7a3ba9ecb7
from the default shipped one, and the rest of the test in do_wscons() is to detect obsolete wscons.conf(5) directives on systems with a wscons.conf from an older release / source tree.
672 lines
14 KiB
Bash
Executable File
672 lines
14 KiB
Bash
Executable File
#!/bin/sh
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#
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# $NetBSD: postinstall,v 1.23 2002/06/29 22:25:23 lukem Exp $
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#
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# Copyright (c) 2002 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 Luke Mewburn.
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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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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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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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# postinstall
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# check for or fix configuration changes that occur
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# over time as NetBSD evolves.
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#
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#
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# checks to add:
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# - sysctl(8) renames
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# - postfix config
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# - de* -> tlp* migration (/etc/ifconfig.de*, $ifconfig_de*,
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# dhclient.conf, ...) ?
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# - support quiet/verbose mode ?
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# - check obsolete file lists -- need to remove non obsolete files from
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# the sets first.
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#
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#
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# helper functions
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#
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err()
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{
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exitval=$1
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shift
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echo 1>&2 "${PROGNAME}: $*"
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exit ${exitval}
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}
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warn()
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{
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echo 1>&2 "${PROGNAME}: $*"
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}
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msg()
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{
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echo " $*"
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}
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# additem item description
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# add item to list of supported items to check/fix
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#
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additem()
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{
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[ $# -eq 2 ] || err 2 "USAGE: additem item description"
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items="${items}${items:+ }$1"
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eval desc_$1=\"$2\"
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}
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# checkdir op dir mode
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# ensure dir exists, and if not, create it with the appropriate mode.
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# returns 0 if ok, 1 otherwise.
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#
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check_dir()
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{
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[ $# -eq 3 ] || err 2 "USAGE: check_dir op dir mode"
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_cdop=$1
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_cddir=$2
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_cdmode=$3
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[ -d "${_cddir}" ] && return 0
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if [ "${_cdop}" = "check" ]; then
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msg "${_cddir} is not a directory"
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return 1
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elif ! mkdir -m "${_cdmode}" "${_cddir}" ; then
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msg "Can't create missing ${_cddir}"
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return 1
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else
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msg "Missing ${_cddir} created"
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fi
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return 0
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}
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# check_ids op type file id [...]
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# check if file of type "users" or "groups" contains the relevant ids
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# returns 0 if ok, 1 otherwise.
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#
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check_ids()
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{
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[ $# -ge 4 ] || err 2 "USAGE: checks_ids op type file id [...]"
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_op=$1
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_type=$2
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_file=$3
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shift 3
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_ids=$*
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if [ ! -f "${_file}" ]; then
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msg "${_file} doesn't exist; can't check for missing ${_type}"
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return 1
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fi
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if [ ! -r "${_file}" ]; then
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msg "${_file} is not readable; can't check for missing ${_type}"
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return 1
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fi
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_missing=$(awk -F: '
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BEGIN {
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for (x = 1; x < ARGC; x++)
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idlist[ARGV[x]]++
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ARGC=1
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}
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{
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found[$1]++
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}
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END {
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for (id in idlist) {
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if (! (id in found))
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print id
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}
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}
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' ${_ids} < ${_file}) || return 1
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if [ -n "${_missing}" ]; then
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msg "Missing ${_type}:" $(echo ${_missing})
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return 1
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fi
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return 0
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}
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# compare_dir op src dest mode file [file ...]
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# perform op ("check" or "fix") on files in src/ against dest/
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# returns 0 if ok, 1 otherwise.
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#
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compare_dir()
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{
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[ $# -ge 5 ] || err 2 "USAGE: compare_dir op src dest mode file [...]"
