TX and other UI/UX improvements

README.md

@@ -27,7 +27,7 @@ A terminal-based RF signal analysis tool for capturing, decoding, and retransmit
 - **Research mode** — config option to show unknown (unidentified) signals in addition to successfully decoded ones
 - **INI configuration** — `~/.config/KAT/config.ini` (auto-created with comments on first run): export path, max captures, research_mode, radio defaults, export format
 - **Embedded keystore** — manufacturer keys (Kia, VAG, etc.) built in for decoding
-- **VIM-style command line** — `:freq`, `:lock`, `:unlock`, `:save`, `:load`, `:delete`, `:q` / `:quit`, and more
+- **VIM-style command line** — `:freq`, `:lock`, `:unlock`, `:replay`, `:save`, `:load`, `:delete`, `:q` / `:quit`, and more
 - **Interactive TUI** — captures list with detail panel (protocol, freq, mod, RF, encryption), signal action menu, radio settings, fob export form; header shows device (HackRF / RTL-SDR (RX only) / No device) and status (DISCONNECTED in red when no device)
 
 ## Requirements
@@ -172,10 +172,11 @@ Transmit commands (`:lock`, `:unlock`, `:trunk`, `:panic`) require HackRF; with
 | Command | Description |
 |---|---|
 | `:freq <MHz>` | Set receive frequency (e.g. `:freq 433.92`) |
-| `:lock <ID>` | Transmit lock signal for capture ID |
+| `:lock <ID>` | Transmit lock signal (ID: single, comma list, or range; e.g. `1`, `1, 3, 5`, `1-5`) |
-| `:unlock <ID>` | Transmit unlock signal for capture ID |
+| `:unlock <ID>` | Transmit unlock signal (same ID formats) |
-| `:trunk <ID>` | Transmit trunk release signal |
+| `:trunk <ID>` | Transmit trunk release (same ID formats) |
-| `:panic <ID>` | Transmit panic alarm signal |
+| `:panic <ID>` | Transmit panic alarm (same ID formats) |
+| `:replay <ID>` | Replay raw capture(s) by ID in order (same ID formats; HackRF only) |
 | `:save <ID>` | Save capture to file |
 | `:delete <ID>` | Delete capture from list |
 | `:load <file>` | Import capture from `.fob` or `.sub` file |

src/app.rs

@@ -367,6 +367,12 @@ pub struct App {
     /// Which capture is being edited (when in CaptureMeta* modes)
     pub capture_meta_capture_id: Option<u32>,
 
+    // -- Pending transmit (so UI can draw TX state before blocking) --
+    /// Queue of (signal, frequency) to transmit; main loop draws then runs one at a time.
+    pending_transmit_queue: Vec<(Vec<LevelDuration>, u32)>,
+    /// State to restore when queue becomes empty (set when first item is queued).
+    pending_transmit_restore: Option<RadioState>,
+
     // -- :load file browser --
     /// Current directory in the load file browser
     pub load_browser_cwd: PathBuf,
@@ -485,6 +491,8 @@ impl App {
             capture_meta_model: String::new(),
             capture_meta_region: String::new(),
             capture_meta_capture_id: None,
+            pending_transmit_queue: Vec::new(),
+            pending_transmit_restore: None,
             load_browser_cwd: PathBuf::new(),
             load_browser_selected: 0,
             load_browser_scroll: 0,
@@ -578,6 +586,34 @@ impl App {
         Ok(())
     }
 
