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                         int i_ret = playlist_AddInput( p_sys->p_playlist,
 349                                      p_input,
 350                                      PLAYLIST_APPEND, PLAYLIST_END, VLC_TRUE,
 351                                      VLC_FALSE);
 352                         vlc_gc_decref( p_input );
 353                         if( i_ret == VLC_SUCCESS )
 354                             msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 355                         else
 356                             msg_Warn( p_intf, "adding mrl %s failed", mrl );
 357                     }
 358                     free( psz_uri );
 359
 360                     break;
 361                 }
 362                 case MVLC_DEL:
 363                 {
 364                     int i_item, *p_items = NULL, i_nb_items = 0;
 365                     char item[512], *p_parser = p_request;
 366
 367                     /* Get the list of items to delete */
 368                     while( (p_parser =
 369                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 370                     {
 371                         if( !*item ) continue;
 372
 373                         i_item = atoi( item );
 374                         p_items = realloc( p_items, (i_nb_items + 1) *
 375                                            sizeof(int) );
 376                         p_items[i_nb_items] = i_item;
 377                         i_nb_items++;
 378                     }
 379
 380                     if( i_nb_items )
 381                     {
 382                         int i;
 383                         for( i = 0; i < i_nb_items; i++ )
 384                         {
 385                             playlist_DeleteFromInput( p_sys->p_playlist,
 386                                                       p_items[i], VLC_FALSE );
 387                             msg_Dbg( p_intf, "requested playlist delete: %d",
 388                                      p_items[i] );
 389                             p_items[i] = -1;
 390                         }
 391                     }
 392
 393                     free( p_items );
 394                     break;
 395                 }
 396                 case MVLC_KEEP:
 397                 {
 398                     int i_item, *p_items = NULL, i_nb_items = 0;
 399                     char item[512], *p_parser = p_request;
 400                     int i,j;
 401
 402                     /* Get the list of items to keep */
 403                     while( (p_parser =
 404                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 405                     {
 406                         if( !*item ) continue;
 407
 408                         i_item = atoi( item );
 409                         p_items = realloc( p_items, (i_nb_items + 1) *
 410                                            sizeof(int) );
 411                         p_items[i_nb_items] = i_item;
 412                         i_nb_items++;
 413                     }
 414
 415                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 416                     {
 417                         /* Check if the item is in the keep list */
 418                         for( j = 0 ; j < i_nb_items ; j++ )
 419                         {
 420                             if( p_items[j] ==
 421                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 422                                                 ->i_id)
 423                                 break;
 424                         }
 425                         if( j == i_nb_items )
 426                         {
 427                             playlist_DeleteFromInput( p_sys->p_playlist,
 428                                      p_sys->p_playlist->items.p_elems[i]->i_id,
 429                                                       VLC_FALSE );
 430                             msg_Dbg( p_intf, "requested playlist delete: %d",
 431                                      i );
 432                         }
 433                     }
 434
 435                     free( p_items );
 436                     break;
 437                 }
 438                 case MVLC_EMPTY:
 439                 {
 440                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 441                     msg_Dbg( p_intf, "requested playlist empty" );
 442                     break;
 443                 }
 444                 case MVLC_SORT:
 445                 {
 446                     char type[12];
 447                     char order[2];
 448                     char item[512];
 449                     int i_order;
 450                     int i_item;
 451
 452                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 453                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 454                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 455                     i_item = atoi( item );
 456
 457                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 458                     else i_order = ORDER_REVERSE;
 459
 460                     if( !strcmp( type , "title" ) )
 461                     {
 462                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 463                                                     /* Ugly hack,but not worse than before ... */
 464                                                     p_sys->p_playlist->p_root_onelevel,
 465                                                     SORT_TITLE_NODES_FIRST,
 466                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 467                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 468                     }
 469                     else if( !strcmp( type , "author" ) )
 470                     {
 471                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 472                                                     p_sys->p_playlist->p_root_onelevel,
 473                                                     SORT_ARTIST,
 474                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 475                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 476                     }
 477                     else if( !strcmp( type , "shuffle" ) )
 478                     {
 479                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 480                                                     p_sys->p_playlist->p_root_onelevel,
