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 class BpKeystoreService: public BpInterface<IKeystoreService> 33 { 34 public: 35 BpKeystoreService(const sp<IBinder>& impl) 36 : BpInterface<IKeystoreService>(impl) 37 { 38 } 39 40 // test ping 41 virtual int32_t test() 42 { 43 Parcel data, reply; 44 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 45 status_t status = remote()->transact(BnKeystoreService::TEST, data, &reply); 46 if (status != NO_ERROR) { 47 ALOGD("test() could not contact remote: %d\n", status); 48 return -1; 49 } 50 int32_t err = reply.readExceptionCode(); 51 int32_t ret = reply.readInt32(); 52 if (err < 0) { 53 ALOGD("test() caught exception %d\n", err); 54 return -1; 55 } 56 return ret; 57 } 58 59 virtual int32_t get(const String16& name, uint8_t** item, size_t* itemLength) 60 { 61 Parcel data, reply; 62 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 63 data.writeString16(name); 64 status_t status = remote()->transact(BnKeystoreService::GET, data, &reply); 65 if (status != NO_ERROR) { 66 ALOGD("get() could not contact remote: %d\n", status); 67 return -1; 68 } 69 int32_t err = reply.readExceptionCode(); 70 ssize_t len = reply.readInt32(); 71 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 72 size_t ulen = (size_t) len; 73 const void* buf = reply.readInplace(ulen); 74 *item = (uint8_t*) malloc(ulen); 75 if (*item != NULL) { 76 memcpy(*item, buf, ulen); 77 *itemLength = ulen; 78 } else { 79 ALOGE("out of memory allocating output array in get"); 80 *itemLength = 0; 81 } 82 } else { 83 *itemLength = 0; 84 } 85 if (err < 0) { 86 ALOGD("get() caught exception %d\n", err); 87 return -1; 88 } 89 return 0; 90 } 91 92 virtual int32_t insert(const String16& name, const uint8_t* item, size_t itemLength, int uid, 93 int32_t flags) 94 { 95 Parcel data, reply; 96 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 97 data.writeString16(name); 98 data.writeInt32(itemLength); 99 void* buf = data.writeInplace(itemLength); 100 memcpy(buf, item, itemLength); 101 data.writeInt32(uid); 102 data.writeInt32(flags); 103 status_t status = remote()->transact(BnKeystoreService::INSERT, data, &reply); 104 if (status != NO_ERROR) { 105 ALOGD("import() could not contact remote: %d\n", status); 106 return -1; 107 } 108 int32_t err = reply.readExceptionCode(); 109 int32_t ret = reply.readInt32(); 110 if (err < 0) { 111 ALOGD("import() caught exception %d\n", err); 112 return -1; 113 } 114 return ret; 115 } 116 117 virtual int32_t del(const String16& name, int uid) 118 { 119 Parcel data, reply; 120 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 121 data.writeString16(name); 122 data.writeInt32(uid); 123 status_t status = remote()->transact(BnKeystoreService::DEL, data, &reply); 124 if (status != NO_ERROR) { 125 ALOGD("del() could not contact remote: %d\n", status); 126 return -1; 127 } 128 int32_t err = reply.readExceptionCode(); 129 int32_t ret = reply.readInt32(); 130 if (err < 0) { 131 ALOGD("del() caught exception %d\n", err); 132 return -1; 133 } 134 return ret; 135 } 136 137 virtual int32_t exist(const String16& name, int uid) 138 { 139 Parcel data, reply; 140 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 141 data.writeString16(name); 142 data.writeInt32(uid); 143 status_t status = remote()->transact(BnKeystoreService::EXIST, data, &reply); 144 if (status != NO_ERROR) { 145 ALOGD("exist() could not contact remote: %d\n", status); 146 return -1; 147 } 148 int32_t err = reply.readExceptionCode(); 