CellGuard app: on-device IMSI-catcher detection (Kotlin/Compose)
- foreground DetectorService: cgcap capture + on-device decode - framework CellInfo source: real serving+neighbor towers, signal, carrier name - FrameDecoder: 0x070F cell-info SIT decode - block-2G/3G + detection toggles via cgctl; libsu root bridge - silent status notification + edge-triggered alerts
This commit is contained in:
sssnake
12
.gitignore
vendored
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12
.gitignore
vendored
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.gradle/
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build/
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*/build/
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/local.properties
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.idea/
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.claude/
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*.apk
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*.iml
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.DS_Store
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captures/
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.externalNativeBuild/
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.cxx/
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45
BUILD.md
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45
BUILD.md
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# Building CellGuard
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## Toolchain
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| Component | Version |
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|-------------------|-----------|
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| Gradle (wrapper) | 8.9 |
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| Android Gradle Plugin | 8.5.2 |
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| Kotlin | 1.9.23 |
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| Compose compiler | 1.5.11 |
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| JDK | 21 |
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| compileSdk / targetSdk | 35 |
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| minSdk | 33 |
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| Build tools | 35.0.0 |
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These versions are mutually compatible: AGP 8.5.2 requires Gradle 8.7+ and JDK 17+
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(JDK 21 is fine), and Kotlin 1.9.23 pins the Compose compiler extension to 1.5.11.
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## Prerequisites
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- JDK 21 installed at `/usr/lib/jvm/java-21-openjdk-arm64`
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- Android SDK at `/home/snake/Android/Sdk` with:
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- `platforms/android-35`
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- `build-tools/35.0.0`
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- Network access for the first build (downloads AndroidX, Compose BOM 2024.06.00,
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and libsu 5.2.2 from Google, Maven Central, and JitPack).
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## Build command (debug APK)
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```bash
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export JAVA_HOME=/usr/lib/jvm/java-21-openjdk-arm64
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export ANDROID_HOME=/home/snake/Android/Sdk
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cd /home/snake/CellGuard-app && ./gradlew :app:assembleDebug
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```
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## Output
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The debug APK is written to:
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```
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/home/snake/CellGuard-app/app/build/outputs/apk/debug/app-debug.apk
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```
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For a release (unsigned) build, run `./gradlew :app:assembleRelease`; the artifact
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lands in `app/build/outputs/apk/release/`.
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82
app/build.gradle.kts
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82
app/build.gradle.kts
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plugins {
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id("com.android.application")
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id("org.jetbrains.kotlin.android")
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}
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android {
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namespace = "com.seteclabs.cellguard"
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compileSdk = 35
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buildToolsVersion = "35.0.0"
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defaultConfig {
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applicationId = "com.seteclabs.cellguard"
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minSdk = 33
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targetSdk = 35
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versionCode = 1
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versionName = "1.0"
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vectorDrawables {
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useSupportLibrary = true
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}
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}
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buildTypes {
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release {
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isMinifyEnabled = false
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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}
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debug {
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isMinifyEnabled = false
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_21
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targetCompatibility = JavaVersion.VERSION_21
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}
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kotlinOptions {
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jvmTarget = "21"
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}
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buildFeatures {
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compose = true
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}
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composeOptions {
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// Kotlin 1.9.23 -> Compose compiler 1.5.11
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kotlinCompilerExtensionVersion = "1.5.11"
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}
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packaging {
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resources {
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excludes += "/META-INF/{AL2.0,LGPL2.1}"
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}
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}
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}
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dependencies {
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val composeBom = platform("androidx.compose:compose-bom:2024.06.00")
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implementation(composeBom)
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implementation("androidx.core:core-ktx:1.13.1")
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implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.3")
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implementation("androidx.lifecycle:lifecycle-service:2.8.3")
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implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.8.3")
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implementation("androidx.activity:activity-compose:1.9.0")
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implementation("androidx.compose.ui:ui")
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implementation("androidx.compose.ui:ui-graphics")
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implementation("androidx.compose.ui:ui-tooling-preview")
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implementation("androidx.compose.material3:material3")
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implementation("androidx.compose.material:material-icons-extended")
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// Root access via libsu (JitPack)
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implementation("com.github.topjohnwu.libsu:core:5.2.2")
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implementation("com.github.topjohnwu.libsu:service:5.2.2")
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debugImplementation("androidx.compose.ui:ui-tooling")
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}
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13
app/proguard-rules.pro
vendored
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13
app/proguard-rules.pro
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# CellGuard ProGuard rules
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# Keep the shared data model (used by on-device decoder + UI)
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-keep class com.seteclabs.cellguard.model.** { *; }
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# libsu uses AIDL + reflection for its root service; keep it intact.
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-keep class com.topjohnwu.superuser.** { *; }
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-keep interface com.topjohnwu.superuser.** { *; }
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-dontwarn com.topjohnwu.superuser.**
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# Kotlin metadata / coroutines
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-keepclassmembers class kotlin.Metadata { *; }
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-dontwarn kotlinx.**
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41
app/src/main/AndroidManifest.xml
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41
app/src/main/AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
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<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
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<uses-permission android:name="android.permission.READ_PHONE_STATE" />
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
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<application
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android:name=".App"
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android:allowBackup="true"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/Theme.CellGuard">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:label="@string/app_name"
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android:theme="@style/Theme.CellGuard">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<service
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android:name=".service.DetectorService"
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android:exported="false"
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android:foregroundServiceType="specialUse">
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<property
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android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
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android:value="Continuous baseband cell-capture monitoring and IMSI-catcher detection" />
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</service>
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</application>
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</manifest>
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32
app/src/main/java/com/seteclabs/cellguard/App.kt
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32
app/src/main/java/com/seteclabs/cellguard/App.kt
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package com.seteclabs.cellguard
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import android.app.Application
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import com.topjohnwu.superuser.Shell
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/**
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* Application entry point. Configures libsu's default shell BEFORE any
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* Shell.cmd() call so the main shell is created as root. Without this explicit
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* builder the default main shell can fail to acquire root on KernelSU (the
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* commands then run in the app's own untrusted_app domain and can't touch
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* /proc/cgcap or /data/adb). FLAG_MOUNT_MASTER runs su in the global mount
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* namespace so the module paths under /data/adb are visible.
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*/
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class App : Application() {
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companion object {
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init {
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Shell.enableVerboseLogging = true
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Shell.setDefaultBuilder(
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Shell.Builder.create()
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.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_REDIRECT_STDERR)
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.setTimeout(20)
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)
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}
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}
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override fun onCreate() {
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super.onCreate()
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// Warm the root shell early so the first UI/service call is fast and
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// any grant prompt happens up front.
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Shell.getShell { /* main shell created (root if granted) */ }
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}
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}
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package com.seteclabs.cellguard
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import com.seteclabs.cellguard.model.CellGuardState
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import com.seteclabs.cellguard.root.RootBridge
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import com.seteclabs.cellguard.service.DetectorService
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.launch
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/**
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* Bridges the Compose UI to the on-device detector.
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*
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* The live [CellGuardState] is produced by [DetectorService], which polls the
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* KSU module (cgctl.sh status/alerts) and decodes /proc/cgcap/frames on-device.
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* The ViewModel simply re-exposes that flow and forwards the two control toggles
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* to the module via [RootBridge]. Toggle writes run on an IO dispatcher; the new
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* state is observed on the next detector poll, so we don't optimistically mutate.
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*/
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class CellGuardViewModel : ViewModel() {
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/** Live detector state, surfaced by the foreground service. */
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val state: StateFlow<CellGuardState> = DetectorService.state
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/** Block 2G/3G enforcement (ratlock). The detector picks up the new
|
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* state on its next poll, which refreshes [state]. */
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||||||
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fun setBlock(on: Boolean) {
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||||||
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viewModelScope.launch(Dispatchers.IO) { RootBridge.setBlock(on) }
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||||||
|
}
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||||||
|
|
||||||
|
/** IMSI-catcher detection daemon. */
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||||||
|
fun setDetect(on: Boolean) {
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||||||
|
viewModelScope.launch(Dispatchers.IO) { RootBridge.setDetect(on) }
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||||||
|
}
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||||||
|
}
|
||||||
76
app/src/main/java/com/seteclabs/cellguard/MainActivity.kt
Normal file
76
app/src/main/java/com/seteclabs/cellguard/MainActivity.kt
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|
package com.seteclabs.cellguard
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|
|
||||||
|
import android.Manifest
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||||||
|
import android.content.Intent
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||||||
|
import android.content.pm.PackageManager
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||||||
|
import android.os.Build
|
||||||
|
import android.os.Bundle
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||||||
|
import androidx.activity.ComponentActivity
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||||||
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import androidx.activity.compose.setContent
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||||||
|
import androidx.activity.enableEdgeToEdge
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||||||
|
import androidx.activity.result.contract.ActivityResultContracts
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||||||
|
import androidx.core.content.ContextCompat
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|
import androidx.lifecycle.viewmodel.compose.viewModel
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||||||
|
import com.seteclabs.cellguard.service.DetectorService
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||||||
|
import com.seteclabs.cellguard.ui.CellGuardTheme
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||||||
|
import com.seteclabs.cellguard.ui.MainScreen
|
||||||
|
|
||||||
|
class MainActivity : ComponentActivity() {
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||||||
|
|
||||||
|
private val notifPermLauncher =
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||||||
|
registerForActivityResult(ActivityResultContracts.RequestPermission()) {
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||||||
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// The detector runs regardless; the permission only governs whether the
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// ongoing notification (and alert notifications) are shown to the user.
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||||||
|
}
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||||||
|
|
||||||
|
// ACCESS_FINE_LOCATION is required for the framework to return REAL cell
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// identity (CI/PCI/TAC/EARFCN) + neighbor cells; without it they are redacted.
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||||||
|
private val locationPermLauncher =
|
||||||
|
registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { }
|
||||||
|
|
||||||
|
override fun onCreate(savedInstanceState: Bundle?) {
|
||||||
|
super.onCreate(savedInstanceState)
|
||||||
|
enableEdgeToEdge()
|
||||||
|
|
||||||
|
requestNotificationPermission()
|
||||||
|
requestLocationPermission()
|
||||||
|
startDetector()
|
||||||
|
|
||||||
|
setContent {
|
||||||
|
CellGuardTheme {
|
||||||
|
val vm: CellGuardViewModel = viewModel()
|
||||||
|
MainScreen(vm)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun requestNotificationPermission() {
|
||||||
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
|
||||||
|
val granted = ContextCompat.checkSelfPermission(
|
||||||
|
this, Manifest.permission.POST_NOTIFICATIONS,
|
||||||
|
) == PackageManager.PERMISSION_GRANTED
|
||||||
|
if (!granted) {
|
||||||
|
notifPermLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun requestLocationPermission() {
|
||||||
|
val granted = ContextCompat.checkSelfPermission(
|
||||||
|
this, Manifest.permission.ACCESS_FINE_LOCATION,
|
||||||
|
) == PackageManager.PERMISSION_GRANTED
|
||||||
|
if (!granted) {
|
||||||
|
locationPermLauncher.launch(
|
||||||
|
arrayOf(
|
||||||
|
Manifest.permission.ACCESS_FINE_LOCATION,
|
||||||
|
Manifest.permission.ACCESS_COARSE_LOCATION,
|
||||||
|
),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun startDetector() {
|
||||||
|
val intent = Intent(this, DetectorService::class.java)
|
||||||
|
ContextCompat.startForegroundService(this, intent)
|
||||||
|
}
|
||||||
|
}
|
||||||
24
app/src/main/java/com/seteclabs/cellguard/cells/Carriers.kt
Normal file
24
app/src/main/java/com/seteclabs/cellguard/cells/Carriers.kt
Normal file
@@ -0,0 +1,24 @@
|
|||||||
|
package com.seteclabs.cellguard.cells
|
||||||
|
|
||||||
|
/** Best-effort PLMN (MCC+MNC) -> carrier name for US networks. */
|
||||||
|
object Carriers {
|
||||||
|
private val PLMN = mapOf(
|
||||||
|
// Verizon (Xfinity Mobile, Visible, Spectrum all ride Verizon)
|
||||||
|
"311480" to "Verizon", "310590" to "Verizon", "311270" to "Verizon",
|
||||||
|
"311280" to "Verizon", "310890" to "Verizon",
|
||||||
|
// T-Mobile (+ Metro, Mint, ex-Sprint)
|
||||||
|
"310260" to "T-Mobile", "310160" to "T-Mobile", "310200" to "T-Mobile",
|
||||||
|
"310210" to "T-Mobile", "310230" to "T-Mobile", "311882" to "T-Mobile",
|
||||||
|
"312530" to "T-Mobile", "310120" to "T-Mobile (Sprint)",
|
||||||
|
// AT&T (+ Cricket, FirstNet)
|
||||||
|
"310410" to "AT&T", "310150" to "AT&T", "311180" to "AT&T",
|
||||||
|
"310170" to "AT&T", "313100" to "FirstNet", "312770" to "FirstNet",
|
||||||
|
// US Cellular / Dish
|
||||||
|
"311580" to "US Cellular", "313340" to "Dish",
|
||||||
|
)
|
||||||
|
|
||||||
|
fun name(mcc: String, mnc: String): String? {
|
||||||
|
if (mcc.isBlank() || mnc.isBlank()) return null
|
||||||
|
return PLMN["$mcc$mnc"]
|
||||||
|
}
|
||||||
|
}
|
||||||
110
app/src/main/java/com/seteclabs/cellguard/cells/CellSource.kt
Normal file
110
app/src/main/java/com/seteclabs/cellguard/cells/CellSource.kt
Normal file
@@ -0,0 +1,110 @@
|
|||||||
|
package com.seteclabs.cellguard.cells
|
||||||
|
|
||||||
|
import android.Manifest
|
||||||
|
import android.content.Context
|
||||||
|
import android.content.pm.PackageManager
|
||||||
|
import android.telephony.CellIdentityNr
|
||||||
|
import android.telephony.CellInfo
|
||||||
|
import android.telephony.CellInfoGsm
|
||||||
|
import android.telephony.CellInfoLte
|
||||||
|
import android.telephony.CellInfoNr
|
||||||
|
import android.telephony.CellInfoWcdma
|
||||||
|
import android.telephony.CellSignalStrengthNr
|
||||||
|
import android.telephony.TelephonyManager
|
||||||
|
import androidx.core.content.ContextCompat
|
||||||
|
import com.seteclabs.cellguard.model.Tower
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Serving + neighbor towers from the Android telephony framework.
