Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 808 insertions, 0 deletions

diff --git a/dom/media/gmp/rlz/OWNERS b/dom/media/gmp/rlz/OWNERS
new file mode 100644
index 0000000000..66f24ebb37
--- /dev/null
+++ b/dom/media/gmp/rlz/OWNERS
@@ -0,0 +1,4 @@
+rogerta@chromium.org
+thakis@chromium.org
+
+# COMPONENT: Internals>Core
diff --git a/dom/media/gmp/rlz/README.mozilla b/dom/media/gmp/rlz/README.mozilla
new file mode 100644
index 0000000000..4408737a5e
--- /dev/null
+++ b/dom/media/gmp/rlz/README.mozilla
@@ -0,0 +1,4 @@
+Code taken from rlz project in Chromium repository: https://chromium.googlesource.com/chromium/src.git/+/6f3478dfd7d29b9872871718bd08493ed0c8bc8e
+
+Note: base/ contains wrappers/dummies to provide implementations of the
+Chromium APIs that this code relies upon.
diff --git a/dom/media/gmp/rlz/lib/assert.h b/dom/media/gmp/rlz/lib/assert.h
new file mode 100644
index 0000000000..c64dd7ff82
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/assert.h
@@ -0,0 +1,14 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef FAKE_ASSERT_H_
+#define FAKE_ASSERT_H_
+
+#include <assert.h>
+
+#define ASSERT_STRING(x) { assert(false); }
+#define VERIFY(x) { assert(x); };
+
+#endif
diff --git a/dom/media/gmp/rlz/lib/crc8.cc b/dom/media/gmp/rlz/lib/crc8.cc
new file mode 100644
index 0000000000..fe02eabf1b
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/crc8.cc
@@ -0,0 +1,90 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "rlz/lib/crc8.h"
+
+namespace {
+
+// The CRC lookup table used for ATM HES (Polynomial = 0x07).
+// These are 256 unique 8-bit values.
+const unsigned char kCrcTable[256] = {
+  0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
+  0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
+  0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
+  0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
+  0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
+  0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
+  0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
+  0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
+  0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
+  0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
+  0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
+  0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
+  0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
+  0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
+  0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
+  0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
+  0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
+  0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
+  0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
+  0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
+  0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
+  0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
+  0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
+  0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
+  0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
+  0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
+  0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
+  0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
+  0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
+  0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
+  0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
+  0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
+};
+
+}  // namespace anonymous
+
+
+namespace rlz_lib {
+
+bool Crc8::Generate(const unsigned char *data, int length,
+                    unsigned char* check_sum) {
+  if (!check_sum)
+    return false;
+
+  *check_sum = 0;
+  if (!data)
+    return false;
+
+  // The inital and final constants are as used in the ATM HEC.
+  static const unsigned char kInitial = 0x00;
+  static const unsigned char kFinal = 0x55;
+  unsigned char crc = kInitial;
+  for (int i = 0; i < length; ++i) {
+    crc = kCrcTable[(data[i] ^ crc) & 0xFFU];
+  }
+
+  *check_sum =  crc ^ kFinal;
+  return true;
+}
+
+bool Crc8::Verify(const unsigned char* data, int length,
+                  unsigned char check_sum, bool* matches) {
+  if (!matches)
+    return false;
+
+  *matches = false;
+  if (!data)
+    return false;
+
+  unsigned char calculated_crc;
+  if (!Generate(data, length, &calculated_crc))
+    return false;
+
+  *matches = check_sum == calculated_crc;
+
+  return true;
+}
+
+}  // namespace rlz_lib
diff --git a/dom/media/gmp/rlz/lib/crc8.h b/dom/media/gmp/rlz/lib/crc8.h
new file mode 100644
index 0000000000..6c3c84859b
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/crc8.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Crc8 utility functions.
