Support config located on external storage with the "external/" prefix

5 files changed, 50 insertions, 54 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/activities/StartActivity.kt b/app/src/main/java/org/pacien/tincapp/activities/StartActivity.kt
index 3807ddc..910b36f 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/StartActivity.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/StartActivity.kt
@@ -57,19 +57,18 @@ class StartActivity : BaseActivity() {
     }
 
     fun confDirDialog(@Suppress("UNUSED_PARAMETER") v: View) {
-        val confDir = AppPaths.confDir().path
-
         AlertDialog.Builder(this)
                 .setTitle(R.string.title_tinc_config_dir)
-                .setMessage(confDir)
-                .setNegativeButton(R.string.action_copy) { _, _ -> copyIntoClipboard(resources.getString(R.string.title_tinc_config_dir), confDir) }
+                .setMessage("Internal: " + AppPaths.confDir(AppPaths.Storage.INTERNAL) + "\n\n" +
+                        "External: " + AppPaths.confDir(AppPaths.Storage.EXTERNAL))
                 .setPositiveButton(R.string.action_close) { _, _ -> /* nop */ }
                 .show()
     }
 
     private fun startVpn(netName: String) {
-        startService(Intent(this, TincVpnService::class.java)
-                .putExtra(TincVpnService.INTENT_EXTRA_NET_NAME, netName))
+        startService(Intent(this, TincVpnService::class.java).putExtra(TincVpnService.INTENT_EXTRA_NET_CONF,
+                if (netName.startsWith("external/")) AppPaths.NetConf(AppPaths.Storage.EXTERNAL, netName.substringAfter("/"))
+                else AppPaths.NetConf(AppPaths.Storage.INTERNAL, netName)))
     }
 
 }
diff --git a/app/src/main/java/org/pacien/tincapp/commands/Tinc.kt b/app/src/main/java/org/pacien/tincapp/commands/Tinc.kt
index 91a2678..5116d63 100644
--- a/app/src/main/java/org/pacien/tincapp/commands/Tinc.kt
+++ b/app/src/main/java/org/pacien/tincapp/commands/Tinc.kt
@@ -8,22 +8,16 @@ import java.io.IOException
  */
 object Tinc {
 
-    private fun newCommand(netName: String): Command =
+    private fun newCommand(netConf: AppPaths.NetConf): Command =
             Command(AppPaths.tinc().absolutePath)
-                    .withOption("config", AppPaths.confDir(netName).absolutePath)
-                    .withOption("pidfile", AppPaths.pidFile(netName).absolutePath)
+                    .withOption("config", AppPaths.confDir(netConf).absolutePath)
+                    .withOption("pidfile", AppPaths.pidFile(netConf).absolutePath)
 
     // independently runnable commands
 
     @Throws(IOException::class)
-    fun network(): List<String> =
-            Executor.call(Command(AppPaths.tinc().absolutePath)
-                    .withOption("config", AppPaths.confDir().absolutePath)
-                    .withArguments("network"))
-
-    @Throws(IOException::class)
-    fun fsck(netName: String, fix: Boolean): List<String> {
-        var cmd = newCommand(netName).withArguments("fsck")
+    fun fsck(netConf: AppPaths.NetConf, fix: Boolean): List<String> {
+        var cmd = newCommand(netConf).withArguments("fsck")
         if (fix) cmd = cmd.withOption("force")
         return Executor.call(cmd)
     }
@@ -31,18 +25,18 @@ object Tinc {
     // commands requiring a running tinc daemon
 
     @Throws(IOException::class)
-    fun stop(netName: String) {
-        Executor.call(newCommand(netName).withArguments("stop"))
+    fun stop(netConf: AppPaths.NetConf) {
+        Executor.call(newCommand(netConf).withArguments("stop"))
     }
 
     @Throws(IOException::class)
-    fun dumpNodes(netName: String, reachable: Boolean): List<String> =
+    fun dumpNodes(netConf: AppPaths.NetConf, reachable: Boolean): List<String> =
             Executor.call(
-                    if (reachable) newCommand(netName).withArguments("dump", "reachable", "nodes")
-                    else newCommand(netName).withArguments("dump", "nodes"))
+                    if (reachable) newCommand(netConf).withArguments("dump", "reachable", "nodes")
+                    else newCommand(netConf).withArguments("dump", "nodes"))
 
     @Throws(IOException::class)
-    fun info(netName: String, node: String): String =
-            Executor.call(newCommand(netName).withArguments("info", node)).joinToString("\n")
+    fun info(netConf: AppPaths.NetConf, node: String): String =
+            Executor.call(newCommand(netConf).withArguments("info", node)).joinToString("\n")
 