149 int32_t ret = reply.readInt32(); 150 if (err < 0) { 151 ALOGD("exist() caught exception %d\n", err); 152 return -1; 153 } 154 return ret; 155 } 156 157 virtual int32_t saw(const String16& name, int uid, Vector<String16>* matches) 158 { 159 Parcel data, reply; 160 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 161 data.writeString16(name); 162 data.writeInt32(uid); 163 status_t status = remote()->transact(BnKeystoreService::SAW, data, &reply); 164 if (status != NO_ERROR) { 165 ALOGD("saw() could not contact remote: %d\n", status); 166 return -1; 167 } 168 int32_t err = reply.readExceptionCode(); 169 int32_t numMatches = reply.readInt32(); 170 for (int32_t i = 0; i < numMatches; i++) { 171 matches->push(reply.readString16()); 172 } 173 int32_t ret = reply.readInt32(); 174 if (err < 0) { 175 ALOGD("saw() caught exception %d\n", err); 176 return -1; 177 } 178 return ret; 179 } 180 181 virtual int32_t reset() 182 { 183 Parcel data, reply; 184 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 185 status_t status = remote()->transact(BnKeystoreService::RESET, data, &reply); 186 if (status != NO_ERROR) { 187 ALOGD("reset() could not contact remote: %d\n", status); 188 return -1; 189 } 190 int32_t err = reply.readExceptionCode(); 191 int32_t ret = reply.readInt32(); 192 if (err < 0) { 193 ALOGD("reset() caught exception %d\n", err); 194 return -1; 195 } 196 return ret; 197 } 198 199 virtual int32_t password(const String16& password) 200 { 201 Parcel data, reply; 202 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 203 data.writeString16(password); 204 status_t status = remote()->transact(BnKeystoreService::PASSWORD, data, &reply); 205 if (status != NO_ERROR) { 206 ALOGD("password() could not contact remote: %d\n", status); 207 return -1; 208 } 209 int32_t err = reply.readExceptionCode(); 210 int32_t ret = reply.readInt32(); 211 if (err < 0) { 212 ALOGD("password() caught exception %d\n", err); 213 return -1; 214 } 215 return ret; 216 } 217 218 virtual int32_t lock() 219 { 220 Parcel data, reply; 221 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 222 status_t status = remote()->transact(BnKeystoreService::LOCK, data, &reply); 223 if (status != NO_ERROR) { 224 ALOGD("lock() could not contact remote: %d\n", status); 225 return -1; 226 } 227 int32_t err = reply.readExceptionCode(); 228 int32_t ret = reply.readInt32(); 229 if (err < 0) { 230 ALOGD("lock() caught exception %d\n", err); 231 return -1; 232 } 233 return ret; 234 } 235 236 virtual int32_t unlock(const String16& password) 237 { 238 Parcel data, reply; 239 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 240 data.writeString16(password); 241 status_t status = remote()->transact(BnKeystoreService::UNLOCK, data, &reply); 242 if (status != NO_ERROR) { 243 ALOGD("unlock() could not contact remote: %d\n", status); 244 return -1; 245 } 246 int32_t err = reply.readExceptionCode(); 247 int32_t ret = reply.readInt32(); 248 if (err < 0) { 249 ALOGD("unlock() caught exception %d\n", err); 250 return -1; 251 } 252 return ret; 253 } 254 255 virtual int32_t zero() 256 { 257 Parcel data, reply; 258 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 259 status_t status = remote()->transact(BnKeystoreService::ZERO, data, &reply); 260 if (status != NO_ERROR) { 261 ALOGD("zero() could not contact remote: %d\n", status); 262 return -1; 263 } 264 int32_t err = reply.readExceptionCode(); 265 int32_t ret = reply.readInt32(); 266 if (err < 0) { 267 ALOGD("zero() caught