From owner-freebsd-bugs@FreeBSD.ORG Fri Aug 29 10:30:17 2003 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E13CE16A548 for ; Fri, 29 Aug 2003 10:30:17 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB0F643FE0 for ; Fri, 29 Aug 2003 10:30:16 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.9/8.12.9) with ESMTP id h7THUGUp046670 for ; Fri, 29 Aug 2003 10:30:16 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.9/8.12.9/Submit) id h7THUG9Y046669; Fri, 29 Aug 2003 10:30:16 -0700 (PDT) Resent-Date: Fri, 29 Aug 2003 10:30:16 -0700 (PDT) Resent-Message-Id: <200308291730.h7THUG9Y046669@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Paul Jarc Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CFF9416A4BF for ; Fri, 29 Aug 2003 10:27:37 -0700 (PDT) Received: from mail.webmonster.de (datasink.webmonster.de [194.162.162.209]) by mx1.FreeBSD.org (Postfix) with SMTP id 7D6EF43FCB for ; Fri, 29 Aug 2003 10:27:36 -0700 (PDT) (envelope-from prj@datasink.webmonster.de) Received: (qmail 25055 invoked by uid 1018); 29 Aug 2003 17:27:57 -0000 Message-Id: <20030829172757.25054.qmail@mail.webmonster.de> Date: 29 Aug 2003 17:27:57 -0000 From: Paul Jarc To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 cc: Paul Jarc Subject: bin/56147: FreeBSD/NetBSD /bin/sh mishandles positional parameters in "case" X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Paul Jarc List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Aug 2003 17:30:18 -0000 >Number: 56147 >Category: bin >Synopsis: FreeBSD/NetBSD /bin/sh mishandles positional parameters in "case" >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Aug 29 10:30:16 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Paul Jarc >Release: FreeBSD 4.8-STABLE i386 >Organization: >Environment: System: FreeBSD datasink.webmonster.de 4.8-STABLE FreeBSD 4.8-STABLE #5: Wed Aug 6 10:27:33 CEST 2003 root@datasink.webmonster.de:/m/ad0s1e/build/obj/m/ad0s1e/build/src/sys/DATASINKv2 i386 >Description: In /bin/sh "case" patterns, wildcards are supposed to be interpreted as literal characters if they are quoted or are the result of an expansion. However, if they appear in the expansion of a positional parameter, they are interpreted as wildcards. This can cause scripts to fail silently and mysteriously. >How-To-Repeat: $ sh -c 'set "*"; case x in "$1") echo oops;; esac' oops >Fix: As a workaround, you can assign the value of the positional parameter to a named parameter, and expand that named parameter in the "case" pattern: $ sh -c 'set "*"; v=$1; case x in "$v") echo oops;; esac' >Release-Note: >Audit-Trail: >Unformatted: