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#!/bin/sh
#
# Copyright (C) 2016 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Authors: Daniel Kopecek <dkopecek@redhat.com>
#
TARGET=(allow block reject)
function generate_target {
echo -n ${TARGET[$RANDOM % 3]}
}
OPERATORS=(equals one-of none-of all-of equals-ordered match-all)
function generate_hex {
size=$1
cat /dev/urandom | tr -d -c '[:xdigit:]' | head -c $size
}
function generate_interface_type {
case $(( RANDOM % 3 )) in
0)
generate_hex 2
echo -n ':'
generate_hex 2
echo -n ':'
generate_hex 2
;;
1)
generate_hex 2
echo -n ':'
generate_hex 2
echo -n ':*'
;;
2)
generate_hex 2
echo -n ':*:*'
;;
esac
}
function generate_device_id {
generate_hex 4
echo -n ":"
(( RANDOM % 2 )) && generate_hex 4 || echo -n '*'
}
function generate_string {
if [[ -n "$1" ]]; then
size=$1
else
size=8
fi
cat /dev/urandom | tr -d -c '[:print:]' | tr -d '"\\()' | head -c $size
}
function generate_dq_string {
echo -n '"'
generate_string
echo -n '"'
}
function generate_operator {
echo -n ${OPERATORS[$RANDOM % 5]}
}
function generate_set {
if [ -n "$2" ]; then
size=$2
else
size=$((RANDOM % 8 + 1))
fi
(( RANDOM % 2 )) && (generate_operator && echo -n " ")
echo -n "{ "
for i in $(seq $size); do
$1
echo -n " "
done
echo -n "}"
}
function generate_string_attribute {
name=$1
echo -n $name
echo -n " "
case $((RANDOM % 2)) in
0)
generate_dq_string
;;
1)
generate_set generate_dq_string
;;
esac
}
function generate_interface_attribute {
echo -n "with-interface"
echo -n " "
case $((RANDOM % 2)) in
0)
generate_interface_type
;;
1)
generate_set generate_interface_type
;;
esac
}
function generate_id_attribute {
echo -n "id"
echo -n " "
case $((RANDOM % 2)) in
0)
generate_device_id
;;
1)
generate_set generate_device_id
;;
esac
}
generated=(0 0 0 0 0 0 0)
function generate_attribute {
while true; do
rnd=$((RANDOM % 7))
if [ ${generated[$rnd]} -eq 0 ]; then
generated[$rnd]=1
break
fi
done
case "$rnd" in
0)
generate_string_attribute "name"
;;
1)
generate_string_attribute "hash"
;;
2)
generate_string_attribute "parent-hash"
;;
3)
generate_string_attribute "serial"
;;
4)
generate_string_attribute "via-port"
;;
5)
generate_interface_attribute
;;
6)
generate_id_attribute
;;
esac
}
function generate_condition {
case $((RANDOM % 13)) in
0)
echo -n "if true"
;;
1)
echo -n "if !true"
;;
2)
echo -n "if false"
;;
3)
echo -n "if !false"
;;
4)
echo -n "if localtime(1:00)"
;;
5)
echo -n "if !localtime(2:00)"
;;
6)
echo -n "if "
generate_operator
echo -n " { true false !true false }"
;;
8)
echo -n "if random"
;;
9)
echo -n "if random(0.4)"
;;
10)
echo -n "if rule-applied"
;;
11)
echo -n "if rule-evaluated"
;;
12)
echo -n "if allowed-matches(name "
generate_dq_string
echo -n ")"
;;
esac
}
function generate_rule {
num_attributes=$1
generate_target
echo -n " "
for i in $(seq $num_attributes); do
generate_attribute
echo -n " "
done
(( RANDOM % 2 )) && (echo -n ' '; generate_condition)
}
if [ -n "$1" ]; then
num_attributes=$1
else
num_attributes=$((RANDOM % 7 + 1))
fi
generate_rule $num_attributes
echo
|
