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partitionmanager.cpp
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partitionmanager.cpp
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/* Partition Management classes for TWRP
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* The code was written from scratch by Dees_Troy dees_troy at
* yahoo
*
* Copyright (c) 2012
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <unistd.h>
#include <vector>
#include <dirent.h>
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <iostream>
#include <iomanip>
#include "variables.h"
#include "common.h"
#include "ui.h"
#include "partitions.hpp"
#include "data.hpp"
#include "twrp-functions.hpp"
#include "fixPermissions.hpp"
#include "twrpDigest.hpp"
#ifdef TW_INCLUDE_CRYPTO
#ifdef TW_INCLUDE_JB_CRYPTO
#include "crypto/jb/cryptfs.h"
#else
#include "crypto/ics/cryptfs.h"
#endif
#include "cutils/properties.h"
#endif
extern RecoveryUI* ui;
int TWPartitionManager::Process_Fstab(string Fstab_Filename, bool Display_Error) {
FILE *fstabFile;
char fstab_line[MAX_FSTAB_LINE_LENGTH];
fstabFile = fopen(Fstab_Filename.c_str(), "rt");
if (fstabFile == NULL) {
LOGE("Critical Error: Unable to open fstab at '%s'.\n", Fstab_Filename.c_str());
return false;
}
while (fgets(fstab_line, sizeof(fstab_line), fstabFile) != NULL) {
if (fstab_line[0] != '/')
continue;
if (fstab_line[strlen(fstab_line) - 1] != '\n')
fstab_line[strlen(fstab_line)] = '\n';
TWPartition* partition = new TWPartition();
string line = fstab_line;
memset(fstab_line, 0, sizeof(fstab_line));
if (partition->Process_Fstab_Line(line, Display_Error)) {
Partitions.push_back(partition);
} else {
delete partition;
}
}
fclose(fstabFile);
if (!Write_Fstab()) {
if (Display_Error)
LOGE("Error creating fstab\n");
else
LOGI("Error creating fstab\n");
}
Update_System_Details();
UnMount_Main_Partitions();
return true;
}
int TWPartitionManager::Write_Fstab(void) {
FILE *fp;
std::vector<TWPartition*>::iterator iter;
string Line;
fp = fopen("/etc/fstab", "w");
if (fp == NULL) {
LOGI("Can not open /etc/fstab.\n");
return false;
}
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Can_Be_Mounted) {
Line = (*iter)->Actual_Block_Device + " " + (*iter)->Mount_Point + " " + (*iter)->Current_File_System + " rw\n";
fputs(Line.c_str(), fp);
// Handle subpartition tracking
if ((*iter)->Is_SubPartition) {
TWPartition* ParentPartition = Find_Partition_By_Path((*iter)->SubPartition_Of);
if (ParentPartition)
ParentPartition->Has_SubPartition = true;
else
LOGE("Unable to locate parent partition '%s' of '%s'\n", (*iter)->SubPartition_Of.c_str(), (*iter)->Mount_Point.c_str());
}
}
}
fclose(fp);
return true;
}
void TWPartitionManager::Output_Partition_Logging(void) {
std::vector<TWPartition*>::iterator iter;
printf("\n\nPartition Logs:\n");
for (iter = Partitions.begin(); iter != Partitions.end(); iter++)
Output_Partition((*iter));
}
void TWPartitionManager::Output_Partition(TWPartition* Part) {
unsigned long long mb = 1048576;
printf("%s | %s | Size: %iMB", Part->Mount_Point.c_str(), Part->Actual_Block_Device.c_str(), (int)(Part->Size / mb));
if (Part->Can_Be_Mounted) {
printf(" Used: %iMB Free: %iMB Backup Size: %iMB", (int)(Part->Used / mb), (int)(Part->Free / mb), (int)(Part->Backup_Size / mb));
}
printf("\n Flags: ");
if (Part->Can_Be_Wiped)
printf("Can_Be_Wiped ");
if (Part->Wipe_During_Factory_Reset)
printf("Wipe_During_Factory_Reset ");
if (Part->Wipe_Available_in_GUI)
printf("Wipe_Available_in_GUI ");
if (Part->Is_SubPartition)
printf("Is_SubPartition ");
