Cleanup fom unused code and some mnor changes.
This commit is contained in:
@@ -230,12 +230,6 @@ DEFAULT_KEY_OU="Network Services"
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#DEFAULT_SERVER_CIPHER="BF-CBC"
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DEFAULT_SERVER_CIPHER="AES-256-CBC"
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#if [[ "$os_dist" = "debian" ]] && [[ $os_version -gt 9 ]] ; then
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# EASYRSA_CALLER=1
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#else
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# EASYRSA_CALLER=""
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#fi
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#---------------------------------------
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#-----------------------------
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@@ -324,7 +318,7 @@ echo ""
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echo " Example: 'AKB' or 'FLR' or 'OPP' or.."
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echo ""
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ORG_SHORTCUT=""
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echononl "Organisations acronym: "
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echononl "Organisations shortcut: "
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read ORG_SHORTCUT
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while [ "X$ORG_SHORTCUT" = "X" ] ; do
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echo -e "\n\t\033[33m\033[1mSetting 'OpenVPN Name' is required!\033[m\n"
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@@ -1629,18 +1623,26 @@ if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
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else
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${EASY_RSA_DIR}/build-dh > "$log_file" 2>&1
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fi
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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_DH_KEY=${OPENVPN_KEY_DIR}/dh${KEY_SIZE}.pem
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else
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if [[ -f "${script_dir}/dh${KEY_SIZE}.pem" ]]; then
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cp "${script_dir}/dh${KEY_SIZE}.pem" "${OPENVPN_KEY_DIR}/dh.pem" > "$log_file" 2>&1
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else
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${EASY_RSA_DIR}/easyrsa gen-dh > "$log_file" 2>&1
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fi
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fi
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if [[ $? -eq 0 ]] ; then
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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_DH_KEY="${OPENVPN_KEY_DIR}/dh.pem"
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fi
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@@ -1667,6 +1669,8 @@ if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
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echononl "Type <return> to continue: "
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read ok
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echo ""
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_SERVER_KEY="${OPENVPN_KEY_DIR}/server.key"
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_SERVER_CERT="${OPENVPN_KEY_DIR}/server.crt"
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else
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@@ -1681,13 +1685,15 @@ else
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# - nopass - do not encrypt the private key (default is encrypted)
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# -
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echononl " Generate server keypair '${KEY_CN}-server'.."
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${EASY_RSA_DIR}/easyrsa build-server-full "server" nopass > "$log_file" 2>&1
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${EASY_RSA_DIR}/easyrsa build-server-full "${KEY_CN}-server" nopass > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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_SERVER_KEY="${OPENVPN_KEY_DIR}/private/${KEY_CN}-server.key"
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_SERVER_CERT="${OPENVPN_KEY_DIR}/issued//${KEY_CN}-server.crt"
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fi
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@@ -1709,23 +1715,13 @@ fi
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# -
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if [[ "$os_dist" = "debian" ]] && [[ $os_version -lt 10 ]] ; then
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echononl " Create CRL (Certificate Revokation List) '${OPENVPN_BASE_DIR}/crl.pem'.."
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openssl ca -gencrl -out ${OPENVPN_BASE_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
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openssl ca -gencrl -out ${OPENVPN_KEY_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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echononl " Create symlink for '${OPENVPN_KEY_DIR}/crl.pem'.."
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ln -s ../crl.pem ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echononl " Create CRL (Certificate Revokation List) '${OPENVPN_KEY_DIR}/crl.pem'.."
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${EASY_RSA_DIR}/easyrsa gen-crl > "$log_file" 2>&1
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@@ -1735,16 +1731,43 @@ else
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echo_failed
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error "$(cat $log_file)"
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fi
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fi
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echononl " Change permissions (644) for ${OPENVPN_KEY_DIR}/crl.pem"
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chmod 644 ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echononl " Change permissions (750) for '${OPENVPN_KEY_DIR}'.."
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chmod 750 "${OPENVPN_KEY_DIR}" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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fi
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echononl " Change group (to nogroup) for '${OPENVPN_KEY_DIR}'.."
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chgrp nogroup "${OPENVPN_KEY_DIR}" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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echononl " Change group (to nogroup) for '${OPENVPN_KEY_DIR}/crl.pem'.."