exception %d\n", err); 268 return -1; 269 } 270 return ret; 271 } 272 273 virtual int32_t generate(const String16& name, int uid, int32_t flags) 274 { 275 Parcel data, reply; 276 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 277 data.writeString16(name); 278 data.writeInt32(uid); 279 data.writeInt32(flags); 280 status_t status = remote()->transact(BnKeystoreService::GENERATE, data, &reply); 281 if (status != NO_ERROR) { 282 ALOGD("generate() could not contact remote: %d\n", status); 283 return -1; 284 } 285 int32_t err = reply.readExceptionCode(); 286 int32_t ret = reply.readInt32(); 287 if (err < 0) { 288 ALOGD("generate() caught exception %d\n", err); 289 return -1; 290 } 291 return ret; 292 } 293 294 virtual int32_t import(const String16& name, const uint8_t* key, size_t keyLength, int uid, 295 int flags) 296 { 297 Parcel data, reply; 298 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 299 data.writeString16(name); 300 data.writeInt32(keyLength); 301 void* buf = data.writeInplace(keyLength); 302 memcpy(buf, key, keyLength); 303 data.writeInt32(uid); 304 data.writeInt32(flags); 305 status_t status = remote()->transact(BnKeystoreService::IMPORT, data, &reply); 306 if (status != NO_ERROR) { 307 ALOGD("import() could not contact remote: %d\n", status); 308 return -1; 309 } 310 int32_t err = reply.readExceptionCode(); 311 int32_t ret = reply.readInt32(); 312 if (err < 0) { 313 ALOGD("import() caught exception %d\n", err); 314 return -1; 315 } 316 return ret; 317 } 318 319 virtual int32_t sign(const String16& name, const uint8_t* in, size_t inLength, uint8_t** out, 320 size_t* outLength) 321 { 322 Parcel data, reply; 323 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 324 data.writeString16(name); 325 data.writeInt32(inLength); 326 void* buf = data.writeInplace(inLength); 327 memcpy(buf, in, inLength); 328 status_t status = remote()->transact(BnKeystoreService::SIGN, data, &reply); 329 if (status != NO_ERROR) { 330 ALOGD("import() could not contact remote: %d\n", status); 331 return -1; 332 } 333 int32_t err = reply.readExceptionCode(); 334 ssize_t len = reply.readInt32(); 335 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 336 size_t ulen = (size_t) len; 337 const void* outBuf = reply.readInplace(ulen); 338 *out = (uint8_t*) malloc(ulen); 339 if (*out != NULL) { 340 memcpy((void*) *out, outBuf, ulen); 341 *outLength = ulen; 342 } else { 343 ALOGE("out of memory allocating output array in sign"); 344 *outLength = 0; 345 } 346 } else { 347 *outLength = 0; 348 } 349 if (err < 0) { 350 ALOGD("import() caught exception %d\n", err); 351 return -1; 352 } 353 return 0; 354 } 355 356 virtual int32_t verify(const String16& name, const uint8_t* in, size_t inLength, 357 const uint8_t* signature, size_t signatureLength) 358 { 359 Parcel data, reply; 360 void* buf; 361 362 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 363 data.writeString16(name); 364 data.writeInt32(inLength); 365 buf = data.writeInplace(inLength); 366 memcpy(buf, in, inLength); 367 data.writeInt32(signatureLength); 368 buf = data.writeInplace(signatureLength); 369 memcpy(buf, signature, signatureLength); 370 status_t status = remote()->transact(BnKeystoreService::VERIFY, data, &reply); 371 if (status != NO_ERROR) { 372 ALOGD("verify() could not contact remote: %d\n", status); 373 return -1; 374 } 375 int32_t err = reply.readExceptionCode(); 376 int32_t ret = reply.readInt32(); 377 if (err < 0) { 378 ALOGD("verify() caught exception %d\n", err); 