dlls/setupapi/setupcab.c

   1 /*
   2  * Setupapi cabinet routines
   3  *
   4  * Copyright 2003 Gregory M. Turner
   5  *
   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.
  10  *
  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.
  15  *
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *
  21  * Many useful traces are commented in code, uncomment them if you have
  22  * trouble and run with WINEDEBUG=+setupapi
  23  *
  24  */
  25
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #include "wine/debug.h"
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "wingdi.h"
  34 #include "winuser.h"
  35 #include "winnls.h"
  36 #include "winreg.h"
  37 #include "setupapi.h"
  38 #include "setupapi_private.h"
  39 #include "fdi.h"
  40 #include "wine/unicode.h"
  41
  42 #include "msvcrt/fcntl.h"
  43 #include "msvcrt/share.h"
  44
  45 #include "wine/debug.h"
  46
  47 OSVERSIONINFOW OsVersionInfo;
  48
  49 static HINSTANCE CABINET_hInstance = 0;
  50
  51 static HFDI (__cdecl *sc_FDICreate)(PFNALLOC, PFNFREE, PFNOPEN,
  52                 PFNREAD, PFNWRITE, PFNCLOSE, PFNSEEK, int, PERF);
  53
  54 static BOOL (__cdecl *sc_FDICopy)(HFDI, char *, char *, int,
  55                 PFNFDINOTIFY, PFNFDIDECRYPT, void *);
  56
  57 static BOOL (__cdecl *sc_FDIDestroy)(HFDI);
  58
  59 #define SC_HSC_A_MAGIC 0xACABFEED
  60 typedef struct {
  61   UINT magic;
  62   HFDI hfdi;
  63   PSP_FILE_CALLBACK_A msghandler;
  64   PVOID context;
  65   CHAR most_recent_cabinet_name[MAX_PATH];
  66 } SC_HSC_A, *PSC_HSC_A;
  67
  68 #define SC_HSC_W_MAGIC 0x0CABFEED
  69 typedef struct {
  70   UINT magic;
  71   HFDI hfdi;
  72   PSP_FILE_CALLBACK_W msghandler;
  73   PVOID context;
  74   WCHAR most_recent_cabinet_name[MAX_PATH];
  75 } SC_HSC_W, *PSC_HSC_W;
  76
  77 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  78
  79 static BOOL LoadCABINETDll(void)
  80 {
  81   if (!CABINET_hInstance) {
  82     CABINET_hInstance = LoadLibraryA("cabinet.dll");
  83     if (CABINET_hInstance)  {
  84       sc_FDICreate = (void *)GetProcAddress(CABINET_hInstance, "FDICreate");
  85       sc_FDICopy = (void *)GetProcAddress(CABINET_hInstance, "FDICopy");
  86       sc_FDIDestroy = (void *)GetProcAddress(CABINET_hInstance, "FDIDestroy");
  87       return TRUE;
  88     } else {
  89       ERR("load cabinet dll failed.\n");
  90       return FALSE;
  91     }
  92   } else
  93     return TRUE;
  94 }
  95
  96 static void UnloadCABINETDll(void)
  97 {
  98   if (CABINET_hInstance) {
  99     FreeLibrary(CABINET_hInstance);
 100     CABINET_hInstance = 0;
 101   }
 102 }
 103
 104 /* FDICreate callbacks */
 105
 106 static void *sc_cb_alloc(ULONG cb)
 107 {
 108   return malloc(cb);
 109 }
 110
 111 static void sc_cb_free(void *pv)
 112 {
 113   free(pv);
 114 }
 115
 116 static INT_PTR sc_cb_open(char *pszFile, int oflag, int pmode)
 117 {
 118   DWORD creation = 0, sharing = 0;
 119   int ioflag = 0;
 120   INT_PTR ret = 0;
 121   SECURITY_ATTRIBUTES sa;
 122
 123   /* TRACE("(pszFile == %s, oflag == %d, pmode == %d)\n", debugstr_a(pszFile), oflag, pmode); */
 124
 125   switch(oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) {
 126   case _O_RDONLY:
 127     ioflag |= GENERIC_READ;
 128     break;
 129   case _O_WRONLY:
 130     ioflag |= GENERIC_WRITE;
 131     break;
 132   case _O_RDWR:
 133     ioflag |= GENERIC_READ & GENERIC_WRITE;
