Flatten bind9 vendor work area

1 files changed, 0 insertions, 410 deletions

diff --git a/contrib/bind9/lib/dns/zt.c b/contrib/bind9/lib/dns/zt.c
deleted file mode 100644
index 4cb8f3f..0000000
--- a/contrib/bind9/lib/dns/zt.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- * Copyright (C) 2004, 2005  Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1999-2002  Internet Software Consortium.
- *
- * Permission to use, copy, modify, and 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: zt.c,v 1.38.18.5 2005/11/30 03:44:39 marka Exp $ */
-
-/*! \file */
-
-#include <config.h>
-
-#include <isc/file.h>
-#include <isc/magic.h>
-#include <isc/mem.h>
-#include <isc/string.h>
-#include <isc/util.h>
-
-#include <dns/log.h>
-#include <dns/name.h>
-#include <dns/rbt.h>
-#include <dns/rdataclass.h>
-#include <dns/result.h>
-#include <dns/view.h>
-#include <dns/zone.h>
-#include <dns/zt.h>
-
-struct dns_zt {
-	/* Unlocked. */
-	unsigned int		magic;
-	isc_mem_t		*mctx;
-	dns_rdataclass_t	rdclass;
-	isc_rwlock_t		rwlock;
-	/* Locked by lock. */
-	isc_uint32_t		references;
-	dns_rbt_t		*table;
-};
-
-#define ZTMAGIC			ISC_MAGIC('Z', 'T', 'b', 'l')
-#define VALID_ZT(zt) 		ISC_MAGIC_VALID(zt, ZTMAGIC)
-
-static void
-auto_detach(void *, void *);
-
-static isc_result_t
-load(dns_zone_t *zone, void *uap);
-
-static isc_result_t
-loadnew(dns_zone_t *zone, void *uap);
-
-static isc_result_t
-freezezones(dns_zone_t *zone, void *uap);
-
-isc_result_t
-dns_zt_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, dns_zt_t **ztp) {
-	dns_zt_t *zt;
-	isc_result_t result;
-
-	REQUIRE(ztp != NULL && *ztp == NULL);
-
-	zt = isc_mem_get(mctx, sizeof(*zt));
-	if (zt == NULL)
-		return (ISC_R_NOMEMORY);
-
-	zt->table = NULL;
-	result = dns_rbt_create(mctx, auto_detach, zt, &zt->table);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup_zt;
-
-	result = isc_rwlock_init(&zt->rwlock, 0, 0);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup_rbt;
-
-	zt->mctx = mctx;
-	zt->references = 1;
-	zt->rdclass = rdclass;
-	zt->magic = ZTMAGIC;
-	*ztp = zt;
-
-	return (ISC_R_SUCCESS);
-
-   cleanup_rbt:
-	dns_rbt_destroy(&zt->table);
-
-   cleanup_zt:
-	isc_mem_put(mctx, zt, sizeof(*zt));
-
-	return (result);
-}
-
-isc_result_t
-dns_zt_mount(dns_zt_t *zt, dns_zone_t *zone) {
-	isc_result_t result;
-	dns_zone_t *dummy = NULL;
-	dns_name_t *name;
-
-	REQUIRE(VALID_ZT(zt));
-
-	name = dns_zone_getorigin(zone);
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	result = dns_rbt_addname(zt->table, name, zone);
-	if (result == ISC_R_SUCCESS)
-		dns_zone_attach(zone, &dummy);
-
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	return (result);
-}
-
-isc_result_t
-dns_zt_unmount(dns_zt_t *zt, dns_zone_t *zone) {
-	isc_result_t result;
-	dns_name_t *name;
-
-	REQUIRE(VALID_ZT(zt));
-
-	name = dns_zone_getorigin(zone);
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	result = dns_rbt_deletename(zt->table, name, ISC_FALSE);
-
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	return (result);
-}
-
-isc_result_t
-dns_zt_find(dns_zt_t *zt, dns_name_t *name, unsigned int options,
-	    dns_name_t *foundname, dns_zone_t **zonep)
-{
-	isc_result_t result;
-	dns_zone_t *dummy = NULL;
