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-rw-r--r--partition.cpp261
1 files changed, 130 insertions, 131 deletions
diff --git a/partition.cpp b/partition.cpp
index f5173b13d..7eac409f4 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -28,6 +28,8 @@
#include <sys/mount.h>
#include <unistd.h>
#include <dirent.h>
+#include <iostream>
+#include <sstream>
#ifdef TW_INCLUDE_CRYPTO
#include "cutils/properties.h"
@@ -38,12 +40,14 @@
#include "partitions.hpp"
#include "data.hpp"
#include "twrp-functions.hpp"
-#include "makelist.hpp"
+#include "twrpTar.hpp"
extern "C" {
#include "mtdutils/mtdutils.h"
#include "mtdutils/mounts.h"
}
+using namespace std;
+
TWPartition::TWPartition(void) {
Can_Be_Mounted = false;
Can_Be_Wiped = false;
@@ -94,7 +98,6 @@ bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
int line_len = Line.size(), index = 0, item_index = 0;
char* ptr;
string Flags;
-
strncpy(full_line, Line.c_str(), line_len);
for (index = 0; index < line_len; index++) {
@@ -240,9 +243,9 @@ bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
Wipe_Available_in_GUI = true;
Wipe_During_Factory_Reset = true;
if (Mount(false) && !TWFunc::Path_Exists("/cache/recovery/.")) {
- string Recreate_Command = "cd /cache && mkdir recovery";
LOGI("Recreating /cache/recovery folder.\n");
- system(Recreate_Command.c_str());
+ if (mkdir("/cache/recovery", S_IRWXU | S_IRWXG | S_IWGRP | S_IXGRP) != 0)
+ return -1;
}
} else if (Mount_Point == "/datadata") {
Wipe_During_Factory_Reset = true;
@@ -303,7 +306,6 @@ bool TWPartition::Process_Fstab_Line(string Line, bool Display_Error) {
// Process any custom flags
if (Flags.size() > 0)
Process_Flags(Flags, Display_Error);
-
return true;
}
@@ -474,7 +476,7 @@ void TWPartition::Find_Real_Block_Device(string& Block, bool Display_Error) {
void TWPartition::Mount_Storage_Retry(void) {
// On some devices, storage doesn't want to mount right away, retry and sleep
- if (!Mount(false)) {
+ if (!Mount(true)) {
int retry_count = 5;
while (retry_count > 0 && !Mount(false)) {
usleep(500000);
@@ -553,13 +555,14 @@ bool TWPartition::Get_Size_Via_df(bool Display_Error) {
char command[255], line[512];
int include_block = 1;
unsigned int min_len;
+ string result;
if (!Mount(Display_Error))
return false;
min_len = Actual_Block_Device.size() + 2;
sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
- system(command);
+ TWFunc::Exec_Cmd(command, result);
fp = fopen("/tmp/dfoutput.txt", "rt");
if (fp == NULL) {
LOGI("Unable to open /tmp/dfoutput.txt.\n");
@@ -663,7 +666,6 @@ bool TWPartition::Mount(bool Display_Error) {
// Check the current file system before mounting
Check_FS_Type();
-
if (Fstab_File_System == "yaffs2") {
// mount an MTD partition as a YAFFS2 filesystem.
