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-rw-r--r--partition.cpp266
1 files changed, 178 insertions, 88 deletions
diff --git a/partition.cpp b/partition.cpp
index f4fa0d86e..521722774 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -37,11 +37,11 @@
#include "common.h"
#include "partitions.hpp"
#include "data.hpp"
+#include "twrp-functions.hpp"
extern "C" {
#include "mtdutils/mtdutils.h"
#include "mtdutils/mounts.h"
- #include "extra-functions.h"
- int __system(const char *command);
+ #include "makelist.h"
}
TWPartition::TWPartition(void) {
@@ -333,7 +333,7 @@ bool TWPartition::Is_Image(string File_System) {
}
bool TWPartition::Make_Dir(string Path, bool Display_Error) {
- if (!Path_Exists(Path)) {
+ if (!TWFunc::Path_Exists(Path)) {
if (mkdir(Path.c_str(), 0777) == -1) {
if (Display_Error)
LOGE("Can not create '%s' folder.\n", Path.c_str());
@@ -479,7 +479,7 @@ bool TWPartition::Get_Size_Via_df(bool Display_Error) {
min_len = Actual_Block_Device.size() + 2;
sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
- __system(command);
+ system(command);
fp = fopen("/tmp/dfoutput.txt", "rt");
if (fp == NULL) {
LOGI("Unable to open /tmp/dfoutput.txt.\n");
@@ -518,46 +518,6 @@ bool TWPartition::Get_Size_Via_df(bool Display_Error) {
return true;
}
-unsigned long long TWPartition::Get_Folder_Size(string Path, bool Display_Error) {
- DIR* d;
- struct dirent* de;
- struct stat st;
- char path2[1024], filename[1024];
- unsigned long long dusize = 0;
-
- // Make a copy of path in case the data in the pointer gets overwritten later
- strcpy(path2, Path.c_str());
-
- d = opendir(path2);
- if (d == NULL)
- {
- LOGE("error opening '%s'\n", path2);
- return 0;
- }
-
- while ((de = readdir(d)) != NULL)
- {
- if (de->d_type == DT_DIR && strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0)
- {
- strcpy(filename, path2);
- strcat(filename, "/");
- strcat(filename, de->d_name);
- dusize += Get_Folder_Size(filename, Display_Error);
- }
- else if (de->d_type == DT_REG)
- {
- strcpy(filename, path2);
- strcat(filename, "/");
- strcat(filename, de->d_name);
- stat(filename, &st);
- dusize += (unsigned long long)(st.st_size);
- }
- }
- closedir(d);
-
- return dusize;
-}
-
bool TWPartition::Find_Partition_Size(void) {
FILE* fp;
char line[512];
@@ -590,16 +550,6 @@ bool TWPartition::Find_Partition_Size(void) {
return false;
}
-bool TWPartition::Path_Exists(string Path) {
- // Check to see if the Path exists
- struct statfs st;
-
- if (statfs(Path.c_str(), &st) != 0)
- return false;
- else
- return true;
-}
-
void TWPartition::Flip_Block_Device(void) {
string temp;
@@ -655,7 +605,7 @@ bool TWPartition::Mount(bool Display_Error) {
string Command;
Command = "mount " + Symlink_Path + " " + Symlink_Mount_Point;
- __system(Command.c_str());
+ system(Command.c_str());
}
return true;
}
@@ -727,7 +677,38 @@ bool TWPartition::Backup(string backup_folder) {
return false;
}
+bool TWPartition::Check_MD5(string restore_folder) {
+ string Full_Filename;
+ char split_filename[512];
+ int index = 0;
+
+ Full_Filename = restore_folder + "/" + Backup_FileName;
+ LOGI("Full_Filename: '%s'\n", Full_Filename.c_str());
+ if (!TWFunc::Path_Exists(Full_Filename)) {
+ // This is a split archive, we presume
+ sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
