Mercurial > trustbridge > nss-cmake-static

comparison nss/lib/softoken/legacydb/pk11db.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 /*
5 * The following code handles the storage of PKCS 11 modules used by the
6 * NSS. This file is written to abstract away how the modules are
7 * stored so we can deside that later.
8 */
9
10 #include "lgdb.h"
11 #include "mcom_db.h"
12 #include "secerr.h"
13 #include "utilpars.h"
14
15 #define FREE_CLEAR(p) if (p) { PORT_Free(p); p = NULL; }
16
17 /* Construct a database key for a given module */
18 static SECStatus lgdb_MakeKey(DBT *key, char * module) {
19 int len = 0;
20 char *commonName;
21
22 commonName = NSSUTIL_ArgGetParamValue("name",module);
23 if (commonName == NULL) {
24 commonName = NSSUTIL_ArgGetParamValue("library",module);
25 }
26 if (commonName == NULL) return SECFailure;
27 len = PORT_Strlen(commonName);
28 key->data = commonName;
29 key->size = len;
30 return SECSuccess;
31 }
32
33 /* free out constructed database key */
34 static void
35 lgdb_FreeKey(DBT *key)
36 {
37 if (key->data) {
38 PORT_Free(key->data);
39 }
40 key->data = NULL;
41 key->size = 0;
42 }
43
44 typedef struct lgdbDataStr lgdbData;
45 typedef struct lgdbSlotDataStr lgdbSlotData;
46 struct lgdbDataStr {
47 unsigned char major;
48 unsigned char minor;
49 unsigned char nameStart[2];
50 unsigned char slotOffset[2];
51 unsigned char internal;
52 unsigned char fips;
53 unsigned char ssl[8];
54 unsigned char trustOrder[4];
55 unsigned char cipherOrder[4];
56 unsigned char reserved1;
57 unsigned char isModuleDB;
58 unsigned char isModuleDBOnly;
59 unsigned char isCritical;
60 unsigned char reserved[4];
61 unsigned char names[6]; /* enough space for the length fields */
62 };
63
64 struct lgdbSlotDataStr {
65 unsigned char slotID[4];
66 unsigned char defaultFlags[4];
67 unsigned char timeout[4];
68 unsigned char askpw;
69 unsigned char hasRootCerts;
70 unsigned char reserved[18]; /* this makes it a round 32 bytes */
71 };
72
73 #define LGDB_DB_VERSION_MAJOR 0
74 #define LGDB_DB_VERSION_MINOR 6
75 #define LGDB_DB_EXT1_VERSION_MAJOR 0
76 #define LGDB_DB_EXT1_VERSION_MINOR 6
77 #define LGDB_DB_NOUI_VERSION_MAJOR 0
78 #define LGDB_DB_NOUI_VERSION_MINOR 4
79
80 #define LGDB_PUTSHORT(dest,src) \
81 (dest)[1] = (unsigned char) ((src)&0xff); \
82 (dest)[0] = (unsigned char) (((src) >> 8) & 0xff);
83 #define LGDB_PUTLONG(dest,src) \
84 (dest)[3] = (unsigned char) ((src)&0xff); \
85 (dest)[2] = (unsigned char) (((src) >> 8) & 0xff); \
86 (dest)[1] = (unsigned char) (((src) >> 16) & 0xff); \
87 (dest)[0] = (unsigned char) (((src) >> 24) & 0xff);
88 #define LGDB_GETSHORT(src) \
89 ((unsigned short) (((src)[0] << 8) | (src)[1]))
90 #define LGDB_GETLONG(src) \
91 ((unsigned long) (( (unsigned long) (src)[0] << 24) | \
92 ( (unsigned long) (src)[1] << 16) | \
93 ( (unsigned long) (src)[2] << 8) | \
94 (unsigned long) (src)[3]))
95
96 /*
97 * build a data base entry from a module
98 */
99 static SECStatus