+
+#ifndef RLZ_LIB_CRC8_H_
+#define RLZ_LIB_CRC8_H_
+
+namespace rlz_lib {
+// CRC-8 methods:
+class Crc8 {
+ public:
+  static bool Generate(const unsigned char* data,
+                       int length,
+                       unsigned char* check_sum);
+  static bool Verify(const unsigned char* data,
+                     int length,
+                     unsigned char checksum,
+                     bool * matches);
+};
+};  // namespace rlz_lib
+
+#endif  // RLZ_LIB_CRC8_H_
diff --git a/dom/media/gmp/rlz/lib/machine_id.cc b/dom/media/gmp/rlz/lib/machine_id.cc
new file mode 100644
index 0000000000..b2943f90ff
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/machine_id.cc
@@ -0,0 +1,93 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "rlz/lib/machine_id.h"
+
+#include <stddef.h>
+
+#include "rlz/lib/assert.h"
+#include "rlz/lib/crc8.h"
+#include "rlz/lib/string_utils.h"
+
+// Note: The original machine_id.cc code depends on Chromium's sha1 implementation.
+// Using Mozilla's implmentation as replacement to reduce the dependency of
+// some external files.
+#include "mozilla/SHA1.h"
+
+namespace rlz_lib {
+
+bool GetMachineId(std::string* machine_id) {
+  if (!machine_id)
+    return false;
+
+  static std::string calculated_id;
+  static bool calculated = false;
+  if (calculated) {
+    *machine_id = calculated_id;
+    return true;
+  }
+
+  std::vector<uint8_t> sid_bytes;
+  int volume_id;
+  if (!GetRawMachineId(&sid_bytes, &volume_id))
+    return false;
+
+  if (!testing::GetMachineIdImpl(sid_bytes, volume_id, machine_id))
+    return false;
+
+  calculated = true;
+  calculated_id = *machine_id;
+  return true;
+}
+
+namespace testing {
+
+bool GetMachineIdImpl(const std::vector<uint8_t>& sid_bytes,
+                      int volume_id,
+                      std::string* machine_id) {
+  machine_id->clear();
+
+  // The ID should be the SID hash + the Hard Drive SNo. + checksum byte.
+  static const int kSizeWithoutChecksum = mozilla::SHA1Sum::kHashSize + sizeof(int);
+  std::basic_string<unsigned char> id_binary(kSizeWithoutChecksum + 1, 0);
+
+  if (!sid_bytes.empty()) {
+    // In order to be compatible with the old version of RLZ, the hash of the
+    // SID must be done with all the original bytes from the unicode string.
+    // However, the chromebase SHA1 hash function takes only an std::string as
+    // input, so the unicode string needs to be converted to std::string
+    // "as is".
+    size_t byte_count = sid_bytes.size() * sizeof(std::vector<uint8_t>::value_type);
+    const char* buffer = reinterpret_cast<const char*>(sid_bytes.data());
+
+    // Note that digest can have embedded nulls.
+    mozilla::SHA1Sum SHA1;
+    mozilla::SHA1Sum::Hash hash;
+    SHA1.update(buffer, byte_count);
+    SHA1.finish(hash);
+    std::string digest(reinterpret_cast<char*>(hash), mozilla::SHA1Sum::kHashSize);
+    VERIFY(digest.size() == mozilla::SHA1Sum::kHashSize);
+    std::copy(digest.begin(), digest.end(), id_binary.begin());
+  }
+
+  // Convert from int to binary (makes big-endian).
+  for (size_t i = 0; i < sizeof(int); i++) {
+    int shift_bits = 8 * (sizeof(int) - i - 1);
+    id_binary[mozilla::SHA1Sum::kHashSize + i] = static_cast<unsigned char>(
+        (volume_id >> shift_bits) & 0xFF);
+  }
+
+  // Append the checksum byte.
+  if (!sid_bytes.empty() || (0 != volume_id))
+    rlz_lib::Crc8::Generate(id_binary.c_str(),
+                            kSizeWithoutChecksum,
+                            &id_binary[kSizeWithoutChecksum]);
+
+  return rlz_lib::BytesToString(
+      id_binary.c_str(), kSizeWithoutChecksum + 1, machine_id);
+}
+
+}  // namespace testing
+
+}  // namespace rlz_lib
diff --git a/dom/media/gmp/rlz/lib/machine_id.h b/dom/media/gmp/rlz/lib/machine_id.h
new file mode 100644
index 0000000000..5fa343efa3
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/machine_id.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RLZ_LIB_MACHINE_ID_H_
+#define RLZ_LIB_MACHINE_ID_H_
+
+#include <string>
+#include <vector>
+
+namespace rlz_lib {
+
+// Gets the unique ID for the machine used for RLZ tracking purposes. On
+// Windows, this ID is derived from the Windows machine SID, and is the string
+// representation of a 20 byte hash + 4 bytes volum id + a 1 byte checksum.
