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/*
* Copyright (C) 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/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <config.h>
#include <stdbool.h>
#include <isc/entropy.h>
#include <isc/hash.h>
#include <isc/log.h>
#include <isc/mem.h>
#include <isc/util.h>
#include <dns/db.h>
#include <dns/fixedname.h>
#include <dns/journal.h>
#include <dns/log.h>
#include <dns/name.h>
#include <isc/print.h>
#include <dns/result.h>
#include <dns/types.h>
#include <stdlib.h>
#define CHECK(r) \
do { \
result = (r); \
if (result != ISC_R_SUCCESS) \
goto cleanup; \
} while (0)
isc_mem_t *mctx = NULL;
isc_log_t *lctx = NULL;
isc_entropy_t *ectx = NULL;
static bool hash_active = false, dst_active = false;
/*
* Logging categories: this needs to match the list in bin/named/log.c.
*/
static isc_logcategory_t categories[] = {
{ "", 0 },
{ "client", 0 },
{ "network", 0 },
{ "update", 0 },
{ "queries", 0 },
{ "unmatched", 0 },
{ "update-security", 0 },
{ "query-errors", 0 },
{ NULL, 0 }
};
static isc_result_t
loadzone(dns_db_t **db, const char *origin, const char *filename) {
isc_result_t result;
dns_fixedname_t fixed;
dns_name_t *name;
name = dns_fixedname_initname(&fixed);
result = dns_name_fromstring(name, origin, 0, NULL);
if (result != ISC_R_SUCCESS)
return(result);
result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone,
dns_rdataclass_in, 0, NULL, db);
if (result != ISC_R_SUCCESS)
return (result);
result = dns_db_load(*db, filename);
return (result);
}
int
main(int argc, char **argv) {
isc_result_t result;
char *origin, *file1, *file2, *journal;
dns_db_t *olddb = NULL, *newdb = NULL;
isc_logdestination_t destination;
isc_logconfig_t *logconfig = NULL;
if (argc != 5) {
printf("usage: %s origin file1 file2 journal\n", argv[0]);
return (1);
}
origin = argv[1];
file1 = argv[2];
file2 = argv[3];
journal = argv[4];
isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
CHECK(isc_mem_create(0, 0, &mctx));
CHECK(isc_entropy_create(mctx, &ectx));
CHECK(isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE));
hash_active = true;
CHECK(dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING));
dst_active = true;
CHECK(isc_log_create(mctx, &lctx, &logconfig));
isc_log_registercategories(lctx, categories);
isc_log_setcontext(lctx);
dns_log_init(lctx);
dns_log_setcontext(lctx);
destination.file.stream = stderr;
destination.file.name = NULL;
destination.file.versions = ISC_LOG_ROLLNEVER;
destination.file.maximum_size = 0;
CHECK(isc_log_createchannel(logconfig, "stderr",
ISC_LOG_TOFILEDESC, ISC_LOG_DYNAMIC,
&destination, 0));
CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL));
dns_result_register();
result = loadzone(&olddb, origin, file1);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "Couldn't load %s: ", file1);
goto cleanup;
}
result = loadzone(&newdb, origin, file2);
if (result != ISC_R_SUCCESS) {
fprintf(stderr, "Couldn't load %s: ", file2);
goto cleanup;
}
result = dns_db_diff(mctx, newdb, NULL, olddb, NULL, journal);
cleanup:
if (result != ISC_R_SUCCESS)
fprintf(stderr, "%s\n", isc_result_totext(result));
if (newdb != NULL)
dns_db_detach(&newdb);
if (olddb != NULL)
dns_db_detach(&olddb);
if (lctx != NULL)
isc_log_destroy(&lctx);
if (dst_active) {
dst_lib_destroy();
dst_active = false;
}
if (hash_active) {
isc_hash_destroy();
hash_active = false;
}
if (ectx != NULL)
isc_entropy_detach(&ectx);
if (mctx != NULL)
isc_mem_destroy(&mctx);
return(result != ISC_R_SUCCESS ? 1 : 0);
}
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