dlls/msi/appsearch.c

   1 /*
   2  * Implementation of the AppSearch action of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Juan Lang
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #include <stdarg.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "msi.h"
  28 #include "msiquery.h"
  29 #include "msidefs.h"
  30 #include "winver.h"
  31 #include "shlwapi.h"
  32 #include "wine/unicode.h"
  33 #include "wine/debug.h"
  34 #include "msipriv.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  37
  38 typedef struct tagMSISIGNATURE
  39 {
  40     LPCWSTR  Name;     /* NOT owned by this structure */
  41     LPWSTR   File;
  42     DWORD    MinVersionMS;
  43     DWORD    MinVersionLS;
  44     DWORD    MaxVersionMS;
  45     DWORD    MaxVersionLS;
  46     DWORD    MinSize;
  47     DWORD    MaxSize;
  48     FILETIME MinTime;
  49     FILETIME MaxTime;
  50     LPWSTR   Languages;
  51 }MSISIGNATURE;
  52
  53 static void ACTION_VerStrToInteger(LPCWSTR verStr, PDWORD ms, PDWORD ls)
  54 {
  55     const WCHAR *ptr;
  56     int x1 = 0, x2 = 0, x3 = 0, x4 = 0;
  57
  58     x1 = atoiW(verStr);
  59     ptr = strchrW(verStr, '.');
  60     if (ptr)
  61     {
  62         x2 = atoiW(ptr + 1);
  63         ptr = strchrW(ptr + 1, '.');
  64     }
  65     if (ptr)
  66     {
  67         x3 = atoiW(ptr + 1);
  68         ptr = strchrW(ptr + 1, '.');
  69     }
  70     if (ptr)
  71         x4 = atoiW(ptr + 1);
  72     /* FIXME: byte-order dependent? */
  73     *ms = x1 << 16 | x2;
  74     *ls = x3 << 16 | x4;
  75 }
  76
  77 /* Fills in sig with the values from the Signature table, where name is the
  78  * signature to find.  Upon return, sig->File will be NULL if the record is not
  79  * found, and not NULL if it is found.
  80  * Warning: clears all fields in sig!
  81  * Returns ERROR_SUCCESS upon success (where not finding the record counts as
  82  * success), something else on error.
  83  */
  84 static UINT ACTION_AppSearchGetSignature(MSIPACKAGE *package, MSISIGNATURE *sig, LPCWSTR name)
  85 {
  86     static const WCHAR query[] = {
  87         's','e','l','e','c','t',' ','*',' ',
  88         'f','r','o','m',' ',
  89         'S','i','g','n','a','t','u','r','e',' ',
  90         'w','h','e','r','e',' ','S','i','g','n','a','t','u','r','e',' ','=',' ',
  91         '\'','%','s','\'',0};
  92     LPWSTR minVersion, maxVersion;
  93     MSIRECORD *row;
  94     DWORD time;
  95
  96     TRACE("package %p, sig %p\n", package, sig);
  97
  98     memset(sig, 0, sizeof(*sig));
  99     sig->Name = name;
 100     row = MSI_QueryGetRecord( package->db, query, name );
 101     if (!row)
 102     {
 103         TRACE("failed to query signature for %s\n", debugstr_w(name));
 104         return ERROR_SUCCESS;
 105     }
 106
 107     /* get properties */
 108     sig->File = msi_dup_record_field(row,2);
 109     minVersion = msi_dup_record_field(row,3);
 110     if (minVersion)
 111     {
 112         ACTION_VerStrToInteger(minVersion, &sig->MinVersionMS, &sig->MinVersionLS);
 113         msi_free( minVersion );
 114     }
 115     maxVersion = msi_dup_record_field(row,4);
 116     if (maxVersion)
 117     {
 118         ACTION_VerStrToInteger(maxVersion, &sig->MaxVersionMS, &sig->MaxVersionLS);
 119         msi_free( maxVersion );
 120     }
 121     sig->MinSize = MSI_RecordGetInteger(row,5);
 122     if (sig->MinSize == MSI_NULL_INTEGER)
 123         sig->MinSize = 0;
 124     sig->MaxSize = MSI_RecordGetInteger(row,6);
 125     if (sig->MaxSize == MSI_NULL_INTEGER)
 126         sig->MaxSize = 0;
 127     sig->Languages = msi_dup_record_field(row,9);
 128     time = MSI_RecordGetInteger(row,7);
 129     if (time != MSI_NULL_INTEGER)
 130         DosDateTimeToFileTime(HIWORD(time), LOWORD(time), &sig->MinTime);
 131     time = MSI_RecordGetInteger(row,8);
 132     if (time != MSI_NULL_INTEGER)
 133         DosDateTimeToFileTime(HIWORD(time), LOWORD(time), &sig->MaxTime);
 134
 135     TRACE("Found file name %s for Signature_ %s;\n",
 136           debugstr_w(sig->File), debugstr_w(name));
 137     TRACE("MinVersion is %d.%d.%d.%d\n", HIWORD(sig->MinVersionMS),
 138           LOWORD(sig->MinVersionMS), HIWORD(sig->MinVersionLS),
 139           LOWORD(sig->MinVersionLS));
 140     TRACE("MaxVersion is %d.%d.%d.%d\n", HIWORD(sig->MaxVersionMS),
 141           LOWORD(sig->MaxVersionMS), HIWORD(sig->MaxVersionLS),
