/*
Launch4j (http://launch4j.sourceforge.net/)
Cross-platform Java application wrapper for creating Windows native executables.
Copyright (c) 2004, 2014 Grzegorz Kowal,
Ian Roberts (jdk preference patch)
Sylvain Mina (single instance patch)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
Except as contained in this notice, the name(s) of the above copyright holders
shall not be used in advertising or otherwise to promote the sale, use or other
dealings in this Software without prior written authorization.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "resource.h"
#include "head.h"
HMODULE hModule;
FILE* hLog;
BOOL debugAll = FALSE;
BOOL console = FALSE;
BOOL wow64 = FALSE;
BOOL corruptedJreFound = FALSE;
int runtimeBits = INIT_RUNTIME_BITS;
int foundJava = NO_JAVA_FOUND;
struct _stat statBuf;
PROCESS_INFORMATION pi;
DWORD priority;
char mutexName[STR] = {0};
char errUrl[256] = {0};
char errTitle[STR] = "Launch4j";
char errMsg[BIG_STR] = {0};
char javaMinVer[STR] = {0};
char javaMaxVer[STR] = {0};
char foundJavaVer[STR] = {0};
char foundJavaKey[_MAX_PATH] = {0};
char foundJavaHome[_MAX_PATH] = {0};
char oldPwd[_MAX_PATH] = {0};
char workingDir[_MAX_PATH] = {0};
char cmd[_MAX_PATH] = {0};
char args[MAX_ARGS] = {0};
FILE* openLogFile(const char* exePath, const int pathLen) {
char path[_MAX_PATH] = {0};
strncpy(path, exePath, pathLen);
strcat(path, "\\launch4j.log");
return fopen(path, "a");
}
void closeLogFile() {
if (hLog != NULL) {
fclose(hLog);
}
}
void setWow64Flag() {
LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(
GetModuleHandle(TEXT("kernel32")), "IsWow64Process");
if (fnIsWow64Process != NULL) {
fnIsWow64Process(GetCurrentProcess(), &wow64);
}
debug("WOW64:\t\t%s\n", wow64 ? "yes" : "no");
}
void setConsoleFlag() {
console = TRUE;
}
void msgBox(const char* text) {
if (console) {
printf("%s: %s\n", errTitle, text);
} else {
MessageBox(NULL, text, errTitle, MB_OK);
}
}
void signalError() {
DWORD err = GetLastError();
debug("Error msg:\t%s\n", errMsg);
if (err) {
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
| FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR) &lpMsgBuf,
0,
NULL);
debug(ERROR_FORMAT, (LPCTSTR) lpMsgBuf);
strcat(errMsg, "\n\n");
strcat(errMsg, (LPCTSTR) lpMsgBuf);
LocalFree(lpMsgBuf);
}
msgBox(errMsg);
if (*errUrl) {
debug("Open URL:\t%s\n", errUrl);
ShellExecute(NULL, "open", errUrl, NULL, NULL, SW_SHOWNORMAL);
}
closeLogFile();
}
BOOL loadString(const int resID, char* buffer) {
HRSRC hResource;
HGLOBAL hResourceLoaded;
LPBYTE lpBuffer;
hResource = FindResourceEx(hModule, RT_RCDATA, MAKEINTRESOURCE(resID),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT));
if (NULL != hResource) {
hResourceLoaded = LoadResource(hModule, hResource);
if (NULL != hResourceLoaded) {
lpBuffer = (LPBYTE) LockResource(hResourceLoaded);
if (NULL != lpBuffer) {
int x = 0;
do {
buffer[x] = (char) lpBuffer[x];
} while (buffer[x++] != 0);
if (debugAll) {
debug("Resource %d:\t%s\n", resID, buffer);
}
return TRUE;
}
}
} else {
SetLastError(0);
buffer[0] = 0;
}
return FALSE;
}
BOOL loadBool(const int resID) {
char boolStr[20] = {0};
loadString(resID, boolStr);
return strcmp(boolStr, TRUE_STR) == 0;
