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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/media/gmp/rlz/win
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/gmp/rlz/win')
-rw-r--r--dom/media/gmp/rlz/win/lib/machine_id_win.cc134
1 files changed, 134 insertions, 0 deletions
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 000000000..0a636ebd3
--- /dev/null
+++ b/dom/media/gmp/rlz/win/lib/machine_id_win.cc
@@ -0,0 +1,134 @@
+// Copyright 2011 Google Inc. All Rights Reserved.
+// Use of this source code is governed by an Apache-style license that can be
+// found in the COPYING file.
+
+#include <windows.h>
+#include <sddl.h> // For ConvertSidToStringSidW.
+#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::vector<wchar_t> domain_buffer(kStartDomainLength, 0);
+ 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.front(),
+ &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.resize(domain_size);
+
+ success = ::LookupAccountNameW(NULL, account_name, sid, &sid_dword_size,
+ &domain_buffer.front(), &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)) {
+ return false;
+ }
+ 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