+// Included in financial pings with events, unless explicitly forbidden by the
+// calling application.
+bool GetMachineId(std::string* machine_id);
+
+// Retrieves a raw machine identifier string and a machine-specific
+// 4 byte value. GetMachineId() will SHA1 |data|, append |more_data|, compute
+// the Crc8 of that, and return a hex-encoded string of that data.
+bool GetRawMachineId(std::vector<uint8_t>* data, int* more_data);
+
+namespace testing {
+bool GetMachineIdImpl(const std::vector<uint8_t>& sid_bytes,
+                      int volume_id,
+                      std::string* machine_id);
+}  // namespace testing
+
+}  // namespace rlz_lib
+
+#endif  // RLZ_LIB_MACHINE_ID_H_
diff --git a/dom/media/gmp/rlz/lib/string_utils.cc b/dom/media/gmp/rlz/lib/string_utils.cc
new file mode 100644
index 0000000000..6da7323823
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/string_utils.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// String manipulation functions used in the RLZ library.
+
+#include "rlz/lib/string_utils.h"
+
+namespace rlz_lib {
+
+bool BytesToString(const unsigned char* data,
+                   int data_len,
+                   std::string* string) {
+  if (!string)
+    return false;
+
+  string->clear();
+  if (data_len < 1 || !data)
+    return false;
+
+  static const char kHex[] = "0123456789ABCDEF";
+
+  // Fix the buffer size to begin with to avoid repeated re-allocation.
+  string->resize(data_len * 2);
+  int index = data_len;
+  while (index--) {
+    string->at(2 * index) = kHex[data[index] >> 4];  // high digit
+    string->at(2 * index + 1) = kHex[data[index] & 0x0F];  // low digit
+  }
+
+  return true;
+}
+
+}  // namespace rlz_lib
diff --git a/dom/media/gmp/rlz/lib/string_utils.h b/dom/media/gmp/rlz/lib/string_utils.h
new file mode 100644
index 0000000000..500133ade1
--- /dev/null
+++ b/dom/media/gmp/rlz/lib/string_utils.h
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// String manipulation functions used in the RLZ library.
+
+#ifndef RLZ_LIB_STRING_UTILS_H_
+#define RLZ_LIB_STRING_UTILS_H_
+
+#include <string>
+
+namespace rlz_lib {
+
+bool BytesToString(const unsigned char* data,
+                   int data_len,
+                   std::string* string);
+
+};  // namespace
+
+#endif  // RLZ_LIB_STRING_UTILS_H_
diff --git a/dom/media/gmp/rlz/mac/lib/machine_id_mac.cc b/dom/media/gmp/rlz/mac/lib/machine_id_mac.cc
new file mode 100644
index 0000000000..8c0bae22e8
--- /dev/null
+++ b/dom/media/gmp/rlz/mac/lib/machine_id_mac.cc
@@ -0,0 +1,322 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <IOKit/IOKitLib.h>
+#include <IOKit/network/IOEthernetController.h>
+#include <IOKit/network/IOEthernetInterface.h>
+#include <IOKit/network/IONetworkInterface.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <vector>
+#include <string>
+// Note: The original machine_id_mac.cc code is in namespace rlz_lib below.
+// It depends on some external files, which would bring in a log of Chromium
+// code if imported as well.
+// Instead only the necessary code has been extracted from the relevant files,
+// and further combined and reduced to limit the maintenance burden.
