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RetroZilla/security/nss/lib/pk11wrap/pk11slot.c
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dr Vipul Gupta <vipul.gupta@sun.com>, Sun Microsystems Laboratories
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Deal with PKCS #11 Slots.
*/
#include "seccomon.h"
#include "secmod.h"
#include "nssilock.h"
#include "secmodi.h"
#include "secmodti.h"
#include "pkcs11t.h"
#include "pk11func.h"
#include "secitem.h"
#include "secerr.h"
#include "dev.h"
#include "dev3hack.h"
#include "pkim.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 },
{ "Camellia", SECMOD_CAMELLIA_FLAG, CKM_CAMELLIA_CBC },
{ "SEED", SECMOD_SEED_FLAG, CKM_SEED_CBC },
{ "RC5", SECMOD_RC5_FLAG, CKM_RC5_CBC },
{ "SHA-1", SECMOD_SHA1_FLAG, CKM_SHA_1 },
{ "SHA256", SECMOD_SHA256_FLAG, CKM_SHA256 },
/* { "SHA384", SECMOD_SHA512_FLAG, CKM_SHA384 }, */
{ "SHA512", SECMOD_SHA512_FLAG, CKM_SHA512 },
{ "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 },
};
const int num_pk11_default_mechanisms =
sizeof(PK11_DefaultArray) / sizeof(PK11_DefaultArray[0]);
PK11DefaultArrayEntry *
PK11_GetDefaultArray(int *size)
{
if (size) {
*size = num_pk11_default_mechanisms;
}
return PK11_DefaultArray;
}
/*
* These slotlists are lists of modules which provide default support for
* a given algorithm or mechanism.
*/
static PK11SlotList
pk11_seedSlotList,
pk11_camelliaSlotList,
pk11_aesSlotList,
pk11_desSlotList,
pk11_rc4SlotList,
pk11_rc2SlotList,
pk11_rc5SlotList,
pk11_sha1SlotList,
pk11_md5SlotList,
pk11_md2SlotList,
pk11_rsaSlotList,
pk11_dsaSlotList,
pk11_dhSlotList,
pk11_ecSlotList,
pk11_ideaSlotList,
pk11_sslSlotList,
pk11_tlsSlotList,
pk11_randomSlotList,
pk11_sha256SlotList,
pk11_sha512SlotList; /* slots do SHA512 and SHA384 */
/************************************************************
* 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;
list->lock = PZ_NewLock(nssILockList);
if (list->lock == NULL) {
PORT_Free(list);
return NULL;
}
return list;
}
/*
* free a list element when all the references go away.
*/
SECStatus
PK11_FreeSlotListElement(PK11SlotList *list, PK11SlotListElement *le)
{
PRBool freeit = PR_FALSE;
if (list == NULL || le == NULL) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
PZ_Lock(list->lock);
if (le->refCount-- == 1) {
freeit = PR_TRUE;
}
PZ_Unlock(list->lock);
if (freeit) {
PK11_FreeSlot(le->slot);
PORT_Free(le);
}
return SECSuccess;
}
static void
pk11_FreeSlotListStatic(PK11SlotList *list)
{
PK11SlotListElement *le, *next ;
if (list == NULL) return;
for (le = list->head ; le; le = next) {
next = le->next;
PK11_FreeSlotListElement(list,le);
}
if (list->lock) {
PZ_DestroyLock(list->lock);
}
list->lock = NULL;
list->head = NULL;
}
/*
* if we are freeing the list, we must be the only ones with a pointer
* to the list.
*/
void
PK11_FreeSlotList(PK11SlotList *list)
{
pk11_FreeSlotListStatic(list);
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;
PZ_Lock(list->lock);
if (list->head) list->head->prev = le; else list->tail = le;
le->next = list->head;
list->head = le;
PZ_Unlock(list->lock);
return SECSuccess;
}
/*
* remove a slot entry from the list
*/
SECStatus
PK11_DeleteSlotFromList(PK11SlotList *list,PK11SlotListElement *le)
{
PZ_Lock(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;
PZ_Unlock(list->lock);
PK11_FreeSlotListElement(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_FreeSlotListElement(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;
PZ_Lock(list->lock);
le = list->head;
if (le != NULL) (le)->refCount++;
PZ_Unlock(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;
PZ_Lock(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++;
PZ_Unlock(list->lock);
PK11_FreeSlotListElement(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(SECMODModule *mod)
{
PK11SlotInfo *slot;
slot = (PK11SlotInfo *)PORT_Alloc(sizeof(PK11SlotInfo));
if (slot == NULL) return slot;
slot->sessionLock = mod->isThreadSafe ?
