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 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 /*
 232  * clean_spaces_from_path()
 233  *
 234  * removes spaces from the beginning and end of path segments
 235  * removes multiple \\ characters
 236  */
 237 static void clean_spaces_from_path( LPWSTR p )
 238 {
 239     LPWSTR q = p;
 240     int n, len = 0;
 241
 242     while (1)
 243     {
 244         /* copy until the end of the string or a space */
 245         while (*p != ' ' && (*q = *p))
 246         {
 247             p++, len++;
 248             /* reduce many backslashes to one */
 249             if (*p != '\\' || *q != '\\')
 250                 q++;
 251         }
 252
 253         /* quit at the end of the string */
 254         if (!*p)
 255             break;
 256
 257         /* count the number of spaces */
 258         n = 0;
 259         while (p[n] == ' ')
 260             n++;
 261
 262         /* if it's leading or trailing space, skip it */
 263         if ( len == 0 || p[-1] == '\\' || p[n] == '\\' )
 264             p += n;
 265         else  /* copy n spaces */
 266             while (n && (*q++ = *p++)) n--;
 267     }
 268 }
 269
 270 LPWSTR resolve_folder(MSIPACKAGE *package, LPCWSTR name, BOOL source,
 271                       BOOL set_prop, MSIFOLDER **folder)
 272 {
 273     MSIFOLDER *f;
 274     LPWSTR p, path = NULL;
 275
 276     TRACE("Working to resolve %s\n",debugstr_w(name));
 277
 278     if (!name)
 279         return NULL;
 280
 281     /* special resolving for Target and Source root dir */
 282     if (strcmpW(name,cszTargetDir)==0 || strcmpW(name,cszSourceDir)==0)
 283     {
 284         if (!source)
 285         {
 286             LPWSTR check_path;
 287             check_path = msi_dup_property( package, cszTargetDir );
 288             if (!check_path)
 289             {
 290                 check_path = msi_dup_property( package, cszRootDrive );
 291                 if (set_prop)
 292                     MSI_SetPropertyW(package,cszTargetDir,check_path);
 293             }
 294
 295             /* correct misbuilt target dir */
 296             path = build_directory_name(2, check_path, NULL);
 297             clean_spaces_from_path( path );
 298             if (strcmpiW(path,check_path)!=0)
 299                 MSI_SetPropertyW(package,cszTargetDir,path);
 300             msi_free(check_path);
 301         }
 302         else
 303             path = get_source_root( package );
 304         if (folder)
 305             *folder = get_loaded_folder( package, name );
 306         return path;
 307     }
 308
 309     f = get_loaded_folder( package, name );
 310     if (!f)
 311         return NULL;
 312
 313     if (folder)
 314         *folder = f;
 315
 316     if (!source && f->ResolvedTarget)
 317     {
 318         path = strdupW( f->ResolvedTarget );
 319         TRACE("   already resolved to %s\n",debugstr_w(path));
 320         return path;
 321     }
 322     else if (source && f->ResolvedSource)
 323     {
 324         path = strdupW( f->ResolvedSource );
 325         TRACE("   (source)already resolved to %s\n",debugstr_w(path));
 326         return path;
 327     }
 328     else if (!source && f->Property)
 329     {
 330         path = build_directory_name( 2, f->Property, NULL );
 331
 332         TRACE("   internally set to %s\n",debugstr_w(path));
 333         if (set_prop)
 334             MSI_SetPropertyW( package, name, path );
 335         return path;
 336     }
 337
 338     if (f->Parent)
 339     {
 340         LPWSTR parent = f->Parent->Directory;
 341
 342         TRACE(" ! Parent is %s\n", debugstr_w(parent));
 343
 344         p = resolve_folder(package, parent, source, set_prop, NULL);
 345         if (!source)
 346         {
 347             TRACE("   TargetDefault = %s\n", debugstr_w(f->TargetDefault));
 348
 349             path = build_directory_name( 3, p, f->TargetDefault, NULL );
 350             clean_spaces_from_path( path );
 351             f->ResolvedTarget = strdupW( path );
 352             TRACE("target -> %s\n", debugstr_w(path));
 353             if (set_prop)
 354                 MSI_SetPropertyW(package,name,path);
 355         }
 356         else
 357         {
 358             if (f->SourceDefault && f->SourceDefault[0]!='.')
 359                 path = build_directory_name( 3, p, f->SourceDefault, NULL );
 360             else
 361                 path = strdupW(p);
 362             TRACE("source -> %s\n", debugstr_w(path));
 363
 364             /* if the directory doesn't exist, use the root */
 365             if (INVALID_FILE_ATTRIBUTES == GetFileAttributesW( path ))
 366             {
 367                 msi_free( path );
 368                 path = get_source_root( package );
 369                 TRACE("defaulting to %s\n", debugstr_w(path));
 370             }
 371             else
 372                 f->ResolvedSource = strdupW( path );
 373         }
 374         msi_free(p);
 375     }
 376     return path;
 377 }
 378
 379 /* wrapper to resist a need for a full rewrite right now */
 380 DWORD deformat_string(MSIPACKAGE *package, LPCWSTR ptr, WCHAR** data )
 381 {
 382     if (ptr)
 383     {
 384         MSIRECORD *rec = MSI_CreateRecord(1);
 385         DWORD size = 0;
 386
 387         MSI_RecordSetStringW(rec,0,ptr);
 388         MSI_FormatRecordW(package,rec,NULL,&size);
 389         if (size >= 0)
 390         {
 391             size++;
 392             *data = msi_alloc(size*sizeof(WCHAR));
 393             if (size > 1)
 394                 MSI_FormatRecordW(package,rec,*data,&size);
 395             else
 396                 *data[0] = 0;
 397             msiobj_release( &rec->hdr );
 398             return sizeof(WCHAR)*size;
 399         }
 400         msiobj_release( &rec->hdr );
 401     }
 402
 403     *data = NULL;
 404     return 0;
 405 }
 406
 407 UINT schedule_action(MSIPACKAGE *package, UINT script, LPCWSTR action)
 408 {
 409     UINT count;
 410     LPWSTR *newbuf = NULL;
 411     if (script >= TOTAL_SCRIPTS)
 412     {
 413         FIXME("Unknown script requested %i\n",script);
 414         return ERROR_FUNCTION_FAILED;
 415     }
 416     TRACE("Scheduling Action %s in script %i\n",debugstr_w(action), script);
 417
 418     count = package->script->ActionCount[script];
 419     package->script->ActionCount[script]++;
 420     if (count != 0)
 421         newbuf = msi_realloc( package->script->Actions[script],
 422                         package->script->ActionCount[script]* sizeof(LPWSTR));
 423     else
 424         newbuf = msi_alloc( sizeof(LPWSTR));
 425
 426     newbuf[count] = strdupW(action);
 427     package->script->Actions[script] = newbuf;
 428
 429    return ERROR_SUCCESS;
 430 }
 431
 432 static void remove_tracked_tempfiles(MSIPACKAGE* package)
 433 {
 434     struct list *item, *cursor;
 435
 436     LIST_FOR_EACH_SAFE( item, cursor, &package->tempfiles )
 437     {
 438         MSITEMPFILE *temp = LIST_ENTRY( item, MSITEMPFILE, entry );
 439
 440         list_remove( &temp->entry );
 441         TRACE("deleting temp file %s\n", debugstr_w( temp->Path ));
 442         DeleteFileW( temp->Path );
 443         msi_free( temp->File );
 444         msi_free( temp->Path );
 445         msi_free( temp );
 446     }
 447 }
 448
 449 static void free_feature( MSIFEATURE *feature )
 450 {
 451     struct list *item, *cursor;
 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 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->Directory );
 510         msi_free( folder->TargetDefault );
 511         msi_free( folder->SourceDefault );
 512         msi_free( folder->ResolvedTarget );
 513         msi_free( folder->ResolvedSource );
 514         msi_free( folder->Property );
 515         msi_free( folder );
 516     }
 517
 518     LIST_FOR_EACH_SAFE( item, cursor, &package->components )
 519     {
 520         MSICOMPONENT *comp = LIST_ENTRY( item, MSICOMPONENT, entry );
 521
 522         list_remove( &comp->entry );
 523         msi_free( comp->Component );
 524         msi_free( comp->ComponentId );
 525         msi_free( comp->Directory );
 526         msi_free( comp->Condition );
 527         msi_free( comp->KeyPath );
 528         msi_free( comp->FullKeypath );
 529         msi_free( comp );
 530     }
 531
 532     LIST_FOR_EACH_SAFE( item, cursor, &package->files )
 533     {
 534         MSIFILE *file = LIST_ENTRY( item, MSIFILE, entry );
 535
 536         list_remove( &file->entry );
 537         msi_free( file->File );
 538         msi_free( file->FileName );
 539         msi_free( file->ShortName );
 540         msi_free( file->Version );
 541         msi_free( file->Language );
 542         msi_free( file->SourcePath );
 543         msi_free( file->TargetPath );
 544         msi_free( file );
 545     }
 546
 547     /* clean up extension, progid, class and verb structures */
 548     LIST_FOR_EACH_SAFE( item, cursor, &package->classes )
 549     {
 550         MSICLASS *cls = LIST_ENTRY( item, MSICLASS, entry );
 551
 552         list_remove( &cls->entry );
 553         msi_free( cls->clsid );
 554         msi_free( cls->Context );
 555         msi_free( cls->Description );
 556         msi_free( cls->FileTypeMask );
 557         msi_free( cls->IconPath );
 558         msi_free( cls->DefInprocHandler );
 559         msi_free( cls->DefInprocHandler32 );
 560         msi_free( cls->Argument );
 561         msi_free( cls->ProgIDText );
 562         msi_free( cls );
 563     }
 564
 565     LIST_FOR_EACH_SAFE( item, cursor, &package->extensions )
 566     {
 567         MSIEXTENSION *ext = LIST_ENTRY( item, MSIEXTENSION, entry );
 568
 569         list_remove( &ext->entry );
 570         free_extension( ext );
 571     }
 572
 573     LIST_FOR_EACH_SAFE( item, cursor, &package->progids )
 574     {
 575         MSIPROGID *progid = LIST_ENTRY( item, MSIPROGID, entry );
 576
 577         list_remove( &progid->entry );
 578         msi_free( progid->ProgID );
 579         msi_free( progid->Description );
 580         msi_free( progid->IconPath );
 581         msi_free( progid );
 582     }
 583
 584     LIST_FOR_EACH_SAFE( item, cursor, &package->mimes )
 585     {
 586         MSIMIME *mt = LIST_ENTRY( item, MSIMIME, entry );
 587
 588         list_remove( &mt->entry );
 589         msi_free( mt->clsid );
 590         msi_free( mt->ContentType );
 591         msi_free( mt );
 592     }
 593
 594     LIST_FOR_EACH_SAFE( item, cursor, &package->appids )
 595     {
 596         MSIAPPID *appid = LIST_ENTRY( item, MSIAPPID, entry );
 597
 598         list_remove( &appid->entry );
 599         msi_free( appid->AppID );
 600         msi_free( appid->RemoteServerName );
 601         msi_free( appid->LocalServer );
 602         msi_free( appid->ServiceParameters );
 603         msi_free( appid->DllSurrogate );
 604         msi_free( appid );
 605     }
 606
 607     if (package->script)
 608     {
 609         for (i = 0; i < TOTAL_SCRIPTS; i++)
 610         {
 611             int j;
 612             for (j = 0; j < package->script->ActionCount[i]; j++)
 613                 msi_free(package->script->Actions[i][j]);
 614
 615             msi_free(package->script->Actions[i]);
 616         }
 617
 618         for (i = 0; i < package->script->UniqueActionsCount; i++)
 619             msi_free(package->script->UniqueActions[i]);
 620
 621         msi_free(package->script->UniqueActions);
 622         msi_free(package->script);
 623     }
 624
 625     msi_free(package->PackagePath);
 626     msi_free(package->ProductCode);
 627     msi_free(package->ActionFormat);
 628     msi_free(package->LastAction);
 629
 630     /* cleanup control event subscriptions */
 631     ControlEvent_CleanupSubscriptions(package);
 632 }
 633
 634 /*
 635  *  build_directory_name()
 636  *
 637  *  This function is to save messing round with directory names
 638  *  It handles adding backslashes between path segments,
 639  *   and can add \ at the end of the directory name if told to.
 640  *
 641  *  It takes a variable number of arguments.
 642  *  It always allocates a new string for the result, so make sure
 643  *   to free the return value when finished with it.
 644  *
 645  *  The first arg is the number of path segments that follow.
 646  *  The arguments following count are a list of path segments.
 647  *  A path segment may be NULL.
 648  *
 649  *  Path segments will be added with a \ separating them.
 650  *  A \ will not be added after the last segment, however if the
 651  *    last segment is NULL, then the last character will be a \
 652  *
 653  */
 654 LPWSTR build_directory_name(DWORD count, ...)
 655 {
 656     DWORD sz = 1, i;
 657     LPWSTR dir;
 658     va_list va;
 659
 660     va_start(va,count);
 661     for(i=0; i<count; i++)
 662     {
 663         LPCWSTR str = va_arg(va,LPCWSTR);
 664         if (str)
 665             sz += strlenW(str) + 1;
 666     }
 667     va_end(va);
 668
 669     dir = msi_alloc(sz*sizeof(WCHAR));
 670     dir[0]=0;
 671
 672     va_start(va,count);
 673     for(i=0; i<count; i++)
 674     {
 675         LPCWSTR str = va_arg(va,LPCWSTR);
 676         if (!str)
 677             continue;
 678         strcatW(dir, str);
 679         if( ((i+1)!=count) && dir[strlenW(dir)-1]!='\\')
 680             strcatW(dir, cszbs);
 681     }
 682     return dir;
 683 }
 684
 685 /***********************************************************************
 686  *            create_full_pathW
 687  *
 688  * Recursively create all directories in the path.
 689  *
 690  * shamelessly stolen from setupapi/queue.c
 691  */
 692 BOOL create_full_pathW(const WCHAR *path)
 693 {
 694     BOOL ret = TRUE;
 695     int len;
 696     WCHAR *new_path;
 697
 698     new_path = msi_alloc( (strlenW(path) + 1) * sizeof(WCHAR));
 699
 700     strcpyW(new_path, path);
 701
 702     while((len = strlenW(new_path)) && new_path[len - 1] == '\\')
 703     new_path[len - 1] = 0;
 704
 705     while(!CreateDirectoryW(new_path, NULL))
 706     {
 707         WCHAR *slash;
 708         DWORD last_error = GetLastError();
 709         if(last_error == ERROR_ALREADY_EXISTS)
 710             break;
 711
 712         if(last_error != ERROR_PATH_NOT_FOUND)
 713         {
 714             ret = FALSE;
 715             break;
 716         }
 717
 718         if(!(slash = strrchrW(new_path, '\\')))
 719         {
 720             ret = FALSE;
 721             break;
 722         }
 723
 724         len = slash - new_path;
 725         new_path[len] = 0;
 726         if(!create_full_pathW(new_path))
 727         {
 728             ret = FALSE;
 729             break;
 730         }
 731         new_path[len] = '\\';
 732     }
 733
 734     msi_free(new_path);
 735     return ret;
 736 }
 737
 738 void ui_progress(MSIPACKAGE *package, int a, int b, int c, int d )
 739 {
 740     MSIRECORD * row;
 741
 742     row = MSI_CreateRecord(4);
 743     MSI_RecordSetInteger(row,1,a);
 744     MSI_RecordSetInteger(row,2,b);
 745     MSI_RecordSetInteger(row,3,c);
 746     MSI_RecordSetInteger(row,4,d);
 747     MSI_ProcessMessage(package, INSTALLMESSAGE_PROGRESS, row);
 748     msiobj_release(&row->hdr);
 749
 750     msi_dialog_check_messages(NULL);
 751 }
 752
 753 void ui_actiondata(MSIPACKAGE *package, LPCWSTR action, MSIRECORD * record)
 754 {
 755     static const WCHAR Query_t[] =
 756         {'S','E','L','E','C','T',' ','*',' ','F','R','O','M',' ',
 757          '`','A','c','t','i','o', 'n','T','e','x','t','`',' ',
 758          'W','H','E','R','E',' ', '`','A','c','t','i','o','n','`',' ','=',
 759          ' ','\'','%','s','\'',0};
 760     WCHAR message[1024];
 761     MSIRECORD * row = 0;
 762     DWORD size;
 763
 764     if (!package->LastAction || strcmpW(package->LastAction,action))
 765     {
 766         row = MSI_QueryGetRecord(package->db, Query_t, action);
 767         if (!row)
 768             return;
 769
 770         if (MSI_RecordIsNull(row,3))
 771         {
 772             msiobj_release(&row->hdr);
 773             return;
 774         }
 775
 776         /* update the cached actionformat */
 777         msi_free(package->ActionFormat);
 778         package->ActionFormat = msi_dup_record_field(row,3);
 779
 780         msi_free(package->LastAction);
 781         package->LastAction = strdupW(action);
 782
 783         msiobj_release(&row->hdr);
 784     }
 785
 786     MSI_RecordSetStringW(record,0,package->ActionFormat);
 787     size = 1024;
 788     MSI_FormatRecordW(package,record,message,&size);
 789
 790     row = MSI_CreateRecord(1);
 791     MSI_RecordSetStringW(row,1,message);
 792
 793     MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, row);
 794
 795     msiobj_release(&row->hdr);
 796 }
 797
 798 BOOL ACTION_VerifyComponentForAction( MSICOMPONENT* comp, INSTALLSTATE check )
 799 {
 800     if (!comp)
 801         return FALSE;
 802
 803     if (comp->Installed == check)
 804         return FALSE;
 805
 806     if (comp->ActionRequest == check)
 807         return TRUE;
 808     else
 809         return FALSE;
 810 }
 811
 812 BOOL ACTION_VerifyFeatureForAction( MSIFEATURE* feature, INSTALLSTATE check )
 813 {
 814     if (!feature)
 815         return FALSE;
 816
 817     if (feature->Installed == check)
 818         return FALSE;
 819
 820     if (feature->ActionRequest == check)
 821         return TRUE;
 822     else
 823         return FALSE;
 824 }
 825
 826 void reduce_to_longfilename(WCHAR* filename)
 827 {
 828     LPWSTR p = strchrW(filename,'|');
 829     if (p)
 830         memmove(filename, p+1, (strlenW(p+1)+1)*sizeof(WCHAR));
 831 }
 832
 833 void reduce_to_shortfilename(WCHAR* filename)
 834 {
 835     LPWSTR p = strchrW(filename,'|');
 836     if (p)
 837         *p = 0;
 838 }
 839
 840 LPWSTR create_component_advertise_string(MSIPACKAGE* package,
 841                 MSICOMPONENT* component, LPCWSTR feature)
 842 {
 843     GUID clsid;
 844     WCHAR productid_85[21];
 845     WCHAR component_85[21];
 846     /*
 847      * I have a fair bit of confusion as to when a < is used and when a > is
 848      * used. I do not think i have it right...
 849      *
 850      * Ok it appears that the > is used if there is a guid for the compoenent
 851      * and the < is used if not.
 852      */
 853     static const WCHAR fmt1[] = {'%','s','%','s','<',0,0};
 854     static const WCHAR fmt2[] = {'%','s','%','s','>','%','s',0,0};
 855     LPWSTR output = NULL;
 856     DWORD sz = 0;
 857
 858     memset(productid_85,0,sizeof(productid_85));
 859     memset(component_85,0,sizeof(component_85));
 860
 861     CLSIDFromString(package->ProductCode, &clsid);
 862
 863     encode_base85_guid(&clsid,productid_85);
 864
 865     CLSIDFromString(component->ComponentId, &clsid);
 866     encode_base85_guid(&clsid,component_85);
 867
 868     TRACE("Doing something with this... %s %s %s\n",
 869             debugstr_w(productid_85), debugstr_w(feature),
 870             debugstr_w(component_85));
 871
 872     sz = lstrlenW(productid_85) + lstrlenW(feature);
 873     if (component)
 874         sz += lstrlenW(component_85);
 875
 876     sz+=3;
 877     sz *= sizeof(WCHAR);
 878
 879     output = msi_alloc(sz);
 880     memset(output,0,sz);
 881
 882     if (component)
 883         sprintfW(output,fmt2,productid_85,feature,component_85);
 884     else
 885         sprintfW(output,fmt1,productid_85,feature);
 886
 887     return output;
 888 }
 889
 890 /* update compoennt state based on a feature change */
 891 void ACTION_UpdateComponentStates(MSIPACKAGE *package, LPCWSTR szFeature)
 892 {
 893     INSTALLSTATE newstate;
 894     MSIFEATURE *feature;
 895     ComponentList *cl;
 896
 897     feature = get_loaded_feature(package,szFeature);
 898     if (!feature)
 899         return;
 900
 901     newstate = feature->ActionRequest;
 902
 903     LIST_FOR_EACH_ENTRY( cl, &feature->Components, ComponentList, entry )
 904     {
 905         MSICOMPONENT* component = cl->component;
 906
 907         TRACE("MODIFYING(%i): Component %s (Installed %i, Action %i, Request %i)\n",
 908             newstate, debugstr_w(component->Component), component->Installed,
 909             component->Action, component->ActionRequest);
 910
 911         if (!component->Enabled)
 912             continue;
 913
 914         if (newstate == INSTALLSTATE_LOCAL)
 915         {
 916             component->ActionRequest = INSTALLSTATE_LOCAL;
 917             component->Action = INSTALLSTATE_LOCAL;
 918         }
 919         else
 920         {
 921             ComponentList *clist;
 922             MSIFEATURE *f;
 923
 924             component->ActionRequest = newstate;
 925             component->Action = newstate;
 926
 927             /*if any other feature wants is local we need to set it local*/
 928             LIST_FOR_EACH_ENTRY( f, &package->features, MSIFEATURE, entry )
 929             {
 930                 if ( component->ActionRequest != INSTALLSTATE_LOCAL )
 931                     break;
 932
 933                 LIST_FOR_EACH_ENTRY( clist, &f->Components, ComponentList, entry )
 934                 {
 935                     if ( clist->component == component )
 936                     {
 937                         if (f->ActionRequest == INSTALLSTATE_LOCAL)
 938                         {
 939                             TRACE("Saved by %s\n", debugstr_w(f->Feature));
 940                             component->ActionRequest = INSTALLSTATE_LOCAL;
 941                             component->Action = INSTALLSTATE_LOCAL;
 942                         }
 943                         break;
 944                     }
 945                 }
 946             }
 947         }
 948         TRACE("Result (%i): Component %s (Installed %i, Action %i, Request %i)\n",
 949             newstate, debugstr_w(component->Component), component->Installed,
 950             component->Action, component->ActionRequest);
 951     }
 952 }
 953
 954 UINT register_unique_action(MSIPACKAGE *package, LPCWSTR action)
 955 {
 956     UINT count;
 957     LPWSTR *newbuf = NULL;
 958
 959     if (!package->script)
 960         return FALSE;
 961
 962     TRACE("Registering Action %s as having fun\n",debugstr_w(action));
 963
 964     count = package->script->UniqueActionsCount;
 965     package->script->UniqueActionsCount++;
 966     if (count != 0)
 967         newbuf = msi_realloc( package->script->UniqueActions,
 968                         package->script->UniqueActionsCount* sizeof(LPWSTR));
 969     else
 970         newbuf = msi_alloc( sizeof(LPWSTR));
 971
 972     newbuf[count] = strdupW(action);
 973     package->script->UniqueActions = newbuf;
 974
 975     return ERROR_SUCCESS;
 976 }
 977
 978 BOOL check_unique_action(MSIPACKAGE *package, LPCWSTR action)
 979 {
 980     INT i;
 981
 982     if (!package->script)
 983         return FALSE;
 984
 985     for (i = 0; i < package->script->UniqueActionsCount; i++)
 986         if (!strcmpW(package->script->UniqueActions[i],action))
 987             return TRUE;
 988
 989     return FALSE;
 990 }
 991
 992 WCHAR* generate_error_string(MSIPACKAGE *package, UINT error, DWORD count, ... )
 993 {
 994     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};
 995
 996     MSIRECORD *rec;
 997     MSIRECORD *row;
 998     DWORD size = 0;
 999     DWORD i;
1000     va_list va;
1001     LPCWSTR str;
1002     LPWSTR data;
1003
1004     row = MSI_QueryGetRecord(package->db, query, error);
1005     if (!row)
1006         return 0;
1007
1008     rec = MSI_CreateRecord(count+2);
1009
1010     str = MSI_RecordGetString(row,1);
1011     MSI_RecordSetStringW(rec,0,str);
1012     msiobj_release( &row->hdr );
1013     MSI_RecordSetInteger(rec,1,error);
1014
1015     va_start(va,count);
1016     for (i = 0; i < count; i++)
1017     {
1018         str = va_arg(va,LPCWSTR);
1019         MSI_RecordSetStringW(rec,(i+2),str);
1020     }
1021     va_end(va);
1022
1023     MSI_FormatRecordW(package,rec,NULL,&size);
1024     if (size >= 0)
1025     {
1026         size++;
1027         data = msi_alloc(size*sizeof(WCHAR));
1028         if (size > 1)
1029             MSI_FormatRecordW(package,rec,data,&size);
1030         else
1031             data[0] = 0;
1032         msiobj_release( &rec->hdr );
1033         return data;
1034     }
1035
1036     msiobj_release( &rec->hdr );
1037     data = NULL;
1038     return data;
1039 }