/* * Button Hotplug driver * * Copyright (C) 2008-2010 Gabor Juhos * * Based on the diag.c - GPIO interface driver for Broadcom boards * Copyright (C) 2006 Mike Baker , * Copyright (C) 2006-2007 Felix Fietkau * Copyright (C) 2008 Andy Boyett * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #define DRV_NAME "button-hotplug" #define DRV_VERSION "0.4.1" #define DRV_DESC "Button Hotplug driver" #define BH_SKB_SIZE 2048 #define PFX DRV_NAME ": " #undef BH_DEBUG #ifdef BH_DEBUG #define BH_DBG(fmt, args...) printk(KERN_DEBUG "%s: " fmt, DRV_NAME, ##args ) #else #define BH_DBG(fmt, args...) do {} while (0) #endif #define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, DRV_NAME, ##args ) #ifndef BIT_MASK #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #endif struct bh_priv { unsigned long *seen; struct input_handle handle; }; struct bh_event { const char *name; char *action; unsigned long seen; struct sk_buff *skb; struct work_struct work; }; struct bh_map { unsigned int code; const char *name; }; extern u64 uevent_next_seqnum(void); #define BH_MAP(_code, _name) \ { \ .code = (_code), \ .name = (_name), \ } static struct bh_map button_map[] = { BH_MAP(BTN_0, "BTN_0"), BH_MAP(BTN_1, "BTN_1"), BH_MAP(BTN_2, "BTN_2"), BH_MAP(BTN_3, "BTN_3"), BH_MAP(BTN_4, "BTN_4"), BH_MAP(BTN_5, "BTN_5"), BH_MAP(BTN_6, "BTN_6"), BH_MAP(BTN_7, "BTN_7"), BH_MAP(BTN_8, "BTN_8"), BH_MAP(BTN_9, "BTN_9"), BH_MAP(KEY_RESTART, "reset"), BH_MAP(KEY_POWER, "power"), BH_MAP(KEY_POWER2, "reboot"), BH_MAP(KEY_RFKILL, "rfkill"), BH_MAP(KEY_WPS_BUTTON, "wps"), BH_MAP(KEY_WIMAX, "wwan"), }; /* -------------------------------------------------------------------------*/ static int bh_event_add_var(struct bh_event *event, int argv, const char *format, ...) { static char buf[128]; char *s; va_list args; int len; if (argv) return 0; va_start(args, format); len = vsnprintf(buf, sizeof(buf), format, args); va_end(args); if (len >= sizeof(buf)) { BH_ERR("buffer size too small\n"); WARN_ON(1); return -ENOMEM; } s = skb_put(event->skb, len + 1); strcpy(s, buf); BH_DBG("added variable '%s'\n", s); return 0; } static int button_hotplug_fill_event(struct bh_event *event) { int ret; ret = bh_event_add_var(event, 0, "HOME=%s", "/"); if (ret) return ret; ret = bh_event_add_var(event, 0, "PATH=%s", "/sbin:/bin:/usr/sbin:/usr/bin"); if (ret) return ret; ret = bh_event_add_var(event, 0, "SUBSYSTEM=%s", "button"); if (ret) return ret; ret = bh_event_add_var(event, 0, "ACTION=%s", event->action); if (ret) return ret; ret = bh_event_add_var(event, 0, "BUTTON=%s", event->name); if (ret) return ret; ret = bh_event_add_var(event, 0, "SEEN=%ld", event->seen); if (ret) return ret; ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum()); return ret; } static void button_hotplug_work(struct work_struct *work) { struct bh_event *event = container_of(work, struct bh_event, work); int ret = 0; event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL); if (!event->skb) goto out_free_event; ret = bh_event_add_var(event, 0, "%s@", event->action); if (ret) goto out_free_skb; ret = button_hotplug_fill_event(event); if (ret) goto out_free_skb; NETLINK_CB(event->skb).dst_group = 1; broadcast_uevent(event->skb, 0, 1, GFP_KERNEL); out_free_skb: if (ret) { BH_ERR("work error %d\n", ret); kfree_skb(event->skb); } out_free_event: kfree(event); } static int button_hotplug_create_event(const char *name, unsigned long seen, int pressed) { struct bh_event *event; BH_DBG("create event, name=%s, seen=%lu, pressed=%d\n", name, seen, pressed); event = kzalloc(sizeof(*event), GFP_KERNEL); if (!event) return -ENOMEM; event->name = name; event->seen = seen; event->action = pressed ? "pressed" : "released"; INIT_WORK(&event->work, (void *)(void *)button_hotplug_work); schedule_work(&event->work); return 0; } /* -------------------------------------------------------------------------*/ static int button_get_index(unsigned int code) { int i; for (i = 0; i < ARRAY_SIZE(button_map); i++) if (button_map[i].code == code) return i; return -1; } static void button_hotplug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) { struct bh_priv *priv = handle->private; unsigned long seen = jiffies; int btn; BH_DBG("event type=%u, code=%u, value=%d\n", type, code, value); if (type != EV_KEY) return; btn = button_get_index(code); if (btn < 0) return; button_hotplug_create_event(button_map[btn].name, (seen - priv->seen[btn]) / HZ, value); priv->seen[btn] = seen; } static int button_hotplug_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) { struct bh_priv *priv; int ret; int i; for (i = 0; i < ARRAY_SIZE(button_map); i++) if (test_bit(button_map[i].code, dev->keybit)) break; if (i == ARRAY_SIZE(button_map)) return -ENODEV; priv = kzalloc(sizeof(*priv) + (sizeof(unsigned long) * ARRAY_SIZE(button_map)), GFP_KERNEL); if (!priv) return -ENOMEM; priv->seen = (unsigned long *) &priv[1]; priv->handle.private = priv; priv->handle.dev = dev; priv->handle.handler = handler; priv->handle.name = DRV_NAME; ret = input_register_handle(&priv->handle); if (ret) goto err_free_priv; ret = input_open_device(&priv->handle); if (ret) goto err_unregister_handle; BH_DBG("connected to %s\n", dev->name); return 0; err_unregister_handle: input_unregister_handle(&priv->handle); err_free_priv: kfree(priv); return ret; } static void button_hotplug_disconnect(struct input_handle *handle) { struct bh_priv *priv = handle->private; input_close_device(handle); input_unregister_handle(handle); kfree(priv); } static const struct input_device_id button_hotplug_ids[] = { { .flags = INPUT_DEVICE_ID_MATCH_EVBIT, .evbit = { BIT_MASK(EV_KEY) }, }, { /* Terminating entry */ }, }; MODULE_DEVICE_TABLE(input, button_hotplug_ids); static struct input_handler button_hotplug_handler = { .event = button_hotplug_event, .connect = button_hotplug_connect, .disconnect = button_hotplug_disconnect, .name = DRV_NAME, .id_table = button_hotplug_ids, }; /* -------------------------------------------------------------------------*/ static int __init button_hotplug_init(void) { int ret; printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n"); ret = input_register_handler(&button_hotplug_handler); if (ret) BH_ERR("unable to register input handler\n"); return ret; } module_init(button_hotplug_init); static void __exit button_hotplug_exit(void) { input_unregister_handler(&button_hotplug_handler); } module_exit(button_hotplug_exit); MODULE_DESCRIPTION(DRV_DESC); MODULE_VERSION(DRV_VERSION); MODULE_AUTHOR("Gabor Juhos "); MODULE_LICENSE("GPL v2"); href='#n61'>61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 
/*
 * Copyright (C) 2012-2013 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.ui.dialog;

