34 	Context *cont;  in udp_response_start()  local
39 	cont = context_create();  in udp_response_start()
40 	if (!cont)  in udp_response_start()
41 		return (response_abort (cont, -1));  in udp_response_start()
43 	cont->mesg.p = mesg_buf;  in udp_response_start()
44 	cont->mesg_len = mesg_len;  in udp_response_start()
45 	cont->wp = mesg_buf + mesg_len;	/* just after the answer section */  in udp_response_start()
46 	cont->q_id = cont->mesg.hdr->id;  in udp_response_start()
47 	cont->netifaddr = nia_copy (inif);  in udp_response_start()
48 	memcpy (cont->peer, sa_p, SOCKADDR_SIZEOF(*sa_p));  in udp_response_start()
50 	if (cont->mesg.hdr->opcode == OP_QUERY) {  in udp_response_start()
54 		cont->process = udp_response_recursive_process;  in udp_response_start()
55 		cont->retry = udp_response_recursive_retry;  in udp_response_start()
58 		switch (request_start (cont, QUERY_TCP)) {  in udp_response_start()
64 			cont->mesg.hdr->rcode = RC_FMTERR;  in udp_response_start()
65 			return (udp_response_finish (cont));  in udp_response_start()
68 			cont->mesg.hdr->rcode = RC_SERVERERR;  in udp_response_start()
69 			return (udp_response_finish (cont));  in udp_response_start()
73 			cont->mesg.hdr->opcode);  in udp_response_start()
74 		cont->mesg.hdr->rcode = RC_NIMP;  in udp_response_start()
75 		return udp_response_finish (cont);  in udp_response_start()
82 int udp_response_recursive_process (Context *cont) {  in udp_response_recursive_process()  argument
83 	switch (recursive_process (cont)) {  in udp_response_recursive_process()
89 		return udp_response_finish (cont);  in udp_response_recursive_process()
92 		cont->mesg.hdr->rcode = RC_SERVERERR;  in udp_response_recursive_process()
93 		return udp_response_finish (cont);  in udp_response_recursive_process()
97 int udp_response_recursive_retry (Context *cont) {  in udp_response_recursive_retry()  argument
99 	return response_abort (cont, 0);  in udp_response_recursive_retry()
102 int udp_response_finish (Context *cont) {  in udp_response_finish()  argument
122 	assemble_response (cont);  in udp_response_finish()
123 	if (cont->mesg_len < 0 || cont->mesg_len > MAX_PACKET) {  in udp_response_finish()
125 		list_destroy (cont->ar_list, rrset_freev);  in udp_response_finish()
126 		cont->ar_list = NULL;  in udp_response_finish()
128 		assemble_response (cont);  in udp_response_finish()
130 	if (cont->mesg_len < 0 || cont->mesg_len > MAX_PACKET) {  in udp_response_finish()
136 		list_destroy (cont->ns_list, rrset_freev);  in udp_response_finish()
137 		cont->ns_list = NULL;  in udp_response_finish()
139 		assemble_response (cont);  in udp_response_finish()
141 	if (cont->mesg_len < 0 || cont->mesg_len > MAX_PACKET) {  in udp_response_finish()
143 		list_destroy (cont->an_list, rrset_freev);  in udp_response_finish()
144 		cont->an_list = NULL;  in udp_response_finish()
145 		assemble_response (cont);  in udp_response_finish()
146 		cont->mesg.hdr->tc = 1;  in udp_response_finish()
149 	if (cont->mesg_len < 0 || cont->mesg_len > MAX_PACKET) {  in udp_response_finish()
151 		return (response_abort (cont, 1));  in udp_response_finish()
155 	len = net_mesg_send (cont->netifaddr, cont->mesg.p, cont->mesg_len,  in udp_response_finish()
156 			     cont->peer);  in udp_response_finish()
158 	if (len < cont->mesg_len) {  in udp_response_finish()
160 		return (response_abort (cont, -1));  in udp_response_finish()
163         context_destroy (cont);  in udp_response_finish()