or EPERM if the file pointed at by the 'to' argument exists, the directory containing 'to' is marked sticky, and neither the containing directory nor 'to' are owned by the effective user ID"

dir=`dirname $0`
. ${dir}/../misc.sh

echo "1..2099"

n0=`namegen`
n1=`namegen`
n2=`namegen`
n3=`namegen`
n4=`namegen`

expect 0 mkdir ${n4} 0755
cdir=`pwd`
cd ${n4}

expect 0 mkdir ${n0} 0755
expect 0 chown ${n0} 65534 65534

expect 0 mkdir ${n1} 0755
expect 0 chmod ${n1} 01777

for type in regular fifo block char socket symlink; do
	# User owns both: the sticky directory and the destination file.
	expect 0 chown ${n1} 65534 65534
	create_file ${type} ${n0}/${n2} 65534 65534
	inode=`${fstest} lstat ${n0}/${n2} inode`

	for type in regular fifo block char socket symlink; do
		create_file ${type} ${n1}/${n3} 65534 65534
		expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
		expect ENOENT lstat ${n0}/${n2} inode
		expect ${inode} lstat ${n1}/${n3} inode
		expect 0 -u 65534 -g 65534 rename ${n1}/${n3} ${n0}/${n2}
		expect ${inode} lstat ${n0}/${n2} inode
		expect ENOENT lstat ${n1}/${n3} inode
	done

	expect 0 unlink ${n0}/${n2}

	# User owns the sticky directory, but doesn't own the destination file.
	for id in 0 65533; do
		expect 0 chown ${n1} 65534 65534
		create_file ${type} ${n0}/${n2} 65534 65534
		inode=`${fstest} lstat ${n0}/${n2} inode`

		for type in regular fifo block char socket symlink; do
			create_file ${type} ${n1}/${n3} ${id} ${id}
			expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
			expect ENOENT lstat ${n0}/${n2} inode
			expect ${inode} lstat ${n1}/${n3} inode
			expect 0 -u 65534 -g 65534 rename ${n1}/${n3} ${n0}/${n2}
			expect ${inode} lstat ${n0}/${n2} inode
			expect ENOENT lstat ${n1}/${n3} inode
		done

		expect 0 unlink ${n0}/${n2}
	done

	# User owns the destination file, but doesn't own the sticky directory.
	for id in 0 65533; do
		expect 0 chown ${n1} ${id} ${id}
		create_file ${type} ${n0}/${n2} 65534 65534
		inode=`${fstest} lstat ${n0}/${n2} inode`

		for type in regular fifo block char socket symlink; do
			create_file ${type} ${n1}/${n3} 65534 65534
			expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
			expect ENOENT lstat ${n0}/${n2} inode
			expect ${inode} lstat ${n1}/${n3} inode
			expect 0 -u 65534 -g 65534 rename ${n1}/${n3} ${n0}/${n2}
			expect ${inode} lstat ${n0}/${n2} inode
			expect ENOENT lstat ${n1}/${n3} inode
		done

		expect 0 unlink ${n0}/${n2}
	done

	# User doesn't own the sticky directory nor the destination file.
	for id in 0 65533; do
		expect 0 chown ${n1} ${id} ${id}
		create_file ${type} ${n0}/${n2} 65534 65534
		inode=`${fstest} lstat ${n0}/${n2} inode`

		for type in regular fifo block char socket symlink; do
			create_file ${type} ${n1}/${n3} ${id} ${id}
			expect "EACCES|EPERM" -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
			expect ${inode} lstat ${n0}/${n2} inode
			expect ${id},${id} lstat ${n1}/${n3} uid,gid
			expect 0 unlink ${n1}/${n3}
		done

		expect 0 unlink ${n0}/${n2}
	done
done

# User owns both: the sticky directory and the destination directory.
expect 0 chown ${n1} 65534 65534
expect 0 -u 65534 -g 65534 mkdir ${n0}/${n2} 0755
inode=`${fstest} lstat ${n0}/${n2} inode`

expect 0 -u 65534 -g 65534 mkdir ${n1}/${n3} 0755
expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
expect ENOENT lstat ${n0}/${n2} type
expect ${inode} lstat ${n1}/${n3} inode
expect 0 rmdir ${n1}/${n3}

# User owns the sticky directory, but doesn't own the destination directory.
for id in 0 65533; do
	expect 0 chown ${n1} 65534 65534
	expect 0 -u 65534 -g 65534 mkdir ${n0}/${n2} 0755
	inode=`${fstest} lstat ${n0}/${n2} inode`

	expect 0 -u ${id} -g ${id} mkdir ${n1}/${n3} 0755
	expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
	expect ENOENT lstat ${n0}/${n2} type
	expect ${inode} lstat ${n1}/${n3} inode
	expect 0 rmdir ${n1}/${n3}
done

# User owns the destination directory, but doesn't own the sticky directory.
for id in 0 65533; do
	expect 0 chown ${n1} ${id} ${id}
	expect 0 -u 65534 -g 65534 mkdir ${n0}/${n2} 0755
	inode=`${fstest} lstat ${n0}/${n2} inode`

	expect 0 -u 65534 -g 65534 mkdir ${n1}/${n3} 0755
	expect 0 -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
	expect ENOENT lstat ${n0}/${n2} type
	expect ${inode} lstat ${n1}/${n3} inode
	expect 0 rmdir ${n1}/${n3}
done

# User doesn't own the sticky directory nor the destination directory.
for id in 0 65533; do
	expect 0 chown ${n1} ${id} ${id}
	expect 0 -u 65534 -g 65534 mkdir ${n0}/${n2} 0755
	inode=`${fstest} lstat ${n0}/${n2} inode`

	expect 0 -u ${id} -g ${id} mkdir ${n1}/${n3} 0755
	expect "EACCES|EPERM" -u 65534 -g 65534 rename ${n0}/${n2} ${n1}/${n3}
	expect ${inode} lstat ${n0}/${n2} inode
	expect ${id},${id} lstat ${n1}/${n3} uid,gid
	expect 0 rmdir ${n0}/${n2}
	expect 0 rmdir ${n1}/${n3}
done

expect 0 rmdir ${n1}
expect 0 rmdir ${n0}

cd ${cdir}
expect 0 rmdir ${n4}