usr.bin/xinstall: Synchronize on NetBSD-current (30/03/2021 16:09 UTC)
This commit is contained in:
Marcelo Alencar
parent
21b3ce3e7e
commit
c0826206ed
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@ -1,27 +1,25 @@
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# $NetBSD: Makefile,v 1.25 2015/06/17 15:34:08 christos Exp $
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# $NetBSD: Makefile,v 1.29 2020/10/30 20:05:00 rillig Exp $
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# @(#)Makefile 8.1 (Berkeley) 6/6/93
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.include <bsd.own.mk>
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PROG= xinstall
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SRCS= xinstall.c getid.c metachar.c
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SRCS= xinstall.c getid.c
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MAN= install.1
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.PATH: ${NETBSDSRCDIR}/usr.bin/make
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CPPFLAGS+= -I${NETBSDSRCDIR}/usr.bin/make
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.PATH: ${NETBSDSRCDIR}/usr.sbin/mtree
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CPPFLAGS+= -I${NETBSDSRCDIR}/usr.sbin/mtree
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CPPFLAGS+= -DHAVE_POSIX_SPAWN
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.if (${HOSTPROG:U} == "")
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CPPFLAGS+= -DHAVE_POSIX_SPAWN
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DPADD+= ${LIBUTIL}
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LDADD+= -lutil
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.endif
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COPTS.xinstall.c += -Wno-format-nonliteral
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PROGNAME=install
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CWARNFLAGS.gcc+= ${GCC_NO_FORMAT_TRUNCATION}
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.include <bsd.prog.mk>
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@ -1,4 +1,4 @@
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/* $NetBSD: xinstall.c,v 1.124 2015/06/19 17:20:02 christos Exp $ */
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/* $NetBSD: xinstall.c,v 1.126 2020/10/30 20:05:00 rillig Exp $ */
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/*
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* Copyright (c) 1987, 1993
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@ -29,6 +29,37 @@
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* SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2015 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define __MKTEMP_OK__ /* All uses of mktemp have been checked */
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#else
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@ -46,11 +77,10 @@ __COPYRIGHT("@(#) Copyright (c) 1987, 1993\
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#if 0
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static char sccsid[] = "@(#)xinstall.c 8.1 (Berkeley) 7/21/93";
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#else
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__RCSID("$NetBSD: xinstall.c,v 1.124 2015/06/19 17:20:02 christos Exp $");
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__RCSID("$NetBSD: xinstall.c,v 1.126 2020/10/30 20:05:00 rillig Exp $");
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#endif
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#endif /* not lint */
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#define __MKTEMP_OK__ /* All uses of mktemp have been checked */
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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@ -83,7 +113,6 @@ __RCSID("$NetBSD: xinstall.c,v 1.124 2015/06/19 17:20:02 christos Exp $");
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#include "pathnames.h"
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#include "mtree.h"
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#include "metachar.h"
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#define BACKUP_SUFFIX ".old"
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@ -142,6 +171,7 @@ static void strip(const char *);
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__dead static void usage(void);
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static char *xbasename(char *);
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static char *xdirname(char *);
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static int needshell(const char *, int);
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int
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main(int argc, char *argv[])
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@ -1291,3 +1321,58 @@ usage(void)
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prog, prog, prog);
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exit(1);
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}
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/*
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* The following array is used to make a fast determination of which
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* characters are interpreted specially by the shell. If a command
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* contains any of these characters, it is executed by the shell, not
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* directly by us.
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*/
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static unsigned char _metachar[128] = {
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/* nul soh stx etx eot enq ack bel */
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1, 0, 0, 0, 0, 0, 0, 0,
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/* bs ht nl vt np cr so si */
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0, 0, 1, 0, 0, 0, 0, 0,
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/* dle dc1 dc2 dc3 dc4 nak syn etb */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* can em sub esc fs gs rs us */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* sp ! " # $ % & ' */
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0, 1, 1, 1, 1, 0, 1, 1,
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/* ( ) * + , - . / */
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1, 1, 1, 0, 0, 0, 0, 0,
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/* 0 1 2 3 4 5 6 7 */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* 8 9 : ; < = > ? */
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0, 0, 0, 1, 1, 0, 1, 1,
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/* @ A B C D E F G */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* H I J K L M N O */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* P Q R S T U V W */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* X Y Z [ \ ] ^ _ */
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0, 0, 0, 1, 1, 1, 1, 0,
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/* ` a b c d e f g */
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1, 0, 0, 0, 0, 0, 0, 0,
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/* h i j k l m n o */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* p q r s t u v w */
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0, 0, 0, 0, 0, 0, 0, 0,
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/* x y z { | } ~ del */
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0, 0, 0, 1, 1, 1, 1, 0,
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};
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#define ismeta(c) _metachar[(c) & 0x7f]
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static int
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needshell(const char *cmd, int white)
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{
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while (!ismeta(*cmd) && *cmd != ':' && *cmd != '=') {
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if (white && isspace((unsigned char)*cmd))
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break;
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cmd++;
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}
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return *cmd != '\0';
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}
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