Merge branch 'main' into dev

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update README.md

Add install instructions for Gentoo

Cargo.lock

@@ -564,7 +564,7 @@ dependencies = [
 
 [[package]]
 name = "common"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "is_executable",
 ]
@@ -1430,7 +1430,7 @@ dependencies = [
 
 [[package]]
 name = "gpapi"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "anyhow",
  "base64 0.21.5",
@@ -1462,7 +1462,7 @@ dependencies = [
 
 [[package]]
 name = "gpauth"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -1483,7 +1483,7 @@ dependencies = [
 
 [[package]]
 name = "gpclient"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -1505,7 +1505,7 @@ dependencies = [
 
 [[package]]
 name = "gpgui-helper"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "anyhow",
  "clap",
@@ -1523,7 +1523,7 @@ dependencies = [
 
 [[package]]
 name = "gpservice"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "anyhow",
  "axum",
@@ -2537,7 +2537,7 @@ dependencies = [
 
 [[package]]
 name = "openconnect"
-version = "2.1.4"
+version = "2.2.1"
 dependencies = [
  "cc",
  "common",

Cargo.toml

@@ -5,7 +5,7 @@ members = ["crates/*", "apps/gpclient", "apps/gpservice", "apps/gpauth", "apps/g
 
 [workspace.package]
 rust-version = "1.70"
-version = "2.1.4"
+version = "2.2.1"
 authors = ["Kevin Yue <k3vinyue@gmail.com>"]
 homepage = "https://github.com/yuezk/GlobalProtect-openconnect"
 edition = "2021"

README.md

@@ -43,6 +43,12 @@ Options:
 See 'gpclient help <command>' for more information on a specific command.
 ```
 
+To use the default browser for authentication with the CLI version, you need to use the following command:
+
+```bash
+sudo -E gpclient connect --default-browser <portal>
+```
+
 ### GUI
 
 The GUI version is also available after you installed it. You can launch it from the application menu or run `gpclient launch-gui` in the terminal.
@@ -55,7 +61,7 @@ The GUI version is also available after you installed it. You can launch it from
 
 ### Debian/Ubuntu based distributions
 
-#### Install from PPA
+#### Install from PPA (Ubuntu 18.04 and later, except 24.04)
 
 ```
 sudo apt-get install gir1.2-gtk-3.0 gir1.2-webkit2-4.0
@@ -68,12 +74,29 @@ sudo apt-get install globalprotect-openconnect
 >
 > For Linux Mint, you might need to import the GPG key with: `sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 7937C393082992E5D6E4A60453FC26B43838D761` if you encountered an error `gpg: keyserver receive failed: General error`.
 
-#### Install from deb package
+#### **Ubuntu 24.04**
 
-Download the latest deb package from [releases](https://github.com/yuezk/GlobalProtect-openconnect/releases) page. Then install it with `dpkg`:
+The `libwebkit2gtk-4.0-37` package was [removed](https://bugs.launchpad.net/ubuntu/+source/webkit2gtk/+bug/2061914) from its repo, before [the issue](https://github.com/yuezk/GlobalProtect-openconnect/issues/351) gets resolved, you need to install them manually:
 
 ```bash
-sudo dpkg -i globalprotect-openconnect_*.deb
+wget http://launchpadlibrarian.net/704701349/libwebkit2gtk-4.0-37_2.43.3-1_amd64.deb
+wget http://launchpadlibrarian.net/704701345/libjavascriptcoregtk-4.0-18_2.43.3-1_amd64.deb
+
+sudo dpkg --install *.deb
+```
+
+And the latest package is not available in the PPA, you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.
+
+#### **Ubuntu 18.04**
+
+The latest package is not available in the PPA either, but you still needs to add the `ppa:yuezk/globalprotect-openconnect` repo beforehand to use the required `openconnect` package. Then you can follow the [Install from deb package](#install-from-deb-package) section to install the latest package.
+
+#### Install from deb package
+
+Download the latest deb package from [releases](https://github.com/yuezk/GlobalProtect-openconnect/releases) page. Then install it with `apt`:
+
+```bash
+sudo apt install --fix-broken globalprotect-openconnect_*.deb
 ```
 
 ### Arch Linux / Manjaro
@@ -120,6 +143,30 @@ Download the latest RPM package from [releases](https://github.com/yuezk/GlobalP
 ```bash
 sudo rpm -i globalprotect-openconnect-*.rpm
 ```
+### Gentoo
+
+Install from the ```rios``` or ```slonko``` overlays.  Example using rios:
+
+#### 1. Enable the overlay
+```
+sudo eselect repository enable rios
+```
+
+#### 2. Sync with the repository
+
+  - If you have eix installed, use it:
+```
+sudo eix-sync
+```
+  - Otherwise, use:
+```
+sudo emerge --sync
+```
+
+#### 3. Install
+
+```sudo emerge globalprotect-openconnect```
+
 
 ### Other distributions
 
@@ -151,6 +198,8 @@ You can also build the client from source, steps are as follows:
 
 1. How to deal with error `Secure Storage not ready`
 
+   Try upgrade the client to `2.2.0` or later, which will use a file-based storage as a fallback.
+
    You need to install the `gnome-keyring` package, and restart the system (See [#321](https://github.com/yuezk/GlobalProtect-openconnect/issues/321), [#316](https://github.com/yuezk/GlobalProtect-openconnect/issues/316)).
 
