BOOL isJrePathOk(const char* path) {
if (!*path) {
return FALSE;
}
char javaw[_MAX_PATH];
strcpy(javaw, path);
appendJavaw(javaw);
return _stat(javaw, &statBuf) == 0;
}
BOOL isJrePathOk(const char* path) {
char javaw[_MAX_PATH];
BOOL result = FALSE;
if (*path) {
strcpy(javaw, path);
appendJavaw(javaw);
result = _stat(javaw, &statBuf) == 0;
}
debug("Check launcher:\t%s %s\n", javaw, result ? "(OK)" : "(n/a)");
return result;
}
BOOL isLauncherPathValid(const char* path)
{
char javaw[_MAX_PATH] = {0};
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 appendLauncher(const BOOL setProcName, char* exePath,
const int pathLen, char* cmd) {
if (setProcName) {
char tmpspec[_MAX_PATH];
char tmpfile[_MAX_PATH];
strcpy(tmpspec, cmd);
strcat(tmpspec, LAUNCH4J_TMP_DIR);
tmpspec[strlen(tmpspec) - 1] = 0;
if (_stat(tmpspec, &statBuf) == 0) {
// Remove temp launchers and manifests
struct _finddata_t c_file;
long hFile;
appendPath(tmpspec, "*.exe");
strcpy(tmpfile, cmd);
strcat(tmpfile, LAUNCH4J_TMP_DIR);
char* filename = tmpfile + strlen(tmpfile);
if ((hFile = _findfirst(tmpspec, &c_file)) != -1L) {
do {
strcpy(filename, c_file.name);
debug("Unlink:\t\t%s\n", tmpfile);
_unlink(tmpfile);
strcat(tmpfile, MANIFEST);
debug("Unlink:\t\t%s\n", tmpfile);
_unlink(tmpfile);
} while (_findnext(hFile, &c_file) == 0);
}
_findclose(hFile);
} else {
if (_mkdir(tmpspec) != 0) {
debug("Mkdir failed:\t%s\n", tmpspec);
appendJavaw(cmd);
return;
}
}
char javaw[_MAX_PATH];
strcpy(javaw, cmd);
appendJavaw(javaw);
strcpy(tmpfile, cmd);
strcat(tmpfile, LAUNCH4J_TMP_DIR);
char* tmpfilename = tmpfile + strlen(tmpfile);
char* exeFilePart = exePath + pathLen + 1;
// Copy manifest
char manifest[_MAX_PATH] = {0};
strcpy(manifest, exePath);
strcat(manifest, MANIFEST);
if (_stat(manifest, &statBuf) == 0) {
strcat(tmpfile, exeFilePart);
strcat(tmpfile, MANIFEST);
debug("Copy:\t\t%s -> %s\n", manifest, tmpfile);
CopyFile(manifest, tmpfile, FALSE);
}
// Copy launcher
strcpy(tmpfilename, exeFilePart);
debug("Copy:\t\t%s -> %s\n", javaw, tmpfile);
if (CopyFile(javaw, tmpfile, FALSE)) {
strcpy(cmd, tmpfile);
return;
} else if (_stat(javaw, &statBuf) == 0) {
long fs = statBuf.st_size;
if (_stat(tmpfile, &statBuf) == 0 && fs == statBuf.st_size) {
debug("Reusing:\t\t%s\n", tmpfile);
strcpy(cmd, tmpfile);
return;
}
}
}
appendJavaw(cmd);
}
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;
}
if (!initializeLogging(lpCmdLine, exePath, pathLen))
{
return FALSE;
}
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;
}
}
// Store the JRE Home Dir
strcpy(jreHomeDir, cmd);
// Append a path to the Path environment variable
char jreBinPath[_MAX_PATH] = {0};
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;
}