+
+// [Extracted from base/logging.h]
+#define DCHECK assert
+
+namespace base {
+
+// [Extracted from base/mac/scoped_typeref.h and base/mac/scoped_cftyperef.h]
+template<typename T>
+class ScopedCFTypeRef {
+ public:
+  typedef T element_type;
+
+  explicit ScopedCFTypeRef(T object)
+      : object_(object) {
+  }
+
+  ScopedCFTypeRef(const ScopedCFTypeRef<T>& that) = delete;
+  ScopedCFTypeRef(ScopedCFTypeRef<T>&& that) = delete;
+
+  ~ScopedCFTypeRef() {
+    if (object_)
+      CFRelease(object_);
+  }
+
+  ScopedCFTypeRef& operator=(const ScopedCFTypeRef<T>& that) = delete;
+  ScopedCFTypeRef& operator=(ScopedCFTypeRef<T>&& that) = delete;
+
+  operator T() const {
+    return object_;
+  }
+
+  // ScopedCFTypeRef<>::release() is like scoped_ptr<>::release.  It is NOT
+  // a wrapper for CFRelease().
+  T release() {
+    T temp = object_;
+    object_ = NULL;
+    return temp;
+  }
+
+ private:
+  T object_;
+};
+
+namespace mac {
+
+// [Extracted from base/mac/scoped_ioobject.h]
+// Just like ScopedCFTypeRef but for io_object_t and subclasses.
+template<typename IOT>
+class ScopedIOObject {
+ public:
+  typedef IOT element_type;
+
+  explicit ScopedIOObject(IOT object = IO_OBJECT_NULL)
+      : object_(object) {
+  }
+
+  ~ScopedIOObject() {
+    if (object_)
+      IOObjectRelease(object_);
+  }
+
+  ScopedIOObject(const ScopedIOObject&) = delete;
+  void operator=(const ScopedIOObject&) = delete;
+
+  void reset(IOT object = IO_OBJECT_NULL) {
+    if (object_)
+      IOObjectRelease(object_);
+    object_ = object;
+  }
+
+  operator IOT() const {
+    return object_;
+  }
+
+ private:
+  IOT object_;
+};
+
+// [Extracted from base/mac/foundation_util.h]
+template<typename T>
+T CFCast(const CFTypeRef& cf_val);
+
+template<>
+CFDataRef
+CFCast<CFDataRef>(const CFTypeRef& cf_val) {
+  if (cf_val == NULL) {
+    return NULL;
+  }
+  if (CFGetTypeID(cf_val) == CFDataGetTypeID()) {
+    return (CFDataRef)(cf_val);
+  }
+  return NULL;
+}
+
+template<>
+CFStringRef
+CFCast<CFStringRef>(const CFTypeRef& cf_val) {
+  if (cf_val == NULL) {
+    return NULL;
+  }
+  if (CFGetTypeID(cf_val) == CFStringGetTypeID()) {
+    return (CFStringRef)(cf_val);
+  }
+  return NULL;
+}
+
+}  // namespace mac
+
+// [Extracted from base/strings/sys_string_conversions_mac.mm]
+static const CFStringEncoding kNarrowStringEncoding = kCFStringEncodingUTF8;
+
+template<typename StringType>
+static StringType CFStringToSTLStringWithEncodingT(CFStringRef cfstring,
+                                                   CFStringEncoding encoding) {
+  CFIndex length = CFStringGetLength(cfstring);
+  if (length == 0)
+    return StringType();
+
+  CFRange whole_string = CFRangeMake(0, length);
+  CFIndex out_size;
+  CFIndex converted = CFStringGetBytes(cfstring,
+                                       whole_string,
+                                       encoding,
+                                       0,      // lossByte
+                                       false,  // isExternalRepresentation
+                                       NULL,   // buffer
+                                       0,      // maxBufLen
+                                       &out_size);
+  if (converted == 0 || out_size == 0)
+    return StringType();
+
+  // out_size is the number of UInt8-sized units needed in the destination.
+  // A buffer allocated as UInt8 units might not be properly aligned to
+  // contain elements of StringType::value_type.  Use a container for the
+  // proper value_type, and convert out_size by figuring the number of
+  // value_type elements per UInt8.  Leave room for a NUL terminator.