-	unsigned int rbtoptions = 0;
-
-	REQUIRE(VALID_ZT(zt));
-
-	if ((options & DNS_ZTFIND_NOEXACT) != 0)
-		rbtoptions |= DNS_RBTFIND_NOEXACT;
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_read);
-
-	result = dns_rbt_findname(zt->table, name, rbtoptions, foundname,
-				  (void **) (void*)&dummy);
-	if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH)
-		dns_zone_attach(dummy, zonep);
-
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
-
-	return (result);
-}
-
-void
-dns_zt_attach(dns_zt_t *zt, dns_zt_t **ztp) {
-
-	REQUIRE(VALID_ZT(zt));
-	REQUIRE(ztp != NULL && *ztp == NULL);
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	INSIST(zt->references > 0);
-	zt->references++;
-	INSIST(zt->references != 0);
-
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	*ztp = zt;
-}
-
-static isc_result_t
-flush(dns_zone_t *zone, void *uap) {
-	UNUSED(uap);
-	return (dns_zone_flush(zone));
-}
-
-static void
-zt_flushanddetach(dns_zt_t **ztp, isc_boolean_t need_flush) {
-	isc_boolean_t destroy = ISC_FALSE;
-	dns_zt_t *zt;
-
-	REQUIRE(ztp != NULL && VALID_ZT(*ztp));
-
-	zt = *ztp;
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	INSIST(zt->references > 0);
-	zt->references--;
-	if (zt->references == 0)
-		destroy = ISC_TRUE;
-
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_write);
-
-	if (destroy) {
-		if (need_flush)
-			(void)dns_zt_apply(zt, ISC_FALSE, flush, NULL);
-		dns_rbt_destroy(&zt->table);
-		isc_rwlock_destroy(&zt->rwlock);
-		zt->magic = 0;
-		isc_mem_put(zt->mctx, zt, sizeof(*zt));
-	}
-
-	*ztp = NULL;
-}
-
-void
-dns_zt_flushanddetach(dns_zt_t **ztp) {
-	zt_flushanddetach(ztp, ISC_TRUE);
-}
-
-void
-dns_zt_detach(dns_zt_t **ztp) {
-	zt_flushanddetach(ztp, ISC_FALSE);
-}
-
-isc_result_t
-dns_zt_load(dns_zt_t *zt, isc_boolean_t stop) {
-	isc_result_t result;
-
-	REQUIRE(VALID_ZT(zt));
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_read);
-	result = dns_zt_apply(zt, stop, load, NULL);
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
-	return (result);
-}
-
-static isc_result_t
-load(dns_zone_t *zone, void *uap) {
-	isc_result_t result;
-	UNUSED(uap);
-	result = dns_zone_load(zone);
-	if (result == DNS_R_CONTINUE || result == DNS_R_UPTODATE)
-		result = ISC_R_SUCCESS;
-	return (result);
-}
-
-isc_result_t
-dns_zt_loadnew(dns_zt_t *zt, isc_boolean_t stop) {
-	isc_result_t result;
-
-	REQUIRE(VALID_ZT(zt));
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_read);
-	result = dns_zt_apply(zt, stop, loadnew, NULL);
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
-	return (result);
-}
-
-static isc_result_t
-loadnew(dns_zone_t *zone, void *uap) {
-	isc_result_t result;
-	UNUSED(uap);
-	result = dns_zone_loadnew(zone);
-	if (result == DNS_R_CONTINUE || result == DNS_R_UPTODATE ||
-	    result == DNS_R_DYNAMIC)
-		result = ISC_R_SUCCESS;
-	return (result);
-}
-
-isc_result_t
-dns_zt_freezezones(dns_zt_t *zt, isc_boolean_t freeze) {
-	isc_result_t result, tresult;
-
-	REQUIRE(VALID_ZT(zt));
-
-	RWLOCK(&zt->rwlock, isc_rwlocktype_read);
-	result = dns_zt_apply2(zt, ISC_FALSE, &tresult, freezezones, &freeze);
-	RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
-	return ((result == ISC_R_SUCCESS) ? tresult : result);
-}
-
