Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1069 insertions, 0 deletions

diff --git a/security/nss/lib/ckfw/dbm/db.c b/security/nss/lib/ckfw/dbm/db.c
new file mode 100644
index 0000000000..40f465adec
--- /dev/null
+++ b/security/nss/lib/ckfw/dbm/db.c
@@ -0,0 +1,1069 @@
+/* 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/. */
+
+#include "ckdbm.h"
+
+#define PREFIX_METADATA "0000"
+#define PREFIX_OBJECT "0001"
+#define PREFIX_INDEX "0002"
+
+static CK_VERSION nss_dbm_db_format_version = { 1, 0 };
+struct handle {
+    char prefix[4];
+    CK_ULONG id;
+};
+
+NSS_IMPLEMENT nss_dbm_db_t *
+nss_dbm_db_open(
+    NSSArena *arena,
+    NSSCKFWInstance *fwInstance,
+    char *filename,
+    int flags,
+    CK_RV *pError)
+{
+    nss_dbm_db_t *rv;
+    CK_VERSION db_version;
+
+    rv = nss_ZNEW(arena, nss_dbm_db_t);
+    if ((nss_dbm_db_t *)NULL == rv) {
+        *pError = CKR_HOST_MEMORY;
+        return (nss_dbm_db_t *)NULL;
+    }
+
+    rv->db = dbopen(filename, flags, 0600, DB_HASH, (const void *)NULL);
+    if ((DB *)NULL == rv->db) {
+        *pError = CKR_TOKEN_NOT_PRESENT;
+        return (nss_dbm_db_t *)NULL;
+    }
+
+    rv->crustylock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
+    if ((NSSCKFWMutex *)NULL == rv->crustylock) {
+        return (nss_dbm_db_t *)NULL;
+    }
+
+    db_version = nss_dbm_db_get_format_version(rv);
+    if (db_version.major != nss_dbm_db_format_version.major) {
+        nss_dbm_db_close(rv);
+        *pError = CKR_TOKEN_NOT_RECOGNIZED;
+        return (nss_dbm_db_t *)NULL;
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT void
+nss_dbm_db_close(
+    nss_dbm_db_t *db)
+{
+    if ((NSSCKFWMutex *)NULL != db->crustylock) {
+        (void)NSSCKFWMutex_Destroy(db->crustylock);
+    }
+
+    if ((DB *)NULL != db->db) {
+        (void)db->db->close(db->db);
+    }
+
+    nss_ZFreeIf(db);
+}
+
+NSS_IMPLEMENT CK_VERSION
+nss_dbm_db_get_format_version(
+    nss_dbm_db_t *db)
+{
+    CK_VERSION rv;
+    DBT k, v;
+    int dbrv;
+    char buffer[64];
+
+    rv.major = rv.minor = 0;
+
+    k.data = PREFIX_METADATA "FormatVersion";
+    k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+    (void)memset(&v, 0, sizeof(v));
+
+    /* Locked region */
+    {
+        if (CKR_OK != NSSCKFWMutex_Lock(db->crustylock)) {
+            return rv;
+        }
+
+        dbrv = db->db->get(db->db, &k, &v, 0);
+        if (dbrv == 0) {
+            CK_ULONG major = 0, minor = 0;
+            (void)PR_sscanf(v.data, "%ld.%ld", &major, &minor);
+            rv.major = major;
+            rv.minor = minor;
+        } else if (dbrv > 0) {
+            (void)PR_snprintf(buffer, sizeof(buffer), "%ld.%ld", nss_dbm_db_format_version.major,
+                              nss_dbm_db_format_version.minor);
+            v.data = buffer;
+            v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
+            dbrv = db->db->put(db->db, &k, &v, 0);
+            (void)db->db->sync(db->db, 0);
+            rv = nss_dbm_db_format_version;
+        } else {
+            /* No error return.. */
+            ;
+        }
+
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_set_label(
+    nss_dbm_db_t *db,
+    NSSUTF8 *label)
+{
+    CK_RV rv;
+    DBT k, v;
+    int dbrv;
+
+    k.data = PREFIX_METADATA "Label";
+    k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+    v.data = label;
+    v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
+
+    /* Locked region */
+    {