+  typename StringType::size_type elements =
+      out_size * sizeof(UInt8) / sizeof(typename StringType::value_type) + 1;
+
+  std::vector<typename StringType::value_type> out_buffer(elements);
+  converted = CFStringGetBytes(cfstring,
+                               whole_string,
+                               encoding,
+                               0,      // lossByte
+                               false,  // isExternalRepresentation
+                               reinterpret_cast<UInt8*>(&out_buffer[0]),
+                               out_size,
+                               NULL);  // usedBufLen
+  if (converted == 0)
+    return StringType();
+
+  out_buffer[elements - 1] = '\0';
+  return StringType(&out_buffer[0], elements - 1);
+}
+
+std::string SysCFStringRefToUTF8(CFStringRef ref)
+{
+  return CFStringToSTLStringWithEncodingT<std::string>(ref,
+                                                       kNarrowStringEncoding);
+}
+
+} // namespace base
+
+namespace rlz_lib {
+
+namespace {
+
+// See http://developer.apple.com/library/mac/#technotes/tn1103/_index.html
+
+// The caller is responsible for freeing |matching_services|.
+bool FindEthernetInterfaces(io_iterator_t* matching_services) {
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> matching_dict(
+      IOServiceMatching(kIOEthernetInterfaceClass));
+  if (!matching_dict)
+    return false;
+
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> primary_interface(
+      CFDictionaryCreateMutable(kCFAllocatorDefault,
+                                0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+  if (!primary_interface)
+    return false;
+
+  CFDictionarySetValue(
+      primary_interface, CFSTR(kIOPrimaryInterface), kCFBooleanTrue);
+  CFDictionarySetValue(
+      matching_dict, CFSTR(kIOPropertyMatchKey), primary_interface);
+
+  kern_return_t kern_result = IOServiceGetMatchingServices(
+      kIOMasterPortDefault, matching_dict.release(), matching_services);
+
+  return kern_result == KERN_SUCCESS;
+}
+
+bool GetMACAddressFromIterator(io_iterator_t primary_interface_iterator,
+                               uint8_t* buffer, size_t buffer_size) {
+  if (buffer_size < kIOEthernetAddressSize)
+    return false;
+
+  bool success = false;
+
+  bzero(buffer, buffer_size);
+  base::mac::ScopedIOObject<io_object_t> primary_interface;
+  for (primary_interface.reset(IOIteratorNext(primary_interface_iterator));
+       primary_interface;
+       primary_interface.reset(IOIteratorNext(primary_interface_iterator))) {
+    io_object_t primary_interface_parent;
+    kern_return_t kern_result = IORegistryEntryGetParentEntry(
+        primary_interface, kIOServicePlane, &primary_interface_parent);
+    base::mac::ScopedIOObject<io_object_t> primary_interface_parent_deleter(
+        primary_interface_parent);
+    success = kern_result == KERN_SUCCESS;
+
+    if (!success)
+      continue;
+
+    base::ScopedCFTypeRef<CFTypeRef> mac_data(
+        IORegistryEntryCreateCFProperty(primary_interface_parent,
+                                        CFSTR(kIOMACAddress),
+                                        kCFAllocatorDefault,
+                                        0));
+    CFDataRef mac_data_data = base::mac::CFCast<CFDataRef>(mac_data);
+    if (mac_data_data) {
+      CFDataGetBytes(
+          mac_data_data, CFRangeMake(0, kIOEthernetAddressSize), buffer);
+    }
+  }
+
+  return success;
+}
+
+bool GetMacAddress(unsigned char* buffer, size_t size) {
+  io_iterator_t primary_interface_iterator;
+  if (!FindEthernetInterfaces(&primary_interface_iterator))
+    return false;
+  bool result = GetMACAddressFromIterator(
+      primary_interface_iterator, buffer, size);
+  IOObjectRelease(primary_interface_iterator);
+  return result;
+}
+
+CFStringRef CopySerialNumber() {
+  base::mac::ScopedIOObject<io_service_t> expert_device(
+      IOServiceGetMatchingService(kIOMasterPortDefault,
+          IOServiceMatching("IOPlatformExpertDevice")));
+  if (!expert_device)
+    return NULL;
+
+  base::ScopedCFTypeRef<CFTypeRef> serial_number(
+      IORegistryEntryCreateCFProperty(expert_device,
+                                      CFSTR(kIOPlatformSerialNumberKey),
+                                      kCFAllocatorDefault,
+                                      0));
+  CFStringRef serial_number_cfstring =
+      base::mac::CFCast<CFStringRef>(serial_number.release());
+  if (!serial_number_cfstring)
+    return NULL;
+
+  return serial_number_cfstring;
+}
+
+}  // namespace
+
+bool GetRawMachineId(std::vector<uint8_t>* data, int* more_data) {
+  uint8_t mac_address[kIOEthernetAddressSize];
+
+  std::string id;
+  if (GetMacAddress(mac_address, sizeof(mac_address))) {
+    id += "mac:";
+    static const char hex[] =
+      { '0', '1', '2', '3', '4', '5', '6', '7',
+        '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+    for (int i = 0; i < kIOEthernetAddressSize; ++i) {
+      uint8_t byte = mac_address[i];
+      id += hex[byte >> 4];
+      id += hex[byte & 0xF];
+    }
+  }
+
+  // A MAC address is enough to uniquely identify a machine, but it's only 6
+  // bytes, 3 of which are manufacturer-determined. To make brute-forcing the
+  // SHA1 of this harder, also append the system's serial number.
