#!/bin/sh -e # # update-ca-certificates # # Copyright (c) 2003 Fumitoshi UKAI <ukai@debian.or.jp> # Copyright (c) 2009 Philipp Kern <pkern@debian.org> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, # USA. # verbose=0 fresh=0 default=0 CERTSCONF=/etc/ca-certificates.conf CERTSDIR=/usr/share/ca-certificates LOCALCERTSDIR=/usr/local/share/ca-certificates CERTBUNDLE=ca-certificates.crt ETCCERTSDIR=/etc/ssl/certs HOOKSDIR=/etc/ca-certificates/update.d while [ $# -gt 0 ]; do case $1 in --verbose|-v) verbose=1;; --fresh|-f) fresh=1;; --default|-d) default=1 fresh=1;; --certsconf) shift CERTSCONF="$1";; --certsdir) shift CERTSDIR="$1";; --localcertsdir) shift LOCALCERTSDIR="$1";; --certbundle) shift CERTBUNDLE="$1";; --etccertsdir) shift ETCCERTSDIR="$1";; --hooksdir) shift HOOKSDIR="$1";; --help|-h|*) echo "$0: [--verbose] [--fresh]" exit;; esac shift done if [ ! -s "$CERTSCONF" ] then fresh=1 fi cleanup() { rm -f "$TEMPBUNDLE" rm -f "$ADDED" rm -f "$REMOVED" } trap cleanup 0 # Helper files. (Some of them are not simple arrays because we spawn # subshells later on.) TEMPBUNDLE="${ETCCERTSDIR}/${CERTBUNDLE}.new" ADDED="$(mktemp -p "${TMPDIR:-/tmp}" "ca-certificates.tmp.XXXXXX")" REMOVED="$(mktemp -p "${TMPDIR:-/tmp}" "ca-certificates.tmp.XXXXXX")" # Adds a certificate to the list of trusted ones. This includes a symlink # in /etc/ssl/certs to the certificate file and its inclusion into the # bundle. add() { CERT="$1" PEM="$ETCCERTSDIR/$(basename "$CERT" .crt | sed -e 's/ /_/g' \ -e 's/[()]/=/g' \ -e 's/,/_/g').pem" if ! test -e "$PEM" || [ "$(readlink "$PEM")" != "$CERT" ] then ln -sf "$CERT" "$PEM" echo "+$PEM" >> "$ADDED" fi # Add trailing newline to certificate, if it is missing (#635570) sed -e '$a\' "$CERT" >> "$TEMPBUNDLE" } remove() { CERT="$1" PEM="$ETCCERTSDIR/$(basename "$CERT" .crt).pem" if test -L "$PEM" then rm -f "$PEM" echo "-$PEM" >> "$REMOVED" fi } cd "$ETCCERTSDIR" if [ "$fresh" = 1 ]; then echo "Clearing symlinks in $ETCCERTSDIR..." find . -type l -print | while read -r symlink do case $(readlink "$symlink") in $CERTSDIR*|$LOCALCERTSDIR*) rm -f "$symlink";; esac done find . -type l -print | while read -r symlink do test -f "$symlink" || rm -f "$symlink" done echo "done." fi echo "Updating certificates in $ETCCERTSDIR..." # Add default certificate authorities if requested if [ "$default" = 1 ]; then find -L "$CERTSDIR" -type f -name '*.crt' | sort | while read -r crt do add "$crt" done fi # Handle certificates that should be removed. This is an explicit act # by prefixing lines in the configuration files with exclamation marks (!). sed -n -e '/^$/d' -e 's/^!//p' "$CERTSCONF" | while read -r crt do remove "$CERTSDIR/$crt" done sed -e '/^$/d' -e '/^#/d' -e '/^!/d' "$CERTSCONF" | while read -r crt do if ! test -f "$CERTSDIR/$crt" then echo "W: $CERTSDIR/$crt not found, but listed in $CERTSCONF." >&2 continue fi add "$CERTSDIR/$crt" done # Now process certificate authorities installed by the local system # administrator. if [ -d "$LOCALCERTSDIR" ] then find -L "$LOCALCERTSDIR" -type f -name '*.crt' | sort | while read -r crt do add "$crt" done fi ADDED_CNT=$(wc -l < "$ADDED") REMOVED_CNT=$(wc -l < "$REMOVED") if [ "$ADDED_CNT" -gt 0 ] || [ "$REMOVED_CNT" -gt 0 ] then # only run if set of files has changed # Remove orphan symlinks found in ETCCERTSDIR to prevent `openssl rehash` # from exiting with an error. See #895482, #895473. find "$ETCCERTSDIR" -type l ! -exec test -e {} \; -print | while read -r orphan do rm -f "$orphan" if [ "$verbose" = 1 ]; then echo "Removed orphan symlink $orphan" fi done if [ "$verbose" = 0 ] then openssl rehash . > /dev/null else openssl rehash -v . fi fi # chmod and mv only if TEMPBUNDLE exists or install may fail, #996005 if [ -f "$TEMPBUNDLE" ] then chmod 0644 "$TEMPBUNDLE" mv -f "$TEMPBUNDLE" "$CERTBUNDLE" # Restore proper SELinux label after moving the file [ -x /sbin/restorecon ] && /sbin/restorecon "$CERTBUNDLE" >/dev/null 2>&1 fi echo "$ADDED_CNT added, $REMOVED_CNT removed; done." if [ -d "$HOOKSDIR" ] then echo "Running hooks in $HOOKSDIR..." VERBOSE_ARG= [ "$verbose" = 0 ] || VERBOSE_ARG="--verbose" eval run-parts "$VERBOSE_ARG" --test -- "$HOOKSDIR" | while read -r hook do ( cat "$ADDED" cat "$REMOVED" ) | "$hook" || echo "E: $hook exited with code $?." done echo "done." fi # vim:set et sw=2: