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https://git.code.sf.net/p/linux-ima/ima-evm-utils
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2a7658bf0e
There is no such an algorithm name as sm3-256. This is an ambiguity caused by the definition of the macro HASH_ALGO_SM3_256. The sed command is only a special case of sm3, so sm3 is used to replace the sm3-256 algorithm name. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Reviewed-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
94 lines
2.5 KiB
Bash
Executable File
94 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Generate hash_info.h from kernel headers
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#
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# Copyright (C) 2018 <vt@altlinux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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KERNEL_HEADERS=$1
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HASH_INFO_H=uapi/linux/hash_info.h
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HASH_INFO=$KERNEL_HEADERS/include/$HASH_INFO_H
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TMPHASHINFO="./tmp_hash_info.h"
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gen_hashinfo() {
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cat << __EOF__ >$TMPHASHINFO
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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* Hash Info: Hash algorithms information
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*
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* Copyright (c) 2013 Dmitry Kasatkin <d.kasatkin@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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enum hash_algo {
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HASH_ALGO_MD4,
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HASH_ALGO_MD5,
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HASH_ALGO_SHA1,
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HASH_ALGO_RIPE_MD_160,
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HASH_ALGO_SHA256,
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HASH_ALGO_SHA384,
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HASH_ALGO_SHA512,
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HASH_ALGO_SHA224,
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HASH_ALGO_RIPE_MD_128,
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HASH_ALGO_RIPE_MD_256,
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HASH_ALGO_RIPE_MD_320,
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HASH_ALGO_WP_256,
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HASH_ALGO_WP_384,
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HASH_ALGO_WP_512,
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HASH_ALGO_TGR_128,
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HASH_ALGO_TGR_160,
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HASH_ALGO_TGR_192,
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HASH_ALGO_SM3_256,
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HASH_ALGO__LAST
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};
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__EOF__
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}
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# Allow to specify kernel-headers past include/
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if [ ! -e $HASH_INFO ]; then
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HASH_INFO2=$KERNEL_HEADERS/$HASH_INFO_H
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if [ -e $HASH_INFO2 ]; then
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HASH_INFO=$HASH_INFO2
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else
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gen_hashinfo
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HASH_INFO="$TMPHASHINFO"
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fi
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fi
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if [ ! -e $HASH_INFO ]; then
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echo "/* $HASH_INFO is not found */"
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HASH_INFO=/dev/null
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else
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echo "/* $HASH_INFO is found */"
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fi
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echo "enum hash_algo {"
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grep HASH_ALGO_.*, $HASH_INFO
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printf "\tHASH_ALGO__LAST\n"
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echo "};"
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echo "const char *const hash_algo_name[HASH_ALGO__LAST] = {"
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sed -n 's/HASH_ALGO_\(.*\),/\1 \L\1\E/p' $HASH_INFO | \
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while read a b; do
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# Normalize text hash name: sm3 algorithm name is different from
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# the macro definition, which is also the only special case of an
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# underscore between digits. Remove all other underscores.
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b=$(echo "$b" | sed "s/sm3_256/sm3/g;s/_//g")
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printf '\t%-26s = "%s",\n' "[HASH_ALGO_$a]" "$b"
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done
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echo "};"
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