1 files changed, 918 insertions, 0 deletions

diff --git a/data.cpp b/data.cpp
new file mode 100644
index 000000000..64e812e11
--- /dev/null
+++ b/data.cpp
@@ -0,0 +1,918 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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
+ *
+ *      http://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.
+ */
+
+#include <linux/input.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <string>
+#include <utility>
+#include <map>
+#include <fstream>
+#include <sstream>
+
+#include "variables.h"
+#include "data.hpp"
+#include "partitions.hpp"
+
+extern "C"
+{
+    #include "common.h"
+    #include "data.h"
+    #include "tw_reboot.h"
+	#include "roots.h"
+
+    int get_battery_level(void);
+    void get_device_id(void);
+
+    extern char device_id[15];
+
+    void gui_notifyVarChange(const char *name, const char* value);
+
+	int __system(const char *command);
+}
+
+#define FILE_VERSION    0x00010001
+
+using namespace std;
+
+map<string, DataManager::TStrIntPair>   DataManager::mValues;
+map<string, string>                     DataManager::mConstValues;
+string                                  DataManager::mBackingFile;
+int                                     DataManager::mInitialized = 0;
+
+int DataManager::ResetDefaults()
+{
+    mValues.clear();
+    mConstValues.clear();
+    SetDefaultValues();
+    return 0;
+}
+
+int DataManager::LoadValues(const string filename)
+{
+    string str;
+
+	if (!mInitialized)
+        SetDefaultValues();
+
+    // Save off the backing file for set operations
+    mBackingFile = filename;
+
+    // Read in the file, if possible
+    FILE* in = fopen(filename.c_str(), "rb");
+    if (!in)    return 0;
+
+    int file_version;
+    if (fread(&file_version, 1, sizeof(int), in) != sizeof(int))    goto error;
+    if (file_version != FILE_VERSION)                               goto error;
+
+    while (!feof(in))
+    {
+        string Name;
+        string Value;
+        unsigned short length;
+        char array[512];
+
+        if (fread(&length, 1, sizeof(unsigned short), in) != sizeof(unsigned short))    goto error;
+        if (length >= 512)                                                              goto error;
+        if (fread(array, 1, length, in) != length)                                      goto error;
+        Name = array;
+
+        if (fread(&length, 1, sizeof(unsigned short), in) != sizeof(unsigned short))    goto error;
+        if (length >= 512)                                                              goto error;
+        if (fread(array, 1, length, in) != length)                                      goto error;
+        Value = array;
+
+        map<string, TStrIntPair>::iterator pos;
+
+        pos = mValues.find(Name);
+        if (pos != mValues.end())
+        {
+            pos->second.first = Value;
+            pos->second.second = 1;
+        }
+        else
+            mValues.insert(TNameValuePair(Name, TStrIntPair(Value, 1)));
+    }
+    fclose(in);
+
+	str = GetCurrentStoragePath();
+	str += "/TWRP/BACKUPS/";
+	str += device_id;
+	SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
+
+    return 0;
+
+error:
+    // File version mismatch. Use defaults.
+    fclose(in);
+	str = GetCurrentStoragePath();
+	str += "/TWRP/BACKUPS/";
+	str += device_id;
+	SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
+    return -1;
+}
+
+int DataManager::Flush()
+{
+    return SaveValues();
+}
+
+int DataManager::SaveValues()
+{
+    if (mBackingFile.empty())       return -1;
+
+	string mount_path = GetSettingsStoragePath();
+	TWPartitionManager::Mount_By_Path(mount_path.c_str(), 1);
+
+	FILE* out = fopen(mBackingFile.c_str(), "wb");
+    if (!out)                       return -1;
+
+    int file_version = FILE_VERSION;
+    fwrite(&file_version, 1, sizeof(int), out);
