Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream

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

1 files changed, 771 insertions, 0 deletions

diff --git a/bin/check/named-checkconf.c b/bin/check/named-checkconf.c
new file mode 100644
index 0000000..9e54d34
--- /dev/null
+++ b/bin/check/named-checkconf.c
@@ -0,0 +1,771 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * 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.
+ */
+
+/*! \file */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <isc/commandline.h>
+#include <isc/dir.h>
+#include <isc/hash.h>
+#include <isc/log.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/fixedname.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/rdataclass.h>
+#include <dns/result.h>
+#include <dns/rootns.h>
+#include <dns/zone.h>
+
+#include <isccfg/grammar.h>
+#include <isccfg/namedconf.h>
+
+#include <bind9/check.h>
+
+#include "check-tool.h"
+
+static const char *program = "named-checkconf";
+
+static bool loadplugins = true;
+
+isc_log_t *logc = NULL;
+
+#define CHECK(r)                             \
+	do {                                 \
+		result = (r);                \
+		if (result != ISC_R_SUCCESS) \
+			goto cleanup;        \
+	} while (0)
+
+/*% usage */
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr,
+		"usage: %s [-chijlvz] [-p [-x]] [-t directory] "
+		"[named.conf]\n",
+		program);
+	exit(1);
+}
+
+/*% directory callback */
+static isc_result_t
+directory_callback(const char *clausename, const cfg_obj_t *obj, void *arg) {
+	isc_result_t result;
+	const char *directory;
+
+	REQUIRE(strcasecmp("directory", clausename) == 0);
+
+	UNUSED(arg);
+	UNUSED(clausename);
+
+	/*
+	 * Change directory.
+	 */
+	directory = cfg_obj_asstring(obj);
+	result = isc_dir_chdir(directory);
+	if (result != ISC_R_SUCCESS) {
+		cfg_obj_log(obj, logc, ISC_LOG_ERROR,
+			    "change directory to '%s' failed: %s\n", directory,
+			    isc_result_totext(result));
+		return (result);
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+static bool
+get_maps(const cfg_obj_t **maps, const char *name, const cfg_obj_t **obj) {
+	int i;
+	for (i = 0;; i++) {
+		if (maps[i] == NULL) {
+			return (false);
+		}
+		if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS) {
+			return (true);
+		}
+	}
+}
+
+static bool
+get_checknames(const cfg_obj_t **maps, const cfg_obj_t **obj) {
+	const cfg_listelt_t *element;
+	const cfg_obj_t *checknames;
+	const cfg_obj_t *type;
+	const cfg_obj_t *value;
+	isc_result_t result;
+	int i;
+
+	for (i = 0;; i++) {
+		if (maps[i] == NULL) {
+			return (false);
+		}
+		checknames = NULL;
+		result = cfg_map_get(maps[i], "check-names", &checknames);
+		if (result != ISC_R_SUCCESS) {
+			continue;
+		}
+		if (checknames != NULL && !cfg_obj_islist(checknames)) {
+			*obj = checknames;
+			return (true);
+		}
+		for (element = cfg_list_first(checknames); element != NULL;
+		     element = cfg_list_next(element))
+		{
+			value = cfg_listelt_value(element);
+			type = cfg_tuple_get(value, "type");
+			if ((strcasecmp(cfg_obj_asstring(type), "primary") !=
+			     0) &&
+			    (strcasecmp(cfg_obj_asstring(type), "master") != 0))
+			{
+				continue;
+			}
+			*obj = cfg_tuple_get(value, "mode");
+			return (true);
+		}
+	}
+}
+
+static isc_result_t
+configure_hint(const char *zfile, const char *zclass, isc_mem_t *mctx) {
