Add tests for mknod(2).

Submitted by:	Jan Senolt <senoltj@centrum.cz>
Submitted by:	Milan Cermak <Milan.Cermak@Sun.COM>
Polished by:	pjd

tools/regression/fstest/tests/mknod/00.t

@@ -0,0 +1,73 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod creates fifo files"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..36"
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 mkdir ${n1} 0755
+cdir=`pwd`
+cd ${n1}
+
+# POSIX: The file permission bits of the new FIFO shall be initialized from
+# mode. The file permission bits of the mode argument shall be modified by the
+# process' file creation mask.
+expect 0 mknod ${n0} f 0755 0 0
+expect fifo,0755 lstat ${n0} type,mode
+expect 0 unlink ${n0}
+expect 0 mknod ${n0} f 0151 0 0
+expect fifo,0151 lstat ${n0} type,mode
+expect 0 unlink ${n0}
+expect 0 -U 077 mknod ${n0} f 0151 0 0
+expect fifo,0100 lstat ${n0} type,mode
+expect 0 unlink ${n0}
+expect 0 -U 070 mknod ${n0} f 0345 0 0
+expect fifo,0305 lstat ${n0} type,mode
+expect 0 unlink ${n0}
+expect 0 -U 0501 mknod ${n0} f 0345 0 0
+expect fifo,0244 lstat ${n0} type,mode
+expect 0 unlink ${n0}
+
+# POSIX: The FIFO's user ID shall be set to the process' effective user ID.
+# The FIFO's group ID shall be set to the group ID of the parent directory or to
+# the effective group ID of the process.
+expect 0 chown . 65535 65535
+expect 0 -u 65535 -g 65535 mknod ${n0} f 0755 0 0
+expect 65535,65535 lstat ${n0} uid,gid
+expect 0 unlink ${n0}
+expect 0 -u 65535 -g 65534 mknod ${n0} f 0755 0 0
+expect "65535,6553[45]" lstat ${n0} uid,gid
+expect 0 unlink ${n0}
+expect 0 chmod . 0777
+expect 0 -u 65534 -g 65533 mknod ${n0} f 0755 0 0
+expect "65534,6553[35]" lstat ${n0} uid,gid
+expect 0 unlink ${n0}
+
+# POSIX: Upon successful completion, mkfifo() shall mark for update the
+# st_atime, st_ctime, and st_mtime fields of the file. Also, the st_ctime and
+# st_mtime fields of the directory that contains the new entry shall be marked
+# for update.
+expect 0 chown . 0 0
+time=`${fstest} stat . ctime`
+sleep 1
+expect 0 mknod ${n0} f 0755 0 0
+atime=`${fstest} stat ${n0} atime`
+test_check $time -lt $atime
+mtime=`${fstest} stat ${n0} mtime`
+test_check $time -lt $mtime
+ctime=`${fstest} stat ${n0} ctime`
+test_check $time -lt $ctime
+mtime=`${fstest} stat . mtime`
+test_check $time -lt $mtime
+ctime=`${fstest} stat . ctime`
+test_check $time -lt $ctime
+expect 0 unlink ${n0}
+
+cd ${cdir}
+expect 0 rmdir ${n1}

tools/regression/fstest/tests/mknod/01.t

@@ -0,0 +1,18 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns ENOTDIR if a component of the path prefix is not a directory"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..5"
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 mkdir ${n0} 0755
+expect 0 create ${n0}/${n1} 0644
+expect ENOTDIR mknod ${n0}/${n1}/test f 0644 0 0
+expect 0 unlink ${n0}/${n1}
+expect 0 rmdir ${n0}

tools/regression/fstest/tests/mknod/02.t

@@ -0,0 +1,13 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns ENAMETOOLONG if a component of a pathname exceeded 255 characters"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..3"
+
+expect 0 mknod ${name255} f 0644 0 0
+expect 0 unlink ${name255}
+expect ENAMETOOLONG mknod ${name256} f 0644 0 0

tools/regression/fstest/tests/mknod/03.t

@@ -0,0 +1,21 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns ENAMETOOLONG if an entire path name exceeded 1023 characters"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..11"
+
+expect 0 mkdir ${name255} 0755				# 1
+expect 0 mkdir ${name255}/${name255} 0755		# 2
+expect 0 mkdir ${name255}/${name255}/${name255} 0755	# 3
+expect 0 mkdir ${path1021} 0755				# 4
+expect 0 mknod ${path1023} f 0644 0 0			# 5
+expect 0 unlink ${path1023}				# 6
+expect ENAMETOOLONG mknod ${path1024} f 0644 0 0	# 7
+expect 0 rmdir ${path1021}				# 8
+expect 0 rmdir ${name255}/${name255}/${name255}		# 9
+expect 0 rmdir ${name255}/${name255}			# 10
+expect 0 rmdir ${name255}				# 11

