Delete bundled copy of NSS and replace with README.

nss/lib/ckfw/sessobj.c

Index: nss/lib/ckfw/sessobj.c
diff --git a/nss/lib/ckfw/sessobj.c b/nss/lib/ckfw/sessobj.c
deleted file mode 100644
index 11721b8aa5b13a920b45b74cc1c5be2fff261ff1..0000000000000000000000000000000000000000
--- a/nss/lib/ckfw/sessobj.c
+++ /dev/null
@@ -1,1012 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
- * sessobj.c
- *
- * This file contains an NSSCKMDObject implementation for session
- * objects.  The framework uses this implementation to manage
- * session objects when a Module doesn't wish to be bothered.
- */
-
-#ifndef CK_T
-#include "ck.h"
-#endif /* CK_T */
-
-/*
- * nssCKMDSessionObject
- *
- *  -- create --
- *  nssCKMDSessionObject_Create
- *
- *  -- EPV calls --
- *  nss_ckmdSessionObject_Finalize
- *  nss_ckmdSessionObject_IsTokenObject
- *  nss_ckmdSessionObject_GetAttributeCount
- *  nss_ckmdSessionObject_GetAttributeTypes
- *  nss_ckmdSessionObject_GetAttributeSize
- *  nss_ckmdSessionObject_GetAttribute
- *  nss_ckmdSessionObject_SetAttribute
- *  nss_ckmdSessionObject_GetObjectSize
- */
-
-struct nssCKMDSessionObjectStr {
-    CK_ULONG n;
-    NSSArena *arena;
-    NSSItem *attributes;
-    CK_ATTRIBUTE_TYPE_PTR types;
-    nssCKFWHash *hash;
-};
-typedef struct nssCKMDSessionObjectStr nssCKMDSessionObject;
-
-#ifdef DEBUG
-/*
- * But first, the pointer-tracking stuff.
- *
- * NOTE: the pointer-tracking support in NSS/base currently relies
- * upon NSPR's CallOnce support.  That, however, relies upon NSPR's
- * locking, which is tied into the runtime.  We need a pointer-tracker
- * implementation that uses the locks supplied through C_Initialize.
- * That support, however, can be filled in later.  So for now, I'll
- * just do this routines as no-ops.
- */
-
-static CK_RV
-nss_ckmdSessionObject_add_pointer(
-    const NSSCKMDObject *mdObject)
-{
-    return CKR_OK;
-}
-
-static CK_RV
-nss_ckmdSessionObject_remove_pointer(
-    const NSSCKMDObject *mdObject)
-{
-    return CKR_OK;
-}
-
-#ifdef NSS_DEBUG
-static CK_RV
-nss_ckmdSessionObject_verifyPointer(
-    const NSSCKMDObject *mdObject)
-{
-    return CKR_OK;
-}
-#endif
-
-#endif /* DEBUG */
-
-/*
- * We must forward-declare these routines
- */
-static void
-nss_ckmdSessionObject_Finalize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance);
-
-static CK_RV
-nss_ckmdSessionObject_Destroy(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance);
-
-static CK_BBOOL
-nss_ckmdSessionObject_IsTokenObject(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance);
-
-static CK_ULONG
-nss_ckmdSessionObject_GetAttributeCount(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_RV *pError);
-
-static CK_RV
-nss_ckmdSessionObject_GetAttributeTypes(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE_PTR typeArray,
-    CK_ULONG ulCount);
-
-static CK_ULONG
-nss_ckmdSessionObject_GetAttributeSize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    CK_RV *pError);
-
-static NSSCKFWItem
-nss_ckmdSessionObject_GetAttribute(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    CK_RV *pError);
-
-static CK_RV
-nss_ckmdSessionObject_SetAttribute(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    NSSItem *value);
-
-static CK_ULONG
-nss_ckmdSessionObject_GetObjectSize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_RV *pError);
-
-/*
- * nssCKMDSessionObject_Create
- *
- */
-NSS_IMPLEMENT NSSCKMDObject *
-nssCKMDSessionObject_Create(
-    NSSCKFWToken *fwToken,
-    NSSArena *arena,
-    CK_ATTRIBUTE_PTR attributes,
-    CK_ULONG ulCount,
-    CK_RV *pError)
-{
-    NSSCKMDObject *mdObject = (NSSCKMDObject *)NULL;
-    nssCKMDSessionObject *mdso = (nssCKMDSessionObject *)NULL;
-    CK_ULONG i;
-    nssCKFWHash *hash;
-
-    *pError = CKR_OK;
-
-    mdso = nss_ZNEW(arena, nssCKMDSessionObject);
-    if (!mdso) {
-        goto loser;
