2 * IQueryAssociations helper functions
4 * Copyright 2002 Jon Griffiths
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
31 #include "wine/unicode.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(shell
);
36 /* Default IQueryAssociations::Init() flags */
37 #define SHLWAPI_DEF_ASSOCF (ASSOCF_INIT_BYEXENAME|ASSOCF_INIT_DEFAULTTOSTAR| \
38 ASSOCF_INIT_DEFAULTTOFOLDER)
40 /*************************************************************************
43 * Internal helper function: Convert ASCII parameter to Unicode.
45 static BOOL
SHLWAPI_ParamAToW(LPCSTR lpszParam
, LPWSTR lpszBuff
, DWORD dwLen
,
50 DWORD dwStrLen
= MultiByteToWideChar(CP_ACP
, 0, lpszParam
, -1, NULL
, 0);
54 *lpszOut
= lpszBuff
; /* Use Buffer, it is big enough */
58 /* Create a new buffer big enough for the string */
59 *lpszOut
= HeapAlloc(GetProcessHeap(), 0,
60 dwStrLen
* sizeof(WCHAR
));
64 MultiByteToWideChar(CP_ACP
, 0, lpszParam
, -1, *lpszOut
, dwStrLen
);
71 /*************************************************************************
72 * AssocCreate [SHLWAPI.@]
74 * Create a new IQueryAssociations object.
77 * clsid [I] CLSID of object
78 * refiid [I] REFIID of interface
79 * lpInterface [O] Destination for the created IQueryAssociations object
82 * Success: S_OK. lpInterface contains the new object.
83 * Failure: An HRESULT error code indicating the error.
86 * clsid must be equal to CLSID_QueryAssociations and
87 * refiid must be equal to IID_IQueryAssociations, IID_IUnknown or this function will fail
89 HRESULT WINAPI
AssocCreate(CLSID clsid
, REFIID refiid
, void **lpInterface
)
91 TRACE("(%s,%s,%p)\n", debugstr_guid(&clsid
), debugstr_guid(refiid
),
97 *(DWORD
*)lpInterface
= 0;
99 if (!IsEqualGUID(&clsid
, &CLSID_QueryAssociations
))
100 return CLASS_E_CLASSNOTAVAILABLE
;
102 return SHCoCreateInstance( NULL
, &clsid
, NULL
, refiid
, lpInterface
);
105 /*************************************************************************
106 * AssocGetPerceivedType [SHLWAPI.@]
108 * Detect the type of a file by inspecting its extension
111 * lpszExt [I] File extension to evaluate.
112 * lpType [O] Pointer to perceived type
113 * lpFlag [O] Pointer to perceived type flag
114 * lppszType [O] Address to pointer for perceived type text
117 * Success: S_OK. lpType and lpFlag contain the perceived type and
118 * its information. If lppszType is not NULL, it will point
119 * to a string with perceived type text.
120 * Failure: An HRESULT error code indicating the error.
123 * lppszType is optional and it can be NULL.
124 * if lpType or lpFlag are NULL, the function will crash.
125 * if lpszExt is NULL, an error is returned.
130 HRESULT WINAPI
AssocGetPerceivedType(LPCWSTR lpszExt
, PERCEIVED
*lpType
,
131 INT
*lpFlag
, LPWSTR
*lppszType
)
133 FIXME("(%s, %p, %p, %p) not supported\n", debugstr_w(lpszExt
), lpType
, lpFlag
, lppszType
);
136 return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND
);
141 /*************************************************************************
142 * AssocQueryKeyW [SHLWAPI.@]
144 * See AssocQueryKeyA.
146 HRESULT WINAPI
AssocQueryKeyW(ASSOCF cfFlags
, ASSOCKEY assockey
, LPCWSTR pszAssoc
,
147 LPCWSTR pszExtra
, HKEY
*phkeyOut
)
150 IQueryAssociations
* lpAssoc
;
152 TRACE("(0x%x,%d,%s,%s,%p)\n", cfFlags
, assockey
, debugstr_w(pszAssoc
),
153 debugstr_w(pszExtra
), phkeyOut
);
155 hRet
= AssocCreate( CLSID_QueryAssociations
, &IID_IQueryAssociations
, (void **)&lpAssoc
);
156 if (FAILED(hRet
)) return hRet
;
158 cfFlags
&= SHLWAPI_DEF_ASSOCF
;
159 hRet
= IQueryAssociations_Init(lpAssoc
, cfFlags
, pszAssoc
, NULL
, NULL
);
162 hRet
= IQueryAssociations_GetKey(lpAssoc
, cfFlags
, assockey
, pszExtra
, phkeyOut
);
164 IQueryAssociations_Release(lpAssoc
);
168 /*************************************************************************
169 * AssocQueryKeyA [SHLWAPI.@]
171 * Get a file association key from the registry.
