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#!/bin/bash
# generate new ca certificates, roll over the old one(s)
set -e
if [ -r '#ETCDIR#/simple-pki/ca.conf' ]; then
. '#ETCDIR#/simple-pki/ca.conf'
fi
if [ -n "${ca_user}" ] \
&& [ "$(whoami)" != "${ca_user}" ]; then
chown -R "${ca_user}" '#ETCDIR#/simple-pki/ca'
exec su "${ca_user}" -c "$0"
fi
move_old_ca() {
mv \
'#ETCDIR#/simple-pki/ca/'"$1"'.crt' \
'#ETCDIR#/simple-pki/ca/'"$1"'.old.crt'
rm -rf --one-file-system \
'#ETCDIR#/simple-pki/ca/'"$1"'.old'
mv \
'#ETCDIR#/simple-pki/ca/'"$1" \
'#ETCDIR#/simple-pki/ca/'"$1"'.old'
find '#ETCDIR#/simple-pki/ca/'"$1"'.old' \
-type f \
-name "$1"'.*' \
| sed 's@^\(.*/'"$1"'\)\(\..*\)$@\0 \1.old\2@' \
| while read -r from to; do
mv "${from}" "${to}"
done
}
level_ground_for_new_ca() {
install -d -m0755 '#ETCDIR#/simple-pki/ca/'"$1"'/db'
install -d -m0700 '#ETCDIR#/simple-pki/ca/'"$1"'/private'
touch \
'#ETCDIR#/simple-pki/ca/'"$1"'/db/'"$1"'.db' \
'#ETCDIR#/simple-pki/ca/'"$1"'/db/'"$1"'.db.attr'
for srl in 'crl' 'crt'; do
old='#ETCDIR#/simple-pki/ca/'"$1"'.old/db/'"$1"'.old.'"${srl}"'.srl'
new='#ETCDIR#/simple-pki/ca/'"$1"'/db/'"$1"'.'"${srl}"'.srl'
if [ -f "${old}" ]; then
cp "${old}" "${new}"
else
echo '01' \
>"${new}"
fi
done
}
if [ -f '#ETCDIR#/simple-pki/ca/root-ca.crt' ]; then
if [ ! -f '#ETCDIR#/simple-pki/ca/root-ca.old.crt' ] \
|| [ "$(stat -c%Y '#ETCDIR#/simple-pki/ca/root-ca.old.crt')" -lt "$(($(date +%s)-60*60*24*ca_keep_duration))" ]; then
move_old_ca 'root-ca'
else
>&2 echo 'nothing to do: "old" root certificate is too new'
exit
fi
fi
level_ground_for_new_ca 'root-ca'
if [ -f '#ETCDIR#/simple-pki/ca/signing-ca.crt' ]; then
move_old_ca 'signing-ca'
fi
level_ground_for_new_ca 'signing-ca'
CA=root-ca CA_TYPE='Root' openssl req -new \
-config '#ETCDIR#/simple-pki/ca-ssl.conf' \
-out '#ETCDIR#/simple-pki/ca/root-ca.csr' \
-keyout '#ETCDIR#/simple-pki/ca/root-ca/private/root-ca.key'
CA=root-ca CA_TYPE='Root' openssl ca -batch -name root_ca -selfsign \
-config '#ETCDIR#/simple-pki/ca-ssl.conf' \
-in '#ETCDIR#/simple-pki/ca/root-ca.csr' \
-out '#ETCDIR#/simple-pki/ca/root-ca.crt' \
-extensions root_ca_ext
CA=signing-ca CA_TYPE='Intermediate' openssl req -new \
-config '#ETCDIR#/simple-pki/ca-ssl.conf' \
-out '#ETCDIR#/simple-pki/ca/signing-ca.csr' \
-keyout '#ETCDIR#/simple-pki/ca/signing-ca/private/signing-ca.key'
CA=root-ca CA_TYPE='Root' openssl ca -batch -name root_ca \
-config '#ETCDIR#/simple-pki/ca-ssl.conf' \
-in '#ETCDIR#/simple-pki/ca/signing-ca.csr' \
-out '#ETCDIR#/simple-pki/ca/signing-ca.crt' \
-extensions signing_ca_ext
rm \
'#ETCDIR#/simple-pki/ca/root-ca.csr' \
'#ETCDIR#/simple-pki/ca/signing-ca.csr'
rsync --ignore-missing-args \
'#ETCDIR#/simple-pki/ca/root-ca'{,.old}'.crt' \
"${remote_host}:${remote_dir}/"
(
cd '#ETCDIR#/simple-pki/ca/'
find . -maxdepth 1 \
-type f \( \
-name root-ca.crt -o \
-name root-ca.old.crt \
\) \
-printf '%TY-%Tm-%TdT%TT ' \
-exec sha512sum {} \; \
| sed '
s/\.[0-9]\+ / /
s@\s\s\+\(\S\+/\)\?@ @
'
) \
| ssh "${remote_host}" '
cd "'"${remote_dir}"'"
while read -r time sum file; do
for f in ????-??-??T??\:??\:??".${file}"; do
[ -f "${f}" ] || continue
if [ $(date -d"$(openssl x509 -noout -enddate -in "${f}" | cut -d= -f2)" +%s) -ge $(($(date +%s)-24*60*60*30)) ]; then
rm "${f}"
sed -i '"'"'
/^[0-9a-f]\{127\} '"'"'"${f//./\\.}"'"'"'$/d
'"'"' sha512sums
fi
done
mv "${file}" "${time}.${file}"
printf '"'"'%s %s\n'"'"' "${sum}" "${time}.${file}" \
>> sha512sums
done
'
|
