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     LPWSTR ptr = NULL, end;
 376     int root, type;
 377     HKEY rootKey, key = NULL;
 378     DWORD sz = 0, regType;
 379     LPBYTE value = NULL;
 380     MSIRECORD *row;
 381     UINT rc;
 382
 383     TRACE("%s\n", debugstr_w(sig->Name));
 384
 385     *appValue = NULL;
 386
 387     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 388     if (!row)
 389     {
 390         TRACE("failed to query RegLocator for %s\n", debugstr_w(sig->Name));
 391         return ERROR_SUCCESS;
 392     }
 393
 394     root = MSI_RecordGetInteger(row,2);
 395     keyPath = msi_dup_record_field(row,3);
 396     valueName = msi_dup_record_field(row,4);
 397     type = MSI_RecordGetInteger(row,5);
 398
 399     deformat_string(package, keyPath, &deformatted);
 400
 401     switch (root)
 402     {
 403     case msidbRegistryRootClassesRoot:
 404         rootKey = HKEY_CLASSES_ROOT;
 405         break;
 406     case msidbRegistryRootCurrentUser:
 407         rootKey = HKEY_CURRENT_USER;
 408         break;
 409     case msidbRegistryRootLocalMachine:
 410         rootKey = HKEY_LOCAL_MACHINE;
 411         break;
 412     case msidbRegistryRootUsers:
 413         rootKey = HKEY_USERS;
 414         break;
 415     default:
 416         WARN("Unknown root key %d\n", root);
 417         goto end;
 418     }
 419
 420     rc = RegOpenKeyW(rootKey, deformatted, &key);
 421     if (rc)
 422     {
 423         TRACE("RegOpenKeyW returned %d\n", rc);
 424         goto end;
 425     }
 426
 427     rc = RegQueryValueExW(key, valueName, NULL, NULL, NULL, &sz);
 428     if (rc)
 429     {
 430         TRACE("RegQueryValueExW returned %d\n", rc);
 431         goto end;
 432     }
 433     /* FIXME: sanity-check sz before allocating (is there an upper-limit
 434      * on the value of a property?)
 435      */
 436     value = msi_alloc( sz );
 437     rc = RegQueryValueExW(key, valueName, NULL, &regType, value, &sz);
 438     if (rc)
 439     {
 440         TRACE("RegQueryValueExW returned %d\n", rc);
 441         goto end;
 442     }
 443
 444     /* bail out if the registry key is empty */
 445     if (sz == 0)
 446         goto end;
 447
 448     if ((ptr = strchrW((LPWSTR)value, '"')) && (end = strchrW(++ptr, '"')))
 449         *end = '\0';
 450     else
 451         ptr = (LPWSTR)value;
 452
 453     switch (type & 0x0f)
 454     {
 455     case msidbLocatorTypeDirectory:
 456         rc = ACTION_SearchDirectory(package, sig, ptr, 0, appValue);
 457         break;
 458     case msidbLocatorTypeFileName:
 459         *appValue = app_search_file(ptr, sig);
 460         break;
 461     case msidbLocatorTypeRawValue:
 462         ACTION_ConvertRegValue(regType, value, sz, appValue);
 463         break;
 464     default:
 465         FIXME("AppSearch unimplemented for type %d (key path %s, value %s)\n",
 466               type, debugstr_w(keyPath), debugstr_w(valueName));
 467     }
 468 end:
 469     msi_free( value );
 470     RegCloseKey( key );
 471
 472     msi_free( keyPath );
 473     msi_free( valueName );
 474     msi_free( deformatted );
 475
 476     msiobj_release(&row->hdr);
 477
 478     return ERROR_SUCCESS;
 479 }
 480
 481 static LPWSTR get_ini_field(LPWSTR buf, int field)
 482 {
 483     LPWSTR beg, end;
 484     int i = 1;
 485
 486     if (field == 0)
 487         return strdupW(buf);
 488
 489     beg = buf;
 490     while ((end = strchrW(beg, ',')) && i < field)
 491     {
 492         beg = end + 1;
 493         while (*beg && *beg == ' ')
 494             beg++;
 495
 496         i++;
 497     }
