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Diffstat (limited to 'magic/Magdir/java')
| -rw-r--r-- | magic/Magdir/java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/magic/Magdir/java b/magic/Magdir/java new file mode 100644 index 0000000..d361275 --- /dev/null +++ b/magic/Magdir/java @@ -0,0 +1,52 @@ + +#------------------------------------------------------------ +# $File: java,v 1.22 2023/01/11 23:59:49 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". +#------------------------------------------------------------ +# Java serialization +# From Martin Pool (m.pool@pharos.com.au) +0 beshort 0xaced Java serialization data +>2 beshort >0x0004 \b, version %d + +0 belong 0xfeedfeed Java KeyStore +!:mime application/x-java-keystore +0 belong 0xcececece Java JCE KeyStore +!:mime application/x-java-jce-keystore + +# Java source +0 regex \^import.*;$ Java source +!:mime text/x-java + +# Java HPROF dumps +# https://java.net/downloads/heap-snapshot/hprof-binary-format.html +0 string JAVA\x20PROFILE\x201.0. +>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 belong 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 + +# JAR Manifest & Signature File +# Reference: https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html +0 string/t Manifest-Version:\x201.0 JAR Manifest +!:ext MF +0 string/t Signature-Version:\x201.0 JAR Signature File +!:ext SF |