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608 lines
19 KiB
C
608 lines
19 KiB
C
/*
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* IQueryAssociations helper functions
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*
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* Copyright 2002 Jon Griffiths
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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 "precomp.h"
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/* Default IQueryAssociations::Init() flags */
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#define SHLWAPI_DEF_ASSOCF (ASSOCF_INIT_BYEXENAME|ASSOCF_INIT_DEFAULTTOSTAR| \
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ASSOCF_INIT_DEFAULTTOFOLDER)
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/*************************************************************************
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* SHLWAPI_ParamAToW
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*
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* Internal helper function: Convert ASCII parameter to Unicode.
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*/
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static BOOL SHLWAPI_ParamAToW(LPCSTR lpszParam, LPWSTR lpszBuff, DWORD dwLen,
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LPWSTR* lpszOut)
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{
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if (lpszParam)
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{
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DWORD dwStrLen = MultiByteToWideChar(CP_ACP, 0, lpszParam, -1, NULL, 0);
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if (dwStrLen < dwLen)
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{
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*lpszOut = lpszBuff; /* Use Buffer, it is big enough */
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}
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else
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{
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/* Create a new buffer big enough for the string */
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*lpszOut = HeapAlloc(GetProcessHeap(), 0,
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dwStrLen * sizeof(WCHAR));
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if (!*lpszOut)
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return FALSE;
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}
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MultiByteToWideChar(CP_ACP, 0, lpszParam, -1, *lpszOut, dwStrLen);
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}
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else
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*lpszOut = NULL;
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return TRUE;
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}
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/*************************************************************************
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* AssocCreate [SHLWAPI.@]
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*
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* Create a new IQueryAssociations object.
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*
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* PARAMS
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* clsid [I] CLSID of object
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* refiid [I] REFIID of interface
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* lpInterface [O] Destination for the created IQueryAssociations object
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*
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* RETURNS
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* Success: S_OK. lpInterface contains the new object.
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* Failure: An HRESULT error code indicating the error.
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*
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* NOTES
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* clsid must be equal to CLSID_QueryAssociations and
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* refiid must be equal to IID_IQueryAssociations, IID_IUnknown or this function will fail
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*/
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HRESULT WINAPI AssocCreate(CLSID clsid, REFIID refiid, void **lpInterface)
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{
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TRACE("(%s,%s,%p)\n", debugstr_guid(&clsid), debugstr_guid(refiid),
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lpInterface);
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if (!lpInterface)
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return E_INVALIDARG;
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*(DWORD*)lpInterface = 0;
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if (!IsEqualGUID(&clsid, &CLSID_QueryAssociations))
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return CLASS_E_CLASSNOTAVAILABLE;
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return SHCoCreateInstance( NULL, &clsid, NULL, refiid, lpInterface );
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}
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struct AssocPerceivedInfo
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{
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PCWSTR Type;
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PERCEIVED Perceived;
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INT FlagHardcoded;
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INT FlagSoftcoded;
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PCWSTR Extensions;
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};
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static const WCHAR unspecified_exts[] = {
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'.','l','n','k',0,
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'.','s','e','a','r','c','h','-','m','s',0,
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0
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};
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static const WCHAR image_exts[] = {
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'.','b','m','p',0,
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'.','d','i','b',0,
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'.','e','m','f',0,
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'.','g','i','f',0,
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'.','i','c','o',0,
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'.','j','f','i','f',0,
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'.','j','p','e',0,
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'.','j','p','e','g',0,
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'.','j','p','g',0,
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'.','p','n','g',0,
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'.','r','l','e',0,
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'.','t','i','f',0,
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'.','t','i','f','f',0,
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'.','w','m','f',0,
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0
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};
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static const WCHAR audio_exts[] = {
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'.','a','i','f',0,
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'.','a','i','f','c',0,
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'.','a','i','f','f',0,
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'.','a','u',0,
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'.','m','3','u',0,
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'.','m','i','d',0,