PZ_NewLock(nssILockSession) : mod->refLock;
if (slot->sessionLock == NULL) {
PORT_Free(slot);
return NULL;
}
slot->freeListLock = PZ_NewLock(nssILockFreelist);
if (slot->freeListLock == NULL) {
if (mod->isThreadSafe) {
PZ_DestroyLock(slot->sessionLock);
}
PORT_Free(slot);
return NULL;
}
slot->freeSymKeysWithSessionHead = NULL;
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 = 1;
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->protectedAuthPath = 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;
slot->nssToken = NULL;
return slot;
}
/* create a new reference to a slot so it doesn't go away */
PK11SlotInfo *
PK11_ReferenceSlot(PK11SlotInfo *slot)
{
PR_AtomicIncrement(&slot->refCount);
return slot;
}
/* Destroy all info on a slot we have built up */
void
PK11_DestroySlot(PK11SlotInfo *slot)
{
/* free up the cached keys and sessions */
PK11_CleanKeyList(slot);
/* free up all the sessions on this slot */
if (slot->functionList) {
PK11_GETTAB(slot)->C_CloseAllSessions(slot->slotID);
}
if (slot->mechanismList) {
PORT_Free(slot->mechanismList);
}
if (slot->isThreadSafe && slot->sessionLock) {
PZ_DestroyLock(slot->sessionLock);
}
slot->sessionLock = NULL;
if (slot->freeListLock) {
PZ_DestroyLock(slot->freeListLock);
slot->freeListLock = NULL;
}
/* finally Tell our parent module that we've gone away so it can unload */
if (slot->module) {
SECMOD_SlotDestroyModule(slot->module,PR_TRUE);
}
/* 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)
{
if (PR_AtomicDecrement(&slot->refCount) == 0) {
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;
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.
***********************************************************/
PK11SlotList *
PK11_FindSlotsByNames(const char *dllName, const char* slotName,
const char* tokenName, PRBool presentOnly)
{
SECMODModuleList *mlp;
SECMODModuleList *modules = SECMOD_GetDefaultModuleList();
SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
int i;
PK11SlotList* slotList = NULL;
PRUint32 slotcount = 0;
SECStatus rv = SECSuccess;
slotList = PK11_NewSlotList();
if (!slotList) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
if ( ((NULL == dllName) || (0 == *dllName)) &&
((NULL == slotName) || (0 == *slotName)) &&
((NULL == tokenName) || (0 == *tokenName)) ) {
/* default to softoken */
PK11_AddSlotToList(slotList, PK11_GetInternalKeySlot());
return slotList;
}
/* work through all the slots */
SECMOD_GetReadLock(moduleLock);
for (mlp = modules; mlp != NULL; mlp = mlp->next) {
PORT_Assert(mlp->module);
if (!mlp->module) {
rv = SECFailure;
break;
}
if ((!dllName) || (mlp->module->dllName &&
(0 == PORT_Strcmp(mlp->module->dllName, dllName)))) {
for (i=0; i < mlp->module->slotCount; i++) {
PK11SlotInfo *tmpSlot = (mlp->module->slots?mlp->module->slots[i]:NULL);
PORT_Assert(tmpSlot);
if (!tmpSlot) {
rv = SECFailure;
break;
}
if ((PR_FALSE == presentOnly || PK11_IsPresent(tmpSlot)) &&
( (!tokenName) || (tmpSlot->token_name &&
(0==PORT_Strcmp(tmpSlot->token_name, tokenName)))) &&
( (!slotName) || (tmpSlot->slot_name &&
(0==PORT_Strcmp(tmpSlot->slot_name, slotName)))) ) {
if (tmpSlot) {
PK11_AddSlotToList(slotList, tmpSlot);
slotcount++;
}
}
}
}
}
SECMOD_ReleaseReadLock(moduleLock);
if ( (0 == slotcount) || (SECFailure == rv) ) {
PORT_SetError(SEC_ERROR_NO_TOKEN);
PK11_FreeSlotList(slotList);
slotList = NULL;
}
if (SECFailure == rv) {
PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
}
return slotList;
}
PK11SlotInfo *