 134     break;
 135   case _O_WRONLY | _O_RDWR: /* hmmm.. */
 136     ERR("_O_WRONLY & _O_RDWR in oflag?\n");
 137     return -1;
 138   }
 139
 140   if (oflag & _O_CREAT) {
 141     if (oflag & _O_EXCL)
 142       creation = CREATE_NEW;
 143     else if (oflag & _O_TRUNC)
 144       creation = CREATE_ALWAYS;
 145     else
 146       creation = OPEN_ALWAYS;
 147   } else  /* no _O_CREAT */ {
 148     if (oflag & _O_TRUNC)
 149       creation = TRUNCATE_EXISTING;
 150     else
 151       creation = OPEN_EXISTING;
 152   }
 153
 154   switch( pmode & 0x70 ) {
 155     case _SH_DENYRW:
 156       sharing = 0L;
 157       break;
 158     case _SH_DENYWR:
 159       sharing = FILE_SHARE_READ;
 160       break;
 161     case _SH_DENYRD:
 162       sharing = FILE_SHARE_WRITE;
 163       break;
 164     case _SH_COMPAT:
 165     case _SH_DENYNO:
 166       sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
 167       break;
 168     default:
 169       ERR("<-- -1 (Unhandled pmode 0x%x)\n", pmode);
 170       return -1;
 171   }
 172
 173   if (oflag & ~(_O_BINARY | _O_TRUNC | _O_EXCL | _O_CREAT | _O_RDWR | _O_WRONLY | _O_NOINHERIT))
 174     WARN("unsupported oflag 0x%04x\n",oflag);
 175
 176   sa.nLength              = sizeof( SECURITY_ATTRIBUTES );
 177   sa.lpSecurityDescriptor = NULL;
 178   sa.bInheritHandle       = (ioflag & _O_NOINHERIT) ? FALSE : TRUE;
 179
 180   ret = (INT_PTR) CreateFileA(pszFile, ioflag, sharing, &sa, creation, FILE_ATTRIBUTE_NORMAL, NULL);
 181
 182   /* TRACE("<-- %d\n", ret); */
 183
 184   return ret;
 185 }
 186
 187 static UINT sc_cb_read(INT_PTR hf, void *pv, UINT cb)
 188 {
 189   DWORD num_read;
 190   BOOL rslt;
 191
 192   /* TRACE("(hf == %d, pv == ^%p, cb == %u)\n", hf, pv, cb); */
 193
 194   rslt = ReadFile((HANDLE) hf, pv, cb, &num_read, NULL);
 195
 196
 197   /* eof and failure both give "-1" return */
 198   if ((! rslt) || ((cb > 0) && (num_read == 0))) {
 199     /* TRACE("<-- -1\n"); */
 200     return -1;
 201   }
 202
 203   /* TRACE("<-- %lu\n", num_read); */
 204   return num_read;
 205 }
 206
 207 static UINT sc_cb_write(INT_PTR hf, void *pv, UINT cb)
 208 {
 209   DWORD num_written;
 210   /* BOOL rv; */
 211
 212   /* TRACE("(hf == %d, pv == ^%p, cb == %u)\n", hf, pv, cb); */
 213
 214   if ( /* (rv = */ WriteFile((HANDLE) hf, pv, cb, &num_written, NULL) /* ) */
 215        && (num_written == cb)) {
 216     /* TRACE("<-- %lu\n", num_written); */
 217     return num_written;
 218   } else {
 219     /* TRACE("rv == %d, num_written == %lu, cb == %u\n", rv, num_written,cb); */
 220     /* TRACE("<-- -1\n"); */
 221     return -1;
 222   }
 223 }
 224
 225 static int sc_cb_close(INT_PTR hf)
 226 {
 227   /* TRACE("(hf == %d)\n", hf); */
 228
 229   if (CloseHandle((HANDLE) hf))
 230     return 0;
 231   else
 232     return -1;
 233 }
 234
 235 static long sc_cb_lseek(INT_PTR hf, long dist, int seektype)
 236 {
 237   DWORD ret;
 238
 239   /* TRACE("(hf == %d, dist == %ld, seektype == %d)\n", hf, dist, seektype); */
 240
 241   if (seektype < 0 || seektype > 2)
 242     return -1;
 243
 244   if (((ret = SetFilePointer((HANDLE) hf, dist, NULL, seektype)) != INVALID_SET_FILE_POINTER) || !GetLastError()) {
 245     /* TRACE("<-- %lu\n", ret); */
 246     return ret;
 247   } else {
 248     /* TRACE("<-- -1\n"); */
 249     return -1;
 250   }
 251 }
 252
 253 #define SIZEOF_MYSTERIO (MAX_PATH*3)
