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: http.c 12225 2005-08-18 10:01:30Z massiot $
   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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 #include "http.h"
  27 #include "macros.h"
  28
  29 int MacroParse( macro_t *m, char *psz_src )
  30 {
  31     char *dup = strdup( (char *)psz_src );
  32     char *src = dup;
  33     char *p;
  34     int     i_skip;
  35
  36 #define EXTRACT( name, l ) \
  37         src += l;    \
  38         p = strchr( src, '"' );             \
  39         if( p )                             \
  40         {                                   \
  41             *p++ = '\0';                    \
  42         }                                   \
  43         m->name = strdup( src );            \
  44         if( !p )                            \
  45         {                                   \
  46             break;                          \
  47         }                                   \
  48         src = p;
  49
  50     /* init m */
  51     m->id = NULL;
  52     m->param1 = NULL;
  53     m->param2 = NULL;
  54
  55     /* parse */
  56     src += 4;
  57
  58     while( *src )
  59     {
  60         while( *src == ' ')
  61         {
  62             src++;
  63         }
  64         if( !strncmp( src, "id=\"", 4 ) )
  65         {
  66             EXTRACT( id, 4 );
  67         }
  68         else if( !strncmp( src, "param1=\"", 8 ) )
  69         {
  70             EXTRACT( param1, 8 );
  71         }
  72         else if( !strncmp( src, "param2=\"", 8 ) )
  73         {
  74             EXTRACT( param2, 8 );
  75         }
  76         else
  77         {
  78             break;
  79         }
  80     }
  81     if( strstr( src, "/>" ) )
  82     {
  83         src = strstr( src, "/>" ) + 2;
  84     }
  85     else
  86     {
  87         src += strlen( src );
  88     }
  89
  90     if( m->id == NULL )
  91     {
  92         m->id = strdup( "" );
  93     }
  94     if( m->param1 == NULL )
  95     {
  96         m->param1 = strdup( "" );
  97     }
  98     if( m->param2 == NULL )
  99     {
 100         m->param2 = strdup( "" );
 101     }
 102     i_skip = src - dup;
 103
 104     free( dup );
 105     return i_skip;
 106 #undef EXTRACT
 107 }
 108
 109 void MacroClean( macro_t *m )
 110 {
 111     free( m->id );
 112     free( m->param1 );
 113     free( m->param2 );
 114 }
 115
 116 int StrToMacroType( char *name )
 117 {
 118     int i;
 119
 120     if( !name || *name == '\0')
 121     {
 122         return MVLC_UNKNOWN;
 123     }
 124     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 125     {
 126         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 127         {
 128             return StrToMacroTypeTab[i].i_type;
 129         }
 130     }
 131     return MVLC_UNKNOWN;
 132 }
 133
 134 void MacroDo( httpd_file_sys_t *p_args,
 135                      macro_t *m,
 136                      char *p_request, int i_request,
 137                      char **pp_data,  int *pi_data,
 138                      char **pp_dst )
 139 {
 140     intf_thread_t  *p_intf = p_args->p_intf;
 141     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 142     char control[512];
 143
 144 #define ALLOC( l ) \
 145     {               \
 146         int __i__ = *pp_dst - *pp_data; \
 147         *pi_data += (l);                  \
 148         *pp_data = realloc( *pp_data, *pi_data );   \
 149         *pp_dst = (*pp_data) + __i__;   \
 150     }
 151 #define PRINT( str ) \
 152     ALLOC( strlen( str ) + 1 ); \
 153     *pp_dst += sprintf( *pp_dst, str );
 154
 155 #define PRINTS( str, s ) \
 156     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 157     { \
 158         char * psz_cur = *pp_dst; \
 159         *pp_dst += sprintf( *pp_dst, str, s ); \
 160         while( psz_cur && *psz_cur ) \
 161         {  \
 162             /* Prevent script injection */ \
 163             if( *psz_cur == '<' ) *psz_cur = '*'; \
 164             if( *psz_cur == '>' ) *psz_cur = '*'; \
 165             psz_cur++ ; \
 166         } \
 167     }
 168
 169     switch( StrToMacroType( m->id ) )
 170     {
 171         case MVLC_CONTROL:
 172             if( i_request <= 0 )
 173             {
 174                 break;
 175             }
 176             E_(uri_extract_value)( p_request, "control", control, 512 );
 177             if( *m->param1 && !strstr( m->param1, control ) )
 178             {
 179                 msg_Warn( p_intf, "unauthorized control=%s", control );
 180                 break;
 181             }
 182             switch( StrToMacroType( control ) )
 183             {
 184                 case MVLC_PLAY:
 185                 {
 186                     int i_item;
 187                     char item[512];
 188
 189                     E_(uri_extract_value)( p_request, "item", item, 512 );
 190                     i_item = atoi( item );
 191                     playlist_Control( p_sys->p_playlist, PLAYLIST_ITEMPLAY,
 192                                       playlist_ItemGetById( p_sys->p_playlist,
 193                                       i_item ) );
 194                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 195                     break;
 196                 }
 197                 case MVLC_STOP:
 198                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP );
 199                     msg_Dbg( p_intf, "requested playlist stop" );
 200                     break;
 201                 case MVLC_PAUSE:
 202                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE );
 203                     msg_Dbg( p_intf, "requested playlist pause" );
 204                     break;
 205                 case MVLC_NEXT:
 206                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, 1 );
 207                     msg_Dbg( p_intf, "requested playlist next" );
 208                     break;
 209                 case MVLC_PREVIOUS:
 210                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, -1 );
 211                     msg_Dbg( p_intf, "requested playlist previous" );
 212                     break;
 213                 case MVLC_FULLSCREEN:
 214                     if( p_sys->p_input )
 215                     {
 216                         vout_thread_t *p_vout;
 217                         p_vout = vlc_object_find( p_sys->p_input,
 218                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 219
 220                         if( p_vout )
 221                         {
 222                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 223                             vlc_object_release( p_vout );
 224                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 225                         }
 226                     }
 227                     break;
 228                 case MVLC_SEEK:
 229                 {
 230                     char value[30];
 231                     E_(uri_extract_value)( p_request, "seek_value", value, 30 );
 232                     E_(uri_decode_url_encoded)( value );
 233                     E_(Seek)( p_intf, value );
 234                     break;
 235                 }
 236                 case MVLC_VOLUME:
 237                 {
 238                     char vol[8];
 239                     audio_volume_t i_volume;
 240                     int i_value;
 241
 242                     E_(uri_extract_value)( p_request, "value", vol, 8 );
 243                     aout_VolumeGet( p_intf, &i_volume );
 244                     E_(uri_decode_url_encoded)( vol );
 245
 246                     if( vol[0] == '+' )
 247                     {
 248                         i_value = atoi( vol + 1 );
 249                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 250                         {
 251                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 252                             msg_Dbg( p_intf, "requested volume set: max" );
 253                         }
 254                         else
 255                         {
 256                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 257                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 258                         }
 259                     }
 260                     else if( vol[0] == '-' )
 261                     {
 262                         i_value = atoi( vol + 1 );
 263                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 264                         {
 265                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 266                             msg_Dbg( p_intf, "requested volume set: min" );
 267                         }
 268                         else
 269                         {
 270                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 271                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 272                         }
 273                     }
 274                     else if( strstr(vol, "%") != NULL )
 275                     {
 276                         i_value = atoi( vol );
 277                         if( (i_value <= 400) && (i_value>=0) ){
 278                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 279                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 280                         }
 281                     }
 282                     else
 283                     {
 284                         i_value = atoi( vol );
 285                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 286                         {
 287                             aout_VolumeSet( p_intf , atoi( vol ) );
 288                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 289                         }
 290                     }
 291                     break;
 292                 }
 293
 294                 /* playlist management */
 295                 case MVLC_ADD:
 296                 {
 297                     char mrl[1024], psz_name[1024];
 298                     playlist_item_t *p_item;
 299
 300                     E_(uri_extract_value)( p_request, "mrl", mrl, 1024 );
 301                     E_(uri_decode_url_encoded)( mrl );
 302                     E_(uri_extract_value)( p_request, "name", psz_name, 1024 );
 303                     E_(uri_decode_url_encoded)( psz_name );
 304                     if( !*psz_name )
 305                     {
 306                         memcpy( psz_name, mrl, 1024 );
 307                     }
 308                     p_item = E_(MRLParse)( p_intf, mrl, psz_name );
 309
 310                     if( !p_item || !p_item->input.psz_uri ||
 311                         !*p_item->input.psz_uri )
 312                     {