 498
 499     end = strchrW(beg, ',');
 500     if (!end)
 501         end = beg + lstrlenW(beg);
 502
 503     *end = '\0';
 504     return strdupW(beg);
 505 }
 506
 507 static UINT ACTION_AppSearchIni(MSIPACKAGE *package, LPWSTR *appValue,
 508  MSISIGNATURE *sig)
 509 {
 510     static const WCHAR query[] =  {
 511         's','e','l','e','c','t',' ','*',' ',
 512         'f','r','o','m',' ',
 513         'I','n','i','L','o','c','a','t','o','r',' ',
 514         'w','h','e','r','e',' ',
 515         'S','i','g','n','a','t','u','r','e','_',' ','=',' ','\'','%','s','\'',0};
 516     MSIRECORD *row;
 517     LPWSTR fileName, section, key;
 518     int field, type;
 519     WCHAR buf[MAX_PATH];
 520
 521     TRACE("%s\n", debugstr_w(sig->Name));
 522
 523     *appValue = NULL;
 524
 525     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 526     if (!row)
 527     {
 528         TRACE("failed to query IniLocator for %s\n", debugstr_w(sig->Name));
 529         return ERROR_SUCCESS;
 530     }
 531
 532     fileName = msi_dup_record_field(row, 2);
 533     section = msi_dup_record_field(row, 3);
 534     key = msi_dup_record_field(row, 4);
 535     field = MSI_RecordGetInteger(row, 5);
 536     type = MSI_RecordGetInteger(row, 6);
 537     if (field == MSI_NULL_INTEGER)
 538         field = 0;
 539     if (type == MSI_NULL_INTEGER)
 540         type = 0;
 541
 542     GetPrivateProfileStringW(section, key, NULL, buf, MAX_PATH, fileName);
 543     if (buf[0])
 544     {
 545         switch (type & 0x0f)
 546         {
 547         case msidbLocatorTypeDirectory:
 548             ACTION_SearchDirectory(package, sig, buf, 0, appValue);
 549             break;
 550         case msidbLocatorTypeFileName:
 551             *appValue = app_search_file(buf, sig);
 552             break;
 553         case msidbLocatorTypeRawValue:
 554             *appValue = get_ini_field(buf, field);
 555             break;
 556         }
 557     }
 558
 559     msi_free(fileName);
 560     msi_free(section);
 561     msi_free(key);
 562
 563     msiobj_release(&row->hdr);
 564
 565     return ERROR_SUCCESS;
 566 }
 567
 568 /* Expands the value in src into a path without property names and only
 569  * containing long path names into dst.  Replaces at most len characters of dst,
 570  * and always NULL-terminates dst if dst is not NULL and len >= 1.
 571  * May modify src.
 572  * Assumes src and dst are non-overlapping.
 573  * FIXME: return code probably needed:
 574  * - what does AppSearch return if the table values are invalid?
 575  * - what if dst is too small?
 576  */
 577 static void ACTION_ExpandAnyPath(MSIPACKAGE *package, WCHAR *src, WCHAR *dst,
 578  size_t len)
 579 {
 580     WCHAR *ptr, *deformatted;
 581
 582     if (!src || !dst || !len)
 583     {
 584         if (dst) *dst = '\0';
 585         return;
 586     }
 587
 588     dst[0] = '\0';
 589
 590     /* Ignore the short portion of the path */
 591     if ((ptr = strchrW(src, '|')))
 592         ptr++;
 593     else
 594         ptr = src;
 595
 596     deformat_string(package, ptr, &deformatted);
 597     if (!deformatted || strlenW(deformatted) > len - 1)
 598     {
 599         msi_free(deformatted);
 600         return;
 601     }
 602
 603     lstrcpyW(dst, deformatted);
 604     dst[lstrlenW(deformatted)] = '\0';
 605     msi_free(deformatted);
 606 }
 607
 608 /* Sets *matches to whether the file (whose path is filePath) matches the
 609  * versions set in sig.
 610  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 611  * something else if an install-halting error occurs.