-    }
-
-    mdso->arena = arena;
-    mdso->n = ulCount;
-    mdso->attributes = nss_ZNEWARRAY(arena, NSSItem, ulCount);
-    if (!mdso->attributes) {
-        goto loser;
-    }
-
-    mdso->types = nss_ZNEWARRAY(arena, CK_ATTRIBUTE_TYPE, ulCount);
-    if (!mdso->types) {
-        goto loser;
-    }
-    for (i = 0; i < ulCount; i++) {
-        mdso->types[i] = attributes[i].type;
-        mdso->attributes[i].size = attributes[i].ulValueLen;
-        mdso->attributes[i].data = nss_ZAlloc(arena, attributes[i].ulValueLen);
-        if (!mdso->attributes[i].data) {
-            goto loser;
-        }
-        (void)nsslibc_memcpy(mdso->attributes[i].data, attributes[i].pValue,
-                             attributes[i].ulValueLen);
-    }
-
-    mdObject = nss_ZNEW(arena, NSSCKMDObject);
-    if (!mdObject) {
-        goto loser;
-    }
-
-    mdObject->etc = (void *)mdso;
-    mdObject->Finalize = nss_ckmdSessionObject_Finalize;
-    mdObject->Destroy = nss_ckmdSessionObject_Destroy;
-    mdObject->IsTokenObject = nss_ckmdSessionObject_IsTokenObject;
-    mdObject->GetAttributeCount = nss_ckmdSessionObject_GetAttributeCount;
-    mdObject->GetAttributeTypes = nss_ckmdSessionObject_GetAttributeTypes;
-    mdObject->GetAttributeSize = nss_ckmdSessionObject_GetAttributeSize;
-    mdObject->GetAttribute = nss_ckmdSessionObject_GetAttribute;
-    mdObject->SetAttribute = nss_ckmdSessionObject_SetAttribute;
-    mdObject->GetObjectSize = nss_ckmdSessionObject_GetObjectSize;
-
-    hash = nssCKFWToken_GetSessionObjectHash(fwToken);
-    if (!hash) {
-        *pError = CKR_GENERAL_ERROR;
-        goto loser;
-    }
-
-    mdso->hash = hash;
-
-    *pError = nssCKFWHash_Add(hash, mdObject, mdObject);
-    if (CKR_OK != *pError) {
-        goto loser;
-    }
-
-#ifdef DEBUG
-    if ((*pError = nss_ckmdSessionObject_add_pointer(mdObject)) != CKR_OK) {
-        goto loser;
-    }
-#endif /* DEBUG */
-
-    return mdObject;
-
-loser:
-    if (mdso) {
-        if (mdso->attributes) {
-            for (i = 0; i < ulCount; i++) {
-                nss_ZFreeIf(mdso->attributes[i].data);
-            }
-            nss_ZFreeIf(mdso->attributes);
-        }
-        nss_ZFreeIf(mdso->types);
-        nss_ZFreeIf(mdso);
-    }
-
-    nss_ZFreeIf(mdObject);
-    if (*pError == CKR_OK) {
-        *pError = CKR_HOST_MEMORY;
-    }
-    return (NSSCKMDObject *)NULL;
-}
-
-/*
- * nss_ckmdSessionObject_Finalize
- *
- */
-static void
-nss_ckmdSessionObject_Finalize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance)
-{
-    /* This shouldn't ever be called */
-    return;
-}
-
-/*
- * nss_ckmdSessionObject_Destroy
- *
- */
-
-static CK_RV
-nss_ckmdSessionObject_Destroy(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance)
-{
-#ifdef NSSDEBUG
-    CK_RV error = CKR_OK;
-#endif /* NSSDEBUG */
-    nssCKMDSessionObject *mdso;
-    CK_ULONG i;
-
-#ifdef NSSDEBUG
-    error = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != error) {
-        return error;
-    }
-#endif /* NSSDEBUG */
-
-    mdso = (nssCKMDSessionObject *)mdObject->etc;
-
-    nssCKFWHash_Remove(mdso->hash, mdObject);
-
-    for (i = 0; i < mdso->n; i++) {
-        nss_ZFreeIf(mdso->attributes[i].data);
-    }
-    nss_ZFreeIf(mdso->attributes);
-    nss_ZFreeIf(mdso->types);
-    nss_ZFreeIf(mdso);
-    nss_ZFreeIf(mdObject);
-
-#ifdef DEBUG
-    (void)nss_ckmdSessionObject_remove_pointer(mdObject);
-#endif /* DEBUG */
-
-    return CKR_OK;
-}
-
-/*
- * nss_ckmdSessionObject_IsTokenObject
- *
- */
-
-static CK_BBOOL
-nss_ckmdSessionObject_IsTokenObject(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance)
-{
-#ifdef NSSDEBUG
-    if (CKR_OK != nss_ckmdSessionObject_verifyPointer(mdObject)) {
-        return CK_FALSE;
-    }
-#endif /* NSSDEBUG */
-
-    /*
-     * This implementation is only ever used for session objects.
