util/data/dname.c

153 	uint8_t lablen;
157 	lablen = *dname++;
158 	while(lablen) {
159 		if(LABEL_IS_PTR(lablen)) {
160 			if((size_t)PTR_OFFSET(lablen, *dname)
163 			dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
164 			lablen = *dname++;
169 		if(dname+lablen >= sldns_buffer_end(pkt))
171 		while(lablen--) {
177 		lablen = *dname++;
290 	uint8_t lablen;
294 	lablen = *dname++;
295 	while(lablen) {
296 		log_assert(lablen <= LDNS_MAX_LABELLEN);
297 		labuf[0] = lablen;
299 		while(lablen--) {
304 		lablen = *dname++;
314 	uint8_t lablen;
319 	lablen = *dname++;
320 	while(lablen) {
321 		if(LABEL_IS_PTR(lablen)) {
323 			if((size_t)PTR_OFFSET(lablen, *dname)
328 			dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
329 			lablen = *dname++;
332 		log_assert(lablen <= LDNS_MAX_LABELLEN);
333 		labuf[0] = lablen;
335 		while(lablen--) {
340 		lablen = *dname++;
351 	uint8_t lablen;
352 	lablen = *dname++;
353 	while(lablen) {
354 		if(LABEL_IS_PTR(lablen)) {
361 			if((size_t)PTR_OFFSET(lablen, *dname)
364 			dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
365 			lablen = *dname++;
368 		if(lablen > LDNS_MAX_LABELLEN) {
372 		log_assert(lablen <= LDNS_MAX_LABELLEN);
373 		len += (size_t)lablen+1;
379 		*to++ = lablen;
380 		memmove(to, dname, lablen);
381 		dname += lablen;
382 		to += lablen;
383 		lablen = *dname++;
391 	uint8_t lablen;
396 	lablen = *dname++;
397 	if(!lablen)
399 	while(lablen) {
400 		if(LABEL_IS_PTR(lablen)) {
406 			if((size_t)PTR_OFFSET(lablen, *dname)
415 			dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
416 			lablen = *dname++;
419 		if(lablen > LDNS_MAX_LABELLEN) {
423 		while(lablen--)
426 		lablen = *dname++;
433 	uint8_t lablen;
436 	lablen = *dname++;
437 	while(lablen) {
439 		dname += lablen;
440 		lablen = *dname++;
448 	uint8_t lablen;
452 	lablen = *dname++;
453 	while(lablen) {
455 		sz += lablen+1;
456 		dname += lablen;
457 		lablen = *dname++;
573 	size_t lablen = (size_t)*label;
574 	if(plen > lablen)
583 	if(orig_plen < lablen)
622 	uint8_t lablen;
626 	lablen = *dname++;
627 	sldns_buffer_write_u8(pkt, lablen);
628 	while(lablen) {
629 		if(sldns_buffer_remaining(pkt) < (size_t)lablen+1)
631 		sldns_buffer_write(pkt, dname, lablen);
632 		dname += lablen;
633 		lablen = *dname++;
634 		sldns_buffer_write_u8(pkt, lablen);
642 	uint8_t lablen = 0;
649 	lablen = *dname++;
650 	while(lablen) {
651 		if(lablen > LDNS_MAX_LABELLEN) {
656 		len += lablen+1;
662 		while(lablen--) {
673 		lablen = *dname++;
730 	size_t lablen;
732 	lablen = (*dname)[0];
733 	log_assert(!LABEL_IS_PTR(lablen));
734 	log_assert(*len > lablen);
735 	if(lablen == 0)
737 	*len -= lablen+1;
738 	*dname += lablen+1;
752 	uint8_t lablen;
758 	lablen = dname[0];
759 	while(lablen) {
761 		dname += lablen;
763 		lablen = dname[0];