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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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