xref: /freebsd/contrib/file/magic/Magdir/java (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1
2#------------------------------------------------------------
3# $File: java,v 1.21 2019/02/18 17:58:50 christos Exp $
4# Java ByteCode and Mach-O binaries (e.g., Mac OS X) use the
5# same magic number, 0xcafebabe, so they are both handled
6# in the entry called "cafebabe".
7#------------------------------------------------------------
8# Java serialization
9# From Martin Pool (m.pool@pharos.com.au)
100	beshort		0xaced		Java serialization data
11>2	beshort		>0x0004		\b, version %d
12
130	belong		0xfeedfeed	Java KeyStore
14!:mime	application/x-java-keystore
150	belong		0xcececece	Java JCE KeyStore
16!:mime	application/x-java-jce-keystore
17
18# Java source
190	regex	\^import.*;$	Java source
20!:mime	text/x-java
21
22# Java HPROF dumps
23# https://java.net/downloads/heap-snapshot/hprof-binary-format.html
240	string		JAVA\x20PROFILE\x201.0.
25>0x12	byte		0
26>>0x11	ubyte-0x31	<2      Java HPROF dump,
27>>>0x17	beqdate/1000	x       created %s
28
29# Java jmod module
30# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/classes/jdk/internal/jmod/JmodFile.java
31# Grr. 2 byte magic "JM", really? In 2019?
320	belong		0x4a4d0100	Java jmod module version 1.0
33!:mime	application/x-java-jmod
34
35# Java jlinked image
36# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/native/libjimage/imageFile.hpp
370	belong	0xcafedada	Java module image (big endian)
38>4	beshort	>0x00	\b, version %d
39>6	beshort	x	\b.%d
40!:mime	application/x-java-image
41
420	lelong	0xcafedada	Java module image (little endian)
43>6	leshort	>0x00	\b, version %d
44>4	leshort	x	\b.%d
45!:mime	application/x-java-image
46