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3ef46a998a
Fix issue in parse_verify_sum() which swaps handling of env-var and *address. Move hash_command() argc check earlier. Cosmetic change on do_hash() variable declaration. Improved help message for "hash" command. Signed-off-by: Nikolay Dimitrov <picmaster@mail.bg> Reviewed-by: Simon Glass <sjg@chromium.org>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*
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* Copyright (c) 2012 The Chromium OS Authors.
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*
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* (C) Copyright 2011
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* Joe Hershberger, National Instruments, joe.hershberger@ni.com
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <hash.h>
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#include <linux/ctype.h>
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static int do_hash(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *s;
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int flags = HASH_FLAG_ENV;
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#ifdef CONFIG_HASH_VERIFY
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if (argc < 4)
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return CMD_RET_USAGE;
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if (!strcmp(argv[1], "-v")) {
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flags |= HASH_FLAG_VERIFY;
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argc--;
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argv++;
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}
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#endif
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/* Move forward to 'algorithm' parameter */
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argc--;
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argv++;
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for (s = *argv; *s; s++)
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*s = tolower(*s);
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return hash_command(*argv, flags, cmdtp, flag, argc - 1, argv + 1);
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}
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#ifdef CONFIG_HASH_VERIFY
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#define HARGS 6
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#else
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#define HARGS 5
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#endif
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U_BOOT_CMD(
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hash, HARGS, 1, do_hash,
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"compute hash message digest",
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"algorithm address count [[*]hash_dest]\n"
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" - compute message digest [save to env var / *address]"
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#ifdef CONFIG_HASH_VERIFY
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"\nhash -v algorithm address count [*]hash\n"
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" - verify message digest of memory area to immediate value, \n"
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" env var or *address"
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#endif
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);
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