Installer::ProceedState RomInstaller::on_checked_device()
{
// /sbin is not going to be populated with anything useful in a normal boot
// image. We can almost guarantee that a recovery image is going to be
// installed though, so we'll open the recovery partition with libmbp and
// extract its /sbin with libarchive into the chroot's /sbin.
std::string block_dev(_recovery_block_dev);
mbp::BootImage bi;
mbp::CpioFile innerCpio;
const unsigned char *ramdisk_data;
std::size_t ramdisk_size;
bool using_boot = false;
// Check if the device has a combined boot/recovery partition. If the
// FOTAKernel partition is listed, it will be used instead of the combined
// ramdisk from the boot image
bool combined = mb_device_flags(_device)
& FLAG_HAS_COMBINED_BOOT_AND_RECOVERY;
if (combined && block_dev.empty()) {
block_dev = _boot_block_dev;
using_boot = true;
}
if (block_dev.empty()) {
display_msg("Could not determine the recovery block device");
return ProceedState::Fail;
}
if (!bi.loadFile(block_dev)) {
display_msg("Failed to load recovery partition image");
return ProceedState::Fail;
}
// Load ramdisk
bi.ramdiskImageC(&ramdisk_data, &ramdisk_size);
if (using_boot) {
if (!innerCpio.load(ramdisk_data, ramdisk_size)) {
display_msg("Failed to load ramdisk from combined boot image");
return ProceedState::Fail;
}
if (!innerCpio.contentsC("sbin/ramdisk-recovery.cpio",
&ramdisk_data, &ramdisk_size)) {
display_msg("Could not find recovery ramdisk in combined boot image");
return ProceedState::Fail;
}
}
autoclose::archive in(archive_read_new(), archive_read_free);
autoclose::archive out(archive_write_disk_new(), archive_write_free);
if (!in || !out) {
LOGE("Out of memory");
return ProceedState::Fail;
}
archive_entry *entry;
// Set up input
archive_read_support_filter_gzip(in.get());
archive_read_support_filter_lzop(in.get());
archive_read_support_filter_lz4(in.get());
archive_read_support_filter_lzma(in.get());
archive_read_support_filter_xz(in.get());
archive_read_support_format_cpio(in.get());
int ret = archive_read_open_memory(in.get(),
const_cast<unsigned char *>(ramdisk_data), ramdisk_size);
if (ret != ARCHIVE_OK) {
LOGW("Failed to open recovery ramdisk: %s",
archive_error_string(in.get()));
return ProceedState::Fail;
}
// Set up output
archive_write_disk_set_options(out.get(),
ARCHIVE_EXTRACT_ACL |
ARCHIVE_EXTRACT_FFLAGS |
ARCHIVE_EXTRACT_PERM |
ARCHIVE_EXTRACT_SECURE_NODOTDOT |
ARCHIVE_EXTRACT_SECURE_SYMLINKS |
ARCHIVE_EXTRACT_TIME |
ARCHIVE_EXTRACT_UNLINK |
ARCHIVE_EXTRACT_XATTR);
while ((ret = archive_read_next_header(in.get(), &entry)) == ARCHIVE_OK) {
std::string path = archive_entry_pathname(entry);
if (path == "default.prop") {
path = "default.recovery.prop";
} else if (!util::starts_with(path, "sbin/")) {
continue;
}
LOGE("Copying from recovery: %s", path.c_str());
archive_entry_set_pathname(entry, in_chroot(path).c_str());
if (util::libarchive_copy_header_and_data(
in.get(), out.get(), entry) != ARCHIVE_OK) {
return ProceedState::Fail;
}
archive_entry_set_pathname(entry, path.c_str());
}
if (ret != ARCHIVE_EOF) {
LOGE("Archive extraction ended without reaching EOF: %s",
archive_error_string(in.get()));
return ProceedState::Fail;
}
// Create fake /etc/fstab file to please installers that read the file
std::string etc_fstab(in_chroot("/etc/fstab"));
if (access(etc_fstab.c_str(), R_OK) < 0 && errno == ENOENT) {
autoclose::file fp(autoclose::fopen(etc_fstab.c_str(), "w"));
if (fp) {
auto system_devs = mb_device_system_block_devs(_device);
auto cache_devs = mb_device_cache_block_devs(_device);
auto data_devs = mb_device_data_block_devs(_device);
// Set block device if it's provided and non-empty
const char *system_dev =
system_devs && system_devs[0] && system_devs[0][0]
? system_devs[0] : "dummy";
const char *cache_dev =
cache_devs && cache_devs[0] && cache_devs[0][0]
? cache_devs[0] : "dummy";
const char *data_dev =
data_devs && data_devs[0] && data_devs[0][0]