 }
diff --git a/app/src/main/java/org/pacien/tincapp/commands/Tincd.kt b/app/src/main/java/org/pacien/tincapp/commands/Tincd.kt
index 19ebfbd..c54b328 100644
--- a/app/src/main/java/org/pacien/tincapp/commands/Tincd.kt
+++ b/app/src/main/java/org/pacien/tincapp/commands/Tincd.kt
@@ -9,12 +9,12 @@ import java.io.IOException
 object Tincd {
 
     @Throws(IOException::class)
-    fun start(netName: String, fd: Int) {
+    fun start(netConf: AppPaths.NetConf, fd: Int) {
         Executor.forkExec(Command(AppPaths.tincd().absolutePath)
                 .withOption("no-detach")
-                .withOption("config", AppPaths.confDir(netName).absolutePath)
-                .withOption("pidfile", AppPaths.pidFile(netName).absolutePath)
-                .withOption("logfile", AppPaths.logFile(netName).absolutePath)
+                .withOption("config", AppPaths.confDir(netConf).absolutePath)
+                .withOption("pidfile", AppPaths.pidFile(netConf).absolutePath)
+                .withOption("logfile", AppPaths.logFile(netConf).absolutePath)
                 .withOption("option", "DeviceType=fd")
                 .withOption("option", "Device=" + fd))
     }
diff --git a/app/src/main/java/org/pacien/tincapp/context/AppPaths.kt b/app/src/main/java/org/pacien/tincapp/context/AppPaths.kt
index 06bb318..58c6de2 100644
--- a/app/src/main/java/org/pacien/tincapp/context/AppPaths.kt
+++ b/app/src/main/java/org/pacien/tincapp/context/AppPaths.kt
@@ -1,8 +1,7 @@
 package org.pacien.tincapp.context
 
-import android.content.Context
-
 import java.io.File
+import java.io.Serializable
 
 /**
  * @author pacien
@@ -11,9 +10,8 @@ import java.io.File
  */
 object AppPaths {
 
-    private val CONFDIR = "conf"
-    private val LOGDIR = "log"
-    private val PIDDIR = "pid"
+    enum class Storage { INTERNAL, EXTERNAL }
+    data class NetConf(val storage: Storage, val netName: String) : Serializable
 
     private val TINCD_BIN = "libtincd.so"
     private val TINC_BIN = "libtinc.so"
@@ -23,21 +21,26 @@ object AppPaths {
 
     private val NET_CONF_FILE = "network.conf"
 
-    private fun createDirIfNotExists(basePath: File, newDir: String): File {
-        val f = File(basePath, newDir)
-        f.mkdirs()
-        return f
+    fun filesDir(storage: Storage): File = when (storage) {
+        Storage.INTERNAL -> App.getContext().filesDir
+        Storage.EXTERNAL -> App.getContext().getExternalFilesDir(null)
+    }
+
+    fun cacheDir(storage: Storage): File = when (storage) {
+        Storage.INTERNAL -> App.getContext().cacheDir
+        Storage.EXTERNAL -> App.getContext().externalCacheDir
     }
 
-    fun confDir(): File = App.getContext().getDir(CONFDIR, Context.MODE_PRIVATE)
-    fun confDir(netName: String): File = File(confDir(), netName)
-    fun logDir(): File = createDirIfNotExists(App.getContext().cacheDir, LOGDIR)
-    fun pidDir(): File = createDirIfNotExists(App.getContext().cacheDir, PIDDIR)
-    fun logFile(netName: String): File = File(logDir(), String.format(LOGFILE_FORMAT, netName))
-    fun pidFile(netName: String): File = File(pidDir(), String.format(PIDFILE_FORMAT, netName))
-    fun netConfFile(netName: String): File = File(confDir(netName), NET_CONF_FILE)
-    fun binDir(): File = File(App.getContext().applicationInfo.nativeLibraryDir)
-    fun tincd(): File = File(binDir(), TINCD_BIN)
-    fun tinc(): File = File(binDir(), TINC_BIN)
+    fun binDir() = File(App.getContext().applicationInfo.nativeLibraryDir)
+
+    fun confDir(storage: Storage) = filesDir(storage)
+    fun confDir(netConf: NetConf) = File(confDir(netConf.storage), netConf.netName)
+
+    fun netConfFile(netConf: NetConf) = File(confDir(netConf), NET_CONF_FILE)
+    fun logFile(netConf: NetConf) = File(cacheDir(netConf.storage), String.format(LOGFILE_FORMAT, netConf.netName))
+    fun pidFile(netConf: NetConf) = File(cacheDir(Storage.INTERNAL), String.format(PIDFILE_FORMAT, netConf.netName))
+
+    fun tincd() = File(binDir(), TINCD_BIN)
+    fun tinc() = File(binDir(), TINC_BIN)
 
 }
diff --git a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
index cb520bb..366e208 100644
--- a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
+++ b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
@@ -15,17 +15,17 @@ import java.io.IOException
  */
 class TincVpnService : VpnService() {
 
-    private var netName: String = ""
+    private var netConf: AppPaths.NetConf? = null