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 (f->SourceLongPath)
 329             path = build_directory_name( 3, p, f->SourceLongPath, NULL );
 330
 331         TRACE("source -> %s\n", debugstr_w(path));
 332         f->ResolvedSource = strdupW( path );
 333     }
 334     msi_free(p);
 335
 336     return path;
 337 }
 338
 339 /* wrapper to resist a need for a full rewrite right now */
 340 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 341 {
 342     if (ptr)
 343     {
 344         MSIRECORD *rec = MSI_CreateRecord(1);
 345         DWORD size = 0;
 346
 347         MSI_RecordSetStringW(rec,0,ptr);
 348         MSI_FormatRecordW(package,rec,NULL,&size);
 349
 350         size++;
 351         *data = msi_alloc(size*sizeof(WCHAR));
 352         if (size > 1)
 353             MSI_FormatRecordW(package,rec,*data,&size);
 354         else
 355             *data[0] = 0;
 356
 357         msiobj_release( &rec->hdr );
 358         return sizeof(WCHAR)*size;
 359     }
 360
 361     *data = NULL;
 362     return 0;
 363 }
 364
 365 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 366 {
 367     UINT count;
 368     LPWSTR *newbuf = NULL;
 369     if (script >= TOTAL_SCRIPTS)
 370     {
 371         FIXME("Unknown script requested %i\n",script);
 372         return ERROR_FUNCTION_FAILED;
 373     }
 374     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 375
 376     count = package->script->ActionCount[script];
 377     package->script->ActionCount[script]++;
 378     if (count != 0)
 379         newbuf = msi_realloc( package->script->Actions[script],
 380                         package->script->ActionCount[script]* sizeof(LPWSTR));
 381     else
 382         newbuf = msi_alloc( sizeof(LPWSTR));
 383
 384     newbuf[count] = strdupW(action);
 385     package->script->Actions[script] = newbuf;
 386
 387    return ERROR_SUCCESS;
 388 }
 389
 390 void msi_free_action_script(MSIPACKAGE *package, UINT script)
 391 {
 392     int i;
 393     for (i = 0; i < package->script->ActionCount[script]; i++)
 394         msi_free(package->script->Actions[script][i]);
 395
 396     msi_free(package->script->Actions[script]);
 397     package->script->Actions[script] = NULL;
 398     package->script->ActionCount[script] = 0;
 399 }
 400
 401 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 402 {
 403     struct list *item, *cursor;
 404
 405     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 406     {
 407         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 408
 409         list_remove( &temp->entry );
 410         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 411         if (!DeleteFileW( temp->Path ))
 412             ERR("failed to delete %s\n", debugstr_w( temp->Path ));
 413         msi_free( temp->Path );
 414         msi_free( temp );
 415     }
 416 }
 417
 418 static void free_feature( MSIFEATURE *feature )
 419 {
 420     struct list *item, *cursor;
 421
 422     LIST_FOR_EACH_SAFE( item, cursor, &feature->Children )
 423     {
 424         FeatureList *fl = LIST_ENTRY( item, FeatureList, entry );
 425         list_remove( &fl->entry );
 426         msi_free( fl );
 427     }
 428
 429     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 430     {
 431         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 432         list_remove( &cl->entry );
 433         msi_free( cl );
 434     }
 435     msi_free( feature->Feature );
 436     msi_free( feature->Feature_Parent );
 437     msi_free( feature->Directory );
 438     msi_free( feature->Description );
 439     msi_free( feature->Title );
 440     msi_free( feature );
 441 }
 442
 443 static void free_extension( MSIEXTENSION *ext )
 444 {
 445     struct list *item, *cursor;
 446
 447     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 448     {
 449         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 450
 451         list_remove( &verb->entry );
 452         msi_free( verb->Verb );
 453         msi_free( verb->Command );
 454         msi_free( verb->Argument );
 455         msi_free( verb );
 456     }
 457
 458     msi_free( ext->Extension );
 459     msi_free( ext->ProgIDText );
 460     msi_free( ext );
 461 }
 462
 463 /* Called when the package is being closed */
 464 void ACTION_free_package_structures( MSIPACKAGE* package)
 465 {
 466     INT i;
 467     struct list *item, *cursor;
 468
 469     TRACE("Freeing package action data\n");
 470
 471     remove_tracked_tempfiles(package);
 472
 473     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 474     {
 475         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 476         list_remove( &feature->entry );
 477         free_feature( feature );
 478     }
 479
 480     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 481     {
 482         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 483
 484         list_remove( &folder->entry );
 485         msi_free( folder->Parent );
 486         msi_free( folder->Directory );
 487         msi_free( folder->TargetDefault );
 488         msi_free( folder->SourceLongPath );
 489         msi_free( folder->SourceShortPath );
 490         msi_free( folder->ResolvedTarget );
 491         msi_free( folder->ResolvedSource );
 492         msi_free( folder->Property );
 493         msi_free( folder );
 494     }
 495
 496     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 497     {
 498         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 499
 500         list_remove( &comp->entry );
 501         msi_free( comp->Component );
 502         msi_free( comp->ComponentId );
 503         msi_free( comp->Directory );
 504         msi_free( comp->Condition );
 505         msi_free( comp->KeyPath );
 506         msi_free( comp->FullKeypath );
 507         msi_free( comp );
 508     }
 509
 510     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 511     {
 512         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 513
 514         list_remove( &file->entry );
 515         msi_free( file->File );
 516         msi_free( file->FileName );
 517         msi_free( file->ShortName );
 518         msi_free( file->LongName );
 519         msi_free( file->Version );
 520         msi_free( file->Language );
 521         msi_free( file->SourcePath );
 522         msi_free( file->TargetPath );
 523         msi_free( file );
 524     }
 525
 526     /* clean up extension, progid, class and verb structures */
 527     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 528     {
 529         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 530
 531         list_remove( &cls->entry );
 532         msi_free( cls->clsid );
 533         msi_free( cls->Context );
 534         msi_free( cls->Description );
 535         msi_free( cls->FileTypeMask );
 536         msi_free( cls->IconPath );
 537         msi_free( cls->DefInprocHandler );
 538         msi_free( cls->DefInprocHandler32 );
 539         msi_free( cls->Argument );
 540         msi_free( cls->ProgIDText );
 541         msi_free( cls );
 542     }
 543
 544     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 545     {
 546         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 547
 548         list_remove( &ext->entry );
 549         free_extension( ext );
 550     }
 551
 552     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 553     {
 554         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 555
 556         list_remove( &progid->entry );
 557         msi_free( progid->ProgID );
 558         msi_free( progid->Description );
 559         msi_free( progid->IconPath );
 560         msi_free( progid );
 561     }
 562
 563     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 564     {
 565         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 566
 567         list_remove( &mt->entry );
 568         msi_free( mt->clsid );
 569         msi_free( mt->ContentType );
 570         msi_free( mt );
 571     }
 572
 573     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 574     {
 575         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 576
 577         list_remove( &appid->entry );
 578         msi_free( appid->AppID );
 579         msi_free( appid->RemoteServerName );
 580         msi_free( appid->LocalServer );
 581         msi_free( appid->ServiceParameters );
 582         msi_free( appid->DllSurrogate );
 583         msi_free( appid );
 584     }
 585
 586     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_info )
 587     {
 588         MSISOURCELISTINFO *info = LIST_ENTRY( item, MSISOURCELISTINFO, entry );
 589
 590         list_remove( &info->entry );
 591         msi_free( info->value );
 592         msi_free( info );
 593     }
 594
 595     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_media )
 596     {
 597         MSIMEDIADISK *info = LIST_ENTRY( item, MSIMEDIADISK, entry );
 598
 599         list_remove( &info->entry );
 600         msi_free( info->volume_label );
 601         msi_free( info->disk_prompt );
 602         msi_free( info );
 603     }
 604
 605     if (package->script)
 606     {
 607         for (i = 0; i < TOTAL_SCRIPTS; i++)
 608             msi_free_action_script(package, i);
 609
 610         for (i = 0; i < package->script->UniqueActionsCount; i++)
 611             msi_free(package->script->UniqueActions[i]);
 612
 613         msi_free(package->script->UniqueActions);
 614         msi_free(package->script);
 615     }
 616
 617     msi_free(package->BaseURL);
 618     msi_free(package->PackagePath);
 619     msi_free(package->ProductCode);
 620     msi_free(package->ActionFormat);
 621     msi_free(package->LastAction);
 622
 623     /* cleanup control event subscriptions */
 624     ControlEvent_CleanupSubscriptions(package);
 625 }
 626
 627 /*
 628  *  build_directory_name()
 629  *
 630  *  This function is to save messing round with directory names
 631  *  It handles adding backslashes between path segments,
 632  *   and can add \ at the end of the directory name if told to.