+	isc_result_t result;
+	dns_db_t *db = NULL;
+	dns_rdataclass_t rdclass;
+	isc_textregion_t r;
+
+	if (zfile == NULL) {
+		return (ISC_R_FAILURE);
+	}
+
+	DE_CONST(zclass, r.base);
+	r.length = strlen(zclass);
+	result = dns_rdataclass_fromtext(&rdclass, &r);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	result = dns_rootns_create(mctx, rdclass, zfile, &db);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	dns_db_detach(&db);
+	return (ISC_R_SUCCESS);
+}
+
+/*% configure the zone */
+static isc_result_t
+configure_zone(const char *vclass, const char *view, const cfg_obj_t *zconfig,
+	       const cfg_obj_t *vconfig, const cfg_obj_t *config,
+	       isc_mem_t *mctx, bool list) {
+	int i = 0;
+	isc_result_t result;
+	const char *zclass;
+	const char *zname;
+	const char *zfile = NULL;
+	const cfg_obj_t *maps[4];
+	const cfg_obj_t *primariesobj = NULL;
+	const cfg_obj_t *inviewobj = NULL;
+	const cfg_obj_t *zoptions = NULL;
+	const cfg_obj_t *classobj = NULL;
+	const cfg_obj_t *typeobj = NULL;
+	const cfg_obj_t *fileobj = NULL;
+	const cfg_obj_t *dlzobj = NULL;
+	const cfg_obj_t *dbobj = NULL;
+	const cfg_obj_t *obj = NULL;
+	const cfg_obj_t *fmtobj = NULL;
+	dns_masterformat_t masterformat;
+	dns_ttl_t maxttl = 0;
+
+	zone_options = DNS_ZONEOPT_CHECKNS | DNS_ZONEOPT_MANYERRORS;
+
+	zname = cfg_obj_asstring(cfg_tuple_get(zconfig, "name"));
+	classobj = cfg_tuple_get(zconfig, "class");
+	if (!cfg_obj_isstring(classobj)) {
+		zclass = vclass;
+	} else {
+		zclass = cfg_obj_asstring(classobj);
+	}
+
+	zoptions = cfg_tuple_get(zconfig, "options");
+	maps[i++] = zoptions;
+	if (vconfig != NULL) {
+		maps[i++] = cfg_tuple_get(vconfig, "options");
+	}
+	if (config != NULL) {
+		cfg_map_get(config, "options", &obj);
+		if (obj != NULL) {
+			maps[i++] = obj;
+		}
+	}
+	maps[i] = NULL;
+
+	cfg_map_get(zoptions, "in-view", &inviewobj);
+	if (inviewobj != NULL && list) {
+		const char *inview = cfg_obj_asstring(inviewobj);
+		printf("%s %s %s in-view %s\n", zname, zclass, view, inview);
+	}
+	if (inviewobj != NULL) {
+		return (ISC_R_SUCCESS);
+	}
+
+	cfg_map_get(zoptions, "type", &typeobj);
+	if (typeobj == NULL) {
+		return (ISC_R_FAILURE);
+	}
+
+	if (list) {
+		const char *ztype = cfg_obj_asstring(typeobj);
+		printf("%s %s %s %s\n", zname, zclass, view, ztype);
+		return (ISC_R_SUCCESS);
+	}
+
+	/*
+	 * Skip checks when using an alternate data source.
+	 */
+	cfg_map_get(zoptions, "database", &dbobj);
+	if (dbobj != NULL && strcmp("rbt", cfg_obj_asstring(dbobj)) != 0 &&
+	    strcmp("rbt64", cfg_obj_asstring(dbobj)) != 0)
+	{
+		return (ISC_R_SUCCESS);
+	}
+
+	cfg_map_get(zoptions, "dlz", &dlzobj);
+	if (dlzobj != NULL) {
+		return (ISC_R_SUCCESS);
+	}
+
+	cfg_map_get(zoptions, "file", &fileobj);
+	if (fileobj != NULL) {
+		zfile = cfg_obj_asstring(fileobj);
+	}
+
+	/*
+	 * Check hints files for hint zones.
+	 * Skip loading checks for any type other than
+	 * master and redirect
+	 */
+	if (strcasecmp(cfg_obj_asstring(typeobj), "hint") == 0) {
+		return (configure_hint(zfile, zclass, mctx));
+	} else if ((strcasecmp(cfg_obj_asstring(typeobj), "primary") != 0) &&
+		   (strcasecmp(cfg_obj_asstring(typeobj), "master") != 0) &&
+		   (strcasecmp(cfg_obj_asstring(typeobj), "redirect") != 0))
+	{
+		return (ISC_R_SUCCESS);
+	}
+
+	/*
+	 * Is the redirect zone configured as a slave?
