forked from Tasssadar/Team-Win-Recovery-Project
/
multirom.cpp
3015 lines (2526 loc) · 75.1 KB
/
multirom.cpp
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#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include <linux/capability.h>
#include <linux/xattr.h>
#include <sys/xattr.h>
#include <sys/vfs.h>
// clone libbootimg to /system/extras/ from
// https://github.com/Tasssadar/libbootimg.git
#include <libbootimg.h>
#if LIBBOOTIMG_VERSION < 0x000200
#error "libbootimg version 0.2.0 or higher is required. Please update libbootimg."
#endif
#include "multirom.h"
#include "partitions.hpp"
#include "twrp-functions.hpp"
#include "twinstall.h"
#include "minzip/SysUtil.h"
#include "minzip/Zip.h"
#include "verifier.h"
#include "variables.h"
#include "openrecoveryscript.hpp"
#include "fuse_sideload.h"
#include "multiromedify.h"
extern "C" {
#include "twcommon.h"
#include "digest/md5.h"
#include "multirom_hooks.h"
}
#include "libblkid/include/blkid.h"
#include "cp_xattrs/libcp_xattrs.h"
std::string MultiROM::m_path = "";
std::string MultiROM::m_boot_dev = "";
std::string MultiROM::m_mount_rom_paths[2] = { "", "" };
std::string MultiROM::m_curr_roms_path = "";
MROMInstaller *MultiROM::m_installer = NULL;
MultiROM::baseFolders MultiROM::m_base_folders;
int MultiROM::m_base_folder_cnt = 0;
bool MultiROM::m_has_firmware = false;
base_folder::base_folder(const std::string& name, int min_size, int size)
{
this->name = name;
this->min_size = min_size;
this->size = size;
}
base_folder::base_folder(const base_folder& other)
{
name = other.name;
min_size = other.min_size;
size = other.size;
}
base_folder::base_folder()
{
min_size = 1;
size = 1;
}
MultiROM::config::config()
{
current_rom = INTERNAL_NAME;
auto_boot_seconds = 5;
auto_boot_rom = INTERNAL_NAME;
auto_boot_type = 0;
colors = 0;
brightness = 40;
hide_internal = 0;
int_display_name = INTERNAL_NAME;
rotation = TW_DEFAULT_ROTATION;
enable_adb = 0;
force_generic_fb = 0;
anim_duration_coef_pct = 100;
}
bool MultiROM::folderExists()
{
findPath();
return !m_path.empty();
}
std::string MultiROM::getRomsPath()
{
return m_curr_roms_path;
}
std::string MultiROM::getPath()
{
return m_path;
}
void MultiROM::findPath()
{
TWPartition *boot = PartitionManager.Find_Partition_By_Path("/boot");
TWPartition *data = PartitionManager.Find_Partition_By_Path("/data");
if(!boot || !data)
{
gui_print("Failed to find boot or data device!\n");
m_path.clear();
return;
}
if(!data->Mount(true))
{
gui_print("Failed to mount /data partition!\n");
m_path.clear();
return;
}
m_boot_dev = boot->Actual_Block_Device;
TWPartition *fw = PartitionManager.Find_Partition_By_Path("/firmware");
m_has_firmware = (fw && fw->Current_File_System == "vfat");
static const char *paths[] = {
"/data/media/multirom",
"/data/media/0/multirom",
NULL
};
struct stat info;
for(int i = 0; paths[i]; ++i)
{
if(stat(paths[i], &info) >= 0)
{
m_path = paths[i];
m_curr_roms_path = m_path + "/roms/";
return;
}
}
m_path.clear();
}
bool MultiROM::setRomsPath(std::string loc)
{
umount("/mnt"); // umount last thing mounted there
if(loc.compare(INTERNAL_MEM_LOC_TXT) == 0)
{
m_curr_roms_path = m_path + "/roms/";
return true;
}
size_t idx = loc.find(' ');
if(idx == std::string::npos)
{
m_curr_roms_path.clear();
return false;
}
std::string dev = loc.substr(0, idx);
mkdir("/mnt", 0777); // in case it does not exist
char cmd[256];
if(loc.find("(ntfs") != std::string::npos)
sprintf(cmd, "ntfs-3g %s /mnt", dev.c_str());
#ifndef TW_NO_EXFAT_FUSE
else if(loc.find("(exfat)") != std::string::npos)
sprintf(cmd, "exfat-fuse -o big_writes,max_read=131072,max_write=131072,nonempty %s /mnt", dev.c_str());
#endif
else
sprintf(cmd, "mount %s /mnt", dev.c_str());
if(system(cmd) != 0)
{
LOGERR("Failed to mount location \"%s\"!\n", loc.c_str());
return false;
}
m_curr_roms_path = "/mnt/multirom-"TARGET_DEVICE"/";
mkdir("/mnt/multirom-"TARGET_DEVICE"/", 0777);
return true;
}
std::string MultiROM::listInstallLocations()
{
std::string res = INTERNAL_MEM_LOC_TXT"\n";
blkid_probe pr;
const char *type;
struct dirent *dt;
char path[64];
DIR *d = opendir("/dev/block/");
if(!d)
return res;
while((dt = readdir(d)))
{
if(strncmp(dt->d_name, "mmcblk0", 7) == 0 || strncmp(dt->d_name, "dm-", 3) == 0)
continue;
snprintf(path, sizeof(path), "/dev/block/%s", dt->d_name);
pr = blkid_new_probe_from_filename(path);
if(!pr)
continue;
blkid_do_safeprobe(pr);
if (blkid_probe_lookup_value(pr, "TYPE", &type, NULL) >= 0)
{
res += "/dev/block/";
res += dt->d_name;
res += " (";
res += type;
res += ")\n";
}
blkid_free_probe(pr);
}
closedir(d);
return res;
}
void MultiROM::updateSupportedSystems()
{
char p[64];
snprintf(p, sizeof(p), "%s/infos/ubuntu.txt", m_path.c_str());
DataManager::SetValue("tw_multirom_ubuntu_supported", (access(p, F_OK) >= 0) ? 1 : 0);
snprintf(p, sizeof(p), "%s/infos/sailfishos.txt", m_path.c_str());
DataManager::SetValue("tw_multirom_sailfish_supported", (access(p, F_OK) >= 0) ? 1 : 0);
}
bool MultiROM::installLocNeedsImages(const std::string& loc)
{
return loc.compare(INTERNAL_MEM_LOC_TXT) != 0 &&
loc.find("(ext") == std::string::npos &&
loc.find("(f2fs)") == std::string::npos;
}
bool MultiROM::move(std::string from, std::string to)
{
std::string roms = getRomsPath();
std::string cmd = "mv \"" + roms + "/" + from + "\" ";
cmd += "\"" + roms + "/" + to + "\"";
gui_print("Moving ROM \"%s\" to \"%s\"...\n", from.c_str(), to.c_str());
return system(cmd.c_str()) == 0;
}
bool MultiROM::erase(std::string name)
{
std::string path = getRomsPath() + "/" + name;
gui_print("Erasing ROM \"%s\"...\n", name.c_str());
int res = system_args("chattr -R -i \"%s\"", path.c_str());
if(res != 0)
{
gui_print("Failed to remove immutable attribute from that folder!\n");
return false;
}
res = system_args("rm -rf \"%s\"", path.c_str());
sync();
return res == 0;
}
bool MultiROM::wipe(std::string name, std::string what)
{
gui_print("Changing mountpoints...\n");
if(!changeMounts(name))
{
gui_print("Failed to change mountpoints!\n");
return false;
}
char cmd[256];
bool res = true;
if(what == "dalvik")
{
static const char *dirs[] = {
"data/dalvik-cache",
"cache/dalvik-cache",
"cache/dc",
};
for(uint8_t i = 0; res && i < sizeof(dirs)/sizeof(dirs[0]); ++i)
{
sprintf(cmd, "rm -rf \"/%s\"", dirs[i]);
gui_print("Wiping dalvik: %s...\n", dirs[i]);
res = (system(cmd) == 0);
}
}
else
{
sprintf(cmd, "rm -rf \"/%s/\"*", what.c_str());
gui_print("Wiping ROM's /%s...\n", what.c_str());
res = (system(cmd) == 0);
}
sync();
if(!res)
gui_print("ERROR: Failed to erase %s!\n", what.c_str());
gui_print("Restoring mountpoints...\n");
restoreMounts();
return res;
}
bool MultiROM::restorecon(std::string name)
{
bool res = false;
bool replaced_contexts = false;
std::string file_contexts = getRomsPath() + name;
std::string seapp_contexts = file_contexts + "/boot/seapp_contexts";
file_contexts += "/boot/file_contexts";
if(access(file_contexts.c_str(), R_OK) >= 0)
{
gui_print("Using ROM's file_contexts\n");
rename("/file_contexts", "/file_contexts.orig");
rename("/seapp_contexts", "/seapp_contexts.orig");
system_args("cp -a \"%s\" /file_contexts", file_contexts.c_str());
system_args("cp -a \"%s\" /seapp_contexts", seapp_contexts.c_str());
replaced_contexts = true;
}
if(!changeMounts(name))
goto exit;
#if PLATFORM_SDK_VERSION >= 21
#define RESTORECON_ARGS "-RFDv"
#else
#define RESTORECON_ARGS "-RFv"
#endif
static const char * const parts[] = { "/system", "/data", "/cache", NULL };
for(int i = 0; parts[i]; ++i)
{
gui_print("Running restorecon on ROM's %s\n", parts[i]);
system_args("restorecon %s %s", RESTORECON_ARGS, parts[i]);
}
// SuperSU moves the real app_process into _original
gui_print("Settting context for app_processXX_original\n");
system("chcon u:object_r:zygote_exec:s0 /system/bin/app_process32_original");
system("chcon u:object_r:zygote_exec:s0 /system/bin/app_process64_original");
restoreMounts();
res = true;
exit:
if(replaced_contexts) {
rename("/file_contexts.orig", "/file_contexts");
rename("/seapp_contexts.orig", "/seapp_contexts");
}
return res;
}
bool MultiROM::initBackup(const std::string& name)
{
bool hadInternalStorage = (DataManager::GetStrValue("tw_storage_path").find("/data") == 0);
if(!changeMounts(name))
return false;
std::string boot = getRomsPath() + name;
normalizeROMPath(boot);
boot += "/boot.img";
translateToRealdata(boot);
if(!fakeBootPartition(boot.c_str()))
{
restoreMounts();
return false;
}
PartitionManager.Update_System_Details();
if(hadInternalStorage)
{
TWPartition *realdata = PartitionManager.Find_Partition_By_Path("/realdata");
