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-rw-r--r--twrp-functions.cpp952
1 files changed, 952 insertions, 0 deletions
diff --git a/twrp-functions.cpp b/twrp-functions.cpp
new file mode 100644
index 000000000..48a9552a5
--- /dev/null
+++ b/twrp-functions.cpp
@@ -0,0 +1,952 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <vector>
+#include <dirent.h>
+#include <time.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/mount.h>
+#include <sys/reboot.h>
+#include <sys/sendfile.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifdef ANDROID_RB_POWEROFF
+ #include "cutils/android_reboot.h"
+#endif
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include "twrp-functions.hpp"
+#include "partitions.hpp"
+#include "twcommon.h"
+#include "data.hpp"
+#include "variables.h"
+#include "bootloader.h"
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ #include "openaes/inc/oaes_lib.h"
+#endif
+
+extern "C" {
+ #include "libcrecovery/common.h"
+}
+
+/* Execute a command */
+int TWFunc::Exec_Cmd(string cmd, string &result) {
+ FILE* exec;
+ char buffer[130];
+ int ret = 0;
+ exec = __popen(cmd.c_str(), "r");
+ if (!exec) return -1;
+ while(!feof(exec)) {
+ memset(&buffer, 0, sizeof(buffer));
+ if (fgets(buffer, 128, exec) != NULL) {
+ buffer[128] = '\n';
+ buffer[129] = NULL;
+ result += buffer;
+ }
+ }
+ ret = __pclose(exec);
+ return ret;
+}
+
+// Returns "file.name" from a full /path/to/file.name
+string TWFunc::Get_Filename(string Path) {
+ size_t pos = Path.find_last_of("/");
+ if (pos != string::npos) {
+ string Filename;
+ Filename = Path.substr(pos + 1, Path.size() - pos - 1);
+ return Filename;
+ } else
+ return Path;
+}
+
+// Returns "/path/to/" from a full /path/to/file.name
+string TWFunc::Get_Path(string Path) {
+ size_t pos = Path.find_last_of("/");
+ if (pos != string::npos) {
+ string Pathonly;
+ Pathonly = Path.substr(0, pos + 1);
+ return Pathonly;
+ } else
+ return Path;
+}
+
+// Returns "/path" from a full /path/to/file.name
+string TWFunc::Get_Root_Path(string Path) {
+ string Local_Path = Path;
+
+ // Make sure that we have a leading slash
+ if (Local_Path.substr(0, 1) != "/")
+ Local_Path = "/" + Local_Path;
+
+ // Trim the path to get the root path only
+ size_t position = Local_Path.find("/", 2);
+ if (position != string::npos) {
+ Local_Path.resize(position);
+ }
+ return Local_Path;
+}
+
+void TWFunc::install_htc_dumlock(void) {
+ int need_libs = 0;
+
+ if (!PartitionManager.Mount_By_Path("/system", true))
+ return;
+
+ if (!PartitionManager.Mount_By_Path("/data", true))
+ return;
+
+ gui_print("Installing HTC Dumlock to system...\n");
+ copy_file("/res/htcd/htcdumlocksys", "/system/bin/htcdumlock", 0755);
+ if (!Path_Exists("/system/bin/flash_image")) {
+ gui_print("Installing flash_image...\n");
+ copy_file("/res/htcd/flash_imagesys", "/system/bin/flash_image", 0755);
+ need_libs = 1;
+ } else
+ gui_print("flash_image is already installed, skipping...\n");
+ if (!Path_Exists("/system/bin/dump_image")) {
+ gui_print("Installing dump_image...\n");
+ copy_file("/res/htcd/dump_imagesys", "/system/bin/dump_image", 0755);