174 * cfFlags [I] ASSOCF_ flags from "shlwapi.h"
175 * assockey [I] Type of key to get
176 * pszAssoc [I] Key name to search below
177 * pszExtra [I] Extra information about the key location
178 * phkeyOut [O] Destination for the association key
181 * Success: S_OK. phkeyOut contains the key.
182 * Failure: An HRESULT error code indicating the error.
184 HRESULT WINAPI
AssocQueryKeyA(ASSOCF cfFlags
, ASSOCKEY assockey
, LPCSTR pszAssoc
,
185 LPCSTR pszExtra
, HKEY
*phkeyOut
)
187 WCHAR szAssocW
[MAX_PATH
], *lpszAssocW
= NULL
;
188 WCHAR szExtraW
[MAX_PATH
], *lpszExtraW
= NULL
;
189 HRESULT hRet
= E_OUTOFMEMORY
;
191 TRACE("(0x%x,%d,%s,%s,%p)\n", cfFlags
, assockey
, debugstr_a(pszAssoc
),
192 debugstr_a(pszExtra
), phkeyOut
);
194 if (SHLWAPI_ParamAToW(pszAssoc
, szAssocW
, MAX_PATH
, &lpszAssocW
) &&
195 SHLWAPI_ParamAToW(pszExtra
, szExtraW
, MAX_PATH
, &lpszExtraW
))
197 hRet
= AssocQueryKeyW(cfFlags
, assockey
, lpszAssocW
, lpszExtraW
, phkeyOut
);
200 if (lpszAssocW
!= szAssocW
)
201 HeapFree(GetProcessHeap(), 0, lpszAssocW
);
203 if (lpszExtraW
!= szExtraW
)
204 HeapFree(GetProcessHeap(), 0, lpszExtraW
);
209 /*************************************************************************
210 * AssocQueryStringW [SHLWAPI.@]
212 * See AssocQueryStringA.
214 HRESULT WINAPI
AssocQueryStringW(ASSOCF cfFlags
, ASSOCSTR str
, LPCWSTR pszAssoc
,
215 LPCWSTR pszExtra
, LPWSTR pszOut
, DWORD
*pcchOut
)
218 IQueryAssociations
* lpAssoc
;
220 TRACE("(0x%x,%d,%s,%s,%p,%p)\n", cfFlags
, str
, debugstr_w(pszAssoc
),
221 debugstr_w(pszExtra
), pszOut
, pcchOut
);
226 hRet
= AssocCreate( CLSID_QueryAssociations
, &IID_IQueryAssociations
, (void **)&lpAssoc
);
227 if (FAILED(hRet
)) return hRet
;
229 hRet
= IQueryAssociations_Init(lpAssoc
, cfFlags
& SHLWAPI_DEF_ASSOCF
,
230 pszAssoc
, NULL
, NULL
);
233 hRet
= IQueryAssociations_GetString(lpAssoc
, cfFlags
, str
, pszExtra
,
236 IQueryAssociations_Release(lpAssoc
);
240 /*************************************************************************
241 * AssocQueryStringA [SHLWAPI.@]
243 * Get a file association string from the registry.
246 * cfFlags [I] ASSOCF_ flags from "shlwapi.h"
247 * str [I] Type of string to get (ASSOCSTR enum from "shlwapi.h")
248 * pszAssoc [I] Key name to search below
249 * pszExtra [I] Extra information about the string location
250 * pszOut [O] Destination for the association string
251 * pcchOut [O] Length of pszOut
254 * Success: S_OK. pszOut contains the string, pcchOut contains its length.
255 * Failure: An HRESULT error code indicating the error.
257 HRESULT WINAPI
AssocQueryStringA(ASSOCF cfFlags
, ASSOCSTR str
, LPCSTR pszAssoc
,
258 LPCSTR pszExtra
, LPSTR pszOut
, DWORD
*pcchOut
)
260 WCHAR szAssocW
[MAX_PATH
], *lpszAssocW
= NULL
;
261 WCHAR szExtraW
[MAX_PATH
], *lpszExtraW
= NULL
;
262 HRESULT hRet
= E_OUTOFMEMORY
;
264 TRACE("(0x%x,0x%d,%s,%s,%p,%p)\n", cfFlags
, str
, debugstr_a(pszAssoc
),
265 debugstr_a(pszExtra
), pszOut
, pcchOut
);
269 else if (SHLWAPI_ParamAToW(pszAssoc
, szAssocW
, MAX_PATH
, &lpszAssocW
) &&
270 SHLWAPI_ParamAToW(pszExtra
, szExtraW
, MAX_PATH
, &lpszExtraW
))
272 WCHAR szReturnW
[MAX_PATH
], *lpszReturnW
= szReturnW
;
273 DWORD dwLenOut
= *pcchOut
;
275 if (dwLenOut
>= MAX_PATH
)
276 lpszReturnW
= HeapAlloc(GetProcessHeap(), 0,
277 (dwLenOut
+ 1) * sizeof(WCHAR
));
279 dwLenOut
= sizeof(szReturnW
) / sizeof(szReturnW
[0]);
282 hRet
= E_OUTOFMEMORY
;
285 hRet
= AssocQueryStringW(cfFlags
, str
, lpszAssocW
, lpszExtraW
,
286 lpszReturnW
, &dwLenOut
);
289 dwLenOut
= WideCharToMultiByte(CP_ACP
, 0, lpszReturnW
, -1,
290 pszOut
, *pcchOut
, NULL
, NULL
);
293 if (lpszReturnW
!= szReturnW
)
294 HeapFree(GetProcessHeap(), 0, lpszReturnW
);
298 if (lpszAssocW
!= szAssocW
)
299 HeapFree(GetProcessHeap(), 0, lpszAssocW
);
300 if (lpszExtraW
!= szExtraW
)
301 HeapFree(GetProcessHeap(), 0, lpszExtraW
);
305 /*************************************************************************
306 * AssocQueryStringByKeyW [SHLWAPI.@]
308 * See AssocQueryStringByKeyA.
