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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
+