Release 2.1.4

.github/workflows/build.yaml

@@ -25,7 +25,7 @@ jobs:
         id: set-matrix
         run: |
           if [[ "${{ github.ref }}" == "refs/tags/"* ]]; then
-            echo 'matrix=[{"runner": "ubuntu-latest", "arch": "amd64"}, {"runner": "arm64", "arch": "arm64"]' >> $GITHUB_OUTPUT
+            echo 'matrix=[{"runner": "ubuntu-latest", "arch": "amd64"}, {"runner": "arm64", "arch": "arm64"}]' >> $GITHUB_OUTPUT
           else
             echo 'matrix=[{"runner": "ubuntu-latest", "arch": "amd64"}]' >> $GITHUB_OUTPUT
           fi
@@ -182,7 +182,7 @@ jobs:
         gh -R "$REPO" release create $RELEASE_TAG \
           --title "$RELEASE_TAG" \
           --notes "$NOTES" \
-          --target ${{ github.ref }} \
+          ${{ github.ref == 'refs/heads/dev' && '--target dev' || '' }} \
           ${{ github.ref == 'refs/heads/dev' && '--prerelease' || '' }} \
           gh-release/artifact-source/* \
           gh-release/artifact-gpgui-*/*

Cargo.lock

@@ -564,7 +564,7 @@ dependencies = [
 
 [[package]]
 name = "common"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "is_executable",
 ]
@@ -1430,7 +1430,7 @@ dependencies = [
 
 [[package]]
 name = "gpapi"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "anyhow",
  "base64 0.21.5",
@@ -1462,13 +1462,14 @@ dependencies = [
 
 [[package]]
 name = "gpauth"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "anyhow",
  "clap",
  "compile-time",
  "env_logger",
  "gpapi",
+ "html-escape",
  "log",
  "regex",
  "serde_json",
@@ -1482,7 +1483,7 @@ dependencies = [
 
 [[package]]
 name = "gpclient"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "anyhow",
  "clap",
@@ -1504,7 +1505,7 @@ dependencies = [
 
 [[package]]
 name = "gpgui-helper"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "anyhow",
  "clap",
@@ -1522,7 +1523,7 @@ dependencies = [
 
 [[package]]
 name = "gpservice"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "anyhow",
  "axum",
@@ -1598,9 +1599,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.24"
+version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2c4422095b67ee78da96fbb51a4cc413b3b25883c7717ff7ca1ab31022c9c9"
+checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8"
 dependencies = [
  "bytes",
  "fnv",
@@ -1617,9 +1618,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.4.2"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31d030e59af851932b72ceebadf4a2b5986dba4c3b99dd2493f8273a0f151943"
+checksum = "816ec7294445779408f36fe57bc5b7fc1cf59664059096c65f905c1c61f58069"
 dependencies = [
  "bytes",
  "fnv",
@@ -1673,6 +1674,15 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "html-escape"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d1ad449764d627e22bfd7cd5e8868264fc9236e07c752972b4080cd351cb476"
+dependencies = [
+ "utf8-width",
+]
+
 [[package]]
 name = "html5ever"
 version = "0.26.0"
@@ -1777,7 +1787,7 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2 0.3.24",
+ "h2 0.3.26",
  "http 0.2.11",
  "http-body 0.4.6",
  "httparse",
@@ -1800,7 +1810,7 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "h2 0.4.2",
+ "h2 0.4.4",
  "http 1.0.0",
  "http-body 1.0.0",
  "httparse",
@@ -2527,7 +2537,7 @@ dependencies = [
 
 [[package]]
 name = "openconnect"
-version = "2.1.2"
+version = "2.1.4"
 dependencies = [
  "cc",
  "common",
@@ -3157,7 +3167,7 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
- "h2 0.3.24",
+ "h2 0.3.26",
  "http 0.2.11",
  "http-body 0.4.6",
  "hyper 0.14.28",
@@ -4484,6 +4494,12 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
 
+[[package]]
+name = "utf8-width"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86bd8d4e895da8537e5315b8254664e6b769c4ff3db18321b297a1e7004392e3"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"
@@ -4590,6 +4606,12 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.89"
@@ -4766,11 +4788,12 @@ dependencies = [
 
 [[package]]
 name = "whoami"
-version = "1.4.1"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22fc3756b8a9133049b26c7f61ab35416c130e8c09b660f5b3958b446f52cc50"
+checksum = "a44ab49fad634e88f55bf8f9bb3abd2f27d7204172a112c7c9987e01c1c94ea9"
 dependencies = [
- "wasm-bindgen",
+ "redox_syscall",
+ "wasite",
  "web-sys",
 ]
 

Cargo.toml

@@ -5,7 +5,7 @@ members = ["crates/*", "apps/gpclient", "apps/gpservice", "apps/gpauth", "apps/g
 
 [workspace.package]
 rust-version = "1.70"
-version = "2.1.2"
+version = "2.1.4"
 authors = ["Kevin Yue <k3vinyue@gmail.com>"]
 homepage = "https://github.com/yuezk/GlobalProtect-openconnect"
 edition = "2021"

apps/gpauth/Cargo.toml

@@ -18,6 +18,7 @@ serde_json.workspace = true
 tokio.workspace = true
 tokio-util.workspace = true
 tempfile.workspace = true
+html-escape = "0.2.13"
 webkit2gtk = "0.18.2"
 tauri = { workspace = true, features = ["http-all"] }
 compile-time.workspace = true

apps/gpauth/src/auth_window.rs

@@ -185,6 +185,10 @@ impl<'a> AuthWindow<'a> {
           }
 
           info!("Loaded uri: {}", redact_uri(&uri));
+          if uri.starts_with("globalprotectcallback:") {
+            return;
+          }
+
           read_auth_data(&main_resource, auth_result_tx_clone.clone());
         }
       });
@@ -203,7 +207,9 @@ impl<'a> AuthWindow<'a> {
 
       wv.connect_load_failed(move |_wv, _event, uri, err| {
         let redacted_uri = redact_uri(uri);
+        if !uri.starts_with("globalprotectcallback:") {
           warn!("Failed to load uri: {} with error: {}", redacted_uri, err);
+        }
         // NOTE: Don't send error here, since load_changed event will be triggered after this
         // send_auth_result(&auth_result_tx, Err(AuthDataError::Invalid));
         // true to stop other handlers from being invoked for the event. false to propagate the event further.
@@ -340,7 +346,7 @@ fn read_auth_data_from_headers(response: &URIResponse) -> AuthResult {
 
 fn read_auth_data_from_body<F>(main_resource: &WebResource, callback: F)
 where
-  F: FnOnce(AuthResult) + Send + 'static,
+  F: FnOnce(Result<SamlAuthData, AuthDataParseError>) + Send + 'static,
 {
   main_resource.data(Cancellable::NONE, |data| match data {
     Ok(data) => {
@@ -349,50 +355,41 @@ where
     }
     Err(err) => {
       info!("Failed to read response body: {}", err);
-      callback(Err(AuthDataError::Invalid))
+      callback(Err(AuthDataParseError::Invalid))
     }
   });
 }
 
-fn read_auth_data_from_html(html: &str) -> AuthResult {
+fn read_auth_data_from_html(html: &str) -> Result<SamlAuthData, AuthDataParseError> {
   if html.contains("Temporarily Unavailable") {
     info!("Found 'Temporarily Unavailable' in HTML, auth failed");
-    return Err(AuthDataError::Invalid);
+    return Err(AuthDataParseError::Invalid);
   }
 
-  let auth_data = match SamlAuthData::from_html(html) {
-    Ok(auth_data) => Ok(auth_data),
-    Err(err) => {
+  SamlAuthData::from_html(html).or_else(|err| {
     if let Some(gpcallback) = extract_gpcallback(html) {
       info!("Found gpcallback from html...");
-        SamlAuthData::from_gpcallback(gpcallback)
+      SamlAuthData::from_gpcallback(&gpcallback)
     } else {
       Err(err)
     }
-    }
-  };
-
-  auth_data.map_err(|err| match err {
-    AuthDataParseError::NotFound => AuthDataError::NotFound,
-    AuthDataParseError::Invalid => AuthDataError::Invalid,
   })
 }
 
-fn extract_gpcallback(html: &str) -> Option<&str> {
+fn extract_gpcallback(html: &str) -> Option<String> {
   let re = Regex::new(r#"globalprotectcallback:[^"]+"#).unwrap();
   re.captures(html)
     .and_then(|captures| captures.get(0))
-    .map(|m| m.as_str())
+    .map(|m| html_escape::decode_html_entities(m.as_str()).to_string())
 }
 
 fn read_auth_data(main_resource: &WebResource, auth_result_tx: mpsc::UnboundedSender<AuthResult>) {
-  if main_resource.response().is_none() {
+  let Some(response) = main_resource.response() else {
     info!("No response found in main resource");
     send_auth_result(&auth_result_tx, Err(AuthDataError::Invalid));
     return;
-  }
+  };
 
-  let response = main_resource.response().unwrap();
   info!("Trying to read auth data from response headers...");
 
   match read_auth_data_from_headers(&response) {
@@ -405,22 +402,27 @@ fn read_auth_data(main_resource: &WebResource, auth_result_tx: mpsc::UnboundedSe
       read_auth_data_from_body(main_resource, move |auth_result| {
         // Since we have already found invalid auth data in headers, which means this could be the `/SAML20/SP/ACS` endpoint
         // any error result from body should be considered as invalid, and trigger a retry
-        let auth_result = auth_result.map_err(|_| AuthDataError::Invalid);
+        let auth_result = auth_result.map_err(|err| {
+          info!("Failed to read auth data from body: {}", err);
+          AuthDataError::Invalid
+        });
         send_auth_result(&auth_result_tx, auth_result);
       });
     }
     Err(AuthDataError::NotFound) => {
       info!("No auth data found in headers, trying to read from body...");
-      let url = main_resource.uri().unwrap_or("".into());
-      let is_acs_endpoint = url.contains("/SAML20/SP/ACS");
+
+      let is_acs_endpoint = main_resource.uri().map_or(false, |uri| uri.contains("/SAML20/SP/ACS"));
 
       read_auth_data_from_body(main_resource, move |auth_result| {
         // If the endpoint is `/SAML20/SP/ACS` and no auth data found in body, it should be considered as invalid
         let auth_result = auth_result.map_err(|err| {
-          if matches!(err, AuthDataError::NotFound) && is_acs_endpoint {
-            AuthDataError::Invalid
+          info!("Failed to read auth data from body: {}", err);
+
+          if !is_acs_endpoint && matches!(err, AuthDataParseError::NotFound) {
+            AuthDataError::NotFound
           } else {
-            err
+            AuthDataError::Invalid
           }
         });
 
@@ -492,7 +494,22 @@ mod tests {
       <meta http-equiv="refresh" content="0; URL=globalprotectcallback:PGh0bWw+PCEtLSA8c">
     "#;
 
-    assert_eq!(extract_gpcallback(html), Some("globalprotectcallback:PGh0bWw+PCEtLSA8c"));
+    assert_eq!(
+      extract_gpcallback(html).as_deref(),
+      Some("globalprotectcallback:PGh0bWw+PCEtLSA8c")
+    );
+  }
+
+  #[test]
+  fn extract_gpcallback_cas() {
+    let html = r#"
+      <meta http-equiv="refresh" content="0; URL=globalprotectcallback:cas-as=1&amp;un=xyz@email.com&amp;token=very_long_string">
+    "#;
+
+    assert_eq!(
+      extract_gpcallback(html).as_deref(),
+      Some("globalprotectcallback:cas-as=1&un=xyz@email.com&token=very_long_string")
+    );
   }
 
   #[test]

apps/gpclient/src/connect.rs

@@ -6,7 +6,7 @@ use gpapi::{
   clap::args::Os,
   credential::{Credential, PasswordCredential},
   error::PortalError,
-  gateway::gateway_login,
+  gateway::{gateway_login, GatewayLogin},
   gp_params::{ClientOs, GpParams},
   portal::{prelogin, retrieve_config, Prelogin},
   process::{
@@ -32,6 +32,8 @@ pub(crate) struct ConnectArgs {
   user: Option<String>,
   #[arg(long, short, help = "The VPNC script to use")]
   script: Option<String>,
+  #[arg(long, help = "Connect the server as a gateway, instead of a portal")]
+  as_gateway: bool,
 
   #[arg(
     long,
@@ -95,6 +97,12 @@ impl<'a> ConnectHandler<'a> {
 
   pub(crate) async fn handle(&self) -> anyhow::Result<()> {
     let server = self.args.server.as_str();
+    let as_gateway = self.args.as_gateway;
+
+    if as_gateway {
+      info!("Treating the server as a gateway");
+      return self.connect_gateway_with_prelogin(server).await;
+    }
 
     let Err(err) = self.connect_portal_with_prelogin(server).await else {
       return Ok(());
@@ -103,11 +111,16 @@ impl<'a> ConnectHandler<'a> {
     info!("Failed to connect portal with prelogin: {}", err);
     if err.root_cause().downcast_ref::<PortalError>().is_some() {
       info!("Trying the gateway authentication workflow...");
-      return self.connect_gateway_with_prelogin(server).await;
-    }
+      self.connect_gateway_with_prelogin(server).await?;
 
+      eprintln!("\nNOTE: the server may be a gateway, not a portal.");
+      eprintln!("NOTE: try to use the `--as-gateway` option if you were authenticated twice.");
+
+      Ok(())
+    } else {
       Err(err)
     }
+  }
 
   async fn connect_portal_with_prelogin(&self, portal: &str) -> anyhow::Result<()> {
     let gp_params = self.build_gp_params();
@@ -141,7 +154,7 @@ impl<'a> ConnectHandler<'a> {
     let gateway = selected_gateway.server();
     let cred = portal_config.auth_cookie().into();
 
-    let cookie = match gateway_login(gateway, &cred, &gp_params).await {
+    let cookie = match self.login_gateway(gateway, &cred, &gp_params).await {
       Ok(cookie) => cookie,
       Err(err) => {
         info!("Gateway login failed: {}", err);
@@ -161,11 +174,28 @@ impl<'a> ConnectHandler<'a> {
     let prelogin = prelogin(gateway, &gp_params).await?;
     let cred = self.obtain_credential(&prelogin, gateway).await?;
 
-    let cookie = gateway_login(gateway, &cred, &gp_params).await?;
+    let cookie = self.login_gateway(gateway, &cred, &gp_params).await?;
 
     self.connect_gateway(gateway, &cookie).await
   }
 
+  async fn login_gateway(&self, gateway: &str, cred: &Credential, gp_params: &GpParams) -> anyhow::Result<String> {
+    let mut gp_params = gp_params.clone();
+
+    loop {
+      match gateway_login(gateway, cred, &gp_params).await? {
+        GatewayLogin::Cookie(cookie) => return Ok(cookie),
+        GatewayLogin::Mfa(message, input_str) => {
+          let otp = Text::new(&message).prompt()?;
+          gp_params.set_input_str(&input_str);
+          gp_params.set_otp(&otp);
+
+          info!("Retrying gateway login with MFA...");
+        }
+      }
+    }
+  }
+
   async fn connect_gateway(&self, gateway: &str, cookie: &str) -> anyhow::Result<()> {
     let mtu = self.args.mtu.unwrap_or(0);
     let csd_uid = get_csd_uid(&self.args.csd_user)?;

apps/gpgui-helper/package.json

@@ -31,6 +31,6 @@
     "eslint-plugin-react-hooks": "^4.6.0",
     "prettier": "3.1.0",
     "typescript": "^5.0.2",
-    "vite": "^4.5.2"
+    "vite": "^4.5.3"
   }
 }

apps/gpgui-helper/pnpm-lock.yaml

@@ -48,7 +48,7 @@ devDependencies:
     version: 6.12.0(eslint@8.54.0)(typescript@5.0.2)
   '@vitejs/plugin-react':
     specifier: ^4.0.3
-    version: 4.0.3(vite@4.5.2)
+    version: 4.0.3(vite@4.5.3)
   eslint:
     specifier: ^8.54.0
     version: 8.54.0
@@ -68,8 +68,8 @@ devDependencies:
     specifier: ^5.0.2
     version: 5.0.2
   vite:
-    specifier: ^4.5.2
-    version: 4.5.2(@types/node@20.8.10)
+    specifier: ^4.5.3
+    version: 4.5.3(@types/node@20.8.10)
 
 packages:
 
@@ -1229,7 +1229,7 @@ packages:
     resolution: {integrity: sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==}
     dev: true
 
-  /@vitejs/plugin-react@4.0.3(vite@4.5.2):
+  /@vitejs/plugin-react@4.0.3(vite@4.5.3):
     resolution: {integrity: sha512-pwXDog5nwwvSIzwrvYYmA2Ljcd/ZNlcsSG2Q9CNDBwnsd55UGAyr2doXtB5j+2uymRCnCfExlznzzSFbBRcoCg==}
     engines: {node: ^14.18.0 || >=16.0.0}
     peerDependencies:
@@ -1239,7 +1239,7 @@ packages:
       '@babel/plugin-transform-react-jsx-self': 7.22.5(@babel/core@7.23.2)
       '@babel/plugin-transform-react-jsx-source': 7.22.5(@babel/core@7.23.2)
       react-refresh: 0.14.0
-      vite: 4.5.2(@types/node@20.8.10)
+      vite: 4.5.3(@types/node@20.8.10)
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -2979,8 +2979,8 @@ packages:
       punycode: 2.3.1
     dev: true
 
-  /vite@4.5.2(@types/node@20.8.10):
-    resolution: {integrity: sha512-tBCZBNSBbHQkaGyhGCDUGqeo2ph8Fstyp6FMSvTtsXeZSPpSMGlviAOav2hxVTqFcx8Hj/twtWKsMJXNY0xI8w==}
+  /vite@4.5.3(@types/node@20.8.10):
+    resolution: {integrity: sha512-kQL23kMeX92v3ph7IauVkXkikdDRsYMGTVl5KY2E9OY4ONLvkHf04MDTbnfo6NKxZiDLWzVpP5oTa8hQD8U3dg==}
     engines: {node: ^14.18.0 || >=16.0.0}
     hasBin: true
     peerDependencies:

changelog.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## 2.1.4 - 2024-04-10
+
+- Support MFA authentication (fix [#343](https://github.com/yuezk/GlobalProtect-openconnect/issues/343))
+- Improve the Gateway switcher UI
+
+## 2.1.3 - 2024-04-07
+
+- Support CAS authentication (fix [#339](https://github.com/yuezk/GlobalProtect-openconnect/issues/339))
+- CLI: Add `--as-gateway` option to connect as gateway directly (fix [#318](https://github.com/yuezk/GlobalProtect-openconnect/issues/318))
+- GUI: Support connect the gateway directly (fix [#318](https://github.com/yuezk/GlobalProtect-openconnect/issues/318))
+- GUI: Add an option to use symbolic tray icon (fix [#341](https://github.com/yuezk/GlobalProtect-openconnect/issues/341))
+
 ## 2.1.2 - 2024-03-29
 
 - Treat portal as gateway when the gateway login is failed (fix #338)

crates/gpapi/src/auth.rs

@@ -66,14 +66,14 @@ impl SamlAuthData {
     let auth_data = data.trim_start_matches("globalprotectcallback:");
 
     if auth_data.starts_with("cas-as") {
-      info!("Got token auth data: {}", auth_data);
+      info!("Got CAS auth data from globalprotectcallback");
 
-      let token_cred: SamlAuthData = serde_urlencoded::from_str(auth_data).map_err(|e| {
+      let auth_data: SamlAuthData = serde_urlencoded::from_str(auth_data).map_err(|e| {
         warn!("Failed to parse token auth data: {}", e);
         AuthDataParseError::Invalid
       })?;
 
-      Ok(token_cred)
+      Ok(auth_data)
     } else {
       info!("Parsing SAML auth data...");
 

crates/gpapi/src/credential.rs

@@ -37,13 +37,13 @@ impl From<&CachedCredential> for PasswordCredential {
 
 #[derive(Debug, Serialize, Deserialize, Type, Clone)]
 #[serde(rename_all = "camelCase")]
-pub struct PreloginCookieCredential {
+pub struct PreloginCredential {
   username: String,
   prelogin_cookie: Option<String>,
   token: Option<String>,
 }
 
