git.sesse.net Git - vlc/blob - modules/control/http/macro.c

   1 /*****************************************************************************
   2  * macro.c : Custom <vlc> macro handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *          Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #include "http.h"
  27 #include "macros.h"
  28 #include "vlc_url.h"
  29
  30 static int MacroParse( macro_t *m, char *psz_src )
  31 {
  32     char *dup = strdup( (char *)psz_src );
  33     char *src = dup;
  34     char *p;
  35     int     i_skip;
  36
  37 #define EXTRACT( name, l ) \
  38         src += l;    \
  39         p = strchr( src, '"' );             \
  40         if( p )                             \
  41         {                                   \
  42             *p++ = '\0';                    \
  43         }                                   \
  44         m->name = strdup( src );            \
  45         if( !p )                            \
  46         {                                   \
  47             break;                          \
  48         }                                   \
  49         src = p;
  50
  51     /* init m */
  52     m->id = NULL;
  53     m->param1 = NULL;
  54     m->param2 = NULL;
  55
  56     /* parse */
  57     src += 4;
  58
  59     while( *src )
  60     {
  61         while( *src == ' ')
  62         {
  63             src++;
  64         }
  65         if( !strncmp( src, "id=\"", 4 ) )
  66         {
  67             EXTRACT( id, 4 );
  68         }
  69         else if( !strncmp( src, "param1=\"", 8 ) )
  70         {
  71             EXTRACT( param1, 8 );
  72         }
  73         else if( !strncmp( src, "param2=\"", 8 ) )
  74         {
  75             EXTRACT( param2, 8 );
  76         }
  77         else
  78         {
  79             break;
  80         }
  81     }
  82     if( strstr( src, "/>" ) )
  83     {
  84         src = strstr( src, "/>" ) + 2;
  85     }
  86     else
  87     {
  88         src += strlen( src );
  89     }
  90
  91     if( m->id == NULL )
  92     {
  93         m->id = strdup( "" );
  94     }
  95     if( m->param1 == NULL )
  96     {
  97         m->param1 = strdup( "" );
  98     }
  99     if( m->param2 == NULL )
 100     {
 101         m->param2 = strdup( "" );
 102     }
 103     i_skip = src - dup;
 104
 105     free( dup );
 106     return i_skip;
 107 #undef EXTRACT
 108 }
 109
 110 static void MacroClean( macro_t *m )
 111 {
 112     free( m->id );
 113     free( m->param1 );
 114     free( m->param2 );
 115 }
 116
 117 static int StrToMacroType( const char *name )
 118 {
 119     int i;
 120
 121     if( !name || *name == '\0')
 122     {
 123         return MVLC_UNKNOWN;
 124     }
 125     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 126     {
 127         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 128         {
 129             return StrToMacroTypeTab[i].i_type;
 130         }
 131     }
 132     return MVLC_UNKNOWN;
 133 }
 134
 135 static void MacroDo( httpd_file_sys_t *p_args,
 136                      macro_t *m,
 137                      char *p_request, int i_request,
 138                      char **pp_data,  int *pi_data,
 139                      char **pp_dst )
 140 {
 141     intf_thread_t  *p_intf = p_args->p_intf;
 142     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 143     char control[512];
 144
 145 #define ALLOC( l ) \
 146     {               \
 147         int __i__ = *pp_dst - *pp_data; \
 148         *pi_data += (l);                  \
 149         *pp_data = realloc( *pp_data, *pi_data );   \
 150         *pp_dst = (*pp_data) + __i__;   \
 151     }
 152 #define PRINT( str ) \
 153     ALLOC( strlen( str ) + 1 ); \
 154     *pp_dst += sprintf( *pp_dst, "%s", str );
 155
 156 #define PRINTS( str, s ) \
 157     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 158     { \
 159         char * psz_cur = *pp_dst; \
 160         *pp_dst += sprintf( *pp_dst, str, s ); \
 161         while( psz_cur && *psz_cur ) \
 162         {  \
 163             /* Prevent script injection */ \
 164             if( *psz_cur == '<' ) *psz_cur = '*'; \
 165             if( *psz_cur == '>' ) *psz_cur = '*'; \
 166             psz_cur++ ; \
 167         } \
 168     }
 169
 170     switch( StrToMacroType( m->id ) )
 171     {
 172         case MVLC_CONTROL:
 173             if( i_request <= 0 )
 174             {
 175                 break;
 176             }
 177             E_(ExtractURIValue)( p_request, "control", control, 512 );
 178             if( *m->param1 && !strstr( m->param1, control ) )
 179             {
 180                 msg_Warn( p_intf, "unauthorized control=%s", control );
 181                 break;
 182             }
 183             switch( StrToMacroType( control ) )
 184             {
 185                 case MVLC_PLAY:
 186                 {
 187                     int i_item;
 188                     char item[512];
 189
 190                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 191                     i_item = atoi( item );
 192                     /* id = 0 : simply ask playlist to play */
 193                     if( i_item == 0 )
 194                     {
 195                         playlist_Play( p_sys->p_playlist );
 196                         msg_Dbg( p_intf, "requested playlist play" );
 197                         break;
 198                     }
 199                     playlist_Control( p_sys->p_playlist, PLAYLIST_VIEWPLAY,