 313                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 314                     }
 315                     else
 316                     {
 317                         playlist_AddItem( p_sys->p_playlist, p_item,
 318                                           PLAYLIST_APPEND, PLAYLIST_END );
 319                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 320                     }
 321
 322                     break;
 323                 }
 324                 case MVLC_DEL:
 325                 {
 326                     int i_item, *p_items = NULL, i_nb_items = 0;
 327                     char item[512], *p_parser = p_request;
 328
 329                     /* Get the list of items to delete */
 330                     while( (p_parser =
 331                             E_(uri_extract_value)( p_parser, "item", item, 512 )) )
 332                     {
 333                         if( !*item ) continue;
 334
 335                         i_item = atoi( item );
 336                         p_items = realloc( p_items, (i_nb_items + 1) *
 337                                            sizeof(int) );
 338                         p_items[i_nb_items] = i_item;
 339                         i_nb_items++;
 340                     }
 341
 342                     if( i_nb_items )
 343                     {
 344                         int i;
 345                         for( i = 0; i < i_nb_items; i++ )
 346                         {
 347                             playlist_LockDelete( p_sys->p_playlist, p_items[i] );
 348                             msg_Dbg( p_intf, "requested playlist delete: %d",
 349                                      p_items[i] );
 350                             p_items[i] = -1;
 351                         }
 352                     }
 353
 354                     if( p_items ) free( p_items );
 355                     break;
 356                 }
 357                 case MVLC_KEEP:
 358                 {
 359                     int i_item, *p_items = NULL, i_nb_items = 0;
 360                     char item[512], *p_parser = p_request;
 361                     int i,j;
 362
 363                     /* Get the list of items to keep */
 364                     while( (p_parser =
 365                        E_(uri_extract_value)( 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                     for( i = p_sys->p_playlist->i_size - 1 ; i >= 0; i-- )
 377                     {
 378                         /* Check if the item is in the keep list */
 379                         for( j = 0 ; j < i_nb_items ; j++ )
 380                         {
 381                             if( p_items[j] ==
 382                                 p_sys->p_playlist->pp_items[i]->input.i_id ) break;
 383                         }
 384                         if( j == i_nb_items )
 385                         {
 386                             playlist_LockDelete( p_sys->p_playlist, p_sys->p_playlist->pp_items[i]->input.i_id );
 387                             msg_Dbg( p_intf, "requested playlist delete: %d",
 388                                      i );
 389                         }
 390                     }
 391
 392                     if( p_items ) free( p_items );
 393                     break;
 394                 }
 395                 case MVLC_EMPTY:
 396                 {
 397                     playlist_LockClear( p_sys->p_playlist );
 398                     msg_Dbg( p_intf, "requested playlist empty" );
 399                     break;
 400                 }
 401                 case MVLC_SORT:
 402                 {
 403                     char type[12];
 404                     char order[2];
 405                     char item[512];
 406                     int i_order;
 407                     int i_item;
 408
 409                     E_(uri_extract_value)( p_request, "type", type, 12 );
 410                     E_(uri_extract_value)( p_request, "order", order, 2 );
 411                     E_(uri_extract_value)( p_request, "item", item, 512 );
 412                     i_item = atoi( item );
 413
 414                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 415                     else i_order = ORDER_REVERSE;
 416
 417                     if( !strcmp( type , "title" ) )
 418                     {
 419                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 420                                                     p_sys->p_playlist->pp_views[0]->p_root,
 421                                                     SORT_TITLE_NODES_FIRST,
 422                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 423                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 424                     }
 425                     else if( !strcmp( type , "author" ) )
 426                     {
 427                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 428                                                     p_sys->p_playlist->pp_views[0]->p_root,
 429                                                     SORT_AUTHOR,
 430                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 431                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 432                     }
 433                     else if( !strcmp( type , "shuffle" ) )
 434                     {
