1575 lines
52 KiB
C
1575 lines
52 KiB
C
/* Copyright (C) 2005 Juan Lang
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* Copyright 2008 Henri Verbeet
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* This file implements the schannel provider, or, the SSL/TLS implementations.
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <errno.h>
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "winreg.h"
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#include "winnls.h"
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#include "lmcons.h"
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#include "sspi.h"
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#include "schannel.h"
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#include "wine/unixlib.h"
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#include "wine/debug.h"
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#include "secur32_priv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(secur32);
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static unixlib_handle_t gnutls_handle;
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#define GNUTLS_CALL( func, params ) __wine_unix_call( gnutls_handle, unix_ ## func, params )
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#define SCHAN_INVALID_HANDLE ~0UL
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enum schan_handle_type
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{
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SCHAN_HANDLE_CRED,
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SCHAN_HANDLE_CTX,
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SCHAN_HANDLE_FREE
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};
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struct schan_handle
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{
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void *object;
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enum schan_handle_type type;
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};
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struct schan_context
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{
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struct schan_transport transport;
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ULONG req_ctx_attr;
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const CERT_CONTEXT *cert;
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SIZE_T header_size;
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};
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static struct schan_handle *schan_handle_table;
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static struct schan_handle *schan_free_handles;
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static SIZE_T schan_handle_table_size;
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static SIZE_T schan_handle_count;
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/* Protocols enabled, only those may be used for the connection. */
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static DWORD config_enabled_protocols;
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/* Protocols disabled by default. They are enabled for using, but disabled when caller asks for default settings. */
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static DWORD config_default_disabled_protocols;
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static ULONG_PTR schan_alloc_handle(void *object, enum schan_handle_type type)
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{
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struct schan_handle *handle;
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if (schan_free_handles)
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{
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DWORD index = schan_free_handles - schan_handle_table;
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/* Use a free handle */
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handle = schan_free_handles;
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if (handle->type != SCHAN_HANDLE_FREE)
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{
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ERR("Handle %d(%p) is in the free list, but has type %#x.\n", index, handle, handle->type);
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return SCHAN_INVALID_HANDLE;
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}
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schan_free_handles = handle->object;
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handle->object = object;
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handle->type = type;
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return index;
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}
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if (!(schan_handle_count < schan_handle_table_size))
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{
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/* Grow the table */
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SIZE_T new_size = schan_handle_table_size + (schan_handle_table_size >> 1);
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struct schan_handle *new_table = realloc(schan_handle_table, new_size * sizeof(*schan_handle_table));
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if (!new_table)
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{
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ERR("Failed to grow the handle table\n");
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return SCHAN_INVALID_HANDLE;
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}
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schan_handle_table = new_table;
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schan_handle_table_size = new_size;
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}
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handle = &schan_handle_table[schan_handle_count++];
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handle->object = object;
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handle->type = type;
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return handle - schan_handle_table;
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}
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static void *schan_free_handle(ULONG_PTR handle_idx, enum schan_handle_type type)
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{
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struct schan_handle *handle;
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void *object;
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if (handle_idx == SCHAN_INVALID_HANDLE) return NULL;
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if (handle_idx >= schan_handle_count) return NULL;
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handle = &schan_handle_table[handle_idx];
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if (handle->type != type)
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{
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ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type);
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return NULL;
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}
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object = handle->object;
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handle->object = schan_free_handles;
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handle->type = SCHAN_HANDLE_FREE;
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schan_free_handles = handle;
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return object;
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}
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static void *schan_get_object(ULONG_PTR handle_idx, enum schan_handle_type type)
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{
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struct schan_handle *handle;
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if (handle_idx == SCHAN_INVALID_HANDLE) return NULL;
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if (handle_idx >= schan_handle_count) return NULL;
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handle = &schan_handle_table[handle_idx];
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if (handle->type != type)