 2. How to deal with error `(gpauth:18869): Gtk-WARNING **: 10:33:37.566: cannot open display:`

apps/gpauth/Cargo.toml

@@ -8,7 +8,11 @@ license.workspace = true
 tauri-build = { version = "1.5", features = [] }
 
 [dependencies]
-gpapi = { path = "../../crates/gpapi", features = ["tauri", "clap"] }
+gpapi = { path = "../../crates/gpapi", features = [
+  "tauri",
+  "clap",
+  "browser-auth",
+] }
 anyhow.workspace = true
 clap.workspace = true
 env_logger.workspace = true

apps/gpauth/src/cli.rs

@@ -3,6 +3,7 @@ use gpapi::{
   auth::{SamlAuthData, SamlAuthResult},
   clap::args::Os,
   gp_params::{ClientOs, GpParams},
+  process::browser_authenticator::BrowserAuthenticator,
   utils::{normalize_server, openssl},
   GP_USER_AGENT,
 };
@@ -37,6 +38,8 @@ struct Cli {
   ignore_tls_errors: bool,
   #[arg(long)]
   clean: bool,
+  #[arg(long)]
+  default_browser: bool,
 }
 
 impl Cli {
@@ -56,6 +59,15 @@ impl Cli {
       None => portal_prelogin(&self.server, &gp_params).await?,
     };
 
+    if self.default_browser {
+      let browser_auth = BrowserAuthenticator::new(&saml_request);
+      browser_auth.authenticate()?;
+
+      info!("Please continue the authentication process in the default browser");
+
+      return Ok(());
+    }
+
     self.saml_request.replace(saml_request);
 
     let app = create_app(self.clone())?;

apps/gpclient/src/connect.rs

@@ -19,8 +19,9 @@ use gpapi::{
 use inquire::{Password, PasswordDisplayMode, Select, Text};
 use log::info;
 use openconnect::Vpn;
+use tokio::{io::AsyncReadExt, net::TcpListener};
 
-use crate::{cli::SharedArgs, GP_CLIENT_LOCK_FILE};
+use crate::{cli::SharedArgs, GP_CLIENT_LOCK_FILE, GP_CLIENT_PORT_FILE};
 
 #[derive(Args)]
 pub(crate) struct ConnectArgs {
@@ -47,8 +48,12 @@ pub(crate) struct ConnectArgs {
   #[arg(long, help = "Same as the '--csd-wrapper' option in the openconnect command")]
   csd_wrapper: Option<String>,
 
+  #[arg(long, default_value = "300", help = "Reconnection retry timeout in seconds")]
+  reconnect_timeout: u32,
   #[arg(short, long, help = "Request MTU from server (legacy servers only)")]
   mtu: Option<u32>,
+  #[arg(long, help = "Do not ask for IPv6 connectivity")]
+  disable_ipv6: bool,
 
   #[arg(long, default_value = GP_USER_AGENT, help = "The user agent to use")]
   user_agent: String,
@@ -60,6 +65,8 @@ pub(crate) struct ConnectArgs {
   hidpi: bool,
   #[arg(long, help = "Do not reuse the remembered authentication cookie")]
   clean: bool,
+  #[arg(long, help = "Use the default browser to authenticate")]
+  default_browser: bool,
 }
 
 impl ConnectArgs {
@@ -212,7 +219,9 @@ impl<'a> ConnectHandler<'a> {
       .user_agent(self.args.user_agent.clone())
       .csd_uid(csd_uid)
       .csd_wrapper(csd_wrapper)
+      .reconnect_timeout(self.args.reconnect_timeout)
       .mtu(mtu)
+      .disable_ipv6(self.args.disable_ipv6)
       .build()?;
 
     let vpn = Arc::new(vpn);
@@ -240,7 +249,9 @@ impl<'a> ConnectHandler<'a> {
 
     match prelogin {
       Prelogin::Saml(prelogin) => {
-        SamlAuthLauncher::new(&self.args.server)
+        let use_default_browser = prelogin.support_default_browser() && self.args.default_browser;
+
+        let cred = SamlAuthLauncher::new(&self.args.server)
           .gateway(is_gateway)
           .saml_request(prelogin.saml_request())
           .user_agent(&self.args.user_agent)
@@ -250,8 +261,21 @@ impl<'a> ConnectHandler<'a> {
           .fix_openssl(self.shared_args.fix_openssl)
           .ignore_tls_errors(self.shared_args.ignore_tls_errors)
           .clean(self.args.clean)
+          .default_browser(use_default_browser)
           .launch()
-          .await
+          .await?;
+
+        if let Some(cred) = cred {
+          return Ok(cred);
+        }
+
+        if !use_default_browser {
+          // This should never happen
+          unreachable!("SAML authentication failed without using the default browser");
+        }
+
+        info!("Waiting for the browser authentication to complete...");
+        wait_credentials().await
       }
       Prelogin::Standard(prelogin) => {
         let prefix = if is_gateway { "Gateway" } else { "Portal" };
@@ -274,6 +298,27 @@ impl<'a> ConnectHandler<'a> {
   }
 }
 
