BinaryContentにCTF向けメタ情報を追加し読み込み上限を設定する

src-tauri/Cargo.toml

@@ -39,3 +39,4 @@ ipnetwork = "0.20"
 default-net = "0.22"
 directories = "6"
 pcap = "2"
+openssl = "0.10"

src-tauri/config/default.toml

@@ -26,3 +26,12 @@ prefer_rust_implementation = true
 [paths]
 pcap_output_dir = "captured"
 pcap_filename = "arper.pcap"
+
+[binary]
+max_read_bytes = 1048576
+hex_dump_bytes = 4096
+decoded_text_max_chars = 16384
+max_strings = 200
+min_string_len = 4
+magic_bytes_len = 16
+max_flag_candidates = 50

src-tauri/src/commands/binary.rs

@@ -1,16 +1,29 @@
 use serde::Serialize;
 
 use crate::error::AppError;
+use crate::AppState;
 
 #[derive(Debug, Serialize, Clone)]
 pub struct BinaryContent {
     pub hex_dump: String,
     pub decoded_text: String,
     pub file_size: u64,
     pub file_name: String,
+    pub magic_bytes: String,
+    pub file_type_guess: String,
+    pub sha256: String,
+    pub sha1: String,
+    pub md5: String,
+    pub printable_strings: Vec<String>,
+    pub flag_candidates: Vec<String>,
+    pub entropy: f64,
+    pub warnings: Vec<String>,
 }
 
 #[tauri::command]
-pub async fn read_binary_file(file_path: String) -> Result<BinaryContent, AppError> {
-    crate::utils::binary::read_file(&file_path)
+pub async fn read_binary_file(
+    state: tauri::State<'_, AppState>,
+    file_path: String,
+) -> Result<BinaryContent, AppError> {
+    crate::utils::binary::read_file(&file_path, &state.config.binary)
 }

src-tauri/src/config.rs

@@ -11,6 +11,8 @@ pub struct AppConfig {
     pub network: NetworkConfig,
     pub feature_flags: FeatureFlagsConfig,
     pub paths: PathsConfig,
+    #[serde(default)]
+    pub binary: BinaryConfig,
 }
 
 #[derive(Debug, Deserialize, Clone)]
@@ -52,6 +54,17 @@ pub struct PathsConfig {
     pub pcap_filename: String,
 }
 
+#[derive(Debug, Deserialize, Clone)]
+pub struct BinaryConfig {
+    pub max_read_bytes: usize,
+    pub hex_dump_bytes: usize,
+    pub decoded_text_max_chars: usize,
+    pub max_strings: usize,
+    pub min_string_len: usize,
+    pub magic_bytes_len: usize,
+    pub max_flag_candidates: usize,
+}
+
 impl AppConfig {
     pub fn load() -> Result<Self, Box<dyn std::error::Error>> {
         let config_path = Self::config_path();
@@ -107,6 +120,21 @@ impl Default for AppConfig {
                 pcap_output_dir: "captured".to_string(),
                 pcap_filename: "arper.pcap".to_string(),
             },
+            binary: BinaryConfig::default(),
+        }
+    }
+}
+
+impl Default for BinaryConfig {
+    fn default() -> Self {
+        Self {
+            max_read_bytes: 1_048_576,
+            hex_dump_bytes: 4_096,
+            decoded_text_max_chars: 16_384,
+            max_strings: 200,
+            min_string_len: 4,
+            magic_bytes_len: 16,
+            max_flag_candidates: 50,
         }
     }
 }