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gecko-dev/security/nss/lib/pk11wrap/pk11slot.c
wtc%netscape.com 7d12a23186 Bugzilla bug 121523: checked in Kirk Erickson's session lock fix. 
Modified Files:
	lib/pk11wrap/pk11slot.c lib/softoken/pkcs11.c
	lib/softoken/pkcs11i.h lib/softoken/pkcs11u.c
2002-02-05 23:41:36 +00:00

4425 lines
118 KiB
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/*
* 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 Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Dr Stephen Henson <stephen.henson@gemplus.com>
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/*
* Deal with PKCS #11 Slots.
*/
#include "seccomon.h"
#include "secmod.h"
#include "nssilock.h"
#include "secmodi.h"
#include "pkcs11t.h"
#include "pk11func.h"
#include "cert.h"
#include "key.h"
#include "secitem.h"
#include "secder.h"
#include "secasn1.h"
#include "secoid.h"
#include "prtime.h"
#include "prlong.h"
#include "secerr.h"
/*#include "secpkcs5.h" */
/*************************************************************
* local static and global data
*************************************************************/
/*
* This array helps parsing between names, mechanisms, and flags.
* to make the config files understand more entries, add them
* to this table. (NOTE: we need function to export this table and it's size)
*/
PK11DefaultArrayEntry PK11_DefaultArray[] = {
{ "RSA", SECMOD_RSA_FLAG, CKM_RSA_PKCS },
{ "DSA", SECMOD_DSA_FLAG, CKM_DSA },
{ "DH", SECMOD_DH_FLAG, CKM_DH_PKCS_DERIVE },
{ "RC2", SECMOD_RC2_FLAG, CKM_RC2_CBC },
{ "RC4", SECMOD_RC4_FLAG, CKM_RC4 },
{ "DES", SECMOD_DES_FLAG, CKM_DES_CBC },
{ "AES", SECMOD_AES_FLAG, CKM_AES_CBC },
{ "RC5", SECMOD_RC5_FLAG, CKM_RC5_CBC },
{ "SHA-1", SECMOD_SHA1_FLAG, CKM_SHA_1 },
{ "MD5", SECMOD_MD5_FLAG, CKM_MD5 },
{ "MD2", SECMOD_MD2_FLAG, CKM_MD2 },
{ "SSL", SECMOD_SSL_FLAG, CKM_SSL3_PRE_MASTER_KEY_GEN },
{ "TLS", SECMOD_TLS_FLAG, CKM_TLS_MASTER_KEY_DERIVE },
{ "SKIPJACK", SECMOD_FORTEZZA_FLAG, CKM_SKIPJACK_CBC64 },
{ "Publicly-readable certs", SECMOD_FRIENDLY_FLAG, CKM_INVALID_MECHANISM },
{ "Random Num Generator", SECMOD_RANDOM_FLAG, CKM_FAKE_RANDOM },
};
int num_pk11_default_mechanisms = sizeof(PK11_DefaultArray) / sizeof(PK11_DefaultArray[0]);
/*
* These slotlists are lists of modules which provide default support for
* a given algorithm or mechanism.
*/
static PK11SlotList pk11_aesSlotList,
pk11_desSlotList,
pk11_rc4SlotList,
pk11_rc2SlotList,
pk11_rc5SlotList,
pk11_sha1SlotList,
pk11_md5SlotList,
pk11_md2SlotList,
pk11_rsaSlotList,
pk11_dsaSlotList,
pk11_dhSlotList,
pk11_ideaSlotList,
pk11_sslSlotList,
pk11_tlsSlotList,
pk11_randomSlotList;
/*
* Tables used for Extended mechanism mapping (currently not used)
*/
typedef struct {
CK_MECHANISM_TYPE keyGen;
CK_KEY_TYPE keyType;
CK_MECHANISM_TYPE type;
int blockSize;
int iv;
} pk11MechanismData;
static pk11MechanismData pk11_default =
{ CKM_GENERIC_SECRET_KEY_GEN, CKK_GENERIC_SECRET, CKM_FAKE_RANDOM, 8, 8 };
static pk11MechanismData *pk11_MechanismTable = NULL;
static int pk11_MechTableSize = 0;
static int pk11_MechEntrySize = 0;
/*
* list of mechanisms we're willing to wrap secret keys with.
* This list is ordered by preference.
*/
CK_MECHANISM_TYPE wrapMechanismList[] = {
CKM_DES3_ECB,
CKM_CAST5_ECB,
CKM_AES_ECB,
CKM_CAST5_ECB,
CKM_DES_ECB,
CKM_KEY_WRAP_LYNKS,
CKM_IDEA_ECB,
CKM_CAST3_ECB,
CKM_CAST_ECB,
CKM_RC5_ECB,
CKM_RC2_ECB,
CKM_CDMF_ECB,
CKM_SKIPJACK_WRAP,
};
int wrapMechanismCount = sizeof(wrapMechanismList)/sizeof(wrapMechanismList[0]);
/*
* This structure keeps track of status that spans all the Slots.
* NOTE: This is a global data structure. It semantics expect thread crosstalk
* be very careful when you see it used.
* It's major purpose in life is to allow the user to log in one PER
* Tranaction, even if a transaction spans threads. The problem is the user
* may have to enter a password one just to be able to look at the
* personalities/certificates (s)he can use. Then if Auth every is one, they
* may have to enter the password again to use the card. See PK11_StartTransac
* and PK11_EndTransaction.
*/
static struct PK11GlobalStruct {
int transaction;
PRBool inTransaction;
char *(PR_CALLBACK *getPass)(PK11SlotInfo *,PRBool,void *);
PRBool (PR_CALLBACK *verifyPass)(PK11SlotInfo *,void *);
PRBool (PR_CALLBACK *isLoggedIn)(PK11SlotInfo *,void *);
} PK11_Global = { 1, PR_FALSE, NULL, NULL, NULL };
/************************************************************
* Generic Slot List and Slot List element manipulations
************************************************************/
/*
* allocate a new list
*/
PK11SlotList *
PK11_NewSlotList(void)
{
PK11SlotList *list;
list = (PK11SlotList *)PORT_Alloc(sizeof(PK11SlotList));
if (list == NULL) return NULL;
list->head = NULL;
list->tail = NULL;
#ifdef PKCS11_USE_THREADS
list->lock = PZ_NewLock(nssILockList);
if (list->lock == NULL) {
PORT_Free(list);
return NULL;
}
#else
list->lock = NULL;
#endif
return list;
}
/*
* free a list element when all the references go away.
*/
static void
pk11_FreeListElement(PK11SlotList *list, PK11SlotListElement *le)
{
PRBool freeit = PR_FALSE;
PK11_USE_THREADS(PZ_Lock((PZLock *)(list->lock));)
if (le->refCount-- == 1) {
freeit = PR_TRUE;
}
PK11_USE_THREADS(PZ_Unlock((PZLock *)(list->lock));)
if (freeit) {
PK11_FreeSlot(le->slot);
PORT_Free(le);
}
}
/*
* if we are freeing the list, we must be the only ones with a pointer
* to the list.
*/
void
PK11_FreeSlotList(PK11SlotList *list)
{
PK11SlotListElement *le, *next ;
if (list == NULL) return;
for (le = list->head ; le; le = next) {
next = le->next;
pk11_FreeListElement(list,le);
}
PK11_USE_THREADS(PZ_DestroyLock((PZLock *)(list->lock));)
PORT_Free(list);
}
/*
* add a slot to a list
*/
SECStatus
PK11_AddSlotToList(PK11SlotList *list,PK11SlotInfo *slot)
{
PK11SlotListElement *le;
le = (PK11SlotListElement *) PORT_Alloc(sizeof(PK11SlotListElement));
if (le == NULL) return SECFailure;
le->slot = PK11_ReferenceSlot(slot);
le->prev = NULL;
le->refCount = 1;
PK11_USE_THREADS(PZ_Lock((PZLock *)(list->lock));)
if (list->head) list->head->prev = le; else list->tail = le;
le->next = list->head;
list->head = le;
PK11_USE_THREADS(PZ_Unlock((PZLock *)(list->lock));)
return SECSuccess;
}
/*
* remove a slot entry from the list
*/
SECStatus
PK11_DeleteSlotFromList(PK11SlotList *list,PK11SlotListElement *le)
{
PK11_USE_THREADS(PZ_Lock((PZLock *)(list->lock));)
if (le->prev) le->prev->next = le->next; else list->head = le->next;
if (le->next) le->next->prev = le->prev; else list->tail = le->prev;
le->next = le->prev = NULL;
PK11_USE_THREADS(PZ_Unlock((PZLock *)(list->lock));)
pk11_FreeListElement(list,le);
return SECSuccess;
}
/*
* Move a list to the end of the target list. NOTE: There is no locking
* here... This assumes BOTH lists are private copy lists.
*/
SECStatus
PK11_MoveListToList(PK11SlotList *target,PK11SlotList *src)
{
if (src->head == NULL) return SECSuccess;
if (target->tail == NULL) {
target->head = src->head;
} else {
target->tail->next = src->head;
}
src->head->prev = target->tail;
target->tail = src->tail;
src->head = src->tail = NULL;
return SECSuccess;
}
/*
* get an element from the list with a reference. You must own the list.
*/
PK11SlotListElement *
PK11_GetFirstRef(PK11SlotList *list)
{
PK11SlotListElement *le;
le = list->head;
if (le != NULL) (le)->refCount++;
return le;
}
/*
* get the next element from the list with a reference. You must own the list.
*/
PK11SlotListElement *
PK11_GetNextRef(PK11SlotList *list, PK11SlotListElement *le, PRBool restart)
{
PK11SlotListElement *new_le;
new_le = le->next;
if (new_le) new_le->refCount++;
pk11_FreeListElement(list,le);
return new_le;
}
/*
* get an element safely from the list. This just makes sure that if
* this element is not deleted while we deal with it.
*/
PK11SlotListElement *
PK11_GetFirstSafe(PK11SlotList *list)
{
PK11SlotListElement *le;
PK11_USE_THREADS(PZ_Lock((PZLock *)(list->lock));)
le = list->head;
if (le != NULL) (le)->refCount++;
PK11_USE_THREADS(PZ_Unlock((PZLock *)(list->lock));)
return le;
}
/*
* NOTE: if this element gets deleted, we can no longer safely traverse using
* it's pointers. We can either terminate the loop, or restart from the
* beginning. This is controlled by the restart option.
*/
PK11SlotListElement *
PK11_GetNextSafe(PK11SlotList *list, PK11SlotListElement *le, PRBool restart)
{
PK11SlotListElement *new_le;
PK11_USE_THREADS(PZ_Lock((PZLock *)(list->lock));)
new_le = le->next;
if (le->next == NULL) {
/* if the prev and next fields are NULL then either this element
* has been removed and we need to walk the list again (if restart
* is true) or this was the only element on the list */
if ((le->prev == NULL) && restart && (list->head != le)) {
new_le = list->head;
}
}
if (new_le) new_le->refCount++;
PK11_USE_THREADS(PZ_Unlock((PZLock *)(list->lock));)
pk11_FreeListElement(list,le);
return new_le;
}
/*
* Find the element that holds this slot
*/
PK11SlotListElement *
PK11_FindSlotElement(PK11SlotList *list,PK11SlotInfo *slot)
{
PK11SlotListElement *le;
for (le = PK11_GetFirstSafe(list); le;
le = PK11_GetNextSafe(list,le,PR_TRUE)) {
if (le->slot == slot) return le;
}
return NULL;
}
/************************************************************
* Generic Slot Utilities
************************************************************/
/*
* Create a new slot structure
*/
PK11SlotInfo *
PK11_NewSlotInfo(void)
{
PK11SlotInfo *slot;
slot = (PK11SlotInfo *)PORT_Alloc(sizeof(PK11SlotInfo));
if (slot == NULL) return slot;
#ifdef PKCS11_USE_THREADS
slot->refLock = PZ_NewLock(nssILockSlot);
if (slot->refLock == NULL) {
PORT_Free(slot);
return slot;
}
slot->sessionLock = PZ_NewLock(nssILockSession);
if (slot->sessionLock == NULL) {
PZ_DestroyLock(slot->refLock);
PORT_Free(slot);
return slot;
}
slot->freeListLock = PZ_NewLock(nssILockFreelist);
if (slot->freeListLock == NULL) {
PZ_DestroyLock(slot->sessionLock);
PZ_DestroyLock(slot->refLock);
PORT_Free(slot);
return slot;
}
#else
slot->sessionLock = NULL;
slot->refLock = NULL;
slot->freeListLock = NULL;
#endif
slot->freeSymKeysHead = NULL;
slot->keyCount = 0;
slot->maxKeyCount = 0;
slot->functionList = NULL;
slot->needTest = PR_TRUE;
slot->isPerm = PR_FALSE;
slot->isHW = PR_FALSE;
slot->isInternal = PR_FALSE;
slot->isThreadSafe = PR_FALSE;
slot->disabled = PR_FALSE;
slot->series = 0;
slot->wrapKey = 0;
slot->wrapMechanism = CKM_INVALID_MECHANISM;
slot->refKeys[0] = CK_INVALID_HANDLE;
slot->reason = PK11_DIS_NONE;
slot->readOnly = PR_TRUE;
slot->needLogin = PR_FALSE;
slot->hasRandom = PR_FALSE;
slot->defRWSession = PR_FALSE;
slot->flags = 0;
slot->session = CK_INVALID_SESSION;
slot->slotID = 0;
slot->defaultFlags = 0;
slot->refCount = 1;
slot->askpw = 0;
slot->timeout = 0;
slot->mechanismList = NULL;
slot->mechanismCount = 0;
slot->cert_array = NULL;
slot->cert_count = 0;
slot->slot_name[0] = 0;
slot->token_name[0] = 0;
PORT_Memset(slot->serial,' ',sizeof(slot->serial));
slot->module = NULL;
slot->authTransact = 0;
slot->authTime = LL_ZERO;
slot->minPassword = 0;
slot->maxPassword = 0;
slot->hasRootCerts = PR_FALSE;
return slot;
}
/* create a new reference to a slot so it doesn't go away */
PK11SlotInfo *
PK11_ReferenceSlot(PK11SlotInfo *slot)
{
PK11_USE_THREADS(PZ_Lock(slot->refLock);)
slot->refCount++;
PK11_USE_THREADS(PZ_Unlock(slot->refLock);)
return slot;
}
/* Destroy all info on a slot we have built up */
void
PK11_DestroySlot(PK11SlotInfo *slot)
{
/* first free up all the sessions on this slot */
if (slot->functionList) {
PK11_GETTAB(slot)->C_CloseAllSessions(slot->slotID);
}
/* free up the cached keys and sessions */
PK11_CleanKeyList(slot);
if (slot->mechanismList) {
PORT_Free(slot->mechanismList);
}
/* finally Tell our parent module that we've gone away so it can unload */
if (slot->module) {
SECMOD_SlotDestroyModule(slot->module,PR_TRUE);
}
#ifdef PKCS11_USE_THREADS
if (slot->refLock) {
PZ_DestroyLock(slot->refLock);
slot->refLock = NULL;
}
if (slot->sessionLock) {
PZ_DestroyLock(slot->sessionLock);
slot->sessionLock = NULL;
}
if (slot->freeListLock) {
PZ_DestroyLock(slot->freeListLock);
slot->freeListLock = NULL;
}
#endif
/* ok, well not quit finally... now we free the memory */
PORT_Free(slot);
}
/* We're all done with the slot, free it */
void
PK11_FreeSlot(PK11SlotInfo *slot)
{
PRBool freeit = PR_FALSE;
PK11_USE_THREADS(PZ_Lock(slot->refLock);)
if (slot->refCount-- == 1) freeit = PR_TRUE;
PK11_USE_THREADS(PZ_Unlock(slot->refLock);)
if (freeit) PK11_DestroySlot(slot);
}
void
PK11_EnterSlotMonitor(PK11SlotInfo *slot) {
PZ_Lock(slot->sessionLock);
}
void
PK11_ExitSlotMonitor(PK11SlotInfo *slot) {
PZ_Unlock(slot->sessionLock);
}
/***********************************************************
* Functions to find specific slots.