}
int loadInt(const int resID) {
char intStr[20] = {0};
loadString(resID, intStr);
return atoi(intStr);
}
BOOL regQueryValue(const char* regPath, unsigned char* buffer,
unsigned long bufferLength) {
HKEY hRootKey;
char* key;
char* value;
if (strstr(regPath, HKEY_CLASSES_ROOT_STR) == regPath) {
hRootKey = HKEY_CLASSES_ROOT;
} else if (strstr(regPath, HKEY_CURRENT_USER_STR) == regPath) {
hRootKey = HKEY_CURRENT_USER;
} else if (strstr(regPath, HKEY_LOCAL_MACHINE_STR) == regPath) {
hRootKey = HKEY_LOCAL_MACHINE;
} else if (strstr(regPath, HKEY_USERS_STR) == regPath) {
hRootKey = HKEY_USERS;
} else if (strstr(regPath, HKEY_CURRENT_CONFIG_STR) == regPath) {
hRootKey = HKEY_CURRENT_CONFIG;
} else {
return FALSE;
}
key = strchr(regPath, '\\') + 1;
value = strrchr(regPath, '\\') + 1;
*(value - 1) = 0;
HKEY hKey;
unsigned long datatype;
BOOL result = FALSE;
if ((wow64 && RegOpenKeyEx(hRootKey,
key,
0,
KEY_READ | KEY_WOW64_64KEY,
&hKey) == ERROR_SUCCESS)
|| RegOpenKeyEx(hRootKey,
key,
0,
KEY_READ,
&hKey) == ERROR_SUCCESS) {
result = RegQueryValueEx(hKey, value, NULL, &datatype, buffer, &bufferLength)
== ERROR_SUCCESS;
RegCloseKey(hKey);
}
*(value - 1) = '\\';
return result;
}
void regSearch(const HKEY hKey, const char* keyName, const int searchType) {
DWORD x = 0;
unsigned long versionSize = _MAX_PATH;
FILETIME time;
char fullKeyName[_MAX_PATH] = {0};
char version[_MAX_PATH] = {0};
while (RegEnumKeyEx(
hKey, // handle to key to enumerate
x++, // index of subkey to enumerate
version, // address of buffer for subkey name
&versionSize, // address for size of subkey buffer
NULL, // reserved
NULL, // address of buffer for class string
NULL, // address for size of class buffer
&time) == ERROR_SUCCESS) {
strcpy(fullKeyName, keyName);
appendPath(fullKeyName, version);
debug("Check:\t\t%s\n", fullKeyName);
if (strcmp(version, javaMinVer) >= 0
&& (!*javaMaxVer || strcmp(version, javaMaxVer) <= 0)
&& strcmp(version, foundJavaVer) > 0
&& isJavaHomeValid(fullKeyName, searchType)) {
strcpy(foundJavaVer, version);
strcpy(foundJavaKey, fullKeyName);
foundJava = searchType;
debug("Match:\t\t%s\n", version);
} else {
debug("Ignore:\t\t%s\n", version);
}
versionSize = _MAX_PATH;
}
}
BOOL isJavaHomeValid(const char* keyName, const int searchType) {
BOOL valid = FALSE;
HKEY hKey;
char path[_MAX_PATH] = {0};
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
keyName,
0,
KEY_READ | (searchType & KEY_WOW64_64KEY),
&hKey) == ERROR_SUCCESS) {
unsigned char buffer[_MAX_PATH] = {0};
unsigned long bufferlength = _MAX_PATH;
unsigned long datatype;
if (RegQueryValueEx(hKey, "JavaHome", NULL, &datatype, buffer,
&bufferlength) == ERROR_SUCCESS) {
int i = 0;
do {
path[i] = buffer[i];
} while (path[i++] != 0);
if (searchType & FOUND_SDK) {
appendPath(path, "jre");
}
valid = isLauncherPathValid(path);
}
RegCloseKey(hKey);
}
if (valid) {
strcpy(foundJavaHome, path);
} else {
corruptedJreFound = TRUE;
}
return valid;
}
BOOL isLauncherPathValid(const char* path) {
char javaw[_MAX_PATH];
BOOL result = FALSE;
if (*path) {
strcpy(javaw, path);
appendJavaw(javaw);
result = _stat(javaw, &statBuf) == 0;
if (!result) {
// Don't display additional info in the error popup.
