ian.mcgreer%sun.com 1f69c02407 changes to get fips working
git-svn-id: svn://10.0.0.236/trunk@107709 18797224-902f-48f8-a5cc-f745e15eee43
2001-11-09 00:36:12 +00:00

537 lines
13 KiB
C

/*
* 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):
*
* 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.
*/
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: devtoken.c,v $ $Revision: 1.2 $ $Date: 2001-11-09 00:36:12 $ $Name: not supported by cvs2svn $";
#endif /* DEBUG */
#ifndef DEV_H
#include "dev.h"
#endif /* DEV_H */
#ifndef DEVM_H
#include "devm.h"
#endif /* DEVM_H */
/* for the cache... */
#ifndef PKI_H
#include "pki.h"
#endif /* PKI_H */
#ifndef NSSCKEPV_H
#include "nssckepv.h"
#endif /* NSSCKEPV_H */
#ifndef NSSPKI_H
#include "nsspki.h"
#endif /* NSSPKI_H */
#ifndef PKI_H
#include "pki.h"
#endif /* PKI_H */
#ifndef CKHELPER_H
#include "ckhelper.h"
#endif /* CKHELPER_H */
#ifndef BASE_H
#include "base.h"
#endif /* BASE_H */
/* maybe this should really inherit completely from the module... I dunno,
* any uses of slots where independence is needed?
*/
NSS_IMPLEMENT NSSToken *
nssToken_Create
(
NSSArena *arenaOpt,
CK_SLOT_ID slotID,
NSSSlot *parent
)
{
NSSArena *arena;
nssArenaMark *mark;
NSSToken *rvToken;
nssSession *session;
NSSUTF8 *tokenName = NULL;
PRUint32 length;
PRBool newArena;
PRBool readWrite;
PRStatus nssrv;
CK_TOKEN_INFO tokenInfo;
CK_RV ckrv;
if (arenaOpt) {
arena = arenaOpt;
mark = nssArena_Mark(arena);
if (!mark) {
return (NSSToken *)NULL;
}
newArena = PR_FALSE;
} else {
arena = NSSArena_Create();
if(!arena) {
return (NSSToken *)NULL;
}
newArena = PR_TRUE;
}
rvToken = nss_ZNEW(arena, NSSToken);
if (!rvToken) {
goto loser;
}
/* Get token information */
ckrv = CKAPI(parent)->C_GetTokenInfo(slotID, &tokenInfo);
if (ckrv != CKR_OK) {
/* set an error here, eh? */
goto loser;
}
/* Grab the slot description from the PKCS#11 fixed-length buffer */
length = nssPKCS11StringLength(tokenInfo.label, sizeof(tokenInfo.label));
if (length > 0) {
tokenName = nssUTF8_Create(arena, nssStringType_UTF8String,
(void *)tokenInfo.label, length);
if (!tokenName) {
goto loser;
}
}
/* Open a default session handle for the token. */
if (tokenInfo.ulMaxSessionCount == 1) {
/* if the token can only handle one session, it must be RW. */
readWrite = PR_TRUE;
} else {
readWrite = PR_FALSE;
}
session = nssSlot_CreateSession(parent, arena, readWrite);
if (session == NULL) {
goto loser;
}
/* TODO: seed the RNG here */
if (!arenaOpt) {
/* Avoid confusion now - only set the token's arena to a non-NULL value
* if a new arena is created. Otherwise, depend on the caller (having
* passed arenaOpt) to free the arena.
*/
rvToken->arena = arena;
}
rvToken->refCount = 1;
rvToken->slot = parent;
rvToken->name = tokenName;
rvToken->ckFlags = tokenInfo.flags;
rvToken->defaultSession = session;
nssrv = nssArena_Unmark(arena, mark);
if (nssrv != PR_SUCCESS) {
goto loser;
}
return rvToken;
loser:
if (session) {
nssSession_Destroy(session);
}
if (newArena) {
nssArena_Destroy(arena);
} else {
if (mark) {
nssArena_Release(arena, mark);
}
}
return (NSSToken *)NULL;
}
NSS_IMPLEMENT PRStatus
nssToken_Destroy
(
NSSToken *tok
)
{
if (--tok->refCount == 0) {
#ifndef NSS_3_4_CODE
/* don't do this in 3.4 -- let PK11SlotInfo handle it */
if (tok->defaultSession) {
nssSession_Destroy(tok->defaultSession);
}
#endif
if (tok->arena) {
return NSSArena_Destroy(tok->arena);
} else {
nss_ZFreeIf(tok);
}
}
return PR_SUCCESS;
}
NSS_IMPLEMENT NSSToken *
nssToken_AddRef
(
NSSToken *tok
)
{
++tok->refCount;
return tok;
}
NSS_IMPLEMENT NSSUTF8 *
nssToken_GetName
(
NSSToken *tok
)
{
return tok->name;
}
NSS_IMPLEMENT PRStatus
nssToken_DeleteStoredObject