PK11_FindSlotByName(const 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;
}
/*
* 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;
PRBool haveMonitor = PR_FALSE;
if (!slot->isThreadSafe || slot->defRWSession) {
PK11_EnterSlotMonitor(slot);
haveMonitor = PR_TRUE;
}
if (slot->defRWSession) {
PORT_Assert(slot->session != CK_INVALID_SESSION);
if (slot->session != CK_INVALID_SESSION)
return slot->session;
}
crv = PK11_GETTAB(slot)->C_OpenSession(slot->slotID,
CKF_RW_SESSION|CKF_SERIAL_SESSION,
slot, pk11_notify,&rwsession);
PORT_Assert(rwsession != CK_INVALID_SESSION || crv != CKR_OK);
if (crv != CKR_OK || rwsession == CK_INVALID_SESSION) {
if (crv == CKR_OK)
crv = CKR_DEVICE_ERROR;
if (haveMonitor)
PK11_ExitSlotMonitor(slot);
PORT_SetError(PK11_MapError(crv));
return CK_INVALID_SESSION;
}
if (slot->defRWSession) { /* we have the monitor */
slot->session = rwsession;
}
return rwsession;
}
PRBool
PK11_RWSessionHasLock(PK11SlotInfo *slot,CK_SESSION_HANDLE session_handle)
{
PRBool hasLock;
hasLock = (PRBool)(!slot->isThreadSafe ||
(slot->defRWSession && slot->session != CK_INVALID_SESSION));
return hasLock;
}
static PRBool
pk11_RWSessionIsDefault(PK11SlotInfo *slot,CK_SESSION_HANDLE rwsession)
{
PRBool isDefault;
isDefault = (PRBool)(slot->session == rwsession &&
slot->defRWSession &&
slot->session != CK_INVALID_SESSION);
return isDefault;
}
/*
* 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)
{
PORT_Assert(rwsession != CK_INVALID_SESSION);
if (rwsession != CK_INVALID_SESSION) {
PRBool doExit = PK11_RWSessionHasLock(slot, rwsession);
if (!pk11_RWSessionIsDefault(slot, rwsession))
PK11_GETTAB(slot)->C_CloseSession(rwsession);
if (doExit)
PK11_ExitSlotMonitor(slot);
}
}
/************************************************************
* Manage the built-In Slot Lists
************************************************************/
/* Init the static built int slot list (should actually integrate
* with PK11_NewSlotList */
static void
pk11_InitSlotListStatic(PK11SlotList *list)
{
list->lock = PZ_NewLock(nssILockList);
list->head = NULL;
}
/* initialize the system slotlists */
SECStatus
PK11_InitSlotLists(void)
{
pk11_InitSlotListStatic(&pk11_seedSlotList);
pk11_InitSlotListStatic(&pk11_camelliaSlotList);
pk11_InitSlotListStatic(&pk11_aesSlotList);
pk11_InitSlotListStatic(&pk11_desSlotList);
pk11_InitSlotListStatic(&pk11_rc4SlotList);
pk11_InitSlotListStatic(&pk11_rc2SlotList);
pk11_InitSlotListStatic(&pk11_rc5SlotList);
pk11_InitSlotListStatic(&pk11_md5SlotList);
pk11_InitSlotListStatic(&pk11_md2SlotList);
pk11_InitSlotListStatic(&pk11_sha1SlotList);
pk11_InitSlotListStatic(&pk11_rsaSlotList);
pk11_InitSlotListStatic(&pk11_dsaSlotList);
pk11_InitSlotListStatic(&pk11_dhSlotList);
pk11_InitSlotListStatic(&pk11_ecSlotList);
pk11_InitSlotListStatic(&pk11_ideaSlotList);
pk11_InitSlotListStatic(&pk11_sslSlotList);
pk11_InitSlotListStatic(&pk11_tlsSlotList);
pk11_InitSlotListStatic(&pk11_randomSlotList);
pk11_InitSlotListStatic(&pk11_sha256SlotList);
pk11_InitSlotListStatic(&pk11_sha512SlotList);
return SECSuccess;
}
void
PK11_DestroySlotLists(void)
{
pk11_FreeSlotListStatic(&pk11_seedSlotList);
pk11_FreeSlotListStatic(&pk11_camelliaSlotList);
pk11_FreeSlotListStatic(&pk11_aesSlotList);
pk11_FreeSlotListStatic(&pk11_desSlotList);
pk11_FreeSlotListStatic(&pk11_rc4SlotList);
pk11_FreeSlotListStatic(&pk11_rc2SlotList);
pk11_FreeSlotListStatic(&pk11_rc5SlotList);
pk11_FreeSlotListStatic(&pk11_md5SlotList);
pk11_FreeSlotListStatic(&pk11_md2SlotList);
pk11_FreeSlotListStatic(&pk11_sha1SlotList);