SetLastError(0);
}
}
debug("Check launcher:\t%s %s\n", javaw, result ? "(OK)" : "(not found)");
return result;
}
void regSearchWow(const char* keyName, const int searchType) {
HKEY hKey;
if (runtimeBits == INIT_RUNTIME_BITS) {
runtimeBits = loadInt(RUNTIME_BITS);
}
if ((runtimeBits & USE_64_BIT_RUNTIME) && wow64) {
debug("64-bit search:\t%s...\n", keyName);
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
keyName,
0,
KEY_READ | KEY_WOW64_64KEY,
&hKey) == ERROR_SUCCESS) {
regSearch(hKey, keyName, searchType | KEY_WOW64_64KEY);
RegCloseKey(hKey);
if ((foundJava & KEY_WOW64_64KEY) != NO_JAVA_FOUND) {
return;
}
}
}
if (runtimeBits & USE_32_BIT_RUNTIME) {
debug("32-bit search:\t%s...\n", keyName);
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
keyName,
0,
KEY_READ,
&hKey) == ERROR_SUCCESS) {
regSearch(hKey, keyName, searchType);
RegCloseKey(hKey);
}
}
}
void regSearchJreSdk(const char* jreKeyName, const char* sdkKeyName,
const int jdkPreference) {
if (jdkPreference == JDK_ONLY || jdkPreference == PREFER_JDK) {
regSearchWow(sdkKeyName, FOUND_SDK);
if (jdkPreference != JDK_ONLY) {
regSearchWow(jreKeyName, FOUND_JRE);
}
} else { // jdkPreference == JRE_ONLY or PREFER_JRE
regSearchWow(jreKeyName, FOUND_JRE);
if (jdkPreference != JRE_ONLY) {
regSearchWow(sdkKeyName, FOUND_SDK);
}
}
}
BOOL findJavaHome(char* path, const int jdkPreference) {
regSearchJreSdk("SOFTWARE\\JavaSoft\\Java Runtime Environment",
"SOFTWARE\\JavaSoft\\Java Development Kit",
jdkPreference);
if (foundJava == NO_JAVA_FOUND) {
regSearchJreSdk("SOFTWARE\\IBM\\Java2 Runtime Environment",
"SOFTWARE\\IBM\\Java Development Kit",
jdkPreference);
}
if (foundJava != NO_JAVA_FOUND) {
strcpy(path, foundJavaHome);
debug("Runtime used:\t%s (%s-bit)\n", foundJavaVer,
(foundJava & KEY_WOW64_64KEY) != NO_JAVA_FOUND ? "64" : "32");
return TRUE;
}
return FALSE;
}
/*
* Extract the executable name, returns path length.
*/
int getExePath(char* exePath) {
if (GetModuleFileName(hModule, exePath, _MAX_PATH) == 0) {
return -1;
}
return strrchr(exePath, '\\') - exePath;
}
void appendPath(char* basepath, const char* path) {
if (basepath[strlen(basepath) - 1] != '\\') {
strcat(basepath, "\\");
}
strcat(basepath, path);
}
void appendJavaw(char* jrePath) {
if (console) {
appendPath(jrePath, "bin\\java.exe");
} else {
appendPath(jrePath, "bin\\javaw.exe");
}
}
void appendAppClasspath(char* dst, const char* src) {
strcat(dst, src);
strcat(dst, ";");
}
/*
* Expand environment %variables%
*/
BOOL expandVars(char *dst, const char *src, const char *exePath, const int pathLen) {
char varName[STR];
char varValue[MAX_VAR_SIZE];
while (strlen(src) > 0) {
char *start = strchr(src, '%');
if (start != NULL) {
char *end = strchr(start + 1, '%');
if (end == NULL) {
return FALSE;
}
// Copy content up to %VAR%
strncat(dst, src, start - src);
// Insert value of %VAR%
*varName = 0;
strncat(varName, start + 1, end - start - 1);
// Remember value start for logging
char *currentVarValue = dst + strlen(dst);
if (strcmp(varName, "EXEDIR") == 0) {
strncat(dst, exePath, pathLen);
} else if (strcmp(varName, "EXEFILE") == 0) {
strcat(dst, exePath);
} else if (strcmp(varName, "PWD") == 0) {
GetCurrentDirectory(_MAX_PATH, dst + strlen(dst));
