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 void msi_parse_version_string(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, p;
  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     if ((p = strchrW(sig->File, '|')))
 110     {
 111         p++;
 112         memmove(sig->File, p, (strlenW(p) + 1) * sizeof(WCHAR));
 113     }
 114
 115     minVersion = msi_dup_record_field(row,3);
 116     if (minVersion)
 117     {
 118         msi_parse_version_string( minVersion, &sig->MinVersionMS, &sig->MinVersionLS );
 119         msi_free( minVersion );
 120     }
 121     maxVersion = msi_dup_record_field(row,4);
 122     if (maxVersion)
 123     {
 124         msi_parse_version_string( maxVersion, &sig->MaxVersionMS, &sig->MaxVersionLS );
 125         msi_free( maxVersion );
 126     }
 127     sig->MinSize = MSI_RecordGetInteger(row,5);
 128     if (sig->MinSize == MSI_NULL_INTEGER)
 129         sig->MinSize = 0;
 130     sig->MaxSize = MSI_RecordGetInteger(row,6);
 131     if (sig->MaxSize == MSI_NULL_INTEGER)
 132         sig->MaxSize = 0;
 133     sig->Languages = msi_dup_record_field(row,9);
 134     time = MSI_RecordGetInteger(row,7);
 135     if (time != MSI_NULL_INTEGER)
 136         DosDateTimeToFileTime(HIWORD(time), LOWORD(time), &sig->MinTime);
 137     time = MSI_RecordGetInteger(row,8);
 138     if (time != MSI_NULL_INTEGER)
 139         DosDateTimeToFileTime(HIWORD(time), LOWORD(time), &sig->MaxTime);
 140
 141     TRACE("Found file name %s for Signature_ %s;\n",
 142           debugstr_w(sig->File), debugstr_w(name));
 143     TRACE("MinVersion is %d.%d.%d.%d\n", HIWORD(sig->MinVersionMS),
 144           LOWORD(sig->MinVersionMS), HIWORD(sig->MinVersionLS),
 145           LOWORD(sig->MinVersionLS));
 146     TRACE("MaxVersion is %d.%d.%d.%d\n", HIWORD(sig->MaxVersionMS),
 147           LOWORD(sig->MaxVersionMS), HIWORD(sig->MaxVersionLS),
 148           LOWORD(sig->MaxVersionLS));
 149     TRACE("MinSize is %d, MaxSize is %d;\n", sig->MinSize, sig->MaxSize);
 150     TRACE("Languages is %s\n", debugstr_w(sig->Languages));
 151
 152     msiobj_release( &row->hdr );
 153
 154     return ERROR_SUCCESS;
 155 }
 156
 157 /* Frees any memory allocated in sig */
 158 static void ACTION_FreeSignature(MSISIGNATURE *sig)
 159 {
 160     msi_free(sig->File);
 161     msi_free(sig->Languages);
 162 }
 163
 164 static LPWSTR app_search_file(LPWSTR path, MSISIGNATURE *sig)
 165 {
 166     VS_FIXEDFILEINFO *info;
 167     DWORD attr, handle, size;
 168     LPWSTR val = NULL;
 169     LPBYTE buffer;
 170
 171     if (!sig->File)
 172     {
 173         PathRemoveFileSpecW(path);
 174         PathAddBackslashW(path);
 175
 176         attr = GetFileAttributesW(path);
 177         if (attr != INVALID_FILE_ATTRIBUTES &&
 178             (attr & FILE_ATTRIBUTE_DIRECTORY))
 179             return strdupW(path);
 180
 181         return NULL;
 182     }
 183
 184     attr = GetFileAttributesW(path);
 185     if (attr == INVALID_FILE_ATTRIBUTES ||
 186         (attr & FILE_ATTRIBUTE_DIRECTORY))
 187         return NULL;
 188
 189     size = GetFileVersionInfoSizeW(path, &handle);
 190     if (!size)
 191         return strdupW(path);
 192
 193     buffer = msi_alloc(size);
 194     if (!buffer)
 195         return NULL;
 196
 197     if (!GetFileVersionInfoW(path, 0, size, buffer))
 198         goto done;
 199
 200     if (!VerQueryValueW(buffer, szBackSlash, (LPVOID)&info, &size) || !info)
 201         goto done;
 202
 203     if (sig->MinVersionLS || sig->MinVersionMS)
 204     {
 205         if (info->dwFileVersionMS < sig->MinVersionMS)
 206             goto done;
 207
 208         if (info->dwFileVersionMS == sig->MinVersionMS &&
 209             info->dwFileVersionLS < sig->MinVersionLS)
 210             goto done;
 211     }
 212