 142           LOWORD(sig->MaxVersionLS));
 143     TRACE("MinSize is %d, MaxSize is %d;\n", sig->MinSize, sig->MaxSize);
 144     TRACE("Languages is %s\n", debugstr_w(sig->Languages));
 145
 146     msiobj_release( &row->hdr );
 147
 148     return ERROR_SUCCESS;
 149 }
 150
 151 /* Frees any memory allocated in sig */
 152 static void ACTION_FreeSignature(MSISIGNATURE *sig)
 153 {
 154     msi_free(sig->File);
 155     msi_free(sig->Languages);
 156 }
 157
 158 static LPWSTR app_search_file(LPWSTR path, MSISIGNATURE *sig)
 159 {
 160     VS_FIXEDFILEINFO *info;
 161     DWORD attr, handle, size;
 162     LPWSTR val = NULL;
 163     LPBYTE buffer;
 164
 165     static const WCHAR root[] = {'\\',0};
 166
 167     if (!sig->File)
 168     {
 169         PathRemoveFileSpecW(path);
 170         PathAddBackslashW(path);
 171
 172         attr = GetFileAttributesW(path);
 173         if (attr != INVALID_FILE_ATTRIBUTES &&
 174             (attr & FILE_ATTRIBUTE_DIRECTORY))
 175             return strdupW(path);
 176
 177         return NULL;
 178     }
 179
 180     attr = GetFileAttributesW(path);
 181     if (attr == INVALID_FILE_ATTRIBUTES || attr == FILE_ATTRIBUTE_DIRECTORY)
 182         return NULL;
 183
 184     size = GetFileVersionInfoSizeW(path, &handle);
 185     if (!size)
 186         return strdupW(path);
 187
 188     buffer = msi_alloc(size);
 189     if (!buffer)
 190         return NULL;
 191
 192     if (!GetFileVersionInfoW(path, 0, size, buffer))
 193         goto done;
 194
 195     if (!VerQueryValueW(buffer, root, (LPVOID)&info, &size) || !info)
 196         goto done;
 197
 198     if (sig->MinVersionLS || sig->MinVersionMS)
 199     {
 200         if (info->dwFileVersionMS < sig->MinVersionMS)
 201             goto done;
 202
 203         if (info->dwFileVersionMS == sig->MinVersionMS &&
 204             info->dwFileVersionLS < sig->MinVersionLS)
 205             goto done;
 206     }
 207
 208     if (sig->MaxVersionLS || sig->MaxVersionMS)
 209     {
 210         if (info->dwFileVersionMS > sig->MaxVersionMS)
 211             goto done;
 212
 213         if (info->dwFileVersionMS == sig->MaxVersionMS &&
 214             info->dwFileVersionLS > sig->MaxVersionLS)
 215             goto done;
 216     }
 217
 218     val = strdupW(path);
 219
 220 done:
 221     msi_free(buffer);
 222     return val;
 223 }
 224
 225 static UINT ACTION_AppSearchComponents(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 226 {
 227     static const WCHAR query[] =  {
 228         'S','E','L','E','C','T',' ','*',' ',
 229         'F','R','O','M',' ',
 230         '`','C','o','m','p','L','o','c','a','t','o','r','`',' ',
 231         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','_','`',' ','=',' ',
 232         '\'','%','s','\'',0};
 233     static const WCHAR sigquery[] = {
 234         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 235         '`','S','i','g','n','a','t','u','r','e','`',' ',
 236         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','`',' ','=',' ',
 237         '\'','%','s','\'',0};
 238
 239     MSIRECORD *row, *rec;
 240     LPCWSTR signature, guid;
 241     BOOL sigpresent = TRUE;
 242     BOOL isdir;
 243     UINT type;
 244     WCHAR path[MAX_PATH];
 245     DWORD size = MAX_PATH;
 246     LPWSTR ptr;
 247     DWORD attr;
 248
 249     TRACE("%s\n", debugstr_w(sig->Name));
 250
 251     *appValue = NULL;
 252
 253     row = MSI_QueryGetRecord(package->db, query, sig->Name);
 254     if (!row)
 255     {
 256         TRACE("failed to query CompLocator for %s\n", debugstr_w(sig->Name));
 257         return ERROR_SUCCESS;
 258     }
 259
 260     signature = MSI_RecordGetString(row, 1);
 261     guid = MSI_RecordGetString(row, 2);
 262     type = MSI_RecordGetInteger(row, 3);
 263
 264     rec = MSI_QueryGetRecord(package->db, sigquery, signature);
 265     if (!rec)
 266         sigpresent = FALSE;
 267
 268     *path = '\0';
 269     MsiLocateComponentW(guid, path, &size);
 270     if (!*path)
 271         goto done;
 272
 273     attr = GetFileAttributesW(path);
 274     if (attr == INVALID_FILE_ATTRIBUTES)
 275         goto done;
 276
 277     isdir = (attr & FILE_ATTRIBUTE_DIRECTORY);
 278
 279     if (type != msidbLocatorTypeDirectory && sigpresent && !isdir)
 280     {
 281         *appValue = app_search_file(path, sig);
 282     }
 283     else if (!sigpresent && (type != msidbLocatorTypeDirectory || isdir))