+ need_libs = 1;
+ } else
+ gui_print("dump_image is already installed, skipping...\n");
+ if (need_libs) {
+ gui_print("Installing libs needed for flash_image and dump_image...\n");
+ copy_file("/res/htcd/libbmlutils.so", "/system/lib/libbmlutils.so", 0755);
+ copy_file("/res/htcd/libflashutils.so", "/system/lib/libflashutils.so", 0755);
+ copy_file("/res/htcd/libmmcutils.so", "/system/lib/libmmcutils.so", 0755);
+ copy_file("/res/htcd/libmtdutils.so", "/system/lib/libmtdutils.so", 0755);
+ }
+ gui_print("Installing HTC Dumlock app...\n");
+ mkdir("/data/app", 0777);
+ unlink("/data/app/com.teamwin.htcdumlock*");
+ copy_file("/res/htcd/HTCDumlock.apk", "/data/app/com.teamwin.htcdumlock.apk", 0777);
+ sync();
+ gui_print("HTC Dumlock is installed.\n");
+}
+
+void TWFunc::htc_dumlock_restore_original_boot(void) {
+ string status;
+ if (!PartitionManager.Mount_By_Path("/sdcard", true))
+ return;
+
+ gui_print("Restoring original boot...\n");
+ Exec_Cmd("htcdumlock restore", status);
+ gui_print("Original boot restored.\n");
+}
+
+void TWFunc::htc_dumlock_reflash_recovery_to_boot(void) {
+ string status;
+ if (!PartitionManager.Mount_By_Path("/sdcard", true))
+ return;
+ gui_print("Reflashing recovery to boot...\n");
+ Exec_Cmd("htcdumlock recovery noreboot", status);
+ gui_print("Recovery is flashed to boot.\n");
+}
+
+int TWFunc::Recursive_Mkdir(string Path) {
+ string pathCpy = Path;
+ string wholePath;
+ size_t pos = pathCpy.find("/", 2);
+
+ while (pos != string::npos)
+ {
+ wholePath = pathCpy.substr(0, pos);
+ if (mkdir(wholePath.c_str(), 0777) && errno != EEXIST) {
+ LOGERR("Unable to create folder: %s (errno=%d)\n", wholePath.c_str(), errno);
+ return false;
+ }
+
+ pos = pathCpy.find("/", pos + 1);
+ }
+ if (mkdir(wholePath.c_str(), 0777) && errno != EEXIST)
+ return false;
+ return true;
+}
+
+unsigned long long TWFunc::Get_Folder_Size(const string& Path, bool Display_Error) {
+ DIR* d;
+ struct dirent* de;
+ struct stat st;
+ unsigned long long dusize = 0;
+ unsigned long long dutemp = 0;
+
+ d = opendir(Path.c_str());
+ if (d == NULL)
+ {
+ LOGERR("error opening '%s'\n", Path.c_str());
+ LOGERR("error: %s\n", strerror(errno));
+ return 0;
+ }
+
+ while ((de = readdir(d)) != NULL)
+ {
+ if (de->d_type == DT_DIR && strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0 && strcmp(de->d_name, "lost+found") != 0)
+ {
+ dutemp = Get_Folder_Size((Path + "/" + de->d_name), Display_Error);
+ dusize += dutemp;
+ dutemp = 0;
+ }
+ else if (de->d_type == DT_REG)
+ {
+ stat((Path + "/" + de->d_name).c_str(), &st);
+ dusize += (unsigned long long)(st.st_size);
+ }
+ }
+ closedir(d);
+ return dusize;
+}
+
+bool TWFunc::Path_Exists(string Path) {
+ // Check to see if the Path exists
+ struct stat st;
+ if (stat(Path.c_str(), &st) != 0)
+ return false;
+ else
+ return true;
+}
+
+void TWFunc::GUI_Operation_Text(string Read_Value, string Default_Text) {
+ string Display_Text;
+
+ DataManager::GetValue(Read_Value, Display_Text);
+ if (Display_Text.empty())
+ Display_Text = Default_Text;
+
+ DataManager::SetValue("tw_operation", Display_Text);