379 return -1; 380 } 381 return ret; 382 } 383 384 virtual int32_t get_pubkey(const String16& name, uint8_t** pubkey, size_t* pubkeyLength) 385 { 386 Parcel data, reply; 387 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 388 data.writeString16(name); 389 status_t status = remote()->transact(BnKeystoreService::GET_PUBKEY, data, &reply); 390 if (status != NO_ERROR) { 391 ALOGD("get_pubkey() could not contact remote: %d\n", status); 392 return -1; 393 } 394 int32_t err = reply.readExceptionCode(); 395 ssize_t len = reply.readInt32(); 396 if (len >= 0 && (size_t) len <= reply.dataAvail()) { 397 size_t ulen = (size_t) len; 398 const void* buf = reply.readInplace(ulen); 399 *pubkey = (uint8_t*) malloc(ulen); 400 if (*pubkey != NULL) { 401 memcpy(*pubkey, buf, ulen); 402 *pubkeyLength = ulen; 403 } else { 404 ALOGE("out of memory allocating output array in get_pubkey"); 405 *pubkeyLength = 0; 406 } 407 } else { 408 *pubkeyLength = 0; 409 } 410 if (err < 0) { 411 ALOGD("get_pubkey() caught exception %d\n", err); 412 return -1; 413 } 414 return 0; 415 } 416 417 virtual int32_t del_key(const String16& name, int uid) 418 { 419 Parcel data, reply; 420 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 421 data.writeString16(name); 422 data.writeInt32(uid); 423 status_t status = remote()->transact(BnKeystoreService::DEL_KEY, data, &reply); 424 if (status != NO_ERROR) { 425 ALOGD("del_key() could not contact remote: %d\n", status); 426 return -1; 427 } 428 int32_t err = reply.readExceptionCode(); 429 int32_t ret = reply.readInt32(); 430 if (err < 0) { 431 ALOGD("del_key() caught exception %d\n", err); 432 return -1; 433 } 434 return ret; 435 } 436 437 virtual int32_t grant(const String16& name, int32_t granteeUid) 438 { 439 Parcel data, reply; 440 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 441 data.writeString16(name); 442 data.writeInt32(granteeUid); 443 status_t status = remote()->transact(BnKeystoreService::GRANT, data, &reply); 444 if (status != NO_ERROR) { 445 ALOGD("grant() could not contact remote: %d\n", status); 446 return -1; 447 } 448 int32_t err = reply.readExceptionCode(); 449 int32_t ret = reply.readInt32(); 450 if (err < 0) { 451 ALOGD("grant() caught exception %d\n", err); 452 return -1; 453 } 454 return ret; 455 } 456 457 virtual int32_t ungrant(const String16& name, int32_t granteeUid) 458 { 459 Parcel data, reply; 460 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 461 data.writeString16(name); 462 data.writeInt32(granteeUid); 463 status_t status = remote()->transact(BnKeystoreService::UNGRANT, data, &reply); 464 if (status != NO_ERROR) { 465 ALOGD("ungrant() could not contact remote: %d\n", status); 466 return -1; 467 } 468 int32_t err = reply.readExceptionCode(); 469 int32_t ret = reply.readInt32(); 470 if (err < 0) { 471 ALOGD("ungrant() caught exception %d\n", err); 472 return -1; 473 } 474 return ret; 475 } 476 477 int64_t getmtime(const String16& name) 478 { 479 Parcel data, reply; 480 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 481 data.writeString16(name); 482 status_t status = remote()->transact(BnKeystoreService::GETMTIME, data, &reply); 483 if (status != NO_ERROR) { 484 ALOGD("getmtime() could not contact remote: %d\n", status); 485 return -1; 486 } 487 int32_t err = reply.readExceptionCode(); 488 int64_t ret = reply.readInt64(); 489 if (err < 0) { 490 ALOGD("getmtime() caught exception %d\n", err); 491 return -1; 492 } 493 return ret; 494 } 495 496 virtual int32_t