evoacme: refactoring for make-csr
inspired from recent refactoring or evoacme itself
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@ -1,151 +1,208 @@
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#!/bin/sh
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#
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# make-csr is a shell script designed to automatically generate a
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# make-csr is a shell script designed to automatically generate a
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# certificate signing request (CSR) from an Apache or a Nginx vhost
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#
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# Author: Victor Laborie <vlaborie@evolix.fr>
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# Licence: AGPLv3
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#
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real_ip_for_domain() {
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dig +short "$1" | grep -oE "([0-9]+\.){3}[0-9]+"
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}
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get_domains() {
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echo "$vhostfile"|grep -q nginx
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echo "$vhostfile" | grep -q nginx
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if [ "$?" -eq 0 ]; then
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domains=$(grep -oE "^( )*[^#]+" "$vhostfile" |grep -oE "[^\$]server_name.*;$"|sed 's/server_name//'|tr -d ';'|sed 's/\s\{1,\}//'|sed 's/\s\{1,\}/\n/g'|sort|uniq)
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domains=$(
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grep -oE "^( )*[^#]+" "$vhostfile" \
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| grep -oE "[^\$]server_name.*;$" \
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| sed 's/server_name//' \
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| tr -d ';' \
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| sed 's/\s\{1,\}//' \
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| sed 's/\s\{1,\}/\n/g' \
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| sort \
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| uniq
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)
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fi
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echo "$vhostfile" |grep -q apache2
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echo "$vhostfile" | grep -q apache2
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if [ "$?" -eq 0 ]; then
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domains=$(grep -oE "^( )*[^#]+" "$vhostfile" |grep -oE "(ServerName|ServerAlias).*"|sed 's/ServerName//'|sed 's/ServerAlias//'|sed 's/\s\{1,\}//'|sort|uniq)
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domains=$(
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grep -oE "^( )*[^#]+" "$vhostfile" \
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| grep -oE "(ServerName|ServerAlias).*" \
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| sed 's/ServerName//' \
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| sed 's/ServerAlias//' \
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| sed 's/\s\{1,\}//' \
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| sort \
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| uniq
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)
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fi
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valid_domains=""
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nb=0
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echo "Valid(s) domain(s) in $vhost :"
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echo "Valid(s) domain(s) in ${VHOST} :"
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for domain in $domains; do
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real_ip=$(dig +short "$domain"|grep -oE "([0-9]+\.){3}[0-9]+")
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for ip in $(echo "$SRV_IP"|xargs -n1); do
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real_ip=$(real_ip_for_domain "${domain}")
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for ip in $(echo "${SRV_IP}" | xargs -n1); do
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if [ "${ip}" = "${real_ip}" ]; then
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valid_domains="$valid_domains $domain"
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nb=$(( nb + 1 ))
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echo "* $domain -> $real_ip"
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valid_domains="${valid_domains} ${domain}"
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nb=$(( nb + 1 ))
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echo "* ${domain} -> ${real_ip}"
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fi
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done
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done
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if [ "$nb" -eq 0 ]; then
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nb=$(echo "$domains"|wc -l)
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if [ "${nb}" -eq 0 ]; then
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nb=$(echo "${domains}" | wc -l)
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echo "* No valid domain found"
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echo "All following(s) domain(s) will be used for CSR creation :"
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for domain in $domains; do
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echo "* $domain"
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echo "* ${domain}"
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done
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else
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domains="$valid_domains"
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domains="${valid_domains}"
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fi
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domains=$(echo "$domains"|xargs -n1)
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domains=$(echo "$domains" | xargs -n1)
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}
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make_key() {
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openssl genrsa -out "$SSL_KEY_DIR/${vhost}.key" "$SSL_KEY_SIZE" 2>/dev/null
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chown root: "$SSL_KEY_DIR/${vhost}.key"
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chmod 600 "$SSL_KEY_DIR/${vhost}.key"
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openssl genrsa -out "${SSL_KEY_FILE}" "${SSL_KEY_SIZE}" 2>/dev/null
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chown root: "${SSL_KEY_FILE}"
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chmod 600 "${SSL_KEY_FILE}"
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}
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make_csr() {
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domains="$1"
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nb=$(echo "$domains"|wc -l)
