diff --git a/src/filesystem/credentials.rs b/src/filesystem/credentials.rs
new file mode 100644
index 0000000..e40dc35
--- /dev/null
+++ b/src/filesystem/credentials.rs
@@ -0,0 +1,111 @@
+use crate::config::get_config;
+use crate::log::{log, LogLevel};
+use std::process::Command;
+
+/// Speichert die Zugangsdaten für einen WebDAV-Mount-Punkt.
+///
+/// # Parameter
+/// * `mount_path` - Der Netzwerkpfad zum WebDAV-Server
+/// * `username` - Der Benutzername für den WebDAV-Zugriff  
+/// * `password` - Das Passwort für den WebDAV-Zugriff
+pub fn save_credentials_webdav() {
+    let config = get_config();
+
+    #[cfg(target_os = "windows")]
+    {
+        let output = Command::new("powershell")
+            .args([
+                "-Command",
+                &format!("cmdkey /delete:{}", config.remote.mount_path)
+            ])
+            .output()
+            .expect("Failed to delete credentials");
+
+        let output = Command::new("powershell")
+            .args([
+                "-Command",
+                &format!("cmdkey /add:{} /user:{} /pass:{}",
+                         config.remote.mount_path,
+                         config.remote.username,
+                         config.remote.password
+                )
+            ])
+            .output()
+            .expect("Failed to store credentials");
+
+        if !output.status.success() {
+            log(
+                "credentials",
+                "Could not store credentials in Windows Credential Manager",
+                LogLevel::Error,
+            );
+            log(
+                "credentials",
+                &String::from_utf8_lossy(&output.stderr),
+                LogLevel::Debug,
+            );
+        }
+    }
+
+    #[cfg(not(target_os = "windows"))]
+    {
+        if config.remote.username.is_empty() || config.remote.password.is_empty() {
+            log(
+                "credentials",
+                "No credentials found in config",
+                LogLevel::Error,
+            );
+            return;
+        }
+
+        let output = Command::new("touch")
+            .arg("/etc/davfs2/secrets")
+            .output()
+            .expect("Failed to create secrets file");
+
+        if !output.status.success() {
+            log(
+                "credentials",
+                "Could not create secrets file",
+                LogLevel::Error,
+            );
+            return;
+        }
+
+        let output = Command::new("chmod")
+            .arg("600")
+            .arg("/etc/davfs2/secrets")
+            .output()
+            .expect("Failed to set secrets file permissions");
+
+        if !output.status.success() {
+            log(
+                "credentials",
+                "Could not set secrets file permissions",
+                LogLevel::Error,
+            );
+            return;
+        }
+
+        let credentials = format!("{} \"{}\" \"{}\"\n",
+                                  config.general.mount_point,
+                                  config.remote.username,
+                                  config.remote.password
+        );
+        let mut content = std::fs::read_to_string("/etc/davfs2/secrets")
+            .unwrap_or_default();
+
+        content = content.lines()
+            .filter(|line| !line.starts_with(&config.general.mount_point))
+            .collect::<Vec<&str>>()
+            .join("\n");
+
+        if !content.is_empty() {
+            content.push('\n');
+        }
+        content.push_str(&credentials);
+
+        std::fs::write("/etc/davfs2/secrets", content)
+            .expect("Failed to write credentials");
+    }
+}
\ No newline at end of file