 612  */
 613 static UINT ACTION_FileVersionMatches(const MSISIGNATURE *sig, LPCWSTR filePath,
 614  BOOL *matches)
 615 {
 616     UINT rc = ERROR_SUCCESS;
 617
 618     *matches = FALSE;
 619     if (sig->Languages)
 620     {
 621         FIXME(": need to check version for languages %s\n",
 622          debugstr_w(sig->Languages));
 623     }
 624     else
 625     {
 626         DWORD zero, size = GetFileVersionInfoSizeW(filePath, &zero);
 627
 628         if (size)
 629         {
 630             LPVOID buf = msi_alloc( size);
 631
 632             if (buf)
 633             {
 634                 static const WCHAR rootW[] = { '\\',0 };
 635                 UINT versionLen;
 636                 LPVOID subBlock = NULL;
 637
 638                 if (GetFileVersionInfoW(filePath, 0, size, buf))
 639                     VerQueryValueW(buf, rootW, &subBlock, &versionLen);
 640                 if (subBlock)
 641                 {
 642                     VS_FIXEDFILEINFO *info =
 643                      (VS_FIXEDFILEINFO *)subBlock;
 644
 645                     TRACE("Comparing file version %d.%d.%d.%d:\n",
 646                      HIWORD(info->dwFileVersionMS),
 647                      LOWORD(info->dwFileVersionMS),
 648                      HIWORD(info->dwFileVersionLS),
 649                      LOWORD(info->dwFileVersionLS));
 650                     if (info->dwFileVersionMS < sig->MinVersionMS
 651                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 652                      info->dwFileVersionLS < sig->MinVersionLS))
 653                     {
 654                         TRACE("Less than minimum version %d.%d.%d.%d\n",
 655                          HIWORD(sig->MinVersionMS),
 656                          LOWORD(sig->MinVersionMS),
 657                          HIWORD(sig->MinVersionLS),
 658                          LOWORD(sig->MinVersionLS));
 659                     }
 660                     else if ((sig->MaxVersionMS || sig->MaxVersionLS) &&
 661                              (info->dwFileVersionMS > sig->MaxVersionMS ||
 662                               (info->dwFileVersionMS == sig->MaxVersionMS &&
 663                                info->dwFileVersionLS > sig->MaxVersionLS)))
 664                     {
 665                         TRACE("Greater than maximum version %d.%d.%d.%d\n",
 666                          HIWORD(sig->MaxVersionMS),
 667                          LOWORD(sig->MaxVersionMS),
 668                          HIWORD(sig->MaxVersionLS),
 669                          LOWORD(sig->MaxVersionLS));
 670                     }
 671                     else
 672                         *matches = TRUE;
 673                 }
 674                 msi_free( buf);
 675             }
 676             else
 677                 rc = ERROR_OUTOFMEMORY;
 678         }
 679     }
 680     return rc;
 681 }
 682
 683 /* Sets *matches to whether the file in findData matches that in sig.
 684  * fullFilePath is assumed to be the full path of the file specified in
 685  * findData, which may be necessary to compare the version.
 686  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 687  * something else if an install-halting error occurs.
 688  */
 689 static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
 690  const WIN32_FIND_DATAW *findData, LPCWSTR fullFilePath, BOOL *matches)
 691 {
 692     UINT rc = ERROR_SUCCESS;
 693
 694     *matches = TRUE;
 695     /* assumes the caller has already ensured the filenames match, so check
 696      * the other fields..
 697      */
 698     if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
 699     {
 700         if (findData->ftCreationTime.dwHighDateTime <
 701          sig->MinTime.dwHighDateTime ||
 702          (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
 703          && findData->ftCreationTime.dwLowDateTime <
 704          sig->MinTime.dwLowDateTime))
 705             *matches = FALSE;
 706     }
 707     if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
 708     {
 709         if (findData->ftCreationTime.dwHighDateTime >
 710          sig->MaxTime.dwHighDateTime ||
 711          (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
 712          && findData->ftCreationTime.dwLowDateTime >
 713          sig->MaxTime.dwLowDateTime))
 714             *matches = FALSE;
 715     }
 716     if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
 717         *matches = FALSE;
 718     if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
 719         *matches = FALSE;
 720     if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
 721      sig->MaxVersionMS || sig->MaxVersionLS))
 722         rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
 723     return rc;
 724 }
 725
 726 /* Recursively searches the directory dir for files that match the signature
 727  * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 728  * (and only dir).  If depth is 1, searches dir and its immediate
 729  * subdirectories.
 730  * Assumes sig->File is not NULL.
 731  * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 732  * something else on failures which should halt the install.
