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     if (ls) *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',' ','*',' ','F','R','O','M',' ',
 375         'R','e','g','L','o','c','a','t','o','r',' ','W','H','E','R','E',' ',
 376         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 377     const WCHAR *keyPath, *valueName;
 378     WCHAR *deformatted = NULL, *ptr = NULL, *end;
 379     int root, type;
 380     HKEY rootKey, key = NULL;
 381     DWORD sz = 0, regType;
 382     LPBYTE value = NULL;
 383     MSIRECORD *row;
 384     UINT rc;
 385
 386     TRACE("%s\n", debugstr_w(sig->Name));
 387
 388     *appValue = NULL;
 389
 390     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 391     if (!row)
 392     {
 393         TRACE("failed to query RegLocator for %s\n", debugstr_w(sig->Name));
 394         return ERROR_SUCCESS;
 395     }
 396
 397     root = MSI_RecordGetInteger(row, 2);
 398     keyPath = MSI_RecordGetString(row, 3);
 399     valueName = MSI_RecordGetString(row, 4);
 400     type = MSI_RecordGetInteger(row, 5);
 401
 402     deformat_string(package, keyPath, &deformatted);
 403
 404     switch (root)
 405     {
 406     case msidbRegistryRootClassesRoot:
 407         rootKey = HKEY_CLASSES_ROOT;
 408         break;
 409     case msidbRegistryRootCurrentUser:
 410         rootKey = HKEY_CURRENT_USER;
 411         break;
 412     case msidbRegistryRootLocalMachine:
 413         rootKey = HKEY_LOCAL_MACHINE;
 414         break;
 415     case msidbRegistryRootUsers:
 416         rootKey = HKEY_USERS;
 417         break;
 418     default:
 419         WARN("Unknown root key %d\n", root);
 420         goto end;
 421     }
 422
 423     rc = RegOpenKeyW(rootKey, deformatted, &key);
 424     if (rc)
 425     {
 426         TRACE("RegOpenKeyW returned %d\n", rc);
 427         goto end;
 428     }
 429
 430     msi_free(deformatted);
 431     deformat_string(package, valueName, &deformatted);
 432
 433     rc = RegQueryValueExW(key, deformatted, 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, deformatted, 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         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     msi_free( deformatted );
 479
 480     msiobj_release(&row->hdr);
 481     return ERROR_SUCCESS;
 482 }
 483
 484 static LPWSTR get_ini_field(LPWSTR buf, int field)
 485 {
 486     LPWSTR beg, end;
 487     int i = 1;
 488
 489     if (field == 0)
 490         return strdupW(buf);
 491
 492     beg = buf;
 493     while ((end = strchrW(beg, ',')) && i < field)
 494     {
 495         beg = end + 1;
 496         while (*beg && *beg == ' ')
 497             beg++;
 498
 499         i++;
 500     }
 501
 502     end = strchrW(beg, ',');
 503     if (!end)
 504         end = beg + lstrlenW(beg);
 505
 506     *end = '\0';
 507     return strdupW(beg);
 508 }
 509
 510 static UINT ACTION_AppSearchIni(MSIPACKAGE *package, LPWSTR *appValue,
 511  MSISIGNATURE *sig)
 512 {
 513     static const WCHAR query[] =  {
 514         's','e','l','e','c','t',' ','*',' ',
 515         'f','r','o','m',' ',
 516         'I','n','i','L','o','c','a','t','o','r',' ',
 517         'w','h','e','r','e',' ',
 518         'S','i','g','n','a','t','u','r','e','_',' ','=',' ','\'','%','s','\'',0};
 519     MSIRECORD *row;
 520     LPWSTR fileName, section, key;
 521     int field, type;
 522     WCHAR buf[MAX_PATH];
 523
 524     TRACE("%s\n", debugstr_w(sig->Name));
 525
 526     *appValue = NULL;
 527
 528     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 529     if (!row)
 530     {
 531         TRACE("failed to query IniLocator for %s\n", debugstr_w(sig->Name));
 532         return ERROR_SUCCESS;
 533     }
 534
 535     fileName = msi_dup_record_field(row, 2);
 536     section = msi_dup_record_field(row, 3);
 537     key = msi_dup_record_field(row, 4);
 538     field = MSI_RecordGetInteger(row, 5);
 539     type = MSI_RecordGetInteger(row, 6);
 540     if (field == MSI_NULL_INTEGER)
 541         field = 0;
 542     if (type == MSI_NULL_INTEGER)
 543         type = 0;
 544
 545     GetPrivateProfileStringW(section, key, NULL, buf, MAX_PATH, fileName);
 546     if (buf[0])
 547     {
 548         switch (type & 0x0f)
 549         {
 550         case msidbLocatorTypeDirectory:
 551             ACTION_SearchDirectory(package, sig, buf, 0, appValue);
 552             break;
 553         case msidbLocatorTypeFileName:
 554             *appValue = app_search_file(buf, sig);
 555             break;
 556         case msidbLocatorTypeRawValue:
 557             *appValue = get_ini_field(buf, field);
 558             break;
 559         }
 560     }
 561
 562     msi_free(fileName);
 563     msi_free(section);
 564     msi_free(key);
 565
 566     msiobj_release(&row->hdr);
 567
 568     return ERROR_SUCCESS;
 569 }
 570
 571 /* Expands the value in src into a path without property names and only
 572  * containing long path names into dst.  Replaces at most len characters of dst,
 573  * and always NULL-terminates dst if dst is not NULL and len >= 1.
