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., 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 WCHAR *load_dynamic_stringW(MSIRECORD *row, INT index)
 111 {
 112     UINT rc;
 113     DWORD sz;
 114     LPWSTR ret;
 115
 116     sz = 0;
 117     if (MSI_RecordIsNull(row,index))
 118         return NULL;
 119
 120     rc = MSI_RecordGetStringW(row,index,NULL,&sz);
 121
 122     /* having an empty string is different than NULL */
 123     if (sz == 0)
 124     {
 125         ret = msi_alloc(sizeof(WCHAR));
 126         ret[0] = 0;
 127         return ret;
 128     }
 129
 130     sz ++;
 131     ret = msi_alloc(sz * sizeof (WCHAR));
 132     rc = MSI_RecordGetStringW(row,index,ret,&sz);
 133     if (rc!=ERROR_SUCCESS)
 134     {
 135         ERR("Unable to load dynamic string\n");
 136         msi_free(ret);
 137         ret = NULL;
 138     }
 139     return ret;
 140 }
 141
 142 LPWSTR msi_dup_property(MSIPACKAGE *package, LPCWSTR prop)
 143 {
 144     DWORD sz = 0;
 145     LPWSTR str;
 146     UINT r;
 147
 148     r = MSI_GetPropertyW(package, prop, NULL, &sz);
 149     if (r != ERROR_SUCCESS && r != ERROR_MORE_DATA)
 150         return NULL;
 151
 152     sz++;
 153     str = msi_alloc(sz*sizeof(WCHAR));
 154     r = MSI_GetPropertyW(package, prop, str, &sz);
 155     if (r != ERROR_SUCCESS)
 156     {
 157         msi_free(str);
 158         str = NULL;
 159     }
 160     return str;
 161 }
 162
 163 MSICOMPONENT* get_loaded_component( MSIPACKAGE* package, LPCWSTR Component )
 164 {
 165     MSICOMPONENT *comp;
 166
 167     LIST_FOR_EACH_ENTRY( comp, &package->components, MSICOMPONENT, entry )
 168     {
 169         if (lstrcmpW(Component,comp->Component)==0)
 170             return comp;
 171     }
 172     return NULL;
 173 }
 174
 175 MSIFEATURE* get_loaded_feature(MSIPACKAGE* package, LPCWSTR Feature )
 176 {
 177     MSIFEATURE *feature;
 178
 179     LIST_FOR_EACH_ENTRY( feature, &package->features, MSIFEATURE, entry )
 180     {
 181         if (lstrcmpW( Feature, feature->Feature )==0)
 182             return feature;
 183     }
 184     return NULL;
 185 }
 186
 187 MSIFILE* get_loaded_file( MSIPACKAGE* package, LPCWSTR key )
 188 {
 189     MSIFILE *file;
 190
 191     LIST_FOR_EACH_ENTRY( file, &package->files, MSIFILE, entry )
 192     {
 193         if (lstrcmpW( key, file->File )==0)
 194             return file;
 195     }
 196     return NULL;
 197 }
 198
 199 int track_tempfile( MSIPACKAGE *package, LPCWSTR name, LPCWSTR path )
 200 {
 201     MSITEMPFILE *temp;
 202
 203     if (!package)
 204         return -1;
 205
 206     LIST_FOR_EACH_ENTRY( temp, &package->tempfiles, MSITEMPFILE, entry )
 207     {
 208         if (lstrcmpW( name, temp->File )==0)
 209         {
 210             TRACE("tempfile %s already exists with path %s\n",
 211                 debugstr_w(temp->File), debugstr_w(temp->Path));
 212             return -1;
 213         }
 214     }
 215
 216     temp = msi_alloc_zero( sizeof (MSITEMPFILE) );
 217     if (!temp)
 218         return -1;
 219
 220     list_add_head( &package->tempfiles, &temp->entry );
 221
 222     temp->File = strdupW( name );
 223     temp->Path = strdupW( path );
 224
 225     TRACE("adding tempfile %s with path %s\n",
 226            debugstr_w(temp->File), debugstr_w(temp->Path));
 227
 228     return 0;
 229 }
 230
 231 MSIFOLDER *get_loaded_folder( MSIPACKAGE *package, LPCWSTR dir )
 232 {
 233     MSIFOLDER *folder;
 234
 235     LIST_FOR_EACH_ENTRY( folder, &package->folders, MSIFOLDER, entry )
 236     {
 237         if (lstrcmpW( dir, folder->Directory )==0)
 238             return folder;
 239     }
 240     return NULL;
 241 }
 242
 243 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 244                       BOOL set_prop, MSIFOLDER **folder)
 245 {
 246     MSIFOLDER *f;
 247     LPWSTR p, path = NULL;
 248
 249     TRACE("Working to resolve %s\n",debugstr_w(name));
 250
 251     if (!name)
 252         return NULL;
 253
 254     /* special resolving for Target and Source root dir */
 255     if (strcmpW(name,cszTargetDir)==0 || strcmpW(name,cszSourceDir)==0)
 256     {
 257         if (!source)
 258         {
 259             LPWSTR check_path;
 260             check_path = msi_dup_property( package, cszTargetDir );
 261             if (!check_path)
 262             {
 263                 check_path = msi_dup_property( package, cszRootDrive );
 264                 if (set_prop)
 265                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 266             }
 267
 268             /* correct misbuilt target dir */
 269             path = build_directory_name(2, check_path, NULL);
 270             if (strcmpiW(path,check_path)!=0)
 271                 MSI_SetPropertyW(package,cszTargetDir,path);
 272             msi_free(check_path);
 273         }
 274         else
 275         {
 276             path = msi_dup_property( package, cszSourceDir );
 277             if (!path)
 278             {
 279                 path = msi_dup_property( package, cszDatabase );
 280                 if (path)
 281                 {
 282                     p = strrchrW(path,'\\');
 283                     if (p)
 284                         *(p+1) = 0;
 285                 }
 286             }
 287         }
 288         if (folder)
 289             *folder = get_loaded_folder( package, name );
 290         return path;
 291     }
 292
 293     f = get_loaded_folder( package, name );
 294     if (!f)
 295         return NULL;
 296
 297     if (folder)
 298         *folder = f;
 299
 300     if (!source && f->ResolvedTarget)
 301     {
 302         path = strdupW( f->ResolvedTarget );
 303         TRACE("   already resolved to %s\n",debugstr_w(path));
 304         return path;
 305     }
 306     else if (source && f->ResolvedSource)
 307     {
 308         path = strdupW( f->ResolvedSource );
 309         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 310         return path;
 311     }
 312     else if (!source && f->Property)
 313     {
 314         path = build_directory_name( 2, f->Property, NULL );
 315
 316         TRACE("   internally set to %s\n",debugstr_w(path));
 317         if (set_prop)
 318             MSI_SetPropertyW( package, name, path );
 319         return path;
 320     }
 321
 322     if (f->Parent)
 323     {
 324         LPWSTR parent = f->Parent->Directory;
 325
 326         TRACE(" ! Parent is %s\n", debugstr_w(parent));
 327
 328         p = resolve_folder(package, parent, source, set_prop, NULL);
 329         if (!source)
 330         {
 331             TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 332
 333             path = build_directory_name( 3, p, f->TargetDefault, NULL );
 334             f->ResolvedTarget = strdupW( path );
 335             TRACE("   resolved into %s\n",debugstr_w(path));
 336             if (set_prop)
 337                 MSI_SetPropertyW(package,name,path);
 338         }
 339         else
 340         {
 341             if (f->SourceDefault && f->SourceDefault[0]!='.')
 342                 path = build_directory_name( 3, p, f->SourceDefault, NULL );
 343             else
 344                 path = strdupW(p);
 345             TRACE("   (source)resolved into %s\n",debugstr_w(path));
 346             f->ResolvedSource = strdupW( path );
 347         }
 348         msi_free(p);
 349     }
 350     return path;
 351 }
 352
 353 /* wrapper to resist a need for a full rewrite right now */
 354 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 355 {
 356     if (ptr)
 357     {
 358         MSIRECORD *rec = MSI_CreateRecord(1);
 359         DWORD size = 0;
 360
 361         MSI_RecordSetStringW(rec,0,ptr);
 362         MSI_FormatRecordW(package,rec,NULL,&size);
 363         if (size >= 0)
 364         {
 365             size++;
 366             *data = msi_alloc(size*sizeof(WCHAR));
 367             if (size > 1)
 368                 MSI_FormatRecordW(package,rec,*data,&size);
 369             else
 370                 *data[0] = 0;
 371             msiobj_release( &rec->hdr );
 372             return sizeof(WCHAR)*size;
 373         }
 374         msiobj_release( &rec->hdr );
 375     }
 376
 377     *data = NULL;
 378     return 0;
 379 }
 380
 381 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 382 {
 383     UINT count;
 384     LPWSTR *newbuf = NULL;
 385     if (script >= TOTAL_SCRIPTS)
 386     {
 387         FIXME("Unknown script requested %i\n",script);
 388         return ERROR_FUNCTION_FAILED;
 389     }
 390     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 391
 392     count = package->script->ActionCount[script];
 393     package->script->ActionCount[script]++;
 394     if (count != 0)
 395         newbuf = msi_realloc( package->script->Actions[script],
 396                         package->script->ActionCount[script]* sizeof(LPWSTR));
 397     else
 398         newbuf = msi_alloc( sizeof(LPWSTR));
 399
 400     newbuf[count] = strdupW(action);
 401     package->script->Actions[script] = newbuf;
 402
 403    return ERROR_SUCCESS;
 404 }
 405
 406 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 407 {
 408     struct list *item, *cursor;
 409
 410     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 411     {
 412         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 413
 414         list_remove( &temp->entry );
 415         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 416         DeleteFileW( temp->Path );
 417         msi_free( temp->File );
 418         msi_free( temp->Path );
 419         msi_free( temp );
 420     }
 421 }
 422
 423 static void free_feature( MSIFEATURE *feature )
 424 {
 425     struct list *item, *cursor;
 426
 427     LIST_FOR_EACH_SAFE( item, cursor, &feature->Components )
 428     {
 429         ComponentList *cl = LIST_ENTRY( item, ComponentList, entry );
 430         list_remove( &cl->entry );
 431         msi_free( cl );
 432     }
 433     msi_free( feature->Feature );
 434     msi_free( feature->Feature_Parent );
 435     msi_free( feature->Directory );
 436     msi_free( feature->Description );
 437     msi_free( feature->Title );
 438     msi_free( feature );
 439 }
 440
 441 void free_extension( MSIEXTENSION *ext )
 442 {
 443     struct list *item, *cursor;
 444
 445     LIST_FOR_EACH_SAFE( item, cursor, &ext->verbs )
 446     {
 447         MSIVERB *verb = LIST_ENTRY( item, MSIVERB, entry );
 448
 449         list_remove( &verb->entry );
 450         msi_free( verb->Verb );
 451         msi_free( verb->Command );
 452         msi_free( verb->Argument );
 453         msi_free( verb );
 454     }
 455
 456     msi_free( ext->Extension );
 457     msi_free( ext->ProgIDText );
 458     msi_free( ext );
 459 }
 460
 461 /* Called when the package is being closed */
 462 void ACTION_free_package_structures( MSIPACKAGE* package)
 463 {
 464     INT i;
 465     struct list *item, *cursor;
 466
 467     TRACE("Freeing package action data\n");
 468
 469     remove_tracked_tempfiles(package);
 470
 471     LIST_FOR_EACH_SAFE( item, cursor, &package->features )
 472     {
 473         MSIFEATURE *feature = LIST_ENTRY( item, MSIFEATURE, entry );
 474         list_remove( &feature->entry );
 475         free_feature( feature );
 476     }
 477
 478     LIST_FOR_EACH_SAFE( item, cursor, &package->folders )
 479     {
 480         MSIFOLDER *folder = LIST_ENTRY( item, MSIFOLDER, entry );
 481
 482         list_remove( &folder->entry );
 483         msi_free( folder->Directory );
 484         msi_free( folder->TargetDefault );
 485         msi_free( folder->SourceDefault );
 486         msi_free( folder->ResolvedTarget );
 487         msi_free( folder->ResolvedSource );
 488         msi_free( folder->Property );
 489         msi_free( folder );
 490     }
 491
 492     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 493     {
 494         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 495
 496         list_remove( &comp->entry );
 497         msi_free( comp->Component );
 498         msi_free( comp->ComponentId );
 499         msi_free( comp->Directory );
 500         msi_free( comp->Condition );
 501         msi_free( comp->KeyPath );
 502         msi_free( comp->FullKeypath );
 503         msi_free( comp );
 504     }
 505
 506     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 507     {
 508         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 509
 510         list_remove( &file->entry );
 511         msi_free( file->File );
 512         msi_free( file->FileName );
 513         msi_free( file->ShortName );
 514         msi_free( file->Version );
 515         msi_free( file->Language );
 516         msi_free( file->SourcePath );
 517         msi_free( file->TargetPath );
 518         msi_free( file );
 519     }
 520
 521     /* clean up extension, progid, class and verb structures */
 522     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 523     {
 524         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 525
 526         list_remove( &cls->entry );
 527         msi_free( cls->clsid );
 528         msi_free( cls->Context );
 529         msi_free( cls->Description );
 530         msi_free( cls->FileTypeMask );
 531         msi_free( cls->IconPath );
 532         msi_free( cls->DefInprocHandler );
 533         msi_free( cls->DefInprocHandler32 );
 534         msi_free( cls->Argument );
 535         msi_free( cls->ProgIDText );
 536         msi_free( cls );
 537     }
 538
 539     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 540     {
 541         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 542
 543         list_remove( &ext->entry );
 544         free_extension( ext );
 545     }
 546
 547     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 548     {
 549         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 550
 551         list_remove( &progid->entry );
 552         msi_free( progid->ProgID );
 553         msi_free( progid->Description );
 554         msi_free( progid->IconPath );
 555         msi_free( progid );
 556     }
 557
 558     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 559     {
 560         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 561
 562         list_remove( &mt->entry );
 563         msi_free( mt->clsid );
 564         msi_free( mt->ContentType );
 565         msi_free( mt );
 566     }
 567
 568     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 569     {
 570         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 571
 572         list_remove( &appid->entry );
 573         msi_free( appid->AppID );
 574         msi_free( appid->RemoteServerName );
 575         msi_free( appid->LocalServer );
 576         msi_free( appid->ServiceParameters );
 577         msi_free( appid->DllSurrogate );
 578         msi_free( appid );
 579     }
 580
 581     if (package->script)
 582     {
 583         for (i = 0; i < TOTAL_SCRIPTS; i++)
 584         {
 585             int j;
 586             for (j = 0; j < package->script->ActionCount[i]; j++)
 587                 msi_free(package->script->Actions[i][j]);
 588
 589             msi_free(package->script->Actions[i]);
 590         }
 591
 592         for (i = 0; i < package->script->UniqueActionsCount; i++)
 593             msi_free(package->script->UniqueActions[i]);
 594
 595         msi_free(package->script->UniqueActions);
 596         msi_free(package->script);
 597     }
 598
 599     msi_free(package->PackagePath);
 600     msi_free(package->ProductCode);
 601     msi_free(package->ActionFormat);
 602     msi_free(package->LastAction);
 603
 604     /* cleanup control event subscriptions */
 605     ControlEvent_CleanupSubscriptions(package);
 606 }
 607
 608 /*
 609  *  build_directory_name()
 610  *
 611  *  This function is to save messing round with directory names
 612  *  It handles adding backslashes between path segments,
 613  *   and can add \ at the end of the directory name if told to.
 614  *
 615  *  It takes a variable number of arguments.
 616  *  It always allocates a new string for the result, so make sure
 617  *   to free the return value when finished with it.
 618  *
 619  *  The first arg is the number of path segments that follow.
 620  *  The arguments following count are a list of path segments.
 621  *  A path segment may be NULL.
 622  *
 623  *  Path segments will be added with a \ separating them.
 624  *  A \ will not be added after the last segment, however if the
 625  *    last segment is NULL, then the last character will be a \
 626  *
 627  */
 628 LPWSTR build_directory_name(DWORD count, ...)
 629 {
 630     DWORD sz = 1, i;
 631     LPWSTR dir;
 632     va_list va;
 633
 634     va_start(va,count);
 635     for(i=0; i<count; i++)
 636     {
 637         LPCWSTR str = va_arg(va,LPCWSTR);
 638         if (str)
 639             sz += strlenW(str) + 1;
 640     }
 641     va_end(va);
 642
 643     dir = msi_alloc(sz*sizeof(WCHAR));
 644     dir[0]=0;
 645
 646     va_start(va,count);
 647     for(i=0; i<count; i++)
 648     {
 649         LPCWSTR str = va_arg(va,LPCWSTR);
 650         if (!str)
 651             continue;
 652         strcatW(dir, str);
 653         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 654             strcatW(dir, cszbs);
 655     }
 656     return dir;
 657 }
 658
 659 /***********************************************************************
 660  *            create_full_pathW
 661  *
 662  * Recursively create all directories in the path.
 663  *
 664  * shamelessly stolen from setupapi/queue.c
 665  */
 666 BOOL create_full_pathW(const WCHAR *path)
 667 {
 668     BOOL ret = TRUE;
 669     int len;
 670     WCHAR *new_path;
 671
 672     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 673
 674     strcpyW(new_path, path);
 675
 676     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 677     new_path[len - 1] = 0;
 678
 679     while(!CreateDirectoryW(new_path, NULL))
 680     {
 681         WCHAR *slash;
 682         DWORD last_error = GetLastError();
 683         if(last_error == ERROR_ALREADY_EXISTS)
 684             break;
 685
 686         if(last_error != ERROR_PATH_NOT_FOUND)
 687         {
 688             ret = FALSE;
 689             break;
 690         }
 691
 692         if(!(slash = strrchrW(new_path, '\\')))
 693         {
 694             ret = FALSE;
 695             break;
 696         }
 697
 698         len = slash - new_path;
 699         new_path[len] = 0;
 700         if(!create_full_pathW(new_path))
 701         {
 702             ret = FALSE;
 703             break;
 704         }
 705         new_path[len] = '\\';
 706     }
 707
 708     msi_free(new_path);
 709     return ret;
 710 }
 711
 712 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 713 {
 714     MSIRECORD * row;
 715
 716     row = MSI_CreateRecord(4);
 717     MSI_RecordSetInteger(row,1,a);
 718     MSI_RecordSetInteger(row,2,b);
 719     MSI_RecordSetInteger(row,3,c);
 720     MSI_RecordSetInteger(row,4,d);
 721     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 722     msiobj_release(&row->hdr);
 723
 724     msi_dialog_check_messages(NULL);
 725 }
 726
 727 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 728 {
 729     static const WCHAR Query_t[] =
 730         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 731          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 732          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 733          ' ','\'','%','s','\'',0};
 734     WCHAR message[1024];
 735     MSIRECORD * row = 0;
 736     DWORD size;
 737     static const WCHAR szActionData[] =
 738         {'A','c','t','i','o','n','D','a','t','a',0};
 739
 740     if (!package->LastAction || strcmpW(package->LastAction,action))
 741     {
 742         row = MSI_QueryGetRecord(package->db, Query_t, action);
 743         if (!row)
 744             return;
 745
 746         if (MSI_RecordIsNull(row,3))
 747         {
 748             msiobj_release(&row->hdr);
 749             return;
 750         }
 751
 752         /* update the cached actionformat */
 753         msi_free(package->ActionFormat);
 754         package->ActionFormat = load_dynamic_stringW(row,3);
 755
 756         msi_free(package->LastAction);
 757         package->LastAction = strdupW(action);
 758
 759         msiobj_release(&row->hdr);
 760     }
 761
 762     MSI_RecordSetStringW(record,0,package->ActionFormat);
 763     size = 1024;
 764     MSI_FormatRecordW(package,record,message,&size);
 765
 766     row = MSI_CreateRecord(1);
 767     MSI_RecordSetStringW(row,1,message);
 768
 769     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 770
 771     ControlEvent_FireSubscribedEvent(package,szActionData, row);
 772
 773     msiobj_release(&row->hdr);
 774 }
 775
 776 BOOL ACTION_VerifyComponentForAction(MSIPACKAGE* package, MSICOMPONENT* comp,
 777                                             INSTALLSTATE check )
 778 {
 779     if (!comp)
 780         return FALSE;
 781
 782     if (comp->Installed == check)
 783         return FALSE;
 784
 785     if (comp->ActionRequest == check)
 786         return TRUE;
 787     else
 788         return FALSE;
 789 }
 790
 791 BOOL ACTION_VerifyFeatureForAction( MSIFEATURE* feature, INSTALLSTATE check )
 792 {
 793     if (!feature)
 794         return FALSE;
 795
 796     if (feature->Installed == check)
 797         return FALSE;
 798
 799     if (feature->ActionRequest == check)
 800         return TRUE;
 801     else
 802         return FALSE;
 803 }
 804
 805 void reduce_to_longfilename(WCHAR* filename)
 806 {
 807     LPWSTR p = strchrW(filename,'|');
 808     if (p)
 809         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 810 }
 811
 812 void reduce_to_shortfilename(WCHAR* filename)
 813 {
 814     LPWSTR p = strchrW(filename,'|');
 815     if (p)
 816         *p = 0;
 817 }
 818
 819 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 820                 MSICOMPONENT* component, LPCWSTR feature)
 821 {
 822     GUID clsid;
 823     WCHAR productid_85[21];
 824     WCHAR component_85[21];
 825     /*
 826      * I have a fair bit of confusion as to when a < is used and when a > is
 827      * used. I do not think i have it right...
 828      *
 829      * Ok it appears that the > is used if there is a guid for the compoenent
 830      * and the < is used if not.
 831      */
 832     static WCHAR fmt1[] = {'%','s','%','s','<',0,0};
 833     static WCHAR fmt2[] = {'%','s','%','s','>','%','s',0,0};
 834     LPWSTR output = NULL;
 835     DWORD sz = 0;
 836
 837     memset(productid_85,0,sizeof(productid_85));
 838     memset(component_85,0,sizeof(component_85));
 839
 840     CLSIDFromString(package->ProductCode, &clsid);
 841
 842     encode_base85_guid(&clsid,productid_85);
 843
 844     CLSIDFromString(component->ComponentId, &clsid);
 845     encode_base85_guid(&clsid,component_85);
 846
 847     TRACE("Doing something with this... %s %s %s\n",
 848             debugstr_w(productid_85), debugstr_w(feature),
 849             debugstr_w(component_85));
 850
 851     sz = lstrlenW(productid_85) + lstrlenW(feature);
 852     if (component)
 853         sz += lstrlenW(component_85);
 854
 855     sz+=3;
 856     sz *= sizeof(WCHAR);
 857
 858     output = msi_alloc(sz);
 859     memset(output,0,sz);
 860
 861     if (component)
 862         sprintfW(output,fmt2,productid_85,feature,component_85);
 863     else
 864         sprintfW(output,fmt1,productid_85,feature);
 865
 866     return output;
 867 }
 868
 869 /* update compoennt state based on a feature change */
 870 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 871 {
 872     INSTALLSTATE newstate;
 873     MSIFEATURE *feature;
 874     ComponentList *cl;
 875
 876     feature = get_loaded_feature(package,szFeature);
 877     if (!feature)
 878         return;
 879
 880     newstate = feature->ActionRequest;
 881
 882     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 883     {
 884         MSICOMPONENT* component = cl->component;
 885
 886         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 887             newstate, debugstr_w(component->Component), component->Installed,
 888             component->Action, component->ActionRequest);
 889
 890         if (!component->Enabled)
 891             continue;
 892
 893         if (newstate == INSTALLSTATE_LOCAL)
 894         {
 895             component->ActionRequest = INSTALLSTATE_LOCAL;
 896             component->Action = INSTALLSTATE_LOCAL;
 897         }
 898         else
 899         {
 900             ComponentList *clist;
 901             MSIFEATURE *f;
 902
 903             component->ActionRequest = newstate;
 904             component->Action = newstate;
 905
 906             /*if any other feature wants is local we need to set it local*/
 907             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 908             {
 909                 if ( component->ActionRequest != INSTALLSTATE_LOCAL )
 910                     break;
 911
 912                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 913                 {
 914                     if ( clist->component == component )
 915                     {
 916                         if (f->ActionRequest == INSTALLSTATE_LOCAL)
 917                         {
 918                             TRACE("Saved by %s\n", debugstr_w(f->Feature));
 919                             component->ActionRequest = INSTALLSTATE_LOCAL;
 920                             component->Action = INSTALLSTATE_LOCAL;
 921                         }
 922                         break;
 923                     }
 924                 }
 925             }
 926         }
 927         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 928             newstate, debugstr_w(component->Component), component->Installed,
 929             component->Action, component->ActionRequest);
 930     }
 931 }
 932
 933 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 934 {
 935     UINT count;
 936     LPWSTR *newbuf = NULL;
 937
 938     if (!package || !package->script)
 939         return FALSE;
 940
 941     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 942
 943     count = package->script->UniqueActionsCount;
 944     package->script->UniqueActionsCount++;
 945     if (count != 0)
 946         newbuf = msi_realloc( package->script->UniqueActions,
 947                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 948     else
 949         newbuf = msi_alloc( sizeof(LPWSTR));
 950
 951     newbuf[count] = strdupW(action);
 952     package->script->UniqueActions = newbuf;
 953
 954     return ERROR_SUCCESS;
 955 }
 956
 957 BOOL check_unique_action(MSIPACKAGE *package, LPCWSTR action)
 958 {
 959     INT i;
 960
 961     if (!package || !package->script)
 962         return FALSE;
 963
 964     for (i = 0; i < package->script->UniqueActionsCount; i++)
 965         if (!strcmpW(package->script->UniqueActions[i],action))
 966             return TRUE;
 967
 968     return FALSE;
 969 }
 970
 971 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 972 {
 973     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};
 974
 975     MSIRECORD *rec;
 976     MSIRECORD *row;
 977     DWORD size = 0;
 978     DWORD i;
 979     va_list va;
 980     LPCWSTR str;
 981     LPWSTR data;
 982
 983     row = MSI_QueryGetRecord(package->db, query, error);
 984     if (!row)
 985         return 0;
 986
 987     rec = MSI_CreateRecord(count+2);
 988
 989     str = MSI_RecordGetString(row,1);
 990     MSI_RecordSetStringW(rec,0,str);
 991     msiobj_release( &row->hdr );
 992     MSI_RecordSetInteger(rec,1,error);
 993
 994     va_start(va,count);
 995     for (i = 0; i < count; i++)
 996     {
 997         str = va_arg(va,LPCWSTR);
 998         MSI_RecordSetStringW(rec,(i+2),str);
 999     }
1000     va_end(va);
1001
1002     MSI_FormatRecordW(package,rec,NULL,&size);
1003     if (size >= 0)
1004     {
1005         size++;
1006         data = msi_alloc(size*sizeof(WCHAR));
1007         if (size > 1)
1008             MSI_FormatRecordW(package,rec,data,&size);
1009         else
1010             data[0] = 0;
1011         msiobj_release( &rec->hdr );
1012         return data;
1013     }
1014
1015     msiobj_release( &rec->hdr );
1016     data = NULL;
1017     return data;
1018 }