From 5fd2a53541a2f5e1652b0391fd629ad1eb72edbe Mon Sep 17 00:00:00 2001
From: Ilya Chernishev <d3m0k1d1337@gmail.com>
Date: Mon, 12 Jan 2026 17:53:39 +0300
Subject: [PATCH] revert: restore original ufw.go

---
 internal/blocker/ufw.go | 105 +++-------------------------------------
 1 file changed, 8 insertions(+), 97 deletions(-)

diff --git a/internal/blocker/ufw.go b/internal/blocker/ufw.go
index 91afabb..67b1b47 100644
--- a/internal/blocker/ufw.go
+++ b/internal/blocker/ufw.go
@@ -1,9 +1,7 @@
 package blocker
 
 import (
-	"fmt"
 	"os/exec"
-	"strings"
 
 	"github.com/d3m0k1d/BanForge/internal/logger"
 )
@@ -18,119 +16,32 @@ func NewUfw(logger *logger.Logger) *Ufw {
 	}
 }
 
-// Name returns the blocker engine name
-func (u *Ufw) Name() string {
-	return "ufw"
-}
-
-// IsAvailable checks if ufw is available in the system
-func (u *Ufw) IsAvailable() bool {
-	cmd := exec.Command("which", "ufw")
-	return cmd.Run() == nil
-}
-
-// Setup initializes UFW (if not already enabled)
-func (u *Ufw) Setup() error {
-	// Check if UFW is enabled
-	cmd := exec.Command("sudo", "ufw", "status")
-	output, err := cmd.CombinedOutput()
-
-	if err != nil || !strings.Contains(string(output), "active") {
-		u.logger.Warn("UFW is not active, attempting to enable...")
-		cmd := exec.Command("sudo", "ufw", "--force", "enable")
-		output, err := cmd.CombinedOutput()
-		if err != nil {
-			u.logger.Error("failed to enable UFW",
-				"error", err.Error(),
-				"output", string(output))
-			return fmt.Errorf("failed to enable UFW: %w", err)
-		}
-		u.logger.Info("UFW enabled successfully")
-	}
-
-	u.logger.Info("UFW setup completed")
-	return nil
-}
-
-// Ban adds an IP to the deny list
-func (u *Ufw) Ban(ip string) error {
+func (ufw *Ufw) Ban(ip string) error {
 	err := validateIP(ip)
 	if err != nil {
 		return err
 	}
-
 	cmd := exec.Command("sudo", "ufw", "--force", "deny", "from", ip)
 	output, err := cmd.CombinedOutput()
 	if err != nil {
-		u.logger.Error("failed to ban IP",
-			"ip", ip,
-			"error", err.Error(),
-			"output", string(output))
-		return fmt.Errorf("failed to ban IP %s: %w", ip, err)
+		ufw.logger.Error(err.Error())
+		return err
 	}
-
-	u.logger.Info("IP banned", "ip", ip, "output", string(output))
+	ufw.logger.Info("Banning " + ip + " " + string(output))
 	return nil
 }
 
-// Unban removes an IP from the deny list
-func (u *Ufw) Unban(ip string) error {
+func (ufw *Ufw) Unban(ip string) error {
 	err := validateIP(ip)
 	if err != nil {
 		return err
 	}
-
 	cmd := exec.Command("sudo", "ufw", "--force", "delete", "deny", "from", ip)
 	output, err := cmd.CombinedOutput()
 	if err != nil {
-		u.logger.Error("failed to unban IP",
-			"ip", ip,
-			"error", err.Error(),
-			"output", string(output))
-		return fmt.Errorf("failed to unban IP %s: %w", ip, err)
+		ufw.logger.Error(err.Error())
+		return err
 	}
-
-	u.logger.Info("IP unbanned", "ip", ip, "output", string(output))
-	return nil
-}
-
-// List returns all currently denied IPs
-func (u *Ufw) List() ([]string, error) {
-	cmd := exec.Command("sudo", "ufw", "status", "numbered")
-	output, err := cmd.CombinedOutput()
-	if err != nil {
-		u.logger.Error("failed to list UFW rules",
-			"error", err.Error(),
-			"output", string(output))
-		return nil, fmt.Errorf("failed to list UFW rules: %w", err)
-	}
-
-	var deniedIPs []string
-	lines := strings.Split(string(output), "\n")
-	for _, line := range lines {
-		// Looking for lines with "Deny" and "From"
-		if strings.Contains(line, "Deny") && strings.Contains(line, "Anywhere on") {
-			// Parse UFW status output format
-			parts := strings.Fields(line)
-			for i, part := range parts {
-				// Extract IP that comes after "from"
-				if part == "from" && i+1 < len(parts) {
-					ip := parts[i+1]
-					if validateIP(ip) == nil {
-						deniedIPs = append(deniedIPs, ip)
-					}
-					break
-				}
-			}
-		}
-	}
-
-	return deniedIPs, nil
-}
-
-// Close performs cleanup operations (placeholder for future use)
-func (u *Ufw) Close() error {
-	// No cleanup needed for UFW
-	u.logger.Info("UFW blocker closed")
+	ufw.logger.Info("Unbanning " + ip + " " + string(output))
 	return nil
 }