mtd_scan_partitions();
@@ -682,6 +684,12 @@ bool TWPartition::Mount(bool Display_Error) {
return false;
} else
return true;
+ } else if (Fstab_File_System == "exfat") {
+ string cmd = "/sbin/exfat-fuse " + Actual_Block_Device + " " + Mount_Point;
+ LOGI("cmd: %s\n", cmd.c_str());
+ string result;
+ if (TWFunc::Exec_Cmd(cmd, result) != 0)
+ return false;
} else if (mount(Actual_Block_Device.c_str(), Mount_Point.c_str(), Current_File_System.c_str(), 0, NULL) != 0) {
if (Display_Error)
LOGE("Unable to mount '%s'\n", Mount_Point.c_str());
@@ -694,10 +702,7 @@ bool TWPartition::Mount(bool Display_Error) {
Update_Size(Display_Error);
if (!Symlink_Mount_Point.empty()) {
- string Command;
-
- Command = "mount " + Symlink_Path + " " + Symlink_Mount_Point;
- system(Command.c_str());
+ mount(Symlink_Path.c_str(), Symlink_Mount_Point.c_str(), Fstab_File_System.c_str(), NULL, NULL);
}
return true;
}
@@ -752,6 +757,8 @@ bool TWPartition::Wipe(string New_File_System) {
wiped = Wipe_EXT23(New_File_System);
else if (New_File_System == "vfat")
wiped = Wipe_FAT();
+ if (New_File_System == "exfat")
+ wiped = Wipe_EXFAT();
else if (New_File_System == "yaffs2")
wiped = Wipe_MTD();
else {
@@ -786,16 +793,11 @@ bool TWPartition::Wipe_AndSec(void) {
if (!Has_Android_Secure)
return false;
- char cmd[512];
-
if (!Mount(true))
return false;
- ui_print("Using rm -rf on .android_secure\n");
- sprintf(cmd, "rm -rf %s/.android_secure/* && rm -rf %s/.android_secure/.*", Mount_Point.c_str(), Mount_Point.c_str());
-
- LOGI("rm -rf command is: '%s'\n", cmd);
- system(cmd);
+ ui_print("Wiping .android_secure\n");
+ TWFunc::removeDir(Mount_Point + "/.android_secure/", true);
return true;
}
@@ -917,9 +919,8 @@ bool TWPartition::Wipe_Encryption() {
}
void TWPartition::Check_FS_Type() {
- FILE *fp;
- string blkCommand;
- char blkOutput[255];
+ string blkCommand, result;
+ string blkOutput;
char* blk;
char* arg;
char* ptr;
@@ -931,18 +932,13 @@ void TWPartition::Check_FS_Type() {
if (!Is_Present)
return;
- if (TWFunc::Path_Exists("/tmp/blkidoutput.txt"))
- system("rm /tmp/blkidoutput.txt");
-
- blkCommand = "blkid " + Actual_Block_Device + " > /tmp/blkidoutput.txt";
- system(blkCommand.c_str());
- fp = fopen("/tmp/blkidoutput.txt", "rt");
- if (fp == NULL)
- return;
- while (fgets(blkOutput, sizeof(blkOutput), fp) != NULL)
+ blkCommand = "blkid " + Actual_Block_Device;
+ TWFunc::Exec_Cmd(blkCommand, result);
+ std::stringstream line(result);
+ while (getline(line, blkOutput))
{
- blk = blkOutput;
- ptr = blkOutput;
+ blk = (char*) blkOutput.c_str();
+ ptr = (char*) blkOutput.c_str();
while (*ptr > 32 && *ptr != ':') ptr++;
if (*ptr == 0) continue;
*ptr = 0;
@@ -981,13 +977,11 @@ void TWPartition::Check_FS_Type() {
}
else
continue;
-
- if (strcmp(Current_File_System.c_str(), arg) != 0) {
+ if (Current_File_System != arg) {
LOGI("'%s' was '%s' now set to '%s'\n", Mount_Point.c_str(), Current_File_System.c_str(), arg);
Current_File_System = arg;
}
}
- fclose(fp);
return;
}
@@ -996,13 +990,13 @@ bool TWPartition::Wipe_EXT23(string File_System) {
return false;
if (TWFunc::Path_Exists("/sbin/mke2fs")) {
- char command[512];
+ string command, result;
ui_print("Formatting %s using mke2fs...\n", Display_Name.c_str());
Find_Actual_Block_Device();
- sprintf(command, "mke2fs -t %s -m 0 %s", File_System.c_str(), Actual_Block_Device.c_str());
- LOGI("mke2fs command: %s\n", command);
- if (system(command) == 0) {
+ command = "mke2fs -t " + File_System + " -m 0 " + Actual_Block_Device;
+ LOGI("mke2fs command: %s\n", command.c_str());
+ if (TWFunc::Exec_Cmd(command, result) == 0) {
Current_File_System = File_System;
Recreate_AndSec_Folder();
ui_print("Done.\n");
@@ -1022,7 +1016,7 @@ bool TWPartition::Wipe_EXT4() {
return false;
if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
- string Command;
+ string Command, result;
ui_print("Formatting %s using make_ext4fs...\n", Display_Name.c_str());
Find_Actual_Block_Device();
@@ -1036,7 +1030,7 @@ bool TWPartition::Wipe_EXT4() {
}
Command += " " + Actual_Block_Device;
LOGI("make_ext4fs command: %s\n", Command.c_str());
- if (system(Command.c_str()) == 0) {
+ if (TWFunc::Exec_Cmd(Command, result) == 0) {
Current_File_System = "ext4";
Recreate_AndSec_Folder();
ui_print("Done.\n");
@@ -1052,7 +1046,7 @@ bool TWPartition::Wipe_EXT4() {