 284     {
 285         if (type == msidbLocatorTypeFileName)
 286         {
 287             ptr = strrchrW(path, '\\');
 288             *(ptr + 1) = '\0';
 289         }
 290         else
 291             PathAddBackslashW(path);
 292
 293         *appValue = strdupW(path);
 294     }
 295     else if (sigpresent)
 296     {
 297         PathAddBackslashW(path);
 298         lstrcatW(path, MSI_RecordGetString(rec, 2));
 299
 300         attr = GetFileAttributesW(path);
 301         if (attr != INVALID_FILE_ATTRIBUTES && attr != FILE_ATTRIBUTE_DIRECTORY)
 302             *appValue = strdupW(path);
 303     }
 304
 305 done:
 306     if (rec) msiobj_release(&rec->hdr);
 307     msiobj_release(&row->hdr);
 308     return ERROR_SUCCESS;
 309 }
 310
 311 static void ACTION_ConvertRegValue(DWORD regType, const BYTE *value, DWORD sz,
 312  LPWSTR *appValue)
 313 {
 314     static const WCHAR dwordFmt[] = { '#','%','d','\0' };
 315     static const WCHAR binPre[] = { '#','x','\0' };
 316     static const WCHAR binFmt[] = { '%','0','2','X','\0' };
 317     LPWSTR ptr;
 318     DWORD i;
 319
 320     switch (regType)
 321     {
 322         case REG_SZ:
 323             if (*(LPCWSTR)value == '#')
 324             {
 325                 /* escape leading pound with another */
 326                 *appValue = msi_alloc(sz + sizeof(WCHAR));
 327                 (*appValue)[0] = '#';
 328                 strcpyW(*appValue + 1, (LPCWSTR)value);
 329             }
 330             else
 331             {
 332                 *appValue = msi_alloc(sz);
 333                 strcpyW(*appValue, (LPCWSTR)value);
 334             }
 335             break;
 336         case REG_DWORD:
 337             /* 7 chars for digits, 1 for NULL, 1 for #, and 1 for sign
 338              * char if needed
 339              */
 340             *appValue = msi_alloc(10 * sizeof(WCHAR));
 341             sprintfW(*appValue, dwordFmt, *(const DWORD *)value);
 342             break;
 343         case REG_EXPAND_SZ:
 344             sz = ExpandEnvironmentStringsW((LPCWSTR)value, NULL, 0);
 345             *appValue = msi_alloc(sz * sizeof(WCHAR));
 346             ExpandEnvironmentStringsW((LPCWSTR)value, *appValue, sz);
 347             break;
 348         case REG_BINARY:
 349             /* #x<nibbles>\0 */
 350             *appValue = msi_alloc((sz * 2 + 3) * sizeof(WCHAR));
 351             lstrcpyW(*appValue, binPre);
 352             ptr = *appValue + lstrlenW(binPre);
 353             for (i = 0; i < sz; i++, ptr += 2)
 354                 sprintfW(ptr, binFmt, value[i]);
 355             break;
 356         default:
 357             WARN("unimplemented for values of type %d\n", regType);
 358             *appValue = NULL;
 359     }
 360 }
 361
 362 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 363  LPCWSTR path, int depth, LPWSTR *appValue);
 364
 365 static UINT ACTION_AppSearchReg(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 366 {
 367     static const WCHAR query[] =  {
 368         's','e','l','e','c','t',' ','*',' ',
 369         'f','r','o','m',' ',
 370         'R','e','g','L','o','c','a','t','o','r',' ',
 371         'w','h','e','r','e',' ',
 372         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 373     LPWSTR keyPath = NULL, valueName = NULL;
 374     LPWSTR deformatted = NULL;
 375     int root, type;
 376     HKEY rootKey, key = NULL;
 377     DWORD sz = 0, regType;
 378     LPBYTE value = NULL;
 379     MSIRECORD *row;
 380     UINT rc;
 381
 382     TRACE("%s\n", debugstr_w(sig->Name));
 383
 384     *appValue = NULL;
 385
 386     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 387     if (!row)
 388     {
 389         TRACE("failed to query RegLocator for %s\n", debugstr_w(sig->Name));
 390         return ERROR_SUCCESS;
 391     }
 392
 393     root = MSI_RecordGetInteger(row,2);
 394     keyPath = msi_dup_record_field(row,3);
 395     valueName = msi_dup_record_field(row,4);
 396     type = MSI_RecordGetInteger(row,5);
 397
 398     deformat_string(package, keyPath, &deformatted);
 399
 400     switch (root)
 401     {
 402     case msidbRegistryRootClassesRoot:
 403         rootKey = HKEY_CLASSES_ROOT;
 404         break;
 405     case msidbRegistryRootCurrentUser:
 406         rootKey = HKEY_CURRENT_USER;
 407         break;
 408     case msidbRegistryRootLocalMachine:
 409         rootKey = HKEY_LOCAL_MACHINE;
 410         break;
 411     case msidbRegistryRootUsers:
 412         rootKey = HKEY_USERS;
 413         break;
 414     default:
 415         WARN("Unknown root key %d\n", root);
 416         goto end;
 417     }
 418
 419     rc = RegOpenKeyW(rootKey, deformatted, &key);
 420     if (rc)
 421     {
 422         TRACE("RegOpenKeyW returned %d\n", rc);
 423         goto end;
 424     }
 425
 426     rc = RegQueryValueExW(key, valueName, NULL, NULL, NULL, &sz);
 427     if (rc)
 428     {
 429         TRACE("RegQueryValueExW returned %d\n", rc);
 430         goto end;
 431     }
 432     /* FIXME: sanity-check sz before allocating (is there an upper-limit
 433      * on the value of a property?)
 434      */
 435     value = msi_alloc( sz );
 436     rc = RegQueryValueExW(key, valueName, NULL, &regType, value, &sz);
 437     if (rc)
 438     {
 439         TRACE("RegQueryValueExW returned %d\n", rc);
 440         goto end;
 441     }
 442
 443     /* bail out if the registry key is empty */
 444     if (sz == 0)
 445         goto end;
 446
 447     switch (type & 0x0f)
 448     {
 449     case msidbLocatorTypeDirectory:
 450         rc = ACTION_SearchDirectory(package, sig, (LPWSTR)value, 0, appValue);
 451         break;
 452     case msidbLocatorTypeFileName:
 453         *appValue = app_search_file((LPWSTR)value, sig);
 454         break;
 455     case msidbLocatorTypeRawValue:
 456         ACTION_ConvertRegValue(regType, value, sz, appValue);
 457         break;
 458     default:
 459         FIXME("AppSearch unimplemented for type %d (key path %s, value %s)\n",
 460               type, debugstr_w(keyPath), debugstr_w(valueName));
 461     }
 462 end:
 463     msi_free( value );
 464     RegCloseKey( key );
 465
 466     msi_free( keyPath );
 467     msi_free( valueName );
 468     msi_free( deformatted );
 469
 470     msiobj_release(&row->hdr);
 471
 472     return ERROR_SUCCESS;
 473 }
 474
 475 static LPWSTR get_ini_field(LPWSTR buf, int field)
 476 {
 477     LPWSTR beg, end;
 478     int i = 1;
 479
 480     if (field == 0)
 481         return strdupW(buf);
 482
 483     beg = buf;
 484     while ((end = strchrW(beg, ',')) && i < field)
 485     {
 486         beg = end + 1;
 487         while (*beg && *beg == ' ')
 488             beg++;
 489
 490         i++;
 491     }
 492
 493     end = strchrW(beg, ',');
 494     if (!end)
 495         end = beg + lstrlenW(beg);
 496
 497     *end = '\0';
 498     return strdupW(beg);
 499 }
 500
 501 static UINT ACTION_AppSearchIni(MSIPACKAGE *package, LPWSTR *appValue,
 502  MSISIGNATURE *sig)
 503 {
 504     static const WCHAR query[] =  {
 505         's','e','l','e','c','t',' ','*',' ',
 506         'f','r','o','m',' ',
 507         'I','n','i','L','o','c','a','t','o','r',' ',
 508         'w','h','e','r','e',' ',
 509         'S','i','g','n','a','t','u','r','e','_',' ','=',' ','\'','%','s','\'',0};
 510     MSIRECORD *row;
 511     LPWSTR fileName, section, key;
 512     int field, type;
 513     WCHAR buf[MAX_PATH];
 514
 515     TRACE("%s\n", debugstr_w(sig->Name));
 516
 517     *appValue = NULL;
 518
 519     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 520     if (!row)
 521     {
 522         TRACE("failed to query IniLocator for %s\n", debugstr_w(sig->Name));
 523         return ERROR_SUCCESS;
 524     }
 525
 526     fileName = msi_dup_record_field(row, 2);
 527     section = msi_dup_record_field(row, 3);
 528     key = msi_dup_record_field(row, 4);
 529     field = MSI_RecordGetInteger(row, 5);
 530     type = MSI_RecordGetInteger(row, 6);
 531     if (field == MSI_NULL_INTEGER)
 532         field = 0;
 533     if (type == MSI_NULL_INTEGER)
 534         type = 0;
 535
 536     GetPrivateProfileStringW(section, key, NULL, buf, MAX_PATH, fileName);
 537     if (buf[0])
 538     {
 539         switch (type & 0x0f)
 540         {
 541         case msidbLocatorTypeDirectory:
 542             ACTION_SearchDirectory(package, sig, buf, 0, appValue);
 543             break;
 544         case msidbLocatorTypeFileName:
 545             *appValue = app_search_file(buf, sig);
 546             break;
 547         case msidbLocatorTypeRawValue:
 548             *appValue = get_ini_field(buf, field);
 549             break;
 550         }
 551     }
 552
 553     msi_free(fileName);
 554     msi_free(section);
 555     msi_free(key);
 556