if(!realdata)
{
LOGERR("Couldn't find /realdata!\n");
restoreBootPartition();
restoreMounts();
return false;
}
DataManager::SetValue("tw_settings_path", realdata->Storage_Path);
DataManager::SetValue("tw_storage_path", realdata->Storage_Path);
DataManager::SetBackupFolder();
}
DataManager::SetValue("multirom_do_backup", 1);
DataManager::SetValue("multirom_rom_name_title", 1);
return true;
}
void MultiROM::deinitBackup()
{
bool hadInternalStorage = (DataManager::GetStrValue("tw_storage_path").find(REALDATA) == 0);
restoreBootPartition();
restoreMounts();
DataManager::SetValue("multirom_do_backup", 0);
DataManager::SetValue("multirom_rom_name_title", 0);
if(hadInternalStorage)
{
TWPartition *data = PartitionManager.Find_Partition_By_Path("/data");
if(!data)
{
LOGERR("Couldn't find /realdata!\n");
return;
}
DataManager::SetValue("tw_settings_path", data->Storage_Path);
DataManager::SetValue("tw_storage_path", data->Storage_Path);
DataManager::SetBackupFolder();
}
}
int MultiROM::getType(std::string name)
{
std::string path = getRomsPath() + "/" + name + "/";
if(getRomsPath().find("/mnt") != 0) // Internal memory
{
if(name == INTERNAL_NAME)
return ROM_INTERNAL_PRIMARY;
if (access((path + "system").c_str(), F_OK) >= 0 &&
access((path + "data").c_str(), F_OK) >= 0 &&
access((path + "cache").c_str(), F_OK) >= 0)
{
if(access((path + "boot").c_str(), F_OK) >= 0)
return ROM_ANDROID_INTERNAL;
else
return ROM_UTOUCH_INTERNAL;
}
if (access((path + "data").c_str(), F_OK) >= 0 &&
access((path + "rom_info.txt").c_str(), F_OK) >= 0)
{
return ROM_SAILFISH_INTERNAL;
}
if(access((path + "root").c_str(), F_OK) >= 0)
return ROM_UBUNTU_INTERNAL;
}
else // USB roms
{
if (access((path + "system").c_str(), F_OK) >= 0 &&
access((path + "data").c_str(), F_OK) >= 0 &&
access((path + "cache").c_str(), F_OK) >= 0)
{
if(access((path + "boot").c_str(), F_OK) >= 0)
return ROM_ANDROID_USB_DIR;
else
return ROM_UTOUCH_USB_DIR;
}
if (access((path + "system.img").c_str(), F_OK) >= 0 &&
access((path + "data.img").c_str(), F_OK) >= 0 &&
access((path + "cache.img").c_str(), F_OK) >= 0)
{
if(access((path + "boot").c_str(), F_OK) >= 0)
return ROM_ANDROID_USB_IMG;
else
return ROM_UTOUCH_USB_IMG;
}
if(access((path + "root").c_str(), F_OK) >= 0)
return ROM_UBUNTU_USB_DIR;
if(access((path + "root.img").c_str(), F_OK) >= 0)
return ROM_UBUNTU_USB_IMG;
}
return ROM_UNKNOWN;
}
static bool rom_sort(std::string a, std::string b)
{
if(a == INTERNAL_NAME)
return true;
if(b == INTERNAL_NAME)
return false;
return a.compare(b) < 0;
}
std::string MultiROM::listRoms(uint32_t mask, bool with_bootimg_only)
{
DIR *d = opendir(getRomsPath().c_str());
if(!d)
return "";
int type;
std::vector<std::string> vec;
struct dirent *dr;
while((dr = readdir(d)) != NULL)
{
if(dr->d_type != DT_DIR)
continue;
if(dr->d_name[0] == '.')
