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| void hello() | |
| { | |
| char name[?]; | |
| //__x86.get_pc_thunk.bx | |
| puts("What's your name?"); | |
| fgets(&name, 0x20, stdin); | |
| if(strchr(name, '%') && strchr(name, 'n')) exit(1); | |
| printf("Hello "); | |
| printf(name); | |
| } | |
| void login() | |
| { | |
| char password[?]; | |
| char passRand[?]; | |
| puts("Please enter the password"); | |
| fgets(&password, 0x40, stdin); | |
| int fp = open("/dev/urandom", O_RDONLY); | |
| if(fp == -1) exit(1); | |
| read(fp, passRand, 0x10); | |
| close(fp); | |
| if(memcmp(password, passRand, 0x10)) | |
| { | |
| puts("Shell for you :)"); | |
| system("false && /bin/sh"); | |
| }else{ | |
| puts("Sorry, wrong password"); | |
| } | |
| } | |
| int main() | |
| { | |
| setbuf(0, ?); | |
| setbuf(0, ?); | |
| hello(); | |
| login(); | |
| } |
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