***********************************************************/
PRBool
SECMOD_HasRootCerts(void)
{
SECMODModuleList *mlp;
SECMODModuleList *modules = SECMOD_GetDefaultModuleList();
SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
int i;
PK11SlotInfo *slot = NULL;
PRBool found = PR_FALSE;
/* work through all the slots */
SECMOD_GetReadLock(moduleLock);
for(mlp = modules; mlp != NULL; mlp = mlp->next) {
for (i=0; i < mlp->module->slotCount; i++) {
PK11SlotInfo *tmpSlot = mlp->module->slots[i];
if (PK11_IsPresent(tmpSlot)) {
if (tmpSlot->hasRootCerts) {
found = PR_TRUE;
break;
}
}
}
if (found) break;
}
SECMOD_ReleaseReadLock(moduleLock);
return found;
}
/***********************************************************
* Functions to find specific slots.
***********************************************************/
PK11SlotInfo *
PK11_FindSlotByName(char *name)
{
SECMODModuleList *mlp;
SECMODModuleList *modules = SECMOD_GetDefaultModuleList();
SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
int i;
PK11SlotInfo *slot = NULL;
if ((name == NULL) || (*name == 0)) {
return PK11_GetInternalKeySlot();
}
/* work through all the slots */
SECMOD_GetReadLock(moduleLock);
for(mlp = modules; mlp != NULL; mlp = mlp->next) {
for (i=0; i < mlp->module->slotCount; i++) {
PK11SlotInfo *tmpSlot = mlp->module->slots[i];
if (PK11_IsPresent(tmpSlot)) {
if (PORT_Strcmp(tmpSlot->token_name,name) == 0) {
slot = PK11_ReferenceSlot(tmpSlot);
break;
}
}
}
if (slot != NULL) break;
}
SECMOD_ReleaseReadLock(moduleLock);
if (slot == NULL) {
PORT_SetError(SEC_ERROR_NO_TOKEN);
}
return slot;
}
PK11SlotInfo *
PK11_FindSlotBySerial(char *serial)
{
SECMODModuleList *mlp;
SECMODModuleList *modules = SECMOD_GetDefaultModuleList();
SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
int i;
PK11SlotInfo *slot = NULL;
/* work through all the slots */
SECMOD_GetReadLock(moduleLock);
for(mlp = modules; mlp != NULL; mlp = mlp->next) {
for (i=0; i < mlp->module->slotCount; i++) {
PK11SlotInfo *tmpSlot = mlp->module->slots[i];
if (PK11_IsPresent(tmpSlot)) {
if (PORT_Memcmp(tmpSlot->serial,serial,
sizeof(tmpSlot->serial)) == 0) {
slot = PK11_ReferenceSlot(tmpSlot);
break;
}
}
}
if (slot != NULL) break;
}
SECMOD_ReleaseReadLock(moduleLock);
if (slot == NULL) {
PORT_SetError(SEC_ERROR_NO_TOKEN);
}
return slot;
}
/***********************************************************
* Password Utilities
***********************************************************/
/*
* Check the user's password. Log into the card if it's correct.
* succeed if the user is already logged in.
*/
SECStatus
pk11_CheckPassword(PK11SlotInfo *slot,char *pw)
{
int len = PORT_Strlen(pw);
CK_RV crv;
SECStatus rv;
int64 currtime = PR_Now();
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_Login(slot->session,CKU_USER,
(unsigned char *)pw,len);
PK11_ExitSlotMonitor(slot);
switch (crv) {
/* if we're already logged in, we're good to go */
case CKR_OK:
slot->authTransact = PK11_Global.transaction;
case CKR_USER_ALREADY_LOGGED_IN:
slot->authTime = currtime;
rv = SECSuccess;
break;
case CKR_PIN_INCORRECT:
PORT_SetError(SEC_ERROR_BAD_PASSWORD);
rv = SECWouldBlock; /* everything else is ok, only the pin is bad */
break;
default:
PORT_SetError(PK11_MapError(crv));
rv = SECFailure; /* some failure we can't fix by retrying */
}
return rv;
}
/*
* Check the user's password. Logout before hand to make sure that
* we are really checking the password.
*/
SECStatus
PK11_CheckUserPassword(PK11SlotInfo *slot,char *pw)
{
int len = PORT_Strlen(pw);
CK_RV crv;
SECStatus rv;
int64 currtime = PR_Now();
/* force a logout */
PK11_EnterSlotMonitor(slot);
PK11_GETTAB(slot)->C_Logout(slot->session);
crv = PK11_GETTAB(slot)->C_Login(slot->session,CKU_USER,
(unsigned char *)pw,len);
PK11_ExitSlotMonitor(slot);
switch (crv) {
/* if we're already logged in, we're good to go */
case CKR_OK:
slot->authTransact = PK11_Global.transaction;
slot->authTime = currtime;
rv = SECSuccess;
break;
case CKR_PIN_INCORRECT:
PORT_SetError(SEC_ERROR_BAD_PASSWORD);
rv = SECWouldBlock; /* everything else is ok, only the pin is bad */
break;
default:
PORT_SetError(PK11_MapError(crv));
rv = SECFailure; /* some failure we can't fix by retrying */
}
return rv;
}
SECStatus
PK11_Logout(PK11SlotInfo *slot)
{
CK_RV crv;
/* force a logout */
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_Logout(slot->session);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
/*
* transaction stuff is for when we test for the need to do every
* time auth to see if we already did it for this slot/transaction
*/
void PK11_StartAuthTransaction(void)
{
PK11_Global.transaction++;
PK11_Global.inTransaction = PR_TRUE;
}
void PK11_EndAuthTransaction(void)
{
PK11_Global.transaction++;
PK11_Global.inTransaction = PR_FALSE;
}
/*
* before we do a private key op, we check to see if we
* need to reauthenticate.
*/
void
PK11_HandlePasswordCheck(PK11SlotInfo *slot,void *wincx)
{
int askpw = slot->askpw;
PRBool NeedAuth = PR_FALSE;
if (!slot->needLogin) return;
if ((slot->defaultFlags & PK11_OWN_PW_DEFAULTS) == 0) {
PK11SlotInfo *def_slot = PK11_GetInternalKeySlot();
if (def_slot) {
askpw = def_slot->askpw;
PK11_FreeSlot(def_slot);
}
}
/* timeouts are handled by isLoggedIn */
if (!PK11_IsLoggedIn(slot,wincx)) {
NeedAuth = PR_TRUE;
} else if (askpw == -1) {
if (!PK11_Global.inTransaction ||
(PK11_Global.transaction != slot->authTransact)) {
PK11_EnterSlotMonitor(slot);
PK11_GETTAB(slot)->C_Logout(slot->session);
PK11_ExitSlotMonitor(slot);
NeedAuth = PR_TRUE;
}
}
if (NeedAuth) PK11_DoPassword(slot,PR_TRUE,wincx);
}
void
PK11_SlotDBUpdate(PK11SlotInfo *slot)
{
SECMOD_UpdateModule(slot->module);
}
/*
* set new askpw and timeout values
*/
void
PK11_SetSlotPWValues(PK11SlotInfo *slot,int askpw, int timeout)
{
slot->askpw = askpw;
slot->timeout = timeout;
slot->defaultFlags |= PK11_OWN_PW_DEFAULTS;
PK11_SlotDBUpdate(slot);
}
/*
* Get the askpw and timeout values for this slot
*/
void
PK11_GetSlotPWValues(PK11SlotInfo *slot,int *askpw, int *timeout)
{
*askpw = slot->askpw;
*timeout = slot->timeout;
if ((slot->defaultFlags & PK11_OWN_PW_DEFAULTS) == 0) {
PK11SlotInfo *def_slot = PK11_GetInternalKeySlot();
if (def_slot) {
*askpw = def_slot->askpw;
*timeout = def_slot->timeout;
PK11_FreeSlot(def_slot);
}
}
}
/*
* make sure a slot is authenticated...
*/
SECStatus
PK11_Authenticate(PK11SlotInfo *slot, PRBool loadCerts, void *wincx) {
if (slot->needLogin && !PK11_IsLoggedIn(slot,wincx)) {
return PK11_DoPassword(slot,loadCerts,wincx);
}
return SECSuccess;
}
/*
* notification stub. If we ever get interested in any events that
* the pkcs11 functions may pass back to use, we can catch them here...
* currently pdata is a slotinfo structure.
*/
CK_RV pk11_notify(CK_SESSION_HANDLE session, CK_NOTIFICATION event,
CK_VOID_PTR pdata)
{
return CKR_OK;
}
/*
* grab a new RW session
* !!! has a side effect of grabbing the Monitor if either the slot's default
* session is RW or the slot is not thread safe. Monitor is release in function
* below
*/
CK_SESSION_HANDLE PK11_GetRWSession(PK11SlotInfo *slot)
{
CK_SESSION_HANDLE rwsession;
CK_RV crv;
if (!slot->isThreadSafe || slot->defRWSession) PK11_EnterSlotMonitor(slot);
if (slot->defRWSession) return slot->session;
crv = PK11_GETTAB(slot)->C_OpenSession(slot->slotID,
CKF_RW_SESSION|CKF_SERIAL_SESSION,
slot, pk11_notify,&rwsession);
if (crv == CKR_SESSION_COUNT) {
PK11_GETTAB(slot)->C_CloseSession(slot->session);
slot->session = CK_INVALID_SESSION;
crv = PK11_GETTAB(slot)->C_OpenSession(slot->slotID,
CKF_RW_SESSION|CKF_SERIAL_SESSION,
slot,pk11_notify,&rwsession);
}
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
if (slot->session == CK_INVALID_SESSION) {
PK11_GETTAB(slot)->C_OpenSession(slot->slotID,CKF_SERIAL_SESSION,
slot,pk11_notify,&slot->session);
}
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
return CK_INVALID_SESSION;
}
return rwsession;
}
PRBool
PK11_RWSessionHasLock(PK11SlotInfo *slot,CK_SESSION_HANDLE session_handle) {
return (PRBool)(!slot->isThreadSafe || slot->defRWSession);
}
/*
* close the rwsession and restore our readonly session
* !!! has a side effect of releasing the Monitor if either the slot's default
* session is RW or the slot is not thread safe.
*/
void
PK11_RestoreROSession(PK11SlotInfo *slot,CK_SESSION_HANDLE rwsession)
{
if (slot->defRWSession) {
PK11_ExitSlotMonitor(slot);
return;
}
PK11_GETTAB(slot)->C_CloseSession(rwsession);
if (slot->session == CK_INVALID_SESSION) {
PK11_GETTAB(slot)->C_OpenSession(slot->slotID,CKF_SERIAL_SESSION,
slot,pk11_notify,&slot->session);
}
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
}
/*
* NOTE: this assumes that we are logged out of the card before hand
*/
SECStatus
PK11_CheckSSOPassword(PK11SlotInfo *slot, char *ssopw)
{
CK_SESSION_HANDLE rwsession;
CK_RV crv;
SECStatus rv = SECFailure;
int len = PORT_Strlen(ssopw);
/* get a rwsession */
rwsession = PK11_GetRWSession(slot);
if (rwsession == CK_INVALID_SESSION) return rv;
/* check the password */
crv = PK11_GETTAB(slot)->C_Login(rwsession,CKU_SO,
(unsigned char *)ssopw,len);
switch (crv) {
/* if we're already logged in, we're good to go */
case CKR_OK:
rv = SECSuccess;
break;
case CKR_PIN_INCORRECT:
PORT_SetError(SEC_ERROR_BAD_PASSWORD);
rv = SECWouldBlock; /* everything else is ok, only the pin is bad */
break;
default:
PORT_SetError(PK11_MapError(crv));
rv = SECFailure; /* some failure we can't fix by retrying */
}
PK11_GETTAB(slot)->C_Logout(rwsession);
/* release rwsession */
PK11_RestoreROSession(slot,rwsession);
return rv;
}
/*
* make sure the password conforms to your token's requirements.
*/
SECStatus
PK11_VerifyPW(PK11SlotInfo *slot,char *pw)
{
int len = PORT_Strlen(pw);
if ((slot->minPassword > len) || (slot->maxPassword < len)) {
PORT_SetError(SEC_ERROR_BAD_DATA);
return SECFailure;
}
return SECSuccess;
}
/*
* initialize a user PIN Value
*/
SECStatus
PK11_InitPin(PK11SlotInfo *slot,char *ssopw, char *userpw)
{
CK_SESSION_HANDLE rwsession = CK_INVALID_SESSION;
CK_RV crv;
SECStatus rv = SECFailure;
int len;
int ssolen;
if (userpw == NULL) userpw = "";
if (ssopw == NULL) ssopw = "";
len = PORT_Strlen(userpw);
ssolen = PORT_Strlen(ssopw);
/* get a rwsession */
rwsession = PK11_GetRWSession(slot);
if (rwsession == CK_INVALID_SESSION) goto done;
/* check the password */
crv = PK11_GETTAB(slot)->C_Login(rwsession,CKU_SO,
(unsigned char *)ssopw,ssolen);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
goto done;
}
crv = PK11_GETTAB(slot)->C_InitPIN(rwsession,(unsigned char *)userpw,len);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
} else {
rv = SECSuccess;
}
done:
PK11_GETTAB(slot)->C_Logout(rwsession);
PK11_RestoreROSession(slot,rwsession);
if (rv == SECSuccess) {
/* update our view of the world */
PK11_InitToken(slot,PR_TRUE);
PK11_EnterSlotMonitor(slot);
PK11_GETTAB(slot)->C_Login(slot->session,CKU_USER,
(unsigned char *)userpw,len);
PK11_ExitSlotMonitor(slot);
}
return rv;
}
/*
* Change an existing user password
*/
SECStatus
PK11_ChangePW(PK11SlotInfo *slot,char *oldpw, char *newpw)
{
CK_RV crv;
SECStatus rv = SECFailure;
int newLen;
int oldLen;
CK_SESSION_HANDLE rwsession;
if (newpw == NULL) newpw = "";
if (oldpw == NULL) oldpw = "";
newLen = PORT_Strlen(newpw);
oldLen = PORT_Strlen(oldpw);
/* get a rwsession */
rwsession = PK11_GetRWSession(slot);
crv = PK11_GETTAB(slot)->C_SetPIN(rwsession,
(unsigned char *)oldpw,oldLen,(unsigned char *)newpw,newLen);
if (crv == CKR_OK) {
rv = SECSuccess;
} else {
PORT_SetError(PK11_MapError(crv));
}
PK11_RestoreROSession(slot,rwsession);
/* update our view of the world */
PK11_InitToken(slot,PR_TRUE);
return rv;
}
static char *
pk11_GetPassword(PK11SlotInfo *slot, PRBool retry, void * wincx)
{
if (PK11_Global.getPass == NULL) return NULL;
return (*PK11_Global.getPass)(slot, retry, wincx);
}
void
PK11_SetPasswordFunc(PK11PasswordFunc func)
{
PK11_Global.getPass = func;
}
void
PK11_SetVerifyPasswordFunc(PK11VerifyPasswordFunc func)
{
PK11_Global.verifyPass = func;
}
void
PK11_SetIsLoggedInFunc(PK11IsLoggedInFunc func)
{
PK11_Global.isLoggedIn = func;
}
/*
* authenticate to a slot. This loops until we can't recover, the user
* gives up, or we succeed. If we're already logged in and this function
* is called we will still prompt for a password, but we will probably
* succeed no matter what the password was (depending on the implementation
* of the PKCS 11 module.
*/
SECStatus
PK11_DoPassword(PK11SlotInfo *slot, PRBool loadCerts, void *wincx)
{
SECStatus rv = SECFailure;
char * password;
PRBool attempt = PR_FALSE;
if (PK11_NeedUserInit(slot)) {
PORT_SetError(SEC_ERROR_IO);
return SECFailure;
}
/*
* Central server type applications which control access to multiple
* slave applications to single crypto devices need to virtuallize the
* login state. This is done by a callback out of PK11_IsLoggedIn and
* here. If we are actually logged in, then we got here because the
* higher level code told us that the particular client application may
* still need to be logged in. If that is the case, we simply tell the
* server code that it should now verify the clients password and tell us
* the results.