+
+    map<string, TStrIntPair>::iterator iter;
+    for (iter = mValues.begin(); iter != mValues.end(); ++iter)
+    {
+        // Save only the persisted data
+        if (iter->second.second != 0)
+        {
+            unsigned short length = (unsigned short) iter->first.length() + 1;
+            fwrite(&length, 1, sizeof(unsigned short), out);
+            fwrite(iter->first.c_str(), 1, length, out);
+            length = (unsigned short) iter->second.first.length() + 1;
+            fwrite(&length, 1, sizeof(unsigned short), out);
+            fwrite(iter->second.first.c_str(), 1, length, out);
+        }
+    }
+    fclose(out);
+    return 0;
+}
+
+int DataManager::GetValue(const string varName, string& value)
+{
+    string localStr = varName;
+
+    if (!mInitialized)
+        SetDefaultValues();
+
+    // Strip off leading and trailing '%' if provided
+    if (localStr.length() > 2 && localStr[0] == '%' && localStr[localStr.length()-1] == '%')
+    {
+        localStr.erase(0, 1);
+        localStr.erase(localStr.length() - 1, 1);
+    }
+
+    // Handle magic values
+    if (GetMagicValue(localStr, value) == 0)     return 0;
+
+    map<string, string>::iterator constPos;
+    constPos = mConstValues.find(localStr);
+    if (constPos != mConstValues.end())
+    {
+        value = constPos->second;
+        return 0;
+    }
+
+    map<string, TStrIntPair>::iterator pos;
+    pos = mValues.find(localStr);
+    if (pos == mValues.end())
+        return -1;
+
+    value = pos->second.first;
+    return 0;
+}
+
+int DataManager::GetValue(const string varName, int& value)
+{
+    string data;
+
+    if (GetValue(varName,data) != 0)
+        return -1;
+
+    value = atoi(data.c_str());
+    return 0;
+}
+
+// This is a dangerous function. It will create the value if it doesn't exist so it has a valid c_str
+string& DataManager::GetValueRef(const string varName)
+{
+    if (!mInitialized)
+        SetDefaultValues();
+
+    map<string, string>::iterator constPos;
+    constPos = mConstValues.find(varName);
+    if (constPos != mConstValues.end())
+        return constPos->second;
+
+    map<string, TStrIntPair>::iterator pos;
+    pos = mValues.find(varName);
+    if (pos == mValues.end())
+        pos = (mValues.insert(TNameValuePair(varName, TStrIntPair("", 0)))).first;
+
+    return pos->second.first;
+}
+
+// This function will return an empty string if the value doesn't exist
+string DataManager::GetStrValue(const string varName)
+{
+    string retVal;
+
+    GetValue(varName, retVal);
+    return retVal;
+}
+
+// This function will return 0 if the value doesn't exist
+int DataManager::GetIntValue(const string varName)
+{
+    string retVal;
+
+    GetValue(varName, retVal);
+    return atoi(retVal.c_str());
+}
+
+int DataManager::SetValue(const string varName, string value, int persist /* = 0 */)
+{
+    if (!mInitialized)
+        SetDefaultValues();
+
+    // Don't allow empty values or numerical starting values
+    if (varName.empty() || (varName[0] >= '0' && varName[0] <= '9'))
+        return -1;
+
+    map<string, string>::iterator constChk;
+    constChk = mConstValues.find(varName);
+    if (constChk != mConstValues.end())
+        return -1;
+
+    map<string, TStrIntPair>::iterator pos;
+    pos = mValues.find(varName);
+    if (pos == mValues.end())
+        pos = (mValues.insert(TNameValuePair(varName, TStrIntPair(value, persist)))).first;
+    else
+        pos->second.first = value;
+
+    if (pos->second.second != 0)
+        SaveValues();
+
+    gui_notifyVarChange(varName.c_str(), value.c_str());
+    return 0;
+}
+
+int DataManager::SetValue(const string varName, int value, int persist /* = 0 */)
+{
+	ostringstream valStr;
+    valStr << value;
+	if (varName == "tw_use_external_storage") {
+		string str;
+
