62a42ec8ca
Bug: 162111908 Test: On linux/mac: HOSTNAME="" adb keygen mykey; cat mykey.pub # Also LOGNAME HOSTNAME="测试" adb keygen mykey; cat mykey.pub HOSTNAME="test" adb keygen mykey; cat mykey.pub Test: On Windows: set COMPUTERNAME=&& adb keygen mykey && powershell -command "get-content -encoding utf8 mykey.pub" # Also USERNAME set COMPUTERNAME=测试&& adb keygen mykey && powershell -command "get-content -encoding utf8 mykey.pub" set COMPUTERNAME=test&& adb keygen mykey && powershell -command "get-content -encoding utf8 mykey.pub" Change-Id: I62c952c511a620286aa4e05b1763361406e9f89a
122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "sysdeps/env.h"
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#ifdef _WIN32
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#include <lmcons.h>
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#include <windows.h>
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#endif // _WIN32
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#include <android-base/utf8.h>
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namespace adb {
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namespace sysdeps {
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std::optional<std::string> GetEnvironmentVariable(std::string_view var) {
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if (var.empty()) {
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return std::nullopt;
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}
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#ifdef _WIN32
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constexpr size_t kMaxEnvVarSize = 32767;
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wchar_t wbuf[kMaxEnvVarSize];
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std::wstring wvar;
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if (!android::base::UTF8ToWide(var.data(), &wvar)) {
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return std::nullopt;
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}
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auto sz = ::GetEnvironmentVariableW(wvar.data(), wbuf, sizeof(wbuf));
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if (sz == 0) {
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return std::nullopt;
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}
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std::string val;
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if (!android::base::WideToUTF8(wbuf, &val)) {
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return std::nullopt;
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}
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return std::make_optional(val);
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#else // !_WIN32
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const char* val = getenv(var.data());
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if (val == nullptr) {
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return std::nullopt;
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}
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return std::make_optional(std::string(val));
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#endif
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}
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#ifdef _WIN32
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constexpr char kHostNameEnvVar[] = "COMPUTERNAME";
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constexpr char kUserNameEnvVar[] = "USERNAME";
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#else
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constexpr char kHostNameEnvVar[] = "HOSTNAME";
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constexpr char kUserNameEnvVar[] = "LOGNAME";
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#endif
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std::string GetHostNameUTF8() {
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const auto hostName = GetEnvironmentVariable(kHostNameEnvVar);
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if (hostName && !hostName->empty()) {
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return *hostName;
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}
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#ifdef _WIN32
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wchar_t wbuf[MAX_COMPUTERNAME_LENGTH + 1];
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DWORD size = sizeof(wbuf);
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if (!GetComputerNameW(wbuf, &size) || size == 0) {
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return "";
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}
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std::string name;
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if (!android::base::WideToUTF8(wbuf, &name)) {
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return "";
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}
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return name;
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#else // !_WIN32
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char buf[256];
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return (gethostname(buf, sizeof(buf)) == -1) ? "" : buf;
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#endif // _WIN32
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}
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std::string GetLoginNameUTF8() {
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const auto userName = GetEnvironmentVariable(kUserNameEnvVar);
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if (userName && !userName->empty()) {
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return *userName;
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}
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#ifdef _WIN32
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wchar_t wbuf[UNLEN + 1];
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DWORD size = sizeof(wbuf);
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if (!GetUserNameW(wbuf, &size) || size == 0) {
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return "";
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}
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std::string login;
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if (!android::base::WideToUTF8(wbuf, &login)) {
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return "";
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}
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return login;
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#else // !_WIN32
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const char* login = getlogin();
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return login ? login : "";
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#endif // _WIN32
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}
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} // namespace sysdeps
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} // namespace adb
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