 557     msiobj_release(&row->hdr);
 558
 559     return ERROR_SUCCESS;
 560 }
 561
 562 /* Expands the value in src into a path without property names and only
 563  * containing long path names into dst.  Replaces at most len characters of dst,
 564  * and always NULL-terminates dst if dst is not NULL and len >= 1.
 565  * May modify src.
 566  * Assumes src and dst are non-overlapping.
 567  * FIXME: return code probably needed:
 568  * - what does AppSearch return if the table values are invalid?
 569  * - what if dst is too small?
 570  */
 571 static void ACTION_ExpandAnyPath(MSIPACKAGE *package, WCHAR *src, WCHAR *dst,
 572  size_t len)
 573 {
 574     WCHAR *ptr, *deformatted;
 575
 576     if (!src || !dst || !len)
 577     {
 578         if (dst) *dst = '\0';
 579         return;
 580     }
 581
 582     dst[0] = '\0';
 583
 584     /* Ignore the short portion of the path */
 585     if ((ptr = strchrW(src, '|')))
 586         ptr++;
 587     else
 588         ptr = src;
 589
 590     deformat_string(package, ptr, &deformatted);
 591     if (!deformatted || lstrlenW(deformatted) > len - 1)
 592     {
 593         msi_free(deformatted);
 594         return;
 595     }
 596
 597     lstrcpyW(dst, deformatted);
 598     dst[lstrlenW(deformatted)] = '\0';
 599     msi_free(deformatted);
 600 }
 601
 602 /* Sets *matches to whether the file (whose path is filePath) matches the
 603  * versions set in sig.
 604  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 605  * something else if an install-halting error occurs.
 606  */
 607 static UINT ACTION_FileVersionMatches(const MSISIGNATURE *sig, LPCWSTR filePath,
 608  BOOL *matches)
 609 {
 610     UINT rc = ERROR_SUCCESS;
 611
 612     *matches = FALSE;
 613     if (sig->Languages)
 614     {
 615         FIXME(": need to check version for languages %s\n",
 616          debugstr_w(sig->Languages));
 617     }
 618     else
 619     {
 620         DWORD zero, size = GetFileVersionInfoSizeW(filePath, &zero);
 621
 622         if (size)
 623         {
 624             LPVOID buf = msi_alloc( size);
 625
 626             if (buf)
 627             {
 628                 static const WCHAR rootW[] = { '\\',0 };
 629                 UINT versionLen;
 630                 LPVOID subBlock = NULL;
 631
 632                 if (GetFileVersionInfoW(filePath, 0, size, buf))
 633                     VerQueryValueW(buf, rootW, &subBlock, &versionLen);
 634                 if (subBlock)
 635                 {
 636                     VS_FIXEDFILEINFO *info =
 637                      (VS_FIXEDFILEINFO *)subBlock;
 638
 639                     TRACE("Comparing file version %d.%d.%d.%d:\n",
 640                      HIWORD(info->dwFileVersionMS),
 641                      LOWORD(info->dwFileVersionMS),
 642                      HIWORD(info->dwFileVersionLS),
 643                      LOWORD(info->dwFileVersionLS));
 644                     if (info->dwFileVersionMS < sig->MinVersionMS
 645                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 646                      info->dwFileVersionLS < sig->MinVersionLS))
 647                     {
 648                         TRACE("Less than minimum version %d.%d.%d.%d\n",
 649                          HIWORD(sig->MinVersionMS),
 650                          LOWORD(sig->MinVersionMS),
 651                          HIWORD(sig->MinVersionLS),
 652                          LOWORD(sig->MinVersionLS));
 653                     }
 654                     else if (info->dwFileVersionMS < sig->MinVersionMS
 655                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 656                      info->dwFileVersionLS < sig->MinVersionLS))
 657                     {
 658                         TRACE("Greater than minimum version %d.%d.%d.%d\n",
 659                          HIWORD(sig->MaxVersionMS),
 660                          LOWORD(sig->MaxVersionMS),
 661                          HIWORD(sig->MaxVersionLS),
 662                          LOWORD(sig->MaxVersionLS));
 663                     }
 664                     else
 665                         *matches = TRUE;
 666                 }
 667                 msi_free( buf);
 668             }
 669             else
 670                 rc = ERROR_OUTOFMEMORY;
 671         }
 672     }
 673     return rc;
 674 }
 675
 676 /* Sets *matches to whether the file in findData matches that in sig.
