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