Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 336 insertions, 0 deletions

diff --git a/contrib/dlz/drivers/dlz_stub_driver.c b/contrib/dlz/drivers/dlz_stub_driver.c
new file mode 100644
index 0000000..f873c1e
--- /dev/null
+++ b/contrib/dlz/drivers/dlz_stub_driver.c
@@ -0,0 +1,336 @@
+/*
+ * Copyright (C) 2002 Stichting NLnet, Netherlands, stichting@nlnet.nl.
+ *
+ * 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 STICHTING NLNET
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * STICHTING NLNET 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.
+ *
+ * The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
+ * conceived and contributed by Rob Butler.
+ *
+ * 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 ROB BUTLER
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * ROB BUTLER 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.
+ */
+
+/*
+ * Copyright (C) 1999-2001, 2016  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifdef DLZ_STUB
+
+#include <config.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <dns/log.h>
+#include <dns/sdlz.h>
+#include <dns/result.h>
+
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/util.h>
+
+#include <named/globals.h>
+
+#include <dlz/dlz_stub_driver.h>
+
+static dns_sdlzimplementation_t *dlz_stub = NULL;
+
+typedef struct config_data {
+	char		*myzone;
+	char		*myname;
+	char		*myip;
+	isc_mem_t	*mctx;
+} config_data_t;
+
+/*
+ * SDLZ methods
+ */
+
+static isc_result_t
+stub_dlz_allnodes(const char *zone, void *driverarg, void *dbdata,
+		  dns_sdlzallnodes_t *allnodes)
+{
+	config_data_t *cd;
+	isc_result_t result;
+
+	UNUSED(zone);
+	UNUSED(driverarg);
+
+	cd = (config_data_t *) dbdata;
+
+	result = dns_sdlz_putnamedrr(allnodes, cd->myname, "soa", 86400,
+				     "web root.localhost. "
+				     "0 28800 7200 604800 86400");
+	if (result != ISC_R_SUCCESS)
+		return (ISC_R_FAILURE);
+	result = dns_sdlz_putnamedrr(allnodes, "ns", "ns", 86400, cd->myname);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_R_FAILURE);
+	result = dns_sdlz_putnamedrr(allnodes, cd->myname, "a", 1, cd->myip);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_R_FAILURE);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+stub_dlz_allowzonexfr(void *driverarg, void *dbdata, const char *name,
+		      const char *client)
+{
+	UNUSED(driverarg);
+	UNUSED(dbdata);
+	UNUSED(name);
+	UNUSED(client);
+	return ISC_R_SUCCESS;
+}
+
+static isc_result_t
+stub_dlz_authority(const char *zone, void *driverarg, void *dbdata,
+		   dns_sdlzlookup_t *lookup)
+{
+	isc_result_t result;
+	config_data_t *cd;
+
+	UNUSED(driverarg);
+
+	cd = (config_data_t *) dbdata;
+
+	if (strcmp(zone, cd->myzone) == 0) {
+		result = dns_sdlz_putsoa(lookup, cd->myname,
+					 "root.localhost.", 0);
+		if (result != ISC_R_SUCCESS)
+			return (ISC_R_FAILURE);
+
+		result = dns_sdlz_putrr(lookup, "ns", 86400, cd->myname);
+		if (result != ISC_R_SUCCESS)
+			return (ISC_R_FAILURE);
+
+		return (ISC_R_SUCCESS);
+	}
+	return (ISC_R_NOTFOUND);
+}
+
+static isc_result_t
+stub_dlz_findzonedb(void *driverarg, void *dbdata, const char *name,
+		    dns_clientinfomethods_t *methods,
+		    dns_clientinfo_t *clientinfo)
+{
+
+	config_data_t *cd;
+
+	UNUSED(driverarg);
+	UNUSED(methods);
+	UNUSED(clientinfo);
+
+	cd = (config_data_t *) dbdata;
+
+	/* Write info message to log */
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
+		      "dlz_stub findzone looking for '%s'", name);
+
+	if (strcmp(cd->myzone, name) == 0)
+		return (ISC_R_SUCCESS);
+	else
+		return (ISC_R_NOTFOUND);
+}
+
+
+static isc_result_t