 213     if (sig->MaxVersionLS || sig->MaxVersionMS)
 214     {
 215         if (info->dwFileVersionMS > sig->MaxVersionMS)
 216             goto done;
 217
 218         if (info->dwFileVersionMS == sig->MaxVersionMS &&
 219             info->dwFileVersionLS > sig->MaxVersionLS)
 220             goto done;
 221     }
 222
 223     val = strdupW(path);
 224
 225 done:
 226     msi_free(buffer);
 227     return val;
 228 }
 229
 230 static UINT ACTION_AppSearchComponents(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 231 {
 232     static const WCHAR query[] =  {
 233         'S','E','L','E','C','T',' ','*',' ',
 234         'F','R','O','M',' ',
 235         '`','C','o','m','p','L','o','c','a','t','o','r','`',' ',
 236         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','_','`',' ','=',' ',
 237         '\'','%','s','\'',0};
 238     static const WCHAR sigquery[] = {
 239         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 240         '`','S','i','g','n','a','t','u','r','e','`',' ',
 241         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','`',' ','=',' ',
 242         '\'','%','s','\'',0};
 243
 244     MSIRECORD *row, *rec;
 245     LPCWSTR signature, guid;
 246     BOOL sigpresent = TRUE;
 247     BOOL isdir;
 248     UINT type;
 249     WCHAR path[MAX_PATH];
 250     DWORD size = MAX_PATH;
 251     LPWSTR ptr;
 252     DWORD attr;
 253
 254     TRACE("%s\n", debugstr_w(sig->Name));
 255
 256     *appValue = NULL;
 257
 258     row = MSI_QueryGetRecord(package->db, query, sig->Name);
 259     if (!row)
 260     {
 261         TRACE("failed to query CompLocator for %s\n", debugstr_w(sig->Name));
 262         return ERROR_SUCCESS;
 263     }
 264
 265     signature = MSI_RecordGetString(row, 1);
 266     guid = MSI_RecordGetString(row, 2);
 267     type = MSI_RecordGetInteger(row, 3);
 268
 269     rec = MSI_QueryGetRecord(package->db, sigquery, signature);
 270     if (!rec)
 271         sigpresent = FALSE;
 272
 273     *path = '\0';
 274     MsiLocateComponentW(guid, path, &size);
 275     if (!*path)
 276         goto done;
 277
 278     attr = GetFileAttributesW(path);
 279     if (attr == INVALID_FILE_ATTRIBUTES)
 280         goto done;
 281
 282     isdir = (attr & FILE_ATTRIBUTE_DIRECTORY);
 283
 284     if (type != msidbLocatorTypeDirectory && sigpresent && !isdir)
 285     {
 286         *appValue = app_search_file(path, sig);
 287     }
 288     else if (!sigpresent && (type != msidbLocatorTypeDirectory || isdir))
 289     {
 290         if (type == msidbLocatorTypeFileName)
 291         {
 292             ptr = strrchrW(path, '\\');
 293             *(ptr + 1) = '\0';
 294         }
 295         else
 296             PathAddBackslashW(path);
 297
 298         *appValue = strdupW(path);
 299     }
 300     else if (sigpresent)
 301     {
 302         PathAddBackslashW(path);
 303         lstrcatW(path, MSI_RecordGetString(rec, 2));
 304
 305         attr = GetFileAttributesW(path);
 306         if (attr != INVALID_FILE_ATTRIBUTES &&
 307             !(attr & FILE_ATTRIBUTE_DIRECTORY))
 308             *appValue = strdupW(path);
 309     }
 310
 311 done:
 312     if (rec) msiobj_release(&rec->hdr);
 313     msiobj_release(&row->hdr);
 314     return ERROR_SUCCESS;
 315 }
 316
 317 static void ACTION_ConvertRegValue(DWORD regType, const BYTE *value, DWORD sz,
 318  LPWSTR *appValue)
 319 {
 320     static const WCHAR dwordFmt[] = { '#','%','d','\0' };
 321     static const WCHAR binPre[] = { '#','x','\0' };
 322     static const WCHAR binFmt[] = { '%','0','2','X','\0' };
 323     LPWSTR ptr;
 324     DWORD i;
 325
 326     switch (regType)
 327     {
 328         case REG_SZ:
 329             if (*(LPCWSTR)value == '#')
 330             {
 331                 /* escape leading pound with another */
 332                 *appValue = msi_alloc(sz + sizeof(WCHAR));