pk11_FreeSlotListStatic(&pk11_rsaSlotList);
pk11_FreeSlotListStatic(&pk11_dsaSlotList);
pk11_FreeSlotListStatic(&pk11_dhSlotList);
pk11_FreeSlotListStatic(&pk11_ecSlotList);
pk11_FreeSlotListStatic(&pk11_ideaSlotList);
pk11_FreeSlotListStatic(&pk11_sslSlotList);
pk11_FreeSlotListStatic(&pk11_tlsSlotList);
pk11_FreeSlotListStatic(&pk11_randomSlotList);
pk11_FreeSlotListStatic(&pk11_sha256SlotList);
pk11_FreeSlotListStatic(&pk11_sha512SlotList);
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_SEED_CBC:
case CKM_SEED_ECB:
return &pk11_seedSlotList;
case CKM_CAMELLIA_CBC:
case CKM_CAMELLIA_ECB:
return &pk11_camelliaSlotList;
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_SHA256:
return &pk11_sha256SlotList;
case CKM_SHA384:
case CKM_SHA512:
return &pk11_sha512SlotList;
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_ECDSA:
case CKM_ECDSA_SHA1:
case CKM_EC_KEY_PAIR_GEN: /* aka CKM_ECDSA_KEY_PAIR_GEN */
case CKM_ECDH1_DERIVE:
return &pk11_ecSlotList;
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 < num_pk11_default_mechanisms; 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 < num_pk11_default_mechanisms; 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_FreeSlotListElement(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;
}
/*
* Reads in the slots mechanism list for later use
*/
SECStatus
PK11_ReadMechanismList(PK11SlotInfo *slot)
{
CK_ULONG count;
CK_RV crv;
PRUint32 i;
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;
PORT_Memset(slot->mechanismBits, 0, sizeof(slot->mechanismBits));
for (i=0; i < count; i++) {
CK_MECHANISM_TYPE mech = slot->mechanismList[i];
if (mech < 0x7ff) {
slot->mechanismBits[mech & 0xff] |= 1 << (mech >> 8);
}
}
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;
PRStatus status;
/* 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);
slot->protectedAuthPath =
((tokenInfo.flags & CKF_PROTECTED_AUTHENTICATION_PATH)
? PR_TRUE : PR_FALSE);
slot->lastLoginCheck = 0;
slot->lastState = 0;
/* on some platforms Active Card incorrectly sets the
* CKF_PROTECTED_AUTHENTICATION_PATH bit when it doesn't mean to. */
if (slot->isActiveCard) {
slot->protectedAuthPath = 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));
nssToken_UpdateName(slot->nssToken);
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);
}
status = nssToken_Refresh(slot->nssToken);
if (status != PR_SUCCESS)
return SECFailure;
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);
crv = PK11_GETTAB(slot)->C_SeedRandom(slot->session,
random_bytes, sizeof(random_bytes));
PK11_ExitSlotMonitor(slot);
}
PK11_FreeSlot(int_slot);
}
}
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_TokenRefresh(PK11SlotInfo *slot)
{
CK_TOKEN_INFO tokenInfo;
CK_RV crv;
/* 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;
}
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);
slot->protectedAuthPath =
((tokenInfo.flags & CKF_PROTECTED_AUTHENTICATION_PATH)
? PR_TRUE : PR_FALSE);
/* on some platforms Active Card incorrectly sets the
* CKF_PROTECTED_AUTHENTICATION_PATH bit when it doesn't mean to. */
if (slot->isActiveCard) {
slot->protectedAuthPath = PR_FALSE;
}
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);
#define ACTIVE_CARD "ActivCard SA"
slot->isActiveCard = (PRBool)(PORT_Strncmp((char *)slotInfo.manufacturerID,
ACTIVE_CARD, sizeof(ACTIVE_CARD)-1) == 0);
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 (rv == SECSuccess && 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;
}
if (slot->nssToken) {