 200                                       VLC_TRUE, NULL,
 201                                       playlist_ItemGetById( p_sys->p_playlist,
 202                                       i_item, VLC_TRUE ) );
 203                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 204                     break;
 205                 }
 206                 case MVLC_STOP:
 207                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP,
 208                                       VLC_TRUE );
 209                     msg_Dbg( p_intf, "requested playlist stop" );
 210                     break;
 211                 case MVLC_PAUSE:
 212                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE,
 213                                       VLC_TRUE );
 214                     msg_Dbg( p_intf, "requested playlist pause" );
 215                     break;
 216                 case MVLC_NEXT:
 217                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 218                                       VLC_TRUE, 1 );
 219                     msg_Dbg( p_intf, "requested playlist next" );
 220                     break;
 221                 case MVLC_PREVIOUS:
 222                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 223                                       VLC_TRUE, -1 );
 224                     msg_Dbg( p_intf, "requested playlist previous" );
 225                     break;
 226                 case MVLC_FULLSCREEN:
 227                     if( p_sys->p_input )
 228                     {
 229                         vout_thread_t *p_vout;
 230                         p_vout = vlc_object_find( p_sys->p_input,
 231                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 232
 233                         if( p_vout )
 234                         {
 235                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 236                             vlc_object_release( p_vout );
 237                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 238                         }
 239                     }
 240                     break;
 241                 case MVLC_SEEK:
 242                 {
 243                     char value[30];
 244                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 245                     decode_URI( value );
 246                     E_(HandleSeek)( p_intf, value );
 247                     break;
 248                 }
 249                 case MVLC_VOLUME:
 250                 {
 251                     char vol[8];
 252                     audio_volume_t i_volume;
 253                     int i_value;
 254
 255                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 256                     aout_VolumeGet( p_intf, &i_volume );
 257                     decode_URI( vol );
 258
 259                     if( vol[0] == '+' )
 260                     {
 261                         i_value = atoi( vol + 1 );
 262                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 263                         {
 264                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 265                             msg_Dbg( p_intf, "requested volume set: max" );
 266                         }
 267                         else
 268                         {
 269                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 270                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 271                         }
 272                     }
 273                     else if( vol[0] == '-' )
 274                     {
 275                         i_value = atoi( vol + 1 );
 276                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 277                         {
 278                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 279                             msg_Dbg( p_intf, "requested volume set: min" );
 280                         }
 281                         else
 282                         {
 283                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 284                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 285                         }
 286                     }
 287                     else if( strstr(vol, "%") != NULL )
 288                     {
 289                         i_value = atoi( vol );
 290                         if( (i_value <= 400) && (i_value>=0) ){
 291                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 292                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 293                         }
 294                     }
 295                     else
 296                     {
 297                         i_value = atoi( vol );
 298                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 299                         {
 300                             aout_VolumeSet( p_intf , atoi( vol ) );
 301                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 302                         }
 303                     }
 304                     break;
 305                 }
 306
 307                 /* playlist management */
 308                 case MVLC_ADD:
 309                 {
 310                     char mrl[1024], psz_name[1024], tmp[1024];
 311                     char *p, *str;
 312                     input_item_t *p_input;
 313
 314                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 315                     decode_URI( tmp );
 316                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 317                     decode_URI( psz_name );