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chgrp nogroup "${OPENVPN_KEY_DIR}/crl.pem" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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echononl " Change permissions (640) for ${OPENVPN_KEY_DIR}/crl.pem"
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chmod 644 ${OPENVPN_KEY_DIR}/crl.pem > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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@@ -1878,35 +1901,15 @@ dev tun
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# OpenVPN can also use a PKCS #12 formatted key file
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# (see "pkcs12" directive in man page).
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ca ${OPENVPN_KEY_DIR}/ca.crt
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EOF
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if [[ -d "${OPENVPN_KEY_DIR}/issued" ]] ; then
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cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
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cert ${OPENVPN_KEY_DIR}/issued/server.crt
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key ${OPENVPN_KEY_DIR}/private/server.key # This file should be kept secret
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cert $_SERVER_CERT
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key $_SERVER_KEY # This file should be kept secret
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# Diffie hellman parameters.
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# Generate your own with:
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# openssl dhparam -out dh1024.pem 1024
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# Substitute 2048 for 1024 if you are using
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# 2048 bit keys.
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dh ${OPENVPN_KEY_DIR}/dh.pem
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EOF
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else
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cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
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cert ${OPENVPN_BASE_DIR}/keys/server.crt
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key ${OPENVPN_BASE_DIR}/keys/server.key # This file should be kept secret
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# Diffie hellman parameters.
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# Generate your own with:
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# openssl dhparam -out dh1024.pem 1024
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# Substitute 2048 for 1024 if you are using
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# 2048 bit keys.
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dh ${OPENVPN_KEY_DIR}/dh${KEY_SIZE}.pem
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EOF
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fi
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cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
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dh $_DH_KEY
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# Configure server mode and supply a VPN subnet
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# for OpenVPN to draw client addresses from.
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@@ -2236,677 +2239,3 @@ fi
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echo ""
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clean_up 0
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clean_up 0
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#---------------------------------------
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#-----------------------------
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# Initial Setup OpenVPN (Root ca / Server key /..)
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#-----------------------------
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#---------------------------------------
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echo ""
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# - source file vars
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# -
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echononl " Load configuration '${EASY_RSA_DIR}/vars'.."
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source ${EASY_RSA_DIR}/vars > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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if [[ ! -f "$KEY_CONFIG" ]] ; then
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echononl " Create Symlink '$(basename $KEY_CONFIG)'.."
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if [[ -f "$(dirname $KEY_CONFIG)/openssl-1.0.0.cnf" ]]; then
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ln -s "$(dirname $KEY_CONFIG)/openssl-1.0.0.cnf" "$KEY_CONFIG"
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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#fatal "No OpenSSL configuration file present!"
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fi
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elif [[ -f "$(dirname $KEY_CONFIG)/openssl-easyrsa.cnf" ]]; then
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ln -s "$(dirname $KEY_CONFIG)//openssl-easyrsa.cnf" "$KEY_CONFIG"
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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else
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echo_failed
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fatal "No OpenSSL configuration file present!"
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echononl "continue anyway [yes/no]: "
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read OK
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OK="$(echo "$OK" | tr '[:upper:]' '[:lower:]')"
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while [[ "$OK" != "yes" ]] && [[ "$OK" != "no" ]] ; do
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echononl "Wrong entry! - repeat [yes/nno]: "
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read OK
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done
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[[ $OK = "yes" ]] || fatal "Abbruch durch User"
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fi
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fi
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_failed=false
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OPENSSL_CONFIG_FILE="$(realpath "$KEY_CONFIG")"
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echononl " Adjust '$OPENSSL_CONFIG_FILE'.."
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perl -i.ORIG -n -p -e "s/^(\s*default_days\s*=.*)/#\1\ndefault_days = $CA_EXPIRE/" $OPENSSL_CONFIG_FILE > "$log_file" 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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perl -i -n -p -e "s/^(\s*default_crl_days\s*=.*)/#\1\ndefault_crl_days = $CA_EXPIRE/" $OPENSSL_CONFIG_FILE > "$log_file" 2>&1
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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if $_failed ; then
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echo_failed
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error "$(cat $log_file)"
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else
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echo_ok
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fi
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# ---
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# - Create Keys and Certs
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# ---
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echo ""
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echo -e "\033[32m--\033[m"
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echo "Create Keys and Certs .."
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echo -e "\033[32m--\033[m"
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echo ""
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# - Create file 'serial' with value '01' - the serial for the next
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# - created certificate
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# -
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#echononl " Create '${OPENVPN_BASE_DIR}/keys/serial'.."