+		if (GetIntValue(TW_HAS_DUAL_STORAGE) == 1) {
+			if (value == 0) {
+				str = GetStrValue(TW_INTERNAL_PATH);
+				if (GetIntValue(TW_HAS_DATA_MEDIA) == 1) {
+					LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((dat.sze - dat.used) / 1048576LLU));
+				} else {
+					LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((sdcint.sze - sdcint.used) / 1048576LLU));
+				}
+			} else {
+				str = GetStrValue(TW_EXTERNAL_PATH);
+				LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((sdcext.sze - sdcext.used) / 1048576LLU));
+			}
+		} else if (GetIntValue(TW_HAS_INTERNAL) == 1)
+			str = GetStrValue(TW_INTERNAL_PATH);
+		else
+			str = GetStrValue(TW_EXTERNAL_PATH);
+
+		str += "/TWRP/BACKUPS/";
+		str += device_id;
+
+		SetValue(TW_BACKUPS_FOLDER_VAR, str);
+	}
+    return SetValue(varName, valStr.str(), persist);;
+}
+
+int DataManager::SetValue(const string varName, float value, int persist /* = 0 */)
+{
+	ostringstream valStr;
+    valStr << value;
+    return SetValue(varName, valStr.str(), persist);;
+}
+
+void DataManager::DumpValues()
+{
+    map<string, TStrIntPair>::iterator iter;
+    ui_print("Data Manager dump - Values with leading X are persisted.\n");
+    for (iter = mValues.begin(); iter != mValues.end(); ++iter)
+    {
+        ui_print("%c %s=%s\n", iter->second.second ? 'X' : ' ', iter->first.c_str(), iter->second.first.c_str());
+    }
+}
+
+void DataManager::SetDefaultValues()
+{
+    string str, path;
+
+    get_device_id();
+
+    mInitialized = 1;
+
+    mConstValues.insert(make_pair("true", "1"));
+    mConstValues.insert(make_pair("false", "0"));
+
+    mConstValues.insert(make_pair(TW_VERSION_VAR, TW_VERSION_STR));
+
+#ifdef BOARD_HAS_NO_REAL_SDCARD
+    mConstValues.insert(make_pair(TW_ALLOW_PARTITION_SDCARD, "0"));
+#else
+    mConstValues.insert(make_pair(TW_ALLOW_PARTITION_SDCARD, "1"));
+#endif
+
+#ifdef TW_INCLUDE_DUMLOCK
+	mConstValues.insert(make_pair(TW_SHOW_DUMLOCK, "1"));
+#else
+	mConstValues.insert(make_pair(TW_SHOW_DUMLOCK, "0"));
+#endif
+
+#ifdef TW_INTERNAL_STORAGE_PATH
+	LOGI("Internal path defined: '%s'\n", EXPAND(TW_INTERNAL_STORAGE_PATH));
+	mValues.insert(make_pair(TW_USE_EXTERNAL_STORAGE, make_pair("0", 1)));
+	mConstValues.insert(make_pair(TW_HAS_INTERNAL, "1"));
+	mConstValues.insert(make_pair(TW_INTERNAL_PATH, EXPAND(TW_INTERNAL_STORAGE_PATH)));
+	mConstValues.insert(make_pair(TW_INTERNAL_LABEL, EXPAND(TW_INTERNAL_STORAGE_MOUNT_POINT)));
+	path.clear();
+	path = "/";
+	path += EXPAND(TW_INTERNAL_STORAGE_MOUNT_POINT);
+	mConstValues.insert(make_pair(TW_INTERNAL_MOUNT, path));
+	#ifdef TW_EXTERNAL_STORAGE_PATH
+		LOGI("External path defined: '%s'\n", EXPAND(TW_EXTERNAL_STORAGE_PATH));
+		// Device has dual storage
+		mConstValues.insert(make_pair(TW_HAS_DUAL_STORAGE, "1"));
+		mConstValues.insert(make_pair(TW_HAS_EXTERNAL, "1"));
+		mConstValues.insert(make_pair(TW_EXTERNAL_PATH, EXPAND(TW_EXTERNAL_STORAGE_PATH)));
+		mConstValues.insert(make_pair(TW_EXTERNAL_LABEL, EXPAND(TW_EXTERNAL_STORAGE_MOUNT_POINT)));
+		mValues.insert(make_pair(TW_ZIP_EXTERNAL_VAR, make_pair(EXPAND(TW_EXTERNAL_STORAGE_PATH), 1)));
+		path.clear();
+		path = "/";
+		path += EXPAND(TW_EXTERNAL_STORAGE_MOUNT_POINT);
+		mConstValues.insert(make_pair(TW_EXTERNAL_MOUNT, path));
+		if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
+			mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/emmc", 1)));
+		} else {
+			mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/sdcard", 1)));
+		}
+	#else
+		LOGI("Just has internal storage.\n");
+		// Just has internal storage
+		mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/sdcard", 1)));
+		mConstValues.insert(make_pair(TW_HAS_DUAL_STORAGE, "0"));
+		mConstValues.insert(make_pair(TW_HAS_EXTERNAL, "0"));
+		mConstValues.insert(make_pair(TW_EXTERNAL_PATH, "0"));
