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                                       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                     if( !p_input || !p_input->psz_uri ||
 339                         !*p_input->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                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 349                     }
 350
 351                     break;
 352                 }
 353                 case MVLC_DEL:
 354                 {
 355                     int i_item, *p_items = NULL, i_nb_items = 0;
 356                     char item[512], *p_parser = p_request;
 357
 358                     /* Get the list of items to delete */
 359                     while( (p_parser =
 360                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 361                     {
 362                         if( !*item ) continue;
 363
 364                         i_item = atoi( item );
 365                         p_items = realloc( p_items, (i_nb_items + 1) *
 366                                            sizeof(int) );
 367                         p_items[i_nb_items] = i_item;
 368                         i_nb_items++;
 369                     }
 370
 371                     if( i_nb_items )
 372                     {
 373                         int i;
 374                         for( i = 0; i < i_nb_items; i++ )
 375                         {
 376                             playlist_DeleteFromInput( p_sys->p_playlist,
 377                                                       p_items[i], VLC_FALSE );
 378                             msg_Dbg( p_intf, "requested playlist delete: %d",
 379                                      p_items[i] );
 380                             p_items[i] = -1;
 381                         }
 382                     }
 383
 384                     if( p_items ) free( p_items );
 385                     break;
 386                 }
 387                 case MVLC_KEEP:
 388                 {
 389                     int i_item, *p_items = NULL, i_nb_items = 0;
 390                     char item[512], *p_parser = p_request;
 391                     int i,j;
 392
 393                     /* Get the list of items to keep */
 394                     while( (p_parser =
 395                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 396                     {
 397                         if( !*item ) continue;
 398
 399                         i_item = atoi( item );
 400                         p_items = realloc( p_items, (i_nb_items + 1) *
 401                                            sizeof(int) );
 402                         p_items[i_nb_items] = i_item;
 403                         i_nb_items++;
 404                     }
 405
 406                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 407                     {
 408                         /* Check if the item is in the keep list */
 409                         for( j = 0 ; j < i_nb_items ; j++ )
 410                         {
 411                             if( p_items[j] ==
 412                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 413                                                 ->i_id)
 414                                 break;
 415                         }
 416                         if( j == i_nb_items )
 417                         {
 418                             playlist_DeleteFromInput( p_sys->p_playlist,
 419                                      p_sys->p_playlist->items.p_elems[i]->i_id,
 420                                                       VLC_FALSE );
 421                             msg_Dbg( p_intf, "requested playlist delete: %d",
 422                                      i );
 423                         }
 424                     }
 425
 426                     if( p_items ) free( p_items );
 427                     break;
 428                 }
 429                 case MVLC_EMPTY:
 430                 {
 431                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 432                     msg_Dbg( p_intf, "requested playlist empty" );
 433                     break;
 434                 }
 435                 case MVLC_SORT:
 436                 {
 437                     char type[12];
 438                     char order[2];
 439                     char item[512];
 440                     int i_order;
 441                     int i_item;
 442
 443                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 444                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 445                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 446                     i_item = atoi( item );
 447
 448                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 449                     else i_order = ORDER_REVERSE;
 450
 451                     if( !strcmp( type , "title" ) )
 452                     {
 453                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 454                                                     /* Ugly hack,but not worse than before ... */
 455                                                     p_sys->p_playlist->p_root_onelevel,
 456                                                     SORT_TITLE_NODES_FIRST,
 457                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 458                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 459                     }
 460                     else if( !strcmp( type , "author" ) )
 461                     {
 462                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 463                                                     p_sys->p_playlist->p_root_onelevel,
 464                                                     SORT_ARTIST,
 465                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 466                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 467                     }
 468                     else if( !strcmp( type , "shuffle" ) )
 469                     {
 470                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 471                                                     p_sys->p_playlist->p_root_onelevel,
 472                                                     SORT_RANDOM,
 473                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 474                         msg_Dbg( p_intf, "requested playlist shuffle");
