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comparison nss/lib/softoken/legacydb/lgfind.c @ 3:150b72113545

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Add DBM and legacydb support
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:32:02 +0200
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2:a945361df361 3:150b72113545
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4 #include "secitem.h"
5 #include "pkcs11.h"
6 #include "lgdb.h"
7 #include "lowkeyi.h"
8 #include "pcert.h"
9 #include "blapi.h"
10
11 #include "keydbi.h"
12
13 /*
14 * This code maps PKCS #11 Finds to legacy database searches. This code
15 * was orginally in pkcs11.c in previous versions of NSS.
16 */
17
18 struct SDBFindStr {
19 CK_OBJECT_HANDLE *handles;
20 int size;
21 int index;
22 int array_size;
23 };
24
25
26 /*
27 * free a search structure
28 */
29 void
30 lg_FreeSearch(SDBFind *search)
31 {
32 if (search->handles) {
33 PORT_Free(search->handles);
34 }
35 PORT_Free(search);
36 }
37
38 void
39 lg_addHandle(SDBFind *search, CK_OBJECT_HANDLE handle)
40 {
41 if (search->handles == NULL) {
42 return;
43 }
44 if (search->size >= search->array_size) {
45 search->array_size += LG_SEARCH_BLOCK_SIZE;
46 search->handles = (CK_OBJECT_HANDLE *) PORT_Realloc(search->handles,
47 sizeof(CK_OBJECT_HANDLE)* search->array_size);
48 if (search->handles == NULL) {
49 return;
50 }
51 }
52 search->handles[search->size] = handle;
53 search->size++;
54 }
55
56 /*
57 * find any certs that may match the template and load them.
58 */
59 #define LG_CERT 0x00000001
60 #define LG_TRUST 0x00000002
61 #define LG_CRL 0x00000004
62 #define LG_SMIME 0x00000008
63 #define LG_PRIVATE 0x00000010
64 #define LG_PUBLIC 0x00000020
65 #define LG_KEY 0x00000040
66
67 /*
68 * structure to collect key handles.
69 */
70 typedef struct lgEntryDataStr {
71 SDB *sdb;
72 SDBFind *searchHandles;
73 const CK_ATTRIBUTE *template;
74 CK_ULONG templ_count;
75 } lgEntryData;
76
77
78 static SECStatus
79 lg_crl_collect(SECItem *data, SECItem *key, certDBEntryType type, void *arg)
80 {
81 lgEntryData *crlData;
82 CK_OBJECT_HANDLE class_handle;
83 SDB *sdb;
84
85 crlData = (lgEntryData *)arg;
86 sdb = crlData->sdb;
87
88 class_handle = (type == certDBEntryTypeRevocation) ? LG_TOKEN_TYPE_CRL :
89 LG_TOKEN_KRL_HANDLE;
90 if (lg_tokenMatch(sdb, key, class_handle,
91 crlData->template, crlData->templ_count)) {
92 lg_addHandle(crlData->searchHandles,
93 lg_mkHandle(sdb,key,class_handle));
94 }
95 return(SECSuccess);
96 }
97
98 static void
99 lg_searchCrls(SDB *sdb, SECItem *derSubject, PRBool isKrl,
100 unsigned long classFlags, SDBFind *search,
101 const CK_ATTRIBUTE *pTemplate, CK_ULONG ulCount)
102 {
103 NSSLOWCERTCertDBHandle *certHandle = NULL;
104
105 certHandle = lg_getCertDB(sdb);
106 if (certHandle == NULL) {
107 return;
108 }
109 if (derSubject->data != NULL) {
110 certDBEntryRevocation *crl =
111 nsslowcert_FindCrlByKey(certHandle, derSubject, isKrl);
112
113 if (crl != NULL) {
114 lg_addHandle(search, lg_mkHandle(sdb, derSubject,
115 isKrl ? LG_TOKEN_KRL_HANDLE : LG_TOKEN_TYPE_CRL));
116 nsslowcert_DestroyDBEntry((certDBEntry *)crl);
117 }
118 } else {
119 lgEntryData crlData;
120
121 /* traverse */
122 crlData.sdb = sdb;
123 crlData.searchHandles = search;
124 crlData.template = pTemplate;
125 crlData.templ_count = ulCount;
126 nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeRevocation,
127 lg_crl_collect, (void *)&crlData);
128 nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeKeyRevocation,
129 lg_crl_collect, (void *)&crlData);
130 }
131 }
132
133 /*
134 * structure to collect key handles.
