1 /* 2 ** 3 ** Copyright 2008, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #include <stdint.h> 19 #include <sys/types.h> 20 21 #define LOG_TAG "KeystoreService" 22 #include <utils/Log.h> 23 24 #include <binder/Parcel.h> 25 #include <binder/IPCThreadState.h> 26 #include <binder/IServiceManager.h> 27 28 #include <keystore/IKeystoreService.h> 29 30 namespace android { 31 32 KeystoreArg::KeystoreArg(const void* data, size_t len) 33 : mData(data), mSize(len) { 34 } 35 36 KeystoreArg::~KeystoreArg() { 37 } 38 39 const void *KeystoreArg::data() const { 40 return mData; 41 } 42 43 size_t KeystoreArg::size() const { 44 return mSize; 45 } 46 47 class BpKeystoreService: public BpInterface<IKeystoreService> 48 { 49 public: 50 BpKeystoreService(const sp<IBinder>& impl) 51 : BpInterface<IKeystoreService>(impl) 52 { 53 } 54 55 // test ping 56 virtual int32_t test() 57 { 58 Parcel data, reply; 59 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 60 status_t status = remote()->transact(BnKeystoreService::TEST, data, &reply); 61 if (status != NO_ERROR) { 62 ALOGD("test() could not contact remote: %d\n", status); 63 return -1; 64 } 65 int32_t err = reply.readExceptionCode(); 66 int32_t ret = reply.readInt32(); 67 if (err < 0) { 68 ALOGD("test() caught exception %d\n", err); 69 return -1; 70 } 71 return ret; 72 } 73 74 virtual int32_t get(const String16& name, uint8_t** item, size_t* itemLength) 75 { 76 Parcel data, reply; 77 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 78 data.writeString16(name); 79 status_t status = remote()->transact(BnKeystoreService::GET, data, &reply); 80 if (status != NO_ERROR) { 81 ALOGD("get() could not contact remote: %d\n", status); 82 return -1; 83 } 84 int32_t err = reply.readExceptionCode(); 85 ssize_t len = reply.readInt32(); 86 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 87 size_t ulen = (size_t) len; 88 const void* buf = reply.readInplace(ulen); 89 *item = (uint8_t*) malloc(ulen); 90 if (*item != NULL) { 91 memcpy(*item, buf, ulen); 92 *itemLength = ulen; 93 } else { 94 ALOGE("out of memory allocating output array in get"); 95 *itemLength = 0; 96 } 97 } else { 98 *itemLength = 0; 99 } 100 if (err < 0) { 101 ALOGD("get() caught exception %d\n", err); 102 return -1; 103 } 104 return 0; 105 } 106 107 virtual int32_t insert(const String16& name, const uint8_t* item, size_t itemLength, int uid, 108 int32_t flags) 109 { 110 Parcel data, reply; 111 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 112 data.writeString16(name); 113 data.writeInt32(itemLength); 114 void* buf = data.writeInplace(itemLength); 115 memcpy(buf, item, itemLength); 116 data.writeInt32(uid); 117 data.writeInt32(flags); 118 status_t status = remote()->transact(BnKeystoreService::INSERT, data, &reply); 119 if (status != NO_ERROR) { 120 ALOGD("import() could not contact remote: %d\n", status); 121 return -1; 122 } 123 int32_t err = reply.readExceptionCode(); 124 int32_t ret = reply.readInt32(); 125 if (err < 0) { 126 ALOGD("import() caught exception %d\n", err); 127 return -1; 128 } 129 return ret; 130 } 131 132 virtual int32_t del(const String16& name, int uid) 133 { 134 Parcel data, reply; 135 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 136 data.writeString16(name); 137 data.writeInt32(uid); 138 status_t status = remote()->transact(BnKeystoreService::DEL, data, &reply); 139 if (status != NO_ERROR) { 140 ALOGD("del() could not contact remote: %d\n", status); 141 return -1; 142 } 143 int32_t err = reply.readExceptionCode(); 144 int32_t ret = reply.readInt32(); 145 if (err < 0) { 146 ALOGD("del() caught exception %d\n", err); 147 return -1; 148 } 149 return ret; 150 } 151 152 virtual int32_t exist(const String16& name, int uid) 153 { 154 Parcel data, reply; 155 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 156 data.writeString16(name); 157 data.writeInt32(uid); 158 status_t status = remote()->transact(BnKeystoreService::EXIST, data, &reply); 159 if (status != NO_ERROR) { 160 ALOGD("exist() could not contact remote: %d\n", status); 161 return -1; 162 } 163 int32_t err = reply.readExceptionCode(); 164 int32_t ret = reply.readInt32(); 165 if (err < 0) { 166 ALOGD("exist() caught exception %d\n", err); 167 return -1; 168 } 169 return ret; 170 } 171 172 virtual int32_t saw(const String16& name, int uid, Vector<String16>* matches) 173 { 174 Parcel data, reply; 175 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 176 data.writeString16(name); 177 data.writeInt32(uid); 178 status_t status = remote()->transact(BnKeystoreService::SAW, data, &reply); 179 if (status != NO_ERROR) { 180 ALOGD("saw() could not contact remote: %d\n", status); 181 return -1; 182 } 183 int32_t err = reply.readExceptionCode(); 184 int32_t numMatches = reply.readInt32(); 185 for (int32_t i = 0; i < numMatches; i++) { 186 matches->push(reply.readString16()); 187 } 188 int32_t ret = reply.readInt32(); 189 if (err < 0) { 190 ALOGD("saw() caught exception %d\n", err); 191 return -1; 192 } 193 return ret; 194 } 195 196 virtual int32_t reset() 197 { 198 Parcel data, reply; 199 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 200 status_t status = remote()->transact(BnKeystoreService::RESET, data, &reply); 201 if (status != NO_ERROR) { 202 ALOGD("reset() could not contact remote: %d\n", status); 203 return -1; 204 } 205 int32_t err = reply.readExceptionCode(); 206 int32_t ret = reply.readInt32(); 207 if (err < 0) { 208 ALOGD("reset() caught exception %d\n", err); 209 return -1; 210 } 211 return ret; 212 } 213 214 virtual int32_t password(const String16& password) 215 { 216 Parcel data, reply; 217 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 218 data.writeString16(password); 219 status_t status = remote()->transact(BnKeystoreService::PASSWORD, data, &reply); 220 if (status != NO_ERROR) { 221 ALOGD("password() could not contact remote: %d\n", status); 222 return -1; 223 } 224 int32_t err = reply.readExceptionCode(); 225 int32_t ret = reply.readInt32(); 226 if (err < 0) { 227 ALOGD("password() caught exception %d\n", err); 228 return -1; 229 } 230 return ret; 231 } 232 233 virtual int32_t lock() 234 { 235 Parcel data, reply; 236 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 237 status_t status = remote()->transact(BnKeystoreService::LOCK, data, &reply); 238 if (status != NO_ERROR) { 239 ALOGD("lock() could not contact remote: %d\n", status); 240 return -1; 241 } 242 int32_t err = reply.readExceptionCode(); 243 int32_t ret = reply.readInt32(); 244 if (err < 0) { 245 ALOGD("lock() caught exception %d\n", err); 246 return -1; 247 } 248 return ret; 249 } 250 251 virtual int32_t unlock(const String16& password) 252 { 253 Parcel data, reply; 254 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 255 data.writeString16(password); 256 status_t status = remote()->transact(BnKeystoreService::UNLOCK, data, &reply); 257 if (status != NO_ERROR) { 258 ALOGD("unlock() could not contact remote: %d\n", status); 259 return -1; 260 } 261 int32_t err = reply.readExceptionCode(); 262 int32_t ret = reply.readInt32(); 263 if (err < 0) { 264 ALOGD("unlock() caught exception %d\n", err); 265 return -1; 266 } 267 return ret; 268 } 269 270 virtual int32_t zero() 271 { 272 Parcel data, reply; 273 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 274 status_t status = remote()->transact(BnKeystoreService::ZERO, data, &reply); 275 if (status != NO_ERROR) { 276 ALOGD("zero() could not contact remote: %d\n", status); 277 return -1; 278 } 279 int32_t err = reply.readExceptionCode(); 280 int32_t ret = reply.readInt32(); 281 if (err < 0) { 282 ALOGD("zero() caught exception %d\n", err); 283 return -1; 284 } 285 return ret; 286 } 287 288 virtual int32_t generate(const String16& name, int32_t uid, int32_t keyType, int32_t keySize, 289 int32_t flags, Vector<sp<KeystoreArg> >* args) 290 { 291 Parcel data, reply; 292 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 293 data.writeString16(name); 294 data.writeInt32(uid); 295 data.writeInt32(keyType); 296 data.writeInt32(keySize); 297 data.writeInt32(flags); 298 data.writeInt32(args->size()); 299 for (Vector<sp<KeystoreArg> >::iterator it = args->begin(); it != args->end(); ++it) { 300 sp<KeystoreArg> item = *it; 301 size_t keyLength = item->size(); 302 data.writeInt32(keyLength); 303 void* buf = data.writeInplace(keyLength); 304 memcpy(buf, item->data(), keyLength); 305 } 306 status_t status = remote()->transact(BnKeystoreService::GENERATE, data, &reply); 307 if (status != NO_ERROR) { 308 ALOGD("generate() could not contact remote: %d\n", status); 309 return -1; 310 } 311 int32_t err = reply.readExceptionCode(); 312 int32_t ret = reply.readInt32(); 313 if (err < 0) { 314 ALOGD("generate() caught exception %d\n", err); 315 return -1; 316 } 317 return ret; 318 } 319 320 virtual int32_t import(const String16& name, const uint8_t* key, size_t keyLength, int uid, 321 int flags) 322 { 323 Parcel data, reply; 324 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 325 data.writeString16(name); 326 data.writeInt32(keyLength); 327 void* buf = data.writeInplace(keyLength); 328 memcpy(buf, key, keyLength); 329 data.writeInt32(uid); 330 data.writeInt32(flags); 331 status_t status = remote()->transact(BnKeystoreService::IMPORT, data, &reply); 332 if (status != NO_ERROR) { 333 ALOGD("import() could not contact remote: %d\n", status); 334 return -1; 335 } 336 int32_t err = reply.readExceptionCode(); 337 int32_t ret = reply.readInt32(); 338 if (err < 0) { 339 ALOGD("import() caught exception %d\n", err); 340 return -1; 341 } 342 return ret; 343 } 344 345 virtual int32_t sign(const String16& name, const uint8_t* in, size_t inLength, uint8_t** out, 346 size_t* outLength) 347 { 348 Parcel data, reply; 349 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 350 data.writeString16(name); 351 data.writeInt32(inLength); 352 void* buf = data.writeInplace(inLength); 353 memcpy(buf, in, inLength); 354 status_t status = remote()->transact(BnKeystoreService::SIGN, data, &reply); 355 if (status != NO_ERROR) { 356 ALOGD("import() could not contact remote: %d\n", status); 357 return -1; 358 } 359 int32_t err = reply.readExceptionCode(); 360 ssize_t len = reply.readInt32(); 361 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 362 size_t ulen = (size_t) len; 363 const void* outBuf = reply.readInplace(ulen); 364 *out = (uint8_t*) malloc(ulen); 365 if (*out != NULL) { 366 memcpy((void*) *out, outBuf, ulen); 367 *outLength = ulen; 368 } else { 369 ALOGE("out of memory allocating output array in sign"); 370 *outLength = 0; 371 } 372 } else { 373 *outLength = 0; 374 } 375 if (err < 0) { 376 ALOGD("import() caught exception %d\n", err); 377 return -1; 378 } 379 return 0; 380 } 381 382 virtual int32_t verify(const String16& name, const uint8_t* in, size_t inLength, 