xref: /reactos/dll/win32/propsys/propsys_main.c (revision 9c5efed7)
1 /*
2  * propsys main
3  *
4  * Copyright 1997, 2002 Alexandre Julliard
5  * Copyright 2008 James Hawkins
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 #define COBJMACROS
23 
24 #include <stdarg.h>
25 
26 #include "windef.h"
27 #include "winbase.h"
28 #include "objbase.h"
29 #include "rpcproxy.h"
30 #include "propsys.h"
31 #include "wine/debug.h"
32 
33 #include "propsys_private.h"
34 
35 WINE_DEFAULT_DEBUG_CHANNEL(propsys);
36 
37 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
38 {
39     *ppv = NULL;
40 
41     if(IsEqualGUID(&IID_IUnknown, riid)) {
42         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
43         *ppv = iface;
44     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
45         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
46         *ppv = iface;
47     }
48 
49     if(*ppv) {
50         IUnknown_AddRef((IUnknown*)*ppv);
51         return S_OK;
52     }
53 
54     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
55     return E_NOINTERFACE;
56 }
57 
58 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
59 {
60     TRACE("(%p)\n", iface);
61     return 2;
62 }
63 
64 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
65 {
66     TRACE("(%p)\n", iface);
67     return 1;
68 }
69 
70 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
71 {
72     TRACE("(%p)->(%x)\n", iface, fLock);
73 
74     return S_OK;
75 }
76 
77 static HRESULT WINAPI InMemoryPropertyStoreFactory_CreateInstance(IClassFactory *iface, IUnknown *outer,
78         REFIID riid, void **ppv)
79 {
80     TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
81 
82     return PropertyStore_CreateInstance(outer, riid, ppv);
83 }
84 
85 static const IClassFactoryVtbl InMemoryPropertyStoreFactoryVtbl = {
86     ClassFactory_QueryInterface,
87     ClassFactory_AddRef,
88     ClassFactory_Release,
89     InMemoryPropertyStoreFactory_CreateInstance,
90     ClassFactory_LockServer
91 };
92 
93 static IClassFactory InMemoryPropertyStoreFactory = { &InMemoryPropertyStoreFactoryVtbl };
94 
95 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
96 {
97     if(IsEqualGUID(&CLSID_InMemoryPropertyStore, rclsid)) {
98         TRACE("(CLSID_InMemoryPropertyStore %s %p)\n", debugstr_guid(riid), ppv);
99         return IClassFactory_QueryInterface(&InMemoryPropertyStoreFactory, riid, ppv);
100     }
101 
102     FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
103     return CLASS_E_CLASSNOTAVAILABLE;
104 }
105 
106 static HRESULT WINAPI propsys_QueryInterface(IPropertySystem *iface, REFIID riid, void **obj)
107 {
108     *obj = NULL;
109 
110     if (IsEqualIID(riid, &IID_IPropertySystem) || IsEqualIID(riid, &IID_IUnknown)) {
111         *obj = iface;
112         IPropertySystem_AddRef(iface);
113         return S_OK;
114     }
115 
116     FIXME("%s\n", debugstr_guid(riid));
117     return E_NOINTERFACE;
118 }
119 
120 static ULONG WINAPI propsys_AddRef(IPropertySystem *iface)
121 {
122     return 2;
123 }
124 
125 static ULONG WINAPI propsys_Release(IPropertySystem *iface)
126 {
127     return 1;
128 }
129 
130 static HRESULT WINAPI propsys_GetPropertyDescription(IPropertySystem *iface,
131     REFPROPERTYKEY propkey, REFIID riid, void **ppv)
132 {
133     return PSGetPropertyDescription(propkey, riid, ppv);
134 }
135 
136 static HRESULT WINAPI propsys_GetPropertyDescriptionByName(IPropertySystem *iface,
137     LPCWSTR canonical_name, REFIID riid, void **ppv)
138 {
139     FIXME("%s %s %p: stub\n", debugstr_w(canonical_name), debugstr_guid(riid), ppv);
140     return E_NOTIMPL;
141 }
142 