+ while (index < 1000 && TWFunc::Path_Exists(split_filename)) {
+ if (TWFunc::Check_MD5(split_filename) == 0) {
+ LOGE("MD5 failed to match on '%s'.\n", split_filename);
+ return false;
+ }
+ index++;
+ sprintf(split_filename, "%s%03i", Full_Filename.c_str(), index);
+ LOGI("Full_Filename: '%s'\n", Full_Filename.c_str());
+ }
+ } else {
+ // Single file archive
+ if (TWFunc::Check_MD5(Full_Filename) == 0) {
+ LOGE("MD5 failed to match on '%s'.\n", split_filename);
+ return false;
+ } else
+ return true;
+ }
+ return false;
+}
+
bool TWPartition::Restore(string restore_folder) {
+ ui_print("Restoring %s...\n", Display_Name.c_str());
if (Backup_Method == FILES)
return Restore_Tar(restore_folder);
else if (Backup_Method == DD)
@@ -797,7 +778,7 @@ void TWPartition::Check_FS_Type() {
Find_Actual_Block_Device();
blkCommand = "blkid " + Actual_Block_Device + " > /tmp/blkidoutput.txt";
- __system(blkCommand.c_str());
+ system(blkCommand.c_str());
fp = fopen("/tmp/blkidoutput.txt", "rt");
while (fgets(blkOutput, sizeof(blkOutput), fp) != NULL)
{
@@ -847,7 +828,7 @@ void TWPartition::Check_FS_Type() {
Current_File_System = arg;
}
}
- __pclose(fp);
+ fclose(fp);
return;
}
@@ -855,14 +836,14 @@ bool TWPartition::Wipe_EXT23() {
if (!UnMount(true))
return false;
- if (Path_Exists("/sbin/mke2fs")) {
+ if (TWFunc::Path_Exists("/sbin/mke2fs")) {
char command[512];
ui_print("Formatting %s using mke2fs...\n", Display_Name.c_str());
Find_Actual_Block_Device();
sprintf(command, "mke2fs -t %s -m 0 %s", Current_File_System.c_str(), Actual_Block_Device.c_str());
LOGI("mke2fs command: %s\n", command);
- if (__system(command) == 0) {
+ if (system(command) == 0) {
ui_print("Done.\n");
return true;
} else {
@@ -879,7 +860,7 @@ bool TWPartition::Wipe_EXT4() {
if (!UnMount(true))
return false;
- if (Path_Exists("/sbin/make_ext4fs")) {
+ if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
string Command;
ui_print("Formatting %s using make_ext4fs...\n", Display_Name.c_str());
@@ -894,7 +875,7 @@ bool TWPartition::Wipe_EXT4() {
}
Command += " " + Actual_Block_Device;
LOGI("make_ext4fs command: %s\n", Command.c_str());
- if (__system(Command.c_str()) == 0) {
+ if (system(Command.c_str()) == 0) {
ui_print("Done.\n");
return true;
} else {
@@ -913,14 +894,14 @@ bool TWPartition::Wipe_FAT() {
if (Backup_Name == "and-sec") // Don't format if it's android secure
return Wipe_RMRF();
- if (Path_Exists("/sbin/mkdosfs")) {
+ if (TWFunc::Path_Exists("/sbin/mkdosfs")) {
if (!UnMount(true))
return false;
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) {
+ if (system(command) == 0) {
ui_print("Done.\n");
return true;
} else {
@@ -981,7 +962,7 @@ bool TWPartition::Wipe_RMRF() {
}
LOGI("rm -rf command is: '%s'\n", cmd);
- __system(cmd);
+ system(cmd);
return true;
}
@@ -993,8 +974,8 @@ bool TWPartition::Wipe_Data_Without_Wiping_Media() {
return false;
ui_print("Wiping data without wiping /data/media ...\n");
- __system("rm -f /data/*");
- __system("rm -f /data/.*");
+ system("rm -f /data/*");
+ system("rm -f /data/.*");
DIR* d;
d = opendir("/data");
@@ -1005,7 +986,7 @@ bool TWPartition::Wipe_Data_Without_Wiping_Media() {
if (strcmp(de->d_name, "media") == 0) continue;
sprintf(cmd, "rm -fr /data/%s", de->d_name);
- __system(cmd);
+ system(cmd);
}
closedir(d);
}