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#echo "01" > "${OPENVPN_BASE_DIR}/keys/serial" 2> "$log_file"
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#if [[ $? -eq 0 ]] ; then
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# echo_ok
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#else
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# echo_failed
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# error "$(cat $log_file)"
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#fi
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#
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## - Create empty file index.txt at key-directory
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## -
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#echononl " Create empty file '${OPENVPN_BASE_DIR}/keys/index.txt'.."
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#touch $OPENVPN_BASE_DIR/keys/index.txt
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#if [[ $? -eq 0 ]] ; then
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# echo_ok
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#else
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# echo_failed
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# error "$(cat $log_file)"
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#fi
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# - Create Root CA
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# -
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echononl " Create Root CA.."
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printf "\n\n\n\n\n\n\n\n" | ${EASY_RSA_DIR}/build-ca > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# - Build Diffie-Hellman parameters for the server side
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# - of an SSL/TLS connection.
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# .
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echononl " Build Diffie-Hellman parameter (dh key).."
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${EASY_RSA_DIR}/build-dh > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# - Build Sever Key
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# -
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#echononl " Create Sever Key"
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echo ""
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echo -e " \033[32mNow create the server key. Tis procedure works interactive.\033[m"
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echo -e " Use \033[37m\033[1m${KEY_CN}-server\033[m as 'commonName'"
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echo ""
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echononl "Type <return> to continue: "
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read ok
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echo ""
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${EASY_RSA_DIR}/build-key-server server
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if [[ $? -eq 0 ]] ; then
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info "Building server key was successfully."
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else
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error "Building server key failed!"
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fi
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echo ""
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echononl "Type <return> to continue: "
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read ok
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echo ""
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#printf "\n\n\n\n\n${KEY_CN}-server\n\n\n\ny\ny\n" | ${EASY_RSA_DIR}/build-key-server server
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# - For extra security beyond that provided
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# - by SSL/TLS, create an "HMAC firewall"
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# - to help block DoS attacks and UDP port flooding.
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# -
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echononl " Create 'ta.key' for additional security"
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openvpn --genkey --secret ${OPENVPN_BASE_DIR}/keys/ta.key > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# - Create empty CRL (Certificate Revokation List)
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# -
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echononl " Create CRL (Certificate Revokation List) '${OPENVPN_BASE_DIR}/crl.pem'.."
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openssl ca -gencrl -out ${OPENVPN_BASE_DIR}/crl.pem -config $KEY_CONFIG > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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echononl " Create symlink for '${OPENVPN_BASE_DIR}/keys/crl.pem'.."
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ln -s ../crl.pem ${OPENVPN_BASE_DIR}/keys/crl.pem > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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# ----
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# - Create server configurations
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# ----
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echo ""
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echo -e "\033[32m--\033[m"
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echo "Server configurations .."
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echo -e "\033[32m--\033[m"
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echo ""
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echononl " Backup Client configuration directory '$OPENVPN_CCD_DIR'"
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if [[ -d "$OPENVPN_CCD_DIR" ]]; then
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mv "$OPENVPN_CCD_DIR" "${OPENVPN_CCD_DIR}.$_date"
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if [[ $? -eq 0 ]] ; then
|
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echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
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||||
fi
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||||
else
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||||
echo_skipped
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||||
fi
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||||
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echononl " Create Client configuration directory '$OPENVPN_CCD_DIR'"
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mkdir "$OPENVPN_CCD_DIR" > "$log_file" 2>&1
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if [[ $? -eq 0 ]] ; then
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echo_ok
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||||
else
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||||
echo_failed
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||||
error "$(cat $log_file)"
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fi
|
||||
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#---------------------------------------
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||||
#-----------------------------
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# Write Server Configuration for $OPENVPN_NAME
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#-----------------------------
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||||
#---------------------------------------
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_server_conf_file="/etc/openvpn/server-${OPENVPN_NAME}.conf"
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echononl " Backup file $_server_conf_file"
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if [[ -f "$_server_conf_file" ]] ; then
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mv "$_server_conf_file" "${_server_conf_file}.$_date" > "$log_file" 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
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||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
else
|
||||
echo_skipped
|
||||
fi
|
||||
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echononl " Create configuration '${_server_conf_file}"
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cat <<EOF > ${_server_conf_file} 2> "$log_file"
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#################################################
