#include #include #include void shell() { printf("You did it.\n"); system("/bin/sh"); } int main(int argc, char** argv) { if(argc != 2) { printf("usage:\n%s string\n", argv[0]); return EXIT_FAILURE; } int set_me = 0; char buf[15]; strcpy(buf, argv[1]); if(set_me == 0xdeadbeef) { shell(); } else { printf("Not authenticated.\nset_me was %x\n", set_me); } return EXIT_SUCCESS; }