 574  * May modify src.
 575  * Assumes src and dst are non-overlapping.
 576  * FIXME: return code probably needed:
 577  * - what does AppSearch return if the table values are invalid?
 578  * - what if dst is too small?
 579  */
 580 static void ACTION_ExpandAnyPath(MSIPACKAGE *package, WCHAR *src, WCHAR *dst,
 581  size_t len)
 582 {
 583     WCHAR *ptr, *deformatted;
 584
 585     if (!src || !dst || !len)
 586     {
 587         if (dst) *dst = '\0';
 588         return;
 589     }
 590
 591     dst[0] = '\0';
 592
 593     /* Ignore the short portion of the path */
 594     if ((ptr = strchrW(src, '|')))
 595         ptr++;
 596     else
 597         ptr = src;
 598
 599     deformat_string(package, ptr, &deformatted);
 600     if (!deformatted || strlenW(deformatted) > len - 1)
 601     {
 602         msi_free(deformatted);
 603         return;
 604     }
 605
 606     lstrcpyW(dst, deformatted);
 607     dst[lstrlenW(deformatted)] = '\0';
 608     msi_free(deformatted);
 609 }
 610
 611 /* Sets *matches to whether the file (whose path is filePath) matches the
 612  * versions set in sig.
 613  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 614  * something else if an install-halting error occurs.
 615  */
 616 static UINT ACTION_FileVersionMatches(const MSISIGNATURE *sig, LPCWSTR filePath,
 617  BOOL *matches)
 618 {
 619     UINT rc = ERROR_SUCCESS;
 620
 621     *matches = FALSE;
 622     if (sig->Languages)
 623     {
 624         FIXME(": need to check version for languages %s\n",
 625          debugstr_w(sig->Languages));
 626     }
 627     else
 628     {
 629         DWORD zero, size = GetFileVersionInfoSizeW(filePath, &zero);
 630
 631         if (size)
 632         {
 633             LPVOID buf = msi_alloc( size);
 634
 635             if (buf)
 636             {
 637                 UINT versionLen;
 638                 LPVOID subBlock = NULL;
 639
 640                 if (GetFileVersionInfoW(filePath, 0, size, buf))
 641                     VerQueryValueW(buf, szBackSlash, &subBlock, &versionLen);
 642                 if (subBlock)
 643                 {
 644                     VS_FIXEDFILEINFO *info = subBlock;
 645
 646                     TRACE("Comparing file version %d.%d.%d.%d:\n",
 647                      HIWORD(info->dwFileVersionMS),
 648                      LOWORD(info->dwFileVersionMS),
 649                      HIWORD(info->dwFileVersionLS),
 650                      LOWORD(info->dwFileVersionLS));
 651                     if (info->dwFileVersionMS < sig->MinVersionMS
 652                      || (info->dwFileVersionMS == sig->MinVersionMS &&
 653                      info->dwFileVersionLS < sig->MinVersionLS))
 654                     {
 655                         TRACE("Less than minimum version %d.%d.%d.%d\n",
 656                          HIWORD(sig->MinVersionMS),
 657                          LOWORD(sig->MinVersionMS),
 658                          HIWORD(sig->MinVersionLS),
 659                          LOWORD(sig->MinVersionLS));
 660                     }
 661                     else if ((sig->MaxVersionMS || sig->MaxVersionLS) &&
 662                              (info->dwFileVersionMS > sig->MaxVersionMS ||
 663                               (info->dwFileVersionMS == sig->MaxVersionMS &&
 664                                info->dwFileVersionLS > sig->MaxVersionLS)))
 665                     {
 666                         TRACE("Greater than maximum version %d.%d.%d.%d\n",
 667                          HIWORD(sig->MaxVersionMS),
 668                          LOWORD(sig->MaxVersionMS),
 669                          HIWORD(sig->MaxVersionLS),
 670                          LOWORD(sig->MaxVersionLS));
 671                     }
 672                     else
 673                         *matches = TRUE;
 674                 }
 675                 msi_free( buf);
 676             }
 677             else
 678                 rc = ERROR_OUTOFMEMORY;
 679         }
 680     }
 681     return rc;
 682 }
 683
 684 /* Sets *matches to whether the file in findData matches that in sig.