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_op=$1
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_src=$2
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_dest=$3
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_mode=$4
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shift 4
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_files=$*
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if [ ! -d "${_src}" ]; then
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msg "${_src} is not a directory; skipping check"
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return 1
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fi
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check_dir ${_op} ${_dest} 755 || return 1
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_cmpdir_rv=0
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for f in ${_files}; do
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fs=${_src}/${f}
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fd=${_dest}/${f}
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error=""
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if [ ! -f "${fd}" ]; then
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error="${fd} does not exist"
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elif ! cmp -s ${fs} ${fd} ; then
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error="${fd} != ${fs}"
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else
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continue
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fi
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if [ "${_op}" = "check" ]; then
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msg ${error}
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_cmpdir_rv=1
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elif ! cp -f ${fs} ${fd}; then
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msg "Can't copy ${fs} to ${fd}"
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_cmpdir_rv=1
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elif ! chmod ${_mode} ${fd}; then
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msg "Can't change mode of ${fd} to ${_mode}"
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_cmpdir_rv=1
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else
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msg "Copied ${fs} to ${fd}"
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fi
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done
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return ${_cmpdir_rv}
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}
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# move_file op src dest --
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# check (op == "check") or move (op != "check") from src to dest.
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# returns 0 if ok, 1 otherwise.
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#
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move_file()
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{
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[ $# -eq 3 ] || err 2 "USAGE: move_file op src dest"
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_fm_op=$1
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_fm_src=$2
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_fm_dest=$3
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if [ -f "${_fm_src}" -a ! -f "${_fm_dest}" ]; then
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if [ "${_fm_op}" = "check" ]; then
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msg "Move ${_fm_src} to ${_fm_dest}"
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return 1
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fi
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if ! mv ${_fm_src} ${_fm_dest}; then
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msg "Can't move ${_fm_src} to ${_fm_dest}"
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return 1
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fi
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msg "Moved ${_fm_src} to ${_fm_dest}"
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fi
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return 0
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}
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# rcconf_is_set name var --
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# load the rcconf for name, and check if obsolete rc.conf(5) variable
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# var is defined or not.
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# returns 0 if defined (even to ""), otherwise 1.
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#
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rcconf_is_set()
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{
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[ $# -eq 2 ] || err 2 "USAGE: rcconf_is_set name var"
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_name=$1
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_var=$2
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(
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for f in \
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${DEST_DIR}/etc/rc.conf \
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${DEST_DIR}/etc/rc.conf.d/${_name}; do
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[ -f "${f}" ] && . "${f}";
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done
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if eval "[ -n \"\${${_var}}\" \
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-o \"\${${_var}-UNSET}\" != \"UNSET\" ]"; then
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msg "Obsolete rc.conf(5) variable '\$${_var}' found."
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exit 0
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else
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exit 1
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fi
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)
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}
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#
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# items
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# -----
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#
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#
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# defaults
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#
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additem defaults "/etc/defaults being up to date"
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do_defaults()
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{
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[ -n "$1" ] || err 2 "USAGE: do_defaults fix|check"
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compare_dir $1 ${SRC_DIR}/etc/defaults ${DEST_DIR}/etc/defaults 444 \
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daily.conf monthly.conf rc.conf security.conf weekly.conf
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}
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#
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# mtree
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#
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additem mtree "/etc/mtree being up to date"
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do_mtree()
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{
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[ -n "$1" ] || err 2 "USAGE: do_mtree fix|check"
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compare_dir $1 ${SRC_DIR}/etc/mtree ${DEST_DIR}/etc/mtree 444 \
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NetBSD.dist special
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}
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#
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# gid
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#
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additem gid "required GIDs"
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do_gid()
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{
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[ -n "$1" ] || err 2 "USAGE: do_gid fix|check"
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check_ids $1 groups "${DEST_DIR}/etc/group" \
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named ntpd sshd smmsp
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return $?
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}
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#
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# uid
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#
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additem uid "required UIDs"
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do_uid()
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{
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[ -n "$1" ] || err 2 "USAGE: do_uid fix|check"
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check_ids $1 users "${DEST_DIR}/etc/master.passwd" \
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named ntpd sshd smmsp
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return $?