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{
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ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type);
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return NULL;
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}
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return handle->object;
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}
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static void read_config(void)
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{
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DWORD enabled = 0, default_disabled = 0;
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HKEY protocols_key, key;
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WCHAR subkey_name[64];
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unsigned i;
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DWORD res;
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static BOOL config_read = FALSE;
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static const struct {
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WCHAR key_name[20];
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DWORD prot_client_flag;
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BOOL enabled; /* If no config is present, enable the protocol */
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BOOL disabled_by_default; /* Disable if caller asks for default protocol set */
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} protocol_config_keys[] = {
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{ L"SSL 2.0", SP_PROT_SSL2_CLIENT, FALSE, TRUE }, /* NOTE: TRUE, TRUE on Windows */
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{ L"SSL 3.0", SP_PROT_SSL3_CLIENT, TRUE, FALSE },
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{ L"TLS 1.0", SP_PROT_TLS1_0_CLIENT, TRUE, FALSE },
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{ L"TLS 1.1", SP_PROT_TLS1_1_CLIENT, TRUE, FALSE /* NOTE: not enabled by default on Windows */ },
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{ L"TLS 1.2", SP_PROT_TLS1_2_CLIENT, TRUE, FALSE /* NOTE: not enabled by default on Windows */ },
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{ L"DTLS 1.0", SP_PROT_DTLS1_0_CLIENT, TRUE, TRUE },
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{ L"DTLS 1.2", SP_PROT_DTLS1_2_CLIENT, TRUE, TRUE },
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};
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/* No need for thread safety */
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if(config_read)
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return;
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res = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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L"SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\SCHANNEL\\Protocols", 0, KEY_READ,
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&protocols_key);
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if(res == ERROR_SUCCESS) {
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DWORD type, size, value;
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for(i = 0; i < ARRAY_SIZE(protocol_config_keys); i++) {
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wcscpy(subkey_name, protocol_config_keys[i].key_name);
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wcscat(subkey_name, L"\\Client");
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res = RegOpenKeyExW(protocols_key, subkey_name, 0, KEY_READ, &key);
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if(res != ERROR_SUCCESS) {
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if(protocol_config_keys[i].enabled)
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enabled |= protocol_config_keys[i].prot_client_flag;
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if(protocol_config_keys[i].disabled_by_default)
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default_disabled |= protocol_config_keys[i].prot_client_flag;
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continue;
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}
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size = sizeof(value);
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res = RegQueryValueExW(key, L"enabled", NULL, &type, (BYTE *)&value, &size);
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if(res == ERROR_SUCCESS) {
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if(type == REG_DWORD && value)
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enabled |= protocol_config_keys[i].prot_client_flag;
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}else if(protocol_config_keys[i].enabled) {
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enabled |= protocol_config_keys[i].prot_client_flag;
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}
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size = sizeof(value);
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res = RegQueryValueExW(key, L"DisabledByDefault", NULL, &type, (BYTE *)&value, &size);
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if(res == ERROR_SUCCESS) {
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if(type != REG_DWORD || value)
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default_disabled |= protocol_config_keys[i].prot_client_flag;
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}else if(protocol_config_keys[i].disabled_by_default) {
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default_disabled |= protocol_config_keys[i].prot_client_flag;
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}
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RegCloseKey(key);
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}
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}else {
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/* No config, enable all known protocols. */
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for(i = 0; i < ARRAY_SIZE(protocol_config_keys); i++) {
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if(protocol_config_keys[i].enabled)
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enabled |= protocol_config_keys[i].prot_client_flag;
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if(protocol_config_keys[i].disabled_by_default)
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default_disabled |= protocol_config_keys[i].prot_client_flag;
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}
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}
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RegCloseKey(protocols_key);
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config_enabled_protocols = enabled & GNUTLS_CALL( get_enabled_protocols, NULL );
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config_default_disabled_protocols = default_disabled;
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config_read = TRUE;
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TRACE("enabled %x, disabled by default %x\n", config_enabled_protocols, config_default_disabled_protocols);
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}
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static SECURITY_STATUS schan_QueryCredentialsAttributes(
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PCredHandle phCredential, ULONG ulAttribute, VOID *pBuffer)
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{
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struct schan_credentials *cred;
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SECURITY_STATUS ret;
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cred = schan_get_object(phCredential->dwLower, SCHAN_HANDLE_CRED);
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if(!cred)
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return SEC_E_INVALID_HANDLE;
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switch (ulAttribute)
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{
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case SECPKG_ATTR_SUPPORTED_ALGS:
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if (pBuffer)
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{
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/* FIXME: get from CryptoAPI */
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FIXME("SECPKG_ATTR_SUPPORTED_ALGS: stub\n");
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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}
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else
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ret = SEC_E_INTERNAL_ERROR;
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break;
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case SECPKG_ATTR_CIPHER_STRENGTHS:
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if (pBuffer)
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{
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SecPkgCred_CipherStrengths *r = pBuffer;
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/* FIXME: get from CryptoAPI */
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FIXME("SECPKG_ATTR_CIPHER_STRENGTHS: semi-stub\n");
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r->dwMinimumCipherStrength = 40;
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r->dwMaximumCipherStrength = 168;
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ret = SEC_E_OK;
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}
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else
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ret = SEC_E_INTERNAL_ERROR;
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break;
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case SECPKG_ATTR_SUPPORTED_PROTOCOLS:
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if(pBuffer) {
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/* Regardless of MSDN documentation, tests show that this attribute takes into account
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* what protocols are enabled for given credential. */
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((SecPkgCred_SupportedProtocols*)pBuffer)->grbitProtocol = cred->enabled_protocols;
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ret = SEC_E_OK;
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}else {
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ret = SEC_E_INTERNAL_ERROR;
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}
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break;
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default:
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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}
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return ret;
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}
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static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesA(
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PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
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{
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SECURITY_STATUS ret;
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TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
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switch (ulAttribute)
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{
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case SECPKG_CRED_ATTR_NAMES:
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FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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break;
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default:
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ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute,
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pBuffer);
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}
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return ret;
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}
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static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesW(
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PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer)
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{
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SECURITY_STATUS ret;
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TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer);
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switch (ulAttribute)
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{
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case SECPKG_CRED_ATTR_NAMES:
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FIXME("SECPKG_CRED_ATTR_NAMES: stub\n");
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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break;
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default:
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ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute,
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pBuffer);
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}
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return ret;
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}
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static SECURITY_STATUS get_cert(const SCHANNEL_CRED *cred, CERT_CONTEXT const **cert)
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{
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SECURITY_STATUS status;
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DWORD i;
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TRACE("dwVersion = %u\n", cred->dwVersion);
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TRACE("cCreds = %u\n", cred->cCreds);
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TRACE("paCred = %p\n", cred->paCred);
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TRACE("hRootStore = %p\n", cred->hRootStore);
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TRACE("cMappers = %u\n", cred->cMappers);
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TRACE("cSupportedAlgs = %u:\n", cred->cSupportedAlgs);
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for (i = 0; i < cred->cSupportedAlgs; i++) TRACE("%08x\n", cred->palgSupportedAlgs[i]);
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TRACE("grbitEnabledProtocols = %08x\n", cred->grbitEnabledProtocols);
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TRACE("dwMinimumCipherStrength = %u\n", cred->dwMinimumCipherStrength);
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TRACE("dwMaximumCipherStrength = %u\n", cred->dwMaximumCipherStrength);
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TRACE("dwSessionLifespan = %u\n", cred->dwSessionLifespan);
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TRACE("dwFlags = %08x\n", cred->dwFlags);
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TRACE("dwCredFormat = %u\n", cred->dwCredFormat);
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switch (cred->dwVersion)
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{
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case SCH_CRED_V3:
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case SCHANNEL_CRED_VERSION:
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break;
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default:
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return SEC_E_INTERNAL_ERROR;
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}
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if (!cred->cCreds) status = SEC_E_NO_CREDENTIALS;
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else if (cred->cCreds > 1) status = SEC_E_UNKNOWN_CREDENTIALS;
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else
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{
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DWORD spec;
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HCRYPTPROV prov;
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BOOL free;
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if (CryptAcquireCertificatePrivateKey(cred->paCred[0], CRYPT_ACQUIRE_CACHE_FLAG, NULL, &prov, &spec, &free))
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{
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if (free) CryptReleaseContext(prov, 0);
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*cert = cred->paCred[0];
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status = SEC_E_OK;
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}
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else status = SEC_E_UNKNOWN_CREDENTIALS;
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}
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return status;
