Sweden-Number/dlls/ncrypt/main.c

483 lines
15 KiB
C
Raw Normal View History

/*
* New cryptographic library (ncrypt.dll)
*
* Copyright 2016 Alex Henrie
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "ncrypt.h"
#include "bcrypt.h"
#include "ncrypt_internal.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ncrypt);
static SECURITY_STATUS map_ntstatus(NTSTATUS status)
{
switch (status)
{
case STATUS_INVALID_HANDLE: return NTE_INVALID_HANDLE;
case STATUS_INVALID_SIGNATURE: return NTE_BAD_SIGNATURE;
case STATUS_SUCCESS: return ERROR_SUCCESS;
case STATUS_INVALID_PARAMETER: return NTE_INVALID_PARAMETER;
case STATUS_NOT_SUPPORTED: return NTE_NOT_SUPPORTED;
case NTE_BAD_DATA: return NTE_BAD_DATA;
default:
FIXME("unhandled status %#lx\n", status);
return NTE_INTERNAL_ERROR;
}
}
static struct object *allocate_object(enum object_type type)
{
struct object *ret;
if (!(ret = calloc(1, sizeof(*ret)))) return NULL;
ret->type = type;
return ret;
}
static struct object_property *get_object_property(struct object *object, const WCHAR *name)
{
unsigned int i;
for (i = 0; i < object->num_properties; i++)
{
struct object_property *property = &object->properties[i];
if (!lstrcmpW(property->key, name)) return property;
}
return NULL;
}
struct object_property *add_object_property(struct object *object, const WCHAR *name)
{
struct object_property *property;
if (!object->num_properties)
{
if (!(object->properties = malloc(sizeof(*property))))
{
ERR("Error allocating memory.\n");
return NULL;
}
property = &object->properties[object->num_properties++];
}
else
{
struct object_property *tmp;
if (!(tmp = realloc(object->properties, sizeof(*property) * (object->num_properties + 1))))
{
ERR("Error allocating memory.\n");
return NULL;
}
object->properties = tmp;
property = &object->properties[object->num_properties++];
}
memset(property, 0, sizeof(*property));
if (!(property->key = malloc((lstrlenW(name) + 1) * sizeof(WCHAR))))
{
ERR("Error allocating memory.\n");
return NULL;
}
lstrcpyW(property->key, name);
return property;
}
static SECURITY_STATUS set_object_property(struct object *object, const WCHAR *name, BYTE *value, DWORD value_size)
{
struct object_property *property = get_object_property(object, name);
void *tmp;
if (!property && !(property = add_object_property(object, name))) return NTE_NO_MEMORY;
property->value_size = value_size;
if (!(tmp = realloc(property->value, value_size)))
{
ERR("Error allocating memory.\n");
free(property->key);
property->key = NULL;
return NTE_NO_MEMORY;
}
property->value = tmp;
memcpy(property->value, value, value_size);
return ERROR_SUCCESS;
}
static struct object *create_key_object(enum algid algid, NCRYPT_PROV_HANDLE provider)
{
struct object *object;
NTSTATUS status;
if (!(object = allocate_object(KEY)))
{
ERR("Error allocating memory\n");
return NULL;
}
switch (algid)
{
case RSA:
{
status = BCryptOpenAlgorithmProvider(&object->key.bcrypt_alg, BCRYPT_RSA_ALGORITHM, NULL, 0);
if (status != STATUS_SUCCESS)
{
ERR("Error opening algorithm provider %#lx\n", status);
free(object);
return NULL;
}
object->key.algid = RSA;
set_object_property(object, NCRYPT_ALGORITHM_GROUP_PROPERTY, (BYTE *)BCRYPT_RSA_ALGORITHM,
sizeof(BCRYPT_RSA_ALGORITHM));
break;
}
default:
{
ERR("Invalid algid %#x\n", algid);
free(object);
return NULL;
}
}
set_object_property(object, NCRYPT_PROVIDER_HANDLE_PROPERTY, (BYTE *)&provider, sizeof(provider));
return object;
}
SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE *key,
const WCHAR *algid, const WCHAR *name, DWORD keyspec, DWORD flags)
{
struct object *object;
TRACE("(%#Ix, %p, %s, %s, %#lx, %#lx)\n", provider, key, wine_dbgstr_w(algid),
wine_dbgstr_w(name), keyspec, flags);
if (!provider) return NTE_INVALID_HANDLE;
if (!algid) return HRESULT_FROM_WIN32(RPC_X_NULL_REF_POINTER);
if (name) FIXME("Persistent keys are not supported\n");
if (!lstrcmpiW(algid, BCRYPT_RSA_ALGORITHM))
{
NTSTATUS status;
DWORD default_bitlen = 1024;
if (!(object = create_key_object(RSA, provider)))
{
ERR("Error allocating memory\n");
return NTE_NO_MEMORY;
}
