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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 /*
  22  * Here are helper functions formally in action.c that are used by a variety 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 "winreg.h"
  35 #include "shlwapi.h"
  36 #include "wine/unicode.h"
  37 #include "msidefs.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  40
  41 static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
  42 static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
  43
  44 const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
  45 const WCHAR cszSOURCEDIR[] = {'S','O','U','R','C','E','D','I','R',0};
  46 const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
  47 const WCHAR cszbs[]={'\\',0};
  48
  49 LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
  50 {
  51     LPWSTR SystemFolder, dest, FilePath;
  52
  53     static const WCHAR szInstaller[] =
  54         {'M','i','c','r','o','s','o','f','t','\\',
  55          'I','n','s','t','a','l','l','e','r','\\',0};
  56     static const WCHAR szFolder[] =
  57         {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
  58
  59     SystemFolder = msi_dup_property( package, szFolder );
  60
  61     dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
  62
  63     create_full_pathW(dest);
  64
  65     FilePath = build_directory_name(2, dest, icon_name);
  66
  67     msi_free(SystemFolder);
  68     msi_free(dest);
  69     return FilePath;
  70 }
  71
  72 LPWSTR msi_dup_record_field( MSIRECORD *rec, INT field )
  73 {
  74     DWORD sz = 0;
  75     LPWSTR str;
  76     UINT r;
  77
  78     if (MSI_RecordIsNull( rec, field ))
  79         return NULL;
  80
  81     r = MSI_RecordGetStringW( rec, field, NULL, &sz );
  82     if (r != ERROR_SUCCESS)
  83         return NULL;
  84
  85     sz ++;
  86     str = msi_alloc( sz * sizeof (WCHAR) );
  87     if (!str)
  88         return str;
  89     str[0] = 0;
  90     r = MSI_RecordGetStringW( rec, field, str, &sz );
  91     if (r != ERROR_SUCCESS)
  92     {
  93         ERR("failed to get string!\n");
  94         msi_free( str );
  95         return NULL;
  96     }
  97     return str;
  98 }
  99
 100 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
 101 {
 102     MSICOMPONENT *comp;
 103
 104     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 105     {
 106         if (lstrcmpW(Component,comp->Component)==0)
 107             return comp;
 108     }
 109     return NULL;
 110 }
 111
 112 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 113 {
 114     MSIFEATURE *feature;
 115
 116     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 117     {
 118         if (lstrcmpW( Feature, feature->Feature )==0)
 119             return feature;
 120     }
 121     return NULL;
 122 }
 123
 124 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 125 {
 126     MSIFILE *file;
 127
 128     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 129     {
 130         if (lstrcmpW( key, file->File )==0)
 131             return file;
 132     }
 133     return NULL;
 134 }
 135
 136 int track_tempfile( MSIPACKAGE *package, LPCWSTR path )
 137 {
 138     MSITEMPFILE *temp;
 139
 140     TRACE("%s\n", debugstr_w(path));
 141
 142     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 143         if (!lstrcmpW( path, temp->Path ))
 144             return 0;
 145
 146     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 147     if (!temp)
 148         return -1;
 149
 150     list_add_head( &package->tempfiles, &temp->entry );
 151     temp->Path = strdupW( path );
 152
 153     return 0;
 154 }
 155
 156 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 157 {
 158     MSIFOLDER *folder;
 159
 160     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 161     {
 162         if (lstrcmpW( dir, folder->Directory )==0)
 163             return folder;
 164     }
 165     return NULL;
 166 }
 167
 168 static LPWSTR get_source_root( MSIPACKAGE *package )
 169 {
 170     LPWSTR path, p;
 171
 172     path = msi_dup_property( package, cszSourceDir );
 173     if (path)
 174         return path;
 175
 176     path = msi_dup_property( package, cszDatabase );
 177     if (path)
 178     {
 179         p = strrchrW(path,'\\');
 180         if (p)
 181             *(p+1) = 0;
 182     }
 183     return path;
 184 }
 185
 186 /*
 187  * clean_spaces_from_path()
 188  *
 189  * removes spaces from the beginning and end of path segments
 190  * removes multiple \\ characters
 191  */
 192 static void clean_spaces_from_path( LPWSTR p )
 193 {
 194     LPWSTR q = p;
 195     int n, len = 0;
 196
 197     while (1)
 198     {
 199         /* copy until the end of the string or a space */
 200         while (*p != ' ' && (*q = *p))
 201         {
 202             p++, len++;
 203             /* reduce many backslashes to one */
 204             if (*p != '\\' || *q != '\\')
 205                 q++;
 206         }
 207
 208         /* quit at the end of the string */
 209         if (!*p)
 210             break;
 211
 212         /* count the number of spaces */
 213         n = 0;
 214         while (p[n] == ' ')
 215             n++;
 216
 217         /* if it's leading or trailing space, skip it */
 218         if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
 219             p += n;
 220         else  /* copy n spaces */
 221             while (n && (*q++ = *p++)) n--;
 222     }
 223 }
 224
 225 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 226                       BOOL set_prop, BOOL load_prop, MSIFOLDER **folder)
 227 {
 228     MSIFOLDER *f;
 229     LPWSTR p, path = NULL, parent;
 230
 231     TRACE("Working to resolve %s\n",debugstr_w(name));
 232
 233     if (!name)
 234         return NULL;
 235
 236     if (!lstrcmpW(name,cszSourceDir))
 237         name = cszTargetDir;
 238
 239     f = get_loaded_folder( package, name );
 240     if (!f)
 241         return NULL;
 242
 243     /* special resolving for Target and Source root dir */
 244     if (!strcmpW(name,cszTargetDir))
 245     {
 246         if (!f->ResolvedTarget && !f->Property)
 247         {
 248             LPWSTR check_path;
 249             check_path = msi_dup_property( package, cszTargetDir );
 250             if (!check_path)
 251             {
 252                 check_path = msi_dup_property( package, cszRootDrive );
 253                 if (set_prop)
 254                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 255             }
 256
 257             /* correct misbuilt target dir */
 258             path = build_directory_name(2, check_path, NULL);
 259             clean_spaces_from_path( path );
 260             if (strcmpiW(path,check_path)!=0)
 261                 MSI_SetPropertyW(package,cszTargetDir,path);
 262             msi_free(check_path);
 263
 264             f->ResolvedTarget = path;
 265         }
 266
 267         if (!f->ResolvedSource)
 268             f->ResolvedSource = get_source_root( package );
 269     }
 270
 271     if (folder)
 272         *folder = f;
 273
 274     if (!source && f->ResolvedTarget)
 275     {
 276         path = strdupW( f->ResolvedTarget );
 277         TRACE("   already resolved to %s\n",debugstr_w(path));
 278         return path;
 279     }
 280
 281     if (source && f->ResolvedSource)
 282     {
 283         path = strdupW( f->ResolvedSource );
 284         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 285         return path;
 286     }
 287
 288     if (!source && f->Property)
 289     {
 290         path = build_directory_name( 2, f->Property, NULL );
 291
 292         TRACE("   internally set to %s\n",debugstr_w(path));
 293         if (set_prop)
 294             MSI_SetPropertyW( package, name, path );
 295         return path;
 296     }
 297
 298     if (!source && load_prop && (path = msi_dup_property( package, name )))
 299     {
 300         f->ResolvedTarget = strdupW( path );
 301         TRACE("   property set to %s\n", debugstr_w(path));
 302         return path;
 303     }
 304
 305     if (!f->Parent)
 306         return path;
 307
 308     parent = f->Parent;
 309
 310     TRACE(" ! Parent is %s\n", debugstr_w(parent));
 311
 312     p = resolve_folder(package, parent, source, set_prop, load_prop, NULL);
 313     if (!source)
 314     {
 315         TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 316
 317         path = build_directory_name( 3, p, f->TargetDefault, NULL );
 318         clean_spaces_from_path( path );
 319         f->ResolvedTarget = strdupW( path );
 320         TRACE("target -> %s\n", debugstr_w(path));
 321         if (set_prop)
 322             MSI_SetPropertyW(package,name,path);
 323     }
 324     else
 325     {
 326         path = NULL;
 327
 328         if (package->WordCount & msidbSumInfoSourceTypeCompressed)
 329             path = get_source_root( package );
 330         else if (package->WordCount & msidbSumInfoSourceTypeSFN)
 331             path = build_directory_name( 3, p, f->SourceShortPath, NULL );
 332         else
 333             path = build_directory_name( 3, p, f->SourceLongPath, NULL );
 334
 335         TRACE("source -> %s\n", debugstr_w(path));
 336         f->ResolvedSource = strdupW( path );
 337     }
 338     msi_free(p);
 339
 340     return path;
 341 }
 342
 343 /* wrapper to resist a need for a full rewrite right now */
 344 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 345 {
 346     if (ptr)
 347     {
 348         MSIRECORD *rec = MSI_CreateRecord(1);
 349         DWORD size = 0;
 350
 351         MSI_RecordSetStringW(rec,0,ptr);
 352         MSI_FormatRecordW(package,rec,NULL,&size);
 353
 354         size++;
 355         *data = msi_alloc(size*sizeof(WCHAR));
 356         if (size > 1)
 357             MSI_FormatRecordW(package,rec,*data,&size);
 358         else
 359             *data[0] = 0;
 360
 361         msiobj_release( &rec->hdr );
 362         return sizeof(WCHAR)*size;
 363     }
 364
 365     *data = NULL;
 366     return 0;
 367 }
 368
 369 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 370 {
 371     UINT count;
 372     LPWSTR *newbuf = NULL;
 373     if (script >= TOTAL_SCRIPTS)
 374     {
 375         FIXME("Unknown script requested %i\n",script);
 376         return ERROR_FUNCTION_FAILED;
 377     }
 378     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 379
 380     count = package->script->ActionCount[script];
 381     package->script->ActionCount[script]++;
 382     if (count != 0)
 383         newbuf = msi_realloc( package->script->Actions[script],
 384                         package->script->ActionCount[script]* sizeof(LPWSTR));
 385     else
 386         newbuf = msi_alloc( sizeof(LPWSTR));
 387
 388     newbuf[count] = strdupW(action);
 389     package->script->Actions[script] = newbuf;
 390
 391    return ERROR_SUCCESS;
 392 }
 393
 394 void msi_free_action_script(MSIPACKAGE *package, UINT script)
 395 {
 396     int i;
 397     for (i = 0; i < package->script->ActionCount[script]; i++)
 398         msi_free(package->script->Actions[script][i]);
 399
 400     msi_free(package->script->Actions[script]);
 401     package->script->Actions[script] = NULL;
 402     package->script->ActionCount[script] = 0;
 403 }
 404
 405 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 406 {
 407     struct list *item, *cursor;
 408
 409     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 410     {
 411         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 412
 413         list_remove( &temp->entry );
 414         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 415         if (!DeleteFileW( temp->Path ))
 416             ERR("failed to delete %s\n", debugstr_w( temp->Path ));
 417         msi_free( temp->Path );
 418         msi_free( temp );
 419     }
 420 }
 421
 422 static void free_feature( MSIFEATURE *feature )
 423 {
 424     struct list *item, *cursor;
 425
 426     LIST_FOR_EACH_SAFE( item, cursor, &feature->Children )
 427     {
 428         FeatureList *fl = LIST_ENTRY( item, FeatureList, entry );
 429         list_remove( &fl->entry );
 430         msi_free( fl );
 431     }
 432
 433     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 434     {
 435         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 436         list_remove( &cl->entry );
 437         msi_free( cl );
 438     }
 439     msi_free( feature->Feature );
 440     msi_free( feature->Feature_Parent );
 441     msi_free( feature->Directory );
 442     msi_free( feature->Description );
 443     msi_free( feature->Title );
 444     msi_free( feature );
 445 }
 446
 447 static void free_extension( MSIEXTENSION *ext )
 448 {
 449     struct list *item, *cursor;
 450
 451     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 452     {
 453         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 454
 455         list_remove( &verb->entry );
 456         msi_free( verb->Verb );
 457         msi_free( verb->Command );
 458         msi_free( verb->Argument );
 459         msi_free( verb );
 460     }
 461
 462     msi_free( ext->Extension );
 463     msi_free( ext->ProgIDText );
 464     msi_free( ext );
 465 }
 466
 467 /* Called when the package is being closed */
 468 void ACTION_free_package_structures( MSIPACKAGE* package)
 469 {
 470     INT i;
 471     struct list *item, *cursor;
 472
 473     TRACE("Freeing package action data\n");
 474
 475     remove_tracked_tempfiles(package);
 476
 477     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 478     {
 479         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 480         list_remove( &feature->entry );
 481         free_feature( feature );
 482     }
 483
 484     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 485     {
 486         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 487
 488         list_remove( &folder->entry );
 489         msi_free( folder->Parent );
 490         msi_free( folder->Directory );
 491         msi_free( folder->TargetDefault );
 492         msi_free( folder->SourceLongPath );
 493         msi_free( folder->SourceShortPath );
 494         msi_free( folder->ResolvedTarget );
 495         msi_free( folder->ResolvedSource );
 496         msi_free( folder->Property );
 497         msi_free( folder );
 498     }
 499
 500     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 501     {
 502         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 503
 504         list_remove( &comp->entry );
 505         msi_free( comp->Component );
 506         msi_free( comp->ComponentId );
 507         msi_free( comp->Directory );
 508         msi_free( comp->Condition );
 509         msi_free( comp->KeyPath );
 510         msi_free( comp->FullKeypath );
 511         msi_free( comp );
 512     }
 513
 514     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 515     {
 516         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 517
 518         list_remove( &file->entry );
 519         msi_free( file->File );
 520         msi_free( file->FileName );
 521         msi_free( file->ShortName );
 522         msi_free( file->LongName );
 523         msi_free( file->Version );
 524         msi_free( file->Language );
 525         msi_free( file->SourcePath );
 526         msi_free( file->TargetPath );
 527         msi_free( file );
 528     }
 529
 530     /* clean up extension, progid, class and verb structures */
 531     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 532     {
 533         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 534
 535         list_remove( &cls->entry );
 536         msi_free( cls->clsid );
 537         msi_free( cls->Context );
 538         msi_free( cls->Description );
 539         msi_free( cls->FileTypeMask );
 540         msi_free( cls->IconPath );
 541         msi_free( cls->DefInprocHandler );
 542         msi_free( cls->DefInprocHandler32 );
 543         msi_free( cls->Argument );
 544         msi_free( cls->ProgIDText );
 545         msi_free( cls );
 546     }
 547
 548     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 549     {
 550         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 551
 552         list_remove( &ext->entry );
 553         free_extension( ext );
 554     }
 555
 556     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 557     {
 558         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 559
 560         list_remove( &progid->entry );
 561         msi_free( progid->ProgID );
 562         msi_free( progid->Description );
 563         msi_free( progid->IconPath );
 564         msi_free( progid );
 565     }
 566
 567     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 568     {
 569         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 570
 571         list_remove( &mt->entry );
 572         msi_free( mt->clsid );
 573         msi_free( mt->ContentType );
 574         msi_free( mt );
 575     }
 576
 577     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 578     {
 579         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 580
 581         list_remove( &appid->entry );
 582         msi_free( appid->AppID );
 583         msi_free( appid->RemoteServerName );
 584         msi_free( appid->LocalServer );
 585         msi_free( appid->ServiceParameters );
 586         msi_free( appid->DllSurrogate );
 587         msi_free( appid );
 588     }
 589
 590     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_info )
 591     {
 592         MSISOURCELISTINFO *info = LIST_ENTRY( item, MSISOURCELISTINFO, entry );
 593
 594         list_remove( &info->entry );
 595         msi_free( info->value );
 596         msi_free( info );
 597     }
 598
 599     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_media )
 600     {
 601         MSIMEDIADISK *info = LIST_ENTRY( item, MSIMEDIADISK, entry );
 602
 603         list_remove( &info->entry );
 604         msi_free( info->volume_label );
 605         msi_free( info->disk_prompt );
 606         msi_free( info );
 607     }
 608
 609     if (package->script)
 610     {
 611         for (i = 0; i < TOTAL_SCRIPTS; i++)
 612             msi_free_action_script(package, i);
 613
 614         for (i = 0; i < package->script->UniqueActionsCount; i++)
 615             msi_free(package->script->UniqueActions[i]);
 616
 617         msi_free(package->script->UniqueActions);
 618         msi_free(package->script);
 619     }
 620
 621     msi_free(package->BaseURL);
 622     msi_free(package->PackagePath);
 623     msi_free(package->ProductCode);
 624     msi_free(package->ActionFormat);
 625     msi_free(package->LastAction);
 626
 627     /* cleanup control event subscriptions */
 628     ControlEvent_CleanupSubscriptions(package);
 629 }
 630
 631 /*
 632  *  build_directory_name()
 633  *
 634  *  This function is to save messing round with directory names
 635  *  It handles adding backslashes between path segments,
 636  *   and can add \ at the end of the directory name if told to.
 637  *
 638  *  It takes a variable number of arguments.
 639  *  It always allocates a new string for the result, so make sure
 640  *   to free the return value when finished with it.
 641  *
 642  *  The first arg is the number of path segments that follow.
 643  *  The arguments following count are a list of path segments.
 644  *  A path segment may be NULL.
 645  *
 646  *  Path segments will be added with a \ separating them.
 647  *  A \ will not be added after the last segment, however if the
 648  *    last segment is NULL, then the last character will be a \
 649  *
 650  */
 651 LPWSTR build_directory_name(DWORD count, ...)
 652 {
 653     DWORD sz = 1, i;
 654     LPWSTR dir;
 655     va_list va;
 656
 657     va_start(va,count);
 658     for(i=0; i<count; i++)
 659     {
 660         LPCWSTR str = va_arg(va,LPCWSTR);
 661         if (str)
 662             sz += strlenW(str) + 1;
 663     }
 664     va_end(va);
 665
 666     dir = msi_alloc(sz*sizeof(WCHAR));
 667     dir[0]=0;
 668
 669     va_start(va,count);
 670     for(i=0; i<count; i++)
 671     {
 672         LPCWSTR str = va_arg(va,LPCWSTR);
 673         if (!str)
 674             continue;
 675         strcatW(dir, str);
 676         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 677             strcatW(dir, cszbs);
 678     }
 679     return dir;
 680 }
 681
 682 /***********************************************************************
 683  *            create_full_pathW
 684  *
 685  * Recursively create all directories in the path.
 686  *
 687  * shamelessly stolen from setupapi/queue.c
 688  */
 689 BOOL create_full_pathW(const WCHAR *path)
 690 {
 691     BOOL ret = TRUE;
 692     int len;
 693     WCHAR *new_path;
 694
 695     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 696
 697     strcpyW(new_path, path);
 698
 699     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 700     new_path[len - 1] = 0;
 701
 702     while(!CreateDirectoryW(new_path, NULL))
 703     {
 704         WCHAR *slash;
 705         DWORD last_error = GetLastError();
 706         if(last_error == ERROR_ALREADY_EXISTS)
 707             break;
 708
 709         if(last_error != ERROR_PATH_NOT_FOUND)
 710         {
 711             ret = FALSE;
 712             break;
 713         }
 714
 715         if(!(slash = strrchrW(new_path, '\\')))
 716         {
 717             ret = FALSE;
 718             break;
 719         }
 720
 721         len = slash - new_path;
 722         new_path[len] = 0;
 723         if(!create_full_pathW(new_path))
 724         {
 725             ret = FALSE;
 726             break;
 727         }
 728         new_path[len] = '\\';
 729     }
 730
 731     msi_free(new_path);
 732     return ret;
 733 }
 734
 735 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 736 {
 737     MSIRECORD * row;
 738
 739     row = MSI_CreateRecord(4);
 740     MSI_RecordSetInteger(row,1,a);
 741     MSI_RecordSetInteger(row,2,b);
 742     MSI_RecordSetInteger(row,3,c);
 743     MSI_RecordSetInteger(row,4,d);
 744     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 745     msiobj_release(&row->hdr);
 746
 747     msi_dialog_check_messages(NULL);
 748 }
 749
 750 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 751 {
 752     static const WCHAR Query_t[] =
 753         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 754          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 755          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 756          ' ','\'','%','s','\'',0};
 757     WCHAR message[1024];
 758     MSIRECORD * row = 0;
 759     DWORD size;
 760
 761     if (!package->LastAction || strcmpW(package->LastAction,action))
 762     {
 763         row = MSI_QueryGetRecord(package->db, Query_t, action);
 764         if (!row)
 765             return;
 766
 767         if (MSI_RecordIsNull(row,3))
 768         {
 769             msiobj_release(&row->hdr);
 770             return;
 771         }
 772
 773         /* update the cached actionformat */
 774         msi_free(package->ActionFormat);
 775         package->ActionFormat = msi_dup_record_field(row,3);
 776
 777         msi_free(package->LastAction);
 778         package->LastAction = strdupW(action);
 779
 780         msiobj_release(&row->hdr);
 781     }
 782
 783     MSI_RecordSetStringW(record,0,package->ActionFormat);
 784     size = 1024;
 785     MSI_FormatRecordW(package,record,message,&size);
 786
 787     row = MSI_CreateRecord(1);
 788     MSI_RecordSetStringW(row,1,message);
 789
 790     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 791
 792     msiobj_release(&row->hdr);
 793 }
 794
 795 BOOL ACTION_VerifyComponentForAction( const MSICOMPONENT* comp, INSTALLSTATE check )
 796 {
 797     if (!comp)
 798         return FALSE;
 799
 800     if (comp->Installed == check)
 801         return FALSE;
 802
 803     if (comp->ActionRequest == check)
 804         return TRUE;
 805     else
 806         return FALSE;
 807 }
 808
 809 BOOL ACTION_VerifyFeatureForAction( const MSIFEATURE* feature, INSTALLSTATE check )
 810 {
 811     if (!feature)
 812         return FALSE;
 813
 814     if (feature->ActionRequest == check)
 815         return TRUE;
 816     else
 817         return FALSE;
 818 }
 819
 820 void reduce_to_longfilename(WCHAR* filename)
 821 {
 822     LPWSTR p = strchrW(filename,'|');
 823     if (p)
 824         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 825 }
 826
 827 void reduce_to_shortfilename(WCHAR* filename)
 828 {
 829     LPWSTR p = strchrW(filename,'|');
 830     if (p)
 831         *p = 0;
 832 }
 833
 834 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 835                 MSICOMPONENT* component, LPCWSTR feature)
 836 {
 837     static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
 838     WCHAR productid_85[21], component_85[21];
 839     LPWSTR output = NULL;
 840     DWORD sz = 0;
 841     GUID clsid;
 842
 843     /* > is used if there is a component GUID and < if not.  */
 844
 845     productid_85[0] = 0;
 846     component_85[0] = 0;
 847
 848     CLSIDFromString(package->ProductCode, &clsid);
 849     encode_base85_guid(&clsid, productid_85);
 850
 851     if (component)
 852     {
 853         CLSIDFromString(component->ComponentId, &clsid);
 854         encode_base85_guid(&clsid, component_85);
 855     }
 856
 857     TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
 858           debugstr_w(feature), debugstr_w(component_85));
 859
 860     sz = 20 + lstrlenW(feature) + 20 + 3;
 861
 862     output = msi_alloc_zero(sz*sizeof(WCHAR));
 863
 864     sprintfW(output, fmt, productid_85, feature,
 865              component?'>':'<', component_85);
 866
 867     return output;
 868 }
 869
 870 /* update component state based on a feature change */
 871 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 872 {
 873     INSTALLSTATE newstate;
 874     MSIFEATURE *feature;
 875     ComponentList *cl;
 876
 877     feature = get_loaded_feature(package,szFeature);
 878     if (!feature)
 879         return;
 880
 881     newstate = feature->ActionRequest;
 882
 883     if (newstate == INSTALLSTATE_ABSENT)
 884         newstate = INSTALLSTATE_UNKNOWN;
 885
 886     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 887     {
 888         MSICOMPONENT* component = cl->component;
 889
 890         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 891             newstate, debugstr_w(component->Component), component->Installed,
 892             component->Action, component->ActionRequest);
 893
 894         if (!component->Enabled)
 895             continue;
 896
 897         if (newstate == INSTALLSTATE_LOCAL)
 898             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 899         else
 900         {
 901             ComponentList *clist;
 902             MSIFEATURE *f;
 903
 904             component->hasLocalFeature = FALSE;
 905
 906             msi_component_set_state( component, newstate );
 907
 908             /*if any other feature wants is local we need to set it local*/
 909             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 910             {
 911                 if ( f->ActionRequest != INSTALLSTATE_LOCAL &&
