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authorPetr Štetiar <ynezz@true.cz>2020-11-04 10:39:42 +0100
committerPetr Štetiar <ynezz@true.cz>2020-11-09 09:14:02 +0100
commitaeb26f8434bdc9d4263328a0b7493fae5d74b334 (patch)
treeaebf05ed5842512f4f5b22eefa4f996620277883 /scripts
parentb1b8abaf588e7ec269e924828bcd40a0a9738b0d (diff)
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rtl838x: d-link_dgs-1210: refactor common family bits
So the common bits can be easily shared with other boards in the family and while at it add missing SPDX license identifiers into the DTS files and fixed alphabetic sorting of the devices in the images. Signed-off-by: Petr Štetiar <ynezz@true.cz>
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-14 06:33:48 +0000
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/*
 * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.service;

import android.app.IntentService;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;

import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.FileHelper;
import org.sufficientlysecure.keychain.helper.OtherHelper;
import org.sufficientlysecure.keychain.helper.Preferences;
import org.sufficientlysecure.keychain.keyimport.HkpKeyserver;
import org.sufficientlysecure.keychain.keyimport.Keyserver;
import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
import org.sufficientlysecure.keychain.keyimport.KeybaseKeyserver;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.PgpHelper;
import org.sufficientlysecure.keychain.pgp.PgpImportExport;
import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
import org.sufficientlysecure.keychain.pgp.Progressable;
import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import org.sufficientlysecure.keychain.pgp.WrappedPublicKeyRing;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKey;
import org.sufficientlysecure.keychain.pgp.WrappedSecretKeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralMsgIdException;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainDatabase;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.OperationResultParcel.OperationLog;
import org.sufficientlysecure.keychain.util.InputData;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.ProgressScaler;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * This Service contains all important long lasting operations for APG. It receives Intents with
 * data from the activities or other apps, queues these intents, executes them, and stops itself
 * after doing them.
 */
public class KeychainIntentService extends IntentService
        implements Progressable, PgpImportExport.KeychainServiceListener {

    /* extras that can be given by intent */
    public static final String EXTRA_MESSENGER = "messenger";
    public static final String EXTRA_DATA = "data";

    /* possible actions */
    public static final String ACTION_ENCRYPT_SIGN = Constants.INTENT_PREFIX + "ENCRYPT_SIGN";

    public static final String ACTION_DECRYPT_VERIFY = Constants.INTENT_PREFIX + "DECRYPT_VERIFY";

    public static final String ACTION_SAVE_KEYRING = Constants.INTENT_PREFIX + "SAVE_KEYRING";

    public static final String ACTION_DELETE_FILE_SECURELY = Constants.INTENT_PREFIX
            + "DELETE_FILE_SECURELY";

    public static final String ACTION_IMPORT_KEYRING = Constants.INTENT_PREFIX + "IMPORT_KEYRING";
    public static final String ACTION_EXPORT_KEYRING = Constants.INTENT_PREFIX + "EXPORT_KEYRING";

    public static final String ACTION_UPLOAD_KEYRING = Constants.INTENT_PREFIX + "UPLOAD_KEYRING";
    public static final String ACTION_DOWNLOAD_AND_IMPORT_KEYS = Constants.INTENT_PREFIX + "QUERY_KEYRING";
    public static final String ACTION_IMPORT_KEYBASE_KEYS = Constants.INTENT_PREFIX + "DOWNLOAD_KEYBASE";

    public static final String ACTION_CERTIFY_KEYRING = Constants.INTENT_PREFIX + "SIGN_KEYRING";

    /* keys for data bundle */

    // encrypt, decrypt, import export
    public static final String TARGET = "target";
    public static final String SOURCE = "source";
    // possible targets:
    public static final int IO_BYTES = 1;
    public static final int IO_FILE = 2; // This was misleadingly TARGET_URI before!
    public static final int IO_URI = 3;

