606 lines
18 KiB
C
606 lines
18 KiB
C
/* Copyright (C) 2005 Juan Lang
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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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* FIXME: It should be rather obvious that this file is empty of any
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* implementation.
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#ifdef SONAME_LIBGNUTLS
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#include <gnutls/gnutls.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "sspi.h"
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#include "schannel.h"
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#include "secur32_priv.h"
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#include "wine/debug.h"
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#include "wine/library.h"
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WINE_DEFAULT_DEBUG_CHANNEL(secur32);
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#ifdef SONAME_LIBGNUTLS
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static void *libgnutls_handle;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f
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MAKE_FUNCPTR(gnutls_certificate_allocate_credentials);
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MAKE_FUNCPTR(gnutls_certificate_free_credentials);
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MAKE_FUNCPTR(gnutls_global_deinit);
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MAKE_FUNCPTR(gnutls_global_init);
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MAKE_FUNCPTR(gnutls_global_set_log_function);
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MAKE_FUNCPTR(gnutls_global_set_log_level);
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#undef MAKE_FUNCPTR
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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_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_credentials
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{
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ULONG credential_use;
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gnutls_certificate_credentials credentials;
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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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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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/* 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", (handle-schan_handle_table), handle, handle->type);
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return -1;
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}
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schan_free_handles = (struct schan_handle *)handle->object;
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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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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 = HeapReAlloc(GetProcessHeap(), 0, 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 -1;
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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 == -1) 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 SECURITY_STATUS schan_QueryCredentialsAttributes(
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PCredHandle phCredential, ULONG ulAttribute, const VOID *pBuffer)
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{
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SECURITY_STATUS ret;
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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 = (SecPkgCred_CipherStrengths*)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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{
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/* FIXME: get from OpenSSL? */
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FIXME("SECPKG_ATTR_SUPPORTED_PROTOCOLS: 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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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 schan_CheckCreds(const SCHANNEL_CRED *schanCred)
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{
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SECURITY_STATUS st;
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switch (schanCred->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 (schanCred->cCreds == 0)
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st = SEC_E_NO_CREDENTIALS;
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else if (schanCred->cCreds > 1)
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st = SEC_E_UNKNOWN_CREDENTIALS;
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else
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{
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DWORD keySpec;
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HCRYPTPROV csp;
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BOOL ret, freeCSP;
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ret = CryptAcquireCertificatePrivateKey(schanCred->paCred[0],
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0, /* FIXME: what flags to use? */ NULL,
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&csp, &keySpec, &freeCSP);
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if (ret)
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{
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st = SEC_E_OK;
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if (freeCSP)
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CryptReleaseContext(csp, 0);
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}
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else
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st = SEC_E_UNKNOWN_CREDENTIALS;
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}
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return st;
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}
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static SECURITY_STATUS schan_AcquireClientCredentials(const SCHANNEL_CRED *schanCred,
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PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS st = SEC_E_OK;
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TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
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if (schanCred)
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{
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st = schan_CheckCreds(schanCred);
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if (st == SEC_E_NO_CREDENTIALS)
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st = SEC_E_OK;
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}
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/* For now, the only thing I'm interested in is the direction of the
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* connection, so just store it.