 254
 255 /* FDICopy callbacks */
 256
 257 static INT_PTR sc_FNNOTIFY_A(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 258 {
 259   FILE_IN_CABINET_INFO_A fici;
 260   PSC_HSC_A phsc;
 261   CABINET_INFO_A ci;
 262   FILEPATHS_A fp;
 263   UINT err;
 264
 265   CHAR mysterio[SIZEOF_MYSTERIO]; /* how big? undocumented! probably 256... */
 266
 267   memset(&(mysterio[0]), 0, SIZEOF_MYSTERIO);
 268
 269   TRACE("(fdint == %d, pfdin == ^%p)\n", fdint, pfdin);
 270
 271   if (pfdin && pfdin->pv && (*((void **) pfdin->pv) == (void *)SC_HSC_A_MAGIC))
 272     phsc = (PSC_HSC_A) pfdin->pv;
 273   else {
 274     ERR("pv %p is not an SC_HSC_A.\n", (pfdin) ? pfdin->pv : NULL);
 275     return -1;
 276   }
 277
 278   switch (fdint) {
 279   case fdintCABINET_INFO:
 280     TRACE("Cabinet info notification\n");
 281     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 282     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 283     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 284     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 285     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 286     WARN("SPFILENOTIFY_CABINETINFO undocumented: guess implementation.\n");
 287     ci.CabinetFile = &(phsc->most_recent_cabinet_name[0]);
 288     ci.CabinetPath = pfdin->psz3;
 289     ci.DiskName = pfdin->psz2;
 290     ci.SetId = pfdin->setID;
 291     ci.CabinetNumber = pfdin->iCabinet;
 292     phsc->msghandler(phsc->context, SPFILENOTIFY_CABINETINFO, (UINT) &ci, 0);
 293     return 0;
 294   case fdintPARTIAL_FILE:
 295     TRACE("Partial file notification\n");
 296     /* TRACE("  Partial file name: %s\n", debugstr_a(pfdin->psz1)); */
 297     return 0;
 298   case fdintCOPY_FILE:
 299     TRACE("Copy file notification\n");
 300     TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 301     /* TRACE("  File size: %ld\n", pfdin->cb);
 302     TRACE("  File date: %u\n", pfdin->date);
 303     TRACE("  File time: %u\n", pfdin->time);
 304     TRACE("  File attr: %u\n", pfdin->attribs); */
 305     fici.NameInCabinet = pfdin->psz1;
 306     fici.FileSize = pfdin->cb;
 307     fici.Win32Error = 0;
 308     fici.DosDate = pfdin->date;
 309     fici.DosTime = pfdin->time;
 310     fici.DosAttribs = pfdin->attribs;
 311     memset(&(fici.FullTargetName[0]), 0, MAX_PATH);
 312     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEINCABINET,
 313                            (UINT) &fici, (UINT) pfdin->psz1);
 314     if (err == FILEOP_DOIT) {
 315       TRACE("  Callback specified filename: %s\n", debugstr_a(&(fici.FullTargetName[0])));
 316       if (!fici.FullTargetName[0]) {
 317         WARN("  Empty return string causing abort.\n");
 318         SetLastError(ERROR_PATH_NOT_FOUND);
 319         return -1;
 320       }
 321       return sc_cb_open(&(fici.FullTargetName[0]), _O_BINARY | _O_CREAT | _O_WRONLY,  _S_IREAD | _S_IWRITE);
 322     } else {
 323       TRACE("  Callback skipped file.\n");
 324       return 0;
 325     }
 326   case fdintCLOSE_FILE_INFO:
 327     TRACE("Close file notification\n");
 328     /* TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 329     TRACE("  Exec file? %s\n", (pfdin->cb) ? "Yes" : "No");
 330     TRACE("  File hndl: %d\n", pfdin->hf); */
 331     fp.Source = &(phsc->most_recent_cabinet_name[0]);
 332     fp.Target = pfdin->psz1;
 333     fp.Win32Error = 0;