+	 */
+	if (strcasecmp(cfg_obj_asstring(typeobj), "redirect") == 0) {
+		cfg_map_get(zoptions, "primaries", &primariesobj);
+		if (primariesobj == NULL) {
+			cfg_map_get(zoptions, "masters", &primariesobj);
+		}
+
+		if (primariesobj != NULL) {
+			return (ISC_R_SUCCESS);
+		}
+	}
+
+	if (zfile == NULL) {
+		return (ISC_R_FAILURE);
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-dup-records", &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKDUPRR;
+			zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKDUPRR;
+			zone_options |= DNS_ZONEOPT_CHECKDUPRRFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options &= ~DNS_ZONEOPT_CHECKDUPRR;
+			zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKDUPRR;
+		zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-mx", &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKMX;
+			zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKMX;
+			zone_options |= DNS_ZONEOPT_CHECKMXFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options &= ~DNS_ZONEOPT_CHECKMX;
+			zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKMX;
+		zone_options &= ~DNS_ZONEOPT_CHECKMXFAIL;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-integrity", &obj)) {
+		if (cfg_obj_asboolean(obj)) {
+			zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
+		} else {
+			zone_options &= ~DNS_ZONEOPT_CHECKINTEGRITY;
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKINTEGRITY;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-mx-cname", &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_WARNMXCNAME;
+			zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
+			zone_options &= ~DNS_ZONEOPT_WARNMXCNAME;
+			zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options |= DNS_ZONEOPT_WARNMXCNAME;
+			zone_options |= DNS_ZONEOPT_IGNOREMXCNAME;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_WARNMXCNAME;
+		zone_options &= ~DNS_ZONEOPT_IGNOREMXCNAME;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-srv-cname", &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
+			zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
+			zone_options &= ~DNS_ZONEOPT_WARNSRVCNAME;
+			zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
+			zone_options |= DNS_ZONEOPT_IGNORESRVCNAME;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_WARNSRVCNAME;
+		zone_options &= ~DNS_ZONEOPT_IGNORESRVCNAME;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-sibling", &obj)) {
+		if (cfg_obj_asboolean(obj)) {
+			zone_options |= DNS_ZONEOPT_CHECKSIBLING;
+		} else {
+			zone_options &= ~DNS_ZONEOPT_CHECKSIBLING;
+		}
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-spf", &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKSPF;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options &= ~DNS_ZONEOPT_CHECKSPF;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKSPF;
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "check-wildcard", &obj)) {
+		if (cfg_obj_asboolean(obj)) {
+			zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
+		} else {
+			zone_options &= ~DNS_ZONEOPT_CHECKWILDCARD;
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKWILDCARD;
+	}
+
+	obj = NULL;
+	if (get_checknames(maps, &obj)) {
+		if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKNAMES;
+			zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) {
+			zone_options |= DNS_ZONEOPT_CHECKNAMES;
+			zone_options |= DNS_ZONEOPT_CHECKNAMESFAIL;
+		} else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) {
+			zone_options &= ~DNS_ZONEOPT_CHECKNAMES;
+			zone_options &= ~DNS_ZONEOPT_CHECKNAMESFAIL;
+		} else {
+			UNREACHABLE();
+		}
+	} else {
+		zone_options |= DNS_ZONEOPT_CHECKNAMES;
+		zone_options |= DNS_ZONEOPT_CHECKNAMESFAIL;
+	}
+
+	masterformat = dns_masterformat_text;
+	fmtobj = NULL;
+	if (get_maps(maps, "masterfile-format", &fmtobj)) {
+		const char *masterformatstr = cfg_obj_asstring(fmtobj);
+		if (strcasecmp(masterformatstr, "text") == 0) {
+			masterformat = dns_masterformat_text;
