gardesk/garcard / e5a40fb

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+ "bitflags",

+ "cairo-sys-rs",

+ "glib",

+ "libc",

+]

+

+[[package]]

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+]

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+]

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+]

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+]

+

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+ "gartk-render",

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+ "x11rb",

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+]

+

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+ "cairo-rs",

+ "gartk-core",

+ "gartk-x11",

+ "pango",

+ "pangocairo",

+ "thiserror 2.0.18",

+ "tracing",

+ "x11rb",

+]

+

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+ "thiserror 2.0.18",

+ "tracing",

+ "x11rb",

+]

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+ "futures-util",

+ "gio-sys",

+ "glib",

+ "libc",

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+]

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+ "libc",

+ "system-deps",

+ "windows-sys 0.59.0",

+]

+

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+ "futures-core",

+ "futures-executor",

+ "futures-task",

+ "futures-util",

+ "gio-sys",

+ "glib-macros",

+ "glib-sys",

+ "gobject-sys",

+ "libc",

+ "memchr",

+ "smallvec",

+]

+

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+ "proc-macro-crate",

+ "proc-macro2",

+ "quote",

+ "syn",

+]

+

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+]

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+ "pangocairo-sys",

+]

+

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+]

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+]

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+dependencies = [

+ "cfg-expr",

+ "heck",

+ "pkg-config",

+ "toml 0.9.12+spec-1.1.0",

+ "version-compare",

+]

+

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+ "quote",

+ "syn",

+]

+

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+[[package]]

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+checksum = "cf92845e79fc2e2def6a5d828f0801e29a2f8acc037becc5ab08595c7d5e9863"

+dependencies = [

+ "indexmap",

+ "serde_core",

+ "serde_spanned 1.0.4",

+ "toml_datetime 0.7.5+spec-1.1.0",

+ "toml_parser",

+ "toml_writer",

+ "winnow",

+]

+

+ "serde_spanned 0.6.9",

+[[package]]

+name = "toml_writer"

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+

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+

+[[package]]

+name = "x11rb"

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+source = "registry+https://github.com/rust-lang/crates.io-index"

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+dependencies = [

+ "gethostname",

+ "rustix",

+ "x11rb-protocol",

+ "xcursor",

+]

+

+[[package]]

+name = "x11rb-protocol"

+version = "0.13.2"

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+

+[[package]]

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+checksum = "bec9e4a500ca8864c5b47b8b482a73d62e4237670e5b5f1d6b9e3cae50f28f2b"

+

+gartk-core = { path = "../gartk/gartk-core" }

+gartk-render = { path = "../gartk/gartk-render" }

+gartk-x11 = { path = "../gartk/gartk-x11" }

+x11rb = { version = "0.13", features = ["randr"] }

+3. `cargo run -p garcard -- prompt --mode secret --message "Validation prompt"`

+9. `GARCARD_PROMPT_TIMEOUT_SECS`

+`GARCARD_PROMPT_COMMAND` is optional. If unset, `garcard` runs the built-in

+`garcard prompt` gartk dialog path and falls back to `systemd-ask-password`

+when the X11 prompt backend is unavailable.

+gartk-core.workspace = true

+gartk-render.workspace = true

+gartk-x11.workspace = true

+x11rb.workspace = true

+            HelperOutcome::Timeout => AuthPhase::Timeout,

+mod prompt_ui;

+use clap::{Parser, Subcommand, ValueEnum};

+    /// Run interactive auth prompt mode (used internally by daemon)

+    Prompt(PromptArgs),

+}

+

+#[derive(Parser, Debug)]

+struct PromptArgs {

+    /// Prompt message to display

+    #[arg(long)]

+    message: String,

+    /// Input mode

+    #[arg(long, value_enum, default_value_t = PromptModeArg::Secret)]

+    mode: PromptModeArg,

+    /// Prompt timeout in seconds

+    #[arg(long, default_value_t = 120)]

+    timeout_secs: u64,

+}

+

+#[derive(Debug, Clone, Copy, ValueEnum)]

+enum PromptModeArg {

+    Secret,

+    Plain,

+        Commands::Prompt(args) => {

+            let request = prompt_ui::PromptRequest {

+                message: args.message,

+                mode: match args.mode {

+                    PromptModeArg::Secret => prompt_ui::PromptMode::Secret,

+                    PromptModeArg::Plain => prompt_ui::PromptMode::Plain,

+                },

+                timeout_secs: args.timeout_secs,

+            };