+ DataManager::SetValue("tw_partition", "");
+}
+
+void TWFunc::GUI_Operation_Text(string Read_Value, string Partition_Name, string Default_Text) {
+ string Display_Text;
+
+ DataManager::GetValue(Read_Value, Display_Text);
+ if (Display_Text.empty())
+ Display_Text = Default_Text;
+
+ DataManager::SetValue("tw_operation", Display_Text);
+ DataManager::SetValue("tw_partition", Partition_Name);
+}
+
+unsigned long TWFunc::Get_File_Size(string Path) {
+ struct stat st;
+
+ if (stat(Path.c_str(), &st) != 0)
+ return 0;
+ return st.st_size;
+}
+
+void TWFunc::Copy_Log(string Source, string Destination) {
+ FILE *destination_log = fopen(Destination.c_str(), "a");
+ if (destination_log == NULL) {
+ LOGERR("TWFunc::Copy_Log -- Can't open destination log file: '%s'\n", Destination.c_str());
+ } else {
+ FILE *source_log = fopen(Source.c_str(), "r");
+ if (source_log != NULL) {
+ fseek(source_log, Log_Offset, SEEK_SET);
+ char buffer[4096];
+ while (fgets(buffer, sizeof(buffer), source_log))
+ fputs(buffer, destination_log); // Buffered write of log file
+ Log_Offset = ftell(source_log);
+ fflush(source_log);
+ fclose(source_log);
+ }
+ fflush(destination_log);
+ fclose(destination_log);
+ }
+}
+
+void TWFunc::Update_Log_File(void) {
+ // Copy logs to cache so the system can find out what happened.
+ Copy_Log(TMP_LOG_FILE, "/cache/recovery/log");
+ copy_file("/cache/recovery/log", "/cache/recovery/last_log", 600);
+ chown("/cache/recovery/log", 1000, 1000);
+ chmod("/cache/recovery/log", 0600);
+ chmod("/cache/recovery/last_log", 0640);
+
+ // Reset bootloader message
+ TWPartition* Part = PartitionManager.Find_Partition_By_Path("/misc");
+ if (Part != NULL) {
+ struct bootloader_message boot;
+ memset(&boot, 0, sizeof(boot));
+ if (Part->Current_File_System == "mtd") {
+ if (set_bootloader_message_mtd_name(&boot, Part->MTD_Name.c_str()) != 0)
+ LOGERR("Unable to set MTD bootloader message.\n");
+ } else if (Part->Current_File_System == "emmc") {
+ if (set_bootloader_message_block_name(&boot, Part->Actual_Block_Device.c_str()) != 0)
+ LOGERR("Unable to set emmc bootloader message.\n");
+ } else {
+ LOGERR("Unknown file system for /misc: '%s'\n", Part->Current_File_System.c_str());
+ }
+ }
+
+ if (!PartitionManager.Mount_By_Path("/cache", true) || (unlink("/cache/recovery/command") && errno != ENOENT)) {
+ LOGINFO("Can't unlink %s\n", "/cache/recovery/command");
+ }
+
+ PartitionManager.UnMount_By_Path("/cache", true);
+ sync();
+}
+
+void TWFunc::Update_Intent_File(string Intent) {
+ if (PartitionManager.Mount_By_Path("/cache", false) && !Intent.empty()) {
+ TWFunc::write_file("/cache/recovery/intent", Intent);
+ }
+}
+
+// reboot: Reboot the system. Return -1 on error, no return on success
+int TWFunc::tw_reboot(RebootCommand command)
+{
+ // Always force a sync before we reboot
+ sync();
+
+ switch (command) {
+ case rb_current:
+ case rb_system:
+ Update_Log_File();
+ Update_Intent_File("s");
+ sync();
+ check_and_run_script("/sbin/rebootsystem.sh", "reboot system");
+ return reboot(RB_AUTOBOOT);
+ case rb_recovery:
+ check_and_run_script("/sbin/rebootrecovery.sh", "reboot recovery");
+ return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "recovery");
+ case rb_bootloader:
+ check_and_run_script("/sbin/rebootbootloader.sh", "reboot bootloader");
+ return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "bootloader");
+ case rb_poweroff:
+ check_and_run_script("/sbin/poweroff.sh", "power off");
+#ifdef ANDROID_RB_POWEROFF
+ android_reboot(ANDROID_RB_POWEROFF, 0, 0);
+#endif
+ return reboot(RB_POWER_OFF);
+ case rb_download:
+ check_and_run_script("/sbin/rebootdownload.sh", "reboot download");
+ return __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, (void*) "download");
+ default:
+ return -1;
+ }
+ return -1;
+}
+
+void TWFunc::check_and_run_script(const char* script_file, const char* display_name)
+{
+ // Check for and run startup script if script exists
+ struct stat st;
+ string result;
+ if (stat(script_file, &st) == 0) {
+ gui_print("Running %s script...\n", display_name);
+ chmod(script_file, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
+ TWFunc::Exec_Cmd(script_file, result);
+ gui_print("\nFinished running %s script.\n", display_name);
+ }
+}
+
+int TWFunc::removeDir(const string path, bool skipParent) {
+ DIR *d = opendir(path.c_str());
+ int r = 0;
+ string new_path;
+
+ if (d == NULL) {
+ LOGERR("Error opening '%s'\n", path.c_str());
+ return -1;
+ }
+
+ if (d) {
+ struct dirent *p;
+ while (!r && (p = readdir(d))) {
+ if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, ".."))
+ continue;
+ new_path = path + "/";
+ new_path.append(p->d_name);
+ if (p->d_type == DT_DIR) {
+ r = removeDir(new_path, true);
+ if (!r) {
+ if (p->d_type == DT_DIR)
+ r = rmdir(new_path.c_str());
+ else
+ LOGINFO("Unable to removeDir '%s': %s\n", new_path.c_str(), strerror(errno));
+ }
+ } else if (p->d_type == DT_REG || p->d_type == DT_LNK || p->d_type == DT_FIFO || p->d_type == DT_SOCK) {
+ r = unlink(new_path.c_str());
+ if (r != 0) {
+ LOGINFO("Unable to unlink '%s: %s'\n", new_path.c_str(), strerror(errno));
+ }
+ }
+ }
+ closedir(d);
+
+ if (!r) {
+ if (skipParent)
+ return 0;
+ else
+ r = rmdir(path.c_str());
+ }
+ }
+ return r;
+}
+
+int TWFunc::copy_file(string src, string dst, int mode) {
+ LOGINFO("Copying file %s to %s\n", src.c_str(), dst.c_str());
+ ifstream srcfile(src.c_str(), ios::binary);
+ ofstream dstfile(dst.c_str(), ios::binary);
+ dstfile << srcfile.rdbuf();
+ srcfile.close();
+ dstfile.close();
+ if (chmod(dst.c_str(), mode) != 0)
+ return -1;
+ return 0;
+}
+
+unsigned int TWFunc::Get_D_Type_From_Stat(string Path) {
+ struct stat st;
+
+ stat(Path.c_str(), &st);
+ if (st.st_mode & S_IFDIR)
+ return DT_DIR;
+ else if (st.st_mode & S_IFBLK)
+ return DT_BLK;
+ else if (st.st_mode & S_IFCHR)
+ return DT_CHR;
+ else if (st.st_mode & S_IFIFO)
+ return DT_FIFO;
+ else if (st.st_mode & S_IFLNK)
+ return DT_LNK;
+ else if (st.st_mode & S_IFREG)
+ return DT_REG;
+ else if (st.st_mode & S_IFSOCK)
+ return DT_SOCK;
+ return DT_UNKNOWN;
+}
+
+int TWFunc::read_file(string fn, string& results) {
+ ifstream file;
