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-rw-r--r--rlz/win/lib/rlz_lib_win.cc260
1 files changed, 0 insertions, 260 deletions
diff --git a/rlz/win/lib/rlz_lib_win.cc b/rlz/win/lib/rlz_lib_win.cc
deleted file mode 100644
index e7b145e..0000000
--- a/rlz/win/lib/rlz_lib_win.cc
+++ /dev/null
@@ -1,260 +0,0 @@
-// 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.
-//
-// A library to manage RLZ information for access-points shared
-// across different client applications.
-
-#include "rlz/win/lib/rlz_lib.h"
-
-#include <windows.h>
-#include <aclapi.h>
-#include <winerror.h>
-
-#include "base/basictypes.h"
-#include "base/win/registry.h"
-#include "base/win/windows_version.h"
-#include "rlz/lib/assert.h"
-#include "rlz/lib/rlz_value_store.h"
-#include "rlz/win/lib/machine_deal.h"
-#include "rlz/win/lib/rlz_value_store_registry.h"
-
-namespace {
-
-// Path to recursively copy into the replacemment hives. These are needed
-// to make sure certain win32 APIs continue to run correctly once the real
-// hives are replaced.
-const wchar_t* kHKLMAccessProviders =
- L"System\\CurrentControlSet\\Control\\Lsa\\AccessProviders";
-
-// Helper functions
-
-void CopyRegistryTree(const base::win::RegKey& src, base::win::RegKey* dest) {
- // First copy values.
- for (base::win::RegistryValueIterator i(src.Handle(), L"");
- i.Valid(); ++i) {
- dest->WriteValue(i.Name(), reinterpret_cast<const void*>(i.Value()),
- i.ValueSize(), i.Type());
- }
-
- // Next copy subkeys recursively.
- for (base::win::RegistryKeyIterator i(src.Handle(), L"");
- i.Valid(); ++i) {
- base::win::RegKey subkey(dest->Handle(), i.Name(), KEY_ALL_ACCESS);
- CopyRegistryTree(base::win::RegKey(src.Handle(), i.Name(), KEY_READ),
- &subkey);
- }
-}
-
-} // namespace anonymous
-
-
-namespace rlz_lib {
-
-// OEM Deal confirmation storage functions.
-
-template<class T>
-class typed_buffer_ptr {
- scoped_array<char> buffer_;
-
- public:
- typed_buffer_ptr() {
- }
-
- explicit typed_buffer_ptr(size_t size) : buffer_(new char[size]) {
- }
-
- void reset(size_t size) {
- buffer_.reset(new char[size]);
- }
-
- operator T*() {
- return reinterpret_cast<T*>(buffer_.get());
- }
-};
-
-// Check if this SID has the desired access by scanning the ACEs in the DACL.
-// This function is part of the rlz_lib namespace so that it can be called from
-// unit tests. Non-unit test code should not call this function.
-bool HasAccess(PSID sid, ACCESS_MASK access_mask, ACL* dacl) {
- if (dacl == NULL)
- return false;
-
- ACL_SIZE_INFORMATION info;
- if (!GetAclInformation(dacl, &info, sizeof(info), AclSizeInformation))
- return false;
-
- GENERIC_MAPPING generic_mapping = {KEY_READ, KEY_WRITE, KEY_EXECUTE,
- KEY_ALL_ACCESS};
- MapGenericMask(&access_mask, &generic_mapping);
-
- for (DWORD i = 0; i < info.AceCount; ++i) {
- ACCESS_ALLOWED_ACE* ace;
- if (GetAce(dacl, i, reinterpret_cast<void**>(&ace))) {
- if ((ace->Header.AceFlags & INHERIT_ONLY_ACE) == INHERIT_ONLY_ACE)
- continue;
-
- PSID existing_sid = reinterpret_cast<PSID>(&ace->SidStart);
- DWORD mask = ace->Mask;
- MapGenericMask(&mask, &generic_mapping);
-
- if (ace->Header.AceType == ACCESS_ALLOWED_ACE_TYPE &&
- (mask & access_mask) == access_mask && EqualSid(existing_sid, sid))
- return true;
-
- if (ace->Header.AceType == ACCESS_DENIED_ACE_TYPE &&
- (mask & access_mask) != 0 && EqualSid(existing_sid, sid))
- return false;
- }
- }
-
- return false;
-}
-
-bool CreateMachineState() {
- LibMutex lock;
- if (lock.failed())
- return false;
-
- base::win::RegKey hklm_key;
- if (hklm_key.Create(HKEY_LOCAL_MACHINE,
- RlzValueStoreRegistry::GetWideLibKeyName().c_str(),
- KEY_ALL_ACCESS | KEY_WOW64_32KEY) != ERROR_SUCCESS) {
- ASSERT_STRING("rlz_lib::CreateMachineState: "
- "Unable to create / open machine key.");
- return false;
- }
-
- // Create a SID that represents ALL USERS.
- DWORD users_sid_size = SECURITY_MAX_SID_SIZE;
- typed_buffer_ptr<SID> users_sid(users_sid_size);
- CreateWellKnownSid(WinBuiltinUsersSid, NULL, users_sid, &users_sid_size);
-
- // Get the security descriptor for the registry key.
