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/* Copyright (c) 2015, 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 <string>
#include <vector>
#include <stdint.h>
#include <stdlib.h>
#include <openssl/ssl.h>
#include "../crypto/test/scoped_types.h"
#include "../ssl/test/scoped_types.h"
#include "internal.h"
bool Ciphers(const std::vector<std::string> &args) {
if (args.size() != 1) {
fprintf(stderr, "Usage: bssl ciphers <cipher suite string>\n");
return false;
}
const std::string &ciphers_string = args.back();
ScopedSSL_CTX ctx(SSL_CTX_new(SSLv23_client_method()));
if (!SSL_CTX_set_cipher_list(ctx.get(), ciphers_string.c_str())) {
fprintf(stderr, "Failed to parse cipher suite config.\n");
ERR_print_errors_fp(stderr);
return false;
}
const struct ssl_cipher_preference_list_st *pref_list = ctx->cipher_list;
STACK_OF(SSL_CIPHER) *ciphers = pref_list->ciphers;
bool last_in_group = false;
for (size_t i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
bool in_group = pref_list->in_group_flags[i];
const SSL_CIPHER *cipher = sk_SSL_CIPHER_value(ciphers, i);
if (in_group && !last_in_group) {
printf("[\n ");
} else if (last_in_group) {
printf(" ");
}
printf("%s\n", SSL_CIPHER_get_name(cipher));
if (!in_group && last_in_group) {
printf("]\n");
}
last_in_group = in_group;
}
return true;
}
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