+async fn wait_credentials() -> anyhow::Result<Credential> {
+  // Start a local server to receive the browser authentication data
+  let listener = TcpListener::bind("127.0.0.1:0").await?;
+  let port = listener.local_addr()?.port();
+
+  // Write the port to a file
+  fs::write(GP_CLIENT_PORT_FILE, port.to_string())?;
+
+  info!("Listening authentication data on port {}", port);
+  let (mut socket, _) = listener.accept().await?;
+
+  info!("Received the browser authentication data from the socket");
+  let mut data = String::new();
+  socket.read_to_string(&mut data).await?;
+
+  // Remove the port file
+  fs::remove_file(GP_CLIENT_PORT_FILE)?;
+
+  Credential::from_gpcallback(&data)
+}
+
 fn write_pid_file() {
   let pid = std::process::id();
 

apps/gpclient/src/launch_gui.rs

@@ -7,6 +7,9 @@ use gpapi::{
   utils::{endpoint::http_endpoint, env_file, shutdown_signal},
 };
 use log::info;
+use tokio::io::AsyncWriteExt;
+
+use crate::GP_CLIENT_PORT_FILE;
 
 #[derive(Args)]
 pub(crate) struct LaunchGuiArgs {
@@ -78,6 +81,11 @@ impl<'a> LaunchGuiHandler<'a> {
 }
 
 async fn feed_auth_data(auth_data: &str) -> anyhow::Result<()> {
+  let _ = tokio::join!(feed_auth_data_gui(auth_data), feed_auth_data_cli(auth_data));
+  Ok(())
+}
+
+async fn feed_auth_data_gui(auth_data: &str) -> anyhow::Result<()> {
   let service_endpoint = http_endpoint().await?;
 
   reqwest::Client::default()
@@ -90,6 +98,15 @@ async fn feed_auth_data(auth_data: &str) -> anyhow::Result<()> {
   Ok(())
 }
 
+async fn feed_auth_data_cli(auth_data: &str) -> anyhow::Result<()> {
+  let port = tokio::fs::read_to_string(GP_CLIENT_PORT_FILE).await?;
+  let mut stream = tokio::net::TcpStream::connect(format!("127.0.0.1:{}", port.trim())).await?;
+
+  stream.write_all(auth_data.as_bytes()).await?;
+
+  Ok(())
+}
+
 async fn try_active_gui() -> anyhow::Result<()> {
   let service_endpoint = http_endpoint().await?;
 

apps/gpclient/src/main.rs

@@ -4,6 +4,7 @@ mod disconnect;
 mod launch_gui;
 
 pub(crate) const GP_CLIENT_LOCK_FILE: &str = "/var/run/gpclient.lock";
+pub(crate) const GP_CLIENT_PORT_FILE: &str = "/var/run/gpclient.port";
 
 #[tokio::main]
 async fn main() {

apps/gpservice/src/vpn_task.rs

@@ -38,10 +38,12 @@ impl VpnTaskContext {
     let vpn = match Vpn::builder(req.gateway().server(), args.cookie())
       .script(args.vpnc_script())
       .user_agent(args.user_agent())
+      .os(args.openconnect_os())
       .csd_uid(args.csd_uid())
       .csd_wrapper(args.csd_wrapper())
+      .reconnect_timeout(args.reconnect_timeout())
       .mtu(args.mtu())
-      .os(args.openconnect_os())
+      .disable_ipv6(args.disable_ipv6())
       .build()
     {
       Ok(vpn) => vpn,

apps/gpservice/src/ws_server.rs

@@ -118,28 +118,41 @@ impl WsServer {
   }
 
   pub async fn start(&self, shutdown_tx: mpsc::Sender<()>) {
-    if let Ok(listener) = TcpListener::bind("127.0.0.1:0").await {
-      let local_addr = listener.local_addr().unwrap();
+    let listener = match self.start_tcp_server().await {
+      Ok(listener) => listener,
+      Err(err) => {
+        warn!("Failed to start WS server: {}", err);
+        let _ = shutdown_tx.send(()).await;
+        return;
+      },
+    };
 