    // encrypt
    public static final String ENCRYPT_SIGNATURE_KEY_ID = "secret_key_id";
    public static final String ENCRYPT_USE_ASCII_ARMOR = "use_ascii_armor";
    public static final String ENCRYPT_ENCRYPTION_KEYS_IDS = "encryption_keys_ids";
    public static final String ENCRYPT_COMPRESSION_ID = "compression_id";
    public static final String ENCRYPT_MESSAGE_BYTES = "message_bytes";
    public static final String ENCRYPT_INPUT_FILE = "input_file";
    public static final String ENCRYPT_INPUT_URI = "input_uri";
    public static final String ENCRYPT_OUTPUT_FILE = "output_file";
    public static final String ENCRYPT_OUTPUT_URI = "output_uri";
    public static final String ENCRYPT_SYMMETRIC_PASSPHRASE = "passphrase";

    // decrypt/verify
    public static final String DECRYPT_CIPHERTEXT_BYTES = "ciphertext_bytes";
    public static final String DECRYPT_PASSPHRASE = "passphrase";

    // save keyring
    public static final String SAVE_KEYRING_PARCEL = "save_parcel";
    public static final String SAVE_KEYRING_PASSPHRASE = "passphrase";

    // delete file securely
    public static final String DELETE_FILE = "deleteFile";

    // import key
    public static final String IMPORT_KEY_LIST = "import_key_list";

    // export key
    public static final String EXPORT_OUTPUT_STREAM = "export_output_stream";
    public static final String EXPORT_FILENAME = "export_filename";
    public static final String EXPORT_SECRET = "export_secret";
    public static final String EXPORT_ALL = "export_all";
    public static final String EXPORT_KEY_RING_MASTER_KEY_ID = "export_key_ring_id";

    // upload key
    public static final String UPLOAD_KEY_SERVER = "upload_key_server";

    // query key
    public static final String DOWNLOAD_KEY_SERVER = "query_key_server";
    public static final String DOWNLOAD_KEY_LIST = "query_key_id";

    // sign key
    public static final String CERTIFY_KEY_MASTER_KEY_ID = "sign_key_master_key_id";
    public static final String CERTIFY_KEY_PUB_KEY_ID = "sign_key_pub_key_id";
    public static final String CERTIFY_KEY_UIDS = "sign_key_uids";

    /*
     * possible data keys as result send over messenger
     */

    // encrypt
    public static final String RESULT_BYTES = "encrypted_data";

    // decrypt/verify
    public static final String RESULT_DECRYPTED_BYTES = "decrypted_data";
    public static final String RESULT_DECRYPT_VERIFY_RESULT = "signature";

    // export
    public static final String RESULT_EXPORT = "exported";

    public static final String RESULT = "result";

    Messenger mMessenger;

    private boolean mIsCanceled;

    public KeychainIntentService() {
        super("KeychainIntentService");
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        this.mIsCanceled = true;
    }

    /**
     * The IntentService calls this method from the default worker thread with the intent that
     * started the service. When this method returns, IntentService stops the service, as
     * appropriate.
     */
    @Override
    protected void onHandleIntent(Intent intent) {
        Bundle extras = intent.getExtras();
        if (extras == null) {
            Log.e(Constants.TAG, "Extras bundle is null!");
            return;
        }

        if (!(extras.containsKey(EXTRA_MESSENGER) || extras.containsKey(EXTRA_DATA) || (intent
                .getAction() == null))) {
            Log.e(Constants.TAG,
                    "Extra bundle must contain a messenger, a data bundle, and an action!");
            return;
        }

        Uri dataUri = intent.getData();

        mMessenger = (Messenger) extras.get(EXTRA_MESSENGER);
        Bundle data = extras.getBundle(EXTRA_DATA);
        if (data == null) {
            Log.e(Constants.TAG, "data extra is null!");
            return;
        }

        OtherHelper.logDebugBundle(data, "EXTRA_DATA");