383 const uint8_t* signature, size_t signatureLength) 384 { 385 Parcel data, reply; 386 void* buf; 387 388 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 389 data.writeString16(name); 390 data.writeInt32(inLength); 391 buf = data.writeInplace(inLength); 392 memcpy(buf, in, inLength); 393 data.writeInt32(signatureLength); 394 buf = data.writeInplace(signatureLength); 395 memcpy(buf, signature, signatureLength); 396 status_t status = remote()->transact(BnKeystoreService::VERIFY, data, &reply); 397 if (status != NO_ERROR) { 398 ALOGD("verify() could not contact remote: %d\n", status); 399 return -1; 400 } 401 int32_t err = reply.readExceptionCode(); 402 int32_t ret = reply.readInt32(); 403 if (err < 0) { 404 ALOGD("verify() caught exception %d\n", err); 405 return -1; 406 } 407 return ret; 408 } 409 410 virtual int32_t get_pubkey(const String16& name, uint8_t** pubkey, size_t* pubkeyLength) 411 { 412 Parcel data, reply; 413 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 414 data.writeString16(name); 415 status_t status = remote()->transact(BnKeystoreService::GET_PUBKEY, data, &reply); 416 if (status != NO_ERROR) { 417 ALOGD("get_pubkey() could not contact remote: %d\n", status); 418 return -1; 419 } 420 int32_t err = reply.readExceptionCode(); 421 ssize_t len = reply.readInt32(); 422 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 423 size_t ulen = (size_t) len; 424 const void* buf = reply.readInplace(ulen); 425 *pubkey = (uint8_t*) malloc(ulen); 426 if (*pubkey != NULL) { 427 memcpy(*pubkey, buf, ulen); 428 *pubkeyLength = ulen; 429 } else { 430 ALOGE("out of memory allocating output array in get_pubkey"); 431 *pubkeyLength = 0; 432 } 433 } else { 434 *pubkeyLength = 0; 435 } 436 if (err < 0) { 437 ALOGD("get_pubkey() caught exception %d\n", err); 438 return -1; 439 } 440 return 0; 441 } 442 443 virtual int32_t del_key(const String16& name, int uid) 444 { 445 Parcel data, reply; 446 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 447 data.writeString16(name); 448 data.writeInt32(uid); 449 status_t status = remote()->transact(BnKeystoreService::DEL_KEY, data, &reply); 450 if (status != NO_ERROR) { 451 ALOGD("del_key() could not contact remote: %d\n", status); 452 return -1; 453 } 454 int32_t err = reply.readExceptionCode(); 455 int32_t ret = reply.readInt32(); 456 if (err < 0) { 457 ALOGD("del_key() caught exception %d\n", err); 458 return -1; 459 } 460 return ret; 461 } 462 463 virtual int32_t grant(const String16& name, int32_t granteeUid) 464 { 465 Parcel data, reply; 466 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 467 data.writeString16(name); 468 data.writeInt32(granteeUid); 469 status_t status = remote()->transact(BnKeystoreService::GRANT, data, &reply); 470 if (status != NO_ERROR) { 471 ALOGD("grant() could not contact remote: %d\n", status); 472 return -1; 473 } 474 int32_t err = reply.readExceptionCode(); 475 int32_t ret = reply.readInt32(); 476 if (err < 0) { 477 ALOGD("grant() caught exception %d\n", err); 478 return -1; 479 } 480 return ret; 481 } 482 483 virtual int32_t ungrant(const String16& name, int32_t granteeUid) 484 { 485 Parcel data, reply; 486 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 487 data.writeString16(name); 488 data.writeInt32(granteeUid); 489 status_t status = remote()->transact(BnKeystoreService::UNGRANT, data, &reply); 490 if (status != NO_ERROR) { 491 ALOGD("ungrant() could not contact remote: %d\n", status); 492 return -1; 493 } 494 int32_t err = reply.readExceptionCode(); 495 int32_t ret = reply.readInt32(); 496 if (err < 0) { 497 ALOGD("ungrant() caught