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config_file="/tmp/make-csr-${vhost}.conf"
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nb=$(echo "${domains}" | wc -l)
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config_file="/tmp/make-csr-${VHOST}.conf"
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mkdir -p "$CSR_DIR" -m 0755
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if [ "$nb" -eq 1 ]; then
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cat /etc/letsencrypt/openssl.cnf - > "$config_file" <<EOF
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mkdir -p -m 0755 "${CSR_DIR}"
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if [ "${nb}" -eq 1 ]; then
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cat ${SSL_CONFIG_FILE} - > "${config_file}" <<EOF
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CN=$domains
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EOF
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openssl req -new -sha256 -key "$SSL_KEY_DIR/${vhost}.key" -config "$config_file" -out "$CSR_DIR/${vhost}.csr"
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elif [ "$nb" -gt 1 ]; then
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san=''
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for domain in $domains
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do
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san="$san,DNS:$domain"
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openssl req -new -sha256 -key "${SSL_KEY_FILE}" -config "${config_file}" -out "${CSR_FILE}"
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elif [ "${nb}" -gt 1 ]; then
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san=""
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for domain in $domains; do
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san="${san},DNS:${domain}"
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done
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san=$(echo "$san"|sed 's/,//')
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cat /etc/letsencrypt/openssl.cnf - > "$config_file" <<EOF
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san=$(echo "${san}" | sed 's/,//')
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cat ${SSL_CONFIG_FILE} - > "${config_file}" <<EOF
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[SAN]
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subjectAltName=$san
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subjectAltName=${san}
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EOF
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openssl req -new -sha256 -key "$SSL_KEY_DIR/${vhost}.key" -reqexts SAN -config "$config_file" > "$CSR_DIR/${vhost}.csr"
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openssl req -new -sha256 -key "${SSL_KEY_FILE}" -reqexts SAN -config "${config_file}" > "${CSR_FILE}"
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fi
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if [ -f "$CSR_DIR/${vhost}.csr" ]; then
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chmod 644 "$CSR_DIR/${vhost}.csr"
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mkdir -p "$SELF_SIGNED_DIR" -m 0755
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openssl x509 -req -sha256 -days 365 -in "$CSR_DIR/${vhost}.csr" -signkey "$SSL_KEY_DIR/${vhost}.key" -out "$SELF_SIGNED_DIR/${vhost}.pem"
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[ -f "$SELF_SIGNED_DIR/${vhost}.pem" ] && chmod 644 "$SELF_SIGNED_DIR/${vhost}.pem"
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if [ -f "${CSR_FILE}" ]; then
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chmod 644 "${CSR_FILE}"
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mkdir -p -m 0755 "${SELF_SIGNED_DIR}"
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openssl x509 -req -sha256 -days 365 -in "${CSR_FILE}" -signkey "${SSL_KEY_FILE}" -out "${SELF_SIGNED_FILE}"
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[ -f "${SELF_SIGNED_FILE}" ] && chmod 644 "${SELF_SIGNED_FILE}"
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fi
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}
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mkconf_apache() {
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mkdir -p /etc/apache2/ssl
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if [ ! -f "/etc/apache2/ssl/${vhost}.conf" ]; then
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cat > "/etc/apache2/ssl/${vhost}.conf" <<EOF
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sed_selfsigned_cert_path_for_apache() {
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apache_ssl_vhost_path=$1
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mkdir -p $(dirname "${apache_ssl_vhost_path}")
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if [ ! -f "${apache_ssl_vhost_path}" ]; then
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cat > "${apache_ssl_vhost_path}" <<EOF
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SSLEngine On
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SSLCertificateFile $SELF_SIGNED_DIR/${vhost}.pem
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SSLCertificateKeyFile $SSL_KEY_DIR/${vhost}.key
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SSLCertificateFile ${SELF_SIGNED_FILE}
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SSLCertificateKeyFile ${SSL_KEY_FILE}
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EOF
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else
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sed -i "s~^SSLCertificateFile.*$~SSLCertificateFile $SELF_SIGNED_DIR/${vhost}.pem~" "/etc/apache2/ssl/${vhost}.conf"
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sed -i "s~^SSLCertificateFile.*$~SSLCertificateFile ${SELF_SIGNED_FILE}~" "${apache_ssl_vhost_path}"
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fi
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}
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mkconf_nginx() {
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mkdir -p /etc/nginx/ssl
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if [ ! -f "/etc/nginx/ssl/${vhost}.conf" ]; then
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cat > "/etc/nginx/ssl/${vhost}.conf" <<EOF
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ssl_certificate $SELF_SIGNED_DIR/${vhost}.pem;
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ssl_certificate_key $SSL_KEY_DIR/${vhost}.key;
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sed_selfsigned_cert_path_for_nginx() {
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nginx_ssl_vhost_path=$1
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mkdir -p $(dirname "${nginx_ssl_vhost_path}")
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if [ ! -f "${nginx_ssl_vhost_path}" ]; then
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cat > "${nginx_ssl_vhost_path}" <<EOF
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ssl_certificate ${SELF_SIGNED_FILE};
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ssl_certificate_key ${SSL_KEY_FILE};
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EOF
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else
