Initial commit of BoringSSL for Android.

3 files changed, 270 insertions, 0 deletions

diff --git a/src/crypto/buf/CMakeLists.txt b/src/crypto/buf/CMakeLists.txt
new file mode 100644
index 0000000..dabf8d1
--- /dev/null
+++ b/src/crypto/buf/CMakeLists.txt
@@ -0,0 +1,10 @@
+include_directories(. .. ../../include)
+
+add_library(
+  buf
+
+  OBJECT
+
+  buf.c
+  buf_error.c
+)
diff --git a/src/crypto/buf/buf.c b/src/crypto/buf/buf.c
new file mode 100644
index 0000000..5769e77
--- /dev/null
+++ b/src/crypto/buf/buf.c
@@ -0,0 +1,235 @@
+/* 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.] */
+
+#include <openssl/buf.h>
+
+#include <string.h>
+
+#include <openssl/mem.h>
+#include <openssl/err.h>
+
+
+BUF_MEM *BUF_MEM_new(void) {
+  BUF_MEM *ret;
+
+  ret = OPENSSL_malloc(sizeof(BUF_MEM));
+  if (ret == NULL) {
+    OPENSSL_PUT_ERROR(BUF, BUF_MEM_new, ERR_R_MALLOC_FAILURE);
+    return NULL;
+  }
+
+  memset(ret, 0, sizeof(BUF_MEM));
+  return ret;
+}
+
+void BUF_MEM_free(BUF_MEM *buf) {
+  if (buf == NULL) {
+    return;
+  }
+
+  if (buf->data != NULL) {
+    OPENSSL_cleanse(buf->data, buf->max);
+    OPENSSL_free(buf->data);
+  }
+
+  OPENSSL_free(buf);
+}
+
+static size_t buf_mem_grow(BUF_MEM *buf, size_t len, char clean) {
+  char *new_buf;
+  size_t n, alloc_size;
+
+  if (buf->length >= len) {
+    buf->length = len;
+    return len;
+  }
+  if (buf->max >= len) {
+    memset(&buf->data[buf->length], 0, len - buf->length);
+    buf->length = len;
+    return len;
+  }
+
+  n = len + 3;
+  if (n < len) {
+    /* overflow */
+    OPENSSL_PUT_ERROR(BUF, buf_mem_grow, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+  n = n / 3;
+  alloc_size = n * 4;
+  if (alloc_size / 4 != n) {
+    /* overflow */
+    OPENSSL_PUT_ERROR(BUF, buf_mem_grow, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  if (buf->data == NULL) {
+    new_buf = OPENSSL_malloc(alloc_size);
+  } else {
+    if (clean) {
+      new_buf = OPENSSL_realloc_clean(buf->data, buf->max, alloc_size);
+    } else {
+      new_buf = OPENSSL_realloc(buf->data, alloc_size);
+    }
+  }
+
+  if (new_buf == NULL) {
+    OPENSSL_PUT_ERROR(BUF, buf_mem_grow, ERR_R_MALLOC_FAILURE);
+    len = 0;
+  } else {
+    buf->data = new_buf;
+    buf->max = alloc_size;
+    memset(&buf->data[buf->length], 0, len - buf->length);
+    buf->length = len;
+  }
+
+  return len;
+}
+
+size_t BUF_MEM_grow(BUF_MEM *buf, size_t len) {
+  return buf_mem_grow(buf, len, 0 /* don't clear old buffer contents. */);
+}
+
+size_t BUF_MEM_grow_clean(BUF_MEM *buf, size_t len) {
+  return buf_mem_grow(buf, len, 1 /* clear old buffer contents. */);
+}
+
+char *BUF_strdup(const char *buf) {
+  if (buf == NULL) {
+    return NULL;
+  }
+
+  return BUF_strndup(buf, strlen(buf));
+}
+
+size_t BUF_strnlen(const char *str, size_t max_len) {
+  size_t i;
+
+  for (i = 0; i < max_len; i++) {
+    if (str[i] == 0) {
+      break;
+    }
+  }
+
+  return i;
+}
+
+char *BUF_strndup(const char *buf, size_t size) {
+  char *ret;
+  size_t alloc_size;
+
+  if (buf == NULL) {
+    return NULL;
+  }
+
+  size = BUF_strnlen(buf, size);
+
+  alloc_size = size + 1;
+  if (alloc_size < size) {
+    /* overflow */
+    OPENSSL_PUT_ERROR(BUF, BUF_strndup, ERR_R_MALLOC_FAILURE);
+    return NULL;
+  }
+  ret = OPENSSL_malloc(alloc_size);
+  if (ret == NULL) {
+    OPENSSL_PUT_ERROR(BUF, BUF_strndup, ERR_R_MALLOC_FAILURE);
+    return NULL;
+  }
+
+  memcpy(ret, buf, size);
+  ret[size] = '\0';
+  return ret;
+}
+
+size_t BUF_strlcpy(char *dst, const char *src, size_t dst_size) {
+  size_t l = 0;
+
+  for (; dst_size > 1 && *src; dst_size--) {
+    *dst++ = *src++;
+    l++;
+  }
+
+  if (dst_size) {
+    *dst = 0;
+  }
+
+  return l + strlen(src);
+}
+
+size_t BUF_strlcat(char *dst, const char *src, size_t dst_size) {
+  size_t l = 0;
+  for (; dst_size > 0 && *dst; dst_size--, dst++) {
+    l++;
+  }
+  return l + BUF_strlcpy(dst, src, dst_size);
+}
+
+void *BUF_memdup(const void *data, size_t dst_size) {
+  void *ret;
+
+  if (data == NULL) {
+    return NULL;
+  }
+
+  ret = OPENSSL_malloc(dst_size);
+  if (ret == NULL) {
+    OPENSSL_PUT_ERROR(BUF, BUF_memdup, ERR_R_MALLOC_FAILURE);
+    return NULL;
+  }
+
+  memcpy(ret, data, dst_size);
+  return ret;
+}
diff --git a/src/crypto/buf/buf_error.c b/src/crypto/buf/buf_error.c
new file mode 100644
index 0000000..fac6011
--- /dev/null
+++ b/src/crypto/buf/buf_error.c
@@ -0,0 +1,25 @@
+/* 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/err.h>
+
+#include <openssl/buf.h>
+
+const ERR_STRING_DATA BUF_error_string_data[] = {
+  {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_MEM_new, 0), "BUF_MEM_new"},
+  {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_memdup, 0), "BUF_memdup"},
+  {ERR_PACK(ERR_LIB_BUF, BUF_F_BUF_strndup, 0), "BUF_strndup"},
+  {ERR_PACK(ERR_LIB_BUF, BUF_F_buf_mem_grow, 0), "buf_mem_grow"},
+  {0, NULL},
+};