-      self.lock_file.lock(local_addr.port().to_string()).unwrap();
-
-      info!("WS server listening on port: {}", local_addr.port());
-
-      tokio::select! {
-        _ = watch_vpn_state(self.ctx.vpn_state_rx(), Arc::clone(&self.ctx)) => {
-          info!("VPN state watch task completed");
-        }
-        _ = start_server(listener, self.ctx.clone()) => {
-            info!("WS server stopped");
-        }
-        _ = self.cancel_token.cancelled() => {
-          info!("WS server cancelled");
-        }
+    tokio::select! {
+      _ = watch_vpn_state(self.ctx.vpn_state_rx(), Arc::clone(&self.ctx)) => {
+        info!("VPN state watch task completed");
+      }
+      _ = start_server(listener, self.ctx.clone()) => {
+          info!("WS server stopped");
+      }
+      _ = self.cancel_token.cancelled() => {
+        info!("WS server cancelled");
       }
     }
 
     let _ = shutdown_tx.send(()).await;
   }
+
+  async fn start_tcp_server(&self) -> anyhow::Result<TcpListener> {
+    let listener = TcpListener::bind("127.0.0.1:0").await?;
+    let local_addr = listener.local_addr()?;
+    let port = local_addr.port();
+
+    info!("WS server listening on port: {}", port);
+
+    self.lock_file.lock(port.to_string())?;
+
+    Ok(listener)
+  }
 }
 
 async fn watch_vpn_state(mut vpn_state_rx: watch::Receiver<VpnState>, ctx: Arc<WsServerContext>) {

changelog.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## 2.2.1 - 2024-05-07
+
+- GUI: Restore the default browser auth implementation (fix [#360](https://github.com/yuezk/GlobalProtect-openconnect/issues/360))
+
+## 2.2.0 - 2024-04-30
+
+- CLI: support authentication with external browser (fix [#298](https://github.com/yuezk/GlobalProtect-openconnect/issues/298))
+- GUI: support using file-based storage when the system keyring is not available.
+
 ## 2.1.4 - 2024-04-10
 
 - Support MFA authentication (fix [#343](https://github.com/yuezk/GlobalProtect-openconnect/issues/343))

crates/common/src/vpn_utils.rs

@@ -1,7 +1,6 @@
-use is_executable::IsExecutable;
-use std::path::Path;
+use std::{io, path::Path};
 
-pub use is_executable::is_executable;
+use is_executable::IsExecutable;
 
 const VPNC_SCRIPT_LOCATIONS: [&str; 6] = [
   "/usr/local/share/vpnc-scripts/vpnc-script",
@@ -39,3 +38,17 @@ pub fn find_vpnc_script() -> Option<String> {
 pub fn find_csd_wrapper() -> Option<String> {
   find_executable(&CSD_WRAPPER_LOCATIONS)
 }
+
+/// If file exists, check if it is executable
+pub fn check_executable(file: &str) -> Result<(), io::Error> {
+  let path = Path::new(file);
+
+  if path.exists() && !path.is_executable() {
+    return Err(io::Error::new(
+      io::ErrorKind::PermissionDenied,
+      format!("{} is not executable", file),
+    ));
+  }
+
+  Ok(())
+}

crates/gpapi/src/error.rs

@@ -2,7 +2,7 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum PortalError {
-  #[error("Portal prelogin error: {0}")]
+  #[error("Prelogin error: {0}")]
   PreloginError(String),
   #[error("Portal config error: {0}")]
   ConfigError(String),

crates/gpapi/src/gateway/login.rs

@@ -8,7 +8,7 @@ use crate::{
   credential::Credential,
   error::PortalError,
   gp_params::GpParams,
-  utils::{normalize_server, parse_gp_error, remove_url_scheme},
+  utils::{normalize_server, parse_gp_response, remove_url_scheme},
 };
 
 pub enum GatewayLogin {
@@ -41,20 +41,10 @@ pub async fn gateway_login(gateway: &str, cred: &Credential, gp_params: &GpParam
     .await
     .map_err(|e| anyhow::anyhow!(PortalError::NetworkError(e.to_string())))?;
 
-  let status = res.status();
-
-  if status.is_client_error() || status.is_server_error() {
-    let (reason, res) = parse_gp_error(res).await;
-
-    warn!(
-      "Gateway login error: reason={}, status={}, response={}",
-      reason, status, res
-    );
-
-    bail!("Gateway login error, reason: {}", reason);
-  }
-
-  let res = res.text().await?;
+  let res = parse_gp_response(res).await.map_err(|err| {
+    warn!("{err}");
+    anyhow::anyhow!("Gateway login error: {}", err.reason)
+  })?;
 
   // MFA detected
   if res.contains("Challenge") {

crates/gpapi/src/portal/config.rs

@@ -10,7 +10,7 @@ use crate::{
   error::PortalError,
   gateway::{parse_gateways, Gateway},
   gp_params::GpParams,
-  utils::{normalize_server, parse_gp_error, remove_url_scheme, xml},
+  utils::{normalize_server, parse_gp_response, remove_url_scheme, xml},
 };
 
 #[derive(Debug, Serialize, Type)]
@@ -108,24 +108,19 @@ pub async fn retrieve_config(portal: &str, cred: &Credential, gp_params: &GpPara
     .send()
     .await
     .map_err(|e| anyhow::anyhow!(PortalError::NetworkError(e.to_string())))?;
-  let status = res.status();
 
