reactos/dll/win32/propsys/propsys_main.c

   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 #include "propsys_private.h"
  23
  24 #include <rpcproxy.h>
  25
  26 static HINSTANCE propsys_hInstance;
  27
  28 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  29 {
  30     TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  31
  32     switch (fdwReason)
  33     {
  34         case DLL_WINE_PREATTACH:
  35             return FALSE;    /* prefer native version */
  36         case DLL_PROCESS_ATTACH:
  37             propsys_hInstance = hinstDLL;
  38             DisableThreadLibraryCalls(hinstDLL);
  39             break;
  40     }
  41
  42     return TRUE;
  43 }
  44
  45 HRESULT WINAPI DllRegisterServer(void)
  46 {
  47     return __wine_register_resources( propsys_hInstance );
  48 }
  49
  50 HRESULT WINAPI DllUnregisterServer(void)
  51 {
  52     return __wine_unregister_resources( propsys_hInstance );
  53 }
  54
  55 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppv)
  56 {
  57     *ppv = NULL;
  58
  59     if(IsEqualGUID(&IID_IUnknown, riid)) {
  60         TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
  61         *ppv = iface;
  62     }else if(IsEqualGUID(&IID_IClassFactory, riid)) {
  63         TRACE("(%p)->(IID_IClassFactory %p)\n", iface, ppv);
  64         *ppv = iface;
  65     }
  66
  67     if(*ppv) {
  68         IUnknown_AddRef((IUnknown*)*ppv);
  69         return S_OK;
  70     }
  71
  72     FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
  73     return E_NOINTERFACE;
  74 }
  75
  76 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  77 {
  78     TRACE("(%p)\n", iface);
  79     return 2;
  80 }
  81
  82 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  83 {
  84     TRACE("(%p)\n", iface);
  85     return 1;
  86 }
  87
  88 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
  89 {
  90     TRACE("(%p)->(%x)\n", iface, fLock);
  91
  92     return S_OK;
  93 }
  94
  95 static HRESULT WINAPI InMemoryPropertyStoreFactory_CreateInstance(IClassFactory *iface, IUnknown *outer,
  96         REFIID riid, void **ppv)
  97 {
  98     TRACE("(%p %s %p)\n", outer, debugstr_guid(riid), ppv);
  99
 100     return PropertyStore_CreateInstance(outer, riid, ppv);
 101 }
 102
 103 static const IClassFactoryVtbl InMemoryPropertyStoreFactoryVtbl = {
 104     ClassFactory_QueryInterface,
 105     ClassFactory_AddRef,
 106     ClassFactory_Release,
 107     InMemoryPropertyStoreFactory_CreateInstance,
 108     ClassFactory_LockServer
 109 };
 110
 111 static IClassFactory InMemoryPropertyStoreFactory = { &InMemoryPropertyStoreFactoryVtbl };
 112
 113 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 114 {
 115     if(IsEqualGUID(&CLSID_InMemoryPropertyStore, rclsid)) {
 116         TRACE("(CLSID_InMemoryPropertyStore %s %p)\n", debugstr_guid(riid), ppv);
 117         return IClassFactory_QueryInterface(&InMemoryPropertyStoreFactory, riid, ppv);
 118     }
 119
 120     FIXME("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 121     return CLASS_E_CLASSNOTAVAILABLE;
 122 }
 123
 124 HRESULT WINAPI DllCanUnloadNow(void)
 125 {
 126     return S_FALSE;
 127 }
 128
 129 HRESULT WINAPI PSRegisterPropertySchema(PCWSTR path)
 130 {
 131     FIXME("%s stub\n", debugstr_w(path));
 132
 133     return S_OK;
 134 }
 135
 136 HRESULT WINAPI PSUnregisterPropertySchema(PCWSTR path)
 137 {
 138     FIXME("%s stub\n", debugstr_w(path));
 139
 140     return E_NOTIMPL;
 141 }
 142
 143 HRESULT WINAPI PSGetPropertyDescription(REFPROPERTYKEY propkey, REFIID riid, void **ppv)
 144 {
 145     FIXME("%p, %p, %p\n", propkey, riid, ppv);
 146     return E_NOTIMPL;
 147 }
 148
 149 HRESULT WINAPI PSGetPropertyDescriptionListFromString(LPCWSTR proplist, REFIID riid, void **ppv)
 150 {
 151     FIXME("%s, %p, %p\n", debugstr_w(proplist), riid, ppv);
 152     return E_NOTIMPL;
 153 }
 154
 155 HRESULT WINAPI PSRefreshPropertySchema(void)
 156 {
 157     FIXME("\n");
 158     return S_OK;
 159 }
 160