 912                      f->ActionRequest != INSTALLSTATE_SOURCE )
 913                 {
 914                     continue;
 915                 }
 916
 917                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 918                 {
 919                     if ( clist->component == component &&
 920                          (f->ActionRequest == INSTALLSTATE_LOCAL ||
 921                           f->ActionRequest == INSTALLSTATE_SOURCE) )
 922                     {
 923                         TRACE("Saved by %s\n", debugstr_w(f->Feature));
 924                         component->hasLocalFeature = TRUE;
 925
 926                         if (component->Attributes & msidbComponentAttributesOptional)
 927                         {
 928                             if (f->Attributes & msidbFeatureAttributesFavorSource)
 929                                 msi_component_set_state( component, INSTALLSTATE_SOURCE );
 930                             else
 931                                 msi_component_set_state( component, INSTALLSTATE_LOCAL );
 932                         }
 933                         else if (component->Attributes & msidbComponentAttributesSourceOnly)
 934                             msi_component_set_state( component, INSTALLSTATE_SOURCE );
 935                         else
 936                             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 937                     }
 938                 }
 939             }
 940         }
 941         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 942             newstate, debugstr_w(component->Component), component->Installed,
 943             component->Action, component->ActionRequest);
 944     }
 945 }
 946
 947 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 948 {
 949     UINT count;
 950     LPWSTR *newbuf = NULL;
 951
 952     if (!package->script)
 953         return FALSE;
 954
 955     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 956
 957     count = package->script->UniqueActionsCount;
 958     package->script->UniqueActionsCount++;
 959     if (count != 0)
 960         newbuf = msi_realloc( package->script->UniqueActions,
 961                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 962     else
 963         newbuf = msi_alloc( sizeof(LPWSTR));
 964
 965     newbuf[count] = strdupW(action);
 966     package->script->UniqueActions = newbuf;
 967
 968     return ERROR_SUCCESS;
 969 }
 970
 971 BOOL check_unique_action(const MSIPACKAGE *package, LPCWSTR action)
 972 {
 973     INT i;
 974
 975     if (!package->script)
 976         return FALSE;
 977
 978     for (i = 0; i < package->script->UniqueActionsCount; i++)
 979         if (!strcmpW(package->script->UniqueActions[i],action))
 980             return TRUE;
 981
 982     return FALSE;
 983 }
 984
 985 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 986 {
 987     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};
 988
 989     MSIRECORD *rec;
 990     MSIRECORD *row;
 991     DWORD size = 0;
 992     DWORD i;
 993     va_list va;
 994     LPCWSTR str;
 995     LPWSTR data;
 996
 997     row = MSI_QueryGetRecord(package->db, query, error);
 998     if (!row)
 999         return 0;
1000
1001     rec = MSI_CreateRecord(count+2);
1002
1003     str = MSI_RecordGetString(row,1);
1004     MSI_RecordSetStringW(rec,0,str);
1005     msiobj_release( &row->hdr );
1006     MSI_RecordSetInteger(rec,1,error);
1007
1008     va_start(va,count);
1009     for (i = 0; i < count; i++)
1010     {
1011         str = va_arg(va,LPCWSTR);
1012         MSI_RecordSetStringW(rec,(i+2),str);
1013     }
1014     va_end(va);
1015
1016     MSI_FormatRecordW(package,rec,NULL,&size);
1017
1018     size++;
1019     data = msi_alloc(size*sizeof(WCHAR));
1020     if (size > 1)
1021         MSI_FormatRecordW(package,rec,data,&size);
1022     else
1023         data[0] = 0;
1024     msiobj_release( &rec->hdr );
1025     return data;
1026 }
1027
1028 void msi_ui_error( DWORD msg_id, DWORD type )
1029 {
1030     WCHAR text[2048];
1031
1032     static const WCHAR title[] = {
1033         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
1034     };
1035
1036     if (!MsiLoadStringW( -1, msg_id, text, sizeof(text) / sizeof(text[0]),
1037                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL) ))
1038         return;
1039
1040     MessageBoxW( NULL, text, title, type );
1041 }
1042
1043 typedef struct
1044 {
1045     MSIPACKAGE *package;
1046     MSIMEDIAINFO *mi;
1047     MSIFILE *file;
1048     LPWSTR destination;
1049 } CabData;
1050
1051 static INT_PTR cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
1052 {
1053     TRACE("(%d)\n", fdint);
1054
1055     switch (fdint)
1056     {
1057     case fdintNEXT_CABINET:
1058     {
1059         ERR("continuous cabinets not handled\n");
1060         return 0;
1061     }
1062
1063     case fdintCOPY_FILE:
1064     {
1065         CabData *data = (CabData*) pfdin->pv;
1066         LPWSTR file, path;
1067         DWORD attrs, size;
1068         HANDLE handle;
1069         MSIFILE *f;
1070
1071         file = strdupAtoW(pfdin->psz1);
1072         f = get_loaded_file(data->package, file);
1073         msi_free(file);
1074
1075         if (!f)
1076         {
1077             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
1078             return 0;
1079         }
1080
1081         if (lstrcmpW(f->File, data->file->File))
1082             return 0;
1083
1084         size = lstrlenW(data->destination) + lstrlenW(data->file->FileName) + 2;
1085         path = msi_alloc(size * sizeof(WCHAR));
1086         lstrcpyW(path, data->destination);
1087         PathAddBackslashW(path);
1088         lstrcatW(path, data->file->FileName);
1089
1090         TRACE("extracting %s\n", debugstr_w(path));
1091
1092         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
1093         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
1094
1095         handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0,
1096                              NULL, CREATE_ALWAYS, attrs, NULL);
1097         if (handle == INVALID_HANDLE_VALUE)
1098         {
1099             if (GetFileAttributesW(path) == INVALID_FILE_ATTRIBUTES)
1100                 ERR("failed to create %s (error %d)\n",
1101                     debugstr_w(path), GetLastError());
1102
1103             msi_free(path);
1104             return 0;
1105         }
1106
1107         msi_free(path);
1108         return (INT_PTR)handle;
1109     }
1110
1111     case fdintCLOSE_FILE_INFO:
1112     {
1113         FILETIME ft;
1114         FILETIME ftLocal;
1115         HANDLE handle = (HANDLE)pfdin->hf;
1116
1117         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
1118             return -1;
1119         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
1120             return -1;
1121         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
1122             return -1;
1123         CloseHandle(handle);
1124         return 1;
1125     }
1126
1127     default:
1128         return 0;
1129     }
1130 }
1131
1132 UINT msi_extract_file(MSIPACKAGE *package, MSIFILE *file, LPWSTR destdir)
1133 {
1134     MSIMEDIAINFO *mi;
1135     CabData data;
1136     UINT r;
1137
1138     mi = msi_alloc_zero(sizeof(MSIMEDIAINFO));
1139     if (!mi)
1140         return ERROR_OUTOFMEMORY;
1141
1142     r = msi_load_media_info(package, file, mi);
1143     if (r != ERROR_SUCCESS)
1144         goto done;
1145
1146     if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
1147     {
1148         r = find_published_source(package, mi);
1149         if (r != ERROR_SUCCESS)
1150         {
1151             ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
1152             return ERROR_INSTALL_FAILURE;
1153         }
1154     }
1155
1156     data.package = package;
1157     data.mi = mi;
1158     data.file = file;
1159     data.destination = destdir;
1160
1161     if (!msi_cabextract(package, mi, cabinet_notify, &data))
1162     {
1163         ERR("Failed to extract cabinet file\n");
1164         r = ERROR_FUNCTION_FAILED;
1165     }
1166
1167 done:
1168     msi_free_media_info(mi);
1169     return r;
1170 }