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}
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#
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# periodic
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#
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additem periodic "/etc/{daily,weekly,monthly,security} being up to date"
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do_periodic()
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{
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[ -n "$1" ] || err 2 "USAGE: do_periodic fix|check"
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compare_dir $1 ${SRC_DIR}/etc ${DEST_DIR}/etc 644 \
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daily weekly monthly security
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}
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#
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# rc
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#
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additem rc "/etc/rc* and /etc/rc.d/ being up to date"
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do_rc()
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{
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[ -n "$1" ] || err 2 "USAGE: do_rc fix|check"
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op=$1
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failed=0
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compare_dir ${op} ${SRC_DIR}/etc ${DEST_DIR}/etc 644 \
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rc rc.subr rc.shutdown
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failed=$(( ${failed} + $? ))
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compare_dir ${op} ${SRC_DIR}/etc/rc.d ${DEST_DIR}/etc/rc.d 555 \
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DAEMON LOGIN NETWORKING SERVERS accounting altqd amd \
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apmd bootparams bootconf.sh ccd cleartmp cron \
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dhclient dhcpd dhcrelay dmesg downinterfaces fsck \
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ifwatchd inetd ipfilter ipfs ipmon ipnat ipsec isdnd \
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kdc ldconfig lkm1 lkm2 lkm3 local lpd mopd motd \
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mountall mountcritlocal mountcritremote mountd moused \
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mrouted named ndbootd network newsyslog nfsd \
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nfslocking ntpd ntpdate poffd postfix ppp pwcheck \
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quota racoon rpcbind raidframe rarpd rbootd root \
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route6d routed rtadvd rtsold rwho savecore \
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screenblank sendmail securelevel sshd swap1 swap2 \
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sysdb sysctl syslogd timed ttys virecover wscons xdm \
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xfs ypbind yppasswdd ypserv
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failed=$(( ${failed} + $? ))
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# check for obsolete rc.d files
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for f in NETWORK gated; do
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fd=${DEST_DIR}/etc/rc.d/${f}
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[ ! -e "${fd}" ] && continue
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if [ "${op}" = "check" ]; then
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msg "Remove obsolete ${fd}"
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failed=1
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elif ! rm ${fd}; then
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msg "Can't remove obsolete ${fd}"
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failed=1
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else
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msg "Removed obsolete ${fd}"
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fi
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done
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# check for obsolete rc.conf(5) variables
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set -- amd amd_master \
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mountcritlocal critical_filesystems_beforenet \
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mountcritremote critical_filesystems \
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network ip6forwarding \
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sysctl defcorename \
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sysctl nfsiod_flags
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while [ $# -gt 1 ]; do
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if rcconf_is_set $1 $2; then
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failed=1
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fi
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shift 2
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done
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return ${failed}
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}
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#
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# ssh
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#
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additem ssh "ssh configuration update"
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do_ssh()
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{
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[ -n "$1" ] || err 2 "USAGE: do_ssh fix|check"
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op=$1
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failed=0
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_etcssh=${DEST_DIR}/etc/ssh
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if ! check_dir ${op} ${_etcssh} 755; then
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failed=1
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fi
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if [ ${failed} -eq 0 ]; then
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for f in \
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ssh_known_hosts ssh_known_hosts2 \
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ssh_host_dsa_key ssh_host_dsa_key.pub \
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ssh_host_rsa_key ssh_host_rsa_key.pub \
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ssh_host_key ssh_host_key.pub \
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; do
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if ! move_file ${op} \
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${DEST_DIR}/etc/${f} ${_etcssh}/${f} ;
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then
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failed=1
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fi
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done
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for f in sshd.conf ssh.conf ; do
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# /etc/ssh/ssh{,d}.conf -> ssh{,d}_config
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#
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if ! move_file ${op} \
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${_etcssh}/${f} ${_etcssh}/${f%.conf}_config ;
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then
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failed=1
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fi
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# /etc/ssh{,d}.conf -> /etc/ssh/ssh{,d}_config
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#
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if ! move_file ${op} \
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${DEST_DIR}/etc/${f} ${_etcssh}/${f%.conf}_config ;
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then