 161 HRESULT WINAPI PSStringFromPropertyKey(REFPROPERTYKEY pkey, LPWSTR psz, UINT cch)
 162 {
 163     static const WCHAR guid_fmtW[] = {'{','%','0','8','X','-','%','0','4','X','-',
 164                                       '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
 165                                       '%','0','2','X','%','0','2','X','%','0','2','X',
 166                                       '%','0','2','X','%','0','2','X','%','0','2','X','}',0};
 167     static const WCHAR pid_fmtW[] = {'%','u',0};
 168
 169     WCHAR pidW[PKEY_PIDSTR_MAX + 1];
 170     LPWSTR p = psz;
 171     int len;
 172
 173     TRACE("(%p, %p, %u)\n", pkey, psz, cch);
 174
 175     if (!psz)
 176         return E_POINTER;
 177
 178     /* GUIDSTRING_MAX accounts for null terminator, +1 for space character. */
 179     if (cch <= GUIDSTRING_MAX + 1)
 180         return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 181
 182     if (!pkey)
 183     {
 184         psz[0] = '\0';
 185         return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 186     }
 187
 188     sprintfW(psz, guid_fmtW, pkey->fmtid.Data1, pkey->fmtid.Data2,
 189              pkey->fmtid.Data3, pkey->fmtid.Data4[0], pkey->fmtid.Data4[1],
 190              pkey->fmtid.Data4[2], pkey->fmtid.Data4[3], pkey->fmtid.Data4[4],
 191              pkey->fmtid.Data4[5], pkey->fmtid.Data4[6], pkey->fmtid.Data4[7]);
 192
 193     /* Overwrite the null terminator with the space character. */
 194     p += GUIDSTRING_MAX - 1;
 195     *p++ = ' ';
 196     cch -= GUIDSTRING_MAX - 1 + 1;
 197
 198     len = sprintfW(pidW, pid_fmtW, pkey->pid);
 199
 200     if (cch >= len + 1)
 201     {
 202         strcpyW(p, pidW);
 203         return S_OK;
 204     }
 205     else
 206     {
 207         WCHAR *ptr = pidW + len - 1;
 208
 209         psz[0] = '\0';
 210         *p++ = '\0';
 211         cch--;
 212
 213         /* Replicate a quirk of the native implementation where the contents
 214          * of the property ID string are written backwards to the output
 215          * buffer, skipping the rightmost digit. */
 216         if (cch)
 217         {
 218             ptr--;
 219             while (cch--)
 220                 *p++ = *ptr--;
 221         }
 222
 223         return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 224     }
 225 }
 226
 227 static const BYTE hex2bin[] =
 228 {
 229     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x00 */
 230     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x10 */
 231     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x20 */
 232     0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0,        /* 0x30 */
 233     0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,  /* 0x40 */
 234     0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,        /* 0x50 */
 235     0,10,11,12,13,14,15                     /* 0x60 */
 236 };
 237
 238 static BOOL validate_indices(LPCWSTR s, int min, int max)
 239 {
 240     int i;
 241
 242     for (i = min; i <= max; i++)
 243     {
 244         if (!s[i])
 245             return FALSE;
 246
 247         if (i == 0)
 248         {
 249             if (s[i] != '{')
 250                 return FALSE;
 251         }
 252         else if (i == 9 || i == 14 || i == 19 || i == 24)
 253         {
 254             if (s[i] != '-')
 255                 return FALSE;
 256         }
 257         else if (i == 37)
 258         {
 259             if (s[i] != '}')
 260                 return FALSE;
 261         }
 262         else
 263         {
 264             if (s[i] > 'f' || (!hex2bin[s[i]] && s[i] != '0'))
 265                 return FALSE;
 266         }
 267     }
 268
 269     return TRUE;
 270 }
 271
 272 /* Adapted from CLSIDFromString helper in dlls/ole32/compobj.c and
 273  * UuidFromString in dlls/rpcrt4/rpcrt4_main.c. */
 274 static BOOL string_to_guid(LPCWSTR s, LPGUID id)
 275 {
 276     /* in form {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} */
 277