143 static HRESULT WINAPI propsys_GetPropertyDescriptionListFromString(IPropertySystem *iface,
144     LPCWSTR proplist, REFIID riid, void **ppv)
145 {
146     return PSGetPropertyDescriptionListFromString(proplist, riid, ppv);
147 }
148 
149 static HRESULT WINAPI propsys_EnumeratePropertyDescriptions(IPropertySystem *iface,
150     PROPDESC_ENUMFILTER filter, REFIID riid, void **ppv)
151 {
152     FIXME("%d %s %p: stub\n", filter, debugstr_guid(riid), ppv);
153     return E_NOTIMPL;
154 }
155 
156 static HRESULT WINAPI propsys_FormatForDisplay(IPropertySystem *iface,
157     REFPROPERTYKEY key, REFPROPVARIANT propvar, PROPDESC_FORMAT_FLAGS flags,
158     LPWSTR dest, DWORD destlen)
159 {
160     FIXME("%p %p %x %p %ld: stub\n", key, propvar, flags, dest, destlen);
161     return E_NOTIMPL;
162 }
163 
164 static HRESULT WINAPI propsys_FormatForDisplayAlloc(IPropertySystem *iface,
165     REFPROPERTYKEY key, REFPROPVARIANT propvar, PROPDESC_FORMAT_FLAGS flags,
166     LPWSTR *text)
167 {
168     FIXME("%p %p %x %p: stub\n", key, propvar, flags, text);
169     return E_NOTIMPL;
170 }
171 
172 static HRESULT WINAPI propsys_RegisterPropertySchema(IPropertySystem *iface, LPCWSTR path)
173 {
174     return PSRegisterPropertySchema(path);
175 }
176 
177 static HRESULT WINAPI propsys_UnregisterPropertySchema(IPropertySystem *iface, LPCWSTR path)
178 {
179     return PSUnregisterPropertySchema(path);
180 }
181 
182 static HRESULT WINAPI propsys_RefreshPropertySchema(IPropertySystem *iface)
183 {
184     return PSRefreshPropertySchema();
185 }
186 
187 static const IPropertySystemVtbl propsysvtbl = {
188     propsys_QueryInterface,
189     propsys_AddRef,
190     propsys_Release,
191     propsys_GetPropertyDescription,
192     propsys_GetPropertyDescriptionByName,
193     propsys_GetPropertyDescriptionListFromString,
194     propsys_EnumeratePropertyDescriptions,
195     propsys_FormatForDisplay,
196     propsys_FormatForDisplayAlloc,
197     propsys_RegisterPropertySchema,
198     propsys_UnregisterPropertySchema,
199     propsys_RefreshPropertySchema
200 };
201 
202 static IPropertySystem propsys = { &propsysvtbl };
203 
204 HRESULT WINAPI PSGetPropertySystem(REFIID riid, void **obj)
205 {
206     return IPropertySystem_QueryInterface(&propsys, riid, obj);
207 }
208 
209 HRESULT WINAPI PSRegisterPropertySchema(PCWSTR path)
210 {
211     FIXME("%s stub\n", debugstr_w(path));
212 
213     return S_OK;
214 }
215 
216 HRESULT WINAPI PSUnregisterPropertySchema(PCWSTR path)
217 {
218     FIXME("%s stub\n", debugstr_w(path));
219 
220     return E_NOTIMPL;
221 }
222 
223 HRESULT WINAPI PSGetPropertyDescription(REFPROPERTYKEY propkey, REFIID riid, void **ppv)
224 {
225     FIXME("%p, %p, %p\n", propkey, riid, ppv);
226     return E_NOTIMPL;
227 }
228 
229 HRESULT WINAPI PSGetPropertyDescriptionListFromString(LPCWSTR proplist, REFIID riid, void **ppv)
230 {
231     FIXME("%s, %p, %p\n", debugstr_w(proplist), riid, ppv);
232     return E_NOTIMPL;
233 }
234 
235 HRESULT WINAPI PSGetPropertyKeyFromName(PCWSTR name, PROPERTYKEY *key)
236 {
237     FIXME("%s, %p\n", debugstr_w(name), key);
238     return E_NOTIMPL;
239 }
240 
241 HRESULT WINAPI PSRefreshPropertySchema(void)
242 {
243     FIXME("\n");
244     return S_OK;
245 }
246 
247 HRESULT WINAPI PSStringFromPropertyKey(REFPROPERTYKEY pkey, LPWSTR psz, UINT cch)
248 {
249     WCHAR pidW[PKEY_PIDSTR_MAX + 1];
250     LPWSTR p = psz;
251     int len;
252 
253     TRACE("(%p, %p, %u)\n", pkey, psz, cch);
254 
255     if (!psz)
256         return E_POINTER;
257 
258     /* GUIDSTRING_MAX accounts for null terminator, +1 for space character. */
259     if (cch <= GUIDSTRING_MAX + 1)