-     */
-    return CK_FALSE;
-}
-
-/*
- * nss_ckmdSessionObject_GetAttributeCount
- *
- */
-static CK_ULONG
-nss_ckmdSessionObject_GetAttributeCount(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_RV *pError)
-{
-    nssCKMDSessionObject *obj;
-
-#ifdef NSSDEBUG
-    if (!pError) {
-        return 0;
-    }
-
-    *pError = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != *pError) {
-        return 0;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    return obj->n;
-}
-
-/*
- * nss_ckmdSessionObject_GetAttributeTypes
- *
- */
-static CK_RV
-nss_ckmdSessionObject_GetAttributeTypes(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE_PTR typeArray,
-    CK_ULONG ulCount)
-{
-#ifdef NSSDEBUG
-    CK_RV error = CKR_OK;
-#endif /* NSSDEBUG */
-    nssCKMDSessionObject *obj;
-
-#ifdef NSSDEBUG
-    error = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != error) {
-        return error;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    if (ulCount < obj->n) {
-        return CKR_BUFFER_TOO_SMALL;
-    }
-
-    (void)nsslibc_memcpy(typeArray, obj->types,
-                         sizeof(CK_ATTRIBUTE_TYPE) *
-                             obj->n);
-
-    return CKR_OK;
-}
-
-/*
- * nss_ckmdSessionObject_GetAttributeSize
- *
- */
-static CK_ULONG
-nss_ckmdSessionObject_GetAttributeSize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    CK_RV *pError)
-{
-    nssCKMDSessionObject *obj;
-    CK_ULONG i;
-
-#ifdef NSSDEBUG
-    if (!pError) {
-        return 0;
-    }
-
-    *pError = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != *pError) {
-        return 0;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    for (i = 0; i < obj->n; i++) {
-        if (attribute == obj->types[i]) {
-            return (CK_ULONG)(obj->attributes[i].size);
-        }
-    }
-
-    *pError = CKR_ATTRIBUTE_TYPE_INVALID;
-    return 0;
-}
-
-/*
- * nss_ckmdSessionObject_GetAttribute
- *
- */
-static NSSCKFWItem
-nss_ckmdSessionObject_GetAttribute(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    CK_RV *pError)
-{
-    NSSCKFWItem item;
-    nssCKMDSessionObject *obj;
-    CK_ULONG i;
-
-    item.needsFreeing = PR_FALSE;
-    item.item = NULL;
-#ifdef NSSDEBUG
-    if (!pError) {
-        return item;
-    }
-
-    *pError = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != *pError) {
-        return item;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    for (i = 0; i < obj->n; i++) {
-        if (attribute == obj->types[i]) {
-            item.item = &obj->attributes[i];
-            return item;
-        }
-    }
-
-    *pError = CKR_ATTRIBUTE_TYPE_INVALID;
-    return item;
-}
-
-/*
- * nss_ckmdSessionObject_SetAttribute
- *
- */
-
-/*
- * Okay, so this implementation sucks.  It doesn't support removing
- * an attribute (if value == NULL), and could be more graceful about
- * memory.  It should allow "blank" slots in the arrays, with some
- * invalid attribute type, and then it could support removal much
- * more easily.  Do this later.
