-/* NOCW */
-/* demos/bio/sconnect.c */
+/*
+ * Copyright 1998-2017 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
+ */
/*-
* A minimal program to do SSL to a passed host and port.
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
+#include <errno.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#define HOSTPORT "localhost:4433"
#define CAFILE "root.pem"
-extern int errno;
-
-int main(argc, argv)
-int argc;
-char *argv[];
+int main(int argc, char *argv[])
{
const char *hostport = HOSTPORT;
const char *CAfile = CAFILE;
SSL_CTX *ssl_ctx = NULL;
SSL *ssl;
BIO *ssl_bio;
- int i, len, off, ret = 1;
+ int i, len, off, ret = EXIT_FAILURE;
if (argc > 1)
hostport = argv[1];
sock_init();
#endif
- /* Lets get nice error messages */
- SSL_load_error_strings();
-
- /* Setup all the global SSL stuff */
- OpenSSL_add_ssl_algorithms();
ssl_ctx = SSL_CTX_new(TLS_client_method());
/* Enable trust chain verification */
fwrite(buf, 1, i, stdout);
}
- ret = 1;
+ ret = EXIT_SUCCESS;
goto done;
err:
if (ERR_peek_error() == 0) { /* system call error */
fprintf(stderr, "errno=%d ", errno);
perror("error");
- } else
+ } else {
ERR_print_errors_fp(stderr);
+ }
done:
BIO_free_all(out);
SSL_CTX_free(ssl_ctx);
- return (ret == 1);
+ return ret;
}