xref: /freebsd-src/contrib/file/magic/Magdir/vms (revision c2c014f24c10f90d85126ac5fbd4d8524de32b1c)
1b6cee71dSXin LI
2b6cee71dSXin LI#------------------------------------------------------------------------------
3*40427ccaSGordon Tetlow# $File: vms,v 1.10 2017/03/17 21:35:28 christos Exp $
4b6cee71dSXin LI# vms:  file(1) magic for VMS executables (experimental)
5b6cee71dSXin LI#
6b6cee71dSXin LI# VMS .exe formats, both VAX and AXP (Greg Roelofs, newt@uchicago.edu)
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8b6cee71dSXin LI# GRR 950122:  I'm just guessing on these, based on inspection of the headers
9b6cee71dSXin LI# of three executables each for Alpha and VAX architectures.  The VAX files
10b6cee71dSXin LI# all had headers similar to this:
11b6cee71dSXin LI#
12b6cee71dSXin LI#   00000  b0 00 30 00 44 00 60 00  00 00 00 00 30 32 30 35  ..0.D.`.....0205
13b6cee71dSXin LI#   00010  01 01 00 00 ff ff ff ff  ff ff ff ff 00 00 00 00  ................
14b6cee71dSXin LI#
15b6cee71dSXin LI0	string	\xb0\0\x30\0	VMS VAX executable
16b6cee71dSXin LI>44032	string	PK\003\004	\b, Info-ZIP SFX archive v5.12 w/decryption
17b6cee71dSXin LI#
18b6cee71dSXin LI# The AXP files all looked like this, except that the byte at offset 0x22
19b6cee71dSXin LI# was 06 in some of them and 07 in others:
20b6cee71dSXin LI#
21b6cee71dSXin LI#   00000  03 00 00 00 00 00 00 00  ec 02 00 00 10 01 00 00  ................
22b6cee71dSXin LI#   00010  68 00 00 00 98 00 00 00  b8 00 00 00 00 00 00 00  h...............
23b6cee71dSXin LI#   00020  00 00 07 00 00 00 00 00  00 00 00 00 00 00 00 00  ................
24b6cee71dSXin LI#   00030  00 00 00 00 01 00 00 00  00 00 00 00 00 00 00 00  ................
25b6cee71dSXin LI#   00040  00 00 00 00 ff ff ff ff  ff ff ff ff 02 00 00 00  ................
26b6cee71dSXin LI#
27b6cee71dSXin LI# GRR this test is still too general as it catches example adressen.dbt
28b6cee71dSXin LI0	belong	0x03000000
29b6cee71dSXin LI>8	ubelong	0xec020000	VMS Alpha executable
30b6cee71dSXin LI>>75264	string	PK\003\004	\b, Info-ZIP SFX archive v5.12 w/decryption
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