pkgsrc/net/samba/files/adduser.sh

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#!@SH@
#
# $NetBSD: adduser.sh,v 1.3 2006/01/06 00:15:21 joerg Exp $
#
# This is an adduser script for NetBSD systems whose useradd(8) doesn't
# accept "$" in the username. This script may be used for the
# "add machine script" in smb.conf.
awkprog="@AWK@"
catprog="@CAT@"
mktempprog="@MKTEMP@"
pwdmkdbprog="@PWD_MKDB@"
rmprog="@RM@"
progname=adduser
usage() {
echo "Usage: $progname [-c comment] [-d homedir] [-n] [-r low..high]"
echo " [-s shell] -g gid name"
exit 1
}
isnum() {
case "$1" in
0[0-9]*|*[!0-9]*)
return 1
;;
esac
return 0
}
doit=""
gid=""
minuid=1000
maxuid=60000
comment=""
homedir=""
shell=/sbin/nologin
while getopts c:d:g:nr:s: flag; do
case $flag in
c) comment="${OPTARG}" ;;
d) homedir="${OPTARG}" ;;
g) gid="${OPTARG}" ;;
n) doit=":" ;;
r) minuid=${OPTARG%%..*}; maxuid=${OPTARG##*..} ;;
s) shell="${OPTARG}" ;;
esac
done
shift `expr $OPTIND - 1`
if [ $# -lt 1 ]; then
usage
fi
name="$1"
if [ -z "$gid" ]; then
echo "$progname: \`-g gid' is a required option" 1>&2
exit 1
fi
if ! isnum "$gid"; then
echo "$progname: \`$gid' is not a valid gid" 1>&2
exit 1
fi
if ! isnum "$minuid"; then
echo "$progname: \`$minuid' is not a valid minimum uid" 1>&2
exit 1
fi
if ! isnum "$maxuid"; then
echo "$progname: \`$maxuid' is not a valid maximum uid" 1>&2
exit 1
fi
if [ $minuid -gt $maxuid ]; then
echo "$progname: \`$minuid..$maxuid' is not a valid range" 1>&2
exit 1
fi
case "$comment" in
*:*)
echo "$progname: \`$comment' is not a valid comment" 1>&2
exit 1
;;
esac
case "$homedir" in
*:*)
echo "$progname: \`$homedir' is not a valid home directory" 1>&2
exit 1
;;
%*)
# This is an unsubstituted variable (probably %H in smbd).
# Silently change this to a proper default.
#
homedir="/nonexistent"
;;
esac
case "$shell" in
*:*)
echo "$progname: \`$shell' is not a valid shell" 1>&2
exit 1
;;
esac
case "$name" in
*:*)
echo "$progname: \`$name' is not a valid username" 1>&2
exit 1
;;
esac
ptmp=`$mktempprog -q /etc/ptmp`
case "$ptmp" in
/etc/ptmp)
;;
*)
echo "$progname: can't create /etc/ptmp" 1>&2
exit 1
;;
esac
if [ ! -f /etc/master.passwd ]; then
echo "$progname: /etc/master.passwd not found" 1>&2
$rmprog -f $ptmp
exit 1
fi
$catprog /etc/master.passwd >> $ptmp
uid=` \
$awkprog -v minuid=$minuid -v maxuid=maxuid ' \
BEGIN { FS = ":" } \
{ seen_uids[$3] = 1 } \
END { \
uid = minuid; \
while (uid <= maxuid) { \
if (uid in seen_uids) { \
uid++; \
continue; \
} \
print uid; \
exit; \
} \
print -1; \
}' $ptmp \
`
if [ $uid -lt 0 ]; then
echo "$progname: no uid can be allocated in $minuid..$maxuid" 1>&2
$rmprog -f $ptmp
exit 1
fi
case "${name}" in
*$) : ${comment:=${name%%[$]*} samba machine account} ;;
*) : ${comment:=${name} samba user} ;;
esac
entry="${name}:*:${uid}:${gid}::0:0:${comment}:${homedir}:${shell}"
echo "$entry" >> $ptmp
$doit $pwdmkdbprog -p -u "${name}" $ptmp
rc=$?
$rmprog -f $ptmp
exit $rc