64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/******************************************************************************
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* Copyright (c) Huawei Technologies Co., Ltd. 2019. All rights reserved.
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* iSulad licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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* Author: lifeng
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* Create: 2019-06-07
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* Description: provide certificate function
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******************************************************************************/
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#include "certificate.h"
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#include <string.h>
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#include "log.h"
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#include "utils.h"
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int get_common_name_from_tls_cert(const char *cert_path, char *value, size_t len)
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{
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int ret = 0;
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X509 *cert = NULL;
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X509_NAME *subject_name = NULL;
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FILE *fp = NULL;
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if (cert_path == NULL || strlen(cert_path) == 0) {
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return 0;
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}
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fp = util_fopen(cert_path, "r");
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if (fp == NULL) {
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ERROR("Failed to open cert file: %s", cert_path);
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return -1;
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}
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cert = PEM_read_X509(fp, NULL, NULL, NULL);
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if (cert == NULL) {
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ERROR("Failed to parse cert in: %s", cert_path);
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ret = -1;
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goto out;
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}
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subject_name = X509_get_subject_name(cert);
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if (subject_name == NULL) {
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ERROR("Failed to get subject name in: %s\n", cert_path);
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ret = -1;
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goto out;
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}
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if (X509_NAME_get_text_by_NID(subject_name, NID_commonName, value, (int)len) < 0) {
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ret = -1;
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goto out;
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}
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out:
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if (cert != NULL) {
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X509_free(cert);
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}
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fclose(fp);
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return ret;
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}
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