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     if (!sig->File)
 166     {
 167         PathRemoveFileSpecW(path);
 168         PathAddBackslashW(path);
 169
 170         attr = GetFileAttributesW(path);
 171         if (attr != INVALID_FILE_ATTRIBUTES &&
 172             (attr & FILE_ATTRIBUTE_DIRECTORY))
 173             return strdupW(path);
 174
 175         return NULL;
 176     }
 177
 178     attr = GetFileAttributesW(path);
 179     if (attr == INVALID_FILE_ATTRIBUTES ||
 180         (attr & FILE_ATTRIBUTE_DIRECTORY))
 181         return NULL;
 182
 183     size = GetFileVersionInfoSizeW(path, &handle);
 184     if (!size)
 185         return strdupW(path);
 186
 187     buffer = msi_alloc(size);
 188     if (!buffer)
 189         return NULL;
 190
 191     if (!GetFileVersionInfoW(path, 0, size, buffer))
 192         goto done;
 193
 194     if (!VerQueryValueW(buffer, szBackSlash, (LPVOID)&info, &size) || !info)
 195         goto done;
 196
 197     if (sig->MinVersionLS || sig->MinVersionMS)
 198     {
 199         if (info->dwFileVersionMS < sig->MinVersionMS)
 200             goto done;
 201
 202         if (info->dwFileVersionMS == sig->MinVersionMS &&
 203             info->dwFileVersionLS < sig->MinVersionLS)
 204             goto done;
 205     }
 206
 207     if (sig->MaxVersionLS || sig->MaxVersionMS)
 208     {
 209         if (info->dwFileVersionMS > sig->MaxVersionMS)
 210             goto done;
 211
 212         if (info->dwFileVersionMS == sig->MaxVersionMS &&
 213             info->dwFileVersionLS > sig->MaxVersionLS)
 214             goto done;
 215     }
 216
 217     val = strdupW(path);
 218
 219 done:
 220     msi_free(buffer);
 221     return val;
 222 }
 223
 224 static UINT ACTION_AppSearchComponents(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 225 {
 226     static const WCHAR query[] =  {
 227         'S','E','L','E','C','T',' ','*',' ',
 228         'F','R','O','M',' ',
 229         '`','C','o','m','p','L','o','c','a','t','o','r','`',' ',
 230         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','_','`',' ','=',' ',
 231         '\'','%','s','\'',0};
 232     static const WCHAR sigquery[] = {
 233         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 234         '`','S','i','g','n','a','t','u','r','e','`',' ',
 235         'W','H','E','R','E',' ','`','S','i','g','n','a','t','u','r','e','`',' ','=',' ',
 236         '\'','%','s','\'',0};
 237
 238     MSIRECORD *row, *rec;
 239     LPCWSTR signature, guid;
 240     BOOL sigpresent = TRUE;
 241     BOOL isdir;
 242     UINT type;
 243     WCHAR path[MAX_PATH];
 244     DWORD size = MAX_PATH;
 245     LPWSTR ptr;
 246     DWORD attr;
 247
 248     TRACE("%s\n", debugstr_w(sig->Name));
 249
 250     *appValue = NULL;
 251
 252     row = MSI_QueryGetRecord(package->db, query, sig->Name);
 253     if (!row)
 254     {
 255         TRACE("failed to query CompLocator for %s\n", debugstr_w(sig->Name));
 256         return ERROR_SUCCESS;
 257     }
 258
 259     signature = MSI_RecordGetString(row, 1);
 260     guid = MSI_RecordGetString(row, 2);
 261     type = MSI_RecordGetInteger(row, 3);
 262
 263     rec = MSI_QueryGetRecord(package->db, sigquery, signature);
 264     if (!rec)
 265         sigpresent = FALSE;
 266
 267     *path = '\0';
 268     MsiLocateComponentW(guid, path, &size);
 269     if (!*path)
 270         goto done;
 271
 272     attr = GetFileAttributesW(path);
 273     if (attr == INVALID_FILE_ATTRIBUTES)
 274         goto done;
 275
 276     isdir = (attr & FILE_ATTRIBUTE_DIRECTORY);
 277
 278     if (type != msidbLocatorTypeDirectory && sigpresent && !isdir)
 279     {
 280         *appValue = app_search_file(path, sig);
 281     }
 282     else if (!sigpresent && (type != msidbLocatorTypeDirectory || isdir))
 283     {
 284         if (type == msidbLocatorTypeFileName)
 285         {
 286             ptr = strrchrW(path, '\\');
 287             *(ptr + 1) = '\0';
 288         }
 289         else
 290             PathAddBackslashW(path);
 291
 292         *appValue = strdupW(path);
 293     }
 294     else if (sigpresent)
 295     {
 296         PathAddBackslashW(path);
 297         lstrcatW(path, MSI_RecordGetString(rec, 2));
 298
 299         attr = GetFileAttributesW(path);
 300         if (attr != INVALID_FILE_ATTRIBUTES &&