+		mConstValues.insert(make_pair(TW_EXTERNAL_MOUNT, "0"));
+		mConstValues.insert(make_pair(TW_EXTERNAL_LABEL, "0"));
+	#endif
+#else
+	#ifdef RECOVERY_SDCARD_ON_DATA
+		#ifdef TW_EXTERNAL_STORAGE_PATH
+			LOGI("Has /data/media + external storage in '%s'\n", EXPAND(TW_EXTERNAL_STORAGE_PATH));
+			// Device has /data/media + external storage
+			mConstValues.insert(make_pair(TW_HAS_DUAL_STORAGE, "1"));
+		#else
+			LOGI("Single storage only -- data/media.\n");
+			// Device just has external storage
+			mConstValues.insert(make_pair(TW_HAS_DUAL_STORAGE, "0"));
+			mConstValues.insert(make_pair(TW_HAS_EXTERNAL, "0"));
+		#endif
+	#else
+		LOGI("Single storage only.\n");
+		// Device just has external storage
+		mConstValues.insert(make_pair(TW_HAS_DUAL_STORAGE, "0"));
+	#endif
+	#ifdef RECOVERY_SDCARD_ON_DATA
+		LOGI("Device has /data/media defined.\n");
+		// Device has /data/media
+		mConstValues.insert(make_pair(TW_USE_EXTERNAL_STORAGE, "0"));
+		mConstValues.insert(make_pair(TW_HAS_INTERNAL, "1"));
+		mConstValues.insert(make_pair(TW_INTERNAL_PATH, "/data/media"));
+		mConstValues.insert(make_pair(TW_INTERNAL_MOUNT, "/data"));
+		mConstValues.insert(make_pair(TW_INTERNAL_LABEL, "data"));
+		#ifdef TW_EXTERNAL_STORAGE_PATH
+			if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
+				mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/emmc", 1)));
+			} else {
+				mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/sdcard", 1)));
+			}
+		#else
+			mValues.insert(make_pair(TW_ZIP_INTERNAL_VAR, make_pair("/sdcard", 1)));
+		#endif
+	#else
+		LOGI("No internal storage defined.\n");
+		// Device has no internal storage
+		mConstValues.insert(make_pair(TW_USE_EXTERNAL_STORAGE, "1"));
+		mConstValues.insert(make_pair(TW_HAS_INTERNAL, "0"));
+		mConstValues.insert(make_pair(TW_INTERNAL_PATH, "0"));
+		mConstValues.insert(make_pair(TW_INTERNAL_MOUNT, "0"));
+		mConstValues.insert(make_pair(TW_INTERNAL_LABEL, "0"));
+	#endif
+	#ifdef TW_EXTERNAL_STORAGE_PATH
+		LOGI("Only external path defined: '%s'\n", EXPAND(TW_EXTERNAL_STORAGE_PATH));
+		// External has custom definition
+		mConstValues.insert(make_pair(TW_HAS_EXTERNAL, "1"));
+		mConstValues.insert(make_pair(TW_EXTERNAL_PATH, EXPAND(TW_EXTERNAL_STORAGE_PATH)));
+		mConstValues.insert(make_pair(TW_EXTERNAL_LABEL, EXPAND(TW_EXTERNAL_STORAGE_MOUNT_POINT)));
+		mValues.insert(make_pair(TW_ZIP_EXTERNAL_VAR, make_pair(EXPAND(TW_EXTERNAL_STORAGE_PATH), 1)));
+		path.clear();
+		path = "/";
+		path += EXPAND(TW_EXTERNAL_STORAGE_MOUNT_POINT);
+		mConstValues.insert(make_pair(TW_EXTERNAL_MOUNT, path));
+	#else
+		#ifndef RECOVERY_SDCARD_ON_DATA
+			LOGI("No storage defined, defaulting to /sdcard.\n");
+			// Standard external definition
+			mConstValues.insert(make_pair(TW_HAS_EXTERNAL, "1"));
+			mConstValues.insert(make_pair(TW_EXTERNAL_PATH, "/sdcard"));
+			mConstValues.insert(make_pair(TW_EXTERNAL_MOUNT, "/sdcard"));
+			mConstValues.insert(make_pair(TW_EXTERNAL_LABEL, "sdcard"));
+			mValues.insert(make_pair(TW_ZIP_EXTERNAL_VAR, make_pair("/sdcard", 1)));
+		#endif
+	#endif
+#endif
+
+#ifdef TW_DEFAULT_EXTERNAL_STORAGE
+	SetValue(TW_USE_EXTERNAL_STORAGE, 1);
+	LOGI("Defaulting to external storage.\n");
+#endif
+
+	str = GetCurrentStoragePath();
+#ifdef RECOVERY_SDCARD_ON_DATA
+	#ifndef TW_EXTERNAL_STORAGE_PATH
+		SetValue(TW_ZIP_LOCATION_VAR, "/sdcard", 1);
+	#else
+		if (strcmp(EXPAND(TW_EXTERNAL_STORAGE_PATH), "/sdcard") == 0) {
+			SetValue(TW_ZIP_LOCATION_VAR, "/emmc", 1);
+		} else {
+			SetValue(TW_ZIP_LOCATION_VAR, "/sdcard", 1);
+		}
+	#endif
+#else
+	SetValue(TW_ZIP_LOCATION_VAR, str.c_str(), 1);
+#endif
+	str += "/TWRP/BACKUPS/";
+    str += device_id;
+	SetValue(TW_BACKUPS_FOLDER_VAR, str, 0);
+
+    if (strlen(EXPAND(SP1_DISPLAY_NAME)))    mConstValues.insert(make_pair(TW_SP1_PARTITION_NAME_VAR, EXPAND(SP1_DISPLAY_NAME)));