100 lgdb_EncodeData(DBT *data, char * module)
101 {
102 lgdbData *encoded = NULL;
103 lgdbSlotData *slot;
104 unsigned char *dataPtr;
105 unsigned short len, len2 = 0, len3 = 0;
106 int count = 0;
107 unsigned short offset;
108 int dataLen, i;
109 unsigned long order;
110 unsigned long ssl[2];
111 char *commonName = NULL , *dllName = NULL, *param = NULL, *nss = NULL;
112 char *slotParams, *ciphers;
113 struct NSSUTILPreSlotInfoStr *slotInfo = NULL;
114 SECStatus rv = SECFailure;
115
116 rv = NSSUTIL_ArgParseModuleSpec(module,&dllName,&commonName,&param,&nss);
117 if (rv != SECSuccess) return rv;
118 rv = SECFailure;
119
120 if (commonName == NULL) {
121 /* set error */
122 goto loser;
123 }
124
125 len = PORT_Strlen(commonName);
126 if (dllName) {
127 len2 = PORT_Strlen(dllName);
128 }
129 if (param) {
130 len3 = PORT_Strlen(param);
131 }
132
133 slotParams = NSSUTIL_ArgGetParamValue("slotParams",nss);
134 slotInfo = NSSUTIL_ArgParseSlotInfo(NULL,slotParams,&count);
135 if (slotParams) PORT_Free(slotParams);
136
137 if (count && slotInfo == NULL) {
138 /* set error */
139 goto loser;
140 }
141
142 dataLen = sizeof(lgdbData) + len + len2 + len3 + sizeof(unsigned short) +
143 count*sizeof(lgdbSlotData);
144
145 data->data = (unsigned char *) PORT_ZAlloc(dataLen);
146 encoded = (lgdbData *)data->data;
147 dataPtr = (unsigned char *) data->data;
148 data->size = dataLen;
149
150 if (encoded == NULL) {
151 /* set error */
152 goto loser;
153 }
154
155 encoded->major = LGDB_DB_VERSION_MAJOR;
156 encoded->minor = LGDB_DB_VERSION_MINOR;
157 encoded->internal = (unsigned char)
158 (NSSUTIL_ArgHasFlag("flags","internal",nss) ? 1 : 0);
159 encoded->fips = (unsigned char)
160 (NSSUTIL_ArgHasFlag("flags","FIPS",nss) ? 1 : 0);
161 encoded->isModuleDB = (unsigned char)
162 (NSSUTIL_ArgHasFlag("flags","isModuleDB",nss) ? 1 : 0);
163 encoded->isModuleDBOnly = (unsigned char)
164 (NSSUTIL_ArgHasFlag("flags","isModuleDBOnly",nss) ? 1 : 0);
165 encoded->isCritical = (unsigned char)
166 (NSSUTIL_ArgHasFlag("flags","critical",nss) ? 1 : 0);
167
168 order = NSSUTIL_ArgReadLong("trustOrder", nss,
169 NSSUTIL_DEFAULT_TRUST_ORDER, NULL);
170 LGDB_PUTLONG(encoded->trustOrder,order);
171 order = NSSUTIL_ArgReadLong("cipherOrder", nss,
172 NSSUTIL_DEFAULT_CIPHER_ORDER, NULL);
173 LGDB_PUTLONG(encoded->cipherOrder,order);
174
175
176 ciphers = NSSUTIL_ArgGetParamValue("ciphers",nss);
177 NSSUTIL_ArgParseCipherFlags(&ssl[0], ciphers);
178 LGDB_PUTLONG(encoded->ssl,ssl[0]);
179 LGDB_PUTLONG(&encoded->ssl[4],ssl[1]);
180 if (ciphers) PORT_Free(ciphers);
181
182 offset = (unsigned short) offsetof(lgdbData, names);
183 LGDB_PUTSHORT(encoded->nameStart,offset);
184 offset = offset + len + len2 + len3 + 3*sizeof(unsigned short);
185 LGDB_PUTSHORT(encoded->slotOffset,offset);
186
187
188 LGDB_PUTSHORT(&dataPtr[offset],((unsigned short)count));
189 slot = (lgdbSlotData *)(dataPtr+offset+sizeof(unsigned short));
190
191 offset = 0;
192 LGDB_PUTSHORT(encoded->names,len);