        String action = intent.getAction();

        // executeServiceMethod action from extra bundle
        if (ACTION_ENCRYPT_SIGN.equals(action)) {
            try {
                /* Input */
                int source = data.get(SOURCE) != null ? data.getInt(SOURCE) : data.getInt(TARGET);

                long signatureKeyId = data.getLong(ENCRYPT_SIGNATURE_KEY_ID);
                String symmetricPassphrase = data.getString(ENCRYPT_SYMMETRIC_PASSPHRASE);

                boolean useAsciiArmor = data.getBoolean(ENCRYPT_USE_ASCII_ARMOR);
                long encryptionKeyIds[] = data.getLongArray(ENCRYPT_ENCRYPTION_KEYS_IDS);
                int compressionId = data.getInt(ENCRYPT_COMPRESSION_ID);
                InputData inputData = createEncryptInputData(data);
                OutputStream outStream = createCryptOutputStream(data);

                /* Operation */
                PgpSignEncrypt.Builder builder =
                        new PgpSignEncrypt.Builder(
                                new ProviderHelper(this),
                                PgpHelper.getFullVersion(this),
                                inputData, outStream);
                builder.setProgressable(this);

                builder.setEnableAsciiArmorOutput(useAsciiArmor)
                        .setCompressionId(compressionId)
                        .setSymmetricEncryptionAlgorithm(
                                Preferences.getPreferences(this).getDefaultEncryptionAlgorithm())
                        .setSignatureForceV3(Preferences.getPreferences(this).getForceV3Signatures())
                        .setEncryptionMasterKeyIds(encryptionKeyIds)
                        .setSymmetricPassphrase(symmetricPassphrase)
                        .setSignatureMasterKeyId(signatureKeyId)
                        .setEncryptToSigner(true)
                        .setSignatureHashAlgorithm(
                                Preferences.getPreferences(this).getDefaultHashAlgorithm())
                        .setSignaturePassphrase(
                                PassphraseCacheService.getCachedPassphrase(this, signatureKeyId));

                // this assumes that the bytes are cleartext (valid for current implementation!)
                if (source == IO_BYTES) {
                    builder.setCleartextInput(true);
                }

                builder.build().execute();

                outStream.close();

                /* Output */

                Bundle resultData = new Bundle();
                finalizeEncryptOutputStream(data, resultData, outStream);

                OtherHelper.logDebugBundle(resultData, "resultData");

                sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
            } catch (Exception e) {
                sendErrorToHandler(e);
            }
        } else if (ACTION_DECRYPT_VERIFY.equals(action)) {
            try {
                /* Input */
                String passphrase = data.getString(DECRYPT_PASSPHRASE);

                InputData inputData = createDecryptInputData(data);
                OutputStream outStream = createCryptOutputStream(data);

                /* Operation */

                Bundle resultData = new Bundle();

                // verifyText and decrypt returning additional resultData values for the
                // verification of signatures
                PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
                        new ProviderHelper(this),
                        new PgpDecryptVerify.PassphraseCache() {
                            @Override
                            public String getCachedPassphrase(long masterKeyId) {
                                return PassphraseCacheService.getCachedPassphrase(
                                        KeychainIntentService.this, masterKeyId);
                            }
                        },
                        inputData, outStream);
                builder.setProgressable(this);

                builder.setAllowSymmetricDecryption(true)
                        .setPassphrase(passphrase);

                PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();

                outStream.close();

                resultData.putParcelable(RESULT_DECRYPT_VERIFY_RESULT, decryptVerifyResult);

                /* Output */

                finalizeDecryptOutputStream(data, resultData, outStream);

                OtherHelper.logDebugBundle(resultData, "resultData");

                sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
            } catch (Exception e) {
                sendErrorToHandler(e);
            }
        } else if (ACTION_SAVE_KEYRING.equals(action)) {
            try {
                /* Input */
                SaveKeyringParcel saveParcel = data.getParcelable(SAVE_KEYRING_PARCEL);
                if (saveParcel == null) {
                    Log.e(Constants.TAG, "bug: missing save_keyring_parcel in data!");
                    return;
                }