|
||||
# Sample OpenVPN 2.0 config file for #
|
||||
# multi-client server. #
|
||||
# #
|
||||
# This file is for the server side #
|
||||
# of a many-clients <-> one-server #
|
||||
# OpenVPN configuration. #
|
||||
# #
|
||||
# OpenVPN also supports #
|
||||
# single-machine <-> single-machine #
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||||
# configurations (See the Examples page #
|
||||
# on the web site for more info). #
|
||||
# #
|
||||
# This config should work on Windows #
|
||||
# or Linux/BSD systems. Remember on #
|
||||
# Windows to quote pathnames and use #
|
||||
# double backslashes, e.g.: #
|
||||
# "C:\\\\Program Files\\\\OpenVPN\\\\config\\\\foo.key" #
|
||||
# #
|
||||
# Comments are preceded with '#' or ';' #
|
||||
#################################################
|
||||
|
||||
# Which local IP address should OpenVPN
|
||||
# listen on? (optional)
|
||||
;local a.b.c.d
|
||||
|
||||
# Which TCP/UDP port should OpenVPN listen on?
|
||||
# If you want to run multiple OpenVPN instances
|
||||
# on the same machine, use a different port
|
||||
# number for each one. You will need to
|
||||
# open up this port on your firewall.
|
||||
port $SERVER_PORT
|
||||
|
||||
# TCP or UDP server?
|
||||
;proto tcp
|
||||
proto udp
|
||||
|
||||
topology subnet
|
||||
EOF
|
||||
|
||||
if [[ ${#LOCAL_NETWORK_ARR[@]} -gt 0 ]]; then
|
||||
for _local_network in ${LOCAL_NETWORK_ARR[@]} ; do
|
||||
IFS='/' read -a _net_arr <<< "${_local_network}"
|
||||
if [[ -n ${_net_arr[1]} ]]; then
|
||||
_netmask=$(cidr2mask ${_net_arr[1]})
|
||||
else
|
||||
_netmask="255.255.255.0"