tools/regression/fstest/tests/mknod/04.t

@@ -0,0 +1,16 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mkfifo returns ENOENT if a component of the path prefix does not exist"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..3"
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 mkdir ${n0} 0755
+expect ENOENT mknod ${n0}/${n1}/test f 0644 0 0
+expect 0 rmdir ${n0}

tools/regression/fstest/tests/mknod/05.t

@@ -0,0 +1,29 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns EACCES when search permission is denied for a component of the path prefix"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..12"
+
+n0=`namegen`
+n1=`namegen`
+n2=`namegen`
+
+expect 0 mkdir ${n0} 0755
+cdir=`pwd`
+cd ${n0}
+expect 0 mkdir ${n1} 0755
+expect 0 chown ${n1} 65534 65534
+expect 0 -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 -u 65534 -g 65534 unlink ${n1}/${n2}
+expect 0 chmod ${n1} 0644
+expect EACCES -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 chmod ${n1} 0755
+expect 0 -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 -u 65534 -g 65534 unlink ${n1}/${n2}
+expect 0 rmdir ${n1}
+cd ${cdir}
+expect 0 rmdir ${n0}

tools/regression/fstest/tests/mknod/06.t

@@ -0,0 +1,29 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns EACCES when write permission is denied on the parent directory of the file to be created"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..12"
+
+n0=`namegen`
+n1=`namegen`
+n2=`namegen`
+
+expect 0 mkdir ${n0} 0755
+cdir=`pwd`
+cd ${n0}
+expect 0 mkdir ${n1} 0755
+expect 0 chown ${n1} 65534 65534
+expect 0 -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 -u 65534 -g 65534 unlink ${n1}/${n2}
+expect 0 chmod ${n1} 0555
+expect EACCES -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 chmod ${n1} 0755
+expect 0 -u 65534 -g 65534 mknod ${n1}/${n2} f 0644 0 0
+expect 0 -u 65534 -g 65534 unlink ${n1}/${n2}
+expect 0 rmdir ${n1}
+cd ${cdir}
+expect 0 rmdir ${n0}

tools/regression/fstest/tests/mknod/07.t

@@ -0,0 +1,19 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns ELOOP if too many symbolic links were encountered in translating the pathname"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..6"
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 symlink ${n0} ${n1}
+expect 0 symlink ${n1} ${n0}
+expect ELOOP mknod ${n0}/test f 0644 0 0
+expect ELOOP mknod ${n1}/test f 0644 0 0
+expect 0 unlink ${n0}
+expect 0 unlink ${n1}

tools/regression/fstest/tests/mknod/08.t

@@ -0,0 +1,35 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns EEXIST if the named file exists"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..18"
+
+n0=`namegen`
+
+expect 0 mkdir ${n0} 0755
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 rmdir ${n0}
+
+expect 0 create ${n0} 0644
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 unlink ${n0}
+
+expect 0 symlink test ${n0}
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 unlink ${n0}
+
+expect 0 mkfifo ${n0} 0644
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 unlink ${n0}
+
+expect 0 bind ${n0}
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 unlink ${n0}
+
+expect 0 mknod ${n0} f 0644 0 0
+expect EEXIST mknod ${n0} f 0644 0 0
+expect 0 unlink ${n0}