135 */
136 typedef struct lgKeyDataStr {
137 SDB *sdb;
138 NSSLOWKEYDBHandle *keyHandle;
139 SDBFind *searchHandles;
140 SECItem *id;
141 const CK_ATTRIBUTE *template;
142 CK_ULONG templ_count;
143 unsigned long classFlags;
144 PRBool strict;
145 } lgKeyData;
146
147 static PRBool
148 isSecretKey(NSSLOWKEYPrivateKey *privKey)
149 {
150 if (privKey->keyType == NSSLOWKEYRSAKey &&
151 privKey->u.rsa.publicExponent.len == 1 &&
152 privKey->u.rsa.publicExponent.data[0] == 0)
153 return PR_TRUE;
154
155 return PR_FALSE;
156 }
157
158
159
160 static SECStatus
161 lg_key_collect(DBT *key, DBT *data, void *arg)
162 {
163 lgKeyData *keyData;
164 NSSLOWKEYPrivateKey *privKey = NULL;
165 SECItem tmpDBKey;
166 SDB *sdb;
167 unsigned long classFlags;
168
169 keyData = (lgKeyData *)arg;
170 sdb = keyData->sdb;
171 classFlags = keyData->classFlags;
172
173 tmpDBKey.data = key->data;
174 tmpDBKey.len = key->size;
175 tmpDBKey.type = siBuffer;
176
177 PORT_Assert(keyData->keyHandle);
178 if (!keyData->strict && keyData->id && keyData->id->data) {
179 SECItem result;
180 PRBool haveMatch= PR_FALSE;
181 unsigned char hashKey[SHA1_LENGTH];
182 result.data = hashKey;
183 result.len = sizeof(hashKey);
184
185 if (keyData->id->len == 0) {
186 /* Make sure this isn't a LG_KEY */
187 privKey = nsslowkey_FindKeyByPublicKey(keyData->keyHandle,
188 &tmpDBKey, keyData->sdb/*->password*/);
189 if (privKey) {
190 /* turn off the unneeded class flags */
191 classFlags &= isSecretKey(privKey) ? ~(LG_PRIVATE|LG_PUBLIC) :
192 ~LG_KEY;
193 haveMatch = (PRBool)
194 ((classFlags & (LG_KEY|LG_PRIVATE|LG_PUBLIC)) != 0);
195 lg_nsslowkey_DestroyPrivateKey(privKey);
196 }
197 } else {
198 SHA1_HashBuf( hashKey, key->data, key->size ); /* match id */
199 haveMatch = SECITEM_ItemsAreEqual(keyData->id,&result);
200 if (!haveMatch && ((unsigned char *)key->data)[0] == 0) {
201 /* This is a fix for backwards compatibility. The key
202 * database indexes private keys by the public key, and
203 * versions of NSS prior to 3.4 stored the public key as
204 * a signed integer. The public key is now treated as an
205 * unsigned integer, with no leading zero. In order to
206 * correctly compute the hash of an old key, it is necessary
207 * to fallback and detect the leading zero.
208 */
209 SHA1_HashBuf(hashKey,
210 (unsigned char *)key->data + 1, key->size - 1);
211 haveMatch = SECITEM_ItemsAreEqual(keyData->id,&result);
212 }
213 }
214 if (haveMatch) {
215 if (classFlags & LG_PRIVATE) {
216 lg_addHandle(keyData->searchHandles,
217 lg_mkHandle(sdb,&tmpDBKey,LG_TOKEN_TYPE_PRIV));
218 }
219 if (classFlags & LG_PUBLIC) {
220 lg_addHandle(keyData->searchHandles,
221 lg_mkHandle(sdb,&tmpDBKey,LG_TOKEN_TYPE_PUB));
222 }
223 if (classFlags & LG_KEY) {
224 lg_addHandle(keyData->searchHandles,
225 lg_mkHandle(sdb,&tmpDBKey,LG_TOKEN_TYPE_KEY));
226 }
227 }
228 return SECSuccess;
229 }
230
231 privKey = nsslowkey_FindKeyByPublicKey(keyData->keyHandle, &tmpDBKey,
232 keyData->sdb/*->password*/);
233 if ( privKey == NULL ) {
234 goto loser;
235 }
236
237 if (isSecretKey(privKey)) {
238 if ((classFlags & LG_KEY) &&
239 lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_KEY,
240 keyData->template, keyData->templ_count)) {
241 lg_addHandle(keyData->searchHandles,
242 lg_mkHandle(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_KEY));
243 }
244 } else {
245 if ((classFlags & LG_PRIVATE) &&
246 lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PRIV,
247 keyData->template, keyData->templ_count)) {
248 lg_addHandle(keyData->searchHandles,
249 lg_mkHandle(keyData->sdb,&tmpDBKey,LG_TOKEN_TYPE_PRIV));
250 }
251 if ((classFlags & LG_PUBLIC) &&
252 lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PUB,
253 keyData->template, keyData->templ_count)) {
254 lg_addHandle(keyData->searchHandles,
255 lg_mkHandle(keyData->sdb, &tmpDBKey,LG_TOKEN_TYPE_PUB));
256 }
257 }
258
259 loser:
260 if ( privKey ) {
261 lg_nsslowkey_DestroyPrivateKey(privKey);
262 }
263 return(SECSuccess);
264 }
265
266 static void
267 lg_searchKeys(SDB *sdb, SECItem *key_id,
268 unsigned long classFlags, SDBFind *search, PRBool mustStrict,
269 const CK_ATTRIBUTE *pTemplate, CK_ULONG ulCount)
270 {
271 NSSLOWKEYDBHandle *keyHandle = NULL;
272 NSSLOWKEYPrivateKey *privKey;
273 lgKeyData keyData;
274 PRBool found = PR_FALSE;
275
276 keyHandle = lg_getKeyDB(sdb);
277 if (keyHandle == NULL) {
278 return;
279 }
280
281 if (key_id->data) {
282 privKey = nsslowkey_FindKeyByPublicKey(keyHandle, key_id, sdb);
283 if (privKey) {
284 if ((classFlags & LG_KEY) && isSecretKey(privKey)) {
285 lg_addHandle(search,
286 lg_mkHandle(sdb,key_id,LG_TOKEN_TYPE_KEY));
287 found = PR_TRUE;
288 }
289 if ((classFlags & LG_PRIVATE) && !isSecretKey(privKey)) {
290 lg_addHandle(search,
291 lg_mkHandle(sdb,key_id,LG_TOKEN_TYPE_PRIV));
292 found = PR_TRUE;
293 }
294 if ((classFlags & LG_PUBLIC) && !isSecretKey(privKey)) {
295 lg_addHandle(search,
296 lg_mkHandle(sdb,key_id,LG_TOKEN_TYPE_PUB));
297 found = PR_TRUE;
298 }
299 lg_nsslowkey_DestroyPrivateKey(privKey);
300 }
301 /* don't do the traversal if we have an up to date db */
302 if (keyHandle->version != 3) {
303 goto loser;
304 }
305 /* don't do the traversal if it can't possibly be the correct id */
306 /* all soft token id's are SHA1_HASH_LEN's */
307 if (key_id->len != SHA1_LENGTH) {
308 goto loser;
309 }
310 if (found) {
311 /* if we already found some keys, don't do the traversal */
312 goto loser;
313 }
314 }
315 keyData.sdb = sdb;
316 keyData.keyHandle = keyHandle;
317 keyData.searchHandles = search;
318 keyData.id = key_id;
319 keyData.template = pTemplate;
320 keyData.templ_count = ulCount;
321 keyData.classFlags = classFlags;
322 keyData.strict = mustStrict ? mustStrict : LG_STRICT;
323
324 nsslowkey_TraverseKeys(keyHandle, lg_key_collect, &keyData);
325
326 loser:
327 return;
328 }
329
330 /*
331 * structure to collect certs into
332 */
333 typedef struct lgCertDataStr {
334 SDB *sdb;
335 int cert_count;
336 int max_cert_count;
337 NSSLOWCERTCertificate **certs;
338 const CK_ATTRIBUTE *template;
339 CK_ULONG templ_count;
340 unsigned long classFlags;
341 PRBool strict;
342 } lgCertData;
343
344 /*
345 * collect all the certs from the traverse call.
346 */
347 static SECStatus
348 lg_cert_collect(NSSLOWCERTCertificate *cert,void *arg)
349 {
350 lgCertData *cd = (lgCertData *)arg;
351
352 if (cert == NULL) {
353 return SECSuccess;
354 }
355
356 if (cd->certs == NULL) {
357 return SECFailure;
358 }
359
360 if (cd->strict) {
361 if ((cd->classFlags & LG_CERT) && !lg_tokenMatch(cd->sdb,
362 &cert->certKey, LG_TOKEN_TYPE_CERT, cd->template,cd->templ_count)) {
363 return SECSuccess;
364 }
365 if ((cd->classFlags & LG_TRUST) && !lg_tokenMatch(cd->sdb,
366 &cert->certKey, LG_TOKEN_TYPE_TRUST,
367 cd->template, cd->templ_count)) {
368 return SECSuccess;
369 }
370 }
371
372 /* allocate more space if we need it. This should only happen in
373 * the general traversal case */
374 if (cd->cert_count >= cd->max_cert_count) {
375 int size;
376 cd->max_cert_count += LG_SEARCH_BLOCK_SIZE;
377 size = cd->max_cert_count * sizeof (NSSLOWCERTCertificate *);
378 cd->certs = (NSSLOWCERTCertificate **)PORT_Realloc(cd->certs,size);
379 if (cd->certs == NULL) {
380 return SECFailure;
381 }
382 }
383
384 cd->certs[cd->cert_count++] = nsslowcert_DupCertificate(cert);
385 return SECSuccess;
386 }
387
388 /* provide impedence matching ... */
389 static SECStatus
390 lg_cert_collect2(NSSLOWCERTCertificate *cert, SECItem *dymmy, void *arg)
391 {
392 return lg_cert_collect(cert, arg);
393 }
394
395 static void
396 lg_searchSingleCert(lgCertData *certData,NSSLOWCERTCertificate *cert)
397 {
398 if (cert == NULL) {
399 return;
400 }
401 if (certData->strict &&
402 !lg_tokenMatch(certData->sdb, &cert->certKey, LG_TOKEN_TYPE_CERT,
403 certData->template,certData->templ_count)) {
404 nsslowcert_DestroyCertificate(cert);
405 return;
406 }
407 certData->certs = (NSSLOWCERTCertificate **)
408 PORT_Alloc(sizeof (NSSLOWCERTCertificate *));
409 if (certData->certs == NULL) {
410 nsslowcert_DestroyCertificate(cert);
411 return;
412 }
413 certData->certs[0] = cert;
414 certData->cert_count = 1;
415 }
416
417 static void
418 lg_CertSetupData(lgCertData *certData,int count)
419 {
420 certData->max_cert_count = count;
421
422 if (certData->max_cert_count <= 0) {
423 return;
424 }
425 certData->certs = (NSSLOWCERTCertificate **)
426 PORT_Alloc( count * sizeof(NSSLOWCERTCertificate *));
427 return;
428 }
429
430 static void
431 lg_searchCertsAndTrust(SDB *sdb, SECItem *derCert, SECItem *name,
432 SECItem *derSubject, NSSLOWCERTIssuerAndSN *issuerSN,
433 SECItem *email,
434 unsigned long classFlags, SDBFind *handles,
435 const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount)
436 {
437 NSSLOWCERTCertDBHandle *certHandle = NULL;
438 lgCertData certData;
439 int i;
440
441 certHandle = lg_getCertDB(sdb);
442 if (certHandle == NULL) return;
443
444 certData.sdb = sdb;
445 certData.max_cert_count = 0;
446 certData.certs = NULL;
447 certData.cert_count = 0;
448 certData.template = pTemplate;
449 certData.templ_count = ulCount;
450 certData.classFlags = classFlags;
451 certData.strict = LG_STRICT;
452
453
454 /*
455 * Find the Cert.
456 */
457 if (derCert->data != NULL) {
458 NSSLOWCERTCertificate *cert =
459 nsslowcert_FindCertByDERCert(certHandle,derCert);
460 lg_searchSingleCert(&certData,cert);
461 } else if (name->data != NULL) {
462 char *tmp_name = (char*)PORT_Alloc(name->len+1);
463 int count;
464
465 if (tmp_name == NULL) {
466 return;
467 }
468 PORT_Memcpy(tmp_name,name->data,name->len);
469 tmp_name[name->len] = 0;
470
471 count= nsslowcert_NumPermCertsForNickname(certHandle,tmp_name);
472 lg_CertSetupData(&certData,count);
473 nsslowcert_TraversePermCertsForNickname(certHandle,tmp_name,
474 lg_cert_collect, &certData);
475 PORT_Free(tmp_name);
476 } else if (derSubject->data != NULL) {
477 int count;
478
479 count = nsslowcert_NumPermCertsForSubject(certHandle,derSubject);
480 lg_CertSetupData(&certData,count);
481 nsslowcert_TraversePermCertsForSubject(certHandle,derSubject,
482 lg_cert_collect, &certData);
483 } else if ((issuerSN->derIssuer.data != NULL) &&
484 (issuerSN->serialNumber.data != NULL)) {
485 if (classFlags & LG_CERT) {
486 NSSLOWCERTCertificate *cert =
487 nsslowcert_FindCertByIssuerAndSN(certHandle,issuerSN);
488
489 lg_searchSingleCert(&certData,cert);
490 }
491 if (classFlags & LG_TRUST) {
492 NSSLOWCERTTrust *trust =
493 nsslowcert_FindTrustByIssuerAndSN(certHandle, issuerSN);
494
495 if (trust) {
496 lg_addHandle(handles,
497 lg_mkHandle(sdb,&trust->dbKey,LG_TOKEN_TYPE_TRUST));
498 nsslowcert_DestroyTrust(trust);
499 }
500 }
501 } else if (email->data != NULL) {
502 char *tmp_name = (char*)PORT_Alloc(email->len+1);
503 certDBEntrySMime *entry = NULL;
504
505 if (tmp_name == NULL) {
506 return;
507 }
508 PORT_Memcpy(tmp_name,email->data,email->len);
509 tmp_name[email->len] = 0;
510
511 entry = nsslowcert_ReadDBSMimeEntry(certHandle,tmp_name);
512 if (entry) {
513 int count;
514 SECItem *subjectName = &entry->subjectName;
515
516 count = nsslowcert_NumPermCertsForSubject(certHandle, subjectName);
517 lg_CertSetupData(&certData,count);
518 nsslowcert_TraversePermCertsForSubject(certHandle, subjectName,
519 lg_cert_collect, &certData);
520
521 nsslowcert_DestroyDBEntry((certDBEntry *)entry);
522 }
523 PORT_Free(tmp_name);
524 } else {
525 /* we aren't filtering the certs, we are working on all, so turn
526 * on the strict filters. */
527 certData.strict = PR_TRUE;
528 lg_CertSetupData(&certData,LG_SEARCH_BLOCK_SIZE);
529 nsslowcert_TraversePermCerts(certHandle, lg_cert_collect2, &certData);
530 }
531
532 /*
533 * build the handles
534 */
535 for (i=0 ; i < certData.cert_count ; i++) {
536 NSSLOWCERTCertificate *cert = certData.certs[i];
537
538 /* if we filtered it would have been on the stuff above */
539 if (classFlags & LG_CERT) {
540 lg_addHandle(handles,
541 lg_mkHandle(sdb,&cert->certKey,LG_TOKEN_TYPE_CERT));
542 }
543 if ((classFlags & LG_TRUST) && nsslowcert_hasTrust(cert->trust)) {
544 lg_addHandle(handles,
545 lg_mkHandle(sdb,&cert->certKey,LG_TOKEN_TYPE_TRUST));
546 }
547 nsslowcert_DestroyCertificate(cert);
548 }
549
550 if (certData.certs) PORT_Free(certData.certs);