|
||||||
|
*
|
||||||
|
* Android redacts precise cell identity (CI/PCI/TAC/EARFCN) from any caller
|
||||||
|
* without ACCESS_FINE_LOCATION — which is why dumpsys/cgdetect only ever see
|
||||||
|
* `[****]`. With location granted, TelephonyManager.getAllCellInfo() returns the
|
||||||
|
* REAL identifiers plus all neighbor cells and signal, and requestCellInfoUpdate()
|
||||||
|
* additionally makes the modem emit a 0x070F frame (feeding the raw FrameDecoder
|
||||||
|
* path as a bonus). This is the standard field-test data source.
|
||||||
|
*/
|
||||||
|
object CellSource {
|
||||||
|
|
||||||
|
private fun tm(ctx: Context): TelephonyManager =
|
||||||
|
ctx.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
|
||||||
|
|
||||||
|
fun hasLocation(ctx: Context): Boolean =
|
||||||
|
ContextCompat.checkSelfPermission(ctx, Manifest.permission.ACCESS_FINE_LOCATION) ==
|
||||||
|
PackageManager.PERMISSION_GRANTED
|
||||||
|
|
||||||
|
/** Ask the modem for a fresh cell-info scan (also triggers a 0x070F frame). */
|
||||||
|
fun requestUpdate(ctx: Context) {
|
||||||
|
if (!hasLocation(ctx)) return
|
||||||
|
runCatching {
|
||||||
|
tm(ctx).requestCellInfoUpdate(
|
||||||
|
ctx.mainExecutor,
|
||||||
|
object : TelephonyManager.CellInfoCallback() {
|
||||||
|
override fun onCellInfo(cellInfo: MutableList<CellInfo>) {}
|
||||||
|
override fun onError(errorCode: Int, detail: Throwable?) {}
|
||||||
|
},
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Real serving + neighbor towers (empty if location not granted). */
|
||||||
|
fun read(ctx: Context): List<Tower> {
|
||||||
|
if (!hasLocation(ctx)) {
|
||||||
|
android.util.Log.w("CGCellSource", "no ACCESS_FINE_LOCATION")
|
||||||
|
return emptyList()
|
||||||
|
}
|
||||||
|
val list = runCatching { tm(ctx).allCellInfo }
|
||||||
|
.onFailure { android.util.Log.w("CGCellSource", "allCellInfo threw: $it") }
|
||||||
|
.getOrNull()
|
||||||
|
if (list == null) { android.util.Log.w("CGCellSource", "allCellInfo=null"); return emptyList() }
|
||||||
|
val netName = runCatching { tm(ctx).networkOperatorName }.getOrNull().orEmpty()
|
||||||
|
val towers = list.mapNotNull { map(it) }.map { t ->
|
||||||
|
if (t.op.isNotBlank()) t
|
||||||
|
else t.copy(
|
||||||
|
op = (if (t.registered) netName else "")
|
||||||
|
.ifBlank { Carriers.name(t.mcc, t.mnc) ?: "" },
|
||||||
|
)
|
||||||
|
}
|
||||||
|
android.util.Log.i("CGCellSource", "allCellInfo n=${list.size} towers=" +
|
||||||
|
towers.joinToString { "${it.rat}/${it.mcc}${it.mnc} ci=${it.ci} pci=${it.pci} tac=${it.tac} earfcn=${it.earfcn} reg=${it.registered}" })
|
||||||
|
return towers
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun str(v: CharSequence?): String = v?.toString().orEmpty()
|
||||||
|
private fun ok(v: Int): Int? = if (v == Int.MAX_VALUE || v == Int.MIN_VALUE) null else v
|
||||||
|
|
||||||
|
private fun map(ci: CellInfo): Tower? {
|
||||||
|
val reg = ci.isRegistered
|
||||||
|
return when (ci) {
|
||||||
|
is CellInfoLte -> {
|
||||||
|
val id = ci.cellIdentity
|
||||||
|
val ss = ci.cellSignalStrength
|
||||||
|
Tower("LTE", reg, str(id.mccString), str(id.mncString),
|
||||||
|
(ok(id.ci)?.toLong()) ?: -1L, ok(id.pci) ?: -1, ok(id.tac) ?: -1,
|
||||||
|
ok(id.earfcn) ?: -1, ok(ss.rsrp), ok(ss.rsrq), str(id.operatorAlphaLong))
|
||||||
|
}
|
||||||
|
is CellInfoNr -> {
|
||||||
|
val id = ci.cellIdentity as CellIdentityNr
|
||||||
|
val ss = ci.cellSignalStrength as CellSignalStrengthNr
|
||||||
|
Tower("NR", reg, str(id.mccString), str(id.mncString),
|
||||||
|
if (id.nci == Long.MAX_VALUE) -1L else id.nci, ok(id.pci) ?: -1, ok(id.tac) ?: -1,
|
||||||
|
ok(id.nrarfcn) ?: -1, ok(ss.ssRsrp), ok(ss.ssRsrq), str(id.operatorAlphaLong))
|
||||||
|
}
|
||||||
|
is CellInfoWcdma -> {
|
||||||
|
val id = ci.cellIdentity
|
||||||
|
val ss = ci.cellSignalStrength
|
||||||
|
Tower("WCDMA", reg, str(id.mccString), str(id.mncString),
|
||||||
|
(ok(id.cid)?.toLong()) ?: -1L, ok(id.psc) ?: -1, ok(id.lac) ?: -1,
|
||||||
|
ok(id.uarfcn) ?: -1, ok(ss.dbm), null, str(id.operatorAlphaLong))
|
||||||
|
}
|
||||||
|
is CellInfoGsm -> {
|
||||||
|
val id = ci.cellIdentity
|
||||||
|
val ss = ci.cellSignalStrength
|
||||||
|
Tower("GSM", reg, str(id.mccString), str(id.mncString),
|
||||||
|
(ok(id.cid)?.toLong()) ?: -1L, -1, ok(id.lac) ?: -1,
|
||||||
|
ok(id.arfcn) ?: -1, ok(ss.dbm), null, str(id.operatorAlphaLong))
|
||||||
|
}
|
||||||
|
else -> null
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
231
app/src/main/java/com/seteclabs/cellguard/decode/FrameDecoder.kt
Normal file
231
app/src/main/java/com/seteclabs/cellguard/decode/FrameDecoder.kt
Normal file
@@ -0,0 +1,231 @@
|
|||||||
|
package com.seteclabs.cellguard.decode
|
||||||
|
|
||||||
|
import com.seteclabs.cellguard.model.Tower
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Kotlin port of tools/cg_decode.py — decodes Shannon CP->AP frames captured by
|
||||||
|
* cgcap.ko and flags IMSI-catcher / cell-site-simulator (CSS) signatures.
|
||||||
|
*
|
||||||
|
* Frame layering (RE'd + validated against live frames):
|
||||||
|
* 0x00 u16 magic = 0xABCD 0x08 u8 channel (0xf6 = umts_ipc1 SIT)
|
||||||
|
* 0x02 u16 counter 0x0a u16 0x0000
|
||||||
|
* 0x06 u16 length --- SIT message starts at frame byte 0x0c ---
|
||||||
|
* SIT: 0x0c type | 0x0e id(hi=grp,lo=cmd) | 0x10 len | 0x12 rsvd | params @0x14
|
||||||
|
*
|
||||||
|
* Cell-info list (SIT id 0x070F, NET) params (relative to params @0x14):
|
||||||
|
* +0x00 u16 sit_len +0x04 u32 count +0x08 record[0]
|
||||||
|
* record = u8 rat | u8 registered | u8 conn_status | struct (stride incl. header)
|
||||||
|
* rat: 0=GSM 1=CDMA 2=LTE 3=WCDMA 4=TDSCDMA 5=NR
|
||||||
|
* stride LTE=0x13C NR=0x18C GSM=0xA4
|
||||||
|
*
|
||||||
|
* Pure Kotlin, no Android dependencies.
