unbound/daemon/worker.c

248 	if(!LDNS_QR_WIRE(sldns_buffer_begin(c->buffer))
249 		|| LDNS_OPCODE_WIRE(sldns_buffer_begin(c->buffer)) !=
251 		|| LDNS_QDCOUNT(sldns_buffer_begin(c->buffer)) > 1) {
279 	if(!LDNS_QR_WIRE(sldns_buffer_begin(c->buffer))
280 		|| LDNS_OPCODE_WIRE(sldns_buffer_begin(c->buffer)) !=
282 		|| LDNS_QDCOUNT(sldns_buffer_begin(c->buffer)) > 1) {
502 			error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL,
532 		repinfo->c->buffer, 0, 1, worker->scratchpad,
534 		error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL,
540 		server_stats_insrcode(&worker->stats, repinfo->c->buffer);
588 		error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL,
620 		repinfo->c->buffer, timenow, 1, worker->scratchpad,
622 		error_encode(repinfo->c->buffer, LDNS_RCODE_SERVFAIL,
632 		server_stats_insrcode(&worker->stats, repinfo->c->buffer);
634 	/* go and return this buffer to the client */
657  * Fill CH class answer into buffer. Keeps query.
658  * @param pkt: buffer
698  * @param qinfo: query info. Pointer into packet buffer.
700  * @param pkt: packet buffer.
758 		log_buf(VERB_ALGO, "refuse", c->buffer);
761 		if(worker_check_request(c->buffer, worker) == -1) {
765 		sldns_buffer_set_limit(c->buffer, LDNS_HEADER_SIZE);
766 		sldns_buffer_write_at(c->buffer, 4,
768 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
769 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer),
812 			c->buffer);
822 	if((ret=worker_check_request(c->buffer, worker)) != 0) {
826 			LDNS_QR_SET(sldns_buffer_begin(c->buffer));
827 			LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), ret);
835 	if(!query_info_parse(&qinfo, c->buffer)) {
842 		sldns_buffer_rewind(c->buffer);
843 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
844 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer),
846 		server_stats_insrcode(&worker->stats, c->buffer);
858 		sldns_buffer_rewind(c->buffer);
859 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
860 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer),
864 			server_stats_insrcode(&worker->stats, c->buffer);
868 	if((ret=parse_edns_from_pkt(c->buffer, &edns)) != 0) {
875 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer), ret);
876 		error_encode(c->buffer, ret, &qinfo,
877 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
878 			sldns_buffer_read_u16_at(c->buffer, 2), &reply_edns);
879 		server_stats_insrcode(&worker->stats, c->buffer);
889 		error_encode(c->buffer, EDNS_RCODE_BADVERS&0xf, &qinfo,
890 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
891 			sldns_buffer_read_u16_at(c->buffer, 2), NULL);
892 		attach_edns_record(c->buffer, &edns);
913 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
914 		LDNS_TC_SET(sldns_buffer_begin(c->buffer));
915 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer),
917 		sldns_buffer_set_position(c->buffer, LDNS_HEADER_SIZE);
918 		sldns_buffer_write_at(c->buffer, 4,
920 		sldns_buffer_flip(c->buffer);
929 		&edns, c->buffer)) {
930 		server_stats_insrcode(&worker->stats, c->buffer);
934 		c->buffer, worker->scratchpad, repinfo)) {
936 		if(sldns_buffer_limit(c->buffer) == 0) {
940 		server_stats_insrcode(&worker->stats, c->buffer);
955 	if(!(LDNS_RD_WIRE(sldns_buffer_begin(c->buffer))) &&
957 		sldns_buffer_set_limit(c->buffer, LDNS_HEADER_SIZE);
958 		sldns_buffer_write_at(c->buffer, 4,
960 		LDNS_QR_SET(sldns_buffer_begin(c->buffer));
961 		LDNS_RCODE_SET(sldns_buffer_begin(c->buffer),
963 		sldns_buffer_flip(c->buffer);
964 		server_stats_insrcode(&worker->stats, c->buffer);
969 	h = query_info_hash(&qinfo, sldns_buffer_read_u16_at(c->buffer, 2));
974 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
975 			sldns_buffer_read_u16_at(c->buffer, 2), repinfo,
984 					sldns_buffer_read_u16_at(c->buffer, 2),
995 	if(!LDNS_RD_WIRE(sldns_buffer_begin(c->buffer))) {
997 			*(uint16_t*)(void *)sldns_buffer_begin(c->buffer),
998 			sldns_buffer_read_u16_at(c->buffer, 2), repinfo,
1005 	sldns_buffer_rewind(c->buffer);
1018 		sldns_buffer_read_u16_at(c->buffer, 2),
1019 		&edns, repinfo, *(uint16_t*)(void *)sldns_buffer_begin(c->buffer));
1029 			c->type, c->buffer);
1440         uint8_t* ATTR_UNUSED(buffer), size_t ATTR_UNUSED(len),