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gecko/security/nss/lib/softoken/legacydb/pk11db.c
Benjamin Smedberg e0d84f35cb Import NSS_3_12_RC4
2008-06-06 08:40:11 -04:00

774 lines
22 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* The following code handles the storage of PKCS 11 modules used by the
* NSS. This file is written to abstract away how the modules are
* stored so we can deside that later.
*/
#include "pk11pars.h"
#include "lgdb.h"
#include "mcom_db.h"
#include "secerr.h"
#define FREE_CLEAR(p) if (p) { PORT_Free(p); p = NULL; }
/* Construct a database key for a given module */
static SECStatus secmod_MakeKey(DBT *key, char * module) {
int len = 0;
char *commonName;
commonName = secmod_argGetParamValue("name",module);
if (commonName == NULL) {
commonName = secmod_argGetParamValue("library",module);
}
if (commonName == NULL) return SECFailure;
len = PORT_Strlen(commonName);
key->data = commonName;
key->size = len;
return SECSuccess;
}
/* free out constructed database key */
static void
secmod_FreeKey(DBT *key)
{
if (key->data) {
PORT_Free(key->data);
}
key->data = NULL;
key->size = 0;
}
typedef struct secmodDataStr secmodData;
typedef struct secmodSlotDataStr secmodSlotData;
struct secmodDataStr {
unsigned char major;
unsigned char minor;
unsigned char nameStart[2];
unsigned char slotOffset[2];
unsigned char internal;
unsigned char fips;
unsigned char ssl[8];
unsigned char trustOrder[4];
unsigned char cipherOrder[4];
unsigned char reserved1;
unsigned char isModuleDB;
unsigned char isModuleDBOnly;
unsigned char isCritical;
unsigned char reserved[4];
unsigned char names[6]; /* enough space for the length fields */
};
struct secmodSlotDataStr {
unsigned char slotID[4];
unsigned char defaultFlags[4];
unsigned char timeout[4];
unsigned char askpw;
unsigned char hasRootCerts;
unsigned char reserved[18]; /* this makes it a round 32 bytes */
};
#define SECMOD_DB_VERSION_MAJOR 0
#define SECMOD_DB_VERSION_MINOR 6
#define SECMOD_DB_EXT1_VERSION_MAJOR 0
#define SECMOD_DB_EXT1_VERSION_MINOR 6
#define SECMOD_DB_NOUI_VERSION_MAJOR 0
#define SECMOD_DB_NOUI_VERSION_MINOR 4
#define SECMOD_PUTSHORT(dest,src) \
(dest)[1] = (unsigned char) ((src)&0xff); \
(dest)[0] = (unsigned char) (((src) >> 8) & 0xff);
#define SECMOD_PUTLONG(dest,src) \
(dest)[3] = (unsigned char) ((src)&0xff); \
(dest)[2] = (unsigned char) (((src) >> 8) & 0xff); \
(dest)[1] = (unsigned char) (((src) >> 16) & 0xff); \
(dest)[0] = (unsigned char) (((src) >> 24) & 0xff);
#define SECMOD_GETSHORT(src) \
((unsigned short) (((src)[0] << 8) | (src)[1]))
#define SECMOD_GETLONG(src) \
((unsigned long) (( (unsigned long) (src)[0] << 24) | \
( (unsigned long) (src)[1] << 16) | \
( (unsigned long) (src)[2] << 8) | \
(unsigned long) (src)[3]))
/*
* build a data base entry from a module
*/
static SECStatus
secmod_EncodeData(DBT *data, char * module)
{
secmodData *encoded = NULL;
secmodSlotData *slot;
unsigned char *dataPtr;
unsigned short len, len2 = 0, len3 = 0;
int count = 0;
unsigned short offset;
int dataLen, i;
unsigned long order;
unsigned long ssl[2];
char *commonName = NULL , *dllName = NULL, *param = NULL, *nss = NULL;
char *slotParams, *ciphers;
PK11PreSlotInfo *slotInfo = NULL;
SECStatus rv = SECFailure;
rv = secmod_argParseModuleSpec(module,&dllName,&commonName,&param,&nss);
if (rv != SECSuccess) return rv;
rv = SECFailure;
if (commonName == NULL) {
/* set error */
goto loser;
}
len = PORT_Strlen(commonName);
if (dllName) {
len2 = PORT_Strlen(dllName);
}
if (param) {
len3 = PORT_Strlen(param);
}
slotParams = secmod_argGetParamValue("slotParams",nss);
slotInfo = secmod_argParseSlotInfo(NULL,slotParams,&count);
if (slotParams) PORT_Free(slotParams);
if (count && slotInfo == NULL) {
/* set error */
goto loser;
}
dataLen = sizeof(secmodData) + len + len2 + len3 + sizeof(unsigned short) +
count*sizeof(secmodSlotData);
data->data = (unsigned char *) PORT_ZAlloc(dataLen);
encoded = (secmodData *)data->data;
dataPtr = (unsigned char *) data->data;
data->size = dataLen;
if (encoded == NULL) {
/* set error */
goto loser;
}
encoded->major = SECMOD_DB_VERSION_MAJOR;
encoded->minor = SECMOD_DB_VERSION_MINOR;
encoded->internal = (unsigned char)
(secmod_argHasFlag("flags","internal",nss) ? 1 : 0);
encoded->fips = (unsigned char)
(secmod_argHasFlag("flags","FIPS",nss) ? 1 : 0);
encoded->isModuleDB = (unsigned char)
(secmod_argHasFlag("flags","isModuleDB",nss) ? 1 : 0);
encoded->isModuleDBOnly = (unsigned char)
(secmod_argHasFlag("flags","isModuleDBOnly",nss) ? 1 : 0);
encoded->isCritical = (unsigned char)
(secmod_argHasFlag("flags","critical",nss) ? 1 : 0);
order = secmod_argReadLong("trustOrder", nss, SECMOD_DEFAULT_TRUST_ORDER,
NULL);
SECMOD_PUTLONG(encoded->trustOrder,order);
order = secmod_argReadLong("cipherOrder", nss, SECMOD_DEFAULT_CIPHER_ORDER,
NULL);
SECMOD_PUTLONG(encoded->cipherOrder,order);
ciphers = secmod_argGetParamValue("ciphers",nss);
secmod_argSetNewCipherFlags(&ssl[0], ciphers);
SECMOD_PUTLONG(encoded->ssl,ssl[0]);
SECMOD_PUTLONG(&encoded->ssl[4],ssl[1]);
if (ciphers) PORT_Free(ciphers);
offset = (unsigned short) &(((secmodData *)0)->names[0]);
SECMOD_PUTSHORT(encoded->nameStart,offset);
offset = offset + len + len2 + len3 + 3*sizeof(unsigned short);
SECMOD_PUTSHORT(encoded->slotOffset,offset);
SECMOD_PUTSHORT(&dataPtr[offset],((unsigned short)count));
slot = (secmodSlotData *)(dataPtr+offset+sizeof(unsigned short));
offset = 0;
SECMOD_PUTSHORT(encoded->names,len);
offset += sizeof(unsigned short);
PORT_Memcpy(&encoded->names[offset],commonName,len);
offset += len;
SECMOD_PUTSHORT(&encoded->names[offset],len2);
offset += sizeof(unsigned short);
if (len2) PORT_Memcpy(&encoded->names[offset],dllName,len2);
offset += len2;
SECMOD_PUTSHORT(&encoded->names[offset],len3);
offset += sizeof(unsigned short);
if (len3) PORT_Memcpy(&encoded->names[offset],param,len3);
offset += len3;
if (count) {
for (i=0; i < count; i++) {
SECMOD_PUTLONG(slot[i].slotID, slotInfo[i].slotID);
SECMOD_PUTLONG(slot[i].defaultFlags,
slotInfo[i].defaultFlags);
SECMOD_PUTLONG(slot[i].timeout,slotInfo[i].timeout);
slot[i].askpw = slotInfo[i].askpw;
slot[i].hasRootCerts = slotInfo[i].hasRootCerts;
PORT_Memset(slot[i].reserved, 0, sizeof(slot[i].reserved));
}
}
rv = SECSuccess;
loser:
if (commonName) PORT_Free(commonName);
if (dllName) PORT_Free(dllName);
if (param) PORT_Free(param);
if (slotInfo) PORT_Free(slotInfo);
if (nss) PORT_Free(nss);
return rv;
}
static void
secmod_FreeData(DBT *data)
{
if (data->data) {
PORT_Free(data->data);
}
}
static void
secmod_FreeSlotStrings(char **slotStrings, int count)
{
int i;
for (i=0; i < count; i++) {
if (slotStrings[i]) {
PR_smprintf_free(slotStrings[i]);
slotStrings[i] = NULL;
}
}
}
/*
* build a module from the data base entry.
*/
static char *
secmod_DecodeData(char *defParams, DBT *data, PRBool *retInternal)
{
secmodData *encoded;
secmodSlotData *slots;
PLArenaPool *arena;
char *commonName = NULL;
char *dllName = NULL;
char *parameters = NULL;
char *nss;
char *moduleSpec;
char **slotStrings = NULL;
unsigned char *names;
unsigned long slotCount;
unsigned long ssl0 =0;
unsigned long ssl1 =0;
unsigned long slotID;
unsigned long defaultFlags;
unsigned long timeout;
unsigned long trustOrder =SECMOD_DEFAULT_TRUST_ORDER;
unsigned long cipherOrder =SECMOD_DEFAULT_CIPHER_ORDER;
unsigned short len;
unsigned short namesOffset = 0; /* start of the names block */
unsigned long namesRunningOffset; /* offset to name we are
* currently processing */
unsigned short slotOffset;
PRBool isOldVersion = PR_FALSE;
PRBool internal;
PRBool isFIPS;
PRBool isModuleDB =PR_FALSE;
PRBool isModuleDBOnly =PR_FALSE;
PRBool extended =PR_FALSE;
int i;
arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
if (arena == NULL)
return NULL;
#define CHECK_SIZE(x) \
if ((unsigned int) data->size < (unsigned int)(x)) goto db_loser
/* -------------------------------------------------------------
** Process the buffer header, which is the secmodData struct.
** It may be an old or new version. Check the length for each.
*/
CHECK_SIZE( offsetof(secmodData, trustOrder[0]) );
encoded = (secmodData *)data->data;
internal = (encoded->internal != 0) ? PR_TRUE: PR_FALSE;
isFIPS = (encoded->fips != 0) ? PR_TRUE: PR_FALSE;
if (retInternal)
*retInternal = internal;
if (internal) {
parameters = PORT_ArenaStrdup(arena,defParams);
if (parameters == NULL)
goto loser;
}
if (internal && (encoded->major == SECMOD_DB_NOUI_VERSION_MAJOR) &&
(encoded->minor <= SECMOD_DB_NOUI_VERSION_MINOR)) {
isOldVersion = PR_TRUE;
}
if ((encoded->major == SECMOD_DB_EXT1_VERSION_MAJOR) &&
(encoded->minor >= SECMOD_DB_EXT1_VERSION_MINOR)) {
CHECK_SIZE( sizeof(secmodData));
trustOrder = SECMOD_GETLONG(encoded->trustOrder);
cipherOrder = SECMOD_GETLONG(encoded->cipherOrder);
isModuleDB = (encoded->isModuleDB != 0) ? PR_TRUE: PR_FALSE;
isModuleDBOnly = (encoded->isModuleDBOnly != 0) ? PR_TRUE: PR_FALSE;
extended = PR_TRUE;
}
if (internal && !extended) {
trustOrder = 0;
cipherOrder = 100;
}
/* decode SSL cipher enable flags */
ssl0 = SECMOD_GETLONG(encoded->ssl);
ssl1 = SECMOD_GETLONG(encoded->ssl + 4);
slotOffset = SECMOD_GETSHORT(encoded->slotOffset);
namesOffset = SECMOD_GETSHORT(encoded->nameStart);