+    /// Parse an ID spec into a list of capture IDs in order.
+    /// Supports: single "1", comma-separated "1, 3, 5", range "1-5", and mixed "1, 3-5, 7".
+    fn parse_id_spec(s: &str) -> Result<Vec<u32>, String> {
+        let mut ids = Vec::new();
+        for part in s.split(',') {
+            let part = part.trim();
+            if part.is_empty() {
+                continue;
+            }
+            if let Some((low, high)) = part.split_once('-') {
+                let low = low.trim().parse::<u32>().map_err(|_| "Invalid ID in range".to_string())?;
+                let high = high.trim().parse::<u32>().map_err(|_| "Invalid ID in range".to_string())?;
+                if low <= high {
+                    ids.extend(low..=high);
+                } else {
+                    ids.extend((high..=low).rev());
+                }
+            } else {
+                let id = part.parse::<u32>().map_err(|_| "Invalid capture ID".to_string())?;
+                ids.push(id);
+            }
+        }
+        if ids.is_empty() {
+            return Err("No valid IDs".to_string());
+        }
+        Ok(ids)
+    }
+
     /// Execute a command
     pub fn execute_command(&mut self, command: &str) -> Result<()> {
         let parts: Vec<&str> = command.trim().split_whitespace().collect();
@@ -607,10 +643,10 @@ impl App {
                     }
                 }
             }
-            "unlock" => self.transmit_command(parts.get(1), ButtonCommand::Unlock)?,
+            "unlock" => self.transmit_command(parts.get(1).map(|_| parts[1..].join(" ")), ButtonCommand::Unlock)?,
-            "lock" => self.transmit_command(parts.get(1), ButtonCommand::Lock)?,
+            "lock" => self.transmit_command(parts.get(1).map(|_| parts[1..].join(" ")), ButtonCommand::Lock)?,
-            "trunk" => self.transmit_command(parts.get(1), ButtonCommand::Trunk)?,
+            "trunk" => self.transmit_command(parts.get(1).map(|_| parts[1..].join(" ")), ButtonCommand::Trunk)?,
-            "panic" => self.transmit_command(parts.get(1), ButtonCommand::Panic)?,
+            "panic" => self.transmit_command(parts.get(1).map(|_| parts[1..].join(" ")), ButtonCommand::Panic)?,
             "license" | "licence" => {
                 self.input_mode = InputMode::License;
                 self.overlay_scroll = 0;
@@ -633,6 +669,24 @@ impl App {
                     self.delete_capture(parts[1])?;
                 }
             }
+            "replay" => {
+                let id_spec = parts.get(1).map(|_| parts[1..].join(" "));
+                let id_spec = match id_spec.as_deref() {
+                    Some(s) if !s.is_empty() => s,
+                    _ => {
+                        self.last_error = Some("Usage: :replay <ID> (e.g. 1, 1,3,5, 1-5)".to_string());
+                        return Ok(());
+                    }
+                };
+                match Self::parse_id_spec(id_spec) {
+                    Ok(ids) => {
+                        for id in ids {
+                            self.replay_capture(id)?;
+                        }
+                    }
+                    Err(e) => self.last_error = Some(e),
+                }
+            }
             "lna" => {
                 if parts.len() < 2 {
                     self.last_error = Some("Usage: :lna <0-40>".to_string());
@@ -760,8 +814,30 @@ impl App {
         Ok(())
     }
 
-    /// Transmit a command for a capture
+    /// Transmit a command for one or more captures. ID spec: "1", "1, 3, 5", "1-5", or mixed.
-    fn transmit_command(&mut self, id_str: Option<&&str>, command: ButtonCommand) -> Result<()> {
+    fn transmit_command(&mut self, id_spec: Option<String>, command: ButtonCommand) -> Result<()> {
+        let id_spec = match id_spec.as_deref() {
+            Some(s) if !s.is_empty() => s,
+            _ => {
+                self.last_error = Some(format!("Usage: :{:?} <ID> (e.g. 1, 1,3,5, 1-5)", command).to_lowercase());
+                return Ok(());
+            }
+        };
+        let ids = match Self::parse_id_spec(id_spec) {
+            Ok(ids) => ids,
+            Err(e) => {
+                self.last_error = Some(e);
+                return Ok(());
+            }
+        };
+        for id in ids {
+            self.transmit_one_command(id, command)?;
+        }
+        Ok(())
+    }
+
+    /// Transmit a command for a single capture by ID.
+    fn transmit_one_command(&mut self, id: u32, command: ButtonCommand) -> Result<()> {
         use crate::protocols::DecodedSignal;
 
         if let Some(ref radio) = self.radio {
@@ -774,22 +850,6 @@ impl App {
             return Ok(());
         }
 
-        let id_str = match id_str {
-            Some(s) => s,
-            None => {
-                self.last_error = Some(format!("Usage: :{:?} <ID>", command).to_lowercase());
-                return Ok(());
-            }
-        };
-
-        let id: u32 = match id_str.parse() {
-            Ok(i) => i,
-            Err(_) => {
-                self.last_error = Some("Invalid capture ID".to_string());
-                return Ok(());
-            }
-        };
-
         let capture = match self.captures.iter().find(|c| c.id == id) {
             Some(c) => c.clone(),
             None => {
@@ -840,11 +900,12 @@ impl App {
             }
         };
 