*/
if (PK11_IsLoggedIn(slot,NULL) &&
(PK11_Global.verifyPass != NULL)) {
if (!PK11_Global.verifyPass(slot,wincx)) {
PORT_SetError(SEC_ERROR_BAD_PASSWORD);
return SECFailure;
}
return SECSuccess;
}
/* get the password. This can drop out of the while loop
* for the following reasons:
* (1) the user refused to enter a password.
* (return error to caller)
* (2) the token user password is disabled [usually due to
* too many failed authentication attempts].
* (return error to caller)
* (3) the password was successful.
*/
while ((password = pk11_GetPassword(slot, attempt, wincx)) != NULL) {
attempt = PR_TRUE;
rv = pk11_CheckPassword(slot,password);
PORT_Memset(password, 0, PORT_Strlen(password));
PORT_Free(password);
if (rv != SECWouldBlock) break;
}
if (rv == SECSuccess) {
rv = pk11_CheckVerifyTest(slot);
} else if (!attempt) PORT_SetError(SEC_ERROR_BAD_PASSWORD);
return rv;
}
void PK11_LogoutAll(void)
{
SECMODListLock *lock = SECMOD_GetDefaultModuleListLock();
SECMODModuleList *modList = SECMOD_GetDefaultModuleList();
SECMODModuleList *mlp = NULL;
int i;
SECMOD_GetReadLock(lock);
/* find the number of entries */
for (mlp = modList; mlp != NULL; mlp = mlp->next) {
for (i=0; i < mlp->module->slotCount; i++) {
PK11_Logout(mlp->module->slots[i]);
}
}
SECMOD_ReleaseReadLock(lock);
}
int
PK11_GetMinimumPwdLength(PK11SlotInfo *slot)
{
return ((int)slot->minPassword);
}
/************************************************************
* Manage the built-In Slot Lists
************************************************************/
/* Init the static built int slot list (should actually integrate
* with PK11_NewSlotList */
static void
pk11_initSlotList(PK11SlotList *list)
{
#ifdef PKCS11_USE_THREADS
list->lock = PZ_NewLock(nssILockList);
#else
list->lock = NULL;
#endif
list->head = NULL;
}
static void
pk11_freeSlotList(PK11SlotList *list)
{
PK11SlotListElement *le, *next ;
if (list == NULL) return;
for (le = list->head ; le; le = next) {
next = le->next;
pk11_FreeListElement(list,le);
}
#ifdef PK11_USE_THREADS
if (list->lock) {
PZ_DestroyLock((PZLock *)(list->lock));
}
#endif
list->lock = NULL;
list->head = NULL;
}
/* initialize the system slotlists */
SECStatus
PK11_InitSlotLists(void)
{
pk11_initSlotList(&pk11_aesSlotList);
pk11_initSlotList(&pk11_desSlotList);
pk11_initSlotList(&pk11_rc4SlotList);
pk11_initSlotList(&pk11_rc2SlotList);
pk11_initSlotList(&pk11_rc5SlotList);
pk11_initSlotList(&pk11_md5SlotList);
pk11_initSlotList(&pk11_md2SlotList);
pk11_initSlotList(&pk11_sha1SlotList);
pk11_initSlotList(&pk11_rsaSlotList);
pk11_initSlotList(&pk11_dsaSlotList);
pk11_initSlotList(&pk11_dhSlotList);
pk11_initSlotList(&pk11_ideaSlotList);
pk11_initSlotList(&pk11_sslSlotList);
pk11_initSlotList(&pk11_tlsSlotList);
pk11_initSlotList(&pk11_randomSlotList);
return SECSuccess;
}
void
PK11_DestroySlotLists(void)
{
pk11_freeSlotList(&pk11_aesSlotList);
pk11_freeSlotList(&pk11_desSlotList);
pk11_freeSlotList(&pk11_rc4SlotList);
pk11_freeSlotList(&pk11_rc2SlotList);
pk11_freeSlotList(&pk11_rc5SlotList);
pk11_freeSlotList(&pk11_md5SlotList);
pk11_freeSlotList(&pk11_md2SlotList);
pk11_freeSlotList(&pk11_sha1SlotList);
pk11_freeSlotList(&pk11_rsaSlotList);
pk11_freeSlotList(&pk11_dsaSlotList);
pk11_freeSlotList(&pk11_dhSlotList);
pk11_freeSlotList(&pk11_ideaSlotList);
pk11_freeSlotList(&pk11_sslSlotList);
pk11_freeSlotList(&pk11_tlsSlotList);
pk11_freeSlotList(&pk11_randomSlotList);
return;
}
/* return a system slot list based on mechanism */
PK11SlotList *
PK11_GetSlotList(CK_MECHANISM_TYPE type)
{
/* XXX a workaround for Bugzilla bug #55267 */
#if defined(HPUX) && defined(__LP64__)
if (CKM_INVALID_MECHANISM == type)
return NULL;
#endif
switch (type) {
case CKM_AES_CBC:
case CKM_AES_ECB:
return &pk11_aesSlotList;
case CKM_DES_CBC:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_DES3_CBC:
return &pk11_desSlotList;
case CKM_RC4:
return &pk11_rc4SlotList;
case CKM_RC5_CBC:
return &pk11_rc5SlotList;
case CKM_SHA_1:
return &pk11_sha1SlotList;
case CKM_MD5:
return &pk11_md5SlotList;
case CKM_MD2:
return &pk11_md2SlotList;
case CKM_RC2_ECB:
case CKM_RC2_CBC:
return &pk11_rc2SlotList;
case CKM_RSA_PKCS:
case CKM_RSA_PKCS_KEY_PAIR_GEN:
case CKM_RSA_X_509:
return &pk11_rsaSlotList;
case CKM_DSA:
return &pk11_dsaSlotList;
case CKM_DH_PKCS_KEY_PAIR_GEN:
case CKM_DH_PKCS_DERIVE:
return &pk11_dhSlotList;
case CKM_SSL3_PRE_MASTER_KEY_GEN:
case CKM_SSL3_MASTER_KEY_DERIVE:
case CKM_SSL3_SHA1_MAC:
case CKM_SSL3_MD5_MAC:
return &pk11_sslSlotList;
case CKM_TLS_MASTER_KEY_DERIVE:
case CKM_TLS_KEY_AND_MAC_DERIVE:
return &pk11_tlsSlotList;
case CKM_IDEA_CBC:
case CKM_IDEA_ECB:
return &pk11_ideaSlotList;
case CKM_FAKE_RANDOM:
return &pk11_randomSlotList;
}
return NULL;
}
/*
* load the static SlotInfo structures used to select a PKCS11 slot.
* preSlotInfo has a list of all the default flags for the slots on this
* module.
*/
void
PK11_LoadSlotList(PK11SlotInfo *slot, PK11PreSlotInfo *psi, int count)
{
int i;
for (i=0; i < count; i++) {
if (psi[i].slotID == slot->slotID)
break;
}
if (i == count) return;
slot->defaultFlags = psi[i].defaultFlags;
slot->askpw = psi[i].askpw;
slot->timeout = psi[i].timeout;
slot->hasRootCerts = psi[i].hasRootCerts;
/* if the slot is already disabled, don't load them into the
* default slot lists. We get here so we can save the default
* list value. */
if (slot->disabled) return;
/* if the user has disabled us, don't load us in */
if (slot->defaultFlags & PK11_DISABLE_FLAG) {
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_USER_SELECTED;
/* free up sessions and things?? */
return;
}
for (i=0; i < sizeof(PK11_DefaultArray)/sizeof(PK11_DefaultArray[0]);
i++) {
if (slot->defaultFlags & PK11_DefaultArray[i].flag) {
CK_MECHANISM_TYPE mechanism = PK11_DefaultArray[i].mechanism;
PK11SlotList *slotList = PK11_GetSlotList(mechanism);
if (slotList) PK11_AddSlotToList(slotList,slot);
}
}
return;
}
/*
* update a slot to its new attribute according to the slot list
* returns: SECSuccess if nothing to do or add/delete is successful
*/
SECStatus
PK11_UpdateSlotAttribute(PK11SlotInfo *slot, PK11DefaultArrayEntry *entry,
PRBool add)
/* add: PR_TRUE if want to turn on */
{
SECStatus result = SECSuccess;
PK11SlotList *slotList = PK11_GetSlotList(entry->mechanism);
if (add) { /* trying to turn on a mechanism */
/* turn on the default flag in the slot */
slot->defaultFlags |= entry->flag;
/* add this slot to the list */
if (slotList!=NULL)
result = PK11_AddSlotToList(slotList, slot);
} else { /* trying to turn off */
/* turn OFF the flag in the slot */
slot->defaultFlags &= ~entry->flag;
if (slotList) {
/* find the element in the list & delete it */
PK11SlotListElement *le = PK11_FindSlotElement(slotList, slot);
/* remove the slot from the list */
if (le)
result = PK11_DeleteSlotFromList(slotList, le);
}
}
return result;
}
/*
* clear a slot off of all of it's default list
*/
void
PK11_ClearSlotList(PK11SlotInfo *slot)
{
int i;
if (slot->disabled) return;
if (slot->defaultFlags == 0) return;
for (i=0; i < sizeof(PK11_DefaultArray)/sizeof(PK11_DefaultArray[0]);
i++) {
if (slot->defaultFlags & PK11_DefaultArray[i].flag) {
CK_MECHANISM_TYPE mechanism = PK11_DefaultArray[i].mechanism;
PK11SlotList *slotList = PK11_GetSlotList(mechanism);
PK11SlotListElement *le = NULL;
if (slotList) le = PK11_FindSlotElement(slotList,slot);
if (le) {
PK11_DeleteSlotFromList(slotList,le);
pk11_FreeListElement(slotList,le);
}
}
}
}
/******************************************************************
* Slot initialization
******************************************************************/
/*
* turn a PKCS11 Static Label into a string
*/
char *
PK11_MakeString(PRArenaPool *arena,char *space,
char *staticString,int stringLen)
{
int i;
char *newString;
for(i=(stringLen-1); i >= 0; i--) {
if (staticString[i] != ' ') break;
}
/* move i to point to the last space */
i++;
if (arena) {
newString = (char*)PORT_ArenaAlloc(arena,i+1 /* space for NULL */);
} else if (space) {
newString = space;
} else {
newString = (char*)PORT_Alloc(i+1 /* space for NULL */);
}
if (newString == NULL) return NULL;
if (i) PORT_Memcpy(newString,staticString, i);
newString[i] = 0;
return newString;
}
/*
* verify that slot implements Mechanism mech properly by checking against
* our internal implementation
*/
PRBool
PK11_VerifyMechanism(PK11SlotInfo *slot,PK11SlotInfo *intern,
CK_MECHANISM_TYPE mech, SECItem *data, SECItem *iv)
{
PK11Context *test = NULL, *reference = NULL;
PK11SymKey *symKey = NULL, *testKey = NULL;
SECItem *param = NULL;
unsigned char encTest[8];
unsigned char encRef[8];
int outLenTest,outLenRef;
int key_size = 0;
PRBool verify = PR_FALSE;
SECStatus rv;
if ((mech == CKM_RC2_CBC) || (mech == CKM_RC2_ECB) || (mech == CKM_RC4)) {
key_size = 16;
}
/* initialize the mechanism parameter */
param = PK11_ParamFromIV(mech,iv);
if (param == NULL) goto loser;
/* load the keys and contexts */
symKey = PK11_KeyGen(intern,mech,NULL, key_size, NULL);
if (symKey == NULL) goto loser;
reference = PK11_CreateContextBySymKey(mech, CKA_ENCRYPT, symKey, param);
if (reference == NULL) goto loser;
testKey = pk11_CopyToSlot(slot, mech, CKA_ENCRYPT, symKey);
if (testKey == NULL) goto loser;
test = PK11_CreateContextBySymKey(mech, CKA_ENCRYPT, testKey, param);
if (test == NULL) goto loser;
SECITEM_FreeItem(param,PR_TRUE); param = NULL;
/* encrypt the test data */
rv = PK11_CipherOp(test,encTest,&outLenTest,sizeof(encTest),
data->data,data->len);
if (rv != SECSuccess) goto loser;
rv = PK11_CipherOp(reference,encRef,&outLenRef,sizeof(encRef),
data->data,data->len);
if (rv != SECSuccess) goto loser;
PK11_DestroyContext(reference,PR_TRUE); reference = NULL;
PK11_DestroyContext(test,PR_TRUE); test = NULL;
if (outLenTest != outLenRef) goto loser;
if (PORT_Memcmp(encTest, encRef, outLenTest) != 0) goto loser;
verify = PR_TRUE;
loser:
if (test) PK11_DestroyContext(test,PR_TRUE);
if (symKey) PK11_FreeSymKey(symKey);
if (testKey) PK11_FreeSymKey(testKey);
if (reference) PK11_DestroyContext(reference,PR_TRUE);
if (param) SECITEM_FreeItem(param,PR_TRUE);
return verify;
}
/*
* this code verifies that the advertised mechanisms are what they
* seem to be.
*/
#define MAX_MECH_LIST_SIZE 30 /* we only know of about 30 odd mechanisms */
PRBool
PK11_VerifySlotMechanisms(PK11SlotInfo *slot)
{
CK_MECHANISM_TYPE mechListArray[MAX_MECH_LIST_SIZE];
CK_MECHANISM_TYPE *mechList = mechListArray;
static SECItem data;
static SECItem iv;
static unsigned char dataV[8];
static unsigned char ivV[8];
static PRBool generated = PR_FALSE;
CK_ULONG count;
int i;
CK_RV crv;
PRBool alloced = PR_FALSE;
PK11SlotInfo *intern = PK11_GetInternalSlot();
/* if we couldn't initialize an internal module,
* we can't check external ones */
if (intern == NULL) return PR_FALSE;
/* first get the count of mechanisms */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetMechanismList(slot->slotID,NULL,&count);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PK11_FreeSlot(intern);
return PR_FALSE;
}
/* don't blow up just because the card supports more mechanisms than
* we know about, just alloc space for them */
if (count > MAX_MECH_LIST_SIZE) {
mechList = (CK_MECHANISM_TYPE *)
PORT_Alloc(count *sizeof(CK_MECHANISM_TYPE));
alloced = PR_TRUE;
if (mechList == NULL) return PR_FALSE;
}
/* get the list */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv =PK11_GETTAB(slot)->C_GetMechanismList(slot->slotID, mechList, &count);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
if (alloced) PORT_Free(mechList);
PK11_FreeSlot(intern);
return PR_FALSE;
}
if (!generated) {
data.data = dataV;
data.len = sizeof(dataV);
iv.data = ivV;
iv.len = sizeof(ivV);
/* ok, this is a cheat, we know our internal random number generater
* is thread safe */
PK11_GETTAB(intern)->C_GenerateRandom(intern->session,
data.data, data.len);
PK11_GETTAB(intern)->C_GenerateRandom(intern->session,
iv.data, iv.len);
}
for (i=0; i < (int) count; i++) {
switch (mechList[i]) {
case CKM_DES_CBC:
case CKM_DES_ECB:
case CKM_RC4:
case CKM_RC2_CBC:
case CKM_RC2_ECB:
if (!PK11_VerifyMechanism(slot,intern,mechList[i],&data,&iv)){
if (alloced) PORT_Free(mechList);
PK11_FreeSlot(intern);
return PR_FALSE;
}
}
}
if (alloced) PORT_Free(mechList);
PK11_FreeSlot(intern);
return PR_TRUE;
}
/*
* See if we need to run the verify test, do so if necessary. If we fail,
* disable the slot.
