apfstests/common.quota

##/bin/sh
#
# Functions useful for quota tests
# 
# Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
# 
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA  94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#

# 
# checks that the XFS quota support in the kernel is enabled
# and that we have valid quota user tools installed.
# 
_require_quota()
{
    src/feature -q $TEST_DEV
    [ $? -ne 0 ] && _notrun "Installed kernel does not support XFS quota"

    if [ "$HOSTOS" = "IRIX" ]; then 
	[ ! -x /usr/etc/quotaon ] && _notrun "Quota user tools not installed"
    else
	[ ! -x /sbin/quotaon ] && _notrun "Quota user tools not installed"

	/sbin/quotaon -x 2>&1 | grep "option requires an argument -- x" >/dev/null
	[ $? -ne 0 ] && _notrun "Installed quota tools do not support XFS"
    fi
}

# create a file as a specific user (uid)
# takes filename, id, type (u/g), blocksize, blockcount
# 
_file_as_id()
{
    [ $# != 5 ] && _notrun "broken call to _file_as_id in test $seq"

    if [ $3 = u ]
    then
	magik='$>'	# perlspeak for effective uid
    elif [ $3 = g ]
    then
	magik='$)'	# perlspeak for effective gid
    else
	_notrun "broken type in call to _file_as_id in test $seq"
    fi

    perl <<EOF >/dev/null 2>&1
	\$| = 1;
	$magik = $2;
	exec "dd if=/dev/zero of=$1 bs=$4 count=$5";
EOF
# for debugging the above euid change, try... [need write in cwd]
#	exec "dd if=/dev/zero of=$1 bs=$4 count=$5 >>$seq.full 2>&1";
}

_choose_uid()
{
    perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }' \
	/etc/passwd
}

_choose_gid()
{
    perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }' \
	/etc/group
}

_filter_repquota()
{
    head -$1 | perl -ne "
	s/^(\w+)\s+([-|+])/[NAME]    \2/g;
	s($SCRATCH_DEV)([DEVICE])g;
	print"
}

_qmount()
{
    umount $SCRATCH_DEV >/dev/null 2>&1
    _scratch_mount || _fail "qmount failed"
    chmod ugo+rwx $SCRATCH_MNT
    [ -x /usr/sbin/quot ] && quot $SCRATCH_MNT >>$seq.full 2>&1
}

# make sure this script returns success
/bin/true