- */
-static CK_RV
-nss_ckmdSessionObject_SetAttribute(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_ATTRIBUTE_TYPE attribute,
-    NSSItem *value)
-{
-    nssCKMDSessionObject *obj;
-    CK_ULONG i;
-    NSSItem n;
-    NSSItem *ra;
-    CK_ATTRIBUTE_TYPE_PTR rt;
-#ifdef NSSDEBUG
-    CK_RV error;
-#endif /* NSSDEBUG */
-
-#ifdef NSSDEBUG
-    error = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != error) {
-        return 0;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    n.size = value->size;
-    n.data = nss_ZAlloc(obj->arena, n.size);
-    if (!n.data) {
-        return CKR_HOST_MEMORY;
-    }
-    (void)nsslibc_memcpy(n.data, value->data, n.size);
-
-    for (i = 0; i < obj->n; i++) {
-        if (attribute == obj->types[i]) {
-            nss_ZFreeIf(obj->attributes[i].data);
-            obj->attributes[i] = n;
-            return CKR_OK;
-        }
-    }
-
-    /*
-     * It's new.
-     */
-
-    ra = (NSSItem *)nss_ZRealloc(obj->attributes, sizeof(NSSItem) * (obj->n + 1));
-    if (!ra) {
-        nss_ZFreeIf(n.data);
-        return CKR_HOST_MEMORY;
-    }
-    obj->attributes = ra;
-
-    rt = (CK_ATTRIBUTE_TYPE_PTR)nss_ZRealloc(obj->types,
-                                             sizeof(CK_ATTRIBUTE_TYPE) * (obj->n + 1));
-    if (!rt) {
-        nss_ZFreeIf(n.data);
-        return CKR_HOST_MEMORY;
-    }
-
-    obj->types = rt;
-    obj->attributes[obj->n] = n;
-    obj->types[obj->n] = attribute;
-    obj->n++;
-
-    return CKR_OK;
-}
-
-/*
- * nss_ckmdSessionObject_GetObjectSize
- *
- */
-static CK_ULONG
-nss_ckmdSessionObject_GetObjectSize(
-    NSSCKMDObject *mdObject,
-    NSSCKFWObject *fwObject,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    CK_RV *pError)
-{
-    nssCKMDSessionObject *obj;
-    CK_ULONG i;
-    CK_ULONG rv = (CK_ULONG)0;
-
-#ifdef NSSDEBUG
-    if (!pError) {
-        return 0;
-    }
-
-    *pError = nss_ckmdSessionObject_verifyPointer(mdObject);
-    if (CKR_OK != *pError) {
-        return 0;
-    }
-
-/* We could even check all the other arguments, for sanity. */
-#endif /* NSSDEBUG */
-
-    obj = (nssCKMDSessionObject *)mdObject->etc;
-
-    for (i = 0; i < obj->n; i++) {
-        rv += obj->attributes[i].size;
-    }
-
-    rv += sizeof(NSSItem) * obj->n;
-    rv += sizeof(CK_ATTRIBUTE_TYPE) * obj->n;
-    rv += sizeof(nssCKMDSessionObject);
-
-    return rv;
-}
-
-/*
- * nssCKMDFindSessionObjects
- *
- *  -- create --
- *  nssCKMDFindSessionObjects_Create
- *
- *  -- EPV calls --
- *  nss_ckmdFindSessionObjects_Final
- *  nss_ckmdFindSessionObjects_Next
- */
-
-struct nodeStr {
-    struct nodeStr *next;
-    NSSCKMDObject *mdObject;
-};
-
-struct nssCKMDFindSessionObjectsStr {
-    NSSArena *arena;
-    CK_RV error;
-    CK_ATTRIBUTE_PTR pTemplate;
-    CK_ULONG ulCount;
-    struct nodeStr *list;
-    nssCKFWHash *hash;
-};
-typedef struct nssCKMDFindSessionObjectsStr nssCKMDFindSessionObjects;
-
-#ifdef DEBUG
-/*
- * But first, the pointer-tracking stuff.