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'.','m','i','d','i',0,
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#if _WIN32_WINNT > 0x602
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'.','m','p','2',0,
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#endif
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'.','m','p','3',0,
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'.','r','m','i',0,
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'.','s','n','d',0,
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'.','w','a','v',0,
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'.','w','a','x',0,
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'.','w','m','a',0,
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0
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};
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static const WCHAR video_exts[] = {
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'.','a','s','f',0,
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'.','a','s','x',0,
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'.','a','v','i',0,
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'.','d','v','r','-','m','s',0,
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'.','I','V','F',0,
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'.','m','1','v',0,
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#if _WIN32_WINNT <= 0x602
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'.','m','p','2',0,
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#endif
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'.','m','p','2','v',0,
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'.','m','p','a',0,
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'.','m','p','e',0,
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'.','m','p','e','g',0,
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'.','m','p','g',0,
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'.','m','p','v','2',0,
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'.','w','m',0,
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'.','w','m','v',0,
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'.','w','m','x',0,
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'.','w','v','x',0,
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0
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};
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static const WCHAR compressed_exts[] = {
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'.','z','i','p',0,
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0
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};
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static const WCHAR document_exts[] = {
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#if _WIN32_WINNT >= 0x600
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'.','h','t','m',0,
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'.','h','t','m','l',0,
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#endif
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'.','m','h','t',0,
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0
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};
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static const WCHAR system_exts[] = {
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'.','c','p','l',0,
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0
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};
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static const WCHAR application_exts[] = {
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'.','b','a','s',0,
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'.','b','a','t',0,
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'.','c','m','d',0,
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'.','c','o','m',0,
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'.','e','x','e',0,
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'.','h','t','a',0,
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'.','m','s','i',0,
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'.','p','i','f',0,
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'.','r','e','g',0,
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'.','s','c','r',0,
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'.','v','b',0,
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0
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};
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const WCHAR type_text[] = {'t','e','x','t',0};
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const WCHAR type_image[] = {'i','m','a','g','e',0};
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const WCHAR type_audio[] = {'a','u','d','i','o',0};
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const WCHAR type_video[] = {'v','i','d','e','o',0};
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const WCHAR type_compressed[] = {'c','o','m','p','r','e','s','s','e','d',0};
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const WCHAR type_document[] = {'d','o','c','u','m','e','n','t',0};
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const WCHAR type_system[] = {'s','y','s','t','e','m',0};
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const WCHAR type_application[] = {'a','p','p','l','i','c','a','t','i','o','n',0};
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#define HARDCODED_NATIVE_WMSDK (PERCEIVEDFLAG_HARDCODED | PERCEIVEDFLAG_NATIVESUPPORT | PERCEIVEDFLAG_WMSDK)
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#define HARDCODED_NATIVE_GDIPLUS (PERCEIVEDFLAG_HARDCODED | PERCEIVEDFLAG_NATIVESUPPORT | PERCEIVEDFLAG_GDIPLUS)
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#define HARDCODED_NATIVE_ZIPFLDR (PERCEIVEDFLAG_HARDCODED | PERCEIVEDFLAG_NATIVESUPPORT | PERCEIVEDFLAG_ZIPFOLDER)
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#define SOFTCODED_NATIVESUPPORT (PERCEIVEDFLAG_SOFTCODED | PERCEIVEDFLAG_NATIVESUPPORT)
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static const struct AssocPerceivedInfo known_types[] = {
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{ NULL, PERCEIVED_TYPE_UNSPECIFIED, PERCEIVEDFLAG_HARDCODED, PERCEIVEDFLAG_SOFTCODED, unspecified_exts },
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{ type_text, PERCEIVED_TYPE_TEXT, PERCEIVEDFLAG_HARDCODED, SOFTCODED_NATIVESUPPORT, NULL },
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{ type_image, PERCEIVED_TYPE_IMAGE, HARDCODED_NATIVE_GDIPLUS, PERCEIVEDFLAG_SOFTCODED, image_exts },
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{ type_audio, PERCEIVED_TYPE_AUDIO, HARDCODED_NATIVE_WMSDK, PERCEIVEDFLAG_SOFTCODED, audio_exts },
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{ type_video, PERCEIVED_TYPE_VIDEO, HARDCODED_NATIVE_WMSDK, PERCEIVEDFLAG_SOFTCODED, video_exts },
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{ type_compressed, PERCEIVED_TYPE_COMPRESSED, HARDCODED_NATIVE_ZIPFLDR, PERCEIVEDFLAG_SOFTCODED, compressed_exts },
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{ type_document, PERCEIVED_TYPE_DOCUMENT, PERCEIVEDFLAG_HARDCODED, PERCEIVEDFLAG_SOFTCODED, document_exts },
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{ type_system, PERCEIVED_TYPE_SYSTEM, PERCEIVEDFLAG_HARDCODED, PERCEIVEDFLAG_SOFTCODED, system_exts },
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{ type_application, PERCEIVED_TYPE_APPLICATION, PERCEIVEDFLAG_HARDCODED, PERCEIVEDFLAG_SOFTCODED, application_exts },
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};
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static const struct AssocPerceivedInfo* AssocFindByBuiltinExtension(LPCWSTR pszExt)
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{
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UINT n;
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for (n = 0; n < sizeof(known_types) / sizeof(known_types[0]); ++n)
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{
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PCWSTR Ext = known_types[n].Extensions;