*/
SECStatus
pk11_CheckVerifyTest(PK11SlotInfo *slot)
{
PK11_EnterSlotMonitor(slot);
if (slot->needTest) {
slot->needTest = PR_FALSE;
PK11_ExitSlotMonitor(slot);
if (!PK11_VerifySlotMechanisms(slot)) {
(void)PK11_GETTAB(slot)->C_CloseSession(slot->session);
slot->session = CK_INVALID_SESSION;
PK11_ClearSlotList(slot);
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_TOKEN_VERIFY_FAILED;
slot->needTest = PR_TRUE;
PORT_SetError(SEC_ERROR_IO);
return SECFailure;
}
} else {
PK11_ExitSlotMonitor(slot);
}
return SECSuccess;
}
/*
* Reads in the slots mechanism list for later use
*/
SECStatus
PK11_ReadMechanismList(PK11SlotInfo *slot)
{
CK_ULONG count;
CK_RV crv;
if (slot->mechanismList) {
PORT_Free(slot->mechanismList);
slot->mechanismList = NULL;
}
slot->mechanismCount = 0;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetMechanismList(slot->slotID,NULL,&count);
if (crv != CKR_OK) {
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
slot->mechanismList = (CK_MECHANISM_TYPE *)
PORT_Alloc(count *sizeof(CK_MECHANISM_TYPE));
if (slot->mechanismList == NULL) {
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
return SECFailure;
}
crv = PK11_GETTAB(slot)->C_GetMechanismList(slot->slotID,
slot->mechanismList, &count);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_Free(slot->mechanismList);
slot->mechanismList = NULL;
PORT_SetError(PK11_MapError(crv));
return SECSuccess;
}
slot->mechanismCount = count;
return SECSuccess;
}
/*
* initialize a new token
* unlike initialize slot, this can be called multiple times in the lifetime
* of NSS. It reads the information associated with a card or token,
* that is not going to change unless the card or token changes.
*/
SECStatus
PK11_InitToken(PK11SlotInfo *slot, PRBool loadCerts)
{
CK_TOKEN_INFO tokenInfo;
CK_RV crv;
char *tmp;
SECStatus rv;
/* set the slot flags to the current token values */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetTokenInfo(slot->slotID,&tokenInfo);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
/* set the slot flags to the current token values */
slot->series++; /* allow other objects to detect that the
* slot is different */
slot->flags = tokenInfo.flags;
slot->needLogin = ((tokenInfo.flags & CKF_LOGIN_REQUIRED) ?
PR_TRUE : PR_FALSE);
slot->readOnly = ((tokenInfo.flags & CKF_WRITE_PROTECTED) ?
PR_TRUE : PR_FALSE);
slot->hasRandom = ((tokenInfo.flags & CKF_RNG) ? PR_TRUE : PR_FALSE);
tmp = PK11_MakeString(NULL,slot->token_name,
(char *)tokenInfo.label, sizeof(tokenInfo.label));
slot->minPassword = tokenInfo.ulMinPinLen;
slot->maxPassword = tokenInfo.ulMaxPinLen;
PORT_Memcpy(slot->serial,tokenInfo.serialNumber,sizeof(slot->serial));
slot->defRWSession = (PRBool)((!slot->readOnly) &&
(tokenInfo.ulMaxSessionCount == 1));
rv = PK11_ReadMechanismList(slot);
if (rv != SECSuccess) return rv;
slot->hasRSAInfo = PR_FALSE;
slot->RSAInfoFlags = 0;
/* initialize the maxKeyCount value */
if (tokenInfo.ulMaxSessionCount == 0) {
slot->maxKeyCount = 800; /* should be #define or a config param */
} else if (tokenInfo.ulMaxSessionCount < 20) {
/* don't have enough sessions to keep that many keys around */
slot->maxKeyCount = 0;
} else {
slot->maxKeyCount = tokenInfo.ulMaxSessionCount/2;
}
/* Make sure our session handle is valid */
if (slot->session == CK_INVALID_SESSION) {
/* we know we don't have a valid session, go get one */
CK_SESSION_HANDLE session;
/* session should be Readonly, serial */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_OpenSession(slot->slotID,
(slot->defRWSession ? CKF_RW_SESSION : 0) | CKF_SERIAL_SESSION,
slot,pk11_notify,&session);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
slot->session = session;
} else {
/* The session we have may be defunct (the token associated with it)
* has been removed */
CK_SESSION_INFO sessionInfo;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetSessionInfo(slot->session,&sessionInfo);
if (crv == CKR_DEVICE_ERROR) {
PK11_GETTAB(slot)->C_CloseSession(slot->session);
crv = CKR_SESSION_CLOSED;
}
if ((crv==CKR_SESSION_CLOSED) || (crv==CKR_SESSION_HANDLE_INVALID)) {
crv =PK11_GETTAB(slot)->C_OpenSession(slot->slotID,
(slot->defRWSession ? CKF_RW_SESSION : 0) | CKF_SERIAL_SESSION,
slot,pk11_notify,&slot->session);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
slot->session = CK_INVALID_SESSION;
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
return SECFailure;
}
}
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
}
if (!(slot->needLogin)) {
return pk11_CheckVerifyTest(slot);
}
if (!(slot->isInternal) && (slot->hasRandom)) {
/* if this slot has a random number generater, use it to add entropy
* to the internal slot. */
PK11SlotInfo *int_slot = PK11_GetInternalSlot();
if (int_slot) {
unsigned char random_bytes[32];
/* if this slot can issue random numbers, get some entropy from
* that random number generater and give it to our internal token.
*/
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GenerateRandom
(slot->session,random_bytes, sizeof(random_bytes));
PK11_ExitSlotMonitor(slot);
if (crv == CKR_OK) {
PK11_EnterSlotMonitor(int_slot);
PK11_GETTAB(int_slot)->C_SeedRandom(int_slot->session,
random_bytes, sizeof(random_bytes));
PK11_ExitSlotMonitor(int_slot);
}
/* Now return the favor and send entropy to the token's random
* number generater */
PK11_EnterSlotMonitor(int_slot);
crv = PK11_GETTAB(int_slot)->C_GenerateRandom(int_slot->session,
random_bytes, sizeof(random_bytes));
PK11_ExitSlotMonitor(int_slot);
if (crv == CKR_OK) {
PK11_EnterSlotMonitor(slot);
PK11_GETTAB(slot)->C_SeedRandom(slot->session,
random_bytes, sizeof(random_bytes));
PK11_ExitSlotMonitor(slot);
}
}
}
return SECSuccess;
}
static PRBool
pk11_isRootSlot(PK11SlotInfo *slot)
{
CK_ATTRIBUTE findTemp[1];
CK_ATTRIBUTE *attrs;
CK_OBJECT_CLASS oclass = CKO_NETSCAPE_BUILTIN_ROOT_LIST;
int tsize;
CK_OBJECT_HANDLE handle;
attrs = findTemp;
PK11_SETATTRS(attrs, CKA_CLASS, &oclass, sizeof(oclass)); attrs++;
tsize = attrs - findTemp;
PORT_Assert(tsize <= sizeof(findTemp)/sizeof(CK_ATTRIBUTE));
handle = pk11_FindObjectByTemplate(slot,findTemp,tsize);
if (handle == CK_INVALID_HANDLE) {
return PR_FALSE;
}
return PR_TRUE;
}
/*
* Initialize the slot :
* This initialization code is called on each slot a module supports when
* it is loaded. It does the bringup initialization. The difference between
* this and InitToken is Init slot does those one time initialization stuff,
* usually associated with the reader, while InitToken may get called multiple
* times as tokens are removed and re-inserted.
*/
void
PK11_InitSlot(SECMODModule *mod,CK_SLOT_ID slotID,PK11SlotInfo *slot)
{
SECStatus rv;
char *tmp;
CK_SLOT_INFO slotInfo;
slot->functionList = mod->functionList;
slot->isInternal = mod->internal;
slot->slotID = slotID;
slot->isThreadSafe = mod->isThreadSafe;
slot->hasRSAInfo = PR_FALSE;
if (PK11_GETTAB(slot)->C_GetSlotInfo(slotID,&slotInfo) != CKR_OK) {
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_COULD_NOT_INIT_TOKEN;
return;
}
/* test to make sure claimed mechanism work */
slot->needTest = mod->internal ? PR_FALSE : PR_TRUE;
slot->module = mod; /* NOTE: we don't make a reference here because
* modules have references to their slots. This
* works because modules keep implicit references
* from their slots, and won't unload and disappear
* until all their slots have been freed */
tmp = PK11_MakeString(NULL,slot->slot_name,
(char *)slotInfo.slotDescription, sizeof(slotInfo.slotDescription));
slot->isHW = (PRBool)((slotInfo.flags & CKF_HW_SLOT) == CKF_HW_SLOT);
if ((slotInfo.flags & CKF_REMOVABLE_DEVICE) == 0) {
slot->isPerm = PR_TRUE;
/* permanment slots must have the token present always */
if ((slotInfo.flags & CKF_TOKEN_PRESENT) == 0) {
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_TOKEN_NOT_PRESENT;
return; /* nothing else to do */
}
}
/* if the token is present, initialize it */
if ((slotInfo.flags & CKF_TOKEN_PRESENT) != 0) {
rv = PK11_InitToken(slot,PR_TRUE);
/* the only hard failures are on permanent devices, or function
* verify failures... function verify failures are already handled
* by tokenInit */
if ((rv != SECSuccess) && (slot->isPerm) && (!slot->disabled)) {
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_COULD_NOT_INIT_TOKEN;
}
}
if (pk11_isRootSlot(slot)) {
if (!slot->hasRootCerts) {
slot->module->trustOrder = 100;
}
slot->hasRootCerts= PR_TRUE;
}
}
/*********************************************************************
* Slot mapping utility functions.
*********************************************************************/
/*
* determine if the token is present. If the token is present, make sure
* we have a valid session handle. Also set the value of needLogin
* appropriately.
*/
static PRBool
pk11_IsPresentCertLoad(PK11SlotInfo *slot, PRBool loadCerts)
{
CK_SLOT_INFO slotInfo;
CK_SESSION_INFO sessionInfo;
CK_RV crv;
/* disabled slots are never present */
if (slot->disabled) {
return PR_FALSE;
}
/* permanent slots are always present */
if (slot->isPerm && (slot->session != CK_INVALID_SESSION)) {
return PR_TRUE;
}
/* removable slots have a flag that says they are present */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
if (PK11_GETTAB(slot)->C_GetSlotInfo(slot->slotID,&slotInfo) != CKR_OK) {
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
return PR_FALSE;
}
if ((slotInfo.flags & CKF_TOKEN_PRESENT) == 0) {
/* if the slot is no longer present, close the session */
if (slot->session != CK_INVALID_SESSION) {
PK11_GETTAB(slot)->C_CloseSession(slot->session);
slot->session = CK_INVALID_SESSION;
/* force certs to be freed */
}
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
return PR_FALSE;
}
/* use the session Info to determine if the card has been removed and then
* re-inserted */
if (slot->session != CK_INVALID_SESSION) {
crv = PK11_GETTAB(slot)->C_GetSessionInfo(slot->session, &sessionInfo);
if (crv != CKR_OK) {
PK11_GETTAB(slot)->C_CloseSession(slot->session);
slot->session = CK_INVALID_SESSION;
}
}
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
/* card has not been removed, current token info is correct */
if (slot->session != CK_INVALID_SESSION) return PR_TRUE;
/* initialize the token info state */
if (PK11_InitToken(slot,loadCerts) != SECSuccess) {
return PR_FALSE;
}
return PR_TRUE;
}
/*
* old version of the routine
*/
PRBool
PK11_IsPresent(PK11SlotInfo *slot) {
return pk11_IsPresentCertLoad(slot,PR_TRUE);
}
/* is the slot disabled? */
PRBool
PK11_IsDisabled(PK11SlotInfo *slot)
{
return slot->disabled;
}
/* and why? */
PK11DisableReasons
PK11_GetDisabledReason(PK11SlotInfo *slot)
{
return slot->reason;
}
/* returns PR_TRUE if successfully disable the slot */
/* returns PR_FALSE otherwise */
PRBool PK11_UserDisableSlot(PK11SlotInfo *slot) {
slot->defaultFlags |= PK11_DISABLE_FLAG;
slot->disabled = PR_TRUE;
slot->reason = PK11_DIS_USER_SELECTED;
return PR_TRUE;
}
PRBool PK11_UserEnableSlot(PK11SlotInfo *slot) {
slot->defaultFlags &= ~PK11_DISABLE_FLAG;
slot->disabled = PR_FALSE;
slot->reason = PK11_DIS_NONE;
return PR_TRUE;
}
PRBool PK11_HasRootCerts(PK11SlotInfo *slot) {
return slot->hasRootCerts;
}
/* Get the module this slot is attatched to */
SECMODModule *
PK11_GetModule(PK11SlotInfo *slot)
{
return slot->module;
}
/* returnt the default flags of a slot */
unsigned long
PK11_GetDefaultFlags(PK11SlotInfo *slot)
{
return slot->defaultFlags;
}
/*
* we can initialize the password if 1) The toke is not inited
* (need login == true and see need UserInit) or 2) the token has
* a NULL password. (slot->needLogin = false & need user Init = false).
*/
PRBool PK11_NeedPWInitForSlot(PK11SlotInfo *slot)
{
if (slot->needLogin && PK11_NeedUserInit(slot)) {
return PR_TRUE;
}
if (!slot->needLogin && !PK11_NeedUserInit(slot)) {
return PR_TRUE;
}
return PR_FALSE;
}
PRBool PK11_NeedPWInit()
{
PK11SlotInfo *slot = PK11_GetInternalKeySlot();
PRBool ret = PK11_NeedPWInitForSlot(slot);
PK11_FreeSlot(slot);
return ret;
}
/*
* The following wrapper functions allow us to export an opaque slot
* function to the rest of libsec and the world... */
PRBool
PK11_IsReadOnly(PK11SlotInfo *slot)
{
return slot->readOnly;
}
PRBool
PK11_IsHW(PK11SlotInfo *slot)
{
return slot->isHW;
}
PRBool
PK11_IsInternal(PK11SlotInfo *slot)
{
return slot->isInternal;
}
PRBool
PK11_NeedLogin(PK11SlotInfo *slot)
{
return slot->needLogin;
}
PRBool
PK11_IsFriendly(PK11SlotInfo *slot)
{
/* internal slot always has public readable certs */
return (PRBool)(slot->isInternal ||
((slot->defaultFlags & SECMOD_FRIENDLY_FLAG) ==
SECMOD_FRIENDLY_FLAG));
}
char *
PK11_GetTokenName(PK11SlotInfo *slot)
{
return slot->token_name;
}
char *
PK11_GetSlotName(PK11SlotInfo *slot)
{
return slot->slot_name;
}
int
PK11_GetSlotSeries(PK11SlotInfo *slot)
{
return slot->series;
}
int
PK11_GetCurrentWrapIndex(PK11SlotInfo *slot)
{
return slot->wrapKey;
}
CK_SLOT_ID
PK11_GetSlotID(PK11SlotInfo *slot)
{
return slot->slotID;
}
SECMODModuleID
PK11_GetModuleID(PK11SlotInfo *slot)
{
return slot->module->moduleID;
}
/* return the slot info structure */
SECStatus
PK11_GetSlotInfo(PK11SlotInfo *slot, CK_SLOT_INFO *info)
{
CK_RV crv;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetSlotInfo(slot->slotID,info);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
/* return the token info structure */
SECStatus
PK11_GetTokenInfo(PK11SlotInfo *slot, CK_TOKEN_INFO *info)
{
CK_RV crv;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetTokenInfo(slot->slotID,info);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
/* Find out if we need to initialize the user's pin */
PRBool
PK11_NeedUserInit(PK11SlotInfo *slot)
{
return (PRBool)((slot->flags & CKF_USER_PIN_INITIALIZED) == 0);
}
/* get the internal key slot. FIPS has only one slot for both key slots and
* default slots */
PK11SlotInfo *
PK11_GetInternalKeySlot(void)
{
SECMODModule *mod = SECMOD_GetInternalModule();
PORT_Assert(mod != NULL);
if (!mod) {
PORT_SetError( SEC_ERROR_NO_MODULE );
return NULL;
}
return PK11_ReferenceSlot(mod->isFIPS ? mod->slots[0] : mod->slots[1]);
}
/* get the internal default slot */
PK11SlotInfo *
PK11_GetInternalSlot(void)
{
SECMODModule * mod = SECMOD_GetInternalModule();
PORT_Assert(mod != NULL);
if (!mod) {
PORT_SetError( SEC_ERROR_NO_MODULE );
return NULL;
}
return PK11_ReferenceSlot(mod->slots[0]);
}
/*
* Determine if the token is logged in. We have to actually query the token,
* because it's state can change without intervention from us.