+        rv = NSSCKFWMutex_Lock(db->crustylock);
+        if (CKR_OK != rv) {
+            return rv;
+        }
+
+        dbrv = db->db->put(db->db, &k, &v, 0);
+        if (0 != dbrv) {
+            rv = CKR_DEVICE_ERROR;
+        }
+
+        dbrv = db->db->sync(db->db, 0);
+        if (0 != dbrv) {
+            rv = CKR_DEVICE_ERROR;
+        }
+
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT NSSUTF8 *
+nss_dbm_db_get_label(
+    nss_dbm_db_t *db,
+    NSSArena *arena,
+    CK_RV *pError)
+{
+    NSSUTF8 *rv = (NSSUTF8 *)NULL;
+    DBT k, v;
+    int dbrv;
+
+    k.data = PREFIX_METADATA "Label";
+    k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+
+    /* Locked region */
+    {
+        if (CKR_OK != NSSCKFWMutex_Lock(db->crustylock)) {
+            return rv;
+        }
+
+        dbrv = db->db->get(db->db, &k, &v, 0);
+        if (0 == dbrv) {
+            rv = nssUTF8_Duplicate((NSSUTF8 *)v.data, arena);
+            if ((NSSUTF8 *)NULL == rv) {
+                *pError = CKR_HOST_MEMORY;
+            }
+        } else if (dbrv > 0) {
+            /* Just return null */
+            ;
+        } else {
+            *pError = CKR_DEVICE_ERROR;
+            ;
+        }
+
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_delete_object(
+    nss_dbm_dbt_t *dbt)
+{
+    CK_RV rv;
+    int dbrv;
+
+    /* Locked region */
+    {
+        rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != rv) {
+            return rv;
+        }
+
+        dbrv = dbt->my_db->db->del(dbt->my_db->db, &dbt->dbt, 0);
+        if (0 != dbrv) {
+            rv = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        dbrv = dbt->my_db->db->sync(dbt->my_db->db, 0);
+        if (0 != dbrv) {
+            rv = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+    return rv;
+}
+
+static CK_ULONG
+nss_dbm_db_new_handle(
+    nss_dbm_db_t *db,
+    DBT *dbt, /* pre-allocated */
+    CK_RV *pError)
+{
+    CK_ULONG rv;
+    DBT k, v;
+    CK_ULONG align = 0, id, myid;
+    struct handle *hp;
+
+    if (sizeof(struct handle) != dbt->size) {
+        return EINVAL;
+    }
+
+    /* Locked region */
+    {
+        *pError = NSSCKFWMutex_Lock(db->crustylock);
+        if (CKR_OK != *pError) {
+            return EINVAL;
+        }
+
+        k.data = PREFIX_METADATA "LastID";
+        k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+        (void)memset(&v, 0, sizeof(v));
+
+        rv = db->db->get(db->db, &k, &v, 0);
+        if (0 == rv) {
+            (void)memcpy(&align, v.data, sizeof(CK_ULONG));
+            id = ntohl(align);
+        } else if (rv > 0) {
+            id = 0;
+        } else {
+            goto done;
+        }
+
+        myid = id;
+        id++;
+        align = htonl(id);
+        v.data = &align;
+        v.size = sizeof(CK_ULONG);
+
+        rv = db->db->put(db->db, &k, &v, 0);
+        if (0 != rv) {
+            goto done;
+        }
+
+        rv = db->db->sync(db->db, 0);
+        if (0 != rv) {
+            goto done;
+        }
+
+    done:
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+    if (0 != rv) {
+        return rv;
+    }
+
+    hp = (struct handle *)dbt->data;
+    (void)memcpy(&hp->prefix[0], PREFIX_OBJECT, 4);
+    hp->id = myid;
+
+    return 0;
+}
+
+/*
+ * This attribute-type-dependent swapping should probably
+ * be in the Framework, because it'll be a concern of just
+ * about every Module.  Of course any Framework implementation
+ * will have to be augmentable or overridable by a Module.
