From: Jay Freeman (saurik) <saurik@saurik.com>
Date: Wed, 6 Nov 2013 23:23:04 +0000 (-0800)
Subject: Add support for protecting against bug #10227498.
X-Git-Tag: v0.9.7^0
X-Git-Url: https://git.saurik.com/backport.git/commitdiff_plain/HEAD

Add support for protecting against bug #10227498.
---

diff --git a/src/com/saurik/backport/Hook.java b/src/com/saurik/backport/Hook.java
index ae62a81..8dab649 100644
--- a/src/com/saurik/backport/Hook.java
+++ b/src/com/saurik/backport/Hook.java
@@ -108,6 +108,21 @@ public class Hook {
     }
 
     private static void fixZipFile$getInputStream() {
+        final Field ZipEntry$compressedSize = scanField(ZipEntry.class, "compressedSize");
+        if (ZipEntry$compressedSize == null)
+            return;
+        ZipEntry$compressedSize.setAccessible(true);
+
+        final Field ZipEntry$compressionMethod = scanField(ZipEntry.class, "compressionMethod");
+        if (ZipEntry$compressionMethod == null)
+            return;
+        ZipEntry$compressionMethod.setAccessible(true);
+
+        final Field ZipEntry$size = scanField(ZipEntry.class, "size");
+        if (ZipEntry$size == null)
+            return;
+        ZipEntry$size.setAccessible(true);
+
         final Field ZipEntry$nameLen = scanField(ZipEntry.class, "nameLen", "nameLength");
         if (ZipEntry$nameLen == null)
             return;
@@ -152,6 +167,10 @@ public class Hook {
                             throw new ZipException("bug #9695860 [" + thiz.getName() + "]");
                     }
 
+                    if (ZipEntry$compressionMethod.getInt(entry) == ZipEntry.STORED)
+                        if (ZipEntry$compressedSize.getLong(entry) != ZipEntry$size.getLong(entry))
+                            throw new ZipException("bug #10227498 [" + thiz.getName() + "]");
+
                     return invoke(thiz, args);
                 }
             }