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*/
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if (st == SEC_E_OK)
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{
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ULONG_PTR handle;
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struct schan_credentials *creds;
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creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds));
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if (!creds) return SEC_E_INSUFFICIENT_MEMORY;
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handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
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if (handle == -1)
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{
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HeapFree(GetProcessHeap(), 0, creds);
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return SEC_E_INTERNAL_ERROR;
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}
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creds->credential_use = SECPKG_CRED_OUTBOUND;
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pgnutls_certificate_allocate_credentials(&creds->credentials);
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phCredential->dwLower = handle;
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phCredential->dwUpper = 0;
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/* Outbound credentials have no expiry */
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if (ptsExpiry)
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{
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ptsExpiry->LowPart = 0;
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ptsExpiry->HighPart = 0;
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}
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}
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return st;
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}
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static SECURITY_STATUS schan_AcquireServerCredentials(const SCHANNEL_CRED *schanCred,
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PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS st;
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TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry);
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if (!schanCred) return SEC_E_NO_CREDENTIALS;
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st = schan_CheckCreds(schanCred);
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if (st == SEC_E_OK)
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{
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ULONG_PTR handle;
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struct schan_credentials *creds;
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creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds));
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if (!creds) return SEC_E_INSUFFICIENT_MEMORY;
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creds->credential_use = SECPKG_CRED_INBOUND;
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handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED);
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if (handle == -1)
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{
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HeapFree(GetProcessHeap(), 0, creds);
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return SEC_E_INTERNAL_ERROR;
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}
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phCredential->dwLower = handle;
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phCredential->dwUpper = 0;
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/* FIXME: get expiry from cert */
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}
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return st;
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}
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static SECURITY_STATUS schan_AcquireCredentialsHandle(ULONG fCredentialUse,
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const SCHANNEL_CRED *schanCred, PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS ret;
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if (fCredentialUse == SECPKG_CRED_OUTBOUND)
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ret = schan_AcquireClientCredentials(schanCred, phCredential,
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ptsExpiry);
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else
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ret = schan_AcquireServerCredentials(schanCred, phCredential,
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ptsExpiry);
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return ret;
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}
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static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleA(
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SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse,
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PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
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PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
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debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse,
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pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
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return schan_AcquireCredentialsHandle(fCredentialUse,
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(PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry);
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}
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static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleW(
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SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse,
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PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn,
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PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry)
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{
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TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n",
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debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse,
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pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry);
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return schan_AcquireCredentialsHandle(fCredentialUse,
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(PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry);
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}
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static SECURITY_STATUS SEC_ENTRY schan_FreeCredentialsHandle(
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PCredHandle phCredential)
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{
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struct schan_credentials *creds;
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TRACE("phCredential %p\n", phCredential);
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if (!phCredential) return SEC_E_INVALID_HANDLE;
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creds = schan_free_handle(phCredential->dwLower, SCHAN_HANDLE_CRED);
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if (!creds) return SEC_E_INVALID_HANDLE;
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if (creds->credential_use == SECPKG_CRED_OUTBOUND)
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pgnutls_certificate_free_credentials(creds->credentials);
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HeapFree(GetProcessHeap(), 0, creds);
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return SEC_E_OK;
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}
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/***********************************************************************
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* InitializeSecurityContextA
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*/
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static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextA(
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PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName,
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ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
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PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext,
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PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS ret;
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TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
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debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
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Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
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if(phCredential)