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while (Ext && *Ext)
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{
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if (!StrCmpIW(Ext, pszExt))
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return &known_types[n];
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Ext += (strlenW(Ext) + 1);
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}
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}
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return NULL;
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}
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static const struct AssocPerceivedInfo* AssocFindByType(LPCWSTR pszType)
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{
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UINT n;
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for (n = 0; n < sizeof(known_types) / sizeof(known_types[0]); ++n)
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{
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if (known_types[n].Type)
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{
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if (!StrCmpIW(known_types[n].Type, pszType))
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return &known_types[n];
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}
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}
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return NULL;
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}
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/*************************************************************************
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* AssocGetPerceivedType [SHLWAPI.@]
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*
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* Detect the type of a file by inspecting its extension
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*
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* PARAMS
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* lpszExt [I] File extension to evaluate.
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* lpType [O] Pointer to perceived type
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* lpFlag [O] Pointer to perceived type flag
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* lppszType [O] Address to pointer for perceived type text
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*
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* RETURNS
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* Success: S_OK. lpType and lpFlag contain the perceived type and
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* its information. If lppszType is not NULL, it will point
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* to a string with perceived type text.
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* Failure: An HRESULT error code indicating the error.
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*
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* NOTES
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* lppszType is optional and it can be NULL.
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* if lpType or lpFlag are NULL, the function will crash.
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* if lpszExt is NULL, an error is returned.
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*/
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HRESULT WINAPI AssocGetPerceivedType(LPCWSTR lpszExt, PERCEIVED *lpType,
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INT *lpFlag, LPWSTR *lppszType)
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{
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static const WCHAR PerceivedTypeKey[] = {'P','e','r','c','e','i','v','e','d','T','y','p','e',0};
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static const WCHAR SystemFileAssociationsKey[] = {'S','y','s','t','e','m','F','i','l','e',
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'A','s','s','o','c','i','a','t','i','o','n','s','\\','%','s',0};
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const struct AssocPerceivedInfo *Info;
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TRACE("(%s,%p,%p,%p)\n", debugstr_w(lpszExt), lpType, lpFlag, lppszType);
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Info = AssocFindByBuiltinExtension(lpszExt);
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if (Info)
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{
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*lpType = Info->Perceived;
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*lpFlag = Info->FlagHardcoded;
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}
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else
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{
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WCHAR Buffer[100] = { 0 };
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DWORD Size = sizeof(Buffer);
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if (RegGetValueW(HKEY_CLASSES_ROOT, lpszExt, PerceivedTypeKey,
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RRF_RT_REG_SZ, NULL, Buffer, &Size) == ERROR_SUCCESS)
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{
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Info = AssocFindByType(Buffer);
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}
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if (!Info)
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{
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WCHAR KeyName[MAX_PATH] = { 0 };
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snprintfW(KeyName, MAX_PATH, SystemFileAssociationsKey, lpszExt);
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Size = sizeof(Buffer);
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if (RegGetValueW(HKEY_CLASSES_ROOT, KeyName, PerceivedTypeKey,
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RRF_RT_REG_SZ, NULL, Buffer, &Size) == ERROR_SUCCESS)
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{
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Info = AssocFindByType(Buffer);
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}
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}
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if (Info)
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{
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*lpType = Info->Perceived;
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*lpFlag = Info->FlagSoftcoded;
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}
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}
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if (Info)
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{
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if (lppszType && Info->Type)
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{
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return SHStrDupW(Info->Type, lppszType);
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}
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return Info->Type ? S_OK : E_FAIL;
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}
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else
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{
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*lpType = PERCEIVED_TYPE_UNSPECIFIED;
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*lpFlag = 0;
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}
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return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
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}
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/*************************************************************************
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* AssocQueryKeyW [SHLWAPI.@]
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*
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* See AssocQueryKeyA.