 333                 (*appValue)[0] = '#';
 334                 strcpyW(*appValue + 1, (LPCWSTR)value);
 335             }
 336             else
 337             {
 338                 *appValue = msi_alloc(sz);
 339                 strcpyW(*appValue, (LPCWSTR)value);
 340             }
 341             break;
 342         case REG_DWORD:
 343             /* 7 chars for digits, 1 for NULL, 1 for #, and 1 for sign
 344              * char if needed
 345              */
 346             *appValue = msi_alloc(10 * sizeof(WCHAR));
 347             sprintfW(*appValue, dwordFmt, *(const DWORD *)value);
 348             break;
 349         case REG_EXPAND_SZ:
 350             sz = ExpandEnvironmentStringsW((LPCWSTR)value, NULL, 0);
 351             *appValue = msi_alloc(sz * sizeof(WCHAR));
 352             ExpandEnvironmentStringsW((LPCWSTR)value, *appValue, sz);
 353             break;
 354         case REG_BINARY:
 355             /* #x<nibbles>\0 */
 356             *appValue = msi_alloc((sz * 2 + 3) * sizeof(WCHAR));
 357             lstrcpyW(*appValue, binPre);
 358             ptr = *appValue + lstrlenW(binPre);
 359             for (i = 0; i < sz; i++, ptr += 2)
 360                 sprintfW(ptr, binFmt, value[i]);
 361             break;
 362         default:
 363             WARN("unimplemented for values of type %d\n", regType);
 364             *appValue = NULL;
 365     }
 366 }
 367
 368 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 369  LPCWSTR path, int depth, LPWSTR *appValue);
 370
 371 static UINT ACTION_AppSearchReg(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 372 {
 373     static const WCHAR query[] =  {
 374         's','e','l','e','c','t',' ','*',' ',
 375         'f','r','o','m',' ',
 376         'R','e','g','L','o','c','a','t','o','r',' ',
 377         'w','h','e','r','e',' ',
 378         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 379     LPWSTR keyPath = NULL, valueName = NULL;
 380     LPWSTR deformatted = NULL;
 381     LPWSTR ptr = NULL, end;
 382     int root, type;
 383     HKEY rootKey, key = NULL;
 384     DWORD sz = 0, regType;
 385     LPBYTE value = NULL;
 386     MSIRECORD *row;
 387     UINT rc;
 388
 389     TRACE("%s\n", debugstr_w(sig->Name));
 390
 391     *appValue = NULL;
 392
 393     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 394     if (!row)
 395     {
 396         TRACE("failed to query RegLocator for %s\n", debugstr_w(sig->Name));
 397         return ERROR_SUCCESS;
 398     }
 399
 400     root = MSI_RecordGetInteger(row,2);
 401     keyPath = msi_dup_record_field(row,3);
 402     valueName = msi_dup_record_field(row,4);
 403     type = MSI_RecordGetInteger(row,5);
 404
 405     deformat_string(package, keyPath, &deformatted);
 406
 407     switch (root)
 408     {
 409     case msidbRegistryRootClassesRoot:
 410         rootKey = HKEY_CLASSES_ROOT;
 411         break;
 412     case msidbRegistryRootCurrentUser:
 413         rootKey = HKEY_CURRENT_USER;
 414         break;
 415     case msidbRegistryRootLocalMachine:
 416         rootKey = HKEY_LOCAL_MACHINE;
 417         break;
 418     case msidbRegistryRootUsers:
 419         rootKey = HKEY_USERS;
 420         break;
 421     default:
 422         WARN("Unknown root key %d\n", root);
 423         goto end;
 424     }
 425
 426     rc = RegOpenKeyW(rootKey, deformatted, &key);
 427     if (rc)
 428     {
 429         TRACE("RegOpenKeyW returned %d\n", rc);
 430         goto end;
 431     }
 432
 433     rc = RegQueryValueExW(key, valueName, NULL, NULL, NULL, &sz);
 434     if (rc)
 435     {
 436         TRACE("RegQueryValueExW returned %d\n", rc);
 437         goto end;
 438     }
 439     /* FIXME: sanity-check sz before allocating (is there an upper-limit
 440      * on the value of a property?)