 677  * fullFilePath is assumed to be the full path of the file specified in
 678  * findData, which may be necessary to compare the version.
 679  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 680  * something else if an install-halting error occurs.
 681  */
 682 static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
 683  const WIN32_FIND_DATAW *findData, LPCWSTR fullFilePath, BOOL *matches)
 684 {
 685     UINT rc = ERROR_SUCCESS;
 686
 687     *matches = TRUE;
 688     /* assumes the caller has already ensured the filenames match, so check
 689      * the other fields..
 690      */
 691     if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
 692     {
 693         if (findData->ftCreationTime.dwHighDateTime <
 694          sig->MinTime.dwHighDateTime ||
 695          (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
 696          && findData->ftCreationTime.dwLowDateTime <
 697          sig->MinTime.dwLowDateTime))
 698             *matches = FALSE;
 699     }
 700     if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
 701     {
 702         if (findData->ftCreationTime.dwHighDateTime >
 703          sig->MaxTime.dwHighDateTime ||
 704          (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
 705          && findData->ftCreationTime.dwLowDateTime >
 706          sig->MaxTime.dwLowDateTime))
 707             *matches = FALSE;
 708     }
 709     if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
 710         *matches = FALSE;
 711     if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
 712         *matches = FALSE;
 713     if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
 714      sig->MaxVersionMS || sig->MaxVersionLS))
 715         rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
 716     return rc;
 717 }
 718
 719 /* Recursively searches the directory dir for files that match the signature
 720  * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 721  * (and only dir).  If depth is 1, searches dir and its immediate
 722  * subdirectories.
 723  * Assumes sig->File is not NULL.
 724  * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 725  * something else on failures which should halt the install.
 726  */
 727 static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 728  MSISIGNATURE *sig, LPCWSTR dir, int depth)
 729 {
 730     HANDLE hFind;
 731     WIN32_FIND_DATAW findData;
 732     UINT rc = ERROR_SUCCESS;
 733     size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
 734     WCHAR *buf;
 735
 736     static const WCHAR starDotStarW[] = { '*','.','*',0 };
 737
 738     TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
 739           debugstr_w(sig->File), depth);
 740
 741     if (depth < 0)
 742         return ERROR_INVALID_PARAMETER;
 743
 744     *appValue = NULL;
 745     /* We need the buffer in both paths below, so go ahead and allocate it
 746      * here.  Add two because we might need to add a backslash if the dir name
 747      * isn't backslash-terminated.
 748      */
 749     buf = msi_alloc( (dirLen + max(fileLen, lstrlenW(starDotStarW)) + 2) * sizeof(WCHAR));
 750     if (!buf)
 751         return ERROR_OUTOFMEMORY;
 752
 753     lstrcpyW(buf, dir);
 754     PathAddBackslashW(buf);
 755     lstrcatW(buf, sig->File);
 756
 757     hFind = FindFirstFileW(buf, &findData);
 758     if (hFind != INVALID_HANDLE_VALUE)
 759     {
 760         BOOL matches;
 761
 762         /* assuming Signature can't contain wildcards for the file name,
 763          * so don't bother with FindNextFileW here.