193 offset += sizeof(unsigned short);
194 PORT_Memcpy(&encoded->names[offset],commonName,len);
195 offset += len;
196
197
198 LGDB_PUTSHORT(&encoded->names[offset],len2);
199 offset += sizeof(unsigned short);
200 if (len2) PORT_Memcpy(&encoded->names[offset],dllName,len2);
201 offset += len2;
202
203 LGDB_PUTSHORT(&encoded->names[offset],len3);
204 offset += sizeof(unsigned short);
205 if (len3) PORT_Memcpy(&encoded->names[offset],param,len3);
206 offset += len3;
207
208 if (count) {
209 for (i=0; i < count; i++) {
210 LGDB_PUTLONG(slot[i].slotID, slotInfo[i].slotID);
211 LGDB_PUTLONG(slot[i].defaultFlags,
212 slotInfo[i].defaultFlags);
213 LGDB_PUTLONG(slot[i].timeout,slotInfo[i].timeout);
214 slot[i].askpw = slotInfo[i].askpw;
215 slot[i].hasRootCerts = slotInfo[i].hasRootCerts;
216 PORT_Memset(slot[i].reserved, 0, sizeof(slot[i].reserved));
217 }
218 }
219 rv = SECSuccess;
220
221 loser:
222 if (commonName) PORT_Free(commonName);
223 if (dllName) PORT_Free(dllName);
224 if (param) PORT_Free(param);
225 if (slotInfo) PORT_Free(slotInfo);
226 if (nss) PORT_Free(nss);
227 return rv;
228
229 }
230
231 static void
232 lgdb_FreeData(DBT *data)
233 {
234 if (data->data) {
235 PORT_Free(data->data);
236 }
237 }
238
239 static void
240 lgdb_FreeSlotStrings(char **slotStrings, int count)
241 {
242 int i;
243
244 for (i=0; i < count; i++) {
245 if (slotStrings[i]) {
246 PR_smprintf_free(slotStrings[i]);
247 slotStrings[i] = NULL;
248 }
249 }
250 }
251
252 /*
253 * build a module from the data base entry.
254 */
255 static char *
256 lgdb_DecodeData(char *defParams, DBT *data, PRBool *retInternal)
257 {
258 lgdbData *encoded;
259 lgdbSlotData *slots;
260 PLArenaPool *arena;
261 char *commonName = NULL;
262 char *dllName = NULL;
263 char *parameters = NULL;
264 char *nss;
265 char *moduleSpec;
266 char **slotStrings = NULL;
267 unsigned char *names;
268 unsigned long slotCount;
269 unsigned long ssl0 =0;
270 unsigned long ssl1 =0;
271 unsigned long slotID;
272 unsigned long defaultFlags;
273 unsigned long timeout;
274 unsigned long trustOrder = NSSUTIL_DEFAULT_TRUST_ORDER;
275 unsigned long cipherOrder = NSSUTIL_DEFAULT_CIPHER_ORDER;
276 unsigned short len;
277 unsigned short namesOffset = 0; /* start of the names block */
278 unsigned long namesRunningOffset; /* offset to name we are
279 * currently processing */
280 unsigned short slotOffset;
281 PRBool isOldVersion = PR_FALSE;
282 PRBool internal;
283 PRBool isFIPS;
284 PRBool isModuleDB =PR_FALSE;
285 PRBool isModuleDBOnly =PR_FALSE;
286 PRBool extended =PR_FALSE;
287 int i;
288
289
290 arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
291 if (arena == NULL)
292 return NULL;
293
294 #define CHECK_SIZE(x) \
295 if ((unsigned int) data->size < (unsigned int)(x)) goto db_loser
296
297 /* -------------------------------------------------------------
298 ** Process the buffer header, which is the lgdbData struct.
299 ** It may be an old or new version. Check the length for each.
