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-rw-r--r--dom/media/gmp/rlz/lib/assert.h14
-rw-r--r--dom/media/gmp/rlz/lib/crc8.cc90
-rw-r--r--dom/media/gmp/rlz/lib/crc8.h24
-rw-r--r--dom/media/gmp/rlz/lib/machine_id.cc93
-rw-r--r--dom/media/gmp/rlz/lib/machine_id.h33
-rw-r--r--dom/media/gmp/rlz/lib/string_utils.cc34
-rw-r--r--dom/media/gmp/rlz/lib/string_utils.h20
7 files changed, 308 insertions, 0 deletions
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..dd41e52001
--- /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::vector<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.data(),
+ kSizeWithoutChecksum,
+ &id_binary[kSizeWithoutChecksum]);
+
+ return rlz_lib::BytesToString(
+ id_binary.data(), 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_
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 19:32:15 +0000