 475                     }
 476
 477                     break;
 478                 }
 479                 case MVLC_MOVE:
 480                 {
 481                     char psz_pos[6];
 482                     char psz_newpos[6];
 483                     int i_pos;
 484                     int i_newpos;
 485                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 486                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 487                     i_pos = atoi( psz_pos );
 488                     i_newpos = atoi( psz_newpos );
 489                     /* FIXME FIXME TODO TODO XXX XXX
 490                     ( duplicate from rpn.c )
 491                     if ( i_pos < i_newpos )
 492                     {
 493                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 494                     }
 495                     else
 496                     {
 497                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 498                     }
 499                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 500                     FIXME FIXME TODO TODO XXX XXX */
 501                     break;
 502                 }
 503
 504                 /* admin function */
 505                 case MVLC_CLOSE:
 506                 {
 507                     char id[512];
 508                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 509                     msg_Dbg( p_intf, "requested close id=%s", id );
 510 #if 0
 511                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 512                     {
 513                         msg_Warn( p_intf, "close failed for id=%s", id );
 514                     }
 515 #endif
 516                     break;
 517                 }
 518                 case MVLC_SHUTDOWN:
 519                 {
 520                     msg_Dbg( p_intf, "requested shutdown" );
 521                     vlc_object_kill( p_intf->p_libvlc );
 522                     break;
 523                 }
 524                 /* vlm */
 525                 case MVLC_VLM_NEW:
 526                 case MVLC_VLM_SETUP:
 527                 {
 528                     static const char *vlm_properties[11] =
 529                     {
 530                         /* no args */
 531                         "enabled", "disabled", "loop", "unloop",
 532                         /* args required */
 533                         "input", "output", "option", "date", "period", "repeat", "append",
 534                     };
 535                     vlm_message_t *vlm_answer;
 536                     char name[512];
 537                     char *psz = malloc( strlen( p_request ) + 1000 );
 538                     char *p = psz;
 539                     char *vlm_error;
 540                     int i;
 541
 542                     if( p_intf->p_sys->p_vlm == NULL )
 543                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 544
 545                     if( p_intf->p_sys->p_vlm == NULL ) break;
 546
 547                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 548                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 549                     {
 550                         char type[20];
 551                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 552                         p += sprintf( psz, "new %s %s", name, type );
 553                     }
 554                     else
 555                     {
 556                         p += sprintf( psz, "setup %s", name );
 557                     }
 558                     /* Parse the request */
 559                     for( i = 0; i < 11; i++ )
 560                     {
 561                         char val[512];
 562                         E_(ExtractURIValue)( p_request,
 563                                                vlm_properties[i], val, 512 );
 564                         decode_URI( val );
 565                         if( strlen( val ) > 0 && i >= 4 )
 566                         {
 567                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 568                         }
 569                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 570                         {
 571                             p += sprintf( p, " %s", vlm_properties[i] );
 572                         }
 573                     }
 574                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 575                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 576                     {
 577                         vlm_error = strdup( "" );
 578                     }
 579                     else
 580                     {
 581                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 582                                             strlen(vlm_answer->psz_value) +
 583                                             strlen( " : ") + 1 );
 584                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 585                                                          vlm_answer->psz_value );
 586                     }
 587
 588                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 589
 590                     vlm_MessageDelete( vlm_answer );
 591                     free( vlm_error );
 592                     free( psz );
 593                     break;
 594                 }
 595
 596                 case MVLC_VLM_DEL:
 597                 {
 598                     vlm_message_t *vlm_answer;
 599                     char name[512];
 600                     char psz[512+10];
 601                     if( p_intf->p_sys->p_vlm == NULL )
 602                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 603
 604                     if( p_intf->p_sys->p_vlm == NULL ) break;
 605
 606                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 607                     sprintf( psz, "del %s", name );
 608
 609                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 610                     /* FIXME do a vlm_answer -> var stack conversion */
 611                     vlm_MessageDelete( vlm_answer );
 612                     break;
 613                 }
 614
 615                 case MVLC_VLM_PLAY:
 616                 case MVLC_VLM_PAUSE:
 617                 case MVLC_VLM_STOP:
 618                 case MVLC_VLM_SEEK:
 619                 {
 620                     vlm_message_t *vlm_answer;
 621                     char name[512];
 622                     char psz[512+10];
 623                     if( p_intf->p_sys->p_vlm == NULL )
 624                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 625
 626                     if( p_intf->p_sys->p_vlm == NULL ) break;
 627
 628                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 629                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 630                         sprintf( psz, "control %s play", name );
 631                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 632                         sprintf( psz, "control %s pause", name );
 633                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 634                         sprintf( psz, "control %s stop", name );
 635                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 636                     {
 637                         char percent[20];
 638                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 639                         sprintf( psz, "control %s seek %s", name, percent );
 640                     }
 641
 642                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 643                     /* FIXME do a vlm_answer -> var stack conversion */
 644                     vlm_MessageDelete( vlm_answer );
 645                     break;
 646                 }
 647                 case MVLC_VLM_LOAD:
 648                 case MVLC_VLM_SAVE:
 649                 {
 650                     vlm_message_t *vlm_answer;
 651                     char file[512];
 652                     char psz[512];
 653
 654                     if( p_intf->p_sys->p_vlm == NULL )
 655                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 656
 657                     if( p_intf->p_sys->p_vlm == NULL ) break;
 658
 659                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 660                     decode_URI( file );
 661
 662                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 663                         sprintf( psz, "load %s", file );
 664                     else
 665                         sprintf( psz, "save %s", file );
 666
 667                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 668                     /* FIXME do a vlm_answer -> var stack conversion */
 669                     vlm_MessageDelete( vlm_answer );
 670                     break;
 671                 }
 672
 673                 default:
 674                     if( *control )
 675                     {
 676                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 677                     }
 678                     break;
 679             }
 680             break;
 681
 682         case MVLC_SET:
 683         {
 684             char    value[512];
 685             int     i;
 686             float   f;
 687
 688             if( i_request <= 0 ||
 689                 *m->param1  == '\0' ||
 690                 strstr( p_request, m->param1 ) == NULL )
 691             {
 692                 break;
 693             }
 694             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 695             decode_URI( value );
 696
 697             switch( E_(StrToMacroType)( m->param2 ) )
 698             {
 699                 case MVLC_INT:
 700                     i = atoi( value );
 701                     config_PutInt( p_intf, m->param1, i );
 702                     break;
 703                 case MVLC_FLOAT:
 704                     f = atof( value );
 705                     config_PutFloat( p_intf, m->param1, f );
 706                     break;
 707                 case MVLC_STRING:
 708                     config_PutPsz( p_intf, m->param1, value );
 709                     break;
 710                 default:
 711                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 712             }
 713             break;
 714         }
 715         case MVLC_GET:
 716         {
 717             char    value[512];
 718             int     i;
 719             float   f;
 720             char    *psz;
 721             lldiv_t div;
 722
 723             if( *m->param1  == '\0' )
 724             {
 725                 break;
 726             }
 727
 728             switch( E_(StrToMacroType)( m->param2 ) )
 729             {
 730                 case MVLC_INT:
 731                     i = config_GetInt( p_intf, m->param1 );
 732                     sprintf( value, "%d", i );
 733                     break;
 734                 case MVLC_FLOAT:
 735                     f = config_GetFloat( p_intf, m->param1 );
 736                     div = lldiv( f * 1000000 , 1000000 );
 737                     sprintf( value, "%lld.%06u", div.quot,
 738                             (unsigned int)div.rem );
 739                     break;
 740                 case MVLC_STRING:
 741                     psz = config_GetPsz( p_intf, m->param1 );
 742                     if( psz != NULL )
 743                     {
 744                         strlcpy( value, psz,sizeof( value ) );
 745                         free( psz );
 746                     }
 747                     else
 748                         *value = '\0';
 749                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 750                     break;
 751                 default:
 752                     snprintf( value, sizeof( value ),
 753                               "invalid type(%s) in set", m->param2 );
 754                     break;
 755             }
 756             PRINTS( "%s", value );
 757             break;
 758         }
 759         case MVLC_VALUE:
 760         {
 761             char *s, *v;
 762
 763             if( m->param1 )
 764             {
 765                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 766                 s = E_(SSPop)( &p_args->stack );
 767                 v = E_(mvar_GetValue)( p_args->vars, s );
 768             }
 769             else
 770             {
 771                 v = s = E_(SSPop)( &p_args->stack );
 772             }
 773
 774             PRINTS( "%s", v );
 775             free( s );
 776             break;
 777         }
 778         case MVLC_RPN:
 779             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 780             break;
 781
 782         /* Useful to learn stack management */