/*--------------------------------------------------------------
** Now process the variable length set of names.
** The names have this structure:
** struct {
** BYTE commonNameLen[ 2 ];
** BYTE commonName [ commonNameLen ];
** BTTE libNameLen [ 2 ];
** BYTE libName [ libNameLen ];
** If it is "extended" it also has these members:
** BYTE initStringLen[ 2 ];
** BYTE initString [ initStringLen ];
** }
*/
namesRunningOffset = namesOffset;
/* copy the module's common name */
CHECK_SIZE( namesRunningOffset + 2);
names = (unsigned char *)data->data;
len = SECMOD_GETSHORT(names+namesRunningOffset);
CHECK_SIZE( namesRunningOffset + 2 + len);
commonName = (char*)PORT_ArenaAlloc(arena,len+1);
if (commonName == NULL)
goto loser;
PORT_Memcpy(commonName, names + namesRunningOffset + 2, len);
commonName[len] = 0;
namesRunningOffset += len + 2;
/* copy the module's shared library file name. */
CHECK_SIZE( namesRunningOffset + 2);
len = SECMOD_GETSHORT(names + namesRunningOffset);
if (len) {
CHECK_SIZE( namesRunningOffset + 2 + len);
dllName = (char*)PORT_ArenaAlloc(arena,len + 1);
if (dllName == NULL)
goto loser;
PORT_Memcpy(dllName, names + namesRunningOffset + 2, len);
dllName[len] = 0;
}
namesRunningOffset += len + 2;
/* copy the module's initialization string, if present. */
if (!internal && extended) {
CHECK_SIZE( namesRunningOffset + 2);
len = SECMOD_GETSHORT(names+namesRunningOffset);
if (len) {
CHECK_SIZE( namesRunningOffset + 2 + len );
parameters = (char*)PORT_ArenaAlloc(arena,len + 1);
if (parameters == NULL)
goto loser;
PORT_Memcpy(parameters,names + namesRunningOffset + 2, len);
parameters[len] = 0;
}
namesRunningOffset += len + 2;
}
/*
* Consistency check: Make sure the slot and names blocks don't
* overlap. These blocks can occur in any order, so this check is made
* in 2 parts. First we check the case where the slot block starts
* after the name block. Later, when we have the slot block length,
* we check the case where slot block starts before the name block.
* NOTE: in most cases any overlap will likely be detected by invalid
* data read from the blocks, but it's better to find out sooner
* than later.
*/
if (slotOffset >= namesOffset) { /* slot block starts after name block */
if (slotOffset < namesRunningOffset) {
goto db_loser;
}
}
/* ------------------------------------------------------------------
** Part 3, process the slot table.
** This part has this structure:
** struct {
** BYTE slotCount [ 2 ];
** secmodSlotData [ slotCount ];
** {
*/
CHECK_SIZE( slotOffset + 2 );
slotCount = SECMOD_GETSHORT((unsigned char *)data->data + slotOffset);
/*
* Consistency check: Part 2. We now have the slot block length, we can
* check the case where the slotblock procedes the name block.
*/
if (slotOffset < namesOffset) { /* slot block starts before name block */
if (namesOffset < slotOffset + 2 + slotCount*sizeof(secmodSlotData)) {
goto db_loser;
}
}
CHECK_SIZE( (slotOffset + 2 + slotCount * sizeof(secmodSlotData)));
slots = (secmodSlotData *) ((unsigned char *)data->data + slotOffset + 2);
/* slotCount; */
slotStrings = (char **)PORT_ArenaZAlloc(arena, slotCount * sizeof(char *));
if (slotStrings == NULL)
goto loser;
for (i=0; i < (int) slotCount; i++, slots++) {
PRBool hasRootCerts =PR_FALSE;
PRBool hasRootTrust =PR_FALSE;
slotID = SECMOD_GETLONG(slots->slotID);
defaultFlags = SECMOD_GETLONG(slots->defaultFlags);