 318                     if( !*psz_name )
 319                     {
 320                         memcpy( psz_name, tmp, 1024 );
 321                     }
 322                     /* addslashes for backward compatibility with the old
 323                      * http intf */
 324                     p = mrl; str = tmp;
 325                     while( *str != '\0' )
 326                     {
 327                         if( *str == '"' || *str == '\'' || *str == '\\' )
 328                         {
 329                             *p++ = '\\';
 330                         }
 331                         *p++ = *str;
 332                         str++;
 333                     }
 334                     *p = '\0';
 335
 336                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 337
 338                     char *psz_uri = input_item_GetURI( p_input );
 339                     if( !p_input || !psz_uri || !*psz_uri )
 340                     {
 341                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 342                     }
 343                     else
 344                     {
 345                         playlist_AddInput( p_sys->p_playlist, p_input,
 346                                      PLAYLIST_APPEND, PLAYLIST_END, VLC_TRUE,
 347                                      VLC_FALSE);
 348                         vlc_gc_decref( p_input );
 349                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 350                     }
 351                     free( psz_uri );
 352
 353                     break;
 354                 }
 355                 case MVLC_DEL:
 356                 {
 357                     int i_item, *p_items = NULL, i_nb_items = 0;
 358                     char item[512], *p_parser = p_request;
 359
 360                     /* Get the list of items to delete */
 361                     while( (p_parser =
 362                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 363                     {
 364                         if( !*item ) continue;
 365
 366                         i_item = atoi( item );
 367                         p_items = realloc( p_items, (i_nb_items + 1) *
 368                                            sizeof(int) );
 369                         p_items[i_nb_items] = i_item;
 370                         i_nb_items++;
 371                     }
 372
 373                     if( i_nb_items )
 374                     {
 375                         int i;
 376                         for( i = 0; i < i_nb_items; i++ )
 377                         {
 378                             playlist_DeleteFromInput( p_sys->p_playlist,
 379                                                       p_items[i], VLC_FALSE );
 380                             msg_Dbg( p_intf, "requested playlist delete: %d",
 381                                      p_items[i] );
 382                             p_items[i] = -1;
 383                         }
 384                     }
 385
 386                     if( p_items ) free( p_items );
 387                     break;
 388                 }
 389                 case MVLC_KEEP:
 390                 {
 391                     int i_item, *p_items = NULL, i_nb_items = 0;
 392                     char item[512], *p_parser = p_request;
 393                     int i,j;
 394
 395                     /* Get the list of items to keep */
 396                     while( (p_parser =
 397                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 398                     {
 399                         if( !*item ) continue;
 400
 401                         i_item = atoi( item );
 402                         p_items = realloc( p_items, (i_nb_items + 1) *
 403                                            sizeof(int) );
 404                         p_items[i_nb_items] = i_item;
 405                         i_nb_items++;
 406                     }
 407
 408                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 409                     {
 410                         /* Check if the item is in the keep list */
 411                         for( j = 0 ; j < i_nb_items ; j++ )
 412                         {
 413                             if( p_items[j] ==
 414                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 415                                                 ->i_id)
 416                                 break;
 417                         }
 418                         if( j == i_nb_items )
 419                         {
 420                             playlist_DeleteFromInput( p_sys->p_playlist,
 421                                      p_sys->p_playlist->items.p_elems[i]->i_id,
 422                                                       VLC_FALSE );
 423                             msg_Dbg( p_intf, "requested playlist delete: %d",
 424                                      i );
 425                         }
 426                     }
 427
 428                     if( p_items ) free( p_items );
 429                     break;
 430                 }
 431                 case MVLC_EMPTY:
 432                 {
 433                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 434                     msg_Dbg( p_intf, "requested playlist empty" );
 435                     break;
 436                 }
 437                 case MVLC_SORT:
 438                 {
 439                     char type[12];
 440                     char order[2];
 441                     char item[512];
 442                     int i_order;
