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https://git.proxmox.com/git/fwupd
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68cc00c7e9
Although we supported other hashes than SHA1 (which is now moderately unsafe) we had to switch the metadata provider and daemon on some kind of flag day to using SHA256. Since that's somewhat impractical, just allow multiple checksums to be set on objects and just try to match whatever is given in preference order. This also means we can easily transition to other hash types in the future. The removed API was never present in a tarball release, so not an API break.
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
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*
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* Licensed under the GNU Lesser General Public License Version 2.1
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "fwupd-common-private.h"
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#include <string.h>
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/**
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* fwupd_checksum_guess_kind:
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* @checksum: A checksum
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*
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* Guesses the checksum kind based on the length of the hash.
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*
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* Returns: a #GChecksumType, e.g. %G_CHECKSUM_SHA1
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*
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* Since: 0.9.3
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**/
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GChecksumType
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fwupd_checksum_guess_kind (const gchar *checksum)
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{
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guint len;
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if (checksum == NULL)
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return G_CHECKSUM_SHA1;
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len = strlen (checksum);
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if (len == 32)
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return G_CHECKSUM_MD5;
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if (len == 40)
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return G_CHECKSUM_SHA1;
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if (len == 64)
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return G_CHECKSUM_SHA256;
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if (len == 128)
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return G_CHECKSUM_SHA512;
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return G_CHECKSUM_SHA1;
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}
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static const gchar *
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_g_checksum_type_to_string (GChecksumType checksum_type)
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{
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if (checksum_type == G_CHECKSUM_MD5)
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return "MD5";
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if (checksum_type == G_CHECKSUM_SHA1)
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return "SHA1";
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if (checksum_type == G_CHECKSUM_SHA256)
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return "SHA256";
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if (checksum_type == G_CHECKSUM_SHA512)
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return "SHA512";
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return NULL;
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}
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/**
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* fwupd_checksum_format_for_display:
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* @checksum: A checksum
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*
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* Formats a checksum for display.
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*
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* Returns: text, or %NULL for invalid
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*
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* Since: 0.9.3
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**/
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gchar *
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fwupd_checksum_format_for_display (const gchar *checksum)
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{
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GChecksumType kind = fwupd_checksum_guess_kind (checksum);
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return g_strdup_printf ("%s(%s)", _g_checksum_type_to_string (kind), checksum);
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}
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