 301             !(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                 UINT versionLen;
 635                 LPVOID subBlock = NULL;
 636
 637                 if (GetFileVersionInfoW(filePath, 0, size, buf))
 638                     VerQueryValueW(buf, szBackSlash, &subBlock, &versionLen);
 639                 if (subBlock)
 640                 {
 641                     VS_FIXEDFILEINFO *info = subBlock;
 642
 643                     TRACE("Comparing file version %d.%d.%d.%d:\n",
 644                      HIWORD(info->dwFileVersionMS),
 645                      LOWORD(info->dwFileVersionMS),
 646                      HIWORD(info->dwFileVersionLS),
 647                      LOWORD(info->dwFileVersionLS));
 648                     if (info->dwFileVersionMS < sig->MinVersionMS
 649                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 650                      info->dwFileVersionLS < sig->MinVersionLS))
 651                     {
 652                         TRACE("Less than minimum version %d.%d.%d.%d\n",
 653                          HIWORD(sig->MinVersionMS),
 654                          LOWORD(sig->MinVersionMS),
 655                          HIWORD(sig->MinVersionLS),
 656                          LOWORD(sig->MinVersionLS));
 657                     }
 658                     else if ((sig->MaxVersionMS || sig->MaxVersionLS) &&
 659                              (info->dwFileVersionMS > sig->MaxVersionMS ||
 660                               (info->dwFileVersionMS == sig->MaxVersionMS &&
 661                                info->dwFileVersionLS > sig->MaxVersionLS)))
 662                     {
 663                         TRACE("Greater than maximum version %d.%d.%d.%d\n",
 664                          HIWORD(sig->MaxVersionMS),
 665                          LOWORD(sig->MaxVersionMS),
 666                          HIWORD(sig->MaxVersionLS),
 667                          LOWORD(sig->MaxVersionLS));
 668                     }
 669                     else
 670                         *matches = TRUE;
 671                 }
 672                 msi_free( buf);
 673             }
 674             else
 675                 rc = ERROR_OUTOFMEMORY;
 676         }
 677     }
 678     return rc;
 679 }
 680
 681 /* Sets *matches to whether the file in findData matches that in sig.
 682  * fullFilePath is assumed to be the full path of the file specified in
 683  * findData, which may be necessary to compare the version.
 684  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 685  * something else if an install-halting error occurs.
 686  */
 687 static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
 688  const WIN32_FIND_DATAW *findData, LPCWSTR fullFilePath, BOOL *matches)
 689 {
 690     UINT rc = ERROR_SUCCESS;
 691
 692     *matches = TRUE;
 693     /* assumes the caller has already ensured the filenames match, so check
 694      * the other fields..
 695      */
 696     if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
 697     {
 698         if (findData->ftCreationTime.dwHighDateTime <
 699          sig->MinTime.dwHighDateTime ||
 700          (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
 701          && findData->ftCreationTime.dwLowDateTime <
 702          sig->MinTime.dwLowDateTime))
 703             *matches = FALSE;
 704     }
 705     if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
 706     {
 707         if (findData->ftCreationTime.dwHighDateTime >
 708          sig->MaxTime.dwHighDateTime ||
 709          (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
 710          && findData->ftCreationTime.dwLowDateTime >
 711          sig->MaxTime.dwLowDateTime))
 712             *matches = FALSE;
 713     }
 714     if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
 715         *matches = FALSE;
 716     if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
 717         *matches = FALSE;
 718     if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
 719      sig->MaxVersionMS || sig->MaxVersionLS))
 720         rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
 721     return rc;
 722 }
 723
 724 /* Recursively searches the directory dir for files that match the signature
 725  * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 726  * (and only dir).  If depth is 1, searches dir and its immediate
 727  * subdirectories.