-        if let Some(ref mut radio) = self.radio {
+        self.pending_transmit_queue.push((signal, capture.frequency));
-            radio.transmit(&signal, capture.frequency)?;
+        if self.pending_transmit_restore.is_none() {
-            self.status_message = Some(format!("Transmitted {:?} for capture {}", command, id));
+            self.pending_transmit_restore = Some(self.radio_state);
+            self.radio_state = RadioState::Transmitting;
         }
-
+        self.status_message = Some(format!("Transmitted {:?} for capture {}", command, id));
         Ok(())
     }
 
@@ -878,12 +939,14 @@ impl App {
             .iter()
             .map(|p| LevelDuration::new(p.level, p.duration_us))
             .collect();
+        let pair_count = signal.len();
 
-        if let Some(ref mut radio) = self.radio {
+        self.pending_transmit_queue.push((signal, capture.frequency));
-            radio.transmit(&signal, capture.frequency)?;
+        if self.pending_transmit_restore.is_none() {
-            self.status_message = Some(format!("Replayed capture {} ({} pairs)", id, signal.len()));
+            self.pending_transmit_restore = Some(self.radio_state);
+            self.radio_state = RadioState::Transmitting;
         }
-
+        self.status_message = Some(format!("Replayed capture {} ({} pairs)", id, pair_count));
         Ok(())
     }
 
@@ -949,11 +1012,34 @@ impl App {
             }
         };
 
-        if let Some(ref mut radio) = self.radio {
+        self.pending_transmit_queue.push((signal, capture.frequency));
-            radio.transmit(&signal, capture.frequency)?;
+        if self.pending_transmit_restore.is_none() {
-            self.status_message = Some(format!("Sent next code for capture {} (button {})", id, button));
+            self.pending_transmit_restore = Some(self.radio_state);
+            self.radio_state = RadioState::Transmitting;
         }
+        self.status_message = Some(format!("Sent next code for capture {} (button {})", id, button));
+        Ok(())
+    }
 
+    /// True if there are queued transmits (UI should draw then call run_one_pending_transmit).
+    pub fn has_pending_transmit(&self) -> bool {
+        !self.pending_transmit_queue.is_empty()
+    }
+
+    /// Run one queued transmit; restores radio_state when queue is empty. Call after drawing.
+    pub fn run_one_pending_transmit(&mut self) -> Result<()> {
+        let (signal, frequency) = match self.pending_transmit_queue.pop() {
+            Some(p) => p,
+            None => return Ok(()),
+        };
+        if let Some(ref mut radio) = self.radio {
+            radio.transmit(&signal, frequency)?;
+        }
+        if self.pending_transmit_queue.is_empty() {
+            if let Some(prev) = self.pending_transmit_restore.take() {
+                self.radio_state = prev;
+            }
+        }
         Ok(())
     }
 
@@ -1179,20 +1265,16 @@ impl App {
                 self.transmit_next_code(capture_id)?;
             }
             SignalAction::Lock => {
-                let id_str = capture_id.to_string();
+                self.transmit_command(Some(capture_id.to_string()), ButtonCommand::Lock)?;
-                self.transmit_command(Some(&&*id_str.as_str()), ButtonCommand::Lock)?;
             }
             SignalAction::Unlock => {
-                let id_str = capture_id.to_string();
+                self.transmit_command(Some(capture_id.to_string()), ButtonCommand::Unlock)?;
-                self.transmit_command(Some(&&*id_str.as_str()), ButtonCommand::Unlock)?;
             }
             SignalAction::Trunk => {
-                let id_str = capture_id.to_string();
+                self.transmit_command(Some(capture_id.to_string()), ButtonCommand::Trunk)?;
-                self.transmit_command(Some(&&*id_str.as_str()), ButtonCommand::Trunk)?;
             }
             SignalAction::Panic => {
-                let id_str = capture_id.to_string();
+                self.transmit_command(Some(capture_id.to_string()), ButtonCommand::Panic)?;
-                self.transmit_command(Some(&&*id_str.as_str()), ButtonCommand::Panic)?;
             }
             SignalAction::ExportFob => {
                 self.export_fob(capture_id)?;