 334     fp.Flags = 0;
 335     /* the following should be a fixme -- but it occurs too many times */
 336     WARN("Should set file date/time/attribs (and execute files?)\n");
 337     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEEXTRACTED, (UINT) &fp, 0);
 338     if (sc_cb_close(pfdin->hf))
 339       WARN("_close failed.\n");
 340     if (err) {
 341       SetLastError(err);
 342       return FALSE;
 343     } else
 344       return TRUE;
 345   case fdintNEXT_CABINET:
 346     TRACE("Next cabinet notification\n");
 347     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 348     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 349     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 350     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 351     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 352     ci.CabinetFile = pfdin->psz1;
 353     ci.CabinetPath = pfdin->psz3;
 354     ci.DiskName = pfdin->psz2;
 355     ci.SetId = pfdin->setID;
 356     ci.CabinetNumber = pfdin->iCabinet;
 357     /* remember the new cabinet name */
 358     strcpy(&(phsc->most_recent_cabinet_name[0]), pfdin->psz1);
 359     err = phsc->msghandler(phsc->context, SPFILENOTIFY_NEEDNEWCABINET, (UINT) &ci, (UINT) &(mysterio[0]));
 360     if (err) {
 361       SetLastError(err);
 362       return -1;
 363     } else {
 364       if (mysterio[0]) {
 365         /* some easy paranoia.  no such carefulness exists on the wide API IIRC */
 366         lstrcpynA(pfdin->psz3, &(mysterio[0]), SIZEOF_MYSTERIO);
 367       }
 368       return 0;
 369     }
 370   default:
 371     FIXME("Unknown notification type %d.\n", fdint);
 372     return 0;
 373   }
 374 }
 375
 376 static INT_PTR sc_FNNOTIFY_W(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
 377 {
 378   FILE_IN_CABINET_INFO_W fici;
 379   PSC_HSC_W phsc;
 380   CABINET_INFO_W ci;
 381   FILEPATHS_W fp;
 382   UINT err;
 383   int len;
 384
 385   WCHAR mysterio[SIZEOF_MYSTERIO]; /* how big? undocumented! */
 386   WCHAR buf[MAX_PATH], buf2[MAX_PATH];
 387   CHAR charbuf[MAX_PATH];
 388
 389   memset(&(mysterio[0]), 0, SIZEOF_MYSTERIO * sizeof(WCHAR));
 390   memset(&(buf[0]), 0, MAX_PATH * sizeof(WCHAR));
 391   memset(&(buf2[0]), 0, MAX_PATH * sizeof(WCHAR));
 392   memset(&(charbuf[0]), 0, MAX_PATH);
 393
 394   TRACE("(fdint == %d, pfdin == ^%p)\n", fdint, pfdin);
 395
 396   if (pfdin && pfdin->pv && (*((void **) pfdin->pv) == (void *)SC_HSC_W_MAGIC))
 397     phsc = (PSC_HSC_W) pfdin->pv;
 398   else {
 399     ERR("pv %p is not an SC_HSC_W.\n", (pfdin) ? pfdin->pv : NULL);
 400     return -1;
 401   }
 402
 403   switch (fdint) {
 404   case fdintCABINET_INFO:
 405     TRACE("Cabinet info notification\n");
 406     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 407     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 408     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 409     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 410     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 411     WARN("SPFILENOTIFY_CABINETINFO undocumented: guess implementation.\n");
 412     ci.CabinetFile = &(phsc->most_recent_cabinet_name[0]);
 413     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz3, -1, &(buf[0]), MAX_PATH);
 414     if ((len > MAX_PATH) || (len <= 1))
 415       buf[0] = '\0';
 416     ci.CabinetPath = &(buf[0]);
