blob: c4d96a289a58b09c7a3817848e7346e7da4310e4 [file] [log] [blame]
// Copyright 2016 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 "chrome/install_static/install_details.h"
#include <assert.h>
#include <string.h>
#include <type_traits>
#include "chrome/install_static/install_modes.h"
#include "chrome/install_static/install_util.h"
#include "chrome_elf/nt_registry/nt_registry.h"
#include "components/version_info/version_info_values.h"
namespace install_static {
namespace {
// The version is set at compile-time to a W.X.Y.Z value.
constexpr char kProductVersion[] = PRODUCT_VERSION;
// This module's instance (intentionally leaked at shutdown).
InstallDetails* g_module_details = nullptr;
} // namespace
std::wstring InstallDetails::GetClientStateKeyPath(bool binaries) const {
return binaries && multi_install()
? GetBinariesClientStateKeyPath()
: install_static::GetClientStateKeyPath(app_guid());
}
std::wstring InstallDetails::GetClientStateMediumKeyPath(bool binaries) const {
return binaries && multi_install()
? GetBinariesClientStateMediumKeyPath()
: install_static::GetClientStateMediumKeyPath(app_guid());
}
bool InstallDetails::VersionMismatch() const {
// Check the product version and the size of the mode structure.
return payload_->size != sizeof(Payload) ||
strcmp(payload_->product_version, &kProductVersion[0]) != 0 ||
payload_->mode->size != sizeof(InstallConstants);
}
// static
const InstallDetails& InstallDetails::Get() {
assert(g_module_details);
return *g_module_details;
}
// static
void InstallDetails::SetForProcess(
std::unique_ptr<PrimaryInstallDetails> details) {
assert(!details || !g_module_details);
// Tests may set then reset via null. In this case, delete the old instance.
delete g_module_details;
// Intentionally leaked at shutdown.
g_module_details = details.release();
}
// static
const InstallDetails::Payload* InstallDetails::GetPayload() {
assert(g_module_details);
static_assert(std::is_pod<Payload>::value, "Payload must be a POD-struct");
static_assert(std::is_pod<InstallConstants>::value,
"InstallConstants must be a POD-struct");
return g_module_details->payload_;
}
// static
void InstallDetails::InitializeFromPrimaryModule(
const wchar_t* primary_module_name) {
assert(!g_module_details);
using GetInstallDetailsPayloadFunction = const Payload*(__cdecl*)();
GetInstallDetailsPayloadFunction payload_getter =
reinterpret_cast<GetInstallDetailsPayloadFunction>(::GetProcAddress(
::GetModuleHandle(primary_module_name), "GetInstallDetailsPayload"));
assert(payload_getter);
// Intentionally leaked at shutdown.
g_module_details = new InstallDetails(payload_getter());
}
PrimaryInstallDetails::PrimaryInstallDetails() : InstallDetails(&payload_) {
payload_.size = sizeof(payload_);
payload_.product_version = &kProductVersion[0];
}
} // namespace install_static