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}
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static WCHAR *get_key_container_path(const CERT_CONTEXT *ctx)
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{
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CERT_KEY_CONTEXT keyctx;
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DWORD size = sizeof(keyctx), prov_size = 0;
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CRYPT_KEY_PROV_INFO *prov;
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WCHAR username[UNLEN + 1], *ret = NULL;
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DWORD len = ARRAY_SIZE(username);
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if (CertGetCertificateContextProperty(ctx, CERT_KEY_CONTEXT_PROP_ID, &keyctx, &size))
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{
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char *str;
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if (!CryptGetProvParam(keyctx.hCryptProv, PP_CONTAINER, NULL, &size, 0)) return NULL;
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if (!(str = RtlAllocateHeap(GetProcessHeap(), 0, size))) return NULL;
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if (!CryptGetProvParam(keyctx.hCryptProv, PP_CONTAINER, (BYTE *)str, &size, 0)) return NULL;
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len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
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if (!(ret = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(L"Software\\Wine\\Crypto\\RSA\\") + len * sizeof(WCHAR))))
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{
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RtlFreeHeap(GetProcessHeap(), 0, str);
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return NULL;
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}
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wcscpy(ret, L"Software\\Wine\\Crypto\\RSA\\");
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MultiByteToWideChar(CP_ACP, 0, str, -1, ret + wcslen(ret), len);
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RtlFreeHeap(GetProcessHeap(), 0, str);
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}
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else if (CertGetCertificateContextProperty(ctx, CERT_KEY_PROV_INFO_PROP_ID, NULL, &prov_size))
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{
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if (!(prov = RtlAllocateHeap(GetProcessHeap(), 0, prov_size))) return NULL;
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if (!CertGetCertificateContextProperty(ctx, CERT_KEY_PROV_INFO_PROP_ID, prov, &prov_size))
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{
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RtlFreeHeap(GetProcessHeap(), 0, prov);
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return NULL;
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}
|
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if (!(ret = RtlAllocateHeap(GetProcessHeap(), 0,
|
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sizeof(L"Software\\Wine\\Crypto\\RSA\\") + wcslen(prov->pwszContainerName) * sizeof(WCHAR))))
|
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{
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RtlFreeHeap(GetProcessHeap(), 0, prov);
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return NULL;
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}
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wcscpy(ret, L"Software\\Wine\\Crypto\\RSA\\");
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wcscat(ret, prov->pwszContainerName);
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RtlFreeHeap(GetProcessHeap(), 0, prov);
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}
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if (!ret && GetUserNameW(username, &len) &&
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(ret = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(L"Software\\Wine\\Crypto\\RSA\\") + len * sizeof(WCHAR))))
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{
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wcscpy(ret, L"Software\\Wine\\Crypto\\RSA\\");
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wcscat(ret, username);
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}
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|
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return ret;
|
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}
|
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|
|
#define MAX_LEAD_BYTES 8
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static BYTE *get_key_blob(const CERT_CONTEXT *ctx, DWORD *size)
|
|
{
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BYTE *buf, *ret = NULL;
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DATA_BLOB blob_in, blob_out;
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DWORD spec = 0, type, len;
|
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WCHAR *path;
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HKEY hkey;
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if (!(path = get_key_container_path(ctx))) return NULL;
|
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if (RegOpenKeyExW(HKEY_CURRENT_USER, path, 0, KEY_READ, &hkey))
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{
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RtlFreeHeap(GetProcessHeap(), 0, path);
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return NULL;
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}
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RtlFreeHeap(GetProcessHeap(), 0, path);
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if (!RegQueryValueExW(hkey, L"KeyExchangeKeyPair", 0, &type, NULL, &len)) spec = AT_KEYEXCHANGE;
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else if (!RegQueryValueExW(hkey, L"SignatureKeyPair", 0, &type, NULL, &len)) spec = AT_SIGNATURE;
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else
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{
|
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RegCloseKey(hkey);
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return NULL;
|
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}
|
|
|
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if (!(buf = RtlAllocateHeap(GetProcessHeap(), 0, len + MAX_LEAD_BYTES)))
|
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{
|
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RegCloseKey(hkey);
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return NULL;
|
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}
|
|
|
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if (!RegQueryValueExW(hkey, (spec == AT_KEYEXCHANGE) ? L"KeyExchangeKeyPair" : L"SignatureKeyPair", 0,
|
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&type, buf, &len))
|
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{
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blob_in.pbData = buf;
|
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blob_in.cbData = len;
|
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if (CryptUnprotectData(&blob_in, NULL, NULL, NULL, NULL, 0, &blob_out))
|
|
{
|
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assert(blob_in.cbData >= blob_out.cbData);
|
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memcpy(buf, blob_out.pbData, blob_out.cbData);
|
|
LocalFree(blob_out.pbData);
|
|
*size = blob_out.cbData + MAX_LEAD_BYTES;
|
|
ret = buf;
|
|
}
|
|
}
|
|
else RtlFreeHeap(GetProcessHeap(), 0, buf);
|
|
|
|
RegCloseKey(hkey);
|
|
return ret;
|
|
}
|
|
|
|
static SECURITY_STATUS schan_AcquireClientCredentials(const SCHANNEL_CRED *schanCred,
|
|
PCredHandle phCredential, PTimeStamp ptsExpiry)
|
|
{
|
|
struct schan_credentials *creds;
|
|
unsigned enabled_protocols;
|
|
ULONG_PTR handle;
|
|
SECURITY_STATUS status = SEC_E_OK;
|
|
const CERT_CONTEXT *cert = NULL;
|
|
DATA_BLOB key_blob = {0};
|
|
struct allocate_certificate_credentials_params params;
|
|
|
|
TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
|
|
|
|
if (schanCred)
|
|
{
|
|
const unsigned dtls_protocols = SP_PROT_DTLS_CLIENT | SP_PROT_DTLS1_2_CLIENT;
|
|
const unsigned tls_protocols = SP_PROT_TLS1_CLIENT | SP_PROT_TLS1_0_CLIENT | SP_PROT_TLS1_1_CLIENT |
|
|
SP_PROT_TLS1_2_CLIENT | SP_PROT_TLS1_3_CLIENT;
|
|
