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pkcs11: Method added to library to extract a single attribute from an object.

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This commit is contained in:
Tobias Brunner
2011-10-31 18:45:36 +01:00
parent 6a5020fc67
commit 8531106578
2 changed files with 50 additions and 1 deletions
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src/libstrongswan/plugins/pkcs11/pkcs11_library.c
+30
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@@ -1,4 +1,7 @@
/*
* Copyright (C) 2011 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
@@ -824,6 +827,32 @@ METHOD(pkcs11_library_t, create_mechanism_enumerator, enumerator_t*,
return &enumerator->public;
}
METHOD(pkcs11_library_t, get_ck_attribute, bool,
private_pkcs11_library_t *this, CK_SESSION_HANDLE session,
CK_OBJECT_HANDLE obj, CK_ATTRIBUTE_TYPE type, chunk_t *data)
{
CK_ATTRIBUTE attr = { type, NULL, 0 };
CK_RV rv;
rv = this->public.f->C_GetAttributeValue(session, obj, &attr, 1);
if (rv != CKR_OK)
{
DBG1(DBG_CFG, "C_GetAttributeValue(%N) error: %N", ck_attr_names, type,
ck_rv_names, rv);
return FALSE;
}
*data = chunk_alloc(attr.ulValueLen);
attr.pValue = data->ptr;
rv = this->public.f->C_GetAttributeValue(session, obj, &attr, 1);
if (rv != CKR_OK)
{
DBG1(DBG_CFG, "C_GetAttributeValue(%N) error: %N", ck_attr_names, type,
ck_rv_names, rv);
chunk_free(data);
return FALSE;
}
return TRUE;
}
METHOD(pkcs11_library_t, destroy, void,
private_pkcs11_library_t *this)
{
@@ -1007,6 +1036,7 @@ pkcs11_library_t *pkcs11_library_create(char *name, char *file, bool os_locking)
.get_features = _get_features,
.create_object_enumerator = _create_object_enumerator,
.create_mechanism_enumerator = _create_mechanism_enumerator,
.get_ck_attribute = _get_ck_attribute,
.destroy = _destroy,
},
.name = name,