551 return;
552 }
553
554 static SECStatus
555 lg_smime_collect(SECItem *data, SECItem *key, certDBEntryType type, void *arg)
556 {
557 lgEntryData *smimeData;
558 SDB *sdb;
559
560 smimeData = (lgEntryData *)arg;
561 sdb = smimeData->sdb;
562
563 if (lg_tokenMatch(sdb, key, LG_TOKEN_TYPE_SMIME,
564 smimeData->template, smimeData->templ_count)) {
565 lg_addHandle(smimeData->searchHandles,
566 lg_mkHandle(sdb,key,LG_TOKEN_TYPE_SMIME));
567 }
568 return(SECSuccess);
569 }
570
571 static void
572 lg_searchSMime(SDB *sdb, SECItem *email, SDBFind *handles,
573 const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount)
574 {
575 NSSLOWCERTCertDBHandle *certHandle = NULL;
576 certDBEntrySMime *entry;
577
578 certHandle = lg_getCertDB(sdb);
579 if (certHandle == NULL) return;
580
581 if (email->data != NULL) {
582 char *tmp_name = (char*)PORT_Alloc(email->len+1);
583
584 if (tmp_name == NULL) {
585 return;
586 }
587 PORT_Memcpy(tmp_name,email->data,email->len);
588 tmp_name[email->len] = 0;
589
590 entry = nsslowcert_ReadDBSMimeEntry(certHandle,tmp_name);
591 if (entry) {
592 SECItem emailKey;
593
594 emailKey.data = (unsigned char *)tmp_name;
595 emailKey.len = PORT_Strlen(tmp_name)+1;
596 emailKey.type = 0;
597 lg_addHandle(handles,
598 lg_mkHandle(sdb,&emailKey,LG_TOKEN_TYPE_SMIME));
599 nsslowcert_DestroyDBEntry((certDBEntry *)entry);
600 }
601 PORT_Free(tmp_name);
602 } else {
603 /* traverse */
604 lgEntryData smimeData;
605
606 /* traverse */
607 smimeData.sdb = sdb;
608 smimeData.searchHandles = handles;
609 smimeData.template = pTemplate;
610 smimeData.templ_count = ulCount;
611 nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeSMimeProfile,
612 lg_smime_collect, (void *)&smimeData);
613 }
614 return;
615 }
616
617 static CK_RV
618 lg_searchTokenList(SDB *sdb, SDBFind *search,
619 const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount)
620 {
621 int i;
622 PRBool isKrl = PR_FALSE;
623 SECItem derCert = { siBuffer, NULL, 0 };
624 SECItem derSubject = { siBuffer, NULL, 0 };
625 SECItem name = { siBuffer, NULL, 0 };
626 SECItem email = { siBuffer, NULL, 0 };
627 SECItem key_id = { siBuffer, NULL, 0 };
628 SECItem cert_sha1_hash = { siBuffer, NULL, 0 };
629 SECItem cert_md5_hash = { siBuffer, NULL, 0 };
630 NSSLOWCERTIssuerAndSN issuerSN = {
631 { siBuffer, NULL, 0 },
632 { siBuffer, NULL, 0 }
633 };
634 SECItem *copy = NULL;
635 CK_CERTIFICATE_TYPE certType;
636 CK_OBJECT_CLASS objectClass;
637 CK_RV crv;
638 unsigned long classFlags;
639
640 if (lg_getCertDB(sdb) == NULL) {
641 classFlags = LG_PRIVATE|LG_KEY;
642 } else {
643 classFlags = LG_CERT|LG_TRUST|LG_PUBLIC|LG_SMIME|LG_CRL;
644 }
645
646 /*
647 * look for things to search on token objects for. If the right options
648 * are specified, we can use them as direct indeces into the database
649 * (rather than using linear searches. We can also use the attributes to
650 * limit the kinds of objects we are searching for. Later we can use this
651 * array to filter the remaining objects more finely.