- *
- * NOTE: the pointer-tracking support in NSS/base currently relies
- * upon NSPR's CallOnce support.  That, however, relies upon NSPR's
- * locking, which is tied into the runtime.  We need a pointer-tracker
- * implementation that uses the locks supplied through C_Initialize.
- * That support, however, can be filled in later.  So for now, I'll
- * just do this routines as no-ops.
- */
-
-static CK_RV
-nss_ckmdFindSessionObjects_add_pointer(
-    const NSSCKMDFindObjects *mdFindObjects)
-{
-    return CKR_OK;
-}
-
-static CK_RV
-nss_ckmdFindSessionObjects_remove_pointer(
-    const NSSCKMDFindObjects *mdFindObjects)
-{
-    return CKR_OK;
-}
-
-#ifdef NSS_DEBUG
-static CK_RV
-nss_ckmdFindSessionObjects_verifyPointer(
-    const NSSCKMDFindObjects *mdFindObjects)
-{
-    return CKR_OK;
-}
-#endif
-
-#endif /* DEBUG */
-
-/*
- * We must forward-declare these routines.
- */
-static void
-nss_ckmdFindSessionObjects_Final(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance);
-
-static NSSCKMDObject *
-nss_ckmdFindSessionObjects_Next(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    NSSArena *arena,
-    CK_RV *pError);
-
-static CK_BBOOL
-items_match(
-    NSSItem *a,
-    CK_VOID_PTR pValue,
-    CK_ULONG ulValueLen)
-{
-    if (a->size != ulValueLen) {
-        return CK_FALSE;
-    }
-
-    if (PR_TRUE == nsslibc_memequal(a->data, pValue, ulValueLen, (PRStatus *)NULL)) {
-        return CK_TRUE;
-    } else {
-        return CK_FALSE;
-    }
-}
-
-/*
- * Our hashtable iterator
- */
-static void
-findfcn(
-    const void *key,
-    void *value,
-    void *closure)
-{
-    NSSCKMDObject *mdObject = (NSSCKMDObject *)value;
-    nssCKMDSessionObject *mdso = (nssCKMDSessionObject *)mdObject->etc;
-    nssCKMDFindSessionObjects *mdfso = (nssCKMDFindSessionObjects *)closure;
-    CK_ULONG i, j;
-    struct nodeStr *node;
-
-    if (CKR_OK != mdfso->error) {
-        return;
-    }
-
-    for (i = 0; i < mdfso->ulCount; i++) {
-        CK_ATTRIBUTE_PTR p = &mdfso->pTemplate[i];
-
-        for (j = 0; j < mdso->n; j++) {
-            if (mdso->types[j] == p->type) {
-                if (!items_match(&mdso->attributes[j], p->pValue, p->ulValueLen)) {
-                    return;
-                } else {
-                    break;
-                }
-            }
-        }
-
-        if (j == mdso->n) {
-            /* Attribute not found */
-            return;
-        }
-    }
-
-    /* Matches */
-    node = nss_ZNEW(mdfso->arena, struct nodeStr);
-    if ((struct nodeStr *)NULL == node) {
-        mdfso->error = CKR_HOST_MEMORY;
-        return;
-    }
-
-    node->mdObject = mdObject;
-    node->next = mdfso->list;
-    mdfso->list = node;
-
-    return;
-}
-
-/*
- * nssCKMDFindSessionObjects_Create
- *
- */
-NSS_IMPLEMENT NSSCKMDFindObjects *
-nssCKMDFindSessionObjects_Create(
-    NSSCKFWToken *fwToken,
-    CK_ATTRIBUTE_PTR pTemplate,
-    CK_ULONG ulCount,
-    CK_RV *pError)
-{
-    NSSArena *arena;
-    nssCKMDFindSessionObjects *mdfso;
-    nssCKFWHash *hash;
-    NSSCKMDFindObjects *rv;
-
-#ifdef NSSDEBUG
-    if (!pError) {
-        return (NSSCKMDFindObjects *)NULL;