|
||||
fi
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
route ${_net_arr[0]} $_netmask $OPENVPN_SERVER_IP
|
||||
EOF
|
||||
done
|
||||
fi
|
||||
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
|
||||
# "dev tun" will create a routed IP tunnel,
|
||||
# "dev tap" will create an ethernet tunnel.
|
||||
# Use "dev tap" if you are ethernet bridging.
|
||||
# If you want to control access policies
|
||||
# over the VPN, you must create firewall
|
||||
# rules for the the TUN/TAP interface.
|
||||
# On non-Windows systems, you can give
|
||||
# an explicit unit number, such as tun0.
|
||||
# On Windows, use "dev-node" for this.
|
||||
# On most systems, the VPN will not function
|
||||
# unless you partially or fully disable
|
||||
# the firewall for the TUN/TAP interface.
|
||||
;dev tap
|
||||
dev tun
|
||||
|
||||
# Enable TUN IPv6 module
|
||||
;tun-ipv6
|
||||
|
||||
# Windows needs the TAP-Win32 adapter name
|
||||
# from the Network Connections panel if you
|
||||
# have more than one. On XP SP2 or higher,
|
||||
# you may need to selectively disable the
|
||||
# Windows firewall for the TAP adapter.
|
||||
# Non-Windows systems usually don't need this.
|
||||
;dev-node MyTap
|
||||
|
||||
# SSL/TLS root certificate (ca), certificate
|
||||
# (cert), and private key (key). Each client
|
||||
# and the server must have their own cert and
|
||||
# key file. The server and all clients will
|
||||
# use the same ca file.
|
||||
#
|
||||
# See the "easy-rsa" directory for a series
|
||||
# of scripts for generating RSA certificates
|
||||
# and private keys. Remember to use
|
||||
# a unique Common Name for the server
|
||||
# and each of the client certificates.
|
||||
#
|
||||
# Any X509 key management system can be used.
|
||||
# OpenVPN can also use a PKCS #12 formatted key file
|
||||
# (see "pkcs12" directive in man page).
|
||||
ca ${OPENVPN_BASE_DIR}/keys/ca.crt
|
||||
cert ${OPENVPN_BASE_DIR}/keys/server.crt
|
||||
key ${OPENVPN_BASE_DIR}/keys/server.key # This file should be kept secret
|
||||
|
||||
# Diffie hellman parameters.
|
||||
# Generate your own with:
|
||||
# openssl dhparam -out dh1024.pem 1024
|
||||
# Substitute 2048 for 1024 if you are using
|
||||
# 2048 bit keys.
|
||||
dh ${OPENVPN_BASE_DIR}/keys/dh${KEY_SIZE}.pem
|
||||
|
||||
# Configure server mode and supply a VPN subnet
|
||||
# for OpenVPN to draw client addresses from.
|
||||
# The server will take 10.8.0.1 for itself,
|
||||
# the rest will be made available to clients.
|
||||
# Each client will be able to reach the server
|
||||
# on 10.8.0.1. Comment this line out if you are
|
||||
# ethernet bridging. See the man page for more info.
|
||||
;server 10.8.0.0 255.255.255.0
|
||||
;server-ipv6 2a01:30:1fff:fd00::/64
|
||||
server $OPENVPN_NETWORK 255.255.255.0
|
||||
|
||||
# Maintain a record of client <-> virtual IP address
|
||||
# associations in this file. If OpenVPN goes down or
|
||||
# is restarted, reconnecting clients can be assigned
|
||||
# the same virtual IP address from the pool that was
|
||||
# previously assigned.
|
||||
ifconfig-pool-persist ${OPENVPN_BASE_DIR}/ipp.txt
|
||||
|
||||
# Configure server mode for ethernet bridging.
|
||||
# You must first use your OS's bridging capability
|
||||
# to bridge the TAP interface with the ethernet
|
||||
# NIC interface. Then you must manually set the
|
||||
# IP/netmask on the bridge interface, here we
|
||||
# assume 10.8.0.4/255.255.255.0. Finally we
|
||||
# must set aside an IP range in this subnet
|
||||
# (start=10.8.0.50 end=10.8.0.100) to allocate
|
||||
# to connecting clients. Leave this line commented
|
||||
# out unless you are ethernet bridging.
|
||||
;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100
|
||||
|
||||
# Push routes to the client to allow it
|
||||
# to reach other private subnets behind
|
||||
# the server. Remember that these
|
||||
# private subnets will also need
|
||||
# to know to route the OpenVPN client
|
||||
# address pool (10.8.0.0/255.255.255.0)
|
||||
# back to the OpenVPN server.
|
||||
;push "route 10.8.0.0 255.255.255.0"
|
||||
EOF
|
||||
if [[ ${#REMOTE_NETWORK_ARR[@]} -gt 0 ]]; then
|
||||
for _remote_network in ${REMOTE_NETWORK_ARR[@]} ; do
|
||||
IFS='/' read -a _net_arr <<< "${_remote_network}"
|
||||
if [[ -n ${_net_arr[1]} ]]; then
|
||||
_netmask=$(cidr2mask ${_net_arr[1]})
|
||||
else
|
||||
_netmask="255.255.255.0"
|
||||
fi
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
push "route ${_net_arr[0]} $_netmask"