continue;
if(mask == MASK_ALL)
vec.push_back(dr->d_name);
else
{
type = M(getType(dr->d_name));
if(!(type & mask))
continue;
if((type & MASK_ANDROID) && with_bootimg_only)
{
std::string path = getRomsPath() + dr->d_name + "/boot.img";
if(access(path.c_str(), F_OK) < 0)
continue;
}
vec.push_back(dr->d_name);
}
}
closedir(d);
std::sort(vec.begin(), vec.end(), rom_sort);
std::string res = "";
for(size_t i = 0; i < vec.size(); ++i)
res += vec[i] + "\n";
return res;
}
MultiROM::config MultiROM::loadConfig()
{
config cfg;
FILE *f = fopen((m_path + "/multirom.ini").c_str(), "r");
if(f)
{
char line[512];
char *p;
std::string name, val;
while(fgets(line, sizeof(line), f))
{
p = strtok(line, "=\n");
if(!p)
continue;
name = p;
p = strtok(NULL, "=\n");
if(!p)
continue;
val = p;
if(name == "current_rom")
cfg.current_rom = val;
else if(name == "auto_boot_seconds")
cfg.auto_boot_seconds = atoi(val.c_str());
else if(name == "auto_boot_rom")
cfg.auto_boot_rom = val;
else if(name == "auto_boot_type")
cfg.auto_boot_type = atoi(val.c_str());
else if(name == "colors_v2")
cfg.colors = atoi(val.c_str());
else if(name == "brightness")
cfg.brightness = atoi(val.c_str());
else if(name == "enable_adb")
cfg.enable_adb = atoi(val.c_str());
else if(name == "hide_internal")
cfg.hide_internal = atoi(val.c_str());
else if(name == "int_display_name")
cfg.int_display_name = val;
else if(name == "rotation")
cfg.rotation = atoi(val.c_str());
else if(name == "force_generic_fb")
cfg.force_generic_fb = atoi(val.c_str());
else if(name == "anim_duration_coef_pct")
cfg.anim_duration_coef_pct = atoi(val.c_str());
else
cfg.unrecognized_opts += name + "=" + val + "\n";
}
fclose(f);
}
return cfg;
}
void MultiROM::saveConfig(const MultiROM::config& cfg)
{
FILE *f = fopen((m_path + "/multirom.ini").c_str(), "w");
if(!f)
return;
fprintf(f, "current_rom=%s\n", cfg.current_rom.c_str());
fprintf(f, "auto_boot_seconds=%d\n", cfg.auto_boot_seconds);
fprintf(f, "auto_boot_rom=%s\n", cfg.auto_boot_rom.c_str());
fprintf(f, "auto_boot_type=%d\n", cfg.auto_boot_type);
fprintf(f, "colors_v2=%d\n", cfg.colors);
fprintf(f, "brightness=%d\n", cfg.brightness);
fprintf(f, "enable_adb=%d\n", cfg.enable_adb);
fprintf(f, "hide_internal=%d\n", cfg.hide_internal);
fprintf(f, "int_display_name=%s\n", cfg.int_display_name.c_str());
fprintf(f, "rotation=%d\n", cfg.rotation);
fprintf(f, "force_generic_fb=%d\n", cfg.force_generic_fb);
fprintf(f, "anim_duration_coef_pct=%d\n", cfg.anim_duration_coef_pct);
fputs(cfg.unrecognized_opts.c_str(), f);
fclose(f);
}
bool MultiROM::changeMounts(std::string name)
{
gui_print("Changing mounts to ROM %s...\n", name.c_str());
int type = getType(name);
std::string base = getRomsPath() + name;
normalizeROMPath(base);
if(M(type) & MASK_INTERNAL)
base.replace(0, 5, REALDATA);
sync();
mkdir(REALDATA, 0777);
PartitionManager.Copy_And_Push_Context();
TWPartition *realdata, *data, *sys, *cache;
std::vector<TWPartition*>& parts = PartitionManager.getPartitions();
for(std::vector<TWPartition*>::iterator itr = parts.begin(); itr != parts.end();)
{
if((*itr)->Mount_Point == "/system" || (*itr)->Mount_Point == "/cache")
{
(*itr)->UnMount(true);
delete *itr;
itr = parts.erase(itr);
}
else
{
if((*itr)->Mount_Point == "/data")
