/*
* Find path to JRE based on .exe's location or registry settings.
*/
static jboolean
GetJREPath(char *path, jint pathsize)
{
char libjava[MAXPATHLEN];
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
sprintf(libjava, "%s/lib/%s/" JAVA_DLL, path, GetArch());
if (access(libjava, F_OK) == 0) {
goto found;
}
/* Does the app ship a private JRE in <apphome>/jre directory? */
sprintf(libjava, "%s/jre/lib/%s/" JAVA_DLL, path, GetArch());
if (access(libjava, F_OK) == 0) {
strcat(path, "/jre");
goto found;
}
}
fprintf(stderr, "Error: could not find " JAVA_DLL "\n");
return JNI_FALSE;
found:
if (debug)
printf("JRE path is %s\n", path);
return JNI_TRUE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
jboolean
GetJREPath(char *path, jint pathsize)
{
char javadll[MAXPATHLEN];
struct stat s;
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
sprintf(javadll, "%s\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
goto found;
}
/* Does this app ship a private JRE in <apphome>\jre directory? */
sprintf(javadll, "%s\\jre\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
strcat(path, "\\jre");
goto found;
}
}
/* Look for a public JRE on this machine. */
if (GetPublicJREHome(path, pathsize)) {
goto found;
}
fprintf(stderr, "Error: could not find " JAVA_DLL "\n");
return JNI_FALSE;
found:
if (_launcher_debug)
printf("JRE path is %s\n", path);
return JNI_TRUE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
static jboolean
GetJREPath(char *path, jint pathsize, const char * arch, jboolean speculative)
{
char libjava[MAXPATHLEN];
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/lib/%s/" JAVA_DLL, path, arch);
if (access(libjava, F_OK) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
/* Does the app ship a private JRE in <apphome>/jre directory? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/jre/lib/%s/" JAVA_DLL, path, arch);
if (access(libjava, F_OK) == 0) {
JLI_StrCat(path, "/jre");
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
if (!speculative)
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
jboolean
GetJREPath(char *path, jint pathsize)
{
char javadll[MAXPATHLEN];
struct stat s;
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
JLI_Snprintf(javadll, sizeof(javadll), "%s\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
/* Does this app ship a private JRE in <apphome>\jre directory? */
JLI_Snprintf(javadll, sizeof (javadll), "%s\\jre\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
JLI_StrCat(path, "\\jre");
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
/* Look for a public JRE on this machine. */
if (GetPublicJREHome(path, pathsize)) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
}
jboolean
GetJREPath(char *path, jint pathsize)
{
char javadll[MAXPATHLEN];
struct stat s;
if (GetApplicationHome(path, pathsize)) {
// Is JRE co-located with the application?
sprintf_s(javadll, sizeof javadll, "%s\\bin\\"JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
goto found;
}
// Does this app ship a private JRE in <apphome>\jre directory?
sprintf_s(javadll, sizeof javadll, "%s\\jre\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
strcat_s(path, pathsize, "\\jre");
goto found;
}
}
// Look for a public JRE on this machine.
if (GetPublicJREHome(path, pathsize)) {
goto found;
}
return JNI_FALSE;
found:
return JNI_TRUE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
static jboolean
GetJREPath(char *path, jint pathsize, const char * arch, jboolean speculative)
{
char libjava[MAXPATHLEN];
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/lib/" JAVA_DLL, path);
if (access(libjava, F_OK) == 0) {
return JNI_TRUE;
}
/* ensure storage for path + /jre + NULL */
if ((JLI_StrLen(path) + 4 + 1) > pathsize) {
JLI_TraceLauncher("Insufficient space to store JRE path\n");
return JNI_FALSE;
}
/* Does the app ship a private JRE in <apphome>/jre directory? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/jre/lib/" JAVA_DLL, path);
if (access(libjava, F_OK) == 0) {
JLI_StrCat(path, "/jre");
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
/* try to find ourselves instead */
Dl_info selfInfo;
dladdr(&GetJREPath, &selfInfo);
char *realPathToSelf = realpath(selfInfo.dli_fname, path);
if (realPathToSelf != path) {
return JNI_FALSE;
}
size_t pathLen = strlen(realPathToSelf);
if (pathLen == 0) {
return JNI_FALSE;
}
const char lastPathComponent[] = "/lib/jli/libjli.dylib";
size_t sizeOfLastPathComponent = sizeof(lastPathComponent) - 1;
if (pathLen < sizeOfLastPathComponent) {
return JNI_FALSE;
}