300 */
301
302 CHECK_SIZE( offsetof(lgdbData, trustOrder[0]) );
303
304 encoded = (lgdbData *)data->data;
305
306 internal = (encoded->internal != 0) ? PR_TRUE: PR_FALSE;
307 isFIPS = (encoded->fips != 0) ? PR_TRUE: PR_FALSE;
308
309 if (retInternal)
310 *retInternal = internal;
311 if (internal) {
312 parameters = PORT_ArenaStrdup(arena,defParams);
313 if (parameters == NULL)
314 goto loser;
315 }
316 if (internal && (encoded->major == LGDB_DB_NOUI_VERSION_MAJOR) &&
317 (encoded->minor <= LGDB_DB_NOUI_VERSION_MINOR)) {
318 isOldVersion = PR_TRUE;
319 }
320 if ((encoded->major == LGDB_DB_EXT1_VERSION_MAJOR) &&
321 (encoded->minor >= LGDB_DB_EXT1_VERSION_MINOR)) {
322 CHECK_SIZE( sizeof(lgdbData));
323 trustOrder = LGDB_GETLONG(encoded->trustOrder);
324 cipherOrder = LGDB_GETLONG(encoded->cipherOrder);
325 isModuleDB = (encoded->isModuleDB != 0) ? PR_TRUE: PR_FALSE;
326 isModuleDBOnly = (encoded->isModuleDBOnly != 0) ? PR_TRUE: PR_FALSE;
327 extended = PR_TRUE;
328 }
329 if (internal && !extended) {
330 trustOrder = 0;
331 cipherOrder = 100;
332 }
333 /* decode SSL cipher enable flags */
334 ssl0 = LGDB_GETLONG(encoded->ssl);
335 ssl1 = LGDB_GETLONG(encoded->ssl + 4);
336
337 slotOffset = LGDB_GETSHORT(encoded->slotOffset);
338 namesOffset = LGDB_GETSHORT(encoded->nameStart);
339
340
341 /*--------------------------------------------------------------
342 ** Now process the variable length set of names.
343 ** The names have this structure:
344 ** struct {
345 ** BYTE commonNameLen[ 2 ];
346 ** BYTE commonName [ commonNameLen ];
347 ** BTTE libNameLen [ 2 ];
348 ** BYTE libName [ libNameLen ];
349 ** If it is "extended" it also has these members:
350 ** BYTE initStringLen[ 2 ];
351 ** BYTE initString [ initStringLen ];
352 ** }
353 */
354
355 namesRunningOffset = namesOffset;
356 /* copy the module's common name */
357 CHECK_SIZE( namesRunningOffset + 2);
358 names = (unsigned char *)data->data;
359 len = LGDB_GETSHORT(names+namesRunningOffset);
360
361 CHECK_SIZE( namesRunningOffset + 2 + len);
362 commonName = (char*)PORT_ArenaAlloc(arena,len+1);
363 if (commonName == NULL)
364 goto loser;
365 PORT_Memcpy(commonName, names + namesRunningOffset + 2, len);
366 commonName[len] = 0;
367 namesRunningOffset += len + 2;
368
369 /* copy the module's shared library file name. */
370 CHECK_SIZE( namesRunningOffset + 2);
371 len = LGDB_GETSHORT(names + namesRunningOffset);
372 if (len) {
373 CHECK_SIZE( namesRunningOffset + 2 + len);
374 dllName = (char*)PORT_ArenaAlloc(arena,len + 1);
375 if (dllName == NULL)
376 goto loser;
377 PORT_Memcpy(dllName, names + namesRunningOffset + 2, len);
378 dllName[len] = 0;
379 }
380 namesRunningOffset += len + 2;
381
382 /* copy the module's initialization string, if present. */
383 if (!internal && extended) {
384 CHECK_SIZE( namesRunningOffset + 2);
385 len = LGDB_GETSHORT(names+namesRunningOffset);
386 if (len) {
387 CHECK_SIZE( namesRunningOffset + 2 + len );
388 parameters = (char*)PORT_ArenaAlloc(arena,len + 1);
389 if (parameters == NULL)
390 goto loser;
391 PORT_Memcpy(parameters,names + namesRunningOffset + 2, len);
392 parameters[len] = 0;
393 }
394 namesRunningOffset += len + 2;
395 }
396
397 /*
398 * Consistency check: Make sure the slot and names blocks don't
399 * overlap. These blocks can occur in any order, so this check is made
400 * in 2 parts. First we check the case where the slot block starts
401 * after the name block. Later, when we have the slot block length,
402 * we check the case where slot block starts before the name block.
