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GmSSL/tools/certverify.c
2022-04-16 22:18:45 +08:00

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/*
* Copyright (c) 2021 - 2021 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/pem.h>
#include <gmssl/x509.h>
#include <gmssl/pkcs8.h>
#include <gmssl/rand.h>
#include <gmssl/error.h>
// 验证证书链是一个重量级的功能,应准备相应的文档,列举所有验证项目
// 比如最基本的是证书中的签名、有效期、各个扩展等
// 外部相关的证书链、CRL等
int certverify_main(int argc, char **argv)
{
int ret = 0;
char *prog = argv[0];
char *certfile = NULL;
FILE *certfp = NULL;
char *cacertfile = NULL;
FILE *cacertfp = NULL;
uint8_t cert[1024];
size_t certlen;
uint8_t cacert[1024];
size_t cacertlen;
char *signer_id = SM2_DEFAULT_ID;
SM2_KEY ca_pubkey;
argc--;
argv++;
while (argc >= 1) {
if (!strcmp(*argv, "-help")) {
printf("Usage: %s [-cert pem] -cacert pem\n", prog);
return 0;
} else if (!strcmp(*argv, "-cert")) {
if (--argc < 1) goto bad;
certfile = *(++argv);
if (!(certfp = fopen(certfile, "r"))) {
error_print();
return -1;
}
} else if (!strcmp(*argv, "-cacert")) {
if (--argc < 1) goto bad;
cacertfile = *(++argv);
if (!(cacertfp = fopen(cacertfile, "r"))) {
error_print();
return -1;
}
} else {
printf("Usage: %s [-cert pem] -cacert pem\n", prog);
return 0;
break;
}
argc--;
argv++;
}
if (!certfp || !cacertfp) {
error_print();
return -1;
}
if (x509_cert_from_pem(cert, &certlen, sizeof(cert), certfp) != 1) {
error_print();
return -1;
}
if (x509_cert_from_pem(cacert, &cacertlen, sizeof(cacert), cacertfp) != 1) {
error_print();
return -1;
}
if (x509_cert_verify_by_ca_cert(cert, certlen, cacert, cacertlen, signer_id, strlen(signer_id)) != 1) {
error_print();
return -1;
}
ret = 1;
printf("Verification %s\n", ret ? "success" : "failure");
ret = 0;
goto end;
bad:
fprintf(stderr, "%s: commands should not be used together\n", prog);
end:
return ret;
}