src/tokendatabase.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  23
  24
  25 //
  26 // tokendatabase - software database container implementation.
  27 //
  28 #include "tokendatabase.h"
  29 #include "tokenkey.h"
  30 #include "tokenaccess.h"
  31 #include "process.h"
  32 #include "server.h"
  33 #include "localkey.h"           // to retrieve local raw keys
  34 #include <security_cdsa_client/wrapkey.h>
  35
  36
  37 //
  38 // Construct a TokenDbCommon
  39 //
  40 TokenDbCommon::TokenDbCommon(Session &ssn, Token &tk, const char *name)
  41         : DbCommon(ssn), mDbName(name ? name : ""), mResetLevel(0)
  42 {
  43         parent(tk);
  44 }
  45
  46 Token &TokenDbCommon::token() const
  47 {
  48         return parent<Token>();
  49 }
  50
  51 string TokenDbCommon::dbName() const
  52 {
  53         return token().printName().c_str();
  54 }
  55
  56
  57 //
  58 // A TokenDbCommon holds per-session adornments for the ACL machine
  59 //
  60 Adornable &TokenDbCommon::store()
  61 {
  62         StLock<Mutex> _(*this);
  63
  64         // if this is the first one, hook for lifetime
  65         if (mAdornments.empty()) {
  66                 session().addReference(*this);          // hold and slave to SSN lifetime
  67                 token().addCommon(*this);                       // register with Token
  68         }
  69
  70         // return our (now active) adornments
  71         return mAdornments;
  72 }
  73
  74 void TokenDbCommon::resetAcls()
  75 {
  76         StLock<Mutex> _(*this);
  77         if (!mAdornments.empty()) {
  78                 mAdornments.clearAdornments();          // clear ACL state
  79                 session().removeReference(*this);       // unhook from SSN
  80                 token().removeCommon(*this);            // unregister from Token
  81         }
  82 }
  83
  84
  85 //
  86 // Process (our part of) a "lock all" request.
  87 // Smartcard tokens interpret a "lock" as a forced card reset, transmitted
  88 // to tokend as an authenticate request.
  89 // @@@ Virtual reset for multi-session tokens. Right now, we're using the sledge hammer.
  90 //
  91 void TokenDbCommon::lockProcessing()
  92 {
  93         Access access(token());
  94         access().authenticate(CSSM_DB_ACCESS_RESET, NULL);
  95 }
  96
  97
  98 //
  99 // Construct a TokenDatabase given subservice information.
 100 // We are currently ignoring the 'name' argument.
 101 //
 102 TokenDatabase::TokenDatabase(uint32 ssid, Process &proc,
 103         const char *name, const AccessCredentials *cred)
 104         : Database(proc)
 105 {
 106         // locate Token object
 107         RefPointer<Token> token = Token::find(ssid);
 108
 109         Session &session = process().session();
 110         StLock<Mutex> _(session);
 111         if (TokenDbCommon *dbcom = session.findFirst<TokenDbCommon, uint32>(&TokenDbCommon::subservice, ssid)) {
 112                 parent(*dbcom);
 113                 secdebug("tokendb", "open tokendb %p(%ld) at known common %p",
 114                         this, subservice(), dbcom);
 115         } else {
 116                 // DbCommon not present; make a new one
 117                 parent(*new TokenDbCommon(proc.session(), *token, name));
 118                 secdebug("tokendb", "open tokendb %p(%ld) with new common %p",
 119                         this, subservice(), &common());
 120         }
 121         mOpenCreds = copy(cred, Allocator::standard());
 122         proc.addReference(*this);
 123 }
 124
 125 TokenDatabase::~TokenDatabase()
 126 {
 127         Allocator::standard().free(mOpenCreds);
 128 }
 129
 130
 131 //
 132 // Basic Database virtual implementations
 133 //
 134 TokenDbCommon &TokenDatabase::common() const
 135 {
 136         return parent<TokenDbCommon>();
 137 }
 138
 139 TokenDaemon &TokenDatabase::tokend()
 140 {
 141         return common().token().tokend();
 142 }
 143
 144 const char *TokenDatabase::dbName() const
 145 {
 146         return common().dbName().c_str();
 147 }
 148
 149 bool TokenDatabase::transient() const
 150 {
 151         //@@@ let tokend decide? Are there any secure transient keystores?
