add rpm5 offset

git-svn-id: https://svn.disconnected-by-peer.at/svn/linamh/trunk/mds@2516 6952d904-891a-0410-993b-d76249ca496b
This commit is contained in:
geos_one
2010-10-12 13:07:19 +00:00
parent f37bc17b9a
commit 00e67e1211
9 changed files with 283 additions and 13 deletions

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# ChangeLog for app-arch/rpm5offset
# Copyright 1999-2009 Gentoo Foundation; Distributed under the GPL v2
# $Header: $
*rpm5offset-9.0-r1 (09 Sep 2009)
09 Sep 2009; Mario Fetka <mario.fetka@gmail.com>
+rpm5offset-9.0-r1.ebuild:
add support for app-arch/xz-utils
16 Jan 2009; Mario Fetka <mario.fetka@gmail.com> +metadata.xml:
initial rpm5offset

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AUX rpmoffset.c 1964 RMD160 acea626f5080b7ea47863cf9e3bc2ab3b381c61e SHA1 5ec35b3d37773ca4a09443c6ea687c7d3a739f34 SHA256 e1e18d68009bd4541d6c65b43f45b58d720b9c87eba612d7616e244142f80dfe
EBUILD rpm5offset-9.0-r1.ebuild 653 RMD160 4da00e851208ae017289a981bf221125bed1300e SHA1 d7585e5c0953ae6106dcd1dd16eb4ac14c11b80a SHA256 84511d3c96d0269d0105cd2aede19170f7b421bea7bc921de47da221320e4139
EBUILD rpm5offset-9.0.ebuild 628 RMD160 cf664dc26a5305e9d85b29ef89f9a1faf26bbae2 SHA1 c08ecbb217ffa829d134544c78fbbeb451510193 SHA256 5b9561a70c0dece76fb9e4f94690e8b8cf143dd98edf08d13938a922ce0eaef5
MISC ChangeLog 359 RMD160 bf3896dfe95be868cff866614fe45990b1ade8e0 SHA1 de47c41139412e2e786222dd562b5ed8df0e36f5 SHA256 10185acde0bf53f6596e95e8fdc496e0a209dc7790b92a2e07f8370620b3a1cf
MISC metadata.xml 170 RMD160 645927a396fdc21cdeb089fe42c5397332420ea6 SHA1 ac7f48a14fec325926f9ce1be8fbf1f311b4f2e4 SHA256 d797a2ec6f9dc516c9f9c1a758ee87ad3e8c43101b5dc76c2f872d5bd4639b42

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/* 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 <stdlib.h>
#include <stdio.h>
/* 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 3145728
main()
{
char *buff = malloc(RPMBUFSIZ),*eb,*p;
for (p = buff, eb = buff + read(0,buff,RPMBUFSIZ); p < eb; p++)
{
/* gzip format */
if (*p == '\037' && p[1] == '\213' && p[2] == '\010')
{
printf("%ld\n",p - buff);
exit(0);
}
/* bzip2 format */
else if (*p == 'B' && p[1] == 'Z' && p[2] == 'h' )
{
printf("%ld\n",p - buff);
exit(0);
}
/* LZMA files; both LZMA_Alone and LZMA utils formats. The LZMA_Alone
* format is used by the LZMA_Alone tool from LZMA SDK. The LZMA utils
* format is the default format of LZMA utils 4.32.1 and later. */
/* LZMA utils format */
else if (*p == '\377' && p[1] == 'L' &&
p[2] == 'Z' && p[3] == 'M' &&
p[4] == 'A' && p[5] == '\000')
{
printf("%ld\n",p - buff);
exit(0);
}
/* The LZMA_Alone format has no magic bytes, thus we
* need to play a wizard. This can give false positives,
* thus the detection below should be removed when
* the newer LZMA utils format has got popular. */
// else if (*p == 0x5D && p[1] == 0x00 &&
else if (*p == '\135' &&
p[5] == '\377' && p[6] == '\377' &&
p[7] == '\377' && p[8] == '\377' &&
p[9] == '\377' && p[10] == '\377' &&
p[11] == '\377' && p[12] == '\377')
/* ((p[10] == 0x00 && p[11] == 0x00 &&
p[12] == 0x00) ||
(p[5] == 0xFF && p[6] == 0xFF &&
p[7] == 0xFF && p[8] == 0xFF &&
p[9] == 0xFF && p[10] == 0xFF &&
p[11] == 0xFF && p[12] == 0xFF)))
*/ {
printf("%ld\n",p - buff);
exit(0);
}
}
exit(1);
}

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>maintainer-wanted</herd>
</pkgmetadata>

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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit toolchain-funcs
DESCRIPTION="Find how deeply inside an .RPM the real data is"
HOMEPAGE="http://www.slackware.com/config/packages.php"
SRC_URI=""
LICENSE="as-is"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
IUSE="userland_GNU"
RDEPEND="app-arch/cpio
|| ( app-arch/lzma-utils app-arch/xz-utils )"
DEPEND="${DEPEND}"
src_compile() {
"$(tc-getCC)" ${CFLAGS} ${LDFLAGS} ${FILESDIR}/rpmoffset.c -o rpm5offset || die
}
src_install() {
dobin rpm5offset || die
}

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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit toolchain-funcs
DESCRIPTION="Find how deeply inside an .RPM the real data is"
HOMEPAGE="http://www.slackware.com/config/packages.php"
SRC_URI=""
LICENSE="as-is"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
IUSE="userland_GNU"
RDEPEND="app-arch/cpio
app-arch/lzma-utils"
DEPEND="${DEPEND}"
src_compile() {
"$(tc-getCC)" ${CFLAGS} ${LDFLAGS} ${FILESDIR}/rpmoffset.c -o rpm5offset || die
}
src_install() {
dobin rpm5offset || die
}