                /* Operation */
                ProviderHelper providerHelper = new ProviderHelper(this);
                PgpKeyOperation keyOperations = new PgpKeyOperation(new ProgressScaler(this, 10, 50, 100));
                try {
                    OperationLog log = new OperationLog();
                    UncachedKeyRing ring;
                    if (saveParcel.mMasterKeyId != null) {
                        String passphrase = data.getString(SAVE_KEYRING_PASSPHRASE);
                        WrappedSecretKeyRing secRing =
                                providerHelper.getWrappedSecretKeyRing(saveParcel.mMasterKeyId);

                        ring = keyOperations.modifySecretKeyRing(secRing, saveParcel,
                                passphrase, log, 0);
                    } else {
                        ring = keyOperations.createSecretKeyRing(saveParcel, log, 0);
                    }

                    providerHelper.saveSecretKeyRing(ring, new ProgressScaler(this, 10, 95, 100));

                    // cache new passphrase
                    if (saveParcel.mNewPassphrase != null) {
                        PassphraseCacheService.addCachedPassphrase(this, ring.getMasterKeyId(),
                                saveParcel.mNewPassphrase, ring.getPublicKey().getPrimaryUserIdWithFallback());
                    }
                } catch (ProviderHelper.NotFoundException e) {
                    sendErrorToHandler(e);
                }

                setProgress(R.string.progress_done, 100, 100);

                /* Output */
                sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY);
            } catch (Exception e) {
                sendErrorToHandler(e);
            }
        } else if (ACTION_DELETE_FILE_SECURELY.equals(action)) {
            try {
                /* Input */
                String deleteFile = data.getString(DELETE_FILE);

                /* Operation */
                try {
                    PgpHelper.deleteFileSecurely(this, this, new File(deleteFile));
                } catch (FileNotFoundException e) {
                    throw new PgpGeneralException(
                            getString(R.string.error_file_not_found, deleteFile));
                } catch (IOException e) {
                    throw new PgpGeneralException(getString(R.string.error_file_delete_failed,
                            deleteFile));
                }

                /* Output */
                sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY);
            } catch (Exception e) {
                sendErrorToHandler(e);
            }
        } else if (ACTION_IMPORT_KEYRING.equals(action)) {
            try {
                List<ParcelableKeyRing> entries = data.getParcelableArrayList(IMPORT_KEY_LIST);

                PgpImportExport pgpImportExport = new PgpImportExport(this, this);
                OperationResults.ImportResult result = pgpImportExport.importKeyRings(entries);

                Bundle resultData = new Bundle();
                resultData.putParcelable(RESULT, result);

                sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
            } catch (Exception e) {
                sendErrorToHandler(e);
            }
        } else if (ACTION_EXPORT_KEYRING.equals(action)) {
            try {

                boolean exportSecret = data.getBoolean(EXPORT_SECRET, false);
                long[] masterKeyIds = data.getLongArray(EXPORT_KEY_RING_MASTER_KEY_ID);
                String outputFile = data.getString(EXPORT_FILENAME);

                // If not exporting all keys get the masterKeyIds of the keys to export from the intent
                boolean exportAll = data.getBoolean(EXPORT_ALL);

                // check if storage is ready
                if (!FileHelper.isStorageMounted(outputFile)) {
                    throw new PgpGeneralException(getString(R.string.error_external_storage_not_ready));
                }

                ArrayList<Long> publicMasterKeyIds = new ArrayList<Long>();
                ArrayList<Long> secretMasterKeyIds = new ArrayList<Long>();

                String selection = null;
                if (!exportAll) {
                    selection = KeychainDatabase.Tables.KEYS + "." + KeyRings.MASTER_KEY_ID + " IN( ";