 728  * Assumes sig->File is not NULL.
 729  * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 730  * something else on failures which should halt the install.
 731  */
 732 static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 733  MSISIGNATURE *sig, LPCWSTR dir, int depth)
 734 {
 735     HANDLE hFind;
 736     WIN32_FIND_DATAW findData;
 737     UINT rc = ERROR_SUCCESS;
 738     size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
 739     WCHAR subpath[MAX_PATH];
 740     WCHAR *buf;
 741
 742     static const WCHAR starDotStarW[] = { '*','.','*',0 };
 743
 744     TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
 745           debugstr_w(sig->File), depth);
 746
 747     if (depth < 0)
 748         return ERROR_SUCCESS;
 749
 750     *appValue = NULL;
 751     /* We need the buffer in both paths below, so go ahead and allocate it
 752      * here.  Add two because we might need to add a backslash if the dir name
 753      * isn't backslash-terminated.
 754      */
 755     buf = msi_alloc( (dirLen + max(fileLen, strlenW(starDotStarW)) + 2) * sizeof(WCHAR));
 756     if (!buf)
 757         return ERROR_OUTOFMEMORY;
 758
 759     lstrcpyW(buf, dir);
 760     PathAddBackslashW(buf);
 761     lstrcatW(buf, sig->File);
 762
 763     hFind = FindFirstFileW(buf, &findData);
 764     if (hFind != INVALID_HANDLE_VALUE)
 765     {
 766         if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
 767         {
 768             BOOL matches;
 769
 770             rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
 771             if (rc == ERROR_SUCCESS && matches)
 772             {
 773                 TRACE("found file, returning %s\n", debugstr_w(buf));
 774                 *appValue = buf;
 775             }
 776         }
 777         FindClose(hFind);
 778     }
 779
 780     if (rc == ERROR_SUCCESS && !*appValue)
 781     {
 782         lstrcpyW(buf, dir);
 783         PathAddBackslashW(buf);
 784         lstrcatW(buf, starDotStarW);
 785
 786         hFind = FindFirstFileW(buf, &findData);
 787         if (hFind != INVALID_HANDLE_VALUE)
 788         {
 789             if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
 790                 lstrcmpW(findData.cFileName, szDot) &&
 791                 lstrcmpW(findData.cFileName, szDotDot))
 792             {
 793                 lstrcpyW(subpath, dir);
 794                 PathAppendW(subpath, findData.cFileName);
 795                 rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
 796                                                    subpath, depth - 1);
 797             }
 798
 799             while (rc == ERROR_SUCCESS && !*appValue &&
 800                    FindNextFileW(hFind, &findData) != 0)
 801             {
 802                 if (!lstrcmpW(findData.cFileName, szDot) ||
 803                     !lstrcmpW(findData.cFileName, szDotDot))
 804                     continue;
 805
 806                 lstrcpyW(subpath, dir);
 807                 PathAppendW(subpath, findData.cFileName);
 808                 if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 809                     rc = ACTION_RecurseSearchDirectory(package, appValue,
 810                                                        sig, subpath, depth - 1);
 811             }
 812
 813             FindClose(hFind);
 814         }
 815     }
 816
 817     if (!*appValue)
 818         msi_free(buf);
 819
 820     return rc;
 821 }
 822
 823 static UINT ACTION_CheckDirectory(MSIPACKAGE *package, LPCWSTR dir,
 824  LPWSTR *appValue)
 825 {
 826     DWORD attr = GetFileAttributesW(dir);
 827
 828     if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 829     {
 830         TRACE("directory exists, returning %s\n", debugstr_w(dir));
 831         *appValue = strdupW(dir);
 832     }
 833
 834     return ERROR_SUCCESS;
 835 }
 836
 837 static BOOL ACTION_IsFullPath(LPCWSTR path)
 838 {
 839     WCHAR first = toupperW(path[0]);
 840     BOOL ret;
 841
 842     if (first >= 'A' && first <= 'Z' && path[1] == ':')
 843         ret = TRUE;
 844     else if (path[0] == '\\' && path[1] == '\\')
 845         ret = TRUE;
 846     else
 847         ret = FALSE;
 848     return ret;
 849 }
 850
 851 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 852  LPCWSTR path, int depth, LPWSTR *appValue)
 853 {
 854     UINT rc;
 855     DWORD attr;
 856     LPWSTR val = NULL;
 857
 858     TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth,
 859      appValue);
 860
 861     if (ACTION_IsFullPath(path))
 862     {
 863         if (sig->File)
 864             rc = ACTION_RecurseSearchDirectory(package, &val, sig, path, depth);
 865         else
 866         {
 867             /* Recursively searching a directory makes no sense when the
 868              * directory to search is the thing you're trying to find.
