diff options
Diffstat (limited to 'contrib/bind9/bin/named/notify.c')
| -rw-r--r-- | contrib/bind9/bin/named/notify.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/contrib/bind9/bin/named/notify.c b/contrib/bind9/bin/named/notify.c deleted file mode 100644 index de52b8c..0000000 --- a/contrib/bind9/bin/named/notify.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: notify.c,v 1.37 2007/06/19 23:46:59 tbox Exp $ */ - -#include <config.h> - -#include <isc/log.h> -#include <isc/print.h> - -#include <dns/message.h> -#include <dns/rdataset.h> -#include <dns/result.h> -#include <dns/tsig.h> -#include <dns/view.h> -#include <dns/zone.h> -#include <dns/zt.h> - -#include <named/log.h> -#include <named/notify.h> - -/*! \file - * \brief - * This module implements notify as in RFC1996. - */ - -static void -notify_log(ns_client_t *client, int level, const char *fmt, ...) { - va_list ap; - - va_start(ap, fmt); - ns_client_logv(client, DNS_LOGCATEGORY_NOTIFY, NS_LOGMODULE_NOTIFY, - level, fmt, ap); - va_end(ap); -} - -static void -respond(ns_client_t *client, isc_result_t result) { - dns_rcode_t rcode; - dns_message_t *message; - isc_result_t msg_result; - - message = client->message; - rcode = dns_result_torcode(result); - - msg_result = dns_message_reply(message, ISC_TRUE); - if (msg_result != ISC_R_SUCCESS) - msg_result = dns_message_reply(message, ISC_FALSE); - if (msg_result != ISC_R_SUCCESS) { - ns_client_next(client, msg_result); - return; - } - message->rcode = rcode; - if (rcode == dns_rcode_noerror) - message->flags |= DNS_MESSAGEFLAG_AA; - else - message->flags &= ~DNS_MESSAGEFLAG_AA; - ns_client_send(client); -} - -void -ns_notify_start(ns_client_t *client) { - dns_message_t *request = client->message; - isc_result_t result; - dns_name_t *zonename; - dns_rdataset_t *zone_rdataset; - dns_zone_t *zone = NULL; - char namebuf[DNS_NAME_FORMATSIZE]; - char tsigbuf[DNS_NAME_FORMATSIZE + sizeof(": TSIG ''")]; - dns_tsigkey_t *tsigkey; - - /* - * Interpret the question section. - */ - result = dns_message_firstname(request, DNS_SECTION_QUESTION); - if (result != ISC_R_SUCCESS) { - notify_log(client, ISC_LOG_NOTICE, - "notify question section empty"); - goto formerr; - } - - /* - * The question section must contain exactly one question. - */ - zonename = NULL; - dns_message_currentname(request, DNS_SECTION_QUESTION, &zonename); - zone_rdataset = ISC_LIST_HEAD(zonename->list); - if (ISC_LIST_NEXT(zone_rdataset, link) != NULL) { - notify_log(client, ISC_LOG_NOTICE, - "notify question section contains multiple RRs"); - goto formerr; - } - - /* The zone section must have exactly one name. */ - result = dns_message_nextname(request, DNS_SECTION_ZONE); - if (result != ISC_R_NOMORE) { - notify_log(client, ISC_LOG_NOTICE, - "notify question section contains multiple RRs"); - goto formerr; - } - - /* The one rdataset must be an SOA. */ - if (zone_rdataset->type != dns_rdatatype_soa) { - notify_log(client, ISC_LOG_NOTICE, - "notify question section contains no SOA"); - goto formerr; - } - - tsigkey = dns_message_gettsigkey(request); - if (tsigkey != NULL) { - dns_name_format(&tsigkey->name, namebuf, sizeof(namebuf)); - - if (tsigkey->generated) { - char cnamebuf[DNS_NAME_FORMATSIZE]; - dns_name_format(tsigkey->creator, cnamebuf, - sizeof(cnamebuf)); - snprintf(tsigbuf, sizeof(tsigbuf), ": TSIG '%s' (%s)", - namebuf, cnamebuf); - } else { - snprintf(tsigbuf, sizeof(tsigbuf), ": TSIG '%s'", - namebuf); - } - } else - tsigbuf[0] = '\0'; - dns_name_format(zonename, namebuf, sizeof(namebuf)); - result = dns_zt_find(client->view->zonetable, zonename, 0, NULL, - &zone); - if (result != ISC_R_SUCCESS) - goto notauth; - - switch (dns_zone_gettype(zone)) { - case dns_zone_master: - case dns_zone_slave: - case dns_zone_stub: /* Allow dialup passive to work. */ - notify_log(client, ISC_LOG_INFO, - "received notify for zone '%s'%s", namebuf, tsigbuf); - respond(client, dns_zone_notifyreceive(zone, - ns_client_getsockaddr(client), request)); - break; - default: - goto notauth; - } - dns_zone_detach(&zone); - return; - - notauth: - notify_log(client, ISC_LOG_NOTICE, - "received notify for zone '%s'%s: not authoritative", - namebuf, tsigbuf); - result = DNS_R_NOTAUTH; - goto failure; - - formerr: - result = DNS_R_FORMERR; - - failure: - if (zone != NULL) - dns_zone_detach(&zone); - respond(client, result); -} |