|
|
status = get_cert(schanCred, &cert);
|
|
if (status != SEC_E_OK && status != SEC_E_NO_CREDENTIALS)
|
|
return status;
|
|
|
|
if ((schanCred->grbitEnabledProtocols & tls_protocols) &&
|
|
(schanCred->grbitEnabledProtocols & dtls_protocols)) return SEC_E_ALGORITHM_MISMATCH;
|
|
|
|
status = SEC_E_OK;
|
|
}
|
|
|
|
read_config();
|
|
if(schanCred && schanCred->grbitEnabledProtocols)
|
|
enabled_protocols = schanCred->grbitEnabledProtocols & config_enabled_protocols;
|
|
else
|
|
enabled_protocols = config_enabled_protocols & ~config_default_disabled_protocols;
|
|
if(!enabled_protocols) {
|
|
ERR("Could not find matching protocol\n");
|
|
return SEC_E_NO_AUTHENTICATING_AUTHORITY;
|
|
}
|
|
|
|
if (!(creds = malloc(sizeof(*creds)))) return SEC_E_INSUFFICIENT_MEMORY;
|
|
creds->credential_use = SECPKG_CRED_OUTBOUND;
|
|
creds->enabled_protocols = enabled_protocols;
|
|
|
|
if (cert && !(key_blob.pbData = get_key_blob(cert, &key_blob.cbData))) goto fail;
|
|
params.c = creds;
|
|
params.ctx = cert;
|
|
params.key_blob = &key_blob;
|
|
if (GNUTLS_CALL( allocate_certificate_credentials, ¶ms )) goto fail;
|
|
RtlFreeHeap(GetProcessHeap(), 0, key_blob.pbData);
|
|
|
|
handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
|
|
if (handle == SCHAN_INVALID_HANDLE) goto fail;
|
|
|
|
phCredential->dwLower = handle;
|
|
phCredential->dwUpper = 0;
|
|
|
|
/* Outbound credentials have no expiry */
|
|
if (ptsExpiry)
|
|
{
|
|
ptsExpiry->LowPart = 0;
|
|
ptsExpiry->HighPart = 0;
|
|
}
|
|
|
|
return status;
|
|
|
|
fail:
|
|
free(creds);
|
|
RtlFreeHeap(GetProcessHeap(), 0, key_blob.pbData);
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
static SECURITY_STATUS schan_AcquireServerCredentials(const SCHANNEL_CRED *schanCred,
|
|
PCredHandle phCredential, PTimeStamp ptsExpiry)
|
|
{
|
|
SECURITY_STATUS status;
|
|
const CERT_CONTEXT *cert = NULL;
|
|
|
|
TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
|
|
|
|
if (!schanCred) return SEC_E_NO_CREDENTIALS;
|
|
|
|
status = get_cert(schanCred, &cert);
|
|
if (status == SEC_E_OK)
|
|
{
|
|
ULONG_PTR handle;
|
|
struct schan_credentials *creds;
|
|
|
|
if (!(creds = calloc(1, sizeof(*creds)))) return SEC_E_INSUFFICIENT_MEMORY;
|
|
creds->credential_use = SECPKG_CRED_INBOUND;
|
|
|
|
handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
|
|
if (handle == SCHAN_INVALID_HANDLE)
|
|
{
|
|
free(creds);
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
phCredential->dwLower = handle;
|
|
phCredential->dwUpper = 0;
|
|
|
|
/* FIXME: get expiry from cert */
|
|
}
|
|
return status;
|
|
}
|
|
|
|
static SECURITY_STATUS schan_AcquireCredentialsHandle(ULONG fCredentialUse,
|
|
const SCHANNEL_CRED *schanCred, PCredHandle phCredential, PTimeStamp ptsExpiry)
|
|
{
|
|
SECURITY_STATUS ret;
|
|
|
|
if (fCredentialUse == SECPKG_CRED_OUTBOUND)
|
|
ret = schan_AcquireClientCredentials(schanCred, phCredential,
|
|
ptsExpiry);
|
|
else
|
|
ret = schan_AcquireServerCredentials(schanCred, phCredential,
|
|
ptsExpiry);
|
|
return ret;
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleA(
|
|
SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
|
|
PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
|
|
PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
|
|
{
|
|
TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
|
|
debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
|
|
pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
|
|
return schan_AcquireCredentialsHandle(fCredentialUse,
|
|
pAuthData, phCredential, ptsExpiry);
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleW(
|
|
SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
|
|
PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
|
|
PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
|
|
{
|
|
TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
|
|
debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
|
|
pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
|
|
return schan_AcquireCredentialsHandle(fCredentialUse,
|
|
pAuthData, phCredential, ptsExpiry);
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_FreeCredentialsHandle(
|
|
PCredHandle phCredential)
|
|
{
|
|
struct schan_credentials *creds;
|
|
|
|
TRACE("phCredential %p\n", phCredential);
|
|
|
|
if (!phCredential) return SEC_E_INVALID_HANDLE;
|
|
|
|
creds = schan_free_handle(phCredential->dwLower, SCHAN_HANDLE_CRED);
|
|
if (!creds) return SEC_E_INVALID_HANDLE;
|
|
|
|
if (creds->credential_use == SECPKG_CRED_OUTBOUND)
|
|
{
|
|
struct free_certificate_credentials_params params = { creds };
|
|
GNUTLS_CALL( free_certificate_credentials, ¶ms );
|
|
}
|
|
free(creds);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
static int schan_find_sec_buffer_idx(const SecBufferDesc *desc, unsigned int start_idx, ULONG buffer_type)
|
|
{
|
|
unsigned int i;
|
|
PSecBuffer buffer;
|
|
|
|
for (i = start_idx; i < desc->cBuffers; ++i)
|
|
{
|
|
buffer = &desc->pBuffers[i];
|
|
if ((buffer->BufferType | SECBUFFER_ATTRMASK) == (buffer_type | SECBUFFER_ATTRMASK))
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void dump_buffer_desc(SecBufferDesc *desc)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (!desc) return;
|
|
TRACE("Buffer desc %p:\n", desc);
|
|
for (i = 0; i < desc->cBuffers; ++i)
|
|
{
|
|
SecBuffer *b = &desc->pBuffers[i];
|
|
TRACE("\tbuffer %u: cbBuffer %d, BufferType %#x pvBuffer %p\n", i, b->cbBuffer, b->BufferType, b->pvBuffer);
|
|
}
|
|
}
|
|
|
|
#define HEADER_SIZE_TLS 5
|
|
#define HEADER_SIZE_DTLS 13
|
|
|
|
static inline SIZE_T read_record_size(const BYTE *buf, SIZE_T header_size)
|
|
{
|
|
return (buf[header_size - 2] << 8) | buf[header_size - 1];
|
|
}
|
|
|
|
static inline BOOL is_dtls_context(const struct schan_context *ctx)
|
|
{
|
|
return ctx->header_size == HEADER_SIZE_DTLS;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InitializeSecurityContextW
|
|
*/
|
|
static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextW(
|
|
PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
|
|
ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
|
|
PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
|
|
PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
|
|
{
|
|
const ULONG extra_size = 0x10000;
|
|
struct schan_context *ctx;
|
|
struct schan_buffers *out_buffers;
|
|
struct schan_credentials *cred;
|
|
SIZE_T expected_size = 0;
|
|
SECURITY_STATUS ret;
|
|
SecBuffer *buffer;
|
|
SecBuffer alloc_buffer = { 0 };
|
|
struct handshake_params params;
|
|
int idx, i;
|
|
|
|
TRACE("%p %p %s 0x%08x %d %d %p %d %p %p %p %p\n", phCredential, phContext,
|
|
debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
|
Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
|
|
|
dump_buffer_desc(pInput);
|
|
dump_buffer_desc(pOutput);
|
|
|
|
if (ptsExpiry)
|
|
{
|
|
ptsExpiry->LowPart = 0;
|
|
ptsExpiry->HighPart = 0;
|
|
}
|
|
|
|
if (!pOutput || !pOutput->cBuffers) return SEC_E_INVALID_TOKEN;
|
|
for (i = 0; i < pOutput->cBuffers; i++)
|
|
{
|
|
ULONG type = pOutput->pBuffers[i].BufferType;
|
|
|
|
if (type != SECBUFFER_TOKEN && type != SECBUFFER_ALERT) continue;
|
|
if (!pOutput->pBuffers[i].cbBuffer && !(fContextReq & ISC_REQ_ALLOCATE_MEMORY))
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
}
|
|
|
|
if (!phContext)
|
|
{
|
|
ULONG_PTR handle;
|
|
struct create_session_params create_params;
|
|
|
|
if (!phCredential) return SEC_E_INVALID_HANDLE;
|
|
|
|
cred = schan_get_object(phCredential->dwLower, SCHAN_HANDLE_CRED);
|
|
if (!cred) return SEC_E_INVALID_HANDLE;
|
|
|
|
if (!(cred->credential_use & SECPKG_CRED_OUTBOUND))
|
|
{
|
|
WARN("Invalid credential use %#x\n", cred->credential_use);
|
|
return SEC_E_INVALID_HANDLE;
|
|
}
|
|
|
|
if (!(ctx = malloc(sizeof(*ctx)))) return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
ctx->cert = NULL;
|
|
handle = schan_alloc_handle(ctx, SCHAN_HANDLE_CTX);
|
|
if (handle == SCHAN_INVALID_HANDLE)
|
|
{
|
|
free(ctx);
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
create_params.transport = &ctx->transport;
|
|
create_params.cred = cred;
|
|
if (GNUTLS_CALL( create_session, &create_params ))
|
|
{
|
|
schan_free_handle(handle, SCHAN_HANDLE_CTX);
|
|
free(ctx);
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
|
|
if (cred->enabled_protocols & (SP_PROT_DTLS1_0_CLIENT | SP_PROT_DTLS1_2_CLIENT))
|
|
ctx->header_size = HEADER_SIZE_DTLS;
|
|
else
|
|
ctx->header_size = HEADER_SIZE_TLS;
|
|
|
|
ctx->transport.ctx = ctx;
|
|
|
|
if (pszTargetName && *pszTargetName)
|
|
{
|
|