duplicate(const String16& srcKey, int32_t srcUid, const String16& destKey, 497 int32_t destUid) 498 { 499 Parcel data, reply; 500 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 501 data.writeString16(srcKey); 502 data.writeInt32(srcUid); 503 data.writeString16(destKey); 504 data.writeInt32(destUid); 505 status_t status = remote()->transact(BnKeystoreService::DUPLICATE, data, &reply); 506 if (status != NO_ERROR) { 507 ALOGD("duplicate() could not contact remote: %d\n", status); 508 return -1; 509 } 510 int32_t err = reply.readExceptionCode(); 511 int32_t ret = reply.readInt32(); 512 if (err < 0) { 513 ALOGD("duplicate() caught exception %d\n", err); 514 return -1; 515 } 516 return ret; 517 } 518 519 virtual int32_t is_hardware_backed() 520 { 521 Parcel data, reply; 522 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 523 status_t status = remote()->transact(BnKeystoreService::IS_HARDWARE_BACKED, data, &reply); 524 if (status != NO_ERROR) { 525 ALOGD("is_hardware_backed() could not contact remote: %d\n", status); 526 return -1; 527 } 528 int32_t err = reply.readExceptionCode(); 529 int32_t ret = reply.readInt32(); 530 if (err < 0) { 531 ALOGD("is_hardware_backed() caught exception %d\n", err); 532 return -1; 533 } 534 return ret; 535 } 536 537 virtual int32_t clear_uid(int64_t uid) 538 { 539 Parcel data, reply; 540 data.writeInterfaceToken(IKeystoreService::getInterfaceDescriptor()); 541 data.writeInt64(uid); 542 status_t status = remote()->transact(BnKeystoreService::CLEAR_UID, data, &reply); 543 if (status != NO_ERROR) { 544 ALOGD("clear_uid() could not contact remote: %d\n", status); 545 return -1; 546 } 547 int32_t err = reply.readExceptionCode(); 548 int32_t ret = reply.readInt32(); 549 if (err < 0) { 550 ALOGD("clear_uid() caught exception %d\n", err); 551 return -1; 552 } 553 return ret; 554 } 555 }; 556 557 IMPLEMENT_META_INTERFACE(KeystoreService, "android.security.keystore"); 558 559 // ---------------------------------------------------------------------- 560 561 status_t BnKeystoreService::onTransact( 562 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 563 { 564 switch(code) { 565 case TEST: { 566 CHECK_INTERFACE(IKeystoreService, data, reply); 567 int32_t ret = test(); 568 reply->writeNoException(); 569 reply->writeInt32(ret); 570 return NO_ERROR; 571 } break; 572 case GET: { 573 CHECK_INTERFACE(IKeystoreService, data, reply); 574 String16 name = data.readString16(); 575 void* out = NULL; 576 size_t outSize = 0; 577 int32_t ret = get(name, (uint8_t**) &out, &outSize); 578 reply->writeNoException(); 579 if (ret == 1) { 580 reply->writeInt32(outSize); 581 void* buf = reply->writeInplace(outSize); 582 memcpy(buf, out, outSize); 583 free(out); 584 } else { 585 reply->writeInt32(-1); 586 } 587 return NO_ERROR; 588 } break; 589 case INSERT: { 590 CHECK_INTERFACE(IKeystoreService, data, reply); 591 String16 name = data.readString16(); 592 ssize_t inSize = data.readInt32(); 593 const void* in; 594 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 595 in = data.readInplace(inSize); 596 } else { 597 in = NULL; 598 inSize = 0; 599 } 600 int uid = data.readInt32(); 601 int32_t flags = data.readInt32(); 602 int32_t ret = insert(name, (const uint8_t*) in, (size_t) inSize, uid, flags); 603 reply->writeNoException(); 604 reply->writeInt32(ret); 605 return NO_ERROR; 606 } break; 607 case DEL: { 608 CHECK_INTERFACE(IKeystoreService, data, reply); 609 String16 name = data.readString16(); 610 int uid = data.readInt32(); 