} else if (strcmp(varName, "OLDPWD") == 0) {
strcat(dst, oldPwd);
} else if (strstr(varName, HKEY_STR) == varName) {
regQueryValue(varName, dst + strlen(dst), BIG_STR);
} else if (GetEnvironmentVariable(varName, varValue, MAX_VAR_SIZE) > 0) {
strcat(dst, varValue);
}
debug("Substitute:\t%s = %s\n", varName, currentVarValue);
src = end + 1;
} else {
// Copy remaining content
strcat(dst, src);
break;
}
}
return TRUE;
}
void appendHeapSizes(char *dst) {
MEMORYSTATUSEX statex;
statex.dwLength = sizeof(statex);
GlobalMemoryStatusEx(&statex);
appendHeapSize(dst, INITIAL_HEAP_SIZE, INITIAL_HEAP_PERCENT,
statex.ullAvailPhys, "-Xms");
appendHeapSize(dst, MAX_HEAP_SIZE, MAX_HEAP_PERCENT,
statex.ullAvailPhys, "-Xmx");
}
void appendHeapSize(char *dst, const int megabytesID, const int percentID,
const DWORDLONG availableMemory, const char *option) {
const int mb = 1048576; // 1 MB
const int mbLimit32 = 1024; // Max heap size in MB on 32-bit JREs
const int megabytes = loadInt(megabytesID);
const int percent = loadInt(percentID);
const int availableMb = availableMemory * percent / (100 * mb); // 100% * 1 MB
int heapSizeMb = availableMb > megabytes ? availableMb : megabytes;
if (heapSizeMb > 0) {
if (!(foundJava & KEY_WOW64_64KEY) && heapSizeMb > mbLimit32) {
debug("Heap limit:\tReduced %d MB heap size to 32-bit maximum %d MB\n",
heapSizeMb, mbLimit32);
heapSizeMb = mbLimit32;
}
debug("Heap %s:\tRequested %d MB / %d%%, Available: %d MB, Heap size: %d MB\n",
option, megabytes, percent, (int)(availableMemory / mb), heapSizeMb);
strcat(dst, option);
_itoa(heapSizeMb, dst + strlen(dst), 10); // 10 -- radix
strcat(dst, "m ");
}
}
void setJvmOptions(char *jvmOptions, const char *exePath) {
if (loadString(JVM_OPTIONS, jvmOptions)) {
strcat(jvmOptions, " ");
}
/*
* Load additional JVM options from .l4j.ini file
* Options are separated by spaces or CRLF
* # starts an inline comment
*/
char iniFilePath[_MAX_PATH] = {0};
strncpy(iniFilePath, exePath, strlen(exePath) - 3);
strcat(iniFilePath, "l4j.ini");
long hFile;
if ((hFile = _open(iniFilePath, _O_RDONLY)) != -1) {
debug("Loading:\t%s\n", iniFilePath);
const int jvmOptLen = strlen(jvmOptions);
char* src = jvmOptions + jvmOptLen;
char* dst = src;
const int len = _read(hFile, src, MAX_ARGS - jvmOptLen - BIG_STR);
BOOL copy = TRUE;
int i;
for (i = 0; i < len; i++, src++) {
if (*src == '#') {
copy = FALSE;
} else if (*src == 13 || *src == 10) {
copy = TRUE;
if (dst > jvmOptions && *(dst - 1) != ' ') {
*dst++ = ' ';
}
} else if (copy) {
*dst++ = *src;
}
}
*dst = 0;
if (len > 0 && *(dst - 1) != ' ') {
strcat(jvmOptions, " ");
}
_close(hFile);
}
}
int prepare(const char *lpCmdLine) {
char tmp[MAX_ARGS] = {0};
hModule = GetModuleHandle(NULL);
if (hModule == NULL) {
return FALSE;
}
// Get executable path
char exePath[_MAX_PATH] = {0};
int pathLen = getExePath(exePath);
if (pathLen == -1) {
return FALSE;
}
// Initialize logging
if (strstr(lpCmdLine, "--l4j-debug") != NULL) {
hLog = openLogFile(exePath, pathLen);
if (hLog == NULL) {
return FALSE;
}
debugAll = strstr(lpCmdLine, "--l4j-debug-all") != NULL;
debug("\n\nVersion:\t%s\n", VERSION);
debug("CmdLine:\t%s %s\n", exePath, lpCmdLine);
}
setWow64Flag();
// Set default error message, title and optional support web site url.