 417     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz2, -1, &(buf2[0]), MAX_PATH);
 418     if ((len > MAX_PATH) || (len <= 1))
 419       buf2[0] = '\0';
 420     ci.DiskName = &(buf2[0]);
 421     ci.SetId = pfdin->setID;
 422     ci.CabinetNumber = pfdin->iCabinet;
 423     phsc->msghandler(phsc->context, SPFILENOTIFY_CABINETINFO, (UINT) &ci, 0);
 424     return 0;
 425   case fdintPARTIAL_FILE:
 426     TRACE("Partial file notification\n");
 427     /* TRACE("  Partial file name: %s\n", debugstr_a(pfdin->psz1)); */
 428     return 0;
 429   case fdintCOPY_FILE:
 430     TRACE("Copy file notification\n");
 431     TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 432     /* TRACE("  File size: %ld\n", pfdin->cb);
 433     TRACE("  File date: %u\n", pfdin->date);
 434     TRACE("  File time: %u\n", pfdin->time);
 435     TRACE("  File attr: %u\n", pfdin->attribs); */
 436     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz1, -1, &(buf2[0]), MAX_PATH);
 437     if ((len > MAX_PATH) || (len <= 1))
 438       buf2[0] = '\0';
 439     fici.NameInCabinet = &(buf2[0]);
 440     fici.FileSize = pfdin->cb;
 441     fici.Win32Error = 0;
 442     fici.DosDate = pfdin->date;
 443     fici.DosTime = pfdin->time;
 444     fici.DosAttribs = pfdin->attribs;
 445     memset(&(fici.FullTargetName[0]), 0, MAX_PATH * sizeof(WCHAR));
 446     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEINCABINET,
 447                            (UINT) &fici, (UINT) pfdin->psz1);
 448     if (err == FILEOP_DOIT) {
 449       TRACE("  Callback specified filename: %s\n", debugstr_w(&(fici.FullTargetName[0])));
 450       if (fici.FullTargetName[0]) {
 451         len = strlenW(&(fici.FullTargetName[0])) + 1;
 452         if ((len > MAX_PATH ) || (len <= 1))
 453           return 0;
 454         if (!WideCharToMultiByte(CP_ACP, 0, &(fici.FullTargetName[0]), len, &(charbuf[0]), MAX_PATH, 0, 0))
 455           return 0;
 456       } else {
 457         WARN("Empty buffer string caused abort.\n");
 458         SetLastError(ERROR_PATH_NOT_FOUND);
 459         return -1;
 460       }
 461       return sc_cb_open(&(charbuf[0]), _O_BINARY | _O_CREAT | _O_WRONLY,  _S_IREAD | _S_IWRITE);
 462     } else {
 463       TRACE("  Callback skipped file.\n");
 464       return 0;
 465     }
 466   case fdintCLOSE_FILE_INFO:
 467     TRACE("Close file notification\n");
 468     /* TRACE("  File name: %s\n", debugstr_a(pfdin->psz1));
 469     TRACE("  Exec file? %s\n", (pfdin->cb) ? "Yes" : "No");
 470     TRACE("  File hndl: %d\n", pfdin->hf); */
 471     fp.Source = &(phsc->most_recent_cabinet_name[0]);
 472     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz1, -1, &(buf[0]), MAX_PATH);
 473     if ((len > MAX_PATH) || (len <= 1))
 474       buf[0] = '\0';
 475     fp.Target = &(buf[0]);
 476     fp.Win32Error = 0;
 477     fp.Flags = 0;
 478     /* a valid fixme -- but occurs too many times */
 479     /* FIXME("Should set file date/time/attribs (and execute files?)\n"); */
 480     err = phsc->msghandler(phsc->context, SPFILENOTIFY_FILEEXTRACTED, (UINT) &fp, 0);
 481     if (sc_cb_close(pfdin->hf))
 482       WARN("_close failed.\n");
 483     if (err) {
 484       SetLastError(err);
 485       return FALSE;
 486     } else
 487       return TRUE;
 488   case fdintNEXT_CABINET:
 489     TRACE("Next cabinet notification\n");
 490     /* TRACE("  Cabinet name: %s\n", debugstr_a(pfdin->psz1));