+		} else if (strcasecmp(masterformatstr, "raw") == 0) {
+			masterformat = dns_masterformat_raw;
+		} else if (strcasecmp(masterformatstr, "map") == 0) {
+			masterformat = dns_masterformat_map;
+		} else {
+			UNREACHABLE();
+		}
+	}
+
+	obj = NULL;
+	if (get_maps(maps, "max-zone-ttl", &obj)) {
+		maxttl = cfg_obj_asduration(obj);
+		zone_options |= DNS_ZONEOPT_CHECKTTL;
+	}
+
+	result = load_zone(mctx, zname, zfile, masterformat, zclass, maxttl,
+			   NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "%s/%s/%s: %s\n", view, zname, zclass,
+			dns_result_totext(result));
+	}
+	return (result);
+}
+
+/*% configure a view */
+static isc_result_t
+configure_view(const char *vclass, const char *view, const cfg_obj_t *config,
+	       const cfg_obj_t *vconfig, isc_mem_t *mctx, bool list) {
+	const cfg_listelt_t *element;
+	const cfg_obj_t *voptions;
+	const cfg_obj_t *zonelist;
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_result_t tresult;
+
+	voptions = NULL;
+	if (vconfig != NULL) {
+		voptions = cfg_tuple_get(vconfig, "options");
+	}
+
+	zonelist = NULL;
+	if (voptions != NULL) {
+		(void)cfg_map_get(voptions, "zone", &zonelist);
+	} else {
+		(void)cfg_map_get(config, "zone", &zonelist);
+	}
+
+	for (element = cfg_list_first(zonelist); element != NULL;
+	     element = cfg_list_next(element))
+	{
+		const cfg_obj_t *zconfig = cfg_listelt_value(element);
+		tresult = configure_zone(vclass, view, zconfig, vconfig, config,
+					 mctx, list);
+		if (tresult != ISC_R_SUCCESS) {
+			result = tresult;
+		}
+	}
+	return (result);
+}
+
+static isc_result_t
+config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
+		dns_rdataclass_t *classp) {
+	isc_textregion_t r;
+
+	if (!cfg_obj_isstring(classobj)) {
+		*classp = defclass;
+		return (ISC_R_SUCCESS);
+	}
+	DE_CONST(cfg_obj_asstring(classobj), r.base);
+	r.length = strlen(r.base);
+	return (dns_rdataclass_fromtext(classp, &r));
+}
+
+/*% load zones from the configuration */
+static isc_result_t
+load_zones_fromconfig(const cfg_obj_t *config, isc_mem_t *mctx,
+		      bool list_zones) {
+	const cfg_listelt_t *element;
+	const cfg_obj_t *views;
+	const cfg_obj_t *vconfig;
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_result_t tresult;
+
+	views = NULL;
+
+	(void)cfg_map_get(config, "view", &views);
+	for (element = cfg_list_first(views); element != NULL;
+	     element = cfg_list_next(element))
+	{
+		const cfg_obj_t *classobj;
+		dns_rdataclass_t viewclass;
+		const char *vname;
+		char buf[sizeof("CLASS65535")];
+
+		vconfig = cfg_listelt_value(element);
+		if (vconfig == NULL) {
+			continue;
+		}
+
+		classobj = cfg_tuple_get(vconfig, "class");
+		tresult = config_getclass(classobj, dns_rdataclass_in,
+					  &viewclass);
+		if (tresult != ISC_R_SUCCESS) {
+			CHECK(tresult);
+		}
+
+		if (dns_rdataclass_ismeta(viewclass)) {
+			CHECK(ISC_R_FAILURE);
+		}
+
+		dns_rdataclass_format(viewclass, buf, sizeof(buf));
+		vname = cfg_obj_asstring(cfg_tuple_get(vconfig, "name"));
+		tresult = configure_view(buf, vname, config, vconfig, mctx,
+					 list_zones);
+		if (tresult != ISC_R_SUCCESS) {
+			result = tresult;
+		}
+	}
+
+	if (views == NULL) {
+		tresult = configure_view("IN", "_default", config, NULL, mctx,
+					 list_zones);
+		if (tresult != ISC_R_SUCCESS) {
+			result = tresult;
+		}
+	}
+
+cleanup:
+	return (result);
+}
+
+static void
+output(void *closure, const char *text, int textlen) {
+	UNUSED(closure);
+	if (fwrite(text, 1, textlen, stdout) != (size_t)textlen) {
+		perror("fwrite");
+		exit(1);
+	}
+}
+
+/*% The main processing routine */
+int
+main(int argc, char **argv) {
+	int c;
+	cfg_parser_t *parser = NULL;
+	cfg_obj_t *config = NULL;
+	const char *conffile = NULL;
+	isc_mem_t *mctx = NULL;
+	isc_result_t result;
+	int exit_status = 0;
+	bool load_zones = false;
+	bool list_zones = false;
+	bool print = false;
+	bool nodeprecate = false;
+	unsigned int flags = 0;
+
+	isc_commandline_errprint = false;
+
+	/*
+	 * Process memory debugging argument first.