+    if (strlen(EXPAND(SP2_DISPLAY_NAME)))    mConstValues.insert(make_pair(TW_SP2_PARTITION_NAME_VAR, EXPAND(SP2_DISPLAY_NAME)));
+    if (strlen(EXPAND(SP3_DISPLAY_NAME)))    mConstValues.insert(make_pair(TW_SP3_PARTITION_NAME_VAR, EXPAND(SP3_DISPLAY_NAME)));
+
+    mConstValues.insert(make_pair(TW_REBOOT_SYSTEM, tw_isRebootCommandSupported(rb_system) ? "1" : "0"));
+#ifdef TW_NO_REBOOT_RECOVERY
+	mConstValues.insert(make_pair(TW_REBOOT_RECOVERY, "0"));
+#else
+	mConstValues.insert(make_pair(TW_REBOOT_RECOVERY, tw_isRebootCommandSupported(rb_recovery) ? "1" : "0"));
+#endif
+    mConstValues.insert(make_pair(TW_REBOOT_POWEROFF, tw_isRebootCommandSupported(rb_poweroff) ? "1" : "0"));
+#ifdef TW_NO_REBOOT_BOOTLOADER
+	mConstValues.insert(make_pair(TW_REBOOT_BOOTLOADER, "0"));
+#else
+	mConstValues.insert(make_pair(TW_REBOOT_BOOTLOADER, tw_isRebootCommandSupported(rb_bootloader) ? "1" : "0"));
+#endif
+#ifdef RECOVERY_SDCARD_ON_DATA
+	mConstValues.insert(make_pair(TW_HAS_DATA_MEDIA, "1"));
+#else
+	mConstValues.insert(make_pair(TW_HAS_DATA_MEDIA, "0"));
+#endif
+#ifdef TW_NO_BATT_PERCENT
+	mConstValues.insert(make_pair(TW_NO_BATTERY_PERCENT, "1"));
+#else
+	mConstValues.insert(make_pair(TW_NO_BATTERY_PERCENT, "0"));
+#endif
+#ifdef TW_CUSTOM_POWER_BUTTON
+	mConstValues.insert(make_pair(TW_POWER_BUTTON, EXPAND(TW_CUSTOM_POWER_BUTTON)));
+#else
+	mConstValues.insert(make_pair(TW_POWER_BUTTON, "0"));
+#endif
+#ifdef TW_ALWAYS_RMRF
+	mConstValues.insert(make_pair(TW_RM_RF_VAR, "1"));
+#endif
+#ifdef TW_NEVER_UNMOUNT_SYSTEM
+	mConstValues.insert(make_pair(TW_DONT_UNMOUNT_SYSTEM, "1"));
+#else
+	mConstValues.insert(make_pair(TW_DONT_UNMOUNT_SYSTEM, "0"));
+#endif
+#ifdef TW_NO_USB_STORAGE
+	mConstValues.insert(make_pair(TW_HAS_USB_STORAGE, "0"));
+#else
+	mConstValues.insert(make_pair(TW_HAS_USB_STORAGE, "1"));
+#endif
+#ifdef TW_INCLUDE_INJECTTWRP
+	mConstValues.insert(make_pair(TW_HAS_INJECTTWRP, "1"));
+	mValues.insert(make_pair(TW_INJECT_AFTER_ZIP, make_pair("1", 1)));
+#else
+	mConstValues.insert(make_pair(TW_HAS_INJECTTWRP, "0"));
+	mValues.insert(make_pair(TW_INJECT_AFTER_ZIP, make_pair("0", 1)));
+#endif
+#ifdef TW_FLASH_FROM_STORAGE
+	mConstValues.insert(make_pair(TW_FLASH_ZIP_IN_PLACE, "1"));
+#endif
+#ifdef TW_HAS_DOWNLOAD_MODE
+	mConstValues.insert(make_pair(TW_DOWNLOAD_MODE, "1"));
+#endif
+#ifdef TW_INCLUDE_CRYPTO
+	mConstValues.insert(make_pair(TW_HAS_CRYPTO, "1"));
+	LOGI("Device has crypto support compiled into recovery.\n");
+#endif
+#ifdef TW_SDEXT_NO_EXT4
+	mConstValues.insert(make_pair(TW_SDEXT_DISABLE_EXT4, "1"));
+#else
+	mConstValues.insert(make_pair(TW_SDEXT_DISABLE_EXT4, "0"));
+#endif
+
+    mConstValues.insert(make_pair(TW_MIN_SYSTEM_VAR, TW_MIN_SYSTEM_SIZE));
+	mValues.insert(make_pair(TW_BACKUP_NAME, make_pair("(Current Date)", 0)));
+	mValues.insert(make_pair(TW_BACKUP_SYSTEM_VAR, make_pair("1", 1)));
+    mValues.insert(make_pair(TW_BACKUP_DATA_VAR, make_pair("1", 1)));
+    mValues.insert(make_pair(TW_BACKUP_BOOT_VAR, make_pair("1", 1)));
+    mValues.insert(make_pair(TW_BACKUP_RECOVERY_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_CACHE_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_SP1_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_SP2_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_SP3_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_ANDSEC_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_BACKUP_SDEXT_VAR, make_pair("0", 1)));
+	mValues.insert(make_pair(TW_BACKUP_SYSTEM_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_DATA_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_BOOT_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_RECOVERY_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_CACHE_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_ANDSEC_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_SDEXT_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_SP1_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_SP2_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_BACKUP_SP3_SIZE, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_STORAGE_FREE_SIZE, make_pair("0", 0)));