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*/
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HRESULT WINAPI AssocQueryKeyW(ASSOCF cfFlags, ASSOCKEY assockey, LPCWSTR pszAssoc,
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LPCWSTR pszExtra, HKEY *phkeyOut)
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{
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HRESULT hRet;
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IQueryAssociations* lpAssoc;
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TRACE("(0x%x,%d,%s,%s,%p)\n", cfFlags, assockey, debugstr_w(pszAssoc),
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debugstr_w(pszExtra), phkeyOut);
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hRet = AssocCreate( CLSID_QueryAssociations, &IID_IQueryAssociations, (void **)&lpAssoc );
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if (FAILED(hRet)) return hRet;
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cfFlags &= SHLWAPI_DEF_ASSOCF;
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hRet = IQueryAssociations_Init(lpAssoc, cfFlags, pszAssoc, NULL, NULL);
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if (SUCCEEDED(hRet))
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hRet = IQueryAssociations_GetKey(lpAssoc, cfFlags, assockey, pszExtra, phkeyOut);
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IQueryAssociations_Release(lpAssoc);
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return hRet;
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}
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/*************************************************************************
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* AssocQueryKeyA [SHLWAPI.@]
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*
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* Get a file association key from the registry.
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*
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* PARAMS
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* cfFlags [I] ASSOCF_ flags from "shlwapi.h"
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* assockey [I] Type of key to get
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* pszAssoc [I] Key name to search below
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* pszExtra [I] Extra information about the key location
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* phkeyOut [O] Destination for the association key
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*
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* RETURNS
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* Success: S_OK. phkeyOut contains the key.
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* Failure: An HRESULT error code indicating the error.
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*/
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HRESULT WINAPI AssocQueryKeyA(ASSOCF cfFlags, ASSOCKEY assockey, LPCSTR pszAssoc,
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LPCSTR pszExtra, HKEY *phkeyOut)
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{
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WCHAR szAssocW[MAX_PATH], *lpszAssocW = NULL;
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WCHAR szExtraW[MAX_PATH], *lpszExtraW = NULL;
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HRESULT hRet = E_OUTOFMEMORY;
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TRACE("(0x%x,%d,%s,%s,%p)\n", cfFlags, assockey, debugstr_a(pszAssoc),
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debugstr_a(pszExtra), phkeyOut);
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if (SHLWAPI_ParamAToW(pszAssoc, szAssocW, MAX_PATH, &lpszAssocW) &&
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SHLWAPI_ParamAToW(pszExtra, szExtraW, MAX_PATH, &lpszExtraW))
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{
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hRet = AssocQueryKeyW(cfFlags, assockey, lpszAssocW, lpszExtraW, phkeyOut);
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}
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if (lpszAssocW != szAssocW)
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HeapFree(GetProcessHeap(), 0, lpszAssocW);
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if (lpszExtraW != szExtraW)
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HeapFree(GetProcessHeap(), 0, lpszExtraW);
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return hRet;
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}
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/*************************************************************************
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* AssocQueryStringW [SHLWAPI.@]
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*
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* See AssocQueryStringA.
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*/
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HRESULT WINAPI AssocQueryStringW(ASSOCF cfFlags, ASSOCSTR str, LPCWSTR pszAssoc,
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LPCWSTR pszExtra, LPWSTR pszOut, DWORD *pcchOut)
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{
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HRESULT hRet;
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IQueryAssociations* lpAssoc;
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TRACE("(0x%x,%d,%s,%s,%p,%p)\n", cfFlags, str, debugstr_w(pszAssoc),
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debugstr_w(pszExtra), pszOut, pcchOut);
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if (!pcchOut)
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return E_UNEXPECTED;
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hRet = AssocCreate( CLSID_QueryAssociations, &IID_IQueryAssociations, (void **)&lpAssoc );
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if (FAILED(hRet)) return hRet;
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hRet = IQueryAssociations_Init(lpAssoc, cfFlags & SHLWAPI_DEF_ASSOCF,
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pszAssoc, NULL, NULL);
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if (SUCCEEDED(hRet))
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hRet = IQueryAssociations_GetString(lpAssoc, cfFlags, str, pszExtra,
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pszOut, pcchOut);
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IQueryAssociations_Release(lpAssoc);
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return hRet;
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}
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/*************************************************************************
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* AssocQueryStringA [SHLWAPI.@]
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*
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* Get a file association string from the registry.
