static void done(isc_task_t *task, isc_event_t *event) { dns_byaddrevent_t *bevent; dns_byaddr_t *byaddr; dns_name_t *name; REQUIRE(event->ev_type == DNS_EVENT_BYADDRDONE); bevent = (dns_byaddrevent_t *)event; UNUSED(task); printf("byaddr event result = %s\n", isc_result_totext(bevent->result)); if (bevent->result == ISC_R_SUCCESS) { for (name = ISC_LIST_HEAD(bevent->names); name != NULL; name = ISC_LIST_NEXT(name, link)) { char text[DNS_NAME_FORMATSIZE]; dns_name_format(name, text, sizeof(text)); printf("%s\n", text); } } byaddr = event->ev_sender; dns_byaddr_destroy(&byaddr); isc_event_free(&event); isc_app_shutdown(); }
static void byaddr_done(isc_task_t *task, isc_event_t *event) { ns_lwdclient_t *client; ns_lwdclientmgr_t *cm; dns_byaddrevent_t *bevent; int lwres; lwres_buffer_t lwb; dns_name_t *name; isc_result_t result; lwres_result_t lwresult; isc_region_t r; isc_buffer_t b; lwres_gnbaresponse_t *gnba; isc_uint16_t naliases; UNUSED(task); lwb.base = NULL; client = event->ev_arg; cm = client->clientmgr; INSIST(client->byaddr == (dns_byaddr_t *)event->ev_sender); bevent = (dns_byaddrevent_t *)event; gnba = &client->gnba; ns_lwdclient_log(50, "byaddr event result = %s", isc_result_totext(bevent->result)); result = bevent->result; if (result != ISC_R_SUCCESS) { dns_byaddr_destroy(&client->byaddr); isc_event_free(&event); bevent = NULL; if (client->na.family != AF_INET6 || (client->options & DNS_BYADDROPT_IPV6INT) != 0) { if (result == DNS_R_NCACHENXDOMAIN || result == DNS_R_NCACHENXRRSET || result == DNS_R_NXDOMAIN || result == DNS_R_NXRRSET) lwresult = LWRES_R_NOTFOUND; else lwresult = LWRES_R_FAILURE; ns_lwdclient_errorpktsend(client, lwresult); return; } /* * Fall back to ip6.int reverse if the default ip6.arpa * fails. */ client->options |= DNS_BYADDROPT_IPV6INT; start_byaddr(client); return; } for (name = ISC_LIST_HEAD(bevent->names); name != NULL; name = ISC_LIST_NEXT(name, link)) { b = client->recv_buffer; result = dns_name_totext(name, ISC_TRUE, &client->recv_buffer); if (result != ISC_R_SUCCESS) goto out; ns_lwdclient_log(50, "found name '%.*s'", (int)(client->recv_buffer.used - b.used), (char *)(b.base) + b.used); if (gnba->realname == NULL) { gnba->realname = (char *)(b.base) + b.used; gnba->realnamelen = client->recv_buffer.used - b.used; } else { naliases = gnba->naliases; if (naliases >= LWRES_MAX_ALIASES) break; gnba->aliases[naliases] = (char *)(b.base) + b.used; gnba->aliaslen[naliases] = client->recv_buffer.used - b.used; gnba->naliases++; } } dns_byaddr_destroy(&client->byaddr); isc_event_free(&event); /* * Render the packet. */ client->pkt.recvlength = LWRES_RECVLENGTH; client->pkt.authtype = 0; /* XXXMLG */ client->pkt.authlength = 0; client->pkt.result = LWRES_R_SUCCESS; lwres = lwres_gnbaresponse_render(cm->lwctx, gnba, &client->pkt, &lwb); if (lwres != LWRES_R_SUCCESS) goto out; r.base = lwb.base; r.length = lwb.used; client->sendbuf = r.base; client->sendlength = r.length; result = ns_lwdclient_sendreply(client, &r); if (result != ISC_R_SUCCESS) goto out; NS_LWDCLIENT_SETSEND(client); return; out: if (client->byaddr != NULL) dns_byaddr_destroy(&client->byaddr); if (lwb.base != NULL) lwres_context_freemem(cm->lwctx, lwb.base, lwb.length); if (event != NULL) isc_event_free(&event); }