Files
GmSSL/demos/src/x509_crl_download_demo.c
Zhi Guan 2c988b008b Update demos
To build demos, run
`cmake .. -DENABLE_DEMOS=ON`
2023-12-16 11:42:10 +08:00

54 lines
1.2 KiB
C

/*
* Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/file.h>
#include <gmssl/x509_crl.h>
char *http_uri = "http://mscrl.microsoft.com/pki/mscorp/crl/Microsoft%20RSA%20TLS%20CA%2002.crl";
char *file_name = "Microsoft RSA TLS CA 02.crl";
int main(int argc, char **argv)
{
int ret = -1;
uint8_t *crl = NULL;
size_t crllen;
FILE *fp = NULL;
printf("Demo - Download CRL from HTTP\n\n");
printf(" Download from %s\n", http_uri);
if (x509_crl_new_from_uri(&crl, &crllen, http_uri, strlen(http_uri)) != 1) {
fprintf(stderr, "x509_crl_new_from_uri() error\n");
goto err;
}
//x509_crl_print(stdout, 0, 0, "CRL", crl, crllen);
if (!(fp = fopen(file_name, "wb"))) {
fprintf(stderr, "fopen() error\n");
goto err;
}
fwrite(crl, 1, crllen, fp);
printf(" Save to %s\n", file_name);
printf(" Run `gmssl crlparse -in \"%s\"` to print the downloaded CRL\n", file_name);
printf("\n");
ret = 0;
err:
if (crl) free(crl);
if (fp) fclose(fp);
return ret;
}