+  CFStringRef serial = CopySerialNumber();
+  if (serial) {
+    if (!id.empty()) {
+      id += ' ';
+    }
+    id += "serial:";
+    id += base::SysCFStringRefToUTF8(serial);
+    CFRelease(serial);
+  }
+
+  // Get the contents of the string 'id' as a bunch of bytes.
+  data->assign(&id[0], &id[id.size()]);
+
+  // On windows, this is set to the volume id. Since it's not scrambled before
+  // being sent, just set it to 1.
+  *more_data = 1;
+  return true;
+}
+
+}  // namespace rlz_lib
diff --git a/dom/media/gmp/rlz/moz.build b/dom/media/gmp/rlz/moz.build
new file mode 100644
index 0000000000..8e2d9ea5d1
--- /dev/null
+++ b/dom/media/gmp/rlz/moz.build
@@ -0,0 +1,34 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Note: build rlz in its own moz.build, so it doesn't pickup any of
+# Chromium IPC's headers used in the moz.build of the parent file.
+
+FINAL_LIBRARY = 'xul'
+
+if CONFIG['OS_TARGET'] in ['WINNT', 'Darwin']:
+    UNIFIED_SOURCES += [
+        'lib/crc8.cc',
+        'lib/machine_id.cc',
+        'lib/string_utils.cc',
+    ]
+
+if CONFIG['OS_TARGET'] == 'WINNT':
+    UNIFIED_SOURCES += [
+        'win/lib/machine_id_win.cc',
+    ]
+
+if CONFIG['OS_TARGET'] == 'Darwin':
+    UNIFIED_SOURCES += [
+        'mac/lib/machine_id_mac.cc',
+    ]
+    OS_LIBS += [
+        '-framework IOKit',
+    ]
+
+LOCAL_INCLUDES += [
+    '..',
+]
diff --git a/dom/media/gmp/rlz/win/lib/machine_id_win.cc b/dom/media/gmp/rlz/win/lib/machine_id_win.cc
new file mode 100644
index 0000000000..85f1d6cf54
--- /dev/null
+++ b/dom/media/gmp/rlz/win/lib/machine_id_win.cc
@@ -0,0 +1,136 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <windows.h>
+#include <sddl.h>  // For ConvertSidToStringSidW.
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "mozilla/ArrayUtils.h"
+
+#include "rlz/lib/assert.h"
+
+namespace rlz_lib {
+
+namespace {
+
+bool GetSystemVolumeSerialNumber(int* number) {
+  if (!number)
+    return false;
+
+  *number = 0;
+
+  // Find the system root path (e.g: C:\).