import android.annotation.TargetApi;
import android.app.AlertDialog;
import android.app.Dialog;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;

import org.spongycastle.bcpg.sig.KeyFlags;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Curve;
import org.sufficientlysecure.keychain.util.Choice;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.TimeZone;

public class AddSubkeyDialogFragment extends DialogFragment {

    public interface OnAlgorithmSelectedListener {
        public void onAlgorithmSelected(SaveKeyringParcel.SubkeyAdd newSubkey);
    }

    private static final String ARG_WILL_BE_MASTER_KEY = "will_be_master_key";

    private OnAlgorithmSelectedListener mAlgorithmSelectedListener;

    private CheckBox mNoExpiryCheckBox;
    private TableRow mExpiryRow;
    private DatePicker mExpiryDatePicker;
    private Spinner mAlgorithmSpinner;
    private View mKeySizeRow;
    private Spinner mKeySizeSpinner;
    private View mCurveRow;
    private Spinner mCurveSpinner;
    private TextView mCustomKeyTextView;
    private EditText mCustomKeyEditText;
    private TextView mCustomKeyInfoTextView;
    private CheckBox mFlagCertify;
    private CheckBox mFlagSign;
    private CheckBox mFlagEncrypt;
    private CheckBox mFlagAuthenticate;

    private boolean mWillBeMasterKey;

    public void setOnAlgorithmSelectedListener(OnAlgorithmSelectedListener listener) {
        mAlgorithmSelectedListener = listener;
    }

    public static AddSubkeyDialogFragment newInstance(boolean willBeMasterKey) {
        AddSubkeyDialogFragment frag = new AddSubkeyDialogFragment();
        Bundle args = new Bundle();

        args.putBoolean(ARG_WILL_BE_MASTER_KEY, willBeMasterKey);

        frag.setArguments(args);

        return frag;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final FragmentActivity context = getActivity();
        final LayoutInflater mInflater;

        mWillBeMasterKey = getArguments().getBoolean(ARG_WILL_BE_MASTER_KEY);
        mInflater = context.getLayoutInflater();

        CustomAlertDialogBuilder dialog = new CustomAlertDialogBuilder(context);

