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 variaty of
  23  * actions and functions.
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winerror.h"
  31 #include "wine/debug.h"
  32 #include "msipriv.h"
  33 #include "winuser.h"
  34 #include "wine/unicode.h"
  35 #include "msidefs.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  38
  39 static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
  40 static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
  41
  42 const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
  43 const WCHAR cszSOURCEDIR[] = {'S','O','U','R','C','E','D','I','R',0};
  44 const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
  45 const WCHAR cszbs[]={'\\',0};
  46
  47 LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
  48 {
  49     LPWSTR SystemFolder, dest, FilePath;
  50
  51     static const WCHAR szInstaller[] =
  52         {'M','i','c','r','o','s','o','f','t','\\',
  53          'I','n','s','t','a','l','l','e','r','\\',0};
  54     static const WCHAR szFolder[] =
  55         {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
  56
  57     SystemFolder = msi_dup_property( package, szFolder );
  58
  59     dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
  60
  61     create_full_pathW(dest);
  62
  63     FilePath = build_directory_name(2, dest, icon_name);
  64
  65     msi_free(SystemFolder);
  66     msi_free(dest);
  67     return FilePath;
  68 }
  69
  70 LPWSTR msi_dup_record_field( MSIRECORD *rec, INT field )
  71 {
  72     DWORD sz = 0;
  73     LPWSTR str;
  74     UINT r;
  75
  76     if (MSI_RecordIsNull( rec, field ))
  77         return NULL;
  78
  79     r = MSI_RecordGetStringW( rec, field, NULL, &sz );
  80     if (r != ERROR_SUCCESS)
  81         return NULL;
  82
  83     sz ++;
  84     str = msi_alloc( sz * sizeof (WCHAR) );
  85     if (!str)
  86         return str;
  87     str[0] = 0;
  88     r = MSI_RecordGetStringW( rec, field, str, &sz );
  89     if (r != ERROR_SUCCESS)
  90     {
  91         ERR("failed to get string!\n");
  92         msi_free( str );
  93         return NULL;
  94     }
  95     return str;
  96 }
  97
  98 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
  99 {
 100     MSICOMPONENT *comp;
 101
 102     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 103     {
 104         if (lstrcmpW(Component,comp->Component)==0)
 105             return comp;
 106     }
 107     return NULL;
 108 }
 109
 110 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 111 {
 112     MSIFEATURE *feature;
 113
 114     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 115     {
 116         if (lstrcmpW( Feature, feature->Feature )==0)
 117             return feature;
 118     }
 119     return NULL;
 120 }
 121
 122 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 123 {
 124     MSIFILE *file;
 125
 126     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 127     {
 128         if (lstrcmpW( key, file->File )==0)
 129             return file;
 130     }
 131     return NULL;
 132 }
 133
 134 int track_tempfile( MSIPACKAGE *package, LPCWSTR path )
 135 {
 136     MSITEMPFILE *temp;
 137
 138     TRACE("%s\n", debugstr_w(path));
 139
 140     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 141         if (!lstrcmpW( path, temp->Path ))
 142             return 0;
 143
 144     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 145     if (!temp)
 146         return -1;
 147
 148     list_add_head( &package->tempfiles, &temp->entry );
 149     temp->Path = strdupW( path );
 150
 151     return 0;
 152 }
 153
 154 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 155 {
 156     MSIFOLDER *folder;
 157
 158     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 159     {
 160         if (lstrcmpW( dir, folder->Directory )==0)
 161             return folder;
 162     }
 163     return NULL;
 164 }
 165
 166 static LPWSTR get_source_root( MSIPACKAGE *package )
 167 {
 168     LPWSTR path, p;
 169
 170     path = msi_dup_property( package, cszSourceDir );
 171     if (path)
 172         return path;
 173
 174     path = msi_dup_property( package, cszDatabase );
 175     if (path)
 176     {
 177         p = strrchrW(path,'\\');
 178         if (p)
 179             *(p+1) = 0;
 180     }
 181     return path;
 182 }
 183
 184 /*
 185  * clean_spaces_from_path()
 186  *
 187  * removes spaces from the beginning and end of path segments
 188  * removes multiple \\ characters
 189  */
 190 static void clean_spaces_from_path( LPWSTR p )
 191 {
 192     LPWSTR q = p;
 193     int n, len = 0;
 194
 195     while (1)
 196     {
 197         /* copy until the end of the string or a space */
 198         while (*p != ' ' && (*q = *p))
 199         {
 200             p++, len++;
 201             /* reduce many backslashes to one */
 202             if (*p != '\\' || *q != '\\')
 203                 q++;
 204         }
 205
 206         /* quit at the end of the string */
 207         if (!*p)
 208             break;
 209
 210         /* count the number of spaces */
 211         n = 0;
 212         while (p[n] == ' ')
 213             n++;
 214
 215         /* if it's leading or trailing space, skip it */
 216         if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
 217             p += n;
 218         else  /* copy n spaces */
 219             while (n && (*q++ = *p++)) n--;
 220     }
 221 }
 222
 223 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 224                       BOOL set_prop, BOOL load_prop, MSIFOLDER **folder)
 225 {
 226     MSIFOLDER *f;
 227     LPWSTR p, path = NULL, parent;
 228
 229     TRACE("Working to resolve %s\n",debugstr_w(name));
 230
 231     if (!name)
 232         return NULL;
 233
 234     if (!lstrcmpW(name,cszSourceDir))
 235         name = cszTargetDir;
 236
 237     f = get_loaded_folder( package, name );
 238     if (!f)
 239         return NULL;
 240
 241     /* special resolving for Target and Source root dir */
 242     if (!strcmpW(name,cszTargetDir))
 243     {
 244         if (!f->ResolvedTarget && !f->Property)
 245         {
 246             LPWSTR check_path;
 247             check_path = msi_dup_property( package, cszTargetDir );
 248             if (!check_path)
 249             {
 250                 check_path = msi_dup_property( package, cszRootDrive );
 251                 if (set_prop)
 252                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 253             }
 254
 255             /* correct misbuilt target dir */
 256             path = build_directory_name(2, check_path, NULL);
 257             clean_spaces_from_path( path );
 258             if (strcmpiW(path,check_path)!=0)
 259                 MSI_SetPropertyW(package,cszTargetDir,path);
 260             msi_free(check_path);
 261
 262             f->ResolvedTarget = path;
 263         }
 264
 265         if (!f->ResolvedSource)
 266             f->ResolvedSource = get_source_root( package );
 267     }
 268
 269     if (folder)
 270         *folder = f;
 271
 272     if (!source && f->ResolvedTarget)
 273     {
 274         path = strdupW( f->ResolvedTarget );
 275         TRACE("   already resolved to %s\n",debugstr_w(path));
 276         return path;
 277     }
 278
 279     if (source && f->ResolvedSource)
 280     {
 281         path = strdupW( f->ResolvedSource );
 282         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 283         return path;
 284     }
 285
 286     if (!source && f->Property)
 287     {
 288         path = build_directory_name( 2, f->Property, NULL );
 289
 290         TRACE("   internally set to %s\n",debugstr_w(path));
 291         if (set_prop)
 292             MSI_SetPropertyW( package, name, path );
 293         return path;
 294     }
 295
 296     if (!source && load_prop && (path = msi_dup_property( package, name )))
 297     {
 298         f->ResolvedTarget = strdupW( path );
 299         TRACE("   property set to %s\n", debugstr_w(path));
 300         return path;
 301     }
 302
 303     if (!f->Parent)
 304         return path;
 305
 306     parent = f->Parent;
 307
 308     TRACE(" ! Parent is %s\n", debugstr_w(parent));
 309
 310     p = resolve_folder(package, parent, source, set_prop, load_prop, NULL);
 311     if (!source)
 312     {
 313         TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 314
 315         path = build_directory_name( 3, p, f->TargetDefault, NULL );
 316         clean_spaces_from_path( path );
 317         f->ResolvedTarget = strdupW( path );
 318         TRACE("target -> %s\n", debugstr_w(path));
 319         if (set_prop)
 320             MSI_SetPropertyW(package,name,path);
 321     }
 322     else
 323     {
 324         /* source may be in a few different places ... check each of them */
 325         path = NULL;
 326
 327         /* try the long path directory */
 328         if (f->SourceLongPath)
 329         {
 330             path = build_directory_name( 3, p, f->SourceLongPath, NULL );
 331             if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 332             {
 333                 msi_free( path );
 334                 path = NULL;
 335             }
 336         }
 337
 338         /* try the short path directory */
 339         if (!path && f->SourceShortPath)
 340         {
 341             path = build_directory_name( 3, p, f->SourceShortPath, NULL );
 342             if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 343             {
 344                 msi_free( path );
 345                 path = NULL;
 346             }
 347         }
 348
 349         /* try the root of the install */
 350         if (!path)
 351             path = get_source_root( package );
 352
 353         TRACE("source -> %s\n", debugstr_w(path));
 354         f->ResolvedSource = strdupW( path );
 355     }
 356     msi_free(p);
 357
 358     return path;
 359 }
 360
 361 /* wrapper to resist a need for a full rewrite right now */
 362 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 363 {
 364     if (ptr)
 365     {
 366         MSIRECORD *rec = MSI_CreateRecord(1);
 367         DWORD size = 0;
 368
 369         MSI_RecordSetStringW(rec,0,ptr);
 370         MSI_FormatRecordW(package,rec,NULL,&size);
 371         if (size >= 0)
 372         {
 373             size++;
 374             *data = msi_alloc(size*sizeof(WCHAR));
 375             if (size > 1)
 376                 MSI_FormatRecordW(package,rec,*data,&size);
 377             else
 378                 *data[0] = 0;
 379             msiobj_release( &rec->hdr );
 380             return sizeof(WCHAR)*size;
 381         }
 382         msiobj_release( &rec->hdr );
 383     }
 384
 385     *data = NULL;
 386     return 0;
 387 }
 388
 389 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 390 {
 391     UINT count;
 392     LPWSTR *newbuf = NULL;
 393     if (script >= TOTAL_SCRIPTS)
 394     {
 395         FIXME("Unknown script requested %i\n",script);
 396         return ERROR_FUNCTION_FAILED;
 397     }
 398     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 399
 400     count = package->script->ActionCount[script];
 401     package->script->ActionCount[script]++;
 402     if (count != 0)
 403         newbuf = msi_realloc( package->script->Actions[script],
 404                         package->script->ActionCount[script]* sizeof(LPWSTR));
 405     else
 406         newbuf = msi_alloc( sizeof(LPWSTR));
 407
 408     newbuf[count] = strdupW(action);
 409     package->script->Actions[script] = newbuf;
 410
 411    return ERROR_SUCCESS;
 412 }
 413
 414 void msi_free_action_script(MSIPACKAGE *package, UINT script)
 415 {
 416     int i;
 417     for (i = 0; i < package->script->ActionCount[script]; i++)
 418         msi_free(package->script->Actions[script][i]);
 419
 420     msi_free(package->script->Actions[script]);
 421     package->script->Actions[script] = NULL;
 422     package->script->ActionCount[script] = 0;
 423 }
 424
 425 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 426 {
 427     struct list *item, *cursor;
 428
 429     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 430     {
 431         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 432
 433         list_remove( &temp->entry );
 434         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 435         if (!DeleteFileW( temp->Path ))
 436             ERR("failed to delete %s\n", debugstr_w( temp->Path ));
 437         msi_free( temp->Path );
 438         msi_free( temp );
 439     }
 440 }
 441
 442 static void free_feature( MSIFEATURE *feature )
 443 {
 444     struct list *item, *cursor;
 445
 446     LIST_FOR_EACH_SAFE( item, cursor, &feature->Children )
 447     {
 448         FeatureList *fl = LIST_ENTRY( item, FeatureList, entry );
 449         list_remove( &fl->entry );
 450         msi_free( fl );
 451     }
 452
 453     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 454     {
 455         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 456         list_remove( &cl->entry );
 457         msi_free( cl );
 458     }
 459     msi_free( feature->Feature );
 460     msi_free( feature->Feature_Parent );
 461     msi_free( feature->Directory );
 462     msi_free( feature->Description );
 463     msi_free( feature->Title );
 464     msi_free( feature );
 465 }
 466
 467 static void free_extension( MSIEXTENSION *ext )
 468 {
 469     struct list *item, *cursor;
 470
 471     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 472     {
 473         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 474
 475         list_remove( &verb->entry );
 476         msi_free( verb->Verb );
 477         msi_free( verb->Command );
 478         msi_free( verb->Argument );
 479         msi_free( verb );
 480     }
 481
 482     msi_free( ext->Extension );
 483     msi_free( ext->ProgIDText );
 484     msi_free( ext );
 485 }
 486
 487 /* Called when the package is being closed */
 488 void ACTION_free_package_structures( MSIPACKAGE* package)
 489 {
 490     INT i;
 491     struct list *item, *cursor;
 492
 493     TRACE("Freeing package action data\n");
 494
 495     remove_tracked_tempfiles(package);
 496
 497     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 498     {
 499         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 500         list_remove( &feature->entry );
 501         free_feature( feature );
 502     }
 503
 504     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 505     {
 506         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 507
 508         list_remove( &folder->entry );
 509         msi_free( folder->Parent );
 510         msi_free( folder->Directory );
 511         msi_free( folder->TargetDefault );
 512         msi_free( folder->SourceLongPath );
 513         msi_free( folder->SourceShortPath );
 514         msi_free( folder->ResolvedTarget );
 515         msi_free( folder->ResolvedSource );
 516         msi_free( folder->Property );
 517         msi_free( folder );
 518     }
 519
 520     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 521     {
 522         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 523
 524         list_remove( &comp->entry );
 525         msi_free( comp->Component );
 526         msi_free( comp->ComponentId );
 527         msi_free( comp->Directory );
 528         msi_free( comp->Condition );
 529         msi_free( comp->KeyPath );
 530         msi_free( comp->FullKeypath );
 531         msi_free( comp );
 532     }
 533
 534     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 535     {
 536         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 537
 538         list_remove( &file->entry );
 539         msi_free( file->File );
 540         msi_free( file->FileName );
 541         msi_free( file->ShortName );
 542         msi_free( file->LongName );
 543         msi_free( file->Version );
 544         msi_free( file->Language );
 545         msi_free( file->SourcePath );
 546         msi_free( file->TargetPath );
 547         msi_free( file );
 548     }
 549
 550     /* clean up extension, progid, class and verb structures */
 551     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 552     {
 553         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 554
 555         list_remove( &cls->entry );
 556         msi_free( cls->clsid );
 557         msi_free( cls->Context );
 558         msi_free( cls->Description );
 559         msi_free( cls->FileTypeMask );
 560         msi_free( cls->IconPath );
 561         msi_free( cls->DefInprocHandler );
 562         msi_free( cls->DefInprocHandler32 );
 563         msi_free( cls->Argument );
 564         msi_free( cls->ProgIDText );
 565         msi_free( cls );
 566     }
 567
 568     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 569     {
 570         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 571
 572         list_remove( &ext->entry );
 573         free_extension( ext );
 574     }
 575
 576     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 577     {
 578         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 579
 580         list_remove( &progid->entry );
 581         msi_free( progid->ProgID );
 582         msi_free( progid->Description );
 583         msi_free( progid->IconPath );
 584         msi_free( progid );
 585     }
 586
 587     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 588     {
 589         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 590
 591         list_remove( &mt->entry );
 592         msi_free( mt->clsid );
 593         msi_free( mt->ContentType );
 594         msi_free( mt );
 595     }
 596
 597     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 598     {
 599         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 600
 601         list_remove( &appid->entry );
 602         msi_free( appid->AppID );
 603         msi_free( appid->RemoteServerName );
 604         msi_free( appid->LocalServer );
 605         msi_free( appid->ServiceParameters );
 606         msi_free( appid->DllSurrogate );
 607         msi_free( appid );
 608     }
 609
 610     if (package->script)
 611     {
 612         for (i = 0; i < TOTAL_SCRIPTS; i++)
 613             msi_free_action_script(package, i);
 614
 615         for (i = 0; i < package->script->UniqueActionsCount; i++)
 616             msi_free(package->script->UniqueActions[i]);
 617
 618         msi_free(package->script->UniqueActions);
 619         msi_free(package->script);
 620     }
 621
 622     msi_free(package->BaseURL);
 623     msi_free(package->PackagePath);
 624     msi_free(package->ProductCode);
 625     msi_free(package->ActionFormat);
 626     msi_free(package->LastAction);
 627
 628     /* cleanup control event subscriptions */
 629     ControlEvent_CleanupSubscriptions(package);
 630 }
 631
 632 /*
 633  *  build_directory_name()
 634  *
 635  *  This function is to save messing round with directory names
 636  *  It handles adding backslashes between path segments,
 637  *   and can add \ at the end of the directory name if told to.
 638  *
 639  *  It takes a variable number of arguments.
 640  *  It always allocates a new string for the result, so make sure
 641  *   to free the return value when finished with it.
 642  *
 643  *  The first arg is the number of path segments that follow.
 644  *  The arguments following count are a list of path segments.
 645  *  A path segment may be NULL.
 646  *
 647  *  Path segments will be added with a \ separating them.
 648  *  A \ will not be added after the last segment, however if the
 649  *    last segment is NULL, then the last character will be a \
 650  *
 651  */
 652 LPWSTR build_directory_name(DWORD count, ...)
 653 {
 654     DWORD sz = 1, i;
 655     LPWSTR dir;
 656     va_list va;
 657
 658     va_start(va,count);
 659     for(i=0; i<count; i++)
 660     {
 661         LPCWSTR str = va_arg(va,LPCWSTR);
 662         if (str)
 663             sz += strlenW(str) + 1;
 664     }
 665     va_end(va);
 666
 667     dir = msi_alloc(sz*sizeof(WCHAR));
 668     dir[0]=0;
 669
 670     va_start(va,count);
 671     for(i=0; i<count; i++)
 672     {
 673         LPCWSTR str = va_arg(va,LPCWSTR);
 674         if (!str)
 675             continue;
 676         strcatW(dir, str);
 677         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 678             strcatW(dir, cszbs);
 679     }
 680     return dir;
 681 }
 682
 683 /***********************************************************************
 684  *            create_full_pathW
 685  *
 686  * Recursively create all directories in the path.
 687  *
 688  * shamelessly stolen from setupapi/queue.c
 689  */
 690 BOOL create_full_pathW(const WCHAR *path)
 691 {
 692     BOOL ret = TRUE;
 693     int len;
 694     WCHAR *new_path;
 695
 696     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 697
 698     strcpyW(new_path, path);
 699
 700     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 701     new_path[len - 1] = 0;
 702
 703     while(!CreateDirectoryW(new_path, NULL))
 704     {
 705         WCHAR *slash;
 706         DWORD last_error = GetLastError();
 707         if(last_error == ERROR_ALREADY_EXISTS)
 708             break;
 709
 710         if(last_error != ERROR_PATH_NOT_FOUND)
 711         {
 712             ret = FALSE;
 713             break;
 714         }
 715
 716         if(!(slash = strrchrW(new_path, '\\')))
 717         {
 718             ret = FALSE;
 719             break;
 720         }
 721
 722         len = slash - new_path;
 723         new_path[len] = 0;
 724         if(!create_full_pathW(new_path))
 725         {
 726             ret = FALSE;
 727             break;
 728         }
 729         new_path[len] = '\\';
 730     }
 731
 732     msi_free(new_path);
 733     return ret;
 734 }
 735
 736 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 737 {
 738     MSIRECORD * row;
 739
 740     row = MSI_CreateRecord(4);
 741     MSI_RecordSetInteger(row,1,a);
 742     MSI_RecordSetInteger(row,2,b);
 743     MSI_RecordSetInteger(row,3,c);
 744     MSI_RecordSetInteger(row,4,d);
 745     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 746     msiobj_release(&row->hdr);
 747
 748     msi_dialog_check_messages(NULL);
 749 }
 750
 751 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 752 {
 753     static const WCHAR Query_t[] =
 754         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 755          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 756          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 757          ' ','\'','%','s','\'',0};
 758     WCHAR message[1024];
 759     MSIRECORD * row = 0;
 760     DWORD size;
 761
 762     if (!package->LastAction || strcmpW(package->LastAction,action))
 763     {
 764         row = MSI_QueryGetRecord(package->db, Query_t, action);
 765         if (!row)
 766             return;
 767
 768         if (MSI_RecordIsNull(row,3))
 769         {
 770             msiobj_release(&row->hdr);
 771             return;
 772         }
 773
 774         /* update the cached actionformat */
 775         msi_free(package->ActionFormat);
 776         package->ActionFormat = msi_dup_record_field(row,3);
 777
 778         msi_free(package->LastAction);
 779         package->LastAction = strdupW(action);
 780
 781         msiobj_release(&row->hdr);
 782     }
 783
 784     MSI_RecordSetStringW(record,0,package->ActionFormat);
 785     size = 1024;
 786     MSI_FormatRecordW(package,record,message,&size);
 787
 788     row = MSI_CreateRecord(1);
 789     MSI_RecordSetStringW(row,1,message);
 790
 791     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 792
 793     msiobj_release(&row->hdr);
 794 }
 795
 796 BOOL ACTION_VerifyComponentForAction( const MSICOMPONENT* comp, INSTALLSTATE check )
 797 {
 798     if (!comp)
 799         return FALSE;
 800
 801     if (comp->Installed == check)
 802         return FALSE;
 803
 804     if (comp->ActionRequest == check)
 805         return TRUE;
 806     else
 807         return FALSE;
 808 }
 809
 810 BOOL ACTION_VerifyFeatureForAction( const MSIFEATURE* feature, INSTALLSTATE check )
 811 {
 812     if (!feature)
 813         return FALSE;
 814
 815     if (feature->Installed == check)
 816         return FALSE;
 817
 818     if (feature->ActionRequest == check)
 819         return TRUE;
 820     else
 821         return FALSE;
 822 }
 823
 824 void reduce_to_longfilename(WCHAR* filename)
 825 {
 826     LPWSTR p = strchrW(filename,'|');
 827     if (p)
 828         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 829 }
 830
 831 void reduce_to_shortfilename(WCHAR* filename)
 832 {
 833     LPWSTR p = strchrW(filename,'|');
 834     if (p)
 835         *p = 0;
 836 }
 837
 838 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 839                 MSICOMPONENT* component, LPCWSTR feature)
 840 {
 841     static const WCHAR fmt[] = {'%','s','%','s','%','c','%','s',0};
 842     WCHAR productid_85[21], component_85[21];
 843     LPWSTR output = NULL;
 844     DWORD sz = 0;
 845     GUID clsid;
 846
 847     /* > is used if there is a component GUID and < if not.  */
 848
 849     productid_85[0] = 0;
 850     component_85[0] = 0;
 851
 852     CLSIDFromString(package->ProductCode, &clsid);
 853     encode_base85_guid(&clsid, productid_85);
 854
 855     if (component)
 856     {
 857         CLSIDFromString(component->ComponentId, &clsid);
 858         encode_base85_guid(&clsid, component_85);
 859     }
 860
 861     TRACE("prod=%s feat=%s comp=%s\n", debugstr_w(productid_85),
 862           debugstr_w(feature), debugstr_w(component_85));
 863
 864     sz = 20 + lstrlenW(feature) + 20 + 3;
 865
 866     output = msi_alloc_zero(sz*sizeof(WCHAR));
 867
 868     sprintfW(output, fmt, productid_85, feature,
 869              component?'>':'<', component_85);
 870
 871     return output;
 872 }
 873
 874 /* update compoennt state based on a feature change */
 875 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 876 {
 877     INSTALLSTATE newstate;
 878     MSIFEATURE *feature;
 879     ComponentList *cl;
 880
 881     feature = get_loaded_feature(package,szFeature);
 882     if (!feature)
 883         return;
 884
 885     newstate = feature->ActionRequest;
 886
 887     if (newstate == INSTALLSTATE_ABSENT)
 888         newstate = INSTALLSTATE_UNKNOWN;
 889
 890     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 891     {
 892         MSICOMPONENT* component = cl->component;
 893
 894         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 895             newstate, debugstr_w(component->Component), component->Installed,
 896             component->Action, component->ActionRequest);
 897
 898         if (!component->Enabled)
 899             continue;
 900
 901         if (newstate == INSTALLSTATE_LOCAL)
 902             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 903         else
 904         {
 905             ComponentList *clist;
 906             MSIFEATURE *f;
 907
 908             msi_component_set_state( component, newstate );
 909
 910             /*if any other feature wants is local we need to set it local*/
 911             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 912             {
 913                 if ( f->ActionRequest != INSTALLSTATE_LOCAL &&
 914                      f->ActionRequest != INSTALLSTATE_SOURCE )
 915                 {
 916                     continue;
 917                 }
 918
 919                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 920                 {
 921                     if ( clist->component == component &&
 922                          (f->ActionRequest == INSTALLSTATE_LOCAL ||
 923                           f->ActionRequest == INSTALLSTATE_SOURCE) )
 924                     {
 925                         TRACE("Saved by %s\n", debugstr_w(f->Feature));
 926
 927                         if (component->Attributes & msidbComponentAttributesOptional)
 928                         {
 929                             if (f->Attributes & msidbFeatureAttributesFavorSource)
 930                                 msi_component_set_state( component, INSTALLSTATE_SOURCE );
 931                             else
 932                                 msi_component_set_state( component, INSTALLSTATE_LOCAL );
 933                         }
 934                         else if (component->Attributes & msidbComponentAttributesSourceOnly)
 935                             msi_component_set_state( component, INSTALLSTATE_SOURCE );
 936                         else
 937                             msi_component_set_state( component, INSTALLSTATE_LOCAL );
 938                     }
 939                 }
 940             }
 941         }
 942         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 943             newstate, debugstr_w(component->Component), component->Installed,
 944             component->Action, component->ActionRequest);
 945     }
 946 }
 947
 948 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 949 {
 950     UINT count;
 951     LPWSTR *newbuf = NULL;
 952
 953     if (!package->script)
 954         return FALSE;
 955
 956     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 957
 958     count = package->script->UniqueActionsCount;
 959     package->script->UniqueActionsCount++;
 960     if (count != 0)
 961         newbuf = msi_realloc( package->script->UniqueActions,
 962                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 963     else
 964         newbuf = msi_alloc( sizeof(LPWSTR));
 965
 966     newbuf[count] = strdupW(action);
 967     package->script->UniqueActions = newbuf;
 968
 969     return ERROR_SUCCESS;
 970 }
 971
 972 BOOL check_unique_action(const MSIPACKAGE *package, LPCWSTR action)
 973 {
 974     INT i;
 975
 976     if (!package->script)
 977         return FALSE;
 978
 979     for (i = 0; i < package->script->UniqueActionsCount; i++)
 980         if (!strcmpW(package->script->UniqueActions[i],action))
 981             return TRUE;
 982
 983     return FALSE;
 984 }
 985
 986 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 987 {
 988     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};
 989
 990     MSIRECORD *rec;
 991     MSIRECORD *row;
 992     DWORD size = 0;
 993     DWORD i;
 994     va_list va;
 995     LPCWSTR str;
 996     LPWSTR data;
 997
 998     row = MSI_QueryGetRecord(package->db, query, error);
 999     if (!row)
1000         return 0;
1001
1002     rec = MSI_CreateRecord(count+2);
1003
1004     str = MSI_RecordGetString(row,1);
1005     MSI_RecordSetStringW(rec,0,str);
1006     msiobj_release( &row->hdr );
1007     MSI_RecordSetInteger(rec,1,error);
1008
1009     va_start(va,count);
1010     for (i = 0; i < count; i++)
1011     {
1012         str = va_arg(va,LPCWSTR);
1013         MSI_RecordSetStringW(rec,(i+2),str);
1014     }
1015     va_end(va);
1016
1017     MSI_FormatRecordW(package,rec,NULL,&size);
1018     if (size >= 0)
1019     {
1020         size++;
1021         data = msi_alloc(size*sizeof(WCHAR));
1022         if (size > 1)
1023             MSI_FormatRecordW(package,rec,data,&size);
1024         else
1025             data[0] = 0;
1026         msiobj_release( &rec->hdr );
1027         return data;
1028     }
1029
1030     msiobj_release( &rec->hdr );
1031     data = NULL;
1032     return data;
1033 }
1034
1035 void msi_ui_error( DWORD msg_id, DWORD type )
1036 {
1037     WCHAR text[2048];
1038
1039     static const WCHAR title[] = {
1040         'W','i','n','d','o','w','s',' ','I','n','s','t','a','l','l','e','r',0
1041     };
1042
1043     if (!MsiLoadStringW( -1, msg_id, text, sizeof(text) / sizeof(text[0]),
1044                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL) ))
1045         return;
1046
1047     MessageBoxW( NULL, text, title, type );
1048 }