652 */
653 for (i=0 ;classFlags && i < (int)ulCount; i++) {
654
655 switch (pTemplate[i].type) {
656 case CKA_SUBJECT:
657 copy = &derSubject;
658 classFlags &= (LG_CERT|LG_PRIVATE|LG_PUBLIC|LG_SMIME|LG_CRL);
659 break;
660 case CKA_ISSUER:
661 copy = &issuerSN.derIssuer;
662 classFlags &= (LG_CERT|LG_TRUST);
663 break;
664 case CKA_SERIAL_NUMBER:
665 copy = &issuerSN.serialNumber;
666 classFlags &= (LG_CERT|LG_TRUST);
667 break;
668 case CKA_VALUE:
669 copy = &derCert;
670 classFlags &= (LG_CERT|LG_CRL|LG_SMIME);
671 break;
672 case CKA_LABEL:
673 copy = &name;
674 break;
675 case CKA_NETSCAPE_EMAIL:
676 copy = &email;
677 classFlags &= LG_SMIME|LG_CERT;
678 break;
679 case CKA_NETSCAPE_SMIME_TIMESTAMP:
680 classFlags &= LG_SMIME;
681 break;
682 case CKA_CLASS:
683 crv = lg_GetULongAttribute(CKA_CLASS,&pTemplate[i],1, &objectClass);
684 if (crv != CKR_OK) {
685 classFlags = 0;
686 break;
687 }
688 switch (objectClass) {
689 case CKO_CERTIFICATE:
690 classFlags &= LG_CERT;
691 break;
692 case CKO_NETSCAPE_TRUST:
693 classFlags &= LG_TRUST;
694 break;
695 case CKO_NETSCAPE_CRL:
696 classFlags &= LG_CRL;
697 break;
698 case CKO_NETSCAPE_SMIME:
699 classFlags &= LG_SMIME;
700 break;
701 case CKO_PRIVATE_KEY:
702 classFlags &= LG_PRIVATE;
703 break;
704 case CKO_PUBLIC_KEY:
705 classFlags &= LG_PUBLIC;
706 break;
707 case CKO_SECRET_KEY:
708 classFlags &= LG_KEY;
709 break;
710 default:
711 classFlags = 0;
712 break;
713 }
714 break;
715 case CKA_PRIVATE:
716 if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) {
717 classFlags = 0;
718 break;
719 }
720 if (*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE) {
721 classFlags &= (LG_PRIVATE|LG_KEY);
722 } else {
723 classFlags &= ~(LG_PRIVATE|LG_KEY);
724 }
725 break;
726 case CKA_SENSITIVE:
727 if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) {
728 classFlags = 0;
729 break;
730 }
731 if (*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE) {
732 classFlags &= (LG_PRIVATE|LG_KEY);
733 } else {
734 classFlags = 0;
735 }
736 break;
737 case CKA_TOKEN:
738 if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) {
739 classFlags = 0;
740 break;
741 }
742 if (*((CK_BBOOL *)pTemplate[i].pValue) != CK_TRUE) {
743 classFlags = 0;
744 }
745 break;
746 case CKA_CERT_SHA1_HASH:
747 classFlags &= LG_TRUST;
748 copy = &cert_sha1_hash; break;
749 case CKA_CERT_MD5_HASH:
750 classFlags &= LG_TRUST;
751 copy = &cert_md5_hash; break;
752 case CKA_CERTIFICATE_TYPE:
753 crv = lg_GetULongAttribute(CKA_CERTIFICATE_TYPE,&pTemplate[i],
754 1,&certType);
755 if (crv != CKR_OK) {
756 classFlags = 0;
757 break;
758 }
759 classFlags &= LG_CERT;
760 if (certType != CKC_X_509) {
761 classFlags = 0;
762 }
763 break;
764 case CKA_ID:
765 copy = &key_id;
766 classFlags &= (LG_CERT|LG_PRIVATE|LG_KEY|LG_PUBLIC);
767 break;
768 case CKA_NETSCAPE_KRL:
769 if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) {
770 classFlags = 0;
771 break;
772 }
773 classFlags &= LG_CRL;
774 isKrl = (PRBool)(*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE);
775 break;
776 case CKA_MODIFIABLE:
777 break;
778 case CKA_KEY_TYPE:
779 case CKA_DERIVE:
780 classFlags &= LG_PUBLIC|LG_PRIVATE|LG_KEY;
781 break;
782 case CKA_VERIFY_RECOVER:
783 classFlags &= LG_PUBLIC;
784 break;
785 case CKA_SIGN_RECOVER:
786 classFlags &= LG_PRIVATE;
787 break;