@@ -1014,34 +995,142 @@ bool TWPartition::Wipe_Data_Without_Wiping_Media() {
}
bool TWPartition::Backup_Tar(string backup_folder) {
- LOGI("STUB TWPartition::Backup_Tar, backup_folder: '%s'\n", backup_folder.c_str());
- return 1;
+ char back_name[255];
+ string Full_FileName, Tar_Args, Command;
+ int use_compression;
+
+ if (!Mount(true))
+ return false;
+
+ ui_print("Backing up %s...\n", Display_Name.c_str());
+
+ 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;
+
+ Full_FileName = backup_folder + "/" + Backup_FileName;
+ if (Backup_Size > MAX_ARCHIVE_SIZE) {
+ // This backup needs to be split into multiple archives
+ LOGE("Multiple archive splitting is not implemented yet!\n");
+ return false;
+ } else {
+ if (Has_Data_Media)
+ Command = "cd " + Mount_Point + " && tar " + Tar_Args + " ./ --exclude='media*' -f '" + Full_FileName + "'";
+ else
+ Command = "cd " + Mount_Point + " && tar " + Tar_Args + " -f '" + Full_FileName + "' ./*";
+ LOGI("Backup command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ }
+ return true;
}
bool TWPartition::Backup_DD(string backup_folder) {
- LOGI("STUB TWPartition::Backup_DD, backup_folder: '%s'\n", backup_folder.c_str());
- return 1;
+ char back_name[255];
+ string Full_FileName, Command;
+ int use_compression;
+
+ ui_print("Backing up %s...\n", Display_Name.c_str());
+
+ sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
+ Backup_FileName = back_name;
+
+ Full_FileName = backup_folder + "/" + Backup_FileName;
+
+ Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'";
+ LOGI("Backup command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ return true;
}
bool TWPartition::Backup_Dump_Image(string backup_folder) {
- LOGI("STUB TWPartition::Backup_Dump_Image, backup_folder: '%s'\n", backup_folder.c_str());
- return 1;
+ char back_name[255];
+ string Full_FileName, Command;
+ int use_compression;
+
+ ui_print("Backing up %s...\n", Display_Name.c_str());
+
+ sprintf(back_name, "%s.%s.win", Backup_Name.c_str(), Current_File_System.c_str());
+ Backup_FileName = back_name;
+
+ Full_FileName = backup_folder + "/" + Backup_FileName;
+
+ Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
+ LOGI("Backup command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ return true;
}
bool TWPartition::Restore_Tar(string restore_folder) {
- LOGI("STUB TWPartition::Restore_Tar, backup_folder: '%s'\n", restore_folder.c_str());
- return 1;
+ size_t first_period, second_period;
+ string Restore_File_System, Full_FileName, Command;
+
+ LOGI("Restore filename is: %s\n", Backup_FileName.c_str());
+
+ // Parse backup filename to extract the file system before wiping
+ first_period = Backup_FileName.find(".");
+ if (first_period == string::npos) {
+ LOGE("Unable to find file system (first period).\n");
+ return false;
+ }
+ Restore_File_System = Backup_FileName.substr(first_period + 1, Backup_FileName.size() - first_period - 1);
+ second_period = Restore_File_System.find(".");
+ if (second_period == string::npos) {
+ LOGE("Unable to find file system (second period).\n");
+ return false;
+ }
+ Restore_File_System.resize(second_period);
+ LOGI("Restore file system is: '%s'.\n", Restore_File_System.c_str());
+ Current_File_System = Restore_File_System;
+ ui_print("Wiping %s...\n", Display_Name.c_str());