+  wchar_t system_path[MAX_PATH + 1];
+  if (!GetSystemDirectoryW(system_path, MAX_PATH))
+    return false;
+
+  wchar_t* first_slash = wcspbrk(system_path, L"\\/");
+  if (first_slash != NULL)
+    *(first_slash + 1) = 0;
+
+  DWORD number_local = 0;
+  if (!GetVolumeInformationW(system_path, NULL, 0, &number_local, NULL, NULL,
+                             NULL, 0))
+    return false;
+
+  *number = (int)number_local;
+  return true;
+}
+
+bool GetComputerSid(const wchar_t* account_name, SID* sid, DWORD sid_size) {
+  static const DWORD kStartDomainLength = 128;  // reasonable to start with
+
+  std::unique_ptr<wchar_t[]> domain_buffer(new wchar_t[kStartDomainLength]);
+  DWORD domain_size = kStartDomainLength;
+  DWORD sid_dword_size = sid_size;
+  SID_NAME_USE sid_name_use;
+
+  BOOL success = ::LookupAccountNameW(NULL, account_name, sid,
+                                      &sid_dword_size, domain_buffer.get(),
+                                      &domain_size, &sid_name_use);
+  if (!success && ::GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+    // We could have gotten the insufficient buffer error because
+    // one or both of sid and szDomain was too small. Check for that
+    // here.
+    if (sid_dword_size > sid_size)
+      return false;
+
+    if (domain_size > kStartDomainLength)
+      domain_buffer.reset(new wchar_t[domain_size]);
+
+    success = ::LookupAccountNameW(NULL, account_name, sid, &sid_dword_size,
+                                   domain_buffer.get(), &domain_size,
+                                   &sid_name_use);
+  }
+
+  return success != FALSE;
+}
+
+std::vector<uint8_t> ConvertSidToBytes(SID* sid) {
+  std::wstring sid_string;
+#if _WIN32_WINNT >= 0x500
+  wchar_t* sid_buffer = NULL;
+  if (ConvertSidToStringSidW(sid, &sid_buffer)) {
+    sid_string = sid_buffer;
+    LocalFree(sid_buffer);
+  }
+#else
+  SID_IDENTIFIER_AUTHORITY* sia = ::GetSidIdentifierAuthority(sid);
+
+  if(sia->Value[0] || sia->Value[1]) {
+    base::SStringPrintf(
+        &sid_string, L"S-%d-0x%02hx%02hx%02hx%02hx%02hx%02hx",
+        SID_REVISION, (USHORT)sia->Value[0], (USHORT)sia->Value[1],
+        (USHORT)sia->Value[2], (USHORT)sia->Value[3], (USHORT)sia->Value[4],
+        (USHORT)sia->Value[5]);
+  } else {
+    ULONG authority = 0;
+    for (int i = 2; i < 6; ++i) {
+      authority <<= 8;
+      authority |= sia->Value[i];
+    }
+    base::SStringPrintf(&sid_string, L"S-%d-%lu", SID_REVISION, authority);
+  }
+
+  int sub_auth_count = *::GetSidSubAuthorityCount(sid);
+  for(int i = 0; i < sub_auth_count; ++i)
+    base::StringAppendF(&sid_string, L"-%lu", *::GetSidSubAuthority(sid, i));
+#endif
+
+  // Get the contents of the string as a bunch of bytes.
+  return std::vector<uint8_t>(
+           reinterpret_cast<uint8_t*>(&sid_string[0]),
+           reinterpret_cast<uint8_t*>(&sid_string[sid_string.size()]));
+}
+
+}  // namespace
+
+bool GetRawMachineId(std::vector<uint8_t>* sid_bytes, int* volume_id) {
+  // Calculate the Windows SID.
+
+  wchar_t computer_name[MAX_COMPUTERNAME_LENGTH + 1] = {0};
+  DWORD size = mozilla::ArrayLength(computer_name);
+
+  if (GetComputerNameW(computer_name, &size)) {
+    char sid_buffer[SECURITY_MAX_SID_SIZE];
+    SID* sid = reinterpret_cast<SID*>(sid_buffer);
+    if (GetComputerSid(computer_name, sid, SECURITY_MAX_SID_SIZE)) {
+      *sid_bytes = ConvertSidToBytes(sid);
+    }
+  }
+
+  // Get the system drive volume serial number.
+  *volume_id = 0;
+  if (!GetSystemVolumeSerialNumber(volume_id)) {
+    ASSERT_STRING("GetMachineId: Failed to retrieve volume serial number");
+    *volume_id = 0;
+  }
+
+  return true;
+}
+
+}  // namespace rlz_lib