Client: handle missing resolvconf when DNS is set

client/install_client.sh

@@ -164,6 +164,16 @@ collect_inputs() {
 
 install_packages() {
   apt_install_if_missing wireguard wireguard-tools iproute2 openssh-client sshpass ca-certificates
+
+  if ! command -v resolvconf >/dev/null 2>&1; then
+    if apt-cache show openresolv >/dev/null 2>&1; then
+      apt_install_if_missing openresolv
+    elif apt-cache show resolvconf >/dev/null 2>&1; then
+      apt_install_if_missing resolvconf
+    else
+      log_warn "Пакеты openresolv/resolvconf недоступны. DNS-строка в wg0.conf будет пропущена."
+    fi
+  fi
 }
 
 reset_existing_client_install() {
@@ -312,7 +322,11 @@ write_client_config() {
     echo "[Interface]"
     echo "PrivateKey = $(cat "$CLIENT_PRIV_KEY_PATH")"
     echo "Address = ${CLIENT_INTERFACE_ADDRESS}"
-    echo "DNS = ${dns}"
+    if command -v resolvconf >/dev/null 2>&1; then
+      echo "DNS = ${dns}"
+    else
+      log_warn "Команда resolvconf не найдена. Пропускаю строку DNS в конфиге WireGuard."
+    fi
     if [[ -n "$PRE_UP" ]]; then
       echo "$PRE_UP"
     fi