bin/tests/cfg_test.c

	cfg_test.c revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
 * Copyright (C) 2001, 2002, 2004, 2005, 2007, 2009-2011, 2015, 2016  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/.
 */

/* $Id: cfg_test.c,v 1.25 2011/09/05 23:46:54 tbox Exp $ */

/*! \file */

#include <config.h>

#include <errno.h>
#include <stdlib.h>

#include <isc/mem.h>
#include <isc/print.h>
#include <isc/string.h>
#include <isc/util.h>

#include <isccfg/namedconf.h>

#include <dns/log.h>

static void
check_result(isc_result_t result, const char *format, ...) {
    va_list args;

    if (result == ISC_R_SUCCESS)
        return;

    va_start(args, format);
    vfprintf(stderr, format, args);
    va_end(args);
    fprintf(stderr, ": %s\n", isc_result_totext(result));
    exit(1);
}

static void
output(void *closure, const char *text, int textlen) {
    UNUSED(closure);
    (void) fwrite(text, 1, textlen, stdout);
}

static void
usage(void) {
    fprintf(stderr, "usage: cfg_test --rndc|--named "
        "[--grammar] [--memstats] conffile\n");
    exit(1);
}

int
main(int argc, char **argv) {
    isc_result_t result;
    isc_mem_t *mctx = NULL;
    isc_log_t *lctx = NULL;
    isc_logconfig_t *lcfg = NULL;
    isc_logdestination_t destination;
    cfg_parser_t *pctx = NULL;
    cfg_obj_t *cfg = NULL;
    cfg_type_t *type = NULL;
    isc_boolean_t grammar = ISC_FALSE;
    isc_boolean_t memstats = ISC_FALSE;
    char *filename = NULL;

    RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);

    result = isc_log_create(mctx, &lctx, &lcfg);
    check_result(result, "isc_log_create()");
    isc_log_setcontext(lctx);

    /*
     * Create and install the default channel.
     */
    destination.file.stream = stderr;
    destination.file.name = NULL;
    destination.file.versions = ISC_LOG_ROLLNEVER;
    destination.file.maximum_size = 0;
    result = isc_log_createchannel(lcfg, "_default",
                       ISC_LOG_TOFILEDESC,
                       ISC_LOG_DYNAMIC,
                       &destination, ISC_LOG_PRINTTIME);
    check_result(result, "isc_log_createchannel()");
    result = isc_log_usechannel(lcfg, "_default", NULL, NULL);
    check_result(result, "isc_log_usechannel()");

    /*
     * Set the initial debug level.
     */
    isc_log_setdebuglevel(lctx, 2);

    if (argc < 3)
        usage();

    while (argc > 1) {
        if (strcmp(argv[1], "--grammar") == 0) {
            grammar = ISC_TRUE;
        } else if (strcmp(argv[1], "--memstats") == 0) {
            memstats = ISC_TRUE;
        } else if (strcmp(argv[1], "--named") == 0) {
            type = &cfg_type_namedconf;
        } else if (strcmp(argv[1], "--rndc") == 0) {
            type = &cfg_type_rndcconf;
        } else if (argv[1][0] == '-') {
            usage();
        } else {
            filename = argv[1];
        }
        argv++, argc--;
    }

    if (grammar) {
        if (type == NULL)
            usage();
        cfg_print_grammar(type, output, NULL);
    } else {
        if (type == NULL || filename == NULL)
            usage();
        RUNTIME_CHECK(cfg_parser_create(mctx, lctx, &pctx) == ISC_R_SUCCESS);

        result = cfg_parse_file(pctx, filename, type, &cfg);

        fprintf(stderr, "read config: %s\n", isc_result_totext(result));

        if (result != ISC_R_SUCCESS)
            exit(1);

        cfg_print(cfg, output, NULL);

        cfg_obj_destroy(pctx, &cfg);

        cfg_parser_destroy(&pctx);
    }

    isc_log_destroy(&lctx);
    if (memstats)
        isc_mem_stats(mctx, stderr);
    isc_mem_destroy(&mctx);

    fflush(stdout);
    if (ferror(stdout)) {
        fprintf(stderr, "write error\n");
        return (1);
    } else
        return (0);
}