 443                     int i_item;
 444
 445                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 446                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 447                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 448                     i_item = atoi( item );
 449
 450                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 451                     else i_order = ORDER_REVERSE;
 452
 453                     if( !strcmp( type , "title" ) )
 454                     {
 455                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 456                                                     /* Ugly hack,but not worse than before ... */
 457                                                     p_sys->p_playlist->p_root_onelevel,
 458                                                     SORT_TITLE_NODES_FIRST,
 459                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 460                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 461                     }
 462                     else if( !strcmp( type , "author" ) )
 463                     {
 464                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 465                                                     p_sys->p_playlist->p_root_onelevel,
 466                                                     SORT_ARTIST,
 467                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 468                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 469                     }
 470                     else if( !strcmp( type , "shuffle" ) )
 471                     {
 472                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 473                                                     p_sys->p_playlist->p_root_onelevel,
 474                                                     SORT_RANDOM,
 475                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 476                         msg_Dbg( p_intf, "requested playlist shuffle");
 477                     }
 478
 479                     break;
 480                 }
 481                 case MVLC_MOVE:
 482                 {
 483                     char psz_pos[6];
 484                     char psz_newpos[6];
 485                     int i_pos;
 486                     int i_newpos;
 487                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 488                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 489                     i_pos = atoi( psz_pos );
 490                     i_newpos = atoi( psz_newpos );
 491                     /* FIXME FIXME TODO TODO XXX XXX
 492                     ( duplicate from rpn.c )
 493                     if ( i_pos < i_newpos )
 494                     {
 495                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 496                     }
 497                     else
 498                     {
 499                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 500                     }
 501                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 502                     FIXME FIXME TODO TODO XXX XXX */
 503                     break;
 504                 }
 505
 506                 /* admin function */
 507                 case MVLC_CLOSE:
 508                 {
 509                     char id[512];
 510                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 511                     msg_Dbg( p_intf, "requested close id=%s", id );
 512 #if 0
 513                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 514                     {
 515                         msg_Warn( p_intf, "close failed for id=%s", id );
 516                     }
 517 #endif
 518                     break;
 519                 }
 520                 case MVLC_SHUTDOWN:
 521                 {
 522                     msg_Dbg( p_intf, "requested shutdown" );
 523                     vlc_object_kill( p_intf->p_libvlc );
 524                     break;
 525                 }
 526                 /* vlm */
 527                 case MVLC_VLM_NEW:
 528                 case MVLC_VLM_SETUP:
 529                 {
 530                     static const char *vlm_properties[11] =
 531                     {
 532                         /* no args */
 533                         "enabled", "disabled", "loop", "unloop",
 534                         /* args required */
 535                         "input", "output", "option", "date", "period", "repeat", "append",
 536                     };
 537                     vlm_message_t *vlm_answer;
 538                     char name[512];
 539                     char *psz = malloc( strlen( p_request ) + 1000 );
 540                     char *p = psz;
 541                     char *vlm_error;
 542                     int i;
 543
 544                     if( p_intf->p_sys->p_vlm == NULL )
 545                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 546
 547                     if( p_intf->p_sys->p_vlm == NULL ) break;
 548
 549                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 550                     if( StrToMacroType( control ) == MVLC_VLM_NEW )
 551                     {
 552                         char type[20];
 553                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 554                         p += sprintf( psz, "new %s %s", name, type );
 555                     }
 556                     else
 557                     {
 558                         p += sprintf( psz, "setup %s", name );
