1#!/bin/sh 2# $NetBSD: checkver,v 1.18 2021/12/05 08:09:30 msaitoh Exp $ 3# 4# Copyright (c) 1998 The NetBSD Foundation, Inc. 5# All rights reserved. 6# 7# This code is derived from software contributed to The NetBSD Foundation 8# by Eric Haszlakiewicz. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 19# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29# POSSIBILITY OF SUCH DAMAGE. 30# 31 32#--------------------------------------------------------------------# 33# checkver - 34# Check for libraries that appear to be newer than the 35# one we're about to install. 36# 37# checkver [-q] [-v shlib_version_file] -d [installedlibdir [library name]]" 38# checkver [-q] [-v shlib_version_file] -s [setlistdir [library name]]" 39# checkver [-q] [-v shlib_version_file] -f liblistfile [library name]" 40# 41# One of -d, -s or -f must be specified. 42# 43# all: If library name is not specified it is assumed to 44# be the name of the current directory. 45# 46# -d: Checks the version against the installed libraries. 47# If no further arguments are given "/usr/lib" is 48# used as the location of installed libraries. 49# 50# -s: Checks the version against the sets. If no argument 51# follows the sets directory defaults to "/usr/src/distrib/sets/lists". 52# The directory may be specified as either the top of the 53# source tree or as the lists directory. 54# 55# -f: Checks the version against the provided list. A filename 56# must be supplied. 57# 58# -v: Specify the filename of the shlib_version file. Defaults 59# to "./shlib_version". 60# 61# This script produces no output if all library version are not 62# large than the source version. If an installed library with a 63# version greater than the source is found, checkver prints a 64# header and a list of the names of the offending installed libraries. 65# 66# The header may be suppressed by passing "-q" as the first argument. 67# 68 69TMP=/tmp/checkver.$$ 70PROG="$(basename "$0")" 71# Can't trap 11 (SEGV) in the Real Bourne Shell, since it uses it for 72# internal malloc! 73trap "exit 2" 1 2 3 4 5 6 7 8 10 12 13 14 15 74trap "[ -d $TMP ] && rm -rf $TMP" 0 75 76Usage() { 77cat << EOF 1>&2 78Usage: $PROG [-q] [-v version_file] -d [installedlibdir [library name]] 79 $PROG [-q] [-v version_file] -s [setlistdir [library name]] 80 $PROG [-q] [-v version_file] -f liblistfile [library name] 81 $PROG is a script that looks for installed libraries with 82 versions greater than that in the version file. 83 For more information, read the comments. 84EOF 85 exit 1 86} 87 88basedir=/usr/src 89setsdir=$basedir/distrib/sets/lists 90libdir=/usr/lib 91shlib_version=./shlib_version 92 93error=0 94quiet=0 95usedir=0 96usefile=0 97usesets=0 98CWD=$(pwd) 99: ${AWK:=awk} 100 101fixone() { 102 eval $(${AWK} -v 'LIB=$1' ' 103BEGIN { 104 gsub(".*\.so\.", "", LIB); 105 split(LIB, VER, "."); 106 printf("local instmajor=%d\n", V[1] + 0); 107 printf("local instminor=%d\n", V[2] + 0); 108 printf("local instteeny=%d\n", V[3] + 0); 109}') 110 local ms="The following libraries have versions greater than the source" 111 112 # If they're greater than the source, complain. 113 if [ "0$major" -eq "0$instmajor" ]; then 114 if [ "0$minor" -eq "0$instminor" ]; then 115 if [ "0$teeny" -lt "0$instteeny" ]; then 116 if [ $error -eq 0 -a $quiet -eq 0 ]; then 117 echo "$ms" 1>&2 118 fi 119 echo $1 1>&2 120 error=1 121 fi 122 elif [ "0$minor" -lt "0$instminor" ]; then 123 if [ $error -eq 0 -a $quiet -eq 0 ]; then 124 echo "$ms" 1>&2 125 fi 126 echo $1 1>&2 127 error=1 128 fi 129 elif [ "0$major" -lt "0$instmajor" ]; then 130 if [ $error -eq 0 -a $quiet -eq 0 ]; then 131 echo "$ms" 1>&2 132 fi 133 echo $1 1>&2 134 error=1 135 fi 136} 137 138while getopts df:shqv: f; do 139 case $f in 140 d) usedir=1 141 if [ $usefile -eq 1 -o $usesets -eq 1 ]; then 142 Usage 143 fi;; 144 f) usefile=1; arg1=$OPTARG 145 if [ $usedir -eq 1 -o $usesets -eq 1 ]; then 146 Usage 147 fi;; 148 s) usesets=1 149 if [ $usedir -eq 1 -o $usefile -eq 1 ]; then 150 Usage 151 fi;; 152 v) shlib_version=$OPTARG;; 153 q) quiet=1;; 154 *) Usage;; 155 esac 156done 157 158shift $(($OPTIND - 1)) 159 160if [ $usedir -eq 0 -a $usefile -eq 0 -a $usesets -eq 0 ]; then 161 Usage 162fi 163 164if [ $usefile -eq 1 ]; then 165 LIBLIST="$arg1" 166else 167 if ! mkdir -m 0700 $TMP; then 168 echo "$PROG: Unable to create temp directory." 1>&2 169 exit 2 170 fi 171 LIBLIST=$TMP/libs.lst 172fi 173 174# Build list from the installed libraries. 175if [ $usedir -eq 1 ]; then 176 if [ -n "$1" ]; then 177 libdir="$1" 178 fi 179 for f in $libdir; do 180 ls $f/lib*.so.*.* 181 done > $LIBLIST 2> /dev/null 182fi 183 184# Build list from set lists. Parameter may be either 185# the "lists" directory or the top of the source tree. 186if [ $usesets -eq 1 ]; then 187 if [ -n "$1" ]; then 188 setsdir="$1" 189 if [ -d "$setsdir/distrib/sets/lists" ]; then 190 setsdir="$setsdir/distrib/sets/lists" 191 fi 192 fi 193 (cd $setsdir; 194 cat */[a-z]* | 195 grep '^./usr/lib/lib.*\.so\.[0-9][0-9]*\.[0-9][0-9]*' | 196 sort -u > $LIBLIST) 197fi 198 199# 200# The file $LIBLIST now contains a list of libraries. 201# 202if [ -z "$2" ]; then 203 makefile=$CWD/Makefile 204 libname=$(grep '^LIB=' $makefile | sed -e 's/^LIB=[[:space:]]*//') 205 206 # Assume the library name is the name of the current directory. 207 if [ -z "$libname" ]; then 208 libname=$(basename $CWD) 209 fi 210else 211 libname="$2" 212fi 213echo $libname | grep "^lib" 1>&2 2> /dev/null 214if [ $? != 0 ]; then 215 libname="lib$libname" 216fi 217 218 219if [ ! -f $shlib_version ]; then 220 echo "$PROG: unable to find $shlib_version" 1>&2 221 exit 2 222fi 223 224# Grab major and minor numbers from the source. 225. $shlib_version 226 227if [ -z "$minor" -o -z "$major" ]; then 228 echo "$PROG: $shlib_version doesn't contain the version." 1>&2 229 exit 2 230fi 231 232# Find every shared object library with the same base name. 233for instlib in $(grep $libname.so "$LIBLIST"); do 234 # Grab the major and minor from the installed library. 235 fixone "$instlib" 236done 237 238exit $error 239