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                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 348                     }
 349
 350                     break;
 351                 }
 352                 case MVLC_DEL:
 353                 {
 354                     int i_item, *p_items = NULL, i_nb_items = 0;
 355                     char item[512], *p_parser = p_request;
 356
 357                     /* Get the list of items to delete */
 358                     while( (p_parser =
 359                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 360                     {
 361                         if( !*item ) continue;
 362
 363                         i_item = atoi( item );
 364                         p_items = realloc( p_items, (i_nb_items + 1) *
 365                                            sizeof(int) );
 366                         p_items[i_nb_items] = i_item;
 367                         i_nb_items++;
 368                     }
 369
 370                     if( i_nb_items )
 371                     {
 372                         int i;
 373                         for( i = 0; i < i_nb_items; i++ )
 374                         {
 375                             playlist_DeleteFromInput( p_sys->p_playlist,
 376                                                       p_items[i], VLC_FALSE );
 377                             msg_Dbg( p_intf, "requested playlist delete: %d",
 378                                      p_items[i] );
 379                             p_items[i] = -1;
 380                         }
 381                     }
 382
 383                     if( p_items ) free( p_items );
 384                     break;
 385                 }
 386                 case MVLC_KEEP:
 387                 {
 388                     int i_item, *p_items = NULL, i_nb_items = 0;
 389                     char item[512], *p_parser = p_request;
 390                     int i,j;
 391
 392                     /* Get the list of items to keep */
 393                     while( (p_parser =
 394                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 395                     {
 396                         if( !*item ) continue;
 397
 398                         i_item = atoi( item );
 399                         p_items = realloc( p_items, (i_nb_items + 1) *
 400                                            sizeof(int) );
 401                         p_items[i_nb_items] = i_item;
 402                         i_nb_items++;
 403                     }
 404
 405                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 406                     {
 407                         /* Check if the item is in the keep list */
 408                         for( j = 0 ; j < i_nb_items ; j++ )
 409                         {
 410                             if( p_items[j] ==
 411                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 412                                                 ->p_input->i_id)
 413                                 break;
 414                         }
 415                         if( j == i_nb_items )
 416                         {
 417                             playlist_DeleteFromInput( p_sys->p_playlist,
 418                                      p_sys->p_playlist->items.p_elems[i]->p_input->i_id,
 419                                                       VLC_FALSE );
 420                             msg_Dbg( p_intf, "requested playlist delete: %d",
 421                                      i );
 422                         }
 423                     }
 424
 425                     if( p_items ) free( p_items );
 426                     break;
 427                 }
 428                 case MVLC_EMPTY:
 429                 {
 430                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 431                     msg_Dbg( p_intf, "requested playlist empty" );
 432                     break;
 433                 }
 434                 case MVLC_SORT:
 435                 {
 436                     char type[12];
 437                     char order[2];
 438                     char item[512];
 439                     int i_order;
 440                     int i_item;
 441
 442                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 443                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 444                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 445                     i_item = atoi( item );
 446
 447                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 448                     else i_order = ORDER_REVERSE;
 449
 450                     if( !strcmp( type , "title" ) )
 451                     {
 452                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 453                                                     /* Ugly hack,but not worse than before ... */
 454                                                     p_sys->p_playlist->p_root_onelevel,
 455                                                     SORT_TITLE_NODES_FIRST,
 456                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 457                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 458                     }
 459                     else if( !strcmp( type , "author" ) )
 460                     {
 461                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 462                                                     p_sys->p_playlist->p_root_onelevel,
 463                                                     SORT_ARTIST,
 464                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 465                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 466                     }
 467                     else if( !strcmp( type , "shuffle" ) )
 468                     {
 469                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 470                                                     p_sys->p_playlist->p_root_onelevel,
 471                                                     SORT_RANDOM,
 472                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 473                         msg_Dbg( p_intf, "requested playlist shuffle");
 474                     }
 475
 476                     break;
 477                 }
 478                 case MVLC_MOVE:
 479                 {
 480                     char psz_pos[6];
 481                     char psz_newpos[6];
 482                     int i_pos;
 483                     int i_newpos;
 484                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 485                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 486                     i_pos = atoi( psz_pos );
 487                     i_newpos = atoi( psz_newpos );
 488                     /* FIXME FIXME TODO TODO XXX XXX
 489                     ( duplicate from rpn.c )
 490                     if ( i_pos < i_newpos )
 491                     {
 492                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 493                     }
 494                     else
 495                     {
 496                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 497                     }
 498                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 499                     FIXME FIXME TODO TODO XXX XXX */
 500                     break;
 501                 }
 502
 503                 /* admin function */
 504                 case MVLC_CLOSE:
 505                 {
 506                     char id[512];
 507                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 508                     msg_Dbg( p_intf, "requested close id=%s", id );
 509 #if 0
 510                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 511                     {
 512                         msg_Warn( p_intf, "close failed for id=%s", id );
 513                     }
 514 #endif
 515                     break;
 516                 }
 517                 case MVLC_SHUTDOWN:
 518                 {
 519                     msg_Dbg( p_intf, "requested shutdown" );
 520                     p_intf->p_libvlc->b_die = VLC_TRUE;
 521                     break;
 522                 }
 523                 /* vlm */
 524                 case MVLC_VLM_NEW:
 525                 case MVLC_VLM_SETUP:
 526                 {
 527                     static const char *vlm_properties[11] =
 528                     {
 529                         /* no args */
 530                         "enabled", "disabled", "loop", "unloop",
 531                         /* args required */
 532                         "input", "output", "option", "date", "period", "repeat", "append",
 533                     };
 534                     vlm_message_t *vlm_answer;
 535                     char name[512];
 536                     char *psz = malloc( strlen( p_request ) + 1000 );
 537                     char *p = psz;
 538                     char *vlm_error;
 539                     int i;
 540
 541                     if( p_intf->p_sys->p_vlm == NULL )
 542                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 543
 544                     if( p_intf->p_sys->p_vlm == NULL ) break;
 545
 546                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 547                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 548                     {
 549                         char type[20];
 550                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 551                         p += sprintf( psz, "new %s %s", name, type );
 552                     }
 553                     else
 554                     {
 555                         p += sprintf( psz, "setup %s", name );
 556                     }
 557                     /* Parse the request */
 558                     for( i = 0; i < 11; i++ )
 559                     {
 560                         char val[512];
 561                         E_(ExtractURIValue)( p_request,
 562                                                vlm_properties[i], val, 512 );
 563                         decode_URI( val );
 564                         if( strlen( val ) > 0 && i >= 4 )
 565                         {
 566                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 567                         }
 568                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 569                         {
 570                             p += sprintf( p, " %s", vlm_properties[i] );
 571                         }
 572                     }
 573                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 574                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 575                     {
 576                         vlm_error = strdup( "" );
 577                     }
 578                     else
 579                     {
 580                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 581                                             strlen(vlm_answer->psz_value) +
 582                                             strlen( " : ") + 1 );
 583                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 584                                                          vlm_answer->psz_value );
 585                     }
 586
 587                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 588
 589                     vlm_MessageDelete( vlm_answer );
 590                     free( vlm_error );
 591                     free( psz );
 592                     break;
 593                 }
 594
 595                 case MVLC_VLM_DEL:
 596                 {
 597                     vlm_message_t *vlm_answer;
 598                     char name[512];
 599                     char psz[512+10];
 600                     if( p_intf->p_sys->p_vlm == NULL )
 601                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 602
 603                     if( p_intf->p_sys->p_vlm == NULL ) break;
 604
 605                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 606                     sprintf( psz, "del %s", name );
 607
 608                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 609                     /* FIXME do a vlm_answer -> var stack conversion */
 610                     vlm_MessageDelete( vlm_answer );
 611                     break;
 612                 }
 613
 614                 case MVLC_VLM_PLAY:
 615                 case MVLC_VLM_PAUSE:
 616                 case MVLC_VLM_STOP:
 617                 case MVLC_VLM_SEEK:
 618                 {
 619                     vlm_message_t *vlm_answer;
 620                     char name[512];
 621                     char psz[512+10];
 622                     if( p_intf->p_sys->p_vlm == NULL )
 623                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 624
 625                     if( p_intf->p_sys->p_vlm == NULL ) break;
 626
 627                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 628                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 629                         sprintf( psz, "control %s play", name );
 630                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 631                         sprintf( psz, "control %s pause", name );
 632                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 633                         sprintf( psz, "control %s stop", name );
 634                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 635                     {
 636                         char percent[20];
 637                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 638                         sprintf( psz, "control %s seek %s", name, percent );
 639                     }
 640
 641                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 642                     /* FIXME do a vlm_answer -> var stack conversion */
 643                     vlm_MessageDelete( vlm_answer );
 644                     break;
 645                 }
 646                 case MVLC_VLM_LOAD:
 647                 case MVLC_VLM_SAVE:
 648                 {
 649                     vlm_message_t *vlm_answer;
 650                     char file[512];
 651                     char psz[512];
 652
 653                     if( p_intf->p_sys->p_vlm == NULL )
 654                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 655
 656                     if( p_intf->p_sys->p_vlm == NULL ) break;
 657
 658                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 659                     decode_URI( file );
 660
 661                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 662                         sprintf( psz, "load %s", file );
 663                     else
 664                         sprintf( psz, "save %s", file );
 665
 666                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 667                     /* FIXME do a vlm_answer -> var stack conversion */
 668                     vlm_MessageDelete( vlm_answer );
 669                     break;
 670                 }
 671
 672                 default:
 673                     if( *control )
 674                     {
 675                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 676                     }
 677                     break;
 678             }
 679             break;
 680
 681         case MVLC_SET:
 682         {
 683             char    value[512];
 684             int     i;
 685             float   f;
 686
 687             if( i_request <= 0 ||
 688                 *m->param1  == '\0' ||
 689                 strstr( p_request, m->param1 ) == NULL )
 690             {
 691                 break;
 692             }
 693             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 694             decode_URI( value );
 695
 696             switch( E_(StrToMacroType)( m->param2 ) )
 697             {
 698                 case MVLC_INT:
 699                     i = atoi( value );
 700                     config_PutInt( p_intf, m->param1, i );
 701                     break;
 702                 case MVLC_FLOAT:
 703                     f = atof( value );
 704                     config_PutFloat( p_intf, m->param1, f );
 705                     break;
 706                 case MVLC_STRING:
 707                     config_PutPsz( p_intf, m->param1, value );
 708                     break;
 709                 default:
 710                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 711             }
 712             break;
 713         }
 714         case MVLC_GET:
 715         {
 716             char    value[512];
 717             int     i;
 718             float   f;
 719             char    *psz;
 720             lldiv_t div;
 721
 722             if( *m->param1  == '\0' )
 723             {
 724                 break;
 725             }
 726
 727             switch( E_(StrToMacroType)( m->param2 ) )
 728             {
 729                 case MVLC_INT:
 730                     i = config_GetInt( p_intf, m->param1 );
 731                     sprintf( value, "%d", i );
 732                     break;
 733                 case MVLC_FLOAT:
 734                     f = config_GetFloat( p_intf, m->param1 );
 735                     div = lldiv( f * 1000000 , 1000000 );
 736                     sprintf( value, "%lld.%06u", div.quot,
 737                             (unsigned int)div.rem );
 738                     break;
 739                 case MVLC_STRING:
 740                     psz = config_GetPsz( p_intf, m->param1 );
 741                     if( psz != NULL )
 742                     {
 743                         strlcpy( value, psz,sizeof( value ) );
 744                         free( psz );
 745                     }
 746                     else
 747                         *value = '\0';
 748                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 749                     break;
 750                 default:
 751                     snprintf( value, sizeof( value ),
 752                               "invalid type(%s) in set", m->param2 );
 753                     break;
 754             }
 755             PRINTS( "%s", value );
 756             break;
 757         }
 758         case MVLC_VALUE:
 759         {
 760             char *s, *v;
 761
 762             if( m->param1 )
 763             {
 764                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 765                 s = E_(SSPop)( &p_args->stack );
 766                 v = E_(mvar_GetValue)( p_args->vars, s );
 767             }
 768             else
 769             {
 770                 v = s = E_(SSPop)( &p_args->stack );
 771             }
 772
 773             PRINTS( "%s", v );
 774             free( s );
 775             break;
 776         }
 777         case MVLC_RPN:
 778             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 779             break;
 780
 781         /* Useful to learn stack management */
 782         case MVLC_STACK:
 783         {
 784             int i;
 785             msg_Dbg( p_intf, "stack" );
 786             for (i=0;i<(&p_args->stack)->i_stack;i++)
 787                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 788             break;
 789         }
 790
 791         case MVLC_UNKNOWN:
 792         default:
 793             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 794             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 795             break;
 796     }
 797 #undef PRINTS
 798 #undef PRINT
 799 #undef ALLOC
 800 }
 801
 802 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 803 {
 804     int     i_id;
 805     int     i_level = 0;
 806
 807     while( src < end )
 808     {
 809         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 810         {
 811             int i_skip;
 812             macro_t m;
 813
 814             i_skip = E_(MacroParse)( &m, src );
 815
 816             i_id = E_(StrToMacroType)( m.id );
 817
 818             switch( i_id )
 819             {
 820                 case MVLC_IF:
 821                 case MVLC_FOREACH:
 822                     i_level++;
 823                     break;
 824                 case MVLC_END:
 825                     i_level--;
 826                     break;
 827                 default:
 828                     break;
 829             }
 830
 831             E_(MacroClean)( &m );
 832
 833             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 834                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 835             {
 836                 return src + ( b_after ? i_skip : 0 );
 837             }
 838             else if( i_level < 0 )
 839             {
 840                 return NULL;
 841             }
 842
 843             src += i_skip;
 844         }
 845         else
 846         {
 847             src++;
 848         }
 849     }
 850
 851     return NULL;
 852 }
 853
 854 void E_(Execute)( httpd_file_sys_t *p_args,
 855                      char *p_request, int i_request,
 856                      char **pp_data, int *pi_data,
 857                      char **pp_dst,
 858                      char *_src, char *_end )
 859 {
 860     intf_thread_t  *p_intf = p_args->p_intf;
 861
 862     char *src, *dup, *end;
 863     char *dst = *pp_dst;
 864
 865     src = dup = malloc( _end - _src + 1 );
 866     end = src +( _end - _src );
 867
 868     memcpy( src, _src, _end - _src );
 869     *end = '\0';
 870
 871     /* we parse searching <vlc */
 872     while( src < end )
 873     {
 874         char *p;
 875         int i_copy;
 876
 877         p = (char *)strstr( (char *)src, "<vlc" );
 878         if( p < end && p == src )
 879         {
 880             macro_t m;
 881
 882             src += E_(MacroParse)( &m, src );
 883
 884             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 885
 886             switch( E_(StrToMacroType)( m.id ) )
 887             {
 888                 case MVLC_INCLUDE:
 889                 {
 890                     FILE *f;
 891                     int  i_buffer;
 892                     char *p_buffer;
 893                     char psz_file[MAX_DIR_SIZE];
 894                     char *p;
 895                     char sep;
 896
 897 #if defined( WIN32 )
 898                     sep = '\\';
 899 #else
 900                     sep = '/';
 901 #endif
 902
 903                     if( m.param1[0] != sep )
 904                     {
 905                         strcpy( psz_file, p_args->file );
 906                         p = strrchr( psz_file, sep );
 907                         if( p != NULL )
 908                             strcpy( p + 1, m.param1 );
 909                         else
 910                             strcpy( psz_file, m.param1 );
 911                     }
 912                     else
 913                     {
 914                         strcpy( psz_file, m.param1 );
 915                     }
 916
 917                     /* We hereby assume that psz_file is in the
 918                      * local character encoding */
 919                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 920                     {
 921                         msg_Warn( p_args->p_intf,
 922                                   "unable to include file %s (%s)",
 923                                   psz_file, strerror(errno) );
 924                         break;
 925                     }
 926
 927                     /* first we load in a temporary buffer */
 928                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 929
 930                     /* we parse executing all  <vlc /> macros */
 931                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 932                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 933                     free( p_buffer );
 934                     fclose(f);
 935                     break;
 936                 }
 937                 case MVLC_IF:
 938                 {
 939                     vlc_bool_t i_test;
 940                     char    *endif;
 941
 942                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 943                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 944                     {
 945                         i_test = 1;
 946                     }
 947                     else
 948                     {
 949                         i_test = 0;
 950                     }
 951                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 952
 953                     if( i_test == 0 )
 954                     {
 955                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 956
 957                         if( start )
 958                         {
 959                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 960                             if( stop )
 961                             {
 962                                 E_(Execute)( p_args, p_request, i_request,
 963                                          pp_data, pi_data, &dst, start, stop );
 964                             }
 965                         }
 966                     }
 967                     else if( i_test == 1 )
 968                     {
 969                         char *stop;
 970                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 971                         {
 972                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 973                         }
 974                         if( stop )
 975                         {
 976                             E_(Execute)( p_args, p_request, i_request,
 977                                      pp_data, pi_data, &dst, src, stop );
 978                         }
 979                     }
 980
 981                     src = endif;
 982                     break;
 983                 }
 984                 case MVLC_FOREACH:
 985                 {
 986                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 987                     char *start = src;
 988                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 989
 990                     if( stop )
 991                     {
 992                         mvar_t *index;
 993                         int    i_idx;
 994                         mvar_t *v;
 995                         if( !strcmp( m.param2, "integer" ) )
 996                         {
 997                             char *arg = E_(SSPop)( &p_args->stack );
 998                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
 999                             free( arg );
1000                         }
1001                         else if( !strcmp( m.param2, "directory" ) )
1002                         {
1003                             char *arg = E_(SSPop)( &p_args->stack );
1004                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1005                             free( arg );
1006                         }
1007                         else if( !strcmp( m.param2, "object" ) )
1008                         {
1009                             char *arg = E_(SSPop)( &p_args->stack );
1010                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1011                             free( arg );
1012                         }
1013                         else if( !strcmp( m.param2, "playlist" ) )
1014                         {
1015                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1016                                                     p_intf->p_sys->p_playlist );
1017                         }
1018                         else if( !strcmp( m.param2, "information" ) )
1019                         {
1020                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1021                                                      p_intf->p_sys->p_input );
1022                         }
1023                         else if( !strcmp( m.param2, "program" )
1024                                   || !strcmp( m.param2, "title" )
1025                                   || !strcmp( m.param2, "chapter" )
1026                                   || !strcmp( m.param2, "audio-es" )
1027                                   || !strcmp( m.param2, "video-es" )
1028                                   || !strcmp( m.param2, "spu-es" ) )
1029                         {
1030                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1031                                                          p_intf->p_sys->p_input,
1032                                                          m.param2 );
1033                         }
1034                         else if( !strcmp( m.param2, "vlm" ) )
1035                         {
1036                             if( p_intf->p_sys->p_vlm == NULL )
1037                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1038                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1039                         }
1040 #if 0
1041                         else if( !strcmp( m.param2, "hosts" ) )
1042                         {
1043                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1044                         }
1045                         else if( !strcmp( m.param2, "urls" ) )
1046                         {
1047                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1048                         }
1049                         else if( !strcmp( m.param2, "connections" ) )
1050                         {
1051                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1052                         }
1053 #endif
1054                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1055                         {
1056                             index = E_(mvar_Duplicate)( v );
1057                         }
1058                         else
1059                         {
1060                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1061                             src = endfor;
1062                             break;
1063                         }
1064
1065                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1066                         {
1067                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1068
1069                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1070
1071                             free( f->name );
1072                             f->name = strdup( m.param1 );
1073
1074
1075                             E_(mvar_PushVar)( p_args->vars, f );
1076                             E_(Execute)( p_args, p_request, i_request,
1077                                      pp_data, pi_data, &dst, start, stop );
1078                             E_(mvar_RemoveVar)( p_args->vars, f );
1079
1080                             E_(mvar_Delete)( f );
1081                         }
1082                         E_(mvar_Delete)( index );
1083
1084                         src = endfor;
1085                     }
1086                     break;
1087                 }
1088                 default:
1089                     E_(MacroDo)( p_args, &m, p_request, i_request,
1090                                  pp_data, pi_data, &dst );
1091                     break;
1092             }
1093
1094             E_(MacroClean)( &m );
1095             continue;
1096         }
1097
1098         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1099         if( i_copy > 0 )
1100         {
1101             int i_index = dst - *pp_data;
1102
1103             *pi_data += i_copy;
1104             *pp_data = realloc( *pp_data, *pi_data );
1105             dst = (*pp_data) + i_index;
1106
1107             memcpy( dst, src, i_copy );
1108             dst += i_copy;
1109             src += i_copy;
1110         }
1111     }
1112
1113     *pp_dst = dst;
1114     free( dup );
1115 }