Add ciphers option to bssl.
This simply converts a cipher suite string to the list of cipher suites
that it implies.
Change-Id: Id8b31086715d619ea6601c40a6eb84dc0d8c500d
Reviewed-on: https://boringssl-review.googlesource.com/6370
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/tool/CMakeLists.txt b/tool/CMakeLists.txt
index 2d706ba..a6cc15f 100644
--- a/tool/CMakeLists.txt
+++ b/tool/CMakeLists.txt
@@ -4,6 +4,7 @@
bssl
args.cc
+ ciphers.cc
client.cc
const.cc
digest.cc
diff --git a/tool/ciphers.cc b/tool/ciphers.cc
new file mode 100644
index 0000000..d7cc36b
--- /dev/null
+++ b/tool/ciphers.cc
@@ -0,0 +1,66 @@
+/* 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;
+}
diff --git a/tool/tool.cc b/tool/tool.cc
index f67f0c7..afe6840 100644
--- a/tool/tool.cc
+++ b/tool/tool.cc
@@ -27,6 +27,7 @@
#endif
+bool Ciphers(const std::vector<std::string> &args);
bool Client(const std::vector<std::string> &args);
bool DoPKCS12(const std::vector<std::string> &args);
bool GenerateRSAKey(const std::vector<std::string> &args);
@@ -48,6 +49,7 @@
};
static const Tool kTools[] = {
+ { "ciphers", Ciphers },
{ "client", Client },
{ "genrsa", GenerateRSAKey },
{ "md5sum", MD5Sum },
