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#!/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: