dlls/msi/helpers.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * Here are helper functions formally in action.c that are used by a variaty of
  23  * actions and functions.
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winerror.h"
  31 #include "wine/debug.h"
  32 #include "msipriv.h"
  33 #include "winuser.h"
  34 #include "wine/unicode.h"
  35 #include "action.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  38
  39 static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
  40 static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
  41
  42 const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
  43 const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
  44 const WCHAR cszbs[]={'\\',0};
  45
  46 DWORD build_version_dword(LPCWSTR version_string)
  47 {
  48     SHORT major,minor;
  49     WORD build;
  50     DWORD rc = 0x00000000;
  51     LPCWSTR ptr1;
  52
  53     ptr1 = version_string;
  54
  55     if (!ptr1)
  56         return rc;
  57     else
  58         major = atoiW(ptr1);
  59
  60
  61     if(ptr1)
  62         ptr1 = strchrW(ptr1,'.');
  63     if (ptr1)
  64     {
  65         ptr1++;
  66         minor = atoiW(ptr1);
  67     }
  68     else
  69         minor = 0;
  70
  71     if (ptr1)
  72         ptr1 = strchrW(ptr1,'.');
  73
  74     if (ptr1)
  75     {
  76         ptr1++;
  77         build = atoiW(ptr1);
  78     }
  79     else
  80         build = 0;
  81
  82     rc = MAKELONG(build,MAKEWORD(minor,major));
  83     TRACE("%s -> 0x%lx\n",debugstr_w(version_string),rc);
  84     return rc;
  85 }
  86
  87 LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
  88 {
  89     LPWSTR SystemFolder, dest, FilePath;
  90
  91     static const WCHAR szInstaller[] =
  92         {'M','i','c','r','o','s','o','f','t','\\',
  93          'I','n','s','t','a','l','l','e','r','\\',0};
  94     static const WCHAR szFolder[] =
  95         {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
  96
  97     SystemFolder = msi_dup_property( package, szFolder );
  98
  99     dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
 100
 101     create_full_pathW(dest);
 102
 103     FilePath = build_directory_name(2, dest, icon_name);
 104
 105     msi_free(SystemFolder);
 106     msi_free(dest);
 107     return FilePath;
 108 }
 109
 110 LPWSTR msi_dup_record_field( MSIRECORD *row, INT index )
 111 {
 112     return strdupW( MSI_RecordGetString(row,index) );
 113 }
 114
 115 LPWSTR msi_dup_property(MSIPACKAGE *package, LPCWSTR prop)
 116 {
 117     DWORD sz = 0;
 118     LPWSTR str;
 119     UINT r;
 120
 121     r = MSI_GetPropertyW(package, prop, NULL, &sz);
 122     if (r != ERROR_SUCCESS && r != ERROR_MORE_DATA)
 123         return NULL;
 124
 125     sz++;
 126     str = msi_alloc(sz*sizeof(WCHAR));
 127     r = MSI_GetPropertyW(package, prop, str, &sz);
 128     if (r != ERROR_SUCCESS)
 129     {
 130         msi_free(str);
 131         str = NULL;
 132     }
 133     return str;
 134 }
 135
 136 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
 137 {
 138     MSICOMPONENT *comp;
 139
 140     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 141     {
 142         if (lstrcmpW(Component,comp->Component)==0)
 143             return comp;
 144     }
 145     return NULL;
 146 }
 147
 148 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 149 {
 150     MSIFEATURE *feature;
 151
 152     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 153     {
 154         if (lstrcmpW( Feature, feature->Feature )==0)
 155             return feature;
 156     }
 157     return NULL;
 158 }
 159
 160 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 161 {
 162     MSIFILE *file;
 163
 164     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 165     {
 166         if (lstrcmpW( key, file->File )==0)
 167             return file;
 168     }
 169     return NULL;
 170 }
 171
 172 int track_tempfile( MSIPACKAGE *package, LPCWSTR name, LPCWSTR path )
 173 {
 174     MSITEMPFILE *temp;
 175
 176     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 177     {
 178         if (lstrcmpW( name, temp->File )==0)
 179         {
 180             TRACE("tempfile %s already exists with path %s\n",
 181                 debugstr_w(temp->File), debugstr_w(temp->Path));
 182             return -1;
 183         }
 184     }
 185
 186     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 187     if (!temp)
 188         return -1;
 189
 190     list_add_head( &package->tempfiles, &temp->entry );
 191
 192     temp->File = strdupW( name );
 193     temp->Path = strdupW( path );
 194
 195     TRACE("adding tempfile %s with path %s\n",
 196            debugstr_w(temp->File), debugstr_w(temp->Path));
 197
 198     return 0;
 199 }
 200
 201 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 202 {
 203     MSIFOLDER *folder;
 204
 205     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 206     {
 207         if (lstrcmpW( dir, folder->Directory )==0)
 208             return folder;
 209     }
 210     return NULL;
 211 }
 212
 213 static LPWSTR get_source_root( MSIPACKAGE *package )
 214 {
 215     LPWSTR path, p;
 216
 217     path = msi_dup_property( package, cszSourceDir );
 218     if (path)
 219         return path;
 220
 221     path = msi_dup_property( package, cszDatabase );
 222     if (path)
 223     {
 224         p = strrchrW(path,'\\');
 225         if (p)
 226             *(p+1) = 0;
 227     }
 228     return path;
 229 }
 230
 231 /*
 232  * clean_spaces_from_path()
 233  *
 234  * removes spaces from the beginning and end of path segments
 235  * removes multiple \\ characters
 236  */
 237 static void clean_spaces_from_path( LPWSTR p )
 238 {
 239     LPWSTR q = p;
 240     int n, len = 0;
 241
 242     while (1)
 243     {
 244         /* copy until the end of the string or a space */
 245         while (*p != ' ' && (*q = *p))
 246         {
 247             p++, len++;
 248             /* reduce many backslashes to one */
 249             if (*p != '\\' || *q != '\\')
 250                 q++;
 251         }
 252
 253         /* quit at the end of the string */
 254         if (!*p)
 255             break;
 256
 257         /* count the number of spaces */
 258         n = 0;
 259         while (p[n] == ' ')
 260             n++;
 261
 262         /* if it's leading or trailing space, skip it */
 263         if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
 264             p += n;
 265         else  /* copy n spaces */
 266             while (n && (*q++ = *p++)) n--;
 267     }
 268 }
 269
 270 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 271                       BOOL set_prop, MSIFOLDER **folder)
 272 {
 273     MSIFOLDER *f;
 274     LPWSTR p, path = NULL;
 275
 276     TRACE("Working to resolve %s\n",debugstr_w(name));
 277
 278     if (!name)
 279         return NULL;
 280
 281     /* special resolving for Target and Source root dir */
 282     if (strcmpW(name,cszTargetDir)==0 || strcmpW(name,cszSourceDir)==0)
 283     {
 284         if (!source)
 285         {
 286             LPWSTR check_path;
 287             check_path = msi_dup_property( package, cszTargetDir );
 288             if (!check_path)
 289             {
 290                 check_path = msi_dup_property( package, cszRootDrive );
 291                 if (set_prop)
 292                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 293             }
 294
 295             /* correct misbuilt target dir */
 296             path = build_directory_name(2, check_path, NULL);
 297             clean_spaces_from_path( path );
 298             if (strcmpiW(path,check_path)!=0)
 299                 MSI_SetPropertyW(package,cszTargetDir,path);
 300             msi_free(check_path);
 301         }
 302         else
 303             path = get_source_root( package );
 304         if (folder)
 305             *folder = get_loaded_folder( package, name );
 306         return path;
 307     }
 308
 309     f = get_loaded_folder( package, name );
 310     if (!f)
 311         return NULL;
 312
 313     if (folder)
 314         *folder = f;
 315
 316     if (!source && f->ResolvedTarget)
 317     {
 318         path = strdupW( f->ResolvedTarget );
 319         TRACE("   already resolved to %s\n",debugstr_w(path));
 320         return path;
 321     }
 322     else if (source && f->ResolvedSource)
 323     {
 324         path = strdupW( f->ResolvedSource );
 325         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 326         return path;
 327     }
 328     else if (!source && f->Property)
 329     {
 330         path = build_directory_name( 2, f->Property, NULL );
 331
 332         TRACE("   internally set to %s\n",debugstr_w(path));
 333         if (set_prop)
 334             MSI_SetPropertyW( package, name, path );
 335         return path;
 336     }
 337
 338     if (f->Parent)
 339     {
 340         LPWSTR parent = f->Parent->Directory;
 341
 342         TRACE(" ! Parent is %s\n", debugstr_w(parent));
 343
 344         p = resolve_folder(package, parent, source, set_prop, NULL);
 345         if (!source)
 346         {
 347             TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 348
 349             path = build_directory_name( 3, p, f->TargetDefault, NULL );
 350             clean_spaces_from_path( path );
 351             f->ResolvedTarget = strdupW( path );
 352             TRACE("target -> %s\n", debugstr_w(path));
 353             if (set_prop)
 354                 MSI_SetPropertyW(package,name,path);
 355         }
 356         else
 357         {
 358             /* source may be in a few different places ... check each of them */
 359             path = NULL;
 360
 361             /* try the long path directory */
 362             if (f->SourceLongPath)
 363             {
 364                 path = build_directory_name( 3, p, f->SourceLongPath, NULL );
 365                 if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 366                 {
 367                     msi_free( path );
 368                     path = NULL;
 369                 }
 370             }
 371
 372             /* try the short path directory */
 373             if (!path && f->SourceShortPath)
 374             {
 375                 path = build_directory_name( 3, p, f->SourceShortPath, NULL );
 376                 if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 377                 {
 378                     msi_free( path );
 379                     path = NULL;
 380                 }
 381             }
 382
 383             /* try the root of the install */
 384             if (!path)
 385                 path = get_source_root( package );
 386
 387             TRACE("source -> %s\n", debugstr_w(path));
 388             f->ResolvedSource = strdupW( path );
 389         }
 390         msi_free(p);
 391     }
 392     return path;
 393 }
 394
 395 /* wrapper to resist a need for a full rewrite right now */
 396 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 397 {
 398     if (ptr)
 399     {
 400         MSIRECORD *rec = MSI_CreateRecord(1);
 401         DWORD size = 0;
 402
 403         MSI_RecordSetStringW(rec,0,ptr);
 404         MSI_FormatRecordW(package,rec,NULL,&size);
 405         if (size >= 0)
 406         {
 407             size++;
 408             *data = msi_alloc(size*sizeof(WCHAR));
 409             if (size > 1)
 410                 MSI_FormatRecordW(package,rec,*data,&size);
 411             else
 412                 *data[0] = 0;
 413             msiobj_release( &rec->hdr );
 414             return sizeof(WCHAR)*size;
 415         }
 416         msiobj_release( &rec->hdr );
 417     }
 418
 419     *data = NULL;
 420     return 0;
 421 }
 422
 423 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 424 {
 425     UINT count;
 426     LPWSTR *newbuf = NULL;
 427     if (script >= TOTAL_SCRIPTS)
 428     {
 429         FIXME("Unknown script requested %i\n",script);
 430         return ERROR_FUNCTION_FAILED;
 431     }
 432     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 433
 434     count = package->script->ActionCount[script];
 435     package->script->ActionCount[script]++;
 436     if (count != 0)
 437         newbuf = msi_realloc( package->script->Actions[script],
 438                         package->script->ActionCount[script]* sizeof(LPWSTR));
 439     else
 440         newbuf = msi_alloc( sizeof(LPWSTR));
 441
 442     newbuf[count] = strdupW(action);
 443     package->script->Actions[script] = newbuf;
 444
 445    return ERROR_SUCCESS;
 446 }
 447
 448 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 449 {
 450     struct list *item, *cursor;
 451
 452     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 453     {
 454         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 455
 456         list_remove( &temp->entry );
 457         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 458         DeleteFileW( temp->Path );
 459         msi_free( temp->File );
 460         msi_free( temp->Path );
 461         msi_free( temp );
 462     }
 463 }
 464
 465 static void free_feature( MSIFEATURE *feature )
 466 {
 467     struct list *item, *cursor;
 468
 469     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 470     {
 471         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 472         list_remove( &cl->entry );
 473         msi_free( cl );
 474     }
 475     msi_free( feature->Feature );
 476     msi_free( feature->Feature_Parent );
 477     msi_free( feature->Directory );
 478     msi_free( feature->Description );
 479     msi_free( feature->Title );
 480     msi_free( feature );
 481 }
 482
 483 void free_extension( MSIEXTENSION *ext )
 484 {
 485     struct list *item, *cursor;
 486
 487     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 488     {
 489         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 490
 491         list_remove( &verb->entry );
 492         msi_free( verb->Verb );
 493         msi_free( verb->Command );
 494         msi_free( verb->Argument );
 495         msi_free( verb );
 496     }
 497
 498     msi_free( ext->Extension );
 499     msi_free( ext->ProgIDText );
 500     msi_free( ext );
 501 }
 502
 503 /* Called when the package is being closed */
 504 void ACTION_free_package_structures( MSIPACKAGE* package)
 505 {
 506     INT i;
 507     struct list *item, *cursor;
 508
 509     TRACE("Freeing package action data\n");
 510
 511     remove_tracked_tempfiles(package);
 512
 513     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 514     {
 515         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 516         list_remove( &feature->entry );
 517         free_feature( feature );
 518     }
 519
 520     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 521     {
 522         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 523
 524         list_remove( &folder->entry );
 525         msi_free( folder->Directory );
 526         msi_free( folder->TargetDefault );
 527         msi_free( folder->SourceLongPath );
 528         msi_free( folder->SourceShortPath );
 529         msi_free( folder->ResolvedTarget );
 530         msi_free( folder->ResolvedSource );
 531         msi_free( folder->Property );
 532         msi_free( folder );
 533     }
 534
 535     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 536     {
 537         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 538
 539         list_remove( &comp->entry );
 540         msi_free( comp->Component );
 541         msi_free( comp->ComponentId );
 542         msi_free( comp->Directory );
 543         msi_free( comp->Condition );
 544         msi_free( comp->KeyPath );
 545         msi_free( comp->FullKeypath );
 546         msi_free( comp );
 547     }
 548
 549     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 550     {
 551         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 552
 553         list_remove( &file->entry );
 554         msi_free( file->File );
 555         msi_free( file->FileName );
 556         msi_free( file->ShortName );
 557         msi_free( file->LongName );
 558         msi_free( file->Version );
 559         msi_free( file->Language );
 560         msi_free( file->SourcePath );
 561         msi_free( file->TargetPath );
 562         msi_free( file );
 563     }
 564
 565     /* clean up extension, progid, class and verb structures */
 566     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 567     {
 568         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 569
 570         list_remove( &cls->entry );
 571         msi_free( cls->clsid );
 572         msi_free( cls->Context );
 573         msi_free( cls->Description );
 574         msi_free( cls->FileTypeMask );
 575         msi_free( cls->IconPath );
 576         msi_free( cls->DefInprocHandler );
 577         msi_free( cls->DefInprocHandler32 );
 578         msi_free( cls->Argument );
 579         msi_free( cls->ProgIDText );
 580         msi_free( cls );
 581     }
 582
 583     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 584     {
 585         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 586
 587         list_remove( &ext->entry );
 588         free_extension( ext );
 589     }
 590
 591     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 592     {
 593         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 594
 595         list_remove( &progid->entry );
 596         msi_free( progid->ProgID );
 597         msi_free( progid->Description );
 598         msi_free( progid->IconPath );
 599         msi_free( progid );
 600     }
 601
 602     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 603     {
 604         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 605
 606         list_remove( &mt->entry );
 607         msi_free( mt->clsid );
 608         msi_free( mt->ContentType );
 609         msi_free( mt );
 610     }
 611
 612     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 613     {
 614         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 615
 616         list_remove( &appid->entry );
 617         msi_free( appid->AppID );
 618         msi_free( appid->RemoteServerName );
 619         msi_free( appid->LocalServer );
 620         msi_free( appid->ServiceParameters );
 621         msi_free( appid->DllSurrogate );
 622         msi_free( appid );
 623     }
 624
 625     if (package->script)
 626     {
 627         for (i = 0; i < TOTAL_SCRIPTS; i++)
 628         {
 629             int j;
 630             for (j = 0; j < package->script->ActionCount[i]; j++)
 631                 msi_free(package->script->Actions[i][j]);
 632
 633             msi_free(package->script->Actions[i]);
 634         }
 635
 636         for (i = 0; i < package->script->UniqueActionsCount; i++)
 637             msi_free(package->script->UniqueActions[i]);
 638
 639         msi_free(package->script->UniqueActions);
 640         msi_free(package->script);
 641     }
 642
 643     msi_free(package->PackagePath);
 644     msi_free(package->ProductCode);
 645     msi_free(package->ActionFormat);
 646     msi_free(package->LastAction);
 647
 648     /* cleanup control event subscriptions */
 649     ControlEvent_CleanupSubscriptions(package);
 650 }
 651
 652 /*
 653  *  build_directory_name()
 654  *
 655  *  This function is to save messing round with directory names
 656  *  It handles adding backslashes between path segments,
 657  *   and can add \ at the end of the directory name if told to.
 658  *
 659  *  It takes a variable number of arguments.
 660  *  It always allocates a new string for the result, so make sure
 661  *   to free the return value when finished with it.
 662  *
 663  *  The first arg is the number of path segments that follow.
 664  *  The arguments following count are a list of path segments.
 665  *  A path segment may be NULL.
 666  *
 667  *  Path segments will be added with a \ separating them.
 668  *  A \ will not be added after the last segment, however if the
 669  *    last segment is NULL, then the last character will be a \
 670  *
 671  */
 672 LPWSTR build_directory_name(DWORD count, ...)
 673 {
 674     DWORD sz = 1, i;
 675     LPWSTR dir;
 676     va_list va;
 677
 678     va_start(va,count);
 679     for(i=0; i<count; i++)
 680     {
 681         LPCWSTR str = va_arg(va,LPCWSTR);
 682         if (str)
 683             sz += strlenW(str) + 1;
 684     }
 685     va_end(va);
 686
 687     dir = msi_alloc(sz*sizeof(WCHAR));
 688     dir[0]=0;
 689
 690     va_start(va,count);
 691     for(i=0; i<count; i++)
 692     {
 693         LPCWSTR str = va_arg(va,LPCWSTR);
 694         if (!str)
 695             continue;
 696         strcatW(dir, str);
 697         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 698             strcatW(dir, cszbs);
 699     }
 700     return dir;
 701 }
 702
 703 /***********************************************************************
 704  *            create_full_pathW
 705  *
 706  * Recursively create all directories in the path.
 707  *
 708  * shamelessly stolen from setupapi/queue.c
 709  */
 710 BOOL create_full_pathW(const WCHAR *path)
 711 {
 712     BOOL ret = TRUE;
 713     int len;
 714     WCHAR *new_path;
 715
 716     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 717
 718     strcpyW(new_path, path);
 719
 720     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 721     new_path[len - 1] = 0;
 722
 723     while(!CreateDirectoryW(new_path, NULL))
 724     {
 725         WCHAR *slash;
 726         DWORD last_error = GetLastError();
 727         if(last_error == ERROR_ALREADY_EXISTS)
 728             break;
 729
 730         if(last_error != ERROR_PATH_NOT_FOUND)
 731         {
 732             ret = FALSE;
 733             break;
 734         }
 735
 736         if(!(slash = strrchrW(new_path, '\\')))
 737         {
 738             ret = FALSE;
 739             break;
 740         }
 741
 742         len = slash - new_path;
 743         new_path[len] = 0;
 744         if(!create_full_pathW(new_path))
 745         {
 746             ret = FALSE;
 747             break;
 748         }
 749         new_path[len] = '\\';
 750     }
 751
 752     msi_free(new_path);
 753     return ret;
 754 }
 755
 756 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 757 {
 758     MSIRECORD * row;
 759
 760     row = MSI_CreateRecord(4);
 761     MSI_RecordSetInteger(row,1,a);
 762     MSI_RecordSetInteger(row,2,b);
 763     MSI_RecordSetInteger(row,3,c);
 764     MSI_RecordSetInteger(row,4,d);
 765     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 766     msiobj_release(&row->hdr);
 767
 768     msi_dialog_check_messages(NULL);
 769 }
 770
 771 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 772 {
 773     static const WCHAR Query_t[] =
 774         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 775          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 776          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 777          ' ','\'','%','s','\'',0};
 778     WCHAR message[1024];
 779     MSIRECORD * row = 0;
 780     DWORD size;
 781
 782     if (!package->LastAction || strcmpW(package->LastAction,action))
 783     {
 784         row = MSI_QueryGetRecord(package->db, Query_t, action);
 785         if (!row)
 786             return;
 787
 788         if (MSI_RecordIsNull(row,3))
 789         {
 790             msiobj_release(&row->hdr);
 791             return;
 792         }
 793
 794         /* update the cached actionformat */
 795         msi_free(package->ActionFormat);
 796         package->ActionFormat = msi_dup_record_field(row,3);
 797
 798         msi_free(package->LastAction);
 799         package->LastAction = strdupW(action);
 800
 801         msiobj_release(&row->hdr);
 802     }
 803
 804     MSI_RecordSetStringW(record,0,package->ActionFormat);
 805     size = 1024;
 806     MSI_FormatRecordW(package,record,message,&size);
 807
 808     row = MSI_CreateRecord(1);
 809     MSI_RecordSetStringW(row,1,message);
 810
 811     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 812
 813     msiobj_release(&row->hdr);
 814 }
 815
 816 BOOL ACTION_VerifyComponentForAction( MSICOMPONENT* comp, INSTALLSTATE check )
 817 {
 818     if (!comp)
 819         return FALSE;
 820
 821     if (comp->Installed == check)
 822         return FALSE;
 823
 824     if (comp->ActionRequest == check)
 825         return TRUE;
 826     else
 827         return FALSE;
 828 }
 829
 830 BOOL ACTION_VerifyFeatureForAction( MSIFEATURE* feature, INSTALLSTATE check )
 831 {
 832     if (!feature)
 833         return FALSE;
 834
 835     if (feature->Installed == check)
 836         return FALSE;
 837
 838     if (feature->ActionRequest == check)
 839         return TRUE;
 840     else
 841         return FALSE;
 842 }
 843
 844 void reduce_to_longfilename(WCHAR* filename)
 845 {
 846     LPWSTR p = strchrW(filename,'|');
 847     if (p)
 848         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 849 }
 850
 851 void reduce_to_shortfilename(WCHAR* filename)
 852 {
 853     LPWSTR p = strchrW(filename,'|');
 854     if (p)
 855         *p = 0;
 856 }
 857
 858 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 859                 MSICOMPONENT* component, LPCWSTR feature)
 860 {
 861     static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
 862     WCHAR productid_85[21], component_85[21];
 863     LPWSTR output = NULL;
 864     DWORD sz = 0;
 865     GUID clsid;
 866
 867     /* > is used if there is a component GUID and < if not.  */
 868
 869     productid_85[0] = 0;
 870     component_85[0] = 0;
 871
 872     CLSIDFromString(package->ProductCode, &clsid);
 873     encode_base85_guid(&clsid, productid_85);
 874
 875     if (component)
 876     {
 877         CLSIDFromString(component->ComponentId, &clsid);
 878         encode_base85_guid(&clsid, component_85);
 879     }
 880
 881     TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
 882           debugstr_w(feature), debugstr_w(component_85));
 883
 884     sz = 20 + lstrlenW(feature) + 20 + 3;
 885
 886     output = msi_alloc_zero(sz*sizeof(WCHAR));
 887
 888     sprintfW(output, fmt, productid_85, feature,
 889              component?'>':'<', component_85);
 890
 891     return output;
 892 }
 893
 894 /* update compoennt state based on a feature change */
 895 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 896 {
 897     INSTALLSTATE newstate;
 898     MSIFEATURE *feature;
 899     ComponentList *cl;
 900
 901     feature = get_loaded_feature(package,szFeature);
 902     if (!feature)
 903         return;
 904
 905     newstate = feature->ActionRequest;
 906
 907     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 908     {
 909         MSICOMPONENT* component = cl->component;
 910
 911         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 912             newstate, debugstr_w(component->Component), component->Installed,
 913             component->Action, component->ActionRequest);
 914
 915         if (!component->Enabled)
 916             continue;
 917
 918         if (newstate == INSTALLSTATE_LOCAL)
 919         {
 920             component->ActionRequest = INSTALLSTATE_LOCAL;
 921             component->Action = INSTALLSTATE_LOCAL;
 922         }
 923         else
 924         {
 925             ComponentList *clist;
 926             MSIFEATURE *f;
 927
 928             component->ActionRequest = newstate;
 929             component->Action = newstate;
 930
 931             /*if any other feature wants is local we need to set it local*/
 932             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 933             {
 934                 if ( component->ActionRequest != INSTALLSTATE_LOCAL )
 935                     break;
 936
 937                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 938                 {
 939                     if ( clist->component == component )
 940                     {
 941                         if (f->ActionRequest == INSTALLSTATE_LOCAL)
 942                         {
 943                             TRACE("Saved by %s\n", debugstr_w(f->Feature));
 944                             component->ActionRequest = INSTALLSTATE_LOCAL;
 945                             component->Action = INSTALLSTATE_LOCAL;
 946                         }
 947                         break;
 948                     }
 949                 }
 950             }
 951         }
 952         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 953             newstate, debugstr_w(component->Component), component->Installed,
 954             component->Action, component->ActionRequest);
 955     }
 956 }
 957
 958 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 959 {
 960     UINT count;
 961     LPWSTR *newbuf = NULL;
 962
 963     if (!package->script)
 964         return FALSE;
 965
 966     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 967
 968     count = package->script->UniqueActionsCount;
 969     package->script->UniqueActionsCount++;
 970     if (count != 0)
 971         newbuf = msi_realloc( package->script->UniqueActions,
 972                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 973     else
 974         newbuf = msi_alloc( sizeof(LPWSTR));
 975
 976     newbuf[count] = strdupW(action);
 977     package->script->UniqueActions = newbuf;
 978
 979     return ERROR_SUCCESS;
 980 }
 981
 982 BOOL check_unique_action(MSIPACKAGE *package, LPCWSTR action)
 983 {
 984     INT i;
 985
 986     if (!package->script)
 987         return FALSE;
 988
 989     for (i = 0; i < package->script->UniqueActionsCount; i++)
 990         if (!strcmpW(package->script->UniqueActions[i],action))
 991             return TRUE;
 992
 993     return FALSE;
 994 }
 995
 996 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 997 {
 998     static const WCHAR query[] = {'S','E','L','E','C','T',' ','`','M','e','s','s','a','g','e','`',' ','F','R','O','M',' ','`','E','r','r','o','r','`',' ','W','H','E','R','E',' ','`','E','r','r','o','r','`',' ','=',' ','%','i',0};
 999
1000     MSIRECORD *rec;
1001     MSIRECORD *row;
1002     DWORD size = 0;
1003     DWORD i;
1004     va_list va;
1005     LPCWSTR str;
1006     LPWSTR data;
1007
1008     row = MSI_QueryGetRecord(package->db, query, error);
1009     if (!row)
1010         return 0;
1011
1012     rec = MSI_CreateRecord(count+2);
1013
1014     str = MSI_RecordGetString(row,1);
1015     MSI_RecordSetStringW(rec,0,str);
1016     msiobj_release( &row->hdr );
1017     MSI_RecordSetInteger(rec,1,error);
1018
1019     va_start(va,count);
1020     for (i = 0; i < count; i++)
1021     {
1022         str = va_arg(va,LPCWSTR);
1023         MSI_RecordSetStringW(rec,(i+2),str);
1024     }
1025     va_end(va);
1026
1027     MSI_FormatRecordW(package,rec,NULL,&size);
1028     if (size >= 0)
1029     {
1030         size++;
1031         data = msi_alloc(size*sizeof(WCHAR));
1032         if (size > 1)
1033             MSI_FormatRecordW(package,rec,data,&size);
1034         else
1035             data[0] = 0;
1036         msiobj_release( &rec->hdr );
1037         return data;
1038     }
1039
1040     msiobj_release( &rec->hdr );
1041     data = NULL;
1042     return data;
1043 }