blob: 01f8541938ef39eb390a5eaa5073e34f94d52755 [file] [log] [blame]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <unistd.h>
#include <vector>
#include <dirent.h>
#include <time.h>
#include <errno.h>
#include <sys/reboot.h>
#include "twrp-functions.hpp"
#include "partitions.hpp"
#include "common.h"
#include "data.hpp"
#include "bootloader.h"
#include "variables.h"
/* Checks md5 for a path
Return values:
-1 : MD5 does not exist
0 : Failed
1 : Success */
int TWFunc::Check_MD5(string File) {
int ret;
string Command, DirPath, MD5_File, Sline, Filename, MD5_File_Filename, OK;
char line[255];
size_t pos;
MD5_File = File + ".md5";
if (Path_Exists(MD5_File)) {
DirPath = Get_Path(File);
MD5_File = Get_Filename(MD5_File);
Command = "cd '" + DirPath + "' && /sbin/busybox md5sum -c '" + MD5_File + "' > /tmp/md5output";
system(Command.c_str());
FILE * cs = fopen("/tmp/md5output", "r");
if (cs == NULL) {
LOGE("Unable to open md5 output file.\n");
return 0;
}
fgets(line, sizeof(line), cs);
fclose(cs);
Sline = line;
pos = Sline.find(":");
if (pos != string::npos) {
Filename = Get_Filename(File);
MD5_File_Filename = Sline.substr(0, pos);
OK = Sline.substr(pos + 2, Sline.size() - pos - 2);
if (Filename == MD5_File_Filename && (OK == "OK" || OK == "OK\n")) {
//MD5 is good, return 1
ret = 1;
} else {
// MD5 is bad, return 0
ret = 0;
}
} else {
// MD5 is bad, return 0
ret = 0;
}
} else {
//No md5 file, return -1
ret = -1;
}
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;
ui_print("Installing HTC Dumlock to system...\n");
system("cp /res/htcd/htcdumlocksys /system/bin/htcdumlock && chmod 755 /system/bin/htcdumlock");
if (!Path_Exists("/system/bin/flash_image")) {
ui_print("Installing flash_image...\n");
system("cp /res/htcd/flash_imagesys /system/bin/flash_image && chmod 755 /system/bin/flash_image");
need_libs = 1;
} else
ui_print("flash_image is already installed, skipping...\n");
if (!Path_Exists("/system/bin/dump_image")) {
ui_print("Installing dump_image...\n");
system("cp /res/htcd/dump_imagesys /system/bin/dump_image && chmod 755 /system/bin/dump_image");
need_libs = 1;
} else
ui_print("dump_image is already installed, skipping...\n");
if (need_libs) {
ui_print("Installing libs needed for flash_image and dump_image...\n");
system("cp /res/htcd/libbmlutils.so /system/lib && chmod 755 /system/lib/libbmlutils.so");
system("cp /res/htcd/libflashutils.so /system/lib && chmod 755 /system/lib/libflashutils.so");
system("cp /res/htcd/libmmcutils.so /system/lib && chmod 755 /system/lib/libmmcutils.so");
system("cp /res/htcd/libmtdutils.so /system/lib && chmod 755 /system/lib/libmtdutils.so");
}
ui_print("Installing HTC Dumlock app...\n");
mkdir("/data/app", 0777);
system("rm /data/app/com.teamwin.htcdumlock*");
system("cp /res/htcd/HTCDumlock.apk /data/app/com.teamwin.htcdumlock.apk");
sync();
ui_print("HTC Dumlock is installed.\n");
}
void TWFunc::htc_dumlock_restore_original_boot(void) {
if (!PartitionManager.Mount_By_Path("/sdcard", true))
return;
ui_print("Restoring original boot...\n");
system("htcdumlock restore");
ui_print("Original boot restored.\n");
}
void TWFunc::htc_dumlock_reflash_recovery_to_boot(void) {
if (!PartitionManager.Mount_By_Path("/sdcard", true))
return;
ui_print("Reflashing recovery to boot...\n");
system("htcdumlock recovery noreboot");
ui_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) {
LOGE("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(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 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;
}
static const char *COMMAND_FILE = "/cache/recovery/command";