src/main.rs

@@ -176,6 +176,10 @@ fn run_app<B: ratatui::backend::Backend>(terminal: &mut Terminal<B>, app: &mut A
                                 if app.input_mode == InputMode::Command {
                                     app.input_mode = InputMode::Normal;
                                 }
+                                while app.has_pending_transmit() {
+                                    terminal.draw(|f| draw_ui(f, app))?;
+                                    app.run_one_pending_transmit()?;
+                                }
                             }
                             KeyCode::Char(c) => {
                                 app.command_input.push(c);
@@ -209,6 +213,10 @@ fn run_app<B: ratatui::backend::Backend>(terminal: &mut Terminal<B>, app: &mut A
                                 if app.input_mode == InputMode::SignalMenu {
                                     app.input_mode = InputMode::Normal;
                                 }
+                                while app.has_pending_transmit() {
+                                    terminal.draw(|f| draw_ui(f, app))?;
+                                    app.run_one_pending_transmit()?;
+                                }
                             }
                             KeyCode::Esc => {
                                 app.input_mode = InputMode::Normal;

src/ui/layout.rs

@@ -138,11 +138,19 @@ pub fn draw_ui(frame: &mut Frame, app: &App) {
     }
 }
 
-/// Render the RSSI bar on the right (vertical bar, bottom = strong).
+/// Render the RSSI bar on the right (vertical bar, bottom = strong). Shows " TX " in red when transmitting.
 fn render_rssi_bar(frame: &mut Frame, area: Rect, app: &App) {
+    let is_tx = app.radio_state == RadioState::Transmitting;
+    let (title, filled_style, empty_style) = if is_tx {
+        (" TX ", Style::default().fg(Color::Red), Style::default().fg(Color::DarkGray))
+    } else {
+        (" RX ", Style::default().fg(Color::Green), Style::default().fg(Color::DarkGray))
+    };
+
     let block = Block::default()
         .borders(Borders::ALL)
-        .title(" RX ");
+        .border_style(if is_tx { Style::default().fg(Color::Red) } else { Style::default() })
+        .title(title);
     let inner = block.inner(area);
     frame.render_widget(block, area);
 
@@ -150,23 +158,24 @@ fn render_rssi_bar(frame: &mut Frame, area: Rect, app: &App) {
         return;
     }
 
-    // Normalize RSSI (0..~1) to fill ratio; scale so ~0.5 magnitude ≈ full bar
+    // When TX: show full red bar. When RX: scale RSSI to fill ratio
-    let fill_ratio = (app.rssi / 0.6).min(1.0);
+    let (fill_ratio, style) = if is_tx {
+        (1.0_f32, filled_style)
+    } else {
+        let fill_ratio = (app.rssi / 0.6).min(1.0);
+        (fill_ratio, filled_style)
+    };
     let filled_rows = (inner.height as f32 * fill_ratio).round() as u16;
 
-    let filled_style = Style::default().fg(Color::Green);
-    let empty_style = Style::default().fg(Color::DarkGray);
-
     let mut lines = Vec::with_capacity(inner.height as usize);
     for r in 0..inner.height {
         let fill = r >= inner.height.saturating_sub(filled_rows);
-        let (style, ch) = if fill {
+        let (s, line_style) = if fill {
-            (filled_style, "█")
+            ("█".repeat(inner.width as usize), style)
         } else {
-            (empty_style, " ")
+            (" ".repeat(inner.width as usize), empty_style)
         };
-        let s = ch.repeat(inner.width as usize);
+        lines.push(Line::from(Span::styled(s, line_style)));
-        lines.push(Line::from(Span::styled(s, style)));
     }
     let paragraph = Paragraph::new(Text::from(lines));
     frame.render_widget(paragraph, inner);

src/vuln_db.rs

@@ -1,13 +1,19 @@
-//! Vulnerability database: CVE entries matched by Year, Make, Model, Region.
+//! Vulnerability database: CVE entries matched by year range, makes, models, region.
 //! Used for "Vuln Found" column and the Vulnerability detail panel.
 