 764          */
 765         rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
 766         if (rc == ERROR_SUCCESS && matches)
 767         {
 768             TRACE("found file, returning %s\n", debugstr_w(buf));
 769             *appValue = buf;
 770         }
 771
 772         FindClose(hFind);
 773     }
 774
 775     if (rc == ERROR_SUCCESS && !*appValue && depth > 0)
 776     {
 777         lstrcpyW(buf, dir);
 778         PathAddBackslashW(buf);
 779         lstrcatW(buf, starDotStarW);
 780
 781         hFind = FindFirstFileW(buf, &findData);
 782         if (hFind != INVALID_HANDLE_VALUE)
 783         {
 784             if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 785                 rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
 786                                                    findData.cFileName,
 787                                                    depth - 1);
 788
 789             while (rc == ERROR_SUCCESS && !*appValue &&
 790                    FindNextFileW(hFind, &findData) != 0)
 791             {
 792                 if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 793                     rc = ACTION_RecurseSearchDirectory(package, appValue,
 794                                                        sig, findData.cFileName,
 795                                                        depth - 1);
 796             }
 797
 798             FindClose(hFind);
 799         }
 800     }
 801
 802     if (!*appValue)
 803         msi_free(buf);
 804
 805     return rc;
 806 }
 807
 808 static UINT ACTION_CheckDirectory(MSIPACKAGE *package, LPCWSTR dir,
 809  LPWSTR *appValue)
 810 {
 811     DWORD attr = GetFileAttributesW(dir);
 812
 813     if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 814     {
 815         TRACE("directory exists, returning %s\n", debugstr_w(dir));
 816         *appValue = strdupW(dir);
 817     }
 818
 819     return ERROR_SUCCESS;
 820 }
 821
 822 static BOOL ACTION_IsFullPath(LPCWSTR path)
 823 {
 824     WCHAR first = toupperW(path[0]);
 825     BOOL ret;
 826
 827     if (first >= 'A' && first <= 'Z' && path[1] == ':')
 828         ret = TRUE;
 829     else if (path[0] == '\\' && path[1] == '\\')
 830         ret = TRUE;
 831     else
 832         ret = FALSE;
 833     return ret;
 834 }
 835
 836 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 837  LPCWSTR path, int depth, LPWSTR *appValue)
 838 {
 839     UINT rc;
 840     DWORD attr;
 841     LPWSTR val = NULL;
 842
 843     TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth,
 844      appValue);
 845
 846     if (ACTION_IsFullPath(path))
 847     {
 848         if (sig->File)
 849             rc = ACTION_RecurseSearchDirectory(package, &val, sig, path, depth);
 850         else
 851         {
 852             /* Recursively searching a directory makes no sense when the
 853              * directory to search is the thing you're trying to find.
 854              */
 855             rc = ACTION_CheckDirectory(package, path, &val);
 856         }
 857     }
 858     else
 859     {
 860         WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
 861         DWORD drives = GetLogicalDrives();
 862         int i;
 863
 864         rc = ERROR_SUCCESS;
 865         for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
 866         {
 867             if (!(drives & (1 << i)))
 868                 continue;
 869
 870             pathWithDrive[0] = 'A' + i;
 871             if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
 872                 continue;
 873
 874             lstrcpynW(pathWithDrive + 3, path,
 875                       sizeof(pathWithDrive) / sizeof(pathWithDrive[0]) - 3);
 876
 877             if (sig->File)
 878                 rc = ACTION_RecurseSearchDirectory(package, &val, sig,
 879                                                    pathWithDrive, depth);
 880             else
 881                 rc = ACTION_CheckDirectory(package, pathWithDrive, &val);
 882         }
 883     }
 884
 885     attr = GetFileAttributesW(val);
 886     if ((attr & FILE_ATTRIBUTE_DIRECTORY) &&
 887         val && val[lstrlenW(val) - 1] != '\\')
 888     {
 889         val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
 890         if (!val)
 891             rc = ERROR_OUTOFMEMORY;
 892         else
 893             PathAddBackslashW(val);
 894     }
 895
 896     *appValue = val;
 897
 898     TRACE("returning %d\n", rc);
 899     return rc;
 900 }
 901
 902 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 903  MSISIGNATURE *sig, LPWSTR *appValue);
 904
 905 static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 906 {
 907     static const WCHAR query[] =  {
 908         's','e','l','e','c','t',' ','*',' ',
 909         'f','r','o','m',' ',
 910         'D','r','L','o','c','a','t','o','r',' ',
 911         'w','h','e','r','e',' ',
 912         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 913     LPWSTR parentName = NULL, parent = NULL;
 914     WCHAR path[MAX_PATH];