(
NSSToken *tok,
nssSession *sessionOpt,
CK_OBJECT_HANDLE object
)
{
nssSession *session = NULL;
CK_RV ckrv;
PRStatus nssrv;
PRBool createdSession;
if (nssCKObject_IsAttributeTrue(object, CKA_TOKEN, tok->defaultSession,
tok->slot, &nssrv)) {
if (sessionOpt) {
if (!nssSession_IsReadWrite(sessionOpt)) {
return PR_FAILURE;;
} else {
session = sessionOpt;
}
} else if (nssSession_IsReadWrite(tok->defaultSession)) {
session = tok->defaultSession;
} else {
session = nssSlot_CreateSession(tok->slot, NULL, PR_TRUE);
createdSession = PR_TRUE;
}
}
if (session == NULL) {
return PR_FAILURE;
}
nssSession_EnterMonitor(session);
ckrv = CKAPI(tok->slot)->C_DestroyObject(session->handle, object);
nssSession_ExitMonitor(session);
if (createdSession) {
nssSession_Destroy(session);
}
if (ckrv != CKR_OK) {
return PR_FAILURE;
}
return PR_SUCCESS;
}
NSS_IMPLEMENT CK_OBJECT_HANDLE
nssToken_ImportObject
(
NSSToken *tok,
nssSession *sessionOpt,
CK_ATTRIBUTE_PTR objectTemplate,
CK_ULONG otsize
)
{
nssSession *session = NULL;
PRBool createdSession = PR_FALSE;
CK_OBJECT_HANDLE object;
CK_RV ckrv;
if (nssCKObject_IsTokenObjectTemplate(objectTemplate, otsize)) {
if (sessionOpt) {
if (!nssSession_IsReadWrite(sessionOpt)) {
return CK_INVALID_HANDLE;
} else {
session = sessionOpt;
}
} else if (nssSession_IsReadWrite(tok->defaultSession)) {
session = tok->defaultSession;
} else {
session = nssSlot_CreateSession(tok->slot, NULL, PR_TRUE);
createdSession = PR_TRUE;
}
}
if (session == NULL) {
return PR_FAILURE;
}
nssSession_EnterMonitor(session);
ckrv = CKAPI(tok->slot)->C_CreateObject(session->handle,
objectTemplate, otsize,
&object);
nssSession_ExitMonitor(session);
if (createdSession) {
nssSession_Destroy(session);
}
if (ckrv != CKR_OK) {
return CK_INVALID_HANDLE;
}
return object;
}
NSS_IMPLEMENT CK_OBJECT_HANDLE
nssToken_FindObjectByTemplate
(
NSSToken *tok,
nssSession *sessionOpt,
CK_ATTRIBUTE_PTR cktemplate,
CK_ULONG ctsize
)
{
CK_SESSION_HANDLE hSession;
CK_OBJECT_HANDLE rvObject;
CK_ULONG count;
CK_RV ckrv;
nssSession *session;
session = (sessionOpt) ? sessionOpt : tok->defaultSession;
hSession = session->handle;
nssSession_EnterMonitor(session);
ckrv = CKAPI(tok)->C_FindObjectsInit(hSession, cktemplate, ctsize);
if (ckrv != CKR_OK) {
nssSession_ExitMonitor(session);
return CK_INVALID_HANDLE;
}
ckrv = CKAPI(tok)->C_FindObjects(hSession, &rvObject, 1, &count);
if (ckrv != CKR_OK) {
nssSession_ExitMonitor(session);
return CK_INVALID_HANDLE;
}
ckrv = CKAPI(tok)->C_FindObjectsFinal(hSession);
nssSession_ExitMonitor(session);
if (ckrv != CKR_OK) {
return CK_INVALID_HANDLE;
}
return rvObject;
}
extern const NSSError NSS_ERROR_MAXIMUM_FOUND;
struct collect_arg_str
{
NSSArena *arena;
nssList *list;
PRUint32 maximum;
};
static PRStatus
collect_certs_callback(NSSToken *t, nssSession *session,
CK_OBJECT_HANDLE h, void *arg)
{
NSSCertificate *cert;
struct collect_arg_str *ca = (struct collect_arg_str *)arg;
cert = nssCertificate_CreateFromHandle(ca->arena, h, session, t->slot);
if (!cert) {
goto loser;
}
/* addref */
nssList_Add(ca->list, (void *)cert);
if (ca->maximum > 0 && nssList_Count(ca->list) >= ca->maximum) {
/* signal the end of collection) */
nss_SetError(NSS_ERROR_MAXIMUM_FOUND);
return PR_FAILURE;
}
return PR_SUCCESS;
loser:
return PR_FAILURE;
}
struct cert_callback_str {
nssListIterator *cachedCerts;
PRStatus (*callback)(NSSCertificate *c, void *arg);
void *arg;
};
static PRStatus
retrieve_cert(NSSToken *t, nssSession *session, CK_OBJECT_HANDLE h, void *arg)
{
NSSCertificate *cert = NULL;
NSSCertificate *c;
struct cert_callback_str *ccb = (struct cert_callback_str *)arg;
if (ccb->cachedCerts) {