 783         case MVLC_STACK:
 784         {
 785             int i;
 786             msg_Dbg( p_intf, "stack" );
 787             for (i=0;i<(&p_args->stack)->i_stack;i++)
 788                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 789             break;
 790         }
 791
 792         case MVLC_UNKNOWN:
 793         default:
 794             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 795             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 796             break;
 797     }
 798 #undef PRINTS
 799 #undef PRINT
 800 #undef ALLOC
 801 }
 802
 803 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 804 {
 805     int     i_id;
 806     int     i_level = 0;
 807
 808     while( src < end )
 809     {
 810         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 811         {
 812             int i_skip;
 813             macro_t m;
 814
 815             i_skip = E_(MacroParse)( &m, src );
 816
 817             i_id = E_(StrToMacroType)( m.id );
 818
 819             switch( i_id )
 820             {
 821                 case MVLC_IF:
 822                 case MVLC_FOREACH:
 823                     i_level++;
 824                     break;
 825                 case MVLC_END:
 826                     i_level--;
 827                     break;
 828                 default:
 829                     break;
 830             }
 831
 832             E_(MacroClean)( &m );
 833
 834             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 835                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 836             {
 837                 return src + ( b_after ? i_skip : 0 );
 838             }
 839             else if( i_level < 0 )
 840             {
 841                 return NULL;
 842             }
 843
 844             src += i_skip;
 845         }
 846         else
 847         {
 848             src++;
 849         }
 850     }
 851
 852     return NULL;
 853 }
 854
 855 void E_(Execute)( httpd_file_sys_t *p_args,
 856                      char *p_request, int i_request,
 857                      char **pp_data, int *pi_data,
 858                      char **pp_dst,
 859                      char *_src, char *_end )
 860 {
 861     intf_thread_t  *p_intf = p_args->p_intf;
 862
 863     char *src, *dup, *end;
 864     char *dst = *pp_dst;
 865
 866     src = dup = malloc( _end - _src + 1 );
 867     end = src +( _end - _src );
 868
 869     memcpy( src, _src, _end - _src );
 870     *end = '\0';
 871
 872     /* we parse searching <vlc */
 873     while( src < end )
 874     {
 875         char *p;
 876         int i_copy;
 877
 878         p = (char *)strstr( (char *)src, "<vlc" );
 879         if( p < end && p == src )
 880         {
 881             macro_t m;
 882
 883             src += E_(MacroParse)( &m, src );
 884
 885             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 886
 887             switch( E_(StrToMacroType)( m.id ) )
 888             {
 889                 case MVLC_INCLUDE:
 890                 {
 891                     FILE *f;
 892                     int  i_buffer;
 893                     char *p_buffer;
 894                     char psz_file[MAX_DIR_SIZE];
 895                     char *p;
 896                     char sep;
 897
 898 #if defined( WIN32 )
 899                     sep = '\\';
 900 #else
 901                     sep = '/';
 902 #endif
 903
 904                     if( m.param1[0] != sep )
 905                     {
 906                         strcpy( psz_file, p_args->file );
 907                         p = strrchr( psz_file, sep );
 908                         if( p != NULL )
 909                             strcpy( p + 1, m.param1 );
 910                         else
 911                             strcpy( psz_file, m.param1 );
 912                     }
 913                     else
 914                     {
 915                         strcpy( psz_file, m.param1 );
 916                     }
 917
 918                     /* We hereby assume that psz_file is in the
 919                      * local character encoding */
 920                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 921                     {
 922                         msg_Warn( p_args->p_intf,
 923                                   "unable to include file %s (%s)",
 924                                   psz_file, strerror(errno) );
 925                         break;
 926                     }
 927
 928                     /* first we load in a temporary buffer */
 929                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 930
 931                     /* we parse executing all  <vlc /> macros */
 932                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 933                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 934                     free( p_buffer );
 935                     fclose(f);
 936                     break;
 937                 }
 938                 case MVLC_IF:
 939                 {
 940                     vlc_bool_t i_test;
 941                     char    *endif;
 942
 943                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 944                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 945                     {
 946                         i_test = 1;
 947                     }
 948                     else
 949                     {
 950                         i_test = 0;
 951                     }
 952                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 953
 954                     if( i_test == 0 )
 955                     {
 956                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 957
 958                         if( start )
 959                         {
 960                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 961                             if( stop )
 962                             {
 963                                 E_(Execute)( p_args, p_request, i_request,
 964                                          pp_data, pi_data, &dst, start, stop );
 965                             }
 966                         }
 967                     }
 968                     else if( i_test == 1 )
 969                     {
 970                         char *stop;
 971                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 972                         {