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*
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* PARAMS
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* cfFlags [I] ASSOCF_ flags from "shlwapi.h"
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* str [I] Type of string to get (ASSOCSTR enum from "shlwapi.h")
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* pszAssoc [I] Key name to search below
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* pszExtra [I] Extra information about the string location
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* pszOut [O] Destination for the association string
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* pcchOut [O] Length of pszOut
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*
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* RETURNS
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* Success: S_OK. pszOut contains the string, pcchOut contains its length.
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* Failure: An HRESULT error code indicating the error.
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*/
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HRESULT WINAPI AssocQueryStringA(ASSOCF cfFlags, ASSOCSTR str, LPCSTR pszAssoc,
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LPCSTR pszExtra, LPSTR pszOut, DWORD *pcchOut)
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{
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WCHAR szAssocW[MAX_PATH], *lpszAssocW = NULL;
|
|
WCHAR szExtraW[MAX_PATH], *lpszExtraW = NULL;
|
|
HRESULT hRet = E_OUTOFMEMORY;
|
|
|
|
TRACE("(0x%x,0x%d,%s,%s,%p,%p)\n", cfFlags, str, debugstr_a(pszAssoc),
|
|
debugstr_a(pszExtra), pszOut, pcchOut);
|
|
|
|
if (!pcchOut)
|
|
hRet = E_UNEXPECTED;
|
|
else if (SHLWAPI_ParamAToW(pszAssoc, szAssocW, MAX_PATH, &lpszAssocW) &&
|
|
SHLWAPI_ParamAToW(pszExtra, szExtraW, MAX_PATH, &lpszExtraW))
|
|
{
|
|
WCHAR szReturnW[MAX_PATH], *lpszReturnW = szReturnW;
|
|
DWORD dwLenOut = *pcchOut;
|
|
|
|
if (dwLenOut >= MAX_PATH)
|
|
lpszReturnW = HeapAlloc(GetProcessHeap(), 0,
|
|
(dwLenOut + 1) * sizeof(WCHAR));
|
|
else
|
|
dwLenOut = sizeof(szReturnW) / sizeof(szReturnW[0]);
|
|
|
|
if (!lpszReturnW)
|
|
hRet = E_OUTOFMEMORY;
|
|
else
|
|
{
|
|
hRet = AssocQueryStringW(cfFlags, str, lpszAssocW, lpszExtraW,
|
|
lpszReturnW, &dwLenOut);
|
|
|
|
if (SUCCEEDED(hRet))
|
|
dwLenOut = WideCharToMultiByte(CP_ACP, 0, lpszReturnW, -1,
|
|
pszOut, *pcchOut, NULL, NULL);
|
|
|
|
*pcchOut = dwLenOut;
|
|
if (lpszReturnW != szReturnW)
|
|
HeapFree(GetProcessHeap(), 0, lpszReturnW);
|
|
}
|
|
}
|
|
|
|
if (lpszAssocW != szAssocW)
|
|
HeapFree(GetProcessHeap(), 0, lpszAssocW);
|
|
if (lpszExtraW != szExtraW)
|
|
HeapFree(GetProcessHeap(), 0, lpszExtraW);
|
|
return hRet;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* AssocQueryStringByKeyW [SHLWAPI.@]
|
|
*
|
|
* See AssocQueryStringByKeyA.