 441      */
 442     value = msi_alloc( sz );
 443     rc = RegQueryValueExW(key, valueName, NULL, &regType, value, &sz);
 444     if (rc)
 445     {
 446         TRACE("RegQueryValueExW returned %d\n", rc);
 447         goto end;
 448     }
 449
 450     /* bail out if the registry key is empty */
 451     if (sz == 0)
 452         goto end;
 453
 454     if ((regType == REG_SZ || regType == REG_EXPAND_SZ) &&
 455         (ptr = strchrW((LPWSTR)value, '"')) && (end = strchrW(++ptr, '"')))
 456         *end = '\0';
 457     else
 458         ptr = (LPWSTR)value;
 459
 460     switch (type & 0x0f)
 461     {
 462     case msidbLocatorTypeDirectory:
 463         rc = ACTION_SearchDirectory(package, sig, ptr, 0, appValue);
 464         break;
 465     case msidbLocatorTypeFileName:
 466         *appValue = app_search_file(ptr, sig);
 467         break;
 468     case msidbLocatorTypeRawValue:
 469         ACTION_ConvertRegValue(regType, value, sz, appValue);
 470         break;
 471     default:
 472         FIXME("unimplemented for type %d (key path %s, value %s)\n",
 473               type, debugstr_w(keyPath), debugstr_w(valueName));
 474     }
 475 end:
 476     msi_free( value );
 477     RegCloseKey( key );
 478
 479     msi_free( keyPath );
 480     msi_free( valueName );
 481     msi_free( deformatted );
 482
 483     msiobj_release(&row->hdr);
 484
 485     return ERROR_SUCCESS;
 486 }
 487
 488 static LPWSTR get_ini_field(LPWSTR buf, int field)
 489 {
 490     LPWSTR beg, end;
 491     int i = 1;
 492
 493     if (field == 0)
 494         return strdupW(buf);
 495
 496     beg = buf;
 497     while ((end = strchrW(beg, ',')) && i < field)
 498     {
 499         beg = end + 1;
 500         while (*beg && *beg == ' ')
 501             beg++;
 502
 503         i++;
 504     }
 505
 506     end = strchrW(beg, ',');
 507     if (!end)
 508         end = beg + lstrlenW(beg);
 509
 510     *end = '\0';
 511     return strdupW(beg);
 512 }
 513
 514 static UINT ACTION_AppSearchIni(MSIPACKAGE *package, LPWSTR *appValue,
 515  MSISIGNATURE *sig)
 516 {
 517     static const WCHAR query[] =  {
 518         's','e','l','e','c','t',' ','*',' ',
 519         'f','r','o','m',' ',
 520         'I','n','i','L','o','c','a','t','o','r',' ',
 521         'w','h','e','r','e',' ',
 522         'S','i','g','n','a','t','u','r','e','_',' ','=',' ','\'','%','s','\'',0};
 523     MSIRECORD *row;
 524     LPWSTR fileName, section, key;
 525     int field, type;
 526     WCHAR buf[MAX_PATH];
 527
 528     TRACE("%s\n", debugstr_w(sig->Name));
 529
 530     *appValue = NULL;
 531
 532     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 533     if (!row)
 534     {
 535         TRACE("failed to query IniLocator for %s\n", debugstr_w(sig->Name));
 536         return ERROR_SUCCESS;
 537     }
 538
 539     fileName = msi_dup_record_field(row, 2);
 540     section = msi_dup_record_field(row, 3);
 541     key = msi_dup_record_field(row, 4);
 542     field = MSI_RecordGetInteger(row, 5);
 543     type = MSI_RecordGetInteger(row, 6);
 544     if (field == MSI_NULL_INTEGER)
 545         field = 0;
 546     if (type == MSI_NULL_INTEGER)
 547         type = 0;
 548
 549     GetPrivateProfileStringW(section, key, NULL, buf, MAX_PATH, fileName);
 550     if (buf[0])
 551     {
 552         switch (type & 0x0f)
 553         {
 554         case msidbLocatorTypeDirectory:
 555             ACTION_SearchDirectory(package, sig, buf, 0, appValue);
 556             break;
 557         case msidbLocatorTypeFileName:
 558             *appValue = app_search_file(buf, sig);
 559             break;
 560         case msidbLocatorTypeRawValue:
 561             *appValue = get_ini_field(buf, field);
 562             break;
 563         }
 564     }
 565
 566     msi_free(fileName);
 567     msi_free(section);
 568     msi_free(key);
 569
 570     msiobj_release(&row->hdr);
 571
 572     return ERROR_SUCCESS;
 573 }
 574
 575 /* Expands the value in src into a path without property names and only
 576  * containing long path names into dst.  Replaces at most len characters of dst,
 577  * and always NULL-terminates dst if dst is not NULL and len >= 1.
 578  * May modify src.
 579  * Assumes src and dst are non-overlapping.
 580  * FIXME: return code probably needed:
 581  * - what does AppSearch return if the table values are invalid?
 582  * - what if dst is too small?
 583  */
 584 static void ACTION_ExpandAnyPath(MSIPACKAGE *package, WCHAR *src, WCHAR *dst,
 585  size_t len)
 586 {
 587     WCHAR *ptr, *deformatted;
 588
 589     if (!src || !dst || !len)
 590     {
 591         if (dst) *dst = '\0';
 592         return;
 593     }
 594
 595     dst[0] = '\0';
 596
 597     /* Ignore the short portion of the path */
 598     if ((ptr = strchrW(src, '|')))
 599         ptr++;
 600     else
 601         ptr = src;
 602
 603     deformat_string(package, ptr, &deformatted);
 604     if (!deformatted || strlenW(deformatted) > len - 1)
 605     {
 606         msi_free(deformatted);
 607         return;
 608     }
 609
 610     lstrcpyW(dst, deformatted);
 611     dst[lstrlenW(deformatted)] = '\0';
 612     msi_free(deformatted);
 613 }
 614
 615 /* Sets *matches to whether the file (whose path is filePath) matches the
 616  * versions set in sig.