+	 */
+#define CMDLINE_FLAGS "cdhijlm:t:pvxz"
+	while ((c = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+		switch (c) {
+		case 'm':
+			if (strcasecmp(isc_commandline_argument, "record") == 0)
+			{
+				isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
+			}
+			if (strcasecmp(isc_commandline_argument, "trace") == 0)
+			{
+				isc_mem_debugging |= ISC_MEM_DEBUGTRACE;
+			}
+			if (strcasecmp(isc_commandline_argument, "usage") == 0)
+			{
+				isc_mem_debugging |= ISC_MEM_DEBUGUSAGE;
+			}
+			if (strcasecmp(isc_commandline_argument, "size") == 0) {
+				isc_mem_debugging |= ISC_MEM_DEBUGSIZE;
+			}
+			if (strcasecmp(isc_commandline_argument, "mctx") == 0) {
+				isc_mem_debugging |= ISC_MEM_DEBUGCTX;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+	isc_commandline_reset = true;
+
+	isc_mem_create(&mctx);
+
+	while ((c = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != EOF) {
+		switch (c) {
+		case 'c':
+			loadplugins = false;
+			break;
+
+		case 'd':
+			debug++;
+			break;
+
+		case 'i':
+			nodeprecate = true;
+			break;
+
+		case 'j':
+			nomerge = false;
+			break;
+
+		case 'l':
+			list_zones = true;
+			break;
+
+		case 'm':
+			break;
+
+		case 't':
+			result = isc_dir_chroot(isc_commandline_argument);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr, "isc_dir_chroot: %s\n",
+					isc_result_totext(result));
+				exit(1);
+			}
+			break;
+
+		case 'p':
+			print = true;
+			break;
+
+		case 'v':
+			printf(VERSION "\n");
+			exit(0);
+
+		case 'x':
+			flags |= CFG_PRINTER_XKEY;
+			break;
+
+		case 'z':
+			load_zones = true;
+			docheckmx = false;
+			docheckns = false;
+			dochecksrv = false;
+			break;
+
+		case '?':
+			if (isc_commandline_option != '?') {
+				fprintf(stderr, "%s: invalid argument -%c\n",
+					program, isc_commandline_option);
+			}
+			FALLTHROUGH;
+		case 'h':
+			usage();
+
+		default:
+			fprintf(stderr, "%s: unhandled option -%c\n", program,
+				isc_commandline_option);
+			exit(1);
+		}
+	}
+
+	if (((flags & CFG_PRINTER_XKEY) != 0) && !print) {
+		fprintf(stderr, "%s: -x cannot be used without -p\n", program);
+		exit(1);
+	}
+	if (print && list_zones) {
+		fprintf(stderr, "%s: -l cannot be used with -p\n", program);
+		exit(1);
+	}
+
+	if (isc_commandline_index + 1 < argc) {
+		usage();
+	}
+	if (argv[isc_commandline_index] != NULL) {
+		conffile = argv[isc_commandline_index];
+	}
+	if (conffile == NULL || conffile[0] == '\0') {
+		conffile = NAMED_CONFFILE;
+	}
+
+#ifdef _WIN32
+	InitSockets();
+#endif /* ifdef _WIN32 */
+
+	RUNTIME_CHECK(setup_logging(mctx, stdout, &logc) == ISC_R_SUCCESS);
+
+	dns_result_register();
+
+	RUNTIME_CHECK(cfg_parser_create(mctx, logc, &parser) == ISC_R_SUCCESS);
+
+	if (nodeprecate) {
+		cfg_parser_setflags(parser, CFG_PCTX_NODEPRECATED, true);
+	}
+	cfg_parser_setcallback(parser, directory_callback, NULL);
+
+	if (cfg_parse_file(parser, conffile, &cfg_type_namedconf, &config) !=
+	    ISC_R_SUCCESS)
+	{
+		exit(1);
+	}
+
+	result = bind9_check_namedconf(config, loadplugins, logc, mctx);
+	if (result != ISC_R_SUCCESS) {
+		exit_status = 1;
+	}
+
+	if (result == ISC_R_SUCCESS && (load_zones || list_zones)) {
+		result = load_zones_fromconfig(config, mctx, list_zones);
+		if (result != ISC_R_SUCCESS) {
+			exit_status = 1;
+		}
+	}
+
+	if (print && exit_status == 0) {
+		cfg_printx(config, flags, output, NULL);
+	}
+	cfg_obj_destroy(parser, &config);
+
+	cfg_parser_destroy(&parser);
+
+	isc_log_destroy(&logc);
+
+	isc_mem_destroy(&mctx);
+
+#ifdef _WIN32
+	DestroySockets();
+#endif /* ifdef _WIN32 */
+
+	return (exit_status);
+}