+ */
+
+enum swap_type { type_byte,
+                 type_short,
+                 type_long,
+                 type_opaque };
+
+static enum swap_type
+nss_dbm_db_swap_type(
+    CK_ATTRIBUTE_TYPE type)
+{
+    switch (type) {
+        case CKA_CLASS:
+            return type_long;
+        case CKA_TOKEN:
+            return type_byte;
+        case CKA_PRIVATE:
+            return type_byte;
+        case CKA_LABEL:
+            return type_opaque;
+        case CKA_APPLICATION:
+            return type_opaque;
+        case CKA_VALUE:
+            return type_opaque;
+        case CKA_CERTIFICATE_TYPE:
+            return type_long;
+        case CKA_ISSUER:
+            return type_opaque;
+        case CKA_SERIAL_NUMBER:
+            return type_opaque;
+        case CKA_KEY_TYPE:
+            return type_long;
+        case CKA_SUBJECT:
+            return type_opaque;
+        case CKA_ID:
+            return type_opaque;
+        case CKA_SENSITIVE:
+            return type_byte;
+        case CKA_ENCRYPT:
+            return type_byte;
+        case CKA_DECRYPT:
+            return type_byte;
+        case CKA_WRAP:
+            return type_byte;
+        case CKA_UNWRAP:
+            return type_byte;
+        case CKA_SIGN:
+            return type_byte;
+        case CKA_SIGN_RECOVER:
+            return type_byte;
+        case CKA_VERIFY:
+            return type_byte;
+        case CKA_VERIFY_RECOVER:
+            return type_byte;
+        case CKA_DERIVE:
+            return type_byte;
+        case CKA_START_DATE:
+            return type_opaque;
+        case CKA_END_DATE:
+            return type_opaque;
+        case CKA_MODULUS:
+            return type_opaque;
+        case CKA_MODULUS_BITS:
+            return type_long;
+        case CKA_PUBLIC_EXPONENT:
+            return type_opaque;
+        case CKA_PRIVATE_EXPONENT:
+            return type_opaque;
+        case CKA_PRIME_1:
+            return type_opaque;
+        case CKA_PRIME_2:
+            return type_opaque;
+        case CKA_EXPONENT_1:
+            return type_opaque;
+        case CKA_EXPONENT_2:
+            return type_opaque;
+        case CKA_COEFFICIENT:
+            return type_opaque;
+        case CKA_PRIME:
+            return type_opaque;
+        case CKA_SUBPRIME:
+            return type_opaque;
+        case CKA_BASE:
+            return type_opaque;
+        case CKA_VALUE_BITS:
+            return type_long;
+        case CKA_VALUE_LEN:
+            return type_long;
+        case CKA_EXTRACTABLE:
+            return type_byte;
+        case CKA_LOCAL:
+            return type_byte;
+        case CKA_NEVER_EXTRACTABLE:
+            return type_byte;
+        case CKA_ALWAYS_SENSITIVE:
+            return type_byte;
+        case CKA_MODIFIABLE:
+            return type_byte;
+        case CKA_NSS_URL:
+            return type_opaque;
+        case CKA_NSS_EMAIL:
+            return type_opaque;
+        case CKA_NSS_SMIME_INFO:
+            return type_opaque;
+        case CKA_NSS_SMIME_TIMESTAMP:
+            return type_opaque;
+        case CKA_NSS_PKCS8_SALT:
+            return type_opaque;
+        case CKA_NSS_PASSWORD_CHECK:
+            return type_opaque;
+        case CKA_NSS_EXPIRES:
+            return type_opaque;
+        case CKA_TRUST_DIGITAL_SIGNATURE:
+            return type_long;
