146 lines
4.5 KiB
Bash
Executable File
146 lines
4.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# grab_checksum
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# (c) 2004-2019 Steve McIntyre <steve@einval.com>
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#
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# GPL v2
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#
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# Parse Packages and Sources files out of a mirror and pre-process
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# them into a single list ready for mkisofs to check later
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set -e
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CHECKSUM=$1
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MIRROR=$2
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ARCHES="$3"
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CODENAME=$4
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DI_CODENAME=$5
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OUT=$6
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case $CHECKSUM in
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md5|sha256)
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# OK
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;;
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*)
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echo "$0: Unsupported checksum specified: $CHECKSUM"
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echo "Abort"
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exit 1
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;;
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esac
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export CHECKSUM
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for ARCH in $ARCHES
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do
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LOCATIONS="$MIRROR/dists/$CODENAME/ $MIRROR/dists/$DI_CODENAME/"
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if [ "$BACKPORTS"x != ""x ] ; then
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LOCATIONS="$LOCATIONS $MIRROR/dists/$CODENAME-backports/"
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fi
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echo "Looking in $LOCATIONS"
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for LOCATION in $LOCATIONS; do
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if [ ! -d $LOCATION ]; then
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echo "Error: $LOCATION is not a directory"
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exit 1
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fi
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done
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case $ARCH in
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source)
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FILES=`find $LOCATIONS -name Sources.gz -o -name Sources.xz`
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echo "Using $CHECKSUM sums from Sources files:"
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echo $FILES
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$BASEDIR/tools/catz $FILES | \
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MIRROR=$MIRROR CHECKSUM=$CHECKSUM perl -e '
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chomp;
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my %files;
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my $dir;
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my $filename;
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my $mirror = $ENV{"MIRROR"};
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my $checksum = $ENV{"CHECKSUM"};
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while (<>) {
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if (m/^ ([[:xdigit:]]{32}) (\d+) (\S+)/sg) {
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$files{$3}{"md5"} = $1;
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$files{$3}{"size"} = $2;
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}
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if (m/^ ([[:xdigit:]]{64}) (\d+) (\S+)/sg) {
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$files{$3}{"sha256"} = $1;
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$files{$3}{"size"} = $2;
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}
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if (m/^Directory: (\S+)/sg) {
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$dir = $1;
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}
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if (m/^$/) {
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for $filename (keys %files) {
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printf("%s %12s %s/%s/%s\n",
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$files{$filename}{$checksum},
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$files{$filename}{"size"},
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$mirror, $dir, $filename);
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}
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undef %files;
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}
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}' | sort | uniq >> $OUT
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;;
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*)
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FILES=`find $LOCATIONS -name Packages.gz \
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-o -name Packages.xz | grep binary-$ARCH`
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echo "Using $CHECKSUM sums from Packages files:"
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echo $FILES
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NUM_FILES=`echo $FILES| wc -w`
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if [ $NUM_FILES -eq 1 ] ; then
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echo "No files found for arch $ARCH. Abort!"
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exit 1
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fi
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$BASEDIR/tools/catz $FILES | \
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MIRROR=$MIRROR CHECKSUM=$CHECKSUM perl -e '
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chomp;
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my $mirror = $ENV{"MIRROR"};
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my $checksum = $ENV{"CHECKSUM"};
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my $filename;
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my $size;
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my $sum;
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while (<>) {
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if (m/^Filename: (\S+)/sg) {
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$filename = $1;
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}
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if (m/^Size: (\S+)/sg) {
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$size = $1;
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}
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if ($checksum eq "md5" and (m/^MD5sum: (\S+)/sg)) {
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$sum = $1;
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} elsif ($checksum eq "sha256" and (m/^SHA256: (\S+)/sg)) {
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$sum = $1;
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}
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if (m/^$/) {
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printf("%s %12s %s/%s\n", $sum, $size, $mirror, $filename);
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$sum = "";
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}
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}' | sort | uniq >> $OUT
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# Use the new D-I images. Do NOT use the "current"
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# link; it causes problems with overlaid files...
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for VER in $MIRROR/dists/$DI_CODENAME/main/installer-$ARCH/*
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do
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if [ -d $VER ] && [ ! -L $VER ] ; then
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if [ $CHECKSUM = md5 ]; then
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FILE=$VER/images/MD5SUMS
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else
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FILE=$VER/images/SHA256SUMS
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fi
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echo "Using $CHECKSUM sums from d-i: $FILE"
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LOC=dists/$DI_CODENAME/main/installer-$ARCH/`basename $VER`/images
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for ENTRY in `cat $FILE | sed 's/ /:/g'`
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do
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PATH=`echo $ENTRY | /bin/sed "s?^.*:\./?$MIRROR/$LOC/?g"`
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CSUM=`echo $ENTRY | /bin/sed 's/:.*$//g'`
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SIZE=`/usr/bin/stat -c %s $PATH`
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printf '%s %12.12s %s\n' $CSUM $SIZE $PATH
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done | sort | uniq >> $OUT
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fi
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done
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;;
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esac
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done
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exit 0
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