timeout = SECMOD_GETLONG(slots->timeout);
hasRootCerts = slots->hasRootCerts;
if (isOldVersion && internal && (slotID != 2)) {
unsigned long internalFlags=
secmod_argSlotFlags("slotFlags",SECMOD_SLOT_FLAGS);
defaultFlags |= internalFlags;
}
if (hasRootCerts && !extended) {
trustOrder = 100;
}
slotStrings[i] = secmod_mkSlotString(slotID, defaultFlags, timeout,
(unsigned char)slots->askpw,
hasRootCerts, hasRootTrust);
if (slotStrings[i] == NULL) {
secmod_FreeSlotStrings(slotStrings,i);
goto loser;
}
}
nss = secmod_mkNSS(slotStrings, slotCount, internal, isFIPS, isModuleDB,
isModuleDBOnly, internal, trustOrder, cipherOrder,
ssl0, ssl1);
secmod_FreeSlotStrings(slotStrings,slotCount);
/* it's permissible (and normal) for nss to be NULL. it simply means
* there are no NSS specific parameters in the database */
moduleSpec = secmod_mkNewModuleSpec(dllName,commonName,parameters,nss);
PR_smprintf_free(nss);
PORT_FreeArena(arena,PR_TRUE);
return moduleSpec;
db_loser:
PORT_SetError(SEC_ERROR_BAD_DATABASE);
loser:
PORT_FreeArena(arena,PR_TRUE);
return NULL;
}
static DB *
secmod_OpenDB(const char *appName, const char *filename, const char *dbName,
PRBool readOnly, PRBool update)
{
DB *pkcs11db = NULL;
if (appName) {
char *secname = PORT_Strdup(filename);
int len = strlen(secname);
int status = RDB_FAIL;
if (len >= 3 && PORT_Strcmp(&secname[len-3],".db") == 0) {
secname[len-3] = 0;
}
pkcs11db=
rdbopen(appName, "", secname, readOnly ? NO_RDONLY:NO_RDWR, NULL);
if (update && !pkcs11db) {
DB *updatedb;
pkcs11db = rdbopen(appName, "", secname, NO_CREATE, &status);
if (!pkcs11db) {
if (status == RDB_RETRY) {
pkcs11db= rdbopen(appName, "", secname,
readOnly ? NO_RDONLY:NO_RDWR, NULL);
}
PORT_Free(secname);
return pkcs11db;
}
updatedb = dbopen(dbName, NO_RDONLY, 0600, DB_HASH, 0);
if (updatedb) {
db_Copy(pkcs11db,updatedb);
(*updatedb->close)(updatedb);
} else {
(*pkcs11db->close)(pkcs11db);
PORT_Free(secname);
return NULL;
}
}
PORT_Free(secname);
return pkcs11db;
}
/* I'm sure we should do more checks here sometime... */
pkcs11db = dbopen(dbName, readOnly ? NO_RDONLY : NO_RDWR, 0600, DB_HASH, 0);
/* didn't exist? create it */
if (pkcs11db == NULL) {
if (readOnly)
return NULL;
pkcs11db = dbopen( dbName, NO_CREATE, 0600, DB_HASH, 0 );
if (pkcs11db)
(* pkcs11db->sync)(pkcs11db, 0);
}
return pkcs11db;
}
static void
secmod_CloseDB(DB *pkcs11db)
{
(*pkcs11db->close)(pkcs11db);
}
static char *
secmod_addEscape(const char *string, char quote)
{
char *newString = 0;
int escapes = 0, size = 0;
const char *src;
char *dest;
for (src=string; *src ; src++) {
if ((*src == quote) || (*src == '\\')) escapes++;
size++;
}
newString = PORT_ZAlloc(escapes+size+1);
if (newString == NULL) {
return NULL;
}
for (src=string, dest=newString; *src; src++,dest++) {
if ((*src == '\\') || (*src == quote)) {
*dest++ = '\\';
}
*dest = *src;
}
return newString;
}
SECStatus legacy_AddSecmodDB(const char *appName, const char *filename,
const char *dbname, char *module, PRBool rw);
#define SECMOD_STEP 10
#define SFTK_DEFAULT_INTERNAL_INIT "library= name=\"NSS Internal PKCS #11 Module\" parameters=\"%s\" NSS=\"Flags=internal,critical trustOrder=75 cipherOrder=100 slotParams=(1={%s askpw=any timeout=30})\""
/*
* Read all the existing modules in
*/
char **
legacy_ReadSecmodDB(const char *appName, const char *filename,
const char *dbname, char *params, PRBool rw)