*/
PRBool
PK11_IsLoggedIn(PK11SlotInfo *slot,void *wincx)
{
CK_SESSION_INFO sessionInfo;
int askpw = slot->askpw;
int timeout = slot->timeout;
CK_RV crv;
/* If we don't have our own password default values, use the system
* ones */
if ((slot->defaultFlags & PK11_OWN_PW_DEFAULTS) == 0) {
PK11SlotInfo *def_slot = PK11_GetInternalKeySlot();
if (def_slot) {
askpw = def_slot->askpw;
timeout = def_slot->timeout;
PK11_FreeSlot(def_slot);
}
}
if ((wincx != NULL) && (PK11_Global.isLoggedIn != NULL) &&
(*PK11_Global.isLoggedIn)(slot, wincx) == PR_FALSE) { return PR_FALSE; }
/* forget the password if we've been inactive too long */
if (askpw == 1) {
int64 currtime = PR_Now();
int64 result;
int64 mult;
LL_I2L(result, timeout);
LL_I2L(mult, 60*1000*1000);
LL_MUL(result,result,mult);
LL_ADD(result, result, slot->authTime);
if (LL_CMP(result, <, currtime) ) {
PK11_EnterSlotMonitor(slot);
PK11_GETTAB(slot)->C_Logout(slot->session);
PK11_ExitSlotMonitor(slot);
} else {
slot->authTime = currtime;
}
}
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetSessionInfo(slot->session,&sessionInfo);
PK11_ExitSlotMonitor(slot);
/* if we can't get session info, something is really wrong */
if (crv != CKR_OK) {
slot->session = CK_INVALID_SESSION;
return PR_FALSE;
}
switch (sessionInfo.state) {
case CKS_RW_PUBLIC_SESSION:
case CKS_RO_PUBLIC_SESSION:
default:
break; /* fail */
case CKS_RW_USER_FUNCTIONS:
case CKS_RW_SO_FUNCTIONS:
case CKS_RO_USER_FUNCTIONS:
return PR_TRUE;
}
return PR_FALSE;
}
/*
* check if a given slot supports the requested mechanism
*/
PRBool
PK11_DoesMechanism(PK11SlotInfo *slot, CK_MECHANISM_TYPE type)
{
int i;
/* CKM_FAKE_RANDOM is not a real PKCS mechanism. It's a marker to
* tell us we're looking form someone that has implemented get
* random bits */
if (type == CKM_FAKE_RANDOM) {
return slot->hasRandom;
}
for (i=0; i < (int) slot->mechanismCount; i++) {
if (slot->mechanismList[i] == type) return PR_TRUE;
}
return PR_FALSE;
}
/*
* Return true if a token that can do the desired mechanism exists.
* This allows us to have hardware tokens that can do function XYZ magically
* allow SSL Ciphers to appear if they are plugged in.
*/
PRBool
PK11_TokenExists(CK_MECHANISM_TYPE type)
{
SECMODModuleList *mlp;
SECMODModuleList *modules = SECMOD_GetDefaultModuleList();
SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
PK11SlotInfo *slot;
PRBool found = PR_FALSE;
int i;
/* we only need to know if there is a token that does this mechanism.
* check the internal module first because it's fast, and supports
* almost everything. */
slot = PK11_GetInternalSlot();
if (slot) {
found = PK11_DoesMechanism(slot,type);
PK11_FreeSlot(slot);
}
if (found) return PR_TRUE; /* bypass getting module locks */
SECMOD_GetReadLock(moduleLock);
for(mlp = modules; mlp != NULL && (!found); mlp = mlp->next) {
for (i=0; i < mlp->module->slotCount; i++) {
slot = mlp->module->slots[i];
if (PK11_IsPresent(slot)) {
if (PK11_DoesMechanism(slot,type)) {
found = PR_TRUE;
break;
}
}
}
}
SECMOD_ReleaseReadLock(moduleLock);
return found;
}
/*
* get all the currently available tokens in a list.
* that can perform the given mechanism. If mechanism is CKM_INVALID_MECHANISM,
* get all the tokens. Make sure tokens that need authentication are put at
* the end of this list.
*/
PK11SlotList *
PK11_GetAllTokens(CK_MECHANISM_TYPE type, PRBool needRW, PRBool loadCerts,
void *wincx)
{
PK11SlotList * list = PK11_NewSlotList();
PK11SlotList * loginList = PK11_NewSlotList();
PK11SlotList * friendlyList = PK11_NewSlotList();
SECMODModuleList * mlp;
SECMODModuleList * modules = SECMOD_GetDefaultModuleList();
SECMODListLock * moduleLock = SECMOD_GetDefaultModuleListLock();
int i;
#if defined( XP_WIN32 )
int j = 0;
PRInt32 waste[16];
#endif
if ((list == NULL) || (loginList == NULL) || (friendlyList == NULL)) {
if (list) PK11_FreeSlotList(list);
if (loginList) PK11_FreeSlotList(loginList);
if (friendlyList) PK11_FreeSlotList(friendlyList);
return NULL;
}
SECMOD_GetReadLock(moduleLock);
for(mlp = modules; mlp != NULL; mlp = mlp->next) {
#if defined( XP_WIN32 )
/* This is works around some horrible cache/page thrashing problems
** on Win32. Without this, this loop can take up to 6 seconds at
** 100% CPU on a Pentium-Pro 200. The thing this changes is to
** increase the size of the stack frame and modify it.
** Moving the loop code itself seems to have no effect.
** Dunno why this combination makes a difference, but it does.
*/
waste[ j & 0xf] = j++;
#endif
for (i = 0; i < mlp->module->slotCount; i++) {
PK11SlotInfo *slot = mlp->module->slots[i];
if (pk11_IsPresentCertLoad(slot, loadCerts)) {
if (needRW && slot->readOnly) continue;
if ((type == CKM_INVALID_MECHANISM)
|| PK11_DoesMechanism(slot, type)) {
if (slot->needLogin && !PK11_IsLoggedIn(slot, wincx)) {
if (PK11_IsFriendly(slot)) {
PK11_AddSlotToList(friendlyList, slot);
} else {
PK11_AddSlotToList(loginList, slot);
}
} else {
PK11_AddSlotToList(list, slot);
}
}
}
}
}
SECMOD_ReleaseReadLock(moduleLock);
PK11_MoveListToList(list,friendlyList);
PK11_FreeSlotList(friendlyList);
PK11_MoveListToList(list,loginList);
PK11_FreeSlotList(loginList);
return list;
}
/*
* NOTE: This routine is working from a private List generated by
* PK11_GetAllTokens. That is why it does not need to lock.
*/
PK11SlotList *
PK11_GetPrivateKeyTokens(CK_MECHANISM_TYPE type,PRBool needRW,void *wincx)
{
PK11SlotList *list = PK11_GetAllTokens(type,needRW,PR_TRUE,wincx);
PK11SlotListElement *le, *next ;
SECStatus rv;
if (list == NULL) return list;
for (le = list->head ; le; le = next) {
next = le->next; /* save the pointer here in case we have to
* free the element later */
rv = PK11_Authenticate(le->slot,PR_TRUE,wincx);
if (rv != SECSuccess) {
PK11_DeleteSlotFromList(list,le);
continue;
}
}
return list;
}
/*
* find the best slot which supports the given
* Mechanism. In normal cases this should grab the first slot on the list
* with no fuss.
*/
PK11SlotInfo *
PK11_GetBestSlotMultiple(CK_MECHANISM_TYPE *type, int mech_count, void *wincx)
{
PK11SlotList *list = NULL;
PK11SlotListElement *le ;
PK11SlotInfo *slot = NULL;
PRBool freeit = PR_FALSE;
PRBool listNeedLogin = PR_FALSE;
int i;
SECStatus rv;
list = PK11_GetSlotList(type[0]);
if ((list == NULL) || (list->head == NULL)) {
/* We need to look up all the tokens for the mechanism */
list = PK11_GetAllTokens(type[0],PR_FALSE,PR_TRUE,wincx);
freeit = PR_TRUE;
}
/* no one can do it! */
if (list == NULL) {
PORT_SetError(SEC_ERROR_NO_TOKEN);
return NULL;
}
PORT_SetError(0);
listNeedLogin = PR_FALSE;
for (i=0; i < mech_count; i++) {
if ((type[i] != CKM_FAKE_RANDOM) && (type[i] != CKM_SHA_1) &&
(type[i] != CKM_MD5) && (type[i] != CKM_MD2)) {
listNeedLogin = PR_TRUE;
break;
}
}
for (le = PK11_GetFirstSafe(list); le;
le = PK11_GetNextSafe(list,le,PR_TRUE)) {
if (PK11_IsPresent(le->slot)) {
PRBool doExit = PR_FALSE;
for (i=0; i < mech_count; i++) {
if (!PK11_DoesMechanism(le->slot,type[i])) {
doExit = PR_TRUE;
break;
}
}
if (doExit) continue;
if (listNeedLogin && le->slot->needLogin) {
rv = PK11_Authenticate(le->slot,PR_TRUE,wincx);
if (rv != SECSuccess) continue;
}
slot = le->slot;
PK11_ReferenceSlot(slot);
pk11_FreeListElement(list,le);
if (freeit) { PK11_FreeSlotList(list); }
return slot;
}
}
if (freeit) { PK11_FreeSlotList(list); }
if (PORT_GetError() == 0) {
PORT_SetError(SEC_ERROR_NO_TOKEN);
}
return NULL;
}
/* original get best slot now calls the multiple version with only one type */
PK11SlotInfo *
PK11_GetBestSlot(CK_MECHANISM_TYPE type, void *wincx)
{
return PK11_GetBestSlotMultiple(&type, 1, wincx);
}
/*
* find the best key wrap mechanism for this slot.
*/
CK_MECHANISM_TYPE
PK11_GetBestWrapMechanism(PK11SlotInfo *slot)
{
int i;
for (i=0; i < wrapMechanismCount; i++) {
if (PK11_DoesMechanism(slot,wrapMechanismList[i])) {
return wrapMechanismList[i];
}
}
return CKM_INVALID_MECHANISM;
}
int
PK11_GetBestKeyLength(PK11SlotInfo *slot,CK_MECHANISM_TYPE mechanism)
{
CK_MECHANISM_INFO mechanism_info;
CK_RV crv;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetMechanismInfo(slot->slotID,
mechanism,&mechanism_info);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) return 0;
if (mechanism_info.ulMinKeySize == mechanism_info.ulMaxKeySize)
return 0;
return mechanism_info.ulMaxKeySize;
}
/*********************************************************************
* Mechanism Mapping functions
*********************************************************************/
/*
* lookup an entry in the mechanism table. If none found, return the
* default structure.
*/
static pk11MechanismData *
pk11_lookup(CK_MECHANISM_TYPE type)
{
int i;
for (i=0; i < pk11_MechEntrySize; i++) {
if (pk11_MechanismTable[i].type == type) {
return (&pk11_MechanismTable[i]);
}
}
return &pk11_default;
}
/*
* NOTE: This is not thread safe. Called at init time, and when loading
* a new Entry. It is reasonably safe as long as it is not re-entered
* (readers will always see a consistant table)
*
* This routine is called to add entries to the mechanism table, once there,
* they can not be removed.
*/
void
PK11_AddMechanismEntry(CK_MECHANISM_TYPE type, CK_KEY_TYPE key,
CK_MECHANISM_TYPE keyGen, int ivLen, int blockSize)
{
int tableSize = pk11_MechTableSize;
int size = pk11_MechEntrySize;
int entry = size++;
pk11MechanismData *old = pk11_MechanismTable;
pk11MechanismData *newt = pk11_MechanismTable;
if (size > tableSize) {
int oldTableSize = tableSize;
tableSize += 10;
newt = (pk11MechanismData *)
PORT_Alloc(tableSize*sizeof(pk11MechanismData));
if (newt == NULL) return;
if (old) PORT_Memcpy(newt,old,oldTableSize*sizeof(pk11MechanismData));
} else old = NULL;
newt[entry].type = type;
newt[entry].keyType = key;
newt[entry].keyGen = keyGen;
newt[entry].iv = ivLen;
newt[entry].blockSize = blockSize;
pk11_MechanismTable = newt;
pk11_MechTableSize = tableSize;
pk11_MechEntrySize = size;
if (old) PORT_Free(old);
}
/*
* Get the key type needed for the given mechanism
*/
CK_MECHANISM_TYPE
PK11_GetKeyType(CK_MECHANISM_TYPE type,unsigned long len)
{
switch (type) {
case CKM_AES_ECB:
case CKM_AES_CBC:
case CKM_AES_MAC:
case CKM_AES_MAC_GENERAL:
case CKM_AES_CBC_PAD:
case CKM_AES_KEY_GEN:
return CKK_AES;
case CKM_DES_ECB:
case CKM_DES_CBC:
case CKM_DES_MAC:
case CKM_DES_MAC_GENERAL:
case CKM_DES_CBC_PAD:
case CKM_DES_KEY_GEN:
case CKM_KEY_WRAP_LYNKS:
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
return CKK_DES;
case CKM_DES3_ECB:
case CKM_DES3_CBC:
case CKM_DES3_MAC:
case CKM_DES3_MAC_GENERAL:
case CKM_DES3_CBC_PAD:
return (len == 128) ? CKK_DES2 : CKK_DES3;
case CKM_DES2_KEY_GEN:
case CKM_PBE_SHA1_DES2_EDE_CBC:
return CKK_DES2;
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_DES3_KEY_GEN:
return CKK_DES3;
case CKM_CDMF_ECB:
case CKM_CDMF_CBC:
case CKM_CDMF_MAC:
case CKM_CDMF_MAC_GENERAL:
case CKM_CDMF_CBC_PAD:
case CKM_CDMF_KEY_GEN:
return CKK_CDMF;
case CKM_RC2_ECB:
case CKM_RC2_CBC:
case CKM_RC2_MAC:
case CKM_RC2_MAC_GENERAL:
case CKM_RC2_CBC_PAD:
case CKM_RC2_KEY_GEN:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
return CKK_RC2;
case CKM_RC4:
case CKM_RC4_KEY_GEN:
return CKK_RC4;
case CKM_RC5_ECB:
case CKM_RC5_CBC:
case CKM_RC5_MAC:
case CKM_RC5_MAC_GENERAL:
case CKM_RC5_CBC_PAD:
case CKM_RC5_KEY_GEN:
return CKK_RC5;
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_SKIPJACK_KEY_GEN:
case CKM_SKIPJACK_WRAP:
case CKM_SKIPJACK_PRIVATE_WRAP:
return CKK_SKIPJACK;
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_BATON_WRAP:
case CKM_BATON_KEY_GEN:
return CKK_BATON;
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
case CKM_JUNIPER_WRAP:
case CKM_JUNIPER_KEY_GEN:
return CKK_JUNIPER;
case CKM_IDEA_CBC:
case CKM_IDEA_ECB:
case CKM_IDEA_MAC:
case CKM_IDEA_MAC_GENERAL:
case CKM_IDEA_CBC_PAD:
case CKM_IDEA_KEY_GEN:
return CKK_IDEA;
case CKM_CAST_ECB:
case CKM_CAST_CBC:
case CKM_CAST_MAC:
case CKM_CAST_MAC_GENERAL:
case CKM_CAST_CBC_PAD:
case CKM_CAST_KEY_GEN:
case CKM_PBE_MD5_CAST_CBC:
return CKK_CAST;
case CKM_CAST3_ECB:
case CKM_CAST3_CBC:
case CKM_CAST3_MAC:
case CKM_CAST3_MAC_GENERAL:
case CKM_CAST3_CBC_PAD:
case CKM_CAST3_KEY_GEN:
case CKM_PBE_MD5_CAST3_CBC:
return CKK_CAST3;
case CKM_CAST5_ECB:
case CKM_CAST5_CBC:
case CKM_CAST5_MAC:
case CKM_CAST5_MAC_GENERAL:
case CKM_CAST5_CBC_PAD:
case CKM_CAST5_KEY_GEN:
case CKM_PBE_MD5_CAST5_CBC:
return CKK_CAST5;
case CKM_RSA_PKCS:
case CKM_RSA_9796:
case CKM_RSA_X_509:
case CKM_MD2_RSA_PKCS:
case CKM_MD5_RSA_PKCS:
case CKM_SHA1_RSA_PKCS:
case CKM_KEY_WRAP_SET_OAEP:
case CKM_RSA_PKCS_KEY_PAIR_GEN:
return CKK_RSA;
case CKM_DSA:
case CKM_DSA_SHA1:
case CKM_DSA_KEY_PAIR_GEN:
return CKK_DSA;
case CKM_DH_PKCS_DERIVE:
case CKM_DH_PKCS_KEY_PAIR_GEN:
return CKK_DH;
case CKM_KEA_KEY_DERIVE:
case CKM_KEA_KEY_PAIR_GEN:
return CKK_KEA;
case CKM_ECDSA_KEY_PAIR_GEN:
case CKM_ECDSA:
case CKM_ECDSA_SHA1:
return CKK_ECDSA;
case CKM_SSL3_PRE_MASTER_KEY_GEN:
case CKM_GENERIC_SECRET_KEY_GEN:
case CKM_SSL3_MASTER_KEY_DERIVE:
case CKM_SSL3_MASTER_KEY_DERIVE_DH:
case CKM_SSL3_KEY_AND_MAC_DERIVE:
case CKM_SSL3_SHA1_MAC:
case CKM_SSL3_MD5_MAC:
case CKM_TLS_MASTER_KEY_DERIVE:
case CKM_TLS_MASTER_KEY_DERIVE_DH:
case CKM_TLS_KEY_AND_MAC_DERIVE:
case CKM_SHA_1_HMAC:
case CKM_SHA_1_HMAC_GENERAL:
case CKM_MD2_HMAC:
case CKM_MD2_HMAC_GENERAL:
case CKM_MD5_HMAC:
case CKM_MD5_HMAC_GENERAL:
case CKM_TLS_PRF_GENERAL:
return CKK_GENERIC_SECRET;
default:
return pk11_lookup(type)->keyType;
}
}
/*
* Get the Key Gen Mechanism needed for the given
* crypto mechanism
*/
CK_MECHANISM_TYPE
PK11_GetKeyGen(CK_MECHANISM_TYPE type)
{
switch (type) {
case CKM_AES_ECB:
case CKM_AES_CBC:
case CKM_AES_MAC:
case CKM_AES_MAC_GENERAL:
case CKM_AES_CBC_PAD:
return CKM_AES_KEY_GEN;
case CKM_DES_ECB:
case CKM_DES_CBC:
case CKM_DES_MAC:
case CKM_DES_MAC_GENERAL:
case CKM_KEY_WRAP_LYNKS:
case CKM_DES_CBC_PAD:
return CKM_DES_KEY_GEN;
case CKM_DES3_ECB:
case CKM_DES3_CBC:
case CKM_DES3_MAC:
case CKM_DES3_MAC_GENERAL:
case CKM_DES3_CBC_PAD:
return CKM_DES3_KEY_GEN;
case CKM_CDMF_ECB:
case CKM_CDMF_CBC:
case CKM_CDMF_MAC:
case CKM_CDMF_MAC_GENERAL:
case CKM_CDMF_CBC_PAD:
return CKM_CDMF_KEY_GEN;
case CKM_RC2_ECB:
case CKM_RC2_CBC:
case CKM_RC2_MAC:
case CKM_RC2_MAC_GENERAL:
case CKM_RC2_CBC_PAD:
return CKM_RC2_KEY_GEN;
case CKM_RC4:
return CKM_RC4_KEY_GEN;
case CKM_RC5_ECB:
case CKM_RC5_CBC:
case CKM_RC5_MAC:
case CKM_RC5_MAC_GENERAL:
case CKM_RC5_CBC_PAD:
return CKM_RC5_KEY_GEN;
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_SKIPJACK_WRAP:
return CKM_SKIPJACK_KEY_GEN;
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_BATON_WRAP:
return CKM_BATON_KEY_GEN;
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
case CKM_JUNIPER_WRAP:
return CKM_JUNIPER_KEY_GEN;
case CKM_IDEA_CBC:
case CKM_IDEA_ECB:
case CKM_IDEA_MAC:
case CKM_IDEA_MAC_GENERAL:
case CKM_IDEA_CBC_PAD:
return CKM_IDEA_KEY_GEN;
case CKM_CAST_ECB:
case CKM_CAST_CBC:
case CKM_CAST_MAC:
case CKM_CAST_MAC_GENERAL:
case CKM_CAST_CBC_PAD:
return CKM_CAST_KEY_GEN;
case CKM_CAST3_ECB:
case CKM_CAST3_CBC:
case CKM_CAST3_MAC:
case CKM_CAST3_MAC_GENERAL:
case CKM_CAST3_CBC_PAD:
return CKM_CAST3_KEY_GEN;
case CKM_CAST5_ECB:
case CKM_CAST5_CBC:
case CKM_CAST5_MAC:
case CKM_CAST5_MAC_GENERAL:
case CKM_CAST5_CBC_PAD:
return CKM_CAST5_KEY_GEN;
case CKM_RSA_PKCS:
case CKM_RSA_9796:
case CKM_RSA_X_509:
case CKM_MD2_RSA_PKCS:
case CKM_MD5_RSA_PKCS:
case CKM_SHA1_RSA_PKCS:
case CKM_KEY_WRAP_SET_OAEP:
return CKM_RSA_PKCS_KEY_PAIR_GEN;
case CKM_DSA:
case CKM_DSA_SHA1:
return CKM_DSA_KEY_PAIR_GEN;
case CKM_DH_PKCS_DERIVE:
return CKM_DH_PKCS_KEY_PAIR_GEN;
case CKM_KEA_KEY_DERIVE:
return CKM_KEA_KEY_PAIR_GEN;
case CKM_ECDSA:
return CKM_ECDSA_KEY_PAIR_GEN;
case CKM_SSL3_PRE_MASTER_KEY_GEN:
case CKM_SSL3_MASTER_KEY_DERIVE:
case CKM_SSL3_KEY_AND_MAC_DERIVE:
case CKM_SSL3_SHA1_MAC:
case CKM_SSL3_MD5_MAC:
case CKM_TLS_MASTER_KEY_DERIVE:
case CKM_TLS_KEY_AND_MAC_DERIVE:
return CKM_SSL3_PRE_MASTER_KEY_GEN;
case CKM_SHA_1_HMAC:
case CKM_SHA_1_HMAC_GENERAL:
case CKM_MD2_HMAC:
case CKM_MD2_HMAC_GENERAL:
case CKM_MD5_HMAC:
case CKM_MD5_HMAC_GENERAL:
case CKM_TLS_PRF_GENERAL:
return CKM_GENERIC_SECRET_KEY_GEN;
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_PBA_SHA1_WITH_SHA1_HMAC:
case CKM_NETSCAPE_PBE_SHA1_HMAC_KEY_GEN:
case CKM_NETSCAPE_PBE_MD5_HMAC_KEY_GEN:
case CKM_NETSCAPE_PBE_MD2_HMAC_KEY_GEN:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_DES2_EDE_CBC:
return type;
default:
return pk11_lookup(type)->keyGen;
}
}
/*
* get the mechanism block size
*/
int
PK11_GetBlockSize(CK_MECHANISM_TYPE type,SECItem *params)
{
CK_RC5_PARAMS *rc5_params;
CK_RC5_CBC_PARAMS *rc5_cbc_params;
switch (type) {
case CKM_RC5_ECB:
if ((params) && (params->data)) {
rc5_params = (CK_RC5_PARAMS *) params->data;
return (rc5_params->ulWordsize)*2;
}
return 8;
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
if ((params) && (params->data)) {
rc5_cbc_params = (CK_RC5_CBC_PARAMS *) params->data;
return (rc5_cbc_params->ulWordsize)*2;
}
return 8;
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_RC2_ECB:
case CKM_IDEA_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
case CKM_RC2_CBC:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_RC2_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_DES2_EDE_CBC:
return 8;
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
return 4;
case CKM_AES_ECB:
case CKM_AES_CBC:
case CKM_AES_CBC_PAD:
case CKM_BATON_ECB128:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
return 16;
case CKM_BATON_ECB96:
return 12;
case CKM_RC4:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
return 0;
case CKM_RSA_PKCS:
case CKM_RSA_9796:
case CKM_RSA_X_509:
/*actually it's the modulus length of the key!*/
return -1; /* failure */
default:
return pk11_lookup(type)->blockSize;
}
}
/*
* get the iv length
*/
int
PK11_GetIVLength(CK_MECHANISM_TYPE type)
{
switch (type) {
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_RC2_ECB:
case CKM_IDEA_ECB:
case CKM_SKIPJACK_WRAP:
case CKM_BATON_WRAP:
case CKM_RC5_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
return 0;
case CKM_RC2_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_DES2_EDE_CBC:
case CKM_RC5_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_RC2_CBC_PAD:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_RC5_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
return 8;
case CKM_AES_CBC:
case CKM_AES_CBC_PAD:
return 16;
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
return 24;
case CKM_RC4:
case CKM_RSA_PKCS:
case CKM_RSA_9796:
case CKM_RSA_X_509:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
return 0;
default:
return pk11_lookup(type)->iv;
}
}
/* These next two utilities are here to help facilitate future
* Dynamic Encrypt/Decrypt symetric key mechanisms, and to allow functions
* like SSL and S-MIME to automatically add them.
*/
SECItem *
PK11_ParamFromIV(CK_MECHANISM_TYPE type,SECItem *iv)
{
CK_RC2_CBC_PARAMS *rc2_params = NULL;
CK_RC2_PARAMS *rc2_ecb_params = NULL;
CK_RC5_PARAMS *rc5_params = NULL;
CK_RC5_CBC_PARAMS *rc5_cbc_params = NULL;
SECItem *param;
param = (SECItem *)PORT_Alloc(sizeof(SECItem));
if (param == NULL) return NULL;
param->data = NULL;
param->len = 0;
switch (type) {
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_RSA_PKCS:
case CKM_RSA_X_509:
case CKM_RSA_9796:
case CKM_IDEA_ECB:
case CKM_CDMF_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
case CKM_RC4:
break;
case CKM_RC2_ECB:
rc2_ecb_params = (CK_RC2_PARAMS *)PORT_Alloc(sizeof(CK_RC2_PARAMS));
if (rc2_ecb_params == NULL) break;
/* Maybe we should pass the key size in too to get this value? */
*rc2_ecb_params = 128;
param->data = (unsigned char *) rc2_ecb_params;
param->len = sizeof(CK_RC2_PARAMS);
break;
case CKM_RC2_CBC:
case CKM_RC2_CBC_PAD:
rc2_params = (CK_RC2_CBC_PARAMS *)PORT_Alloc(sizeof(CK_RC2_CBC_PARAMS));
if (rc2_params == NULL) break;
/* Maybe we should pass the key size in too to get this value? */
rc2_params->ulEffectiveBits = 128;
if (iv && iv->data)
PORT_Memcpy(rc2_params->iv,iv->data,sizeof(rc2_params->iv));
param->data = (unsigned char *) rc2_params;
param->len = sizeof(CK_RC2_CBC_PARAMS);
break;
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
rc5_cbc_params = (CK_RC5_CBC_PARAMS *)
PORT_Alloc(sizeof(CK_RC5_CBC_PARAMS) + ((iv) ? iv->len : 0));
if (rc5_cbc_params == NULL) break;
if (iv && iv->data) {
rc5_cbc_params->pIv = ((CK_BYTE_PTR) rc5_cbc_params)
+ sizeof(CK_RC5_CBC_PARAMS);
PORT_Memcpy(rc5_cbc_params->pIv,iv->data,iv->len);
rc5_cbc_params->ulIvLen = iv->len;
rc5_cbc_params->ulWordsize = iv->len/2;
} else {
rc5_cbc_params->ulWordsize = 4;
rc5_cbc_params->pIv = NULL;
rc5_cbc_params->ulIvLen = iv->len;
}
rc5_cbc_params->ulRounds = 16;
param->data = (unsigned char *) rc5_cbc_params;
param->len = sizeof(CK_RC5_CBC_PARAMS);
break;
case CKM_RC5_ECB:
rc5_params = (CK_RC5_PARAMS *)PORT_Alloc(sizeof(CK_RC5_PARAMS));
if (rc5_params == NULL) break;
if (iv && iv->data && iv->len) {
rc5_params->ulWordsize = iv->len/2;
} else {
rc5_params->ulWordsize = 4;
}
rc5_params->ulRounds = 16;
param->data = (unsigned char *) rc5_params;
param->len = sizeof(CK_RC5_PARAMS);
break;
case CKM_AES_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CDMF_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_AES_CBC_PAD:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CDMF_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
if ((iv == NULL) || (iv->data == NULL)) break;
param->data = (unsigned char*)PORT_Alloc(iv->len);
if (param->data != NULL) {
PORT_Memcpy(param->data,iv->data,iv->len);
param->len = iv->len;
}
break;
/* unknown mechanism, pass IV in if it's there */
default:
if (pk11_lookup(type)->iv == 0) {
break;
}
if ((iv == NULL) || (iv->data == NULL)) {
break;
}
param->data = (unsigned char*)PORT_Alloc(iv->len);
if (param->data != NULL) {
PORT_Memcpy(param->data,iv->data,iv->len);
param->len = iv->len;
}
break;
}
return param;
}
unsigned char *
PK11_IVFromParam(CK_MECHANISM_TYPE type,SECItem *param,int *len)
{
CK_RC2_CBC_PARAMS *rc2_params;
CK_RC5_CBC_PARAMS *rc5_cbc_params;
*len = 0;
switch (type) {
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_RSA_PKCS:
case CKM_RSA_X_509:
case CKM_RSA_9796:
case CKM_IDEA_ECB:
case CKM_CDMF_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
case CKM_RC4:
return NULL;
case CKM_RC2_ECB:
return NULL;
case CKM_RC2_CBC:
case CKM_RC2_CBC_PAD:
rc2_params = (CK_RC2_CBC_PARAMS *)param->data;
*len = sizeof(rc2_params->iv);
return &rc2_params->iv[0];
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
rc5_cbc_params = (CK_RC5_CBC_PARAMS *) param->data;
*len = rc5_cbc_params->ulIvLen;
return rc5_cbc_params->pIv;
case CKM_AES_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CDMF_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CDMF_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
break;
/* unknown mechanism, pass IV in if it's there */
default:
break;
}
if (param->data) {
*len = param->len;
}
return param->data;
}
typedef struct sec_rc5cbcParameterStr {
SECItem version;
SECItem rounds;
SECItem blockSizeInBits;
SECItem iv;
} sec_rc5cbcParameter;
static const SEC_ASN1Template sec_rc5ecb_parameter_template[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(sec_rc5cbcParameter) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,version) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,rounds) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,blockSizeInBits) },
{ 0 }
};
static const SEC_ASN1Template sec_rc5cbc_parameter_template[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(sec_rc5cbcParameter) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,version) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,rounds) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc5cbcParameter,blockSizeInBits) },
{ SEC_ASN1_OCTET_STRING,
offsetof(sec_rc5cbcParameter,iv) },
{ 0 }
};
typedef struct sec_rc2cbcParameterStr {
SECItem rc2ParameterVersion;
SECItem iv;
} sec_rc2cbcParameter;
static const SEC_ASN1Template sec_rc2cbc_parameter_template[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(sec_rc2cbcParameter) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc2cbcParameter,rc2ParameterVersion) },
{ SEC_ASN1_OCTET_STRING,
offsetof(sec_rc2cbcParameter,iv) },
{ 0 }
};
static const SEC_ASN1Template sec_rc2ecb_parameter_template[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(sec_rc2cbcParameter) },
{ SEC_ASN1_INTEGER,
offsetof(sec_rc2cbcParameter,rc2ParameterVersion) },
{ 0 }
};
/* S/MIME picked id values to represent differnt keysizes */
/* I do have a formula, but it ain't pretty, and it only works because you
* can always match three points to a parabola:) */
static unsigned char rc2_map(SECItem *version)
{
long x;
x = DER_GetInteger(version);
switch (x) {
case 58: return 128;
case 120: return 64;
case 160: return 40;
}
return 128;
}
static unsigned long rc2_unmap(unsigned long x)
{
switch (x) {
case 128: return 58;
case 64: return 120;
case 40: return 160;
}
return 58;
}
/* Generate a mechaism param from a type, and iv. */
SECItem *
PK11_ParamFromAlgid(SECAlgorithmID *algid)
{
CK_RC2_CBC_PARAMS *rc2_params = NULL;
CK_RC2_PARAMS *rc2_ecb_params = NULL;
CK_RC5_CBC_PARAMS *rc5_params_cbc;
CK_RC5_PARAMS *rc5_params_ecb;
SECItem iv;
sec_rc2cbcParameter rc2;
sec_rc5cbcParameter rc5;
SECItem *mech;
CK_MECHANISM_TYPE type;
SECOidTag algtag;
SECStatus rv;
algtag = SECOID_GetAlgorithmTag(algid);
type = PK11_AlgtagToMechanism(algtag);
mech = (SECItem *) PORT_Alloc(sizeof(SECItem));
if (mech == NULL) return NULL;
/* handle the complicated cases */
switch (type) {
case CKM_RC2_ECB:
rv = SEC_ASN1DecodeItem(NULL, &rc2 ,sec_rc2ecb_parameter_template,