+ file.open(fn.c_str(), ios::in);
+
+ if (file.is_open()) {
+ file >> results;
+ file.close();
+ return 0;
+ }
+
+ LOGINFO("Cannot find file %s\n", fn.c_str());
+ return -1;
+}
+
+int TWFunc::read_file(string fn, vector<string>& results) {
+ ifstream file;
+ string line;
+ file.open(fn.c_str(), ios::in);
+ if (file.is_open()) {
+ while (getline(file, line))
+ results.push_back(line);
+ file.close();
+ return 0;
+ }
+ LOGINFO("Cannot find file %s\n", fn.c_str());
+ return -1;
+}
+
+int TWFunc::write_file(string fn, string& line) {
+ FILE *file;
+ file = fopen(fn.c_str(), "w");
+ if (file != NULL) {
+ fwrite(line.c_str(), line.size(), 1, file);
+ fclose(file);
+ return 0;
+ }
+ LOGINFO("Cannot find file %s\n", fn.c_str());
+ return -1;
+}
+
+vector<string> TWFunc::split_string(const string &in, char del, bool skip_empty) {
+ vector<string> res;
+
+ if (in.empty() || del == '\0')
+ return res;
+
+ string field;
+ istringstream f(in);
+ if (del == '\n') {
+ while(getline(f, field)) {
+ if (field.empty() && skip_empty)
+ continue;
+ res.push_back(field);
+ }
+ } else {
+ while(getline(f, field, del)) {
+ if (field.empty() && skip_empty)
+ continue;
+ res.push_back(field);
+ }
+ }
+ return res;
+}
+
+timespec TWFunc::timespec_diff(timespec& start, timespec& end)
+{
+ timespec temp;
+ if ((end.tv_nsec-start.tv_nsec)<0) {
+ temp.tv_sec = end.tv_sec-start.tv_sec-1;
+ temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
+ } else {
+ temp.tv_sec = end.tv_sec-start.tv_sec;
+ temp.tv_nsec = end.tv_nsec-start.tv_nsec;
+ }
+ return temp;
+}
+
+int TWFunc::drop_caches(void) {
+ string file = "/proc/sys/vm/drop_caches";
+ string value = "3";
+ if (write_file(file, value) != 0)
+ return -1;
+ return 0;
+}
+
+int TWFunc::Check_su_Perms(void) {
+ struct stat st;
+ int ret = 0;
+
+ if (!PartitionManager.Mount_By_Path("/system", false))
+ return 0;
+
+ // Check to ensure that perms are 6755 for all 3 file locations
+ if (stat("/system/bin/su", &st) == 0) {
+ if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
+ ret = 1;
+ }
+ }
+ if (stat("/system/xbin/su", &st) == 0) {
+ if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
+ ret += 2;
+ }
+ }
+ if (stat("/system/bin/.ext/.su", &st) == 0) {
+ if ((st.st_mode & (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)) != (S_ISUID | S_ISGID | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) || st.st_uid != 0 || st.st_gid != 0) {
+ ret += 4;
+ }
+ }
+ return ret;
+}
+
+bool TWFunc::Fix_su_Perms(void) {
+ if (!PartitionManager.Mount_By_Path("/system", true))
+ return false;
+
+ string file = "/system/bin/su";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "6755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/xbin/su";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "6755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/xbin/daemonsu";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "6755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/bin/.ext/.su";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "6755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/etc/install-recovery.sh";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "0755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/etc/init.d/99SuperSUDaemon";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "0755") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ file = "/system/app/Superuser.apk";