-/// One CVE entry. Year/Make/Model/Region use "ALL" to match any value.
+/// One CVE entry. Year range is inclusive; "ALL" for start/end means no bound.
+/// Makes and models are arrays; any match counts. Use ["ALL"] to match any make/model.
 #[derive(Debug, Clone)]
 pub struct VulnEntry {
     pub cve: &'static str,
-    pub year: &'static str,
+    /// Inclusive start year (e.g. "2018"). "ALL" = no lower bound.
-    pub make: &'static str,
+    pub year_start: &'static str,
-    pub model: &'static str,
+    /// Inclusive end year (e.g. "2021"). "ALL" = no upper bound.
+    pub year_end: &'static str,
+    /// Makes that are affected (e.g. ["Renault"], ["Honda", "Acura"]). ["ALL"] = any make.
+    pub makes: &'static [&'static str],
+    /// Models that are affected (e.g. ["ZOE"], ["Civic", "Accord"]). ["ALL"] = any model.
+    pub models: &'static [&'static str],
     pub region: &'static str,
     pub description: &'static str,
 }
@@ -15,24 +21,28 @@ pub struct VulnEntry {
 pub const VULN_DB: [VulnEntry; 2] = [
     VulnEntry {
         cve: "CVE-2022-38766",
-        year: "2021",
+        year_start: "2020",
-        make: "Renault",
+        year_end: "2022",
-        model: "ALL",
+        makes: &["Renault"],
+        models: &["ZOE"],
         region: "ALL",
         description: "The remote keyless system on Renault ZOE 2021 vehicles sends 433.92 MHz RF signals from the same Rolling Codes set for each door-open request, which allows for a replay attack.",
     },
     VulnEntry {
         cve: "CVE-2022-27254",
-        year: "2018",
+        year_start: "2016",
-        make: "Honda",
+        year_end: "2019",
-        model: "Civic",
+        makes: &["Honda"],
+        models: &["Civic"],
         region: "ALL",
         description: "The remote keyless system on Honda Civic 2018 vehicles sends the same RF signal for each door-open request, which allows for a replay attack, a related issue to CVE-2019-20626.",
     },
 ];
 
-/// Match a capture's year/make/model/region against the DB. "ALL" in an entry matches any value.
+/// Match a capture's year/make/model/region against the DB.
-/// Empty/None from capture is treated as empty string (so "ALL" matches it).
+/// Year: parsed as number; must be in [year_start, year_end] when entry has bounds.
+/// Make/Model: capture value must match one of the entry's list, or entry list contains "ALL".
+/// Region: "ALL" in entry matches any; otherwise case-insensitive match.
 pub fn match_vulns(
     year: Option<&str>,
     make: Option<&str>,
@@ -44,17 +54,58 @@ pub fn match_vulns(
     let mod_ = model.unwrap_or("");
     let r = region.unwrap_or("");
 
+    let year_num: Option<u32> = y.trim().parse().ok();
+
     VULN_DB
         .iter()
         .filter(|e| {
-            (e.year == "ALL" || eq_ignore_case(e.year, y))
+            year_in_range(e.year_start, e.year_end, year_num)
-                && (e.make == "ALL" || eq_ignore_case(e.make, m))
+                && list_matches(e.makes, m)
-                && (e.model == "ALL" || eq_ignore_case(e.model, mod_))
+                && list_matches(e.models, mod_)
                 && (e.region == "ALL" || eq_ignore_case(e.region, r))
         })
         .collect()
 }
 
+fn year_in_range(start: &str, end: &str, capture_year: Option<u32>) -> bool {
+    let has_start = start != "ALL" && !start.trim().is_empty();
+    let has_end = end != "ALL" && !end.trim().is_empty();
+    if !has_start && !has_end {
+        return true;
+    }
+    let Some(yr) = capture_year else {
+        return false;
+    };
+    if has_start {
+        let Ok(s) = start.trim().parse::<u32>() else {
+            return false;
+        };
+        if yr < s {
+            return false;
+        }
+    }
+    if has_end {
+        let Ok(e) = end.trim().parse::<u32>() else {
+            return false;
+        };
+        if yr > e {
+            return false;
+        }
+    }
+    true
+}
+
+fn list_matches(list: &[&'static str], capture_value: &str) -> bool {
+    if list.is_empty() {
+        return false;
+    }
+    if list.iter().any(|s| *s == "ALL") {
+        return true;
+    }
+    list.iter()
+        .any(|s| eq_ignore_case(s, capture_value))
+}
+
 fn eq_ignore_case(a: &str, b: &str) -> bool {
     a.eq_ignore_ascii_case(b)
 }