        View view = mInflater.inflate(R.layout.add_subkey_dialog, null);
        dialog.setView(view);
        dialog.setTitle(R.string.title_add_subkey);

        mNoExpiryCheckBox = (CheckBox) view.findViewById(R.id.add_subkey_no_expiry);
        mExpiryRow = (TableRow) view.findViewById(R.id.add_subkey_expiry_row);
        mExpiryDatePicker = (DatePicker) view.findViewById(R.id.add_subkey_expiry_date_picker);
        mAlgorithmSpinner = (Spinner) view.findViewById(R.id.add_subkey_algorithm);
        mKeySizeSpinner = (Spinner) view.findViewById(R.id.add_subkey_size);
        mCurveSpinner = (Spinner) view.findViewById(R.id.add_subkey_curve);
        mKeySizeRow = view.findViewById(R.id.add_subkey_row_size);
        mCurveRow = view.findViewById(R.id.add_subkey_row_curve);
        mCustomKeyTextView = (TextView) view.findViewById(R.id.add_subkey_custom_key_size_label);
        mCustomKeyEditText = (EditText) view.findViewById(R.id.add_subkey_custom_key_size_input);
        mCustomKeyInfoTextView = (TextView) view.findViewById(R.id.add_subkey_custom_key_size_info);
        mFlagCertify = (CheckBox) view.findViewById(R.id.add_subkey_flag_certify);
        mFlagSign = (CheckBox) view.findViewById(R.id.add_subkey_flag_sign);
        mFlagEncrypt = (CheckBox) view.findViewById(R.id.add_subkey_flag_encrypt);
        mFlagAuthenticate = (CheckBox) view.findViewById(R.id.add_subkey_flag_authenticate);

        mNoExpiryCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if (isChecked) {
                    mExpiryRow.setVisibility(View.GONE);
                } else {
                    mExpiryRow.setVisibility(View.VISIBLE);
                }
            }
        });

        // date picker works based on default time zone
        Calendar minDateCal = Calendar.getInstance(TimeZone.getDefault());
        minDateCal.add(Calendar.DAY_OF_YEAR, 1); // at least one day after creation (today)
        mExpiryDatePicker.setMinDate(minDateCal.getTime().getTime());

        {
            ArrayList<Choice<Algorithm>> choices = new ArrayList<>();
            choices.add(new Choice<>(Algorithm.DSA, getResources().getString(
                    R.string.dsa)));
            if (!mWillBeMasterKey) {
                choices.add(new Choice<>(Algorithm.ELGAMAL, getResources().getString(
                        R.string.elgamal)));
            }
            choices.add(new Choice<>(Algorithm.RSA, getResources().getString(
                    R.string.rsa)));
            choices.add(new Choice<>(Algorithm.ECDSA, getResources().getString(
                    R.string.ecdsa)));
            choices.add(new Choice<>(Algorithm.ECDH, getResources().getString(
                    R.string.ecdh)));
            ArrayAdapter<Choice<Algorithm>> adapter = new ArrayAdapter<>(context,
                    android.R.layout.simple_spinner_item, choices);
            adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
            mAlgorithmSpinner.setAdapter(adapter);
            // make RSA the default
            for (int i = 0; i < choices.size(); ++i) {
                if (choices.get(i).getId() == Algorithm.RSA) {
                    mAlgorithmSpinner.setSelection(i);
                    break;
                }
            }
        }

        // dynamic ArrayAdapter must be created (instead of ArrayAdapter.getFromResource), because it's content may change
        ArrayAdapter<CharSequence> keySizeAdapter = new ArrayAdapter<>(context, android.R.layout.simple_spinner_item,
                new ArrayList<CharSequence>(Arrays.asList(getResources().getStringArray(R.array.rsa_key_size_spinner_values))));
        keySizeAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        mKeySizeSpinner.setAdapter(keySizeAdapter);
        mKeySizeSpinner.setSelection(1); // Default to 4096 for the key length

        {
            ArrayList<Choice<Curve>> choices = new ArrayList<>();

            choices.add(new Choice<>(Curve.NIST_P256, getResources().getString(
                    R.string.key_curve_nist_p256)));
            choices.add(new Choice<>(Curve.NIST_P384, getResources().getString(
                    R.string.key_curve_nist_p384)));
            choices.add(new Choice<>(Curve.NIST_P521, getResources().getString(
                    R.string.key_curve_nist_p521)));

            /* @see SaveKeyringParcel
            choices.add(new Choice<Curve>(Curve.BRAINPOOL_P256, getResources().getString(
                    R.string.key_curve_bp_p256)));
            choices.add(new Choice<Curve>(Curve.BRAINPOOL_P384, getResources().getString(
                    R.string.key_curve_bp_p384)));
            choices.add(new Choice<Curve>(Curve.BRAINPOOL_P512, getResources().getString(
                    R.string.key_curve_bp_p512)));
            */

            ArrayAdapter<Choice<Curve>> adapter = new ArrayAdapter<>(context,
                    android.R.layout.simple_spinner_item, choices);
            mCurveSpinner.setAdapter(adapter);
            // make NIST P-256 the default
            for (int i = 0; i < choices.size(); ++i) {
                if (choices.get(i).getId() == Curve.NIST_P256) {
                    mCurveSpinner.setSelection(i);
                    break;
                }
            }
        }

        dialog.setCancelable(true);

        // onClickListener are set in onStart() to override default dismiss behaviour
        dialog.setPositiveButton(android.R.string.ok, null);
        dialog.setNegativeButton(android.R.string.cancel, null);

        final AlertDialog alertDialog = dialog.show();

        mCustomKeyEditText.addTextChangedListener(new TextWatcher() {