 152         return false;
 153 }
 154
 155
 156 SecurityServerAcl &TokenDatabase::acl()
 157 {
 158         return token();
 159 }
 160
 161 bool TokenDatabase::isLocked() const
 162 {
 163         Access access(token());
 164         return access().isLocked();
 165 }
 166
 167
 168 //
 169 // TokenDatabases implement the dbName-setting function.
 170 // This sets the print name of the token, which is persistently
 171 // stored in the token cache. So this is a de-facto rename of
 172 // the token, at least on this system.
 173 //
 174 void TokenDatabase::dbName(const char *name)
 175 {
 176         CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
 177 }
 178
 179
 180 //
 181 // Given a key handle and CssmKey returned from tokend, create a Key representing
 182 // it. This takes care of raw returns by turning them into keys of the process's
 183 // local transient store.
 184 //
 185 RefPointer<Key> TokenDatabase::makeKey(KeyHandle hKey, const CssmKey *key,
 186         const AclEntryPrototype *owner)
 187 {
 188         switch (key->blobType()) {
 189         case CSSM_KEYBLOB_REFERENCE:
 190                 return new TokenKey(*this, hKey, key->header());
 191         case CSSM_KEYBLOB_RAW:
 192                 return process().makeTemporaryKey(*key, 0, owner);
 193         default:
 194                 CssmError::throwMe(CSSM_ERRCODE_INTERNAL_ERROR);        // bad key return from tokend
 195         }
 196         //@@@ Server::releaseWhenDone(key);
 197 }
 198
 199
 200 //
 201 // Adjust key attributes for newly created keys
 202 //
 203 static CSSM_KEYATTR_FLAGS modattrs(CSSM_KEYATTR_FLAGS attrs)
 204 {
 205         static const CSSM_KEYATTR_FLAGS CSSM_KEYATTR_RETURN_FLAGS = 0xff000000;
 206         switch (attrs & CSSM_KEYATTR_RETURN_FLAGS) {
 207         case CSSM_KEYATTR_RETURN_REF:
 208         case CSSM_KEYATTR_RETURN_DATA:
 209                 break;  // as requested
 210         case CSSM_KEYATTR_RETURN_NONE:
 211                 CssmError::throwMe(CSSMERR_CSP_UNSUPPORTED_KEYATTR_MASK);
 212         case CSSM_KEYATTR_RETURN_DEFAULT:
 213                 if (attrs & CSSM_KEYATTR_PERMANENT)
 214                         attrs |= CSSM_KEYATTR_RETURN_REF;
 215                 else
 216                         attrs |= CSSM_KEYATTR_RETURN_DATA;
 217                 break;
 218         }
 219         return attrs;
 220 }
 221
 222
 223 //
 224 // TokenDatabases support remote secret validation by sending a secret
 225 // (aka passphrase et al) to tokend for processing.