 685  * fullFilePath is assumed to be the full path of the file specified in
 686  * findData, which may be necessary to compare the version.
 687  * Return ERROR_SUCCESS in case of success (whether or not the file matches),
 688  * something else if an install-halting error occurs.
 689  */
 690 static UINT ACTION_FileMatchesSig(const MSISIGNATURE *sig,
 691  const WIN32_FIND_DATAW *findData, LPCWSTR fullFilePath, BOOL *matches)
 692 {
 693     UINT rc = ERROR_SUCCESS;
 694
 695     *matches = TRUE;
 696     /* assumes the caller has already ensured the filenames match, so check
 697      * the other fields..
 698      */
 699     if (sig->MinTime.dwLowDateTime || sig->MinTime.dwHighDateTime)
 700     {
 701         if (findData->ftCreationTime.dwHighDateTime <
 702          sig->MinTime.dwHighDateTime ||
 703          (findData->ftCreationTime.dwHighDateTime == sig->MinTime.dwHighDateTime
 704          && findData->ftCreationTime.dwLowDateTime <
 705          sig->MinTime.dwLowDateTime))
 706             *matches = FALSE;
 707     }
 708     if (*matches && (sig->MaxTime.dwLowDateTime || sig->MaxTime.dwHighDateTime))
 709     {
 710         if (findData->ftCreationTime.dwHighDateTime >
 711          sig->MaxTime.dwHighDateTime ||
 712          (findData->ftCreationTime.dwHighDateTime == sig->MaxTime.dwHighDateTime
 713          && findData->ftCreationTime.dwLowDateTime >
 714          sig->MaxTime.dwLowDateTime))
 715             *matches = FALSE;
 716     }
 717     if (*matches && sig->MinSize && findData->nFileSizeLow < sig->MinSize)
 718         *matches = FALSE;
 719     if (*matches && sig->MaxSize && findData->nFileSizeLow > sig->MaxSize)
 720         *matches = FALSE;
 721     if (*matches && (sig->MinVersionMS || sig->MinVersionLS ||
 722      sig->MaxVersionMS || sig->MaxVersionLS))
 723         rc = ACTION_FileVersionMatches(sig, fullFilePath, matches);
 724     return rc;
 725 }
 726
 727 /* Recursively searches the directory dir for files that match the signature
 728  * sig, up to (depth + 1) levels deep.  That is, if depth is 0, it searches dir
 729  * (and only dir).  If depth is 1, searches dir and its immediate
 730  * subdirectories.
 731  * Assumes sig->File is not NULL.
 732  * Returns ERROR_SUCCESS on success (which may include non-critical errors),
 733  * something else on failures which should halt the install.
