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/* vi: set sw=4 ts=4:
*
* Copyright (C) 2009 - 2010 Christian Hohnstaedt.
*
* All rights reserved.
*/
#include "pkcs11.h"
#include "pk11_attribute.h"
#include "exception.h"
#include <QObject>
void pk11_attribute::load(const slotid &slot,
CK_SESSION_HANDLE sess, CK_OBJECT_HANDLE obj)
{
CK_RV rv;
rv = slot.p11()->C_GetAttributeValue(sess, obj, &attr, 1);
if (rv != CKR_OK)
pk11error("C_GetAttribute()", rv);
}
void pk11_attr_data::load(const slotid &slot,
CK_SESSION_HANDLE sess, CK_OBJECT_HANDLE obj)
{
CK_RV rv;
if (attr.pValue) {
free(attr.pValue);
attr.pValue = NULL;
}
attr.ulValueLen = 0;
rv = slot.p11()->C_GetAttributeValue(sess, obj, &attr, 1);
if (rv == CKR_OK) {
attr.pValue = malloc(attr.ulValueLen +1);
Q_CHECK_PTR(attr.pValue);
rv = slot.p11()->C_GetAttributeValue(sess, obj, &attr, 1); \
if (rv == CKR_OK)
return;
}
pk11error("C_GetAttributeValue(data)", rv); \
}
void pk11_attr_data::setValue(const unsigned char *ptr, unsigned long len)
{
if (attr.pValue)
free(attr.pValue);
if (!ptr || len == 0) {
attr.ulValueLen = 0;
attr.pValue = NULL;
return;
}
attr.pValue = malloc(len+1);
Q_CHECK_PTR(attr.pValue);
memcpy(attr.pValue, ptr, len);
attr.ulValueLen = len;
((char*)attr.pValue)[len] = 0;
}
void pk11_attr_data::setConstBignum(const BIGNUM *bn)
{
attr.ulValueLen = BN_num_bytes(bn);
if (attr.pValue)
free(attr.pValue);
attr.pValue = malloc(attr.ulValueLen);
Q_CHECK_PTR(attr.pValue);
attr.ulValueLen = BN_bn2bin(bn, (unsigned char *)attr.pValue);
}
void pk11_attr_data::setBignum(BIGNUM *bn, bool consume)
{
setConstBignum(bn);
if (consume)
BN_free(bn);
}
void pk11_attribute::store(const slotid &slot,
CK_SESSION_HANDLE sess, CK_OBJECT_HANDLE obj)
{
CK_RV rv;
rv = slot.p11()->C_SetAttributeValue(sess, obj, &attr, 1);
if (rv != CKR_OK)
pk11error("C_SetAttributeValue", rv);
}
void pk11_attlist::copy(const pk11_attlist &a)
{
reset();
attlen = a.attlen;
alloc_len = a.alloc_len;
if (alloc_len) {
attributes =
(CK_ATTRIBUTE *)malloc(alloc_len *sizeof(*attributes));
Q_CHECK_PTR(attributes);
memcpy(attributes, a.attributes, attlen *sizeof(*attributes));
}
for (unsigned long i=0; i<attlen; i++) {
char *p = (char*)malloc(attributes[i].ulValueLen +1);
Q_CHECK_PTR(p);
memcpy(p, a.attributes[i].pValue, attributes[i].ulValueLen);
p[attributes[i].ulValueLen] = '\0';
attributes[i].pValue = p;
}
}
pk11_attlist::pk11_attlist(const pk11_attlist &a)
{
copy(a);
}
pk11_attlist::~pk11_attlist()
{
for (unsigned long i=0; i<attlen; i++) {
memset(attributes[i].pValue, 0, attributes[i].ulValueLen);
free(attributes[i].pValue);
}
if (attributes)
free(attributes);
}
void pk11_attlist::addAttribute(const pk11_attribute &a)
{
CK_ATTRIBUTE *attr;
if (attlen == alloc_len) {
alloc_len = alloc_len ? alloc_len *2 : 16;
attributes = (CK_ATTRIBUTE *)realloc(attributes,
alloc_len * sizeof(*attributes));
Q_CHECK_PTR(attributes);
}
attr = attributes + attlen++;
attr->type = a.attr.type;
attr->ulValueLen = a.attr.ulValueLen;
attr->pValue = malloc(attr->ulValueLen +1);
Q_CHECK_PTR(attr->pValue);
memcpy(attr->pValue, a.attr.pValue, attr->ulValueLen);
((char*)attr->pValue)[attr->ulValueLen] = 0;
}
void pk11_attlist::reset()
{
for (unsigned long i=0; i<attlen; i++)
free(attributes[i].pValue);
attlen = 0;
}
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