 869              */
 870             rc = ACTION_CheckDirectory(package, path, &val);
 871         }
 872     }
 873     else
 874     {
 875         WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
 876         DWORD drives = GetLogicalDrives();
 877         int i;
 878
 879         rc = ERROR_SUCCESS;
 880         for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
 881         {
 882             if (!(drives & (1 << i)))
 883                 continue;
 884
 885             pathWithDrive[0] = 'A' + i;
 886             if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
 887                 continue;
 888
 889             lstrcpynW(pathWithDrive + 3, path,
 890                       sizeof(pathWithDrive) / sizeof(pathWithDrive[0]) - 3);
 891
 892             if (sig->File)
 893                 rc = ACTION_RecurseSearchDirectory(package, &val, sig,
 894                                                    pathWithDrive, depth);
 895             else
 896                 rc = ACTION_CheckDirectory(package, pathWithDrive, &val);
 897         }
 898     }
 899
 900     attr = GetFileAttributesW(val);
 901     if (attr != INVALID_FILE_ATTRIBUTES &&
 902         (attr & FILE_ATTRIBUTE_DIRECTORY) &&
 903         val && val[lstrlenW(val) - 1] != '\\')
 904     {
 905         val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
 906         if (!val)
 907             rc = ERROR_OUTOFMEMORY;
 908         else
 909             PathAddBackslashW(val);
 910     }
 911
 912     *appValue = val;
 913
 914     TRACE("returning %d\n", rc);
 915     return rc;
 916 }
 917
 918 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 919  MSISIGNATURE *sig, LPWSTR *appValue);
 920
 921 static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 922 {
 923     static const WCHAR query[] =  {
 924         's','e','l','e','c','t',' ','*',' ',
 925         'f','r','o','m',' ',
 926         'D','r','L','o','c','a','t','o','r',' ',
 927         'w','h','e','r','e',' ',
 928         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 929     LPWSTR parentName = NULL, parent = NULL;
 930     WCHAR path[MAX_PATH];
 931     WCHAR expanded[MAX_PATH];
 932     MSIRECORD *row;
 933     int depth;
 934     DWORD sz, attr;
 935     UINT rc;
 936
 937     TRACE("%s\n", debugstr_w(sig->Name));
 938
 939     *appValue = NULL;
 940
 941     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 942     if (!row)
 943     {
 944         TRACE("failed to query DrLocator for %s\n", debugstr_w(sig->Name));
 945         return ERROR_SUCCESS;
 946     }
 947
 948     /* check whether parent is set */
 949     parentName = msi_dup_record_field(row,2);
 950     if (parentName)
 951     {
 952         MSISIGNATURE parentSig;
 953
 954         rc = ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
 955         ACTION_FreeSignature(&parentSig);
 956         msi_free(parentName);
 957     }
 958
 959     sz = MAX_PATH;
 960     MSI_RecordGetStringW(row, 3, path, &sz);
 961
 962     if (MSI_RecordIsNull(row,4))
 963         depth = 0;
 964     else
 965         depth = MSI_RecordGetInteger(row,4);
 966
 967     if (sz)
 968         ACTION_ExpandAnyPath(package, path, expanded, MAX_PATH);
 969     else
 970         strcpyW(expanded, path);
 971
 972     if (parent)
 973     {
 974         attr = GetFileAttributesW(parent);
 975         if (attr != INVALID_FILE_ATTRIBUTES &&
 976             !(attr & FILE_ATTRIBUTE_DIRECTORY))
 977         {
 978             PathRemoveFileSpecW(parent);
 979             PathAddBackslashW(parent);
 980         }
 981
 982         strcpyW(path, parent);
 983         strcatW(path, expanded);
 984     }
 985     else if (sz)
 986         strcpyW(path, expanded);
 987
 988     PathAddBackslashW(path);
