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 "wine/debug.h"
  30 #include "msipriv.h"
  31 #include "winuser.h"
  32 #include "wine/unicode.h"
  33 #include "msidefs.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  36
  37 static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
  38 static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
  39
  40 const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
  41 const WCHAR cszSOURCEDIR[] = {'S','O','U','R','C','E','D','I','R',0};
  42 const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
  43 const WCHAR cszbs[]={'\\',0};
  44 const WCHAR szLocalSid[] = {'S','-','1','-','5','-','1','8',0};
  45
  46 LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
  47 {
  48     LPWSTR SystemFolder, dest, FilePath;
  49
  50     static const WCHAR szInstaller[] =
  51         {'M','i','c','r','o','s','o','f','t','\\',
  52          'I','n','s','t','a','l','l','e','r','\\',0};
  53     static const WCHAR szFolder[] =
  54         {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
  55
  56     SystemFolder = msi_dup_property( package, szFolder );
  57
  58     dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
  59
  60     create_full_pathW(dest);
  61
  62     FilePath = build_directory_name(2, dest, icon_name);
  63
  64     msi_free(SystemFolder);
  65     msi_free(dest);
  66     return FilePath;
  67 }
  68
  69 LPWSTR msi_dup_record_field( MSIRECORD *rec, INT field )
  70 {
  71     DWORD sz = 0;
  72     LPWSTR str;
  73     UINT r;
  74
  75     if (MSI_RecordIsNull( rec, field ))
  76         return NULL;
  77
  78     r = MSI_RecordGetStringW( rec, field, NULL, &sz );
  79     if (r != ERROR_SUCCESS)
  80         return NULL;
  81
  82     sz ++;
  83     str = msi_alloc( sz * sizeof (WCHAR) );
  84     if (!str)
  85         return str;
  86     str[0] = 0;
  87     r = MSI_RecordGetStringW( rec, field, str, &sz );
  88     if (r != ERROR_SUCCESS)
  89     {
  90         ERR("failed to get string!\n");
  91         msi_free( str );
  92         return NULL;
  93     }
  94     return str;
  95 }
  96
  97 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
  98 {
  99     MSICOMPONENT *comp;
 100
 101     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 102     {
 103         if (lstrcmpW(Component,comp->Component)==0)
 104             return comp;
 105     }
 106     return NULL;
 107 }
 108
 109 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 110 {
 111     MSIFEATURE *feature;
 112
 113     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 114     {
 115         if (lstrcmpW( Feature, feature->Feature )==0)
 116             return feature;
 117     }
 118     return NULL;
 119 }
 120
 121 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 122 {
 123     MSIFILE *file;
 124
 125     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 126     {
 127         if (lstrcmpW( key, file->File )==0)
 128             return file;
 129     }
 130     return NULL;
 131 }
 132
 133 int track_tempfile( MSIPACKAGE *package, LPCWSTR path )
 134 {
 135     MSITEMPFILE *temp;
 136
 137     TRACE("%s\n", debugstr_w(path));
 138
 139     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 140         if (!lstrcmpW( path, temp->Path ))
 141             return 0;
 142
 143     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 144     if (!temp)
 145         return -1;
 146
 147     list_add_head( &package->tempfiles, &temp->entry );
 148     temp->Path = strdupW( path );
 149
 150     return 0;
 151 }
 152
 153 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 154 {
 155     MSIFOLDER *folder;
 156
 157     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 158     {
 159         if (lstrcmpW( dir, folder->Directory )==0)
 160             return folder;
 161     }
 162     return NULL;
 163 }
 164
 165 void msi_reset_folders( MSIPACKAGE *package, BOOL source )
 166 {
 167     MSIFOLDER *folder;
 168
 169     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 170     {
 171         if ( source )
 172         {
 173             msi_free( folder->ResolvedSource );
 174             folder->ResolvedSource = NULL;
 175         }
 176         else
 177         {
 178             msi_free( folder->ResolvedTarget );
 179             folder->ResolvedTarget = NULL;
 180         }
 181     }
 182 }
 183
 184 static LPWSTR get_source_root( MSIPACKAGE *package )
 185 {
 186     LPWSTR path, p;
 187
 188     path = msi_dup_property( package, cszSourceDir );
 189     if (path)
 190         return path;
 191
 192     path = msi_dup_property( package, cszDatabase );
 193     if (path)
 194     {
 195         p = strrchrW(path,'\\');
 196         if (p)
 197             *(p+1) = 0;
 198     }
 199     return path;
 200 }
 201
 202 /*
 203  * clean_spaces_from_path()
 204  *
 205  * removes spaces from the beginning and end of path segments
 206  * removes multiple \\ characters
 207  */
 208 static void clean_spaces_from_path( LPWSTR p )
 209 {
 210     LPWSTR q = p;
 211     int n, len = 0;
 212
 213     while (1)
 214     {
 215         /* copy until the end of the string or a space */
 216         while (*p != ' ' && (*q = *p))
 217         {
 218             p++, len++;
 219             /* reduce many backslashes to one */
 220             if (*p != '\\' || *q != '\\')
 221                 q++;
 222         }
 223
 224         /* quit at the end of the string */
 225         if (!*p)
 226             break;
 227
 228         /* count the number of spaces */
 229         n = 0;
 230         while (p[n] == ' ')
 231             n++;
 232
 233         /* if it's leading or trailing space, skip it */
 234         if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
 235             p += n;
 236         else  /* copy n spaces */
 237             while (n && (*q++ = *p++)) n--;
 238     }
 239 }
 240
 241 LPWSTR resolve_file_source(MSIPACKAGE *package, MSIFILE *file)
 242 {
 243     LPWSTR p, path;
 244
 245     TRACE("Working to resolve source of file %s\n", debugstr_w(file->File));
 246
 247     if (file->IsCompressed)
 248         return NULL;
 249
 250     p = resolve_folder(package, file->Component->Directory,
 251                        TRUE, FALSE, TRUE, NULL);
 252     path = build_directory_name(2, p, file->ShortName);
 253
 254     if (file->LongName &&
 255         GetFileAttributesW(path) == INVALID_FILE_ATTRIBUTES)
 256     {
 257         msi_free(path);
 258         path = build_directory_name(2, p, file->LongName);
 259     }
 260
 261     msi_free(p);
 262
 263     TRACE("file %s source resolves to %s\n", debugstr_w(file->File),
 264           debugstr_w(path));
 265
 266     return path;
 267 }
 268
 269 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 270                       BOOL set_prop, BOOL load_prop, MSIFOLDER **folder)
 271 {
 272     MSIFOLDER *f;
 273     LPWSTR p, path = NULL, parent;
 274
 275     TRACE("Working to resolve %s\n",debugstr_w(name));
 276
 277     if (!name)
 278         return NULL;
 279
 280     if (!lstrcmpW(name,cszSourceDir))
 281         name = cszTargetDir;
 282
 283     f = get_loaded_folder( package, name );
 284     if (!f)
 285         return NULL;
 286
 287     /* special resolving for Target and Source root dir */
 288     if (!strcmpW(name,cszTargetDir))
 289     {
 290         if (!f->ResolvedTarget && !f->Property)
 291         {
 292             LPWSTR check_path;
 293             check_path = msi_dup_property( package, cszTargetDir );
 294             if (!check_path)
 295             {
 296                 check_path = msi_dup_property( package, cszRootDrive );
 297                 if (set_prop)
 298                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 299             }
 300
 301             /* correct misbuilt target dir */
 302             path = build_directory_name(2, check_path, NULL);
 303             clean_spaces_from_path( path );
 304             if (strcmpiW(path,check_path)!=0)
 305                 MSI_SetPropertyW(package,cszTargetDir,path);
 306             msi_free(check_path);
 307
 308             f->ResolvedTarget = path;
 309         }
 310
 311         if (!f->ResolvedSource)
 312             f->ResolvedSource = get_source_root( package );
 313     }
 314
 315     if (folder)
 316         *folder = f;
 317
 318     if (!source && f->ResolvedTarget)
 319     {
 320         path = strdupW( f->ResolvedTarget );
 321         TRACE("   already resolved to %s\n",debugstr_w(path));
 322         return path;
 323     }
 324
 325     if (source && f->ResolvedSource)
 326     {
 327         path = strdupW( f->ResolvedSource );
 328         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 329         return path;
 330     }
 331
 332     if (!source && f->Property)
 333     {
 334         path = build_directory_name( 2, f->Property, NULL );
 335
 336         TRACE("   internally set to %s\n",debugstr_w(path));
 337         if (set_prop)
 338             MSI_SetPropertyW( package, name, path );
 339         return path;
 340     }
 341
 342     if (!source && load_prop && (path = msi_dup_property( package, name )))
 343     {
 344         f->ResolvedTarget = strdupW( path );
 345         TRACE("   property set to %s\n", debugstr_w(path));
 346         return path;
 347     }
 348
 349     if (!f->Parent)
 350         return path;
 351
 352     parent = f->Parent;
 353
 354     TRACE(" ! Parent is %s\n", debugstr_w(parent));
 355
 356     p = resolve_folder(package, parent, source, set_prop, load_prop, NULL);
 357     if (!source)
 358     {
 359         TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 360
 361         path = build_directory_name( 3, p, f->TargetDefault, NULL );
 362         clean_spaces_from_path( path );
 363         f->ResolvedTarget = strdupW( path );
 364         TRACE("target -> %s\n", debugstr_w(path));
 365         if (set_prop)
 366             MSI_SetPropertyW(package,name,path);
 367     }
 368     else
 369     {
 370         path = NULL;
 371
 372         if (package->WordCount & msidbSumInfoSourceTypeCompressed)
 373             path = get_source_root( package );
 374         else if (package->WordCount & msidbSumInfoSourceTypeSFN)
 375             path = build_directory_name( 3, p, f->SourceShortPath, NULL );
 376         else
 377             path = build_directory_name( 3, p, f->SourceLongPath, NULL );
 378
 379         TRACE("source -> %s\n", debugstr_w(path));
 380         f->ResolvedSource = strdupW( path );
 381     }
 382     msi_free(p);
 383
 384     return path;
 385 }
 386
 387 /* wrapper to resist a need for a full rewrite right now */
 388 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 389 {
 390     if (ptr)
 391     {
 392         MSIRECORD *rec = MSI_CreateRecord(1);
 393         DWORD size = 0;
 394
 395         MSI_RecordSetStringW(rec,0,ptr);
 396         MSI_FormatRecordW(package,rec,NULL,&size);
 397
 398         size++;
 399         *data = msi_alloc(size*sizeof(WCHAR));
 400         if (size > 1)
 401             MSI_FormatRecordW(package,rec,*data,&size);
 402         else
 403             *data[0] = 0;
 404
 405         msiobj_release( &rec->hdr );
 406         return sizeof(WCHAR)*size;
 407     }
 408
 409     *data = NULL;
 410     return 0;
 411 }
 412
 413 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 414 {
 415     UINT count;
 416     LPWSTR *newbuf = NULL;
 417     if (script >= TOTAL_SCRIPTS)
 418     {
 419         FIXME("Unknown script requested %i\n",script);
 420         return ERROR_FUNCTION_FAILED;
 421     }
 422     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 423
 424     count = package->script->ActionCount[script];
 425     package->script->ActionCount[script]++;
 426     if (count != 0)
 427         newbuf = msi_realloc( package->script->Actions[script],
 428                         package->script->ActionCount[script]* sizeof(LPWSTR));
 429     else
 430         newbuf = msi_alloc( sizeof(LPWSTR));
 431
 432     newbuf[count] = strdupW(action);
 433     package->script->Actions[script] = newbuf;
 434
 435    return ERROR_SUCCESS;
 436 }
 437
 438 void msi_free_action_script(MSIPACKAGE *package, UINT script)
 439 {
 440     UINT i;
 441     for (i = 0; i < package->script->ActionCount[script]; i++)
 442         msi_free(package->script->Actions[script][i]);
 443
 444     msi_free(package->script->Actions[script]);
 445     package->script->Actions[script] = NULL;
 446     package->script->ActionCount[script] = 0;
 447 }
 448
 449 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 450 {
 451     struct list *item, *cursor;
 452
 453     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 454     {
 455         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 456
 457         list_remove( &temp->entry );
 458         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 459         if (!DeleteFileW( temp->Path ))
 460             ERR("failed to delete %s\n", debugstr_w( temp->Path ));
 461         msi_free( temp->Path );
 462         msi_free( temp );
 463     }
 464 }
 465
 466 static void free_feature( MSIFEATURE *feature )
 467 {
 468     struct list *item, *cursor;
 469
 470     LIST_FOR_EACH_SAFE( item, cursor, &feature->Children )
 471     {
 472         FeatureList *fl = LIST_ENTRY( item, FeatureList, entry );
 473         list_remove( &fl->entry );
 474         msi_free( fl );
 475     }
 476
 477     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 478     {
 479         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 480         list_remove( &cl->entry );
 481         msi_free( cl );
 482     }
 483     msi_free( feature->Feature );
 484     msi_free( feature->Feature_Parent );
 485     msi_free( feature->Directory );
 486     msi_free( feature->Description );
 487     msi_free( feature->Title );
 488     msi_free( feature );
 489 }
 490
 491 static void free_extension( MSIEXTENSION *ext )
 492 {
 493     struct list *item, *cursor;
 494
 495     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 496     {
 497         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 498
 499         list_remove( &verb->entry );
 500         msi_free( verb->Verb );
 501         msi_free( verb->Command );
 502         msi_free( verb->Argument );
 503         msi_free( verb );
 504     }
 505
 506     msi_free( ext->Extension );
 507     msi_free( ext->ProgIDText );
 508     msi_free( ext );
 509 }
 510
 511 /* Called when the package is being closed */
 512 void ACTION_free_package_structures( MSIPACKAGE* package)
 513 {
 514     INT i;
 515     struct list *item, *cursor;
 516
 517     TRACE("Freeing package action data\n");
 518
 519     remove_tracked_tempfiles(package);
 520
 521     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 522     {
 523         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 524         list_remove( &feature->entry );
 525         free_feature( feature );
 526     }
 527
 528     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 529     {
 530         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 531
 532         list_remove( &folder->entry );
 533         msi_free( folder->Parent );
 534         msi_free( folder->Directory );
 535         msi_free( folder->TargetDefault );
 536         msi_free( folder->SourceLongPath );
 537         msi_free( folder->SourceShortPath );
 538         msi_free( folder->ResolvedTarget );
 539         msi_free( folder->ResolvedSource );
 540         msi_free( folder->Property );
 541         msi_free( folder );
 542     }
 543
 544     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 545     {
 546         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 547
 548         list_remove( &comp->entry );
 549         msi_free( comp->Component );
 550         msi_free( comp->ComponentId );
 551         msi_free( comp->Directory );
 552         msi_free( comp->Condition );
 553         msi_free( comp->KeyPath );
 554         msi_free( comp->FullKeypath );
 555         msi_free( comp );
 556     }
 557
 558     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 559     {
 560         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 561
 562         list_remove( &file->entry );
 563         msi_free( file->File );
 564         msi_free( file->FileName );
 565         msi_free( file->ShortName );
 566         msi_free( file->LongName );
 567         msi_free( file->Version );
 568         msi_free( file->Language );
 569         msi_free( file->TargetPath );
 570         msi_free( file );
 571     }
 572
 573     /* clean up extension, progid, class and verb structures */
 574     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 575     {
 576         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 577
 578         list_remove( &cls->entry );
 579         msi_free( cls->clsid );
 580         msi_free( cls->Context );
 581         msi_free( cls->Description );
 582         msi_free( cls->FileTypeMask );
 583         msi_free( cls->IconPath );
 584         msi_free( cls->DefInprocHandler );
 585         msi_free( cls->DefInprocHandler32 );
 586         msi_free( cls->Argument );
 587         msi_free( cls->ProgIDText );
 588         msi_free( cls );
 589     }
 590
 591     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 592     {
 593         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 594
 595         list_remove( &ext->entry );
 596         free_extension( ext );
 597     }
 598
 599     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 600     {
 601         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 602
 603         list_remove( &progid->entry );
 604         msi_free( progid->ProgID );
 605         msi_free( progid->Description );
 606         msi_free( progid->IconPath );
 607         msi_free( progid );
 608     }
 609
 610     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 611     {
 612         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 613
 614         list_remove( &mt->entry );
 615         msi_free( mt->clsid );
 616         msi_free( mt->ContentType );
 617         msi_free( mt );
 618     }
 619
 620     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 621     {
 622         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 623
 624         list_remove( &appid->entry );
 625         msi_free( appid->AppID );
 626         msi_free( appid->RemoteServerName );
 627         msi_free( appid->LocalServer );
 628         msi_free( appid->ServiceParameters );
 629         msi_free( appid->DllSurrogate );
 630         msi_free( appid );
 631     }
 632
 633     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_info )
 634     {
 635         MSISOURCELISTINFO *info = LIST_ENTRY( item, MSISOURCELISTINFO, entry );
 636
 637         list_remove( &info->entry );
 638         msi_free( info->value );
 639         msi_free( info );
 640     }
 641
 642     LIST_FOR_EACH_SAFE( item, cursor, &package->sourcelist_media )
 643     {
 644         MSIMEDIADISK *info = LIST_ENTRY( item, MSIMEDIADISK, entry );
 645
 646         list_remove( &info->entry );
 647         msi_free( info->volume_label );
 648         msi_free( info->disk_prompt );
 649         msi_free( info );
 650     }
 651
 652     if (package->script)
 653     {
 654         for (i = 0; i < TOTAL_SCRIPTS; i++)
 655             msi_free_action_script(package, i);
 656
 657         for (i = 0; i < package->script->UniqueActionsCount; i++)
 658             msi_free(package->script->UniqueActions[i]);
 659
 660         msi_free(package->script->UniqueActions);
 661         msi_free(package->script);
 662     }
 663
 664     if (package->patch)
 665     {
 666         msi_free(package->patch->patchcode);
 667         msi_free(package->patch->transforms);
 668         msi_free(package->patch);
 669     }
 670
 671     msi_free(package->BaseURL);
 672     msi_free(package->PackagePath);
 673     msi_free(package->ProductCode);
 674     msi_free(package->ActionFormat);
 675     msi_free(package->LastAction);
 676
 677     /* cleanup control event subscriptions */
 678     ControlEvent_CleanupSubscriptions(package);
 679 }
 680
 681 /*
 682  *  build_directory_name()
 683  *
 684  *  This function is to save messing round with directory names
 685  *  It handles adding backslashes between path segments,
 686  *   and can add \ at the end of the directory name if told to.
 687  *
 688  *  It takes a variable number of arguments.
 689  *  It always allocates a new string for the result, so make sure
 690  *   to free the return value when finished with it.
 691  *
 692  *  The first arg is the number of path segments that follow.
 693  *  The arguments following count are a list of path segments.
 694  *  A path segment may be NULL.
 695  *
 696  *  Path segments will be added with a \ separating them.
 697  *  A \ will not be added after the last segment, however if the
 698  *    last segment is NULL, then the last character will be a \
 699  *
 700  */
 701 LPWSTR build_directory_name(DWORD count, ...)
 702 {
 703     DWORD sz = 1, i;
 704     LPWSTR dir;
 705     va_list va;
 706
 707     va_start(va,count);
 708     for(i=0; i<count; i++)
 709     {
 710         LPCWSTR str = va_arg(va,LPCWSTR);
 711         if (str)
 712             sz += strlenW(str) + 1;
 713     }
 714     va_end(va);
 715
 716     dir = msi_alloc(sz*sizeof(WCHAR));
 717     dir[0]=0;
 718
 719     va_start(va,count);
 720     for(i=0; i<count; i++)
 721     {
 722         LPCWSTR str = va_arg(va,LPCWSTR);
 723         if (!str)
 724             continue;
 725         strcatW(dir, str);
 726         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 727             strcatW(dir, cszbs);
 728     }
 729     return dir;
 730 }
 731
 732 /***********************************************************************
 733  *            create_full_pathW
 734  *
 735  * Recursively create all directories in the path.
 736  *
 737  * shamelessly stolen from setupapi/queue.c
 738  */
 739 BOOL create_full_pathW(const WCHAR *path)
 740 {
 741     BOOL ret = TRUE;
 742     int len;
 743     WCHAR *new_path;
 744
 745     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 746
 747     strcpyW(new_path, path);
 748
 749     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 750     new_path[len - 1] = 0;
 751
 752     while(!CreateDirectoryW(new_path, NULL))
 753     {
 754         WCHAR *slash;
 755         DWORD last_error = GetLastError();
 756         if(last_error == ERROR_ALREADY_EXISTS)
 757             break;
 758
 759         if(last_error != ERROR_PATH_NOT_FOUND)
 760         {
 761             ret = FALSE;
 762             break;
 763         }
 764
 765         if(!(slash = strrchrW(new_path, '\\')))
 766         {
 767             ret = FALSE;
 768             break;
 769         }
 770
 771         len = slash - new_path;
 772         new_path[len] = 0;
 773         if(!create_full_pathW(new_path))
 774         {
 775             ret = FALSE;
 776             break;
 777         }
 778         new_path[len] = '\\';
 779     }
 780
 781     msi_free(new_path);
 782     return ret;
 783 }
 784
 785 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 786 {
 787     MSIRECORD * row;
 788
 789     row = MSI_CreateRecord(4);
 790     MSI_RecordSetInteger(row,1,a);
 791     MSI_RecordSetInteger(row,2,b);
 792     MSI_RecordSetInteger(row,3,c);
 793     MSI_RecordSetInteger(row,4,d);
 794     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 795     msiobj_release(&row->hdr);
 796
 797     msi_dialog_check_messages(NULL);
 798 }
 799
 800 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 801 {
 802     static const WCHAR Query_t[] =
 803         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 804          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 805          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 806          ' ','\'','%','s','\'',0};
 807     WCHAR message[1024];
 808     MSIRECORD * row = 0;
 809     DWORD size;
 810
 811     if (!package->LastAction || strcmpW(package->LastAction,action))
 812     {
 813         row = MSI_QueryGetRecord(package->db, Query_t, action);
 814         if (!row)
 815             return;
 816
 817         if (MSI_RecordIsNull(row,3))
 818         {
 819             msiobj_release(&row->hdr);
 820             return;
 821         }
 822
 823         /* update the cached actionformat */
 824         msi_free(package->ActionFormat);
 825         package->ActionFormat = msi_dup_record_field(row,3);
 826
 827         msi_free(package->LastAction);
 828         package->LastAction = strdupW(action);
 829
 830         msiobj_release(&row->hdr);
 831     }
 832
 833     MSI_RecordSetStringW(record,0,package->ActionFormat);
 834     size = 1024;
 835     MSI_FormatRecordW(package,record,message,&size);
 836
 837     row = MSI_CreateRecord(1);
 838     MSI_RecordSetStringW(row,1,message);
 839
 840     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 841
 842     msiobj_release(&row->hdr);
 843 }
 844
 845 BOOL ACTION_VerifyComponentForAction( const MSICOMPONENT* comp, INSTALLSTATE check )
 846 {
 847     if (!comp)
 848         return FALSE;
 849
 850     if (comp->ActionRequest == check)
 851         return TRUE;
 852     else
 853         return FALSE;
 854 }
 855
 856 BOOL ACTION_VerifyFeatureForAction( const MSIFEATURE* feature, INSTALLSTATE check )
 857 {
 858     if (!feature)
 859         return FALSE;
 860
 861     if (feature->ActionRequest == check)
 862         return TRUE;
 863     else
 864         return FALSE;
 865 }
 866
 867 void reduce_to_longfilename(WCHAR* filename)
 868 {
 869     LPWSTR p = strchrW(filename,'|');
 870     if (p)
 871         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 872 }
 873
 874 void reduce_to_shortfilename(WCHAR* filename)
 875 {
 876     LPWSTR p = strchrW(filename,'|');
 877     if (p)
 878         *p = 0;
 879 }
 880
 881 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 882                 MSICOMPONENT* component, LPCWSTR feature)
 883 {
 884     static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
 885     WCHAR productid_85[21], component_85[21];
 886     LPWSTR output = NULL;
 887     DWORD sz = 0;
 888     GUID clsid;
 889
 890     /* > is used if there is a component GUID and < if not.  */
 891
 892     productid_85[0] = 0;
 893     component_85[0] = 0;
 894
 895     CLSIDFromString(package->ProductCode, &clsid);
 896     encode_base85_guid(&clsid, productid_85);
 897
 898     if (component)
 899     {
 900         CLSIDFromString(component->ComponentId, &clsid);
 901         encode_base85_guid(&clsid, component_85);
 902     }
 903
 904     TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
 905           debugstr_w(feature), debugstr_w(component_85));
 906
 907     sz = 20 + lstrlenW(feature) + 20 + 3;
 908
 909     output = msi_alloc_zero(sz*sizeof(WCHAR));
 910
 911     sprintfW(output, fmt, productid_85, feature,
 912              component?'>':'<', component_85);
 913
 914     return output;
 915 }
 916
 917 /* update component state based on a feature change */
 918 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 919 {
 920     INSTALLSTATE newstate;
 921     MSIFEATURE *feature;
 922     ComponentList *cl;
 923
 924     feature = get_loaded_feature(package,szFeature);
 925     if (!feature)
 926         return;
 927
 928     newstate = feature->ActionRequest;
 929
 930     if (newstate == INSTALLSTATE_ABSENT)
 931         newstate = INSTALLSTATE_UNKNOWN;
 932
 933     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 934     {
 935         MSICOMPONENT* component = cl->component;
 936
 937         TRACE("MODIFYING(%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         if (!component->Enabled)
 942             continue;
 943
 944         if (newstate == INSTALLSTATE_LOCAL)
 945             msi_component_set_state(package, component, INSTALLSTATE_LOCAL);
 946         else
 947         {
 948             ComponentList *clist;
 949             MSIFEATURE *f;
 950
 951             component->hasLocalFeature = FALSE;
 952
 953             msi_component_set_state(package, component, newstate);
 954
 955             /*if any other feature wants is local we need to set it local*/
 956             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 957             {
 958                 if ( f->ActionRequest != INSTALLSTATE_LOCAL &&
 959                      f->ActionRequest != INSTALLSTATE_SOURCE )
 960                 {
 961                     continue;
 962                 }
 963
 964                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 965                 {
 966                     if ( clist->component == component &&
 967                          (f->ActionRequest == INSTALLSTATE_LOCAL ||
 968                           f->ActionRequest == INSTALLSTATE_SOURCE) )
 969                     {
 970                         TRACE("Saved by %s\n", debugstr_w(f->Feature));
 971                         component->hasLocalFeature = TRUE;
 972
 973                         if (component->Attributes & msidbComponentAttributesOptional)
 974                         {
 975                             if (f->Attributes & msidbFeatureAttributesFavorSource)
 976                                 msi_component_set_state(package, component, INSTALLSTATE_SOURCE);
 977                             else
 978                                 msi_component_set_state(package, component, INSTALLSTATE_LOCAL);
 979                         }
 980                         else if (component->Attributes & msidbComponentAttributesSourceOnly)
 981                             msi_component_set_state(package, component, INSTALLSTATE_SOURCE);
 982                         else
 983                             msi_component_set_state(package, component, INSTALLSTATE_LOCAL);
 984                     }
 985                 }
 986             }
 987         }
 988         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 989             newstate, debugstr_w(component->Component), component->Installed,
 990             component->Action, component->ActionRequest);
 991     }
 992 }
 993
 994 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 995 {
 996     UINT count;
 997     LPWSTR *newbuf = NULL;
 998
 999     if (!package->script)
1000         return FALSE;
1001
1002     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
1003
1004     count = package->script->UniqueActionsCount;
1005     package->script->UniqueActionsCount++;
1006     if (count != 0)
1007         newbuf = msi_realloc( package->script->UniqueActions,
1008                         package->script->UniqueActionsCount* sizeof(LPWSTR));
1009     else
1010         newbuf = msi_alloc( sizeof(LPWSTR));
1011
1012     newbuf[count] = strdupW(action);
1013     package->script->UniqueActions = newbuf;
1014
1015     return ERROR_SUCCESS;
1016 }
1017
1018 BOOL check_unique_action(const MSIPACKAGE *package, LPCWSTR action)
1019 {
1020     UINT i;
1021
1022     if (!package->script)
1023         return FALSE;
1024
1025     for (i = 0; i < package->script->UniqueActionsCount; i++)
1026         if (!strcmpW(package->script->UniqueActions[i],action))
1027             return TRUE;
1028
1029     return FALSE;
1030 }
1031
1032 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
1033 {
1034     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};
1035
1036     MSIRECORD *rec;
1037     MSIRECORD *row;
1038     DWORD size = 0;
1039     DWORD i;
1040     va_list va;
1041     LPCWSTR str;
1042     LPWSTR data;
1043
1044     row = MSI_QueryGetRecord(package->db, query, error);
1045     if (!row)
1046         return 0;
1047
1048     rec = MSI_CreateRecord(count+2);
1049
1050     str = MSI_RecordGetString(row,1);
1051     MSI_RecordSetStringW(rec,0,str);
1052     msiobj_release( &row->hdr );
1053     MSI_RecordSetInteger(rec,1,error);
1054
1055     va_start(va,count);
1056     for (i = 0; i < count; i++)
1057     {
1058         str = va_arg(va,LPCWSTR);
1059         MSI_RecordSetStringW(rec,(i+2),str);
1060     }
1061     va_end(va);
1062
1063     MSI_FormatRecordW(package,rec,NULL,&size);
1064
1065     size++;
1066     data = msi_alloc(size*sizeof(WCHAR));
1067     if (size > 1)
1068         MSI_FormatRecordW(package,rec,data,&size);
1069     else
1070         data[0] = 0;
1071     msiobj_release( &rec->hdr );
1072     return data;
1073 }
1074
1075 void msi_ui_error( DWORD msg_id, DWORD type )
1076 {
1077     WCHAR text[2048];
1078
1079     static const WCHAR title[] = {
1080         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
1081     };
1082
1083     if (!MsiLoadStringW( -1, msg_id, text, sizeof(text) / sizeof(text[0]),
1084                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL) ))
1085         return;
1086
1087     MessageBoxW( NULL, text, title, type );
1088 }