From 5680a1edadc0801b209e5753710b613f5880ed3c Mon Sep 17 00:00:00 2001
From: Christian Beier <info@christianbeier.net>
Date: Thu, 15 Aug 2024 17:49:44 +0200
Subject: [PATCH] MainService,native: wire up http root dir

re #6
---
 app/src/main/cpp/droidvnc-ng.c                      | 13 ++++++++++++-
 .../net/christianbeier/droidvnc_ng/MainService.java |  8 +++++---
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/app/src/main/cpp/droidvnc-ng.c b/app/src/main/cpp/droidvnc-ng.c
index 73f332e0..7724920d 100644
--- a/app/src/main/cpp/droidvnc-ng.c
+++ b/app/src/main/cpp/droidvnc-ng.c
@@ -272,6 +272,7 @@ JNIEXPORT jboolean JNICALL Java_net_christianbeier_droidvnc_1ng_MainService_vncS
     free(theScreen->frameBuffer);
     theScreen->frameBuffer = NULL;
     free((char*)theScreen->desktopName); // always malloc'ed by us
+    free(theScreen->httpDir); // always malloc'ed by us
     theScreen->desktopName = NULL;
     if(theScreen->authPasswdData) { // if this is set, it was malloc'ed by us and has one password in there
         char **passwordList = theScreen->authPasswdData;
@@ -287,7 +288,7 @@ JNIEXPORT jboolean JNICALL Java_net_christianbeier_droidvnc_1ng_MainService_vncS
 }
 
 
-JNIEXPORT jboolean JNICALL Java_net_christianbeier_droidvnc_1ng_MainService_vncStartServer(JNIEnv *env, jobject thiz, jint width, jint height, jint port, jstring desktopname, jstring password) {
+JNIEXPORT jboolean JNICALL Java_net_christianbeier_droidvnc_1ng_MainService_vncStartServer(JNIEnv *env, jobject thiz, jint width, jint height, jint port, jstring desktopname, jstring password, jstring httpRootDir) {
 
     int argc = 0;
 
@@ -355,6 +356,16 @@ JNIEXPORT jboolean JNICALL Java_net_christianbeier_droidvnc_1ng_MainService_vncS
         (*env)->ReleaseStringUTFChars(env, password, cPassword);
     }
 
+    if(httpRootDir) { // string arg to GetStringUTFChars() must not be NULL
+        const char *cHttpRootDir = (*env)->GetStringUTFChars(env, httpRootDir, NULL);
+        if(!cHttpRootDir) {
+            __android_log_print(ANDROID_LOG_ERROR, TAG, "vncStartServer: failed getting http root dir from JNI");
+            Java_net_christianbeier_droidvnc_1ng_MainService_vncStopServer(env, thiz);
+            return JNI_FALSE;
+        }
+        theScreen->httpDir = strdup(cHttpRootDir);
+        (*env)->ReleaseStringUTFChars(env, httpRootDir, cHttpRootDir);
+    }
 
     rfbInitServer(theScreen);
 
diff --git a/app/src/main/java/net/christianbeier/droidvnc_ng/MainService.java b/app/src/main/java/net/christianbeier/droidvnc_ng/MainService.java
index 83f1fe20..8af10220 100644
--- a/app/src/main/java/net/christianbeier/droidvnc_ng/MainService.java
+++ b/app/src/main/java/net/christianbeier/droidvnc_ng/MainService.java
@@ -166,7 +166,7 @@ public void onServiceUnregistered(NsdServiceInfo nsdServiceInfo) {
     }
 
     @SuppressWarnings("BooleanMethodIsAlwaysInverted")
-    private native boolean vncStartServer(int width, int height, int port, String desktopName, String password);
+    private native boolean vncStartServer(int width, int height, int port, String desktopName, String password, String httpRootDir);
     private native boolean vncStopServer();
     private native boolean vncIsActive();
     private native long vncConnectReverse(String host, int port);
@@ -339,7 +339,8 @@ public int onStartCommand(Intent intent, int flags, int startId)
                         displayMetrics.heightPixels,
                         port,
                         name,
-                        PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_PASSWORD, mDefaults.getPassword()));
+                        PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_PASSWORD, mDefaults.getPassword()),
+                        getFilesDir().getAbsolutePath() + File.separator + "novnc");
                 Intent answer = new Intent(ACTION_START);
                 answer.putExtra(EXTRA_REQUEST_ID, PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_START_REQUEST_ID, null));
                 answer.putExtra(EXTRA_REQUEST_SUCCESS, status);
@@ -379,7 +380,8 @@ public int onStartCommand(Intent intent, int flags, int startId)
                         displayMetrics.heightPixels,
                         port,
                         name,
-                        PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_PASSWORD, mDefaults.getPassword()));
+                        PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_PASSWORD, mDefaults.getPassword()),
+                        getFilesDir().getAbsolutePath() + File.separator + "novnc");
 
                 Intent answer = new Intent(ACTION_START);
                 answer.putExtra(EXTRA_REQUEST_ID, PreferenceManager.getDefaultSharedPreferences(this).getString(PREFS_KEY_SERVER_LAST_START_REQUEST_ID, null));