 226 //
 227 bool TokenDatabase::validateSecret(const AclSubject *subject, const AccessCredentials *cred)
 228 {
 229         secdebug("tokendb", "%p attempting remote validation", this);
 230         try {
 231                 Access access(token());
 232                 // @@@ Use cached mode
 233                 access().authenticate(CSSM_DB_ACCESS_READ, cred);
 234                 secdebug("tokendb", "%p remote validation successful", this);
 235                 return true;
 236         } catch (...) {
 237                 secdebug("tokendb", "%p remote validation failed", this);
 238                 return false;
 239         }
 240 }
 241
 242
 243 //
 244 // Key inquiries
 245 //
 246 void TokenDatabase::queryKeySizeInBits(Key &key, CssmKeySize &result)
 247 {
 248         Access access(token());
 249         TRY
 250         GUARD
 251         access().queryKeySizeInBits(myKey(key).tokenHandle(), result);
 252         DONE
 253 }
 254
 255
 256 //
 257 // Signatures and MACs
 258 //
 259 void TokenDatabase::generateSignature(const Context &context, Key &key,
 260         CSSM_ALGORITHMS signOnlyAlgorithm, const CssmData &data, CssmData &signature)
 261 {
 262         Access access(token(), key);
 263         TRY
 264         key.validate(CSSM_ACL_AUTHORIZATION_SIGN, context);
 265         GUARD
 266         access().generateSignature(context, myKey(key).tokenHandle(), data, signature, signOnlyAlgorithm);
 267         DONE
 268 }
 269
 270
 271 void TokenDatabase::verifySignature(const Context &context, Key &key,
 272         CSSM_ALGORITHMS verifyOnlyAlgorithm, const CssmData &data, const CssmData &signature)
 273 {
 274         Access access(token(), key);
 275         TRY
 276         GUARD
 277         access().verifySignature(context, myKey(key).tokenHandle(), data, signature, verifyOnlyAlgorithm);
 278         DONE
 279 }
 280
 281 void TokenDatabase::generateMac(const Context &context, Key &key,
 282         const CssmData &data, CssmData &mac)
 283 {
 284         Access access(token());
 285         TRY
 286         key.validate(CSSM_ACL_AUTHORIZATION_MAC, context);
 287         GUARD
 288         access().generateMac(context, myKey(key).tokenHandle(), data, mac);
 289         DONE
 290 }
 291
 292 void TokenDatabase::verifyMac(const Context &context, Key &key,
 293         const CssmData &data, const CssmData &mac)
 294 {
 295         Access access(token());
 296         TRY
 297         key.validate(CSSM_ACL_AUTHORIZATION_MAC, context);
 298         GUARD
 299         access().verifyMac(context, myKey(key).tokenHandle(), data, mac);
 300         DONE
 301 }
 302
 303
 304 //
 305 // Encryption/decryption
 306 //
 307 void TokenDatabase::encrypt(const Context &context, Key &key,
 308         const CssmData &clear, CssmData &cipher)
 309 {
 310         Access access(token());
 311         TRY
 312         key.validate(CSSM_ACL_AUTHORIZATION_ENCRYPT, context);
 313         GUARD
 314         access().encrypt(context, myKey(key).tokenHandle(), clear, cipher);
 315         DONE
 316 }
 317
 318
 319 void TokenDatabase::decrypt(const Context &context, Key &key,
 320         const CssmData &cipher, CssmData &clear)
 321 {
 322         Access access(token());
 323         TRY
 324         key.validate(CSSM_ACL_AUTHORIZATION_DECRYPT, context);
 325         GUARD
 326         access().decrypt(context, myKey(key).tokenHandle(), cipher, clear);
 327         DONE
 328 }
 329
 330
 331 //
 332 // Key generation and derivation.
 333 // Currently, we consider symmetric key generation to be fast, but
 334 // asymmetric key generation to be (potentially) slow.
 335 //
 336 void TokenDatabase::generateKey(const Context &context,
 337                 const AccessCredentials *cred, const AclEntryPrototype *owner,
 338                 CSSM_KEYUSE usage, CSSM_KEYATTR_FLAGS attrs, RefPointer<Key> &newKey)
 339 {
 340         Access access(token());
 341         TRY
 342         GUARD
 343         KeyHandle hKey;
 344         CssmKey *result;
 345         access().generateKey(context, cred, owner, usage, modattrs(attrs), hKey, result);
 346         newKey = makeKey(hKey, result, owner);
 347         DONE
 348 }
 349
 350 void TokenDatabase::generateKey(const Context &context,
 351         const AccessCredentials *cred, const AclEntryPrototype *owner,
 352         CSSM_KEYUSE pubUsage, CSSM_KEYATTR_FLAGS pubAttrs,
 353         CSSM_KEYUSE privUsage, CSSM_KEYATTR_FLAGS privAttrs,
 354     RefPointer<Key> &publicKey, RefPointer<Key> &privateKey)
 355 {
 356         Access access(token());
 357         TRY
 358         GUARD
 359         KeyHandle hPrivate, hPublic;
 360         CssmKey *privKey, *pubKey;
 361         access().generateKey(context, cred, owner,
 362                 pubUsage, modattrs(pubAttrs), privUsage, modattrs(privAttrs),
 363                 hPublic, pubKey, hPrivate, privKey);
 364         publicKey = makeKey(hPublic, pubKey, owner);
 365         privateKey = makeKey(hPrivate, privKey, owner);
 366         DONE
 367 }
 368
 369
 370 //
 371 // Key wrapping and unwrapping.