 617  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 618  * something else if an install-halting error occurs.
 619  */
 620 static UINT ACTION_FileVersionMatches(const MSISIGNATURE *sig, LPCWSTR filePath,
 621  BOOL *matches)
 622 {
 623     UINT rc = ERROR_SUCCESS;
 624
 625     *matches = FALSE;
 626     if (sig->Languages)
 627     {
 628         FIXME(": need to check version for languages %s\n",
 629          debugstr_w(sig->Languages));
 630     }
 631     else
 632     {
 633         DWORD zero, size = GetFileVersionInfoSizeW(filePath, &zero);
 634
 635         if (size)
 636         {
 637             LPVOID buf = msi_alloc( size);
 638
 639             if (buf)
 640             {
 641                 UINT versionLen;
 642                 LPVOID subBlock = NULL;
 643
 644                 if (GetFileVersionInfoW(filePath, 0, size, buf))
 645                     VerQueryValueW(buf, szBackSlash, &subBlock, &versionLen);
 646                 if (subBlock)
 647                 {
 648                     VS_FIXEDFILEINFO *info = subBlock;
 649
 650                     TRACE("Comparing file version %d.%d.%d.%d:\n",
 651                      HIWORD(info->dwFileVersionMS),
 652                      LOWORD(info->dwFileVersionMS),
 653                      HIWORD(info->dwFileVersionLS),
 654                      LOWORD(info->dwFileVersionLS));
 655                     if (info->dwFileVersionMS < sig->MinVersionMS
 656                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 657                      info->dwFileVersionLS < sig->MinVersionLS))
 658                     {
 659                         TRACE("Less than minimum version %d.%d.%d.%d\n",
 660                          HIWORD(sig->MinVersionMS),
 661                          LOWORD(sig->MinVersionMS),
 662                          HIWORD(sig->MinVersionLS),
 663                          LOWORD(sig->MinVersionLS));
 664                     }
 665                     else if ((sig->MaxVersionMS || sig->MaxVersionLS) &&
 666                              (info->dwFileVersionMS > sig->MaxVersionMS ||
 667                               (info->dwFileVersionMS == sig->MaxVersionMS &&
 668                                info->dwFileVersionLS > sig->MaxVersionLS)))
 669                     {
 670                         TRACE("Greater than maximum version %d.%d.%d.%d\n",
 671                          HIWORD(sig->MaxVersionMS),
 672                          LOWORD(sig->MaxVersionMS),
 673                          HIWORD(sig->MaxVersionLS),
 674                          LOWORD(sig->MaxVersionLS));
 675                     }
 676                     else
 677                         *matches = TRUE;
 678                 }
 679                 msi_free( buf);
 680             }
 681             else
 682                 rc = ERROR_OUTOFMEMORY;
 683         }
 684     }
 685     return rc;
 686 }
 687
 688 /* Sets *matches to whether the file in findData matches that in sig.
 689  * fullFilePath is assumed to be the full path of the file specified in
 690  * findData, which may be necessary to compare the version.
 691  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 692  * something else if an install-halting error occurs.
 693  */
 694 static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
 695  const WIN32_FIND_DATAW *findData, LPCWSTR fullFilePath, BOOL *matches)
 696 {
 697     UINT rc = ERROR_SUCCESS;
 698
 699     *matches = TRUE;
 700     /* assumes the caller has already ensured the filenames match, so check
 701      * the other fields..
 702      */
 703     if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
 704     {
 705         if (findData->ftCreationTime.dwHighDateTime <
 706          sig->MinTime.dwHighDateTime ||
 707          (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
 708          && findData->ftCreationTime.dwLowDateTime <
 709          sig->MinTime.dwLowDateTime))
 710             *matches = FALSE;
 711     }
 712     if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
 713     {
 714         if (findData->ftCreationTime.dwHighDateTime >
 715          sig->MaxTime.dwHighDateTime ||
 716          (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
 717          && findData->ftCreationTime.dwLowDateTime >
 718          sig->MaxTime.dwLowDateTime))
 719             *matches = FALSE;
 720     }
 721     if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
 722         *matches = FALSE;
 723     if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
 724         *matches = FALSE;
 725     if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
 726      sig->MaxVersionMS || sig->MaxVersionLS))
 727         rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
 728     return rc;
 729 }
 730
 731 /* Recursively searches the directory dir for files that match the signature
 732  * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 733  * (and only dir).  If depth is 1, searches dir and its immediate
 734  * subdirectories.