 559                     }
 560                     /* Parse the request */
 561                     for( i = 0; i < 11; i++ )
 562                     {
 563                         char val[512];
 564                         E_(ExtractURIValue)( p_request,
 565                                                vlm_properties[i], val, 512 );
 566                         decode_URI( val );
 567                         if( strlen( val ) > 0 && i >= 4 )
 568                         {
 569                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 570                         }
 571                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 572                         {
 573                             p += sprintf( p, " %s", vlm_properties[i] );
 574                         }
 575                     }
 576                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 577                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 578                     {
 579                         vlm_error = strdup( "" );
 580                     }
 581                     else
 582                     {
 583                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 584                                             strlen(vlm_answer->psz_value) +
 585                                             strlen( " : ") + 1 );
 586                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 587                                                          vlm_answer->psz_value );
 588                     }
 589
 590                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 591
 592                     vlm_MessageDelete( vlm_answer );
 593                     free( vlm_error );
 594                     free( psz );
 595                     break;
 596                 }
 597
 598                 case MVLC_VLM_DEL:
 599                 {
 600                     vlm_message_t *vlm_answer;
 601                     char name[512];
 602                     char psz[512+10];
 603                     if( p_intf->p_sys->p_vlm == NULL )
 604                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 605
 606                     if( p_intf->p_sys->p_vlm == NULL ) break;
 607
 608                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 609                     sprintf( psz, "del %s", name );
 610
 611                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 612                     /* FIXME do a vlm_answer -> var stack conversion */
 613                     vlm_MessageDelete( vlm_answer );
 614                     break;
 615                 }
 616
 617                 case MVLC_VLM_PLAY:
 618                 case MVLC_VLM_PAUSE:
 619                 case MVLC_VLM_STOP:
 620                 case MVLC_VLM_SEEK:
 621                 {
 622                     vlm_message_t *vlm_answer;
 623                     char name[512];
 624                     char psz[512+10];
 625                     if( p_intf->p_sys->p_vlm == NULL )
 626                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 627
 628                     if( p_intf->p_sys->p_vlm == NULL ) break;
 629
 630                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 631                     if( StrToMacroType( control ) == MVLC_VLM_PLAY )
 632                         sprintf( psz, "control %s play", name );
 633                     else if( StrToMacroType( control ) == MVLC_VLM_PAUSE )
 634                         sprintf( psz, "control %s pause", name );
 635                     else if( StrToMacroType( control ) == MVLC_VLM_STOP )
 636                         sprintf( psz, "control %s stop", name );
 637                     else if( StrToMacroType( control ) == MVLC_VLM_SEEK )
 638                     {
 639                         char percent[20];
 640                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 641                         sprintf( psz, "control %s seek %s", name, percent );
 642                     }
 643
 644                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 645                     /* FIXME do a vlm_answer -> var stack conversion */
 646                     vlm_MessageDelete( vlm_answer );
 647                     break;
 648                 }
 649                 case MVLC_VLM_LOAD:
 650                 case MVLC_VLM_SAVE:
 651                 {
 652                     vlm_message_t *vlm_answer;
 653                     char file[512];
 654                     char psz[512];
 655
 656                     if( p_intf->p_sys->p_vlm == NULL )
 657                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 658
 659                     if( p_intf->p_sys->p_vlm == NULL ) break;
 660
 661                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 662                     decode_URI( file );
 663
 664                     if( StrToMacroType( control ) == MVLC_VLM_LOAD )
 665                         sprintf( psz, "load %s", file );
 666                     else
 667                         sprintf( psz, "save %s", file );
 668
 669                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 670                     /* FIXME do a vlm_answer -> var stack conversion */
 671                     vlm_MessageDelete( vlm_answer );
 672                     break;
 673                 }
 674
 675                 default:
 676                     if( *control )
 677                     {
 678                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 679                     }