}
bool TWPartition::Wipe_FAT() {
- char command[512];
+ string command, result;
if (TWFunc::Path_Exists("/sbin/mkdosfs")) {
if (!UnMount(true))
@@ -1060,8 +1054,8 @@ bool TWPartition::Wipe_FAT() {
ui_print("Formatting %s using mkdosfs...\n", Display_Name.c_str());
Find_Actual_Block_Device();
- sprintf(command,"mkdosfs %s", Actual_Block_Device.c_str()); // use mkdosfs to format it
- if (system(command) == 0) {
+ command = "mkdosfs " + Actual_Block_Device;
+ if (TWFunc::Exec_Cmd(command, result) == 0) {
Current_File_System = "vfat";
Recreate_AndSec_Folder();
ui_print("Done.\n");
@@ -1078,6 +1072,29 @@ bool TWPartition::Wipe_FAT() {
return false;
}
+bool TWPartition::Wipe_EXFAT() {
+ string command, result;
+
+ if (TWFunc::Path_Exists("/sbin/mkexfatfs")) {
+ if (!UnMount(true))
+ return false;
+
+ ui_print("Formatting %s using mkexfatfs...\n", Display_Name.c_str());
+ Find_Actual_Block_Device();
+ command = "mkexfatfs " + Actual_Block_Device;
+ if (TWFunc::Exec_Cmd(command, result) == 0) {
+ Recreate_AndSec_Folder();
+ ui_print("Done.\n");
+ return true;
+ } else {
+ LOGE("Unable to wipe '%s'.\n", Mount_Point.c_str());
+ return false;
+ }
+ return true;
+ }
+ return false;
+}
+
bool TWPartition::Wipe_MTD() {
if (!UnMount(true))
return false;
@@ -1112,22 +1129,17 @@ bool TWPartition::Wipe_MTD() {
}
bool TWPartition::Wipe_RMRF() {
- char cmd[512];
-
if (!Mount(true))
return false;
- ui_print("Using rm -rf on '%s'\n", Mount_Point.c_str());
- sprintf(cmd, "rm -rf %s/* && rm -rf %s/.*", Mount_Point.c_str(), Mount_Point.c_str());
-
- LOGI("rm -rf command is: '%s'\n", cmd);
- system(cmd);
+ ui_print("Removing all files under '%s'\n", Mount_Point.c_str());
+ TWFunc::removeDir(Mount_Point, true);
Recreate_AndSec_Folder();
- return true;
+ return true;
}
bool TWPartition::Wipe_Data_Without_Wiping_Media() {
- char cmd[256];
+ string dir;
// This handles wiping data on devices with "sdcard" in /data/media
if (!Mount(true))
@@ -1145,9 +1157,10 @@ bool TWPartition::Wipe_Data_Without_Wiping_Media() {
// The .layout_version file is responsible for determining whether 4.2 decides up upgrade
// the media folder for multi-user.
if (strcmp(de->d_name, "media") == 0 || strcmp(de->d_name, ".layout_version") == 0) continue;
-
- sprintf(cmd, "rm -fr /data/%s", de->d_name);
- system(cmd);
+
+ dir = "/data/";
+ dir.append(de->d_name);
+ TWFunc::removeDir(dir, false);
}
closedir(d);
ui_print("Done.\n");
@@ -1163,6 +1176,8 @@ bool TWPartition::Backup_Tar(string backup_folder) {
int use_compression, index, backup_count;
struct stat st;
unsigned long long total_bsize = 0, file_size;
+ twrpTar tar;
+ vector <string> files;
if (!Mount(true))
return false;
@@ -1176,48 +1191,32 @@ bool TWPartition::Backup_Tar(string backup_folder) {
}
DataManager::GetValue(TW_USE_COMPRESSION_VAR, use_compression);
- if (use_compression)
- Tar_Args = "-cz";
- else
- Tar_Args = "-c";
sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
Backup_FileName = back_name;
-
- if (Backup_Size > MAX_ARCHIVE_SIZE) {
+ Full_FileName = backup_folder + "/" + Backup_FileName;
+ if (Backup_Size > MAX_ARCHIVE_SIZE) {
// This backup needs to be split into multiple archives
- ui_print("Breaking backup file into multiple archives...\nGenerating file lists\n");
+ ui_print("Breaking backup file into multiple archives...\n");
sprintf(back_name, "%s", Backup_Path.c_str());
- backup_count = MakeList::Make_File_List(back_name);
- if (backup_count < 1) {
- LOGE("Error generating file list!\n");
+ backup_count = tar.Split_Archive(back_name, Full_FileName);
+ if (backup_count == -1) {
+ LOGE("Error tarring split files!\n");
return false;
}
- for (index=0; index<backup_count; index++) {
- sprintf(split_index, "%03i", index);
- Full_FileName = backup_folder + "/" + Backup_FileName + split_index;
- Command = "tar " + Tar_Args + " -f '" + Full_FileName + "' -T /tmp/list/filelist" + split_index;
- LOGI("Backup command: '%s'\n", Command.c_str());
- ui_print("Backup archive %i of %i...\n", (index + 1), backup_count);
- system(Command.c_str()); // sending backup command formed earlier above
-
- file_size = TWFunc::Get_File_Size(Full_FileName);
- if (file_size == 0) {
- LOGE("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str()); // oh noes! file size is 0, abort! abort!
