111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
|
/*
|
||
|
|
* Copyright 2013-2023 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License 2.0 (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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
#include <openssl/err.h>
|
||
|
|
#include <openssl/ssl.h>
|
||
|
|
|
||
|
|
int main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
BIO *sbio = NULL, *out = NULL;
|
||
|
|
int len;
|
||
|
|
char tmpbuf[1024];
|
||
|
|
SSL_CTX *ctx;
|
||
|
|
SSL_CONF_CTX *cctx;
|
||
|
|
SSL *ssl;
|
||
|
|
char **args = argv + 1;
|
||
|
|
const char *connect_str = "localhost:4433";
|
||
|
|
int nargs = argc - 1;
|
||
|
|
int ret = EXIT_FAILURE;
|
||
|
|
|
||
|
|
ctx = SSL_CTX_new(TLS_client_method());
|
||
|
|
cctx = SSL_CONF_CTX_new();
|
||
|
|
SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
|
||
|
|
SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
|
||
|
|
while (*args && **args == '-') {
|
||
|
|
int rv;
|
||
|
|
/* Parse standard arguments */
|
||
|
|
rv = SSL_CONF_cmd_argv(cctx, &nargs, &args);
|
||
|
|
if (rv == -3) {
|
||
|
|
fprintf(stderr, "Missing argument for %s\n", *args);
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
if (rv < 0) {
|
||
|
|
fprintf(stderr, "Error in command %s\n", *args);
|
||
|
|
ERR_print_errors_fp(stderr);
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
/* If rv > 0 we processed something so proceed to next arg */
|
||
|
|
if (rv > 0)
|
||
|
|
continue;
|
||
|
|
/* Otherwise application specific argument processing */
|
||
|
|
if (strcmp(*args, "-connect") == 0) {
|
||
|
|
connect_str = args[1];
|
||
|
|
if (connect_str == NULL) {
|
||
|
|
fprintf(stderr, "Missing -connect argument\n");
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
args += 2;
|
||
|
|
nargs -= 2;
|
||
|
|
continue;
|
||
|
|
} else {
|
||
|
|
fprintf(stderr, "Unknown argument %s\n", *args);
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!SSL_CONF_CTX_finish(cctx)) {
|
||
|
|
fprintf(stderr, "Finish error\n");
|
||
|
|
ERR_print_errors_fp(stderr);
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We'd normally set some stuff like the verify paths and * mode here
|
||
|
|
* because as things stand this will connect to * any server whose
|
||
|
|
* certificate is signed by any CA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
sbio = BIO_new_ssl_connect(ctx);
|
||
|
|
|
||
|
|
BIO_get_ssl(sbio, &ssl);
|
||
|
|
|
||
|
|
if (!ssl) {
|
||
|
|
fprintf(stderr, "Can't locate SSL pointer\n");
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* We might want to do other things with ssl here */
|
||
|
|
|
||
|
|
BIO_set_conn_hostname(sbio, connect_str);
|
||
|
|
|
||
|
|
out = BIO_new_fp(stdout, BIO_NOCLOSE);
|
||
|
|
if (BIO_do_connect(sbio) <= 0) {
|
||
|
|
fprintf(stderr, "Error connecting to server\n");
|
||
|
|
ERR_print_errors_fp(stderr);
|
||
|
|
goto end;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Could examine ssl here to get connection info */
|
||
|
|
|
||
|
|
BIO_puts(sbio, "GET / HTTP/1.0\n\n");
|
||
|
|
for (;;) {
|
||
|
|
len = BIO_read(sbio, tmpbuf, 1024);
|
||
|
|
if (len <= 0)
|
||
|
|
break;
|
||
|
|
BIO_write(out, tmpbuf, len);
|
||
|
|
}
|
||
|
|
ret = EXIT_SUCCESS;
|
||
|
|
end:
|
||
|
|
SSL_CONF_CTX_free(cctx);
|
||
|
|
BIO_free_all(sbio);
|
||
|
|
BIO_free(out);
|
||
|
|
return ret;
|
||
|
|
}
|