|
||||||
|
*/
|
||||||
|
object FrameDecoder {
|
||||||
|
|
||||||
|
const val MAGIC = 0xABCD
|
||||||
|
const val SIT_CELL_INFO_LIST = 0x070F
|
||||||
|
|
||||||
|
private val RAT = mapOf(
|
||||||
|
0 to "GSM", 1 to "CDMA", 2 to "LTE", 3 to "WCDMA", 4 to "TDSCDMA", 5 to "NR",
|
||||||
|
)
|
||||||
|
|
||||||
|
// stride includes the 3-byte record header (rat|registered|conn_status)
|
||||||
|
private val STRIDE = mapOf(
|
||||||
|
0 to 0xA4, 1 to 0x2B, 2 to 0x13C, 3 to 0x114, 4 to 0x110, 5 to 0x18C,
|
||||||
|
)
|
||||||
|
|
||||||
|
private val WEAK_RAT = setOf("GSM", "WCDMA", "TDSCDMA", "CDMA") // 2G/3G = downgrade risk
|
||||||
|
|
||||||
|
private val RX_LINE = Regex("""^(\d+)\s+RX\s+ch=0x([0-9a-f]+).*?\s([0-9a-f]{8,})""")
|
||||||
|
private val PLMN_RUN = Regex("""(\d{6})""")
|
||||||
|
|
||||||
|
// ---- little-endian readers (bounds-checked, matching the Python helpers) ----
|
||||||
|
|
||||||
|
private fun u16(b: ByteArray, o: Int): Int =
|
||||||
|
if (o + 1 < b.size) (b[o].toInt() and 0xFF) or ((b[o + 1].toInt() and 0xFF) shl 8) else 0
|
||||||
|
|
||||||
|
private fun u32(b: ByteArray, o: Int): Long {
|
||||||
|
if (o + 4 > b.size) return 0L
|
||||||
|
var v = 0L
|
||||||
|
for (i in 0 until 4) v = v or ((b[o + i].toLong() and 0xFF) shl (8 * i))
|
||||||
|
return v
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun u64(b: ByteArray, o: Int): Long {
|
||||||
|
if (o + 8 > b.size) return 0L
|
||||||
|
var v = 0L
|
||||||
|
for (i in 0 until 8) v = v or ((b[o + i].toLong() and 0xFF) shl (8 * i))
|
||||||
|
return v
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun s32(b: ByteArray, o: Int): Int {
|
||||||
|
val v = u32(b, o)
|
||||||
|
return (if (v and 0x80000000L != 0L) v - (1L shl 32) else v).toInt()
|
||||||
|
}
|
||||||
|
|
||||||
|
/** ASCII string up to first NUL, non-ASCII -> U+FFFD, '#' stripped (matches astr). */
|
||||||
|
private fun astr(b: ByteArray, o: Int, n: Int): String {
|
||||||
|
val sb = StringBuilder()
|
||||||
|
val end = minOf(o + n, b.size)
|
||||||
|
var i = o
|
||||||
|
while (i < end) {
|
||||||
|
val c = b[i].toInt() and 0xFF
|
||||||
|
i++
|
||||||
|
if (c == 0) break
|
||||||
|
if (c == '#'.code) continue
|
||||||
|
sb.append(if (c < 128) c.toChar() else '<27>')
|
||||||
|
}
|
||||||
|
return sb.toString()
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- per-RAT struct parsers (offsets relative to struct = record[+3 .. +stride]) ----
|
||||||
|
|
||||||
|
private fun parseLte(s: ByteArray, registered: Boolean): Tower = Tower(
|
||||||
|
rat = "LTE",
|
||||||
|
registered = registered,
|
||||||
|
mcc = astr(s, 0, 3),
|
||||||
|
mnc = astr(s, 3, 3),
|
||||||
|
ci = u32(s, 6),
|
||||||
|
pci = u32(s, 0xa).toInt(),
|
||||||
|
tac = u32(s, 0xe).toInt(),
|
||||||
|
earfcn = u32(s, 0x12).toInt(),
|
||||||
|
rsrp = if (s.size > 0x124) -s32(s, 0x121) else null,
|
||||||
|
rsrq = if (s.size > 0x128) s32(s, 0x125) else null,
|
||||||
|
op = astr(s, 0x1a, 32),
|
||||||
|
)
|
||||||
|
|
||||||
|
private fun parseNr(s: ByteArray, registered: Boolean): Tower = Tower(
|
||||||
|
rat = "NR",
|
||||||
|
registered = registered,
|
||||||
|
mcc = astr(s, 0, 3),
|
||||||
|
mnc = astr(s, 3, 3),
|
||||||
|
ci = u64(s, 6), // nci
|
||||||
|
pci = u32(s, 0xe).toInt(),
|
||||||
|
tac = u32(s, 0x12).toInt(),
|
||||||
|
earfcn = u32(s, 0x16).toInt(), // arfcn
|
||||||
|
rsrp = if (s.size > 0x11c) -s32(s, 0x119) else null,
|
||||||
|
rsrq = null, // NR carries SINR (@0x121), not RSRQ
|
||||||
|
op = astr(s, 0x1a, 32),
|
||||||
|
)
|
||||||
|
|
||||||
|
private fun parseGsm(s: ByteArray, registered: Boolean): Tower = Tower(
|
||||||
|
rat = "GSM",
|
||||||
|
registered = registered,
|
||||||
|
mcc = astr(s, 0, 3),
|
||||||
|
mnc = astr(s, 3, 3),
|
||||||
|
ci = u32(s, 0xa), // cid
|
||||||
|
pci = 0, // GSM has no PCI
|
||||||
|
tac = u32(s, 6).toInt(), // lac
|
||||||
|
earfcn = u32(s, 0xe).toInt(), // arfcn
|
||||||
|
rsrp = if (s.size > 0x98) s32(s, 0x95) else null, // rssi
|
||||||
|
rsrq = null,
|
||||||
|
op = astr(s, 0x13, 32),
|
||||||
|
)
|
||||||
|
|
||||||
|
private fun parseStruct(rat: Int, registered: Boolean, s: ByteArray): Tower = when (rat) {
|
||||||
|
0 -> parseGsm(s, registered)
|
||||||
|
2 -> parseLte(s, registered)
|
||||||
|
5 -> parseNr(s, registered)
|
||||||
|
else -> Tower(
|
||||||
|
rat = RAT[rat] ?: rat.toString(),
|
||||||
|
registered = registered,
|
||||||
|
mcc = "", mnc = "", ci = 0L, pci = 0, tac = 0, earfcn = 0,
|
||||||
|
rsrp = null, rsrq = null, op = "",
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Decode a SIT 0x070F cell-info list from its params (frame[0x14:]). */
|
||||||
|
fun decodeCellInfo(params: ByteArray): List<Tower> {
|
||||||
|
val count = u32(params, 4)
|
||||||
|
val cells = ArrayList<Tower>()
|
||||||
|
var off = 8
|
||||||
|
while (off + 3 < params.size && cells.size < count && count < 64) {
|
||||||
|
val rat = params[off].toInt() and 0xFF
|
||||||
|
val registered = (params[off + 1].toInt() and 0xFF) != 0
|
||||||
|
val stride = STRIDE[rat] ?: 0
|
||||||
|
if (stride == 0) break
|
||||||
|
val struct = params.copyOfRange(off + 3, minOf(off + stride, params.size))
|
||||||
|
cells.add(parseStruct(rat, registered, struct))
|
||||||
|
off += stride
|
||||||
|
}
|
||||||
|
return cells
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Decode a single frame's raw bytes. Returns the cell list for a 0x070F
|
||||||
|
* CellInfoList frame, or an empty list for any other (or invalid) frame.
|
||||||
|
*/
|
||||||
|
fun decodeFrame(frame: ByteArray): List<Tower> {
|
||||||
|
if (frame.size < 16 || u16(frame, 0) != MAGIC) return emptyList()
|
||||||
|
val sid = u16(frame, 0x0e)
|
||||||
|
if (sid != SIT_CELL_INFO_LIST) return emptyList()
|
||||||
|
val params = frame.copyOfRange(0x14, frame.size)
|
||||||
|
return decodeCellInfo(params)
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Parse /proc/cgcap/frames text: every 0x070F CellInfoList frame -> towers. */
|
||||||
|
fun decodeFrames(text: String): List<Tower> {
|
||||||
|
val out = ArrayList<Tower>()
|
||||||
|
for (frame in loadRx(text)) out.addAll(decodeFrame(frame))
|
||||||
|
return out
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Parse RX lines to raw payload byte arrays (matches load_rx). */
|
||||||
|
private fun loadRx(text: String): List<ByteArray> {
|
||||||
|
val out = ArrayList<ByteArray>()
|
||||||
|
for (line in text.lineSequence()) {
|
||||||
|
val m = RX_LINE.find(line) ?: continue
|
||||||
|
out.add(hexToBytes(m.groupValues[3]))
|
||||||
|
}
|
||||||
|
return out
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun hexToBytes(hexIn: String): ByteArray {
|
||||||
|
val hex = if (hexIn.length % 2 == 0) hexIn else hexIn.substring(0, hexIn.length - 1)
|
||||||
|
val out = ByteArray(hex.length / 2)
|
||||||
|
for (i in out.indices) {
|
||||||
|
out[i] = ((hex[i * 2].digitToInt(16) shl 4) or hex[i * 2 + 1].digitToInt(16)).toByte()
|
||||||
|
}
|
||||||
|
return out
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* First 6-digit PLMN run seen across all RX frame params (deterministic
|
||||||
|
* analogue of the Python plmns set), usable as the expected serving PLMN.
|
||||||
|
*/
|
||||||
|
fun firstPlmn(text: String): String? {
|
||||||
|
for (frame in loadRx(text)) {
|
||||||
|
if (frame.size < 0x14) continue
|
||||||
|
val params = frame.copyOfRange(0x14, frame.size)
|
||||||
|
val ascii = String(CharArray(params.size) { (params[it].toInt() and 0xFF).toChar() })
|
||||||
|
PLMN_RUN.find(ascii)?.let { return it.groupValues[1] }
|
||||||
|
}
|
||||||
|
return null
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* CSS / IMSI-catcher heuristics for a cell-info snapshot. Returns human-readable
|
||||||
|
* suspect strings (matches the Python heuristics()).
|
||||||
|
*
|
||||||
|
* @param cells decoded towers for one snapshot
|
||||||
|
* @param servingPlmn expected serving PLMN (mcc+mnc), e.g. from [firstPlmn]
|
||||||
|
*/
|
||||||
|
fun heuristics(cells: List<Tower>, servingPlmn: String?): List<String> {
|
||||||
|
val alerts = ArrayList<String>()
|
||||||
|
val serving = cells.filter { it.registered }
|
||||||
|
for (c in serving) {
|
||||||
|
if (c.rat in WEAK_RAT) {
|
||||||
|
alerts.add("DOWNGRADE: serving on ${c.rat} (2G/3G) — CSS downgrade signature")
|
||||||
|
}
|
||||||
|
val pl = c.mcc + c.mnc
|
||||||
|
if (!servingPlmn.isNullOrEmpty() && pl.isNotEmpty() && pl != servingPlmn) {
|
||||||
|
alerts.add("PLMN MISMATCH: serving cell PLMN $pl != expected $servingPlmn")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// NOTE: an empty neighbor list is NOT a reliable CSS signal on its own —
|
||||||
|
// an idle modem (esp. on WiFi-calling) legitimately reports zero
|
||||||
|
// neighbors, which produced false alerts. Only real signals remain:
|
||||||
|
// active 2G/3G downgrade and serving-PLMN mismatch.
|
||||||
|
return alerts
|
||||||
|
}
|
||||||
|
}
|
||||||
35
app/src/main/java/com/seteclabs/cellguard/model/Models.kt
Normal file
35
app/src/main/java/com/seteclabs/cellguard/model/Models.kt
Normal file
@@ -0,0 +1,35 @@
|
|||||||
|
package com.seteclabs.cellguard.model
|
||||||
|
|
||||||
|
data class Tower(
|
||||||
|
val rat: String,
|
||||||
|
val registered: Boolean,
|
||||||
|
val mcc: String,
|
||||||
|
val mnc: String,
|
||||||
|
val ci: Long,
|
||||||
|
val pci: Int,
|
||||||
|
val tac: Int,
|
||||||
|
val earfcn: Int,
|
||||||
|
val rsrp: Int?,
|
||||||
|
val rsrq: Int?,
|
||||||
|
val op: String
|
||||||
|
)
|
||||||
|
|
||||||
|
data class Alert(
|
||||||
|
val ts: Long,
|
||||||
|
val kind: String,
|
||||||
|
val detail: String
|
||||||
|
)
|
||||||
|
|
||||||
|
data class CellGuardState(
|
||||||
|
val serving: Tower?,
|
||||||
|
val neighbors: List<Tower>,
|
||||||
|
val plmn: String,
|
||||||
|
val operator: String,
|
||||||
|
val rat: String,
|
||||||
|
val frames: Long,
|
||||||
|
val blockEnabled: Boolean,
|
||||||
|
val detectEnabled: Boolean,
|
||||||
|
val ratLock: Boolean,
|
||||||
|
val suspect: List<String>,
|
||||||
|
val alerts: List<Alert>
|
||||||
|
)
|
||||||
95
app/src/main/java/com/seteclabs/cellguard/root/RootBridge.kt
Normal file
95
app/src/main/java/com/seteclabs/cellguard/root/RootBridge.kt
Normal file
@@ -0,0 +1,95 @@
|
|||||||
|
package com.seteclabs.cellguard.root
|
||||||
|
|
||||||
|
import com.topjohnwu.superuser.Shell
|
||||||
|
import org.json.JSONObject
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Root-side bridge to the CellGuard KSU module. All calls run through libsu's
|
||||||
|
* root shell (Shell.cmd(...).exec()). The kernel capture module exposes raw
|
||||||
|
* frames at /proc/cgcap/frames; the module control surface is cgctl.sh.
|
||||||
|
*/
|
||||||
|
object RootBridge {
|
||||||
|
|
||||||
|
private const val MODULE_DIR = "/data/adb/modules/cellguard"
|
||||||
|
private const val CGCTL = "$MODULE_DIR/cgctl.sh"
|
||||||
|
private const val KMOD = "$MODULE_DIR/common/kmod/cgcap.ko"
|
||||||
|
private const val FRAMES = "/proc/cgcap/frames"
|
||||||
|
|
||||||
|
/** Parsed view of `cgctl.sh status` mapped onto CellGuardState-relevant fields. */
|
||||||
|
data class Status(
|
||||||
|
val ok: Boolean,
|
||||||
|
val block: Boolean,
|
||||||
|
val detect: Boolean,
|
||||||
|
val ratLock: Boolean,
|
||||||
|
val rat: String,
|
||||||
|
val plmn: String,
|
||||||
|
val operator: String,
|
||||||
|
val frames: Long,
|
||||||
|
)
|
||||||
|
|
||||||
|
/** Run a root command and return its combined stdout as a single string. */
|
||||||
|
private fun sh(cmd: String): String =
|
||||||
|
Shell.cmd(cmd).exec().out.joinToString("\n")
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Insert the capture kernel module if it is not already loaded.
|
||||||
|
* Idempotent: checks lsmod for `cgcap` first.
|
||||||
|
*/
|
||||||
|
fun ensureCapture() {
|
||||||
|
val loaded = Shell.cmd("lsmod | grep -qw cgcap").exec().isSuccess
|
||||||
|
if (!loaded) {
|
||||||
|
Shell.cmd("insmod $KMOD").exec()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Read the raw capture frames buffer. */
|
||||||
|
fun readFrames(): String = sh("cat $FRAMES")
|
||||||
|
|
||||||
|
/** Raw JSON line from `cgctl.sh status`. */
|
||||||
|
fun ctlStatus(): String = sh("sh $CGCTL status")
|
||||||
|
|
||||||
|
/** Raw JSON line from `cgctl.sh alerts`. */
|
||||||
|
fun ctlAlerts(): String = sh("sh $CGCTL alerts")
|
||||||
|
|
||||||
|
/** Toggle the 2G/3G block enforcement (ratlock). */
|
||||||
|
fun setBlock(on: Boolean) {
|
||||||
|
sh("sh $CGCTL block ${if (on) "on" else "off"}")
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Toggle the IMSI-catcher detection daemon. */
|
||||||
|
fun setDetect(on: Boolean) {
|
||||||
|
sh("sh $CGCTL detect ${if (on) "on" else "off"}")
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Parse a `cgctl.sh status` JSON line into a [Status]. Tolerant of missing
|
||||||
|
* keys and of numeric fields emitted as strings (cgctl.sh quotes some).
