Tommy Wu TommyWu-fdgkhdkgh
TommyWu-fdgkhdkgh
/ gist:cffe155aa09229f187ce906685c263f7
Created
February 1, 2021 15:51
os_from_scratch_0
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| ;/*************************************************** | |
| ; 版权声明 | |
| ; | |
| ; 本操作系统名为：MINE | |
| ; 该操作系统未经授权不得以盈利或非盈利为目的进行开发， | |
| ; 只允许个人学习以及公开交流使用 | |
| ; | |
| ; 代码最终所有权及解释权归田宇所有； | |
| ; | |
| ; 本模块作者： 田宇 |
TommyWu-fdgkhdkgh
/ tcache_tear.py
Created
October 8, 2019 17:07
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| from pwn import * | |
| import sys | |
| def malloc(size, data): | |
| r.recvuntil("choice :") | |
| r.sendline("1") | |
| r.recvuntil("Size:") | |
| r.sendline(str(size)) | |
| r.recvuntil("Data:") |
TommyWu-fdgkhdkgh
/ pwnable_tw_silver_bullet.py
Created
September 30, 2019 00:28
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| from pwn import * | |
| import sys | |
| def create(data): | |
| word = r.recvuntil("choice :") | |
| print word | |
| r.sendline("1") | |
| word = r.recvuntil("bullet :") | |
| print word | |
| r.send(data) |
TommyWu-fdgkhdkgh
/ Makefile_ldd3_simple
Created
September 27, 2019 19:38
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| ifeq ($(KERNELRELEASE),) | |
| # 假如沒有定義KERNELRELEASE的話，就會跑到這個分支 | |
| # 表示現在是由命令列叫用 | |
| # 於是可以再呼叫核心建構系統 | |
| # Assume the source tree is where the running kernel was built | |
| # You should set KERNELDIR in the environment if it's elsewhere | |
| KERNELDIR ?= /lib/modules/$(shell uname -r)/build | |
| # The current directory is passed to sub-makes as argument |
TommyWu-fdgkhdkgh
/ ldd3_simple.c
Created
September 27, 2019 19:33
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| /* | |
| * $Id: hi.c,v 1.5 2004/10/26 03:32:21 corbet Exp $ | |
| */ | |
| #include <linux/init.h> | |
| #include <linux/module.h> | |
| //MODULE_LICENSE("Dual BSD/GPL"); | |
| static int __init hi_init(void) | |
| { |
TommyWu-fdgkhdkgh
/ pwnable_tw_hacknote.py
Last active
September 23, 2019 17:22
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| from pwn import * | |
| import sys | |
| #select remote or local | |
| if len(sys.argv) == 2: | |
| if sys.argv[1][0]=='l': | |
| sh = process("./hacknote", env={"LD_LIBRARY_PATH" : "/lib32"}) | |
| #sh = process("./hacknote") | |
| else: |
TommyWu-fdgkhdkgh
/ ccns_ctf_t-memo.py
Created
September 19, 2019 04:08
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| # -*- coding: utf-8 -*- | |
| from pwn import * | |
| import sys | |
| r=0 | |
| if sys.argv[1]=='l': | |
| r=process("./t-memo") | |
| elif sys.argv[1]=='r': |
TommyWu-fdgkhdkgh
/ medium-OS:synchronization17.c
Last active
July 6, 2019 08:27
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| semaphore mutex = 1; | |
| int next_count = 0;//等待next的個數 | |
| semaphore next = 0; | |
| int x_count = 0;//等待x_sem的個數 | |
| semaphore x_sem = 0; | |
| /* monitor */ | |
| /* monitor start */ |
TommyWu-fdgkhdkgh
/ medium-OS:synchronization16.c
Created
July 6, 2019 06:04
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| monitor DiningPhilosophers | |
| { | |
| enum {THINKING, HUNGRY, EATING} state[5]; | |
| condition self[5]; | |
| void pickup(int i){ | |
| state[i] = HUNGRY; | |
| test(i); | |
| //假如沒辦法拿到筷子，進入condition variable self[i]的queue |
TommyWu-fdgkhdkgh
/ medium-OS:synchronization15.c
Created
July 3, 2019 15:07
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| do{ | |
| /* entry section */ | |
| wait(chopstick[i]); | |
| wait(chopstick[(i+1) % 5]); | |
| /* eat for a while */ | |
| /*critical section*/ | |
| /* exit section */ |
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