611 int32_t ret = del(name, uid); 612 reply->writeNoException(); 613 reply->writeInt32(ret); 614 return NO_ERROR; 615 } break; 616 case EXIST: { 617 CHECK_INTERFACE(IKeystoreService, data, reply); 618 String16 name = data.readString16(); 619 int uid = data.readInt32(); 620 int32_t ret = exist(name, uid); 621 reply->writeNoException(); 622 reply->writeInt32(ret); 623 return NO_ERROR; 624 } break; 625 case SAW: { 626 CHECK_INTERFACE(IKeystoreService, data, reply); 627 String16 name = data.readString16(); 628 int uid = data.readInt32(); 629 Vector<String16> matches; 630 int32_t ret = saw(name, uid, &matches); 631 reply->writeNoException(); 632 reply->writeInt32(matches.size()); 633 Vector<String16>::const_iterator it = matches.begin(); 634 for (; it != matches.end(); ++it) { 635 reply->writeString16(*it); 636 } 637 reply->writeInt32(ret); 638 return NO_ERROR; 639 } break; 640 case RESET: { 641 CHECK_INTERFACE(IKeystoreService, data, reply); 642 int32_t ret = reset(); 643 reply->writeNoException(); 644 reply->writeInt32(ret); 645 return NO_ERROR; 646 } break; 647 case PASSWORD: { 648 CHECK_INTERFACE(IKeystoreService, data, reply); 649 String16 pass = data.readString16(); 650 int32_t ret = password(pass); 651 reply->writeNoException(); 652 reply->writeInt32(ret); 653 return NO_ERROR; 654 } break; 655 case LOCK: { 656 CHECK_INTERFACE(IKeystoreService, data, reply); 657 int32_t ret = lock(); 658 reply->writeNoException(); 659 reply->writeInt32(ret); 660 return NO_ERROR; 661 } break; 662 case UNLOCK: { 663 CHECK_INTERFACE(IKeystoreService, data, reply); 664 String16 pass = data.readString16(); 665 int32_t ret = unlock(pass); 666 reply->writeNoException(); 667 reply->writeInt32(ret); 668 return NO_ERROR; 669 } break; 670 case ZERO: { 671 CHECK_INTERFACE(IKeystoreService, data, reply); 672 int32_t ret = zero(); 673 reply->writeNoException(); 674 reply->writeInt32(ret); 675 return NO_ERROR; 676 } break; 677 case GENERATE: { 678 CHECK_INTERFACE(IKeystoreService, data, reply); 679 String16 name = data.readString16(); 680 int uid = data.readInt32(); 681 int32_t flags = data.readInt32(); 682 int32_t ret = generate(name, uid, flags); 683 reply->writeNoException(); 684 reply->writeInt32(ret); 685 return NO_ERROR; 686 } break; 687 case IMPORT: { 688 CHECK_INTERFACE(IKeystoreService, data, reply); 689 String16 name = data.readString16(); 690 ssize_t inSize = data.readInt32(); 691 const void* in; 692 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 693 in = data.readInplace(inSize); 694 } else { 695 in = NULL; 696 inSize = 0; 697 } 698 int uid = data.readInt32(); 699 int32_t flags = data.readInt32(); 700 int32_t ret = import(name, (const uint8_t*) in, (size_t) inSize, uid, flags); 701 reply->writeNoException(); 702 reply->writeInt32(ret); 703 return NO_ERROR; 704 } break; 705 case SIGN: { 706 CHECK_INTERFACE(IKeystoreService, data, reply); 707 String16 name = data.readString16(); 708 ssize_t inSize = data.readInt32(); 709 const void* in; 710 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 711 in = data.readInplace(inSize); 712 } else { 713 in = NULL; 714 inSize = 0; 715 } 716 void* out = NULL; 717 size_t outSize = 0; 718 int32_t ret = sign(name, (const uint8_t*) in, (size_t) inSize, (uint8_t**) &out, &outSize); 719 reply->writeNoException(); 720 if (outSize > 0 && out != NULL) { 721 reply->writeInt32(outSize); 722 void* buf = reply->writeInplace(outSize); 723 memcpy(buf, out, outSize); 724 free(out); 725 } else { 726 reply->writeInt32(-1); 