+ if (TWFunc::Path_Exists(file)) {
+ if (chown(file.c_str(), 0, 0) != 0) {
+ LOGERR("Failed to chown '%s'\n", file.c_str());
+ return false;
+ }
+ if (tw_chmod(file, "0644") != 0) {
+ LOGERR("Failed to chmod '%s'\n", file.c_str());
+ return false;
+ }
+ }
+ sync();
+ if (!PartitionManager.UnMount_By_Path("/system", true))
+ return false;
+ return true;
+}
+
+int TWFunc::tw_chmod(const string& fn, const string& mode) {
+ long mask = 0;
+ std::string::size_type n = mode.length();
+ int cls = 0;
+
+ if(n == 3)
+ ++cls;
+ else if(n != 4)
+ {
+ LOGERR("TWFunc::tw_chmod used with %u long mode string (should be 3 or 4)!\n", mode.length());
+ return -1;
+ }
+
+ for (n = 0; n < mode.length(); ++n, ++cls) {
+ if (cls == 0) {
+ if (mode[n] == '0')
+ continue;
+ else if (mode[n] == '1')
+ mask |= S_ISVTX;
+ else if (mode[n] == '2')
+ mask |= S_ISGID;
+ else if (mode[n] == '4')
+ mask |= S_ISUID;
+ else if (mode[n] == '5') {
+ mask |= S_ISVTX;
+ mask |= S_ISUID;
+ }
+ else if (mode[n] == '6') {
+ mask |= S_ISGID;
+ mask |= S_ISUID;
+ }
+ else if (mode[n] == '7') {
+ mask |= S_ISVTX;
+ mask |= S_ISGID;
+ mask |= S_ISUID;
+ }
+ }
+ else if (cls == 1) {
+ if (mode[n] == '7') {
+ mask |= S_IRWXU;
+ }
+ else if (mode[n] == '6') {
+ mask |= S_IRUSR;
+ mask |= S_IWUSR;
+ }
+ else if (mode[n] == '5') {
+ mask |= S_IRUSR;
+ mask |= S_IXUSR;
+ }
+ else if (mode[n] == '4')
+ mask |= S_IRUSR;
+ else if (mode[n] == '3') {
+ mask |= S_IWUSR;
+ mask |= S_IRUSR;
+ }
+ else if (mode[n] == '2')
+ mask |= S_IWUSR;
+ else if (mode[n] == '1')
+ mask |= S_IXUSR;
+ }
+ else if (cls == 2) {
+ if (mode[n] == '7') {
+ mask |= S_IRWXG;
+ }
+ else if (mode[n] == '6') {
+ mask |= S_IRGRP;
+ mask |= S_IWGRP;
+ }
+ else if (mode[n] == '5') {
+ mask |= S_IRGRP;
+ mask |= S_IXGRP;
+ }
+ else if (mode[n] == '4')
+ mask |= S_IRGRP;
+ else if (mode[n] == '3') {
+ mask |= S_IWGRP;
+ mask |= S_IXGRP;
+ }
+ else if (mode[n] == '2')
+ mask |= S_IWGRP;
+ else if (mode[n] == '1')
+ mask |= S_IXGRP;
+ }
+ else if (cls == 3) {
+ if (mode[n] == '7') {
+ mask |= S_IRWXO;
+ }
+ else if (mode[n] == '6') {
+ mask |= S_IROTH;
+ mask |= S_IWOTH;
+ }
+ else if (mode[n] == '5') {
+ mask |= S_IROTH;
+ mask |= S_IXOTH;
+ }
+ else if (mode[n] == '4')
+ mask |= S_IROTH;
+ else if (mode[n] == '3') {
+ mask |= S_IWOTH;
+ mask |= S_IXOTH;
+ }
+ else if (mode[n] == '2')
+ mask |= S_IWOTH;
+ else if (mode[n] == '1')
+ mask |= S_IXOTH;
+ }
+ }
+
+ if (chmod(fn.c_str(), mask) != 0) {
+ LOGERR("Unable to chmod '%s' %l\n", fn.c_str(), mask);
+ return -1;
+ }
+
+ return 0;
+}
+
+bool TWFunc::Install_SuperSU(void) {
+ string status;
+
+ if (!PartitionManager.Mount_By_Path("/system", true))
+ return false;
+
+ TWFunc::Exec_Cmd("/sbin/chattr -i /system/xbin/su", status);
+ if (copy_file("/supersu/su", "/system/xbin/su", 0755) != 0) {