loadString(SUPPORT_URL, errUrl);
loadString(ERR_TITLE, errTitle);
if (!loadString(STARTUP_ERR, errMsg)) {
debug(ERROR_FORMAT, "Startup error message not defined.");
return FALSE;
}
// Single instance
loadString(MUTEX_NAME, mutexName);
if (*mutexName) {
SECURITY_ATTRIBUTES security;
security.nLength = sizeof(SECURITY_ATTRIBUTES);
security.bInheritHandle = TRUE;
security.lpSecurityDescriptor = NULL;
CreateMutexA(&security, FALSE, mutexName);
if (GetLastError() == ERROR_ALREADY_EXISTS) {
debug(ERROR_FORMAT, "Instance already exists.");
return ERROR_ALREADY_EXISTS;
}
}
// Working dir
char tmp_path[_MAX_PATH] = {0};
GetCurrentDirectory(_MAX_PATH, oldPwd);
if (loadString(CHDIR, tmp_path)) {
strncpy(workingDir, exePath, pathLen);
appendPath(workingDir, tmp_path);
_chdir(workingDir);
debug("Working dir:\t%s\n", workingDir);
}
// Use bundled jre or find java
if (loadString(JRE_PATH, tmp_path)) {
char jrePath[MAX_ARGS] = {0};
expandVars(jrePath, tmp_path, exePath, pathLen);
debug("Bundled JRE:\t%s\n", jrePath);
if (jrePath[0] == '\\' || jrePath[1] == ':') {
// Absolute
strcpy(cmd, jrePath);
} else {
// Relative
strncpy(cmd, exePath, pathLen);
appendPath(cmd, jrePath);
}
if (isLauncherPathValid(cmd)) {
foundJava = (wow64 && loadBool(BUNDLED_JRE_64_BIT))
? FOUND_BUNDLED | KEY_WOW64_64KEY
: FOUND_BUNDLED;
}
}
if (foundJava == NO_JAVA_FOUND) {
if (!loadString(JAVA_MIN_VER, javaMinVer)) {
loadString(BUNDLED_JRE_ERR, errMsg);
return FALSE;
}
loadString(JAVA_MAX_VER, javaMaxVer);
if (!findJavaHome(cmd, loadInt(JDK_PREFERENCE))) {
loadString(JRE_VERSION_ERR, errMsg);
strcat(errMsg, " ");
strcat(errMsg, javaMinVer);
if (*javaMaxVer) {
strcat(errMsg, " - ");
strcat(errMsg, javaMaxVer);
}
if (runtimeBits == USE_64_BIT_RUNTIME
|| runtimeBits == USE_32_BIT_RUNTIME) {
strcat(errMsg, " (");
strcat(errMsg, runtimeBits == USE_64_BIT_RUNTIME ? "64" : "32");
strcat(errMsg, "-bit)");
}
if (corruptedJreFound) {
char launcherErrMsg[BIG_STR] = {0};
if (loadString(LAUNCHER_ERR, launcherErrMsg)) {
strcat(errMsg, "\n");
strcat(errMsg, launcherErrMsg);
}
}
loadString(DOWNLOAD_URL, errUrl);
return FALSE;
}
}
// Append a path to the Path environment variable
char jreBinPath[_MAX_PATH];
strcpy(jreBinPath, cmd);
strcat(jreBinPath, "\\bin");
if (!appendToPathVar(jreBinPath)) {
debug(ERROR_FORMAT, "appendToPathVar failed.");
return FALSE;
}
// Set environment variables
char envVars[MAX_VAR_SIZE] = {0};
loadString(ENV_VARIABLES, envVars);
char *var = strtok(envVars, "\t");
while (var != NULL) {
char *varValue = strchr(var, '=');
*varValue++ = 0;
*tmp = 0;
expandVars(tmp, varValue, exePath, pathLen);
debug("Set var:\t%s = %s\n", var, tmp);
SetEnvironmentVariable(var, tmp);
var = strtok(NULL, "\t");
}
*tmp = 0;
// Process priority
priority = loadInt(PRIORITY_CLASS);
// Launcher
appendJavaw(cmd);
// Heap sizes
appendHeapSizes(args);
// JVM options
char jvmOptions[MAX_ARGS] = {0};
setJvmOptions(jvmOptions, exePath);