-impl PreloginCookieCredential {
+impl PreloginCredential {
   pub fn new(username: &str, prelogin_cookie: Option<&str>, token: Option<&str>) -> Self {
     Self {
       username: username.to_string(),
@@ -65,7 +65,7 @@ impl PreloginCookieCredential {
   }
 }
 
-impl From<SamlAuthData> for PreloginCookieCredential {
+impl From<SamlAuthData> for PreloginCredential {
   fn from(value: SamlAuthData) -> Self {
     let username = value.username().to_string();
     let prelogin_cookie = value.prelogin_cookie();
@@ -160,9 +160,9 @@ impl From<PasswordCredential> for CachedCredential {
 #[serde(tag = "type", rename_all = "camelCase")]
 pub enum Credential {
   Password(PasswordCredential),
-  PreloginCookie(PreloginCookieCredential),
+  Prelogin(PreloginCredential),
   AuthCookie(AuthCookieCredential),
-  CachedCredential(CachedCredential),
+  Cached(CachedCredential),
 }
 
 impl Credential {
@@ -177,9 +177,9 @@ impl Credential {
   pub fn username(&self) -> &str {
     match self {
       Credential::Password(cred) => cred.username(),
-      Credential::PreloginCookie(cred) => cred.username(),
+      Credential::Prelogin(cred) => cred.username(),
       Credential::AuthCookie(cred) => cred.username(),
-      Credential::CachedCredential(cred) => cred.username(),
+      Credential::Cached(cred) => cred.username(),
     }
   }
 
@@ -189,7 +189,7 @@ impl Credential {
 
     let (passwd, prelogin_cookie, portal_userauthcookie, portal_prelogonuserauthcookie, token) = match self {
       Credential::Password(cred) => (Some(cred.password()), None, None, None, None),
-      Credential::PreloginCookie(cred) => (None, cred.prelogin_cookie(), None, None, cred.token()),
+      Credential::Prelogin(cred) => (None, cred.prelogin_cookie(), None, None, cred.token()),
       Credential::AuthCookie(cred) => (
         None,
         None,
@@ -197,7 +197,7 @@ impl Credential {
         Some(cred.prelogon_user_auth_cookie()),
         None,
       ),
-      Credential::CachedCredential(cred) => (
+      Credential::Cached(cred) => (
         cred.password(),
         None,
         Some(cred.auth_cookie.user_auth_cookie()),
@@ -224,9 +224,9 @@ impl Credential {
 
 impl From<SamlAuthData> for Credential {
   fn from(value: SamlAuthData) -> Self {
-    let cred = PreloginCookieCredential::from(value);
+    let cred = PreloginCredential::from(value);
 
-    Self::PreloginCookie(cred)
+    Self::Prelogin(cred)
   }
 }
 
@@ -244,6 +244,6 @@ impl From<&AuthCookieCredential> for Credential {
 
 impl From<&CachedCredential> for Credential {
   fn from(value: &CachedCredential) -> Self {
-    Self::CachedCredential(value.clone())
+    Self::Cached(value.clone())
   }
 }

crates/gpapi/src/gateway/login.rs

@@ -11,7 +11,12 @@ use crate::{
   utils::{normalize_server, parse_gp_error, remove_url_scheme},
 };
 
-pub async fn gateway_login(gateway: &str, cred: &Credential, gp_params: &GpParams) -> anyhow::Result<String> {
+pub enum GatewayLogin {
+  Cookie(String),
+  Mfa(String, String),
+}
+
+pub async fn gateway_login(gateway: &str, cred: &Credential, gp_params: &GpParams) -> anyhow::Result<GatewayLogin> {
   let url = normalize_server(gateway)?;
   let gateway = remove_url_scheme(&url);
 
@@ -49,10 +54,22 @@ pub async fn gateway_login(gateway: &str, cred: &Credential, gp_params: &GpParam
     bail!("Gateway login error, reason: {}", reason);
   }
 
-  let res_xml = res.text().await?;
-  let doc = Document::parse(&res_xml)?;
+  let res = res.text().await?;
 