|
||||||
|
*/
|
||||||
|
fun parseStatus(json: String): Status {
|
||||||
|
val obj = try {
|
||||||
|
JSONObject(json.trim())
|
||||||
|
} catch (e: Exception) {
|
||||||
|
JSONObject()
|
||||||
|
}
|
||||||
|
return Status(
|
||||||
|
ok = obj.optBoolean("ok", false),
|
||||||
|
block = obj.optBoolean("block", boolLike(obj, "block")),
|
||||||
|
detect = obj.optBoolean("detect", boolLike(obj, "detect")),
|
||||||
|
ratLock = obj.optBoolean("lock", boolLike(obj, "lock")),
|
||||||
|
rat = obj.optString("rat", ""),
|
||||||
|
plmn = obj.optString("plmn", ""),
|
||||||
|
operator = obj.optString("operator", ""),
|
||||||
|
frames = obj.optString("frames", "0").toLongOrNull() ?: 0L,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Interpret a field that may be 0/1, "0"/"1", true/false. */
|
||||||
|
private fun boolLike(obj: JSONObject, key: String): Boolean {
|
||||||
|
val i = obj.optInt(key, -1)
|
||||||
|
if (i >= 0) return i != 0
|
||||||
|
return when (obj.optString(key, "").trim().lowercase()) {
|
||||||
|
"1", "true", "on", "yes" -> true
|
||||||
|
else -> false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,359 @@
|
|||||||
|
package com.seteclabs.cellguard.service
|
||||||
|
|
||||||
|
import android.Manifest
|
||||||
|
import android.app.Notification
|
||||||
|
import android.app.NotificationChannel
|
||||||
|
import android.app.NotificationManager
|
||||||
|
import android.app.PendingIntent
|
||||||
|
import android.app.Service
|
||||||
|
import android.content.Context
|
||||||
|
import android.content.Intent
|
||||||
|
import android.content.pm.PackageManager
|
||||||
|
import android.content.pm.ServiceInfo
|
||||||
|
import android.os.Build
|
||||||
|
import android.os.IBinder
|
||||||
|
import androidx.core.app.NotificationCompat
|
||||||
|
import androidx.core.app.NotificationManagerCompat
|
||||||
|
import androidx.core.app.ServiceCompat
|
||||||
|
import androidx.core.content.ContextCompat
|
||||||
|
import com.seteclabs.cellguard.cells.CellSource
|
||||||
|
import com.seteclabs.cellguard.decode.FrameDecoder
|
||||||
|
import com.seteclabs.cellguard.model.Alert
|
||||||
|
import com.seteclabs.cellguard.model.CellGuardState
|
||||||
|
import com.seteclabs.cellguard.model.Tower
|
||||||
|
import com.seteclabs.cellguard.root.RootBridge
|
||||||
|
import kotlinx.coroutines.CoroutineScope
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.Job
|
||||||
|
import kotlinx.coroutines.cancel
|
||||||
|
import kotlinx.coroutines.SupervisorJob
|
||||||
|
import kotlinx.coroutines.delay
|
||||||
|
import kotlinx.coroutines.flow.MutableStateFlow
|
||||||
|
import kotlinx.coroutines.flow.StateFlow
|
||||||
|
import kotlinx.coroutines.flow.asStateFlow
|
||||||
|
import kotlinx.coroutines.isActive
|
||||||
|
import kotlinx.coroutines.launch
|
||||||
|
import org.json.JSONObject
|
||||||
|
import java.text.SimpleDateFormat
|
||||||
|
import java.util.Locale
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Foreground service: the CellGuard on-device monitor.
|
||||||
|
*
|
||||||
|
* On start it ensures the kernel capture module is loaded ([RootBridge.ensureCapture]),
|
||||||
|
* then polls every ~4s: it reads raw CP frames ([RootBridge.readFrames]) and the
|
||||||
|
* KSU module's `cgctl.sh status`/`alerts`, decodes serving/neighbor towers on-device
|
||||||
|
* via [FrameDecoder], assembles a [CellGuardState], and publishes it through the
|
||||||
|
* companion [state] flow. An ongoing notification on channel `cellguard` summarizes
|
||||||
|
* the serving RAT and suspect count; it switches to an alert style when the suspect
|
||||||
|
* list is non-empty.
|
||||||
|
*/
|
||||||
|
class DetectorService : Service() {
|
||||||
|
|
||||||
|
private val scope = CoroutineScope(Dispatchers.IO + SupervisorJob())
|
||||||
|
private var pollJob: Job? = null
|
||||||
|
|
||||||
|
override fun onBind(intent: Intent?): IBinder? = null
|
||||||
|
|
||||||
|
override fun onCreate() {
|
||||||
|
super.onCreate()
|
||||||
|
createChannel()
|
||||||
|
}
|
||||||
|
|
||||||
|
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
|
||||||
|
// Enter the foreground immediately with a baseline notification so the
|
||||||
|
// start-foreground deadline is met before any root I/O runs.
|
||||||
|
startForegroundState(state.value)
|
||||||
|
|
||||||
|
if (pollJob?.isActive != true) {
|
||||||
|
pollJob = scope.launch { pollLoop() }
|
||||||
|
}
|
||||||
|
return START_STICKY
|
||||||
|
}
|
||||||
|
|
||||||
|
override fun onDestroy() {
|
||||||
|
pollJob?.cancel()
|
||||||
|
scope.cancel()
|
||||||
|
super.onDestroy()
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- polling ----------------------------------------------------------
|
||||||
|
|
||||||
|
private suspend fun pollLoop() {
|
||||||
|
runCatching { RootBridge.ensureCapture() }
|
||||||
|
while (scope.isActive) {
|
||||||
|
val next = runCatching { buildState() }.getOrElse { state.value }
|
||||||
|
state.value = next
|
||||||
|
updateNotification(next)
|
||||||
|
handleAlert(next)
|
||||||
|
delay(POLL_MS)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun buildState(): CellGuardState {
|
||||||
|
val framesText = runCatching { RootBridge.readFrames() }.getOrDefault("")
|
||||||
|
val statusJson = runCatching { RootBridge.ctlStatus() }.getOrDefault("")
|
||||||
|
val alertsJson = runCatching { RootBridge.ctlAlerts() }.getOrDefault("")
|
||||||
|
|
||||||
|
val status = RootBridge.parseStatus(statusJson)
|
||||||
|
|
||||||
|
// Framework cell info (real CI/PCI/TAC/EARFCN + neighbors + signal when
|
||||||
|
// ACCESS_FINE_LOCATION is granted) is the primary tower source; also asks
|
||||||
|
// the modem for a fresh scan, which emits a 0x070F frame for the raw path.
|
||||||
|
CellSource.requestUpdate(this)
|
||||||
|
val fwTowers = CellSource.read(this)
|
||||||
|
val frameTowers = FrameDecoder.decodeFrames(framesText)
|
||||||
|
val towers = if (fwTowers.isNotEmpty()) fwTowers else frameTowers
|
||||||
|
val serving = towers.firstOrNull { it.registered } ?: towers.firstOrNull()
|
||||||
|
val neighbors = towers.filter { it !== serving && !it.registered }.distinct()
|
||||||
|
|
||||||
|
val servingPlmn = status.plmn.takeIf { it.isNotBlank() && it != "?" }
|
||||||
|
?: FrameDecoder.firstPlmn(framesText)
|
||||||
|
|
||||||
|
val suspect = buildSuspects(towers, servingPlmn, statusJson)
|
||||||
|
val alerts = parseAlerts(alertsJson)
|
||||||
|
|
||||||
|
val plmn = servingPlmn
|
||||||
|
?: serving?.let { it.mcc + it.mnc }?.takeIf { it.isNotBlank() }
|
||||||
|
?: ""
|
||||||
|
val operator = status.operator.takeIf { it.isNotBlank() && it != "?" }
|
||||||
|
?: serving?.op.orEmpty()
|
||||||
|
val rat = serving?.rat
|
||||||
|
?: status.rat.takeIf { it.isNotBlank() && it != "?" }
|
||||||
|
?: ""
|
||||||
|
|
||||||
|
return CellGuardState(
|
||||||
|
serving = serving,
|
||||||
|
neighbors = neighbors,
|
||||||
|
plmn = plmn,
|
||||||
|
operator = operator,
|
||||||
|
rat = rat,
|
||||||
|
frames = status.frames,
|
||||||
|
blockEnabled = status.block,
|
||||||
|
detectEnabled = status.detect,
|
||||||
|
ratLock = status.ratLock,
|
||||||
|
suspect = suspect,
|
||||||
|
alerts = alerts,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
/** On-device heuristics merged with the shell detector's `suspect` token. */
|
||||||
|
private fun buildSuspects(
|
||||||
|
towers: List<Tower>,
|
||||||
|
servingPlmn: String?,
|
||||||
|
statusJson: String,
|
||||||
|
): List<String> {
|
||||||
|
val out = LinkedHashSet<String>()
|
||||||
|
out.addAll(FrameDecoder.heuristics(towers, servingPlmn))
|
||||||
|
val shell = runCatching { JSONObject(statusJson.trim()).optString("suspect", "") }
|
||||||
|
.getOrDefault("")
|
||||||
|
shell.split(Regex("\\s+"))
|
||||||
|
.map { it.trim() }
|
||||||
|
.filter { it.isNotEmpty() && !it.equals("none", ignoreCase = true) }
|
||||||
|
.forEach { out.add(it) }
|
||||||
|
return out.toList()
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun parseAlerts(json: String): List<Alert> {
|
||||||
|
val obj = runCatching { JSONObject(json.trim()) }.getOrNull() ?: return emptyList()
|
||||||
|
val arr = obj.optJSONArray("lines") ?: return emptyList()
|
||||||
|
val out = ArrayList<Alert>(arr.length())
|
||||||
|
for (i in 0 until arr.length()) {
|
||||||
|
val line = arr.optString(i).takeIf { it.isNotBlank() } ?: continue
|
||||||
|
out.add(parseAlertLine(line))
|
||||||
|
}
|
||||||
|
return out
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Log line form: `[yyyy-MM-dd HH:mm:ss] KIND: detail` (from cgdetect.sh). */
|
||||||
|
private fun parseAlertLine(line: String): Alert {
|
||||||
|
var ts = System.currentTimeMillis()
|
||||||
|
var body = line
|
||||||
|
val close = line.indexOf(']')
|
||||||
|
if (line.startsWith("[") && close > 0) {
|
||||||
|
val stamp = line.substring(1, close)
|
||||||
|
runCatching { ALERT_FMT.parse(stamp)?.time }.getOrNull()?.let { ts = it }
|
||||||
|
body = line.substring(close + 1).trim()
|
||||||
|
}
|
||||||
|
val colon = body.indexOf(':')
|
||||||
|
val kind: String
|
||||||
|
val detail: String
|
||||||
|
if (colon > 0) {
|
||||||
|
kind = body.substring(0, colon).trim()
|
||||||
|
detail = body.substring(colon + 1).trim()
|
||||||
|
} else {
|
||||||
|
kind = "INFO"
|
||||||
|
detail = body
|
||||||
|
}
|
||||||
|
return Alert(ts = ts, kind = kind, detail = detail)
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- notification -----------------------------------------------------
|
||||||
|
|
||||||
|
private fun createChannel() {
|
||||||
|
val mgr = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
|
||||||
|
// Ongoing status: LOW importance -> silent, no heads-up, no per-poll spam.
|
||||||
|
if (mgr.getNotificationChannel(CHANNEL_ID) == null) {
|
||||||
|
mgr.createNotificationChannel(
|
||||||
|
NotificationChannel(CHANNEL_ID, "CellGuard status", NotificationManager.IMPORTANCE_LOW).apply {
|
||||||
|
description = "Ongoing serving-cell monitor (silent)"
|
||||||
|
setShowBadge(false)
|
||||||
|
},
|
||||||
|
)
|
||||||
|
}
|
||||||
|
// Real CSS alerts: HIGH, fired only when a NEW suspect appears (edge-triggered).