 734  */
 735 static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
 736  MSISIGNATURE *sig, LPCWSTR dir, int depth)
 737 {
 738     HANDLE hFind;
 739     WIN32_FIND_DATAW findData;
 740     UINT rc = ERROR_SUCCESS;
 741     size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
 742     WCHAR subpath[MAX_PATH];
 743     WCHAR *buf;
 744     DWORD len;
 745
 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     len = dirLen + max(fileLen, strlenW(starDotStarW)) + 2;
 760     buf = msi_alloc(len * sizeof(WCHAR));
 761     if (!buf)
 762         return ERROR_OUTOFMEMORY;
 763
 764     lstrcpyW(buf, dir);
 765     PathAddBackslashW(buf);
 766     lstrcatW(buf, sig->File);
 767
 768     hFind = FindFirstFileW(buf, &findData);
 769     if (hFind != INVALID_HANDLE_VALUE)
 770     {
 771         if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
 772         {
 773             BOOL matches;
 774
 775             rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
 776             if (rc == ERROR_SUCCESS && matches)
 777             {
 778                 TRACE("found file, returning %s\n", debugstr_w(buf));
 779                 *appValue = buf;
 780             }
 781         }
 782         FindClose(hFind);
 783     }
 784
 785     if (rc == ERROR_SUCCESS && !*appValue)
 786     {
 787         lstrcpyW(buf, dir);
 788         PathAddBackslashW(buf);
 789         lstrcatW(buf, starDotStarW);
 790
 791         hFind = FindFirstFileW(buf, &findData);
 792         if (hFind != INVALID_HANDLE_VALUE)
 793         {
 794             if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
 795                 strcmpW( findData.cFileName, szDot ) &&
 796                 strcmpW( findData.cFileName, szDotDot ))
 797             {
 798                 lstrcpyW(subpath, dir);
 799                 PathAppendW(subpath, findData.cFileName);
 800                 rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
 801                                                    subpath, depth - 1);
 802             }
 803
 804             while (rc == ERROR_SUCCESS && !*appValue &&
 805                    FindNextFileW(hFind, &findData) != 0)
 806             {
 807                 if (!strcmpW( findData.cFileName, szDot ) ||
 808                     !strcmpW( findData.cFileName, szDotDot ))
 809                     continue;
 810
 811                 lstrcpyW(subpath, dir);
 812                 PathAppendW(subpath, findData.cFileName);
 813                 if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 814                     rc = ACTION_RecurseSearchDirectory(package, appValue,
 815                                                        sig, subpath, depth - 1);
 816             }
 817
 818             FindClose(hFind);
 819         }
 820     }
 821
 822     if (*appValue != buf)
 823         msi_free(buf);
 824
 825     return rc;
 826 }
 827
 828 static UINT ACTION_CheckDirectory(MSIPACKAGE *package, LPCWSTR dir,
 829  LPWSTR *appValue)
 830 {
 831     DWORD attr = GetFileAttributesW(dir);
 832
 833     if (attr != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY))
 834     {
 835         TRACE("directory exists, returning %s\n", debugstr_w(dir));
 836         *appValue = strdupW(dir);
 837     }
 838
 839     return ERROR_SUCCESS;
 840 }
 841
 842 static BOOL ACTION_IsFullPath(LPCWSTR path)
 843 {
 844     WCHAR first = toupperW(path[0]);
 845     BOOL ret;
 846
 847     if (first >= 'A' && first <= 'Z' && path[1] == ':')
 848         ret = TRUE;
 849     else if (path[0] == '\\' && path[1] == '\\')
 850         ret = TRUE;
 851     else
 852         ret = FALSE;
 853     return ret;
 854 }
 855
 856 static UINT ACTION_SearchDirectory(MSIPACKAGE *package, MSISIGNATURE *sig,
 857  LPCWSTR path, int depth, LPWSTR *appValue)
 858 {
 859     UINT rc;
 860     DWORD attr;
 861     LPWSTR val = NULL;
 862
 863     TRACE("%p, %p, %s, %d, %p\n", package, sig, debugstr_w(path), depth,
 864      appValue);
 865
 866     if (ACTION_IsFullPath(path))
 867     {
 868         if (sig->File)
 869             rc = ACTION_RecurseSearchDirectory(package, &val, sig, path, depth);
 870         else
 871         {
 872             /* Recursively searching a directory makes no sense when the
 873              * directory to search is the thing you're trying to find.