+        case CKA_TRUST_NON_REPUDIATION:
+            return type_long;
+        case CKA_TRUST_KEY_ENCIPHERMENT:
+            return type_long;
+        case CKA_TRUST_DATA_ENCIPHERMENT:
+            return type_long;
+        case CKA_TRUST_KEY_AGREEMENT:
+            return type_long;
+        case CKA_TRUST_KEY_CERT_SIGN:
+            return type_long;
+        case CKA_TRUST_CRL_SIGN:
+            return type_long;
+        case CKA_TRUST_SERVER_AUTH:
+            return type_long;
+        case CKA_TRUST_CLIENT_AUTH:
+            return type_long;
+        case CKA_TRUST_CODE_SIGNING:
+            return type_long;
+        case CKA_TRUST_EMAIL_PROTECTION:
+            return type_long;
+        case CKA_TRUST_IPSEC_END_SYSTEM:
+            return type_long;
+        case CKA_TRUST_IPSEC_TUNNEL:
+            return type_long;
+        case CKA_TRUST_IPSEC_USER:
+            return type_long;
+        case CKA_TRUST_TIME_STAMPING:
+            return type_long;
+        case CKA_NSS_DB:
+            return type_opaque;
+        case CKA_NSS_TRUST:
+            return type_opaque;
+        default:
+            return type_opaque;
+    }
+}
+
+static void
+nss_dbm_db_swap_copy(
+    CK_ATTRIBUTE_TYPE type,
+    void *dest,
+    void *src,
+    CK_ULONG len)
+{
+    switch (nss_dbm_db_swap_type(type)) {
+        case type_byte:
+        case type_opaque:
+            (void)memcpy(dest, src, len);
+            break;
+        case type_short: {
+            CK_USHORT s, d;
+            (void)memcpy(&s, src, sizeof(CK_USHORT));
+            d = htons(s);
+            (void)memcpy(dest, &d, sizeof(CK_USHORT));
+            break;
+        }
+        case type_long: {
+            CK_ULONG s, d;
+            (void)memcpy(&s, src, sizeof(CK_ULONG));
+            d = htonl(s);
+            (void)memcpy(dest, &d, sizeof(CK_ULONG));
+            break;
+        }
+    }
+}
+
+static CK_RV
+nss_dbm_db_wrap_object(
+    NSSArena *arena,
+    CK_ATTRIBUTE_PTR pTemplate,
+    CK_ULONG ulAttributeCount,
+    DBT *object)
+{
+    CK_ULONG object_size;
+    CK_ULONG i;
+    CK_ULONG *pulData;
+    char *pcData;
+    CK_ULONG offset;
+
+    object_size = (1 + ulAttributeCount * 3) * sizeof(CK_ULONG);
+    offset = object_size;
+    for (i = 0; i < ulAttributeCount; i++) {
+        object_size += pTemplate[i].ulValueLen;
+    }
+
+    object->size = object_size;
+    object->data = nss_ZAlloc(arena, object_size);
+    if ((void *)NULL == object->data) {
+        return CKR_HOST_MEMORY;
+    }
+
+    pulData = (CK_ULONG *)object->data;
+    pcData = (char *)object->data;
+
+    pulData[0] = htonl(ulAttributeCount);
+    for (i = 0; i < ulAttributeCount; i++) {
+        CK_ULONG len = pTemplate[i].ulValueLen;
+        pulData[1 + i * 3] = htonl(pTemplate[i].type);
+        pulData[2 + i * 3] = htonl(len);
+        pulData[3 + i * 3] = htonl(offset);
+        nss_dbm_db_swap_copy(pTemplate[i].type, &pcData[offset], pTemplate[i].pValue, len);
+        offset += len;
+    }
+
+    return CKR_OK;
+}
+
+static CK_RV
+nss_dbm_db_unwrap_object(
+    NSSArena *arena,
+    DBT *object,
+    CK_ATTRIBUTE_PTR *ppTemplate,
+    CK_ULONG *pulAttributeCount)
+{
+    CK_ULONG *pulData;
+    char *pcData;
+    CK_ULONG n, i;
+    CK_ATTRIBUTE_PTR pTemplate;
+
+    pulData = (CK_ULONG *)object->data;