data = *itr;
++itr;
}
}
if(!data)
{
gui_print("Failed to find data or boot device!\n");
m_path.clear();
PartitionManager.Pop_Context();
PartitionManager.Update_System_Details();
return false;
}
data->UnMount(true);
realdata = data;
realdata->Display_Name = "Realdata";
realdata->Mount_Point = REALDATA;
realdata->Symlink_Path.replace(0, sizeof("/data")-1, REALDATA);
realdata->Storage_Path.replace(0, sizeof("/data")-1, REALDATA);
realdata->Can_Be_Backed_Up = false;
if(DataManager::GetStrValue(TW_INTERNAL_PATH).find("/data/media") == 0)
{
std::string path = DataManager::GetStrValue(TW_INTERNAL_PATH);
path.replace(0, sizeof("/data")-1, REALDATA);
DataManager::SetValue(TW_INTERNAL_PATH, path);
}
if(DataManager::GetStrValue("tw_storage_path").find("/data/media") == 0)
{
std::string path = DataManager::GetStrValue("tw_storage_path");
path.replace(0, sizeof("/data")-1, REALDATA);
DataManager::SetValue("tw_storage_path", path);
}
if(!data->Mount(true))
{
gui_print("Failed to mount realdata, canceling!\n");
PartitionManager.Pop_Context();
PartitionManager.Update_System_Details();
return false;
}
const char *fs = realdata->Fstab_File_System.c_str();
if(!(M(type) & MASK_IMAGES))
{
data = TWPartition::makePartFromFstab("/data_t %s %s/data flags=bindof=/realdata\n", fs, base.c_str());
sys = TWPartition::makePartFromFstab("/system %s %s/system flags=bindof=/realdata\n", fs, base.c_str());
cache = TWPartition::makePartFromFstab("/cache %s %s/cache flags=bindof=/realdata\n", fs, base.c_str());
}
else
{
data = TWPartition::makePartFromFstab("/data_t %s %s/data.img flags=imagemount\n", fs, base.c_str());
sys = TWPartition::makePartFromFstab("/system %s %s/system.img flags=imagemount\n", fs, base.c_str());
cache = TWPartition::makePartFromFstab("/cache %s %s/cache.img flags=imagemount\n", fs, base.c_str());
}
// Workaround TWRP̈́'s datamedia code
data->Backup_Display_Name = data->Display_Name = "Data";
data->Backup_Name = "data";
data->Backup_Path = data->Mount_Point = "/data";
data->Can_Be_Backed_Up = true;
parts.push_back(data);
parts.push_back(sys);
parts.push_back(cache);
PartitionManager.Output_Partition_Logging();
PartitionManager.Update_Storage_Sizes();
PartitionManager.Write_Fstab();
if(!data->Mount(true) || !sys->Mount(true) || !cache->Mount(true))
{
gui_print("Failed to mount fake partitions, canceling!\n");
data->UnMount(false);
sys->UnMount(false);
cache->UnMount(false);
realdata->UnMount(false);
PartitionManager.Pop_Context();
PartitionManager.Update_System_Details();
return false;
}
// We really don't want scripts to be able to write to real partitions
system("mv /sbin/umount /sbin/umount.bak");
// SuperSU tries *very* hard to mount /data and /system, even looks through
// recovery.fstab and manages to mount the real /system
system("mv /etc/recovery.fstab /etc/recovery.fstab.bak");
return true;
}
void MultiROM::restoreMounts()
{
if(!PartitionManager.Has_Extra_Contexts())
return;
gui_print("Restoring mounts...\n");
system("mv /sbin/umount.bak /sbin/umount");
system("mv /etc/recovery.fstab.bak /etc/recovery.fstab");
// script might have mounted it several times over, we _have_ to umount it all
system("sync;"
"i=0;"
"while"
" [ -n \"$(grep -e /data -e /system -e /realdata -e /cache -e /sdcard /etc/mtab)\" ] &&"
