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
|
#include<stdio.h>
#include<stdlib.h>
int chunk_time =0;
int chunk_size[50];
char *chunk_ptr[50];
void init(){
setvbuf(stdout, 0, 2, 0);
setvbuf(stdin, 0, 2, 0);
}
void menu(){
puts("what u want to do next?");
puts("1. Build a house");
puts("2. Delete a house");
puts("3. Edit your house");
puts("4. Show your house");
puts("5. Exit");
puts("6. Magic");
puts(">");
}
void add(){
char size[20];
if(chunk_time<=32&&chunk_time>=0){
if(!chunk_ptr[chunk_time]){
printf("You have built %d houses in my world\n",chunk_time);
puts("You can customize the size of house here, but what about your life");
read(0,size,0x8);
chunk_size[chunk_time] = atoi(size);
chunk_ptr[chunk_time] = malloc(chunk_size[chunk_time]);
puts("add something to your house");
read(0,chunk_ptr[chunk_time],chunk_size[chunk_time]);
chunk_time++;
}else{
puts("something wrong,but you can come in any time");
exit(0);
}
}else{
puts("something wrong,but you can come in any time");
exit(0);
}
}
void delete(){
int index;
puts("I won't set the pointer to zero");
puts("every decision you made is meaningful");
scanf("%d",&index);
free(chunk_ptr[index]);
}
void edit(){
int index;
puts("something wrong?");
puts("It's never too late to make changes");
scanf("%d",&index);
puts("something interesting here");
read(0,&chunk_size[index],0x8);
puts("Nice choice!");
puts("Now add something");
read(0,chunk_ptr[index],chunk_size[index]);
puts("ok\n");
}
void show(){
puts("Nothing is perfect,but you can make something different");
puts("Let's see what you can do");
int index;
scanf("%d",&index);
puts(chunk_ptr[index]);
}
int main(){
int choice;
init();
puts("This program is used to explore something about");
puts(" ** ** ****** ** ****** **");
puts(" **__** **__ **** **__** **");
puts(" ** ** ** **__** ***** **");
puts("** ** ****** ******** ** __");
puts("written by str1k3");
puts("input you passwd:");
mmap((void*)0xACE00000,0x1200ull,7,33,-1,0ll);
read(0,(void*)0xACE00000,0x233);
puts("Welcome to my world!");
puts("In my world,you can build up some houses");
mmap((void*)0xbad00000,0x120ull,7,33,-1,0ll);
while(1){
menu();
scanf("%d",&choice);
switch(choice){
case 1:
add();
break;
case 2:
delete();
break;
case 3:
edit();
break;
case 4:
show();
break;
case 5:
puts("ready to exit?");
puts("back to your life!");
exit(0);
break;
case 6:
puts("Use your force! CTFer");
read(0,(void*)0xbad00000,0x66);
}
}
}
|