&(algid->parameters));
if (rv != SECSuccess) {
PORT_Free(mech);
return NULL;
}
rc2_ecb_params = (CK_RC2_PARAMS *)PORT_Alloc(sizeof(CK_RC2_PARAMS));
if (rc2_ecb_params == NULL) {
PORT_Free(rc2.rc2ParameterVersion.data);
PORT_Free(mech);
return NULL;
}
*rc2_ecb_params = rc2_map(&rc2.rc2ParameterVersion);
PORT_Free(rc2.rc2ParameterVersion.data);
mech->data = (unsigned char *) rc2_ecb_params;
mech->len = sizeof(CK_RC2_PARAMS);
return mech;
case CKM_RC2_CBC:
case CKM_RC2_CBC_PAD:
rv = SEC_ASN1DecodeItem(NULL, &rc2 ,sec_rc2cbc_parameter_template,
&(algid->parameters));
if (rv != SECSuccess) {
PORT_Free(mech);
return NULL;
}
rc2_params = (CK_RC2_CBC_PARAMS *)PORT_Alloc(sizeof(CK_RC2_CBC_PARAMS));
if (rc2_params == NULL) {
PORT_Free(rc2.iv.data);
PORT_Free(rc2.rc2ParameterVersion.data);
PORT_Free(mech);
return NULL;
}
rc2_params->ulEffectiveBits = rc2_map(&rc2.rc2ParameterVersion);
PORT_Free(rc2.rc2ParameterVersion.data);
PORT_Memcpy(rc2_params->iv,rc2.iv.data,sizeof(rc2_params->iv));
PORT_Free(rc2.iv.data);
mech->data = (unsigned char *) rc2_params;
mech->len = sizeof(CK_RC2_CBC_PARAMS);
return mech;
case CKM_RC5_ECB:
rv = SEC_ASN1DecodeItem(NULL, &rc5 ,sec_rc5ecb_parameter_template,
&(algid->parameters));
if (rv != SECSuccess) {
PORT_Free(mech);
return NULL;
}
rc5_params_ecb=(CK_RC5_PARAMS *)PORT_Alloc(sizeof(CK_RC5_PARAMS));
PORT_Free(rc5.version.data);
if (rc5_params_ecb == NULL) {
PORT_Free(rc5.rounds.data);
PORT_Free(rc5.blockSizeInBits.data);
PORT_Free(mech);
return NULL;
}
rc5_params_ecb->ulRounds = DER_GetInteger(&rc5.rounds);
rc5_params_ecb->ulWordsize = DER_GetInteger(&rc5.blockSizeInBits)/8;
PORT_Free(rc5.rounds.data);
PORT_Free(rc5.blockSizeInBits.data);
mech->data = (unsigned char *) rc5_params_ecb;
mech->len = sizeof(CK_RC5_PARAMS);
return mech;
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
rv = SEC_ASN1DecodeItem(NULL, &rc5 ,sec_rc5cbc_parameter_template,
&(algid->parameters));
if (rv != SECSuccess) {
PORT_Free(mech);
return NULL;
}
rc5_params_cbc = (CK_RC5_CBC_PARAMS *)
PORT_Alloc(sizeof(CK_RC5_CBC_PARAMS) + rc5.iv.len);
PORT_Free(rc5.version.data);
if (rc2_params == NULL) {
PORT_Free(rc5.iv.data);
PORT_Free(rc5.rounds.data);
PORT_Free(rc5.blockSizeInBits.data);
PORT_Free(mech);
return NULL;
}
rc5_params_cbc->ulRounds = DER_GetInteger(&rc5.rounds);
rc5_params_cbc->ulWordsize = DER_GetInteger(&rc5.blockSizeInBits)/8;
PORT_Free(rc5.rounds.data);
PORT_Free(rc5.blockSizeInBits.data);
rc5_params_cbc->pIv = ((CK_BYTE_PTR)rc5_params_cbc)
+ sizeof(CK_RC5_CBC_PARAMS);
PORT_Memcpy(rc5_params_cbc->pIv,rc5.iv.data,rc5.iv.len);
rc5_params_cbc->ulIvLen = rc5.iv.len;
PORT_Free(rc5.iv.data);
mech->data = (unsigned char *) rc5_params_cbc;
mech->len = sizeof(CK_RC5_CBC_PARAMS);
return mech;
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_PBE_SHA1_DES2_EDE_CBC:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
rv = pbe_PK11AlgidToParam(algid,mech);
if (rv != SECSuccess) {
PORT_Free(mech);
return NULL;
}
return mech;
default:
/* must be a simple case */
break;
}
/* simple cases are simpley Octect encoded IV's */
rv = SEC_ASN1DecodeItem(NULL, &iv, SEC_OctetStringTemplate,
&(algid->parameters));
if (rv != SECSuccess) {
iv.data = NULL;
iv.len = 0;
}
rv = SECSuccess;
switch (type) {
case CKM_RC4:
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_IDEA_ECB:
case CKM_CDMF_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
mech->data = NULL;
mech->len = 0;
break;
default:
if (pk11_lookup(type)->iv == 0) {
mech->data = NULL;
mech->len = 0;
break;
}
case CKM_AES_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CDMF_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_AES_CBC_PAD:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CDMF_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
if (iv.data == NULL) {
rv = SECFailure;
break;
}
mech->data = (unsigned char*)PORT_Alloc(iv.len);
if (mech->data == NULL) {
rv = SECFailure;
break;
}
PORT_Memcpy(mech->data,iv.data,iv.len);
mech->len = iv.len;
break;
}
if (iv.data) PORT_Free(iv.data);
if (rv != SECSuccess) {
SECITEM_FreeItem(mech,PR_TRUE);
return NULL;
}
return mech;
}
SECStatus
PK11_SeedRandom(PK11SlotInfo *slot, unsigned char *data, int len) {
CK_RV crv;
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_SeedRandom(slot->session,data, (CK_ULONG)len);
PK11_ExitSlotMonitor(slot);
return (crv != CKR_OK) ? SECFailure : SECSuccess;
}
/* Attempts to update the Best Slot for "FAKE RANDOM" generation.
** If that's not the internal slot, then it also attempts to update the
** internal slot.
** The return value indicates if the INTERNAL slot was updated OK.
*/
SECStatus
PK11_RandomUpdate(void *data, size_t bytes)
{
PK11SlotInfo *slot;
PRBool bestIsInternal;
SECStatus status;
slot = PK11_GetBestSlot(CKM_FAKE_RANDOM, NULL);
if (slot == NULL) {
slot = PK11_GetInternalSlot();
if (!slot)
return SECFailure;
}
bestIsInternal = PK11_IsInternal(slot);
status = PK11_SeedRandom(slot, data, bytes);
PK11_FreeSlot(slot);
if (!bestIsInternal) {
/* do internal slot, too. */
slot = PK11_GetInternalSlot(); /* can't fail */
status = PK11_SeedRandom(slot, data, bytes);
PK11_FreeSlot(slot);
}
return status;
}
SECStatus
PK11_GenerateRandom(unsigned char *data,int len) {
PK11SlotInfo *slot;
CK_RV crv;
slot = PK11_GetBestSlot(CKM_FAKE_RANDOM,NULL);
if (slot == NULL) return SECFailure;
if (!slot->isInternal) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GenerateRandom(slot->session,data,
(CK_ULONG)len);
if (!slot->isInternal) PK11_ExitSlotMonitor(slot);
PK11_FreeSlot(slot);
return (crv != CKR_OK) ? SECFailure : SECSuccess;
}
/*
* Generate an IV for the given mechanism
*/
static SECStatus
pk11_GenIV(CK_MECHANISM_TYPE type, SECItem *iv) {
int iv_size = PK11_GetIVLength(type);
SECStatus rv;
iv->len = iv_size;
if (iv_size == 0) {
iv->data = NULL;
return SECSuccess;
}
iv->data = (unsigned char *) PORT_Alloc(iv_size);
if (iv->data == NULL) {
iv->len = 0;
return SECFailure;
}
rv = PK11_GenerateRandom(iv->data,iv->len);
if (rv != SECSuccess) {
PORT_Free(iv->data);
iv->data = NULL; iv->len = 0;
return SECFailure;
}
return SECSuccess;
}
/*
* create a new paramter block from the passed in MECHANISM and the
* key. Use Netscape's S/MIME Rules for the New param block.
*/
SECItem *
PK11_GenerateNewParam(CK_MECHANISM_TYPE type, PK11SymKey *key) {
CK_RC2_CBC_PARAMS *rc2_params;
CK_RC2_PARAMS *rc2_ecb_params;
SECItem *mech;
SECItem iv;
SECStatus rv;
mech = (SECItem *) PORT_Alloc(sizeof(SECItem));
if (mech == NULL) return NULL;
rv = SECSuccess;
switch (type) {
case CKM_RC4:
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_IDEA_ECB:
case CKM_CDMF_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
mech->data = NULL;
mech->len = 0;
break;
case CKM_RC2_ECB:
rc2_ecb_params = (CK_RC2_PARAMS *)PORT_Alloc(sizeof(CK_RC2_PARAMS));
if (rc2_ecb_params == NULL) {
rv = SECFailure;
break;
}
/* NOTE PK11_GetKeyLength can return -1 if the key isn't and RC2, RC5,
* or RC4 key. Of course that wouldn't happen here doing RC2:).*/
*rc2_ecb_params = PK11_GetKeyLength(key)*8;
mech->data = (unsigned char *) rc2_ecb_params;
mech->len = sizeof(CK_RC2_PARAMS);
break;
case CKM_RC2_CBC:
case CKM_RC2_CBC_PAD:
rv = pk11_GenIV(type,&iv);
if (rv != SECSuccess) {
break;
}
rc2_params = (CK_RC2_CBC_PARAMS *)PORT_Alloc(sizeof(CK_RC2_CBC_PARAMS));
if (rc2_params == NULL) {
PORT_Free(iv.data);
rv = SECFailure;
break;
}
/* NOTE PK11_GetKeyLength can return -1 if the key isn't and RC2, RC5,
* or RC4 key. Of course that wouldn't happen here doing RC2:).*/
rc2_params->ulEffectiveBits = PK11_GetKeyLength(key)*8;
if (iv.data)
PORT_Memcpy(rc2_params->iv,iv.data,sizeof(rc2_params->iv));
mech->data = (unsigned char *) rc2_params;
mech->len = sizeof(CK_RC2_CBC_PARAMS);
PORT_Free(iv.data);
break;
case CKM_RC5_ECB:
PORT_Free(mech);
return PK11_ParamFromIV(type,NULL);
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
rv = pk11_GenIV(type,&iv);
if (rv != SECSuccess) {
break;
}
PORT_Free(mech);
return PK11_ParamFromIV(type,&iv);
default:
if (pk11_lookup(type)->iv == 0) {
mech->data = NULL;
mech->len = 0;
break;
}
case CKM_AES_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CDMF_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CDMF_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
rv = pk11_GenIV(type,&iv);
if (rv != SECSuccess) {
break;
}
mech->data = (unsigned char*)PORT_Alloc(iv.len);
if (mech->data == NULL) {
PORT_Free(iv.data);
rv = SECFailure;
break;
}
PORT_Memcpy(mech->data,iv.data,iv.len);
mech->len = iv.len;
PORT_Free(iv.data);
break;
}
if (rv != SECSuccess) {
SECITEM_FreeItem(mech,PR_TRUE);
return NULL;
}
return mech;
}
#define RC5_V10 0x10
/* turn a PKCS #11 parameter into a DER Encoded Algorithm ID */
SECStatus
PK11_ParamToAlgid(SECOidTag algTag, SECItem *param,
PRArenaPool *arena, SECAlgorithmID *algid) {
CK_RC2_CBC_PARAMS *rc2_params;
sec_rc2cbcParameter rc2;
CK_RC5_CBC_PARAMS *rc5_params;
sec_rc5cbcParameter rc5;
CK_MECHANISM_TYPE type = PK11_AlgtagToMechanism(algTag);
SECItem *newParams = NULL;
SECStatus rv = SECFailure;
unsigned long rc2version;
rv = SECSuccess;
switch (type) {
case CKM_RC4:
case CKM_AES_ECB:
case CKM_DES_ECB:
case CKM_DES3_ECB:
case CKM_IDEA_ECB:
case CKM_CDMF_ECB:
case CKM_CAST_ECB:
case CKM_CAST3_ECB:
case CKM_CAST5_ECB:
newParams = NULL;
rv = SECSuccess;
break;
case CKM_RC2_ECB:
break;
case CKM_RC2_CBC:
case CKM_RC2_CBC_PAD:
rc2_params = (CK_RC2_CBC_PARAMS *)param->data;
rc2version = rc2_unmap(rc2_params->ulEffectiveBits);
if (SEC_ASN1EncodeUnsignedInteger (NULL, &(rc2.rc2ParameterVersion),
rc2version) == NULL)
break;
rc2.iv.data = rc2_params->iv;
rc2.iv.len = sizeof(rc2_params->iv);
newParams = SEC_ASN1EncodeItem (NULL, NULL, &rc2,
sec_rc2cbc_parameter_template);
PORT_Free(rc2.rc2ParameterVersion.data);
if (newParams == NULL)
break;
rv = SECSuccess;
break;
case CKM_RC5_ECB: /* well not really... */
break;
case CKM_RC5_CBC:
case CKM_RC5_CBC_PAD:
rc5_params = (CK_RC5_CBC_PARAMS *)param->data;
if (SEC_ASN1EncodeUnsignedInteger (NULL, &rc5.version, RC5_V10) == NULL)
break;
if (SEC_ASN1EncodeUnsignedInteger (NULL, &rc5.blockSizeInBits,
rc5_params->ulWordsize*8) == NULL) {
PORT_Free(rc5.version.data);
break;
}
if (SEC_ASN1EncodeUnsignedInteger (NULL, &rc5.rounds,
rc5_params->ulWordsize*8) == NULL) {
PORT_Free(rc5.blockSizeInBits.data);
PORT_Free(rc5.version.data);
break;
}
rc5.iv.data = rc5_params->pIv;
rc5.iv.len = rc5_params->ulIvLen;
newParams = SEC_ASN1EncodeItem (NULL, NULL, &rc5,
sec_rc5cbc_parameter_template);
PORT_Free(rc5.version.data);
PORT_Free(rc5.blockSizeInBits.data);
PORT_Free(rc5.rounds.data);
if (newParams == NULL)
break;
rv = SECSuccess;
break;
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_DES2_EDE_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
case CKM_PBE_SHA1_RC2_128_CBC:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
return PBE_PK11ParamToAlgid(algTag, param, arena, algid);
default:
if (pk11_lookup(type)->iv == 0) {
rv = SECSuccess;
newParams = NULL;
break;
}
case CKM_AES_CBC:
case CKM_DES_CBC:
case CKM_DES3_CBC:
case CKM_IDEA_CBC:
case CKM_CDMF_CBC:
case CKM_CAST_CBC:
case CKM_CAST3_CBC:
case CKM_CAST5_CBC:
case CKM_DES_CBC_PAD:
case CKM_DES3_CBC_PAD:
case CKM_IDEA_CBC_PAD:
case CKM_CDMF_CBC_PAD:
case CKM_CAST_CBC_PAD:
case CKM_CAST3_CBC_PAD:
case CKM_CAST5_CBC_PAD:
case CKM_SKIPJACK_CBC64:
case CKM_SKIPJACK_ECB64:
case CKM_SKIPJACK_OFB64:
case CKM_SKIPJACK_CFB64:
case CKM_SKIPJACK_CFB32:
case CKM_SKIPJACK_CFB16:
case CKM_SKIPJACK_CFB8:
case CKM_BATON_ECB128:
case CKM_BATON_ECB96:
case CKM_BATON_CBC128:
case CKM_BATON_COUNTER:
case CKM_BATON_SHUFFLE:
case CKM_JUNIPER_ECB128:
case CKM_JUNIPER_CBC128:
case CKM_JUNIPER_COUNTER:
case CKM_JUNIPER_SHUFFLE:
newParams = SEC_ASN1EncodeItem(NULL,NULL,param,
SEC_OctetStringTemplate);
rv = SECSuccess;
break;
}
if (rv != SECSuccess) {
if (newParams) SECITEM_FreeItem(newParams,PR_TRUE);
return rv;
}
rv = SECOID_SetAlgorithmID(arena, algid, algTag, newParams);
SECITEM_FreeItem(newParams,PR_TRUE);
return rv;
}
/* turn an OID algorithm tag into a PKCS #11 mechanism. This allows us to
* map OID's directly into the PKCS #11 mechanism we want to call. We find
* this mapping in our standard OID table */
CK_MECHANISM_TYPE
PK11_AlgtagToMechanism(SECOidTag algTag) {
SECOidData *oid = SECOID_FindOIDByTag(algTag);
if (oid) return (CK_MECHANISM_TYPE) oid->mechanism;
return CKM_INVALID_MECHANISM;
}
/* turn a mechanism into an oid. */
SECOidTag
PK11_MechanismToAlgtag(CK_MECHANISM_TYPE type) {
SECOidData *oid = SECOID_FindOIDByMechanism((unsigned long)type);
if (oid) return oid->offset;
return SEC_OID_UNKNOWN;
}
/* Determine appropriate blocking mechanism, used when wrapping private keys
* which require PKCS padding. If the mechanism does not map to a padding
* mechanism, we simply return the mechanism.