|
||||
EOF
|
||||
done
|
||||
fi
|
||||
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
|
||||
# To assign specific IP addresses to specific
|
||||
# clients or if a connecting client has a private
|
||||
# subnet behind it that should also have VPN access,
|
||||
# use the subdirectory "ccd" for client-specific
|
||||
# configuration files (see man page for more info).
|
||||
client-config-dir $OPENVPN_CCD_DIR
|
||||
|
||||
# ---
|
||||
# EXAMPLE: Suppose the client
|
||||
# having the certificate common name "Thelonious"
|
||||
# also has a small subnet behind his connecting
|
||||
# machine, such as 192.168.40.128/255.255.255.248.
|
||||
# First, uncomment out these lines:
|
||||
;client-config-dir /etc/openvpn/ccd
|
||||
;route 192.168.40.128 255.255.255.248
|
||||
|
||||
# Then create a file ccd/Thelonious with this line:
|
||||
# iroute 192.168.40.128 255.255.255.248
|
||||
# This will allow Thelonious' private subnet to
|
||||
# access the VPN. This example will only work
|
||||
# if you are routing, not bridging, i.e. you are
|
||||
# using "dev tun" and "server" directives.
|
||||
# ---
|
||||
|
||||
# ---
|
||||
# EXAMPLE: Suppose you want to give
|
||||
# Thelonious a fixed VPN IP address of 10.9.0.1.
|
||||
# First uncomment out these lines:
|
||||
;client-config-dir ccd
|
||||
;route 10.9.0.0 255.255.255.252
|
||||
|
||||
# Then add this line to ccd/Thelonious:
|
||||
# ifconfig-push 10.9.0.1 10.9.0.2
|
||||
# ---
|
||||
|
||||
# ---
|
||||
# Suppose that you want to enable different
|
||||
# firewall access policies for different groups
|
||||
# of clients. There are two methods:
|
||||
# (1) Run multiple OpenVPN daemons, one for each
|
||||
# group, and firewall the TUN/TAP interface
|
||||
# for each group/daemon appropriately.
|
||||
# (2) (Advanced) Create a script to dynamically
|
||||
# modify the firewall in response to access
|
||||
# from different clients. See man
|
||||
# page for more info on learn-address script.
|
||||
;learn-address ./script
|
||||
# ---
|
||||
|
||||
# If enabled, this directive will configure
|
||||
# all clients to redirect their default
|
||||
# network gateway through the VPN, causing
|
||||
# all IP traffic such as web browsing and
|
||||
# and DNS lookups to go through the VPN
|
||||
# (The OpenVPN server machine may need to NAT
|
||||
# the TUN/TAP interface to the internet in
|
||||
# order for this to work properly).
|
||||
# CAVEAT: May break client's network config if
|
||||
# client's local DHCP server packets get routed
|
||||
# through the tunnel. Solution: make sure
|
||||
# client's local DHCP server is reachable via
|
||||
# a more specific route than the default route
|
||||
# of 0.0.0.0/0.0.0.0.
|
||||
;push "redirect-gateway"
|
||||
|
||||
# Certain Windows-specific network settings
|
||||
# can be pushed to clients, such as DNS
|
||||
# or WINS server addresses. CAVEAT:
|
||||
# http://openvpn.net/faq.html#dhcpcaveats
|
||||
;push "dhcp-option WINS 10.8.0.1"
|
||||
EOF
|
||||
if [[ -n "$DNS_SERVER" ]]; then
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
push "dhcp-option DNS ${DNS_SERVER}"
|
||||
EOF
|
||||
fi
|
||||
|
||||
if [[ ${#SEARCH_DOMAINS_ARR[@]} -gt 0 ]]; then
|
||||
for _domain in ${SEARCH_DOMAINS_ARR[@]} ; do
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
push "dhcp-option DOMAIN ${_domain}"
