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/*
* nsd-checkzone.c -- nsd-checkzone(8) checks zones for syntax errors
*
* Copyright (c) 2013, NLnet Labs. All rights reserved.
*
* See LICENSE for the license.
*
*/
#include "config.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include "nsd.h"
#include "options.h"
#include "util.h"
#include "zonec.h"
static void error(const char *format, ...) ATTR_FORMAT(printf, 1, 2);
struct nsd nsd;
/*
* Print the help text.
*
*/
static void
usage (void)
{
fprintf(stderr, "Usage: nsd-checkzone <zone name> <zone file>\n");
fprintf(stderr, "Version %s. Report bugs to <%s>.\n",
PACKAGE_VERSION, PACKAGE_BUGREPORT);
}
/*
* Something went wrong, give error messages and exit.
*
*/
static void
error(const char *format, ...)
{
va_list args;
va_start(args, format);
log_vmsg(LOG_ERR, format, args);
va_end(args);
exit(1);
}
static void
check_zone(struct nsd* nsd, const char* name, const char* fname)
{
const dname_type* dname;
zone_options_type* zo;
zone_type* zone;
unsigned errors;
/* init*/
nsd->db = namedb_open("", nsd->options);
dname = dname_parse(nsd->options->region, name);
if(!dname) {
/* parse failure */
error("cannot parse zone name '%s'", name);
}
zo = zone_options_create(nsd->options->region);
memset(zo, 0, sizeof(*zo));
zo->node.key = dname;
zo->name = name;
zone = namedb_zone_create(nsd->db, dname, zo);
/* read the zone */
errors = zonec_read(name, fname, zone);
if(errors > 0) {
printf("zone %s file %s has %u errors\n", name, fname, errors);
exit(1);
}
printf("zone %s is ok\n", name);
namedb_close(nsd->db);
}
/* dummy functions to link */
int writepid(struct nsd * ATTR_UNUSED(nsd))
{
return 0;
}
void unlinkpid(const char * ATTR_UNUSED(file))
{
}
void bind8_stats(struct nsd * ATTR_UNUSED(nsd))
{
}
void sig_handler(int ATTR_UNUSED(sig))
{
}
extern char *optarg;
extern int optind;
int
main(int argc, char *argv[])
{
/* Scratch variables... */
int c;
struct nsd nsd;
memset(&nsd, 0, sizeof(nsd));
log_init("nsd-checkzone");
/* Parse the command line... */
while ((c = getopt(argc, argv, "h")) != -1) {
switch (c) {
case 'h':
usage();
exit(0);
case '?':
default:
usage();
exit(1);
}
}
argc -= optind;
argv += optind;
/* Commandline parse error */
if (argc != 2) {
fprintf(stderr, "wrong number of arguments.\n");
usage();
exit(1);
}
nsd.options = nsd_options_create(region_create_custom(xalloc, free,
DEFAULT_CHUNK_SIZE, DEFAULT_LARGE_OBJECT_SIZE,
DEFAULT_INITIAL_CLEANUP_SIZE, 1));
if (verbosity == 0)
verbosity = nsd.options->verbosity;
check_zone(&nsd, argv[0], argv[1]);
region_destroy(nsd.options->region);
/* yylex_destroy(); but, not available in all versions of flex */
exit(0);
}
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