- return false;
- }
- total_bsize += file_size;
- }
- ui_print(" * Total size: %llu bytes.\n", total_bsize);
- system("cd /tmp && rm -rf list");
+ return true;
} else {
Full_FileName = backup_folder + "/" + Backup_FileName;
- if (Has_Data_Media)
- Command = "cd " + Backup_Path + " && tar " + Tar_Args + " ./ --exclude='media*' -f '" + Full_FileName + "'";
- else
- Command = "cd " + Backup_Path + " && tar " + Tar_Args + " -f '" + Full_FileName + "' ./*";
- LOGI("Backup command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ if (use_compression) {
+ if (tar.createTGZ(Backup_Path, Full_FileName) != 0)
+ return false;
+ string gzname = Full_FileName + ".gz";
+ rename(gzname.c_str(), Full_FileName.c_str());
+ }
+ else {
+ if (tar.create(Backup_Path, Full_FileName) != 0)
+ return false;
+ }
if (TWFunc::Get_File_Size(Full_FileName) == 0) {
LOGE("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
return false;
@@ -1228,7 +1227,7 @@ bool TWPartition::Backup_Tar(string backup_folder) {
bool TWPartition::Backup_DD(string backup_folder) {
char back_name[255];
- string Full_FileName, Command;
+ string Full_FileName, Command, result;
int use_compression;
TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
@@ -1241,7 +1240,7 @@ bool TWPartition::Backup_DD(string backup_folder) {
Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'";
LOGI("Backup command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ TWFunc::Exec_Cmd(Command, result);
if (TWFunc::Get_File_Size(Full_FileName) == 0) {
LOGE("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
return false;
@@ -1251,7 +1250,7 @@ bool TWPartition::Backup_DD(string backup_folder) {
bool TWPartition::Backup_Dump_Image(string backup_folder) {
char back_name[255];
- string Full_FileName, Command;
+ string Full_FileName, Command, result;
int use_compression;
TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
@@ -1264,7 +1263,7 @@ bool TWPartition::Backup_Dump_Image(string backup_folder) {
Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
LOGI("Backup command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ TWFunc::Exec_Cmd(Command, result);
if (TWFunc::Get_File_Size(Full_FileName) == 0) {
// Actual size may not match backup size due to bad blocks on MTD devices so just check for 0 bytes
LOGE("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
@@ -1295,33 +1294,36 @@ bool TWPartition::Restore_Tar(string restore_folder, string Restore_File_System)
ui_print("Restoring %s...\n", Display_Name.c_str());
Full_FileName = restore_folder + "/" + Backup_FileName;
if (!TWFunc::Path_Exists(Full_FileName)) {
- // Backup is multiple archives
- LOGI("Backup is multiple archives.\n");
- sprintf(split_index, "%03i", index);
- Full_FileName = restore_folder + "/" + Backup_FileName + split_index;
- while (TWFunc::Path_Exists(Full_FileName)) {
- ui_print("Restoring archive %i...\n", index + 1);
- Command = "tar -xf '" + Full_FileName + "'";
- LOGI("Restore command: '%s'\n", Command.c_str());
- system(Command.c_str());
- index++;
+ if (!TWFunc::Path_Exists(Full_FileName)) {
+ // Backup is multiple archives
+ LOGI("Backup is multiple archives.\n");
sprintf(split_index, "%03i", index);
Full_FileName = restore_folder + "/" + Backup_FileName + split_index;
- }
- if (index == 0) {
- LOGE("Error locating restore file: '%s'\n", Full_FileName.c_str());
- return false;
+ while (TWFunc::Path_Exists(Full_FileName)) {
+ index++;
+ ui_print("Restoring archive %i...\n", index);
+ LOGI("Restoring '%s'...\n", Full_FileName.c_str());
+ twrpTar tar;
+ if (tar.extract("/", Full_FileName) != 0)
+ return false;
+ sprintf(split_index, "%03i", index);