 435                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 436                                                     p_sys->p_playlist->pp_views[0]->p_root,
 437                                                     SORT_RANDOM,
 438                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 439                         msg_Dbg( p_intf, "requested playlist shuffle");
 440                     }
 441
 442                     break;
 443                 }
 444                 case MVLC_MOVE:
 445                 {
 446                     char psz_pos[6];
 447                     char psz_newpos[6];
 448                     int i_pos;
 449                     int i_newpos;
 450                     E_(uri_extract_value)( p_request, "psz_pos", psz_pos, 6 );
 451                     E_(uri_extract_value)( p_request, "psz_newpos", psz_newpos, 6 );
 452                     i_pos = atoi( psz_pos );
 453                     i_newpos = atoi( psz_newpos );
 454                     if ( i_pos < i_newpos )
 455                     {
 456                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 457                     }
 458                     else
 459                     {
 460                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 461                     }
 462                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 463                     break;
 464                 }
 465
 466                 /* admin function */
 467                 case MVLC_CLOSE:
 468                 {
 469                     char id[512];
 470                     E_(uri_extract_value)( p_request, "id", id, 512 );
 471                     msg_Dbg( p_intf, "requested close id=%s", id );
 472 #if 0
 473                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 474                     {
 475                         msg_Warn( p_intf, "close failed for id=%s", id );
 476                     }
 477 #endif
 478                     break;
 479                 }
 480                 case MVLC_SHUTDOWN:
 481                 {
 482                     msg_Dbg( p_intf, "requested shutdown" );
 483                     p_intf->p_vlc->b_die = VLC_TRUE;
 484                     break;
 485                 }
 486                 /* vlm */
 487                 case MVLC_VLM_NEW:
 488                 case MVLC_VLM_SETUP:
 489                 {
 490                     static const char *vlm_properties[11] =
 491                     {
 492                         /* no args */
 493                         "enabled", "disabled", "loop", "unloop",
 494                         /* args required */
 495                         "input", "output", "option", "date", "period", "repeat", "append",
 496                     };
 497                     vlm_message_t *vlm_answer;
 498                     char name[512];
 499                     char *psz = malloc( strlen( p_request ) + 1000 );
 500                     char *p = psz;
 501                     char *vlm_error;
 502                     int i;
 503
 504                     if( p_intf->p_sys->p_vlm == NULL )
 505                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 506
 507                     if( p_intf->p_sys->p_vlm == NULL ) break;
 508
 509                     E_(uri_extract_value)( p_request, "name", name, 512 );
 510                     if( StrToMacroType( control ) == MVLC_VLM_NEW )
 511                     {
 512                         char type[20];
 513                         E_(uri_extract_value)( p_request, "type", type, 20 );
 514                         p += sprintf( psz, "new %s %s", name, type );
 515                     }
 516                     else
 517                     {
 518                         p += sprintf( psz, "setup %s", name );
 519                     }
 520                     /* Parse the request */
 521                     for( i = 0; i < 11; i++ )
 522                     {
 523                         char val[512];
 524                         E_(uri_extract_value)( p_request,
 525                                                vlm_properties[i], val, 512 );
 526                         E_(uri_decode_url_encoded)( val );
 527                         if( strlen( val ) > 0 && i >= 4 )
 528                         {
 529                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 530                         }
 531                         else if( E_(uri_test_param)( p_request, vlm_properties[i] ) && i < 4 )
 532                         {
 533                             p += sprintf( p, " %s", vlm_properties[i] );
 534                         }
 535                     }
 536                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 537                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 538                     {
 539                         vlm_error = strdup( "" );
 540                     }
 541                     else
 542                     {
 543                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 544                                             strlen(vlm_answer->psz_value) +
 545                                             strlen( " : ") + 1 );
 546                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 547                                                          vlm_answer->psz_value );
 548                     }
 549
 550                     mvar_AppendNewVar( p_args->vars, "vlm_error", vlm_error );