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failed=1
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fi
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done
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fi
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sshdconf=""
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for f in \
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${_etcssh}/sshd_config \
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${_etcssh}/sshd.conf \
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${DEST_DIR}/etc/sshd.conf ; do
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if [ -f "${f}" ]; then
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sshdconf=${f}
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break;
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fi
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done
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if [ -n "${sshdconf}" ]; then
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awk '
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$1 ~ /^[Hh][Oo][Ss][Tt][Kk][Ee][Yy]$/ &&
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$2 ~ /^\/etc\/+ssh_host(_[dr]sa)?_key$/ {
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sub(/\/etc\/+/, "/etc/ssh/");
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}
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{ print }
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' < ${sshdconf} > ${SCRATCHDIR}/sshd_config
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if ! cmp -s ${sshdconf} ${SCRATCHDIR}/sshd_config; then
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diff ${sshdconf} ${SCRATCHDIR}/sshd_config > \
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${SCRATCHDIR}/sshd_config.diffs
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if [ "${op}" = "check" ]; then
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msg "${sshdconf} needs the following changes:"
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failed=1
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elif ! cp -f ${SCRATCHDIR}/sshd_config ${sshdconf}; then
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msg "${sshdconf} changes not applied:"
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failed=1
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else
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msg "${sshdconf} changes applied:"
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fi
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|
while read _line; do
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msg " ${_line}"
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done < ${SCRATCHDIR}/sshd_config.diffs
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fi
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|
fi
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if ! check_dir "${op}" "${DEST_DIR}/var/chroot/sshd" 755 ; then
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failed=1
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fi
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if rcconf_is_set sshd sshd_conf_dir ; then
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failed=1
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fi
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return ${failed}
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}
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#
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# wscons
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#
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additem wscons "wscons configuration file update"
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do_wscons()
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{
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[ -n "$1" ] || err 2 "USAGE: do_wscons fix|check"
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op=$1
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[ -f ${DEST_DIR}/etc/wscons.conf ] || return 0
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failed=0
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while read _type _arg1 _rest; do
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if [ "${_type}" = "mux" -a "${_arg1}" = "1" ]; then
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msg \
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"Obsolete wscons.conf(5) entry \""${_type} ${_arg1}"\" found."
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failed=1
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fi
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done < ${DEST_DIR}/etc/wscons.conf
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return ${failed}
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}
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|
|
#
|
|
# makedev
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#
|
|
additem makedev "/dev/MAKEDEV being up to date"
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|
do_makedev()
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{
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[ -n "$1" ] || err 2 "USAGE: do_makedev fix|check"
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|
compare_dir $1 ${SRC_DIR}/etc/etc.${MACHINE} \
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${DEST_DIR}/dev 555 MAKEDEV || return 1
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if [ "${op}" = "fix" ]; then
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(cd ${DEST_DIR}/dev; /bin/sh ./MAKEDEV all)
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fi
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}
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#
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|
# end of items
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|
# ------------
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|
#
|
|
|
|
|
|
usage()
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|
{
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|
cat 1>&2 << _USAGE_
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|
Usage: ${PROGNAME} [-s srcdir] [-d destdir] operation [item [...]]
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|
Perform post-installation checks and/or fixes on a system's
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|
configuration files. If no items are provided, all checks
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or fixes are applied.
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|
|
|
Options:
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-s srcdir Source directory to compare from. [${SRC_DIR:-/}]
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-d destdir Destination directory to check. [${DEST_DIR:-/}]
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|
|
Operation may be one of:
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help display this help
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list list available items
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check perform post-installation checks on items
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|
fix apply fixes that 'check' determines need to be applied
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|
usage display this usage
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|
_USAGE_
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|
exit 1
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}
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|
|
|
|
|
list()
|
|
{
|
|
echo "Supported items:"
|
|
echo " Item Description"
|
|
echo " ---- -----------"
|
|
for i in ${items}; do
|
|
eval desc="\${desc_${i}}"
|
|
printf " %-12s %s\n" "${i}" "${desc}"
|
|
done
|
|
}
|
|
|
|
|
|
main()
|
|
{
|
|
while getopts s:d: ch; do
|
|
case ${ch} in
|
|
s)
|
|
SRC_DIR=${OPTARG} ;;
|
|
d)
|
|
DEST_DIR=${OPTARG} ;;
|
|
*)
|
|
usage ;;
|
|
esac
|
|
done
|
|
shift $((${OPTIND} - 1))
|
|
[ $# -gt 0 ] || usage
|
|
|
|
[ -d "${SRC_DIR}" ] || err 1 "${SRC_DIR} is not a directory"
|
|
[ -d "${DEST_DIR}" ] || err 1 "${DEST_DIR} is not a directory"