 481                                                     SORT_RANDOM,
 482                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 483                         msg_Dbg( p_intf, "requested playlist shuffle");
 484                     }
 485
 486                     break;
 487                 }
 488                 case MVLC_MOVE:
 489                 {
 490                     char psz_pos[6];
 491                     char psz_newpos[6];
 492                     int i_pos;
 493                     int i_newpos;
 494                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 495                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 496                     i_pos = atoi( psz_pos );
 497                     i_newpos = atoi( psz_newpos );
 498                     /* FIXME FIXME TODO TODO XXX XXX
 499                     ( duplicate from rpn.c )
 500                     if ( i_pos < i_newpos )
 501                     {
 502                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 503                     }
 504                     else
 505                     {
 506                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 507                     }
 508                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 509                     FIXME FIXME TODO TODO XXX XXX */
 510                     break;
 511                 }
 512
 513                 /* admin function */
 514                 case MVLC_CLOSE:
 515                 {
 516                     char id[512];
 517                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 518                     msg_Dbg( p_intf, "requested close id=%s", id );
 519 #if 0
 520                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 521                     {
 522                         msg_Warn( p_intf, "close failed for id=%s", id );
 523                     }
 524 #endif
 525                     break;
 526                 }
 527                 case MVLC_SHUTDOWN:
 528                 {
 529                     msg_Dbg( p_intf, "requested shutdown" );
 530                     vlc_object_kill( p_intf->p_libvlc );
 531                     break;
 532                 }
 533                 /* vlm */
 534                 case MVLC_VLM_NEW:
 535                 case MVLC_VLM_SETUP:
 536                 {
 537                     static const char *vlm_properties[11] =
 538                     {
 539                         /* no args */
 540                         "enabled", "disabled", "loop", "unloop",
 541                         /* args required */
 542                         "input", "output", "option", "date", "period", "repeat", "append",
 543                     };
 544                     vlm_message_t *vlm_answer;
 545                     char name[512];
 546                     char *psz = malloc( strlen( p_request ) + 1000 );
 547                     char *p = psz;
 548                     char *vlm_error;
 549                     int i;
 550
 551                     if( p_intf->p_sys->p_vlm == NULL )
 552                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 553
 554                     if( p_intf->p_sys->p_vlm == NULL ) break;
 555
 556                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 557                     if( StrToMacroType( control ) == MVLC_VLM_NEW )
 558                     {
 559                         char type[20];
 560                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 561                         p += sprintf( psz, "new %s %s", name, type );
 562                     }
 563                     else
 564                     {
 565                         p += sprintf( psz, "setup %s", name );
 566                     }
 567                     /* Parse the request */
 568                     for( i = 0; i < 11; i++ )
 569                     {
 570                         char val[512];
 571                         E_(ExtractURIValue)( p_request,
 572                                                vlm_properties[i], val, 512 );
 573                         decode_URI( val );
 574                         if( strlen( val ) > 0 && i >= 4 )
 575                         {
 576                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 577                         }
 578                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 579                         {
 580                             p += sprintf( p, " %s", vlm_properties[i] );
 581                         }
 582                     }
 583                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 584                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 585                     {
 586                         vlm_error = strdup( "" );
 587                     }
 588                     else
 589                     {
 590                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 591                                             strlen(vlm_answer->psz_value) +
 592                                             strlen( " : ") + 1 );
 593                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 594                                                          vlm_answer->psz_value );
 595                     }
 596
 597                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 598
 599                     vlm_MessageDelete( vlm_answer );
 600                     free( vlm_error );
 601                     free( psz );
 602                     break;
 603                 }
 604
 605                 case MVLC_VLM_DEL:
 606                 {
 607                     vlm_message_t *vlm_answer;
 608                     char name[512];
 609                     char psz[512+10];
 610                     if( p_intf->p_sys->p_vlm == NULL )
 611                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 612
 613                     if( p_intf->p_sys->p_vlm == NULL ) break;
 614
 615                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 616                     sprintf( psz, "del %s", name );
 617
 618                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 619                     /* FIXME do a vlm_answer -> var stack conversion */
 620                     vlm_MessageDelete( vlm_answer );
 621                     break;
 622                 }
 623
 624                 case MVLC_VLM_PLAY:
 625                 case MVLC_VLM_PAUSE:
 626                 case MVLC_VLM_STOP:
 627                 case MVLC_VLM_SEEK:
 628                 {
 629                     vlm_message_t *vlm_answer;
 630                     char name[512];
 631                     char psz[512+10];
 632                     if( p_intf->p_sys->p_vlm == NULL )
 633                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 634
 635                     if( p_intf->p_sys->p_vlm == NULL ) break;
 636
 637                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 638                     if( StrToMacroType( control ) == MVLC_VLM_PLAY )
 639                         sprintf( psz, "control %s play", name );
 640                     else if( StrToMacroType( control ) == MVLC_VLM_PAUSE )
 641                         sprintf( psz, "control %s pause", name );
 642                     else if( StrToMacroType( control ) == MVLC_VLM_STOP )
 643                         sprintf( psz, "control %s stop", name );
 644                     else if( StrToMacroType( control ) == MVLC_VLM_SEEK )
 645                     {
 646                         char percent[20];
 647                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 648                         sprintf( psz, "control %s seek %s", name, percent );
 649                     }
 650
 651                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 652                     /* FIXME do a vlm_answer -> var stack conversion */
 653                     vlm_MessageDelete( vlm_answer );
 654                     break;
 655                 }
 656                 case MVLC_VLM_LOAD:
 657                 case MVLC_VLM_SAVE:
 658                 {
 659                     vlm_message_t *vlm_answer;
 660                     char file[512];
 661                     char psz[512];
 662
 663                     if( p_intf->p_sys->p_vlm == NULL )
 664                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 665
 666                     if( p_intf->p_sys->p_vlm == NULL ) break;
 667
 668                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 669                     decode_URI( file );
 670
 671                     if( StrToMacroType( control ) == MVLC_VLM_LOAD )
 672                         sprintf( psz, "load %s", file );
 673                     else
 674                         sprintf( psz, "save %s", file );
 675
 676                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 677                     /* FIXME do a vlm_answer -> var stack conversion */
 678                     vlm_MessageDelete( vlm_answer );
 679                     break;
 680                 }
 681
 682                 default:
 683                     if( *control )
 684                     {
 685                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 686                     }
 687                     break;
 688             }
 689             break;
 690
 691         case MVLC_SET:
 692         {
 693             char    value[512];
 694             int     i;
 695             float   f;
 696
 697             if( i_request <= 0 ||
 698                 *m->param1  == '\0' ||
 699                 strstr( p_request, m->param1 ) == NULL )
 700             {
 701                 break;
 702             }
 703             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 704             decode_URI( value );
 705
 706             switch( StrToMacroType( m->param2 ) )
 707             {
 708                 case MVLC_INT:
 709                     i = atoi( value );
 710                     config_PutInt( p_intf, m->param1, i );
 711                     break;
 712                 case MVLC_FLOAT:
 713                     f = atof( value );
 714                     config_PutFloat( p_intf, m->param1, f );
 715                     break;
 716                 case MVLC_STRING:
 717                     config_PutPsz( p_intf, m->param1, value );
 718                     break;
 719                 default:
 720                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 721             }
 722             break;
 723         }
 724         case MVLC_GET:
 725         {
 726             char    value[512];
 727             int     i;
 728             float   f;
 729             char    *psz;
 730             lldiv_t div;
 731
 732             if( *m->param1  == '\0' )
 733             {
 734                 break;
 735             }
 736
 737             switch( StrToMacroType( m->param2 ) )
 738             {
 739                 case MVLC_INT:
 740                     i = config_GetInt( p_intf, m->param1 );
 741                     sprintf( value, "%d", i );
 742                     break;
 743                 case MVLC_FLOAT:
 744                     f = config_GetFloat( p_intf, m->param1 );
 745                     div = lldiv( f * 1000000 , 1000000 );
 746                     sprintf( value, "%lld.%06u", div.quot,
 747                             (unsigned int)div.rem );
 748                     break;
 749                 case MVLC_STRING:
 750                     psz = config_GetPsz( p_intf, m->param1 );
 751                     if( psz != NULL )
 752                     {
 753                         strlcpy( value, psz,sizeof( value ) );
 754                         free( psz );
 755                     }
 756                     else
 757                         *value = '\0';
 758                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 759                     break;
 760                 default:
 761                     snprintf( value, sizeof( value ),
 762                               "invalid type(%s) in set", m->param2 );
 763                     break;
 764             }
 765             PRINTS( "%s", value );
 766             break;
 767         }
 768         case MVLC_VALUE:
 769         {
 770             char *s, *v;
 771
 772             if( m->param1 )
 773             {
 774                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 775                 s = E_(SSPop)( &p_args->stack );
 776                 v = E_(mvar_GetValue)( p_args->vars, s );
 777             }
 778             else
 779             {
 780                 v = s = E_(SSPop)( &p_args->stack );
 781             }
 782
 783             PRINTS( "%s", v );
 784             free( s );
 785             break;
 786         }
 787         case MVLC_RPN:
 788             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 789             break;
 790