 874              */
 875             rc = ACTION_CheckDirectory(package, path, &val);
 876         }
 877     }
 878     else
 879     {
 880         WCHAR pathWithDrive[MAX_PATH] = { 'C',':','\\',0 };
 881         DWORD drives = GetLogicalDrives();
 882         int i;
 883
 884         rc = ERROR_SUCCESS;
 885         for (i = 0; rc == ERROR_SUCCESS && !val && i < 26; i++)
 886         {
 887             if (!(drives & (1 << i)))
 888                 continue;
 889
 890             pathWithDrive[0] = 'A' + i;
 891             if (GetDriveTypeW(pathWithDrive) != DRIVE_FIXED)
 892                 continue;
 893
 894             lstrcpynW(pathWithDrive + 3, path,
 895                       sizeof(pathWithDrive) / sizeof(pathWithDrive[0]) - 3);
 896
 897             if (sig->File)
 898                 rc = ACTION_RecurseSearchDirectory(package, &val, sig,
 899                                                    pathWithDrive, depth);
 900             else
 901                 rc = ACTION_CheckDirectory(package, pathWithDrive, &val);
 902         }
 903     }
 904
 905     attr = GetFileAttributesW(val);
 906     if (attr != INVALID_FILE_ATTRIBUTES &&
 907         (attr & FILE_ATTRIBUTE_DIRECTORY) &&
 908         val && val[lstrlenW(val) - 1] != '\\')
 909     {
 910         val = msi_realloc(val, (lstrlenW(val) + 2) * sizeof(WCHAR));
 911         if (!val)
 912             rc = ERROR_OUTOFMEMORY;
 913         else
 914             PathAddBackslashW(val);
 915     }
 916
 917     *appValue = val;
 918
 919     TRACE("returning %d\n", rc);
 920     return rc;
 921 }
 922
 923 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
 924  MSISIGNATURE *sig, LPWSTR *appValue);
 925
 926 static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATURE *sig)
 927 {
 928     static const WCHAR query[] =  {
 929         's','e','l','e','c','t',' ','*',' ',
 930         'f','r','o','m',' ',
 931         'D','r','L','o','c','a','t','o','r',' ',
 932         'w','h','e','r','e',' ',
 933         'S','i','g','n','a','t','u','r','e','_',' ','=',' ', '\'','%','s','\'',0};
 934     LPWSTR parent = NULL;
 935     LPCWSTR parentName;
 936     WCHAR path[MAX_PATH];
 937     WCHAR expanded[MAX_PATH];
 938     MSIRECORD *row;
 939     int depth;
 940     DWORD sz, attr;
 941     UINT rc;
 942
 943     TRACE("%s\n", debugstr_w(sig->Name));
 944
 945     *appValue = NULL;
 946
 947     row = MSI_QueryGetRecord( package->db, query, sig->Name );
 948     if (!row)
 949     {
 950         TRACE("failed to query DrLocator for %s\n", debugstr_w(sig->Name));
 951         return ERROR_SUCCESS;
 952     }
 953
 954     /* check whether parent is set */
 955     parentName = MSI_RecordGetString(row, 2);
 956     if (parentName)
 957     {
 958         MSISIGNATURE parentSig;
 959
 960         ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
 961         ACTION_FreeSignature(&parentSig);
 962         if (!parent)
 963         {
 964             msiobj_release(&row->hdr);
 965             return ERROR_SUCCESS;
 966         }
 967     }
 968
 969     sz = MAX_PATH;
 970     MSI_RecordGetStringW(row, 3, path, &sz);
 971
 972     if (MSI_RecordIsNull(row,4))
 973         depth = 0;
 974     else
 975         depth = MSI_RecordGetInteger(row,4);
 976
 977     if (sz)
 978         ACTION_ExpandAnyPath(package, path, expanded, MAX_PATH);
 979     else
 980         strcpyW(expanded, path);
 981
 982     if (parent)
 983     {
 984         attr = GetFileAttributesW(parent);
 985         if (attr != INVALID_FILE_ATTRIBUTES &&
 986             !(attr & FILE_ATTRIBUTE_DIRECTORY))
 987         {
 988             PathRemoveFileSpecW(parent);
 989             PathAddBackslashW(parent);
 990         }
 991
 992         strcpyW(path, parent);
 993         strcatW(path, expanded);
 994     }
 995     else if (sz)
 996         strcpyW(path, expanded);
 997
 998     PathAddBackslashW(path);
 999
1000     rc = ACTION_SearchDirectory(package, sig, path, depth, appValue);
1001
1002     msi_free(parent);
1003     msiobj_release(&row->hdr);
1004
1005     TRACE("returning %d\n", rc);
1006     return rc;
1007 }
1008
1009 static UINT ACTION_AppSearchSigName(MSIPACKAGE *package, LPCWSTR sigName,
1010  MSISIGNATURE *sig, LPWSTR *appValue)
1011 {
1012     UINT rc;
