From 774c1fb40e7e75fceda9c8dc50eae739a13707c1 Mon Sep 17 00:00:00 2001
From: Tiago <tiago.aica@outlook.pt>
Date: Sat, 14 Feb 2026 17:54:52 +0000
Subject: [PATCH] Update debian/set_mac_wifi.sh

---
 debian/set_mac_wifi.sh | 37 +++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/debian/set_mac_wifi.sh b/debian/set_mac_wifi.sh
index e8f2131..65ff3ae 100644
--- a/debian/set_mac_wifi.sh
+++ b/debian/set_mac_wifi.sh
@@ -18,23 +18,44 @@ set_mac() {
     local interface="$1"
     local mac="$2"
     local success=false
+    local log_file="/var/log/set_mac.log"
 
-    if ip link show "$interface" &> /dev/null; then
-        # Try to set MAC
+    # Verifica se a interface existe
+    if ! ip link show "$interface" &> /dev/null; then
+        echo "$(date): Interface $interface não encontrada." | tee -a "$log_file"
+        return 1
+    fi
+
+    # Verifica se macchanger está instalado
+    if command -v macchanger >/dev/null 2>&1; then
+        echo "$(date): Usando macchanger para definir MAC de $interface para $mac" | tee -a "$log_file"
+        # Tenta usar macchanger
+        if ip link set "$interface" down && \
+           macchanger -m "$mac" "$interface" >/dev/null 2>&1 && \
+           ip link set "$interface" up; then
+            echo "$(date): Sucesso ao definir MAC com macchanger para $interface (novo: $mac)" | tee -a "$log_file"
+            success=true
+        else
+            echo "$(date): Falha ao definir MAC com macchanger para $interface. Tentando fallback com ip link..." | tee -a "$log_file"
+        fi
+    fi
+
+    # Fallback para ip link (se macchanger não estiver disponível ou falhar)
+    if [ "$success" = false ]; then
+        # Tenta com ip link diretamente
         if ip link set "$interface" down && \
            ip link set dev "$interface" address "$mac" && \
            ip link set "$interface" up; then
-            echo "$(date): MAC address for $interface set to $mac" | tee -a /var/log/set_mac.log
+            echo "$(date): Sucesso ao definir MAC com 'ip link' para $interface (novo: $mac)" | tee -a "$log_file"
             success=true
         else
-            echo "$(date): Failed to set MAC address for $interface" | tee -a /var/log/set_mac.log
+            echo "$(date): Falha ao definir MAC para $interface com ambos os métodos." | tee -a "$log_file"
+            return 1
         fi
-    else
-        echo "$(date): Interface $interface not found" | tee -a /var/log/set_mac.log
     fi
 
-    # Return success (0) or failure (1)
-    $success
+    # Retorna sucesso (0) ou falha (1)
+    return $([ "$success" = true ] && echo 0 || echo 1)
 }
 
 # Function to configure static IP