403 * NOTE: in most cases any overlap will likely be detected by invalid
404 * data read from the blocks, but it's better to find out sooner
405 * than later.
406 */
407 if (slotOffset >= namesOffset) { /* slot block starts after name block */
408 if (slotOffset < namesRunningOffset) {
409 goto db_loser;
410 }
411 }
412
413 /* ------------------------------------------------------------------
414 ** Part 3, process the slot table.
415 ** This part has this structure:
416 ** struct {
417 ** BYTE slotCount [ 2 ];
418 ** lgdbSlotData [ slotCount ];
419 ** {
420 */
421
422 CHECK_SIZE( slotOffset + 2 );
423 slotCount = LGDB_GETSHORT((unsigned char *)data->data + slotOffset);
424
425 /*
426 * Consistency check: Part 2. We now have the slot block length, we can
427 * check the case where the slotblock procedes the name block.
428 */
429 if (slotOffset < namesOffset) { /* slot block starts before name block */
430 if (namesOffset < slotOffset + 2 + slotCount*sizeof(lgdbSlotData)) {
431 goto db_loser;
432 }
433 }
434
435 CHECK_SIZE( (slotOffset + 2 + slotCount * sizeof(lgdbSlotData)));
436 slots = (lgdbSlotData *) ((unsigned char *)data->data + slotOffset + 2);
437
438 /* slotCount; */
439 slotStrings = (char **)PORT_ArenaZAlloc(arena, slotCount * sizeof(char *));
440 if (slotStrings == NULL)
441 goto loser;
442 for (i=0; i < (int) slotCount; i++, slots++) {
443 PRBool hasRootCerts =PR_FALSE;
444 PRBool hasRootTrust =PR_FALSE;
445 slotID = LGDB_GETLONG(slots->slotID);
446 defaultFlags = LGDB_GETLONG(slots->defaultFlags);
447 timeout = LGDB_GETLONG(slots->timeout);
448 hasRootCerts = slots->hasRootCerts;
449 if (isOldVersion && internal && (slotID != 2)) {
450 unsigned long internalFlags=
451 NSSUTIL_ArgParseSlotFlags("slotFlags",
452 NSSUTIL_DEFAULT_SFTKN_FLAGS);
453 defaultFlags |= internalFlags;
454 }
455 if (hasRootCerts && !extended) {
456 trustOrder = 100;
457 }
458
459 slotStrings[i] = NSSUTIL_MkSlotString(slotID, defaultFlags, timeout,
460 (unsigned char)slots->askpw,
461 hasRootCerts, hasRootTrust);
462 if (slotStrings[i] == NULL) {
463 lgdb_FreeSlotStrings(slotStrings,i);
464 goto loser;
465 }
466 }
467
468 nss = NSSUTIL_MkNSSString(slotStrings, slotCount, internal, isFIPS,
469 isModuleDB, isModuleDBOnly, internal, trustOrder,
470 cipherOrder, ssl0, ssl1);
471 lgdb_FreeSlotStrings(slotStrings,slotCount);
472 /* it's permissible (and normal) for nss to be NULL. it simply means
473 * there are no NSS specific parameters in the database */
474 moduleSpec = NSSUTIL_MkModuleSpec(dllName,commonName,parameters,nss);
475 PR_smprintf_free(nss);
476 PORT_FreeArena(arena,PR_TRUE);
477 return moduleSpec;
478
479 db_loser:
480 PORT_SetError(SEC_ERROR_BAD_DATABASE);
481 loser:
482 PORT_FreeArena(arena,PR_TRUE);
483 return NULL;
484 }
485
486 static DB *
487 lgdb_OpenDB(const char *appName, const char *filename, const char *dbName,
488 PRBool readOnly, PRBool update)
489 {
