tests: add iotests helpers for dealing with TLS certificates

#!/bin/bash

#

# Helpers for TLS related config

#

# Copyright (C) 2018 Red Hat, Inc.

#

# 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, see <http://www.gnu.org/licenses/>.

#

tls_dir="${TEST_DIR}/tls"

function tls_x509_cleanup()

{

    rm -f "${tls_dir}"/*.pem

    rm -f "${tls_dir}"/*/*.pem

    rmdir "${tls_dir}"/*

    rmdir "${tls_dir}"

}

function tls_x509_init()

{

    mkdir -p "${tls_dir}"

    # use a fixed key so we don't waste system entropy on

    # each test run

    cat > "${tls_dir}/key.pem" <<EOF

-----BEGIN PRIVATE KEY-----

MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBALVcr

BL40Tm6yq88FBhJNw1aaoCjmtg0l4dWQZ/e9Fimx4ARxFpT+ji4FE

Cgl9s/SGqC+1nvlkm9ViSo0j7MKDbnDB+VRHDvMAzQhA2X7e8M0n9

rPolUY2lIVC83q0BBaOBkCj2RSmT2xTEbbC2xLukSrg2WP/ihVOxc

kXRuyFtzAgMBAAECgYB7slBexDwXrtItAMIH6m/U+LUpNe0Xx48OL

IOn4a4whNgO/o84uIwygUK27ZGFZT0kAGAk8CdF9hA6ArcbQ62s1H

myxrUbF9/mrLsQw1NEqpuUk9Ay2Tx5U/wPx35S3W/X2AvR/ZpTnCn

2q/7ym9fyiSoj86drD7BTvmKXlOnOwQJBAPOFMp4mMa9NGpGuEssO

m3Uwbp6lhcP0cA9MK+iOmeANpoKWfBdk5O34VbmeXnGYWEkrnX+9J

bM4wVhnnBWtgBMCQQC+qAEmvwcfhauERKYznMVUVksyeuhxhCe7EK

mPh+U2+g0WwdKvGDgO0PPt1gq0ILEjspMDeMHVdTwkaVBo/uMhAkA

Z5SsZyCP2aTOPFDypXRdI4eqRcjaEPOUBq27r3uYb/jeboVb2weLa

L1MmVuHiIHoa5clswPdWVI2y0em2IGoDAkBPSp/v9VKJEZabk9Frd

a+7u4fanrM9QrEjY3KhduslSilXZZSxrWjjAJPyPiqFb3M8XXA26W

nz1KYGnqYKhLcBAkB7dt57n9xfrhDpuyVEv+Uv1D3VVAhZlsaZ5Pp

dcrhrkJn2sa/+O8OKvdrPSeeu/N5WwYhJf61+CPoenMp7IFci

-----END PRIVATE KEY-----

EOF

}

function tls_x509_create_root_ca()

{

    name=${1:-ca-cert}

    cat > "${tls_dir}/ca.info" <<EOF

cn = Cthulhu Dark Lord Enterprises $name

ca

cert_signing_key

EOF

    certtool --generate-self-signed \

             --load-privkey "${tls_dir}/key.pem" \

             --template "${tls_dir}/ca.info" \

             --outfile "${tls_dir}/$name-cert.pem" 2>&1 | head -1

    rm -f "${tls_dir}/ca.info"

}

function tls_x509_create_server()

{

    caname=$1

    name=$2

    mkdir -p "${tls_dir}/$name"

    cat > "${tls_dir}/cert.info" <<EOF

organization = Cthulhu Dark Lord Enterprises $name

cn = localhost

dns_name = localhost

dns_name = localhost.localdomain

ip_address = 127.0.0.1

ip_address = ::1

tls_www_server

encryption_key

signing_key

EOF

    certtool --generate-certificate \

             --load-ca-privkey "${tls_dir}/key.pem" \

             --load-ca-certificate "${tls_dir}/$caname-cert.pem" \

             --load-privkey "${tls_dir}/key.pem" \

             --template "${tls_dir}/cert.info" \

             --outfile "${tls_dir}/$name/server-cert.pem" 2>&1 | head -1

    ln -s "${tls_dir}/$caname-cert.pem" "${tls_dir}/$name/ca-cert.pem"

    ln -s "${tls_dir}/key.pem" "${tls_dir}/$name/server-key.pem"

    rm -f "${tls_dir}/cert.info"

}

function tls_x509_create_client()

{

    caname=$1

    name=$2

    mkdir -p "${tls_dir}/$name"

    cat > "${tls_dir}/cert.info" <<EOF

country = South Pacific

locality =  R'lyeh

organization = Cthulhu Dark Lord Enterprises $name

cn = localhost

tls_www_client

encryption_key

signing_key

EOF

    certtool --generate-certificate \

             --load-ca-privkey "${tls_dir}/key.pem" \

             --load-ca-certificate "${tls_dir}/$caname-cert.pem" \

             --load-privkey "${tls_dir}/key.pem" \

             --template "${tls_dir}/cert.info" \

             --outfile "${tls_dir}/$name/client-cert.pem" 2>&1 | head -1

    ln -s "${tls_dir}/$caname-cert.pem" "${tls_dir}/$name/ca-cert.pem"

    ln -s "${tls_dir}/key.pem" "${tls_dir}/$name/client-key.pem"

    rm -f "${tls_dir}/cert.info"

}