788 case CKA_ENCRYPT:
789 case CKA_VERIFY:
790 case CKA_WRAP:
791 classFlags &= LG_PUBLIC|LG_KEY;
792 break;
793 case CKA_DECRYPT:
794 case CKA_SIGN:
795 case CKA_UNWRAP:
796 case CKA_ALWAYS_SENSITIVE:
797 case CKA_EXTRACTABLE:
798 case CKA_NEVER_EXTRACTABLE:
799 classFlags &= LG_PRIVATE|LG_KEY;
800 break;
801 /* can't be a certificate if it doesn't match one of the above
802 * attributes */
803 default:
804 classFlags = 0;
805 break;
806 }
807 if (copy) {
808 copy->data = (unsigned char*)pTemplate[i].pValue;
809 copy->len = pTemplate[i].ulValueLen;
810 }
811 copy = NULL;
812 }
813
814 /* certs */
815 if (classFlags & (LG_CERT|LG_TRUST)) {
816 lg_searchCertsAndTrust(sdb,&derCert,&name,&derSubject,
817 &issuerSN, &email,classFlags,search,
818 pTemplate, ulCount);
819 }
820
821 /* keys */
822 if (classFlags & (LG_PRIVATE|LG_PUBLIC|LG_KEY)) {
823 PRBool mustStrict = (name.len != 0);
824 lg_searchKeys(sdb, &key_id, classFlags, search,
825 mustStrict, pTemplate, ulCount);
826 }
827
828 /* crl's */
829 if (classFlags & LG_CRL) {
830 lg_searchCrls(sdb, &derSubject, isKrl, classFlags, search,
831 pTemplate, ulCount);
832 }
833 /* Add S/MIME entry stuff */
834 if (classFlags & LG_SMIME) {
835 lg_searchSMime(sdb, &email, search, pTemplate, ulCount);
836 }
837 return CKR_OK;
838 }
839
840
841 /* lg_FindObjectsInit initializes a search for token and session objects
842 * that match a template. */
843 CK_RV lg_FindObjectsInit(SDB *sdb, const CK_ATTRIBUTE *pTemplate,
844 CK_ULONG ulCount, SDBFind **retSearch)
845 {
846 SDBFind *search;
847 CK_RV crv = CKR_OK;
848
849 *retSearch = NULL;
850
851 search = (SDBFind *)PORT_Alloc(sizeof(SDBFind));
852 if (search == NULL) {
853 crv = CKR_HOST_MEMORY;
854 goto loser;
855 }
856 search->handles = (CK_OBJECT_HANDLE *)
857 PORT_Alloc(sizeof(CK_OBJECT_HANDLE) * LG_SEARCH_BLOCK_SIZE);
858 if (search->handles == NULL) {
859 crv = CKR_HOST_MEMORY;
860 goto loser;
861 }
862 search->index = 0;
863 search->size = 0;
864 search->array_size = LG_SEARCH_BLOCK_SIZE;
865 /* FIXME - do we still need to get Login state? */
866
867 crv = lg_searchTokenList(sdb, search, pTemplate, ulCount);
868 if (crv != CKR_OK) {
869 goto loser;
870 }
871
872 *retSearch = search;
873 return CKR_OK;
874
875 loser:
876 if (search) {
877 lg_FreeSearch(search);
878 }
879 return crv;
880 }
881
882
883 /* lg_FindObjects continues a search for token and session objects
884 * that match a template, obtaining additional object handles. */
885 CK_RV lg_FindObjects(SDB *sdb, SDBFind *search,
886 CK_OBJECT_HANDLE *phObject,CK_ULONG ulMaxObjectCount,
887 CK_ULONG *pulObjectCount)
888 {
889 int transfer;
890 int left;
891
892 *pulObjectCount = 0;
893 left = search->size - search->index;
894 transfer = ((int)ulMaxObjectCount > left) ? left : ulMaxObjectCount;
895 if (transfer > 0) {
896 PORT_Memcpy(phObject,&search->handles[search->index],
897 transfer*sizeof(CK_OBJECT_HANDLE));
898 } else {
899 *phObject = CK_INVALID_HANDLE;
900 }
901
902 search->index += transfer;
903 *pulObjectCount = transfer;
904 return CKR_OK;
905 }
906
907 /* lg_FindObjectsFinal finishes a search for token and session objects. */
908 CK_RV lg_FindObjectsFinal(SDB* lgdb, SDBFind *search)
909 {
910
911 if (search != NULL) {
912 lg_FreeSearch(search);
913 }
914 return CKR_OK;
915 }
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