status = BCryptGenerateKeyPair(object->key.bcrypt_alg, &object->key.bcrypt_key, default_bitlen, 0);
if (status != STATUS_SUCCESS)
{
ERR("Error generating key pair %#lx\n", status);
BCryptCloseAlgorithmProvider(object->key.bcrypt_alg, 0);
free(object);
return map_ntstatus(status);
}
set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&default_bitlen, sizeof(default_bitlen));
}
else
{
FIXME("Algorithm not handled %s\n", wine_dbgstr_w(algid));
return NTE_NOT_SUPPORTED;
}
*key = (NCRYPT_KEY_HANDLE)object;
return ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptDecrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding,
BYTE *output, DWORD outsize, DWORD *result, DWORD flags)
{
FIXME("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx): stub\n", key, input, insize, padding,
output, outsize, result, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptDeleteKey(NCRYPT_KEY_HANDLE key, DWORD flags)
{
FIXME("(%#Ix, %#lx): stub\n", key, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding,
BYTE *output, DWORD outsize, DWORD *result, DWORD flags)
{
FIXME("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx): stub\n", key, input, insize, padding,
output, outsize, result, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptEnumAlgorithms(NCRYPT_PROV_HANDLE provider, DWORD alg_ops,
DWORD *alg_count, NCryptAlgorithmName **alg_list, DWORD flags)
{
FIXME("(%#Ix, %#lx, %p, %p, %#lx): stub\n", provider, alg_ops, alg_count, alg_list, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptEnumKeys(NCRYPT_PROV_HANDLE provider, const WCHAR *scope,
NCryptKeyName **key_name, PVOID *enum_state, DWORD flags)
{
FIXME("(%#Ix, %p, %p, %p, %#lx): stub\n", provider, scope, key_name, enum_state, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptFinalizeKey(NCRYPT_KEY_HANDLE handle, DWORD flags)
{
struct object *object = (struct object *)handle;
DWORD key_length;
struct object_property *prop;
NTSTATUS status;
TRACE("(%#Ix, %#lx)\n", handle, flags);
if (!object || object->type != KEY) return NTE_INVALID_HANDLE;
if (!(prop = get_object_property(object, NCRYPT_LENGTH_PROPERTY))) return NTE_INVALID_HANDLE;
key_length = *(DWORD *)prop->value;
status = BCryptSetProperty(object->key.bcrypt_key, BCRYPT_KEY_LENGTH, (UCHAR *)&key_length, sizeof(key_length), 0);
if (status != STATUS_SUCCESS)
{
ERR("Error setting key length property\n");
return map_ntstatus(status);
}
status = BCryptFinalizeKeyPair(object->key.bcrypt_key, 0);
if (status != STATUS_SUCCESS)
{
ERR("Error finalizing key pair\n");
return map_ntstatus(status);
}
return ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptFreeBuffer(PVOID buf)
{
FIXME("(%p): stub\n", buf);
return NTE_NOT_SUPPORTED;
}
static SECURITY_STATUS free_key_object(struct key *key)
{
NTSTATUS status, status2;
status = BCryptDestroyKey(key->bcrypt_key);
if ((status2 = BCryptCloseAlgorithmProvider(key->bcrypt_alg, 0))) return map_ntstatus(status2);
return status ? map_ntstatus(status) : ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptFreeObject(NCRYPT_HANDLE handle)
{
struct object *object = (struct object *)handle;
SECURITY_STATUS ret = STATUS_SUCCESS;
unsigned int i;
TRACE("(%#Ix)\n", handle);
if (!object)
{
WARN("invalid handle %#Ix\n", handle);
return NTE_INVALID_HANDLE;
}
switch (object->type)
{
case KEY:
{
if ((ret = free_key_object(&object->key))) return ret;
break;
}
case STORAGE_PROVIDER:
break;
default:
WARN("invalid handle %#Ix\n", handle);
return NTE_INVALID_HANDLE;
}
for (i = 0; i < object->num_properties; i++)
{
free(object->properties[i].key);
free(object->properties[i].value);
}
free(object->properties);
free(object);
return ret;
}
SECURITY_STATUS WINAPI NCryptGetProperty(NCRYPT_HANDLE handle, const WCHAR *name, BYTE *output,
DWORD outsize, DWORD *result, DWORD flags)
{
struct object *object = (struct object *)handle;
const struct object_property *property;
TRACE("(%#Ix, %s, %p, %lu, %p, %#lx)\n", handle, wine_dbgstr_w(name), output, outsize, result, flags);
if (flags) FIXME("flags %#lx not supported\n", flags);
if (!object) return NTE_INVALID_HANDLE;