if (Part->Has_SubPartition)
printf("Has_SubPartition ");
if (Part->Removable)
printf("Removable ");
if (Part->Is_Present)
printf("IsPresent ");
if (Part->Can_Be_Encrypted)
printf("Can_Be_Encrypted ");
if (Part->Is_Encrypted)
printf("Is_Encrypted ");
if (Part->Is_Decrypted)
printf("Is_Decrypted ");
if (Part->Has_Data_Media)
printf("Has_Data_Media ");
if (Part->Has_Android_Secure)
printf("Has_Android_Secure ");
if (Part->Is_Storage)
printf("Is_Storage ");
if (Part->Ignore_Blkid)
printf("Ignore_Blkid ");
if (Part->Retain_Layout_Version)
printf("Retain_Layout_Version ");
printf("\n");
if (!Part->SubPartition_Of.empty())
printf(" SubPartition_Of: %s\n", Part->SubPartition_Of.c_str());
if (!Part->Symlink_Path.empty())
printf(" Symlink_Path: %s\n", Part->Symlink_Path.c_str());
if (!Part->Symlink_Mount_Point.empty())
printf(" Symlink_Mount_Point: %s\n", Part->Symlink_Mount_Point.c_str());
if (!Part->Primary_Block_Device.empty())
printf(" Primary_Block_Device: %s\n", Part->Primary_Block_Device.c_str());
if (!Part->Alternate_Block_Device.empty())
printf(" Alternate_Block_Device: %s\n", Part->Alternate_Block_Device.c_str());
if (!Part->Decrypted_Block_Device.empty())
printf(" Decrypted_Block_Device: %s\n", Part->Decrypted_Block_Device.c_str());
if (Part->Length != 0)
printf(" Length: %i\n", Part->Length);
if (!Part->Display_Name.empty())
printf(" Display_Name: %s\n", Part->Display_Name.c_str());
if (!Part->Backup_Path.empty())
printf(" Backup_Path: %s\n", Part->Backup_Path.c_str());
if (!Part->Backup_Name.empty())
printf(" Backup_Name: %s\n", Part->Backup_Name.c_str());
if (!Part->Backup_FileName.empty())
printf(" Backup_FileName: %s\n", Part->Backup_FileName.c_str());
if (!Part->Storage_Path.empty())
printf(" Storage_Path: %s\n", Part->Storage_Path.c_str());
if (!Part->Current_File_System.empty())
printf(" Current_File_System: %s\n", Part->Current_File_System.c_str());
if (!Part->Fstab_File_System.empty())
printf(" Fstab_File_System: %s\n", Part->Fstab_File_System.c_str());
if (Part->Format_Block_Size != 0)
printf(" Format_Block_Size: %i\n", Part->Format_Block_Size);
if (!Part->MTD_Name.empty())
printf(" MTD_Name: %s\n", Part->MTD_Name.c_str());
string back_meth = Part->Backup_Method_By_Name();
printf(" Backup_Method: %s\n\n", back_meth.c_str());
}
int TWPartitionManager::Mount_By_Path(string Path, bool Display_Error) {
std::vector<TWPartition*>::iterator iter;
int ret = false;
bool found = false;
string Local_Path = TWFunc::Get_Root_Path(Path);
if (Local_Path == "/tmp")
return true;
// Iterate through all partitions
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) {
ret = (*iter)->Mount(Display_Error);
found = true;
} else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) {
(*iter)->Mount(Display_Error);
}
}
if (found) {
return ret;
} else if (Display_Error) {
LOGE("Mount: Unable to find partition for path '%s'\n", Local_Path.c_str());
} else {
LOGI("Mount: Unable to find partition for path '%s'\n", Local_Path.c_str());
}
return false;
}
int TWPartitionManager::Mount_By_Block(string Block, bool Display_Error) {
TWPartition* Part = Find_Partition_By_Block(Block);
if (Part) {
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point)
(*subpart)->Mount(Display_Error);
}
return Part->Mount(Display_Error);
} else
return Part->Mount(Display_Error);
}
if (Display_Error)
LOGE("Mount: Unable to find partition for block '%s'\n", Block.c_str());
else
LOGI("Mount: Unable to find partition for block '%s'\n", Block.c_str());
return false;
}
int TWPartitionManager::Mount_By_Name(string Name, bool Display_Error) {
