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#!/bin/sh
#
# update-ca-certificates script for embedded systems.
#
# Copyright (C) 2009 Phil Sutter <phil@nwl.cc>
#
# 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 02110-1301 USA
CRTCONF=/etc/ca-certificates.conf
CRTDIR=/usr/share/ca-certificates
LNKDIR=/etc/ssl/certs
OPENSSL="openssl"
cert_type() { # (certfile)
grep -qE '^-----BEGIN (X509 |TRUSTED |)CERTIFICATE-----' $1 && {
echo "cert"
return 0
}
grep -qE '^-----BEGIN X509 CRL-----' $1 && {
echo "crl"
return 0
}
echo "unknown"
return 1
}
${OPENSSL} version >/dev/null 2>&1 || {
echo "Fatal: no openssl executable found, bailing out"
exit 1
}
for l in $(ls ${DESTDIR}${LNKDIR}/* 2>/dev/null); do
[ -L "$l" ] && rm -f "$l"
done
cat ${DESTDIR}$CRTCONF | while read crt; do
[ -n "$crt" ] || continue
[[ "$crt" = -* ]] && continue
cname="$(basename $crt)"
ln -s ${CRTDIR}/$crt ${DESTDIR}${LNKDIR}/$cname
ctype="$(cert_type ${DESTDIR}${CRTDIR}/$crt)"
case $ctype in
cert)
sslcmd="x509"
pfx=""
;;
crl)
sslcmd="crl"
pfx="r"
;;
*)
echo "Warning: ignoring unknown filetype ${DESTDIR}${CRTDIR}/$crt"
continue
;;
esac
hsh="$(${OPENSSL} $sslcmd -hash -noout -in ${DESTDIR}${CRTDIR}/$crt)"
idx=0
while [ -e ${DESTDIR}${LNKDIR}/${hsh}.${pfx}${idx} ]; do
let "idx++"
done
ln -s ${CRTDIR}/$crt ${DESTDIR}${LNKDIR}/${hsh}.${pfx}${idx}
done
exit 0
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