" [ $i -le 10 ];"
"do"
" i=$(( $i + 1 ));"
" umount -d /system /data /cache /sdcard /realdata;"
"done;"
"i=0;"
"while [ $i -le 10 ]; do"
" if [ -e \"/dev/block/loop$i\" ]; then"
" losetup -d \"/dev/block/loop$i\";"
" fi;"
" i=$(( $i + 1 ));"
"done;");
PartitionManager.Pop_Context();
PartitionManager.Update_System_Details();
PartitionManager.Mount_By_Path("/data", true);
PartitionManager.Mount_By_Path("/cache", true);
if(DataManager::GetStrValue(TW_INTERNAL_PATH).find("/realdata/media") == 0)
{
std::string path = DataManager::GetStrValue(TW_INTERNAL_PATH);
path.replace(0, sizeof("/realdata")-1, "/data");
DataManager::SetValue(TW_INTERNAL_PATH, path);
}
if(DataManager::GetStrValue("tw_storage_path").find("/realdata/media") == 0)
{
std::string path = DataManager::GetStrValue("tw_storage_path");
path.replace(0, sizeof("/realdata")-1, "/data");
DataManager::SetValue("tw_storage_path", path);
}
restoreROMPath();
}
void MultiROM::translateToRealdata(std::string& path)
{
if(path.find("/sdcard/") != std::string::npos)
{
struct stat info;
if(stat(REALDATA"/media/0", &info) >= 0)
path.replace(0, strlen("/sdcard/"), REALDATA"/media/0/");
else
path.replace(0, strlen("/sdcard/"), REALDATA"/media/");
}
else if(path.find("/data/media/") != std::string::npos)
path.replace(0, strlen("/data/"), REALDATA"/");
}
void MultiROM::normalizeROMPath(std::string& path)
{
if(!m_mount_rom_paths[0].empty())
{
path = m_mount_rom_paths[1];
return;
}
// remove spaces from path
size_t idx = path.find(' ');
if(idx == std::string::npos)
{
m_mount_rom_paths[0].clear();
return;
}
m_mount_rom_paths[0] = path;
while(idx != std::string::npos)
{
path.replace(idx, 1, "-");
idx = path.find(' ', idx);
}
struct stat info;
while(stat(path.c_str(), &info) >= 0)
path += "a";
m_mount_rom_paths[1] = path;
system_args("mv \"%s\" \"%s\"", m_mount_rom_paths[0].c_str(), path.c_str());
}
void MultiROM::restoreROMPath()
{
if(m_mount_rom_paths[0].empty())
return;
system_args("mv \"%s\" \"%s\"", m_mount_rom_paths[1].c_str(), m_mount_rom_paths[0].c_str());
m_mount_rom_paths[0].clear();
}
bool MultiROM::createFakeSystemImg()
{
std::string sysimg = m_path;
translateToRealdata(sysimg);
TWPartition *data = PartitionManager.Find_Partition_By_Path("/realdata");
TWPartition *sys = PartitionManager.Find_Original_Partition_By_Path("/system");
if(!data || !sys)
{
LOGERR("Failed to find /data or /system partition!\n");
return false;
}
uint64_t size = sys->GetSizeRaw();
if(size == 0)
size = sys->GetSizeTotal();
size = size/1024/1024 + 32;
if(!createImage(sysimg, "system", size))
{
LOGERR("Failed to create system.img!");
return false;
}
std::string loop_device;
if(TWFunc::Exec_Cmd("losetup -f", loop_device) < 0)
{
system_args("rm \"%s/system.img\"", sysimg.c_str());
LOGERR("Failed to find free loop device\n");
return false;
}
TWFunc::trim(loop_device);
if(system_args("losetup \"%s\" \"%s/system.img\"", loop_device.c_str(), sysimg.c_str()) != 0)
{
system_args("rm \"%s/system.img\"", sysimg.c_str());
LOGERR("Failed to setup loop device!\n");
return false;
}
if(system_args("mv \"%s\" \"%s-orig\" && ln -s \"%s\" \"%s\"",
sys->Actual_Block_Device.c_str(), sys->Actual_Block_Device.c_str(), loop_device.c_str(), sys->Actual_Block_Device.c_str()) != 0)
