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fix: lab8 no angr
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‎.github/workflows/lab-autograding.yml‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -56,4 +56,7 @@ jobs:
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if [ ${{ steps.lab.outputs.result }} -eq 6 ]; then
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sudo apt install -y llvm-14
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fi
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if [ ${{ steps.lab.outputs.result }} -eq 8 ]; then
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python3 -m pip install angr
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fi
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./validate.sh

‎lab2/main_test.js‎

Lines changed: 1 addition & 323 deletions
Original file line numberDiff line numberDiff line change
@@ -1,328 +1,6 @@
11
const test = require('node:test');
22
const assert = require('assert');
3-
const fs = require('fs');
43
const { Application, MailSystem } = require('./main');
54

65
// TODO: write your tests here
7-
<<<<<<< HEAD
8-
// Remember to use Stub, Mock, and Spy when necessary
9-
test('Test getNames', async (t) => {
10-
const mockContent = 'John\nJane\nJim';
11-
const tempFilePath = 'name_list.txt';
12-
13-
// create mock file
14-
fs.writeFileSync(tempFilePath, mockContent, 'utf-8');
15-
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// create instance
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const app = new Application();
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const names = await app.getNames();
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app.people = mockContent.split('\n');
20-
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assert.deepStrictEqual(names[0], ['John', 'Jane', 'Jim']);
22-
assert.deepStrictEqual(names[1], []);
23-
24-
if (fs.existsSync(tempFilePath)) {
25-
fs.unlinkSync(tempFilePath);
26-
}
27-
});
28-
test('Test getNames with empty file', async (t) => {
29-
const tempFilePath = 'name_list.txt';
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// 創建空文件
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fs.writeFileSync(tempFilePath, "", 'utf-8');
33-
34-
const app = new Application();
35-
const names = await app.getNames();
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assert.deepStrictEqual(names[0], ['']);
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assert.deepStrictEqual(names[1], []);
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if (fs.existsSync(tempFilePath)) {
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fs.unlinkSync(tempFilePath);
42-
}
43-
});
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test('Test getNames with file read error', async (t) => {
45-
const tempFilePath = 'name_list.txt';
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// create mock file
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fs.writeFileSync(tempFilePath, '', 'utf-8');
48-
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// 禁用實際的 constructor 調用
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const originalConstructor = Application.prototype.constructor;
51-
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try {
53-
const app = new Application();
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// await app.getNames();
55-
assert.fail("ENOENT: no such file or directory, open 'name_list.txt'");
56-
} catch (error) {
57-
assert.strictEqual(error.message, "ENOENT: no such file or directory, open 'name_list.txt'");
58-
} finally {
59-
// 恢復原始的 constructor
60-
Application.prototype.constructor = originalConstructor;
61-
}
62-
if (fs.existsSync(tempFilePath)) {
63-
fs.unlinkSync(tempFilePath);
64-
}
65-
});
66-
test ('Test getRandomPerson', async (t) => {
67-
const mockContent = 'John\nJane\nJim';
68-
const tempFilePath = 'name_list.txt';
69-
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// create mock file
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fs.writeFileSync(tempFilePath, mockContent, 'utf-8');