1013
1014     *appValue = NULL;
1015     rc = ACTION_AppSearchGetSignature(package, sig, sigName);
1016     if (rc == ERROR_SUCCESS)
1017     {
1018         rc = ACTION_AppSearchComponents(package, appValue, sig);
1019         if (rc == ERROR_SUCCESS && !*appValue)
1020         {
1021             rc = ACTION_AppSearchReg(package, appValue, sig);
1022             if (rc == ERROR_SUCCESS && !*appValue)
1023             {
1024                 rc = ACTION_AppSearchIni(package, appValue, sig);
1025                 if (rc == ERROR_SUCCESS && !*appValue)
1026                     rc = ACTION_AppSearchDr(package, appValue, sig);
1027             }
1028         }
1029     }
1030     return rc;
1031 }
1032
1033 static UINT iterate_appsearch(MSIRECORD *row, LPVOID param)
1034 {
1035     MSIPACKAGE *package = param;
1036     LPCWSTR propName, sigName;
1037     LPWSTR value = NULL;
1038     MSISIGNATURE sig;
1039     MSIRECORD *uirow;
1040     UINT r;
1041
1042     /* get property and signature */
1043     propName = MSI_RecordGetString(row, 1);
1044     sigName = MSI_RecordGetString(row, 2);
1045
1046     TRACE("%s %s\n", debugstr_w(propName), debugstr_w(sigName));
1047
1048     r = ACTION_AppSearchSigName(package, sigName, &sig, &value);
1049     if (value)
1050     {
1051         r = msi_set_property( package->db, propName, value );
1052         if (r == ERROR_SUCCESS && !strcmpW( propName, szSourceDir ))
1053             msi_reset_folders( package, TRUE );
1054
1055         msi_free(value);
1056     }
1057     ACTION_FreeSignature(&sig);
1058
1059     uirow = MSI_CreateRecord( 2 );
1060     MSI_RecordSetStringW( uirow, 1, propName );
1061     MSI_RecordSetStringW( uirow, 2, sigName );
1062     msi_ui_actiondata( package, szAppSearch, uirow );
1063     msiobj_release( &uirow->hdr );
1064
1065     return r;
1066 }
1067
1068 UINT ACTION_AppSearch(MSIPACKAGE *package)
1069 {
1070     static const WCHAR query[] =  {
1071         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1072         'A','p','p','S','e','a','r','c','h',0};
1073     MSIQUERY *view;
1074     UINT r;
1075
1076     if (msi_action_is_unique(package, szAppSearch))
1077     {
1078         TRACE("Skipping AppSearch action: already done in UI sequence\n");
1079         return ERROR_SUCCESS;
1080     }
1081     else
1082         msi_register_unique_action(package, szAppSearch);
1083
1084     r = MSI_OpenQuery( package->db, &view, query );
1085     if (r != ERROR_SUCCESS)
1086         return ERROR_SUCCESS;
1087
1088     r = MSI_IterateRecords( view, NULL, iterate_appsearch, package );
1089     msiobj_release( &view->hdr );
1090     return r;
1091 }
1092
1093 static UINT ITERATE_CCPSearch(MSIRECORD *row, LPVOID param)
1094 {
1095     MSIPACKAGE *package = param;
1096     LPCWSTR signature;
1097     LPWSTR value = NULL;
1098     MSISIGNATURE sig;
1099     UINT r = ERROR_SUCCESS;
1100
1101     static const WCHAR success[] = {'C','C','P','_','S','u','c','c','e','s','s',0};
1102
1103     signature = MSI_RecordGetString(row, 1);
1104
1105     TRACE("%s\n", debugstr_w(signature));
1106
1107     ACTION_AppSearchSigName(package, signature, &sig, &value);
1108     if (value)
1109     {
1110         TRACE("Found signature %s\n", debugstr_w(signature));
1111         msi_set_property(package->db, success, szOne);
1112         msi_free(value);
1113         r = ERROR_NO_MORE_ITEMS;
1114     }
1115
1116     ACTION_FreeSignature(&sig);
1117
1118     return r;
1119 }
1120
1121 UINT ACTION_CCPSearch(MSIPACKAGE *package)
1122 {
1123     static const WCHAR query[] =  {
1124         'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
1125         'C','C','P','S','e','a','r','c','h',0};
1126     MSIQUERY *view;
1127     UINT r;
1128
1129     if (msi_action_is_unique(package, szCCPSearch))
1130     {
1131         TRACE("Skipping AppSearch action: already done in UI sequence\n");
1132         return ERROR_SUCCESS;
1133     }
1134     else
1135         msi_register_unique_action(package, szCCPSearch);
1136
1137     r = MSI_OpenQuery(package->db, &view, query);
1138     if (r != ERROR_SUCCESS)
1139         return ERROR_SUCCESS;
1140
1141     r = MSI_IterateRecords(view, NULL, ITERATE_CCPSearch, package);
1142     msiobj_release(&view->hdr);
1143     return r;
1144 }