 372 // Note that the key argument (the key in the context) is optional because of the special
 373 // case of "cleartext" (null algorithm) wrapping for import/export.
 374 //
 375 void TokenDatabase::wrapKey(const Context &context, const AccessCredentials *cred,
 376                 Key *wrappingKey, Key &subjectKey,
 377         const CssmData &descriptiveData, CssmKey &wrappedKey)
 378 {
 379         Access access(token());
 380         InputKey cWrappingKey(wrappingKey);
 381         InputKey cSubjectKey(subjectKey);
 382         TRY
 383         subjectKey.validate(context.algorithm() == CSSM_ALGID_NONE ?
 384             CSSM_ACL_AUTHORIZATION_EXPORT_CLEAR : CSSM_ACL_AUTHORIZATION_EXPORT_WRAPPED,
 385         cred);
 386     if (wrappingKey)
 387                 wrappingKey->validate(CSSM_ACL_AUTHORIZATION_ENCRYPT, context);
 388         GUARD
 389         CssmKey *rWrappedKey;
 390         access().wrapKey(context, cred,
 391                 cWrappingKey, cWrappingKey, cSubjectKey, cSubjectKey,
 392                 descriptiveData, rWrappedKey);
 393         wrappedKey = *rWrappedKey;
 394         //@@@ ownership of wrappedKey.keyData() ??
 395         DONE
 396 }
 397
 398 void TokenDatabase::unwrapKey(const Context &context,
 399                 const AccessCredentials *cred, const AclEntryPrototype *owner,
 400                 Key *wrappingKey, Key *publicKey, CSSM_KEYUSE usage, CSSM_KEYATTR_FLAGS attrs,
 401                 const CssmKey wrappedKey, RefPointer<Key> &unwrappedKey, CssmData &descriptiveData)
 402 {
 403         Access access(token());
 404         InputKey cWrappingKey(wrappingKey);
 405         InputKey cPublicKey(publicKey);
 406         TRY
 407     if (wrappingKey)
 408                 wrappingKey->validate(CSSM_ACL_AUTHORIZATION_DECRYPT, context);
 409         // we are not checking access on the public key, if any
 410         GUARD
 411         KeyHandle hKey;
 412         CssmKey *result;
 413         access().unwrapKey(context, cred, owner,
 414                 cWrappingKey, cWrappingKey, cPublicKey, cPublicKey,
 415                 wrappedKey, usage, modattrs(attrs), descriptiveData, hKey, result);
 416         unwrappedKey = makeKey(hKey, result, owner);
 417         DONE
 418 }
 419
 420
 421 //
 422 // Key derivation
 423 //
 424 void TokenDatabase::deriveKey(const Context &context, Key *sourceKey,
 425         const AccessCredentials *cred, const AclEntryPrototype *owner,
 426         CssmData *param, CSSM_KEYUSE usage, CSSM_KEYATTR_FLAGS attrs, RefPointer<Key> &derivedKey)
 427 {
 428         Access access(token());
 429         InputKey cSourceKey(sourceKey);
 430         TRY
 431     if (sourceKey)
 432                 sourceKey->validate(CSSM_ACL_AUTHORIZATION_DERIVE, cred);
 433         GUARD
 434         KeyHandle hKey;
 435         CssmKey *result;
 436         CssmData params = param ? *param : CssmData();
 437         access().deriveKey(noDb, context,
 438                 cSourceKey, cSourceKey,
 439                 usage, modattrs(attrs), params, cred, owner,
 440                 hKey, result);
 441         if (param) {
 442                 *param = params;
 443                 //@@@ leak? what's the rule here?