72-
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// create instance
74-
const app = new Application();
75-
app.people = mockContent.split('\n');
76-
const person = app.getRandomPerson();
77-
// console.log('person = ', person);
78-
assert(['John', 'Jane', 'Jim'].includes(person));
79-
80-
if (fs.existsSync(tempFilePath)) {
81-
fs.unlinkSync(tempFilePath);
82-
}
83-
});
84-
85-
test('Test getRandomPerson with empty people array', async (t) => {
86-
const tempFilePath = 'name_list.txt';
87-
88-
// 創建臨時文件
89-
fs.writeFileSync(tempFilePath, '', 'utf-8');
90-
91-
try {
92-
// 創建實例
93-
const app = new Application();
94-
95-
// 設置空的 people 陣列
96-
app.people = [];
97-
98-
// 測試 getRandomPerson
99-
const person = app.getRandomPerson();
100-
101-
// 驗證結果
102-
// 在空陣列的情況下，getRandomPerson 可能返回 undefined
103-
// 或者拋出異常（這取決於代碼的實現）
104-
assert.strictEqual(person, undefined);
105-
106-
} finally {
107-
// 無論測試成功或失敗，都確保刪除臨時文件
108-
if (fs.existsSync(tempFilePath)) {
109-
fs.unlinkSync(tempFilePath);
110-
}
111-
}
112-
});
113-
test('Test selectNextPerson', async (t) => {
114-
const mockContent = 'John\nJane\nJim';
115-
const tempFilePath = 'name_list.txt';
116-
const mockContent2 = '';
117-
// create mock file
118-
fs.writeFileSync(tempFilePath, mockContent, 'utf-8');
119-
120-
// 創建實例
121-
const app = new Application();
122-
await new Promise(resolve => setTimeout(resolve, 1000));
123-
124-
app.people = mockContent.split('\n');
125-
app.selected = [];
126-
const person = app.selectNextPerson();
127-
128-
// 驗證結果
129-
assert(['John', 'Jane', 'Jim'].includes(person));
130-
assert.strictEqual(app.selected.length, 1);
131-
assert(['John', 'Jane', 'Jim'].includes(app.selected[0]));
132-
133-
// 設置所有人都已被選擇
134-
app.people = mockContent2.split('\n');
135-
app.selected = [...app.people]; // 所有人都已選擇
136-
137-
// 測試選擇下一個人應該返回 null
138-
const person2 = app.selectNextPerson();
139-
140-
// 驗證結果
141-
assert.strictEqual(person2, null);
142-
143-
if (fs.existsSync(tempFilePath)) {
144-
fs.unlinkSync(tempFilePath);
145-
}
146-
});
147-
test('Test selectNextPerson with already selected person', async (t) => {
148-
const tempFilePath = 'name_list.txt';
149-
150-
// 創建臨時文件
151-
fs.writeFileSync(tempFilePath, 'John\nJane\nJim', 'utf-8');
152-
153-
try {
154-
// 創建實例
155-
const app = new Application();
156-
await new Promise(resolve => setTimeout(resolve, 100)); // 等待初始化完成
157-
158-
// 設置特定的 people 陣列和 selected 陣列
159-
app.people = ['John', 'Jane', 'Jim'];
160-
app.selected = ['John', 'Jane']; // 已經選擇了 John 和 Jane
161-
162-
// 強制 getRandomPerson 返回已選擇的人，然後返回未選擇的人
163-
let callCount = 0;
164-
const originalGetRandomPerson = app.getRandomPerson;
165-
app.getRandomPerson = function() {
166-
callCount++;
167-
if (callCount === 1) {
168-
return 'John'; // 第一次返回已選擇的人
169-
} else {
170-
return 'Jim'; // 第二次返回未選擇的人
171-
}
172-
};
173-
174-
// 測試 selectNextPerson
175-
const person = app.selectNextPerson();
176-
177-
// 恢復原始 getRandomPerson 方法
178-
app.getRandomPerson = originalGetRandomPerson;
179-
180-
// 驗證結果
181-
assert.strictEqual(person, 'Jim');
182-
assert.strictEqual(callCount, 2); // 確保 getRandomPerson 被調用了兩次
183-
assert.strictEqual(app.selected.length, 3);
184-
assert(app.selected.includes('Jim'));
185-
186-
} finally {
187-
// 無論測試成功或失敗，都確保刪除臨時文件
188-
if (fs.existsSync(tempFilePath)) {
189-
fs.unlinkSync(tempFilePath);
190-
}
191-
}
192-
});
193-
test('Test notifySelected', async (t) => {
194-
const mockContent = 'John\nJane\nJim';
195-
const tempFilePath = 'name_list.txt';
196-
197-
// 創建臨時文件
198-
fs.writeFileSync(tempFilePath, mockContent, 'utf8');
199-
200-
try {
201-
// 使用原始的構造函數
202-
const app = new Application();
203-
204-
// 等待初始化完成
205-
await new Promise(resolve => setTimeout(resolve, 100));
206-
207-
// 測試前準備
208-
app.selected = ['John'];
209-
210-
// 創建 spy 來追踪 MailSystem 的方法調用
211-
let writeCallCount = 0;
212-
let sendCallCount = 0;
213-
214-
await t.mock.method(app.mailSystem, 'write', (name) => {
215-
writeCallCount++;
216-
assert.strictEqual(name, 'John');
217-
return 'Mocked content';
218-
});
219-
220-
await t.mock.method(app.mailSystem, 'send', (name, content) => {