 733  */
 734 static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 735  MSISIGNATURE *sig, LPCWSTR dir, int depth)
 736 {
 737     HANDLE hFind;
 738     WIN32_FIND_DATAW findData;
 739     UINT rc = ERROR_SUCCESS;
 740     size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
 741     WCHAR subpath[MAX_PATH];
 742     WCHAR *buf;
 743
 744     static const WCHAR dot[] = {'.',0};
 745     static const WCHAR dotdot[] = {'.','.',0};
 746     static const WCHAR starDotStarW[] = { '*','.','*',0 };
 747
 748     TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
 749           debugstr_w(sig->File), depth);
 750
 751     if (depth < 0)
 752         return ERROR_SUCCESS;
 753
 754     *appValue = NULL;
 755     /* We need the buffer in both paths below, so go ahead and allocate it
 756      * here.  Add two because we might need to add a backslash if the dir name
 757      * isn't backslash-terminated.
 758      */
 759     buf = msi_alloc( (dirLen + max(fileLen, strlenW(starDotStarW)) + 2) * sizeof(WCHAR));
 760     if (!buf)
 761         return ERROR_OUTOFMEMORY;
 762
 763     lstrcpyW(buf, dir);
 764     PathAddBackslashW(buf);
 765     lstrcatW(buf, sig->File);
 766
 767     hFind = FindFirstFileW(buf, &findData);
 768     if (hFind != INVALID_HANDLE_VALUE)
 769     {
 770         if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
 771         {
 772             BOOL matches;
 773
 774             rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
 775             if (rc == ERROR_SUCCESS && matches)
 776             {
 777                 TRACE("found file, returning %s\n", debugstr_w(buf));
 778                 *appValue = buf;
 779             }
 780         }
 781         FindClose(hFind);
 782     }
 783
 784     if (rc == ERROR_SUCCESS && !*appValue)
 785     {
 786         lstrcpyW(buf, dir);
 787         PathAddBackslashW(buf);
 788         lstrcatW(buf, starDotStarW);
 789
 790         hFind = FindFirstFileW(buf, &findData);
 791         if (hFind != INVALID_HANDLE_VALUE)
 792         {
 793             if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
 794                 lstrcmpW(findData.cFileName, dot) &&
 795                 lstrcmpW(findData.cFileName, dotdot))
 796             {
 797                 lstrcpyW(subpath, dir);
 798                 PathAppendW(subpath, findData.cFileName);
 799                 rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
 800                                                    subpath, depth - 1);
 801             }
 802
 803             while (rc == ERROR_SUCCESS && !*appValue &&
 804                    FindNextFileW(hFind, &findData) != 0)
 805             {
 806                 if (!lstrcmpW(findData.cFileName, dot) ||
 807                     !lstrcmpW(findData.cFileName, dotdot))
 808                     continue;
 809
 810                 lstrcpyW(subpath, dir);
 811                 PathAppendW(subpath, findData.cFileName);
 812                 if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 813                     rc = ACTION_RecurseSearchDirectory(package, appValue,
 814                                                        sig, subpath, depth - 1);
 815             }
 816
 817             FindClose(hFind);
 818         }
 819     }
 820
 821     if (!*appValue)
 822         msi_free(buf);
 823
 824     return rc;
 825 }
 826
 827 static UINT ACTION_CheckDirectory(MSIPACKAGE *package, LPCWSTR dir,
 828  LPWSTR *appValue)
 829 {
 830     DWORD attr = GetFileAttributesW(dir);
 831
 832     if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 833     {
 834         TRACE("directory exists, returning %s\n", debugstr_w(dir));
 835         *appValue = strdupW(dir);
 836     }
 837
 838     return ERROR_SUCCESS;
 839 }
 840
 841 static BOOL ACTION_IsFullPath(LPCWSTR path)
 842 {
 843     WCHAR first = toupperW(path[0]);
 844     BOOL ret;
 845
 846     if (first >= 'A' && first <= 'Z' && path[1] == ':')
 847         ret = TRUE;
 848     else if (path[0] == '\\' && path[1] == '\\')
 849         ret = TRUE;
 850     else
 851         ret = FALSE;
 852     return ret;
 853 }
 854
 855 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 856  LPCWSTR path, int depth, LPWSTR *appValue)
 857 {
 858     UINT rc;
 859     DWORD attr;
 860     LPWSTR val = NULL;
 861
 862     TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth,
 863      appValue);
 864
 865     if (ACTION_IsFullPath(path))
 866     {
 867         if (sig->File)
 868             rc = ACTION_RecurseSearchDirectory(package, &val, sig, path, depth);
 869         else
 870         {
 871             /* Recursively searching a directory makes no sense when the
 872              * directory to search is the thing you're trying to find.