-static isc_result_t
-freezezones(dns_zone_t *zone, void *uap) {
-	isc_boolean_t freeze = *(isc_boolean_t *)uap;
-	isc_boolean_t frozen;
-	isc_result_t result = ISC_R_SUCCESS;
-	char classstr[DNS_RDATACLASS_FORMATSIZE];
-	char zonename[DNS_NAME_FORMATSIZE];
-	dns_view_t *view;
-	char *journal;
-	const char *vname;
-	const char *sep;
-	int level;
-
-	if (dns_zone_gettype(zone) != dns_zone_master)
-		return (ISC_R_SUCCESS);
-
-	frozen = dns_zone_getupdatedisabled(zone);
-	if (freeze) {
-		if (frozen)
-			result = DNS_R_FROZEN;
-		if (result == ISC_R_SUCCESS)
-			result = dns_zone_flush(zone);
-		if (result == ISC_R_SUCCESS) {
-			journal = dns_zone_getjournal(zone);
-			if (journal != NULL)
-				(void)isc_file_remove(journal);
-		}
-	} else {
-		if (frozen) {
-			result = dns_zone_load(zone);
-			if (result == DNS_R_CONTINUE ||
-			    result == DNS_R_UPTODATE)
-				result = ISC_R_SUCCESS;
-		}
-	}
-	if (result == ISC_R_SUCCESS)
-		dns_zone_setupdatedisabled(zone, freeze);
-	view = dns_zone_getview(zone);
-	if (strcmp(view->name, "_bind") == 0 ||
-	    strcmp(view->name, "_default") == 0)
-	{
-		vname = "";
-		sep = "";
-	} else {
-		vname = view->name;
-		sep = " ";
-	}
-	dns_rdataclass_format(dns_zone_getclass(zone), classstr,
-			      sizeof(classstr));
-	dns_name_format(dns_zone_getorigin(zone), zonename, sizeof(zonename));
-	level = (result != ISC_R_SUCCESS) ? ISC_LOG_ERROR : ISC_LOG_DEBUG(1);
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
-		      level, "%s zone '%s/%s'%s%s: %s",
-		      freeze ? "freezing" : "thawing",
-		      zonename, classstr, sep, vname,
-		      isc_result_totext(result));
-	return (result);
-}
-
-isc_result_t
-dns_zt_apply(dns_zt_t *zt, isc_boolean_t stop,
-	     isc_result_t (*action)(dns_zone_t *, void *), void *uap)
-{
-	return (dns_zt_apply2(zt, stop, NULL, action, uap));
-}
-
-isc_result_t
-dns_zt_apply2(dns_zt_t *zt, isc_boolean_t stop, isc_result_t *sub,
-	      isc_result_t (*action)(dns_zone_t *, void *), void *uap)
-{
-	dns_rbtnode_t *node;
-	dns_rbtnodechain_t chain;
-	isc_result_t result, tresult = ISC_R_SUCCESS;
-	dns_zone_t *zone;
-
-	REQUIRE(VALID_ZT(zt));
-	REQUIRE(action != NULL);
-
-	dns_rbtnodechain_init(&chain, zt->mctx);
-	result = dns_rbtnodechain_first(&chain, zt->table, NULL, NULL);
-	if (result == ISC_R_NOTFOUND) {
-		/*
-		 * The tree is empty.
-		 */
-		result = ISC_R_NOMORE;
-	}
-	while (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) {
-		result = dns_rbtnodechain_current(&chain, NULL, NULL,
-						  &node);
-		if (result == ISC_R_SUCCESS) {
-			zone = node->data;
-			if (zone != NULL)
-				result = (action)(zone, uap);
-			if (result != ISC_R_SUCCESS && stop) {
-				tresult = result;
-				goto cleanup;	/* don't break */
-			} else if (result != ISC_R_SUCCESS &&
-				   tresult == ISC_R_SUCCESS)
-				tresult = result;
-		}
-		result = dns_rbtnodechain_next(&chain, NULL, NULL);
-	}
-	if (result == ISC_R_NOMORE)
-		result = ISC_R_SUCCESS;
-
- cleanup:
-	dns_rbtnodechain_invalidate(&chain);
-	if (sub != NULL)
-		*sub = tresult;
-
-	return (result);
-}
-
-/***
- *** Private
- ***/
-
-static void
-auto_detach(void *data, void *arg) {
-	dns_zone_t *zone = data;
-
-	UNUSED(arg);
-
-	dns_zone_detach(&zone);
-}