exception %d\n", err); 498 return -1; 499 } 500 return ret; 501 } 502 503 int64_t getmtime(const String16& name) 504 { 505 Parcel data, reply; 506 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 507 data.writeString16(name); 508 status_t status = remote()->transact(BnKeystoreService::GETMTIME, data, &reply); 509 if (status != NO_ERROR) { 510 ALOGD("getmtime() could not contact remote: %d\n", status); 511 return -1; 512 } 513 int32_t err = reply.readExceptionCode(); 514 int64_t ret = reply.readInt64(); 515 if (err < 0) { 516 ALOGD("getmtime() caught exception %d\n", err); 517 return -1; 518 } 519 return ret; 520 } 521 522 virtual int32_t duplicate(const String16& srcKey, int32_t srcUid, const String16& destKey, 523 int32_t destUid) 524 { 525 Parcel data, reply; 526 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 527 data.writeString16(srcKey); 528 data.writeInt32(srcUid); 529 data.writeString16(destKey); 530 data.writeInt32(destUid); 531 status_t status = remote()->transact(BnKeystoreService::DUPLICATE, data, &reply); 532 if (status != NO_ERROR) { 533 ALOGD("duplicate() could not contact remote: %d\n", status); 534 return -1; 535 } 536 int32_t err = reply.readExceptionCode(); 537 int32_t ret = reply.readInt32(); 538 if (err < 0) { 539 ALOGD("duplicate() caught exception %d\n", err); 540 return -1; 541 } 542 return ret; 543 } 544 545 virtual int32_t is_hardware_backed(const String16& keyType) 546 { 547 Parcel data, reply; 548 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 549 data.writeString16(keyType); 550 status_t status = remote()->transact(BnKeystoreService::IS_HARDWARE_BACKED, data, &reply); 551 if (status != NO_ERROR) { 552 ALOGD("is_hardware_backed() could not contact remote: %d\n", status); 553 return -1; 554 } 555 int32_t err = reply.readExceptionCode(); 556 int32_t ret = reply.readInt32(); 557 if (err < 0) { 558 ALOGD("is_hardware_backed() caught exception %d\n", err); 559 return -1; 560 } 561 return ret; 562 } 563 564 virtual int32_t clear_uid(int64_t uid) 565 { 566 Parcel data, reply; 567 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 568 data.writeInt64(uid); 569 status_t status = remote()->transact(BnKeystoreService::CLEAR_UID, data, &reply); 570 if (status != NO_ERROR) { 571 ALOGD("clear_uid() could not contact remote: %d\n", status); 572 return -1; 573 } 574 int32_t err = reply.readExceptionCode(); 575 int32_t ret = reply.readInt32(); 576 if (err < 0) { 577 ALOGD("clear_uid() caught exception %d\n", err); 578 return -1; 579 } 580 return ret; 581 } 582 583 virtual int32_t reset_uid(int32_t uid) { 584 Parcel data, reply; 585 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 586 data.writeInt32(uid); 587 status_t status = remote()->transact(BnKeystoreService::RESET_UID, data, &reply); 588 if (status != NO_ERROR) { 589 ALOGD("reset_uid() could not contact remote: %d\n", status); 590 return -1; 591 } 592 int32_t err = reply.readExceptionCode(); 593 int32_t ret = reply.readInt32(); 594 if (err < 0) { 595 ALOGD("reset_uid() caught exception %d\n", err); 596 return -1; 597 } 598 return ret; 599 600 } 601 602 virtual int32_t sync_uid(int32_t sourceUid, int32_t targetUid) 603 { 604 Parcel data, reply; 605 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 606 data.writeInt32(sourceUid); 607 data.writeInt32(targetUid); 608 status_t status = remote()->transact(BnKeystoreService::SYNC_UID, data, &reply); 609 if (status != NO_ERROR) { 610 ALOGD("sync_uid() could not contact remote: %d\n", status); 611 return -1; 612 } 613 int32_t err = reply.readExceptionCode(); 614 int32_t ret = reply.readInt32(); 615 if (err < 0) { 616 ALOGD("sync_uid() caught exception %d\n", err); 617 return -1; 618 } 619 return ret; 620 } 621 622 virtual int32_t password_uid(const String16& password, int32_t uid) 623 { 624 Parcel data, reply; 625 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 626 data.writeString16(password); 627 data.writeInt32(uid); 628 status_t status = remote()->transact(BnKeystoreService::PASSWORD_UID, data, &reply); 629 if (status != NO_ERROR) { 630 ALOGD("password_uid() could not contact remote: %d\n", status); 631 return -1; 632 } 633 int32_t err = reply.readExceptionCode(); 634 int32_t ret = reply.readInt32(); 635 if (err < 0) { 636 ALOGD("password_uid() caught exception %d\n", err); 637 return -1; 638 } 639 return ret; 640 } 641 }; 642 643 IMPLEMENT_META_INTERFACE(KeystoreService, "android.security.keystore"); 644 645 // ---------------------------------------------------------------------- 646 647 status_t BnKeystoreService::onTransact( 648 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 649 { 650 switch(code) { 651 case TEST: { 652 CHECK_INTERFACE(IKeystoreService, data, reply); 653 int32_t ret = test(); 654 reply->writeNoException(); 655 reply->writeInt32(ret); 656 return NO_ERROR; 657 } break; 658 case GET: { 659 CHECK_INTERFACE(IKeystoreService, data, reply); 660 String16 name = data.readString16(); 661 void* out = NULL; 662 size_t outSize = 0; 663 int32_t ret = get(name, (uint8_t**) &out, &outSize); 664 reply->writeNoException(); 665 if (ret == 1) { 666 reply->writeInt32(outSize); 667 void* buf = reply->writeInplace(outSize); 668 memcpy(buf, out, outSize); 669 free(out); 670 } else { 671 reply->writeInt32(-1); 672 } 673 return NO_ERROR; 674 } break; 675 case INSERT: { 676 CHECK_INTERFACE(IKeystoreService, data, reply); 677 String16 name = data.readString16(); 678 ssize_t inSize = data.readInt32(); 679 const void* in; 680 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 681 in = data.readInplace(inSize); 682 } else { 683 in = NULL; 684 inSize = 0; 685 } 686 int uid = data.readInt32(); 687 int32_t flags = data.readInt32(); 688 int32_t ret = insert(name, (const uint8_t*) in, (size_t) inSize, uid, flags); 689 reply->writeNoException(); 690 reply->writeInt32(ret); 691 return NO_ERROR; 692 } break; 693 case DEL: { 694 CHECK_INTERFACE(IKeystoreService, data, reply); 695 String16 name = data.readString16(); 696 int uid = data.readInt32(); 697 int32_t ret = del(name, uid); 698 reply->writeNoException(); 699 reply->writeInt32(ret); 700 return NO_ERROR; 701 } break; 702 case EXIST: { 703 CHECK_INTERFACE(IKeystoreService, data, reply); 704 String16 name = data.readString16(); 705 int uid = data.readInt32(); 706 int32_t ret = exist(name, uid); 707 reply->writeNoException(); 708 reply->writeInt32(ret); 709 return NO_ERROR; 710 } break; 711 case SAW: { 712 CHECK_INTERFACE(IKeystoreService, data, reply); 713 String16 name = data.readString16(); 714 int uid = data.readInt32(); 715 Vector<String16> matches; 716 int32_t ret = saw(name, uid, &matches); 717 reply->writeNoException(); 718 reply->writeInt32(matches.size()); 719 Vector<String16>::const_iterator it = matches.begin(); 720 for (; it != matches.end(); ++it) { 721 reply->writeString16(*it); 722 } 723 reply->writeInt32(ret); 724 return NO_ERROR; 725 } break; 726 case RESET: { 727 CHECK_INTERFACE(IKeystoreService, data, reply); 728 int32_t ret = reset(); 729 reply->writeNoException(); 730 reply->writeInt32(ret); 731 return NO_ERROR; 732 } break; 733 case PASSWORD: { 734 CHECK_INTERFACE(IKeystoreService, data, reply); 735 String16 pass = data.readString16(); 