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