+

+            let outcome = match prompt_ui::run_prompt_dialog(request) {

+                Ok(outcome) => outcome,

+                Err(err) => {

+                    eprintln!("garcard prompt backend unavailable: {}", err);

+                    std::process::exit(2);

+                }

+            };

+

+            match outcome {

+                prompt_ui::PromptExit::Submitted(value) => {

+                    println!("{}", value);

+                    Ok(())

+                }

+                prompt_ui::PromptExit::Canceled => {

+                    std::process::exit(1);

+                }

+                prompt_ui::PromptExit::TimedOut => {

+                    std::process::exit(124);

+                }

+            }

+        }

+    Timeout,

+#[derive(Debug, Clone, PartialEq, Eq)]

+pub enum PromptResponse {

+    Submitted(String),

+    Canceled,

+    TimedOut,

+}

+

+    fn prompt_secret(&mut self, prompt: &str) -> Result<PromptResponse>;

+    fn prompt_plain(&mut self, prompt: &str) -> Result<PromptResponse>;

+                        PromptResponse::Submitted(response) => {

+                            write_line(&mut stream, &sanitize_response(&response))

+                                .context("failed to send helper secret response")?

+                        }

+                        PromptResponse::Canceled => return Ok(HelperOutcome::Canceled),

+                        PromptResponse::TimedOut => return Ok(HelperOutcome::Timeout),

+                        PromptResponse::Submitted(response) => {

+                            write_line(&mut stream, &sanitize_response(&response))

+                                .context("failed to send helper visible response")?

+                        }

+                        PromptResponse::Canceled => return Ok(HelperOutcome::Canceled),

+                        PromptResponse::TimedOut => return Ok(HelperOutcome::Timeout),

+        secret_response: PromptResponse,

+        plain_response: PromptResponse,

+    impl Default for FakePrompt {

+        fn default() -> Self {

+            Self {

+                secret_response: PromptResponse::Canceled,

+                plain_response: PromptResponse::Canceled,

+                infos: Vec::new(),

+                errors: Vec::new(),

+            }

+        }

+    }

+

+        fn prompt_secret(&mut self, _prompt: &str) -> Result<PromptResponse> {

+        fn prompt_plain(&mut self, _prompt: &str) -> Result<PromptResponse> {

+            secret_response: PromptResponse::Submitted("correct horse".to_string()),

+            plain_response: PromptResponse::Canceled,

+

+    #[test]

+    fn helper_client_reports_timeout_from_prompt_provider() {

+        let socket_path = temp_socket_path();

+        let listener = UnixListener::bind(&socket_path).expect("bind test socket");

+

+        let server = thread::spawn(move || {

+            let (mut stream, _) = listener.accept().expect("accept");

+            let read_stream = stream.try_clone().expect("clone");

+            let mut reader = BufReader::new(read_stream);

+

+            let mut username = String::new();

+            reader.read_line(&mut username).expect("read username");

+            let mut cookie = String::new();

+            reader.read_line(&mut cookie).expect("read cookie");

+

+            stream

+                .write_all(b"PAM_PROMPT_ECHO_OFF Password:\n")

+                .expect("write prompt");

+            stream.flush().expect("flush prompt");

+        });

+

+        let client = HelperSocketClient::new(&socket_path);

+        let mut prompts = FakePrompt {

+            secret_response: PromptResponse::TimedOut,

+            plain_response: PromptResponse::Canceled,

+            infos: Vec::new(),

+            errors: Vec::new(),

+        };

+

+        let outcome = client

+            .authenticate("alice", "cookie-timeout", &mut prompts)

+            .expect("authenticate timeout");

+        assert_eq!(outcome, HelperOutcome::Timeout);

+

+        server.join().expect("server join");

+        let _ = std::fs::remove_file(&socket_path);

+    }

+use crate::polkit_helper::{PromptProvider, PromptResponse};

+use std::process::{Command, ExitStatus};

+    prompt_timeout_secs: u64,

+        let prompt_timeout_secs = std::env::var("GARCARD_PROMPT_TIMEOUT_SECS")

+            .ok()

+            .and_then(|raw| raw.parse::<u64>().ok())

+            .filter(|value| *value > 0)

+            .unwrap_or(DEFAULT_ASK_TIMEOUT_SECS);

+

+            prompt_timeout_secs,

+    fn run_prompt(&self, prompt: &str, visible: bool) -> Result<PromptResponse> {

+        match run_gartk_prompt_subcommand(prompt, visible, self.prompt_timeout_secs) {