 735  * Assumes sig->File is not NULL.
 736  * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 737  * something else on failures which should halt the install.
 738  */
 739 static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 740  MSISIGNATURE *sig, LPCWSTR dir, int depth)
 741 {
 742     HANDLE hFind;
 743     WIN32_FIND_DATAW findData;
 744     UINT rc = ERROR_SUCCESS;
 745     size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
 746     WCHAR subpath[MAX_PATH];
 747     WCHAR *buf;
 748     DWORD len;
 749
 750     static const WCHAR starDotStarW[] = { '*','.','*',0 };
 751
 752     TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
 753           debugstr_w(sig->File), depth);
 754
 755     if (depth < 0)
 756         return ERROR_SUCCESS;
 757
 758     *appValue = NULL;
 759     /* We need the buffer in both paths below, so go ahead and allocate it
 760      * here.  Add two because we might need to add a backslash if the dir name
 761      * isn't backslash-terminated.
 762      */
 763     len = dirLen + max(fileLen, strlenW(starDotStarW)) + 2;
 764     buf = msi_alloc(len * sizeof(WCHAR));
 765     if (!buf)
 766         return ERROR_OUTOFMEMORY;
 767
 768     lstrcpyW(buf, dir);
 769     PathAddBackslashW(buf);
 770     lstrcatW(buf, sig->File);
 771
 772     hFind = FindFirstFileW(buf, &findData);
 773     if (hFind != INVALID_HANDLE_VALUE)
 774     {
 775         if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
 776         {
 777             BOOL matches;
 778
 779             rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
 780             if (rc == ERROR_SUCCESS && matches)
 781             {
 782                 TRACE("found file, returning %s\n", debugstr_w(buf));
 783                 *appValue = buf;
 784             }
 785         }
 786         FindClose(hFind);
 787     }
 788
 789     if (rc == ERROR_SUCCESS && !*appValue)
 790     {
 791         lstrcpyW(buf, dir);
 792         PathAddBackslashW(buf);
 793         lstrcatW(buf, starDotStarW);
 794
 795         hFind = FindFirstFileW(buf, &findData);
 796         if (hFind != INVALID_HANDLE_VALUE)
 797         {
 798             if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
 799                 strcmpW( findData.cFileName, szDot ) &&
 800                 strcmpW( findData.cFileName, szDotDot ))
 801             {
 802                 lstrcpyW(subpath, dir);
 803                 PathAppendW(subpath, findData.cFileName);
 804                 rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
 805                                                    subpath, depth - 1);
 806             }
 807
 808             while (rc == ERROR_SUCCESS && !*appValue &&
 809                    FindNextFileW(hFind, &findData) != 0)
 810             {
 811                 if (!strcmpW( findData.cFileName, szDot ) ||
 812                     !strcmpW( findData.cFileName, szDotDot ))
 813                     continue;
 814
 815                 lstrcpyW(subpath, dir);
 816                 PathAppendW(subpath, findData.cFileName);
 817                 if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 818                     rc = ACTION_RecurseSearchDirectory(package, appValue,
 819                                                        sig, subpath, depth - 1);
 820             }
 821
 822             FindClose(hFind);
 823         }
 824     }
 825
 826     if (*appValue != buf)
 827         msi_free(buf);
 828
 829     return rc;
 830 }
 831
 832 static UINT ACTION_CheckDirectory(MSIPACKAGE *package, LPCWSTR dir,
 833  LPWSTR *appValue)
 834 {
 835     DWORD attr = GetFileAttributesW(dir);
 836
 837     if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 838     {
 839         TRACE("directory exists, returning %s\n", debugstr_w(dir));
 840         *appValue = strdupW(dir);
 841     }
 842
 843     return ERROR_SUCCESS;
 844 }
 845
 846 static BOOL ACTION_IsFullPath(LPCWSTR path)
 847 {
 848     WCHAR first = toupperW(path[0]);
 849     BOOL ret;
 850
 851     if (first >= 'A' && first <= 'Z' && path[1] == ':')
 852         ret = TRUE;
 853     else if (path[0] == '\\' && path[1] == '\\')
 854         ret = TRUE;
 855     else
 856         ret = FALSE;
 857     return ret;
 858 }
 859
 860 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 861  LPCWSTR path, int depth, LPWSTR *appValue)
 862 {
 863     UINT rc;
 864     DWORD attr;
 865     LPWSTR val = NULL;
 866
 867     TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth,
 868      appValue);
 869
 870     if (ACTION_IsFullPath(path))
 871     {
 872         if (sig->File)
 873             rc = ACTION_RecurseSearchDirectory(package, &val, sig, path, depth);
 874         else
 875         {
 876             /* Recursively searching a directory makes no sense when the
 877              * directory to search is the thing you're trying to find.