|
||||||
|
if (mgr.getNotificationChannel(ALERT_CHANNEL_ID) == null) {
|
||||||
|
mgr.createNotificationChannel(
|
||||||
|
NotificationChannel(ALERT_CHANNEL_ID, "CellGuard alerts", NotificationManager.IMPORTANCE_HIGH).apply {
|
||||||
|
description = "IMSI-catcher / downgrade alerts"
|
||||||
|
setShowBadge(true)
|
||||||
|
},
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun buildNotification(s: CellGuardState): Notification {
|
||||||
|
val alerting = s.suspect.isNotEmpty()
|
||||||
|
val rat = s.rat.ifBlank { "—" }
|
||||||
|
val plmn = s.plmn.ifBlank { "—" }
|
||||||
|
|
||||||
|
val title: String
|
||||||
|
val text: String
|
||||||
|
val icon: Int
|
||||||
|
if (alerting) {
|
||||||
|
title = "CellGuard: ${s.suspect.size} suspect signal(s)"
|
||||||
|
text = s.suspect.joinToString(" · ")
|
||||||
|
icon = android.R.drawable.stat_sys_warning
|
||||||
|
} else {
|
||||||
|
title = "CellGuard active — $rat"
|
||||||
|
text = "PLMN $plmn · ${s.neighbors.size} neighbors · ${s.frames} frames"
|
||||||
|
icon = android.R.drawable.stat_notify_sync
|
||||||
|
}
|
||||||
|
|
||||||
|
// The ongoing notification is ALWAYS silent/LOW — it updates every poll,
|
||||||
|
// so it must never sound or heads-up. Real alerts go to the separate HIGH
|
||||||
|
// channel via handleAlert() (edge-triggered), not this one.
|
||||||
|
val builder = NotificationCompat.Builder(this, CHANNEL_ID)
|
||||||
|
.setSmallIcon(icon)
|
||||||
|
.setContentTitle(title)
|
||||||
|
.setContentText(text)
|
||||||
|
.setStyle(NotificationCompat.BigTextStyle().bigText(text))
|
||||||
|
.setOngoing(true)
|
||||||
|
.setOnlyAlertOnce(true)
|
||||||
|
.setPriority(NotificationCompat.PRIORITY_LOW)
|
||||||
|
.setCategory(NotificationCompat.CATEGORY_STATUS)
|
||||||
|
|
||||||
|
contentIntent()?.let { builder.setContentIntent(it) }
|
||||||
|
return builder.build()
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun contentIntent(): PendingIntent? {
|
||||||
|
val launch = packageManager.getLaunchIntentForPackage(packageName) ?: return null
|
||||||
|
launch.setPackage(packageName)
|
||||||
|
return PendingIntent.getActivity(
|
||||||
|
this,
|
||||||
|
0,
|
||||||
|
launch,
|
||||||
|
PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun startForegroundState(s: CellGuardState) {
|
||||||
|
ServiceCompat.startForeground(
|
||||||
|
this,
|
||||||
|
NOTIF_ID,
|
||||||
|
buildNotification(s),
|
||||||
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
|
||||||
|
ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE
|
||||||
|
} else {
|
||||||
|
0
|
||||||
|
},
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun updateNotification(s: CellGuardState) {
|
||||||
|
if (!hasNotificationPermission()) return
|
||||||
|
NotificationManagerCompat.from(this).notify(NOTIF_ID, buildNotification(s))
|
||||||
|
}
|
||||||
|
|
||||||
|
private var lastAlertKey: String = ""
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Edge-triggered CSS alert. Fires a single HIGH notification only when the
|
||||||
|
* suspect set newly appears (or changes); does nothing while it's unchanged,
|
||||||
|
* and cancels the alert once the set clears. This is what prevents spam — the
|
||||||
|
* ongoing status notification is silent and this fires at most once per event.
|
||||||
|
*/
|
||||||
|
private fun handleAlert(s: CellGuardState) {
|
||||||
|
if (!hasNotificationPermission()) return
|
||||||
|
val mgr = NotificationManagerCompat.from(this)
|
||||||
|
if (s.suspect.isEmpty()) {
|
||||||
|
if (lastAlertKey.isNotEmpty()) { mgr.cancel(ALERT_NOTIF_ID); lastAlertKey = "" }
|
||||||
|
return
|
||||||
|
}
|
||||||
|
val key = s.suspect.sorted().joinToString(",")
|
||||||
|
if (key == lastAlertKey) return
|
||||||
|
lastAlertKey = key
|
||||||
|
val n = NotificationCompat.Builder(this, ALERT_CHANNEL_ID)
|
||||||
|
.setSmallIcon(android.R.drawable.stat_sys_warning)
|
||||||
|
.setContentTitle("⚠ CellGuard: ${s.suspect.size} suspect signal(s)")
|
||||||
|
.setContentText(s.suspect.joinToString(" · "))
|
||||||
|
.setStyle(NotificationCompat.BigTextStyle().bigText(s.suspect.joinToString("\n")))
|
||||||
|
.setPriority(NotificationCompat.PRIORITY_HIGH)
|
||||||
|
.setCategory(NotificationCompat.CATEGORY_ALARM)
|
||||||
|
.setColorized(true)
|
||||||
|
.setColor(0xFFB00020.toInt())
|
||||||
|
.setAutoCancel(true)
|
||||||
|
.also { b -> contentIntent()?.let { b.setContentIntent(it) } }
|
||||||
|
.build()
|
||||||
|
mgr.notify(ALERT_NOTIF_ID, n)
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun hasNotificationPermission(): Boolean =
|
||||||
|
Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU ||
|
||||||
|
ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) ==
|
||||||
|
PackageManager.PERMISSION_GRANTED
|
||||||
|
|
||||||
|
companion object {
|
||||||
|
const val CHANNEL_ID = "cellguard"
|
||||||
|
const val ALERT_CHANNEL_ID = "cellguard_alert"
|
||||||
|
private const val NOTIF_ID = 0x0C6D
|
||||||
|
private const val ALERT_NOTIF_ID = 0x0C6E
|
||||||
|
private const val POLL_MS = 4_000L
|
||||||
|
|
||||||
|
private val ALERT_FMT = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US)
|
||||||
|
|
||||||
|
private val EMPTY = CellGuardState(
|
||||||
|
serving = null,
|
||||||
|
neighbors = emptyList(),
|
||||||
|
plmn = "",
|
||||||
|
operator = "",
|
||||||
|
rat = "",
|
||||||
|
frames = 0L,
|
||||||
|
blockEnabled = false,
|
||||||
|
detectEnabled = false,
|
||||||
|
ratLock = false,
|
||||||
|
suspect = emptyList(),
|
||||||
|
alerts = emptyList(),
|
||||||
|
)
|
||||||
|
|
||||||
|
/** Latest published [CellGuardState]; UI collects this. */
|
||||||
|
val state: MutableStateFlow<CellGuardState> = MutableStateFlow(EMPTY)
|
||||||
|
|
||||||
|
/** Read-only view for collectors that should not mutate. */
|
||||||
|
fun states(): StateFlow<CellGuardState> = state.asStateFlow()
|
||||||
|
|
||||||
|
/** Start the monitor as a foreground service. */
|
||||||
|
fun start(context: Context) {
|
||||||
|
ContextCompat.startForegroundService(
|
||||||
|
context,
|
||||||
|
Intent(context, DetectorService::class.java),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Stop the monitor. */
|
||||||
|
fun stop(context: Context) {
|
||||||
|
context.stopService(Intent(context, DetectorService::class.java))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
582
app/src/main/java/com/seteclabs/cellguard/ui/MainScreen.kt
Normal file
582
app/src/main/java/com/seteclabs/cellguard/ui/MainScreen.kt
Normal file
@@ -0,0 +1,582 @@
|
|||||||
|
package com.seteclabs.cellguard.ui
|
||||||
|
|
||||||
|
import androidx.compose.animation.animateColorAsState
|
||||||
|
import androidx.compose.animation.core.RepeatMode
|
||||||
|
import androidx.compose.animation.core.animateFloat
|
||||||
|
import androidx.compose.animation.core.infiniteRepeatable
|
||||||
|
import androidx.compose.animation.core.rememberInfiniteTransition
|
||||||
|
import androidx.compose.animation.core.tween
|
||||||
|
import androidx.compose.foundation.background
|
||||||
|
import androidx.compose.foundation.border
|
||||||
|
import androidx.compose.foundation.layout.Arrangement
|
||||||
|
import androidx.compose.foundation.layout.Box
|
||||||
|
import androidx.compose.foundation.layout.Column
|
||||||
|
import androidx.compose.foundation.layout.PaddingValues
|
||||||
|
import androidx.compose.foundation.layout.Row
|
||||||
|
import androidx.compose.foundation.layout.Spacer
|
||||||
|
import androidx.compose.foundation.layout.fillMaxWidth
|
||||||
|
import androidx.compose.foundation.layout.height
|
||||||
|
import androidx.compose.foundation.layout.padding
|
||||||
|
import androidx.compose.foundation.layout.size
|
||||||
|
import androidx.compose.foundation.layout.width
|
||||||
|
import androidx.compose.foundation.lazy.LazyColumn
|
||||||
|
import androidx.compose.foundation.lazy.items
|
||||||
|
import androidx.compose.foundation.shape.CircleShape
|
||||||
|
import androidx.compose.foundation.shape.RoundedCornerShape
|
||||||
|
import androidx.compose.material3.Card
|
||||||
|
import androidx.compose.material3.CardDefaults
|
||||||
|
import androidx.compose.material3.HorizontalDivider
|
||||||
|
import androidx.compose.material3.MaterialTheme
|
||||||
|
import androidx.compose.material3.Scaffold
|
||||||
|
import androidx.compose.material3.Switch
|
||||||
|
import androidx.compose.material3.SwitchDefaults
|
||||||
|
import androidx.compose.material3.Text
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.runtime.collectAsState
|
||||||
|
import androidx.compose.runtime.getValue
|
||||||
|
import androidx.compose.ui.Alignment
|
||||||
|
import androidx.compose.ui.Modifier
|
||||||
|
import androidx.compose.ui.draw.alpha
|
||||||
|
import androidx.compose.ui.draw.clip
|
||||||
|
import androidx.compose.ui.graphics.Color
|
||||||
|
import androidx.compose.ui.text.font.FontFamily
|
||||||
|
import androidx.compose.ui.text.font.FontWeight
|
||||||
|
import androidx.compose.ui.text.style.TextOverflow
|
||||||
|
import androidx.compose.ui.unit.dp
|
||||||
|
import androidx.compose.ui.unit.sp
|
||||||
|
import com.seteclabs.cellguard.CellGuardViewModel
|
||||||
|
import com.seteclabs.cellguard.model.Alert
|
||||||
|
import com.seteclabs.cellguard.model.CellGuardState
|
||||||
|
import com.seteclabs.cellguard.model.Tower
|
||||||
|
import java.text.SimpleDateFormat
|
||||||
|
import java.util.Date
|
||||||
|
import java.util.Locale
|
||||||
|
|
||||||
|
// ---- header status derivation ----------------------------------------------
|
||||||
|
|
||||||
|
private enum class HeaderState(val label: String, val color: Color) {
|
||||||
|
ALERT("ALERT", CgRed),
|
||||||
|
ARMED("ARMED", CgGreen),
|
||||||
|
OFF("OFF", CgGray),
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun headerStateOf(s: CellGuardState): HeaderState = when {
|
||||||
|
s.alerts.isNotEmpty() || s.suspect.isNotEmpty() -> HeaderState.ALERT
|
||||||
|
s.blockEnabled || s.detectEnabled -> HeaderState.ARMED
|
||||||
|
else -> HeaderState.OFF
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun ratColor(rat: String): Color = when (rat.uppercase()) {
|
||||||
|
"LTE" -> CgGreen
|
||||||
|
"NR", "5G" -> CgCyan
|
||||||
|
"WCDMA", "TDSCDMA", "UMTS" -> CgAmber
|
||||||
|
"GSM", "CDMA", "2G" -> CgRed
|
||||||
|
else -> CgGray
|
||||||
|
}
|
||||||
|
|
||||||
|
// Unknown/unavailable numeric fields come through as -1; show a dash instead.
|
||||||
|
private fun dash(v: Long?): String = if (v != null && v >= 0) v.toString() else "—"
|
||||||
|
private fun dash(v: Int?): String = if (v != null && v >= 0) v.toString() else "—"
|
||||||
|
|
||||||
|
/** Best label for a tower row: carrier name, else PLMN, else CI, else dash. */
|
||||||
|
private fun towerLabel(t: Tower): String = t.op.ifBlank {
|
||||||
|
(t.mcc + t.mnc).ifBlank { if (t.ci >= 0) t.ci.toString() else "—" }
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- top-level screen -------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
fun MainScreen(vm: CellGuardViewModel) {
|
||||||
|
val state by vm.state.collectAsState()
|
||||||
|
|
||||||
|
Scaffold(containerColor = MaterialTheme.colorScheme.background) { inner ->
|
||||||
|
LazyColumn(
|
||||||
|
modifier = Modifier
|
||||||
|
.fillMaxWidth()
|
||||||
|
.padding(inner),
|
||||||
|
contentPadding = PaddingValues(16.dp),
|
||||||
|
verticalArrangement = Arrangement.spacedBy(14.dp),
|
||||||
|
) {
|
||||||
|
item { HeaderBar(state) }
|
||||||
|
item {
|
||||||
|
ToggleRow(
|
||||||
|
title = "Block 2G/3G",
|
||||||
|
subtitle = "Force LTE/5G, refuse legacy downgrade",
|
||||||
|
checked = state.blockEnabled,
|
||||||
|
onCheckedChange = vm::setBlock,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
item {
|
||||||
|
ToggleRow(
|
||||||
|
title = "IMSI-catcher detection",
|
||||||
|
subtitle = "Scan baseband frames for CSS signatures",
|
||||||
|
checked = state.detectEnabled,
|
||||||
|
onCheckedChange = vm::setDetect,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
item { ServingCard(state) }
|
||||||
|
item { NeighborTable(state.neighbors) }
|
||||||
|
item {
|
||||||
|
SectionLabel("ALERTS", count = state.alerts.size)
|
||||||
|
}
|
||||||
|
if (state.alerts.isEmpty()) {
|
||||||
|
item { EmptyHint("No alerts. Baseband looks clean.") }
|
||||||
|
} else {
|
||||||
|
items(state.alerts) { AlertRow(it) }
|
||||||
|
}
|
||||||
|
item { Spacer(Modifier.height(8.dp)) }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- header -----------------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun HeaderBar(state: CellGuardState) {
|
||||||
|
val hs = headerStateOf(state)
|
||||||
|
|
||||||
|
// Pulse the dot only while alerting.
