1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// +build gofuzz
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package fuzz
import (
"context"
"fmt"
"strconv"
"shared"
"tutorial"
"github.com/apache/thrift/lib/go/thrift"
)
const nbFuzzedProtocols = 2
func fuzzChooseProtocol(d byte, t thrift.TTransport) thrift.TProtocol {
switch d % nbFuzzedProtocols {
default:
fallthrough
case 0:
return thrift.NewTBinaryProtocolFactoryConf(nil).GetProtocol(t)
case 1:
return thrift.NewTCompactProtocolFactoryConf(nil).GetProtocol(t)
}
}
func Fuzz(data []byte) int {
if len(data) < 2 {
return 0
}
inputTransport := thrift.NewTMemoryBuffer()
inputTransport.Buffer.Write(data[2:])
outputTransport := thrift.NewTMemoryBuffer()
outputProtocol := fuzzChooseProtocol(data[0], outputTransport)
inputProtocol := fuzzChooseProtocol(data[1], inputTransport)
ctx := thrift.SetResponseHelper(
context.Background(),
thrift.TResponseHelper{
THeaderResponseHelper: thrift.NewTHeaderResponseHelper(outputProtocol),
},
)
handler := NewCalculatorHandler()
processor := tutorial.NewCalculatorProcessor(handler)
ok := true
var err error
for ok {
ok, err = processor.Process(ctx, inputProtocol, outputProtocol)
if err != nil {
// Handle parse error
return 0
}
res := make([]byte, 1024)
n, err := outputTransport.Buffer.Read(res)
fmt.Printf("lol %d %s %v\n", n, err, res)
}
return 1
}
type CalculatorHandler struct {
log map[int]*shared.SharedStruct
}
func NewCalculatorHandler() *CalculatorHandler {
return &CalculatorHandler{log: make(map[int]*shared.SharedStruct)}
}
func (p *CalculatorHandler) Ping(ctx context.Context) (err error) {
fmt.Print("ping()\n")
return nil
}
func (p *CalculatorHandler) Add(ctx context.Context, num1 int32, num2 int32) (retval17 int32, err error) {
fmt.Print("add(", num1, ",", num2, ")\n")
return num1 + num2, nil
}
func (p *CalculatorHandler) Calculate(ctx context.Context, logid int32, w *tutorial.Work) (val int32, err error) {
fmt.Print("calculate(", logid, ", {", w.Op, ",", w.Num1, ",", w.Num2, "})\n")
switch w.Op {
case tutorial.Operation_ADD:
val = w.Num1 + w.Num2
break
case tutorial.Operation_SUBTRACT:
val = w.Num1 - w.Num2
break
case tutorial.Operation_MULTIPLY:
val = w.Num1 * w.Num2
break
case tutorial.Operation_DIVIDE:
if w.Num2 == 0 {
ouch := tutorial.NewInvalidOperation()
ouch.WhatOp = int32(w.Op)
ouch.Why = "Cannot divide by 0"
err = ouch
return
}
val = w.Num1 / w.Num2
break
default:
ouch := tutorial.NewInvalidOperation()
ouch.WhatOp = int32(w.Op)
ouch.Why = "Unknown operation"
err = ouch
return
}
entry := shared.NewSharedStruct()
entry.Key = logid
entry.Value = strconv.Itoa(int(val))
k := int(logid)
p.log[k] = entry
return val, err
}
func (p *CalculatorHandler) GetStruct(ctx context.Context, key int32) (*shared.SharedStruct, error) {
fmt.Print("getStruct(", key, ")\n")
v, _ := p.log[int(key)]
return v, nil
}
func (p *CalculatorHandler) Zip(ctx context.Context) (err error) {
fmt.Print("zip()\n")
return nil
}
|