tools/regression/fstest/tests/mknod/09.t

@@ -0,0 +1,64 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns EPERM if the parent directory of the file to be created has its immutable flag set"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+require chflags
+
+case "${os}:${fs}" in
+FreeBSD:UFS)
+	echo "1..30"
+	;;
+*)
+	echo "1..17"
+	;;
+esac
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 mkdir ${n0} 0755
+
+expect 0 mknod ${n0}/${n1} f 0644 0 0
+expect 0 unlink ${n0}/${n1}
+
+expect 0 chflags ${n0} SF_IMMUTABLE
+expect EPERM mknod ${n0}/${n1} f 0644 0 0
+expect 0 chflags ${n0} none
+expect 0 mknod ${n0}/${n1} f 0644 0 0
+expect 0 unlink ${n0}/${n1}
+
+expect 0 chflags ${n0} SF_APPEND
+expect 0 mknod ${n0}/${n1} f 0644 0 0
+expect 0 chflags ${n0} none
+expect 0 unlink ${n0}/${n1}
+
+expect 0 chflags ${n0} SF_NOUNLINK
+expect 0 mknod ${n0}/${n1} f 0644 0 0
+expect 0 unlink ${n0}/${n1}
+expect 0 chflags ${n0} none
+
+case "${os}:${fs}" in
+FreeBSD:UFS)
+	expect 0 chflags ${n0} UF_IMMUTABLE
+	expect EPERM mknod ${n0}/${n1} f 0644 0 0
+	expect 0 chflags ${n0} none
+	expect 0 mknod ${n0}/${n1} f 0644 0 0
+	expect 0 unlink ${n0}/${n1}
+
+	expect 0 chflags ${n0} UF_APPEND
+	expect 0 mknod ${n0}/${n1} f 0644 0 0
+	expect 0 chflags ${n0} none
+	expect 0 unlink ${n0}/${n1}
+
+	expect 0 chflags ${n0} UF_NOUNLINK
+	expect 0 mknod ${n0}/${n1} f 0644 0 0
+	expect 0 unlink ${n0}/${n1}
+	expect 0 chflags ${n0} none
+	;;
+esac
+
+expect 0 rmdir ${n0}

tools/regression/fstest/tests/mknod/10.t

@@ -0,0 +1,12 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod returns EFAULT if the path argument points outside the process's allocated address space"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+echo "1..2"
+
+expect EFAULT mknod NULL f 0644 0 0
+expect EFAULT mknod DEADCODE f 0644 0 0

tools/regression/fstest/tests/mknod/11.t

@@ -0,0 +1,79 @@
+#!/bin/sh
+# $FreeBSD$
+
+desc="mknod creates device files"
+
+dir=`dirname $0`
+. ${dir}/../misc.sh
+
+case "${os}" in
+SunOS)
+	echo "1..40"
+        ;;
+*)
+	echo "1..28"
+	;;
+esac
+
+n0=`namegen`
+n1=`namegen`
+
+expect 0 mkdir ${n1} 0755
+cdir=`pwd`
+cd ${n1}
+
+for type in c b; do
+	case "${type}" in
+	c)
+		stattype="char"
+		;;
+	b)
+		stattype="block"
+		;;
+	esac
+
+	# Create char special with old-style numbers
+	expect 0 mknod ${n0} ${type} 0755 1 2
+	expect ${stattype},0755 lstat ${n0} type,mode
+	expect 1,2 lstat ${n0} major,minor
+	expect EEXIST mknod ${n0} ${type} 0777 3 4
+	expect 0 unlink ${n0}
+
+	case "${os}" in
+	SunOS)
+		# Create char special with new-style numbers
+		expect 0 mknod ${n0} ${type} 0755 4095 4095
+		expect ${stattype},0755 lstat ${n0} type,mode
+		expect 4095,4095 lstat ${n0} major,minor
+		expect EEXIST mknod ${n0} ${type} 0777 4000 4000
+		expect 0 unlink ${n0}
+
+		# mknod returns EINVAL if device's numbers are too big
+		# for 32-bit solaris !!
+		expect EINVAL mknod ${n0} ${type} 0755 4096 262144
+	        ;;
+	esac
+
+	# POSIX: Upon successful completion, mknod(2) shall mark for update the
+	# st_atime, st_ctime, and st_mtime fields of the file. Also, the st_ctime and
+	# st_mtime fields of the directory that contains the new entry shall be marked
+	# for update.
+	expect 0 chown . 0 0
+	time=`${fstest} stat . ctime`
+	sleep 1
+	expect 0 mknod ${n0} ${type} 0755 1 2
+	atime=`${fstest} stat ${n0} atime`
+	test_check $time -lt $atime
+	mtime=`${fstest} stat ${n0} mtime`
+	test_check $time -lt $mtime
+	ctime=`${fstest} stat ${n0} ctime`
+	test_check $time -lt $ctime
+	mtime=`${fstest} stat . mtime`
+	test_check $time -lt $mtime
+	ctime=`${fstest} stat . ctime`
+	test_check $time -lt $ctime
+	expect 0 unlink ${n0}
+done
+
+cd ${cdir}
+expect 0 rmdir ${n1}