|
||||||
|
val pulse = rememberInfiniteTransition(label = "pulse")
|
||||||
|
val pulseAlpha by pulse.animateFloat(
|
||||||
|
initialValue = 0.35f,
|
||||||
|
targetValue = 1f,
|
||||||
|
animationSpec = infiniteRepeatable(
|
||||||
|
animation = tween(650),
|
||||||
|
repeatMode = RepeatMode.Reverse,
|
||||||
|
),
|
||||||
|
label = "pulseAlpha",
|
||||||
|
)
|
||||||
|
val dotAlpha = if (hs == HeaderState.ALERT) pulseAlpha else 1f
|
||||||
|
val color by animateColorAsState(hs.color, label = "hdrColor")
|
||||||
|
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier.fillMaxWidth(),
|
||||||
|
) {
|
||||||
|
Column(Modifier.weight(1f)) {
|
||||||
|
Text(
|
||||||
|
"CELLGUARD",
|
||||||
|
color = MaterialTheme.colorScheme.onBackground,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 20.sp,
|
||||||
|
)
|
||||||
|
Text(
|
||||||
|
"baseband monitor",
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier
|
||||||
|
.clip(RoundedCornerShape(999.dp))
|
||||||
|
.background(color.copy(alpha = 0.12f))
|
||||||
|
.border(1.dp, color.copy(alpha = 0.5f), RoundedCornerShape(999.dp))
|
||||||
|
.padding(horizontal = 12.dp, vertical = 7.dp),
|
||||||
|
) {
|
||||||
|
Box(
|
||||||
|
Modifier
|
||||||
|
.size(9.dp)
|
||||||
|
.alpha(dotAlpha)
|
||||||
|
.clip(CircleShape)
|
||||||
|
.background(color),
|
||||||
|
)
|
||||||
|
Spacer(Modifier.width(8.dp))
|
||||||
|
Text(
|
||||||
|
hs.label,
|
||||||
|
color = color,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 13.sp,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- toggles ----------------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun ToggleRow(
|
||||||
|
title: String,
|
||||||
|
subtitle: String,
|
||||||
|
checked: Boolean,
|
||||||
|
onCheckedChange: (Boolean) -> Unit,
|
||||||
|
) {
|
||||||
|
Card(
|
||||||
|
colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
|
||||||
|
shape = RoundedCornerShape(16.dp),
|
||||||
|
modifier = Modifier.fillMaxWidth(),
|
||||||
|
) {
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier
|
||||||
|
.fillMaxWidth()
|
||||||
|
.padding(horizontal = 16.dp, vertical = 14.dp),
|
||||||
|
) {
|
||||||
|
Column(Modifier.weight(1f)) {
|
||||||
|
Text(
|
||||||
|
title,
|
||||||
|
color = MaterialTheme.colorScheme.onSurface,
|
||||||
|
style = MaterialTheme.typography.titleMedium,
|
||||||
|
)
|
||||||
|
Text(
|
||||||
|
subtitle,
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
Switch(
|
||||||
|
checked = checked,
|
||||||
|
onCheckedChange = onCheckedChange,
|
||||||
|
colors = SwitchDefaults.colors(
|
||||||
|
checkedThumbColor = MaterialTheme.colorScheme.onPrimary,
|
||||||
|
checkedTrackColor = MaterialTheme.colorScheme.primary,
|
||||||
|
uncheckedThumbColor = CgOnSurfaceMuted,
|
||||||
|
uncheckedTrackColor = CgSurfaceHi,
|
||||||
|
uncheckedBorderColor = CgOutline,
|
||||||
|
),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- serving cell -----------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun ServingCard(state: CellGuardState) {
|
||||||
|
val serving = state.serving
|
||||||
|
val rat = serving?.rat?.takeIf { it.isNotBlank() } ?: state.rat.ifBlank { "—" }
|
||||||
|
val operator = serving?.op?.takeIf { it.isNotBlank() }
|
||||||
|
?: state.operator.ifBlank { "Unknown operator" }
|
||||||
|
val plmn = state.plmn.ifBlank {
|
||||||
|
serving?.let { "${it.mcc}${it.mnc}".takeIf { s -> s.isNotBlank() } } ?: "—"
|
||||||
|
}
|
||||||
|
|
||||||
|
Card(
|
||||||
|
colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
|
||||||
|
shape = RoundedCornerShape(16.dp),
|
||||||
|
modifier = Modifier.fillMaxWidth(),
|
||||||
|
) {
|
||||||
|
Column(Modifier.padding(16.dp)) {
|
||||||
|
Row(verticalAlignment = Alignment.CenterVertically) {
|
||||||
|
RatBadge(rat)
|
||||||
|
Spacer(Modifier.width(12.dp))
|
||||||
|
Column(Modifier.weight(1f)) {
|
||||||
|
Text(
|
||||||
|
operator,
|
||||||
|
color = MaterialTheme.colorScheme.onSurface,
|
||||||
|
style = MaterialTheme.typography.titleMedium,
|
||||||
|
maxLines = 1,
|
||||||
|
overflow = TextOverflow.Ellipsis,
|
||||||
|
)
|
||||||
|
Text(
|
||||||
|
"PLMN $plmn",
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
Text(
|
||||||
|
"SERVING",
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
Spacer(Modifier.height(14.dp))
|
||||||
|
HorizontalDivider(color = MaterialTheme.colorScheme.outline)
|
||||||
|
Spacer(Modifier.height(14.dp))
|
||||||
|
|
||||||
|
Row(Modifier.fillMaxWidth()) {
|
||||||
|
Metric("CI", dash(serving?.ci), Modifier.weight(1f))
|
||||||
|
Metric("PCI", dash(serving?.pci), Modifier.weight(1f))
|
||||||
|
}
|
||||||
|
Spacer(Modifier.height(12.dp))
|
||||||
|
Row(Modifier.fillMaxWidth()) {
|
||||||
|
Metric("TAC", dash(serving?.tac), Modifier.weight(1f))
|
||||||
|
Metric("EARFCN", dash(serving?.earfcn), Modifier.weight(1f))
|
||||||
|
}
|
||||||
|
if (serving?.rsrp != null || serving?.rsrq != null) {
|
||||||
|
Spacer(Modifier.height(12.dp))
|
||||||
|
Row(Modifier.fillMaxWidth()) {
|
||||||
|
Metric(
|
||||||
|
"RSRP",
|
||||||
|
serving?.rsrp?.let { "$it dBm" } ?: "—",
|
||||||
|
Modifier.weight(1f),
|
||||||
|
)
|
||||||
|
Metric(
|
||||||
|
"RSRQ",
|
||||||
|
serving?.rsrq?.let { "$it dB" } ?: "—",
|
||||||
|
Modifier.weight(1f),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun Metric(label: String, value: String, modifier: Modifier = Modifier) {
|
||||||
|
Column(modifier) {
|
||||||
|
Text(
|
||||||
|
label,
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
)
|
||||||
|
Spacer(Modifier.height(2.dp))
|
||||||
|
Text(
|
||||||
|
value,
|
||||||
|
color = MaterialTheme.colorScheme.onSurface,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Medium,
|
||||||
|
fontSize = 16.sp,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun RatBadge(rat: String) {
|
||||||
|
val c = ratColor(rat)
|
||||||
|
Box(
|
||||||
|
contentAlignment = Alignment.Center,
|
||||||
|
modifier = Modifier
|
||||||
|
.clip(RoundedCornerShape(10.dp))
|
||||||
|
.background(c.copy(alpha = 0.14f))
|
||||||
|
.border(1.dp, c.copy(alpha = 0.55f), RoundedCornerShape(10.dp))
|
||||||
|
.padding(horizontal = 12.dp, vertical = 8.dp),
|
||||||
|
) {
|
||||||
|
Text(
|
||||||
|
rat.uppercase(),
|
||||||
|
color = c,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 15.sp,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- neighbor table ---------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun NeighborTable(neighbors: List<Tower>) {
|
||||||
|
Card(
|
||||||
|
colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
|
||||||
|
shape = RoundedCornerShape(16.dp),
|
||||||
|
modifier = Modifier.fillMaxWidth(),
|
||||||
|
) {
|
||||||
|
Column(Modifier.padding(vertical = 4.dp)) {
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp),
|
||||||
|
) {
|
||||||
|
Text(
|
||||||
|
"NEIGHBOR TOWERS",
|
||||||
|
color = MaterialTheme.colorScheme.onSurface,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
)
|
||||||
|
Spacer(Modifier.weight(1f))
|
||||||
|
Text(
|
||||||
|
neighbors.size.toString(),
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
HorizontalDivider(color = MaterialTheme.colorScheme.outline)
|
||||||
|
|
||||||
|
NeighborHeaderRow()
|
||||||
|
HorizontalDivider(color = MaterialTheme.colorScheme.outline.copy(alpha = 0.5f))
|
||||||
|
|
||||||
|
if (neighbors.isEmpty()) {
|
||||||
|
EmptyHint("No neighbors reported.")
|
||||||
|
} else {
|
||||||
|
neighbors.forEachIndexed { i, t ->
|
||||||
|
NeighborDataRow(t)
|
||||||
|
if (i < neighbors.lastIndex) {
|
||||||
|
HorizontalDivider(
|
||||||
|
color = MaterialTheme.colorScheme.outline.copy(alpha = 0.25f),
|
||||||
|
modifier = Modifier.padding(horizontal = 12.dp),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Column weights shared between header + data rows so they line up.