 873              */
 874             rc = ACTION_CheckDirectory(package, path, &val);
 875         }
 876     }
 877     else
 878     {
 879         WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
 880         DWORD drives = GetLogicalDrives();
 881         int i;
 882
 883         rc = ERROR_SUCCESS;
 884         for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
 885         {
 886             if (!(drives & (1 << i)))
 887                 continue;
 888
 889             pathWithDrive[0] = 'A' + i;
 890             if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
 891                 continue;
 892
 893             lstrcpynW(pathWithDrive + 3, path,
 894                       sizeof(pathWithDrive) / sizeof(pathWithDrive[0]) - 3);
 895
 896             if (sig->File)
 897                 rc = ACTION_RecurseSearchDirectory(package, &val, sig,
 898                                                    pathWithDrive, depth);
 899             else
 900                 rc = ACTION_CheckDirectory(package, pathWithDrive, &val);
 901         }
 902     }
 903
 904     attr = GetFileAttributesW(val);
 905     if ((attr & FILE_ATTRIBUTE_DIRECTORY) &&
 906         val && val[lstrlenW(val) - 1] != '\\')
 907     {
 908         val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
 909         if (!val)
 910             rc = ERROR_OUTOFMEMORY;
 911         else
 912             PathAddBackslashW(val);
 913     }
 914
 915     *appValue = val;
 916
 917     TRACE("returning %d\n", rc);
 918     return rc;
 919 }
 920
 921 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 922  MSISIGNATURE *sig, LPWSTR *appValue);
 923
 924 static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 925 {
 926     static const WCHAR query[] =  {
 927         's','e','l','e','c','t',' ','*',' ',
 928         'f','r','o','m',' ',
 929         'D','r','L','o','c','a','t','o','r',' ',
 930         'w','h','e','r','e',' ',
 931         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 932     LPWSTR parentName = NULL, parent = NULL;
 933     WCHAR path[MAX_PATH];
 934     WCHAR expanded[MAX_PATH];
 935     MSIRECORD *row;
 936     int depth;
 937     DWORD sz;
 938     UINT rc;
 939
 940     TRACE("%s\n", debugstr_w(sig->Name));
 941
 942     *appValue = NULL;
 943
 944     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 945     if (!row)
 946     {
 947         TRACE("failed to query DrLocator for %s\n", debugstr_w(sig->Name));
 948         return ERROR_SUCCESS;
 949     }
 950
 951     /* check whether parent is set */
 952     parentName = msi_dup_record_field(row,2);
 953     if (parentName)
 954     {
 955         MSISIGNATURE parentSig;
 956
 957         rc = ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
 958         ACTION_FreeSignature(&parentSig);
 959         msi_free(parentName);
 960     }
 961
 962     sz = MAX_PATH;
 963     MSI_RecordGetStringW(row, 3, path, &sz);
 964
 965     if (MSI_RecordIsNull(row,4))
 966         depth = 0;
 967     else
 968         depth = MSI_RecordGetInteger(row,4);
 969
 970     ACTION_ExpandAnyPath(package, path, expanded, MAX_PATH);
 971
 972     if (parent)
 973     {
 974         if (!(GetFileAttributesW(parent) & FILE_ATTRIBUTE_DIRECTORY))
 975         {
 976             PathRemoveFileSpecW(parent);
 977             PathAddBackslashW(parent);
 978         }
 979
 980         strcpyW(path, parent);
 981         strcatW(path, expanded);
 982     }
 983     else
 984         strcpyW(path, expanded);
 985
 986     PathAddBackslashW(path);
 987
 988     rc = ACTION_SearchDirectory(package, sig, path, depth, appValue);
 989
 990     msi_free(parent);