size_t indexOfLastPathComponent = pathLen - sizeOfLastPathComponent;
if (0 == strncmp(realPathToSelf + indexOfLastPathComponent, lastPathComponent, sizeOfLastPathComponent - 1)) {
realPathToSelf[indexOfLastPathComponent + 1] = '\0';
return JNI_TRUE;
}
if (!speculative)
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
jboolean
GetJREPath(char *path, jint pathsize)
{
char javadll[MAXPATHLEN];
struct stat s;
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
JLI_Snprintf(javadll, sizeof(javadll), "%s\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
/* ensure storage for path + \jre + NULL */
if ((JLI_StrLen(path) + 4 + 1) > (size_t) pathsize) {
JLI_TraceLauncher("Insufficient space to store JRE path\n");
return JNI_FALSE;
}
/* Does this app ship a private JRE in <apphome>\jre directory? */
JLI_Snprintf(javadll, sizeof (javadll), "%s\\jre\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
JLI_StrCat(path, "\\jre");
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
/* Try getting path to JRE from path to JLI.DLL */
if (GetApplicationHomeFromDll(path, pathsize)) {
JLI_Snprintf(javadll, sizeof(javadll), "%s\\bin\\" JAVA_DLL, path);
if (stat(javadll, &s) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
#ifdef USE_REGISTRY_LOOKUP
/* Lookup public JRE using Windows registry. */
if (GetPublicJREHome(path, pathsize)) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
#endif
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
}
/*
* For our tools, we try to add 3 VM options:
* -Denv.class.path=<envcp>
* -Dapplication.home=<apphome>
* -Djava.class.path=<appcp>
* <envcp> is the user's setting of CLASSPATH -- for instance the user
* tells javac where to find binary classes through this environment
* variable. Notice that users will be able to compile against our
* tools classes (sun.tools.javac.Main) only if they explicitly add
* tools.jar to CLASSPATH.
* <apphome> is the directory where the application is installed.
* <appcp> is the classpath to where our apps' classfiles are.
*/
static jboolean
AddApplicationOptions()
{
const int NUM_APP_CLASSPATH = (sizeof(app_classpath) / sizeof(char *));
char *s, *envcp, *appcp, *apphome;
char home[MAXPATHLEN]; /* application home */
char separator[] = { PATH_SEPARATOR, '\0' };
int size, i;
int strlenHome;
s = getenv("CLASSPATH");
if (s) {
/* 40 for -Denv.class.path= */
envcp = (char *)MemAlloc(strlen(s) + 40);
sprintf(envcp, "-Denv.class.path=%s", s);
AddOption(envcp, NULL);
}
if (!GetApplicationHome(home, sizeof(home))) {
ReportErrorMessage("Can't determine application home", JNI_TRUE);
return JNI_FALSE;
}
/* 40 for '-Dapplication.home=' */
apphome = (char *)MemAlloc(strlen(home) + 40);
sprintf(apphome, "-Dapplication.home=%s", home);
AddOption(apphome, NULL);
/* How big is the application's classpath? */
size = 40; /* 40: "-Djava.class.path=" */
strlenHome = (int)strlen(home);
for (i = 0; i < NUM_APP_CLASSPATH; i++) {
size += strlenHome + (int)strlen(app_classpath[i]) + 1; /* 1: separator */
}
appcp = (char *)MemAlloc(size + 1);
strcpy(appcp, "-Djava.class.path=");
for (i = 0; i < NUM_APP_CLASSPATH; i++) {
strcat(appcp, home); /* c:\program files\myapp */
strcat(appcp, app_classpath[i]); /* \lib\myapp.jar */
strcat(appcp, separator); /* ; */
}
appcp[strlen(appcp)-1] = '\0'; /* remove trailing path separator */
AddOption(appcp, NULL);
return JNI_TRUE;
}
/*
* Find path to JRE based on .exe's location or registry settings.
*/
static jboolean
GetJREPath(char *path, jint pathsize, const char * arch, jboolean speculative)
{
char libjava[MAXPATHLEN];
struct stat s;
if (GetApplicationHome(path, pathsize)) {
/* Is JRE co-located with the application? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/lib/%s/" JAVA_DLL, path, arch);
if (access(libjava, F_OK) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
/* ensure storage for path + /jre + NULL */
if ((JLI_StrLen(path) + 4 + 1) > (size_t) pathsize) {
JLI_TraceLauncher("Insufficient space to store JRE path\n");
return JNI_FALSE;
}
/* Does the app ship a private JRE in <apphome>/jre directory? */
JLI_Snprintf(libjava, sizeof(libjava), "%s/jre/lib/%s/" JAVA_DLL, path, arch);
if (access(libjava, F_OK) == 0) {
JLI_StrCat(path, "/jre");
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
if (GetApplicationHomeFromDll(path, pathsize)) {
JLI_Snprintf(libjava, sizeof(libjava), "%s/lib/%s/" JAVA_DLL, path, arch);
if (stat(libjava, &s) == 0) {
JLI_TraceLauncher("JRE path is %s\n", path);
return JNI_TRUE;
}
}
if (!speculative)
JLI_ReportErrorMessage(JRE_ERROR8 JAVA_DLL);
return JNI_FALSE;
}