TWPartition* Part = Find_Partition_By_Name(Name);
if (Part) {
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point)
(*subpart)->Mount(Display_Error);
}
return Part->Mount(Display_Error);
} else
return Part->Mount(Display_Error);
}
if (Display_Error)
LOGE("Mount: Unable to find partition for name '%s'\n", Name.c_str());
else
LOGI("Mount: Unable to find partition for name '%s'\n", Name.c_str());
return false;
}
int TWPartitionManager::UnMount_By_Path(string Path, bool Display_Error) {
std::vector<TWPartition*>::iterator iter;
int ret = false;
bool found = false;
string Local_Path = TWFunc::Get_Root_Path(Path);
// Iterate through all partitions
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path)) {
ret = (*iter)->UnMount(Display_Error);
found = true;
} else if ((*iter)->Is_SubPartition && (*iter)->SubPartition_Of == Local_Path) {
(*iter)->UnMount(Display_Error);
}
}
if (found) {
return ret;
} else if (Display_Error) {
LOGE("UnMount: Unable to find partition for path '%s'\n", Local_Path.c_str());
} else {
LOGI("UnMount: Unable to find partition for path '%s'\n", Local_Path.c_str());
}
return false;
}
int TWPartitionManager::UnMount_By_Block(string Block, bool Display_Error) {
TWPartition* Part = Find_Partition_By_Block(Block);
if (Part) {
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point)
(*subpart)->UnMount(Display_Error);
}
return Part->UnMount(Display_Error);
} else
return Part->UnMount(Display_Error);
}
if (Display_Error)
LOGE("UnMount: Unable to find partition for block '%s'\n", Block.c_str());
else
LOGI("UnMount: Unable to find partition for block '%s'\n", Block.c_str());
return false;
}
int TWPartitionManager::UnMount_By_Name(string Name, bool Display_Error) {
TWPartition* Part = Find_Partition_By_Name(Name);
if (Part) {
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point)
(*subpart)->UnMount(Display_Error);
}
return Part->UnMount(Display_Error);
} else
return Part->UnMount(Display_Error);
}
if (Display_Error)
LOGE("UnMount: Unable to find partition for name '%s'\n", Name.c_str());
else
LOGI("UnMount: Unable to find partition for name '%s'\n", Name.c_str());
return false;
}
int TWPartitionManager::Is_Mounted_By_Path(string Path) {
TWPartition* Part = Find_Partition_By_Path(Path);
if (Part)
return Part->Is_Mounted();
else
LOGI("Is_Mounted: Unable to find partition for path '%s'\n", Path.c_str());
return false;
}
int TWPartitionManager::Is_Mounted_By_Block(string Block) {
TWPartition* Part = Find_Partition_By_Block(Block);
if (Part)
return Part->Is_Mounted();
else
LOGI("Is_Mounted: Unable to find partition for block '%s'\n", Block.c_str());
return false;
}
int TWPartitionManager::Is_Mounted_By_Name(string Name) {
TWPartition* Part = Find_Partition_By_Name(Name);
if (Part)
return Part->Is_Mounted();
else
LOGI("Is_Mounted: Unable to find partition for name '%s'\n", Name.c_str());
return false;
}
int TWPartitionManager::Mount_Current_Storage(bool Display_Error) {
string current_storage_path = DataManager::GetCurrentStoragePath();
if (Mount_By_Path(current_storage_path, Display_Error)) {
TWPartition* FreeStorage = Find_Partition_By_Path(current_storage_path);
if (FreeStorage)
DataManager::SetValue(TW_STORAGE_FREE_SIZE, (int)(FreeStorage->Free / 1048576LLU));
return true;
}
return false;
}
int TWPartitionManager::Mount_Settings_Storage(bool Display_Error) {
return Mount_By_Path(DataManager::GetSettingsStoragePath(), Display_Error);
}
TWPartition* TWPartitionManager::Find_Partition_By_Path(string Path) {
std::vector<TWPartition*>::iterator iter;