-  if status == StatusCode::NOT_FOUND {
-    bail!(PortalError::ConfigError("Config endpoint not found".to_string()))
-  }
+  let res_xml = parse_gp_response(res).await.or_else(|err| {
+    if err.status == StatusCode::NOT_FOUND {
+      bail!(PortalError::ConfigError("Config endpoint not found".to_string()));
+    }
 
-  if status.is_client_error() || status.is_server_error() {
-    let (reason, res) = parse_gp_error(res).await;
+    if err.is_status_error() {
+      warn!("{err}");
+      bail!("Portal config error: {}", err.reason);
+    }
 
-    warn!(
-      "Portal config error: reason={}, status={}, response={}",
-      reason, status, res
-    );
-
-    bail!("Portal config error, reason: {}", reason);
-  }
-
-  let res_xml = res.text().await.map_err(|e| PortalError::ConfigError(e.to_string()))?;
+    Err(anyhow::anyhow!(PortalError::ConfigError(err.reason)))
+  })?;
 
   if res_xml.is_empty() {
     bail!(PortalError::ConfigError("Empty portal config response".to_string()))

crates/gpapi/src/portal/prelogin.rs

@@ -8,7 +8,7 @@ use specta::Type;
 use crate::{
   error::PortalError,
   gp_params::GpParams,
-  utils::{base64, normalize_server, parse_gp_error, xml},
+  utils::{base64, normalize_server, parse_gp_response, xml},
 };
 
 const REQUIRED_PARAMS: [&str; 8] = [
@@ -98,10 +98,12 @@ impl Prelogin {
 
 pub async fn prelogin(portal: &str, gp_params: &GpParams) -> anyhow::Result<Prelogin> {
   let user_agent = gp_params.user_agent();
-  info!("Prelogin with user_agent: {}", user_agent);
+  let is_gateway = gp_params.is_gateway();
+  let prelogin_type = if is_gateway { "Gateway" } else { "Portal" };
+
+  info!("{} prelogin with user_agent: {}", prelogin_type, user_agent);
 
   let portal = normalize_server(portal)?;
-  let is_gateway = gp_params.is_gateway();
   let path = if is_gateway { "ssl-vpn" } else { "global-protect" };
   let prelogin_url = format!("{portal}/{}/prelogin.esp", path);
   let mut params = gp_params.to_params();
@@ -112,8 +114,6 @@ pub async fn prelogin(portal: &str, gp_params: &GpParams) -> anyhow::Result<Prel
 
   params.retain(|k, _| REQUIRED_PARAMS.iter().any(|required_param| required_param == k));
 
-  info!("Prelogin with params: {:?}", params);
-
   let client = Client::builder()
     .danger_accept_invalid_certs(gp_params.ignore_tls_errors())
     .user_agent(user_agent)
@@ -126,38 +126,36 @@ pub async fn prelogin(portal: &str, gp_params: &GpParams) -> anyhow::Result<Prel
     .await
     .map_err(|e| anyhow::anyhow!(PortalError::NetworkError(e.to_string())))?;
 
-  let status = res.status();
-  if status == StatusCode::NOT_FOUND {
-    bail!(PortalError::PreloginError("Prelogin endpoint not found".to_string()))
-  }
+  let res_xml = parse_gp_response(res).await.or_else(|err| {
+    if err.status == StatusCode::NOT_FOUND {
+      bail!(PortalError::PreloginError("Prelogin endpoint not found".to_string()))
+    }
 
-  if status.is_client_error() || status.is_server_error() {
-    let (reason, res) = parse_gp_error(res).await;
+    if err.is_status_error() {
+      warn!("{err}");
+      bail!("Prelogin error: {}", err.reason)
+    }
 
-    warn!("Prelogin error: reason={}, status={}, response={}", reason, status, res);
+    Err(anyhow!(PortalError::PreloginError(err.reason)))
+  })?;
 
-    bail!("Prelogin error: {}", status)
-  }
-
-  let res_xml = res
-    .text()
-    .await
-    .map_err(|e| PortalError::PreloginError(e.to_string()))?;
-
-  let prelogin = parse_res_xml(res_xml, is_gateway).map_err(|e| PortalError::PreloginError(e.to_string()))?;
+  let prelogin = parse_res_xml(&res_xml, is_gateway).map_err(|err| {
+    warn!("Parse response error, response: {}", res_xml);
+    PortalError::PreloginError(err.to_string())
+  })?;
 
   Ok(prelogin)
 }
 
-fn parse_res_xml(res_xml: String, is_gateway: bool) -> anyhow::Result<Prelogin> {
-  let doc = Document::parse(&res_xml)?;
+fn parse_res_xml(res_xml: &str, is_gateway: bool) -> anyhow::Result<Prelogin> {
+  let doc = Document::parse(res_xml)?;
 
   let status = xml::get_child_text(&doc, "status")
     .ok_or_else(|| anyhow::anyhow!("Prelogin response does not contain status element"))?;
   // Check the status of the prelogin response
   if status.to_uppercase() != "SUCCESS" {
     let msg = xml::get_child_text(&doc, "msg").unwrap_or(String::from("Unknown error"));
-    bail!("Prelogin failed: {}", msg)
+    bail!("{}", msg)
   }
 
   let region = xml::get_child_text(&doc, "region").unwrap_or_else(|| {
@@ -183,22 +181,24 @@ fn parse_res_xml(res_xml: String, is_gateway: bool) -> anyhow::Result<Prelogin>
     return Ok(Prelogin::Saml(saml_prelogin));
   }
 