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sed -i "s~^ssl_certificate[^_].*$~ssl_certificate $SELF_SIGNED_DIR/${vhost}.pem;~" "/etc/nginx/ssl/${vhost}.conf"
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sed -i "s~^ssl_certificate[^_].*$~ssl_certificate ${SELF_SIGNED_FILE};~" "${nginx_ssl_vhost_path}"
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fi
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}
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first_vhost_file_found() {
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vhost=$1
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ls "/etc/nginx/sites-enabled/${vhost}" \
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"/etc/nginx/sites-enabled/${vhost}.conf" \
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"/etc/apache2/sites-enabled/${vhost}.conf" 2>/dev/null \
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| head -n 1
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}
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default_key_size() {
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grep default_bits ${SSL_CONFIG_FILE} \
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| cut -d'=' -f2 \
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| xargs
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}
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main() {
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if [ "$#" -ne 1 ]; then
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echo "You need to provide one argument !" >&2
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exit 1
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fi
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vhost=$(basename "$1" .conf)
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local_ip=$(ip a|grep brd|cut -d'/' -f1|grep -oE "([0-9]+\.){3}[0-9]+")
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# Read configuration file, if it exists
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[ -f /etc/default/evoacme ] && . /etc/default/evoacme
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[ -z "${SSL_KEY_DIR}" ] && SSL_KEY_DIR='/etc/ssl/private'
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[ -z "${CSR_DIR}" ] && CSR_DIR='/etc/ssl/requests'
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[ -z "${CRT_DIR}" ] && CRT_DIR='/etc/letsencrypt'
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[ -z "${SELF_SIGNED_DIR}" ] && SELF_SIGNED_DIR='/etc/ssl/self-signed'
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SSL_KEY_SIZE=$(grep default_bits /etc/letsencrypt/openssl.cnf|cut -d'=' -f2|xargs)
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[ -n "${SRV_IP}" ] && SRV_IP="${SRV_IP} $local_ip" || SRV_IP="$local_ip"
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vhostfile=$(ls "/etc/nginx/sites-enabled/${vhost}" "/etc/nginx/sites-enabled/${vhost}.conf" "/etc/apache2/sites-enabled/${vhost}" "/etc/apache2/sites-enabled/${vhost}.conf" 2>/dev/null|head -n1)
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if [ ! -h "$vhostfile" ]; then
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echo "$vhost is not a valid virtualhost !" >&2
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# Default value for main variables
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CSR_DIR=${CSR_DIR:-'/etc/ssl/requests'}
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CRT_DIR=${CRT_DIR:-'/etc/letsencrypt'}
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SSL_CONFIG_FILE=${SSL_CONFIG_FILE:-"${CRT_DIR}/openssl.cnf"}
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SELF_SIGNED_DIR=${SELF_SIGNED_DIR:-'/etc/ssl/self-signed'}
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SSL_KEY_DIR=${SSL_KEY_DIR:-'/etc/ssl/private'}
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SSL_KEY_SIZE=${SSL_KEY_SIZE:-$(default_key_size)}
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SRV_IP=${SRV_IP:-""}
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VHOST=$(basename "$1" .conf)
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SELF_SIGNED_FILE="${SELF_SIGNED_DIR}/${VHOST}.pem"
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SSL_KEY_FILE="${SSL_KEY_DIR}/${VHOST}.key"
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LIVE_DIR="${CRT_DIR}/${VHOST}/live"
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CSR_FILE="${CSR_DIR}/${VHOST}.csr"
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local_ip=$(ip a | grep brd | cut -d'/' -f1 | grep -oE "([0-9]+\.){3}[0-9]+")
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if [ -n "${SRV_IP}" ]; then
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SRV_IP="${SRV_IP} ${local_ip}"
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else
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SRV_IP="${local_ip}"
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fi
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vhostfile=$(first_vhost_file_found "${VHOST}")
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if [ ! -h "${vhostfile}" ]; then
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echo "${VHOST} is not a valid virtualhost !" >&2
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exit 1
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fi
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if [ -f "$SSL_KEY_DIR/${vhost}.key" ]; then
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echo "$vhost key already exist, overwrite it ? (y)"
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if [ -f "${SSL_KEY_FILE}" ]; then
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echo "${VHOST} key already exist, overwrite it? [yN]"
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read REPLY
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[ "$REPLY" = "Y" ] || [ "$REPLY" = "y" ] || exit 0
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rm -f "/etc/apache2/ssl/${vhost}.conf /etc/nginx/ssl/${vhost}.conf"
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[ -h "${CRT_DIR}/${vhost}/live" ] && rm "${CRT_DIR}/${vhost}/live"
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[ "${REPLY}" = "Y" ] || [ "${REPLY}" = "y" ] || exit 0
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rm -f "/etc/apache2/ssl/${VHOST}.conf /etc/nginx/ssl/${VHOST}.conf"
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[ -h "${LIVE_DIR}" ] && rm "${LIVE_DIR}"
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fi
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get_domains
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make_key
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make_csr "$domains"
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which apache2ctl >/dev/null && mkconf_apache
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which nginx >/dev/null && mkconf_nginx
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make_csr "${domains}"
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command -v apache2ctl >/dev/null && sed_selfsigned_cert_path_for_apache "/etc/apache2/ssl/${VHOST}.conf"
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command -v nginx >/dev/null && sed_selfsigned_cert_path_for_nginx "/etc/nginx/ssl/${VHOST}.conf"
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}
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main "$@"
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