string Local_Path = TWFunc::Get_Root_Path(Path);
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Mount_Point == Local_Path || (!(*iter)->Symlink_Mount_Point.empty() && (*iter)->Symlink_Mount_Point == Local_Path))
return (*iter);
}
return NULL;
}
TWPartition* TWPartitionManager::Find_Partition_By_Block(string Block) {
std::vector<TWPartition*>::iterator iter;
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Primary_Block_Device == Block || (*iter)->Alternate_Block_Device == Block || ((*iter)->Is_Decrypted && (*iter)->Decrypted_Block_Device == Block))
return (*iter);
}
return NULL;
}
TWPartition* TWPartitionManager::Find_Partition_By_Name(string Name) {
std::vector<TWPartition*>::iterator iter;
for (iter = Partitions.begin(); iter != Partitions.end(); iter++) {
if ((*iter)->Display_Name == Name)
return (*iter);
}
return NULL;
}
int TWPartitionManager::Check_Backup_Name(bool Display_Error) {
// Check the backup name to ensure that it is the correct size and contains only valid characters
// and that a backup with that name doesn't already exist
char backup_name[MAX_BACKUP_NAME_LEN];
char backup_loc[255], tw_image_dir[255];
int copy_size;
int index, cur_char;
string Backup_Name, Backup_Loc;
DataManager::GetValue(TW_BACKUP_NAME, Backup_Name);
copy_size = Backup_Name.size();
// Check size
if (copy_size > MAX_BACKUP_NAME_LEN) {
if (Display_Error)
LOGE("Backup name is too long.\n");
return -2;
}
// Check each character
strncpy(backup_name, Backup_Name.c_str(), copy_size);
if (strcmp(backup_name, "0") == 0)
return 0; // A "0" (zero) means to use the current timestamp for the backup name
for (index=0; index<copy_size; index++) {
cur_char = (int)backup_name[index];
if (cur_char == 32 || (cur_char >= 48 && cur_char <= 57) || (cur_char >= 65 && cur_char <= 91) || cur_char == 93 || cur_char == 95 || (cur_char >= 97 && cur_char <= 123) || cur_char == 125 || cur_char == 45 || cur_char == 46) {
// These are valid characters
// Numbers
// Upper case letters
// Lower case letters
// Space
// and -_.{}[]
} else {
if (Display_Error)
LOGE("Backup name '%s' contains invalid character: '%c'\n", backup_name, (char)cur_char);
return -3;
}
}
// Check to make sure that a backup with this name doesn't already exist
DataManager::GetValue(TW_BACKUPS_FOLDER_VAR, Backup_Loc);
strcpy(backup_loc, Backup_Loc.c_str());
sprintf(tw_image_dir,"%s/%s/.", backup_loc, backup_name);
if (TWFunc::Path_Exists(tw_image_dir)) {
if (Display_Error)
LOGE("A backup with this name already exists.\n");
return -4;
}
// No problems found, return 0
return 0;
}
bool TWPartitionManager::Make_MD5(bool generate_md5, string Backup_Folder, string Backup_Filename)
{
string command;
string Full_File = Backup_Folder + Backup_Filename;
string result;
twrpDigest md5sum;
if (!generate_md5)
return true;
TWFunc::GUI_Operation_Text(TW_GENERATE_MD5_TEXT, "Generating MD5");
ui_print(" * Generating md5...\n");
if (TWFunc::Path_Exists(Full_File)) {
md5sum.setfn(Backup_Folder + Backup_Filename);
if (md5sum.computeMD5() == 0)
if (md5sum.write_md5digest() == 0)
ui_print(" * MD5 Created.\n");
else
return -1;
else
ui_print(" * MD5 Error!\n");
} else {
char filename[512];
int index = 0;
string strfn;
sprintf(filename, "%s%03i", Full_File.c_str(), index);
strfn = filename;
while (TWFunc::Path_Exists(filename) == true) {
md5sum.setfn(filename);
if (md5sum.computeMD5() == 0) {
if (md5sum.write_md5digest() != 0)
{
ui_print(" * MD5 Error.\n");
return false;
}
}
else {
return -1;
}
index++;
sprintf(filename, "%s%03i", Full_File.c_str(), index);
strfn = filename;
}
if (index == 0) {