-    }
-
-    *pError = nssCKFWToken_verifyPointer(fwToken);
-    if (CKR_OK != *pError) {
-        return (NSSCKMDFindObjects *)NULL;
-    }
-
-    if ((CK_ATTRIBUTE_PTR)NULL == pTemplate) {
-        *pError = CKR_ARGUMENTS_BAD;
-        return (NSSCKMDFindObjects *)NULL;
-    }
-#endif /* NSSDEBUG */
-
-    *pError = CKR_OK;
-
-    hash = nssCKFWToken_GetSessionObjectHash(fwToken);
-    if (!hash) {
-        *pError = CKR_GENERAL_ERROR;
-        return (NSSCKMDFindObjects *)NULL;
-    }
-
-    arena = NSSArena_Create();
-    if (!arena) {
-        *pError = CKR_HOST_MEMORY;
-        return (NSSCKMDFindObjects *)NULL;
-    }
-
-    mdfso = nss_ZNEW(arena, nssCKMDFindSessionObjects);
-    if (!mdfso) {
-        goto loser;
-    }
-
-    rv = nss_ZNEW(arena, NSSCKMDFindObjects);
-    if (rv == NULL) {
-        goto loser;
-    }
-
-    mdfso->error = CKR_OK;
-    mdfso->pTemplate = pTemplate;
-    mdfso->ulCount = ulCount;
-    mdfso->hash = hash;
-
-    nssCKFWHash_Iterate(hash, findfcn, mdfso);
-
-    if (CKR_OK != mdfso->error) {
-        goto loser;
-    }
-
-    rv->etc = (void *)mdfso;
-    rv->Final = nss_ckmdFindSessionObjects_Final;
-    rv->Next = nss_ckmdFindSessionObjects_Next;
-
-#ifdef DEBUG
-    if ((*pError = nss_ckmdFindSessionObjects_add_pointer(rv)) != CKR_OK) {
-        goto loser;
-    }
-#endif /* DEBUG */
-    mdfso->arena = arena;
-
-    return rv;
-
-loser:
-    if (arena) {
-        NSSArena_Destroy(arena);
-    }
-    if (*pError == CKR_OK) {
-        *pError = CKR_HOST_MEMORY;
-    }
-    return NULL;
-}
-
-static void
-nss_ckmdFindSessionObjects_Final(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance)
-{
-    nssCKMDFindSessionObjects *mdfso;
-
-#ifdef NSSDEBUG
-    if (CKR_OK != nss_ckmdFindSessionObjects_verifyPointer(mdFindObjects)) {
-        return;
-    }
-#endif /* NSSDEBUG */
-
-    mdfso = (nssCKMDFindSessionObjects *)mdFindObjects->etc;
-    if (mdfso->arena)
-        NSSArena_Destroy(mdfso->arena);
-
-#ifdef DEBUG
-    (void)nss_ckmdFindSessionObjects_remove_pointer(mdFindObjects);
-#endif /* DEBUG */
-
-    return;
-}
-
-static NSSCKMDObject *
-nss_ckmdFindSessionObjects_Next(
-    NSSCKMDFindObjects *mdFindObjects,
-    NSSCKFWFindObjects *fwFindObjects,
-    NSSCKMDSession *mdSession,
-    NSSCKFWSession *fwSession,
-    NSSCKMDToken *mdToken,
-    NSSCKFWToken *fwToken,
-    NSSCKMDInstance *mdInstance,
-    NSSCKFWInstance *fwInstance,
-    NSSArena *arena,
-    CK_RV *pError)
-{
-    nssCKMDFindSessionObjects *mdfso;
-    NSSCKMDObject *rv = (NSSCKMDObject *)NULL;
-
-#ifdef NSSDEBUG
-    if (CKR_OK != nss_ckmdFindSessionObjects_verifyPointer(mdFindObjects)) {
-        return (NSSCKMDObject *)NULL;
-    }
-#endif /* NSSDEBUG */
-
-    mdfso = (nssCKMDFindSessionObjects *)mdFindObjects->etc;
-
-    while (!rv) {
-        if ((struct nodeStr *)NULL == mdfso->list) {
-            *pError = CKR_OK;
-            return (NSSCKMDObject *)NULL;
-        }
-
-        if (nssCKFWHash_Exists(mdfso->hash, mdfso->list->mdObject)) {
-            rv = mdfso->list->mdObject;
-        }
-
-        mdfso->list = mdfso->list->next;
-    }
-
-    return rv;
-}