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|
#!/bin/bash
####################################################
# partimaged-passwd
# Copyright (C) 2006 Michael Bieb <biebl@debian.org>
####################################################
DB_LOAD=""
DB_DUMP=""
PASSWD_FILE="/etc/partimaged/passwd.db"
if [ $UID -ne 0 ] ; then
:
echo "This program has to be run as root!"
exit 1
fi
# Check for a version of db_load/db_dump
check_db_utils() {
for i in 5.1 4.8 4.7; do
if [ -x /usr/bin/db${i}_load ] ; then
DB_LOAD=/usr/bin/db${i}_load
DB_DUMP=/usr/bin/db${i}_dump
return 0
fi
done
return 1
}
help() {
echo "Manage partimaged user database."
echo
echo "Usage:"
echo " $0 [-Dhl] username password"
echo " $0 [-Dhl] username"
echo
echo " -D Delete user."
echo " -h Display this help message."
echo " -l List existing users."
echo
}
delete_user() {
echo "Deleting user $1..."
$DB_DUMP -p $PASSWD_FILE | sed -e '1,/HEADER=END/d' -e '/DATA=END/,$d' | sed 's/^[ \t]*//' | sed "/^$1$/{n;d}" | sed "/^$1$/d" | $DB_LOAD -T -t hash ${PASSWD_FILE}.new
mv ${PASSWD_FILE}.new $PASSWD_FILE
fix_rights
}
add_user() {
echo "Adding user $1..."
echo -e "$1\n$2" | $DB_LOAD -T -t hash $PASSWD_FILE
fix_rights
}
list_users() {
[ -f $PASSWD_FILE ] || exit 0
echo "Users:"
$DB_DUMP -p $PASSWD_FILE | sed -e '1,/HEADER=END/d' -e '/DATA=END/,$d' | sed 's/^[ \t]*//' | sed -n '1~2p'
}
fix_rights() {
chmod 640 $PASSWD_FILE
chown partimag:partimag $PASSWD_FILE
}
if ! check_db_utils ; then
echo "Could not find db_load/db_dump!"
echo "Please install the db5.1-util package."
exit 1
fi
while getopts D:hl opt
do
case "$opt" in
D)
delete_user $OPTARG
exit 0
;;
h)
help
exit 0
;;
l)
list_users
exit 0
;;
[?])
help
exit 1
;;
esac
done
shift $((${OPTIND}-1))
if [ $# -eq 1 ] ; then
echo -n "New password: "
read -s passwd1
echo
echo -n "Re-type new password: "
read -s passwd2
echo
if [ "$passwd1" != "$passwd2" ] ; then
echo "Passwords do not match!"
exit 1
elif [ -z $passwd1 ] ; then
echo "Please supply a valid password!"
exit 1
else
add_user $1 $passwd1
fi
elif [ $# -eq 2 ] ; then
add_user $1 $2
else
help
exit 1
fi
exit 0
|