+ LOGERR("Failed to copy su binary to /system/bin\n");
+ return false;
+ }
+ if (!Path_Exists("/system/bin/.ext")) {
+ mkdir("/system/bin/.ext", 0777);
+ }
+ TWFunc::Exec_Cmd("/sbin/chattr -i /system/bin/.ext/su", status);
+ if (copy_file("/supersu/su", "/system/bin/.ext/su", 0755) != 0) {
+ LOGERR("Failed to copy su binary to /system/bin/.ext/su\n");
+ return false;
+ }
+ TWFunc::Exec_Cmd("/sbin/chattr -i /system/xbin/daemonsu", status);
+ if (copy_file("/supersu/su", "/system/xbin/daemonsu", 0755) != 0) {
+ LOGERR("Failed to copy su binary to /system/xbin/daemonsu\n");
+ return false;
+ }
+ if (Path_Exists("/system/etc/init.d")) {
+ TWFunc::Exec_Cmd("/sbin/chattr -i /system/etc/init.d/99SuperSUDaemon", status);
+ if (copy_file("/supersu/99SuperSUDaemon", "/system/etc/init.d/99SuperSUDaemon", 0755) != 0) {
+ LOGERR("Failed to copy 99SuperSUDaemon to /system/etc/init.d/99SuperSUDaemon\n");
+ return false;
+ }
+ } else {
+ TWFunc::Exec_Cmd("/sbin/chattr -i /system/etc/install-recovery.sh", status);
+ if (copy_file("/supersu/install-recovery.sh", "/system/etc/install-recovery.sh", 0755) != 0) {
+ LOGERR("Failed to copy install-recovery.sh to /system/etc/install-recovery.sh\n");
+ return false;
+ }
+ }
+ if (copy_file("/supersu/Superuser.apk", "/system/app/Superuser.apk", 0644) != 0) {
+ LOGERR("Failed to copy Superuser app to /system/app\n");
+ return false;
+ }
+ if (!Fix_su_Perms())
+ return false;
+ return true;
+}
+
+int TWFunc::Get_File_Type(string fn) {
+ string::size_type i = 0;
+ int firstbyte = 0, secondbyte = 0;
+ char header[3];
+
+ ifstream f;
+ f.open(fn.c_str(), ios::in | ios::binary);
+ f.get(header, 3);
+ f.close();
+ firstbyte = header[i] & 0xff;
+ secondbyte = header[++i] & 0xff;
+
+ if (firstbyte == 0x1f && secondbyte == 0x8b)
+ return 1; // Compressed
+ else if (firstbyte == 0x4f && secondbyte == 0x41)
+ return 2; // Encrypted
+ else
+ return 0; // Unknown
+
+ return 0;
+}
+
+int TWFunc::Try_Decrypting_File(string fn, string password) {
+#ifndef TW_EXCLUDE_ENCRYPTED_BACKUPS
+ OAES_CTX * ctx = NULL;
+ uint8_t _key_data[32] = "";
+ FILE *f;
+ uint8_t buffer[4096];
+ uint8_t *buffer_out = NULL;
+ uint8_t *ptr = NULL;
+ size_t read_len = 0, out_len = 0;
+ int firstbyte = 0, secondbyte = 0, key_len;
+ size_t _j = 0;
+ size_t _key_data_len = 0;
+
+ // mostly kanged from OpenAES oaes.c
+ for( _j = 0; _j < 32; _j++ )
+ _key_data[_j] = _j + 1;
+ _key_data_len = password.size();
+ if( 16 >= _key_data_len )
+ _key_data_len = 16;
+ else if( 24 >= _key_data_len )
+ _key_data_len = 24;
+ else
+ _key_data_len = 32;
+ memcpy(_key_data, password.c_str(), password.size());
+
+ ctx = oaes_alloc();
+ if (ctx == NULL) {
+ LOGERR("Failed to allocate OAES\n");
+ return -1;
+ }
+
+ oaes_key_import_data(ctx, _key_data, _key_data_len);
+
+ f = fopen(fn.c_str(), "rb");
+ if (f == NULL) {
+ LOGERR("Failed to open '%s' to try decrypt\n", fn.c_str());
+ return -1;
+ }
+ read_len = fread(buffer, sizeof(uint8_t), 4096, f);
+ if (read_len <= 0) {
+ LOGERR("Read size during try decrypt failed\n");
+ fclose(f);
+ return -1;
+ }