+ if (!Wipe())
+ return false;
+
+ if (!Mount(true))
+ return false;
+
+ Full_FileName = restore_folder + "/" + Backup_FileName;
+ ui_print("Restoring %s...\n", Display_Name.c_str());
+ if (!TWFunc::Path_Exists(Full_FileName)) {
+ // This backup is multiple archives
+ LOGE("Multiple archive not implemented yet.\n");
+ return false;
+ } else {
+ Command = "cd " + Mount_Point + " && tar -xf '" + Full_FileName + "'";
+ LOGI("Restore command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ }
+ return true;
}
bool TWPartition::Restore_DD(string restore_folder) {
- LOGI("STUB TWPartition::Restore_DD, backup_folder: '%s'\n", restore_folder.c_str());
- return 1;
+ string Full_FileName, Command;
+
+ ui_print("Restoring %s...\n", Display_Name.c_str());
+ Full_FileName = restore_folder + "/" + Backup_FileName;
+ Command = "dd bs=4096 if='" + Full_FileName + "' of=" + Actual_Block_Device;
+ LOGI("Restore command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ return true;
}
bool TWPartition::Restore_Flash_Image(string restore_folder) {
- LOGI("STUB TWPartition::Restore_Flash_Image, backup_folder: '%s'\n", restore_folder.c_str());
- // might erase image first just to ensure that it flashes
- return 1;
+ string Full_FileName, Command;
+
+ 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());
+ Command = "flash_image " + MTD_Name + " '" + Full_FileName + "'";
+ LOGI("Restore command: '%s'\n", Command.c_str());
+ system(Command.c_str());
+ return true;
}
bool TWPartition::Update_Size(bool Display_Error) {
@@ -1064,7 +1153,8 @@ bool TWPartition::Update_Size(bool Display_Error) {
if (Has_Data_Media) {
if (Mount(Display_Error)) {
unsigned long long data_media_used, actual_data;
- data_media_used = Get_Folder_Size("/data/media", Display_Error);
+ Used = TWFunc::Get_Folder_Size("/data", Display_Error);
+ data_media_used = TWFunc::Get_Folder_Size("/data/media", Display_Error);
actual_data = Used - data_media_used;
Backup_Size = actual_data;
int bak = (int)(Backup_Size / 1048576LLU);
@@ -1082,12 +1172,12 @@ bool TWPartition::Update_Size(bool Display_Error) {
void TWPartition::Find_Actual_Block_Device(void) {
if (Is_Decrypted) {
Actual_Block_Device = Decrypted_Block_Device;
- if (Path_Exists(Primary_Block_Device))
+ if (TWFunc::Path_Exists(Primary_Block_Device))
Is_Present = true;
- } else if (Path_Exists(Primary_Block_Device)) {
+ } else if (TWFunc::Path_Exists(Primary_Block_Device)) {
Is_Present = true;
Actual_Block_Device = Primary_Block_Device;
- } else if (!Alternate_Block_Device.empty() && Path_Exists(Alternate_Block_Device)) {
+ } else if (!Alternate_Block_Device.empty() && TWFunc::Path_Exists(Alternate_Block_Device)) {
Flip_Block_Device();
Actual_Block_Device = Primary_Block_Device;
Is_Present = true;
@@ -1102,10 +1192,10 @@ void TWPartition::Recreate_Media_Folder(void) {
LOGE("Unable to recreate /data/media folder.\n");
} else {
LOGI("Recreating /data/media folder.\n");
- __system("cd /data && mkdir media && chmod 755 media");
+ system("cd /data && mkdir media && chmod 755 media");
Command = "umount " + Symlink_Mount_Point;
- __system(Command.c_str());
+ system(Command.c_str());
Command = "mount " + Symlink_Path + " " + Symlink_Mount_Point;
- __system(Command.c_str());
+ system(Command.c_str());
}
-} \ No newline at end of file
+}