+    pcData = (char *)object->data;
+
+    n = ntohl(pulData[0]);
+    *pulAttributeCount = n;
+    pTemplate = nss_ZNEWARRAY(arena, CK_ATTRIBUTE, n);
+    if ((CK_ATTRIBUTE_PTR)NULL == pTemplate) {
+        return CKR_HOST_MEMORY;
+    }
+
+    for (i = 0; i < n; i++) {
+        CK_ULONG len;
+        CK_ULONG offset;
+        void *p;
+
+        pTemplate[i].type = ntohl(pulData[1 + i * 3]);
+        len = ntohl(pulData[2 + i * 3]);
+        offset = ntohl(pulData[3 + i * 3]);
+
+        p = nss_ZAlloc(arena, len);
+        if ((void *)NULL == p) {
+            return CKR_HOST_MEMORY;
+        }
+
+        nss_dbm_db_swap_copy(pTemplate[i].type, p, &pcData[offset], len);
+        pTemplate[i].ulValueLen = len;
+        pTemplate[i].pValue = p;
+    }
+
+    *ppTemplate = pTemplate;
+    return CKR_OK;
+}
+
+NSS_IMPLEMENT nss_dbm_dbt_t *
+nss_dbm_db_create_object(
+    NSSArena *arena,
+    nss_dbm_db_t *db,
+    CK_ATTRIBUTE_PTR pTemplate,
+    CK_ULONG ulAttributeCount,
+    CK_RV *pError,
+    CK_ULONG *pdbrv)
+{
+    NSSArena *tmparena = (NSSArena *)NULL;
+    nss_dbm_dbt_t *rv = (nss_dbm_dbt_t *)NULL;
+    DBT object;
+
+    rv = nss_ZNEW(arena, nss_dbm_dbt_t);
+    if ((nss_dbm_dbt_t *)NULL == rv) {
+        *pError = CKR_HOST_MEMORY;
+        return (nss_dbm_dbt_t *)NULL;
+    }
+
+    rv->my_db = db;
+    rv->dbt.size = sizeof(struct handle);
+    rv->dbt.data = nss_ZAlloc(arena, rv->dbt.size);
+    if ((void *)NULL == rv->dbt.data) {
+        *pError = CKR_HOST_MEMORY;
+        return (nss_dbm_dbt_t *)NULL;
+    }
+
+    *pdbrv = nss_dbm_db_new_handle(db, &rv->dbt, pError);
+    if (0 != *pdbrv) {
+        return (nss_dbm_dbt_t *)NULL;
+    }
+
+    tmparena = NSSArena_Create();
+    if ((NSSArena *)NULL == tmparena) {
+        *pError = CKR_HOST_MEMORY;
+        return (nss_dbm_dbt_t *)NULL;
+    }
+
+    *pError = nss_dbm_db_wrap_object(tmparena, pTemplate, ulAttributeCount, &object);
+    if (CKR_OK != *pError) {
+        return (nss_dbm_dbt_t *)NULL;
+    }
+
+    /* Locked region */
+    {
+        *pError = NSSCKFWMutex_Lock(db->crustylock);
+        if (CKR_OK != *pError) {
+            goto loser;
+        }
+
+        *pdbrv = db->db->put(db->db, &rv->dbt, &object, 0);
+        if (0 != *pdbrv) {
+            *pError = CKR_DEVICE_ERROR;
+        }
+
+        (void)db->db->sync(db->db, 0);
+
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+loser:
+    if ((NSSArena *)NULL != tmparena) {
+        (void)NSSArena_Destroy(tmparena);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_find_objects(
+    nss_dbm_find_t *find,
+    nss_dbm_db_t *db,
+    CK_ATTRIBUTE_PTR pTemplate,
+    CK_ULONG ulAttributeCount,
+    CK_ULONG *pdbrv)
+{
+    CK_RV rv = CKR_OK;
+
+    if ((nss_dbm_db_t *)NULL != db) {
+        DBT k, v;
+
+        rv = NSSCKFWMutex_Lock(db->crustylock);
+        if (CKR_OK != rv) {
+            return rv;
+        }
+
+        *pdbrv = db->db->seq(db->db, &k, &v, R_FIRST);
+        while (0 == *pdbrv) {
+            CK_ULONG i, j;
+            NSSArena *tmparena = (NSSArena *)NULL;
+            CK_ULONG ulac;
+            CK_ATTRIBUTE_PTR pt;
+
+            if ((k.size < 4) || (0 != memcmp(k.data, PREFIX_OBJECT, 4))) {
+                goto nomatch;
+            }
+
+            tmparena = NSSArena_Create();
+
+            rv = nss_dbm_db_unwrap_object(tmparena, &v, &pt, &ulac);
