mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
25aaa98aa2
After the finale, the "real" final part. :) Do a recursive grep with "-B1 -w [a-zA-Z0-9_]*_free" to see if any of the preceeding lines are an "if NULL" check that can be removed. Reviewed-by: Tim Hudson <tjh@openssl.org>
77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
/* Simple S/MIME verification example */
|
|
#include <openssl/pem.h>
|
|
#include <openssl/cms.h>
|
|
#include <openssl/err.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
BIO *in = NULL, *out = NULL, *tbio = NULL, *cont = NULL;
|
|
X509_STORE *st = NULL;
|
|
X509 *cacert = NULL;
|
|
CMS_ContentInfo *cms = NULL;
|
|
|
|
int ret = 1;
|
|
|
|
OpenSSL_add_all_algorithms();
|
|
ERR_load_crypto_strings();
|
|
|
|
/* Set up trusted CA certificate store */
|
|
|
|
st = X509_STORE_new();
|
|
|
|
/* Read in CA certificate */
|
|
tbio = BIO_new_file("cacert.pem", "r");
|
|
|
|
if (!tbio)
|
|
goto err;
|
|
|
|
cacert = PEM_read_bio_X509(tbio, NULL, 0, NULL);
|
|
|
|
if (!cacert)
|
|
goto err;
|
|
|
|
if (!X509_STORE_add_cert(st, cacert))
|
|
goto err;
|
|
|
|
/* Open message being verified */
|
|
|
|
in = BIO_new_file("smout.txt", "r");
|
|
|
|
if (!in)
|
|
goto err;
|
|
|
|
/* parse message */
|
|
cms = SMIME_read_CMS(in, &cont);
|
|
|
|
if (!cms)
|
|
goto err;
|
|
|
|
/* File to output verified content to */
|
|
out = BIO_new_file("smver.txt", "w");
|
|
if (!out)
|
|
goto err;
|
|
|
|
if (!CMS_verify(cms, NULL, st, cont, out, 0)) {
|
|
fprintf(stderr, "Verification Failure\n");
|
|
goto err;
|
|
}
|
|
|
|
fprintf(stderr, "Verification Successful\n");
|
|
|
|
ret = 0;
|
|
|
|
err:
|
|
|
|
if (ret) {
|
|
fprintf(stderr, "Error Verifying Data\n");
|
|
ERR_print_errors_fp(stderr);
|
|
}
|
|
|
|
CMS_ContentInfo_free(cms);
|
|
X509_free(cacert);
|
|
BIO_free(in);
|
|
BIO_free(out);
|
|
BIO_free(tbio);
|
|
return ret;
|
|
}
|