RecoveryInstaller::ProceedState RecoveryInstaller::on_set_up_chroot() { // Copy /etc/fstab util::copy_file("/etc/fstab", in_chroot("/etc/fstab"), util::COPY_ATTRIBUTES | util::COPY_XATTRS); // Copy /etc/recovery.fstab util::copy_file("/etc/recovery.fstab", in_chroot("/etc/recovery.fstab"), util::COPY_ATTRIBUTES | util::COPY_XATTRS); return ProceedState::Continue; }
int main (int argc, char *argv[]) { if (in_chroot () && ! dbus_configured ()) { fprintf(stderr, "\n\n" "WARNING: not running %s tests as within " "chroot environment without D-Bus" "\n\n", __FILE__); } else { test_libupstart (); } return 0; }
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; }
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. mbp::BootImage bi; if (!bi.loadFile(_recovery_block_dev)) { display_msg("Failed to load recovery partition image"); return ProceedState::Fail; } const unsigned char *ramdisk_data; std::size_t ramdisk_size; bi.ramdiskImageC(&ramdisk_data, &ramdisk_size); 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; } // Load recovery properties util::file_get_all_properties( in_chroot("/default.recovery.prop"), &_recovery_props); return ProceedState::Continue; }