+            Ok(response) => Ok(response),

+            Err(err) => {

+                tracing::warn!(

+                    error = %err,

+                    "Failed to run built-in gartk prompt; falling back to systemd-ask-password"

+                );

+                run_systemd_ask_password(prompt, visible, self.prompt_timeout_secs)

+            }

+        }

+    fn prompt_secret(&mut self, prompt: &str) -> Result<PromptResponse> {

+    fn prompt_plain(&mut self, prompt: &str) -> Result<PromptResponse> {

+fn run_custom_prompt_command(command: &str, prompt: &str, visible: bool) -> Result<PromptResponse> {

+    Ok(map_output_to_prompt_response(

+        &output.status,

+        &output.stdout,

+    ))

+}

+

+fn run_gartk_prompt_subcommand(

+    prompt: &str,

+    visible: bool,

+    timeout_secs: u64,

+) -> Result<PromptResponse> {

+    let mode = if visible { "plain" } else { "secret" };

+    let executable =

+        std::env::current_exe().context("failed to resolve current executable path")?;

+    let output = Command::new(executable)

+        .arg("prompt")

+        .arg("--mode")

+        .arg(mode)

+        .arg("--message")

+        .arg(prompt)

+        .arg("--timeout-secs")

+        .arg(timeout_secs.to_string())

+        .output()

+        .context("failed to launch garcard prompt subcommand")?;

+

+    if output.status.code() == Some(2) {

+        let stderr = String::from_utf8_lossy(&output.stderr).trim().to_string();

+        anyhow::bail!("garcard prompt subcommand unavailable: {}", stderr);

+    Ok(map_output_to_prompt_response(

+        &output.status,

+        &output.stdout,

+    ))

+fn run_systemd_ask_password(

+    prompt: &str,

+    visible: bool,

+    timeout_secs: u64,

+) -> Result<PromptResponse> {

+    command.arg(format!("--timeout={}", timeout_secs));

+    Ok(map_output_to_prompt_response(

+        &output.status,

+        &output.stdout,

+    ))

+}

+

+fn map_output_to_prompt_response(status: &ExitStatus, stdout: &[u8]) -> PromptResponse {

+    if status.success() {

+        return extract_response(stdout)

+            .map(PromptResponse::Submitted)

+            .unwrap_or(PromptResponse::Canceled);

+    if status.code() == Some(124) {

+        PromptResponse::TimedOut

+    } else {

+        PromptResponse::Canceled

+    }

+

+    #[test]

+    fn map_output_maps_timeout_status_code() {

+        let status = Command::new("sh")

+            .arg("-c")

+            .arg("exit 124")

+            .status()

+            .expect("run shell");

+        let mapped = map_output_to_prompt_response(&status, b"");

+        assert_eq!(mapped, PromptResponse::TimedOut);

+    }

+use anyhow::{Context, Result};

+use gartk_core::{Color, InputEvent, Key, KeyEvent, Rect, Theme};

+use gartk_render::{Renderer, TextStyle, copy_surface_to_window};

+use gartk_x11::{

+    Connection, EventLoop, EventLoopConfig, Window, WindowConfig, monitor_at_pointer,

+    primary_monitor,

+};

+use std::time::{Duration, Instant};

+use x11rb::protocol::xproto::ConnectionExt;

+

+const DIALOG_WIDTH: u32 = 560;

+const DIALOG_HEIGHT: u32 = 240;

+const CARD_PADDING: i32 = 18;

+

+#[derive(Debug, Clone, Copy, PartialEq, Eq)]

+pub enum PromptMode {

+    Secret,

+    Plain,

+}

+

+#[derive(Debug, Clone)]

+pub struct PromptRequest {

+    pub message: String,

+    pub mode: PromptMode,

+    pub timeout_secs: u64,

+}

+

+#[derive(Debug, Clone, PartialEq, Eq)]

+pub enum PromptExit {

+    Submitted(String),

+    Canceled,

+    TimedOut,

+}

+

+struct PromptDialog {

+    window: Window,

+    renderer: Renderer,

+    gc: u32,

+    request: PromptRequest,

+    input: String,

+    cursor: usize,

+    exit: Option<PromptExit>,

+    deadline: Option<Instant>,

+    remaining_secs: Option<u64>,

+    card_background: Color,

+    card_border: Color,

+    accent: Color,

+}

+

+pub fn run_prompt_dialog(request: PromptRequest) -> Result<PromptExit> {

+    let conn = Connection::connect(None).context("failed to connect to X11 display")?;

+    let (x, y) = centered_position(&conn, DIALOG_WIDTH, DIALOG_HEIGHT);