UINT len = WideCharToMultiByte( CP_UNIXCP, 0, pszTargetName, -1, NULL, 0, NULL, NULL );
|
|
char *target = malloc( len );
|
|
|
|
if (target)
|
|
{
|
|
struct set_session_target_params params = { ctx->transport.session, target };
|
|
WideCharToMultiByte( CP_UNIXCP, 0, pszTargetName, -1, target, len, NULL, NULL );
|
|
GNUTLS_CALL( set_session_target, ¶ms );
|
|
free( target );
|
|
}
|
|
}
|
|
|
|
if (pInput && (idx = schan_find_sec_buffer_idx(pInput, 0, SECBUFFER_APPLICATION_PROTOCOLS)) != -1)
|
|
{
|
|
struct set_application_protocols_params params = { ctx->transport.session,
|
|
pInput->pBuffers[idx].pvBuffer, pInput->pBuffers[idx].cbBuffer };
|
|
GNUTLS_CALL( set_application_protocols, ¶ms );
|
|
}
|
|
|
|
if (pInput && (idx = schan_find_sec_buffer_idx(pInput, 0, SECBUFFER_DTLS_MTU)) != -1)
|
|
{
|
|
buffer = &pInput->pBuffers[idx];
|
|
if (buffer->cbBuffer >= sizeof(WORD))
|
|
{
|
|
struct set_dtls_mtu_params params = { ctx->transport.session, *(WORD *)buffer->pvBuffer };
|
|
GNUTLS_CALL( set_dtls_mtu, ¶ms );
|
|
}
|
|
else WARN("invalid buffer size %u\n", buffer->cbBuffer);
|
|
}
|
|
|
|
if (is_dtls_context(ctx))
|
|
{
|
|
struct set_dtls_timeouts_params params = { ctx->transport.session, 0, 60000 };
|
|
GNUTLS_CALL( set_dtls_timeouts, ¶ms );
|
|
}
|
|
|
|
phNewContext->dwLower = handle;
|
|
phNewContext->dwUpper = 0;
|
|
}
|
|
else
|
|
{
|
|
SIZE_T record_size = 0;
|
|
unsigned char *ptr;
|
|
|
|
if (!(ctx = schan_get_object(phContext->dwLower, SCHAN_HANDLE_CTX))) return SEC_E_INVALID_HANDLE;
|
|
if (!pInput && !is_dtls_context(ctx)) return SEC_E_INCOMPLETE_MESSAGE;
|
|
|
|
if (pInput)
|
|
{
|
|
if ((idx = schan_find_sec_buffer_idx(pInput, 0, SECBUFFER_TOKEN)) == -1) return SEC_E_INCOMPLETE_MESSAGE;
|
|
|
|
buffer = &pInput->pBuffers[idx];
|
|
ptr = buffer->pvBuffer;
|
|
|
|
while (buffer->cbBuffer > expected_size + ctx->header_size)
|
|
{
|
|
record_size = ctx->header_size + read_record_size(ptr, ctx->header_size);
|
|
|
|
if (buffer->cbBuffer < expected_size + record_size) break;
|
|
expected_size += record_size;
|
|
ptr += record_size;
|
|
}
|
|
|
|
if (!expected_size)
|
|
{
|
|
TRACE("Expected at least %lu bytes, but buffer only contains %u bytes.\n",
|
|
max(ctx->header_size + 1, record_size), buffer->cbBuffer);
|
|
return SEC_E_INCOMPLETE_MESSAGE;
|
|
}
|
|
|
|
TRACE("Using expected_size %lu.\n", expected_size);
|
|
}
|
|
|
|
if (phNewContext) *phNewContext = *phContext;
|
|
}
|
|
|
|
ctx->req_ctx_attr = fContextReq;
|
|
|
|
/* Perform the TLS handshake */
|
|
if (fContextReq & ISC_REQ_ALLOCATE_MEMORY)
|
|
{
|
|
alloc_buffer.cbBuffer = extra_size;
|
|
alloc_buffer.BufferType = SECBUFFER_TOKEN;
|
|
alloc_buffer.pvBuffer = RtlAllocateHeap( GetProcessHeap(), 0, extra_size );
|
|
}
|
|
params.session = ctx->transport.session;
|
|
params.input = pInput;
|
|
params.input_size = expected_size;
|
|
params.output = pOutput;
|
|
params.alloc_buffer = &alloc_buffer;
|
|
ret = GNUTLS_CALL( handshake, ¶ms );
|
|
|
|
out_buffers = &ctx->transport.out;
|
|
if (out_buffers->current_buffer_idx != -1)
|
|
{
|
|
SecBuffer *buffer = &out_buffers->desc->pBuffers[out_buffers->current_buffer_idx];
|
|
buffer->cbBuffer = out_buffers->offset;
|
|
if (buffer->pvBuffer == alloc_buffer.pvBuffer)
|
|
{
|
|
RtlReAllocateHeap( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY,
|
|
buffer->pvBuffer, buffer->cbBuffer );
|
|
alloc_buffer.pvBuffer = NULL;
|
|
}
|
|
}
|
|
else if (out_buffers->desc && out_buffers->desc->cBuffers > 0)
|
|
{
|
|
SecBuffer *buffer = &out_buffers->desc->pBuffers[0];
|
|
buffer->cbBuffer = 0;
|
|
}
|
|
RtlFreeHeap( GetProcessHeap(), 0, alloc_buffer.pvBuffer );
|
|
|
|
if(ctx->transport.in.offset && ctx->transport.in.offset != pInput->pBuffers[0].cbBuffer) {
|
|
if(pInput->cBuffers<2 || pInput->pBuffers[1].BufferType!=SECBUFFER_EMPTY)
|
|
return SEC_E_INVALID_TOKEN;
|
|
|
|
pInput->pBuffers[1].BufferType = SECBUFFER_EXTRA;
|
|
pInput->pBuffers[1].cbBuffer = pInput->pBuffers[0].cbBuffer-ctx->transport.in.offset;
|
|
}
|
|
|
|
for (i = 0; i < pOutput->cBuffers; i++)
|
|
{
|
|
SecBuffer *buffer = &pOutput->pBuffers[i];
|
|
if (buffer->BufferType == SECBUFFER_ALERT) buffer->cbBuffer = 0;
|
|
}
|
|
|
|
*pfContextAttr = ISC_RET_REPLAY_DETECT | ISC_RET_SEQUENCE_DETECT | ISC_RET_CONFIDENTIALITY | ISC_RET_STREAM;
|
|
if (ctx->req_ctx_attr & ISC_REQ_EXTENDED_ERROR) *pfContextAttr |= ISC_RET_EXTENDED_ERROR;
|
|
if (ctx->req_ctx_attr & ISC_REQ_DATAGRAM) *pfContextAttr |= ISC_RET_DATAGRAM;
|
|
if (ctx->req_ctx_attr & ISC_REQ_ALLOCATE_MEMORY) *pfContextAttr |= ISC_RET_ALLOCATED_MEMORY;
|
|
if (ctx->req_ctx_attr & ISC_REQ_USE_SUPPLIED_CREDS) *pfContextAttr |= ISC_RET_USED_SUPPLIED_CREDS;
|
|
if (ctx->req_ctx_attr & ISC_REQ_MANUAL_CRED_VALIDATION) *pfContextAttr |= ISC_RET_MANUAL_CRED_VALIDATION;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InitializeSecurityContextA
|
|
*/
|
|
static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextA(
|
|
PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
|
|
ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
|
|
PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
|
|
PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
|
|
{
|
|
SECURITY_STATUS ret;
|
|
SEC_WCHAR *target_name = NULL;
|
|
|
|
TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
|
|
debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
|
|
Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
|
|
|
if (pszTargetName)
|
|
{
|
|
INT len = MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, NULL, 0);
|
|
if (!(target_name = malloc(len * sizeof(*target_name)))) return SEC_E_INSUFFICIENT_MEMORY;
|
|
MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, target_name, len);
|
|
}
|
|
|
|
ret = schan_InitializeSecurityContextW(phCredential, phContext, target_name,
|
|
fContextReq, Reserved1, TargetDataRep, pInput, Reserved2,
|
|
phNewContext, pOutput, pfContextAttr, ptsExpiry);
|
|
|
|
free(target_name);
|
|
return ret;
|
|
}
|
|
|
|
static void *get_alg_name(ALG_ID id, BOOL wide)
|
|
{
|
|
static const struct {
|
|
ALG_ID alg_id;
|
|
const char* name;
|
|
const WCHAR nameW[8];
|
|
} alg_name_map[] = {
|
|
{ CALG_ECDSA, "ECDSA", L"ECDSA" },
|
|
{ CALG_RSA_SIGN, "RSA", L"RSA" },
|
|
{ CALG_DES, "DES", L"DES" },
|
|
{ CALG_RC2, "RC2", L"RC2" },
|
|
{ CALG_3DES, "3DES", L"3DES" },
|
|
{ CALG_AES_128, "AES", L"AES" },
|
|
{ CALG_AES_192, "AES", L"AES" },
|
|
{ CALG_AES_256, "AES", L"AES" },
|
|
{ CALG_RC4, "RC4", L"RC4" },
|
|
};
|
|
unsigned i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(alg_name_map); i++)
|
|
if (alg_name_map[i].alg_id == id)
|
|
return wide ? (void*)alg_name_map[i].nameW : (void*)alg_name_map[i].name;
|
|
|
|
FIXME("Unknown ALG_ID %04x\n", id);
|
|
return NULL;
|
|
}
|
|
|
|
static SECURITY_STATUS ensure_remote_cert(struct schan_context *ctx)
|
|
{
|
|
HCERTSTORE store;
|
|
PCCERT_CONTEXT cert = NULL;
|
|
SECURITY_STATUS status;
|
|
CERT_BLOB *certs;
|
|
ULONG count, size = 0;
|
|
struct get_session_peer_certificate_params params = { ctx->transport.session, NULL, &size, &count };
|
|
|
|
if (ctx->cert) return SEC_E_OK;
|
|
if (!(store = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, CERT_STORE_CREATE_NEW_FLAG, NULL)))
|
|
return GetLastError();
|
|
|
|
status = GNUTLS_CALL( get_session_peer_certificate, ¶ms );
|
|
if (status != SEC_E_BUFFER_TOO_SMALL) goto done;
|
|
if (!(certs = malloc( size )))
|
|
{
|
|
status = SEC_E_INSUFFICIENT_MEMORY;
|
|
goto done;
|
|
}
|
|
params.certs = certs;
|
|
status = GNUTLS_CALL( get_session_peer_certificate, ¶ms );
|
|
if (status == SEC_E_OK)
|
|
{
|
|
unsigned int i;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (!CertAddEncodedCertificateToStore(store, X509_ASN_ENCODING, certs[i].pbData,
|
|
certs[i].cbData, CERT_STORE_ADD_REPLACE_EXISTING,
|
|
i ? NULL : &cert))
|
|
{
|
|
if (i) CertFreeCertificateContext(cert);
|
|
return GetLastError();
|
|
}
|
|
}
|
|
}
|
|
free(certs);
|
|
done:
|
|
ctx->cert = cert;
|
|
CertCloseStore(store, 0);
|
|
return status;
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_QueryContextAttributesW(
|
|
PCtxtHandle context_handle, ULONG attribute, PVOID buffer)
|
|
{
|
|
struct schan_context *ctx;
|
|
SECURITY_STATUS status;
|
|
|
|
TRACE("context_handle %p, attribute %#x, buffer %p\n",
|
|
context_handle, attribute, buffer);
|
|
|
|
if (!context_handle) return SEC_E_INVALID_HANDLE;
|
|
ctx = schan_get_object(context_handle->dwLower, SCHAN_HANDLE_CTX);
|
|
|
|
switch(attribute)
|
|
{
|
|
case SECPKG_ATTR_STREAM_SIZES:
|
|