+            if (CKR_OK != rv) {
+                goto loser;
+            }
+
+            for (i = 0; i < ulAttributeCount; i++) {
+                for (j = 0; j < ulac; j++) {
+                    if (pTemplate[i].type ==
+                        pt[j].type) {
+                        if (pTemplate[i].ulValueLen !=
+                            pt[j].ulValueLen) {
+                            goto nomatch;
+                        }
+                        if (0 !=
+                            memcmp(pTemplate[i].pValue, pt[j].pValue, pt[j].ulValueLen)) {
+                            goto nomatch;
+                        }
+                        break;
+                    }
+                }
+                if (j == ulac) {
+                    goto nomatch;
+                }
+            }
+
+            /* entire template matches */
+            {
+                struct nss_dbm_dbt_node *node;
+
+                node = nss_ZNEW(find->arena, struct nss_dbm_dbt_node);
+                if ((struct nss_dbm_dbt_node *)NULL == node) {
+                    rv =
+                        CKR_HOST_MEMORY;
+                    goto loser;
+                }
+
+                node->dbt = nss_ZNEW(find->arena, nss_dbm_dbt_t);
+                if ((nss_dbm_dbt_t *)NULL == node->dbt) {
+                    rv =
+                        CKR_HOST_MEMORY;
+                    goto loser;
+                }
+
+                node->dbt->dbt.size = k.size;
+                node->dbt->dbt.data = nss_ZAlloc(find->arena, k.size);
+                if ((void *)NULL == node->dbt->dbt.data) {
+                    rv =
+                        CKR_HOST_MEMORY;
+                    goto loser;
+                }
+
+                (void)memcpy(node->dbt->dbt.data, k.data, k.size);
+
+                node->dbt->my_db = db;
+
+                node->next = find->found;
+                find->found = node;
+            }
+
+        nomatch:
+            if ((NSSArena *)NULL != tmparena) {
+                (void)NSSArena_Destroy(tmparena);
+            }
+            *pdbrv = db->db->seq(db->db, &k, &v, R_NEXT);
+        }
+
+        if (*pdbrv < 0) {
+            rv = CKR_DEVICE_ERROR;
+            goto loser;
+        }
+
+        rv = CKR_OK;
+
+    loser:
+        (void)NSSCKFWMutex_Unlock(db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_BBOOL
+nss_dbm_db_object_still_exists(
+    nss_dbm_dbt_t *dbt)
+{
+    CK_BBOOL rv;
+    CK_RV ckrv;
+    int dbrv;
+    DBT object;
+
+    ckrv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+    if (CKR_OK != ckrv) {
+        return CK_FALSE;
+    }
+
+    dbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+    if (0 == dbrv) {
+        rv = CK_TRUE;
+    } else {
+        rv = CK_FALSE;
+    }
+
+    (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_ULONG
+nss_dbm_db_get_object_attribute_count(
+    nss_dbm_dbt_t *dbt,
+    CK_RV *pError,
+    CK_ULONG *pdbrv)
+{
+    CK_ULONG rv = 0;
+    DBT object;
+    CK_ULONG *pulData;
+
+    /* Locked region */
+    {
+        *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != *pError) {
+            return rv;
+        }
+
+        *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 == *pdbrv) {
+            ;
+        } else if (*pdbrv > 0) {
+            *pError = CKR_OBJECT_HANDLE_INVALID;