 989
 990     rc = ACTION_SearchDirectory(package, sig, path, depth, appValue);
 991
 992     msi_free(parent);
 993     msiobj_release(&row->hdr);
 994
 995     TRACE("returning %d\n", rc);
 996     return rc;
 997 }
 998
 999 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
1000  MSISIGNATURE *sig, LPWSTR *appValue)
1001 {
1002     UINT rc;
1003
1004     *appValue = NULL;
1005     rc = ACTION_AppSearchGetSignature(package, sig, sigName);
1006     if (rc == ERROR_SUCCESS)
1007     {
1008         rc = ACTION_AppSearchComponents(package, appValue, sig);
1009         if (rc == ERROR_SUCCESS && !*appValue)
1010         {
1011             rc = ACTION_AppSearchReg(package, appValue, sig);
1012             if (rc == ERROR_SUCCESS && !*appValue)
1013             {
1014                 rc = ACTION_AppSearchIni(package, appValue, sig);
1015                 if (rc == ERROR_SUCCESS && !*appValue)
1016                     rc = ACTION_AppSearchDr(package, appValue, sig);
1017             }
1018         }
1019     }
1020     return rc;
1021 }
1022
1023 static UINT iterate_appsearch(MSIRECORD *row, LPVOID param)
1024 {
1025     MSIPACKAGE *package = param;
1026     LPWSTR propName, sigName, value = NULL;
1027     MSISIGNATURE sig;
1028     UINT r;
1029
1030     /* get property and signature */
1031     propName = msi_dup_record_field(row,1);
1032     sigName = msi_dup_record_field(row,2);
1033
1034     TRACE("%s %s\n", debugstr_w(propName), debugstr_w(sigName));
1035
1036     r = ACTION_AppSearchSigName(package, sigName, &sig, &value);
1037     if (value)
1038     {
1039         MSI_SetPropertyW(package, propName, value);
1040         msi_free(value);
1041     }
1042     ACTION_FreeSignature(&sig);
1043     msi_free(propName);
1044     msi_free(sigName);
1045
1046     return r;
1047 }
1048
1049 UINT ACTION_AppSearch(MSIPACKAGE *package)
1050 {
1051     static const WCHAR query[] =  {
1052         's','e','l','e','c','t',' ','*',' ',
1053         'f','r','o','m',' ',
1054         'A','p','p','S','e','a','r','c','h',0};
1055     MSIQUERY *view = NULL;
1056     UINT r;
1057
1058     r = MSI_OpenQuery( package->db, &view, query );
1059     if (r != ERROR_SUCCESS)
1060         return ERROR_SUCCESS;
1061
1062     r = MSI_IterateRecords( view, NULL, iterate_appsearch, package );
1063     msiobj_release( &view->hdr );
1064
1065     return r;
1066 }
1067
1068 static UINT ITERATE_CCPSearch(MSIRECORD *row, LPVOID param)
1069 {
1070     MSIPACKAGE *package = param;
1071     LPCWSTR signature;
1072     LPWSTR value = NULL;
1073     MSISIGNATURE sig;
1074     UINT r = ERROR_SUCCESS;
1075
1076     static const WCHAR success[] = {'C','C','P','_','S','u','c','c','e','s','s',0};
1077
1078     signature = MSI_RecordGetString(row, 1);
1079
1080     TRACE("%s\n", debugstr_w(signature));
1081
1082     ACTION_AppSearchSigName(package, signature, &sig, &value);
1083     if (value)
1084     {
1085         TRACE("Found signature %s\n", debugstr_w(signature));
1086         MSI_SetPropertyW(package, success, szOne);
1087         msi_free(value);
1088         r = ERROR_NO_MORE_ITEMS;
1089     }
1090
1091     ACTION_FreeSignature(&sig);
1092
1093     return r;
1094 }
1095
1096 UINT ACTION_CCPSearch(MSIPACKAGE *package)
1097 {
1098     static const WCHAR query[] =  {
1099         's','e','l','e','c','t',' ','*',' ',
1100         'f','r','o','m',' ',
1101         'C','C','P','S','e','a','r','c','h',0};
1102     MSIQUERY *view = NULL;
1103     UINT r;
1104
1105     r = MSI_OpenQuery(package->db, &view, query);
1106     if (r != ERROR_SUCCESS)
1107         return ERROR_SUCCESS;
1108
1109     r = MSI_IterateRecords(view, NULL, ITERATE_CCPSearch, package);
1110     msiobj_release(&view->hdr);
1111
1112     return r;
1113 }