 491     TRACE("  Cabinet disk: %s\n", debugstr_a(pfdin->psz2));
 492     TRACE("  Cabinet path: %s\n", debugstr_a(pfdin->psz3));
 493     TRACE("  Cabinet Set#: %d\n", pfdin->setID);
 494     TRACE("  Cabinet Cab#: %d\n", pfdin->iCabinet); */
 495     /* remember the new cabinet name */
 496     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz1, -1, &(phsc->most_recent_cabinet_name[0]), MAX_PATH);
 497     if ((len > MAX_PATH) || (len <= 1))
 498       phsc->most_recent_cabinet_name[0] = '\0';
 499     ci.CabinetFile = &(phsc->most_recent_cabinet_name[0]);
 500     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz3, -1, &(buf[0]), MAX_PATH);
 501     if ((len > MAX_PATH) || (len <= 1))
 502       buf[0] = '\0';
 503     ci.CabinetPath = &(buf[0]);
 504     len = 1 + MultiByteToWideChar(CP_ACP, 0, pfdin->psz2, -1, &(buf2[0]), MAX_PATH);
 505     if ((len > MAX_PATH) || (len <= 1))
 506       buf2[0] = '\0';
 507     ci.DiskName = &(buf2[0]);
 508     ci.SetId = pfdin->setID;
 509     ci.CabinetNumber = pfdin->iCabinet;
 510     err = phsc->msghandler(phsc->context, SPFILENOTIFY_NEEDNEWCABINET, (UINT) &ci, (UINT) &(mysterio[0]));
 511     if (err) {
 512       SetLastError(err);
 513       return -1;
 514     } else {
 515       if (mysterio[0]) {
 516         len = strlenW(&(mysterio[0])) + 1;
 517         if ((len > 255) || (len <= 1))
 518           return 0;
 519         if (!WideCharToMultiByte(CP_ACP, 0, &(mysterio[0]), len, pfdin->psz3, 255, 0, 0))
 520           return 0;
 521       }
 522       return 0;
 523     }
 524   default:
 525     FIXME("Unknown notification type %d.\n", fdint);
 526     return 0;
 527   }
 528 }
 529
 530 /***********************************************************************
 531  *              SetupIterateCabinetA (SETUPAPI.@)
 532  */
 533 BOOL WINAPI SetupIterateCabinetA(PCSTR CabinetFile, DWORD Reserved,
 534                                  PSP_FILE_CALLBACK_A MsgHandler, PVOID Context)
 535 {
 536
 537   SC_HSC_A my_hsc;
 538   ERF erf;
 539   CHAR pszCabinet[MAX_PATH], pszCabPath[MAX_PATH], *p;
 540   DWORD fpnsize;
 541   BOOL ret;
 542
 543
 544   TRACE("(CabinetFile == %s, Reserved == %lu, MsgHandler == ^%p, Context == ^%p)\n",
 545         debugstr_a(CabinetFile), Reserved, MsgHandler, Context);
 546
 547   if (! LoadCABINETDll())
 548     return FALSE;
 549
 550   memset(&my_hsc, 0, sizeof(SC_HSC_A));
 551   pszCabinet[0] = '\0';
 552   pszCabPath[0] = '\0';
 553
 554   fpnsize = strlen(CabinetFile);
 555   if (fpnsize >= MAX_PATH) {
 556     SetLastError(ERROR_BAD_PATHNAME);
 557     return FALSE;
 558   }
 559
 560   fpnsize = GetFullPathNameA(CabinetFile, MAX_PATH, &(pszCabPath[0]), &p);
 561   if (fpnsize > MAX_PATH) {
 562     SetLastError(ERROR_BAD_PATHNAME);
 563     return FALSE;
 564   }
 565
 566   if (p) {
 567     strcpy(pszCabinet, p);
 568     *p = '\0';
 569   } else {
 570     strcpy(pszCabinet, CabinetFile);
 571     pszCabPath[0] = '\0';
 572   }
 573
 574   TRACE("path: %s, cabfile: %s\n", debugstr_a(pszCabPath), debugstr_a(pszCabinet));
 575
 576   /* remember the cabinet name */
 577   strcpy(&(my_hsc.most_recent_cabinet_name[0]), pszCabinet);
 578
 579   my_hsc.magic = SC_HSC_A_MAGIC;
 580   my_hsc.msghandler = MsgHandler;
 581   my_hsc.context = Context;
 582   my_hsc.hfdi = sc_FDICreate( sc_cb_alloc, sc_cb_free, sc_cb_open, sc_cb_read,
