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#!/bin/sh
# Copyright 1997, 1998 Patrick Volkerding, Moorhead, MN USA
# Copyright 2002, 2004 Slackware Linux, Inc., Concord, CA USA
# Copyright 2006, 2009 Patrick Volkerding, Sebeka, MN USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
if [ "$1" = "" ]; then
echo "$0: Converts RPM format to standard GNU tar + GNU zip format."
echo " (view converted packages with \"less\", install and remove"
echo " with \"installpkg\", \"removepkg\", \"pkgtool\", or manually"
echo " with \"tar\")"
echo
echo "Usage: $0 <file.rpm>"
if [ "$(basename $0)" = "rpm2tgz" ]; then
echo " (Outputs \"file.tgz\")"
else
echo " (Outputs \"file.tar.gz\")"
fi
exit 1;
fi
CWD=$(pwd)
# Create a new temporary directory with a secure filename:
make_temp_dir() {
if [ -x "$(which mcookie)" ]; then
tempd=/tmp/tmp.$(mcookie)
mkdir -p -m 0755 $tempd
elif [ -x "$(which openssl)" ]; then
tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | openssl dgst -md5)
mkdir -p -m 0755 $tempd
elif [ -x "$(which md5)" ]; then
tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | md5)
mkdir -p -m 0755 $tempd
elif [ -x "$(which mktemp)" ]; then
tempd=$(mktemp -d)
chmod 755 $tempd
## Uncomment for insecure use, but don't blame me:
#else
# tempd=/tmp/tmp.$$
# mkdir -p -m 0755 $tempd
fi
if [ -d $tempd ]; then # success, return the name of the directory:
echo $tempd
else
echo "ERROR: Could not find mcookie, openssl, or md5."
echo " Exiting since a secure temporary directory could not be made."
exit 1
fi
}
for i in $* ; do
# Determine if this is a source or binary RPM.
# If we have getrpmtype, use that. Otherwise, try "file".
if which getrpmtype 1> /dev/null 2> /dev/null; then
if getrpmtype -n $i | grep source 1> /dev/null 2> /dev/null ; then
isSource=1
else
isSource=0
fi
else # use file. This works fine on Slackware, and is the default.
if file $i | grep RPM | grep " src " 1> /dev/null 2> /dev/null ; then
isSource=1
else
isSource=0
fi
fi
# Create a temporary directory:
TMPDIR=$(make_temp_dir)
# Extract the RPM:
ofn=$TMPDIR/$(basename $i .rpm).cpio
if which rpm2cpio 1> /dev/null 2> /dev/null ; then
rpm2cpio $i > $ofn 2> /dev/null
if [ ! $? = 0 ]; then
echo "ERROR: rpm2cpio failed. (maybe $i is not an RPM?)"
rm -rf $TMPDIR
continue
fi
else # less reliable than rpm2cpio...
( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | gzip -dc > $ofn 2>/dev/null ) || \
( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | bzip2 -dc > $ofn 2>/dev/null )
fi
DEST=$TMPDIR
if [ "$isSource" = "1" ]; then
DEST=$DEST/$(basename $(basename $i .rpm) .src)
fi
mkdir -p $DEST
( cd $DEST
cpio -i -m -d < $ofn 1> /dev/null 2> /dev/null
rm -f $ofn
find . -type d -perm 700 -exec chmod 755 {} \;
)
# If this program was called as "rpm2targz", then repack as a plain
# tar+gz archive. If it was called as "rpm2tgz", use Slackware's
# makepkg to produce the .tgz:
if [ "$(basename $0)" = "rpm2tgz" ]; then
( cd $TMPDIR ; makepkg -l y -c n $CWD/$(basename $i .rpm).tgz )
else
( cd $TMPDIR ; tar cf - . ) > $(basename $i .rpm).tar
gzip -9 $(basename $i .rpm).tar
fi
# Remove temporary directory:
rm -rf $TMPDIR
done
|