LOGE("Backup file: '%s' not found!\n", filename);
return false;
}
ui_print(" * MD5 Created.\n");
}
return true;
}
bool TWPartitionManager::Backup_Partition(TWPartition* Part, string Backup_Folder, bool generate_md5, unsigned long long* img_bytes_remaining, unsigned long long* file_bytes_remaining, unsigned long *img_time, unsigned long *file_time, unsigned long long *img_bytes, unsigned long long *file_bytes) {
time_t start, stop;
int img_bps;
unsigned long long file_bps;
unsigned long total_time, remain_time, section_time;
int use_compression, backup_time;
float pos;
if (Part == NULL)
return true;
DataManager::GetValue(TW_BACKUP_AVG_IMG_RATE, img_bps);
DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
if (use_compression)
DataManager::GetValue(TW_BACKUP_AVG_FILE_COMP_RATE, file_bps);
else
DataManager::GetValue(TW_BACKUP_AVG_FILE_RATE, file_bps);
// We know the speed for both, how far into the whole backup are we, based on time
total_time = (*img_bytes / (unsigned long)img_bps) + (*file_bytes / (unsigned long)file_bps);
remain_time = (*img_bytes_remaining / (unsigned long)img_bps) + (*file_bytes_remaining / (unsigned long)file_bps);
pos = (total_time - remain_time) / (float) total_time;
ui->SetProgress(pos);
LOGI("Estimated Total time: %lu Estimated remaining time: %lu\n", total_time, remain_time);
// And get the time
if (Part->Backup_Method == 1)
section_time = Part->Backup_Size / file_bps;
else
section_time = Part->Backup_Size / img_bps;
// Set the position
pos = section_time / (float) total_time;
ui->ShowProgress(pos, section_time);
time(&start);
if (Part->Backup(Backup_Folder)) {
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point) {
if (!(*subpart)->Backup(Backup_Folder))
return false;
if (!Make_MD5(generate_md5, Backup_Folder, (*subpart)->Backup_FileName))
return false;
if (Part->Backup_Method == 1) {
*file_bytes_remaining -= (*subpart)->Backup_Size;
} else {
*img_bytes_remaining -= (*subpart)->Backup_Size;
}
}
}
}
time(&stop);
backup_time = (int) difftime(stop, start);
LOGI("Partition Backup time: %d\n", backup_time);
if (Part->Backup_Method == 1) {
*file_bytes_remaining -= Part->Backup_Size;
*file_time += backup_time;
} else {
*img_bytes_remaining -= Part->Backup_Size;
*img_time += backup_time;
}
return Make_MD5(generate_md5, Backup_Folder, Part->Backup_FileName);
} else {
return false;
}
}
int TWPartitionManager::Run_Backup(void) {
int check, do_md5, partition_count = 0;
string Backup_Folder, Backup_Name, Full_Backup_Path;
unsigned long long total_bytes = 0, file_bytes = 0, img_bytes = 0, free_space = 0, img_bytes_remaining, file_bytes_remaining, subpart_size;
unsigned long img_time = 0, file_time = 0;
TWPartition* backup_sys = NULL;
TWPartition* backup_data = NULL;
TWPartition* backup_cache = NULL;
TWPartition* backup_recovery = NULL;
TWPartition* backup_boot = NULL;
TWPartition* backup_andsec = NULL;
TWPartition* backup_sdext = NULL;
TWPartition* backup_sp1 = NULL;
TWPartition* backup_sp2 = NULL;
TWPartition* backup_sp3 = NULL;
TWPartition* storage = NULL;
std::vector<TWPartition*>::iterator subpart;
struct tm *t;
time_t start, stop, seconds, total_start, total_stop;
seconds = time(0);
t = localtime(&seconds);
time(&total_start);
Update_System_Details();
if (!Mount_Current_Storage(true))
return false;
DataManager::GetValue(TW_SKIP_MD5_GENERATE_VAR, do_md5);
if (do_md5 == 0)
do_md5 = true;
else
do_md5 = false;
DataManager::GetValue(TW_BACKUPS_FOLDER_VAR, Backup_Folder);
DataManager::GetValue(TW_BACKUP_NAME, Backup_Name);