-  let label_username = xml::get_child_text(&doc, "username-label");
-  let label_password = xml::get_child_text(&doc, "password-label");
-  // Check if the prelogin response is standard login
-  if label_username.is_some() && label_password.is_some() {
-    let auth_message =
-      xml::get_child_text(&doc, "authentication-message").unwrap_or(String::from("Please enter the login credentials"));
-    let standard_prelogin = StandardPrelogin {
-      region,
-      is_gateway,
-      auth_message,
-      label_username: label_username.unwrap(),
-      label_password: label_password.unwrap(),
-    };
+  let label_username = xml::get_child_text(&doc, "username-label").unwrap_or_else(|| {
+    info!("Username label has no value, using default");
+    String::from("Username")
+  });
+  let label_password = xml::get_child_text(&doc, "password-label").unwrap_or_else(|| {
+    info!("Password label has no value, using default");
+    String::from("Password")
+  });
 
-    Ok(Prelogin::Standard(standard_prelogin))
-  } else {
-    Err(anyhow!("Invalid prelogin response"))
-  }
+  let auth_message =
+    xml::get_child_text(&doc, "authentication-message").unwrap_or(String::from("Please enter the login credentials"));
+  let standard_prelogin = StandardPrelogin {
+    region,
+    is_gateway,
+    auth_message,
+    label_username,
+    label_password,
+  };
+
+  Ok(Prelogin::Standard(standard_prelogin))
 }

crates/gpapi/src/process/auth_launcher.rs

@@ -18,6 +18,7 @@ pub struct SamlAuthLauncher<'a> {
   fix_openssl: bool,
   ignore_tls_errors: bool,
   clean: bool,
+  default_browser: bool,
 }
 
 impl<'a> SamlAuthLauncher<'a> {
@@ -33,6 +34,7 @@ impl<'a> SamlAuthLauncher<'a> {
       fix_openssl: false,
       ignore_tls_errors: false,
       clean: false,
+      default_browser: false,
     }
   }
 
@@ -81,8 +83,13 @@ impl<'a> SamlAuthLauncher<'a> {
     self
   }
 
+  pub fn default_browser(mut self, default_browser: bool) -> Self {
+    self.default_browser = default_browser;
+    self
+  }
+
   /// Launch the authenticator binary as the current user or SUDO_USER if available.
-  pub async fn launch(self) -> anyhow::Result<Credential> {
+  pub async fn launch(self) -> anyhow::Result<Option<Credential>> {
     let mut auth_cmd = Command::new(GP_AUTH_BINARY);
     auth_cmd.arg(self.server);
 
@@ -122,6 +129,10 @@ impl<'a> SamlAuthLauncher<'a> {
       auth_cmd.arg("--clean");
     }
 
+    if self.default_browser {
+      auth_cmd.arg("--default-browser");
+    }
+
     let mut non_root_cmd = auth_cmd.into_non_root()?;
     let output = non_root_cmd
       .kill_on_drop(true)
@@ -130,12 +141,16 @@ impl<'a> SamlAuthLauncher<'a> {
       .wait_with_output()
       .await?;
 
+    if self.default_browser {
+      return Ok(None);
+    }
+
     let Ok(auth_result) = serde_json::from_slice::<SamlAuthResult>(&output.stdout) else {
       bail!("Failed to parse auth data")
     };
 
     match auth_result {
-      SamlAuthResult::Success(auth_data) => Ok(Credential::from(auth_data)),
+      SamlAuthResult::Success(auth_data) => Ok(Some(Credential::from(auth_data))),
       SamlAuthResult::Failure(msg) => bail!(msg),
     }
   }

crates/gpapi/src/service/request.rs

@@ -32,10 +32,12 @@ pub struct ConnectArgs {
   cookie: String,
   vpnc_script: Option<String>,
   user_agent: Option<String>,
+  os: Option<ClientOs>,
   csd_uid: u32,
   csd_wrapper: Option<String>,
+  reconnect_timeout: u32,
   mtu: u32,
-  os: Option<ClientOs>,
+  disable_ipv6: bool,
 }
 
 impl ConnectArgs {
@@ -47,7 +49,9 @@ impl ConnectArgs {
       os: None,
       csd_uid: 0,
       csd_wrapper: None,
+      reconnect_timeout: 300,
       mtu: 0,
+      disable_ipv6: false,
     }
   }
 
@@ -75,9 +79,17 @@ impl ConnectArgs {
     self.csd_wrapper.clone()
   }
 
+  pub fn reconnect_timeout(&self) -> u32 {
+    self.reconnect_timeout
+  }
+
   pub fn mtu(&self) -> u32 {
     self.mtu
   }
+
+  pub fn disable_ipv6(&self) -> bool {
+    self.disable_ipv6
+  }
 }
 