260         return E_NOT_SUFFICIENT_BUFFER;
261 
262     if (!pkey)
263     {
264         psz[0] = '\0';
265         return E_NOT_SUFFICIENT_BUFFER;
266     }
267 
268     swprintf(psz, cch, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", pkey->fmtid.Data1,
269              pkey->fmtid.Data2, pkey->fmtid.Data3, pkey->fmtid.Data4[0], pkey->fmtid.Data4[1],
270              pkey->fmtid.Data4[2], pkey->fmtid.Data4[3], pkey->fmtid.Data4[4],
271              pkey->fmtid.Data4[5], pkey->fmtid.Data4[6], pkey->fmtid.Data4[7]);
272 
273     /* Overwrite the null terminator with the space character. */
274     p += GUIDSTRING_MAX - 1;
275     *p++ = ' ';
276     cch -= GUIDSTRING_MAX - 1 + 1;
277 
278     len = swprintf(pidW, ARRAY_SIZE(pidW), L"%u", pkey->pid);
279 
280     if (cch >= len + 1)
281     {
282         lstrcpyW(p, pidW);
283         return S_OK;
284     }
285     else
286     {
287         WCHAR *ptr = pidW + len - 1;
288 
289         psz[0] = '\0';
290         *p++ = '\0';
291         cch--;
292 
293         /* Replicate a quirk of the native implementation where the contents
294          * of the property ID string are written backwards to the output
295          * buffer, skipping the rightmost digit. */
296         if (cch)
297         {
298             ptr--;
299             while (cch--)
300                 *p++ = *ptr--;
301         }
302 
303         return E_NOT_SUFFICIENT_BUFFER;
304     }
305 }
306 
307 static const BYTE hex2bin[] =
308 {
309     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x00 */
310     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x10 */
311     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x20 */
312     0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,        /* 0x30 */
313     0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,  /* 0x40 */
314     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x50 */
315     0,10,11,12,13,14,15                     /* 0x60 */
316 };
317 
318 static BOOL validate_indices(LPCWSTR s, int min, int max)
319 {
320     int i;
321 
322     for (i = min; i <= max; i++)
323     {
324         if (!s[i])
325             return FALSE;
326 
327         if (i == 0)
328         {
329             if (s[i] != '{')
330                 return FALSE;
331         }
332         else if (i == 9 || i == 14 || i == 19 || i == 24)
333         {
334             if (s[i] != '-')
335                 return FALSE;
336         }
337         else if (i == 37)
338         {
339             if (s[i] != '}')
340                 return FALSE;
341         }
342         else
343         {
344             if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0'))
345                 return FALSE;
346         }
347     }
348 
349     return TRUE;
350 }
351 
352 /* Adapted from CLSIDFromString helper in dlls/ole32/compobj.c and
353  * UuidFromString in dlls/rpcrt4/rpcrt4_main.c. */
354 static BOOL string_to_guid(LPCWSTR s, LPGUID id)
355 {
356     /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
357 
358     if (!validate_indices(s, 0, 8)) return FALSE;
359     id->Data1 = (hex2bin[s[1]] << 28 | hex2bin[s[2]] << 24 | hex2bin[s[3]] << 20 | hex2bin[s[4]] << 16 |
360                  hex2bin[s[5]] << 12 | hex2bin[s[6]] << 8  | hex2bin[s[7]] << 4  | hex2bin[s[8]]);
361     if (!validate_indices(s, 9, 14)) return FALSE;
362     id->Data2 = hex2bin[s[10]] << 12 | hex2bin[s[11]] << 8 | hex2bin[s[12]] << 4 | hex2bin[s[13]];
363     if (!validate_indices(s, 15, 19)) return FALSE;
364     id->Data3 = hex2bin[s[15]] << 12 | hex2bin[s[16]] << 8 | hex2bin[s[17]] << 4 | hex2bin[s[18]];
365 
366     /* these are just sequential bytes */
367 