 680                     break;
 681             }
 682             break;
 683
 684         case MVLC_SET:
 685         {
 686             char    value[512];
 687             int     i;
 688             float   f;
 689
 690             if( i_request <= 0 ||
 691                 *m->param1  == '\0' ||
 692                 strstr( p_request, m->param1 ) == NULL )
 693             {
 694                 break;
 695             }
 696             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 697             decode_URI( value );
 698
 699             switch( StrToMacroType( m->param2 ) )
 700             {
 701                 case MVLC_INT:
 702                     i = atoi( value );
 703                     config_PutInt( p_intf, m->param1, i );
 704                     break;
 705                 case MVLC_FLOAT:
 706                     f = atof( value );
 707                     config_PutFloat( p_intf, m->param1, f );
 708                     break;
 709                 case MVLC_STRING:
 710                     config_PutPsz( p_intf, m->param1, value );
 711                     break;
 712                 default:
 713                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 714             }
 715             break;
 716         }
 717         case MVLC_GET:
 718         {
 719             char    value[512];
 720             int     i;
 721             float   f;
 722             char    *psz;
 723             lldiv_t div;
 724
 725             if( *m->param1  == '\0' )
 726             {
 727                 break;
 728             }
 729
 730             switch( StrToMacroType( m->param2 ) )
 731             {
 732                 case MVLC_INT:
 733                     i = config_GetInt( p_intf, m->param1 );
 734                     sprintf( value, "%d", i );
 735                     break;
 736                 case MVLC_FLOAT:
 737                     f = config_GetFloat( p_intf, m->param1 );
 738                     div = lldiv( f * 1000000 , 1000000 );
 739                     sprintf( value, "%lld.%06u", div.quot,
 740                             (unsigned int)div.rem );
 741                     break;
 742                 case MVLC_STRING:
 743                     psz = config_GetPsz( p_intf, m->param1 );
 744                     if( psz != NULL )
 745                     {
 746                         strlcpy( value, psz,sizeof( value ) );
 747                         free( psz );
 748                     }
 749                     else
 750                         *value = '\0';
 751                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 752                     break;
 753                 default:
 754                     snprintf( value, sizeof( value ),
 755                               "invalid type(%s) in set", m->param2 );
 756                     break;
 757             }
 758             PRINTS( "%s", value );
 759             break;
 760         }
 761         case MVLC_VALUE:
 762         {
 763             char *s, *v;
 764
 765             if( m->param1 )
 766             {
 767                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 768                 s = E_(SSPop)( &p_args->stack );
 769                 v = E_(mvar_GetValue)( p_args->vars, s );
 770             }
 771             else
 772             {
 773                 v = s = E_(SSPop)( &p_args->stack );
 774             }
 775
 776             PRINTS( "%s", v );
 777             free( s );
 778             break;
 779         }
 780         case MVLC_RPN:
 781             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 782             break;
 783
 784         /* Useful to learn stack management */
 785         case MVLC_STACK:
 786         {
 787             int i;
 788             msg_Dbg( p_intf, "stack" );
 789             for (i=0;i<(&p_args->stack)->i_stack;i++)
 790                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 791             break;
 792         }
 793
 794         case MVLC_UNKNOWN:
 795         default:
 796             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 797             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 798             break;
 799     }
 800 #undef PRINTS
 801 #undef PRINT
 802 #undef ALLOC
 803 }
 804
 805 static
 806 char *MacroSearch( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 807 {
 808     int     i_id;
 809     int     i_level = 0;
 810
 811     while( src < end )
 812     {
 813         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 814         {
 815             int i_skip;
 816             macro_t m;
 817
 818             i_skip = MacroParse( &m, src );
 819
 820             i_id = StrToMacroType( m.id );
 821
 822             switch( i_id )
 823             {
 824                 case MVLC_IF:
 825                 case MVLC_FOREACH:
 826                     i_level++;
 827                     break;
 828                 case MVLC_END:
 829                     i_level--;
 830                     break;
 831                 default:
 832                     break;
 833             }
 834
 835             MacroClean( &m );
 836
 837             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 838                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 839             {
 840                 return src + ( b_after ? i_skip : 0 );
 841             }
 842             else if( i_level < 0 )
 843             {
 844                 return NULL;
 845             }
 846
 847             src += i_skip;
 848         }
 849         else
 850         {
 851             src++;
 852         }
 853     }
 854
 855     return NULL;
 856 }
 857
 858 void E_(Execute)( httpd_file_sys_t *p_args,
 859                      char *p_request, int i_request,
 860                      char **pp_data, int *pi_data,
 861                      char **pp_dst,
 862                      char *_src, char *_end )
 863 {
 864     intf_thread_t  *p_intf = p_args->p_intf;
 865
 866     char *src, *dup, *end;
 867     char *dst = *pp_dst;
 868
 869     src = dup = malloc( _end - _src + 1 );
 870     end = src +( _end - _src );
 871
 872     memcpy( src, _src, _end - _src );
 873     *end = '\0';
 874
 875     /* we parse searching <vlc */
 876     while( src < end )
 877     {
 878         char *p;
 879         int i_copy;
 880
 881         p = (char *)strstr( (char *)src, "<vlc" );
 882         if( p < end && p == src )
 883         {
 884             macro_t m;
 885
 886             src += MacroParse( &m, src );
 887
 888             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 889
 890             switch( StrToMacroType( m.id ) )
 891             {
 892                 case MVLC_INCLUDE:
 893                 {
 894                     FILE *f;
 895                     int  i_buffer;
 896                     char *p_buffer;
 897                     char psz_file[MAX_DIR_SIZE];
 898                     char *p;
 899                     char sep;
 900
 901 #if defined( WIN32 )
 902                     sep = '\\';
 903 #else
 904                     sep = '/';
 905 #endif
 906
 907                     if( m.param1[0] != sep )
 908                     {
 909                         strcpy( psz_file, p_args->file );
 910                         p = strrchr( psz_file, sep );
 911                         if( p != NULL )
 912                             strcpy( p + 1, m.param1 );
 913                         else
 914                             strcpy( psz_file, m.param1 );
 915                     }
 916                     else
 917                     {
 918                         strcpy( psz_file, m.param1 );
 919                     }
 920
 921                     /* We hereby assume that psz_file is in the
 922                      * local character encoding */
 923                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 924                     {
 925                         msg_Warn( p_args->p_intf,
 926                                   "unable to include file %s (%m)",
 927                                   psz_file );
 928                         break;
 929                     }
 930
 931                     /* first we load in a temporary buffer */
 932                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 933
 934                     /* we parse executing all  <vlc /> macros */
 935                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 936                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 937                     free( p_buffer );
 938                     fclose(f);
 939                     break;
 940                 }
 941                 case MVLC_IF:
 942                 {
 943                     vlc_bool_t i_test;
 944                     char    *endif;
 945
 946                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 947                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 948                     {
 949                         i_test = 1;
 950                     }
 951                     else
 952                     {
 953                         i_test = 0;
 954                     }
 955                     endif = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 956
 957                     if( i_test == 0 )
 958                     {
 959                         char *start = MacroSearch( src, endif, MVLC_ELSE, VLC_TRUE );
 960
 961                         if( start )
 962                         {
 963                             char *stop  = MacroSearch( start, endif, MVLC_END, VLC_FALSE );
 964                             if( stop )
 965                             {
 966                                 E_(Execute)( p_args, p_request, i_request,
 967                                          pp_data, pi_data, &dst, start, stop );
 968                             }
 969                         }
 970                     }
 971                     else if( i_test == 1 )
 972                     {
 973                         char *stop;
 974                         if( ( stop = MacroSearch( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 975                         {
 976                             stop = MacroSearch( src, endif, MVLC_END, VLC_FALSE );
 977                         }
 978                         if( stop )
 979                         {
 980                             E_(Execute)( p_args, p_request, i_request,
 981                                      pp_data, pi_data, &dst, src, stop );
 982                         }
 983                     }
 984
 985                     src = endif;
 986                     break;
 987                 }
 988                 case MVLC_FOREACH:
 989                 {
 990                     char *endfor = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 991                     char *start = src;
 992                     char *stop = MacroSearch( src, end, MVLC_END, VLC_FALSE );
 993
 994                     if( stop )
 995                     {
 996                         mvar_t *index;
 997                         int    i_idx;
 998                         mvar_t *v;
 999                         if( !strcmp( m.param2, "integer" ) )
1000                         {
1001                             char *arg = E_(SSPop)( &p_args->stack );
1002                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
1003                             free( arg );
1004                         }
1005                         else if( !strcmp( m.param2, "directory" ) )
1006                         {
1007                             char *arg = E_(SSPop)( &p_args->stack );
1008                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1009                             free( arg );
1010                         }
1011                         else if( !strcmp( m.param2, "object" ) )
1012                         {
1013                             char *arg = E_(SSPop)( &p_args->stack );
1014                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1015                             free( arg );
1016                         }
1017                         else if( !strcmp( m.param2, "playlist" ) )
1018                         {
1019                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1020                                                     p_intf->p_sys->p_playlist );
1021                         }
1022                         else if( !strcmp( m.param2, "information" ) )
1023                         {
1024                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1025                                                      p_intf->p_sys->p_input );
1026                         }
1027                         else if( !strcmp( m.param2, "program" )
1028                                   || !strcmp( m.param2, "title" )
1029                                   || !strcmp( m.param2, "chapter" )
1030                                   || !strcmp( m.param2, "audio-es" )
1031                                   || !strcmp( m.param2, "video-es" )
1032                                   || !strcmp( m.param2, "spu-es" ) )
1033                         {
1034                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1035                                                          p_intf->p_sys->p_input,
1036                                                          m.param2 );
1037                         }
1038                         else if( !strcmp( m.param2, "vlm" ) )
1039                         {
1040                             if( p_intf->p_sys->p_vlm == NULL )
1041                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1042                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1043                         }
1044 #if 0
1045                         else if( !strcmp( m.param2, "hosts" ) )
1046                         {
1047                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1048                         }
1049                         else if( !strcmp( m.param2, "urls" ) )
1050                         {
1051                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1052                         }
1053                         else if( !strcmp( m.param2, "connections" ) )
1054                         {
1055                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1056                         }
1057 #endif
1058                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1059                         {
1060                             index = E_(mvar_Duplicate)( v );
1061                         }
1062                         else
1063                         {
1064                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1065                             src = endfor;
1066                             break;
1067                         }
1068
1069                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1070                         {
1071                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1072
1073                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1074
1075                             free( f->name );
1076                             f->name = strdup( m.param1 );
1077
1078
1079                             E_(mvar_PushVar)( p_args->vars, f );
1080                             E_(Execute)( p_args, p_request, i_request,
1081                                      pp_data, pi_data, &dst, start, stop );
1082                             E_(mvar_RemoveVar)( p_args->vars, f );
1083
1084                             E_(mvar_Delete)( f );
1085                         }
1086                         E_(mvar_Delete)( index );
1087
1088                         src = endfor;
1089                     }
1090                     break;
1091                 }
1092                 default:
1093                     MacroDo( p_args, &m, p_request, i_request,
1094                              pp_data, pi_data, &dst );
1095                     break;
1096             }
1097
1098             MacroClean( &m );
1099             continue;
1100         }
1101
1102         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1103         if( i_copy > 0 )
1104         {
1105             int i_index = dst - *pp_data;
1106
1107             *pi_data += i_copy;
1108             *pp_data = realloc( *pp_data, *pi_data );
1109             dst = (*pp_data) + i_index;
1110
1111             memcpy( dst, src, i_copy );
1112             dst += i_copy;
1113             src += i_copy;
1114         }
1115     }
1116
1117     *pp_dst = dst;
1118     free( dup );
1119 }