{
|
|
SecPkgContext_ConnectionInfo info;
|
|
struct get_connection_info_params params = { ctx->transport.session, &info };
|
|
status = GNUTLS_CALL( get_connection_info, ¶ms );
|
|
if (status == SEC_E_OK)
|
|
{
|
|
struct session_params params = { ctx->transport.session };
|
|
SecPkgContext_StreamSizes *stream_sizes = buffer;
|
|
SIZE_T mac_size = info.dwHashStrength;
|
|
unsigned int block_size = GNUTLS_CALL( get_session_cipher_block_size, ¶ms );
|
|
unsigned int message_size = GNUTLS_CALL( get_max_message_size, ¶ms );
|
|
|
|
TRACE("Using header size %lu mac bytes %lu, message size %u, block size %u\n",
|
|
ctx->header_size, mac_size, message_size, block_size);
|
|
|
|
/* These are defined by the TLS RFC */
|
|
stream_sizes->cbHeader = ctx->header_size;
|
|
stream_sizes->cbTrailer = mac_size + 256; /* Max 255 bytes padding + 1 for padding size */
|
|
stream_sizes->cbMaximumMessage = message_size;
|
|
stream_sizes->cbBuffers = 4;
|
|
stream_sizes->cbBlockSize = block_size;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
case SECPKG_ATTR_KEY_INFO:
|
|
{
|
|
SecPkgContext_ConnectionInfo conn_info;
|
|
struct get_connection_info_params params = { ctx->transport.session, &conn_info };
|
|
status = GNUTLS_CALL( get_connection_info, ¶ms );
|
|
if (status == SEC_E_OK)
|
|
{
|
|
struct session_params params = { ctx->transport.session };
|
|
SecPkgContext_KeyInfoW *info = buffer;
|
|
info->KeySize = conn_info.dwCipherStrength;
|
|
info->SignatureAlgorithm = GNUTLS_CALL( get_key_signature_algorithm, ¶ms );
|
|
info->EncryptAlgorithm = conn_info.aiCipher;
|
|
info->sSignatureAlgorithmName = get_alg_name(info->SignatureAlgorithm, TRUE);
|
|
info->sEncryptAlgorithmName = get_alg_name(info->EncryptAlgorithm, TRUE);
|
|
}
|
|
return status;
|
|
}
|
|
case SECPKG_ATTR_REMOTE_CERT_CONTEXT:
|
|
{
|
|
PCCERT_CONTEXT *cert = buffer;
|
|
|
|
status = ensure_remote_cert(ctx);
|
|
if(status != SEC_E_OK)
|
|
return status;
|
|
|
|
*cert = CertDuplicateCertificateContext(ctx->cert);
|
|
return SEC_E_OK;
|
|
}
|
|
case SECPKG_ATTR_CONNECTION_INFO:
|
|
{
|
|
SecPkgContext_ConnectionInfo *info = buffer;
|
|
struct get_connection_info_params params = { ctx->transport.session, info };
|
|
return GNUTLS_CALL( get_connection_info, ¶ms );
|
|
}
|
|
case SECPKG_ATTR_ENDPOINT_BINDINGS:
|
|
{
|
|
SecPkgContext_Bindings *bindings = buffer;
|
|
CCRYPT_OID_INFO *info;
|
|
ALG_ID hash_alg = CALG_SHA_256;
|
|
BYTE hash[1024];
|
|
DWORD hash_size;
|
|
char *p;
|
|
BOOL r;
|
|
|
|
static const char prefix[] = "tls-server-end-point:";
|
|
|
|
status = ensure_remote_cert(ctx);
|
|
if(status != SEC_E_OK)
|
|
return status;
|
|
|
|
/* RFC 5929 */
|
|
info = CryptFindOIDInfo(CRYPT_OID_INFO_OID_KEY, ctx->cert->pCertInfo->SignatureAlgorithm.pszObjId, 0);
|
|
if(info && info->u.Algid != CALG_SHA1 && info->u.Algid != CALG_MD5)
|
|
hash_alg = info->u.Algid;
|
|
|
|
hash_size = sizeof(hash);
|
|
r = CryptHashCertificate(0, hash_alg, 0, ctx->cert->pbCertEncoded, ctx->cert->cbCertEncoded, hash, &hash_size);
|
|
if(!r)
|
|
return GetLastError();
|
|
|
|
bindings->BindingsLength = sizeof(*bindings->Bindings) + sizeof(prefix)-1 + hash_size;
|
|
/* freed with FreeContextBuffer */
|
|
bindings->Bindings = RtlAllocateHeap(GetProcessHeap(), HEAP_ZERO_MEMORY, bindings->BindingsLength);
|
|
if(!bindings->Bindings)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
bindings->Bindings->cbApplicationDataLength = sizeof(prefix)-1 + hash_size;
|
|
bindings->Bindings->dwApplicationDataOffset = sizeof(*bindings->Bindings);
|
|
|
|
p = (char*)(bindings->Bindings+1);
|
|
memcpy(p, prefix, sizeof(prefix)-1);
|
|
p += sizeof(prefix)-1;
|
|
memcpy(p, hash, hash_size);
|
|
return SEC_E_OK;
|
|
}
|
|
case SECPKG_ATTR_UNIQUE_BINDINGS:
|
|
{
|
|
static const char prefix[] = "tls-unique:";
|
|
SecPkgContext_Bindings *bindings = buffer;
|
|
ULONG size;
|
|
char *p;
|
|
struct get_unique_channel_binding_params params = { ctx->transport.session, NULL, &size };
|
|
|
|
if (GNUTLS_CALL( get_unique_channel_binding, ¶ms ) != SEC_E_BUFFER_TOO_SMALL)
|
|
return SEC_E_INTERNAL_ERROR;
|
|
|
|
bindings->BindingsLength = sizeof(*bindings->Bindings) + sizeof(prefix)-1 + size;
|
|
/* freed with FreeContextBuffer */
|
|
bindings->Bindings = RtlAllocateHeap(GetProcessHeap(), HEAP_ZERO_MEMORY, bindings->BindingsLength);
|
|
if(!bindings->Bindings)
|
|
return SEC_E_INSUFFICIENT_MEMORY;
|
|
|
|
bindings->Bindings->cbApplicationDataLength = sizeof(prefix)-1 + size;
|
|
bindings->Bindings->dwApplicationDataOffset = sizeof(*bindings->Bindings);
|
|
|
|
p = (char*)(bindings->Bindings+1);
|
|
memcpy(p, prefix, sizeof(prefix)-1);
|
|
p += sizeof(prefix)-1;
|
|
params.buffer = p;
|
|
return GNUTLS_CALL( get_unique_channel_binding, ¶ms );
|
|
}
|
|
case SECPKG_ATTR_APPLICATION_PROTOCOL:
|
|
{
|
|
SecPkgContext_ApplicationProtocol *protocol = buffer;
|
|
struct get_application_protocol_params params = { ctx->transport.session, protocol };
|
|
return GNUTLS_CALL( get_application_protocol, ¶ms );
|
|
}
|
|
|
|
default:
|
|
FIXME("Unhandled attribute %#x\n", attribute);
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_QueryContextAttributesA(
|
|
PCtxtHandle context_handle, ULONG attribute, PVOID buffer)
|
|
{
|
|
TRACE("context_handle %p, attribute %#x, buffer %p\n",
|
|
context_handle, attribute, buffer);
|
|
|
|
switch(attribute)
|
|
{
|
|
case SECPKG_ATTR_STREAM_SIZES:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
case SECPKG_ATTR_KEY_INFO:
|
|
{
|
|
SECURITY_STATUS status = schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
if (status == SEC_E_OK)
|
|
{
|
|
SecPkgContext_KeyInfoA *info = buffer;
|
|
info->sSignatureAlgorithmName = get_alg_name(info->SignatureAlgorithm, FALSE);
|
|
info->sEncryptAlgorithmName = get_alg_name(info->EncryptAlgorithm, FALSE);
|
|
}
|
|
return status;
|
|
}
|
|
case SECPKG_ATTR_REMOTE_CERT_CONTEXT:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
case SECPKG_ATTR_CONNECTION_INFO:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
case SECPKG_ATTR_ENDPOINT_BINDINGS:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
case SECPKG_ATTR_UNIQUE_BINDINGS:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
case SECPKG_ATTR_APPLICATION_PROTOCOL:
|
|
return schan_QueryContextAttributesW(context_handle, attribute, buffer);
|
|
|
|
default:
|
|
FIXME("Unhandled attribute %#x\n", attribute);
|
|
return SEC_E_UNSUPPORTED_FUNCTION;
|
|
}
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_EncryptMessage(PCtxtHandle context_handle,
|
|
ULONG quality, PSecBufferDesc message, ULONG message_seq_no)
|
|
{
|
|
struct schan_context *ctx;
|
|
struct send_params params;
|
|
SECURITY_STATUS status;
|
|
SecBuffer *buffer;
|
|
SIZE_T data_size;
|
|
SIZE_T length;
|
|
char *data;
|
|
int idx;
|
|
|
|
TRACE("context_handle %p, quality %d, message %p, message_seq_no %d\n",
|
|
context_handle, quality, message, message_seq_no);
|
|
|
|
if (!context_handle) return SEC_E_INVALID_HANDLE;
|
|
ctx = schan_get_object(context_handle->dwLower, SCHAN_HANDLE_CTX);
|
|
|
|
dump_buffer_desc(message);
|
|
|
|
idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_DATA);
|
|
if (idx == -1)
|
|
{
|
|
WARN("No data buffer passed\n");
|
|
return SEC_E_INTERNAL_ERROR;
|
|
}
|
|
buffer = &message->pBuffers[idx];
|
|
|
|
data_size = buffer->cbBuffer;
|
|
data = malloc(data_size);
|
|
memcpy(data, buffer->pvBuffer, data_size);
|
|
|
|
length = data_size;
|
|
params.session = ctx->transport.session;
|
|
params.output = message;
|
|
params.buffer = data;
|
|
params.length = &length;
|
|
status = GNUTLS_CALL( send, ¶ms );
|
|
|
|
TRACE("Sent %ld bytes.\n", length);
|
|
|
|
if (length != data_size)
|
|
status = SEC_E_INTERNAL_ERROR;
|
|
|
|
free(data);
|
|
|
|
TRACE("Returning %#x.\n", status);
|
|
|
|
return status;
|
|
}
|
|
|
|
static int schan_validate_decrypt_buffer_desc(PSecBufferDesc message)
|
|
{
|
|
int data_idx = -1;
|
|
unsigned int empty_count = 0;
|
|
unsigned int i;
|
|
|
|
if (message->cBuffers < 4)
|
|
{
|
|
WARN("Less than four buffers passed\n");
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < message->cBuffers; ++i)
|
|
{
|
|
SecBuffer *b = &message->pBuffers[i];
|
|
if (b->BufferType == SECBUFFER_DATA)
|
|
{
|
|
if (data_idx != -1)
|
|
{
|
|
WARN("More than one data buffer passed\n");
|
|
return -1;
|
|
}
|
|
data_idx = i;
|
|
}
|
|
else if (b->BufferType == SECBUFFER_EMPTY)
|
|
++empty_count;
|
|
}
|
|
|
|
if (data_idx == -1)
|
|
{
|
|
WARN("No data buffer passed\n");
|
|
return -1;
|
|
}
|
|
|
|
if (empty_count < 3)