310 HRESULT WINAPI
AssocQueryStringByKeyW(ASSOCF cfFlags
, ASSOCSTR str
, HKEY hkAssoc
,
311 LPCWSTR pszExtra
, LPWSTR pszOut
,
315 IQueryAssociations
* lpAssoc
;
317 TRACE("(0x%x,0x%d,%p,%s,%p,%p)\n", cfFlags
, str
, hkAssoc
,
318 debugstr_w(pszExtra
), pszOut
, pcchOut
);
320 hRet
= AssocCreate( CLSID_QueryAssociations
, &IID_IQueryAssociations
, (void **)&lpAssoc
);
321 if (FAILED(hRet
)) return hRet
;
323 cfFlags
&= SHLWAPI_DEF_ASSOCF
;
324 hRet
= IQueryAssociations_Init(lpAssoc
, cfFlags
, 0, hkAssoc
, NULL
);
327 hRet
= IQueryAssociations_GetString(lpAssoc
, cfFlags
, str
, pszExtra
,
330 IQueryAssociations_Release(lpAssoc
);
334 /*************************************************************************
335 * AssocQueryStringByKeyA [SHLWAPI.@]
337 * Get a file association string from the registry, given a starting key.
340 * cfFlags [I] ASSOCF_ flags from "shlwapi.h"
341 * str [I] Type of string to get
342 * hkAssoc [I] Key to search below
343 * pszExtra [I] Extra information about the string location
344 * pszOut [O] Destination for the association string
345 * pcchOut [O] Length of pszOut
348 * Success: S_OK. pszOut contains the string, pcchOut contains its length.
349 * Failure: An HRESULT error code indicating the error.
351 HRESULT WINAPI
AssocQueryStringByKeyA(ASSOCF cfFlags
, ASSOCSTR str
, HKEY hkAssoc
,
352 LPCSTR pszExtra
, LPSTR pszOut
,
355 WCHAR szExtraW
[MAX_PATH
], *lpszExtraW
= szExtraW
;
356 WCHAR szReturnW
[MAX_PATH
], *lpszReturnW
= szReturnW
;
357 HRESULT hRet
= E_OUTOFMEMORY
;
359 TRACE("(0x%x,0x%d,%p,%s,%p,%p)\n", cfFlags
, str
, hkAssoc
,
360 debugstr_a(pszExtra
), pszOut
, pcchOut
);
364 else if (SHLWAPI_ParamAToW(pszExtra
, szExtraW
, MAX_PATH
, &lpszExtraW
))
366 DWORD dwLenOut
= *pcchOut
;
367 if (dwLenOut
>= MAX_PATH
)
368 lpszReturnW
= HeapAlloc(GetProcessHeap(), 0,
369 (dwLenOut
+ 1) * sizeof(WCHAR
));
373 hRet
= AssocQueryStringByKeyW(cfFlags
, str
, hkAssoc
, lpszExtraW
,
374 lpszReturnW
, &dwLenOut
);
377 WideCharToMultiByte(CP_ACP
,0,szReturnW
,-1,pszOut
,dwLenOut
,0,0);
380 if (lpszReturnW
!= szReturnW
)
381 HeapFree(GetProcessHeap(), 0, lpszReturnW
);
385 if (lpszExtraW
!= szExtraW
)
386 HeapFree(GetProcessHeap(), 0, lpszExtraW
);
391 /**************************************************************************
392 * AssocIsDangerous (SHLWAPI.@)
394 * Determine if a file association is dangerous (potentially malware).
397 * lpszAssoc [I] Name of file or file extension to check.
400 * TRUE, if lpszAssoc may potentially be malware (executable),
403 BOOL WINAPI
AssocIsDangerous(LPCWSTR lpszAssoc
)
405 FIXME("%s\n", debugstr_w(lpszAssoc
));