if (Backup_Name == "(Current Date)" || Backup_Name == "0" || Backup_Name.empty()) {
char timestamp[255];
sprintf(timestamp,"%04d-%02d-%02d--%02d-%02d-%02d",t->tm_year+1900,t->tm_mon+1,t->tm_mday,t->tm_hour,t->tm_min,t->tm_sec);
Backup_Name = timestamp;
}
LOGI("Backup Name is: '%s'\n", Backup_Name.c_str());
Full_Backup_Path = Backup_Folder + "/" + Backup_Name + "/";
LOGI("Full_Backup_Path is: '%s'\n", Full_Backup_Path.c_str());
LOGI("Calculating backup details...\n");
DataManager::GetValue(TW_BACKUP_SYSTEM_VAR, check);
if (check) {
backup_sys = Find_Partition_By_Path("/system");
if (backup_sys != NULL) {
partition_count++;
if (backup_sys->Backup_Method == 1) {
file_bytes += backup_sys->Backup_Size;
}
else
img_bytes += backup_sys->Backup_Size;
} else {
LOGE("Unable to locate system partition.\n");
DataManager::SetValue(TW_BACKUP_SYSTEM_VAR, 0);
}
}
DataManager::GetValue(TW_BACKUP_DATA_VAR, check);
if (check) {
backup_data = Find_Partition_By_Path("/data");
if (backup_data != NULL) {
partition_count++;
subpart_size = 0;
if (backup_data->Has_SubPartition) {
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == backup_data->Mount_Point)
subpart_size += (*subpart)->Backup_Size;
}
}
if (backup_data->Backup_Method == 1)
file_bytes += backup_data->Backup_Size + subpart_size;
else
img_bytes += backup_data->Backup_Size + subpart_size;
} else {
LOGE("Unable to locate data partition.\n");
DataManager::SetValue(TW_BACKUP_DATA_VAR, 0);
}
}
DataManager::GetValue(TW_BACKUP_CACHE_VAR, check);
if (check) {
backup_cache = Find_Partition_By_Path("/cache");
if (backup_cache != NULL) {
partition_count++;
if (backup_cache->Backup_Method == 1)
file_bytes += backup_cache->Backup_Size;
else
img_bytes += backup_cache->Backup_Size;
} else {
LOGE("Unable to locate cache partition.\n");
DataManager::SetValue(TW_BACKUP_CACHE_VAR, 0);
}
}
DataManager::GetValue(TW_BACKUP_RECOVERY_VAR, check);
if (check) {
backup_recovery = Find_Partition_By_Path("/recovery");
if (backup_recovery != NULL) {
partition_count++;
if (backup_recovery->Backup_Method == 1)
file_bytes += backup_recovery->Backup_Size;
else
img_bytes += backup_recovery->Backup_Size;
} else {
LOGE("Unable to locate recovery partition.\n");
DataManager::SetValue(TW_BACKUP_RECOVERY_VAR, 0);
}
}
#ifndef TW_HAS_NO_BOOT_PARTITION
DataManager::GetValue(TW_BACKUP_BOOT_VAR, check);
if (check) {
backup_boot = Find_Partition_By_Path("/boot");
if (backup_boot != NULL) {
partition_count++;
if (backup_boot->Backup_Method == 1)
file_bytes += backup_boot->Backup_Size;
else
img_bytes += backup_boot->Backup_Size;
} else {
LOGE("Unable to locate boot partition.\n");
DataManager::SetValue(TW_BACKUP_BOOT_VAR, 0);
}
}
#endif
DataManager::GetValue(TW_BACKUP_ANDSEC_VAR, check);
if (check) {
backup_andsec = Find_Partition_By_Path("/and-sec");
if (backup_andsec != NULL) {
partition_count++;
if (backup_andsec->Backup_Method == 1)
file_bytes += backup_andsec->Backup_Size;
else
img_bytes += backup_andsec->Backup_Size;
} else {
LOGE("Unable to locate android secure partition.\n");
DataManager::SetValue(TW_BACKUP_ANDSEC_VAR, 0);
}
}
DataManager::GetValue(TW_BACKUP_SDEXT_VAR, check);
if (check) {
backup_sdext = Find_Partition_By_Path("/sd-ext");
if (backup_sdext != NULL) {
partition_count++;
if (backup_sdext->Backup_Method == 1)
file_bytes += backup_sdext->Backup_Size;
else
img_bytes += backup_sdext->Backup_Size;
} else {
LOGE("Unable to locate sd-ext partition.\n");
DataManager::SetValue(TW_BACKUP_SDEXT_VAR, 0);
}
}
#ifdef SP1_NAME
DataManager::GetValue(TW_BACKUP_SP1_VAR, check);
if (check) {
backup_sp1 = Find_Partition_By_Path(EXPAND(SP1_NAME));
