From 441e82c9832e2d65fc2db324872928471307dbc4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sat, 31 May 2008 14:33:46 -0400 Subject: import rpm2targz-9.0 unmodified Signed-off-by: Mike Frysinger --- rpm2targz | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ rpm2targz.README | 16 ++++++++++ rpmoffset.c | 23 ++++++++++++++ 3 files changed, 136 insertions(+) create mode 100755 rpm2targz create mode 100644 rpm2targz.README create mode 100644 rpmoffset.c diff --git a/rpm2targz b/rpm2targz new file mode 100755 index 0000000..0ab74e4 --- /dev/null +++ b/rpm2targz @@ -0,0 +1,97 @@ +#!/bin/sh +# Copyright 1997, 1998 Patrick Volkerding, Moorhead, MN USA +# Copyright 2002 Slackware Linux, Inc., Concord, CA 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 [ "$TMPDIR" = "" ]; then + TMPDIR=/tmp +fi +# If mcookie is available, use it for better /tmp security. +if [ -x `which mcookie` ]; then + COOKIE=`mcookie` +else + COOKIE=$$ +fi +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 " + if [ "`basename $0`" = "rpm2tgz" ]; then + echo " (Outputs \"file.tgz\")" + else + echo " (Outputs \"file.tar.gz\")" + fi + exit 1; +fi +for i in $* ; do + if [ ! "$1" = "$*" ]; then + echo -n "Processing file: $i" + fi + rm -rf $TMPDIR/rpm2targz$COOKIE # clear the way, just in case of mischief + mkdir $TMPDIR/rpm2targz$COOKIE + + # 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 $i | grep RPM | grep " src " 1> /dev/null 2> /dev/null ; then + isSource=1 + else + isSource=0 + fi + fi + + ofn=$TMPDIR/rpm2targz$COOKIE/`basename $i .rpm`.cpio + if which rpm2cpio 1> /dev/null 2> /dev/null ; then + rpm2cpio $i > $ofn 2> /dev/null + if [ ! $? = 0 ]; then + echo "... rpm2cpio failed. (maybe $i is not an RPM?)" + ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE ) + continue + fi + else # less reliable than rpm2cpio... + dd ibs=`rpmoffset < $i` skip=1 if=$i 2> /dev/null | gzip -dc > $ofn + fi + DEST=$TMPDIR/rpm2targz$COOKIE + if [ "$isSource" = "1" ]; then + DEST=$DEST/$(basename $(basename $i .rpm) .src) + fi + mkdir -p $DEST + ( cd $DEST + cpio --extract --preserve-modification-time --make-directories < $ofn 1> /dev/null 2> /dev/null + rm -f $ofn + find . -type d -perm 700 -exec chmod 755 {} \; ) + ( cd $TMPDIR/rpm2targz$COOKIE ; tar cf - . ) > `basename $i .rpm`.tar + gzip -9 `basename $i .rpm`.tar + if [ "`basename $0`" = "rpm2tgz" ]; then + mv `basename $i .rpm`.tar.gz `basename $i .rpm`.tgz + fi + ( cd $TMPDIR ; rm -rf rpm2targz$COOKIE ) + echo +done diff --git a/rpm2targz.README b/rpm2targz.README new file mode 100644 index 0000000..9936f05 --- /dev/null +++ b/rpm2targz.README @@ -0,0 +1,16 @@ + +This package contains 'rpm2targz', a simple utility to convert Red Hat-style +RPM packages into standard tar.gz archives. Converted binary packages can then +be installed/removed using the 'installpkg/removepkg' commands, or 'pkgtool'. + +It's advisable to at least examine the converted package with 'less' to make +sure it won't do anything too crazy to your system. + +By default, rpm2targz will attempt to use "file" to detect source RPMS, and will +put the contents into a subdirectory in the resulting package. This may not be +portable to other operating systems -- if you're trying to run rpm2targz on an +OS that doesn't have a file that knows RPM types, and you care about this source +RPM feature, you can compile and install David Cantrell's standalone getrpmtype +utility. The getrpmtype.tar.gz source archive can be found in Slackware's +source tree in source/a/bin/. + diff --git a/rpmoffset.c b/rpmoffset.c new file mode 100644 index 0000000..ac5984c --- /dev/null +++ b/rpmoffset.c @@ -0,0 +1,23 @@ + +/* Find how deeply inside an .RPM the real data is */ +/* kept, and report the offset in bytes */ + +/* Wouldn't it be a lot more sane if we could just untar these things? */ + +#include + +/* These offsets keep getting bigger, so we're going to just bite a 2MB */ +/* chunk of RAM right away so that we have enough. Yeah, horrible */ +/* quick and dirty implementation, but hey -- it gets the job done. */ + +#define RPMBUFSIZ 2097152 + +main() +{ + char *buff = malloc(RPMBUFSIZ),*eb,*p; + for (p = buff, eb = buff + read(0,buff,RPMBUFSIZ); p < eb; p++) + if (*p == '\037' && p[1] == '\213' && p[2] == '\010') + printf("%d\n",p - buff), + exit(0); + exit(1); +} -- cgit v1.2.3-65-gdbad