 791         /* Useful to learn stack management */
 792         case MVLC_STACK:
 793         {
 794             int i;
 795             msg_Dbg( p_intf, "stack" );
 796             for (i=0;i<(&p_args->stack)->i_stack;i++)
 797                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 798             break;
 799         }
 800
 801         case MVLC_UNKNOWN:
 802         default:
 803             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 804             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 805             break;
 806     }
 807 #undef PRINTS
 808 #undef PRINT
 809 #undef ALLOC
 810 }
 811
 812 static
 813 char *MacroSearch( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 814 {
 815     int     i_id;
 816     int     i_level = 0;
 817
 818     while( src < end )
 819     {
 820         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 821         {
 822             int i_skip;
 823             macro_t m;
 824
 825             i_skip = MacroParse( &m, src );
 826
 827             i_id = StrToMacroType( m.id );
 828
 829             switch( i_id )
 830             {
 831                 case MVLC_IF:
 832                 case MVLC_FOREACH:
 833                     i_level++;
 834                     break;
 835                 case MVLC_END:
 836                     i_level--;
 837                     break;
 838                 default:
 839                     break;
 840             }
 841
 842             MacroClean( &m );
 843
 844             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 845                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 846             {
 847                 return src + ( b_after ? i_skip : 0 );
 848             }
 849             else if( i_level < 0 )
 850             {
 851                 return NULL;
 852             }
 853
 854             src += i_skip;
 855         }
 856         else
 857         {
 858             src++;
 859         }
 860     }
 861
 862     return NULL;
 863 }
 864
 865 void E_(Execute)( httpd_file_sys_t *p_args,
 866                      char *p_request, int i_request,
 867                      char **pp_data, int *pi_data,
 868                      char **pp_dst,
 869                      char *_src, char *_end )
 870 {
 871     intf_thread_t  *p_intf = p_args->p_intf;
 872
 873     char *src, *dup, *end;
 874     char *dst = *pp_dst;
 875
 876     src = dup = malloc( _end - _src + 1 );
 877     end = src +( _end - _src );
 878
 879     memcpy( src, _src, _end - _src );
 880     *end = '\0';
 881
 882     /* we parse searching <vlc */
 883     while( src < end )
 884     {
 885         char *p;
 886         int i_copy;
 887
 888         p = (char *)strstr( (char *)src, "<vlc" );
 889         if( p < end && p == src )
 890         {
 891             macro_t m;
 892
 893             src += MacroParse( &m, src );
 894
 895             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 896
 897             switch( StrToMacroType( m.id ) )
 898             {
 899                 case MVLC_INCLUDE:
 900                 {
 901                     FILE *f;
 902                     int  i_buffer;
 903                     char *p_buffer;
 904                     char psz_file[MAX_DIR_SIZE];
 905                     char *p;
 906                     char sep;
 907
 908 #if defined( WIN32 )
 909                     sep = '\\';
 910 #else
 911                     sep = '/';
 912 #endif
 913
 914                     if( m.param1[0] != sep )
 915                     {
 916                         strcpy( psz_file, p_args->file );
 917                         p = strrchr( psz_file, sep );
 918                         if( p != NULL )
 919                             strcpy( p + 1, m.param1 );
 920                         else
 921                             strcpy( psz_file, m.param1 );
 922                     }
 923                     else
 924                     {
 925                         strcpy( psz_file, m.param1 );
 926                     }
 927
 928                     /* We hereby assume that psz_file is in the
 929                      * local character encoding */
 930                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 931                     {
 932                         msg_Warn( p_args->p_intf,
 933                                   "unable to include file %s (%m)",
 934                                   psz_file );
 935                         break;
 936                     }
 937
 938                     /* first we load in a temporary buffer */
 939                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 940
 941                     /* we parse executing all  <vlc /> macros */
 942                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 943                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 944                     free( p_buffer );
 945                     fclose(f);
 946                     break;
 947                 }
 948                 case MVLC_IF:
 949                 {
 950                     vlc_bool_t i_test;
 951                     char    *endif;
 952
 953                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 954                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 955                     {
 956                         i_test = 1;
 957                     }
 958                     else
 959                     {
 960                         i_test = 0;
 961                     }
 962                     endif = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 963
 964                     if( i_test == 0 )
 965                     {
 966                         char *start = MacroSearch( src, endif, MVLC_ELSE, VLC_TRUE );
 967
 968                         if( start )
 969                         {
 970                             char *stop  = MacroSearch( start, endif, MVLC_END, VLC_FALSE );
 971                             if( stop )
 972                             {
 973                                 E_(Execute)( p_args, p_request, i_request,
 974                                          pp_data, pi_data, &dst, start, stop );
 975                             }
 976                         }
 977                     }
 978                     else if( i_test == 1 )
 979                     {
 980                         char *stop;
 981                         if( ( stop = MacroSearch( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 982                         {