|
|
|
|
# If directories are /, clear them, so various messages
|
|
# don't have leading "//". However, this requires
|
|
# the use of ${foo:-/} to display the variables.
|
|
#
|
|
[ "${SRC_DIR}" = "/" ] && SRC_DIR=""
|
|
[ "${DEST_DIR}" = "/" ] && DEST_DIR=""
|
|
|
|
op=$1
|
|
shift
|
|
|
|
case "${op}" in
|
|
|
|
usage|help)
|
|
usage
|
|
;;
|
|
|
|
list)
|
|
echo "Source directory: ${SRC_DIR:-/}"
|
|
echo "Target directory: ${DEST_DIR:-/}"
|
|
list
|
|
;;
|
|
|
|
check|fix)
|
|
todo=$*
|
|
: ${todo:=${items}}
|
|
|
|
# ensure that all supplied items are valid
|
|
#
|
|
for i in ${todo}; do
|
|
eval desc=\"\${desc_${i}}\"
|
|
[ -n "${desc}" ] || err 1 "Unsupported ${op} '"${i}"'"
|
|
done
|
|
|
|
# perform each check/fix
|
|
#
|
|
echo "Source directory: ${SRC_DIR:-/}"
|
|
echo "Target directory: ${DEST_DIR:-/}"
|
|
items_passed=
|
|
items_failed=
|
|
for i in ${todo}; do
|
|
echo "${i} ${op}:"
|
|
( eval do_${i} ${op} )
|
|
if [ $? -eq 0 ]; then
|
|
items_passed="${items_passed} ${i}"
|
|
else
|
|
items_failed="${items_failed} ${i}"
|
|
fi
|
|
done
|
|
|
|
if [ "${op}" = "check" ]; then
|
|
plural="checks"
|
|
else
|
|
plural="fixes"
|
|
fi
|
|
|
|
echo "${PROGNAME} ${plural} passed:${items_passed}"
|
|
echo "${PROGNAME} ${plural} failed:${items_failed}"
|
|
|
|
;;
|
|
|
|
*)
|
|
warn "Unknown operation '"${op}"'"
|
|
usage
|
|
;;
|
|
|
|
esac
|
|
}
|
|
|
|
mkdtemp ()
|
|
{
|
|
# Make sure we don't loop forever if mkdir will always fail.
|
|
[ -d /tmp ] || err 1 /tmp is not a directory
|
|
[ -w /tmp ] || err 1 /tmp is not writeable
|
|
|
|
_base=/tmp/_postinstall.$$
|
|
_serial=0
|
|
|
|
while true; do
|
|
_dir=${_base}.${_serial}
|
|
mkdir -m 0700 ${_dir} && break
|
|
_serial=$((${_serial} + 1))
|
|
done
|
|
echo ${_dir}
|
|
}
|
|
|
|
# defaults
|
|
#
|
|
PROGNAME=${0##*/}
|
|
SRC_DIR="/usr/src"
|
|
DEST_DIR="/"
|
|
SCRATCHDIR=$( mkdtemp ) || err 1 "Can't create scratch directory"
|
|
: ${MACHINE:=$( uname -m )} # assume native build if $MACHINE is not set
|
|
trap "/bin/rm -rf ${SCRATCHDIR} ; exit 0" 0 1 2 3 15 # EXIT HUP INT QUIT TERM
|
|
umask 022
|
|
|
|
main $*
|
|
exit 0
|