|
|
{
|
|
WARN("Less than three empty buffers passed\n");
|
|
return -1;
|
|
}
|
|
|
|
return data_idx;
|
|
}
|
|
|
|
static void schan_decrypt_fill_buffer(PSecBufferDesc message, ULONG buffer_type, void *data, ULONG size)
|
|
{
|
|
int idx;
|
|
SecBuffer *buffer;
|
|
|
|
idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
|
|
buffer = &message->pBuffers[idx];
|
|
|
|
buffer->BufferType = buffer_type;
|
|
buffer->pvBuffer = data;
|
|
buffer->cbBuffer = size;
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle,
|
|
PSecBufferDesc message, ULONG message_seq_no, PULONG quality)
|
|
{
|
|
SECURITY_STATUS status = SEC_E_OK;
|
|
struct schan_context *ctx;
|
|
struct recv_params params;
|
|
SecBuffer *buffer;
|
|
SIZE_T data_size;
|
|
char *data;
|
|
unsigned expected_size;
|
|
SIZE_T received = 0;
|
|
int idx;
|
|
unsigned char *buf_ptr;
|
|
|
|
TRACE("context_handle %p, message %p, message_seq_no %d, quality %p\n",
|
|
context_handle, message, message_seq_no, quality);
|
|
|
|
if (!context_handle) return SEC_E_INVALID_HANDLE;
|
|
ctx = schan_get_object(context_handle->dwLower, SCHAN_HANDLE_CTX);
|
|
|
|
dump_buffer_desc(message);
|
|
|
|
idx = schan_validate_decrypt_buffer_desc(message);
|
|
if (idx == -1)
|
|
return SEC_E_INVALID_TOKEN;
|
|
buffer = &message->pBuffers[idx];
|
|
buf_ptr = buffer->pvBuffer;
|
|
|
|
expected_size = ctx->header_size + read_record_size(buf_ptr, ctx->header_size);
|
|
if(buffer->cbBuffer < expected_size)
|
|
{
|
|
TRACE("Expected %u bytes, but buffer only contains %u bytes\n", expected_size, buffer->cbBuffer);
|
|
buffer->BufferType = SECBUFFER_MISSING;
|
|
buffer->cbBuffer = expected_size - buffer->cbBuffer;
|
|
|
|
/* This is a bit weird, but windows does it too */
|
|
idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
|
|
buffer = &message->pBuffers[idx];
|
|
buffer->BufferType = SECBUFFER_MISSING;
|
|
buffer->cbBuffer = expected_size - buffer->cbBuffer;
|
|
|
|
TRACE("Returning SEC_E_INCOMPLETE_MESSAGE\n");
|
|
return SEC_E_INCOMPLETE_MESSAGE;
|
|
}
|
|
|
|
data_size = expected_size - ctx->header_size;
|
|
data = malloc(data_size);
|
|
|
|
received = data_size;
|
|
|
|
params.session = ctx->transport.session;
|
|
params.input = message;
|
|
params.input_size = expected_size;
|
|
params.buffer = data;
|
|
params.length = &received;
|
|
status = GNUTLS_CALL( recv, ¶ms );
|
|
|
|
if (status != SEC_E_OK && status != SEC_I_RENEGOTIATE)
|
|
{
|
|
free(data);
|
|
ERR("Returning %x\n", status);
|
|
return status;
|
|
}
|
|
|
|
TRACE("Received %ld bytes\n", received);
|
|
|
|
memcpy(buf_ptr + ctx->header_size, data, received);
|
|
free(data);
|
|
|
|
schan_decrypt_fill_buffer(message, SECBUFFER_DATA,
|
|
buf_ptr + ctx->header_size, received);
|
|
|
|
schan_decrypt_fill_buffer(message, SECBUFFER_STREAM_TRAILER,
|
|
buf_ptr + ctx->header_size + received, buffer->cbBuffer - ctx->header_size - received);
|
|
|
|
if(buffer->cbBuffer > expected_size)
|
|
schan_decrypt_fill_buffer(message, SECBUFFER_EXTRA,
|
|
buf_ptr + expected_size, buffer->cbBuffer - expected_size);
|
|
|
|
buffer->BufferType = SECBUFFER_STREAM_HEADER;
|
|
buffer->cbBuffer = ctx->header_size;
|
|
|
|
return status;
|
|
}
|
|
|
|
static SECURITY_STATUS SEC_ENTRY schan_DeleteSecurityContext(PCtxtHandle context_handle)
|
|
{
|
|
struct schan_context *ctx;
|
|
struct session_params params;
|
|
|
|
TRACE("context_handle %p\n", context_handle);
|
|
|
|
if (!context_handle) return SEC_E_INVALID_HANDLE;
|
|
|
|
ctx = schan_free_handle(context_handle->dwLower, SCHAN_HANDLE_CTX);
|
|
if (!ctx) return SEC_E_INVALID_HANDLE;
|
|
|
|
if (ctx->cert) CertFreeCertificateContext(ctx->cert);
|
|
params.session = ctx->transport.session;
|
|
GNUTLS_CALL( dispose_session, ¶ms );
|
|
free(ctx);
|
|
return SEC_E_OK;
|
|
}
|
|
|
|
static const SecurityFunctionTableA schanTableA = {
|
|
1,
|
|
NULL, /* EnumerateSecurityPackagesA */
|
|
schan_QueryCredentialsAttributesA,
|
|
schan_AcquireCredentialsHandleA,
|
|
schan_FreeCredentialsHandle,
|
|
NULL, /* Reserved2 */
|
|
schan_InitializeSecurityContextA,
|
|
NULL, /* AcceptSecurityContext */
|
|
NULL, /* CompleteAuthToken */
|
|
schan_DeleteSecurityContext,
|
|
NULL, /* ApplyControlToken */
|
|
schan_QueryContextAttributesA,
|
|
NULL, /* ImpersonateSecurityContext */
|
|
NULL, /* RevertSecurityContext */
|
|
NULL, /* MakeSignature */
|
|
NULL, /* VerifySignature */
|
|
FreeContextBuffer,
|
|
NULL, /* QuerySecurityPackageInfoA */
|
|
NULL, /* Reserved3 */
|
|
NULL, /* Reserved4 */
|
|
NULL, /* ExportSecurityContext */
|
|
NULL, /* ImportSecurityContextA */
|
|
NULL, /* AddCredentialsA */
|
|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
schan_EncryptMessage,
|
|
schan_DecryptMessage,
|
|
NULL, /* SetContextAttributesA */
|
|
};
|
|
|
|
static const SecurityFunctionTableW schanTableW = {
|
|
1,
|
|
NULL, /* EnumerateSecurityPackagesW */
|
|
schan_QueryCredentialsAttributesW,
|
|
schan_AcquireCredentialsHandleW,
|
|
schan_FreeCredentialsHandle,
|
|
NULL, /* Reserved2 */
|
|
schan_InitializeSecurityContextW,
|
|
NULL, /* AcceptSecurityContext */
|
|
NULL, /* CompleteAuthToken */
|
|
schan_DeleteSecurityContext,
|
|
NULL, /* ApplyControlToken */
|
|
schan_QueryContextAttributesW,
|
|
NULL, /* ImpersonateSecurityContext */
|
|
NULL, /* RevertSecurityContext */
|
|
NULL, /* MakeSignature */
|
|
NULL, /* VerifySignature */
|
|
FreeContextBuffer,
|
|
NULL, /* QuerySecurityPackageInfoW */
|
|
NULL, /* Reserved3 */
|
|
NULL, /* Reserved4 */
|
|
NULL, /* ExportSecurityContext */
|
|
NULL, /* ImportSecurityContextW */
|
|
NULL, /* AddCredentialsW */
|
|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
schan_EncryptMessage,
|
|
schan_DecryptMessage,
|
|
NULL, /* SetContextAttributesW */
|
|
};
|
|
|
|
void SECUR32_initSchannelSP(void)
|
|
{
|
|
/* This is what Windows reports. This shouldn't break any applications
|
|
* even though the functions are missing, because the wrapper will
|
|
* return SEC_E_UNSUPPORTED_FUNCTION if our function is NULL.
|
|
*/
|
|
static const LONG caps =
|
|
SECPKG_FLAG_INTEGRITY |
|
|
SECPKG_FLAG_PRIVACY |
|
|
SECPKG_FLAG_CONNECTION |
|
|
SECPKG_FLAG_MULTI_REQUIRED |
|
|
SECPKG_FLAG_EXTENDED_ERROR |
|
|
SECPKG_FLAG_IMPERSONATION |
|
|
SECPKG_FLAG_ACCEPT_WIN32_NAME |
|
|
SECPKG_FLAG_STREAM;
|
|
static const short version = 1;
|
|
static const LONG maxToken = 16384;
|
|
SEC_WCHAR *uniSPName = (SEC_WCHAR *)UNISP_NAME_W,
|
|
*schannel = (SEC_WCHAR *)SCHANNEL_NAME_W;
|
|
const SecPkgInfoW info[] = {
|
|
{ caps, version, UNISP_RPC_ID, maxToken, uniSPName, uniSPName },
|
|
{ caps, version, UNISP_RPC_ID, maxToken, schannel, (SEC_WCHAR *)L"Schannel Security Package" },
|
|
};
|
|
SecureProvider *provider;
|
|
|
|
if (!gnutls_handle)
|
|
{
|
|
if (NtQueryVirtualMemory( GetCurrentProcess(), hsecur32, MemoryWineUnixFuncs,
|
|
&gnutls_handle, sizeof(gnutls_handle), NULL ) ||
|
|
GNUTLS_CALL( process_attach, NULL ))
|
|
{
|
|
ERR( "no schannel support, expect problems\n" );
|
|
return;
|
|
}
|
|
}
|
|
|
|
schan_handle_table = malloc(64 * sizeof(*schan_handle_table));
|
|
if (!schan_handle_table)
|
|
{
|
|
ERR("Failed to allocate schannel handle table.\n");
|
|
goto fail;
|
|
}
|
|
schan_handle_table_size = 64;
|
|
|
|
provider = SECUR32_addProvider(&schanTableA, &schanTableW, L"schannel.dll");
|
|
if (!provider)
|
|
{
|
|
ERR("Failed to add schannel provider.\n");
|
|
goto fail;
|
|
}
|
|
|
|
SECUR32_addPackages(provider, ARRAY_SIZE(info), NULL, info);
|
|
return;
|
|
|
|
fail:
|
|
free(schan_handle_table);
|
|
schan_handle_table = NULL;
|
|
return;
|
|
}
|
|
|
|
void SECUR32_deinitSchannelSP(void)
|
|
{
|
|
SIZE_T i = schan_handle_count;
|
|
|
|
if (!schan_handle_table) return;
|
|
|
|
/* deinitialized sessions first because a pointer to the credentials
|
|
* may be stored for the session. */
|
|
while (i--)
|
|
{
|
|
if (schan_handle_table[i].type == SCHAN_HANDLE_CTX)
|
|
{
|
|
struct schan_context *ctx = schan_free_handle(i, SCHAN_HANDLE_CTX);
|
|
struct session_params params = { ctx->transport.session };
|
|
GNUTLS_CALL( dispose_session, ¶ms );
|
|
free(ctx);
|
|
}
|
|
}
|
|
i = schan_handle_count;
|
|
while (i--)
|
|
{
|
|
if (schan_handle_table[i].type != SCHAN_HANDLE_FREE)
|
|
{
|
|
struct schan_credentials *cred = schan_free_handle(i, SCHAN_HANDLE_CRED);
|
|
struct free_certificate_credentials_params params = { cred };
|
|
GNUTLS_CALL( free_certificate_credentials, ¶ms );
|
|
free(cred);
|
|
}
|
|
}
|
|
free(schan_handle_table);
|
|
GNUTLS_CALL( process_detach, NULL );
|
|
gnutls_handle = 0;
|
|
}
|