 915     WCHAR expanded[MAX_PATH];
 916     MSIRECORD *row;
 917     int depth;
 918     DWORD sz;
 919     UINT rc;
 920
 921     TRACE("%s\n", debugstr_w(sig->Name));
 922
 923     *appValue = NULL;
 924
 925     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 926     if (!row)
 927     {
 928         TRACE("failed to query DrLocator for %s\n", debugstr_w(sig->Name));
 929         return ERROR_SUCCESS;
 930     }
 931
 932     /* check whether parent is set */
 933     parentName = msi_dup_record_field(row,2);
 934     if (parentName)
 935     {
 936         MSISIGNATURE parentSig;
 937
 938         rc = ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
 939         ACTION_FreeSignature(&parentSig);
 940         msi_free(parentName);
 941     }
 942
 943     sz = MAX_PATH;
 944     MSI_RecordGetStringW(row, 3, path, &sz);
 945
 946     if (MSI_RecordIsNull(row,4))
 947         depth = 0;
 948     else
 949         depth = MSI_RecordGetInteger(row,4);
 950
 951     ACTION_ExpandAnyPath(package, path, expanded, MAX_PATH);
 952
 953     if (parent)
 954     {
 955         strcpyW(path, parent);
 956         strcatW(path, expanded);
 957     }
 958     else
 959         strcpyW(path, expanded);
 960
 961     PathAddBackslashW(path);
 962
 963     rc = ACTION_SearchDirectory(package, sig, path, depth, appValue);
 964
 965     msi_free(parent);
 966     msiobj_release(&row->hdr);
 967
 968     TRACE("returning %d\n", rc);
 969     return rc;
 970 }
 971
 972 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 973  MSISIGNATURE *sig, LPWSTR *appValue)
 974 {
 975     UINT rc;
 976
 977     *appValue = NULL;
 978     rc = ACTION_AppSearchGetSignature(package, sig, sigName);
 979     if (rc == ERROR_SUCCESS)
 980     {
 981         rc = ACTION_AppSearchComponents(package, appValue, sig);
 982         if (rc == ERROR_SUCCESS && !*appValue)
 983         {
 984             rc = ACTION_AppSearchReg(package, appValue, sig);
 985             if (rc == ERROR_SUCCESS && !*appValue)
 986             {
 987                 rc = ACTION_AppSearchIni(package, appValue, sig);
 988                 if (rc == ERROR_SUCCESS && !*appValue)
 989                     rc = ACTION_AppSearchDr(package, appValue, sig);
 990             }
 991         }
 992     }
 993     return rc;
 994 }
 995
 996 static UINT iterate_appsearch(MSIRECORD *row, LPVOID param)
 997 {
 998     MSIPACKAGE *package = param;
 999     LPWSTR propName, sigName, value = NULL;
1000     MSISIGNATURE sig;
1001     UINT r;
1002
1003     /* get property and signature */
1004     propName = msi_dup_record_field(row,1);
1005     sigName = msi_dup_record_field(row,2);
1006
1007     TRACE("%s %s\n", debugstr_w(propName), debugstr_w(sigName));
1008
1009     r = ACTION_AppSearchSigName(package, sigName, &sig, &value);
1010     if (value)
1011     {
1012         MSI_SetPropertyW(package, propName, value);
1013         msi_free(value);
1014     }
1015     ACTION_FreeSignature(&sig);
1016     msi_free(propName);
1017     msi_free(sigName);
1018
1019     return r;
1020 }
1021
1022 UINT ACTION_AppSearch(MSIPACKAGE *package)
1023 {
1024     static const WCHAR query[] =  {
1025         's','e','l','e','c','t',' ','*',' ',
1026         'f','r','o','m',' ',
1027         'A','p','p','S','e','a','r','c','h',0};
1028     MSIQUERY *view = NULL;
1029     UINT r;
1030
1031     r = MSI_OpenQuery( package->db, &view, query );
1032     if (r != ERROR_SUCCESS)
1033         return ERROR_SUCCESS;
1034
1035     r = MSI_IterateRecords( view, NULL, iterate_appsearch, package );
1036     msiobj_release( &view->hdr );
1037
1038     return r;
1039 }
1040
1041 static UINT ITERATE_CCPSearch(MSIRECORD *row, LPVOID param)
1042 {
1043     MSIPACKAGE *package = param;
1044     LPCWSTR signature;
1045     LPWSTR value = NULL;
1046     MSISIGNATURE sig;
1047     UINT r = ERROR_SUCCESS;
1048
1049     static const WCHAR success[] = {'C','C','P','_','S','u','c','c','e','s','s',0};
1050     static const WCHAR one[] = {'1',0};
1051
1052     signature = MSI_RecordGetString(row, 1);
1053
1054     TRACE("%s\n", debugstr_w(signature));
1055
1056     ACTION_AppSearchSigName(package, signature, &sig, &value);
1057     if (value)
1058     {
1059         TRACE("Found signature %s\n", debugstr_w(signature));
1060         MSI_SetPropertyW(package, success, one);
1061         msi_free(value);
1062         r = ERROR_NO_MORE_ITEMS;
1063     }
1064
1065     ACTION_FreeSignature(&sig);
1066
1067     return r;
1068 }
1069
1070 UINT ACTION_CCPSearch(MSIPACKAGE *package)
1071 {
1072     static const WCHAR query[] =  {
1073         's','e','l','e','c','t',' ','*',' ',
1074         'f','r','o','m',' ',
1075         'C','C','P','S','e','a','r','c','h',0};
1076     MSIQUERY *view = NULL;
1077     UINT r;
1078
1079     r = MSI_OpenQuery(package->db, &view, query);
1080     if (r != ERROR_SUCCESS)
1081         return ERROR_SUCCESS;
1082
1083     r = MSI_IterateRecords(view, NULL, ITERATE_CCPSearch, package);
1084     msiobj_release(&view->hdr);
1085
1086     return r;
1087 }