blob: e61038e112b086222ca3504d4e5711457783a11f [file] [log] [blame]
Copyright 2012 bigbiff/Dees_Troy TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TWRP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TWRP. If not, see <>.
#include <string>
#include <vector>
#include <ext4_utils/ext4_crypt.h>
#ifdef USE_EXT4
#include "ext4crypt_tar.h"
#include "twrpDigest/twrpDigest.hpp"
#include "partitions.hpp"
using namespace std;
#define CACHE_LOGS_DIR "/cache/" // For devices with a dedicated cache partition
#define DATA_LOGS_DIR "/data/" // For devices that do not have a dedicated cache partition
typedef enum
rb_current = 0,
rb_bootloader, // May also be fastboot
} RebootCommand;
enum Archive_Type {
// Partition class
class TWFunc
static string Get_Root_Path(const string& Path); // Trims any trailing folders or filenames from the path, also adds a leading / if not present
static string Get_Path(const string& Path); // Trims everything after the last / in the string
static string Get_Filename(const string& Path); // Trims the path off of a filename
static int Exec_Cmd(const string& cmd, string &result, bool combine_stderr); //execute a command and return the result as a string by reference, set combined_stderror to add stderr
static int Exec_Cmd(const string& cmd, bool Show_Errors = true); //execute a command, displays an error to the GUI if Show_Errors is true, Show_Errors is true by default
static int Wait_For_Child(pid_t pid, int *status, string Child_Name, bool Show_Errors = true); // Waits for pid to exit and checks exit status, displays an error to the GUI if Show_Errors is true which is the default
static int Wait_For_Child_Timeout(pid_t pid, int *status, const string& Child_Name, int timeout); // Waits for a pid to exit until the timeout is hit. If timeout is hit, kill the chilld.
static bool Path_Exists(string Path); // Returns true if the path exists
static Archive_Type Get_File_Type(string fn); // Determines file type, 0 for unknown, 1 for gzip, 2 for OAES encrypted
static int Try_Decrypting_File(string fn, string password); // -1 for some error, 0 for failed to decrypt, 1 for decrypted, 3 for decrypted and found gzip format
static unsigned long Get_File_Size(const string& Path); // Returns the size of a file
static std::string Remove_Trailing_Slashes(const std::string& path, bool leaveLast = false); // Normalizes the path, e.g /data//media/ -> /data/media
static void Strip_Quotes(char* &str); // Remove leading & trailing double-quotes from a string
static vector<string> split_string(const string &in, char del, bool skip_empty);
static timespec timespec_diff(timespec& start, timespec& end); // Return a diff for 2 times
static int32_t timespec_diff_ms(timespec& start, timespec& end); // Returns diff in ms
static void install_htc_dumlock(void); // Installs HTC Dumlock
static void htc_dumlock_restore_original_boot(void); // Restores the backup of boot from HTC Dumlock
static void htc_dumlock_reflash_recovery_to_boot(void); // Reflashes the current recovery to boot
static int Recursive_Mkdir(string Path); // Recursively makes the entire path
static void GUI_Operation_Text(string Read_Value, string Default_Text); // Updates text for display in the GUI, e.g. Backing up %partition name%
static void GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text); // Same as above but includes partition name
static void Update_Log_File(void); // Writes the log to last_log
static void Update_Intent_File(string Intent); // Updates intent file
static int tw_reboot(RebootCommand command); // Prepares the device for rebooting
static void check_and_run_script(const char* script_file, const char* display_name); // checks for the existence of a script, chmods it to 755, then runs it
static int removeDir(const string path, bool removeParent); //recursively remove a directory
static int copy_file(string src, string dst, int mode); //copy file from src to dst with mode permissions
static unsigned int Get_D_Type_From_Stat(string Path); // Returns a dirent dt_type value using stat instead of dirent
static int read_file(string fn, vector<string>& results); //read from file
static int read_file(string fn, string& results); //read from file
static int read_file(string fn, uint64_t& results); //read from file
static int write_to_file(const string& fn, const string& line); //write to file
static bool Try_Decrypting_Backup(string Restore_Path, string Password); // true for success, false for failed to decrypt
static string System_Property_Get(string Prop_Name); // Returns value of Prop_Name from reading /system/build.prop
static string System_Property_Get(string Prop_Name, TWPartitionManager &PartitionManager, string Mount_Point); // Returns value of Prop_Name from reading /system/build.prop
static string Get_Current_Date(void); // Returns the current date in ccyy-m-dd--hh-nn-ss format
static void Auto_Generate_Backup_Name(); // Populates TW_BACKUP_NAME with a backup name based on current date and from /system/build.prop
static void Fixup_Time_On_Boot(const string& time_paths = ""); // Fixes time on devices which need it (time_paths is a space separated list of paths to check for ats_* files)
static std::vector<std::string> Split_String(const std::string& str, const std::string& delimiter, bool removeEmpty = true); // Splits string by delimiter
static bool Create_Dir_Recursive(const std::string& path, mode_t mode = 0755, uid_t uid = -1, gid_t gid = -1); // Create directory and it's parents, if they don't exist. mode, uid and gid are set to all _newly_ created folders. If whole path exists, do nothing.
static int Set_Brightness(std::string brightness_value); // Well, you can read, it does what it says, passing return int from TWFunc::Write_File ;)
static bool Toggle_MTP(bool enable); // Disables MTP if enable is false and re-enables MTP if enable is true and it was enabled the last time it was toggled off
static std::string to_string(unsigned long value); //convert ul to string
static void SetPerformanceMode(bool mode); // support recovery.perf.mode
static void Disable_Stock_Recovery_Replace(); // Disable stock ROMs from replacing TWRP with stock recovery
static unsigned long long IOCTL_Get_Block_Size(const char* block_device);
static void copy_kernel_log(string curr_storage); // Copy Kernel Log to Current Storage (PSTORE/KMSG)
static void copy_logcat(string curr_storage); // Copy Logcat to Current Storage
static bool isNumber(string strtocheck); // return true if number, false if not a number
static int stream_adb_backup(string &Restore_Name); // Tell ADB Backup to Stream to TWRP from GUI selection
static std::string get_log_dir(); // return recovery log storage directory
static void check_selinux_support(); // print whether selinux support is enabled to console
static bool Is_TWRP_App_In_System(); // Check if the TWRP app is installed in the system partition
static void checkforapp();
static int Property_Override(string Prop_Name, string Prop_Value); // Override properties (including ro. properties)
#ifdef USE_EXT4
static bool Get_Encryption_Policy(ext4_encryption_policy &policy, std::string path); // return encryption policy for path
static bool Set_Encryption_Policy(std::string path, const ext4_encryption_policy &policy); // set encryption policy for path
static string Check_For_TwrpFolder();
static bool Check_Xml_Format(const char* filename); // Return whether a xml is in plain xml or ABX format
static void Copy_Log(string Source, string Destination);
extern int Log_Offset;
#endif // ndef BUILD_TWRPTAR_MAIN