/*
 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/conf.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

/* Test application to add extensions from a config file */

int main(int argc, char **argv)
{
    LHASH *conf;
    X509 *cert;
    FILE *inf;
    char *conf_file;
    int i;
    int count;
    X509_EXTENSION *ext;
    X509V3_add_standard_extensions();
    ERR_load_crypto_strings();
    if (!argv[1]) {
        fprintf(stderr, "Usage: v3conf cert.pem [file.cnf]\n");
        exit(1);
    }
    conf_file = argv[2];
    if (!conf_file)
        conf_file = "test.cnf";
    conf = CONF_load(NULL, "test.cnf", NULL);
    if (!conf) {
        fprintf(stderr, "Error opening Config file %s\n", conf_file);
        ERR_print_errors_fp(stderr);
        exit(1);
    }

    inf = fopen(argv[1], "r");
    if (!inf) {
        fprintf(stderr, "Can't open certificate file %s\n", argv[1]);
        exit(1);
    }
    cert = PEM_read_X509(inf, NULL, NULL);
    if (!cert) {
        fprintf(stderr, "Error reading certificate file %s\n", argv[1]);
        exit(1);
    }
    fclose(inf);

    sk_pop_free(cert->cert_info->extensions, X509_EXTENSION_free);
    cert->cert_info->extensions = NULL;

    if (!X509V3_EXT_add_conf(conf, NULL, "test_section", cert)) {
        fprintf(stderr, "Error adding extensions\n");
        ERR_print_errors_fp(stderr);
        exit(1);
    }

    count = X509_get_ext_count(cert);
    printf("%d extensions\n", count);
    for (i = 0; i < count; i++) {
        ext = X509_get_ext(cert, i);
        printf("%s", OBJ_nid2ln(OBJ_obj2nid(ext->object)));
        if (ext->critical)
            printf(",critical:\n");
        else
            printf(":\n");
        X509V3_EXT_print_fp(stdout, ext, 0, 0);
        printf("\n");

    }
    return 0;
}