for (c = (NSSCertificate *)nssListIterator_Start(ccb->cachedCerts);
c != (NSSCertificate *)NULL;
c = (NSSCertificate *)nssListIterator_Next(ccb->cachedCerts))
{
if (c->handle == h && c->token == t) {
/* this is enough, right? */
cert = c;
break;
}
}
nssListIterator_Finish(ccb->cachedCerts);
}
if (!cert) {
/* Could not find cert, so create it */
cert = nssCertificate_CreateFromHandle(NULL, h, session, t->slot);
if (!cert) {
goto loser;
}
}
/* Got the cert, feed it to the callback */
return (*ccb->callback)(cert, ccb->arg);
loser:
return PR_FAILURE;
}
#define OBJECT_STACK_SIZE 16
static PRStatus
nsstoken_TraverseObjects
(
NSSToken *tok,
nssSession *session,
CK_ATTRIBUTE_PTR obj_template,
CK_ULONG otsize,
PRStatus (*callback)(NSSToken *t, nssSession *session,
CK_OBJECT_HANDLE h, void *arg),
void *arg
)
{
NSSSlot *slot;
PRStatus cbrv;
PRUint32 i;
CK_RV ckrv;
CK_ULONG count;
CK_OBJECT_HANDLE *objectStack;
CK_OBJECT_HANDLE startOS[OBJECT_STACK_SIZE];
CK_SESSION_HANDLE hSession;
NSSArena *objectArena = NULL;
nssList *objectList = NULL;
slot = tok->slot;
hSession = session->handle;
objectStack = startOS;
nssSession_EnterMonitor(session);
ckrv = CKAPI(slot)->C_FindObjectsInit(hSession, obj_template, otsize);
if (ckrv != CKR_OK) {
nssSession_ExitMonitor(session);
goto loser;
}
while (PR_TRUE) {
ckrv = CKAPI(slot)->C_FindObjects(hSession, objectStack,
OBJECT_STACK_SIZE, &count);
if (ckrv != CKR_OK) {
nssSession_ExitMonitor(session);
goto loser;
}
if (count == OBJECT_STACK_SIZE) {
if (!objectList) {
objectArena = NSSArena_Create();
objectList = nssList_Create(objectArena, PR_FALSE);
}
objectStack = nss_ZNEWARRAY(objectArena, CK_OBJECT_HANDLE,
OBJECT_STACK_SIZE);
nssList_Add(objectList, objectStack);
} else {
break;
}
}
ckrv = CKAPI(slot)->C_FindObjectsFinal(hSession);
nssSession_ExitMonitor(session);
if (ckrv != CKR_OK) {
goto loser;
}
if (objectList) {
nssListIterator *objects;
objects = nssList_CreateIterator(objectList);
for (objectStack = (CK_OBJECT_HANDLE *)nssListIterator_Start(objects);
objectStack != NULL;
objectStack = (CK_OBJECT_HANDLE *)nssListIterator_Next(objects)) {
for (i=0; i<count; i++) {
cbrv = (*callback)(tok, session, objectStack[i], arg);
}
}
nssListIterator_Finish(objects);
count = OBJECT_STACK_SIZE;
}
for (i=0; i<count; i++) {
cbrv = (*callback)(tok, session, startOS[i], arg);
}
if (objectArena)
NSSArena_Destroy(objectArena);
return PR_SUCCESS;
loser:
if (objectArena)
NSSArena_Destroy(objectArena);
return PR_FAILURE;
}
NSS_IMPLEMENT PRStatus
nssToken_TraverseCertificates
(
NSSToken *tok,
nssSession *sessionOpt,
PRStatus (*callback)(NSSCertificate *c, void *arg),
void *arg
)
{
PRStatus nssrv;
/* this is really traversal - the template is all certs */
CK_ATTRIBUTE cert_template[] = {
{ CKA_CLASS, NULL, 0 }
};
CK_ULONG ctsize = sizeof(cert_template) / sizeof(cert_template[0]);
NSS_CK_SET_ATTRIBUTE_ITEM(cert_template, 0, &g_ck_class_cert);
nssrv = nssToken_TraverseCertificatesByTemplate(tok, sessionOpt, NULL,
cert_template, ctsize,
callback, arg);
return nssrv;
}
NSS_IMPLEMENT PRStatus
nssToken_TraverseCertificatesByTemplate
(
NSSToken *tok,
nssSession *sessionOpt,
nssList *cachedList,
CK_ATTRIBUTE_PTR cktemplate,
CK_ULONG ctsize,
PRStatus (*callback)(NSSCertificate *c, void *arg),
void *arg
)
{
PRStatus rv;
nssSession *session;
struct cert_callback_str ccb;
session = (sessionOpt) ? sessionOpt : tok->defaultSession;
/* this isn't really traversal, it's find by template ... */
if (cachedList) {
ccb.cachedCerts = nssList_CreateIterator(cachedList);
} else {
ccb.cachedCerts = NULL;
}
ccb.callback = callback;
ccb.arg = arg;
rv = nsstoken_TraverseObjects(tok, session,
cktemplate, ctsize,
retrieve_cert, (void *)&ccb);
return rv;
}