727 } 728 reply->writeInt32(ret); 729 return NO_ERROR; 730 } break; 731 case VERIFY: { 732 CHECK_INTERFACE(IKeystoreService, data, reply); 733 String16 name = data.readString16(); 734 ssize_t inSize = data.readInt32(); 735 const void* in; 736 if (inSize >= 0 && (size_t) inSize <= data.dataAvail()) { 737 in = data.readInplace(inSize); 738 } else { 739 in = NULL; 740 inSize = 0; 741 } 742 ssize_t sigSize = data.readInt32(); 743 const void* sig; 744 if (sigSize >= 0 && (size_t) sigSize <= data.dataAvail()) { 745 sig = data.readInplace(sigSize); 746 } else { 747 sig = NULL; 748 sigSize = 0; 749 } 750 bool ret = verify(name, (const uint8_t*) in, (size_t) inSize, (const uint8_t*) sig, 751 (size_t) sigSize); 752 reply->writeNoException(); 753 reply->writeInt32(ret ? 1 : 0); 754 return NO_ERROR; 755 } break; 756 case GET_PUBKEY: { 757 CHECK_INTERFACE(IKeystoreService, data, reply); 758 String16 name = data.readString16(); 759 void* out = NULL; 760 size_t outSize = 0; 761 int32_t ret = get_pubkey(name, (unsigned char**) &out, &outSize); 762 reply->writeNoException(); 763 if (outSize > 0 && out != NULL) { 764 reply->writeInt32(outSize); 765 void* buf = reply->writeInplace(outSize); 766 memcpy(buf, out, outSize); 767 free(out); 768 } else { 769 reply->writeInt32(-1); 770 } 771 reply->writeInt32(ret); 772 return NO_ERROR; 773 } break; 774 case DEL_KEY: { 775 CHECK_INTERFACE(IKeystoreService, data, reply); 776 String16 name = data.readString16(); 777 int uid = data.readInt32(); 778 int32_t ret = del_key(name, uid); 779 reply->writeNoException(); 780 reply->writeInt32(ret); 781 return NO_ERROR; 782 } break; 783 case GRANT: { 784 CHECK_INTERFACE(IKeystoreService, data, reply); 785 String16 name = data.readString16(); 786 int32_t granteeUid = data.readInt32(); 787 int32_t ret = grant(name, granteeUid); 788 reply->writeNoException(); 789 reply->writeInt32(ret); 790 return NO_ERROR; 791 } break; 792 case UNGRANT: { 793 CHECK_INTERFACE(IKeystoreService, data, reply); 794 String16 name = data.readString16(); 795 int32_t granteeUid = data.readInt32(); 796 int32_t ret = ungrant(name, granteeUid); 797 reply->writeNoException(); 798 reply->writeInt32(ret); 799 return NO_ERROR; 800 } break; 801 case GETMTIME: { 802 CHECK_INTERFACE(IKeystoreService, data, reply); 803 String16 name = data.readString16(); 804 int64_t ret = getmtime(name); 805 reply->writeNoException(); 806 reply->writeInt64(ret); 807 return NO_ERROR; 808 } break; 809 case DUPLICATE: { 810 CHECK_INTERFACE(IKeystoreService, data, reply); 811 String16 srcKey = data.readString16(); 812 int32_t srcUid = data.readInt32(); 813 String16 destKey = data.readString16(); 814 int32_t destUid = data.readInt32(); 815 int32_t ret = duplicate(srcKey, srcUid, destKey, destUid); 816 reply->writeNoException(); 817 reply->writeInt32(ret); 818 return NO_ERROR; 819 } break; 820 case IS_HARDWARE_BACKED: { 821 CHECK_INTERFACE(IKeystoreService, data, reply); 822 int32_t ret = is_hardware_backed(); 823 reply->writeNoException(); 824 reply->writeInt32(ret); 825 return NO_ERROR; 826 } 827 case CLEAR_UID: { 828 CHECK_INTERFACE(IKeystoreService, data, reply); 829 int64_t uid = data.readInt64(); 830 int32_t ret = clear_uid(uid); 831 reply->writeNoException(); 832 reply->writeInt32(ret); 833 return NO_ERROR; 834 } 835 default: 836 return BBinder::onTransact(code, data, reply, flags); 837 } 838 } 839 840 // ---------------------------------------------------------------------------- 841 842 }; // namespace android 843