490 DB *pkcs11db = NULL;
491
492
493 if (appName) {
494 char *secname = PORT_Strdup(filename);
495 int len = strlen(secname);
496 int status = RDB_FAIL;
497
498 if (len >= 3 && PORT_Strcmp(&secname[len-3],".db") == 0) {
499 secname[len-3] = 0;
500 }
501 pkcs11db=
502 rdbopen(appName, "", secname, readOnly ? NO_RDONLY:NO_RDWR, NULL);
503 if (update && !pkcs11db) {
504 DB *updatedb;
505
506 pkcs11db = rdbopen(appName, "", secname, NO_CREATE, &status);
507 if (!pkcs11db) {
508 if (status == RDB_RETRY) {
509 pkcs11db= rdbopen(appName, "", secname,
510 readOnly ? NO_RDONLY:NO_RDWR, NULL);
511 }
512 PORT_Free(secname);
513 return pkcs11db;
514 }
515 updatedb = dbopen(dbName, NO_RDONLY, 0600, DB_HASH, 0);
516 if (updatedb) {
517 db_Copy(pkcs11db,updatedb);
518 (*updatedb->close)(updatedb);
519 } else {
520 (*pkcs11db->close)(pkcs11db);
521 PORT_Free(secname);
522 return NULL;
523 }
524 }
525 PORT_Free(secname);
526 return pkcs11db;
527 }
528
529 /* I'm sure we should do more checks here sometime... */
530 pkcs11db = dbopen(dbName, readOnly ? NO_RDONLY : NO_RDWR, 0600, DB_HASH, 0);
531
532 /* didn't exist? create it */
533 if (pkcs11db == NULL) {
534 if (readOnly)
535 return NULL;
536
537 pkcs11db = dbopen( dbName, NO_CREATE, 0600, DB_HASH, 0 );
538 if (pkcs11db)
539 (* pkcs11db->sync)(pkcs11db, 0);
540 }
541 return pkcs11db;
542 }
543
544 static void
545 lgdb_CloseDB(DB *pkcs11db)
546 {
547 (*pkcs11db->close)(pkcs11db);
548 }
549
550
551 SECStatus legacy_AddSecmodDB(const char *appName, const char *filename,
552 const char *dbname, char *module, PRBool rw);
553
554 #define LGDB_STEP 10
555 /*
556 * Read all the existing modules in
557 */
558 char **
559 legacy_ReadSecmodDB(const char *appName, const char *filename,
560 const char *dbname, char *params, PRBool rw)
561 {
562 DBT key,data;
563 int ret;
564 DB *pkcs11db = NULL;
565 char **moduleList = NULL, **newModuleList = NULL;
566 int moduleCount = 1;
567 int useCount = LGDB_STEP;
568
569 moduleList = (char **) PORT_ZAlloc(useCount*sizeof(char **));
570 if (moduleList == NULL) return NULL;
571
572 pkcs11db = lgdb_OpenDB(appName,filename,dbname,PR_TRUE,rw);
573 if (pkcs11db == NULL) goto done;
574
575 /* read and parse the file or data base */
576 ret = (*pkcs11db->seq)(pkcs11db, &key, &data, R_FIRST);
577 if (ret) goto done;
578
579
580 do {
581 char *moduleString;
582 PRBool internal = PR_FALSE;
583 if ((moduleCount+1) >= useCount) {
584 useCount += LGDB_STEP;
585 newModuleList =
586 (char **)PORT_Realloc(moduleList,useCount*sizeof(char *));
587 if (newModuleList == NULL) goto done;
588 moduleList = newModuleList;
589 PORT_Memset(&moduleList[moduleCount+1],0,
590 sizeof(char *)*LGDB_STEP);
591 }
592 moduleString = lgdb_DecodeData(params,&data,&internal);
593 if (internal) {
594 moduleList[0] = moduleString;
595 } else {
596 moduleList[moduleCount] = moduleString;
597 moduleCount++;
598 }