+ Full_FileName = restore_folder + "/" + Backup_FileName + split_index;
+ }
+ if (index == 0) {
+ LOGE("Error locating restore file: '%s'\n", Full_FileName.c_str());
+ return false;
+ }
}
} else {
- Command = "cd " + Backup_Path + " && tar -xf '" + Full_FileName + "'";
- LOGI("Restore command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ twrpTar tar;
+ if (tar.extract(Backup_Path, Full_FileName) != 0)
+ return false;
}
return true;
}
bool TWPartition::Restore_DD(string restore_folder) {
- string Full_FileName, Command;
+ string Full_FileName, Command, result;
TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
Full_FileName = restore_folder + "/" + Backup_FileName;
@@ -1341,22 +1343,22 @@ bool TWPartition::Restore_DD(string restore_folder) {
ui_print("Restoring %s...\n", Display_Name.c_str());
Command = "dd bs=4096 if='" + Full_FileName + "' of=" + Actual_Block_Device;
LOGI("Restore command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ TWFunc::Exec_Cmd(Command, result);
return true;
}
bool TWPartition::Restore_Flash_Image(string restore_folder) {
- string Full_FileName, Command;
+ string Full_FileName, Command, result;
ui_print("Restoring %s...\n", Display_Name.c_str());
Full_FileName = restore_folder + "/" + Backup_FileName;
// Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
Command = "erase_image " + MTD_Name;
LOGI("Erase command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ TWFunc::Exec_Cmd(Command, result);
Command = "flash_image " + MTD_Name + " '" + Full_FileName + "'";
LOGI("Restore command: '%s'\n", Command.c_str());
- system(Command.c_str());
+ TWFunc::Exec_Cmd(Command, result);
return true;
}
@@ -1422,11 +1424,15 @@ void TWPartition::Find_Actual_Block_Device(void) {
} else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Is_Present = true;
Actual_Block_Device = Primary_Block_Device;
+ return;
+ }
+ if (Is_Decrypted) {
} else if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Actual_Block_Device = Alternate_Block_Device;
Is_Present = true;
- } else
+ } else {
Is_Present = false;
+ }
}
void TWPartition::Recreate_Media_Folder(void) {
@@ -1435,30 +1441,23 @@ void TWPartition::Recreate_Media_Folder(void) {
if (!Mount(true)) {
LOGE("Unable to recreate /data/media folder.\n");
} else if (!TWFunc::Path_Exists("/data/media")) {
+ PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
LOGI("Recreating /data/media folder.\n");
- system("cd /data && mkdir media && chmod 755 media");
- Command = "umount " + Symlink_Mount_Point;
- system(Command.c_str());
- Command = "mount " + Symlink_Path + " " + Symlink_Mount_Point;
- system(Command.c_str());
+ mkdir("/data/media", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+ PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
}
}
void TWPartition::Recreate_AndSec_Folder(void) {
- string Command;
-
if (!Has_Android_Secure)
return;
-
+ LOGI("Creating .android_secure: %s\n", Symlink_Path.c_str());
if (!Mount(true)) {
LOGE("Unable to recreate android secure folder.\n");
} else if (!TWFunc::Path_Exists(Symlink_Path)) {
LOGI("Recreating android secure folder.\n");
- Command = "umount " + Symlink_Mount_Point;
- system(Command.c_str());
- Command = "cd " + Mount_Point + " && mkdir .android_secure";
- system(Command.c_str());
- Command = "mount " + Symlink_Path + " " + Symlink_Mount_Point;
- system(Command.c_str());
+ PartitionManager.Mount_By_Path(Symlink_Mount_Point, true);
+ mkdir(Symlink_Path.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+ PartitionManager.UnMount_By_Path(Symlink_Mount_Point, true);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 20:06:47 +0100