 633  *
 634  *  It takes a variable number of arguments.
 635  *  It always allocates a new string for the result, so make sure
 636  *   to free the return value when finished with it.
 637  *
 638  *  The first arg is the number of path segments that follow.
 639  *  The arguments following count are a list of path segments.
 640  *  A path segment may be NULL.
 641  *
 642  *  Path segments will be added with a \ separating them.
 643  *  A \ will not be added after the last segment, however if the
 644  *    last segment is NULL, then the last character will be a \
 645  *
 646  */
 647 LPWSTR build_directory_name(DWORD count, ...)
 648 {
 649     DWORD sz = 1, i;
 650     LPWSTR dir;
 651     va_list va;
 652
 653     va_start(va,count);
 654     for(i=0; i<count; i++)
 655     {
 656         LPCWSTR str = va_arg(va,LPCWSTR);
 657         if (str)
 658             sz += strlenW(str) + 1;
 659     }
 660     va_end(va);
 661
 662     dir = msi_alloc(sz*sizeof(WCHAR));
 663     dir[0]=0;
 664
 665     va_start(va,count);
 666     for(i=0; i<count; i++)
 667     {
 668         LPCWSTR str = va_arg(va,LPCWSTR);
 669         if (!str)
 670             continue;
 671         strcatW(dir, str);
 672         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 673             strcatW(dir, cszbs);
 674     }
 675     return dir;
 676 }
 677
 678 /***********************************************************************
 679  *            create_full_pathW
 680  *
 681  * Recursively create all directories in the path.
 682  *
 683  * shamelessly stolen from setupapi/queue.c
 684  */
 685 BOOL create_full_pathW(const WCHAR *path)
 686 {
 687     BOOL ret = TRUE;
 688     int len;
 689     WCHAR *new_path;
 690
 691     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 692
 693     strcpyW(new_path, path);
 694
 695     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 696     new_path[len - 1] = 0;
 697
 698     while(!CreateDirectoryW(new_path, NULL))
 699     {
 700         WCHAR *slash;
 701         DWORD last_error = GetLastError();
 702         if(last_error == ERROR_ALREADY_EXISTS)
 703             break;
 704
 705         if(last_error != ERROR_PATH_NOT_FOUND)
 706         {
 707             ret = FALSE;
 708             break;
 709         }
 710
 711         if(!(slash = strrchrW(new_path, '\\')))
 712         {
 713             ret = FALSE;
 714             break;
 715         }
 716
 717         len = slash - new_path;
 718         new_path[len] = 0;
 719         if(!create_full_pathW(new_path))
 720         {
 721             ret = FALSE;
 722             break;
 723         }
 724         new_path[len] = '\\';
 725     }
 726
 727     msi_free(new_path);
 728     return ret;
 729 }
 730
 731 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 732 {
 733     MSIRECORD * row;
 734
 735     row = MSI_CreateRecord(4);
 736     MSI_RecordSetInteger(row,1,a);
 737     MSI_RecordSetInteger(row,2,b);
 738     MSI_RecordSetInteger(row,3,c);
 739     MSI_RecordSetInteger(row,4,d);
 740     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 741     msiobj_release(&row->hdr);
 742
 743     msi_dialog_check_messages(NULL);
 744 }
 745
 746 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 747 {
 748     static const WCHAR Query_t[] =
 749         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 750          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 751          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 752          ' ','\'','%','s','\'',0};
 753     WCHAR message[1024];
 754     MSIRECORD * row = 0;
 755     DWORD size;
 756
 757     if (!package->LastAction || strcmpW(package->LastAction,action))
 758     {
 759         row = MSI_QueryGetRecord(package->db, Query_t, action);
 760         if (!row)
 761             return;
 762
 763         if (MSI_RecordIsNull(row,3))
 764         {
 765             msiobj_release(&row->hdr);
 766             return;
 767         }
 768
 769         /* update the cached actionformat */
 770         msi_free(package->ActionFormat);
 771         package->ActionFormat = msi_dup_record_field(row,3);
 772
 773         msi_free(package->LastAction);
 774         package->LastAction = strdupW(action);
 775
 776         msiobj_release(&row->hdr);
 777     }
 778
 779     MSI_RecordSetStringW(record,0,package->ActionFormat);
 780     size = 1024;
 781     MSI_FormatRecordW(package,record,message,&size);
 782
 783     row = MSI_CreateRecord(1);
 784     MSI_RecordSetStringW(row,1,message);
 785
 786     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 787
 788     msiobj_release(&row->hdr);
 789 }
 790
 791 BOOL ACTION_VerifyComponentForAction( const MSICOMPONENT* comp, INSTALLSTATE check )
 792 {
 793     if (!comp)
 794         return FALSE;
 795
 796     if (comp->Installed == check)
 797         return FALSE;
 798
 799     if (comp->ActionRequest == check)
 800         return TRUE;
 801     else
 802         return FALSE;
 803 }
 804
 805 BOOL ACTION_VerifyFeatureForAction( const MSIFEATURE* feature, INSTALLSTATE check )
 806 {
 807     if (!feature)
 808         return FALSE;
 809
 810     if (feature->ActionRequest == check)
 811         return TRUE;
 812     else
 813         return FALSE;
 814 }
 815
 816 void reduce_to_longfilename(WCHAR* filename)
 817 {
 818     LPWSTR p = strchrW(filename,'|');
 819     if (p)
 820         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 821 }
 822
 823 void reduce_to_shortfilename(WCHAR* filename)
 824 {
 825     LPWSTR p = strchrW(filename,'|');
 826     if (p)
 827         *p = 0;
 828 }
 829
 830 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 831                 MSICOMPONENT* component, LPCWSTR feature)
 832 {
 833     static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
 834     WCHAR productid_85[21], component_85[21];
 835     LPWSTR output = NULL;
 836     DWORD sz = 0;
 837     GUID clsid;
 838
 839     /* > is used if there is a component GUID and < if not.  */
 840
 841     productid_85[0] = 0;
 842     component_85[0] = 0;
 843
 844     CLSIDFromString(package->ProductCode, &clsid);
 845     encode_base85_guid(&clsid, productid_85);
 846
 847     if (component)
 848     {
 849         CLSIDFromString(component->ComponentId, &clsid);
 850         encode_base85_guid(&clsid, component_85);
 851     }
 852
 853     TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
 854           debugstr_w(feature), debugstr_w(component_85));
 855
 856     sz = 20 + lstrlenW(feature) + 20 + 3;
 857
 858     output = msi_alloc_zero(sz*sizeof(WCHAR));
 859
 860     sprintfW(output, fmt, productid_85, feature,
 861              component?'>':'<', component_85);
 862
 863     return output;
 864 }
 865
 866 /* update component state based on a feature change */
 867 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 868 {
 869     INSTALLSTATE newstate;
 870     MSIFEATURE *feature;
 871     ComponentList *cl;
 872
 873     feature = get_loaded_feature(package,szFeature);
 874     if (!feature)
 875         return;
 876
 877     newstate = feature->ActionRequest;
 878
 879     if (newstate == INSTALLSTATE_ABSENT)
 880         newstate = INSTALLSTATE_UNKNOWN;
 881
 882     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 883     {
 884         MSICOMPONENT* component = cl->component;
 885
 886         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 887             newstate, debugstr_w(component->Component), component->Installed,
 888             component->Action, component->ActionRequest);
 889
 890         if (!component->Enabled)
 891             continue;
 892
 893         if (newstate == INSTALLSTATE_LOCAL)
 894             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 895         else
 896         {
 897             ComponentList *clist;
 898             MSIFEATURE *f;
 899
 900             component->hasLocalFeature = FALSE;
 901
 902             msi_component_set_state( component, newstate );
 903
 904             /*if any other feature wants is local we need to set it local*/
 905             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 906             {
 907                 if ( f->ActionRequest != INSTALLSTATE_LOCAL &&
