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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
commit3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch)
tree2e1c188dd7b8d7475cd163de9ae02c428343669b /bin/tests/system/dyndb/driver/instance.c
parentInitial commit. (diff)
downloadbind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.tar.xz
bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.zip
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bin/tests/system/dyndb/driver/instance.c')
-rw-r--r--bin/tests/system/dyndb/driver/instance.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/bin/tests/system/dyndb/driver/instance.c b/bin/tests/system/dyndb/driver/instance.c
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND 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 https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2009-2015 Red Hat
+ *
+ * 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 AUTHORS 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.
+ */
+
+/*
+ * Driver instance object.
+ *
+ * One instance is equivalent to dynamic-db section in named.conf.
+ * This module parses arguments and provide high-level operations
+ * instance init/zone load/instance destroy.
+ */
+
+#include "instance.h"
+
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/dyndb.h>
+#include <dns/fixedname.h>
+#include <dns/name.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include "db.h"
+#include "log.h"
+#include "util.h"
+#include "zone.h"
+
+/*
+ * Parse parameters and convert them to zone names. Caller has to deallocate
+ * resulting DNS names.
+ *
+ * @param[in] argv NULL-terminated string array of length 2 (excluding NULL)
+ * Each string has to be a valid DNS name.
+ * @param[out] z1 Zone name from argv[0]
+ * @param[out] z2 Zone name from argv[1]
+ */
+static isc_result_t
+parse_params(isc_mem_t *mctx, int argc, char **argv, dns_name_t *z1,
+ dns_name_t *z2) {
+ isc_result_t result;
+ int i;
+
+ REQUIRE(argv != NULL);
+ REQUIRE(z1 != NULL);
+ REQUIRE(z2 != NULL);
+
+ for (i = 0; i < argc; i++) {
+ log_info("param: '%s'", argv[i]);
+ }
+ log_info("number of params: %d", i);
+
+ if (argc != 2) {
+ log_error("exactly two parameters "
+ "(absolute zone names) are required");
+ result = ISC_R_FAILURE;
+ goto cleanup;
+ }
+ result = dns_name_fromstring2(z1, argv[0], dns_rootname, 0, mctx);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "parse_params: dns_name_fromstring2 -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+ result = dns_name_fromstring2(z2, argv[1], dns_rootname, 0, mctx);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "parse_params: dns_name_fromstring2 -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+
+ result = ISC_R_SUCCESS;
+
+cleanup:
+ return (result);
+}
+
+/*
+ * Initialize new driver instance. It will not create zones until
+ * load_sample_instance_zones() is called.
+ */
+isc_result_t
+new_sample_instance(isc_mem_t *mctx, const char *db_name, int argc, char **argv,
+ const dns_dyndbctx_t *dctx,
+ sample_instance_t **sample_instp) {
+ isc_result_t result;
+ sample_instance_t *inst = NULL;
+
+ REQUIRE(sample_instp != NULL && *sample_instp == NULL);
+
+ CHECKED_MEM_GET_PTR(mctx, inst);
+ ZERO_PTR(inst);
+ isc_mem_attach(mctx, &inst->mctx);
+
+ inst->db_name = isc_mem_strdup(mctx, db_name);
+
+ inst->zone1_name = dns_fixedname_initname(&inst->zone1_fn);
+ inst->zone2_name = dns_fixedname_initname(&inst->zone2_fn);
+
+ result = parse_params(mctx, argc, argv, inst->zone1_name,
+ inst->zone2_name);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "new_sample_instance: parse_params -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+
+ dns_view_attach(dctx->view, &inst->view);
+ dns_zonemgr_attach(dctx->zmgr, &inst->zmgr);
+ isc_task_attach(dctx->task, &inst->task);
+
+ /* Register new DNS DB implementation. */
+ result = dns_db_register(db_name, create_db, inst, mctx, &inst->db_imp);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "new_sample_instance: dns_db_register -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+
+ *sample_instp = inst;
+ result = ISC_R_SUCCESS;
+
+cleanup:
+ if (result != ISC_R_SUCCESS) {
+ destroy_sample_instance(&inst);
+ }
+ return (result);
+}
+
+/*
+ * Create empty zones, add fake SOA, NS, and A records, load fake zones
+ * and add them to inst->view.
+ */
+isc_result_t
+load_sample_instance_zones(sample_instance_t *inst) {
+ isc_result_t result;
+
+ result = create_zone(inst, inst->zone1_name, &inst->zone1);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "load_sample_instance_zones: create_zone -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+ result = activate_zone(inst, inst->zone1);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "load_sample_instance_zones: activate_zone -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+
+ result = create_zone(inst, inst->zone2_name, &inst->zone2);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "load_sample_instance_zones: create_zone -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+ result = activate_zone(inst, inst->zone2);
+ if (result != ISC_R_SUCCESS) {
+ log_write(ISC_LOG_ERROR,
+ "load_sample_instance_zones: activate_zone -> %s",
+ isc_result_totext(result));
+ goto cleanup;
+ }
+
+cleanup:
+ return (result);
+}
+
+void
+destroy_sample_instance(sample_instance_t **instp) {
+ sample_instance_t *inst;
+ REQUIRE(instp != NULL);
+
+ inst = *instp;
+ *instp = NULL;
+ if (inst == NULL) {
+ return;
+ }
+
+ if (inst->db_name != NULL) {
+ isc_mem_free(inst->mctx, inst->db_name);
+ }
+ if (inst->zone1 != NULL) {
+ dns_zone_detach(&inst->zone1);
+ }
+ if (inst->zone2 != NULL) {
+ dns_zone_detach(&inst->zone2);
+ }
+ if (inst->db_imp != NULL) {
+ dns_db_unregister(&inst->db_imp);
+ }
+
+ dns_view_detach(&inst->view);
+ dns_zonemgr_detach(&inst->zmgr);
+ isc_task_detach(&inst->task);
+
+ MEM_PUT_AND_DETACH(inst);
+}