 278     if (!validate_indices(s, 0, 8)) return FALSE;
 279     id->Data1 = (hex2bin[s[1]] << 28 | hex2bin[s[2]] << 24 | hex2bin[s[3]] << 20 | hex2bin[s[4]] << 16 |
 280                  hex2bin[s[5]] << 12 | hex2bin[s[6]] << 8  | hex2bin[s[7]] << 4  | hex2bin[s[8]]);
 281     if (!validate_indices(s, 9, 14)) return FALSE;
 282     id->Data2 = hex2bin[s[10]] << 12 | hex2bin[s[11]] << 8 | hex2bin[s[12]] << 4 | hex2bin[s[13]];
 283     if (!validate_indices(s, 15, 19)) return FALSE;
 284     id->Data3 = hex2bin[s[15]] << 12 | hex2bin[s[16]] << 8 | hex2bin[s[17]] << 4 | hex2bin[s[18]];
 285
 286     /* these are just sequential bytes */
 287
 288     if (!validate_indices(s, 20, 21)) return FALSE;
 289     id->Data4[0] = hex2bin[s[20]] << 4 | hex2bin[s[21]];
 290     if (!validate_indices(s, 22, 24)) return FALSE;
 291     id->Data4[1] = hex2bin[s[22]] << 4 | hex2bin[s[23]];
 292
 293     if (!validate_indices(s, 25, 26)) return FALSE;
 294     id->Data4[2] = hex2bin[s[25]] << 4 | hex2bin[s[26]];
 295     if (!validate_indices(s, 27, 28)) return FALSE;
 296     id->Data4[3] = hex2bin[s[27]] << 4 | hex2bin[s[28]];
 297     if (!validate_indices(s, 29, 30)) return FALSE;
 298     id->Data4[4] = hex2bin[s[29]] << 4 | hex2bin[s[30]];
 299     if (!validate_indices(s, 31, 32)) return FALSE;
 300     id->Data4[5] = hex2bin[s[31]] << 4 | hex2bin[s[32]];
 301     if (!validate_indices(s, 33, 34)) return FALSE;
 302     id->Data4[6] = hex2bin[s[33]] << 4 | hex2bin[s[34]];
 303     if (!validate_indices(s, 35, 37)) return FALSE;
 304     id->Data4[7] = hex2bin[s[35]] << 4 | hex2bin[s[36]];
 305
 306     return TRUE;
 307 }
 308
 309 HRESULT WINAPI PSPropertyKeyFromString(LPCWSTR pszString, PROPERTYKEY *pkey)
 310 {
 311     BOOL has_minus = FALSE, has_comma = FALSE;
 312
 313     TRACE("(%s, %p)\n", debugstr_w(pszString), pkey);
 314
 315     if (!pszString || !pkey)
 316         return E_POINTER;
 317
 318     memset(pkey, 0, sizeof(PROPERTYKEY));
 319
 320     if (!string_to_guid(pszString, &pkey->fmtid))
 321         return E_INVALIDARG;
 322
 323     pszString += GUIDSTRING_MAX - 1;
 324
 325     if (!*pszString)
 326         return E_INVALIDARG;
 327
 328     /* Only the space seems to be recognized as whitespace. The comma is only
 329      * recognized once and processing terminates if another comma is found. */
 330     while (*pszString == ' ' || *pszString == ',')
 331     {
 332         if (*pszString == ',')
 333         {
 334             if (has_comma)
 335                 return S_OK;
 336             else
 337                 has_comma = TRUE;
 338         }
 339         pszString++;
 340     }
 341
 342     if (!*pszString)
 343         return E_INVALIDARG;
 344
 345     /* Only two minus signs are recognized if no comma is detected. The first
 346      * sign is ignored, and the second is interpreted. If a comma is detected
 347      * before the minus sign, then only one minus sign counts, and property ID
 348      * interpretation begins with the next character. */
 349     if (has_comma)
 350     {
 351         if (*pszString == '-')
 352         {
 353             has_minus = TRUE;
 354             pszString++;
 355         }
 356     }
 357     else
 358     {
 359         if (*pszString == '-')
 360             pszString++;
 361
 362         /* Skip any intermediate spaces after the first minus sign. */
 363         while (*pszString == ' ')
 364             pszString++;
 365
 366         if (*pszString == '-')
 367         {
 368             has_minus = TRUE;
 369             pszString++;
 370         }
 371
 372         /* Skip any remaining spaces after minus sign. */
 373         while (*pszString == ' ')
 374             pszString++;
 375     }
 376
 377     /* Overflow is not checked. */
 378     while (isdigitW(*pszString))
 379     {
 380         pkey->pid *= 10;
 381         pkey->pid += (*pszString - '0');
 382         pszString++;
 383     }
 384
 385     if (has_minus)
 386         pkey->pid = ~pkey->pid + 1;
 387
 388     return S_OK;
 389 }