mirror of
https://github.com/reactos/reactos.git
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193 lines
5.9 KiB
C
193 lines
5.9 KiB
C
/*
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* sxs main
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*
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* Copyright 2007 EA Durbin
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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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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/heap.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(sxs);
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/***********************************************************************
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* DllMain (SXS.@)
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*
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*/
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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switch(fdwReason)
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{
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case DLL_WINE_PREATTACH:
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return FALSE; /* prefer native version */
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls( hinstDLL );
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break;
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}
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return TRUE;
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}
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typedef struct _SXS_GUID_INFORMATION_CLR
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{
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DWORD cbSize;
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DWORD dwFlags;
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PCWSTR pcwszRuntimeVersion;
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PCWSTR pcwszTypeName;
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PCWSTR pcwszAssemblyIdentity;
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} SXS_GUID_INFORMATION_CLR, *PSXS_GUID_INFORMATION_CLR;
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#define SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE 0x1
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#define SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS 0x2
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#define SXS_LOOKUP_CLR_GUID_USE_ACTCTX 0x00000001
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#define SXS_LOOKUP_CLR_GUID_FIND_SURROGATE 0x00010000
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#define SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS 0x00020000
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struct comclassredirect_data
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{
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ULONG size;
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BYTE res;
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BYTE miscmask;
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BYTE res1[2];
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DWORD model;
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GUID clsid;
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GUID alias;
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GUID clsid2;
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GUID tlbid;
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ULONG name_len;
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ULONG name_offset;
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ULONG progid_len;
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ULONG progid_offset;
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ULONG clrdata_len;
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ULONG clrdata_offset;
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DWORD miscstatus;
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DWORD miscstatuscontent;
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DWORD miscstatusthumbnail;
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DWORD miscstatusicon;
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DWORD miscstatusdocprint;
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};
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struct clrclass_data
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{
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ULONG size;
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DWORD res[2];
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ULONG module_len;
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ULONG module_offset;
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ULONG name_len;
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ULONG name_offset;
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ULONG version_len;
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ULONG version_offset;
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DWORD res2[2];
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};
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BOOL WINAPI SxsLookupClrGuid(DWORD flags, GUID *clsid, HANDLE actctx, void *buffer, SIZE_T buffer_len,
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SIZE_T *buffer_len_required)
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{
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ACTCTX_SECTION_KEYED_DATA guid_info = { sizeof(ACTCTX_SECTION_KEYED_DATA) };
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ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *assembly_info;
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SIZE_T bytes_assembly_info;
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struct comclassredirect_data *redirect_data;
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struct clrclass_data *class_data;
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int len_version = 0, len_name, len_identity;
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const void *ptr_name, *ptr_version, *ptr_identity;
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SXS_GUID_INFORMATION_CLR *ret = buffer;
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char *ret_strings;
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TRACE("(%x, %s, %p, %p, %08lx, %p): stub\n", flags, wine_dbgstr_guid(clsid), actctx,
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buffer, buffer_len, buffer_len_required);
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if (flags & ~SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS)
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FIXME("Ignored flags: %x\n", flags & ~SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS);
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if (!FindActCtxSectionGuid(FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, 0,
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ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION, clsid, &guid_info))
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{
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SetLastError(ERROR_NOT_FOUND);
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return FALSE;
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}
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QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
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AssemblyDetailedInformationInActivationContext, NULL, 0, &bytes_assembly_info);
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
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{
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ReleaseActCtx(guid_info.hActCtx);
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return FALSE;
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}
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assembly_info = heap_alloc(bytes_assembly_info);
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if(!QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
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AssemblyDetailedInformationInActivationContext, assembly_info,
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bytes_assembly_info, &bytes_assembly_info))
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{
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heap_free(assembly_info);
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ReleaseActCtx(guid_info.hActCtx);
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return FALSE;
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}
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redirect_data = guid_info.lpData;
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class_data = (void *)((char*)redirect_data + redirect_data->clrdata_offset);
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ptr_identity = assembly_info->lpAssemblyEncodedAssemblyIdentity;
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ptr_name = (char *)class_data + class_data->name_offset;
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ptr_version = (char *)class_data + class_data->version_offset;
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len_identity = assembly_info->ulEncodedAssemblyIdentityLength + sizeof(WCHAR);
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len_name = class_data->name_len + sizeof(WCHAR);
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if (class_data->version_len > 0)
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len_version = class_data->version_len + sizeof(WCHAR);
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*buffer_len_required = sizeof(SXS_GUID_INFORMATION_CLR) + len_identity + len_version + len_name;
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if (!buffer || buffer_len < *buffer_len_required)
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{
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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heap_free(assembly_info);
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ReleaseActCtx(guid_info.hActCtx);
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return FALSE;
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}
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ret->cbSize = sizeof(SXS_GUID_INFORMATION_CLR);
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ret->dwFlags = SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS;
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/* Copy strings into buffer */
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ret_strings = (char *)ret + sizeof(SXS_GUID_INFORMATION_CLR);
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memcpy(ret_strings, ptr_identity, len_identity);
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ret->pcwszAssemblyIdentity = (WCHAR *)ret_strings;
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ret_strings += len_identity;
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memcpy(ret_strings, ptr_name, len_name);
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ret->pcwszTypeName = (WCHAR *)ret_strings;
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ret_strings += len_name;
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if (len_version > 0)
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{
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memcpy(ret_strings, ptr_version, len_version);
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ret->pcwszRuntimeVersion = (WCHAR *)ret_strings;
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}
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else
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ret->pcwszRuntimeVersion = NULL;
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SetLastError(0);
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ReleaseActCtx(guid_info.hActCtx);
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heap_free(assembly_info);
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return TRUE;
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}
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