if (backup_sp1 != NULL) {
partition_count++;
if (backup_sp1->Backup_Method == 1)
file_bytes += backup_sp1->Backup_Size;
else
img_bytes += backup_sp1->Backup_Size;
} else {
LOGE("Unable to locate %s partition.\n", EXPAND(SP1_NAME));
DataManager::SetValue(TW_BACKUP_SP1_VAR, 0);
}
}
#endif
#ifdef SP2_NAME
DataManager::GetValue(TW_BACKUP_SP2_VAR, check);
if (check) {
backup_sp2 = Find_Partition_By_Path(EXPAND(SP2_NAME));
if (backup_sp2 != NULL) {
partition_count++;
if (backup_sp2->Backup_Method == 1)
file_bytes += backup_sp2->Backup_Size;
else
img_bytes += backup_sp2->Backup_Size;
} else {
LOGE("Unable to locate %s partition.\n", EXPAND(SP2_NAME));
DataManager::SetValue(TW_BACKUP_SP2_VAR, 0);
}
}
#endif
#ifdef SP3_NAME
DataManager::GetValue(TW_BACKUP_SP3_VAR, check);
if (check) {
backup_sp3 = Find_Partition_By_Path(EXPAND(SP3_NAME));
if (backup_sp3 != NULL) {
partition_count++;
if (backup_sp3->Backup_Method == 1)
file_bytes += backup_sp3->Backup_Size;
else
img_bytes += backup_sp3->Backup_Size;
} else {
LOGE("Unable to locate %s partition.\n", EXPAND(SP3_NAME));
DataManager::SetValue(TW_BACKUP_SP3_VAR, 0);
}
}
#endif
if (partition_count == 0) {
ui_print("No partitions selected for backup.\n");
return false;
}
total_bytes = file_bytes + img_bytes;
ui_print(" * Total number of partitions to back up: %d\n", partition_count);
ui_print(" * Total size of all data: %lluMB\n", total_bytes / 1024 / 1024);
storage = Find_Partition_By_Path(DataManager::GetCurrentStoragePath());
if (storage != NULL) {
free_space = storage->Free;
ui_print(" * Available space: %lluMB\n", free_space / 1024 / 1024);
} else {
LOGE("Unable to locate storage device.\n");
return false;
}
if (free_space - (32 * 1024 * 1024) < total_bytes) {
// We require an extra 32MB just in case
LOGE("Not enough free space on storage.\n");
return false;
}
img_bytes_remaining = img_bytes;
file_bytes_remaining = file_bytes;
ui_print("\n[BACKUP STARTED]\n");
ui_print(" * Backup Folder: %s\n", Full_Backup_Path.c_str());
if (!TWFunc::Recursive_Mkdir(Full_Backup_Path)) {
LOGE("Failed to make backup folder.\n");
return false;
}
ui->SetProgress(0.0);
if (!Backup_Partition(backup_sys, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_data, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_cache, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_recovery, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_boot, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_andsec, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_sdext, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_sp1, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_sp2, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
if (!Backup_Partition(backup_sp3, Full_Backup_Path, do_md5, &img_bytes_remaining, &file_bytes_remaining, &img_time, &file_time, &img_bytes, &file_bytes))
return false;
// Average BPS
if (img_time == 0)
img_time = 1;
if (file_time == 0)
file_time = 1;
int img_bps = (int)img_bytes / (int)img_time;
unsigned long long file_bps = file_bytes / (int)file_time;
ui_print("Average backup rate for file systems: %llu MB/sec\n", (file_bps / (1024 * 1024)));
ui_print("Average backup rate for imaged drives: %lu MB/sec\n", (img_bps / (1024 * 1024)));
time(&total_stop);
int total_time = (int) difftime(total_stop, total_start);
unsigned long long actual_backup_size = TWFunc::Get_Folder_Size(Full_Backup_Path, true);
actual_backup_size /= (1024LLU * 1024LLU);
int prev_img_bps, use_compression;
unsigned long long prev_file_bps;
