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|
#!/bin/sh
#
# This shell script will generate an X509 certificate for
# your gnunet-gns-proxy and install it (for both GNUnet
# and your browser).
#
# TODO: Implement support for more browsers
# TODO: Debug and switch to the new version
# TODO - The only remaining task is fixing the getopts
# TODO: Error checks
#
# The current version partially reuses and recycles
# code from build.sh by NetBSD (although not entirely
# used because it needs debugging):
#
# Copyright (c) 2001-2011 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to
# The NetBSD Foundation by Todd Vierling and Luke Mewburn.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
# 1. Redistributions of source code must retain the above
# copyright notice, this list of conditions and the following
# disclaimer.
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
# CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED.
# IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
dir=$(dirname "$0")
if test -e @PKGDATADIRECTORY@/progname.sh
then
. @PKGDATADIRECTORY@/progname.sh
else
. $dir/../../contrib/build-common/sh/lib.sh/progname.sh
fi
if test -e @PKGDATADIRECTORY@/existence.sh
then
. @PKGDATADIRECTORY@/existence.sh
else
. $dir/../../contrib/build-common/sh/lib.sh/existence.sh
fi
if test -e @PKGDATADIRECTORY@/msg.sh
then
. @PKGDATADIRECTORY@/msg.sh
else
. $dir/../../contrib/build-common/sh/lib.sh/msg.sh
fi
if test -e @PKGDATADIRECTORY@/version_gnunet.sh
then
. @PKGDATADIRECTORY@/version_gnunet.sh
else
. $dir/../../contrib/build-common/sh/lib.sh/version_gnunet.sh
fi
# Whitespace normalization without depending on shell features:
tab=' '
tab2=' '
nl='
'
setdefaults()
{
verbosity=0
resfile=
results=/dev/null
tmpdir=${TMPDIR:-/tmp}
runcmd=
}
usage()
{
if [ -n "$*" ]; then
echo "${nl}${progname}: $*"
fi
cat <<_usage_
Usage: ${progname} [-hvVto] [-c FILE]
Options:
${tab}-c FILE Use the configuration file FILE.
${tab}-h${tab2}${tab2}Print this help message.
${tab}-o${tab2}${tab2}Display summary of statusmessages
${tab}-t${tab2}${tab2}Short developer test on binaries
${tab}-v${tab2}${tab2}Print the version and exit.
${tab}-V${tab2}${tab2}be verbose
_usage_
exit 1
}
generate_ca()
{
echo ""
infomsg "Generating CA"
TMPDIR=${TMPDIR:-/tmp}
if test -e "$TMPDIR"; then
GNSCERT=`mktemp -t certXXXXXXXX.pem` || exit 1
GNSCAKY=`mktemp -t cakyXXXXXXXX.pem` || exit 1
GNSCANO=`mktemp -t canoXXXXXXXX.pem` || exit 1
else
# This warning is mostly pointless.
warningmsg "You need to export the TMPDIR variable"
fi
# # ------------- gnutls
#
# if ! which certutil > /dev/null
# then
# warningmsg "The 'certutil' command was not found."
# warningmsg "Not importing into browsers."
# warningmsg "For 'certutil' install nss."
# else
# # Generate CA key
# # pkcs#8 password-protects key
# certtool --pkcs8 --generate-privkey --sec-param high --outfile ca-key.pem
# # self-sign the CA to create public certificate
# certtool --generate-self-signed --load-privkey ca-key.pem --template ca.cfg --outfile ca.pem
# ------------- openssl
GNUTLS_CA_TEMPLATE=@PKGDATADIRECTORY@/gnunet-gns-proxy-ca.template
OPENSSLCFG=@PKGDATADIRECTORY@/openssl.cnf
CERTTOOL=""
OPENSSL=0
if test -x $(existence gnunet-certtool)
# if test -z "`gnutls-certtool --version`" > /dev/null
then
# We only support gnutls certtool for now. Treat the grep
# for "gnutls" in the output with extra care, it only matches
# the email address! It is probably safer to run strings(1)
# over certtool for a string matching "gnutls"
if test -z "`certtool --version | grep gnutls`" > /dev/null
then
warningmsg "'gnutls-certtool' or 'certtool' command not found. Trying openssl."
# if test -z "`openssl version`" > /dev/null
if test -x $(existence openssl)
then
OPENSSL=1
else
warningmsg "Install either gnutls certtool or openssl for certificate generation!"
statusmsg "Cleaning up."