 444         }
 445         derivedKey = makeKey(hKey, result, owner);
 446         DONE
 447 }
 448
 449
 450 //
 451 // Miscellaneous CSSM functions
 452 //
 453 void TokenDatabase::getOutputSize(const Context &context, Key &key,
 454         uint32 inputSize, bool encrypt, uint32 &result)
 455 {
 456         Access access(token());
 457         TRY
 458         GUARD
 459         access().getOutputSize(context, myKey(key).tokenHandle(), inputSize, encrypt, result);
 460         DONE
 461 }
 462
 463
 464 //
 465 // (Re-)Authenticate the database.
 466 // We use dbAuthenticate as the catch-all "do something about authentication" call.
 467 //
 468 void TokenDatabase::authenticate(CSSM_DB_ACCESS_TYPE mode, const AccessCredentials *cred)
 469 {
 470         if (mode != CSSM_DB_ACCESS_RESET && cred) {
 471                 int pin;
 472                 if (sscanf(cred->EntryTag, "PIN%d", &pin) == 1)
 473                         return validate(CSSM_ACL_AUTHORIZATION_PREAUTH(pin), cred);
 474         }
 475
 476         Access access(token());
 477         access().authenticate(mode, cred);
 478         switch (mode) {
 479         case CSSM_DB_ACCESS_RESET:
 480                 // this mode is known to trigger "lockdown" (i.e. reset)
 481                 common().resetAcls();
 482                 break;
 483         default:
 484         {
 485                 // no idea what that did to the token;
 486                 // But let's remember the new creds for our own sake.
 487                 AccessCredentials *newCred = copy(cred, Allocator::standard());
 488                 Allocator::standard().free(mOpenCreds);
 489                 mOpenCreds = newCred;
 490                 break;
 491         }
 492         }
 493 }
 494
 495
 496 //
 497 // Data access interface.
 498 //
 499 // Note that the attribute vectors are passed between our two IPC interfaces
 500 // as relocated but contiguous memory blocks (to avoid an extra copy). This means
 501 // you can read them at will, but can't change them in transit unless you're
 502 // willing to repack them right here.
 503 //
 504 void TokenDatabase::findFirst(const CssmQuery &query,
 505                 CssmDbRecordAttributeData *inAttributes, mach_msg_type_number_t inAttributesLength,
 506                 CssmData *data, RefPointer<Key> &key,
 507                 RefPointer<Database::Search> &rSearch, RefPointer<Database::Record> &rRecord,
 508                 CssmDbRecordAttributeData * &outAttributes, mach_msg_type_number_t &outAttributesLength)
 509 {
 510         Access access(token());
 511         RefPointer<Search> search = new Search(*this);
 512         RefPointer<Record> record = new Record(*this);
 513         TRY
 514         KeyHandle hKey = noKey;
 515     validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 516         GUARD
 517         record->tokenHandle() = access().Tokend::ClientSession::findFirst(query,
 518                 inAttributes, inAttributesLength, search->tokenHandle(), NULL, hKey,
 519                 outAttributes, outAttributesLength);
 520         if (!record->tokenHandle()) {   // no match (but no other error)
 521                 rRecord = NULL;                         // return null record
 522                 return;
 523         }
 524         if (data) {
 525                 if (!hKey)
 526                         record->validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 527                 CssmDbRecordAttributeData *noAttributes;
 528                 mach_msg_type_number_t noAttributesLength;
 529                 access().Tokend::ClientSession::findRecordHandle(record->tokenHandle(),
 530                         NULL, 0, data, hKey, noAttributes, noAttributesLength);
 531                 if (hKey) {             // tokend returned a key reference & data
 532                         CssmKey &keyForm = *data->interpretedAs<CssmKey>(CSSMERR_CSP_INVALID_KEY);
