141 lines
3.0 KiB
Bash
Executable File
141 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
source lib/util
|
|
|
|
gen_san_string() {
|
|
declare d
|
|
declare -a argv
|
|
|
|
argv=( "$@" )
|
|
|
|
printf '[SAN]\nsubjectAltName='
|
|
|
|
for d in "${argv[@]}"; do
|
|
printf 'DNS:%s' "$d"
|
|
if ! [[ "$d" == "${argv[-1]}" ]]; then
|
|
printf ','
|
|
fi
|
|
done
|
|
}
|
|
|
|
gen_renew_config() {
|
|
declare d
|
|
|
|
printf 'domains=(\n'
|
|
for d in "$@"; do
|
|
printf " %s\n" "$d"
|
|
done
|
|
printf ')\n'
|
|
}
|
|
|
|
usage() {
|
|
while read -r line; do printf '%s\n' "$line"; done <<- EOF
|
|
Usage: le [options] <domain> [domain ...]
|
|
Options:
|
|
-c <dir> # Configuration directory. Default: \$HOME/.acme
|
|
-a <dir> # A dir to put challenges in. Default: /var/www/acme
|
|
-h # Show this message.
|
|
EOF
|
|
}
|
|
|
|
main() {
|
|
declare cfg_dir
|
|
declare -a domains
|
|
|
|
while (( $# )); do
|
|
case $1 in
|
|
-c)
|
|
cfg_dir=$2
|
|
shift;;
|
|
|
|
-a)
|
|
challenge_dir=$2
|
|
shift;;
|
|
|
|
-h)
|
|
usage
|
|
return 0;;
|
|
|
|
--)
|
|
shift
|
|
break;;
|
|
|
|
*) break;;
|
|
esac
|
|
|
|
shift
|
|
done
|
|
|
|
domains=( "$@" )
|
|
|
|
(( ${#domains[@]} )) || {
|
|
usage; return 1
|
|
}
|
|
|
|
set_default cfg_dir "$HOME/.acme"
|
|
set_default challenge_dir '/var/www/acme'
|
|
|
|
if ! [[ -d "$cfg_dir" ]]; then
|
|
err "Config dir ($cfg_dir) not found, creating."
|
|
if ! mkdir -m700 "$cfg_dir"; then
|
|
err "Can't create config dir: $cfg_dir"
|
|
return 1
|
|
fi
|
|
fi
|
|
|
|
if ! [[ -f "$cfg_dir/account.key" ]]; then
|
|
err "Account key not found, generating a new one."
|
|
openssl genrsa 4096 > "$cfg_dir/account.key"
|
|
fi
|
|
|
|
if ! [[ -d "$cfg_dir/domains/${domains[0]}" ]]; then
|
|
mkdir -p "$cfg_dir/domains/${domains[0]}"
|
|
fi
|
|
|
|
if ! [[ -f "$cfg_dir/domains/${domains[0]}/privkey.pem" ]]; then
|
|
err "Generating a new key for ${domains[0]}."
|
|
openssl genrsa 4096 > "$cfg_dir/domains/${domains[0]}/privkey.pem"
|
|
fi
|
|
|
|
if ! [[ -d "$challenge_dir" ]]; then
|
|
err "Challenge dir does not exist: $challenge_dir"
|
|
return 1
|
|
fi
|
|
|
|
err "Generating a certificate request for: ${domains[@]}."
|
|
if (( ${#domains[@]} > 1 )); then
|
|
openssl req -new -sha256 \
|
|
-key "$cfg_dir/domains/${domains[0]}/privkey.pem" \
|
|
-subj "/" \
|
|
-reqexts SAN \
|
|
-config <(cat /etc/ssl/openssl.cnf <(gen_san_string "${domains[@]}")) > "$cfg_dir/domains/${domains[0]}/request.csr"
|
|
else
|
|
openssl req -new -sha256 \
|
|
-key "$cfg_dir/domains/${domains[0]}/privkey.pem" \
|
|
-subj "/CN=${domains[0]}" > "$cfg_dir/domains/${domains[0]}/request.csr"
|
|
fi
|
|
|
|
err "Getting a signed certificate."
|
|
acme-tiny \
|
|
--account-key "$cfg_dir/account.key" \
|
|
--csr "$cfg_dir/domains/${domains[0]}/request.csr" \
|
|
--acme-dir "$challenge_dir" > "$cfg_dir/domains/${domains[0]}/certificate.pem"
|
|
|
|
if (( $? )); then
|
|
return 1
|
|
fi
|
|
|
|
gen_renew_config "${domains[@]}" > "$cfg_dir/domains/${domains[0]}/renew.cfg"
|
|
|
|
if ! [[ -f "$cfg_dir/chain.pem" ]]; then
|
|
err "Intermediate certificate not found, downloading."
|
|
curl "https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem" > "$cfg_dir/chain.pem"
|
|
fi
|
|
|
|
cat "$cfg_dir/domains/${domains[0]}/certificate.pem" "$cfg_dir/chain.pem" > "$cfg_dir/domains/${domains[0]}/fullchain.pem"
|
|
|
|
err "Your certificate is available at $cfg_dir/domains/${domains[0]}/fullchain.pem"
|
|
}
|
|
|
|
main "$@"
|