From patchwork Fri May 26 14:06:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alberto Planas Dominguez X-Patchwork-Id: 24572 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A0F1CC77B73 for ; Fri, 26 May 2023 14:06:54 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by mx.groups.io with SMTP id smtpd.web11.8881.1685110009240090021 for ; Fri, 26 May 2023 07:06:49 -0700 Authentication-Results: mx.groups.io; dkim=fail reason="body hash did not verify" header.i=@suse.com header.s=susede1 header.b=hLLV3zwn; spf=pass (domain: suse.com, ip: 195.135.220.29, mailfrom: aplanas@suse.com) Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 355771F86C; Fri, 26 May 2023 14:06:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1685110007; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=1GoE4uyur5H94SmOGCHSoI23+dKxrCulOme4LNl9VNU=; b=hLLV3zwneUqnfonkx7Eh8L5NM4+KCbMNC6rWxYrvl2lTUYMdXtGT1L3lSXkaa1kjq8BApZ +qlWq0/xoeHUbMWI0zCmZgjxKkiy8y199ZskKZmlNF6lAlR7fc//ubnWFPeSY2MfYOCFqN vRmIy44Jocpzu8zH8LamOg4rkDBJGgE= Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id DD41C134AB; Fri, 26 May 2023 14:06:46 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id EIH5Mfa8cGSAcwAAGKfGzw (envelope-from ); Fri, 26 May 2023 14:06:46 +0000 From: aplanas@suse.com To: openembedded-core@lists.openembedded.org Cc: Alberto Planas Subject: [PATCH] rpm2cpio.sh: update to the last 4.x version Date: Fri, 26 May 2023 16:06:40 +0200 Message-Id: <20230526140640.30724-1-aplanas@suse.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 26 May 2023 14:06:54 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/181772 From: Alberto Planas openSUSE RPMs are compressing the RPM payload using zstd, that correspond to the magic ID 0x28, 0xb5, 0x2f. This patch update the script to the last version from the rpm project, and add support to this compression format, and extract the cpio payload using the "unzstd" binary. Signed-off-by: Alberto Planas --- scripts/rpm2cpio.sh | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) mode change 100755 => 100644 scripts/rpm2cpio.sh diff --git a/scripts/rpm2cpio.sh b/scripts/rpm2cpio.sh old mode 100755 new mode 100644 index 2034373fe4..8199b43784 --- a/scripts/rpm2cpio.sh +++ b/scripts/rpm2cpio.sh @@ -7,7 +7,7 @@ fatal() { } pkg="$1" -[ -n "$pkg" -a -e "$pkg" ] || +[ -n "$pkg" ] && [ -e "$pkg" ] || fatal "No package supplied" _dd() { @@ -16,14 +16,23 @@ _dd() { } calcsize() { + + case "$(_dd $1 bs=4 count=1 | tr -d '\0')" in + "$(printf '\216\255\350')"*) ;; # '\x8e\xad\xe8' + *) fatal "File doesn't look like rpm: $pkg" ;; + esac + offset=$(($1 + 8)) local i b b0 b1 b2 b3 b4 b5 b6 b7 i=0 while [ $i -lt 8 ]; do - b=$(_dd $(($offset + $i)) bs=1 count=1; echo X) - b=${b%X} + # add . to not loose \n + # strip \0 as it gets dropped with warning otherwise + b="$(_dd $(($offset + $i)) bs=1 count=1 | tr -d '\0' ; echo .)" + b=${b%.} # strip . again + [ -z "$b" ] && b="0" || b="$(exec printf '%u\n' "'$b")" @@ -35,7 +44,7 @@ calcsize() { offset=$(($offset + $rsize)) } -case "$(_dd 0 bs=8 count=1)" in +case "$(_dd 0 bs=4 count=1 | tr -d '\0')" in "$(printf '\355\253\356\333')"*) ;; # '\xed\xab\xee\xdb' *) fatal "File doesn't look like rpm: $pkg" ;; esac @@ -46,10 +55,11 @@ sigsize=$rsize calcsize $(($offset + (8 - ($sigsize % 8)) % 8)) hdrsize=$rsize -case "$(_dd $offset bs=3 count=1)" in - "$(printf '\102\132')"*) _dd $offset | bzip2 -d ;; # '\x42\x5a' - "$(printf '\037\213')"*) _dd $offset | gunzip ;; # '\x1f\x8b' - "$(printf '\375\067')"*) _dd $offset | xzcat ;; # '\xfd\x37' - "$(printf '\135\000')"*) _dd $offset | unlzma ;; # '\x5d\x00' - *) fatal "Unrecognized rpm file: $pkg" ;; +case "$(_dd $offset bs=2 count=1 | tr -d '\0')" in + "$(printf '\102\132')") _dd $offset | bunzip2 ;; # '\x42\x5a' + "$(printf '\037\213')") _dd $offset | gunzip ;; # '\x1f\x8b' + "$(printf '\375\067')") _dd $offset | xzcat ;; # '\xfd\x37' + "$(printf '\135')") _dd $offset | unlzma ;; # '\x5d\x00' + "$(printf '\050\265')") _dd $offset | unzstd ;; # '\x28\xb5' + *) fatal "Unrecognized payload compression format in rpm file: $pkg" ;; esac