 533                         key = new TokenKey(*this, hKey, keyForm.header());
 534                 }
 535         }
 536         rSearch = search->commit();
 537         rRecord = record->commit();
 538         DONE
 539 }
 540
 541 void TokenDatabase::findNext(Database::Search *rSearch,
 542         CssmDbRecordAttributeData *inAttributes, mach_msg_type_number_t inAttributesLength,
 543         CssmData *data, RefPointer<Key> &key, RefPointer<Database::Record> &rRecord,
 544         CssmDbRecordAttributeData * &outAttributes, mach_msg_type_number_t &outAttributesLength)
 545 {
 546         Access access(token());
 547         RefPointer<Record> record = new Record(*this);
 548         Search *search = safe_cast<Search *>(rSearch);
 549         TRY
 550         KeyHandle hKey = noKey;
 551         validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 552         GUARD
 553         record->tokenHandle() = access().Tokend::ClientSession::findNext(
 554                 search->tokenHandle(), inAttributes, inAttributesLength,
 555                 NULL, hKey, outAttributes, outAttributesLength);
 556         if (!record->tokenHandle()) {   // no more matches
 557                 releaseSearch(*search);         // release search handle (consumed by EOD)
 558                 rRecord = NULL;                         // return null record
 559                 return;
 560         }
 561         if (data) {
 562                 if (!hKey)
 563                         record->validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 564                 CssmDbRecordAttributeData *noAttributes;
 565                 mach_msg_type_number_t noAttributesLength;
 566                 access().Tokend::ClientSession::findRecordHandle(record->tokenHandle(),
 567                         NULL, 0, data, hKey, noAttributes, noAttributesLength);
 568                 if (hKey) {             // tokend returned a key reference & data
 569                         CssmKey &keyForm = *data->interpretedAs<CssmKey>(CSSMERR_CSP_INVALID_KEY);
 570                         key = new TokenKey(*this, hKey, keyForm.header());
 571                 }
 572         }
 573         rRecord = record->commit();
 574         DONE
 575 }
 576
 577 void TokenDatabase::findRecordHandle(Database::Record *rRecord,
 578         CssmDbRecordAttributeData *inAttributes, mach_msg_type_number_t inAttributesLength,
 579         CssmData *data, RefPointer<Key> &key,
 580         CssmDbRecordAttributeData * &outAttributes, mach_msg_type_number_t &outAttributesLength)
 581 {
 582         Access access(token());
 583         Record *record = safe_cast<Record *>(rRecord);
 584         access.add(*record);
 585         TRY
 586         KeyHandle hKey = noKey;
 587     validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 588     if (data)
 589         record->validate(CSSM_ACL_AUTHORIZATION_DB_READ, openCreds());
 590         GUARD
 591         access().Tokend::ClientSession::findRecordHandle(record->tokenHandle(),
 592                 inAttributes, inAttributesLength, data, hKey, outAttributes, outAttributesLength);
 593         rRecord = record;
 594         if (hKey != noKey && data) {            // tokend returned a key reference & data
 595                 CssmKey &keyForm = *data->interpretedAs<CssmKey>(CSSMERR_CSP_INVALID_KEY);
 596                 key = new TokenKey(*this, hKey, keyForm.header());
 597         }
 598         DONE
 599 }
 600
 601 void TokenDatabase::insertRecord(CSSM_DB_RECORDTYPE recordType,
 602         const CssmDbRecordAttributeData *attributes, mach_msg_type_number_t attributesLength,
 603         const CssmData &data, RefPointer<Database::Record> &rRecord)
 604 {
 605         Access access(token());
 606         RefPointer<Record> record = new Record(*this);
 607         access.add(*record);
 608         TRY