return nssToken_IsPresent(slot->nssToken);
}
/* 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;
}
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) {
if (slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
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);
}
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 attached to */
SECMODModule *
PK11_GetModule(PK11SlotInfo *slot)
{
return slot->module;
}
/* return the default flags of a slot */
unsigned long
PK11_GetDefaultFlags(PK11SlotInfo *slot)
{
return slot->defaultFlags;
}
/*
* 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_IsRemovable(PK11SlotInfo *slot)
{
return !slot->isPerm;
}
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;
}
static void
pk11_zeroTerminatedToBlankPadded(CK_CHAR *buffer, size_t buffer_size)
{
CK_CHAR *walk = buffer;
CK_CHAR *end = buffer + buffer_size;
/* find the NULL */
while (walk < end && *walk != '\0') {
walk++;
}
/* clear out the buffer */
while (walk < end) {
*walk++ = ' ';
}
}
/* return the slot info structure */
SECStatus
PK11_GetSlotInfo(PK11SlotInfo *slot, CK_SLOT_INFO *info)
{
CK_RV crv;
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
/*
* some buggy drivers do not fill the buffer completely,
* erase the buffer first
*/
PORT_Memset(info->slotDescription,' ',sizeof(info->slotDescription));
PORT_Memset(info->manufacturerID,' ',sizeof(info->manufacturerID));
crv = PK11_GETTAB(slot)->C_GetSlotInfo(slot->slotID,info);
pk11_zeroTerminatedToBlankPadded(info->slotDescription,
sizeof(info->slotDescription));
pk11_zeroTerminatedToBlankPadded(info->manufacturerID,
sizeof(info->manufacturerID));
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);
/*
* some buggy drivers do not fill the buffer completely,
* erase the buffer first
*/
PORT_Memset(info->label,' ',sizeof(info->label));
PORT_Memset(info->manufacturerID,' ',sizeof(info->manufacturerID));
PORT_Memset(info->model,' ',sizeof(info->model));
PORT_Memset(info->serialNumber,' ',sizeof(info->serialNumber));
crv = PK11_GETTAB(slot)->C_GetTokenInfo(slot->slotID,info);
pk11_zeroTerminatedToBlankPadded(info->label,sizeof(info->label));
pk11_zeroTerminatedToBlankPadded(info->manufacturerID,
sizeof(info->manufacturerID));
pk11_zeroTerminatedToBlankPadded(info->model,sizeof(info->model));
pk11_zeroTerminatedToBlankPadded(info->serialNumber,
sizeof(info->serialNumber));
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)
{
PRBool needUserInit = (PRBool) ((slot->flags & CKF_USER_PIN_INITIALIZED)
== 0);
if (needUserInit) {
CK_TOKEN_INFO info;
SECStatus rv;
/* see if token has been initialized off line */
rv = PK11_GetTokenInfo(slot, &info);
if (rv == SECSuccess) {
slot->flags = info.flags;
}
}
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]);
}
/*
* 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 most mechanism, bypass the linear lookup */
if (type < 0x7ff) {
return (slot->mechanismBits[type & 0xff] & (1 << (type >> 8))) ?
PR_TRUE : PR_FALSE;
}
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 (pk11_LoginStillRequired(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_SHA256) &&
(type[i] != CKM_SHA384) &&
(type[i] != CKM_SHA512) &&
(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_FreeSlotListElement(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);
}
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;
}
/*
* This function uses the existing PKCS #11 module to find the
* longest supported key length in the preferred token for a mechanism.