? data_devs[0] : "dummy";
fprintf(fp.get(), "%s /system ext4 rw 0 0\n", system_dev);
fprintf(fp.get(), "%s /cache ext4 rw 0 0\n", cache_dev);
fprintf(fp.get(), "%s /data ext4 rw 0 0\n", data_dev);
}
}
// Load recovery properties
util::file_get_all_properties(
in_chroot("/default.recovery.prop"), &_recovery_props);
return ProceedState::Continue;
}
TEST(JsonTest, LoadCompleteDefinition)
{
ScopedDevice sd(sample_complete);
ASSERT_NE(sd.device, nullptr);
ASSERT_STREQ(mb_device_id(sd.device), "test");
const char *codenames[] = { "test1", "test2", "test3", "test4", nullptr };
ASSERT_TRUE(string_array_eq(mb_device_codenames(sd.device), codenames));
ASSERT_STREQ(mb_device_name(sd.device), "Test Device");
ASSERT_STREQ(mb_device_architecture(sd.device), "arm64-v8a");
uint64_t device_flags = FLAG_HAS_COMBINED_BOOT_AND_RECOVERY;
ASSERT_EQ(mb_device_flags(sd.device), device_flags);
const char *base_dirs[] = { "/dev/block/bootdevice/by-name", nullptr };
ASSERT_TRUE(string_array_eq(mb_device_block_dev_base_dirs(sd.device), base_dirs));
const char *system_devs[] = {
"/dev/block/bootdevice/by-name/system",
"/dev/block/sda1",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_system_block_devs(sd.device), system_devs));
const char *cache_devs[] = {
"/dev/block/bootdevice/by-name/cache",
"/dev/block/sda2",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_cache_block_devs(sd.device), cache_devs));
const char *data_devs[] = {
"/dev/block/bootdevice/by-name/userdata",
"/dev/block/sda3",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_data_block_devs(sd.device), data_devs));
const char *boot_devs[] = {
"/dev/block/bootdevice/by-name/boot",
"/dev/block/sda4",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_boot_block_devs(sd.device), boot_devs));
const char *recovery_devs[] = {
"/dev/block/bootdevice/by-name/recovery",
"/dev/block/sda5",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_recovery_block_devs(sd.device), recovery_devs));
const char *extra_devs[] = {
"/dev/block/bootdevice/by-name/modem",
"/dev/block/sda6",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_extra_block_devs(sd.device), extra_devs));
/* Boot UI */
ASSERT_EQ(mb_device_tw_supported(sd.device), true);
uint64_t flags =
FLAG_TW_TOUCHSCREEN_SWAP_XY
| FLAG_TW_TOUCHSCREEN_FLIP_X
| FLAG_TW_TOUCHSCREEN_FLIP_Y
| FLAG_TW_GRAPHICS_FORCE_USE_LINELENGTH
| FLAG_TW_SCREEN_BLANK_ON_BOOT
| FLAG_TW_BOARD_HAS_FLIPPED_SCREEN
| FLAG_TW_IGNORE_MAJOR_AXIS_0
| FLAG_TW_IGNORE_MT_POSITION_0
| FLAG_TW_IGNORE_ABS_MT_TRACKING_ID
| FLAG_TW_NEW_ION_HEAP
| FLAG_TW_NO_SCREEN_BLANK
| FLAG_TW_NO_SCREEN_TIMEOUT
| FLAG_TW_ROUND_SCREEN
| FLAG_TW_NO_CPU_TEMP
| FLAG_TW_QCOM_RTC_FIX
| FLAG_TW_HAS_DOWNLOAD_MODE
| FLAG_TW_PREFER_LCD_BACKLIGHT;
ASSERT_EQ(mb_device_tw_flags(sd.device), flags);
ASSERT_EQ(mb_device_tw_pixel_format(sd.device), TW_PIXEL_FORMAT_RGBA_8888);
ASSERT_EQ(mb_device_tw_force_pixel_format(sd.device), TW_FORCE_PIXEL_FORMAT_RGB_565);
ASSERT_EQ(mb_device_tw_overscan_percent(sd.device), 10);
ASSERT_EQ(mb_device_tw_default_x_offset(sd.device), 20);
ASSERT_EQ(mb_device_tw_default_y_offset(sd.device), 30);
ASSERT_STREQ(mb_device_tw_brightness_path(sd.device), "/sys/class/backlight");
ASSERT_STREQ(mb_device_tw_secondary_brightness_path(sd.device), "/sys/class/lcd-backlight");
ASSERT_EQ(mb_device_tw_max_brightness(sd.device), 255);
ASSERT_EQ(mb_device_tw_default_brightness(sd.device), 100);
ASSERT_STREQ(mb_device_tw_battery_path(sd.device), "/sys/class/battery");
ASSERT_STREQ(mb_device_tw_cpu_temp_path(sd.device), "/sys/class/cputemp");
ASSERT_STREQ(mb_device_tw_input_blacklist(sd.device), "foo");
ASSERT_STREQ(mb_device_tw_input_whitelist(sd.device), "bar");
const char *graphics_backends[] = {
"overlay_msm_old",
"fbdev",
nullptr
};
ASSERT_TRUE(string_array_eq(mb_device_tw_graphics_backends(sd.device), graphics_backends));
ASSERT_STREQ(mb_device_tw_theme(sd.device), "portrait_hdpi");
}