 609         validate(CSSM_ACL_AUTHORIZATION_DB_INSERT, openCreds());
 610         GUARD
 611         access().Tokend::ClientSession::insertRecord(recordType,
 612                 attributes, attributesLength, data, record->tokenHandle());
 613         rRecord = record;
 614         DONE
 615 }
 616
 617 void TokenDatabase::modifyRecord(CSSM_DB_RECORDTYPE recordType, Record *rRecord,
 618         const CssmDbRecordAttributeData *attributes, mach_msg_type_number_t attributesLength,
 619         const CssmData *data, CSSM_DB_MODIFY_MODE modifyMode)
 620 {
 621         Access access(token());
 622         Record *record = safe_cast<Record *>(rRecord);
 623         access.add(*record);
 624         TRY
 625         validate(CSSM_ACL_AUTHORIZATION_DB_MODIFY, openCreds());
 626         record->validate(CSSM_ACL_AUTHORIZATION_DB_MODIFY, openCreds());
 627         GUARD
 628         access().Tokend::ClientSession::modifyRecord(recordType,
 629                 record->tokenHandle(), attributes, attributesLength, data, modifyMode);
 630         DONE
 631 }
 632
 633 void TokenDatabase::deleteRecord(Database::Record *rRecord)
 634 {
 635         Access access(token(), *this);
 636         Record *record = safe_cast<Record *>(rRecord);
 637         access.add(*record);
 638         TRY
 639         validate(CSSM_ACL_AUTHORIZATION_DB_DELETE, openCreds());
 640         record->validate(CSSM_ACL_AUTHORIZATION_DB_DELETE, openCreds());
 641         GUARD
 642         access().Tokend::ClientSession::deleteRecord(record->tokenHandle());
 643         DONE
 644 }
 645
 646
 647 //
 648 // Record/Search object handling
 649 //
 650 TokenDatabase::Search::~Search()
 651 {
 652         if (mHandle)
 653                 try {
 654                         database().token().tokend().Tokend::ClientSession::releaseSearch(mHandle);
 655                 } catch (...) {
 656                         secdebug("tokendb", "%p release search handle %ld threw (ignored)",
 657                                 this, mHandle);
 658                 }
 659 }
 660
 661 TokenDatabase::Record::~Record()
 662 {
 663         if (mHandle)
 664                 try {
 665                         database().token().tokend().Tokend::ClientSession::releaseRecord(mHandle);
 666                 } catch (...) {
 667                         secdebug("tokendb", "%p release record handle %ld threw (ignored)",
 668                                 this, mHandle);
 669                 }
 670 }
 671
 672
 673 //
 674 // TokenAcl personality of Record
 675 //
 676 AclKind TokenDatabase::Record::aclKind() const
 677 {
 678         return objectAcl;
 679 }
 680
 681 Token &TokenDatabase::Record::token()
 682 {
 683         return safer_cast<TokenDatabase &>(database()).token();
 684 }
 685
 686 GenericHandle TokenDatabase::Record::tokenHandle() const
 687 {
 688         return Handler::tokenHandle();
 689 }
 690
 691
 692 //
 693 // Local utility classes
 694 //
 695 void TokenDatabase::InputKey::setup(Key *key)
 696 {
 697         if (TokenKey *myKey = dynamic_cast<TokenKey *>(key)) {
 698                 // one of ours
 699                 mKeyHandle = myKey->tokenHandle();
 700                 mKeyPtr = NULL;
 701         } else if (LocalKey *hisKey = dynamic_cast<LocalKey *>(key)) {
 702                 // a local key - turn into raw form
 703                 CssmClient::WrapKey wrap(Server::csp(), CSSM_ALGID_NONE);
 704                 wrap(hisKey->cssmKey(), mKey);
 705                 mKeyHandle = noKey;
 706                 mKeyPtr = &mKey;
 707         } else {
 708                 // no key at all
 709                 mKeyHandle = noKey;
 710                 mKeyPtr = NULL;
 711         }
 712 }
 713
 714
 715 TokenDatabase::InputKey::~InputKey()
 716 {
 717         if (mKeyPtr) {
 718                 //@@@ Server::csp().freeKey(mKey) ??
 719                 Server::csp()->allocator().free(mKey.keyData());
 720         }
 721 }