* This varies from the above function in that 1) it returns the key length
* even for fixed key algorithms, and 2) it looks through the tokens
* generally rather than for a specific token. This is used in liu of
* a PK11_GetKeyLength function in pk11mech.c since we can actually read
* supported key lengths from PKCS #11.
*
* For symmetric key operations the length is returned in bytes.
*/
int
PK11_GetMaxKeyLength(CK_MECHANISM_TYPE mechanism)
{
CK_MECHANISM_INFO mechanism_info;
PK11SlotList *list = NULL;
PK11SlotListElement *le ;
PRBool freeit = PR_FALSE;
int keyLength = 0;
list = PK11_GetSlotList(mechanism);
if ((list == NULL) || (list->head == NULL)) {
/* We need to look up all the tokens for the mechanism */
list = PK11_GetAllTokens(mechanism,PR_FALSE,PR_FALSE,NULL);
freeit = PR_TRUE;
}
/* no tokens recognize this mechanism */
if (list == NULL) {
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
return 0;
}
for (le = PK11_GetFirstSafe(list); le;
le = PK11_GetNextSafe(list,le,PR_TRUE)) {
PK11SlotInfo *slot = le->slot;
CK_RV crv;
if (PK11_IsPresent(slot)) {
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) && (mechanism_info.ulMaxKeySize != 0)
&& (mechanism_info.ulMaxKeySize != 0xffffffff)) {
keyLength = mechanism_info.ulMaxKeySize;
break;
}
}
}
if (le)
PK11_FreeSlotListElement(list, le);
if (freeit)
PK11_FreeSlotList(list);
return keyLength;
}
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);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return SECSuccess;
}
SECStatus
PK11_GenerateRandomOnSlot(PK11SlotInfo *slot, unsigned char *data, int len) {
CK_RV crv;
if (!slot->isInternal) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GenerateRandom(slot->session,data,
(CK_ULONG)len);
if (!slot->isInternal) PK11_ExitSlotMonitor(slot);
if (crv != CKR_OK) {
PORT_SetError(PK11_MapError(crv));
return SECFailure;
}
return 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;
SECStatus rv;
slot = PK11_GetBestSlot(CKM_FAKE_RANDOM,NULL);
if (slot == NULL) return SECFailure;
rv = PK11_GenerateRandomOnSlot(slot, data, len);
PK11_FreeSlot(slot);
return rv;
}
/*
* 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;
}
nssTrustDomain_UpdateCachedTokenCerts(slot->nssToken->trustDomain,
slot->nssToken);
return SECSuccess;
}
void
PK11Slot_SetNSSToken(PK11SlotInfo *sl, NSSToken *nsst)
{
sl->nssToken = nsst;
}
NSSToken *
PK11Slot_GetNSSToken(PK11SlotInfo *sl)
{
return sl->nssToken;
}
/*
* wait for a token to change it's state. The application passes in the expected
* new state in event.
*/
PK11TokenStatus
PK11_WaitForTokenEvent(PK11SlotInfo *slot, PK11TokenEvent event,
PRIntervalTime timeout, PRIntervalTime latency, int series)
{
PRIntervalTime first_time = 0;
PRBool first_time_set = PR_FALSE;
PRBool waitForRemoval;
if (slot->isPerm) {
return PK11TokenNotRemovable;
}
if (latency == 0) {
latency = PR_SecondsToInterval(5);
}
waitForRemoval = (PRBool) (event == PK11TokenRemovedOrChangedEvent);
if (series == 0) {
series = PK11_GetSlotSeries(slot);
}
while (PK11_IsPresent(slot) == waitForRemoval ) {
PRIntervalTime interval;
if (waitForRemoval && series != PK11_GetSlotSeries(slot)) {
return PK11TokenChanged;
}
if (timeout == PR_INTERVAL_NO_WAIT) {
return waitForRemoval ? PK11TokenPresent : PK11TokenRemoved;
}
if (timeout != PR_INTERVAL_NO_TIMEOUT ) {
interval = PR_IntervalNow();
if (!first_time_set) {
first_time = interval;
first_time_set = PR_TRUE;
}
if ((interval-first_time) > timeout) {
return waitForRemoval ? PK11TokenPresent : PK11TokenRemoved;
}
}
PR_Sleep(latency);
}
return waitForRemoval ? PK11TokenRemoved : PK11TokenPresent;
}
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