+            goto done;
+        } else {
+            *pError = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        pulData = (CK_ULONG *)object.data;
+        rv = ntohl(pulData[0]);
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_get_object_attribute_types(
+    nss_dbm_dbt_t *dbt,
+    CK_ATTRIBUTE_TYPE_PTR typeArray,
+    CK_ULONG ulCount,
+    CK_ULONG *pdbrv)
+{
+    CK_RV rv = CKR_OK;
+    DBT object;
+    CK_ULONG *pulData;
+    CK_ULONG n, i;
+
+    /* Locked region */
+    {
+        rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != rv) {
+            return rv;
+        }
+
+        *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 == *pdbrv) {
+            ;
+        } else if (*pdbrv > 0) {
+            rv = CKR_OBJECT_HANDLE_INVALID;
+            goto done;
+        } else {
+            rv = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        pulData = (CK_ULONG *)object.data;
+        n = ntohl(pulData[0]);
+
+        if (ulCount < n) {
+            rv = CKR_BUFFER_TOO_SMALL;
+            goto done;
+        }
+
+        for (i = 0; i < n; i++) {
+            typeArray[i] = ntohl(pulData[1 + i * 3]);
+        }
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_ULONG
+nss_dbm_db_get_object_attribute_size(
+    nss_dbm_dbt_t *dbt,
+    CK_ATTRIBUTE_TYPE type,
+    CK_RV *pError,
+    CK_ULONG *pdbrv)
+{
+    CK_ULONG rv = 0;
+    DBT object;
+    CK_ULONG *pulData;
+    CK_ULONG n, i;
+
+    /* Locked region */
+    {
+        *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != *pError) {
+            return rv;
+        }
+
+        *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 == *pdbrv) {
+            ;
+        } else if (*pdbrv > 0) {
+            *pError = CKR_OBJECT_HANDLE_INVALID;
+            goto done;
+        } else {
+            *pError = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        pulData = (CK_ULONG *)object.data;
+        n = ntohl(pulData[0]);
+
+        for (i = 0; i < n; i++) {
+            if (type == ntohl(pulData[1 + i * 3])) {
+                rv = ntohl(pulData[2 + i * 3]);
+            }
+        }
+
+        if (i == n) {
+            *pError = CKR_ATTRIBUTE_TYPE_INVALID;
+            goto done;
+        }
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT NSSItem *
+nss_dbm_db_get_object_attribute(
+    nss_dbm_dbt_t *dbt,
+    NSSArena *arena,
+    CK_ATTRIBUTE_TYPE type,
+    CK_RV *pError,
+    CK_ULONG *pdbrv)
+{
+    NSSItem *rv = (NSSItem *)NULL;
+    DBT object;
+    CK_ULONG i;
+    NSSArena *tmp = NSSArena_Create();
+    CK_ATTRIBUTE_PTR pTemplate;
+    CK_ULONG ulAttributeCount;
+
+    /* Locked region */
+    {
+        *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != *pError) {
+            goto loser;
+        }
+
+        *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 == *pdbrv) {
+            ;
+        } else if (*pdbrv > 0) {
+            *pError = CKR_OBJECT_HANDLE_INVALID;
+            goto done;
+        } else {
+            *pError = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        *pError = nss_dbm_db_unwrap_object(tmp, &object, &pTemplate, &ulAttributeCount);
+        if (CKR_OK != *pError) {
+            goto done;
+        }
+
+        for (i = 0; i < ulAttributeCount; i++) {
+            if (type == pTemplate[i].type) {