{
DBT key,data;
int ret;
DB *pkcs11db = NULL;
char **moduleList = NULL, **newModuleList = NULL;
int moduleCount = 1;
int useCount = SECMOD_STEP;
moduleList = (char **) PORT_ZAlloc(useCount*sizeof(char **));
if (moduleList == NULL) return NULL;
pkcs11db = secmod_OpenDB(appName,filename,dbname,PR_TRUE,rw);
if (pkcs11db == NULL) goto done;
/* read and parse the file or data base */
ret = (*pkcs11db->seq)(pkcs11db, &key, &data, R_FIRST);
if (ret) goto done;
do {
char *moduleString;
PRBool internal = PR_FALSE;
if ((moduleCount+1) >= useCount) {
useCount += SECMOD_STEP;
newModuleList =
(char **)PORT_Realloc(moduleList,useCount*sizeof(char *));
if (newModuleList == NULL) goto done;
moduleList = newModuleList;
PORT_Memset(&moduleList[moduleCount+1],0,
sizeof(char *)*SECMOD_STEP);
}
moduleString = secmod_DecodeData(params,&data,&internal);
if (internal) {
moduleList[0] = moduleString;
} else {
moduleList[moduleCount] = moduleString;
moduleCount++;
}
} while ( (*pkcs11db->seq)(pkcs11db, &key, &data, R_NEXT) == 0);
done:
if (!moduleList[0]) {
char * newparams = secmod_addEscape(params,'"');
if (newparams) {
moduleList[0] = PR_smprintf(SFTK_DEFAULT_INTERNAL_INIT,newparams,
SECMOD_SLOT_FLAGS);
PORT_Free(newparams);
}
}
/* deal with trust cert db here */
if (pkcs11db) {
secmod_CloseDB(pkcs11db);
} else if (moduleList[0] && rw) {
legacy_AddSecmodDB(appName,filename,dbname,moduleList[0], rw) ;
}
if (!moduleList[0]) {
PORT_Free(moduleList);
moduleList = NULL;
}
return moduleList;
}
SECStatus
legacy_ReleaseSecmodDBData(const char *appName, const char *filename,
const char *dbname, char **moduleSpecList, PRBool rw)
{
if (moduleSpecList) {
char **index;
for(index = moduleSpecList; *index; index++) {
PR_smprintf_free(*index);
}
PORT_Free(moduleSpecList);
}
return SECSuccess;
}
/*
* Delete a module from the Data Base
*/
SECStatus
legacy_DeleteSecmodDB(const char *appName, const char *filename,
const char *dbname, char *args, PRBool rw)
{
DBT key;
SECStatus rv = SECFailure;
DB *pkcs11db = NULL;
int ret;
if (!rw) return SECFailure;
/* make sure we have a db handle */
pkcs11db = secmod_OpenDB(appName,filename,dbname,PR_FALSE,PR_FALSE);
if (pkcs11db == NULL) {
return SECFailure;
}
rv = secmod_MakeKey(&key,args);
if (rv != SECSuccess) goto done;
rv = SECFailure;
ret = (*pkcs11db->del)(pkcs11db, &key, 0);
secmod_FreeKey(&key);
if (ret != 0) goto done;
ret = (*pkcs11db->sync)(pkcs11db, 0);
if (ret == 0) rv = SECSuccess;
done:
secmod_CloseDB(pkcs11db);
return rv;
}
/*
* Add a module to the Data base
*/
SECStatus
legacy_AddSecmodDB(const char *appName, const char *filename,
const char *dbname, char *module, PRBool rw)
{
DBT key,data;
SECStatus rv = SECFailure;
DB *pkcs11db = NULL;
int ret;
if (!rw) return SECFailure;
/* make sure we have a db handle */
pkcs11db = secmod_OpenDB(appName,filename,dbname,PR_FALSE,PR_FALSE);
if (pkcs11db == NULL) {
return SECFailure;
}
rv = secmod_MakeKey(&key,module);
if (rv != SECSuccess) goto done;
rv = secmod_EncodeData(&data,module);
if (rv != SECSuccess) {
secmod_FreeKey(&key);
goto done;
}
rv = SECFailure;
ret = (*pkcs11db->put)(pkcs11db, &key, &data, 0);
secmod_FreeKey(&key);
secmod_FreeData(&data);
if (ret != 0) goto done;
ret = (*pkcs11db->sync)(pkcs11db, 0);
if (ret == 0) rv = SECSuccess;
done:
secmod_CloseDB(pkcs11db);
return rv;
}
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