|
|
*/
|
|
HRESULT WINAPI AssocQueryStringByKeyW(ASSOCF cfFlags, ASSOCSTR str, HKEY hkAssoc,
|
|
LPCWSTR pszExtra, LPWSTR pszOut,
|
|
DWORD *pcchOut)
|
|
{
|
|
HRESULT hRet;
|
|
IQueryAssociations* lpAssoc;
|
|
|
|
TRACE("(0x%x,0x%d,%p,%s,%p,%p)\n", cfFlags, str, hkAssoc,
|
|
debugstr_w(pszExtra), pszOut, pcchOut);
|
|
|
|
hRet = AssocCreate( CLSID_QueryAssociations, &IID_IQueryAssociations, (void **)&lpAssoc );
|
|
if (FAILED(hRet)) return hRet;
|
|
|
|
cfFlags &= SHLWAPI_DEF_ASSOCF;
|
|
hRet = IQueryAssociations_Init(lpAssoc, cfFlags, 0, hkAssoc, NULL);
|
|
|
|
if (SUCCEEDED(hRet))
|
|
hRet = IQueryAssociations_GetString(lpAssoc, cfFlags, str, pszExtra,
|
|
pszOut, pcchOut);
|
|
|
|
IQueryAssociations_Release(lpAssoc);
|
|
return hRet;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* AssocQueryStringByKeyA [SHLWAPI.@]
|
|
*
|
|
* Get a file association string from the registry, given a starting key.
|
|
*
|
|
* PARAMS
|
|
* cfFlags [I] ASSOCF_ flags from "shlwapi.h"
|
|
* str [I] Type of string to get
|
|
* hkAssoc [I] Key to search below
|
|
* pszExtra [I] Extra information about the string location
|
|
* pszOut [O] Destination for the association string
|
|
* pcchOut [O] Length of pszOut
|
|
*
|
|
* RETURNS
|
|
* Success: S_OK. pszOut contains the string, pcchOut contains its length.
|
|
* Failure: An HRESULT error code indicating the error.
|
|
*/
|
|
HRESULT WINAPI AssocQueryStringByKeyA(ASSOCF cfFlags, ASSOCSTR str, HKEY hkAssoc,
|
|
LPCSTR pszExtra, LPSTR pszOut,
|
|
DWORD *pcchOut)
|
|
{
|
|
WCHAR szExtraW[MAX_PATH], *lpszExtraW = szExtraW;
|
|
WCHAR szReturnW[MAX_PATH], *lpszReturnW = szReturnW;
|
|
HRESULT hRet = E_OUTOFMEMORY;
|
|
|
|
TRACE("(0x%x,0x%d,%p,%s,%p,%p)\n", cfFlags, str, hkAssoc,
|
|
debugstr_a(pszExtra), pszOut, pcchOut);
|
|
|
|
if (!pcchOut)
|
|
hRet = E_INVALIDARG;
|
|
else if (SHLWAPI_ParamAToW(pszExtra, szExtraW, MAX_PATH, &lpszExtraW))
|
|
{
|
|
DWORD dwLenOut = *pcchOut;
|
|
if (dwLenOut >= MAX_PATH)
|
|
lpszReturnW = HeapAlloc(GetProcessHeap(), 0,
|
|
(dwLenOut + 1) * sizeof(WCHAR));
|
|
|
|
if (lpszReturnW)
|
|
{
|
|
hRet = AssocQueryStringByKeyW(cfFlags, str, hkAssoc, lpszExtraW,
|
|
lpszReturnW, &dwLenOut);
|
|
|
|
if (SUCCEEDED(hRet))
|
|
WideCharToMultiByte(CP_ACP,0,szReturnW,-1,pszOut,dwLenOut,0,0);
|
|
*pcchOut = dwLenOut;
|
|
|
|
if (lpszReturnW != szReturnW)
|
|
HeapFree(GetProcessHeap(), 0, lpszReturnW);
|
|
}
|
|
}
|
|
|
|
if (lpszExtraW != szExtraW)
|
|
HeapFree(GetProcessHeap(), 0, lpszExtraW);
|
|
return hRet;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* AssocIsDangerous (SHLWAPI.@)
|
|
*
|
|
* Determine if a file association is dangerous (potentially malware).
|
|
*
|
|
* PARAMS
|
|
* lpszAssoc [I] Name of file or file extension to check.
|
|
*
|
|
* RETURNS
|
|
* TRUE, if lpszAssoc may potentially be malware (executable),
|
|
* FALSE, Otherwise.
|
|
*/
|
|
BOOL WINAPI AssocIsDangerous(LPCWSTR lpszAssoc)
|
|
{
|
|
FIXME("%s\n", debugstr_w(lpszAssoc));
|
|
return FALSE;
|
|
}
|