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ima-evm-utils: define a basic hash_info.h file

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Some older system kernel header packages don't necessarily include
hash_info.h.

Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Mimi Zohar 2020-07-02 11:07:33 -04:00
parent d9f015035a
commit 590966cb7f
2 changed files with 44 additions and 1 deletions
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2
src/Makefile.am
View File

@ -34,5 +34,5 @@ endif
AM_CPPFLAGS = -I$(top_srcdir) -include config.h
CLEANFILES = hash_info.h
CLEANFILES = hash_info.h tmp_hash_info.h
DISTCLEANFILES = @DISTCLEANFILES@

43
src/hash_info.gen
View File

@ -18,11 +18,54 @@ KERNEL_HEADERS=$1
HASH_INFO_H=uapi/linux/hash_info.h
HASH_INFO=$KERNEL_HEADERS/include/$HASH_INFO_H
TMPHASHINFO="./tmp_hash_info.h"
gen_hashinfo() {
cat << __EOF__ >$TMPHASHINFO
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Hash Info: Hash algorithms information
*
* Copyright (c) 2013 Dmitry Kasatkin <d.kasatkin@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
enum hash_algo {
HASH_ALGO_MD4,
HASH_ALGO_MD5,
HASH_ALGO_SHA1,
HASH_ALGO_RIPE_MD_160,
HASH_ALGO_SHA256,
HASH_ALGO_SHA384,
HASH_ALGO_SHA512,
HASH_ALGO_SHA224,
HASH_ALGO_RIPE_MD_128,
HASH_ALGO_RIPE_MD_256,
HASH_ALGO_RIPE_MD_320,
HASH_ALGO_WP_256,
HASH_ALGO_WP_384,
HASH_ALGO_WP_512,
HASH_ALGO_TGR_128,
HASH_ALGO_TGR_160,
HASH_ALGO_TGR_192,
HASH_ALGO_SM3_256,
HASH_ALGO__LAST
};
__EOF__
}
# Allow to specify kernel-headers past include/
if [ ! -e $HASH_INFO ]; then
HASH_INFO2=$KERNEL_HEADERS/$HASH_INFO_H
if [ -e $HASH_INFO2 ]; then
HASH_INFO=$HASH_INFO2
else
gen_hashinfo
HASH_INFO="$TMPHASHINFO"
fi
fi