599 } while ( (*pkcs11db->seq)(pkcs11db, &key, &data, R_NEXT) == 0);
600
601 done:
602 if (!moduleList[0]) {
603 char * newparams = NSSUTIL_Quote(params,'"');
604 if (newparams) {
605 moduleList[0] = PR_smprintf(
606 NSSUTIL_DEFAULT_INTERNAL_INIT1 "%s"
607 NSSUTIL_DEFAULT_INTERNAL_INIT2 "%s"
608 NSSUTIL_DEFAULT_INTERNAL_INIT3,
609 newparams, NSSUTIL_DEFAULT_SFTKN_FLAGS);
610 PORT_Free(newparams);
611 }
612 }
613 /* deal with trust cert db here */
614
615 if (pkcs11db) {
616 lgdb_CloseDB(pkcs11db);
617 } else if (moduleList[0] && rw) {
618 legacy_AddSecmodDB(appName,filename,dbname,moduleList[0], rw) ;
619 }
620 if (!moduleList[0]) {
621 PORT_Free(moduleList);
622 moduleList = NULL;
623 }
624 return moduleList;
625 }
626
627 SECStatus
628 legacy_ReleaseSecmodDBData(const char *appName, const char *filename,
629 const char *dbname, char **moduleSpecList, PRBool rw)
630 {
631 if (moduleSpecList) {
632 char **index;
633 for(index = moduleSpecList; *index; index++) {
634 PR_smprintf_free(*index);
635 }
636 PORT_Free(moduleSpecList);
637 }
638 return SECSuccess;
639 }
640
641 /*
642 * Delete a module from the Data Base
643 */
644 SECStatus
645 legacy_DeleteSecmodDB(const char *appName, const char *filename,
646 const char *dbname, char *args, PRBool rw)
647 {
648 DBT key;
649 SECStatus rv = SECFailure;
650 DB *pkcs11db = NULL;
651 int ret;
652
653 if (!rw) return SECFailure;
654
655 /* make sure we have a db handle */
656 pkcs11db = lgdb_OpenDB(appName,filename,dbname,PR_FALSE,PR_FALSE);
657 if (pkcs11db == NULL) {
658 return SECFailure;
659 }
660
661 rv = lgdb_MakeKey(&key,args);
662 if (rv != SECSuccess) goto done;
663 rv = SECFailure;
664 ret = (*pkcs11db->del)(pkcs11db, &key, 0);
665 lgdb_FreeKey(&key);
666 if (ret != 0) goto done;
667
668
669 ret = (*pkcs11db->sync)(pkcs11db, 0);
670 if (ret == 0) rv = SECSuccess;
671
672 done:
673 lgdb_CloseDB(pkcs11db);
674 return rv;
675 }
676
677 /*
678 * Add a module to the Data base
679 */
680 SECStatus
681 legacy_AddSecmodDB(const char *appName, const char *filename,
682 const char *dbname, char *module, PRBool rw)
683 {
684 DBT key,data;
685 SECStatus rv = SECFailure;
686 DB *pkcs11db = NULL;
687 int ret;
688
689
690 if (!rw) return SECFailure;
691
692 /* make sure we have a db handle */
693 pkcs11db = lgdb_OpenDB(appName,filename,dbname,PR_FALSE,PR_FALSE);
694 if (pkcs11db == NULL) {
695 return SECFailure;
696 }
697
698 rv = lgdb_MakeKey(&key,module);
699 if (rv != SECSuccess) goto done;
700 rv = lgdb_EncodeData(&data,module);
701 if (rv != SECSuccess) {
702 lgdb_FreeKey(&key);
703 goto done;
704 }
705 rv = SECFailure;
706 ret = (*pkcs11db->put)(pkcs11db, &key, &data, 0);
707 lgdb_FreeKey(&key);
708 lgdb_FreeData(&data);
709 if (ret != 0) goto done;
710
711 ret = (*pkcs11db->sync)(pkcs11db, 0);
712 if (ret == 0) rv = SECSuccess;
713
714 done:
715 lgdb_CloseDB(pkcs11db);
716 return rv;
717 }
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