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/* Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include "knot/catalog/catalog_db.h"
#include "utils/common/msg.h"
#include "utils/common/params.h"
#include "utils/common/util_conf.h"
#define PROGRAM_NAME "kcatalogprint"
static knot_dname_t *filter_member = NULL;
static knot_dname_t *filter_catalog = NULL;
static void print_help(void)
{
printf("Usage: %s [-c | -C | -D <path>] [parameters]\n"
"\n"
"Parameters:\n"
" -c, --config <file> Path to a textual configuration file.\n"
" (default %s)\n"
" -C, --confdb <dir> Path to a configuration database directory.\n"
" (default %s)\n"
" -D, --dir <path> Path to a catalog database directory, use default\n"
" configuration.\n"
" -a, --catalog <name> Filter the output by catalog zone name.\n"
" -m, --member <name> Filter the output by member zone name.\n"
" -h, --help Print the program help.\n"
" -V, --version Print the program version.\n",
PROGRAM_NAME, CONF_DEFAULT_FILE, CONF_DEFAULT_DBDIR);
}
static void print_dname(const knot_dname_t *d)
{
knot_dname_txt_storage_t tmp;
knot_dname_to_str(tmp, d, sizeof(tmp));
printf("%s ", tmp);
}
static int catalog_print_cb(const knot_dname_t *mem, const knot_dname_t *ow,
const knot_dname_t *cz, const char *group, void *ctx)
{
if (filter_catalog != NULL && !knot_dname_is_equal(filter_catalog, cz)) {
return KNOT_EOK;
}
print_dname(mem);
print_dname(ow);
print_dname(cz);
printf("%s\n", group);
(*(ssize_t *)ctx)++;
return KNOT_EOK;
}
static void catalog_print(catalog_t *cat)
{
ssize_t total = 0;
printf(";; <member zone> <record owner> <catalog zone> <group>\n");
if (cat != NULL) {
int ret = catalog_open(cat);
if (ret == KNOT_EOK) {
ret = catalog_apply(cat, filter_member, catalog_print_cb, &total, false);
}
if (ret != KNOT_EOK) {
ERR2("failed to print catalog (%s)", knot_strerror(ret));
return;
}
}
printf("Total records: %zd\n", total);
}
static void params_cleanup(void)
{
free(filter_member);
free(filter_catalog);
}
int main(int argc, char *argv[])
{
struct option opts[] = {
{ "config", required_argument, NULL, 'c' },
{ "confdb", required_argument, NULL, 'C' },
{ "dir", required_argument, NULL, 'D' },
{ "catalog", required_argument, NULL, 'a' },
{ "member", required_argument, NULL, 'm' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ NULL }
};
int opt = 0;
while ((opt = getopt_long(argc, argv, "c:C:D:a:m:hV", opts, NULL)) != -1) {
switch (opt) {
case 'c':
if (util_conf_init_file(optarg) != KNOT_EOK) {
goto failure;
}
break;
case 'C':
if (util_conf_init_confdb(optarg) != KNOT_EOK) {
goto failure;
}
break;
case 'D':
if (util_conf_init_justdb("catalog-db", optarg) != KNOT_EOK) {
goto failure;
}
break;
case 'a':
free(filter_catalog);
filter_catalog = knot_dname_from_str_alloc(optarg);
knot_dname_to_lower(filter_catalog);
break;
case 'm':
free(filter_member);
filter_member = knot_dname_from_str_alloc(optarg);
knot_dname_to_lower(filter_member);
break;
case 'h':
print_help();
goto success;
case 'V':
print_version(PROGRAM_NAME);
goto success;
default:
print_help();
goto failure;
}
}
// Backward compatibility.
if (argc - optind > 0) {
WARN2("obsolete parameter specified");
if (util_conf_init_justdb("catalog-db", argv[optind]) != KNOT_EOK) {
goto failure;
}
optind++;
}
if (util_conf_init_default(true) != KNOT_EOK) {
goto failure;
}
catalog_t c = { { 0 } };
char *db = conf_db(conf(), C_CATALOG_DB);
catalog_init(&c, db, 0); // mapsize grows automatically
free(db);
catalog_print(&c);
catalog_deinit(&c);
success:
params_cleanup();
util_conf_deinit();
return EXIT_SUCCESS;
failure:
params_cleanup();
util_conf_deinit();
return EXIT_FAILURE;
}
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