static const char *INTENT_FILE = "/cache/recovery/intent";
static const char *LOG_FILE = "/cache/recovery/log";
static const char *LAST_LOG_FILE = "/cache/recovery/last_log";
static const char *LAST_INSTALL_FILE = "/cache/recovery/last_install";
static const char *CACHE_ROOT = "/cache";
static const char *SDCARD_ROOT = "/sdcard";
static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install";
// close a file, log an error if the error indicator is set
void TWFunc::check_and_fclose(FILE *fp, const char *name) {
fflush(fp);
if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
fclose(fp);
}
void TWFunc::copy_log_file(const char* source, const char* destination, int append) {
FILE *log = fopen_path(destination, append ? "a" : "w");
if (log == NULL) {
LOGE("Can't open %s\n", destination);
} else {
FILE *tmplog = fopen(source, "r");
if (tmplog != NULL) {
if (append) {
fseek(tmplog, tmplog_offset, SEEK_SET); // Since last write
}
char buf[4096];
while (fgets(buf, sizeof(buf), tmplog)) fputs(buf, log);
if (append) {
tmplog_offset = ftell(tmplog);
}
check_and_fclose(tmplog, source);
}
check_and_fclose(log, destination);
}
}
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read), and
// record any intent we were asked to communicate back to the system.
// this function is idempotent: call it as many times as you like.
void TWFunc::twfinish_recovery(const char *send_intent) {
// By this point, we're ready to return to the main system...
if (send_intent != NULL) {
FILE *fp = fopen_path(INTENT_FILE, "w");
if (fp == NULL) {
LOGE("Can't open %s\n", INTENT_FILE);
} else {
fputs(send_intent, fp);
check_and_fclose(fp, INTENT_FILE);
}
}
// Copy logs to cache so the system can find out what happened.
copy_log_file(TEMPORARY_LOG_FILE, LOG_FILE, true);
copy_log_file(TEMPORARY_LOG_FILE, LAST_LOG_FILE, false);
copy_log_file(TEMPORARY_INSTALL_FILE, LAST_INSTALL_FILE, false);
chmod(LOG_FILE, 0600);
chown(LOG_FILE, 1000, 1000); // system user
chmod(LAST_LOG_FILE, 0640);
chmod(LAST_INSTALL_FILE, 0644);
// Reset to normal system boot so recovery won't cycle indefinitely.
struct bootloader_message boot;
memset(&boot, 0, sizeof(boot));
set_bootloader_message(&boot);
// Remove the command file, so recovery won't repeat indefinitely.
if (system("mount /cache") != 0 ||
(unlink(COMMAND_FILE) && errno != ENOENT)) {
LOGW("Can't unlink %s\n", COMMAND_FILE);
}
system("umount /cache");
sync(); // For good measure.
}
// 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:
twfinish_recovery("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");
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");
return 1;
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;
if (stat(script_file, &st) == 0) {
ui_print("Running %s script...\n", display_name);
char command[255];
strcpy(command, "chmod 755 ");
strcat(command, script_file);
system(command);
system(script_file);
ui_print("\nFinished running %s script.\n", display_name);
}
}
void TWFunc::Output_Version(void) {
string Path, Command;
char version[255];
Path = DataManager::GetSettingsStoragePath();
if (!PartitionManager.Mount_By_Path(Path, false)) {
LOGI("Unable to mount '%s' to write version number.\n", Path.c_str());
return;
}
Path += "/TWRP/.version";
if (Path_Exists(Path)) {
Command = "rm -f " + Path;
system(Command.c_str());
}
FILE *fp = fopen(Path.c_str(), "w");
if (fp == NULL) {
LOGE("Unable to open '%s'.\n", Path.c_str());
return;
}
strcpy(version, TW_VERSION_STR);
fwrite(version, sizeof(version[0]), strlen(version) / sizeof(version[0]), fp);
fclose(fp);
sync();
}