 583                            sc_cb_write, sc_cb_close, sc_cb_lseek, cpuUNKNOWN, &erf );
 584
 585   if (!my_hsc.hfdi) return FALSE;
 586
 587   ret = ( sc_FDICopy(my_hsc.hfdi, pszCabinet, pszCabPath,
 588                      0, sc_FNNOTIFY_A, NULL, &my_hsc)     ) ? TRUE : FALSE;
 589
 590   sc_FDIDestroy(my_hsc.hfdi);
 591   return ret;
 592 }
 593
 594
 595 /***********************************************************************
 596  *              SetupIterateCabinetW (SETUPAPI.@)
 597  */
 598 BOOL WINAPI SetupIterateCabinetW(PCWSTR CabinetFile, DWORD Reserved,
 599                                  PSP_FILE_CALLBACK_W MsgHandler, PVOID Context)
 600 {
 601   CHAR pszCabinet[MAX_PATH], pszCabPath[MAX_PATH];
 602   UINT len;
 603   SC_HSC_W my_hsc;
 604   ERF erf;
 605   WCHAR pszCabPathW[MAX_PATH], *p;
 606   DWORD fpnsize;
 607   BOOL ret;
 608
 609   TRACE("(CabinetFile == %s, Reserved == %lu, MsgHandler == ^%p, Context == ^%p)\n",
 610         debugstr_w(CabinetFile), Reserved, MsgHandler, Context);
 611
 612   if (!LoadCABINETDll())
 613     return FALSE;
 614
 615   if (!CabinetFile) return FALSE;
 616
 617   memset(&my_hsc, 0, sizeof(SC_HSC_W));
 618
 619   fpnsize = GetFullPathNameW(CabinetFile, MAX_PATH, pszCabPathW, &p);
 620   if (fpnsize > MAX_PATH) {
 621     SetLastError(ERROR_BAD_PATHNAME);
 622     return FALSE;
 623   }
 624
 625   if (p) {
 626     strcpyW(my_hsc.most_recent_cabinet_name, p);
 627     *p = 0;
 628     len = WideCharToMultiByte(CP_ACP, 0, pszCabPathW, -1, pszCabPath,
 629                                 MAX_PATH, 0, 0);
 630     if (!len) return FALSE;
 631   } else {
 632     strcpyW(my_hsc.most_recent_cabinet_name, CabinetFile);
 633     pszCabPath[0] = '\0';
 634   }
 635
 636   len = WideCharToMultiByte(CP_ACP, 0, my_hsc.most_recent_cabinet_name, -1,
 637                                 pszCabinet, MAX_PATH, 0, 0);
 638   if (!len) return FALSE;
 639
 640   TRACE("path: %s, cabfile: %s\n",
 641         debugstr_a(pszCabPath), debugstr_a(pszCabinet));
 642
 643   my_hsc.magic = SC_HSC_W_MAGIC;
 644   my_hsc.msghandler = MsgHandler;
 645   my_hsc.context = Context;
 646   my_hsc.hfdi = sc_FDICreate( sc_cb_alloc, sc_cb_free, sc_cb_open, sc_cb_read,
 647                               sc_cb_write, sc_cb_close, sc_cb_lseek, cpuUNKNOWN, &erf );
 648
 649   if (!my_hsc.hfdi) return FALSE;
 650
 651   ret = ( sc_FDICopy(my_hsc.hfdi, pszCabinet, pszCabPath,
 652                      0, sc_FNNOTIFY_W, NULL, &my_hsc)     ) ? TRUE : FALSE;
 653
 654   sc_FDIDestroy(my_hsc.hfdi);
 655   return ret;
 656 }
 657
 658
 659 /***********************************************************************
 660  * DllMain
 661  *
 662  * PARAMS
 663  *     hinstDLL    [I] handle to the DLL's instance
 664  *     fdwReason   [I]
 665  *     lpvReserved [I] reserved, must be NULL
 666  *
 667  * RETURNS
 668  *     Success: TRUE
 669  *     Failure: FALSE
 670  */
 671
 672 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 673 {
 674     switch (fdwReason) {
 675     case DLL_PROCESS_ATTACH:
 676         DisableThreadLibraryCalls(hinstDLL);
 677         OsVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
 678         if (!GetVersionExW(&OsVersionInfo))
 679             return FALSE;
 680         break;
 681     case DLL_PROCESS_DETACH:
 682         UnloadCABINETDll();
 683         break;
 684     }
 685
 686     return TRUE;
 687 }