Initial commit of BoringSSL for Android.

1 files changed, 227 insertions, 0 deletions

diff --git a/src/crypto/ex_data.c b/src/crypto/ex_data.c
new file mode 100644
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--- /dev/null
+++ b/src/crypto/ex_data.c
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+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com). */
+
+#include <openssl/ex_data.h>
+
+#include <openssl/err.h>
+#include <openssl/thread.h>
+
+#include "crypto_error.h"
+#include "internal.h"
+
+
+/* global_impl is the implementation that we use at runtime. */
+static const CRYPTO_EX_DATA_IMPL *global_impl = NULL;
+
+/* ex_data_default_impl is a the default implementation, defined in
+ * ex_data_impl.c. */
+extern const CRYPTO_EX_DATA_IMPL ex_data_default_impl;
+
+/* get_impl returns the current ex_data implementatation. */
+static const CRYPTO_EX_DATA_IMPL *get_impl(void) {
+  const CRYPTO_EX_DATA_IMPL *impl;
+
+  CRYPTO_r_lock(CRYPTO_LOCK_EX_DATA);
+  impl = global_impl;
+  CRYPTO_r_unlock(CRYPTO_LOCK_EX_DATA);
+
+  if (impl != NULL) {
+    return impl;
+  }
+
+  CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+  if (global_impl == NULL) {
+    global_impl = &ex_data_default_impl;
+  }
+  impl = global_impl;
+  CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+  return impl;
+}
+
+int CRYPTO_get_ex_new_index(int class_value, long argl, void *argp,
+                            CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
+                            CRYPTO_EX_free *free_func) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  return impl->get_new_index(class_value, argl, argp, new_func, dup_func,
+                             free_func);
+}
+
+int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int index, void *val) {
+  int n, i;
+
+  if (ad->sk == NULL) {
+    ad->sk = sk_void_new_null();
+    if (ad->sk == NULL) {
+      OPENSSL_PUT_ERROR(CRYPTO, CRYPTO_set_ex_data, ERR_R_MALLOC_FAILURE);
+      return 0;
+    }
+  }
+
+  n = sk_void_num(ad->sk);
+
+  /* Add NULL values until the stack is long enough. */
+  for (i = n; i <= index; i++) {
+    if (!sk_void_push(ad->sk, NULL)) {
+      OPENSSL_PUT_ERROR(CRYPTO, CRYPTO_set_ex_data, ERR_R_MALLOC_FAILURE);
+      return 0;
+    }
+  }
+
+  sk_void_set(ad->sk, index, val);
+  return 1;
+}
+
+void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx) {
+  if (ad->sk == NULL || idx < 0 || (size_t)idx >= sk_void_num(ad->sk)) {
+    return NULL;
+  }
+  return sk_void_value(ad->sk, idx);
+}
+
+int CRYPTO_ex_data_new_class(void) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  return impl->new_class();
+}
+
+int CRYPTO_new_ex_data(int class_value, void *obj, CRYPTO_EX_DATA *ad) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  return impl->new_ex_data(class_value, obj, ad);
+}
+
+int CRYPTO_dup_ex_data(int class_value, CRYPTO_EX_DATA *to,
+                       const CRYPTO_EX_DATA *from) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  return impl->dup_ex_data(class_value, to, from);
+}
+
+void CRYPTO_free_ex_data(int class_value, void *obj, CRYPTO_EX_DATA *ad) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  impl->free_ex_data(class_value, obj, ad);
+}
+
+const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void) {
+  return get_impl();
+}
+
+int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *impl) {
+  int ret = 0;
+
+  CRYPTO_w_lock(CRYPTO_LOCK_EX_DATA);
+  if (global_impl == NULL) {
+    ret = 1;
+    global_impl = impl;
+  }
+  CRYPTO_w_unlock(CRYPTO_LOCK_EX_DATA);
+
+  return ret;
+}
+
+void CRYPTO_cleanup_all_ex_data(void) {
+  const CRYPTO_EX_DATA_IMPL *const impl = get_impl();
+  impl->cleanup();
+}