 #[derive(Debug, Deserialize, Serialize, Type)]
@@ -109,11 +121,6 @@ impl ConnectRequest {
     self
   }
 
-  pub fn with_mtu(mut self, mtu: u32) -> Self {
-    self.args.mtu = mtu;
-    self
-  }
-
   pub fn with_user_agent<T: Into<Option<String>>>(mut self, user_agent: T) -> Self {
     self.args.user_agent = user_agent.into();
     self
@@ -124,6 +131,21 @@ impl ConnectRequest {
     self
   }
 
+  pub fn with_reconnect_timeout(mut self, reconnect_timeout: u32) -> Self {
+    self.args.reconnect_timeout = reconnect_timeout;
+    self
+  }
+
+  pub fn with_mtu(mut self, mtu: u32) -> Self {
+    self.args.mtu = mtu;
+    self
+  }
+
+  pub fn with_disable_ipv6(mut self, disable_ipv6: bool) -> Self {
+    self.args.disable_ipv6 = disable_ipv6;
+    self
+  }
+
   pub fn gateway(&self) -> &Gateway {
     self.info.gateway()
   }

crates/gpapi/src/utils/mod.rs

@@ -1,5 +1,3 @@
-use reqwest::{Response, Url};
-
 pub(crate) mod xml;
 
 pub mod base64;
@@ -15,8 +13,12 @@ pub mod window;
 
 mod shutdown_signal;
 
+use log::warn;
 pub use shutdown_signal::shutdown_signal;
 
+use reqwest::{Response, StatusCode, Url};
+use thiserror::Error;
+
 /// Normalize the server URL to the format `https://<host>:<port>`
 pub fn normalize_server(server: &str) -> anyhow::Result<String> {
   let server = if server.starts_with("https://") || server.starts_with("http://") {
@@ -42,7 +44,41 @@ pub fn remove_url_scheme(s: &str) -> String {
   s.replace("http://", "").replace("https://", "")
 }
 
-pub(crate) async fn parse_gp_error(res: Response) -> (String, String) {
+#[derive(Error, Debug)]
+#[error("GP response error: reason={reason}, status={status}, body={body}")]
+pub(crate) struct GpError {
+  pub status: StatusCode,
+  pub reason: String,
+  body: String,
+}
+
+impl GpError {
+  pub fn is_status_error(&self) -> bool {
+    self.status.is_client_error() || self.status.is_server_error()
+  }
+}
+
+pub(crate) async fn parse_gp_response(res: Response) -> anyhow::Result<String, GpError> {
+  let status = res.status();
+
+  if status.is_client_error() || status.is_server_error() {
+    let (reason, body) = parse_gp_error(res).await;
+
+    return Err(GpError { status, reason, body });
+  }
+
+  res.text().await.map_err(|err| {
+    warn!("Failed to read response: {}", err);
+
+    GpError {
+      status,
+      reason: "failed to read response".to_string(),
+      body: "<failed to read response>".to_string(),
+    }
+  })
+}
+
+async fn parse_gp_error(res: Response) -> (String, String) {
   let reason = res
     .headers()
     .get("x-private-pan-globalprotect")

crates/openconnect/src/ffi/mod.rs

@@ -19,7 +19,9 @@ pub(crate) struct ConnectOptions {
   pub csd_uid: u32,
   pub csd_wrapper: *const c_char,
 
+  pub reconnect_timeout: u32,
   pub mtu: u32,
+  pub disable_ipv6: u32,
 }
 
 #[link(name = "vpn")]

crates/openconnect/src/ffi/vpn.c

@@ -63,7 +63,9 @@ int vpn_connect(const vpn_options *options, vpn_connected_callback callback)
     INFO("OS: %s", options->os);
     INFO("CSD_USER: %d", options->csd_uid);
     INFO("CSD_WRAPPER: %s", options->csd_wrapper);
+    INFO("RECONNECT_TIMEOUT: %d", options->reconnect_timeout);
     INFO("MTU: %d", options->mtu);
+    INFO("DISABLE_IPV6: %d", options->disable_ipv6);
 
     vpninfo = openconnect_vpninfo_new(options->user_agent, validate_peer_cert, NULL, NULL, print_progress, NULL);
 
@@ -103,6 +105,10 @@ int vpn_connect(const vpn_options *options, vpn_connected_callback callback)
         openconnect_set_reqmtu(vpninfo, mtu);
     }
 
+    if (options->disable_ipv6) {
+        openconnect_disable_ipv6(vpninfo);
+    }
+
     g_cmd_pipe_fd = openconnect_setup_cmd_pipe(vpninfo);
     if (g_cmd_pipe_fd < 0)
     {
@@ -132,7 +138,7 @@ int vpn_connect(const vpn_options *options, vpn_connected_callback callback)
 
     while (1)
     {
-        int ret = openconnect_mainloop(vpninfo, 300, 10);
+        int ret = openconnect_mainloop(vpninfo, options->reconnect_timeout, 10);
 
         if (ret)
         {

crates/openconnect/src/ffi/vpn.h

@@ -20,7 +20,9 @@ typedef struct vpn_options
     const uid_t csd_uid;
     const char *csd_wrapper;
 