+	
+    mValues.insert(make_pair(TW_REBOOT_AFTER_FLASH_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_SIGNED_ZIP_VERIFY_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_FORCE_MD5_CHECK_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_COLOR_THEME_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_USE_COMPRESSION_VAR, make_pair("0", 1)));
+	mValues.insert(make_pair(TW_IGNORE_IMAGE_SIZE, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_SHOW_SPAM_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_TIME_ZONE_VAR, make_pair("CST6CDT", 1)));
+    mValues.insert(make_pair(TW_SORT_FILES_BY_DATE_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_GUI_SORT_ORDER, make_pair("1", 1)));
+    mValues.insert(make_pair(TW_RM_RF_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_SKIP_MD5_CHECK_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_SKIP_MD5_GENERATE_VAR, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_SDEXT_SIZE, make_pair("512", 1)));
+    mValues.insert(make_pair(TW_SWAP_SIZE, make_pair("32", 1)));
+    mValues.insert(make_pair(TW_SDPART_FILE_SYSTEM, make_pair("ext3", 1)));
+    mValues.insert(make_pair(TW_TIME_ZONE_GUISEL, make_pair("CST6;CDT", 1)));
+    mValues.insert(make_pair(TW_TIME_ZONE_GUIOFFSET, make_pair("0", 1)));
+    mValues.insert(make_pair(TW_TIME_ZONE_GUIDST, make_pair("1", 1)));
+    mValues.insert(make_pair(TW_ACTION_BUSY, make_pair("0", 0)));
+    mValues.insert(make_pair(TW_BACKUP_AVG_IMG_RATE, make_pair("15000000", 1)));
+    mValues.insert(make_pair(TW_BACKUP_AVG_FILE_RATE, make_pair("3000000", 1)));
+    mValues.insert(make_pair(TW_BACKUP_AVG_FILE_COMP_RATE, make_pair("2000000", 1)));
+    mValues.insert(make_pair(TW_RESTORE_AVG_IMG_RATE, make_pair("15000000", 1)));
+    mValues.insert(make_pair(TW_RESTORE_AVG_FILE_RATE, make_pair("3000000", 1)));
+    mValues.insert(make_pair(TW_RESTORE_AVG_FILE_COMP_RATE, make_pair("2000000", 1)));
+	if (GetIntValue(TW_HAS_INTERNAL) == 1 && GetIntValue(TW_HAS_DATA_MEDIA) == 1 && GetIntValue(TW_HAS_EXTERNAL) == 0)
+		SetValue(TW_HAS_USB_STORAGE, 0, 0);
+	else
+		SetValue(TW_HAS_USB_STORAGE, 1, 0);
+	mValues.insert(make_pair(TW_ZIP_INDEX, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_ZIP_QUEUE_COUNT, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_FILENAME, make_pair("/sdcard", 0)));
+	mValues.insert(make_pair(TW_SIMULATE_ACTIONS, make_pair("0", 1)));
+	mValues.insert(make_pair(TW_SIMULATE_FAIL, make_pair("0", 1)));
+	mValues.insert(make_pair(TW_IS_ENCRYPTED, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_IS_DECRYPTED, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_CRYPTO_PASSWORD, make_pair("0", 0)));
+	mValues.insert(make_pair(TW_DATA_BLK_DEVICE, make_pair("0", 0)));
+	mValues.insert(make_pair("tw_terminal_state", make_pair("0", 0)));
+	mValues.insert(make_pair("tw_background_thread_running", make_pair("0", 0)));
+	mValues.insert(make_pair(TW_RESTORE_FILE_DATE, make_pair("0", 0)));
+}
+
+// Magic Values
+int DataManager::GetMagicValue(const string varName, string& value)
+{
+    // Handle special dynamic cases
+    if (varName == "tw_time")
+    {
+        char tmp[32];
+
+        struct tm *current;
+        time_t now;
+        now = time(0);
+        current = localtime(&now);
+
+        if (current->tm_hour >= 12)
+            sprintf(tmp, "%d:%02d PM", current->tm_hour == 12 ? 12 : current->tm_hour - 12, current->tm_min);
+        else
+            sprintf(tmp, "%d:%02d AM", current->tm_hour == 0 ? 12 : current->tm_hour, current->tm_min);
+