-  build_gateway_token(&doc, gp_params.computer())
+  // MFA detected
+  if res.contains("Challenge") {
+    let Some((message, input_str)) = parse_mfa(&res) else {
+      bail!("Failed to parse MFA challenge: {res}");
+    };
+
+    return Ok(GatewayLogin::Mfa(message, input_str));
+  }
+
+  let doc = Document::parse(&res)?;
+
+  let cookie = build_gateway_token(&doc, gp_params.computer())?;
+
+  Ok(GatewayLogin::Cookie(cookie))
 }
 
 fn build_gateway_token(doc: &Document, computer: &str) -> anyhow::Result<String> {
@@ -86,3 +103,33 @@ fn read_args<'a>(args: &'a [String], index: usize, key: &'a str) -> anyhow::Resu
     .ok_or_else(|| anyhow::anyhow!("Failed to read {key} from args"))
     .map(|s| (key, s.as_ref()))
 }
+
+fn parse_mfa(res: &str) -> Option<(String, String)> {
+  let message = res
+    .lines()
+    .find(|l| l.contains("respMsg"))
+    .and_then(|l| l.split('"').nth(1).map(|s| s.to_string()))?;
+
+  let input_str = res
+    .lines()
+    .find(|l| l.contains("inputStr"))
+    .and_then(|l| l.split('"').nth(1).map(|s| s.to_string()))?;
+
+  Some((message, input_str))
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn mfa() {
+    let res = r#"var respStatus = "Challenge";
+var respMsg = "MFA message";
+thisForm.inputStr.value = "5ef64e83000119ed";"#;
+
+    let (message, input_str) = parse_mfa(res).unwrap();
+    assert_eq!(message, "MFA message");
+    assert_eq!(input_str, "5ef64e83000119ed");
+  }
+}

crates/gpapi/src/gp_params.rs

@@ -51,6 +51,9 @@ pub struct GpParams {
   client_version: Option<String>,
   computer: String,
   ignore_tls_errors: bool,
+  // Used for MFA
+  input_str: Option<String>,
+  otp: Option<String>,
 }
 
 impl GpParams {
@@ -90,6 +93,14 @@ impl GpParams {
     self.client_version.as_deref()
   }
 
+  pub fn set_input_str(&mut self, input_str: &str) {
+    self.input_str = Some(input_str.to_string());
+  }
+
+  pub fn set_otp(&mut self, otp: &str) {
+    self.otp = Some(otp.to_string());
+  }
+
   pub(crate) fn to_params(&self) -> HashMap<&str, &str> {
     let mut params: HashMap<&str, &str> = HashMap::new();
     let client_os = self.client_os.as_str();
@@ -100,11 +111,16 @@ impl GpParams {
     params.insert("ok", "Login");
     params.insert("direct", "yes");
     params.insert("ipv6-support", "yes");
-    params.insert("inputStr", "");
     params.insert("clientVer", "4100");
     params.insert("clientos", client_os);
     params.insert("computer", &self.computer);
 
+    // MFA
+    params.insert("inputStr", self.input_str.as_deref().unwrap_or_default());
+    if let Some(otp) = &self.otp {
+      params.insert("passwd", otp);
+    }
+
     if let Some(os_version) = &self.os_version {
       params.insert("os-version", os_version);
     }
@@ -130,13 +146,15 @@ pub struct GpParamsBuilder {
 
 impl GpParamsBuilder {
   pub fn new() -> Self {
+    let computer = whoami::fallible::hostname().unwrap_or_else(|_| String::from("localhost"));
+
     Self {
       is_gateway: false,
       user_agent: GP_USER_AGENT.to_string(),
       client_os: ClientOs::Linux,
       os_version: Default::default(),
       client_version: Default::default(),
-      computer: whoami::hostname(),
+      computer,
       ignore_tls_errors: false,
     }
   }
@@ -185,6 +203,8 @@ impl GpParamsBuilder {
       client_version: self.client_version.clone(),
       computer: self.computer.clone(),
       ignore_tls_errors: self.ignore_tls_errors,
+      input_str: Default::default(),
+      otp: Default::default(),
     }
   }
 }