Vortex overthewire level2

 

Category : System hacking

Level 2 Level Goal: Create a special tar file Helpful Reading Material GNU tar manual Code listing (level2.c) 1 #include <stdlib.h> 2 #include <stdio.h> 3 #include <sys/types.h> 4 5 6 int main(int argc, char **argv) 7 { 8 char *args[] = { "/bin/tar", "cf", "/tmp/ownership.$$.tar", argv[1], argv[2], argv[3] }; 9 execv(args[0], args); 10 }

Summary : socket programming , little endian , sum all receive data and send back