+        value = tmp;
+        return 0;
+    }
+    if (varName == "tw_battery")
+    {
+        char tmp[16];
+
+        sprintf(tmp, "%i%%", get_battery_level());
+        value = tmp;
+        return 0;
+    }
+    return -1;
+}
+
+void DataManager::ReadSettingsFile(void)
+{
+	// Load up the values for TWRP - Sleep to let the card be ready
+	char mkdir_path[255], settings_file[255];
+	int is_enc, has_dual, use_ext, has_data_media, has_ext;
+
+	GetValue(TW_IS_ENCRYPTED, is_enc);
+	GetValue(TW_HAS_DATA_MEDIA, has_data_media);
+	if (is_enc == 1 && has_data_media == 1) {
+		LOGI("Cannot load settings -- encrypted.\n");
+		return;
+	}
+
+	memset(mkdir_path, 0, sizeof(mkdir_path));
+	memset(settings_file, 0, sizeof(settings_file));
+	sprintf(mkdir_path, "%s/TWRP", DataManager_GetSettingsStoragePath());
+	sprintf(settings_file, "%s/.twrps", mkdir_path);
+
+	if (TWPartitionManager::Mount_By_Path(DataManager_GetSettingsStorageMount(), 0) < 0)
+	{
+		usleep(500000);
+		if (TWPartitionManager::Mount_By_Path(DataManager_GetSettingsStorageMount(), 0) < 0)
+			LOGE("Unable to mount %s when trying to read settings file.\n", DataManager_GetSettingsStorageMount());
+	}
+
+	mkdir(mkdir_path, 0777);
+
+	LOGI("Attempt to load settings from settings file...\n");
+	LoadValues(settings_file);
+	GetValue(TW_HAS_DUAL_STORAGE, has_dual);
+	GetValue(TW_USE_EXTERNAL_STORAGE, use_ext);
+	GetValue(TW_HAS_EXTERNAL, has_ext);
+	if (has_dual != 0 && use_ext == 1) {
+		// Attempt to sdcard using external storage
+		if (TWPartitionManager::Mount_Current_Storage()) {
+			LOGE("Failed to mount external storage, using internal storage.\n");
+			// Remount failed, default back to internal storage
+			SetValue(TW_USE_EXTERNAL_STORAGE, 0);
+			TWPartitionManager::Mount_Current_Storage();
+		}
+	} else {
+		TWPartitionManager::Mount_Current_Storage();
+	}
+	if (has_data_media == 1) {
+		if (has_dual == 0) {
+			LOGI("Mounting /data/media to /sdcard\n");
+			system("umount /sdcard");
+			system("mount /data/media /sdcard");
+		} else {
+			string ext_path;
+
+			GetValue(TW_EXTERNAL_PATH, ext_path);
+			if (ext_path == "/sdcard") {
+				LOGI("Mounting /data/media to /emmc\n");
+				system("cd / && mkdir emmc");
+				system("umount /emmc");
+				system("mount /data/media /emmc");
+			} else {
+				LOGI("Mounting /data/media to /sdcard\n");
+				system("umount /sdcard");
+				system("mount /data/media /sdcard");
+			}
+		}
+	}
+
+	// Update storage free space after settings file is loaded
+	if (use_ext == 1)
+		LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((sdcext.sze - sdcext.used) / 1048576LLU));
+	else if (has_data_media == 1)
+		LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((dat.sze - dat.used) / 1048576LLU));
+	else
+		LOGE("TODO: Fix storage size code!\n"); //SetValue(TW_STORAGE_FREE_SIZE, (int)((sdcint.sze - sdcint.used) / 1048576LLU));
+
+	if (has_ext) {
+		string ext_path;
+
+		GetValue(TW_EXTERNAL_PATH, ext_path);
+		TWPartitionManager::Mount_By_Path(ext_path, 0);
+	}
+}
+
+string DataManager::GetCurrentStoragePath(void)
+{
+	if (GetIntValue(TW_HAS_DUAL_STORAGE) == 1) {
+		if (GetIntValue(TW_USE_EXTERNAL_STORAGE) == 0)
+			return GetStrValue(TW_INTERNAL_PATH);
+		else
+			return GetStrValue(TW_EXTERNAL_PATH);
+	} else if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetStrValue(TW_INTERNAL_PATH);
+	else
+		return GetStrValue(TW_EXTERNAL_PATH);
+}
+
+string& DataManager::CGetCurrentStoragePath()
+{
+	if (GetIntValue(TW_HAS_DUAL_STORAGE) == 1) {
+		if (GetIntValue(TW_USE_EXTERNAL_STORAGE) == 0)
+			return GetValueRef(TW_INTERNAL_PATH);
+		else
+			return GetValueRef(TW_EXTERNAL_PATH);
+	} else if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetValueRef(TW_INTERNAL_PATH);
+	else
+		return GetValueRef(TW_EXTERNAL_PATH);
+}
+
+string DataManager::GetCurrentStorageMount(void)
+{