+ if (oaes_decrypt(ctx, buffer, read_len, NULL, &out_len) != OAES_RET_SUCCESS) {
+ LOGERR("Error: Failed to retrieve required buffer size for trying decryption.\n");
+ fclose(f);
+ return -1;
+ }
+ buffer_out = (uint8_t *) calloc(out_len, sizeof(char));
+ if (buffer_out == NULL) {
+ LOGERR("Failed to allocate output buffer for try decrypt.\n");
+ fclose(f);
+ return -1;
+ }
+ if (oaes_decrypt(ctx, buffer, read_len, buffer_out, &out_len) != OAES_RET_SUCCESS) {
+ LOGERR("Failed to decrypt file '%s'\n", fn.c_str());
+ fclose(f);
+ free(buffer_out);
+ return 0;
+ }
+ fclose(f);
+ if (out_len < 2) {
+ LOGINFO("Successfully decrypted '%s' but read length %i too small.\n", fn.c_str(), out_len);
+ free(buffer_out);
+ return 1; // Decrypted successfully
+ }
+ ptr = buffer_out;
+ firstbyte = *ptr & 0xff;
+ ptr++;
+ secondbyte = *ptr & 0xff;
+ if (firstbyte == 0x1f && secondbyte == 0x8b) {
+ LOGINFO("Successfully decrypted '%s' and file is compressed.\n", fn.c_str());
+ free(buffer_out);
+ return 3; // Compressed
+ }
+ if (out_len >= 262) {
+ ptr = buffer_out + 257;
+ if (strncmp((char*)ptr, "ustar", 5) == 0) {
+ LOGINFO("Successfully decrypted '%s' and file is tar format.\n", fn.c_str());
+ free(buffer_out);
+ return 2; // Tar
+ }
+ }
+ free(buffer_out);
+ LOGINFO("No errors decrypting '%s' but no known file format.\n", fn.c_str());
+ return 1; // Decrypted successfully
+#else
+ LOGERR("Encrypted backup support not included.\n");
+ return -1;
+#endif
+}
+
+bool TWFunc::Try_Decrypting_Backup(string Restore_Path, string Password) {
+ DIR* d;
+
+ string Filename;
+ Restore_Path += "/";
+ d = opendir(Restore_Path.c_str());
+ if (d == NULL) {
+ LOGERR("Error opening '%s'\n", Restore_Path.c_str());
+ return false;
+ }
+
+ struct dirent* de;
+ while ((de = readdir(d)) != NULL) {
+ Filename = Restore_Path;
+ Filename += de->d_name;
+ if (TWFunc::Get_File_Type(Filename) == 2) {
+ if (TWFunc::Try_Decrypting_File(Filename, Password) < 2) {
+ DataManager::SetValue("tw_restore_password", ""); // Clear the bad password
+ DataManager::SetValue("tw_restore_display", ""); // Also clear the display mask
+ closedir(d);
+ return false;
+ }
+ }
+ }
+ closedir(d);
+ return true;
+}
+
+int TWFunc::Wait_For_Child(pid_t pid, int *status, string Child_Name) {
+ pid_t rc_pid;
+
+ rc_pid = waitpid(pid, status, 0);
+ if (rc_pid > 0) {
+ if (WEXITSTATUS(*status) == 0)
+ LOGINFO("%s process ended with RC=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Success
+ else if (WIFSIGNALED(*status)) {
+ LOGINFO("%s process ended with signal: %d\n", Child_Name.c_str(), WTERMSIG(*status)); // Seg fault or some other non-graceful termination
+ return -1;
+ } else if (WEXITSTATUS(*status) != 0) {
+ LOGINFO("%s process ended with ERROR=%d\n", Child_Name.c_str(), WEXITSTATUS(*status)); // Graceful exit, but there was an error
+ return -1;
+ }
+ } else { // no PID returned
+ if (errno == ECHILD)
+ LOGINFO("%s no child process exist\n", Child_Name.c_str());
+ else {
+ LOGINFO("%s Unexpected error\n", Child_Name.c_str());
+ return -1;
+ }
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-02 09:11:15 +0200