Launcher/libLauncher/src/main/java/ru/gravit/utils/helper/EnvHelper.java

34 lines
955 B
Java
Raw Normal View History

2018-09-17 10:20:34 +03:00
package ru.gravit.utils.helper;
2018-09-17 10:07:32 +03:00
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.regex.Pattern;
public class EnvHelper {
2018-10-22 08:13:23 +03:00
public static final String[] toTest;
static {
toTest = new String[] { "_JAVA_OPTIONS", "_JAVA_OPTS", "JAVA_OPTS", "JAVA_OPTIONS" };
}
2018-09-17 10:07:32 +03:00
2018-10-22 08:13:23 +03:00
public static void addEnv(ProcessBuilder builder) {
Map<String, String> repl = builder.environment();
for (String str : toTest) {
repl.put(str, "");
repl.put(str.toLowerCase(Locale.US), "");
2018-10-22 08:13:23 +03:00
}
}
2018-09-17 10:07:32 +03:00
2018-10-22 08:13:23 +03:00
public static void checkDangerousParametrs() {
for (String t : toTest)
if (System.getenv(t) != null) {
String env = System.getenv(t).toLowerCase(Locale.US);
if (env.contains("-cp") || env.contains("-classpath") || env.contains("-javaagent")
|| env.contains("-agentpath") || env.contains("-agentlib"))
throw new SecurityException("JavaAgent in global optings not allow");
}
2018-10-22 08:13:23 +03:00
}
2018-09-17 10:07:32 +03:00
}