|
||||
EOF
|
||||
done
|
||||
fi
|
||||
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
|
||||
# Uncomment this directive to allow different
|
||||
# clients to be able to "see" each other.
|
||||
# By default, clients will only see the server.
|
||||
# To force clients to only see the server, you
|
||||
# will also need to appropriately firewall the
|
||||
# server's TUN/TAP interface.
|
||||
client-to-client
|
||||
|
||||
# Uncomment this directive if multiple clients
|
||||
# might connect with the same certificate/key
|
||||
# files or common names. This is recommended
|
||||
# only for testing purposes. For production use,
|
||||
# each client should have its own certificate/key
|
||||
# pair.
|
||||
#
|
||||
# IF YOU HAVE NOT GENERATED INDIVIDUAL
|
||||
# CERTIFICATE/KEY PAIRS FOR EACH CLIENT,
|
||||
# EACH HAVING ITS OWN UNIQUE "COMMON NAME",
|
||||
# UNCOMMENT THIS LINE OUT.
|
||||
;duplicate-cn
|
||||
|
||||
# The keepalive directive causes ping-like
|
||||
# messages to be sent back and forth over
|
||||
# the link so that each side knows when
|
||||
# the other side has gone down.
|
||||
# Ping every 10 seconds, assume that remote
|
||||
# peer is down if no ping received during
|
||||
# a 120 second time period.
|
||||
keepalive 10 120
|
||||
|
||||
# For extra security beyond that provided
|
||||
# by SSL/TLS, create an "HMAC firewall"
|
||||
# to help block DoS attacks and UDP port flooding.
|
||||
#
|
||||
# Generate with:
|
||||
# openvpn --genkey --secret ta.key
|
||||
#
|
||||
# The server and each client must have
|
||||
# a copy of this key.
|
||||
# The second parameter should be '0'
|
||||
# on the server and '1' on the clients.
|
||||
;tls-auth ta.key 0 # This file is secret
|
||||
tls-auth ${OPENVPN_BASE_DIR}/keys/ta.key 0
|
||||
|
||||
# Select a cryptographic cipher.
|
||||
# This config item must be copied to
|
||||
# the client config file as well.
|
||||
;cipher BF-CBC # Blowfish (default)
|
||||
;cipher AES-128-CBC # AES
|
||||
;cipher DES-EDE3-CBC # Triple-DES
|
||||
EOF
|
||||
|
||||
if [[ -n "$SERVER_CIPHER" ]]; then
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
cipher $SERVER_CIPHER
|
||||
EOF
|
||||
|
||||
fi
|
||||
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
|
||||
# Enable compression on the VPN link.
|
||||
# If you enable it here, you must also
|
||||
# enable it in the client config file.
|
||||
;comp-lzo
|
||||
EOF
|
||||
|
||||
if $LZO_COMPRESSION ; then
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
comp-lzo
|
||||
EOF
|
||||
fi
|
||||
|
||||
cat <<EOF >> ${_server_conf_file} 2>> "$log_file"
|
||||
|
||||
# The maximum number of concurrently connected
|
||||
# clients we want to allow.
|
||||
;max-clients 100
|
||||
|
||||
# It's a good idea to reduce the OpenVPN
|
||||
# daemon's privileges after initialization.
|
||||
#
|
||||
# You can uncomment this out on
|
||||
# non-Windows systems.
|
||||
user nobody
|
||||
group nogroup
|
||||
|
||||
# The persist options will try to avoid
|
||||
# accessing certain resources on restart
|
||||
# that may no longer be accessible because
|
||||
# of the privilege downgrade.
|
||||
persist-key
|
||||
persist-tun
|
||||
persist-local-ip
|
||||
persist-remote-ip
|
||||
|
||||
# Output a short status file showing
|
||||
# current connections, truncated
|
||||
# and rewritten every minute.
|
||||
;status openvpn-status.log
|
||||
status /var/log/openvpn/status-server-${OPENVPN_NAME}.log
|
||||
|
||||
# By default, log messages will go to the syslog (or
|
||||
# on Windows, if running as a service, they will go to
|
||||
# the "\Program Files\OpenVPN\log" directory).
|
||||
# Use log or log-append to override this default.
|
||||
# "log" will truncate the log file on OpenVPN startup,
|
||||
# while "log-append" will append to it. Use one
|
||||
# or the other (but not both).
|
||||
;log-append openvpn.log
|
||||
;log openvpn.log
|
||||
log /var/log/openvpn/server-${OPENVPN_NAME}.log
|
||||
|
||||
# Set the appropriate level of log
|
||||
# file verbosity.
|
||||
#
|
||||
# 0 is silent, except for fatal errors
|
||||
# 4 is reasonable for general usage
|
||||
# 5 and 6 can help to debug connection problems
|
||||
# 9 is extremely verbose
|
||||
verb 1
|
||||
|
||||
# Silence repeating messages. At most 20
|
||||
# sequential messages of the same message
|
||||
# category will be output to the log.
|
||||
;mute 20
|
||||
|
||||
# CRL (certificate revocation list) verification
|
||||
crl-verify ${OPENVPN_BASE_DIR}/crl.pem
|
||||
EOF
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
|
||||
echo ""
|
||||
|
||||
|
||||
# - Start OpenVPN Service
|
||||
# -
|
||||
echononl " Start OpenVPN Service"
|
||||
if $systemd_supported ; then
|
||||
$systemctl start $service_name > "$log_file" 2>&1
|
||||
if [[ $? -ne 0 ]]; then
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
else
|
||||
echo_ok
|
||||
fi
|
||||
else
|
||||
$init_script start > "$log_file" 2>&1
|
||||
if [[ $? -ne 0 ]]; then
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
else
|
||||
echo_ok
|
||||
fi
|
||||
fi
|
||||
|
||||
|
||||
# - See if OpenVPN Service is running/has started
|
||||
#
|
||||
check_string_ps="$openvpn_binary"
|
||||
check_string_ps_plus="--daemon"
|
||||
sleep 2
|
||||
PID=$(ps -e f | grep -E "[[:digit:]]\ ${check_string_ps}" | grep "\ ${check_string_ps_plus}\ " | grep -v grep | awk '{print$2}')
|
||||
if [[ "X${PID}" = "X" ]]; then
|
||||
warn "\033[37m\033[1mOpenVPN Service is NOT running.\033[m\n Maybe you have to restart the machine in order to start openvpn daemon."
|
||||
fi
|
||||
|
||||
|
||||
echo ""
|
||||
clean_up 0
|
||||
|
||||
Reference in New Issue
Block a user