235 lines
8.4 KiB
C
235 lines
8.4 KiB
C
#include <dirent.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <dlfcn.h>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <spawn.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
#include "jni.h"
|
|
#include "log.h"
|
|
#include "utils.h"
|
|
#include "JavaLauncher.h"
|
|
|
|
// PojavLancher: fixme: are these wrong?
|
|
#define FULL_VERSION "1.16.0-internal"
|
|
#define DOT_VERSION "1.16"
|
|
|
|
static const char *java_libs_dir = "/Applications/PojavLauncher.app/libs";
|
|
static const char *args_path = "/var/mobile/Documents/.pojavlauncher/overrideargs.txt";
|
|
static const char *log_path = "/var/mobile/Documents/minecraft/latestlog.txt";
|
|
|
|
extern char **environ;
|
|
|
|
static const char* const_progname = "java";
|
|
static const char* const_launcher = "openjdk";
|
|
static const char** const_jargs = NULL;
|
|
static const char** const_appclasspath = NULL;
|
|
static const jboolean const_javaw = JNI_FALSE;
|
|
static const jboolean const_cpwildcard = JNI_TRUE;
|
|
static const jint const_ergo_class = 0; // DEFAULT_POLICY
|
|
|
|
typedef jint JLI_Launch_func(int argc, char ** argv, /* main argc, argc */
|
|
int jargc, const char** jargv, /* java args */
|
|
int appclassc, const char** appclassv, /* app classpath */
|
|
const char* fullversion, /* full version defined */
|
|
const char* dotversion, /* dot version defined */
|
|
const char* pname, /* program name */
|
|
const char* lname, /* launcher name */
|
|
jboolean javaargs, /* JAVA_ARGS */
|
|
jboolean cpwildcard, /* classpath wildcard*/
|
|
jboolean javaw, /* windows-only javaw */
|
|
jint ergo /* ergonomics class policy */
|
|
);
|
|
|
|
static int margc = 0;
|
|
static char* margv[1000];
|
|
|
|
void init_loadCustomEnv() {
|
|
FILE *envFile = fopen("/var/mobile/Documents/.pojavlauncher/custom_env.txt", "r");
|
|
|
|
debug("[Pre-init] Reading custom environment variables (custom_env.txt), opened=%d\n", envFile != NULL);
|
|
|
|
if (envFile) {
|
|
char *line = NULL;
|
|
size_t len = 0;
|
|
ssize_t read;
|
|
while ((read = getline(&line, &len, envFile)) != -1) {
|
|
if (read == 0 || line[0] == '#') return;
|
|
if (strchr(line, '=') != NULL) {
|
|
debug("[Pre-init] Added custom env: %s", line);
|
|
setenv(strtok(line, "="), strtok(NULL, "="), 1);
|
|
} else {
|
|
debug("[Pre-init] Warning: skipped empty value custom env: %s", line);
|
|
}
|
|
}
|
|
fclose(envFile);
|
|
}
|
|
}
|
|
|
|
void init_loadCustomJvmFlags() {
|
|
char jvmargs[10000];
|
|
FILE* argsFile = fopen(args_path, "r");
|
|
debug("[Pre-init] Reading custom JVM args (overrideargs.txt), opened=%d\n", argsFile != NULL);
|
|
if (argsFile) {
|
|
if (!fgets(jvmargs, 10000, argsFile)) {
|
|
debug("[Pre-init] Warning: could not read overrideargs.txt");
|
|
fclose(argsFile);
|
|
return;
|
|
}
|
|
char *pch;
|
|
pch = strtok(jvmargs, " ");
|
|
while (pch != NULL) {
|
|
margv[margc] = (char*)malloc((strlen(pch)+1) * sizeof(char));
|
|
strcpy(margv[margc], pch);
|
|
debug("[Pre-init] Added custom flag: %s", margv[margc]);
|
|
pch = strtok(NULL, " ");
|
|
++margc;
|
|
}
|
|
fclose(argsFile);
|
|
}
|
|
}
|
|
|
|
int launchJVM(int argc, char *argv[]) {
|
|
if (!started) {
|
|
debug("[Pre-init] Staring logging STDIO as jrelog:V\n");
|
|
// Redirect stdio to latestlog.txt
|
|
FILE* logFile = fopen(log_path, "w");
|
|
int log_fd = fileno(logFile);
|
|
dup2(log_fd, 1);
|
|
dup2(log_fd, 2);
|
|
close(log_fd);
|
|
}
|
|
|
|
/* iOS jetsam memory bypass. This is going to launch with the JVM so it fires correctly.
|
|
* To prevent centering PojavLauncher around my repository, this is completely optional.
|
|
* When I release my revised version of jetsamctl, I'll update this section.
