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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef _WIN32
#include "utils.h"
#define _CRT_SECURE_NO_WARNINGS 1
// Set to true to get some extra debug information
bool gIsDebug = false;
// Set to true to output errors to stderr (for a Console app)
// or to false to output using msg box (for a Windows UI app)
bool gIsConsole = false;
// Displays a message in an ok+info dialog box.
void msgBox(const char* text, ...) {
CString formatted;
va_list ap;
va_start(ap, text);
formatted.setv(text, ap);
va_end(ap);
MessageBoxA(NULL, formatted.cstr(), "Android SDK Manager", MB_OK | MB_ICONINFORMATION);
}
// Displays GetLastError prefixed with a description in an error dialog box
void displayLastError(const char *description, ...) {
CString formatted;
va_list ap;
va_start(ap, description);
formatted.setv(description, ap);
va_end(ap);
CString error;
error.setLastWin32Error(NULL);
formatted.add("\r\n");
formatted.add(error.cstr());
if (gIsConsole) {
fprintf(stderr, "%s\n", formatted.cstr());
} else {
MessageBox(NULL, formatted.cstr(), "Android SDK Manager - Error", MB_OK | MB_ICONERROR);
}
}
// Executes the command line. Does not wait for the program to finish.
// The return code is from CreateProcess (0 means failure), not the running app.
int execNoWait(const char *app, const char *params, const char *workDir) {
STARTUPINFO startup;
PROCESS_INFORMATION pinfo;
ZeroMemory(&pinfo, sizeof(pinfo));
ZeroMemory(&startup, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWDEFAULT;
int ret = CreateProcessA(
(LPSTR) app, /* program path */
(LPSTR) params, /* command-line */
NULL, /* process handle is not inheritable */
NULL, /* thread handle is not inheritable */
TRUE, /* yes, inherit some handles */
0, /* create flags */
NULL, /* use parent's environment block */
workDir, /* use parent's starting directory */
&startup, /* startup info, i.e. std handles */
&pinfo);
if (ret) {
CloseHandle(pinfo.hProcess);
CloseHandle(pinfo.hThread);
}
return ret;
}
// Executes command, waits for completion and returns exit code.
// As indicated in MSDN for CreateProcess, callers should double-quote the program name
// e.g. cmd="\"c:\program files\myapp.exe\" arg1 arg2";
int execWait(const char *cmd) {
STARTUPINFO startup;
PROCESS_INFORMATION pinfo;
ZeroMemory(&pinfo, sizeof(pinfo));
ZeroMemory(&startup, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_HIDE|SW_MINIMIZE;
int ret = CreateProcessA(
NULL, /* program path */
(LPSTR) cmd, /* command-line */
NULL, /* process handle is not inheritable */
NULL, /* thread handle is not inheritable */
TRUE, /* yes, inherit some handles */
CREATE_NO_WINDOW, /* we don't want a console */
NULL, /* use parent's environment block */
NULL, /* use parent's starting directory */
&startup, /* startup info, i.e. std handles */
&pinfo);
int result = -1;
if (ret) {
WaitForSingleObject(pinfo.hProcess, INFINITE);
DWORD exitCode;
if (GetExitCodeProcess(pinfo.hProcess, &exitCode)) {
// this should not return STILL_ACTIVE (259)
result = exitCode;
}
CloseHandle(pinfo.hProcess);
CloseHandle(pinfo.hThread);
}
return result;
}
bool getModuleDir(CPath *outDir) {
CHAR programDir[MAX_PATH];
int ret = GetModuleFileName(NULL, programDir, sizeof(programDir));
if (ret != 0) {
// Remove the last segment to keep only the directory.
int pos = ret - 1;
while (pos > 0 && programDir[pos] != '\\') {
--pos;
}
outDir->set(programDir, pos);
return true;
}
return false;
}
// Disables the FS redirection done by WOW64.
// Because this runs as a 32-bit app, Windows automagically remaps some
// folder under the hood (e.g. "Programs Files(x86)" is mapped as "Program Files").
// This prevents the app from correctly searching for java.exe in these folders.
// The registry is also remapped. This method disables this redirection.
// Caller should restore the redirection later by using revertWow64FsRedirection().
PVOID disableWow64FsRedirection() {
// The call we want to make is the following:
// PVOID oldWow64Value;
// Wow64DisableWow64FsRedirection(&oldWow64Value);
// However that method may not exist (e.g. on XP non-64 systems) so
// we must not call it directly.
PVOID oldWow64Value = 0;
HMODULE hmod = LoadLibrary("kernel32.dll");
if (hmod != NULL) {
FARPROC proc = GetProcAddress(hmod, "Wow64DisableWow64FsRedirection");
if (proc != NULL) {
typedef BOOL (WINAPI *disableWow64FuncType)(PVOID *);
disableWow64FuncType funcPtr = (disableWow64FuncType)proc;
funcPtr(&oldWow64Value);
}
FreeLibrary(hmod);
}
return oldWow64Value;
}
// Reverts the redirection disabled in disableWow64FsRedirection.
void revertWow64FsRedirection(PVOID oldWow64Value) {
// The call we want to make is the following:
// Wow64RevertWow64FsRedirection(oldWow64Value);
// However that method may not exist (e.g. on XP non-64 systems) so
// we must not call it directly.
HMODULE hmod = LoadLibrary("kernel32.dll");
if (hmod != NULL) {
FARPROC proc = GetProcAddress(hmod, "Wow64RevertWow64FsRedirection");
if (proc != NULL) {
typedef BOOL (WINAPI *revertWow64FuncType)(PVOID);
revertWow64FuncType funcPtr = (revertWow64FuncType)proc;
funcPtr(oldWow64Value);
}
FreeLibrary(hmod);
}
}
#endif /* _WIN32 */
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