+	if (GetIntValue(TW_HAS_DUAL_STORAGE) == 1) {
+		if (GetIntValue(TW_USE_EXTERNAL_STORAGE) == 0)
+			return GetStrValue(TW_INTERNAL_MOUNT);
+		else
+			return GetStrValue(TW_EXTERNAL_MOUNT);
+	} else if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetStrValue(TW_INTERNAL_MOUNT);
+	else
+		return GetStrValue(TW_EXTERNAL_MOUNT);
+}
+
+string& DataManager::CGetCurrentStorageMount()
+{
+	if (GetIntValue(TW_HAS_DUAL_STORAGE) == 1) {
+		if (GetIntValue(TW_USE_EXTERNAL_STORAGE) == 0)
+			return GetValueRef(TW_INTERNAL_MOUNT);
+		else
+			return GetValueRef(TW_EXTERNAL_MOUNT);
+	} else if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetValueRef(TW_INTERNAL_MOUNT);
+	else
+		return GetValueRef(TW_EXTERNAL_MOUNT);
+}
+
+string DataManager::GetSettingsStoragePath(void)
+{
+	if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetStrValue(TW_INTERNAL_PATH);
+	else
+		return GetStrValue(TW_EXTERNAL_PATH);
+}
+
+string& DataManager::CGetSettingsStoragePath()
+{
+	if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetValueRef(TW_INTERNAL_PATH);
+	else
+		return GetValueRef(TW_EXTERNAL_PATH);
+}
+
+string DataManager::GetSettingsStorageMount(void)
+{
+	if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetStrValue(TW_INTERNAL_MOUNT);
+	else
+		return GetStrValue(TW_EXTERNAL_MOUNT);
+}
+
+string& DataManager::CGetSettingsStorageMount()
+{
+	if (GetIntValue(TW_HAS_INTERNAL) == 1)
+		return GetValueRef(TW_INTERNAL_MOUNT);
+	else
+		return GetValueRef(TW_EXTERNAL_MOUNT);
+}
+
+extern "C" int DataManager_ResetDefaults()
+{
+    return DataManager::ResetDefaults();
+}
+
+extern "C" void DataManager_LoadDefaults()
+{
+    return DataManager::SetDefaultValues();
+}
+
+extern "C" int DataManager_LoadValues(const char* filename)
+{
+    return DataManager::LoadValues(filename);
+}
+
+extern "C" int DataManager_Flush()
+{
+    return DataManager::Flush();
+}
+
+extern "C" int DataManager_GetValue(const char* varName, char* value)
+{
+    int ret;
+    string str;
+
+    ret = DataManager::GetValue(varName, str);
+    if (ret == 0)
+        strcpy(value, str.c_str());
+    return ret;
+}
+
+extern "C" const char* DataManager_GetStrValue(const char* varName)
+{
+    string& str = DataManager::GetValueRef(varName);
+    return str.c_str();
+}
+
+extern "C" const char* DataManager_GetCurrentStoragePath(void)
+{
+    string& str = DataManager::CGetCurrentStoragePath();
+    return str.c_str();
+}
+
+extern "C" const char* DataManager_GetSettingsStoragePath(void)
+{
+    string& str = DataManager::CGetSettingsStoragePath();
+    return str.c_str();
+}
+
+extern "C" const char* DataManager_GetCurrentStorageMount(void)
+{
+    string& str = DataManager::CGetCurrentStorageMount();
+    return str.c_str();
+}
+
+extern "C" const char* DataManager_GetSettingsStorageMount(void)
+{
+    string& str = DataManager::CGetSettingsStorageMount();
+    return str.c_str();
+}
+
+extern "C" int DataManager_GetIntValue(const char* varName)
+{
+    return DataManager::GetIntValue(varName);
+}
+
+extern "C" int DataManager_SetStrValue(const char* varName, char* value)
+{
+    return DataManager::SetValue(varName, value, 0);
+}
+
+extern "C" int DataManager_SetIntValue(const char* varName, int value)
+{
+    return DataManager::SetValue(varName, value, 0);
+}
+
+extern "C" int DataManager_SetFloatValue(const char* varName, float value)
+{
+    return DataManager::SetValue(varName, value, 0);
+}
+
+extern "C" int DataManager_ToggleIntValue(const char* varName)
+{
+    if (DataManager::GetIntValue(varName))
+        return DataManager::SetValue(varName, 0);
+    else
+        return DataManager::SetValue(varName, 1);
+}
+
+extern "C" void DataManager_DumpValues()
+{
+    return DataManager::DumpValues();
+}
+
+extern "C" void DataManager_ReadSettingsFile()
+{
+    return DataManager::ReadSettingsFile();
+}