"Oops" - ln(1) is fine and dandy, but when you're using DESTDIR...it's not- the path will almost certainly be invalid once the root you've just installed to is relocated, perhaps to /. Switch to install(1) using `-l rs` to calculate the relative symlink between the two, which should work just fine in all cases. MFC after: 1 week
241 lines
6.1 KiB
Bash
Executable File
241 lines
6.1 KiB
Bash
Executable File
#!/bin/sh
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#-
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright 2018 Allan Jude <allanjude@freebsd.org>
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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 providing 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# 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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# $FreeBSD$
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############################################################ CONFIGURATION
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: ${DESTDIR:=}
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: ${TRUSTPATH:=${DESTDIR}/usr/share/certs/trusted:${DESTDIR}/usr/local/share/certs:${DESTDIR}/usr/local/etc/ssl/certs}
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: ${BLACKLISTPATH:=${DESTDIR}/usr/share/certs/blacklisted:${DESTDIR}/usr/local/etc/ssl/blacklisted}
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: ${CERTDESTDIR:=${DESTDIR}/etc/ssl/certs}
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: ${BLACKLISTDESTDIR:=${DESTDIR}/etc/ssl/blacklisted}
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: ${EXTENSIONS:="*.pem *.crt *.cer *.crl *.0"}
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: ${VERBOSE:=0}
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############################################################ GLOBALS
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SCRIPTNAME="${0##*/}"
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ERRORS=0
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NOOP=0
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############################################################ FUNCTIONS
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do_hash()
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{
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local hash
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if hash=$( openssl x509 -noout -subject_hash -in "$1" ); then
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echo "$hash"
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return 0
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else
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echo "Error: $1" >&2
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ERRORS=$(( $ERRORS + 1 ))
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return 1
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fi
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}
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create_trusted_link()
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{
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local hash
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hash=$( do_hash "$1" ) || return
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if [ -e "$BLACKLISTDESTDIR/$hash.0" ]; then
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echo "Skipping blacklisted certificate $1 ($BLACKLISTDESTDIR/$hash.0)"
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return 1
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fi
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[ $VERBOSE -gt 0 ] && echo "Adding $hash.0 to trust store"
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[ $NOOP -eq 0 ] && install -lrs $(realpath "$1") "$CERTDESTDIR/$hash.0"
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}
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create_blacklisted()
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{
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local hash srcfile filename
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# If it exists as a file, we'll try that; otherwise, we'll scan
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if [ -e "$1" ]; then
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hash=$( do_hash "$1" ) || return
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srcfile=$(realpath "$1")
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filename="$hash.0"
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elif [ -e "${CERTDESTDIR}/$1" ]; then
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srcfile=$(realpath "${CERTDESTDIR}/$1")
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filename="$1"
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else
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return
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fi
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[ $VERBOSE -gt 0 ] && echo "Adding $filename to blacklist"
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[ $NOOP -eq 0 ] && install -lrs "$srcfile" "$BLACKLISTDESTDIR/$filename"
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}
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do_scan()
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{
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local CFUNC CSEARCH CPATH CFILE
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local oldIFS="$IFS"
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CFUNC="$1"
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CSEARCH="$2"
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IFS=:
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set -- $CSEARCH
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IFS="$oldIFS"
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for CPATH in "$@"; do
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[ -d "$CPATH" ] || continue
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echo "Scanning $CPATH for certificates..."
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cd "$CPATH"
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for CFILE in $EXTENSIONS; do
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[ -e "$CFILE" ] || continue
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[ $VERBOSE -gt 0 ] && echo "Reading $CFILE"
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"$CFUNC" "$CPATH/$CFILE"
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done
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cd -
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done
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}
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do_list()
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{
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local CFILE subject
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if [ -e "$1" ]; then
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cd "$1"
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for CFILE in *.0; do
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if [ ! -s "$CFILE" ]; then
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echo "Unable to read $CFILE" >&2
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ERRORS=$(( $ERRORS + 1 ))
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continue
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fi
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subject=
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if [ $VERBOSE -eq 0 ]; then
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subject=$( openssl x509 -noout -subject -nameopt multiline -in "$CFILE" |
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sed -n '/commonName/s/.*= //p' )
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fi
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[ "$subject" ] ||
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subject=$( openssl x509 -noout -subject -in "$CFILE" )
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printf "%s\t%s\n" "$CFILE" "$subject"
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done
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cd -
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fi
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}
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cmd_rehash()
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{
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[ $NOOP -eq 0 ] && rm -rf "$CERTDESTDIR"
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[ $NOOP -eq 0 ] && mkdir -p "$CERTDESTDIR"
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[ $NOOP -eq 0 ] && mkdir -p "$BLACKLISTDESTDIR"
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do_scan create_blacklisted "$BLACKLISTPATH"
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do_scan create_trusted_link "$TRUSTPATH"
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}
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cmd_list()
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{
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echo "Listing Trusted Certificates:"
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do_list "$CERTDESTDIR"
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}
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cmd_blacklist()
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{
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local BPATH
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shift # verb
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[ $NOOP -eq 0 ] && mkdir -p "$BLACKLISTDESTDIR"
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for BFILE in "$@"; do
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echo "Adding $BFILE to blacklist"
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create_blacklisted "$BFILE"
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done
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}
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cmd_unblacklist()
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{
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local BFILE hash
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shift # verb
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for BFILE in "$@"; do
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if [ -s "$BFILE" ]; then
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hash=$( do_hash "$BFILE" )
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echo "Removing $hash.0 from blacklist"
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[ $NOOP -eq 0 ] && rm -f "$BLACKLISTDESTDIR/$hash.0"
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elif [ -e "$BLACKLISTDESTDIR/$BFILE" ]; then
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echo "Removing $BFILE from blacklist"
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[ $NOOP -eq 0 ] && rm -f "$BLACKLISTDESTDIR/$BFILE"
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else
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echo "Cannot find $BFILE" >&2
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ERRORS=$(( $ERRORS + 1 ))
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fi
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done
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}
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cmd_blacklisted()
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{
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echo "Listing Blacklisted Certificates:"
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do_list "$BLACKLISTDESTDIR"
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}
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usage()
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{
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exec >&2
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echo "Manage the TLS trusted certificates on the system"
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echo " $SCRIPTNAME [-v] list"
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echo " List trusted certificates"
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echo " $SCRIPTNAME [-v] blacklisted"
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echo " List blacklisted certificates"
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echo " $SCRIPTNAME [-nv] rehash"
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echo " Generate hash links for all certificates"
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echo " $SCRIPTNAME [-nv] blacklist <file>"
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echo " Add <file> to the list of blacklisted certificates"
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echo " $SCRIPTNAME [-nv] unblacklist <file>"
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echo " Remove <file> from the list of blacklisted certificates"
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exit 64
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}
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############################################################ MAIN
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while getopts nv flag; do
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case "$flag" in
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n) NOOP=1 ;;
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v) VERBOSE=$(( $VERBOSE + 1 )) ;;
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esac
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done
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shift $(( $OPTIND - 1 ))
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[ $# -gt 0 ] || usage
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case "$1" in
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list) cmd_list ;;
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rehash) cmd_rehash ;;
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blacklist) cmd_blacklist "$@" ;;
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unblacklist) cmd_unblacklist "$@" ;;
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blacklisted) cmd_blacklisted ;;
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*) usage # NOTREACHED
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esac
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retval=$?
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[ $ERRORS -gt 0 ] && echo "Encountered $ERRORS errors" >&2
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exit $retval
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################################################################################
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# END
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################################################################################
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