rm -f $GNSCAKY $GNSCERT
exit 1
fi
fi
CERTTOOL="certtool"
else
CERTTOOL="gnutls-certtool"
fi
if test -n "${GNUNET_CONFIG_FILE}"; then
GNUNET_CONFIG="-c ${GNUNET_CONFIG_FILE}"
else
GNUNET_CONFIG=""
fi
GNS_CA_CERT_PEM=`gnunet-config ${GNUNET_CONFIG} -s gns-proxy -o PROXY_CACERT -f ${options}`
mkdir -p `dirname $GNS_CA_CERT_PEM`
if test 1 -eq $OPENSSL
then
if test 1 -eq $verbosity; then
openssl req -config $OPENSSLCFG -new -x509 -days 3650 -extensions v3_ca -keyout $GNSCAKY -out $GNSCERT -subj "/C=ZZ/L=World/O=GNU/OU=GNUnet/CN=GNS Proxy CA/emailAddress=bounce@gnunet.org" -passout pass:"GNU Name System"
else
openssl req -config $OPENSSLCFG -new -x509 -days 3650 -extensions v3_ca -keyout $GNSCAKY -out $GNSCERT -subj "/C=ZZ/L=World/O=GNU/OU=GNUnet/CN=GNS Proxy CA/emailAddress=bounce@gnunet.org" -passout pass:"GNU Name System" >/dev/null 2>&1
fi
infomsg "Removing passphrase from key"
if test 1 -eq $verbosity; then
openssl rsa -passin pass:"GNU Name System" -in $GNSCAKY -out $GNSCANO
else
openssl rsa -passin pass:"GNU Name System" -in $GNSCAKY -out $GNSCANO >/dev/null 2>&1
fi
cat $GNSCERT $GNSCANO > $GNS_CA_CERT_PEM
else
if test 1 -eq $verbosity; then
$CERTTOOL --generate-privkey --outfile $GNSCAKY
$CERTTOOL --template $GNUTLS_CA_TEMPLATE --generate-self-signed --load-privkey $GNSCAKY --outfile $GNSCERT
else
$CERTTOOL --generate-privkey --outfile $GNSCAKY >/dev/null 2>&1
$CERTTOOL --template $GNUTLS_CA_TEMPLATE --generate-self-signed --load-privkey $GNSCAKY --outfile $GNSCERT >/dev/null 2>&1
fi
infomsg "Making private key available to gnunet-gns-proxy"
cat $GNSCERT $GNSCAKY > $GNS_CA_CERT_PEM
fi
}
importbrowsers()
{
# if test -z "`command -v certutil`" > /dev/null 2>&1
if test -x $(existence gnutls-certutil) || test -x $(existence certutil)
then
statusmsg "Importing CA into browsers"
# TODO: Error handling?
for f in ~/.mozilla/firefox/*.*/
do
if [ -d $f ]; then
infomsg "Importing CA into Firefox at $f"
# delete old certificate (if any)
certutil -D -n "GNS Proxy CA" -d "$f" >/dev/null 2>/dev/null
# add new certificate
certutil -A -n "GNS Proxy CA" -t CT,, -d "$f" < $GNSCERT
fi
done
for f in ~/.mozilla/icecat/*.*/
do
if [ -d $f ]; then
infomsg "Importing CA into Icecat at $f"
# delete old certificate (if any)
certutil -D -n "GNS Proxy CA" -d "$f" >/dev/null 2>/dev/null
# add new certificate
certutil -A -n "GNS Proxy CA" -t CT,, -d "$f" < $GNSCERT
fi
done
# TODO: Error handling?
if [ -d ~/.pki/nssdb/ ]; then
statusmsg "Importing CA into Chrome at ~/.pki/nssdb/"
# delete old certificate (if any)
certutil -D -n "GNS Proxy CA" -d ~/.pki/nssdb/ >/dev/null 2>/dev/null
# add new certificate
certutil -A -n "GNS Proxy CA" -t CT,, -d ~/.pki/nssdb/ < $GNSCERT
fi
else
warningmsg "The 'certutil' command was not found."
warningmsg "Not importing into browsers."
warningmsg "For 'certutil' install nss."
fi
}
clean_up()
{
infomsg "Cleaning up."
rm -f $GNSCAKY $GNSCANO $GNSCERT
if test -e $SETUP_TMPDIR
then
rm -rf $SETUP_TMPDIR
fi
linemsg
statusmsg "You can now start gnunet-gns-proxy."
statusmsg "Afterwards, configure your browser "
statusmsg "to use a SOCKS proxy on port 7777. "
linemsg
}
main()
{
setdefaults
while getopts "vhVtoc:" opt; do
case $opt in
v)
print_version
exit 0
;;
h)
usage
;;
V)
verbosity=1
;;
c)
options="$options -c $OPTARG"
infomsg "Using configuration file $OPTARG"
GNUNET_CONFIG_FILE=${OPTARG}
;;
t)
verbosity=1
infomsg "Running short developer test"
if test -x $(existence openssl); then
openssl version
fi
if test -x $(existence certtool); then
certtool --version
fi
if test -x $(existence gnutls-certtool); then
gnutls-certtool --version
fi
exit 0
;;
o)
resfile=$(mktemp -t ${progname}.results)
results="${resfile}"
;;
\?)
echo "Invalid option: -$OPTARG" >&2
usage
;;
:)
echo "Option -$OPTARG requires an argument." >&2
usage
;;
esac
done
generate_ca
importbrowsers
if [ -s "${results}" ]; then
echo "===> Summary of results:"
sed -e 's/^===>//;s/^/ /' "${results}"
echo "===> ."
infomsg "Please remove ${results} manually."
fi
clean_up
}
main "$@"
|