- DWORD original_sd_size = 0;
- ::RegGetKeySecurity(hklm_key.Handle(), DACL_SECURITY_INFORMATION, NULL,
- &original_sd_size);
- typed_buffer_ptr<SECURITY_DESCRIPTOR> original_sd(original_sd_size);
-
- LONG result = ::RegGetKeySecurity(hklm_key.Handle(),
- DACL_SECURITY_INFORMATION, original_sd, &original_sd_size);
- if (result != ERROR_SUCCESS) {
- ASSERT_STRING("rlz_lib::CreateMachineState: "
- "Unable to create / open machine key.");
- return false;
- }
-
- // Make a copy of the security descriptor so we can modify it. The one
- // returned by RegGetKeySecurity() is self-relative, so we need to make it
- // absolute.
- DWORD new_sd_size = 0;
- DWORD dacl_size = 0;
- DWORD sacl_size = 0;
- DWORD owner_size = 0;
- DWORD group_size = 0;
- ::MakeAbsoluteSD(original_sd, NULL, &new_sd_size, NULL, &dacl_size,
- NULL, &sacl_size, NULL, &owner_size,
- NULL, &group_size);
-
- typed_buffer_ptr<SECURITY_DESCRIPTOR> new_sd(new_sd_size);
- // Make sure the DACL is big enough to add one more ACE.
- typed_buffer_ptr<ACL> dacl(dacl_size + SECURITY_MAX_SID_SIZE);
- typed_buffer_ptr<ACL> sacl(sacl_size);
- typed_buffer_ptr<SID> owner(owner_size);
- typed_buffer_ptr<SID> group(group_size);
-
- if (!::MakeAbsoluteSD(original_sd, new_sd, &new_sd_size, dacl, &dacl_size,
- sacl, &sacl_size, owner, &owner_size,
- group, &group_size)) {
- ASSERT_STRING("rlz_lib::CreateMachineState: MakeAbsoluteSD failed");
- return false;
- }
-
- // If all users already have read/write access to the registry key, then
- // nothing to do. Otherwise change the security descriptor of the key to
- // give everyone access.
- if (HasAccess(users_sid, KEY_ALL_ACCESS, dacl)) {
- return false;
- }
-
- // Add ALL-USERS ALL-ACCESS ACL.
- EXPLICIT_ACCESS ea;
- ZeroMemory(&ea, sizeof(EXPLICIT_ACCESS));
- ea.grfAccessPermissions = GENERIC_ALL | KEY_ALL_ACCESS;
- ea.grfAccessMode = GRANT_ACCESS;
- ea.grfInheritance= SUB_CONTAINERS_AND_OBJECTS_INHERIT;
- ea.Trustee.TrusteeForm = TRUSTEE_IS_NAME;
- ea.Trustee.ptstrName = L"Everyone";
-
- ACL* new_dacl = NULL;
- result = SetEntriesInAcl(1, &ea, dacl, &new_dacl);
- if (result != ERROR_SUCCESS) {
- ASSERT_STRING("rlz_lib::CreateMachineState: SetEntriesInAcl failed");
- return false;
- }
-
- BOOL ok = SetSecurityDescriptorDacl(new_sd, TRUE, new_dacl, FALSE);
- if (!ok) {
- ASSERT_STRING("rlz_lib::CreateMachineState: "
- "SetSecurityDescriptorOwner failed");
- LocalFree(new_dacl);
- return false;
- }
-
- result = ::RegSetKeySecurity(hklm_key.Handle(),
- DACL_SECURITY_INFORMATION,
- new_sd);
- // Note that the new DACL cannot be freed until after the call to
- // RegSetKeySecurity().
- LocalFree(new_dacl);
-
- bool success = true;
- if (result != ERROR_SUCCESS) {
- ASSERT_STRING("rlz_lib::CreateMachineState: "
- "Unable to create / open machine key.");
- success = false;
- }
-
-
- return success;
-}
-
-bool SetMachineDealCode(const char* dcc) {
- return MachineDealCode::Set(dcc);
-}
-
-bool GetMachineDealCodeAsCgi(char* cgi, size_t cgi_size) {
- return MachineDealCode::GetAsCgi(cgi, cgi_size);
-}
-
-bool GetMachineDealCode(char* dcc, size_t dcc_size) {
- return MachineDealCode::Get(dcc, dcc_size);
-}
-
-// Combined functions.
-
-bool SetMachineDealCodeFromPingResponse(const char* response) {
- return MachineDealCode::SetFromPingResponse(response);
-}
-
-void InitializeTempHivesForTesting(const base::win::RegKey& temp_hklm_key,
- const base::win::RegKey& temp_hkcu_key) {
- // For the moment, the HKCU hive requires no initialization.
-
- if (base::win::GetVersion() >= base::win::VERSION_WIN7) {
- // Copy the following HKLM subtrees to the temporary location so that the
- // win32 APIs used by the tests continue to work:
- //
- // HKLM\System\CurrentControlSet\Control\Lsa\AccessProviders
- //
- // This seems to be required since Win7.
- base::win::RegKey dest(temp_hklm_key.Handle(), kHKLMAccessProviders,
- KEY_ALL_ACCESS);
- CopyRegistryTree(base::win::RegKey(HKEY_LOCAL_MACHINE,
- kHKLMAccessProviders,
- KEY_READ),
- &dest);
- }
-}
-
-} // namespace rlz_lib
generated by cgit v1.1 at 2025-01-21 22:06:27 +0000