{
system_args("losetup -d \"%s\"; rm -f \"%s/system.img\"", loop_device.c_str(), sysimg.c_str());
LOGERR("Failed to fake system device!\n");
return false;
}
system_args("rm \"%s/system.img\"", sysimg.c_str());
system_args("echo \"%s\" > /tmp/mrom_fakesyspart", sys->Actual_Block_Device.c_str());
return true;
}
#define MR_UPDATE_SCRIPT_PATH "META-INF/com/google/android/"
#define MR_UPDATE_SCRIPT_NAME "META-INF/com/google/android/updater-script"
bool MultiROM::flashZip(std::string rom, std::string file)
{
int status = INSTALL_ERROR;
int verify_status = 0;
int wipe_cache = 0;
int sideloaded = 0;
bool restore_script = false;
EdifyHacker hacker;
std::string boot, sysimg, loop_device;
TWPartition *data, *sys;
gui_print("Flashing ZIP file %s\n", file.c_str());
gui_print("ROM: %s\n", rom.c_str());
if(!verifyZIP(file, verify_status))
return false;
gui_print("Preparing ZIP file...\n");
if(!prepareZIP(file, &hacker, restore_script)) // may change file var
return false;
if(!changeMounts(rom))
{
gui_print("Failed to change mountpoints!\n");
goto exit;
}
boot = getRomsPath() + rom;
normalizeROMPath(boot);
boot += "/boot.img";
translateToRealdata(file);
translateToRealdata(boot);
if(!fakeBootPartition(boot.c_str()))
goto exit;
if(hacker.getProcessFlags() & EDIFY_BLOCK_UPDATES)
{
gui_print("ZIP uses block updates\n");
if(!createFakeSystemImg())
goto exit;
}
DataManager::SetValue(TW_SIGNED_ZIP_VERIFY_VAR, 0);
status = TWinstall_zip(file.c_str(), &wipe_cache);
DataManager::SetValue(TW_SIGNED_ZIP_VERIFY_VAR, verify_status);
if(restore_script && hacker.restoreState() && hacker.writeToFile("/tmp/"MR_UPDATE_SCRIPT_NAME))
{
gui_print("Restoring original updater-script\n");
if(system_args("cd /tmp && zip \"%s\" %s", file.c_str(), MR_UPDATE_SCRIPT_NAME) != 0)
LOGERR("Failed to restore original updater-script, THIS ZIP IS NOW UNUSEABLE FOR NON-MULTIROM FLASHING\n");
}
system("rm -r "MR_UPDATE_SCRIPT_PATH);
if(file == "/tmp/mr_update.zip")
system("rm /tmp/mr_update.zip");
if(status != INSTALL_SUCCESS)
gui_print("Failed to install ZIP!\n");
else
gui_print("ZIP successfully installed\n");
if((hacker.getProcessFlags() & EDIFY_BLOCK_UPDATES) && system_args("busybox umount -d /tmpsystem") != 0)
system_args("dev=\"$(losetup | grep 'system\\.img' | grep -o '/.*:')\"; losetup -d \"${dev%%:}\"");
exit:
if(hacker.getProcessFlags() & EDIFY_BLOCK_UPDATES)
failsafeCheckPartition("/tmp/mrom_fakesyspart");
restoreBootPartition();
restoreMounts();
sideloaded = DataManager::GetIntValue("tw_mrom_sideloaded");
DataManager::SetValue("tw_mrom_sideloaded", 0);
if(sideloaded && file.compare(FUSE_SIDELOAD_HOST_PATHNAME) != 0)
remove(file.c_str());
return (status == INSTALL_SUCCESS);
}
bool MultiROM::flashORSZip(std::string file, int *wipe_cache)
{
int status, verify_status = 0;
EdifyHacker hacker;
bool restore_script = false;
gui_print("Flashing ZIP file %s\n", file.c_str());
if(!verifyZIP(file, verify_status))
return false;
gui_print("Preparing ZIP file...\n");
if(!prepareZIP(file, &hacker, restore_script)) // may change file var
return false;
if(hacker.getProcessFlags() & EDIFY_BLOCK_UPDATES)
{
gui_print("ZIP uses block updates\n");
if(!createFakeSystemImg())
return false;