DataManager::GetValue(TW_BACKUP_AVG_IMG_RATE, prev_img_bps);
img_bps += (prev_img_bps * 4);
img_bps /= 5;
DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
if (use_compression)
DataManager::GetValue(TW_BACKUP_AVG_FILE_COMP_RATE, prev_file_bps);
else
DataManager::GetValue(TW_BACKUP_AVG_FILE_RATE, prev_file_bps);
file_bps += (prev_file_bps * 4);
file_bps /= 5;
DataManager::SetValue(TW_BACKUP_AVG_IMG_RATE, img_bps);
if (use_compression)
DataManager::SetValue(TW_BACKUP_AVG_FILE_COMP_RATE, file_bps);
else
DataManager::SetValue(TW_BACKUP_AVG_FILE_RATE, file_bps);
ui_print("[%llu MB TOTAL BACKED UP]\n", actual_backup_size);
Update_System_Details();
UnMount_Main_Partitions();
ui_print("[BACKUP COMPLETED IN %d SECONDS]\n\n", total_time); // the end
string backup_log = Full_Backup_Path + "recovery.log";
TWFunc::copy_file("/tmp/recovery.log", backup_log, 0644);
return true;
}
bool TWPartitionManager::Restore_Partition(TWPartition* Part, string Restore_Name, int partition_count) {
time_t Start, Stop;
time(&Start);
ui->ShowProgress(1.0 / (float)partition_count, 150);
if (!Part->Restore(Restore_Name))
return false;
if (Part->Has_SubPartition) {
std::vector<TWPartition*>::iterator subpart;
for (subpart = Partitions.begin(); subpart != Partitions.end(); subpart++) {
if ((*subpart)->Is_SubPartition && (*subpart)->SubPartition_Of == Part->Mount_Point) {
if (!(*subpart)->Restore(Restore_Name))
return false;
}
}
}
time(&Stop);
ui_print("[%s done (%d seconds)]\n\n", Part->Display_Name.c_str(), (int)difftime(Stop, Start));
return true;
}
int TWPartitionManager::Run_Restore(string Restore_Name) {
int check_md5, check, partition_count = 0;
TWPartition* restore_sys = NULL;
TWPartition* restore_data = NULL;
TWPartition* restore_cache = NULL;
TWPartition* restore_boot = NULL;
TWPartition* restore_andsec = NULL;
TWPartition* restore_sdext = NULL;
TWPartition* restore_sp1 = NULL;
TWPartition* restore_sp2 = NULL;
TWPartition* restore_sp3 = NULL;
time_t rStart, rStop;
time(&rStart);
ui_print("\n[RESTORE STARTED]\n\n");
ui_print("Restore folder: '%s'\n", Restore_Name.c_str());
if (!Mount_Current_Storage(true))
return false;
DataManager::GetValue(TW_SKIP_MD5_CHECK_VAR, check_md5);
DataManager::GetValue(TW_RESTORE_SYSTEM_VAR, check);
if (check > 0) {
restore_sys = Find_Partition_By_Path("/system");
if (restore_sys == NULL) {
LOGE("Unable to locate system partition.\n");
} else {
partition_count++;
}
}
DataManager::GetValue(TW_RESTORE_DATA_VAR, check);
if (check > 0) {
restore_data = Find_Partition_By_Path("/data");
if (restore_data == NULL) {
LOGE("Unable to locate data partition.\n");
} else {
partition_count++;
}
}
DataManager::GetValue(TW_RESTORE_CACHE_VAR, check);
if (check > 0) {
restore_cache = Find_Partition_By_Path("/cache");
if (restore_cache == NULL) {
LOGE("Unable to locate cache partition.\n");
} else {
partition_count++;
}
}
#ifndef TW_HAS_NO_BOOT_PARTITION
DataManager::GetValue(TW_RESTORE_BOOT_VAR, check);
if (check > 0) {
restore_boot = Find_Partition_By_Path("/boot");
if (restore_boot == NULL) {
LOGE("Unable to locate boot partition.\n");
} else {
partition_count++;
}
}
#endif
DataManager::GetValue(TW_RESTORE_ANDSEC_VAR, check);
if (check > 0) {
restore_andsec = Find_Partition_By_Path("/and-sec");
if (restore_andsec == NULL) {
LOGE("Unable to locate android secure partition.\n");
} else {
partition_count++;
}
}
DataManager::GetValue(TW_RESTORE_SDEXT_VAR, check);
if (check > 0) {
restore_sdext = Find_Partition_By_Path("/sd-ext");
if (restore_sdext == NULL) {
LOGE("Unable to locate sd-ext partition.\n");
} else {
partition_count++;