368     if (!validate_indices(s, 20, 21)) return FALSE;
369     id->Data4[0] = hex2bin[s[20]] << 4 | hex2bin[s[21]];
370     if (!validate_indices(s, 22, 24)) return FALSE;
371     id->Data4[1] = hex2bin[s[22]] << 4 | hex2bin[s[23]];
372 
373     if (!validate_indices(s, 25, 26)) return FALSE;
374     id->Data4[2] = hex2bin[s[25]] << 4 | hex2bin[s[26]];
375     if (!validate_indices(s, 27, 28)) return FALSE;
376     id->Data4[3] = hex2bin[s[27]] << 4 | hex2bin[s[28]];
377     if (!validate_indices(s, 29, 30)) return FALSE;
378     id->Data4[4] = hex2bin[s[29]] << 4 | hex2bin[s[30]];
379     if (!validate_indices(s, 31, 32)) return FALSE;
380     id->Data4[5] = hex2bin[s[31]] << 4 | hex2bin[s[32]];
381     if (!validate_indices(s, 33, 34)) return FALSE;
382     id->Data4[6] = hex2bin[s[33]] << 4 | hex2bin[s[34]];
383     if (!validate_indices(s, 35, 37)) return FALSE;
384     id->Data4[7] = hex2bin[s[35]] << 4 | hex2bin[s[36]];
385 
386     return TRUE;
387 }
388 
389 HRESULT WINAPI PSPropertyKeyFromString(LPCWSTR pszString, PROPERTYKEY *pkey)
390 {
391     BOOL has_minus = FALSE, has_comma = FALSE;
392 
393     TRACE("(%s, %p)\n", debugstr_w(pszString), pkey);
394 
395     if (!pszString || !pkey)
396         return E_POINTER;
397 
398     memset(pkey, 0, sizeof(PROPERTYKEY));
399 
400     if (!string_to_guid(pszString, &pkey->fmtid))
401         return E_INVALIDARG;
402 
403     pszString += GUIDSTRING_MAX - 1;
404 
405     if (!*pszString)
406         return E_INVALIDARG;
407 
408     /* Only the space seems to be recognized as whitespace. The comma is only
409      * recognized once and processing terminates if another comma is found. */
410     while (*pszString == ' ' || *pszString == ',')
411     {
412         if (*pszString == ',')
413         {
414             if (has_comma)
415                 return S_OK;
416             else
417                 has_comma = TRUE;
418         }
419         pszString++;
420     }
421 
422     if (!*pszString)
423         return E_INVALIDARG;
424 
425     /* Only two minus signs are recognized if no comma is detected. The first
426      * sign is ignored, and the second is interpreted. If a comma is detected
427      * before the minus sign, then only one minus sign counts, and property ID
428      * interpretation begins with the next character. */
429     if (has_comma)
430     {
431         if (*pszString == '-')
432         {
433             has_minus = TRUE;
434             pszString++;
435         }
436     }
437     else
438     {
439         if (*pszString == '-')
440             pszString++;
441 
442         /* Skip any intermediate spaces after the first minus sign. */
443         while (*pszString == ' ')
444             pszString++;
445 
446         if (*pszString == '-')
447         {
448             has_minus = TRUE;
449             pszString++;
450         }
451 
452         /* Skip any remaining spaces after minus sign. */
453         while (*pszString == ' ')
454             pszString++;
455     }
456 
457     /* Overflow is not checked. */
458     while ('0' <= *pszString && *pszString <= '9')
459     {
460         pkey->pid *= 10;
461         pkey->pid += (*pszString - '0');
462         pszString++;
463     }
464 
465     if (has_minus)
466         pkey->pid = ~pkey->pid + 1;
467 
468     return S_OK;
469 }
470 
471 HRESULT WINAPI PSCreateMemoryPropertyStore(REFIID riid, void **ppv)
472 {
473     TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
474 
475     return PropertyStore_CreateInstance(NULL, riid, ppv);
476 }
477 
478 #ifdef __REACTOS__
479 HRESULT WINAPI DllCanUnloadNow(void)
480 {
481     return S_FALSE;
482 }
483 #endif
484