|
|
*/
|
|
if( access("/usr/bin/jetsamctl", F_OK ) == 0 ) {
|
|
debug("[Pre-init] jetsamctl was found. Overriding memory limits.");
|
|
pid_t pid;
|
|
char *argv[] = {
|
|
"/usr/bin/sudo",
|
|
"/usr/bin/jetsamctl",
|
|
"-l",
|
|
"$(awk -v MEM=$(sysctl -a | grep memsize | cut -b 13-26) 'BEGIN { print ( MEM / 1024 / 1024 ) }' | cut -b 1-4)",
|
|
"PojavLauncher",
|
|
NULL
|
|
};
|
|
|
|
posix_spawn(&pid, argv[0], NULL, NULL, argv, environ);
|
|
debug("[Pre-init] jetsamctl finished successfully.");
|
|
} else {
|
|
debug("[Pre-Init] jetsamctl was not found. If you wish to prevent jetsam-related crashes, get jetsamctl.");
|
|
}
|
|
|
|
debug("[Pre-init] Beginning JVM launch\n");
|
|
// setenv("LIBGL_FB", "2", 1);
|
|
setenv("LIBGL_MIPMAP", "3", 1);
|
|
setenv("LIBGL_NORMALIZE", "1", 1);
|
|
|
|
init_loadCustomEnv();
|
|
|
|
mkdir("/var/mobile/Documents/.pojavlauncher/controlmap", S_IRWXU | S_IRWXG | S_IRWXO);
|
|
chdir("/var/mobile/Documents/minecraft");
|
|
|
|
char classpath[10000];
|
|
|
|
// "/Applications/PojavLauncher.app/libs/launcher.jar:/Applications/PojavLauncher.app/libs/ExagearApacheCommons.jar:/Applications/PojavLauncher.app/libs/gson-2.8.6.jar:/Applications/PojavLauncher.app/libs/jsr305.jar:/Applications/PojavLauncher.app/libs/lwjgl3-minecraft.jar";
|
|
|
|
// Generate classpath
|
|
DIR *d;
|
|
struct dirent *dir;
|
|
d = opendir(java_libs_dir);
|
|
int cplen = 0;
|
|
if (d) {
|
|
// cplen += sprintf(classpath + cplen, "-Xbootclasspath/a:");
|
|
while ((dir = readdir(d)) != NULL) {
|
|
cplen += sprintf(classpath + cplen, "%s/%s:", java_libs_dir, dir->d_name);
|
|
}
|
|
closedir(d);
|
|
}
|
|
debug("[Pre-init] Classpath generated: %s", classpath);
|
|
|
|
// Check if JVM restarts
|
|
if (!started) {
|
|
margv[margc++] = "/usr/lib/jvm/java-16-openjdk/bin/java";
|
|
margv[margc++] = "-XstartOnFirstThread";
|
|
margv[margc++] = "-Djava.system.class.loader=net.kdt.pojavlaunch.PojavClassLoader";
|
|
margv[margc++] = "-Djava.library.path=/Applications/PojavLauncher.app/Frameworks";
|
|
margv[margc++] = "-Duser.dir=/var/mobile/Documents/minecraft";
|
|
margv[margc++] = "-Duser.home=/var/mobile/Documents";
|
|
margv[margc++] = "-Dorg.lwjgl.opengl.libname=libgl4es_114.dylib";
|
|
margv[margc++] = "-Dorg.lwjgl.system.allocator=system";
|
|
|
|
init_loadCustomJvmFlags();
|
|
|
|
margv[margc++] = "-cp";
|
|
margv[margc++] = classpath;
|
|
margv[margc++] = "net.kdt.pojavlaunch.PLaunchApp";
|
|
|
|
for (int i = 0; i < argc; i++) {
|
|
margv[margc++] = argv[i];
|
|
}
|
|
} else {
|
|
// Locate gl4es library name:
|
|
// Reverse the loop, since it is overridable.
|
|
/*
|
|
char* opengl_prefix = "-Dorg.lwjgl.opengl.libname=";
|
|
for (int i = argc - 1; i >= 0; i--) {
|
|
if (strncmp(opengl_prefix, argv[i], strlen(opengl_prefix)) == 0) {
|
|
strtok(argv[i], "=");
|
|
setenv("POJAV_OPENGL_LIBNAME", strtok(NULL, "="), 1);
|
|
break;
|
|
}
|
|
}
|
|
*/
|
|
setenv("POJAV_OPENGL_LIBNAME", "libgl4es_114.dylib", 1);
|
|
|
|
debug("[Pre-init] OpenGL library name: %s", getenv("POJAV_OPENGL_LIBNAME"));
|
|
}
|
|
|
|
// Load java
|
|
void* libjli = dlopen("/usr/lib/jvm/java-16-openjdk/lib/libjli.dylib", RTLD_LAZY | RTLD_GLOBAL);
|
|
|
|
if (NULL == libjli) {
|
|
debug("[Init] JLI lib = NULL: %s", dlerror());
|
|
return -1;
|
|
}
|
|
debug("[Init] Found JLI lib");
|
|
|
|
JLI_Launch_func *pJLI_Launch =
|
|
(JLI_Launch_func *)dlsym(libjli, "JLI_Launch");
|
|
|
|
if (NULL == pJLI_Launch) {
|
|
debug("[Init] JLI_Launch = NULL");
|
|
return -2;
|
|
}
|
|
|
|
debug("[Init] Calling JLI_Launch");
|
|
|
|
int targc = started ? argc : margc;
|
|
char **targv = started ? argv : margv;
|
|
|
|
if (!started) {
|
|
started = true;
|
|
}
|
|
/* debug:
|
|
for (int i = 0; i < targc; i++) {
|
|
debug("Arg=%s", targv[i]);
|
|
}
|
|
*/
|
|
return pJLI_Launch(targc, targv,
|
|
0, NULL, // sizeof(const_jargs) / sizeof(char *), const_jargs,
|
|
0, NULL, // sizeof(const_appclasspath) / sizeof(char *), const_appclasspath,
|
|
FULL_VERSION,
|
|
DOT_VERSION,
|
|
const_progname, // (const_progname != NULL) ? const_progname : *margv,
|
|
const_launcher, // (const_launcher != NULL) ? const_launcher : *margv,
|
|
(const_jargs != NULL) ? JNI_TRUE : JNI_FALSE,
|
|
const_cpwildcard, const_javaw, const_ergo_class);
|
|
}
|