+stub_dlz_lookup(const char *zone, const char *name, void *driverarg,
+		void *dbdata, dns_sdlzlookup_t *lookup,
+		dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo)
+{
+	isc_result_t result;
+	config_data_t *cd;
+
+	UNUSED(zone);
+	UNUSED(driverarg);
+	UNUSED(methods);
+	UNUSED(clientinfo);
+
+	cd = (config_data_t *) dbdata;
+
+	if (strcmp(name, cd->myname) == 0) {
+		result = dns_sdlz_putrr(lookup, "a", 1, cd->myip);
+		if (result != ISC_R_SUCCESS)
+			return (ISC_R_FAILURE);
+
+		return (ISC_R_SUCCESS);
+	}
+	return (ISC_R_FAILURE);
+
+}
+
+
+static isc_result_t
+stub_dlz_create(const char *dlzname, unsigned int argc, char *argv[],
+		void *driverarg, void **dbdata)
+{
+
+	config_data_t *cd;
+
+	UNUSED(driverarg);
+
+	if (argc < 4)
+		return (ISC_R_FAILURE);
+	/*
+	 * Write info message to log
+	 */
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		      DNS_LOGMODULE_DLZ, ISC_LOG_INFO,
+		      "Loading '%s' using DLZ_stub driver. "
+		      "Zone: %s, Name: %s IP: %s",
+		      dlzname, argv[1], argv[2], argv[3]);
+
+	cd = isc_mem_get(ns_g_mctx, sizeof(config_data_t));
+	if ((cd) == NULL) {
+		return (ISC_R_NOMEMORY);
+	}
+
+	memset(cd, 0, sizeof(config_data_t));
+
+	cd->myzone = isc_mem_strdup(ns_g_mctx, argv[1]);
+	if (cd->myzone == NULL) {
+		isc_mem_put(ns_g_mctx, cd, sizeof(config_data_t));
+		return (ISC_R_NOMEMORY);
+	}
+
+	cd->myname = isc_mem_strdup(ns_g_mctx, argv[2]);
+	if (cd->myname == NULL) {
+		isc_mem_put(ns_g_mctx, cd, sizeof(config_data_t));
+		isc_mem_free(ns_g_mctx, cd->myzone);
+		return (ISC_R_NOMEMORY);
+	}
+
+	cd->myip = isc_mem_strdup(ns_g_mctx, argv[3]);
+	if (cd->myip == NULL) {
+		isc_mem_put(ns_g_mctx, cd, sizeof(config_data_t));
+		isc_mem_free(ns_g_mctx, cd->myname);
+		isc_mem_free(ns_g_mctx, cd->myzone);
+		return (ISC_R_NOMEMORY);
+	}
+
+	isc_mem_attach(ns_g_mctx, &cd->mctx);
+
+	*dbdata = cd;
+
+	return(ISC_R_SUCCESS);
+}
+
+static void
+stub_dlz_destroy(void *driverarg, void *dbdata)
+{
+	config_data_t *cd;
+	isc_mem_t *mctx;
+
+	UNUSED(driverarg);
+
+	cd = (config_data_t *) dbdata;
+
+	/*
+	 * Write debugging message to log
+	 */
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
+		      "Unloading DLZ_stub driver.");
+
+	isc_mem_free(ns_g_mctx, cd->myzone);
+	isc_mem_free(ns_g_mctx, cd->myname);
+	isc_mem_free(ns_g_mctx, cd->myip);
+	mctx = cd->mctx;
+	isc_mem_put(mctx, cd, sizeof(config_data_t));
+	isc_mem_detach(&mctx);
+}
+
+static dns_sdlzmethods_t dlz_stub_methods = {
+	stub_dlz_create,
+	stub_dlz_destroy,
+	stub_dlz_findzonedb,
+	stub_dlz_lookup,
+	stub_dlz_authority,
+	stub_dlz_allnodes,
+	stub_dlz_allowzonexfr,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+};
+
+/*%
+ * Wrapper around dns_sdlzregister().
+ */
+isc_result_t
+dlz_stub_init(void) {
+	isc_result_t result;
+
+	/*
+	 * Write debugging message to log
+	 */
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
+		      "Registering DLZ_stub driver.");
+
+	result = dns_sdlzregister("dlz_stub", &dlz_stub_methods, NULL,
+				  DNS_SDLZFLAG_RELATIVEOWNER |
+				  DNS_SDLZFLAG_RELATIVERDATA,
+				  ns_g_mctx, &dlz_stub);
+	if (result != ISC_R_SUCCESS) {
+		UNEXPECTED_ERROR(__FILE__, __LINE__,
+				 "dns_sdlzregister() failed: %s",
+				 isc_result_totext(result));
+		result = ISC_R_UNEXPECTED;
+	}
+
+
+	return result;
+}
+
+/*
+ * Wrapper around dns_sdlzunregister().
+ */
+void
+dlz_stub_clear(void) {
+
+	/*
+	 * Write debugging message to log
+	 */
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
+		      "Unregistering DLZ_stub driver.");
+
+	if (dlz_stub != NULL)
+		dns_sdlzunregister(&dlz_stub);
+}
+
+#endif