blob: 59c5fe3ef4cc01c11a5e7cf9923ea831d95d92c1 [file] [log] [blame]
/* Copyright (c) 2014, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/base.h>
#include <string>
#include <vector>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include "internal.h"
#include "transport_common.h"
static const struct argument kArguments[] = {
{
"-connect", true,
"The hostname and port of the server to connect to, e.g. foo.com:443",
},
{
"-cipher", false,
"An OpenSSL-style cipher suite string that configures the offered ciphers",
},
{
"", false, "",
},
};
bool Client(const std::vector<std::string> &args) {
if (!InitSocketLibrary()) {
return false;
}
std::map<std::string, std::string> args_map;
if (!ParseKeyValueArguments(&args_map, args, kArguments)) {
PrintUsage(kArguments);
return false;
}
SSL_CTX *ctx = SSL_CTX_new(SSLv23_client_method());
const char *keylog_file = getenv("SSLKEYLOGFILE");
if (keylog_file) {
BIO *keylog_bio = BIO_new_file(keylog_file, "a");
if (!keylog_bio) {
ERR_print_errors_cb(PrintErrorCallback, stderr);
return false;
}
SSL_CTX_set_keylog_bio(ctx, keylog_bio);
}
if (args_map.count("-cipher") != 0 &&
!SSL_CTX_set_cipher_list(ctx, args_map["-cipher"].c_str())) {
fprintf(stderr, "Failed setting cipher list\n");
return false;
}
int sock = -1;
if (!Connect(&sock, args_map["-connect"])) {
return false;
}
BIO *bio = BIO_new_socket(sock, BIO_CLOSE);
SSL *ssl = SSL_new(ctx);
SSL_set_bio(ssl, bio, bio);
int ret = SSL_connect(ssl);
if (ret != 1) {
int ssl_err = SSL_get_error(ssl, ret);
fprintf(stderr, "Error while connecting: %d\n", ssl_err);
ERR_print_errors_cb(PrintErrorCallback, stderr);
return false;
}
fprintf(stderr, "Connected.\n");
PrintConnectionInfo(ssl);
bool ok = TransferData(ssl, sock);
SSL_free(ssl);
SSL_CTX_free(ctx);
return ok;
}