+    let window = Window::create(

+        conn.clone(),

+        WindowConfig::dialog()

+            .title("garcard authentication")

+            .class("garcard")

+            .position(x, y)

+            .size(DIALOG_WIDTH, DIALOG_HEIGHT)

+            .transparent(true)

+            .modal(true),

+    )

+    .context("failed to create prompt window")?;

+    window.focus().context("failed to focus prompt window")?;

+

+    let mut dialog = PromptDialog::new(window, request)?;

+    dialog.run()

+}

+

+fn centered_position(conn: &Connection, width: u32, height: u32) -> (i32, i32) {

+    let monitor = monitor_at_pointer(conn)

+        .or_else(|_| primary_monitor(conn))

+        .ok();

+    if let Some(monitor) = monitor {

+        let x = monitor.rect.x + (monitor.rect.width as i32 - width as i32) / 2;

+        let y = monitor.rect.y + (monitor.rect.height as i32 - height as i32) / 3;

+        return (x, y);

+    }

+

+    (

+        (conn.screen_width() as i32 - width as i32) / 2,

+        (conn.screen_height() as i32 - height as i32) / 3,

+    )

+}

+

+impl PromptDialog {

+    fn new(window: Window, request: PromptRequest) -> Result<Self> {

+        let mut theme = Theme::dark();

+        theme.font_family = "Sans".to_string();

+        theme.font_size = 14.0;

+        let card_background = Color::from_hex("#111318").expect("valid card color");

+        let card_border = Color::from_hex("#2c3442").expect("valid border color");

+        let accent = Color::from_hex("#8ab4f8").expect("valid accent color");

+        let size = window.size();

+        let renderer = Renderer::with_theme(size.width, size.height, theme)?;

+

+        let conn = window.connection();

+        let gc = conn.generate_id()?;

+        conn.inner()

+            .create_gc(gc, window.id(), &Default::default())?;

+        conn.flush()?;

+

+        let deadline = if request.timeout_secs > 0 {

+            Some(Instant::now() + Duration::from_secs(request.timeout_secs))

+        } else {

+            None

+        };

+

+        Ok(Self {

+            window,

+            renderer,

+            gc,

+            request,

+            input: String::new(),

+            cursor: 0,

+            exit: None,

+            deadline,

+            remaining_secs: None,

+            card_background,

+            card_border,

+            accent,

+        })

+    }

+

+    fn run(&mut self) -> Result<PromptExit> {

+        let mut event_loop = EventLoop::new(&self.window, EventLoopConfig::default())?;

+        self.refresh_timeout();

+        self.render()?;

+

+        event_loop.run(|ev, event| {

+            match event {

+                InputEvent::Key(key_event) if key_event.pressed => {

+                    self.handle_key(&key_event);

+                    ev.request_redraw();

+                }

+                InputEvent::Resize { width, height } => {

+                    if let Err(err) = self.renderer.resize(width, height) {

+                        tracing::error!(error = %err, "failed to resize prompt renderer");

+                        self.exit = Some(PromptExit::Canceled);

+                    }

+                    ev.request_redraw();

+                }

+                InputEvent::Expose => {

+                    ev.request_redraw();

+                }

+                InputEvent::CloseRequested => {

+                    self.exit = Some(PromptExit::Canceled);

+                }

+                InputEvent::Idle => {

+                    if self.refresh_timeout() {

+                        ev.request_redraw();

+                    }

+                }

+                _ => {}

+            }

+

+            if ev.needs_redraw() {

+                let _ = self.render();

+                ev.redraw_done();

+            }

+

+            Ok(self.exit.is_none())

+        })?;

+

+        Ok(self.exit.take().unwrap_or(PromptExit::Canceled))

+    }

+

+    fn refresh_timeout(&mut self) -> bool {

+        let Some(deadline) = self.deadline else {

+            return false;

+        };

+

+        let now = Instant::now();

+        if now >= deadline {

+            self.exit = Some(PromptExit::TimedOut);

+            return true;

+        }

+

+        let remaining = deadline.duration_since(now).as_secs();

+        if self.remaining_secs != Some(remaining) {

+            self.remaining_secs = Some(remaining);

+            return true;

+        }

+

+        false

+    }

+

+    fn handle_key(&mut self, key_event: &KeyEvent) {

+        match key_event.key {

+            Key::Escape => {

+                self.exit = Some(PromptExit::Canceled);

+            }

+            Key::Return => {

+                self.exit = Some(PromptExit::Submitted(self.input.clone()));

+            }

+            Key::Left => {