// Expand environment %variables%
expandVars(args, jvmOptions, exePath, pathLen);
// MainClass + Classpath or Jar
char mainClass[STR] = {0};
char jar[_MAX_PATH] = {0};
const BOOL wrapper = loadBool(WRAPPER);
loadString(JAR, jar);
if (loadString(MAIN_CLASS, mainClass)) {
if (!loadString(CLASSPATH, tmp)) {
debug("Info:\t\tClasspath not defined.\n");
}
char exp[MAX_ARGS] = {0};
expandVars(exp, tmp, exePath, pathLen);
strcat(args, "-classpath \"");
if (wrapper) {
appendAppClasspath(args, exePath);
} else if (*jar) {
appendAppClasspath(args, jar);
}
// Deal with wildcards or >> strcat(args, exp); <<
char* cp = strtok(exp, ";");
while(cp != NULL) {
debug("Add classpath:\t%s\n", cp);
if (strpbrk(cp, "*?") != NULL) {
int len = strrchr(cp, '\\') - cp + 1;
strncpy(tmp_path, cp, len);
char* filename = tmp_path + len;
*filename = 0;
struct _finddata_t c_file;
long hFile;
if ((hFile = _findfirst(cp, &c_file)) != -1L) {
do {
strcpy(filename, c_file.name);
appendAppClasspath(args, tmp_path);
debug(" \" :\t%s\n", tmp_path);
} while (_findnext(hFile, &c_file) == 0);
}
_findclose(hFile);
} else {
appendAppClasspath(args, cp);
}
cp = strtok(NULL, ";");
}
*(args + strlen(args) - 1) = 0;
strcat(args, "\" ");
strcat(args, mainClass);
} else if (wrapper) {
strcat(args, "-jar \"");
strcat(args, exePath);
strcat(args, "\"");
} else {
strcat(args, "-jar \"");
strncat(args, exePath, pathLen);
appendPath(args, jar);
strcat(args, "\"");
}
// Constant command line args
if (loadString(CMD_LINE, tmp)) {
strcat(args, " ");
strcat(args, tmp);
}
// Command line args
if (*lpCmdLine) {
strcpy(tmp, lpCmdLine);
char* dst;
while ((dst = strstr(tmp, "--l4j-")) != NULL) {
char* src = strchr(dst, ' ');
if (src == NULL || *(src + 1) == 0) {
*dst = 0;
} else {
strcpy(dst, src + 1);
}
}
if (*tmp) {
strcat(args, " ");
strcat(args, tmp);
}
}
debug("Launcher:\t%s\n", cmd);
debug("Launcher args:\t%s\n", args);
debug("Args length:\t%d/32768 chars\n", strlen(args));
return TRUE;
}
void closeHandles() {
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
closeLogFile();
}
/*
* Append a path to the Path environment variable
*/
BOOL appendToPathVar(const char* path) {
char chBuf[MAX_VAR_SIZE] = {0};
const int pathSize = GetEnvironmentVariable("Path", chBuf, MAX_VAR_SIZE);
if (MAX_VAR_SIZE - pathSize - 1 < strlen(path)) {
return FALSE;
}
strcat(chBuf, ";");
strcat(chBuf, path);
return SetEnvironmentVariable("Path", chBuf);
}
DWORD execute(const BOOL wait) {
STARTUPINFO si;
memset(&pi, 0, sizeof(pi));
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
DWORD dwExitCode = -1;
char cmdline[MAX_ARGS];
strcpy(cmdline, "\"");
strcat(cmdline, cmd);
strcat(cmdline, "\" ");
strcat(cmdline, args);
if (CreateProcess(NULL, cmdline, NULL, NULL,
TRUE, priority, NULL, NULL, &si, &pi)) {
if (wait) {
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &dwExitCode);
debug("Exit code:\t%d\n", dwExitCode);
closeHandles();
} else {
dwExitCode = 0;
}
}
return dwExitCode;
}
