1#!/bin/sh 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) September 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin. 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29# updatedb - update locate database for local mounted filesystems 30# 31# $FreeBSD: head/usr.bin/locate/locate/updatedb.sh 326276 2017-11-27 15:37:16Z pfg $ 32 33if [ "$(id -u)" = "0" ]; then 34 echo ">>> WARNING" 1>&2 35 echo ">>> Executing updatedb as root. This WILL reveal all filenames" 1>&2 36 echo ">>> on your machine to all login users, which is a security risk." 1>&2 37fi 38: ${LOCATE_CONFIG="/etc/locate.rc"} 39if [ -f "$LOCATE_CONFIG" -a -r "$LOCATE_CONFIG" ]; then 40 . $LOCATE_CONFIG 41fi 42 43# The directory containing locate subprograms 44: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR 45: ${TMPDIR:=/tmp}; export TMPDIR 46if ! TMPDIR=`mktemp -d $TMPDIR/locateXXXXXXXXXX`; then 47 exit 1 48fi 49 50PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH 51 52 53: ${mklocatedb:=locate.mklocatedb} # make locate database program 54: ${FCODES:=/var/db/locate.database} # the database 55: ${PRUNEPATHS:="/tmp /usr/tmp /var/tmp"} # unwanted directories 56: ${PRUNEDIRS:=".git"} # unwanted directories, in any parent 57# allowed filesystems 58: ${FILESYSTEMS:="$(lsvfs | tail -n +3 | \ 59 egrep -vw 'loopback|network|synthetic|read-only|0' | \ 60 cut -d ' ' -f1)"} 61# directories to be searched to create the database 62: ${SEARCHPATHS:="/"} 63# the find program and its options 64: ${FIND:="find"} 65 66if [ -z "$SEARCHPATHS" ]; then 67 echo "$0: empty variable SEARCHPATHS" >&2; exit 1 68fi 69if [ -z "$FILESYSTEMS" ]; then 70 echo "$0: empty variable FILESYSTEMS" >&2; exit 1 71fi 72ROOTFS="$(df -T / | awk '$NF=="/" { print $2 }')" 73if ! echo "$FILESYSTEMS" | grep -qw "$ROOTFS"; then 74 echo "WARNING: root filesystem '$ROOTFS' was excluded" >&2 75fi 76 77# Make a list a paths to exclude in the locate run 78excludes="! (" 79or="" 80for fstype in $FILESYSTEMS; do 81 excludes="$excludes $or -fstype $fstype" 82 or="-or" 83done 84excludes="$excludes ) -prune" 85 86if [ -n "$PRUNEPATHS" ]; then 87 for path in $PRUNEPATHS; do 88 excludes="$excludes -or -path $path -prune" 89 done 90fi 91 92if [ -n "$PRUNEDIRS" ]; then 93 for dir in $PRUNEDIRS; do 94 excludes="$excludes -or -name $dir -type d -prune" 95 done 96fi 97 98tmp=$TMPDIR/_updatedb$$ 99trap 'rm -f $tmp; rmdir $TMPDIR' 0 1 2 3 5 10 15 100 101# search locally 102echo $FIND $SEARCHPATHS $excludes -or -print 103if $FIND $SEARCHPATHS $excludes -or -print 2>/dev/null | \ 104 sort | uniq | $mklocatedb -presort > $tmp 105then 106 if [ "$(stat -f '%z' $tmp)" -lt "257" ]; then 107 echo "updatedb: locate database $tmp is empty" >&2 108 exit 1 109 else 110 # Use "cat" instead of "cp", since the permission of the 111 # database is set up the by caller (i.e., peridoic task) 112 # which has privilege, while this tool should be run as 113 # a non-privilege user. 114 cat $tmp > $FCODES 115 echo "updatedb: built new locate database: $FCODES" 116 fi 117fi 118