|
||||||
|
private const val W_ID = 2.2f
|
||||||
|
private const val W_RAT = 1.5f
|
||||||
|
private const val W_PCI = 1.1f
|
||||||
|
private const val W_TAC = 1.3f
|
||||||
|
private const val W_EARFCN = 1.5f
|
||||||
|
private const val W_RSRP = 1.3f
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun NeighborHeaderRow() {
|
||||||
|
Row(
|
||||||
|
modifier = Modifier
|
||||||
|
.fillMaxWidth()
|
||||||
|
.padding(horizontal = 12.dp, vertical = 8.dp),
|
||||||
|
) {
|
||||||
|
Th("ID", W_ID)
|
||||||
|
Th("RAT", W_RAT)
|
||||||
|
Th("PCI", W_PCI)
|
||||||
|
Th("TAC", W_TAC)
|
||||||
|
Th("EARFCN", W_EARFCN)
|
||||||
|
Th("RSRP", W_RSRP)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun NeighborDataRow(t: Tower) {
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier
|
||||||
|
.fillMaxWidth()
|
||||||
|
.padding(horizontal = 12.dp, vertical = 10.dp),
|
||||||
|
) {
|
||||||
|
Td(towerLabel(t), W_ID, MaterialTheme.colorScheme.onSurface)
|
||||||
|
Box(Modifier.weight(W_RAT)) {
|
||||||
|
Text(
|
||||||
|
t.rat.uppercase().ifBlank { "—" },
|
||||||
|
color = ratColor(t.rat),
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 12.sp,
|
||||||
|
maxLines = 1,
|
||||||
|
overflow = TextOverflow.Ellipsis,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
Td(dash(t.pci), W_PCI, MaterialTheme.colorScheme.onSurfaceVariant)
|
||||||
|
Td(dash(t.tac), W_TAC, MaterialTheme.colorScheme.onSurfaceVariant)
|
||||||
|
Td(dash(t.earfcn), W_EARFCN, MaterialTheme.colorScheme.onSurfaceVariant)
|
||||||
|
Td(t.rsrp?.toString() ?: "—", W_RSRP, MaterialTheme.colorScheme.onSurfaceVariant)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun androidx.compose.foundation.layout.RowScope.Th(text: String, weight: Float) {
|
||||||
|
Text(
|
||||||
|
text,
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
maxLines = 1,
|
||||||
|
overflow = TextOverflow.Ellipsis,
|
||||||
|
modifier = Modifier.weight(weight),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun androidx.compose.foundation.layout.RowScope.Td(text: String, weight: Float, color: Color) {
|
||||||
|
Text(
|
||||||
|
text,
|
||||||
|
color = color,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontSize = 13.sp,
|
||||||
|
maxLines = 1,
|
||||||
|
overflow = TextOverflow.Ellipsis,
|
||||||
|
modifier = Modifier.weight(weight),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- alerts -----------------------------------------------------------------
|
||||||
|
|
||||||
|
private val ALERT_TIME_FMT = SimpleDateFormat("HH:mm:ss", Locale.US)
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun AlertRow(a: Alert) {
|
||||||
|
Card(
|
||||||
|
colors = CardDefaults.cardColors(
|
||||||
|
containerColor = CgRed.copy(alpha = 0.10f),
|
||||||
|
),
|
||||||
|
shape = RoundedCornerShape(14.dp),
|
||||||
|
modifier = Modifier.fillMaxWidth(),
|
||||||
|
) {
|
||||||
|
Row(
|
||||||
|
modifier = Modifier
|
||||||
|
.fillMaxWidth()
|
||||||
|
.border(1.dp, CgRed.copy(alpha = 0.35f), RoundedCornerShape(14.dp))
|
||||||
|
.padding(14.dp),
|
||||||
|
) {
|
||||||
|
Box(
|
||||||
|
Modifier
|
||||||
|
.padding(top = 5.dp)
|
||||||
|
.size(8.dp)
|
||||||
|
.clip(CircleShape)
|
||||||
|
.background(CgRed),
|
||||||
|
)
|
||||||
|
Spacer(Modifier.width(12.dp))
|
||||||
|
Column(Modifier.weight(1f)) {
|
||||||
|
Row(verticalAlignment = Alignment.CenterVertically) {
|
||||||
|
Text(
|
||||||
|
a.kind.uppercase().ifBlank { "ALERT" },
|
||||||
|
color = CgRed,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 12.sp,
|
||||||
|
)
|
||||||
|
Spacer(Modifier.weight(1f))
|
||||||
|
Text(
|
||||||
|
if (a.ts > 0) ALERT_TIME_FMT.format(Date(a.ts)) else "",
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
if (a.detail.isNotBlank()) {
|
||||||
|
Spacer(Modifier.height(3.dp))
|
||||||
|
Text(
|
||||||
|
a.detail,
|
||||||
|
color = MaterialTheme.colorScheme.onSurface,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ---- shared bits ------------------------------------------------------------
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun SectionLabel(text: String, count: Int) {
|
||||||
|
Row(
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
modifier = Modifier.padding(top = 4.dp, start = 4.dp, end = 4.dp),
|
||||||
|
) {
|
||||||
|
Text(
|
||||||
|
text,
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.labelSmall,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
)
|
||||||
|
Spacer(Modifier.width(8.dp))
|
||||||
|
if (count > 0) {
|
||||||
|
Box(
|
||||||
|
contentAlignment = Alignment.Center,
|
||||||
|
modifier = Modifier
|
||||||
|
.clip(RoundedCornerShape(999.dp))
|
||||||
|
.background(CgRed.copy(alpha = 0.18f))
|
||||||
|
.padding(horizontal = 8.dp, vertical = 2.dp),
|
||||||
|
) {
|
||||||
|
Text(
|
||||||
|
count.toString(),
|
||||||
|
color = CgRed,
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 11.sp,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun EmptyHint(text: String) {
|
||||||
|
Text(
|
||||||
|
text,
|
||||||
|
color = MaterialTheme.colorScheme.onSurfaceVariant,
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
modifier = Modifier.padding(horizontal = 16.dp, vertical = 14.dp),
|
||||||
|
)
|
||||||
|
}
|
||||||
85
app/src/main/java/com/seteclabs/cellguard/ui/Theme.kt
Normal file
85
app/src/main/java/com/seteclabs/cellguard/ui/Theme.kt
Normal file
@@ -0,0 +1,85 @@
|
|||||||
|
package com.seteclabs.cellguard.ui
|
||||||
|
|
||||||
|
import androidx.compose.foundation.isSystemInDarkTheme
|
||||||
|
import androidx.compose.material3.MaterialTheme
|
||||||
|
import androidx.compose.material3.Typography
|
||||||
|
import androidx.compose.material3.darkColorScheme
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.ui.graphics.Color
|
||||||
|
import androidx.compose.ui.text.TextStyle
|
||||||
|
import androidx.compose.ui.text.font.FontFamily
|
||||||
|
import androidx.compose.ui.text.font.FontWeight
|
||||||
|
import androidx.compose.ui.unit.sp
|
||||||
|
|
||||||
|
// ---- CellGuard palette (dark-only, tuned for a monitoring/console feel) ----
|
||||||
|
|
||||||
|
val CgBackground = Color(0xFF0B0F14)
|
||||||
|
val CgSurface = Color(0xFF121A22)
|
||||||
|
val CgSurfaceHi = Color(0xFF18222C)
|
||||||
|
val CgOutline = Color(0xFF243140)
|
||||||
|
val CgOnBackground = Color(0xFFE6EDF3)
|
||||||
|
val CgOnSurfaceMuted = Color(0xFF8B99A6)
|
||||||
|
|
||||||
|
val CgGreen = Color(0xFF3FE08A) // armed / safe RAT
|
||||||
|
val CgCyan = Color(0xFF3FC6E0) // NR
|
||||||
|
val CgAmber = Color(0xFFE0B23F) // weak RAT (WCDMA/TDSCDMA)
|
||||||
|
val CgRed = Color(0xFFF0656A) // alert / 2G / suspect
|
||||||
|
val CgGray = Color(0xFF5A6773) // off
|
||||||
|
|
||||||
|
private val CgColorScheme = darkColorScheme(
|
||||||
|
primary = CgGreen,
|
||||||
|
onPrimary = Color(0xFF06130B),
|
||||||
|
secondary = CgCyan,
|
||||||
|
onSecondary = Color(0xFF04141A),
|
||||||
|
background = CgBackground,
|
||||||
|
onBackground = CgOnBackground,
|
||||||
|
surface = CgSurface,
|
||||||
|
onSurface = CgOnBackground,
|
||||||
|
surfaceVariant = CgSurfaceHi,
|
||||||
|
onSurfaceVariant = CgOnSurfaceMuted,
|
||||||
|
outline = CgOutline,
|
||||||
|
error = CgRed,
|
||||||
|
onError = Color(0xFF1A0405),
|
||||||
|
)
|
||||||
|
|
||||||
|
private val CgTypography = Typography(
|
||||||
|
titleLarge = TextStyle(
|
||||||
|
fontFamily = FontFamily.Default,
|
||||||
|
fontWeight = FontWeight.SemiBold,
|
||||||
|
fontSize = 22.sp,
|
||||||
|
letterSpacing = 0.2.sp,
|
||||||
|
),
|
||||||
|
titleMedium = TextStyle(
|
||||||
|
fontFamily = FontFamily.Default,
|
||||||
|
fontWeight = FontWeight.SemiBold,
|
||||||
|
fontSize = 16.sp,
|
||||||
|
),
|
||||||
|
labelSmall = TextStyle(
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Medium,
|
||||||
|
fontSize = 11.sp,
|
||||||
|
letterSpacing = 0.6.sp,
|
||||||
|
),
|
||||||
|
bodyMedium = TextStyle(
|
||||||
|
fontFamily = FontFamily.Default,
|
||||||
|
fontWeight = FontWeight.Normal,
|
||||||
|
fontSize = 14.sp,
|
||||||
|
),
|
||||||
|
bodySmall = TextStyle(
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontWeight = FontWeight.Normal,
|
||||||
|
fontSize = 12.sp,
|
||||||
|
),
|
||||||
|
)
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
fun CellGuardTheme(content: @Composable () -> Unit) {
|
||||||
|
// The console is dark-only by design; ignore the system light/dark setting.
|
||||||
|
@Suppress("UNUSED_EXPRESSION")
|
||||||
|
isSystemInDarkTheme()
|
||||||
|
MaterialTheme(
|
||||||
|
colorScheme = CgColorScheme,
|
||||||
|
typography = CgTypography,
|
||||||
|
content = content,
|
||||||
|
)
|
||||||
|
}
|
||||||
10
app/src/main/res/values/strings.xml
Normal file
10
app/src/main/res/values/strings.xml
Normal file
@@ -0,0 +1,10 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<resources>
|
||||||
|
<string name="app_name">CellGuard</string>
|
||||||
|
|
||||||
|
<string name="notif_channel_id">cellguard_detector</string>
|
||||||
|
<string name="notif_channel_name">Detector Service</string>
|
||||||
|
<string name="notif_channel_desc">Ongoing baseband capture and IMSI-catcher detection.</string>
|
||||||
|
<string name="notif_title">CellGuard active</string>
|
||||||
|
<string name="notif_text">Monitoring baseband frames.</string>
|
||||||
|
</resources>
|
||||||
10
app/src/main/res/values/themes.xml
Normal file
10
app/src/main/res/values/themes.xml
Normal file
@@ -0,0 +1,10 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<resources>
|
||||||
|
<!-- Compose supplies its own Material3 styling; the platform theme only
|
||||||
|
needs to enable edge-to-edge with no action bar. -->
|
||||||
|
<style name="Theme.CellGuard" parent="android:Theme.Material.NoActionBar">
|
||||||
|
<item name="android:statusBarColor">@android:color/transparent</item>
|
||||||
|
<item name="android:navigationBarColor">@android:color/transparent</item>
|
||||||
|
<item name="android:windowBackground">@android:color/black</item>
|
||||||
|
</style>
|
||||||
|
</resources>
|
||||||
4
build.gradle.kts
Normal file
4
build.gradle.kts
Normal file
@@ -0,0 +1,4 @@
|
|||||||
|
plugins {
|
||||||
|
id("com.android.application") version "8.5.2" apply false
|
||||||
|
id("org.jetbrains.kotlin.android") version "1.9.23" apply false
|
||||||
|
}
|
||||||
9
gradle.properties
Normal file
9
gradle.properties
Normal file
@@ -0,0 +1,9 @@
|
|||||||
|
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
|
||||||
|
org.gradle.caching=true
|
||||||
|
org.gradle.parallel=true
|
||||||
|
android.useAndroidX=true
|
||||||
|
android.nonTransitiveRClass=true
|
||||||
|
kotlin.code.style=official
|
||||||
|
# AGP 8.5.2 was validated up to compileSdk 34; silence the (non-fatal) warning
|
||||||
|
# for the API 35 compileSdk this project targets.
|
||||||
|
android.suppressUnsupportedCompileSdk=35
|
||||||
BIN
gradle/wrapper/gradle-wrapper.jar
vendored
Normal file
BIN
gradle/wrapper/gradle-wrapper.jar
vendored
Normal file
Binary file not shown.
7
gradle/wrapper/gradle-wrapper.properties
vendored
Normal file
7
gradle/wrapper/gradle-wrapper.properties
vendored
Normal file
@@ -0,0 +1,7 @@
|
|||||||
|
distributionBase=GRADLE_USER_HOME
|
||||||
|
distributionPath=wrapper/dists
|
||||||
|
distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
|
||||||
|
networkTimeout=10000
|
||||||
|
validateDistributionUrl=true
|
||||||
|
zipStoreBase=GRADLE_USER_HOME
|
||||||
|
zipStorePath=wrapper/dists
|
||||||
252
gradlew
vendored
Executable file
252
gradlew
vendored
Executable file
@@ -0,0 +1,252 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright © 2015-2021 the original authors.
