Update

app/utils/platform_utils.py

@@ -56,17 +56,68 @@ def run_command(cmd: list[str], timeout: int = 10) -> tuple[int, str, str]:
         return -1, "", str(e)
 
 
-def run_privileged(cmd: list[str], timeout: int = 10) -> tuple[int, str, str]:
+def run_privileged(cmd: list[str], timeout: int = 60) -> tuple[int, str, str]:
     if is_windows():
         return run_command(cmd, timeout)
     if has_root_privileges():
         return run_command(cmd, timeout)
-    # Tente pkexec puis sudo
-    for elevator in ("pkexec", "sudo"):
-        code, out, err = run_command([elevator] + cmd, timeout)
-        if code != -1 or "introuvable" not in err:
-            return code, out, err
-    return -1, "", "Élévation de privilèges impossible"
+
+    # 1. pkexec — dialogue graphique polkit (GNOME/KDE), timeout long pour la saisie
+    code, out, err = run_command(["pkexec"] + cmd, timeout)
+    if code != -1 or "introuvable" not in err:
+        return code, out, err
+
+    # 2. sudo avec programme askpass graphique (pas de TTY dans une app Qt)
+    askpass = _find_askpass()
+    if askpass:
+        env = os.environ.copy()
+        env["SUDO_ASKPASS"] = askpass
+        try:
+            result = subprocess.run(
+                ["sudo", "-A"] + cmd,
+                capture_output=True, text=True,
+                timeout=timeout, env=env,
+            )
+            return result.returncode, result.stdout.strip(), result.stderr.strip()
+        except subprocess.TimeoutExpired:
+            return -1, "", "Timeout élévation sudo"
+        except Exception as e:
+            return -1, "", str(e)
+
+    # 3. sudo classique (fonctionne si NOPASSWD configuré dans sudoers)
+    code, out, err = run_command(["sudo", "-n"] + cmd, 10)
+    if code != -1:
+        return code, out, err
+
+    return (
+        -1, "",
+        "Élévation de privilèges impossible.\n"
+        "Solutions :\n"
+        "  • Installer pkexec (polkit) pour le dialogue graphique\n"
+        "  • Ou ajouter dans /etc/sudoers :\n"
+        f"      {os.environ.get('USER','<user>')} ALL=(ALL) NOPASSWD: /usr/bin/wg-quick"
+    )
+
+
+def _find_askpass() -> str:
+    """Cherche un programme askpass graphique disponible."""
+    candidates = [
+        os.environ.get("SUDO_ASKPASS", ""),
+        "/usr/lib/openssh/gnome-ssh-askpass",
+        "/usr/bin/ssh-askpass",
+        "/usr/bin/x11-ssh-askpass",
+        "/usr/libexec/ssh-askpass",
+    ]
+    for p in candidates:
+        if p and os.path.isfile(p) and os.access(p, os.X_OK):
+            return p
+    # Cherche aussi via shutil
+    import shutil
+    for name in ("ssh-askpass", "x11-ssh-askpass", "gnome-ssh-askpass"):
+        found = shutil.which(name)
+        if found:
+            return found
+    return ""
 
 
 def wg_available() -> bool: