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 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include "http.h"
  30 #include "macros.h"
  31 #include "vlc_url.h"
  32
  33 static int MacroParse( macro_t *m, char *psz_src )
  34 {
  35     char *dup = strdup( (char *)psz_src );
  36     char *src = dup;
  37     char *p;
  38     int     i_skip;
  39
  40 #define EXTRACT( name, l ) \
  41         src += l;    \
  42         p = strchr( src, '"' );             \
  43         if( p )                             \
  44         {                                   \
  45             *p++ = '\0';                    \
  46         }                                   \
  47         m->name = strdup( src );            \
  48         if( !p )                            \
  49         {                                   \
  50             break;                          \
  51         }                                   \
  52         src = p;
  53
  54     /* init m */
  55     m->id = NULL;
  56     m->param1 = NULL;
  57     m->param2 = NULL;
  58
  59     /* parse */
  60     src += 4;
  61
  62     while( *src )
  63     {
  64         while( *src == ' ')
  65         {
  66             src++;
  67         }
  68         if( !strncmp( src, "id=\"", 4 ) )
  69         {
  70             EXTRACT( id, 4 );
  71         }
  72         else if( !strncmp( src, "param1=\"", 8 ) )
  73         {
  74             EXTRACT( param1, 8 );
  75         }
  76         else if( !strncmp( src, "param2=\"", 8 ) )
  77         {
  78             EXTRACT( param2, 8 );
  79         }
  80         else
  81         {
  82             break;
  83         }
  84     }
  85     if( strstr( src, "/>" ) )
  86     {
  87         src = strstr( src, "/>" ) + 2;
  88     }
  89     else
  90     {
  91         src += strlen( src );
  92     }
  93
  94     if( m->id == NULL )
  95     {
  96         m->id = strdup( "" );
  97     }
  98     if( m->param1 == NULL )
  99     {
 100         m->param1 = strdup( "" );
 101     }
 102     if( m->param2 == NULL )
 103     {
 104         m->param2 = strdup( "" );
 105     }
 106     i_skip = src - dup;
 107
 108     free( dup );
 109     return i_skip;
 110 #undef EXTRACT
 111 }
 112
 113 static void MacroClean( macro_t *m )
 114 {
 115     free( m->id );
 116     free( m->param1 );
 117     free( m->param2 );
 118 }
 119
 120 static int StrToMacroType( const char *name )
 121 {
 122     int i;
 123
 124     if( !name || *name == '\0')
 125     {
 126         return MVLC_UNKNOWN;
 127     }
 128     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 129     {
 130         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 131         {
 132             return StrToMacroTypeTab[i].i_type;
 133         }
 134     }
 135     return MVLC_UNKNOWN;
 136 }
 137
 138 static void MacroDo( httpd_file_sys_t *p_args,
 139                      macro_t *m,
 140                      char *p_request, int i_request,
 141                      char **pp_data,  int *pi_data,
 142                      char **pp_dst )
 143 {
 144     intf_thread_t  *p_intf = p_args->p_intf;
 145     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 146     char control[512];
 147
 148 #define ALLOC( l ) \
 149     {               \
 150         int __i__ = *pp_dst - *pp_data; \
 151         *pi_data += (l);                  \
 152         *pp_data = realloc( *pp_data, *pi_data );   \
 153         *pp_dst = (*pp_data) + __i__;   \
 154     }
 155 #define PRINT( str ) \
 156     ALLOC( strlen( str ) + 1 ); \
 157     *pp_dst += sprintf( *pp_dst, "%s", str );
 158
 159 #define PRINTS( str, s ) \
 160     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 161     { \
 162         char * psz_cur = *pp_dst; \
 163         *pp_dst += sprintf( *pp_dst, str, s ); \
 164         while( psz_cur && *psz_cur ) \
 165         {  \
 166             /* Prevent script injection */ \
 167             if( *psz_cur == '<' ) *psz_cur = '*'; \
 168             if( *psz_cur == '>' ) *psz_cur = '*'; \
 169             psz_cur++ ; \
 170         } \
 171     }
 172
 173     switch( StrToMacroType( m->id ) )
 174     {
 175         case MVLC_CONTROL:
 176             if( i_request <= 0 )
 177             {
 178                 break;
 179             }
 180             E_(ExtractURIValue)( p_request, "control", control, 512 );
 181             if( *m->param1 && !strstr( m->param1, control ) )
 182             {
 183                 msg_Warn( p_intf, "unauthorized control=%s", control );
 184                 break;
 185             }
 186             switch( StrToMacroType( control ) )
 187             {
 188                 case MVLC_PLAY:
 189                 {
 190                     int i_item;
 191                     char item[512];
 192
 193                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 194                     i_item = atoi( item );
 195                     /* id = 0 : simply ask playlist to play */
 196                     if( i_item == 0 )
 197                     {
 198                         playlist_Play( p_sys->p_playlist );
 199                         msg_Dbg( p_intf, "requested playlist play" );
 200                         break;
 201                     }
 202                     playlist_Control( p_sys->p_playlist, PLAYLIST_VIEWPLAY,
 203                                       VLC_TRUE, NULL,
 204                                       playlist_ItemGetById( p_sys->p_playlist,
 205                                       i_item, VLC_TRUE ) );
 206                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 207                     break;
 208                 }
 209                 case MVLC_STOP:
 210                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP,
 211                                       VLC_TRUE );
 212                     msg_Dbg( p_intf, "requested playlist stop" );
 213                     break;
 214                 case MVLC_PAUSE:
 215                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE,
 216                                       VLC_TRUE );
 217                     msg_Dbg( p_intf, "requested playlist pause" );
 218                     break;
 219                 case MVLC_NEXT:
 220                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 221                                       VLC_TRUE, 1 );
 222                     msg_Dbg( p_intf, "requested playlist next" );
 223                     break;
 224                 case MVLC_PREVIOUS:
 225                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 226                                       VLC_TRUE, -1 );
 227                     msg_Dbg( p_intf, "requested playlist previous" );
 228                     break;
 229                 case MVLC_FULLSCREEN:
 230                     if( p_sys->p_input )
 231                     {
 232                         vout_thread_t *p_vout;
 233                         p_vout = vlc_object_find( p_sys->p_input,
 234                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 235
 236                         if( p_vout )
 237                         {
 238                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 239                             vlc_object_release( p_vout );
 240                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 241                         }
 242                     }
 243                     break;
 244                 case MVLC_SEEK:
 245                 {
 246                     char value[30];
 247                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 248                     decode_URI( value );
 249                     E_(HandleSeek)( p_intf, value );
 250                     break;
 251                 }
 252                 case MVLC_VOLUME:
 253                 {
 254                     char vol[8];
 255                     audio_volume_t i_volume;
 256                     int i_value;
 257
 258                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 259                     aout_VolumeGet( p_intf, &i_volume );
 260                     decode_URI( vol );
 261
 262                     if( vol[0] == '+' )
 263                     {
 264                         i_value = atoi( vol + 1 );
 265                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 266                         {
 267                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 268                             msg_Dbg( p_intf, "requested volume set: max" );
 269                         }
 270                         else
 271                         {
 272                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 273                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 274                         }
 275                     }
 276                     else if( vol[0] == '-' )
 277                     {
 278                         i_value = atoi( vol + 1 );
 279                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 280                         {
 281                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 282                             msg_Dbg( p_intf, "requested volume set: min" );
 283                         }
 284                         else
 285                         {
 286                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 287                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 288                         }
 289                     }
 290                     else if( strstr(vol, "%") != NULL )
 291                     {
 292                         i_value = atoi( vol );
 293                         if( (i_value <= 400) && (i_value>=0) ){
 294                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 295                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 296                         }
 297                     }
 298                     else
 299                     {
 300                         i_value = atoi( vol );
 301                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 302                         {
 303                             aout_VolumeSet( p_intf , atoi( vol ) );
 304                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 305                         }
 306                     }
 307                     break;
 308                 }
 309
 310                 /* playlist management */
 311                 case MVLC_ADD:
 312                 {
 313                     char mrl[1024], psz_name[1024], tmp[1024];
 314                     char *p, *str;
 315                     input_item_t *p_input;
 316
 317                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 318                     decode_URI( tmp );
 319                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 320                     decode_URI( psz_name );
 321                     if( !*psz_name )
 322                     {
 323                         memcpy( psz_name, tmp, 1024 );
 324                     }
 325                     /* addslashes for backward compatibility with the old
 326                      * http intf */
 327                     p = mrl; str = tmp;
 328                     while( *str != '\0' )
 329                     {
 330                         if( *str == '"' || *str == '\'' || *str == '\\' )
 331                         {
 332                             *p++ = '\\';
 333                         }
 334                         *p++ = *str;
 335                         str++;
 336                     }
 337                     *p = '\0';
 338
 339                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 340
 341                     char *psz_uri = input_item_GetURI( p_input );
 342                     if( !p_input || !psz_uri || !*psz_uri )
 343                     {
 344                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 345                     }
 346                     else
 347                     {
 348                         playlist_AddInput( p_sys->p_playlist, p_input,
 349                                      PLAYLIST_APPEND, PLAYLIST_END, VLC_TRUE,
 350                                      VLC_FALSE);
 351                         vlc_gc_decref( p_input );
 352                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 353                     }
 354                     free( psz_uri );
 355
 356                     break;
 357                 }
 358                 case MVLC_DEL:
 359                 {
 360                     int i_item, *p_items = NULL, i_nb_items = 0;
 361                     char item[512], *p_parser = p_request;
 362
 363                     /* Get the list of items to delete */
 364                     while( (p_parser =
 365                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 366                     {
 367                         if( !*item ) continue;
 368
 369                         i_item = atoi( item );
 370                         p_items = realloc( p_items, (i_nb_items + 1) *
 371                                            sizeof(int) );
 372                         p_items[i_nb_items] = i_item;
 373                         i_nb_items++;
 374                     }
 375
 376                     if( i_nb_items )
 377                     {
 378                         int i;
 379                         for( i = 0; i < i_nb_items; i++ )
 380                         {
 381                             playlist_DeleteFromInput( p_sys->p_playlist,
 382                                                       p_items[i], VLC_FALSE );
 383                             msg_Dbg( p_intf, "requested playlist delete: %d",
 384                                      p_items[i] );
 385                             p_items[i] = -1;
 386                         }
 387                     }
 388
 389                     if( p_items ) free( p_items );
 390                     break;
 391                 }
 392                 case MVLC_KEEP:
 393                 {
 394                     int i_item, *p_items = NULL, i_nb_items = 0;
 395                     char item[512], *p_parser = p_request;
 396                     int i,j;
 397
 398                     /* Get the list of items to keep */
 399                     while( (p_parser =
 400                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 401                     {
 402                         if( !*item ) continue;
 403
 404                         i_item = atoi( item );
 405                         p_items = realloc( p_items, (i_nb_items + 1) *
 406                                            sizeof(int) );
 407                         p_items[i_nb_items] = i_item;
 408                         i_nb_items++;
 409                     }
 410
 411                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 412                     {
 413                         /* Check if the item is in the keep list */
 414                         for( j = 0 ; j < i_nb_items ; j++ )
 415                         {
 416                             if( p_items[j] ==
 417                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 418                                                 ->i_id)
 419                                 break;
 420                         }
 421                         if( j == i_nb_items )
 422                         {
 423                             playlist_DeleteFromInput( p_sys->p_playlist,
 424                                      p_sys->p_playlist->items.p_elems[i]->i_id,
 425                                                       VLC_FALSE );
 426                             msg_Dbg( p_intf, "requested playlist delete: %d",
 427                                      i );
 428                         }
 429                     }
 430
 431                     if( p_items ) free( p_items );
 432                     break;
 433                 }
 434                 case MVLC_EMPTY:
 435                 {
 436                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 437                     msg_Dbg( p_intf, "requested playlist empty" );
 438                     break;
 439                 }
 440                 case MVLC_SORT:
 441                 {
 442                     char type[12];
 443                     char order[2];
 444                     char item[512];
 445                     int i_order;
 446                     int i_item;
 447
 448                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 449                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 450                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 451                     i_item = atoi( item );
 452
 453                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 454                     else i_order = ORDER_REVERSE;
 455
 456                     if( !strcmp( type , "title" ) )
 457                     {
 458                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 459                                                     /* Ugly hack,but not worse than before ... */
 460                                                     p_sys->p_playlist->p_root_onelevel,
 461                                                     SORT_TITLE_NODES_FIRST,
 462                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 463                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 464                     }
 465                     else if( !strcmp( type , "author" ) )
 466                     {
 467                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 468                                                     p_sys->p_playlist->p_root_onelevel,
 469                                                     SORT_ARTIST,
 470                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 471                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 472                     }
 473                     else if( !strcmp( type , "shuffle" ) )
 474                     {
 475                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 476                                                     p_sys->p_playlist->p_root_onelevel,
 477                                                     SORT_RANDOM,
 478                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 479                         msg_Dbg( p_intf, "requested playlist shuffle");
 480                     }
 481
 482                     break;
 483                 }
 484                 case MVLC_MOVE:
 485                 {
 486                     char psz_pos[6];
 487                     char psz_newpos[6];
 488                     int i_pos;
 489                     int i_newpos;
 490                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 491                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 492                     i_pos = atoi( psz_pos );
 493                     i_newpos = atoi( psz_newpos );
 494                     /* FIXME FIXME TODO TODO XXX XXX
 495                     ( duplicate from rpn.c )
 496                     if ( i_pos < i_newpos )
 497                     {
 498                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 499                     }
 500                     else
 501                     {
 502                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 503                     }
 504                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 505                     FIXME FIXME TODO TODO XXX XXX */
 506                     break;
 507                 }
 508
 509                 /* admin function */
 510                 case MVLC_CLOSE:
 511                 {
 512                     char id[512];
 513                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 514                     msg_Dbg( p_intf, "requested close id=%s", id );
 515 #if 0
 516                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 517                     {
 518                         msg_Warn( p_intf, "close failed for id=%s", id );
 519                     }
 520 #endif
 521                     break;
 522                 }
 523                 case MVLC_SHUTDOWN:
 524                 {
 525                     msg_Dbg( p_intf, "requested shutdown" );
 526                     vlc_object_kill( p_intf->p_libvlc );
 527                     break;
 528                 }
 529                 /* vlm */
 530                 case MVLC_VLM_NEW:
 531                 case MVLC_VLM_SETUP:
 532                 {
 533                     static const char *vlm_properties[11] =
 534                     {
 535                         /* no args */
 536                         "enabled", "disabled", "loop", "unloop",
 537                         /* args required */
 538                         "input", "output", "option", "date", "period", "repeat", "append",
 539                     };
 540                     vlm_message_t *vlm_answer;
 541                     char name[512];
 542                     char *psz = malloc( strlen( p_request ) + 1000 );
 543                     char *p = psz;
 544                     char *vlm_error;
 545                     int i;
 546
 547                     if( p_intf->p_sys->p_vlm == NULL )
 548                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 549
 550                     if( p_intf->p_sys->p_vlm == NULL ) break;
 551
 552                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 553                     if( StrToMacroType( control ) == MVLC_VLM_NEW )
 554                     {
 555                         char type[20];
 556                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 557                         p += sprintf( psz, "new %s %s", name, type );
 558                     }
 559                     else
 560                     {
 561                         p += sprintf( psz, "setup %s", name );
 562                     }
 563                     /* Parse the request */
 564                     for( i = 0; i < 11; i++ )
 565                     {
 566                         char val[512];
 567                         E_(ExtractURIValue)( p_request,
 568                                                vlm_properties[i], val, 512 );
 569                         decode_URI( val );
 570                         if( strlen( val ) > 0 && i >= 4 )
 571                         {
 572                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 573                         }
 574                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 575                         {
 576                             p += sprintf( p, " %s", vlm_properties[i] );
 577                         }
 578                     }
 579                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 580                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 581                     {
 582                         vlm_error = strdup( "" );
 583                     }
 584                     else
 585                     {
 586                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 587                                             strlen(vlm_answer->psz_value) +
 588                                             strlen( " : ") + 1 );
 589                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 590                                                          vlm_answer->psz_value );
 591                     }
 592
 593                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 594
 595                     vlm_MessageDelete( vlm_answer );
 596                     free( vlm_error );
 597                     free( psz );
 598                     break;
 599                 }
 600
 601                 case MVLC_VLM_DEL:
 602                 {
 603                     vlm_message_t *vlm_answer;
 604                     char name[512];
 605                     char psz[512+10];
 606                     if( p_intf->p_sys->p_vlm == NULL )
 607                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 608
 609                     if( p_intf->p_sys->p_vlm == NULL ) break;
 610
 611                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 612                     sprintf( psz, "del %s", name );
 613
 614                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 615                     /* FIXME do a vlm_answer -> var stack conversion */
 616                     vlm_MessageDelete( vlm_answer );
 617                     break;
 618                 }
 619
 620                 case MVLC_VLM_PLAY:
 621                 case MVLC_VLM_PAUSE:
 622                 case MVLC_VLM_STOP:
 623                 case MVLC_VLM_SEEK:
 624                 {
 625                     vlm_message_t *vlm_answer;
 626                     char name[512];
 627                     char psz[512+10];
 628                     if( p_intf->p_sys->p_vlm == NULL )
 629                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 630
 631                     if( p_intf->p_sys->p_vlm == NULL ) break;
 632
 633                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 634                     if( StrToMacroType( control ) == MVLC_VLM_PLAY )
 635                         sprintf( psz, "control %s play", name );
 636                     else if( StrToMacroType( control ) == MVLC_VLM_PAUSE )
 637                         sprintf( psz, "control %s pause", name );
 638                     else if( StrToMacroType( control ) == MVLC_VLM_STOP )
 639                         sprintf( psz, "control %s stop", name );
 640                     else if( StrToMacroType( control ) == MVLC_VLM_SEEK )
 641                     {
 642                         char percent[20];
 643                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 644                         sprintf( psz, "control %s seek %s", name, percent );
 645                     }
 646
 647                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 648                     /* FIXME do a vlm_answer -> var stack conversion */
 649                     vlm_MessageDelete( vlm_answer );
 650                     break;
 651                 }
 652                 case MVLC_VLM_LOAD:
 653                 case MVLC_VLM_SAVE:
 654                 {
 655                     vlm_message_t *vlm_answer;
 656                     char file[512];
 657                     char psz[512];
 658
 659                     if( p_intf->p_sys->p_vlm == NULL )
 660                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 661
 662                     if( p_intf->p_sys->p_vlm == NULL ) break;
 663
 664                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 665                     decode_URI( file );
 666
 667                     if( StrToMacroType( control ) == MVLC_VLM_LOAD )
 668                         sprintf( psz, "load %s", file );
 669                     else
 670                         sprintf( psz, "save %s", file );
 671
 672                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 673                     /* FIXME do a vlm_answer -> var stack conversion */
 674                     vlm_MessageDelete( vlm_answer );
 675                     break;
 676                 }
 677
 678                 default:
 679                     if( *control )
 680                     {
 681                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 682                     }
 683                     break;
 684             }
 685             break;
 686
 687         case MVLC_SET:
 688         {
 689             char    value[512];
 690             int     i;
 691             float   f;
 692
 693             if( i_request <= 0 ||
 694                 *m->param1  == '\0' ||
 695                 strstr( p_request, m->param1 ) == NULL )
 696             {
 697                 break;
 698             }
 699             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 700             decode_URI( value );
 701
 702             switch( StrToMacroType( m->param2 ) )
 703             {
 704                 case MVLC_INT:
 705                     i = atoi( value );
 706                     config_PutInt( p_intf, m->param1, i );
 707                     break;
 708                 case MVLC_FLOAT:
 709                     f = atof( value );
 710                     config_PutFloat( p_intf, m->param1, f );
 711                     break;
 712                 case MVLC_STRING:
 713                     config_PutPsz( p_intf, m->param1, value );
 714                     break;
 715                 default:
 716                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 717             }
 718             break;
 719         }
 720         case MVLC_GET:
 721         {
 722             char    value[512];
 723             int     i;
 724             float   f;
 725             char    *psz;
 726             lldiv_t div;
 727
 728             if( *m->param1  == '\0' )
 729             {
 730                 break;
 731             }
 732
 733             switch( StrToMacroType( m->param2 ) )
 734             {
 735                 case MVLC_INT:
 736                     i = config_GetInt( p_intf, m->param1 );
 737                     sprintf( value, "%d", i );
 738                     break;
 739                 case MVLC_FLOAT:
 740                     f = config_GetFloat( p_intf, m->param1 );
 741                     div = lldiv( f * 1000000 , 1000000 );
 742                     sprintf( value, "%lld.%06u", div.quot,
 743                             (unsigned int)div.rem );
 744                     break;
 745                 case MVLC_STRING:
 746                     psz = config_GetPsz( p_intf, m->param1 );
 747                     if( psz != NULL )
 748                     {
 749                         strlcpy( value, psz,sizeof( value ) );
 750                         free( psz );
 751                     }
 752                     else
 753                         *value = '\0';
 754                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 755                     break;
 756                 default:
 757                     snprintf( value, sizeof( value ),
 758                               "invalid type(%s) in set", m->param2 );
 759                     break;
 760             }
 761             PRINTS( "%s", value );
 762             break;
 763         }
 764         case MVLC_VALUE:
 765         {
 766             char *s, *v;
 767
 768             if( m->param1 )
 769             {
 770                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 771                 s = E_(SSPop)( &p_args->stack );
 772                 v = E_(mvar_GetValue)( p_args->vars, s );
 773             }
 774             else
 775             {
 776                 v = s = E_(SSPop)( &p_args->stack );
 777             }
 778
 779             PRINTS( "%s", v );
 780             free( s );
 781             break;
 782         }
 783         case MVLC_RPN:
 784             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 785             break;
 786
 787         /* Useful to learn stack management */
 788         case MVLC_STACK:
 789         {
 790             int i;
 791             msg_Dbg( p_intf, "stack" );
 792             for (i=0;i<(&p_args->stack)->i_stack;i++)
 793                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 794             break;
 795         }
 796
 797         case MVLC_UNKNOWN:
 798         default:
 799             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 800             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 801             break;
 802     }
 803 #undef PRINTS
 804 #undef PRINT
 805 #undef ALLOC
 806 }
 807
 808 static
 809 char *MacroSearch( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 810 {
 811     int     i_id;
 812     int     i_level = 0;
 813
 814     while( src < end )
 815     {
 816         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 817         {
 818             int i_skip;
 819             macro_t m;
 820
 821             i_skip = MacroParse( &m, src );
 822
 823             i_id = StrToMacroType( m.id );
 824
 825             switch( i_id )
 826             {
 827                 case MVLC_IF:
 828                 case MVLC_FOREACH:
 829                     i_level++;
 830                     break;
 831                 case MVLC_END:
 832                     i_level--;
 833                     break;
 834                 default:
 835                     break;
 836             }
 837
 838             MacroClean( &m );
 839
 840             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 841                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 842             {
 843                 return src + ( b_after ? i_skip : 0 );
 844             }
 845             else if( i_level < 0 )
 846             {
 847                 return NULL;
 848             }
 849
 850             src += i_skip;
 851         }
 852         else
 853         {
 854             src++;
 855         }
 856     }
 857
 858     return NULL;
 859 }
 860
 861 void E_(Execute)( httpd_file_sys_t *p_args,
 862                      char *p_request, int i_request,
 863                      char **pp_data, int *pi_data,
 864                      char **pp_dst,
 865                      char *_src, char *_end )
 866 {
 867     intf_thread_t  *p_intf = p_args->p_intf;
 868
 869     char *src, *dup, *end;
 870     char *dst = *pp_dst;
 871
 872     src = dup = malloc( _end - _src + 1 );
 873     end = src +( _end - _src );
 874
 875     memcpy( src, _src, _end - _src );
 876     *end = '\0';
 877
 878     /* we parse searching <vlc */
 879     while( src < end )
 880     {
 881         char *p;
 882         int i_copy;
 883
 884         p = (char *)strstr( (char *)src, "<vlc" );
 885         if( p < end && p == src )
 886         {
 887             macro_t m;
 888
 889             src += MacroParse( &m, src );
 890
 891             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 892
 893             switch( StrToMacroType( m.id ) )
 894             {
 895                 case MVLC_INCLUDE:
 896                 {
 897                     FILE *f;
 898                     int  i_buffer;
 899                     char *p_buffer;
 900                     char psz_file[MAX_DIR_SIZE];
 901                     char *p;
 902                     char sep;
 903
 904 #if defined( WIN32 )
 905                     sep = '\\';
 906 #else
 907                     sep = '/';
 908 #endif
 909
 910                     if( m.param1[0] != sep )
 911                     {
 912                         strcpy( psz_file, p_args->file );
 913                         p = strrchr( psz_file, sep );
 914                         if( p != NULL )
 915                             strcpy( p + 1, m.param1 );
 916                         else
 917                             strcpy( psz_file, m.param1 );
 918                     }
 919                     else
 920                     {
 921                         strcpy( psz_file, m.param1 );
 922                     }
 923
 924                     /* We hereby assume that psz_file is in the
 925                      * local character encoding */
 926                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 927                     {
 928                         msg_Warn( p_args->p_intf,
 929                                   "unable to include file %s (%m)",
 930                                   psz_file );
 931                         break;
 932                     }
 933
 934                     /* first we load in a temporary buffer */
 935                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 936
 937                     /* we parse executing all  <vlc /> macros */
 938                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 939                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 940                     free( p_buffer );
 941                     fclose(f);
 942                     break;
 943                 }
 944                 case MVLC_IF:
 945                 {
 946                     vlc_bool_t i_test;
 947                     char    *endif;
 948
 949                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 950                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 951                     {
 952                         i_test = 1;
 953                     }
 954                     else
 955                     {
 956                         i_test = 0;
 957                     }
 958                     endif = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 959
 960                     if( i_test == 0 )
 961                     {
 962                         char *start = MacroSearch( src, endif, MVLC_ELSE, VLC_TRUE );
 963
 964                         if( start )
 965                         {
 966                             char *stop  = MacroSearch( start, endif, MVLC_END, VLC_FALSE );
 967                             if( stop )
 968                             {
 969                                 E_(Execute)( p_args, p_request, i_request,
 970                                          pp_data, pi_data, &dst, start, stop );
 971                             }
 972                         }
 973                     }
 974                     else if( i_test == 1 )
 975                     {
 976                         char *stop;
 977                         if( ( stop = MacroSearch( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 978                         {
 979                             stop = MacroSearch( src, endif, MVLC_END, VLC_FALSE );
 980                         }
 981                         if( stop )
 982                         {
 983                             E_(Execute)( p_args, p_request, i_request,
 984                                      pp_data, pi_data, &dst, src, stop );
 985                         }
 986                     }
 987
 988                     src = endif;
 989                     break;
 990                 }
 991                 case MVLC_FOREACH:
 992                 {
 993                     char *endfor = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 994                     char *start = src;
 995                     char *stop = MacroSearch( src, end, MVLC_END, VLC_FALSE );
 996
 997                     if( stop )
 998                     {
 999                         mvar_t *index;
1000                         int    i_idx;
1001                         mvar_t *v;
1002                         if( !strcmp( m.param2, "integer" ) )
1003                         {
1004                             char *arg = E_(SSPop)( &p_args->stack );
1005                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
1006                             free( arg );
1007                         }
1008                         else if( !strcmp( m.param2, "directory" ) )
1009                         {
1010                             char *arg = E_(SSPop)( &p_args->stack );
1011                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1012                             free( arg );
1013                         }
1014                         else if( !strcmp( m.param2, "object" ) )
1015                         {
1016                             char *arg = E_(SSPop)( &p_args->stack );
1017                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1018                             free( arg );
1019                         }
1020                         else if( !strcmp( m.param2, "playlist" ) )
1021                         {
1022                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1023                                                     p_intf->p_sys->p_playlist );
1024                         }
1025                         else if( !strcmp( m.param2, "information" ) )
1026                         {
1027                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1028                                                      p_intf->p_sys->p_input );
1029                         }
1030                         else if( !strcmp( m.param2, "program" )
1031                                   || !strcmp( m.param2, "title" )
1032                                   || !strcmp( m.param2, "chapter" )
1033                                   || !strcmp( m.param2, "audio-es" )
1034                                   || !strcmp( m.param2, "video-es" )
1035                                   || !strcmp( m.param2, "spu-es" ) )
1036                         {
1037                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1038                                                          p_intf->p_sys->p_input,
1039                                                          m.param2 );
1040                         }
1041                         else if( !strcmp( m.param2, "vlm" ) )
1042                         {
1043                             if( p_intf->p_sys->p_vlm == NULL )
1044                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1045                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1046                         }
1047 #if 0
1048                         else if( !strcmp( m.param2, "hosts" ) )
1049                         {
1050                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1051                         }
1052                         else if( !strcmp( m.param2, "urls" ) )
1053                         {
1054                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1055                         }
1056                         else if( !strcmp( m.param2, "connections" ) )
1057                         {
1058                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1059                         }
1060 #endif
1061                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1062                         {
1063                             index = E_(mvar_Duplicate)( v );
1064                         }
1065                         else
1066                         {
1067                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1068                             src = endfor;
1069                             break;
1070                         }
1071
1072                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1073                         {
1074                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1075
1076                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1077
1078                             free( f->name );
1079                             f->name = strdup( m.param1 );
1080
1081
1082                             E_(mvar_PushVar)( p_args->vars, f );
1083                             E_(Execute)( p_args, p_request, i_request,
1084                                      pp_data, pi_data, &dst, start, stop );
1085                             E_(mvar_RemoveVar)( p_args->vars, f );
1086
1087                             E_(mvar_Delete)( f );
1088                         }
1089                         E_(mvar_Delete)( index );
1090
1091                         src = endfor;
1092                     }
1093                     break;
1094                 }
1095                 default:
1096                     MacroDo( p_args, &m, p_request, i_request,
1097                              pp_data, pi_data, &dst );
1098                     break;
1099             }
1100
1101             MacroClean( &m );
1102             continue;
1103         }
1104
1105         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1106         if( i_copy > 0 )
1107         {
1108             int i_index = dst - *pp_data;
1109
1110             *pi_data += i_copy;
1111             *pp_data = realloc( *pp_data, *pi_data );
1112             dst = (*pp_data) + i_index;
1113
1114             memcpy( dst, src, i_copy );
1115             dst += i_copy;
1116             src += i_copy;
1117         }
1118     }
1119
1120     *pp_dst = dst;
1121     free( dup );
1122 }