 973                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 974                         }
 975                         if( stop )
 976                         {
 977                             E_(Execute)( p_args, p_request, i_request,
 978                                      pp_data, pi_data, &dst, src, stop );
 979                         }
 980                     }
 981
 982                     src = endif;
 983                     break;
 984                 }
 985                 case MVLC_FOREACH:
 986                 {
 987                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 988                     char *start = src;
 989                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 990
 991                     if( stop )
 992                     {
 993                         mvar_t *index;
 994                         int    i_idx;
 995                         mvar_t *v;
 996                         if( !strcmp( m.param2, "integer" ) )
 997                         {
 998                             char *arg = E_(SSPop)( &p_args->stack );
 999                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
1000                             free( arg );
1001                         }
1002                         else if( !strcmp( m.param2, "directory" ) )
1003                         {
1004                             char *arg = E_(SSPop)( &p_args->stack );
1005                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1006                             free( arg );
1007                         }
1008                         else if( !strcmp( m.param2, "object" ) )
1009                         {
1010                             char *arg = E_(SSPop)( &p_args->stack );
1011                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1012                             free( arg );
1013                         }
1014                         else if( !strcmp( m.param2, "playlist" ) )
1015                         {
1016                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1017                                                     p_intf->p_sys->p_playlist );
1018                         }
1019                         else if( !strcmp( m.param2, "information" ) )
1020                         {
1021                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1022                                                      p_intf->p_sys->p_input );
1023                         }
1024                         else if( !strcmp( m.param2, "program" )
1025                                   || !strcmp( m.param2, "title" )
1026                                   || !strcmp( m.param2, "chapter" )
1027                                   || !strcmp( m.param2, "audio-es" )
1028                                   || !strcmp( m.param2, "video-es" )
1029                                   || !strcmp( m.param2, "spu-es" ) )
1030                         {
1031                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1032                                                          p_intf->p_sys->p_input,
1033                                                          m.param2 );
1034                         }
1035                         else if( !strcmp( m.param2, "vlm" ) )
1036                         {
1037                             if( p_intf->p_sys->p_vlm == NULL )
1038                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1039                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1040                         }
1041 #if 0
1042                         else if( !strcmp( m.param2, "hosts" ) )
1043                         {
1044                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1045                         }
1046                         else if( !strcmp( m.param2, "urls" ) )
1047                         {
1048                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1049                         }
1050                         else if( !strcmp( m.param2, "connections" ) )
1051                         {
1052                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1053                         }
1054 #endif
1055                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1056                         {
1057                             index = E_(mvar_Duplicate)( v );
1058                         }
1059                         else
1060                         {
1061                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1062                             src = endfor;
1063                             break;
1064                         }
1065
1066                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1067                         {
1068                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1069
1070                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1071
1072                             free( f->name );
1073                             f->name = strdup( m.param1 );
1074
1075
1076                             E_(mvar_PushVar)( p_args->vars, f );
1077                             E_(Execute)( p_args, p_request, i_request,
1078                                      pp_data, pi_data, &dst, start, stop );
1079                             E_(mvar_RemoveVar)( p_args->vars, f );
1080
1081                             E_(mvar_Delete)( f );
1082                         }
1083                         E_(mvar_Delete)( index );
1084
1085                         src = endfor;
1086                     }
1087                     break;
1088                 }
1089                 default:
1090                     E_(MacroDo)( p_args, &m, p_request, i_request,
1091                                  pp_data, pi_data, &dst );
1092                     break;
1093             }
1094
1095             E_(MacroClean)( &m );
1096             continue;
1097         }
1098
1099         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1100         if( i_copy > 0 )
1101         {
1102             int i_index = dst - *pp_data;
1103
1104             *pi_data += i_copy;
1105             *pp_data = realloc( *pp_data, *pi_data );
1106             dst = (*pp_data) + i_index;
1107
1108             memcpy( dst, src, i_copy );
1109             dst += i_copy;
1110             src += i_copy;
1111         }
1112     }
1113
1114     *pp_dst = dst;
1115     free( dup );
1116 }