Stuff

#DEFINE STR_LEN (256)// There is vulnerable code somewhere in here// I'm trying to find it.// Every little bit helps :)typedef struct {	byte data[BUF_SIZE];	int len;	int read_index;} buffer_t;PRIVATE buffer_t b_in;typedef buffer_t *buffer_ptr;int unpack_string(buffer_ptr b, char *s){	int i;	int len;	byte *bp;        /*  My suggestion.  */        if (strlen(b->data) != b->len)        {            /*  Invalid length assigned.                b->len = strlen(b->data);  and continue?                or                                       return(-1); ?  */        }        /*  Suggestion end.  */	if ((b->read_index + INT32_SIZE) > b->len) {		fprintf(stderr, "unpack_string(): %s\n", BUFF_ERR2);		return (-1);	}	len = unpack_int(b);	if ((b->read_index + len) > b->len) {		fprintf(stderr, "unpack_string(): %s\n", BUFF_ERR2);		return (-1);	}	bp = (byte *) s;	for (i = 0; i < (len-1); i++) {		*(bp++) = b->data[b->read_index++];	}	*(bp) = 0;	b->read_index++;	return (0);}PUBLIC void msg_unpack_string(char *s){	if (unpack_string(&b_in, s) == -1) {		fprintf(stderr, MSG_LIB_ERR2);	}}