 878              */
 879             rc = ACTION_CheckDirectory(package, path, &val);
 880         }
 881     }
 882     else
 883     {
 884         WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
 885         DWORD drives = GetLogicalDrives();
 886         int i;
 887
 888         rc = ERROR_SUCCESS;
 889         for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
 890         {
 891             if (!(drives & (1 << i)))
 892                 continue;
 893
 894             pathWithDrive[0] = 'A' + i;
 895             if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
 896                 continue;
 897
 898             lstrcpynW(pathWithDrive + 3, path,
 899                       sizeof(pathWithDrive) / sizeof(pathWithDrive[0]) - 3);
 900
 901             if (sig->File)
 902                 rc = ACTION_RecurseSearchDirectory(package, &val, sig,
 903                                                    pathWithDrive, depth);
 904             else
 905                 rc = ACTION_CheckDirectory(package, pathWithDrive, &val);
 906         }
 907     }
 908
 909     attr = GetFileAttributesW(val);
 910     if (attr != INVALID_FILE_ATTRIBUTES &&
 911         (attr & FILE_ATTRIBUTE_DIRECTORY) &&
 912         val && val[lstrlenW(val) - 1] != '\\')
 913     {
 914         val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
 915         if (!val)
 916             rc = ERROR_OUTOFMEMORY;
 917         else
 918             PathAddBackslashW(val);
 919     }
 920
 921     *appValue = val;
 922
 923     TRACE("returning %d\n", rc);
 924     return rc;
 925 }
 926
 927 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 928  MSISIGNATURE *sig, LPWSTR *appValue);
 929
 930 static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 931 {
 932     static const WCHAR query[] =  {
 933         's','e','l','e','c','t',' ','*',' ',
 934         'f','r','o','m',' ',
 935         'D','r','L','o','c','a','t','o','r',' ',
 936         'w','h','e','r','e',' ',
 937         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 938     LPWSTR parent = NULL;
 939     LPCWSTR parentName;
 940     WCHAR path[MAX_PATH];
 941     WCHAR expanded[MAX_PATH];
 942     MSIRECORD *row;
 943     int depth;
 944     DWORD sz, attr;
 945     UINT rc;
 946
 947     TRACE("%s\n", debugstr_w(sig->Name));
 948
 949     *appValue = NULL;
 950
 951     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 952     if (!row)
 953     {
 954         TRACE("failed to query DrLocator for %s\n", debugstr_w(sig->Name));
 955         return ERROR_SUCCESS;
 956     }
 957
 958     /* check whether parent is set */
 959     parentName = MSI_RecordGetString(row, 2);
 960     if (parentName)
 961     {
 962         MSISIGNATURE parentSig;
 963
 964         rc = ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
 965         ACTION_FreeSignature(&parentSig);
 966         if (!parent)
 967         {
 968             msiobj_release(&row->hdr);
 969             return ERROR_SUCCESS;
 970         }
 971     }
 972
 973     sz = MAX_PATH;
 974     MSI_RecordGetStringW(row, 3, path, &sz);
 975
 976     if (MSI_RecordIsNull(row,4))
 977         depth = 0;
 978     else
 979         depth = MSI_RecordGetInteger(row,4);
 980
 981     if (sz)
 982         ACTION_ExpandAnyPath(package, path, expanded, MAX_PATH);
 983     else
 984         strcpyW(expanded, path);
 985
 986     if (parent)
 987     {
 988         attr = GetFileAttributesW(parent);
 989         if (attr != INVALID_FILE_ATTRIBUTES &&
 990             !(attr & FILE_ATTRIBUTE_DIRECTORY))
 991         {
 992             PathRemoveFileSpecW(parent);
 993             PathAddBackslashW(parent);
 994         }
 995
 996         strcpyW(path, parent);
 997         strcatW(path, expanded);
 998     }
 999     else if (sz)
1000         strcpyW(path, expanded);
1001
1002     PathAddBackslashW(path);
1003
1004     rc = ACTION_SearchDirectory(package, sig, path, depth, appValue);
1005
1006     msi_free(parent);
1007     msiobj_release(&row->hdr);
1008
1009     TRACE("returning %d\n", rc);
1010     return rc;
1011 }
1012
1013 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
1014  MSISIGNATURE *sig, LPWSTR *appValue)
1015 {
1016     UINT rc;
1017
1018     *appValue = NULL;