 991     msiobj_release(&row->hdr);
 992
 993     TRACE("returning %d\n", rc);
 994     return rc;
 995 }
 996
 997 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 998  MSISIGNATURE *sig, LPWSTR *appValue)
 999 {
1000     UINT rc;
1001
1002     *appValue = NULL;
1003     rc = ACTION_AppSearchGetSignature(package, sig, sigName);
1004     if (rc == ERROR_SUCCESS)
1005     {
1006         rc = ACTION_AppSearchComponents(package, appValue, sig);
1007         if (rc == ERROR_SUCCESS && !*appValue)
1008         {
1009             rc = ACTION_AppSearchReg(package, appValue, sig);
1010             if (rc == ERROR_SUCCESS && !*appValue)
1011             {
1012                 rc = ACTION_AppSearchIni(package, appValue, sig);
1013                 if (rc == ERROR_SUCCESS && !*appValue)
1014                     rc = ACTION_AppSearchDr(package, appValue, sig);
1015             }
1016         }
1017     }
1018     return rc;
1019 }
1020
1021 static UINT iterate_appsearch(MSIRECORD *row, LPVOID param)
1022 {
1023     MSIPACKAGE *package = param;
1024     LPWSTR propName, sigName, value = NULL;
1025     MSISIGNATURE sig;
1026     UINT r;
1027
1028     /* get property and signature */
1029     propName = msi_dup_record_field(row,1);
1030     sigName = msi_dup_record_field(row,2);
1031
1032     TRACE("%s %s\n", debugstr_w(propName), debugstr_w(sigName));
1033
1034     r = ACTION_AppSearchSigName(package, sigName, &sig, &value);
1035     if (value)
1036     {
1037         MSI_SetPropertyW(package, propName, value);
1038         msi_free(value);
1039     }
1040     ACTION_FreeSignature(&sig);
1041     msi_free(propName);
1042     msi_free(sigName);
1043
1044     return r;
1045 }
1046
1047 UINT ACTION_AppSearch(MSIPACKAGE *package)
1048 {
1049     static const WCHAR query[] =  {
1050         's','e','l','e','c','t',' ','*',' ',
1051         'f','r','o','m',' ',
1052         'A','p','p','S','e','a','r','c','h',0};
1053     MSIQUERY *view = NULL;
1054     UINT r;
1055
1056     r = MSI_OpenQuery( package->db, &view, query );
1057     if (r != ERROR_SUCCESS)
1058         return ERROR_SUCCESS;
1059
1060     r = MSI_IterateRecords( view, NULL, iterate_appsearch, package );
1061     msiobj_release( &view->hdr );
1062
1063     return r;
1064 }
1065
1066 static UINT ITERATE_CCPSearch(MSIRECORD *row, LPVOID param)
1067 {
1068     MSIPACKAGE *package = param;
1069     LPCWSTR signature;
1070     LPWSTR value = NULL;
1071     MSISIGNATURE sig;
1072     UINT r = ERROR_SUCCESS;
1073
1074     static const WCHAR success[] = {'C','C','P','_','S','u','c','c','e','s','s',0};
1075     static const WCHAR one[] = {'1',0};
1076
1077     signature = MSI_RecordGetString(row, 1);
1078
1079     TRACE("%s\n", debugstr_w(signature));
1080
1081     ACTION_AppSearchSigName(package, signature, &sig, &value);
1082     if (value)
1083     {
1084         TRACE("Found signature %s\n", debugstr_w(signature));
1085         MSI_SetPropertyW(package, success, one);
1086         msi_free(value);
1087         r = ERROR_NO_MORE_ITEMS;
1088     }
1089
1090     ACTION_FreeSignature(&sig);
1091
1092     return r;
1093 }
1094
1095 UINT ACTION_CCPSearch(MSIPACKAGE *package)
1096 {
1097     static const WCHAR query[] =  {
1098         's','e','l','e','c','t',' ','*',' ',
1099         'f','r','o','m',' ',
1100         'C','C','P','S','e','a','r','c','h',0};
1101     MSIQUERY *view = NULL;
1102     UINT r;
1103
1104     r = MSI_OpenQuery(package->db, &view, query);
1105     if (r != ERROR_SUCCESS)
1106         return ERROR_SUCCESS;
1107
1108     r = MSI_IterateRecords(view, NULL, ITERATE_CCPSearch, package);
1109     msiobj_release(&view->hdr);
1110
1111     return r;
1112 }