*/
CK_MECHANISM_TYPE
PK11_GetPadMechanism(CK_MECHANISM_TYPE type) {
switch(type) {
case CKM_AES_CBC:
return CKM_AES_CBC_PAD;
case CKM_DES_CBC:
return CKM_DES_CBC_PAD;
case CKM_DES3_CBC:
return CKM_DES3_CBC_PAD;
case CKM_RC2_CBC:
return CKM_RC2_CBC_PAD;
case CKM_CDMF_CBC:
return CKM_CDMF_CBC_PAD;
case CKM_CAST_CBC:
return CKM_CAST_CBC_PAD;
case CKM_CAST3_CBC:
return CKM_CAST3_CBC_PAD;
case CKM_CAST5_CBC:
return CKM_CAST5_CBC_PAD;
case CKM_RC5_CBC:
return CKM_RC5_CBC_PAD;
case CKM_IDEA_CBC:
return CKM_IDEA_CBC_PAD;
default:
break;
}
return type;
}
/*
* Build a block big enough to hold the data
*/
SECItem *
PK11_BlockData(SECItem *data,unsigned long size) {
SECItem *newData;
newData = (SECItem *)PORT_Alloc(sizeof(SECItem));
if (newData == NULL) return NULL;
newData->len = (data->len + (size-1))/size;
newData->len *= size;
newData->data = (unsigned char *) PORT_ZAlloc(newData->len);
if (newData->data == NULL) {
PORT_Free(newData);
return NULL;
}
PORT_Memset(newData->data,newData->len-data->len,newData->len);
PORT_Memcpy(newData->data,data->data,data->len);
return newData;
}
SECStatus
PK11_DestroyObject(PK11SlotInfo *slot,CK_OBJECT_HANDLE object) {
CK_RV crv;
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_DestroyObject(slot->session,object);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
return SECFailure;
}
return SECSuccess;
}
SECStatus
PK11_DestroyTokenObject(PK11SlotInfo *slot,CK_OBJECT_HANDLE object) {
CK_RV crv;
SECStatus rv = SECSuccess;
CK_SESSION_HANDLE rwsession;
rwsession = PK11_GetRWSession(slot);
crv = PK11_GETTAB(slot)->C_DestroyObject(rwsession,object);
if (crv != CKR_OK) {
rv = SECFailure;
PORT_SetError(PK11_MapError(crv));
}
PK11_RestoreROSession(slot,rwsession);
return rv;
}
/*
* Read in a single attribute into a SECItem. Allocate space for it with
* PORT_Alloc unless an arena is supplied. In the latter case use the arena
* to allocate the space.
*/
SECStatus
PK11_ReadAttribute(PK11SlotInfo *slot, CK_OBJECT_HANDLE id,
CK_ATTRIBUTE_TYPE type, PRArenaPool *arena, SECItem *result) {
CK_ATTRIBUTE attr = { 0, NULL, 0 };
CK_RV crv;
attr.type = type;
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetAttributeValue(slot->session,id,&attr,1);
if (crv != CKR_OK) {
PK11_ExitSlotMonitor(slot);
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
if (arena) {
attr.pValue = PORT_ArenaAlloc(arena,attr.ulValueLen);
} else {
attr.pValue = PORT_Alloc(attr.ulValueLen);
}
if (attr.pValue == NULL) return SECFailure;
crv = PK11_GETTAB(slot)->C_GetAttributeValue(slot->session,id,&attr,1);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
if (!arena) PORT_Free(attr.pValue);
return SECFailure;
}
result->data = (unsigned char*)attr.pValue;
result->len = attr.ulValueLen;
return SECSuccess;
}
/*
* Read in a single attribute into As a Ulong.
*/
CK_ULONG
PK11_ReadULongAttribute(PK11SlotInfo *slot, CK_OBJECT_HANDLE id,
CK_ATTRIBUTE_TYPE type) {
CK_ATTRIBUTE attr;
CK_ULONG value = CK_UNAVAILABLE_INFORMATION;
CK_RV crv;
PK11_SETATTRS(&attr,type,&value,sizeof(value));
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetAttributeValue(slot->session,id,&attr,1);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
}
return value;
}
/*
* check to see if a bool has been set.
*/
CK_BBOOL
PK11_HasAttributeSet( PK11SlotInfo *slot, CK_OBJECT_HANDLE id,
CK_ATTRIBUTE_TYPE type )
{
CK_BBOOL ckvalue = CK_FALSE;
CK_ATTRIBUTE theTemplate;
CK_RV crv;
/* Prepare to retrieve the attribute. */
PK11_SETATTRS( &theTemplate, type, &ckvalue, sizeof( CK_BBOOL ) );
/* Retrieve attribute value. */
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB( slot )->C_GetAttributeValue( slot->session, id,
&theTemplate, 1 );
PK11_ExitSlotMonitor(slot);
if( crv != CKR_OK ) {
PORT_SetError( PK11_MapError( crv ) );
return CK_FALSE;
}
return ckvalue;
}
/*
* returns a full list of attributes. Allocate space for them. If an arena is
* provided, allocate space out of the arena.
*/
CK_RV
PK11_GetAttributes(PRArenaPool *arena,PK11SlotInfo *slot,
CK_OBJECT_HANDLE obj,CK_ATTRIBUTE *attr, int count)
{
int i;
/* make pedantic happy... note that it's only used arena != NULL */
void *mark = NULL;
CK_RV crv;
/*
* first get all the lengths of the parameters.
*/
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetAttributeValue(slot->session,obj,attr,count);
if (crv != CKR_OK) {
PK11_ExitSlotMonitor(slot);
return crv;
}
if (arena) {
mark = PORT_ArenaMark(arena);
if (mark == NULL) return CKR_HOST_MEMORY;
}
/*
* now allocate space to store the results.
*/
for (i=0; i < count; i++) {
if (arena) {
attr[i].pValue = PORT_ArenaAlloc(arena,attr[i].ulValueLen);
if (attr[i].pValue == NULL) {
/* arena failures, just release the mark */
PORT_ArenaRelease(arena,mark);
PK11_ExitSlotMonitor(slot);
return CKR_HOST_MEMORY;
}
} else {
attr[i].pValue = PORT_Alloc(attr[i].ulValueLen);
if (attr[i].pValue == NULL) {
/* Separate malloc failures, loop to release what we have
* so far */
int j;
for (j= 0; j < i; j++) {
PORT_Free(attr[j].pValue);
/* don't give the caller pointers to freed memory */
attr[j].pValue = NULL;
}
PK11_ExitSlotMonitor(slot);
return CKR_HOST_MEMORY;
}
}
}
/*
* finally get the results.
*/
crv = PK11_GETTAB(slot)->C_GetAttributeValue(slot->session,obj,attr,count);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
if (arena) {
PORT_ArenaRelease(arena,mark);
} else {
for (i= 0; i < count; i++) {
PORT_Free(attr[i].pValue);
/* don't give the caller pointers to freed memory */
attr[i].pValue = NULL;
}
}
} else if (arena && mark) {
PORT_ArenaUnmark(arena,mark);
}
return crv;
}
/*
* Reset the token to it's initial state. For the internal module, this will
* Purge your keydb, and reset your cert db certs to USER_INIT.
*/
SECStatus
PK11_ResetToken(PK11SlotInfo *slot, char *sso_pwd)
{
unsigned char tokenName[32];
int tokenNameLen;
CK_RV crv;
/* reconstruct the token name */
tokenNameLen = PORT_Strlen(slot->token_name);
if (tokenNameLen > sizeof(tokenName)) {
tokenNameLen = sizeof(tokenName);
}
PORT_Memcpy(tokenName,slot->token_name,tokenNameLen);
if (tokenNameLen < sizeof(tokenName)) {
PORT_Memset(&tokenName[tokenNameLen],' ',
sizeof(tokenName)-tokenNameLen);
}
/* initialize the token */
PK11_EnterSlotMonitor(slot);
/* first shutdown the token. Existing sessions will get closed here */
PK11_GETTAB(slot)->C_CloseAllSessions(slot->slotID);
slot->session = CK_INVALID_SESSION;
/* now re-init the token */
crv = PK11_GETTAB(slot)->C_InitToken(slot->slotID,
(unsigned char *)sso_pwd, sso_pwd ? PORT_Strlen(sso_pwd): 0, tokenName);
/* finally bring the token back up */
PK11_InitToken(slot,PR_TRUE);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
static PRBool
pk11_isAllZero(unsigned char *data,int len) {
while (len--) {
if (*data++) {
return PR_FALSE;
}
}
return PR_TRUE;
}
CK_RV
PK11_MapPBEMechanismToCryptoMechanism(CK_MECHANISM_PTR pPBEMechanism,
CK_MECHANISM_PTR pCryptoMechanism,
SECItem *pbe_pwd, PRBool faulty3DES)
{
int iv_len = 0;
CK_PBE_PARAMS_PTR pPBEparams;
CK_RC2_CBC_PARAMS_PTR rc2_params;
CK_ULONG rc2_key_len;
if((pPBEMechanism == CK_NULL_PTR) || (pCryptoMechanism == CK_NULL_PTR)) {
return CKR_HOST_MEMORY;
}
pPBEparams = (CK_PBE_PARAMS_PTR)pPBEMechanism->pParameter;
iv_len = PK11_GetIVLength(pPBEMechanism->mechanism);
if (iv_len) {
if (pk11_isAllZero(pPBEparams->pInitVector,iv_len)) {
SECItem param;
PK11SymKey *symKey;
param.data = pPBEMechanism->pParameter;
param.len = pPBEMechanism->ulParameterLen;
symKey = PK11_RawPBEKeyGen(PK11_GetInternalSlot(),
pPBEMechanism->mechanism, &param, pbe_pwd, faulty3DES, NULL);
if (symKey== NULL) {
return CKR_DEVICE_ERROR; /* sigh */
}
PK11_FreeSymKey(symKey);
}
}
switch(pPBEMechanism->mechanism) {
case CKM_PBE_MD2_DES_CBC:
case CKM_PBE_MD5_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_DES_CBC:
pCryptoMechanism->mechanism = CKM_DES_CBC;
goto have_crypto_mechanism;
case CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC:
case CKM_NETSCAPE_PBE_SHA1_FAULTY_3DES_CBC:
case CKM_PBE_SHA1_DES3_EDE_CBC:
case CKM_PBE_SHA1_DES2_EDE_CBC:
pCryptoMechanism->mechanism = CKM_DES3_CBC;
have_crypto_mechanism:
pCryptoMechanism->pParameter = PORT_Alloc(iv_len);
pCryptoMechanism->ulParameterLen = (CK_ULONG)iv_len;
if(pCryptoMechanism->pParameter == NULL) {
return CKR_HOST_MEMORY;
}
PORT_Memcpy((unsigned char *)(pCryptoMechanism->pParameter),
(unsigned char *)(pPBEparams->pInitVector),
iv_len);
break;
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC4:
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC4:
case CKM_PBE_SHA1_RC4_40:
case CKM_PBE_SHA1_RC4_128:
pCryptoMechanism->mechanism = CKM_RC4;
pCryptoMechanism->ulParameterLen = 0;
pCryptoMechanism->pParameter = CK_NULL_PTR;
break;
case CKM_NETSCAPE_PBE_SHA1_40_BIT_RC2_CBC:
case CKM_PBE_SHA1_RC2_40_CBC:
rc2_key_len = 40;
goto have_key_len;
case CKM_NETSCAPE_PBE_SHA1_128_BIT_RC2_CBC:
rc2_key_len = 128;
have_key_len:
pCryptoMechanism->mechanism = CKM_RC2_CBC;
pCryptoMechanism->ulParameterLen = (CK_ULONG)
sizeof(CK_RC2_CBC_PARAMS);
pCryptoMechanism->pParameter = (CK_RC2_CBC_PARAMS_PTR)
PORT_ZAlloc(sizeof(CK_RC2_CBC_PARAMS));
if(pCryptoMechanism->pParameter == NULL) {
return CKR_HOST_MEMORY;
}
rc2_params = (CK_RC2_CBC_PARAMS_PTR)pCryptoMechanism->pParameter;
PORT_Memcpy((unsigned char *)rc2_params->iv,
(unsigned char *)pPBEparams->pInitVector,
iv_len);
rc2_params->ulEffectiveBits = rc2_key_len;
break;
default:
return CKR_MECHANISM_INVALID;
}
return CKR_OK;
}
PRBool
PK11_IsPermObject(PK11SlotInfo *slot, CK_OBJECT_HANDLE handle)
{
return (PRBool) PK11_HasAttributeSet(slot, handle, CKA_TOKEN);
}
char *
PK11_GetObjectNickname(PK11SlotInfo *slot, CK_OBJECT_HANDLE id)
{
char *nickname = NULL;
SECItem result;
SECStatus rv;
rv = PK11_ReadAttribute(slot,id,CKA_LABEL,NULL,&result);
if (rv != SECSuccess) {
return NULL;
}
nickname = PORT_ZAlloc(result.len);
if (nickname == NULL) {
PORT_Free(result.data);
return NULL;
}
PORT_Memcpy(nickname, result.data, result.len);
PORT_Free(result.data);
return nickname;
}
SECStatus
PK11_SetObjectNickname(PK11SlotInfo *slot, CK_OBJECT_HANDLE id,
const char *nickname)
{
int len = PORT_Strlen(nickname)-1;
CK_ATTRIBUTE setTemplate;
CK_RV crv;
if (len < 0) {
return SECFailure;
}
PK11_SETATTRS(&setTemplate, CKA_LABEL, (CK_CHAR *) nickname, len);
PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_SetAttributeValue(slot->session, id,
&setTemplate, 1);
PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PK11_ExitSlotMonitor(slot);
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
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