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[pwnable.kr][Toddler] lotto 문제풀이

lotto #include #include #include #include unsigned char submit[6]; void play(){ int i; printf("Submit your 6 lotto bytes : "); fflush(stdout); int r; r = read(0, submit, 6); printf("Lotto Start!\n"); //sleep(1); // generate lotto numbers int fd = open("/dev/urandom", O_RDONLY); if(fd==-1){ printf("error. tell admin\n"); exit(-1); } unsigned char lotto[6]; if(read(fd, lotto, 6) != 6){ printf("err..