1019     rc = ACTION_AppSearchGetSignature(package, sig, sigName);
1020     if (rc == ERROR_SUCCESS)
1021     {
1022         rc = ACTION_AppSearchComponents(package, appValue, sig);
1023         if (rc == ERROR_SUCCESS && !*appValue)
1024         {
1025             rc = ACTION_AppSearchReg(package, appValue, sig);
1026             if (rc == ERROR_SUCCESS && !*appValue)
1027             {
1028                 rc = ACTION_AppSearchIni(package, appValue, sig);
1029                 if (rc == ERROR_SUCCESS && !*appValue)
1030                     rc = ACTION_AppSearchDr(package, appValue, sig);
1031             }
1032         }
1033     }
1034     return rc;
1035 }
1036
1037 static UINT iterate_appsearch(MSIRECORD *row, LPVOID param)
1038 {
1039     MSIPACKAGE *package = param;
1040     LPCWSTR propName, sigName;
1041     LPWSTR value = NULL;
1042     MSISIGNATURE sig;
1043     MSIRECORD *uirow;
1044     UINT r;
1045
1046     /* get property and signature */
1047     propName = MSI_RecordGetString(row, 1);
1048     sigName = MSI_RecordGetString(row, 2);
1049
1050     TRACE("%s %s\n", debugstr_w(propName), debugstr_w(sigName));
1051
1052     r = ACTION_AppSearchSigName(package, sigName, &sig, &value);
1053     if (value)
1054     {
1055         r = msi_set_property( package->db, propName, value );
1056         if (r == ERROR_SUCCESS && !strcmpW( propName, cszSourceDir ))
1057             msi_reset_folders( package, TRUE );
1058
1059         msi_free(value);
1060     }
1061     ACTION_FreeSignature(&sig);
1062
1063     uirow = MSI_CreateRecord( 2 );
1064     MSI_RecordSetStringW( uirow, 1, propName );
1065     MSI_RecordSetStringW( uirow, 2, sigName );
1066     ui_actiondata( package, szAppSearch, uirow );
1067     msiobj_release( &uirow->hdr );
1068
1069     return r;
1070 }
1071
1072 UINT ACTION_AppSearch(MSIPACKAGE *package)
1073 {
1074     static const WCHAR query[] =  {
1075         's','e','l','e','c','t',' ','*',' ',
1076         'f','r','o','m',' ',
1077         'A','p','p','S','e','a','r','c','h',0};
1078     MSIQUERY *view = NULL;
1079     UINT r;
1080
1081     if (check_unique_action(package, szAppSearch))
1082     {
1083         TRACE("Skipping AppSearch action: already done in UI sequence\n");
1084         return ERROR_SUCCESS;
1085     }
1086     else
1087         register_unique_action(package, szAppSearch);
1088
1089     r = MSI_OpenQuery( package->db, &view, query );
1090     if (r != ERROR_SUCCESS)
1091         return ERROR_SUCCESS;
1092
1093     r = MSI_IterateRecords( view, NULL, iterate_appsearch, package );
1094     msiobj_release( &view->hdr );
1095
1096     return r;
1097 }
1098
1099 static UINT ITERATE_CCPSearch(MSIRECORD *row, LPVOID param)
1100 {
1101     MSIPACKAGE *package = param;
1102     LPCWSTR signature;
1103     LPWSTR value = NULL;
1104     MSISIGNATURE sig;
1105     UINT r = ERROR_SUCCESS;
1106
1107     static const WCHAR success[] = {'C','C','P','_','S','u','c','c','e','s','s',0};
1108
1109     signature = MSI_RecordGetString(row, 1);
1110
1111     TRACE("%s\n", debugstr_w(signature));
1112
1113     ACTION_AppSearchSigName(package, signature, &sig, &value);
1114     if (value)
1115     {
1116         TRACE("Found signature %s\n", debugstr_w(signature));
1117         msi_set_property(package->db, success, szOne);
1118         msi_free(value);
1119         r = ERROR_NO_MORE_ITEMS;
1120     }
1121
1122     ACTION_FreeSignature(&sig);
1123
1124     return r;
1125 }
1126
1127 UINT ACTION_CCPSearch(MSIPACKAGE *package)
1128 {
1129     static const WCHAR query[] =  {
1130         's','e','l','e','c','t',' ','*',' ',
1131         'f','r','o','m',' ',
1132         'C','C','P','S','e','a','r','c','h',0};
1133     MSIQUERY *view = NULL;
1134     UINT r;
1135
1136     if (check_unique_action(package, szCCPSearch))
1137     {
1138         TRACE("Skipping AppSearch action: already done in UI sequence\n");
1139         return ERROR_SUCCESS;
1140     }
1141     else
1142         register_unique_action(package, szCCPSearch);
1143
1144     r = MSI_OpenQuery(package->db, &view, query);
1145     if (r != ERROR_SUCCESS)
1146         return ERROR_SUCCESS;
1147
1148     r = MSI_IterateRecords(view, NULL, ITERATE_CCPSearch, package);
1149     msiobj_release(&view->hdr);
1150
1151     return r;
1152 }