+    const int reconnect_timeout;
     const int mtu;
+    const int disable_ipv6;
 } vpn_options;
 
 int vpn_connect(const vpn_options *options, vpn_connected_callback callback);
@@ -35,7 +37,7 @@ static char *format_message(const char *format, va_list args)
     int len = vsnprintf(NULL, 0, format, args_copy);
     va_end(args_copy);
 
-    char *buffer = malloc(len + 1);
+    char *buffer = (char*)malloc(len + 1);
     if (buffer == NULL)
     {
         return NULL;

crates/openconnect/src/vpn.rs

@@ -4,7 +4,7 @@ use std::{
   sync::{Arc, RwLock},
 };
 
-use common::vpn_utils::{find_vpnc_script, is_executable};
+use common::vpn_utils::{check_executable, find_vpnc_script};
 use log::info;
 
 use crate::ffi;
@@ -23,7 +23,9 @@ pub struct Vpn {
   csd_uid: u32,
   csd_wrapper: Option<CString>,
 
+  reconnect_timeout: u32,
   mtu: u32,
+  disable_ipv6: bool,
 
   callback: OnConnectedCallback,
 }
@@ -67,7 +69,9 @@ impl Vpn {
       csd_uid: self.csd_uid,
       csd_wrapper: Self::option_to_ptr(&self.csd_wrapper),
 
+      reconnect_timeout: self.reconnect_timeout,
       mtu: self.mtu,
+      disable_ipv6: self.disable_ipv6 as u32,
     }
   }
 
@@ -80,23 +84,23 @@ impl Vpn {
 }
 
 #[derive(Debug)]
-pub struct VpnError<'a> {
-  message: &'a str,
+pub struct VpnError {
+  message: String,
 }
 
-impl<'a> VpnError<'a> {
-  fn new(message: &'a str) -> Self {
+impl VpnError {
+  fn new(message: String) -> Self {
     Self { message }
   }
 }
 
-impl fmt::Display for VpnError<'_> {
-  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+impl fmt::Display for VpnError {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     write!(f, "{}", self.message)
   }
 }
 
-impl std::error::Error for VpnError<'_> {}
+impl std::error::Error for VpnError {}
 
 pub struct VpnBuilder {
   server: String,
@@ -109,7 +113,9 @@ pub struct VpnBuilder {
   csd_uid: u32,
   csd_wrapper: Option<String>,
 
+  reconnect_timeout: u32,
   mtu: u32,
+  disable_ipv6: bool,
 }
 
 impl VpnBuilder {
@@ -125,7 +131,9 @@ impl VpnBuilder {
       csd_uid: 0,
       csd_wrapper: None,
 
+      reconnect_timeout: 300,
       mtu: 0,
+      disable_ipv6: false,
     }
   }
 
@@ -154,26 +162,32 @@ impl VpnBuilder {
     self
   }
 
+  pub fn reconnect_timeout(mut self, reconnect_timeout: u32) -> Self {
+    self.reconnect_timeout = reconnect_timeout;
+    self
+  }
+
   pub fn mtu(mut self, mtu: u32) -> Self {
     self.mtu = mtu;
     self
   }
 
-  pub fn build(self) -> Result<Vpn, VpnError<'static>> {
+  pub fn disable_ipv6(mut self, disable_ipv6: bool) -> Self {
+    self.disable_ipv6 = disable_ipv6;
+    self
+  }
+
+  pub fn build(self) -> Result<Vpn, VpnError> {
     let script = match self.script {
       Some(script) => {
-        if !is_executable(&script) {
-          return Err(VpnError::new("vpnc script is not executable"));
-        }
+        check_executable(&script).map_err(|e| VpnError::new(e.to_string()))?;
         script
       }
-      None => find_vpnc_script().ok_or_else(|| VpnError::new("Failed to find vpnc-script"))?,
+      None => find_vpnc_script().ok_or_else(|| VpnError::new(String::from("Failed to find vpnc-script")))?,
     };
 
     if let Some(csd_wrapper) = &self.csd_wrapper {
-      if !is_executable(csd_wrapper) {
-        return Err(VpnError::new("CSD wrapper is not executable"));
-      }
+      check_executable(csd_wrapper).map_err(|e| VpnError::new(e.to_string()))?;
     }
 
     let user_agent = self.user_agent.unwrap_or_default();
@@ -191,7 +205,9 @@ impl VpnBuilder {
       csd_uid: self.csd_uid,
       csd_wrapper: self.csd_wrapper.as_deref().map(Self::to_cstring),
 
+      reconnect_timeout: self.reconnect_timeout,
       mtu: self.mtu,
+      disable_ipv6: self.disable_ipv6,
 
       callback: Default::default(),
     })