|
||||||
|
#
|
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
# you may not use this file except in compliance with the License.
|
||||||
|
# You may obtain a copy of the License at
|
||||||
|
#
|
||||||
|
# https://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
#
|
||||||
|
# Unless required by applicable law or agreed to in writing, software
|
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
# See the License for the specific language governing permissions and
|
||||||
|
# limitations under the License.
|
||||||
|
#
|
||||||
|
# SPDX-License-Identifier: Apache-2.0
|
||||||
|
#
|
||||||
|
|
||||||
|
##############################################################################
|
||||||
|
#
|
||||||
|
# Gradle start up script for POSIX generated by Gradle.
|
||||||
|
#
|
||||||
|
# Important for running:
|
||||||
|
#
|
||||||
|
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
|
||||||
|
# noncompliant, but you have some other compliant shell such as ksh or
|
||||||
|
# bash, then to run this script, type that shell name before the whole
|
||||||
|
# command line, like:
|
||||||
|
#
|
||||||
|
# ksh Gradle
|
||||||
|
#
|
||||||
|
# Busybox and similar reduced shells will NOT work, because this script
|
||||||
|
# requires all of these POSIX shell features:
|
||||||
|
# * functions;
|
||||||
|
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
|
||||||
|
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
|
||||||
|
# * compound commands having a testable exit status, especially «case»;
|
||||||
|
# * various built-in commands including «command», «set», and «ulimit».
|
||||||
|
#
|
||||||
|
# Important for patching:
|
||||||
|
#
|
||||||
|
# (2) This script targets any POSIX shell, so it avoids extensions provided
|
||||||
|
# by Bash, Ksh, etc; in particular arrays are avoided.
|
||||||
|
#
|
||||||
|
# The "traditional" practice of packing multiple parameters into a
|
||||||
|
# space-separated string is a well documented source of bugs and security
|
||||||
|
# problems, so this is (mostly) avoided, by progressively accumulating
|
||||||
|
# options in "$@", and eventually passing that to Java.
|
||||||
|
#
|
||||||
|
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
|
||||||
|
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
|
||||||
|
# see the in-line comments for details.
|
||||||
|
#
|
||||||
|
# There are tweaks for specific operating systems such as AIX, CygWin,
|
||||||
|
# Darwin, MinGW, and NonStop.
|
||||||
|
#
|
||||||
|
# (3) This script is generated from the Groovy template
|
||||||
|
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
|
||||||
|
# within the Gradle project.
|
||||||
|
#
|
||||||
|
# You can find Gradle at https://github.com/gradle/gradle/.
|
||||||
|
#
|
||||||
|
##############################################################################
|
||||||
|
|
||||||
|
# Attempt to set APP_HOME
|
||||||
|
|
||||||
|
# Resolve links: $0 may be a link
|
||||||
|
app_path=$0
|
||||||
|
|
||||||
|
# Need this for daisy-chained symlinks.
|
||||||
|
while
|
||||||
|
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
|
||||||
|
[ -h "$app_path" ]
|
||||||
|
do
|
||||||
|
ls=$( ls -ld "$app_path" )
|
||||||
|
link=${ls#*' -> '}
|
||||||
|
case $link in #(
|
||||||
|
/*) app_path=$link ;; #(
|
||||||
|
*) app_path=$APP_HOME$link ;;
|
||||||
|
esac
|
||||||
|
done
|
||||||
|
|
||||||
|
# This is normally unused
|
||||||
|
# shellcheck disable=SC2034
|
||||||
|
APP_BASE_NAME=${0##*/}
|
||||||
|
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
|
||||||
|
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
|
||||||
|
' "$PWD" ) || exit
|
||||||
|
|
||||||
|
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
||||||
|
MAX_FD=maximum
|
||||||
|
|
||||||
|
warn () {
|
||||||
|
echo "$*"
|
||||||
|
} >&2
|
||||||
|
|
||||||
|
die () {
|
||||||
|
echo
|
||||||
|
echo "$*"
|
||||||
|
echo
|
||||||
|
exit 1
|
||||||
|
} >&2
|
||||||
|
|
||||||
|
# OS specific support (must be 'true' or 'false').
|
||||||
|
cygwin=false
|
||||||
|
msys=false
|
||||||
|
darwin=false
|
||||||
|
nonstop=false
|
||||||
|
case "$( uname )" in #(
|
||||||
|
CYGWIN* ) cygwin=true ;; #(
|
||||||
|
Darwin* ) darwin=true ;; #(
|
||||||
|
MSYS* | MINGW* ) msys=true ;; #(
|
||||||
|
NONSTOP* ) nonstop=true ;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
||||||
|
|
||||||
|
|
||||||
|
# Determine the Java command to use to start the JVM.
|
||||||
|
if [ -n "$JAVA_HOME" ] ; then
|
||||||
|
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
||||||
|
# IBM's JDK on AIX uses strange locations for the executables
|
||||||
|
JAVACMD=$JAVA_HOME/jre/sh/java
|
||||||
|
else
|
||||||
|
JAVACMD=$JAVA_HOME/bin/java
|
||||||
|
fi
|
||||||
|
if [ ! -x "$JAVACMD" ] ; then
|
||||||
|
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the
|
||||||
|
location of your Java installation."
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
JAVACMD=java
|
||||||
|
if ! command -v java >/dev/null 2>&1
|
||||||
|
then
|
||||||
|
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the
|
||||||
|
location of your Java installation."
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Increase the maximum file descriptors if we can.
|
||||||
|
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
|
||||||
|
case $MAX_FD in #(
|
||||||
|
max*)
|
||||||
|
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
|
||||||
|
# shellcheck disable=SC2039,SC3045
|
||||||
|
MAX_FD=$( ulimit -H -n ) ||
|
||||||
|
warn "Could not query maximum file descriptor limit"
|
||||||
|
esac
|
||||||
|
case $MAX_FD in #(
|
||||||
|
'' | soft) :;; #(
|
||||||
|
*)
|
||||||
|
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
|
||||||
|
# shellcheck disable=SC2039,SC3045
|
||||||
|
ulimit -n "$MAX_FD" ||
|
||||||
|
warn "Could not set maximum file descriptor limit to $MAX_FD"
|
||||||
|
esac
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Collect all arguments for the java command, stacking in reverse order:
|
||||||
|
# * args from the command line
|
||||||
|
# * the main class name
|
||||||
|
# * -classpath
|
||||||
|
# * -D...appname settings
|
||||||
|
# * --module-path (only if needed)
|
||||||
|
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
|
||||||
|
|
||||||
|
# For Cygwin or MSYS, switch paths to Windows format before running java
|
||||||
|
if "$cygwin" || "$msys" ; then
|
||||||
|
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
|
||||||
|
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
|
||||||
|
|
||||||
|
JAVACMD=$( cygpath --unix "$JAVACMD" )
|
||||||
|
|
||||||
|
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
||||||
|
for arg do
|
||||||
|
if
|
||||||
|
case $arg in #(
|
||||||
|
-*) false ;; # don't mess with options #(
|
||||||
|
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
|
||||||
|
[ -e "$t" ] ;; #(
|
||||||
|
*) false ;;
|
||||||
|
esac
|
||||||
|
then
|
||||||
|
arg=$( cygpath --path --ignore --mixed "$arg" )
|
||||||
|
fi
|
||||||
|
# Roll the args list around exactly as many times as the number of
|
||||||
|
# args, so each arg winds up back in the position where it started, but
|
||||||
|
# possibly modified.
|
||||||
|
#
|
||||||
|
# NB: a `for` loop captures its iteration list before it begins, so
|
||||||
|
# changing the positional parameters here affects neither the number of
|
||||||
|
# iterations, nor the values presented in `arg`.
|
||||||
|
shift # remove old arg
|
||||||
|
set -- "$@" "$arg" # push replacement arg
|
||||||
|
done
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||||
|
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
|
||||||
|
|
||||||
|
# Collect all arguments for the java command:
|
||||||
|
# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
|
||||||
|
# and any embedded shellness will be escaped.
|
||||||
|
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
|
||||||
|
# treated as '${Hostname}' itself on the command line.
|
||||||
|
|
||||||
|
set -- \
|
||||||
|
"-Dorg.gradle.appname=$APP_BASE_NAME" \
|
||||||
|
-classpath "$CLASSPATH" \
|
||||||
|
org.gradle.wrapper.GradleWrapperMain \
|
||||||
|
"$@"
|
||||||
|
|
||||||
|
# Stop when "xargs" is not available.
|
||||||
|
if ! command -v xargs >/dev/null 2>&1
|
||||||
|
then
|
||||||
|
die "xargs is not available"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Use "xargs" to parse quoted args.
|
||||||
|
#
|
||||||
|
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
|
||||||
|
#
|
||||||
|
# In Bash we could simply go:
|
||||||
|
#
|
||||||
|
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
|
||||||
|
# set -- "${ARGS[@]}" "$@"
|
||||||
|
#
|
||||||
|
# but POSIX shell has neither arrays nor command substitution, so instead we
|
||||||
|
# post-process each arg (as a line of input to sed) to backslash-escape any
|
||||||
|
# character that might be a shell metacharacter, then use eval to reverse
|
||||||
|
# that process (while maintaining the separation between arguments), and wrap
|
||||||
|
# the whole thing up as a single "set" statement.
|
||||||
|
#
|
||||||
|
# This will of course break if any of these variables contains a newline or
|
||||||
|
# an unmatched quote.
|
||||||
|
#
|
||||||
|
|
||||||
|
eval "set -- $(
|
||||||
|
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
|
||||||
|
xargs -n1 |
|
||||||
|
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
|
||||||
|
tr '\n' ' '
|
||||||
|
)" '"$@"'
|
||||||
|
|
||||||
|
exec "$JAVACMD" "$@"
|
||||||
94
gradlew.bat
vendored
Normal file
94
gradlew.bat
vendored
Normal file
@@ -0,0 +1,94 @@
|
|||||||
|
@rem
|
||||||
|
@rem Copyright 2015 the original author or authors.
|
||||||
|
@rem
|
||||||
|
@rem Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
@rem you may not use this file except in compliance with the License.
|
||||||
|
@rem You may obtain a copy of the License at
|
||||||
|
@rem
|
||||||
|
@rem https://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
@rem
|
||||||
|
@rem Unless required by applicable law or agreed to in writing, software
|
||||||
|
@rem distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
@rem See the License for the specific language governing permissions and
|
||||||
|
@rem limitations under the License.
|
||||||
|
@rem
|
||||||
|
@rem SPDX-License-Identifier: Apache-2.0
|
||||||
|
@rem
|
||||||
|
|
||||||
|
@if "%DEBUG%"=="" @echo off
|
||||||
|
@rem ##########################################################################
|
||||||
|
@rem
|
||||||
|
@rem Gradle startup script for Windows
|
||||||
|
@rem
|
||||||
|
@rem ##########################################################################
|
||||||
|
|
||||||
|
@rem Set local scope for the variables with windows NT shell
|
||||||
|
if "%OS%"=="Windows_NT" setlocal
|
||||||
|
|
||||||
|
set DIRNAME=%~dp0
|
||||||
|
if "%DIRNAME%"=="" set DIRNAME=.
|
||||||
|
@rem This is normally unused
|
||||||
|
set APP_BASE_NAME=%~n0
|
||||||
|
set APP_HOME=%DIRNAME%
|
||||||
|
|
||||||
|
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
|
||||||
|
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
|
||||||
|
|
||||||
|
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||||
|
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
|
||||||
|
|
||||||
|
@rem Find java.exe
|
||||||
|
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||||
|
|
||||||
|
set JAVA_EXE=java.exe
|
||||||
|
%JAVA_EXE% -version >NUL 2>&1
|
||||||
|
if %ERRORLEVEL% equ 0 goto execute
|
||||||
|
|
||||||
|
echo. 1>&2
|
||||||
|
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
|
||||||
|
echo. 1>&2
|
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
|
||||||
|
echo location of your Java installation. 1>&2
|
||||||
|
|
||||||
|
goto fail
|
||||||
|
|
||||||
|
:findJavaFromJavaHome
|
||||||
|
set JAVA_HOME=%JAVA_HOME:"=%
|
||||||
|
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
||||||
|
|
||||||
|
if exist "%JAVA_EXE%" goto execute
|
||||||
|
|
||||||
|
echo. 1>&2
|
||||||
|
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
|
||||||
|
echo. 1>&2
|
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
|
||||||
|
echo location of your Java installation. 1>&2
|
||||||
|
|
||||||
|
goto fail
|
||||||
|
|
||||||
|
:execute
|
||||||
|
@rem Setup the command line
|
||||||
|
|
||||||
|
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
||||||
|
|
||||||
|
|
||||||
|
@rem Execute Gradle
|
||||||
|
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
|
||||||
|
|
||||||
|
:end
|
||||||
|
@rem End local scope for the variables with windows NT shell
|
||||||
|
if %ERRORLEVEL% equ 0 goto mainEnd
|
||||||
|
|
||||||
|
:fail
|
||||||
|
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
||||||
|
rem the _cmd.exe /c_ return code!
|
||||||
|
set EXIT_CODE=%ERRORLEVEL%
|
||||||
|
if %EXIT_CODE% equ 0 set EXIT_CODE=1
|
||||||
|
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
|
||||||
|
exit /b %EXIT_CODE%
|
||||||
|
|
||||||
|
:mainEnd
|
||||||
|
if "%OS%"=="Windows_NT" endlocal
|
||||||
|
|
||||||
|
:omega
|
||||||
25
settings.gradle.kts
Normal file
25
settings.gradle.kts
Normal file
@@ -0,0 +1,25 @@
|
|||||||
|
pluginManagement {
|
||||||
|
repositories {
|
||||||
|
google {
|
||||||
|
content {
|
||||||
|
includeGroupByRegex("com\\.android.*")
|
||||||
|
includeGroupByRegex("com\\.google.*")
|
||||||
|
includeGroupByRegex("androidx.*")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
mavenCentral()
|
||||||
|
gradlePluginPortal()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
dependencyResolutionManagement {
|
||||||
|
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
|
||||||
|
repositories {
|
||||||
|
google()
|
||||||
|
mavenCentral()
|
||||||
|
maven("https://jitpack.io")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
rootProject.name = "CellGuard"
|
||||||
|
include(":app")
|
||||||
Reference in New Issue
Block a user