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mirror of synced 2024-11-26 06:46:06 +03:00

Update IKEv2 script

- Add an option to specify the name of the first IKEv2 client when
  running the script in auto mode. The default is "vpnclient".
- Cleanup
This commit is contained in:
hwdsl2 2021-04-10 16:24:49 -05:00
parent 804856064b
commit 5076f9ec03

View File

@ -144,9 +144,22 @@ EOF
exit 1
}
check_ikev2_exists() {
grep -qs "conn ikev2-cp" /etc/ipsec.conf || [ -f /etc/ipsec.d/ikev2.conf ]
}
check_client_name() {
! { [ "${#client_name}" -gt "64" ] || printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac; }
}
check_client_cert_exists() {
certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1
}
check_arguments() {
if [ "$use_defaults" = "1" ]; then
if grep -qs "conn ikev2-cp" /etc/ipsec.conf || [ -f /etc/ipsec.d/ikev2.conf ]; then
if check_ikev2_exists; then
echo "Warning: Ignoring parameter '--auto'. Use '-h' for usage information." >&2
echo >&2
fi
@ -155,39 +168,27 @@ check_arguments() {
show_usage "Invalid parameters. Specify only one of '--addclient', '--exportclient' or '--listclients'."
fi
if [ "$add_client_using_defaults" = "1" ]; then
if ! grep -qs "conn ikev2-cp" /etc/ipsec.conf && [ ! -f /etc/ipsec.d/ikev2.conf ]; then
exiterr "You must first set up IKEv2 before adding a new client."
fi
if [ -z "$client_name" ] || [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac; then
! check_ikev2_exists && exiterr "You must first set up IKEv2 before adding a new client."
if [ -z "$client_name" ] || ! check_client_name; then
exiterr "Invalid client name. Use one word only, no special characters except '-' and '_'."
elif certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; then
elif check_client_cert_exists; then
exiterr "Invalid client name. Client '$client_name' already exists."
fi
fi
if [ "$export_client_using_defaults" = "1" ]; then
if ! grep -qs "conn ikev2-cp" /etc/ipsec.conf && [ ! -f /etc/ipsec.d/ikev2.conf ]; then
exiterr "You must first set up IKEv2 before exporting a client configuration."
fi
! check_ikev2_exists && exiterr "You must first set up IKEv2 before exporting a client configuration."
get_server_address
if [ -z "$client_name" ] || [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
if [ -z "$client_name" ] || ! check_client_name \
|| [ "$client_name" = "IKEv2 VPN CA" ] || [ "$client_name" = "$server_addr" ] \
|| case $client_name in -*) true;; *) false;; esac \
|| ! certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; then
|| ! check_client_cert_exists; then
exiterr "Invalid client name, or client does not exist."
fi
fi
if [ "$list_clients" = "1" ]; then
if ! grep -qs "conn ikev2-cp" /etc/ipsec.conf && [ ! -f /etc/ipsec.d/ikev2.conf ]; then
exiterr "You must first set up IKEv2 before listing clients."
fi
! check_ikev2_exists && exiterr "You must first set up IKEv2 before listing clients."
fi
if [ "$remove_ikev2" = "1" ]; then
if ! grep -qs "conn ikev2-cp" /etc/ipsec.conf && [ ! -f /etc/ipsec.d/ikev2.conf ]; then
exiterr "Cannot remove IKEv2 because it has not been set up on this server."
fi
! check_ikev2_exists && exiterr "Cannot remove IKEv2 because it has not been set up on this server."
if [ "$((add_client_using_defaults + export_client_using_defaults + list_clients + use_defaults))" -gt 0 ]; then
show_usage "Invalid parameters. '--removeikev2' cannot be specified with other parameters."
fi
@ -221,14 +222,6 @@ check_server_cert_exists() {
fi
}
check_client_cert_exists() {
if certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; then
echo "Error: Client '$client_name' already exists." >&2
echo "Abort. No changes were made." >&2
exit 1
fi
}
check_swan_ver() {
if [ "$in_container" = "0" ]; then
swan_ver_url="https://dl.ls20.com/v1/$os_type/$os_ver/swanverikev2?arch=$os_arch&ver=$swan_ver&auto=$use_defaults"
@ -390,13 +383,8 @@ enter_client_name() {
echo "Provide a name for the IKEv2 VPN client."
echo "Use one word only, no special characters except '-' and '_'."
read -rp "Client name: " client_name
while [ -z "$client_name" ] || [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac \
|| certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; do
if [ -z "$client_name" ] || [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac; then
while [ -z "$client_name" ] || ! check_client_name || check_client_cert_exists; do
if [ -z "$client_name" ] || ! check_client_name; then
echo "Invalid client name."
else
echo "Invalid client name. Client '$client_name' already exists."
@ -411,13 +399,8 @@ enter_client_name_with_defaults() {
echo "Use one word only, no special characters except '-' and '_'."
read -rp "Client name: [vpnclient] " client_name
[ -z "$client_name" ] && client_name=vpnclient
while [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac \
|| certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; do
if [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
|| case $client_name in -*) true;; *) false;; esac; then
while ! check_client_name || check_client_cert_exists; do
if ! check_client_name; then
echo "Invalid client name."
else
echo "Invalid client name. Client '$client_name' already exists."
@ -433,11 +416,9 @@ enter_client_name_for_export() {
get_server_address
echo
read -rp "Enter the name of the IKEv2 client to export: " client_name
while [ -z "$client_name" ] || [ "${#client_name}" -gt "64" ] \
|| printf '%s' "$client_name" | LC_ALL=C grep -q '[^A-Za-z0-9_-]\+' \
while [ -z "$client_name" ] || ! check_client_name \
|| [ "$client_name" = "IKEv2 VPN CA" ] || [ "$client_name" = "$server_addr" ] \
|| case $client_name in -*) true;; *) false;; esac \
|| ! certutil -L -d sql:/etc/ipsec.d -n "$client_name" >/dev/null 2>&1; do
|| ! check_client_cert_exists; do
echo "Invalid client name, or client does not exist."
read -rp "Enter the name of the IKEv2 client to export: " client_name
done
@ -1283,7 +1264,7 @@ ikev2setup() {
exit 0
fi
if grep -qs "conn ikev2-cp" /etc/ipsec.conf || [ -f /etc/ipsec.d/ikev2.conf ]; then
if check_ikev2_exists; then
select_menu_option
case $selected_option in
1)
@ -1348,6 +1329,14 @@ ikev2setup() {
else
check_server_dns_name
check_custom_dns
if [ -n "$VPN_CLIENT_NAME" ]; then
client_name="$VPN_CLIENT_NAME"
check_client_name || exiterr "Invalid client name. Use one word only, no special characters except '-' and '_'."
else
client_name=vpnclient
fi
check_client_cert_exists && exiterr "Client '$client_name' already exists."
client_validity=120
show_start_message
if [ -n "$VPN_DNS_NAME" ]; then
use_dns_name=1
@ -1359,9 +1348,6 @@ ikev2setup() {
server_addr="$public_ip"
fi
check_server_cert_exists
client_name=vpnclient
check_client_cert_exists
client_validity=120
if [ -n "$VPN_DNS_SRV1" ] && [ -n "$VPN_DNS_SRV2" ]; then
dns_server_1="$VPN_DNS_SRV1"
dns_server_2="$VPN_DNS_SRV2"