if (!(property = get_object_property(object, name))) return NTE_INVALID_PARAMETER;
*result = property->value_size;
if (!output) return ERROR_SUCCESS;
if (outsize < property->value_size) return NTE_BUFFER_TOO_SMALL;
memcpy(output, property->value, property->value_size);
return ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptImportKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE decrypt_key,
const WCHAR *type, NCryptBufferDesc *params, NCRYPT_KEY_HANDLE *handle,
BYTE *data, DWORD datasize, DWORD flags)
{
BCRYPT_KEY_BLOB *header = (BCRYPT_KEY_BLOB *)data;
struct object *object;
TRACE("(%#Ix, %#Ix, %s, %p, %p, %p, %lu, %#lx)\n", provider, decrypt_key, wine_dbgstr_w(type),
params, handle, data, datasize, flags);
if (decrypt_key)
{
FIXME("Key blob decryption not implemented\n");
return NTE_NOT_SUPPORTED;
}
if (params)
{
FIXME("Parameter information not implemented\n");
return NTE_NOT_SUPPORTED;
}
if (flags == NCRYPT_SILENT_FLAG)
{
FIXME("Silent flag not implemented\n");
}
else if (flags)
{
WARN("Invalid flags %#lx\n", flags);
return NTE_BAD_FLAGS;
}
switch(header->Magic)
{
case BCRYPT_RSAFULLPRIVATE_MAGIC:
case BCRYPT_RSAPRIVATE_MAGIC:
case BCRYPT_RSAPUBLIC_MAGIC:
{
NTSTATUS status;
BCRYPT_RSAKEY_BLOB *rsablob = (BCRYPT_RSAKEY_BLOB *)data;
if (!(object = create_key_object(RSA, provider)))
{
ERR("Error allocating memory\n");
return NTE_NO_MEMORY;
}
status = BCryptImportKeyPair(object->key.bcrypt_alg, NULL, type, &object->key.bcrypt_key, data, datasize, 0);
if (status != STATUS_SUCCESS)
{
WARN("Error importing key pair %#lx\n", status);
BCryptCloseAlgorithmProvider(object->key.bcrypt_alg, 0);
free(object);
return map_ntstatus(status);
}
set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&rsablob->BitLength, sizeof(rsablob->BitLength));
break;
}
default:
FIXME("Unhandled key magic %#lx\n", header->Magic);
return NTE_INVALID_PARAMETER;
}
*handle = (NCRYPT_KEY_HANDLE)object;
return ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptIsAlgSupported(NCRYPT_PROV_HANDLE provider, const WCHAR *algid, DWORD flags)
{
FIXME("(%#Ix, %s, %#lx): stub\n", provider, wine_dbgstr_w(algid), flags);
return NTE_NOT_SUPPORTED;
}
BOOL WINAPI NCryptIsKeyHandle(NCRYPT_KEY_HANDLE hKey)
{
FIXME("(%#Ix): stub\n", hKey);
return FALSE;
}
SECURITY_STATUS WINAPI NCryptOpenKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE *key,
const WCHAR *name, DWORD keyspec, DWORD flags)
{
FIXME("(%#Ix, %p, %s, %#lx, %#lx): stub\n", provider, key, wine_dbgstr_w(name), keyspec, flags);
return NTE_NOT_SUPPORTED;
}
SECURITY_STATUS WINAPI NCryptOpenStorageProvider(NCRYPT_PROV_HANDLE *provider, const WCHAR *name, DWORD flags)
{
struct object *object;
FIXME("(%p, %s, %#lx): stub\n", provider, wine_dbgstr_w(name), flags);
if (!(object = allocate_object(STORAGE_PROVIDER)))
{
ERR("Error allocating memory.\n");
return NTE_NO_MEMORY;
}
*provider = (NCRYPT_PROV_HANDLE)object;
return ERROR_SUCCESS;
}
SECURITY_STATUS WINAPI NCryptSetProperty(NCRYPT_HANDLE handle, const WCHAR *name, BYTE *input, DWORD insize, DWORD flags)
{
struct object *object = (struct object *)handle;
TRACE("(%#Ix, %s, %p, %lu, %#lx)\n", handle, wine_dbgstr_w(name), input, insize, flags);
if (flags) FIXME("flags %#lx not supported\n", flags);
if (!object) return NTE_INVALID_HANDLE;
return set_object_property(object, name, input, insize);
}
SECURITY_STATUS WINAPI NCryptVerifySignature(NCRYPT_KEY_HANDLE handle, void *padding, BYTE *hash, DWORD hash_size,
BYTE *signature, DWORD signature_size, DWORD flags)
{
struct object *key_object = (struct object *)handle;
TRACE("(%#Ix, %p, %p, %lu, %p, %lu, %#lx)\n", handle, padding, hash, hash_size, signature,
signature_size, flags);
if (!hash_size || !signature_size) return NTE_INVALID_PARAMETER;
if (!hash || !signature) return HRESULT_FROM_WIN32(RPC_X_NULL_REF_POINTER);
if (!handle || key_object->type != KEY) return NTE_INVALID_HANDLE;
if (key_object->key.algid < RSA)
{
FIXME("Symmetric keys not supported.\n");
return NTE_NOT_SUPPORTED;
}
return map_ntstatus(BCryptVerifySignature(key_object->key.bcrypt_key, padding, hash, hash_size, signature,
signature_size, flags));
}