56cf564658
This patch is to refactor twrpDigest using polymorphism and inheritance to use the same call patterns for creating and reading a digest. Now a library. Use SHA2 from libcrypto. SHA2 is default if device has libcrypto. Change string MD5 everywhere to use digest or Digest instead. Updated string tags to digest. Translation will be required. Switch out digest code into a driver class from partitionmanager. SHA2 is better for digest creation due to decreased collision space compared to MD5 and SHA1. See https://en.wikipedia.org/wiki/SHA-2 Change-Id: I74b5546789990b12aa4ce2e389d25f80a3fe213f
113 lines
7.0 KiB
C++
113 lines
7.0 KiB
C++
/*
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Copyright 2012 bigbiff/Dees_Troy TeamWin
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This file is part of TWRP/TeamWin Recovery Project.
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TWRP is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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TWRP is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with TWRP. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TWRPFUNCTIONS_HPP
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#define _TWRPFUNCTIONS_HPP
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#include <string>
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#include <vector>
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#include "twrpDigest/twrpDigest.hpp"
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using namespace std;
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typedef enum
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{
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rb_current = 0,
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rb_system,
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rb_recovery,
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rb_poweroff,
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rb_bootloader, // May also be fastboot
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rb_download,
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} RebootCommand;
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enum Archive_Type {
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UNCOMPRESSED = 0,
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COMPRESSED,
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ENCRYPTED,
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COMPRESSED_ENCRYPTED
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};
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// Partition class
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class TWFunc
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{
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public:
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static string Get_Root_Path(string Path); // Trims any trailing folders or filenames from the path, also adds a leading / if not present
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static string Get_Path(string Path); // Trims everything after the last / in the string
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static string Get_Filename(string Path); // Trims the path off of a filename
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static int Exec_Cmd(const string& cmd, string &result); //execute a command and return the result as a string by reference
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static int Exec_Cmd(const string& cmd); //execute a command
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static int Wait_For_Child(pid_t pid, int *status, string Child_Name); // Waits for pid to exit and checks exit status
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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.
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static bool Path_Exists(string Path); // Returns true if the path exists
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static Archive_Type Get_File_Type(string fn); // Determines file type, 0 for unknown, 1 for gzip, 2 for OAES encrypted
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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
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static unsigned long Get_File_Size(const string& Path); // Returns the size of a file
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static std::string Remove_Trailing_Slashes(const std::string& path, bool leaveLast = false); // Normalizes the path, e.g /data//media/ -> /data/media
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static void Strip_Quotes(char* &str); // Remove leading & trailing double-quotes from a string
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static vector<string> split_string(const string &in, char del, bool skip_empty);
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static timespec timespec_diff(timespec& start, timespec& end); // Return a diff for 2 times
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static int32_t timespec_diff_ms(timespec& start, timespec& end); // Returns diff in ms
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#ifndef BUILD_TWRPTAR_MAIN
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static void install_htc_dumlock(void); // Installs HTC Dumlock
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static void htc_dumlock_restore_original_boot(void); // Restores the backup of boot from HTC Dumlock
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static void htc_dumlock_reflash_recovery_to_boot(void); // Reflashes the current recovery to boot
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static int Recursive_Mkdir(string Path); // Recursively makes the entire path
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static void GUI_Operation_Text(string Read_Value, string Default_Text); // Updates text for display in the GUI, e.g. Backing up %partition name%
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static void GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text); // Same as above but includes partition name
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static void Update_Log_File(void); // Writes the log to last_log
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static void Update_Intent_File(string Intent); // Updates intent file
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static int tw_reboot(RebootCommand command); // Prepares the device for rebooting
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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
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static int removeDir(const string path, bool removeParent); //recursively remove a directory
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static int copy_file(string src, string dst, int mode); //copy file from src to dst with mode permissions
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static unsigned int Get_D_Type_From_Stat(string Path); // Returns a dirent dt_type value using stat instead of dirent
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static int read_file(string fn, vector<string>& results); //read from file
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static int read_file(string fn, string& results); //read from file
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static int read_file(string fn, uint64_t& results); //read from file
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static int write_file(string fn, string& line); //write from file
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static bool Install_SuperSU(void); // Installs su binary and apk and sets proper permissions
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static bool Try_Decrypting_Backup(string Restore_Path, string Password); // true for success, false for failed to decrypt
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static string System_Property_Get(string Prop_Name); // Returns value of Prop_Name from reading /system/build.prop
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static string Get_Current_Date(void); // Returns the current date in ccyy-m-dd--hh-nn-ss format
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static void Auto_Generate_Backup_Name(); // Populates TW_BACKUP_NAME with a backup name based on current date and ro.build.display.id from /system/build.prop
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static void Fixup_Time_On_Boot(); // Fixes time on devices which need it
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static std::vector<std::string> Split_String(const std::string& str, const std::string& delimiter, bool removeEmpty = true); // Splits string by delimiter
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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.
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static int Set_Brightness(std::string brightness_value); // Well, you can read, it does what it says, passing return int from TWFunc::Write_File ;)
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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
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static std::string to_string(unsigned long value); //convert ul to string
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static void SetPerformanceMode(bool mode); // support recovery.perf.mode
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static void Disable_Stock_Recovery_Replace(); // Disable stock ROMs from replacing TWRP with stock recovery
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static unsigned long long IOCTL_Get_Block_Size(const char* block_device);
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static void copy_kernel_log(string curr_storage); // Copy Kernel Log to Current Storage (PSTORE/KMSG)
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private:
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static void Copy_Log(string Source, string Destination);
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};
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extern int Log_Offset;
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#else
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};
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#endif // ndef BUILD_TWRPTAR_MAIN
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#endif // _TWRPFUNCTIONS_HPP
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