 983                             stop = MacroSearch( src, endif, MVLC_END, VLC_FALSE );
 984                         }
 985                         if( stop )
 986                         {
 987                             E_(Execute)( p_args, p_request, i_request,
 988                                      pp_data, pi_data, &dst, src, stop );
 989                         }
 990                     }
 991
 992                     src = endif;
 993                     break;
 994                 }
 995                 case MVLC_FOREACH:
 996                 {
 997                     char *endfor = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 998                     char *start = src;
 999                     char *stop = MacroSearch( src, end, MVLC_END, VLC_FALSE );
1000
1001                     if( stop )
1002                     {
1003                         mvar_t *index;
1004                         int    i_idx;
1005                         mvar_t *v;
1006                         if( !strcmp( m.param2, "integer" ) )
1007                         {
1008                             char *arg = E_(SSPop)( &p_args->stack );
1009                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
1010                             free( arg );
1011                         }
1012                         else if( !strcmp( m.param2, "directory" ) )
1013                         {
1014                             char *arg = E_(SSPop)( &p_args->stack );
1015                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1016                             free( arg );
1017                         }
1018                         else if( !strcmp( m.param2, "object" ) )
1019                         {
1020                             char *arg = E_(SSPop)( &p_args->stack );
1021                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1022                             free( arg );
1023                         }
1024                         else if( !strcmp( m.param2, "playlist" ) )
1025                         {
1026                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1027                                                     p_intf->p_sys->p_playlist );
1028                         }
1029                         else if( !strcmp( m.param2, "information" ) )
1030                         {
1031                             index = E_(mvar_InfoSetNew)( m.param1,
1032                                                      p_intf->p_sys->p_input );
1033                         }
1034                         else if( !strcmp( m.param2, "program" )
1035                                   || !strcmp( m.param2, "title" )
1036                                   || !strcmp( m.param2, "chapter" )
1037                                   || !strcmp( m.param2, "audio-es" )
1038                                   || !strcmp( m.param2, "video-es" )
1039                                   || !strcmp( m.param2, "spu-es" ) )
1040                         {
1041                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1042                                                          p_intf->p_sys->p_input,
1043                                                          m.param2 );
1044                         }
1045                         else if( !strcmp( m.param2, "vlm" ) )
1046                         {
1047                             if( p_intf->p_sys->p_vlm == NULL )
1048                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1049                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1050                         }
1051 #if 0
1052                         else if( !strcmp( m.param2, "hosts" ) )
1053                         {
1054                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1055                         }
1056                         else if( !strcmp( m.param2, "urls" ) )
1057                         {
1058                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1059                         }
1060                         else if( !strcmp( m.param2, "connections" ) )
1061                         {
1062                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1063                         }
1064 #endif
1065                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1066                         {
1067                             index = E_(mvar_Duplicate)( v );
1068                         }
1069                         else
1070                         {
1071                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1072                             src = endfor;
1073                             break;
1074                         }
1075
1076                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1077                         {
1078                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1079
1080                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1081
1082                             free( f->name );
1083                             f->name = strdup( m.param1 );
1084
1085
1086                             E_(mvar_PushVar)( p_args->vars, f );
1087                             E_(Execute)( p_args, p_request, i_request,
1088                                      pp_data, pi_data, &dst, start, stop );
1089                             E_(mvar_RemoveVar)( p_args->vars, f );
1090
1091                             E_(mvar_Delete)( f );
1092                         }
1093                         E_(mvar_Delete)( index );
1094
1095                         src = endfor;
1096                     }
1097                     break;
1098                 }
1099                 default:
1100                     MacroDo( p_args, &m, p_request, i_request,
1101                              pp_data, pi_data, &dst );
1102                     break;
1103             }
1104
1105             MacroClean( &m );
1106             continue;
1107         }
1108
1109         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1110         if( i_copy > 0 )
1111         {
1112             int i_index = dst - *pp_data;
1113
1114             *pi_data += i_copy;
1115             *pp_data = realloc( *pp_data, *pi_data );
1116             dst = (*pp_data) + i_index;
1117
1118             memcpy( dst, src, i_copy );
1119             dst += i_copy;
1120             src += i_copy;
1121         }
1122     }
1123
1124     *pp_dst = dst;
1125     free( dup );
1126 }