xref: /freebsd/usr.sbin/bsdinstall/scripts/checksum (revision ec965063070e5753c166cf592c9336444b74720a)
1#!/bin/sh
2#-
3# Copyright (c) 2011 Nathan Whitehorn
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28
29test -f $BSDINSTALL_DISTDIR/MANIFEST || exit 0
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33
34percentage=0
35for dist in $DISTRIBUTIONS; do
36	distname=$(basename $dist .txz)
37	eval "status_$distname=-8"
38
39	items=""
40	for i in $DISTRIBUTIONS; do
41		items="$items $i `eval echo \\\${status_$(basename $i .txz):--11}`"
42	done
43	bsddialog --backtitle "$OSNAME Installer" --title "Checksum Verification" \
44	    --mixedgauge "\nVerifying checksums of selected distributions.\n" \
45	    0 0 $percentage  -- $items
46
47	CK=`sha256 -q $BSDINSTALL_DISTDIR/$dist`
48	awk -v checksum=$CK -v dist=$dist -v found=0 '{
49		if (dist == $1) {
50			found = 1
51			if (checksum == $2)
52				exit(0)
53			else
54				exit(2)
55		}
56	} END {if (!found) exit(1);}' $BSDINSTALL_DISTDIR/MANIFEST
57
58	CK_VALID=$?
59	if [ $CK_VALID -le 1 ]; then
60		if [ $CK_VALID -eq 0 ]; then
61			eval "status_$distname=-3"
62		else
63			eval "status_$distname=-7"
64		fi
65		percentage=$(echo $percentage + 100/`echo $DISTRIBUTIONS | wc -w` | bc)
66	else
67		eval "status_$distname=-2"
68		case $(/bin/freebsd-version -u) in
69		*-ALPHA*|*-CURRENT|*-STABLE|*-PRERELEASE)
70			bsddialog --backtitle "$OSNAME Installer" --title "Error" \
71			    --msgbox "The checksum for $dist does not match. It may have become corrupted, or it may be from a newer version of $OSNAME. Please check for a newer snapshot." 0 0
72			;;
73		*)
74			bsddialog --backtitle "$OSNAME Installer" --title "Error" \
75			    --msgbox "The checksum for $dist does not match. It may have become corrupted, and should be redownloaded." 0 0
76			;;
77		esac
78		exit 1
79	fi
80done
81
82exit 0
83