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{
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FIXME("stub\n");
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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}
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else
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{
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ret = SEC_E_INVALID_HANDLE;
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}
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return ret;
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}
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/***********************************************************************
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* InitializeSecurityContextW
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*/
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static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextW(
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PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName,
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ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep,
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PSecBufferDesc pInput,ULONG Reserved2, PCtxtHandle phNewContext,
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PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry)
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{
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SECURITY_STATUS ret;
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TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext,
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debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput,
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Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry);
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if (phCredential)
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{
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FIXME("stub\n");
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ret = SEC_E_UNSUPPORTED_FUNCTION;
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}
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else
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{
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ret = SEC_E_INVALID_HANDLE;
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}
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return ret;
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}
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static void schan_gnutls_log(int level, const char *msg)
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{
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TRACE("<%d> %s", level, msg);
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}
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static const SecurityFunctionTableA schanTableA = {
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1,
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NULL, /* EnumerateSecurityPackagesA */
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schan_QueryCredentialsAttributesA,
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schan_AcquireCredentialsHandleA,
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schan_FreeCredentialsHandle,
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NULL, /* Reserved2 */
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schan_InitializeSecurityContextA,
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NULL, /* AcceptSecurityContext */
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NULL, /* CompleteAuthToken */
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NULL, /* DeleteSecurityContext */
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NULL, /* ApplyControlToken */
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NULL, /* QueryContextAttributesA */
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NULL, /* ImpersonateSecurityContext */
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NULL, /* RevertSecurityContext */
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NULL, /* MakeSignature */
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NULL, /* VerifySignature */
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FreeContextBuffer,
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NULL, /* QuerySecurityPackageInfoA */
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NULL, /* Reserved3 */
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NULL, /* Reserved4 */
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NULL, /* ExportSecurityContext */
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NULL, /* ImportSecurityContextA */
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NULL, /* AddCredentialsA */
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NULL, /* Reserved8 */
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NULL, /* QuerySecurityContextToken */
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NULL, /* EncryptMessage */
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NULL, /* DecryptMessage */
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NULL, /* SetContextAttributesA */
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};
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static const SecurityFunctionTableW schanTableW = {
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1,
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NULL, /* EnumerateSecurityPackagesW */
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schan_QueryCredentialsAttributesW,
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schan_AcquireCredentialsHandleW,
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schan_FreeCredentialsHandle,
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NULL, /* Reserved2 */
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schan_InitializeSecurityContextW,
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NULL, /* AcceptSecurityContext */
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NULL, /* CompleteAuthToken */
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NULL, /* DeleteSecurityContext */
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NULL, /* ApplyControlToken */
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NULL, /* QueryContextAttributesW */
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NULL, /* ImpersonateSecurityContext */
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NULL, /* RevertSecurityContext */
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NULL, /* MakeSignature */
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NULL, /* VerifySignature */
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FreeContextBuffer,
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NULL, /* QuerySecurityPackageInfoW */
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NULL, /* Reserved3 */
|
|
NULL, /* Reserved4 */
|
|
NULL, /* ExportSecurityContext */
|
|
NULL, /* ImportSecurityContextW */
|
|
NULL, /* AddCredentialsW */
|
|
NULL, /* Reserved8 */
|
|
NULL, /* QuerySecurityContextToken */
|
|
NULL, /* EncryptMessage */
|
|
NULL, /* DecryptMessage */
|
|
NULL, /* SetContextAttributesW */
|
|
};
|
|
|
|
static const WCHAR schannelComment[] = { 'S','c','h','a','n','n','e','l',' ',
|
|
'S','e','c','u','r','i','t','y',' ','P','a','c','k','a','g','e',0 };
|
|
static const WCHAR schannelDllName[] = { 's','c','h','a','n','n','e','l','.','d','l','l',0 };
|
|
|
|
void SECUR32_initSchannelSP(void)
|
|
{
|
|
SecureProvider *provider;
|
|
|
|
|
|
libgnutls_handle = wine_dlopen(SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0);
|
|
if (!libgnutls_handle)
|
|
{
|
|
WARN("Failed to load libgnutls.\n");
|
|
return;
|
|
}
|
|
|
|
#define LOAD_FUNCPTR(f) \
|
|
if (!(p##f = wine_dlsym(libgnutls_handle, #f, NULL, 0))) \
|
|
{ \
|
|
ERR("Failed to load %s\n", #f); \
|
|
wine_dlclose(libgnutls_handle, NULL, 0); \
|
|
libgnutls_handle = NULL; \
|
|
return; \
|
|
}
|
|
|
|
LOAD_FUNCPTR(gnutls_certificate_allocate_credentials)
|
|
LOAD_FUNCPTR(gnutls_certificate_free_credentials)
|
|
LOAD_FUNCPTR(gnutls_global_deinit)
|
|
LOAD_FUNCPTR(gnutls_global_init)
|
|
LOAD_FUNCPTR(gnutls_global_set_log_function)
|
|
LOAD_FUNCPTR(gnutls_global_set_log_level)
|
|
#undef LOAD_FUNCPTR
|
|
|
|
provider = SECUR32_addProvider(&schanTableA, &schanTableW, schannelDllName);
|
|
|
|
if (provider)
|
|
{
|
|
/* 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 *)schannelComment },
|
|
};
|
|
|
|
SECUR32_addPackages(provider, sizeof(info) / sizeof(info[0]), NULL,
|
|
info);
|
|
|
|
schan_handle_table = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 64 * sizeof(*schan_handle_table));
|
|
schan_handle_table_size = 64;
|
|
|
|
pgnutls_global_init();
|
|
if (TRACE_ON(secur32))
|
|
{
|
|
pgnutls_global_set_log_level(4);
|
|
pgnutls_global_set_log_function(schan_gnutls_log);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SECUR32_deinitSchannelSP(void)
|
|
{
|
|
pgnutls_global_deinit();
|
|
if (libgnutls_handle) wine_dlclose(libgnutls_handle, NULL, 0);
|
|
}
|
|
|
|
#else /* SONAME_LIBGNUTLS */
|
|
|
|
void SECUR32_initSchannelSP(void) {}
|
|
void SECUR32_deinitSchannelSP(void) {}
|
|
|
|
#endif /* SONAME_LIBGNUTLS */
|