736 int32_t ret = password(pass); 737 reply->writeNoException(); 738 reply->writeInt32(ret); 739 return NO_ERROR; 740 } break; 741 case LOCK: { 742 CHECK_INTERFACE(IKeystoreService, data, reply); 743 int32_t ret = lock(); 744 reply->writeNoException(); 745 reply->writeInt32(ret); 746 return NO_ERROR; 747 } break; 748 case UNLOCK: { 749 CHECK_INTERFACE(IKeystoreService, data, reply); 750 String16 pass = data.readString16(); 751 int32_t ret = unlock(pass); 752 reply->writeNoException(); 753 reply->writeInt32(ret); 754 return NO_ERROR; 755 } break; 756 case ZERO: { 757 CHECK_INTERFACE(IKeystoreService, data, reply); 758 int32_t ret = zero(); 759 reply->writeNoException(); 760 reply->writeInt32(ret); 761 return NO_ERROR; 762 } break; 763 case GENERATE: { 764 CHECK_INTERFACE(IKeystoreService, data, reply); 765 String16 name = data.readString16(); 766 int32_t uid = data.readInt32(); 767 int32_t keyType = data.readInt32(); 768 int32_t keySize = data.readInt32(); 769 int32_t flags = data.readInt32(); 770 Vector<sp<KeystoreArg> > args; 771 ssize_t numArgs = data.readInt32(); 772 if (numArgs > 0) { 773 for (size_t i = 0; i < (size_t) numArgs; i++) { 774 ssize_t inSize = data.readInt32(); 775 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 776 sp<KeystoreArg> arg = new KeystoreArg(data.readInplace(inSize), inSize); 777 args.push_back(arg); 778 } else { 779 args.push_back(NULL); 780 } 781 } 782 } 783 int32_t ret = generate(name, uid, keyType, keySize, flags, &args); 784 reply->writeNoException(); 785 reply->writeInt32(ret); 786 return NO_ERROR; 787 } break; 788 case IMPORT: { 789 CHECK_INTERFACE(IKeystoreService, data, reply); 790 String16 name = data.readString16(); 791 ssize_t inSize = data.readInt32(); 792 const void* in; 793 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 794 in = data.readInplace(inSize); 795 } else { 796 in = NULL; 797 inSize = 0; 798 } 799 int uid = data.readInt32(); 800 int32_t flags = data.readInt32(); 801 int32_t ret = import(name, (const uint8_t*) in, (size_t) inSize, uid, flags); 802 reply->writeNoException(); 803 reply->writeInt32(ret); 804 return NO_ERROR; 805 } break; 806 case SIGN: { 807 CHECK_INTERFACE(IKeystoreService, data, reply); 808 String16 name = data.readString16(); 809 ssize_t inSize = data.readInt32(); 810 const void* in; 811 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 812 in = data.readInplace(inSize); 813 } else { 814 in = NULL; 815 inSize = 0; 816 } 817 void* out = NULL; 818 size_t outSize = 0; 819 int32_t ret = sign(name, (const uint8_t*) in, (size_t) inSize, (uint8_t**) &out, &outSize); 820 reply->writeNoException(); 821 if (outSize > 0 && out != NULL) { 822 reply->writeInt32(outSize); 823 void* buf = reply->writeInplace(outSize); 824 memcpy(buf, out, outSize); 825 free(out); 826 } else { 827 reply->writeInt32(-1); 828 } 829 reply->writeInt32(ret); 830 return NO_ERROR; 831 } break; 832 case VERIFY: { 833 CHECK_INTERFACE(IKeystoreService, data, reply); 834 String16 name = data.readString16(); 835 ssize_t inSize = data.readInt32(); 836 const void* in; 837 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 838 in = data.readInplace(inSize); 839 } else { 840 in = NULL; 841 inSize = 0; 842 } 843 ssize_t sigSize = data.readInt32(); 844 const void* sig; 845 if (sigSize >= 0 && (size_t) sigSize <= data.dataAvail()) { 846 sig = data.readInplace(sigSize); 847 } else { 848 sig = NULL; 849 sigSize = 0; 850 } 851 bool ret = verify(name, (const uint8_t*) in, (size_t) inSize, (const uint8_t*) sig, 852 (size_t) sigSize); 853 reply->writeNoException(); 854 reply->writeInt32(ret ? 