reactos/dll/win32/msi/helpers.c

   1 /*
   2  * Implementation of the Microsoft Installer (msi.dll)
   3  *
   4  * Copyright 2005 Aric Stewart for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * Here are helper functions formally in action.c that are used by a variaty of
  23  * actions and functions.
  24  */
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winerror.h"
  31 #include "wine/debug.h"
  32 #include "msipriv.h"
  33 #include "winuser.h"
  34 #include "wine/unicode.h"
  35 #include "action.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msi);
  38
  39 static const WCHAR cszTargetDir[] = {'T','A','R','G','E','T','D','I','R',0};
  40 static const WCHAR cszDatabase[]={'D','A','T','A','B','A','S','E',0};
  41
  42 const WCHAR cszSourceDir[] = {'S','o','u','r','c','e','D','i','r',0};
  43 const WCHAR cszRootDrive[] = {'R','O','O','T','D','R','I','V','E',0};
  44 const WCHAR cszbs[]={'\\',0};
  45
  46 DWORD build_version_dword(LPCWSTR version_string)
  47 {
  48     SHORT major,minor;
  49     WORD build;
  50     DWORD rc = 0x00000000;
  51     LPCWSTR ptr1;
  52
  53     ptr1 = version_string;
  54
  55     if (!ptr1)
  56         return rc;
  57     else
  58         major = atoiW(ptr1);
  59
  60
  61     if(ptr1)
  62         ptr1 = strchrW(ptr1,'.');
  63     if (ptr1)
  64     {
  65         ptr1++;
  66         minor = atoiW(ptr1);
  67     }
  68     else
  69         minor = 0;
  70
  71     if (ptr1)
  72         ptr1 = strchrW(ptr1,'.');
  73
  74     if (ptr1)
  75     {
  76         ptr1++;
  77         build = atoiW(ptr1);
  78     }
  79     else
  80         build = 0;
  81
  82     rc = MAKELONG(build,MAKEWORD(minor,major));
  83     TRACE("%s -> 0x%lx\n",debugstr_w(version_string),rc);
  84     return rc;
  85 }
  86
  87 LPWSTR build_icon_path(MSIPACKAGE *package, LPCWSTR icon_name )
  88 {
  89     LPWSTR SystemFolder, dest, FilePath;
  90
  91     static const WCHAR szInstaller[] =
  92         {'M','i','c','r','o','s','o','f','t','\\',
  93          'I','n','s','t','a','l','l','e','r','\\',0};
  94     static const WCHAR szFolder[] =
  95         {'A','p','p','D','a','t','a','F','o','l','d','e','r',0};
  96
  97     SystemFolder = msi_dup_property( package, szFolder );
  98
  99     dest = build_directory_name(3, SystemFolder, szInstaller, package->ProductCode);
 100
 101     create_full_pathW(dest);
 102
 103     FilePath = build_directory_name(2, dest, icon_name);
 104
 105     msi_free(SystemFolder);
 106     msi_free(dest);
 107     return FilePath;
 108 }
 109
 110 LPWSTR msi_dup_record_field( MSIRECORD *row, INT index )
 111 {
 112     return strdupW( MSI_RecordGetString(row,index) );
 113 }
 114
 115 LPWSTR msi_dup_property(MSIPACKAGE *package, LPCWSTR prop)
 116 {
 117     DWORD sz = 0;
 118     LPWSTR str;
 119     UINT r;
 120
 121     r = MSI_GetPropertyW(package, prop, NULL, &sz);
 122     if (r != ERROR_SUCCESS && r != ERROR_MORE_DATA)
 123         return NULL;
 124
 125     sz++;
 126     str = msi_alloc(sz*sizeof(WCHAR));
 127     r = MSI_GetPropertyW(package, prop, str, &sz);
 128     if (r != ERROR_SUCCESS)
 129     {
 130         msi_free(str);
 131         str = NULL;
 132     }
 133     return str;
 134 }
 135
 136 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
 137 {
 138     MSICOMPONENT *comp;
 139
 140     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 141     {
 142         if (lstrcmpW(Component,comp->Component)==0)
 143             return comp;
 144     }
 145     return NULL;
 146 }
 147
 148 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 149 {
 150     MSIFEATURE *feature;
 151
 152     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 153     {
 154         if (lstrcmpW( Feature, feature->Feature )==0)
 155             return feature;
 156     }
 157     return NULL;
 158 }
 159
 160 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 161 {
 162     MSIFILE *file;
 163
 164     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 165     {
 166         if (lstrcmpW( key, file->File )==0)
 167             return file;
 168     }
 169     return NULL;
 170 }
 171
 172 int track_tempfile( MSIPACKAGE *package, LPCWSTR name, LPCWSTR path )
 173 {
 174     MSITEMPFILE *temp;
 175
 176     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 177     {
 178         if (lstrcmpW( name, temp->File )==0)
 179         {
 180             TRACE("tempfile %s already exists with path %s\n",
 181                 debugstr_w(temp->File), debugstr_w(temp->Path));
 182             return -1;
 183         }
 184     }
 185
 186     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 187     if (!temp)
 188         return -1;
 189
 190     list_add_head( &package->tempfiles, &temp->entry );
 191
 192     temp->File = strdupW( name );
 193     temp->Path = strdupW( path );
 194
 195     TRACE("adding tempfile %s with path %s\n",
 196            debugstr_w(temp->File), debugstr_w(temp->Path));
 197
 198     return 0;
 199 }
 200
 201 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 202 {
 203     MSIFOLDER *folder;
 204
 205     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 206     {
 207         if (lstrcmpW( dir, folder->Directory )==0)
 208             return folder;
 209     }
 210     return NULL;
 211 }
 212
 213 static LPWSTR get_source_root( MSIPACKAGE *package )
 214 {
 215     LPWSTR path, p;
 216
 217     path = msi_dup_property( package, cszSourceDir );
 218     if (path)
 219         return path;
 220
 221     path = msi_dup_property( package, cszDatabase );
 222     if (path)
 223     {
 224         p = strrchrW(path,'\\');
 225         if (p)
 226             *(p+1) = 0;
 227     }
 228     return path;
 229 }
 230
 231 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 232                       BOOL set_prop, MSIFOLDER **folder)
 233 {
 234     MSIFOLDER *f;
 235     LPWSTR p, path = NULL;
 236
 237     TRACE("Working to resolve %s\n",debugstr_w(name));
 238
 239     if (!name)
 240         return NULL;
 241
 242     /* special resolving for Target and Source root dir */
 243     if (strcmpW(name,cszTargetDir)==0 || strcmpW(name,cszSourceDir)==0)
 244     {
 245         if (!source)
 246         {
 247             LPWSTR check_path;
 248             check_path = msi_dup_property( package, cszTargetDir );
 249             if (!check_path)
 250             {
 251                 check_path = msi_dup_property( package, cszRootDrive );
 252                 if (set_prop)
 253                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 254             }
 255
 256             /* correct misbuilt target dir */
 257             path = build_directory_name(2, check_path, NULL);
 258             if (strcmpiW(path,check_path)!=0)
 259                 MSI_SetPropertyW(package,cszTargetDir,path);
 260             msi_free(check_path);
 261         }
 262         else
 263             path = get_source_root( package );
 264         if (folder)
 265             *folder = get_loaded_folder( package, name );
 266         return path;
 267     }
 268
 269     f = get_loaded_folder( package, name );
 270     if (!f)
 271         return NULL;
 272
 273     if (folder)
 274         *folder = f;
 275
 276     if (!source && f->ResolvedTarget)
 277     {
 278         path = strdupW( f->ResolvedTarget );
 279         TRACE("   already resolved to %s\n",debugstr_w(path));
 280         return path;
 281     }
 282     else if (source && f->ResolvedSource)
 283     {
 284         path = strdupW( f->ResolvedSource );
 285         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 286         return path;
 287     }
 288     else 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 (f->Parent)
 299     {
 300         LPWSTR parent = f->Parent->Directory;
 301
 302         TRACE(" ! Parent is %s\n", debugstr_w(parent));
 303
 304         p = resolve_folder(package, parent, source, set_prop, NULL);
 305         if (!source)
 306         {
 307             TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 308
 309             path = build_directory_name( 3, p, f->TargetDefault, NULL );
 310             f->ResolvedTarget = strdupW( path );
 311             TRACE("target -> %s\n", debugstr_w(path));
 312             if (set_prop)
 313                 MSI_SetPropertyW(package,name,path);
 314         }
 315         else
 316         {
 317             if (f->SourceDefault && f->SourceDefault[0]!='.')
 318                 path = build_directory_name( 3, p, f->SourceDefault, NULL );
 319             else
 320                 path = strdupW(p);
 321             TRACE("source -> %s\n", debugstr_w(path));
 322
 323             /* if the directory doesn't exist, use the root */
 324             if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 325             {
 326                 msi_free( path );
 327                 path = get_source_root( package );
 328                 TRACE("defaulting to %s\n", debugstr_w(path));
 329             }
 330             else
 331                 f->ResolvedSource = strdupW( path );
 332         }
 333         msi_free(p);
 334     }
 335     return path;
 336 }
 337
 338 /* wrapper to resist a need for a full rewrite right now */
 339 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 340 {
 341     if (ptr)
 342     {
 343         MSIRECORD *rec = MSI_CreateRecord(1);
 344         DWORD size = 0;
 345
 346         MSI_RecordSetStringW(rec,0,ptr);
 347         MSI_FormatRecordW(package,rec,NULL,&size);
 348         if (size >= 0)
 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             msiobj_release( &rec->hdr );
 357             return sizeof(WCHAR)*size;
 358         }
 359         msiobj_release( &rec->hdr );
 360     }
 361
 362     *data = NULL;
 363     return 0;
 364 }
 365
 366 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 367 {
 368     UINT count;
 369     LPWSTR *newbuf = NULL;
 370     if (script >= TOTAL_SCRIPTS)
 371     {
 372         FIXME("Unknown script requested %i\n",script);
 373         return ERROR_FUNCTION_FAILED;
 374     }
 375     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 376
 377     count = package->script->ActionCount[script];
 378     package->script->ActionCount[script]++;
 379     if (count != 0)
 380         newbuf = msi_realloc( package->script->Actions[script],
 381                         package->script->ActionCount[script]* sizeof(LPWSTR));
 382     else
 383         newbuf = msi_alloc( sizeof(LPWSTR));
 384
 385     newbuf[count] = strdupW(action);
 386     package->script->Actions[script] = newbuf;
 387
 388    return ERROR_SUCCESS;
 389 }
 390
 391 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 392 {
 393     struct list *item, *cursor;
 394
 395     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 396     {
 397         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 398
 399         list_remove( &temp->entry );
 400         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 401         DeleteFileW( temp->Path );
 402         msi_free( temp->File );
 403         msi_free( temp->Path );
 404         msi_free( temp );
 405     }
 406 }
 407
 408 static void free_feature( MSIFEATURE *feature )
 409 {
 410     struct list *item, *cursor;
 411
 412     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 413     {
 414         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 415         list_remove( &cl->entry );
 416         msi_free( cl );
 417     }
 418     msi_free( feature->Feature );
 419     msi_free( feature->Feature_Parent );
 420     msi_free( feature->Directory );
 421     msi_free( feature->Description );
 422     msi_free( feature->Title );
 423     msi_free( feature );
 424 }
 425
 426 void free_extension( MSIEXTENSION *ext )
 427 {
 428     struct list *item, *cursor;
 429
 430     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 431     {
 432         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 433
 434         list_remove( &verb->entry );
 435         msi_free( verb->Verb );
 436         msi_free( verb->Command );
 437         msi_free( verb->Argument );
 438         msi_free( verb );
 439     }
 440
 441     msi_free( ext->Extension );
 442     msi_free( ext->ProgIDText );
 443     msi_free( ext );
 444 }
 445
 446 /* Called when the package is being closed */
 447 void ACTION_free_package_structures( MSIPACKAGE* package)
 448 {
 449     INT i;
 450     struct list *item, *cursor;
 451
 452     TRACE("Freeing package action data\n");
 453
 454     remove_tracked_tempfiles(package);
 455
 456     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 457     {
 458         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 459         list_remove( &feature->entry );
 460         free_feature( feature );
 461     }
 462
 463     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 464     {
 465         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 466
 467         list_remove( &folder->entry );
 468         msi_free( folder->Directory );
 469         msi_free( folder->TargetDefault );
 470         msi_free( folder->SourceDefault );
 471         msi_free( folder->ResolvedTarget );
 472         msi_free( folder->ResolvedSource );
 473         msi_free( folder->Property );
 474         msi_free( folder );
 475     }
 476
 477     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 478     {
 479         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 480
 481         list_remove( &comp->entry );
 482         msi_free( comp->Component );
 483         msi_free( comp->ComponentId );
 484         msi_free( comp->Directory );
 485         msi_free( comp->Condition );
 486         msi_free( comp->KeyPath );
 487         msi_free( comp->FullKeypath );
 488         msi_free( comp );
 489     }
 490
 491     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 492     {
 493         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 494
 495         list_remove( &file->entry );
 496         msi_free( file->File );
 497         msi_free( file->FileName );
 498         msi_free( file->ShortName );
 499         msi_free( file->Version );
 500         msi_free( file->Language );
 501         msi_free( file->SourcePath );
 502         msi_free( file->TargetPath );
 503         msi_free( file );
 504     }
 505
 506     /* clean up extension, progid, class and verb structures */
 507     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 508     {
 509         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 510
 511         list_remove( &cls->entry );
 512         msi_free( cls->clsid );
 513         msi_free( cls->Context );
 514         msi_free( cls->Description );
 515         msi_free( cls->FileTypeMask );
 516         msi_free( cls->IconPath );
 517         msi_free( cls->DefInprocHandler );
 518         msi_free( cls->DefInprocHandler32 );
 519         msi_free( cls->Argument );
 520         msi_free( cls->ProgIDText );
 521         msi_free( cls );
 522     }
 523
 524     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 525     {
 526         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 527
 528         list_remove( &ext->entry );
 529         free_extension( ext );
 530     }
 531
 532     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 533     {
 534         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 535
 536         list_remove( &progid->entry );
 537         msi_free( progid->ProgID );
 538         msi_free( progid->Description );
 539         msi_free( progid->IconPath );
 540         msi_free( progid );
 541     }
 542
 543     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 544     {
 545         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 546
 547         list_remove( &mt->entry );
 548         msi_free( mt->clsid );
 549         msi_free( mt->ContentType );
 550         msi_free( mt );
 551     }
 552
 553     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 554     {
 555         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 556
 557         list_remove( &appid->entry );
 558         msi_free( appid->AppID );
 559         msi_free( appid->RemoteServerName );
 560         msi_free( appid->LocalServer );
 561         msi_free( appid->ServiceParameters );
 562         msi_free( appid->DllSurrogate );
 563         msi_free( appid );
 564     }
 565
 566     if (package->script)
 567     {
 568         for (i = 0; i < TOTAL_SCRIPTS; i++)
 569         {
 570             int j;
 571             for (j = 0; j < package->script->ActionCount[i]; j++)
 572                 msi_free(package->script->Actions[i][j]);
 573
 574             msi_free(package->script->Actions[i]);
 575         }
 576
 577         for (i = 0; i < package->script->UniqueActionsCount; i++)
 578             msi_free(package->script->UniqueActions[i]);
 579
 580         msi_free(package->script->UniqueActions);
 581         msi_free(package->script);
 582     }
 583
 584     msi_free(package->PackagePath);
 585     msi_free(package->ProductCode);
 586     msi_free(package->ActionFormat);
 587     msi_free(package->LastAction);
 588
 589     /* cleanup control event subscriptions */
 590     ControlEvent_CleanupSubscriptions(package);
 591 }
 592
 593 /*
 594  *  build_directory_name()
 595  *
 596  *  This function is to save messing round with directory names
 597  *  It handles adding backslashes between path segments,
 598  *   and can add \ at the end of the directory name if told to.
 599  *
 600  *  It takes a variable number of arguments.
 601  *  It always allocates a new string for the result, so make sure
 602  *   to free the return value when finished with it.
 603  *
 604  *  The first arg is the number of path segments that follow.
 605  *  The arguments following count are a list of path segments.
 606  *  A path segment may be NULL.
 607  *
 608  *  Path segments will be added with a \ separating them.
 609  *  A \ will not be added after the last segment, however if the
 610  *    last segment is NULL, then the last character will be a \
 611  *
 612  */
 613 LPWSTR build_directory_name(DWORD count, ...)
 614 {
 615     DWORD sz = 1, i;
 616     LPWSTR dir;
 617     va_list va;
 618
 619     va_start(va,count);
 620     for(i=0; i<count; i++)
 621     {
 622         LPCWSTR str = va_arg(va,LPCWSTR);
 623         if (str)
 624             sz += strlenW(str) + 1;
 625     }
 626     va_end(va);
 627
 628     dir = msi_alloc(sz*sizeof(WCHAR));
 629     dir[0]=0;
 630
 631     va_start(va,count);
 632     for(i=0; i<count; i++)
 633     {
 634         LPCWSTR str = va_arg(va,LPCWSTR);
 635         if (!str)
 636             continue;
 637         strcatW(dir, str);
 638         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 639             strcatW(dir, cszbs);
 640     }
 641     return dir;
 642 }
 643
 644 /***********************************************************************
 645  *            create_full_pathW
 646  *
 647  * Recursively create all directories in the path.
 648  *
 649  * shamelessly stolen from setupapi/queue.c
 650  */
 651 BOOL create_full_pathW(const WCHAR *path)
 652 {
 653     BOOL ret = TRUE;
 654     int len;
 655     WCHAR *new_path;
 656
 657     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 658
 659     strcpyW(new_path, path);
 660
 661     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 662     new_path[len - 1] = 0;
 663
 664     while(!CreateDirectoryW(new_path, NULL))
 665     {
 666         WCHAR *slash;
 667         DWORD last_error = GetLastError();
 668         if(last_error == ERROR_ALREADY_EXISTS)
 669             break;
 670
 671         if(last_error != ERROR_PATH_NOT_FOUND)
 672         {
 673             ret = FALSE;
 674             break;
 675         }
 676
 677         if(!(slash = strrchrW(new_path, '\\')))
 678         {
 679             ret = FALSE;
 680             break;
 681         }
 682
 683         len = slash - new_path;
 684         new_path[len] = 0;
 685         if(!create_full_pathW(new_path))
 686         {
 687             ret = FALSE;
 688             break;
 689         }
 690         new_path[len] = '\\';
 691     }
 692
 693     msi_free(new_path);
 694     return ret;
 695 }
 696
 697 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 698 {
 699     MSIRECORD * row;
 700
 701     row = MSI_CreateRecord(4);
 702     MSI_RecordSetInteger(row,1,a);
 703     MSI_RecordSetInteger(row,2,b);
 704     MSI_RecordSetInteger(row,3,c);
 705     MSI_RecordSetInteger(row,4,d);
 706     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 707     msiobj_release(&row->hdr);
 708
 709     msi_dialog_check_messages(NULL);
 710 }
 711
 712 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 713 {
 714     static const WCHAR Query_t[] =
 715         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 716          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 717          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 718          ' ','\'','%','s','\'',0};
 719     WCHAR message[1024];
 720     MSIRECORD * row = 0;
 721     DWORD size;
 722     static const WCHAR szActionData[] =
 723         {'A','c','t','i','o','n','D','a','t','a',0};
 724
 725     if (!package->LastAction || strcmpW(package->LastAction,action))
 726     {
 727         row = MSI_QueryGetRecord(package->db, Query_t, action);
 728         if (!row)
 729             return;
 730
 731         if (MSI_RecordIsNull(row,3))
 732         {
 733             msiobj_release(&row->hdr);
 734             return;
 735         }
 736
 737         /* update the cached actionformat */
 738         msi_free(package->ActionFormat);
 739         package->ActionFormat = msi_dup_record_field(row,3);
 740
 741         msi_free(package->LastAction);
 742         package->LastAction = strdupW(action);
 743
 744         msiobj_release(&row->hdr);
 745     }
 746
 747     MSI_RecordSetStringW(record,0,package->ActionFormat);
 748     size = 1024;
 749     MSI_FormatRecordW(package,record,message,&size);
 750
 751     row = MSI_CreateRecord(1);
 752     MSI_RecordSetStringW(row,1,message);
 753
 754     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 755
 756     ControlEvent_FireSubscribedEvent(package,szActionData, row);
 757
 758     msiobj_release(&row->hdr);
 759 }
 760
 761 BOOL ACTION_VerifyComponentForAction( MSICOMPONENT* comp, INSTALLSTATE check )
 762 {
 763     if (!comp)
 764         return FALSE;
 765
 766     if (comp->Installed == check)
 767         return FALSE;
 768
 769     if (comp->ActionRequest == check)
 770         return TRUE;
 771     else
 772         return FALSE;
 773 }
 774
 775 BOOL ACTION_VerifyFeatureForAction( MSIFEATURE* feature, INSTALLSTATE check )
 776 {
 777     if (!feature)
 778         return FALSE;
 779
 780     if (feature->Installed == check)
 781         return FALSE;
 782
 783     if (feature->ActionRequest == check)
 784         return TRUE;
 785     else
 786         return FALSE;
 787 }
 788
 789 void reduce_to_longfilename(WCHAR* filename)
 790 {
 791     LPWSTR p = strchrW(filename,'|');
 792     if (p)
 793         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 794 }
 795
 796 void reduce_to_shortfilename(WCHAR* filename)
 797 {
 798     LPWSTR p = strchrW(filename,'|');
 799     if (p)
 800         *p = 0;
 801 }
 802
 803 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 804                 MSICOMPONENT* component, LPCWSTR feature)
 805 {
 806     GUID clsid;
 807     WCHAR productid_85[21];
 808     WCHAR component_85[21];
 809     /*
 810      * I have a fair bit of confusion as to when a < is used and when a > is
 811      * used. I do not think i have it right...
 812      *
 813      * Ok it appears that the > is used if there is a guid for the compoenent
 814      * and the < is used if not.
 815      */
 816     static WCHAR fmt1[] = {'%','s','%','s','<',0,0};
 817     static WCHAR fmt2[] = {'%','s','%','s','>','%','s',0,0};
 818     LPWSTR output = NULL;
 819     DWORD sz = 0;
 820
 821     memset(productid_85,0,sizeof(productid_85));
 822     memset(component_85,0,sizeof(component_85));
 823
 824     CLSIDFromString(package->ProductCode, &clsid);
 825
 826     encode_base85_guid(&clsid,productid_85);
 827
 828     CLSIDFromString(component->ComponentId, &clsid);
 829     encode_base85_guid(&clsid,component_85);
 830
 831     TRACE("Doing something with this... %s %s %s\n",
 832             debugstr_w(productid_85), debugstr_w(feature),
 833             debugstr_w(component_85));
 834
 835     sz = lstrlenW(productid_85) + lstrlenW(feature);
 836     if (component)
 837         sz += lstrlenW(component_85);
 838
 839     sz+=3;
 840     sz *= sizeof(WCHAR);
 841
 842     output = msi_alloc(sz);
 843     memset(output,0,sz);
 844
 845     if (component)
 846         sprintfW(output,fmt2,productid_85,feature,component_85);
 847     else
 848         sprintfW(output,fmt1,productid_85,feature);
 849
 850     return output;
 851 }
 852
 853 /* update compoennt state based on a feature change */
 854 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 855 {
 856     INSTALLSTATE newstate;
 857     MSIFEATURE *feature;
 858     ComponentList *cl;
 859
 860     feature = get_loaded_feature(package,szFeature);
 861     if (!feature)
 862         return;
 863
 864     newstate = feature->ActionRequest;
 865
 866     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 867     {
 868         MSICOMPONENT* component = cl->component;
 869
 870         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 871             newstate, debugstr_w(component->Component), component->Installed,
 872             component->Action, component->ActionRequest);
 873
 874         if (!component->Enabled)
 875             continue;
 876
 877         if (newstate == INSTALLSTATE_LOCAL)
 878         {
 879             component->ActionRequest = INSTALLSTATE_LOCAL;
 880             component->Action = INSTALLSTATE_LOCAL;
 881         }
 882         else
 883         {
 884             ComponentList *clist;
 885             MSIFEATURE *f;
 886
 887             component->ActionRequest = newstate;
 888             component->Action = newstate;
 889
 890             /*if any other feature wants is local we need to set it local*/
 891             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 892             {
 893                 if ( component->ActionRequest != INSTALLSTATE_LOCAL )
 894                     break;
 895
 896                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 897                 {
 898                     if ( clist->component == component )
 899                     {
 900                         if (f->ActionRequest == INSTALLSTATE_LOCAL)
 901                         {
 902                             TRACE("Saved by %s\n", debugstr_w(f->Feature));
 903                             component->ActionRequest = INSTALLSTATE_LOCAL;
 904                             component->Action = INSTALLSTATE_LOCAL;
 905                         }
 906                         break;
 907                     }
 908                 }
 909             }
 910         }
 911         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 912             newstate, debugstr_w(component->Component), component->Installed,
 913             component->Action, component->ActionRequest);
 914     }
 915 }
 916
 917 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 918 {
 919     UINT count;
 920     LPWSTR *newbuf = NULL;
 921
 922     if (!package->script)
 923         return FALSE;
 924
 925     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 926
 927     count = package->script->UniqueActionsCount;
 928     package->script->UniqueActionsCount++;
 929     if (count != 0)
 930         newbuf = msi_realloc( package->script->UniqueActions,
 931                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 932     else
 933         newbuf = msi_alloc( sizeof(LPWSTR));
 934
 935     newbuf[count] = strdupW(action);
 936     package->script->UniqueActions = newbuf;
 937
 938     return ERROR_SUCCESS;
 939 }
 940
 941 BOOL check_unique_action(MSIPACKAGE *package, LPCWSTR action)
 942 {
 943     INT i;
 944
 945     if (!package->script)
 946         return FALSE;
 947
 948     for (i = 0; i < package->script->UniqueActionsCount; i++)
 949         if (!strcmpW(package->script->UniqueActions[i],action))
 950             return TRUE;
 951
 952     return FALSE;
 953 }
 954
 955 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 956 {
 957     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};
 958
 959     MSIRECORD *rec;
 960     MSIRECORD *row;
 961     DWORD size = 0;
 962     DWORD i;
 963     va_list va;
 964     LPCWSTR str;
 965     LPWSTR data;
 966
 967     row = MSI_QueryGetRecord(package->db, query, error);
 968     if (!row)
 969         return 0;
 970
 971     rec = MSI_CreateRecord(count+2);
 972
 973     str = MSI_RecordGetString(row,1);
 974     MSI_RecordSetStringW(rec,0,str);
 975     msiobj_release( &row->hdr );
 976     MSI_RecordSetInteger(rec,1,error);
 977
 978     va_start(va,count);
 979     for (i = 0; i < count; i++)
 980     {
 981         str = va_arg(va,LPCWSTR);
 982         MSI_RecordSetStringW(rec,(i+2),str);
 983     }
 984     va_end(va);
 985
 986     MSI_FormatRecordW(package,rec,NULL,&size);
 987     if (size >= 0)
 988     {
 989         size++;
 990         data = msi_alloc(size*sizeof(WCHAR));
 991         if (size > 1)
 992             MSI_FormatRecordW(package,rec,data,&size);
 993         else
 994             data[0] = 0;
 995         msiobj_release( &rec->hdr );
 996         return data;
 997     }
 998
 999     msiobj_release( &rec->hdr );
1000     data = NULL;
1001     return data;
1002 }