+                rv = nss_ZNEW(arena, NSSItem);
+                if ((NSSItem *)NULL == rv) {
+                    *pError =
+                        CKR_HOST_MEMORY;
+                    goto done;
+                }
+                rv->size = pTemplate[i].ulValueLen;
+                rv->data = nss_ZAlloc(arena, rv->size);
+                if ((void *)NULL == rv->data) {
+                    *pError =
+                        CKR_HOST_MEMORY;
+                    goto done;
+                }
+                (void)memcpy(rv->data, pTemplate[i].pValue, rv->size);
+                break;
+            }
+        }
+        if (ulAttributeCount == i) {
+            *pError = CKR_ATTRIBUTE_TYPE_INVALID;
+            goto done;
+        }
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+loser:
+    if ((NSSArena *)NULL != tmp) {
+        NSSArena_Destroy(tmp);
+    }
+
+    return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_set_object_attribute(
+    nss_dbm_dbt_t *dbt,
+    CK_ATTRIBUTE_TYPE type,
+    NSSItem *value,
+    CK_ULONG *pdbrv)
+{
+    CK_RV rv = CKR_OK;
+    DBT object;
+    CK_ULONG i;
+    NSSArena *tmp = NSSArena_Create();
+    CK_ATTRIBUTE_PTR pTemplate;
+    CK_ULONG ulAttributeCount;
+
+    /* Locked region */
+    {
+        rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+        if (CKR_OK != rv) {
+            goto loser;
+        }
+
+        *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 == *pdbrv) {
+            ;
+        } else if (*pdbrv > 0) {
+            rv = CKR_OBJECT_HANDLE_INVALID;
+            goto done;
+        } else {
+            rv = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        rv = nss_dbm_db_unwrap_object(tmp, &object, &pTemplate, &ulAttributeCount);
+        if (CKR_OK != rv) {
+            goto done;
+        }
+
+        for (i = 0; i < ulAttributeCount; i++) {
+            if (type == pTemplate[i].type) {
+                /* Replacing an existing attribute */
+                pTemplate[i].ulValueLen = value->size;
+                pTemplate[i].pValue = value->data;
+                break;
+            }
+        }
+
+        if (i == ulAttributeCount) {
+            /* Adding a new attribute */
+            CK_ATTRIBUTE_PTR npt = nss_ZNEWARRAY(tmp, CK_ATTRIBUTE, ulAttributeCount + 1);
+            if ((CK_ATTRIBUTE_PTR)NULL == npt) {
+                rv = CKR_DEVICE_ERROR;
+                goto done;
+            }
+
+            for (i = 0; i < ulAttributeCount; i++) {
+                npt[i] = pTemplate[i];
+            }
+
+            npt[ulAttributeCount].type = type;
+            npt[ulAttributeCount].ulValueLen = value->size;
+            npt[ulAttributeCount].pValue = value->data;
+
+            pTemplate = npt;
+            ulAttributeCount++;
+        }
+
+        rv = nss_dbm_db_wrap_object(tmp, pTemplate, ulAttributeCount, &object);
+        if (CKR_OK != rv) {
+            goto done;
+        }
+
+        *pdbrv = dbt->my_db->db->put(dbt->my_db->db, &dbt->dbt, &object, 0);
+        if (0 != *pdbrv) {
+            rv = CKR_DEVICE_ERROR;
+            goto done;
+        }
+
+        (void)dbt->my_db->db->sync(dbt->my_db->db, 0);
+
+    done:
+        (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+    }
+
+loser:
+    if ((NSSArena *)NULL != tmp) {
+        NSSArena_Destroy(tmp);
+    }
+
+    return rv;
+}