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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/process/process_info.h"
#include <windows.h>
#include <optional>
#include "base/logging.h"
#include "base/notreached.h"
#include "base/process/process.h"
#include "base/win/access_token.h"
namespace base {
namespace {
IntegrityLevel GetProcessIntegrityLevelInternal(
std::optional<win::AccessToken> token) {
if (!token) {
PLOG(ERROR) << "AccessToken `token` is invalid";
return INTEGRITY_UNKNOWN;
}
DWORD integrity_level = token->IntegrityLevel();
if (integrity_level < SECURITY_MANDATORY_LOW_RID) {
return UNTRUSTED_INTEGRITY;
}
if (integrity_level < SECURITY_MANDATORY_MEDIUM_RID) {
return LOW_INTEGRITY;
}
if (integrity_level < SECURITY_MANDATORY_HIGH_RID) {
return MEDIUM_INTEGRITY;
}
if (integrity_level >= SECURITY_MANDATORY_HIGH_RID) {
return HIGH_INTEGRITY;
}
NOTREACHED();
}
} // namespace
IntegrityLevel GetProcessIntegrityLevel(ProcessId process_id) {
auto process = Process::OpenWithAccess(process_id, PROCESS_QUERY_INFORMATION);
return process.IsValid()
? GetProcessIntegrityLevelInternal(win::AccessToken::FromProcess(
process.Handle(),
/*impersonation=*/false, TOKEN_QUERY_SOURCE))
: INTEGRITY_UNKNOWN;
}
IntegrityLevel GetCurrentProcessIntegrityLevel() {
return GetProcessIntegrityLevelInternal(
win::AccessToken::FromCurrentProcess());
}
bool IsCurrentProcessElevated() {
std::optional<win::AccessToken> token =
win::AccessToken::FromCurrentProcess();
if (!token) {
PLOG(ERROR) << "AccessToken::FromCurrentProcess() failed";
return false;
}
return token->IsElevated();
}
bool IsCurrentProcessInAppContainer() {
std::optional<win::AccessToken> token =
win::AccessToken::FromCurrentProcess();
if (!token) {
PLOG(ERROR) << "AccessToken::FromCurrentProcess() failed";
return false;
}
return token->IsAppContainer();
}
} // namespace base
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