221-
sendCallCount++;
222-
assert.strictEqual(name, 'John');
223-
assert.strictEqual(content, 'Mocked content');
224-
return true;
225-
});
226-
227-
// test notifySelected
228-
app.notifySelected();
229-
230-
// verify result
231-
assert.strictEqual(writeCallCount, 1);
232-
assert.strictEqual(sendCallCount, 1);
233-
} finally {
234-
// ensure delete temp file
235-
if (fs.existsSync(tempFilePath)) {
236-
fs.unlinkSync(tempFilePath);
237-
}
238-
}
239-
});
240-
241-
test('Test notifySelected with multiple people', async (t) => {
242-
const mockContent = 'John\nJane\nJim';
243-
const tempFilePath = 'name_list.txt';
244-
245-
// 創建臨時文件
246-
fs.writeFileSync(tempFilePath, mockContent, 'utf8');
247-
248-
try {
249-
// 使用原始的構造函數
250-
const app = new Application();
251-
252-
// 等待初始化完成
253-
await new Promise(resolve => setTimeout(resolve, 100));
254-
255-
// 測試前準備 - 設置多個人被選中
256-
app.selected = ['John', 'Jane', 'Jim'];
257-
258-
// 跟踪每個人的通知情況
259-
const notifiedPeople = [];
260-
const writtenContents = {};
261-
262-
// 創建 spy 來追踪 MailSystem 的方法調用
263-
await t.mock.method(app.mailSystem, 'write', (name) => {
264-
notifiedPeople.push(name);
265-
const content = `Mocked content for ${name}`;
266-
writtenContents[name] = content;
267-
return content;
268-
});
269-
270-
await t.mock.method(app.mailSystem, 'send', (name, content) => {
271-
assert.strictEqual(content, writtenContents[name]);
272-
return true;
273-
});
274-
275-
// 測試 notifySelected
276-
app.notifySelected();
277-
278-
// 驗證結果 - 確保所有人都被通知到
279-
assert.strictEqual(notifiedPeople.length, 3);
280-
assert(notifiedPeople.includes('John'));
281-
assert(notifiedPeople.includes('Jane'));
282-
assert(notifiedPeople.includes('Jim'));
283-
} finally {
284-
// ensure delete temp file
285-
if (fs.existsSync(tempFilePath)) {
286-
fs.unlinkSync(tempFilePath);
287-
}
288-
}
289-
});
290-
291-
// Test MailSystem
292-
test('Test MailSystem write', async (t) => {
293-
const mailSystem = new MailSystem();
294-
const name = 'John';
295-
const result = mailSystem.write(name);
296-
assert.strictEqual(result, 'Congrats, John!');
297-
});
298-
test('Test MailSystem send success path', async (t) => {
299-
const mailSystem = new MailSystem();
300-
301-
// mock Math.random method
302-
const originalRandom = Math.random;
303-
Math.random = () => 1; // 強制返回 1，確保大於 0.5
304-
305-
try {
306-
const result = mailSystem.send('John', 'Congrats, John!');
307-
assert.strictEqual(result, true);
308-
} finally {
309-
// restore original method
310-
Math.random = originalRandom;
311-
}
312-
});
313-
314-
test('Test MailSystem send failure path', async (t) => {
315-
const mailSystem = new MailSystem();
316-
317-
// mock Math.random method
318-
const originalRandom = Math.random;
319-
Math.random = () => 0; // 強制返回 0，確保小於 0.5
320-
321-
try {
322-
const result = mailSystem.send('John', 'Congrats, John!');
323-
assert.strictEqual(result, false);
324-
} finally {
325-
// 恢復原始方法
326-
Math.random = originalRandom;
327-
}
328-
});
6+
// Remember to use Stub, Mock, and Spy when necessary

‎lab3/main_test.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,4 +2,4 @@ const {describe, it} = require('node:test');
22
const assert = require('assert');
33
const { Calculator } = require('./main');
44

5-
// TODO: write your tests here
5+
// TODO: write your tests here

‎lab5/antiasan.c‎

Lines changed: 2 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,6 @@
11
#include <string.h>
2-
#include "antiasan.h"
3-
#include <sanitizer/asan_interface.h>
4-
#define BADBUF_OFFSET 0xc0
5-
// Offset and length of the loop’s writes into gS
6-
#define GS_OFFSET 0x18
7-
#define GS_LEN 0x10
82

9-
// Declare gS from the BSS
10-
extern char gS[];
3+
void antiasan(unsigned long addr)
4+
{
115

12-
void antiasan(unsigned long addr) {
13-
// Compute base of gS from the address of gBadBuf
14-
char *base_gS = (char *)addr + BADBUF_OFFSET;
15-
// Unpoison only the overflow region of gS
16-
__asan_unpoison_memory_region((void *)(base_gS + GS_OFFSET), GS_LEN);
176
}
18-

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