1 : 0); 855 return NO_ERROR; 856 } break; 857 case GET_PUBKEY: { 858 CHECK_INTERFACE(IKeystoreService, data, reply); 859 String16 name = data.readString16(); 860 void* out = NULL; 861 size_t outSize = 0; 862 int32_t ret = get_pubkey(name, (unsigned char**) &out, &outSize); 863 reply->writeNoException(); 864 if (outSize > 0 && out != NULL) { 865 reply->writeInt32(outSize); 866 void* buf = reply->writeInplace(outSize); 867 memcpy(buf, out, outSize); 868 free(out); 869 } else { 870 reply->writeInt32(-1); 871 } 872 reply->writeInt32(ret); 873 return NO_ERROR; 874 } break; 875 case DEL_KEY: { 876 CHECK_INTERFACE(IKeystoreService, data, reply); 877 String16 name = data.readString16(); 878 int uid = data.readInt32(); 879 int32_t ret = del_key(name, uid); 880 reply->writeNoException(); 881 reply->writeInt32(ret); 882 return NO_ERROR; 883 } break; 884 case GRANT: { 885 CHECK_INTERFACE(IKeystoreService, data, reply); 886 String16 name = data.readString16(); 887 int32_t granteeUid = data.readInt32(); 888 int32_t ret = grant(name, granteeUid); 889 reply->writeNoException(); 890 reply->writeInt32(ret); 891 return NO_ERROR; 892 } break; 893 case UNGRANT: { 894 CHECK_INTERFACE(IKeystoreService, data, reply); 895 String16 name = data.readString16(); 896 int32_t granteeUid = data.readInt32(); 897 int32_t ret = ungrant(name, granteeUid); 898 reply->writeNoException(); 899 reply->writeInt32(ret); 900 return NO_ERROR; 901 } break; 902 case GETMTIME: { 903 CHECK_INTERFACE(IKeystoreService, data, reply); 904 String16 name = data.readString16(); 905 int64_t ret = getmtime(name); 906 reply->writeNoException(); 907 reply->writeInt64(ret); 908 return NO_ERROR; 909 } break; 910 case DUPLICATE: { 911 CHECK_INTERFACE(IKeystoreService, data, reply); 912 String16 srcKey = data.readString16(); 913 int32_t srcUid = data.readInt32(); 914 String16 destKey = data.readString16(); 915 int32_t destUid = data.readInt32(); 916 int32_t ret = duplicate(srcKey, srcUid, destKey, destUid); 917 reply->writeNoException(); 918 reply->writeInt32(ret); 919 return NO_ERROR; 920 } break; 921 case IS_HARDWARE_BACKED: { 922 CHECK_INTERFACE(IKeystoreService, data, reply); 923 String16 keyType = data.readString16(); 924 int32_t ret = is_hardware_backed(keyType); 925 reply->writeNoException(); 926 reply->writeInt32(ret); 927 return NO_ERROR; 928 } 929 case CLEAR_UID: { 930 CHECK_INTERFACE(IKeystoreService, data, reply); 931 int64_t uid = data.readInt64(); 932 int32_t ret = clear_uid(uid); 933 reply->writeNoException(); 934 reply->writeInt32(ret); 935 return NO_ERROR; 936 } 937 case RESET_UID: { 938 CHECK_INTERFACE(IKeystoreService, data, reply); 939 int32_t uid = data.readInt32(); 940 int32_t ret = reset_uid(uid); 941 reply->writeNoException(); 942 reply->writeInt32(ret); 943 return NO_ERROR; 944 } 945 case SYNC_UID: { 946 CHECK_INTERFACE(IKeystoreService, data, reply); 947 int32_t sourceUid = data.readInt32(); 948 int32_t targetUid = data.readInt32(); 949 int32_t ret = sync_uid(sourceUid, targetUid); 950 reply->writeNoException(); 951 reply->writeInt32(ret); 952 return NO_ERROR; 953 } 954 case PASSWORD_UID: { 955 CHECK_INTERFACE(IKeystoreService, data, reply); 956 String16 password = data.readString16(); 957 int32_t uid = data.readInt32(); 958 int32_t ret = password_uid(password, uid); 959 reply->writeNoException(); 960 reply->writeInt32(ret); 961 return NO_ERROR; 962 } 963 default: 964 return BBinder::onTransact(code, data, reply, flags); 965 } 966 } 967 968 // ---------------------------------------------------------------------------- 969 970 }; // namespace android 971