 908                      f->ActionRequest != INSTALLSTATE_SOURCE )
 909                 {
 910                     continue;
 911                 }
 912
 913                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 914                 {
 915                     if ( clist->component == component &&
 916                          (f->ActionRequest == INSTALLSTATE_LOCAL ||
 917                           f->ActionRequest == INSTALLSTATE_SOURCE) )
 918                     {
 919                         TRACE("Saved by %s\n", debugstr_w(f->Feature));
 920                         component->hasLocalFeature = TRUE;
 921
 922                         if (component->Attributes & msidbComponentAttributesOptional)
 923                         {
 924                             if (f->Attributes & msidbFeatureAttributesFavorSource)
 925                                 msi_component_set_state( component, INSTALLSTATE_SOURCE );
 926                             else
 927                                 msi_component_set_state( component, INSTALLSTATE_LOCAL );
 928                         }
 929                         else if (component->Attributes & msidbComponentAttributesSourceOnly)
 930                             msi_component_set_state( component, INSTALLSTATE_SOURCE );
 931                         else
 932                             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 933                     }
 934                 }
 935             }
 936         }
 937         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 938             newstate, debugstr_w(component->Component), component->Installed,
 939             component->Action, component->ActionRequest);
 940     }
 941 }
 942
 943 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 944 {
 945     UINT count;
 946     LPWSTR *newbuf = NULL;
 947
 948     if (!package->script)
 949         return FALSE;
 950
 951     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 952
 953     count = package->script->UniqueActionsCount;
 954     package->script->UniqueActionsCount++;
 955     if (count != 0)
 956         newbuf = msi_realloc( package->script->UniqueActions,
 957                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 958     else
 959         newbuf = msi_alloc( sizeof(LPWSTR));
 960
 961     newbuf[count] = strdupW(action);
 962     package->script->UniqueActions = newbuf;
 963
 964     return ERROR_SUCCESS;
 965 }
 966
 967 BOOL check_unique_action(const MSIPACKAGE *package, LPCWSTR action)
 968 {
 969     INT i;
 970
 971     if (!package->script)
 972         return FALSE;
 973
 974     for (i = 0; i < package->script->UniqueActionsCount; i++)
 975         if (!strcmpW(package->script->UniqueActions[i],action))
 976             return TRUE;
 977
 978     return FALSE;
 979 }
 980
 981 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 982 {
 983     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};
 984
 985     MSIRECORD *rec;
 986     MSIRECORD *row;
 987     DWORD size = 0;
 988     DWORD i;
 989     va_list va;
 990     LPCWSTR str;
 991     LPWSTR data;
 992
 993     row = MSI_QueryGetRecord(package->db, query, error);
 994     if (!row)
 995         return 0;
 996
 997     rec = MSI_CreateRecord(count+2);
 998
 999     str = MSI_RecordGetString(row,1);
1000     MSI_RecordSetStringW(rec,0,str);
1001     msiobj_release( &row->hdr );
1002     MSI_RecordSetInteger(rec,1,error);
1003
1004     va_start(va,count);
1005     for (i = 0; i < count; i++)
1006     {
1007         str = va_arg(va,LPCWSTR);
1008         MSI_RecordSetStringW(rec,(i+2),str);
1009     }
1010     va_end(va);
1011
1012     MSI_FormatRecordW(package,rec,NULL,&size);
1013
1014     size++;
1015     data = msi_alloc(size*sizeof(WCHAR));
1016     if (size > 1)
1017         MSI_FormatRecordW(package,rec,data,&size);
1018     else
1019         data[0] = 0;
1020     msiobj_release( &rec->hdr );
1021     return data;
1022 }
1023
1024 void msi_ui_error( DWORD msg_id, DWORD type )
1025 {
1026     WCHAR text[2048];
1027
1028     static const WCHAR title[] = {
1029         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
1030     };
1031
1032     if (!MsiLoadStringW( -1, msg_id, text, sizeof(text) / sizeof(text[0]),
1033                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL) ))
1034         return;
1035
1036     MessageBoxW( NULL, text, title, type );
1037 }
1038
1039 typedef struct
1040 {
1041     MSIPACKAGE *package;
1042     MSIMEDIAINFO *mi;
1043     MSIFILE *file;
1044     LPWSTR destination;
1045 } CabData;
1046
1047 static INT_PTR cabinet_notify(FDINOTIFICATIONTYPE fdint, PFDINOTIFICATION pfdin)
1048 {
1049     TRACE("(%d)\n", fdint);
1050
1051     switch (fdint)
1052     {
1053     case fdintNEXT_CABINET:
1054     {
1055         ERR("continuous cabinets not handled\n");
1056         return 0;
1057     }
1058
1059     case fdintCOPY_FILE:
1060     {
1061         CabData *data = (CabData*) pfdin->pv;
1062         LPWSTR file, path;
1063         DWORD attrs, size;
1064         HANDLE handle;
1065         MSIFILE *f;
1066
1067         file = strdupAtoW(pfdin->psz1);
1068         f = get_loaded_file(data->package, file);
1069         msi_free(file);
1070
1071         if (!f)
1072         {
1073             WARN("unknown file in cabinet (%s)\n",debugstr_a(pfdin->psz1));
1074             return 0;
1075         }
1076
1077         if (lstrcmpW(f->File, data->file->File))
1078             return 0;
1079
1080         size = lstrlenW(data->destination) + lstrlenW(data->file->FileName) + 2;
1081         path = msi_alloc(size * sizeof(WCHAR));
1082         lstrcpyW(path, data->destination);
1083         PathAddBackslashW(path);
1084         lstrcatW(path, data->file->FileName);
1085
1086         TRACE("extracting %s\n", debugstr_w(path));
1087
1088         attrs = f->Attributes & (FILE_ATTRIBUTE_READONLY|FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM);
1089         if (!attrs) attrs = FILE_ATTRIBUTE_NORMAL;
1090
1091         handle = CreateFileW(path, GENERIC_READ | GENERIC_WRITE, 0,
1092                              NULL, CREATE_ALWAYS, attrs, NULL);
1093         if (handle == INVALID_HANDLE_VALUE)
1094         {
1095             if (GetFileAttributesW(path) == INVALID_FILE_ATTRIBUTES)
1096                 ERR("failed to create %s (error %d)\n",
1097                     debugstr_w(path), GetLastError());
1098
1099             msi_free(path);
1100             return 0;
1101         }
1102
1103         msi_free(path);
1104         return (INT_PTR)handle;
1105     }
1106
1107     case fdintCLOSE_FILE_INFO:
1108     {
1109         FILETIME ft;
1110         FILETIME ftLocal;
1111         HANDLE handle = (HANDLE)pfdin->hf;
1112
1113         if (!DosDateTimeToFileTime(pfdin->date, pfdin->time, &ft))
1114             return -1;
1115         if (!LocalFileTimeToFileTime(&ft, &ftLocal))
1116             return -1;
1117         if (!SetFileTime(handle, &ftLocal, 0, &ftLocal))
1118             return -1;
1119         CloseHandle(handle);
1120         return 1;
1121     }
1122
1123     default:
1124         return 0;
1125     }
1126 }
1127
1128 UINT msi_extract_file(MSIPACKAGE *package, MSIFILE *file, LPWSTR destdir)
1129 {
1130     MSIMEDIAINFO *mi;
1131     CabData data;
1132     UINT r;
1133
1134     mi = msi_alloc_zero(sizeof(MSIMEDIAINFO));
1135     if (!mi)
1136         return ERROR_OUTOFMEMORY;
1137
1138     r = msi_load_media_info(package, file, mi);
1139     if (r != ERROR_SUCCESS)
1140         goto done;
1141
1142     if (GetFileAttributesW(mi->source) == INVALID_FILE_ATTRIBUTES)
1143     {
1144         r = find_published_source(package, mi);
1145         if (r != ERROR_SUCCESS)
1146         {
1147             ERR("Cabinet not found: %s\n", debugstr_w(mi->source));
1148             return ERROR_INSTALL_FAILURE;
1149         }
1150     }
1151
1152     data.package = package;
1153     data.mi = mi;
1154     data.file = file;
1155     data.destination = destdir;
1156
1157     if (!msi_cabextract(package, mi, cabinet_notify, &data))
1158     {
1159         ERR("Failed to extract cabinet file\n");
1160         r = ERROR_FUNCTION_FAILED;
1161     }
1162
1163 done:
1164     msi_free_media_info(mi);
1165     return r;
1166 }