From: Christos Zoulas <christos@zoulas.com>
Date: Mon, 18 Feb 2019 16:53:11 +0000 (+0000)
Subject: PR/59: magicus: Add java module and image magic.
X-Git-Tag: FILE5_36~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=264878fd9de442aec81a46bf014dd7690a90e483;p=file

PR/59: magicus: Add java module and image magic.
---

diff --git a/magic/Magdir/java b/magic/Magdir/java
index 18e82eaf..c375856c 100644
--- a/magic/Magdir/java
+++ b/magic/Magdir/java
@@ -1,6 +1,6 @@
 
 #------------------------------------------------------------
-# $File: java,v 1.19 2018/08/11 11:32:15 christos Exp $
+# $File: java,v 1.20 2019/02/18 16:53:11 christos Exp $
 # Java ByteCode and Mach-O binaries (e.g., Mac OS X) use the
 # same magic number, 0xcafebabe, so they are both handled
 # in the entry called "cafebabe".
@@ -25,3 +25,21 @@
 >0x12	byte		0
 >>0x11	ubyte-0x31	<2      Java HPROF dump,
 >>>0x17	beqdate/1000	x       created %s
+
+# Java jmod module
+# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/classes/jdk/internal/jmod/JmodFile.java
+# Grr. 2 byte magic "JM", really? In 2019?
+0	beshort		0x4a4d0100	Java jmod module version 1.0
+!:mime	application/x-java-jmod
+
+# Java jlinked image
+# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/native/libjimage/imageFile.hpp
+0	belong	0xcafedada	Java module image (big endian)
+>4	beshort	>0x00	\b, version %d
+>6	beshort	x	\b.%d
+!:mime	application/x-java-image
+
+0	lelong	0xcafedada	Java module image (little endian)
+>6	leshort	>0x00	\b, version %d
+>4	leshort	x	\b.%d
+!:mime	application/x-java-image