+/*
+ * Copyright 2008-2016 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
+ */
+
/* Simple S/MIME uncompression example */
#include <openssl/pem.h>
#include <openssl/cms.h>
#include <openssl/err.h>
int main(int argc, char **argv)
- {
- BIO *in = NULL, *out = NULL;
- CMS_ContentInfo *cms = NULL;
- int ret = 1;
-
- OpenSSL_add_all_algorithms();
- ERR_load_crypto_strings();
-
- /* Open compressed content */
-
- in = BIO_new_file("smcomp.txt", "r");
+{
+ BIO *in = NULL, *out = NULL;
+ CMS_ContentInfo *cms = NULL;
+ int ret = 1;
- if (!in)
- goto err;
+ OpenSSL_add_all_algorithms();
+ ERR_load_crypto_strings();
- /* Sign content */
- cms = SMIME_read_CMS(in, NULL);
+ /* Open compressed content */
- if (!cms)
- goto err;
+ in = BIO_new_file("smcomp.txt", "r");
- out = BIO_new_file("smuncomp.txt", "w");
- if (!out)
- goto err;
+ if (!in)
+ goto err;
- /* Uncompress S/MIME message */
- if (!CMS_uncompress(cms, out, NULL, 0))
- goto err;
+ /* Sign content */
+ cms = SMIME_read_CMS(in, NULL);
- ret = 0;
+ if (!cms)
+ goto err;
- err:
+ out = BIO_new_file("smuncomp.txt", "w");
+ if (!out)
+ goto err;
- if (ret)
- {
- fprintf(stderr, "Error Uncompressing Data\n");
- ERR_print_errors_fp(stderr);
- }
+ /* Uncompress S/MIME message */
+ if (!CMS_uncompress(cms, out, NULL, 0))
+ goto err;
- if (cms)
- CMS_ContentInfo_free(cms);
+ ret = 0;
- if (in)
- BIO_free(in);
- if (out)
- BIO_free(out);
+ err:
- return ret;
+ if (ret) {
+ fprintf(stderr, "Error Uncompressing Data\n");
+ ERR_print_errors_fp(stderr);
+ }
- }
+ CMS_ContentInfo_free(cms);
+ BIO_free(in);
+ BIO_free(out);
+ return ret;
+}