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 69 TMP=/tmp/checkver.$$ 70 PROG="$(basename "$0")" 71 # Can't trap 11 (SEGV) in the Real Bourne Shell, since it uses it for 72 # internal malloc! 73 trap "exit 2" 1 2 3 4 5 6 7 8 10 12 13 14 15 74 trap "[ -d $TMP ] && rm -rf $TMP" 0 75 76 Usage() { 77 cat << EOF 1>&2 78 Usage: $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 $PROG is a script that looks for installed libraries with 82 versions greater than that in the version file. 83 For more information, read the comments. 84 EOF 85 exit 1 86 } 87 88 basedir=/usr/src 89 setsdir=$basedir/distrib/sets/lists 90 libdir=/usr/lib 91 shlib_version=./shlib_version 92 93 error=0 94 quiet=0 95 usedir=0 96 usefile=0 97 usesets=0 98 CWD=$(pwd) 99 : ${AWK:=awk} 100 101 fixone() { 102 eval $(${AWK} -v 'LIB=$1' ' 103 BEGIN { 104 gsub(".*\.so\.", "", LIB); 105 split(LIB, VER, "."); 106 printf("local instmajor=%d\n", V[1] + 0); 107 printf("local instminor=%d\n", V[2] + 0); 108 printf("local instteeny=%d\n", V[3] + 0); 109 }') 110 local ms="The following libraries have versions greater than the source" 111 112 # If they're greater than the source, complain. 113 if [ "0$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 } 137 138 while 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 156 done 157 158 shift $(($OPTIND - 1)) 159 160 if [ $usedir -eq 0 -a $usefile -eq 0 -a $usesets -eq 0 ]; then 161 Usage 162 fi 163 164 if [ $usefile -eq 1 ]; then 165 LIBLIST="$arg1" 166 else 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 172 fi 173 174 # Build list from the installed libraries. 175 if [ $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 182 fi 183 184 # Build list from set lists. Parameter may be either 185 # the "lists" directory or the top of the source tree. 186 if [ $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) 197 fi 198 199 # 200 # The file $LIBLIST now contains a list of libraries. 201 # 202 if [ -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 210 else 211 libname="$2" 212 fi 213 echo $libname | grep "^lib" 1>&2 2> /dev/null 214 if [ $? != 0 ]; then 215 libname="lib$libname" 216 fi 217 218 219 if [ ! -f $shlib_version ]; then 220 echo "$PROG: unable to find $shlib_version" 1>&2 221 exit 2 222 fi 223 224 # Grab major and minor numbers from the source. 225 . $shlib_version 226 227 if [ -z "$minor" -o -z "$major" ]; then 228 echo "$PROG: $shlib_version doesn't contain the version." 1>&2 229 exit 2 230 fi 231 232 # Find every shared object library with the same base name. 233 for instlib in $(grep $libname.so "$LIBLIST"); do 234 # Grab the major and minor from the installed library. 235 fixone "$instlib" 236 done 237 238 exit $error 239