[libbluray-devel] BJSecurityManager: re-implement deprecated classDepth()

[hpi1]

libbluray | branch: master | hpi1 <hpi1 at anonymous.org> | Thu Sep 13 15:06:46 2018 +0300| [de3028113507c76ec97cacb4de82599b58dd38ec] | committer: hpi1

BJSecurityManager: re-implement deprecated classDepth()

> http://git.videolan.org/gitweb.cgi/libbluray.git/?a=commit;h=de3028113507c76ec97cacb4de82599b58dd38ec
---

 .../bdj/java/org/videolan/BDJSecurityManager.java      | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/libbluray/bdj/java/org/videolan/BDJSecurityManager.java b/src/libbluray/bdj/java/org/videolan/BDJSecurityManager.java
index 76755602..9a5a3793 100644
--- a/src/libbluray/bdj/java/org/videolan/BDJSecurityManager.java
+++ b/src/libbluray/bdj/java/org/videolan/BDJSecurityManager.java
@@ -68,6 +68,18 @@ final class BDJSecurityManager extends SecurityManager {
      *
      */
 
+    private int classDepth0(String name) {
+        StackTraceElement e[] = new Exception("Stack trace").getStackTrace();
+        if (e != null && e.length > 1) {
+            for (int i = 1; i < e.length; i++) {
+                if (e[i].getClassName().equals(name)) {
+                    return i - 1;
+                }
+            }
+        }
+        return -1;
+    }
+
     private void deny(Permission perm) {
         logger.error("denied " + perm + "\n" + Logger.dumpStack());
         throw new SecurityException("denied " + perm);
@@ -78,14 +90,14 @@ final class BDJSecurityManager extends SecurityManager {
             if (perm.implies(new RuntimePermission("createSecurityManager"))) {
 
                 // allow initializing of javax.crypto.JceSecurityManager
-                if (classDepth("javax.crypto.JceSecurityManager") < 3) {
+                if (classDepth0("javax.crypto.JceSecurityManager") < 3) {
                     return;
                 }
 
                 deny(perm);
             }
             if (perm.implies(new RuntimePermission("setSecurityManager"))) {
-                if (classDepth("org.videolan.Libbluray") == 3) {
+                if (classDepth0("org.videolan.Libbluray") == 3) {
                     return;
                 }
                 deny(perm);
@@ -94,7 +106,7 @@ final class BDJSecurityManager extends SecurityManager {
             // work around bug in openjdk 7 / 8
             // sun.awt.AWTAutoShutdown.notifyThreadBusy is missing doPrivileged()
             // (fixed in jdk9 / http://hg.openjdk.java.net/jdk9/client/jdk/rev/5b613a3c04be )
-            if (classDepth("sun.awt.AWTAutoShutdown") > 0) {
+            if (classDepth0("sun.awt.AWTAutoShutdown") > 0) {
                 return;
             }