 551
 552                     vlm_MessageDelete( vlm_answer );
 553                     free( vlm_error );
 554                     free( psz );
 555                     break;
 556                 }
 557
 558                 case MVLC_VLM_DEL:
 559                 {
 560                     vlm_message_t *vlm_answer;
 561                     char name[512];
 562                     char psz[512+10];
 563                     if( p_intf->p_sys->p_vlm == NULL )
 564                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 565
 566                     if( p_intf->p_sys->p_vlm == NULL ) break;
 567
 568                     E_(uri_extract_value)( p_request, "name", name, 512 );
 569                     sprintf( psz, "del %s", name );
 570
 571                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 572                     /* FIXME do a vlm_answer -> var stack conversion */
 573                     vlm_MessageDelete( vlm_answer );
 574                     break;
 575                 }
 576
 577                 case MVLC_VLM_PLAY:
 578                 case MVLC_VLM_PAUSE:
 579                 case MVLC_VLM_STOP:
 580                 case MVLC_VLM_SEEK:
 581                 {
 582                     vlm_message_t *vlm_answer;
 583                     char name[512];
 584                     char psz[512+10];
 585                     if( p_intf->p_sys->p_vlm == NULL )
 586                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 587
 588                     if( p_intf->p_sys->p_vlm == NULL ) break;
 589
 590                     E_(uri_extract_value)( p_request, "name", name, 512 );
 591                     if( StrToMacroType( control ) == MVLC_VLM_PLAY )
 592                         sprintf( psz, "control %s play", name );
 593                     else if( StrToMacroType( control ) == MVLC_VLM_PAUSE )
 594                         sprintf( psz, "control %s pause", name );
 595                     else if( StrToMacroType( control ) == MVLC_VLM_STOP )
 596                         sprintf( psz, "control %s stop", name );
 597                     else if( StrToMacroType( control ) == MVLC_VLM_SEEK )
 598                     {
 599                         char percent[20];
 600                         E_(uri_extract_value)( p_request, "percent", percent, 512 );
 601                         sprintf( psz, "control %s seek %s", name, percent );
 602                     }
 603
 604                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 605                     /* FIXME do a vlm_answer -> var stack conversion */
 606                     vlm_MessageDelete( vlm_answer );
 607                     break;
 608                 }
 609                 case MVLC_VLM_LOAD:
 610                 case MVLC_VLM_SAVE:
 611                 {
 612                     vlm_message_t *vlm_answer;
 613                     char file[512];
 614                     char psz[512];
 615
 616                     if( p_intf->p_sys->p_vlm == NULL )
 617                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 618
 619                     if( p_intf->p_sys->p_vlm == NULL ) break;
 620
 621                     E_(uri_extract_value)( p_request, "file", file, 512 );
 622                     E_(uri_decode_url_encoded)( file );
 623
 624                     if( StrToMacroType( control ) == MVLC_VLM_LOAD )
 625                         sprintf( psz, "load %s", file );
 626                     else
 627                         sprintf( psz, "save %s", file );
 628
 629                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 630                     /* FIXME do a vlm_answer -> var stack conversion */
 631                     vlm_MessageDelete( vlm_answer );
 632                     break;
 633                 }
 634
 635                 default:
 636                     if( *control )
 637                     {
 638                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 639                     }
 640                     break;
 641             }
 642             break;
 643
 644         case MVLC_SET:
 645         {
 646             char    value[512];
 647             int     i;
 648             float   f;
 649
 650             if( i_request <= 0 ||
 651                 *m->param1  == '\0' ||
 652                 strstr( p_request, m->param1 ) == NULL )
 653             {
 654                 break;
 655             }
 656             E_(uri_extract_value)( p_request, m->param1,  value, 512 );
 657             E_(uri_decode_url_encoded)( value );
 658
 659             switch( StrToMacroType( m->param2 ) )
 660             {
 661                 case MVLC_INT:
 662                     i = atoi( value );
 663                     config_PutInt( p_intf, m->param1, i );
 664                     break;
 665                 case MVLC_FLOAT:
 666                     f = atof( value );
 667                     config_PutFloat( p_intf, m->param1, f );
 668                     break;
 669                 case MVLC_STRING:
 670                     config_PutPsz( p_intf, m->param1, value );
 671                     break;
 672                 default:
 673                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 674             }
 675             break;
 676         }
 677         case MVLC_GET:
 678         {
 679             char    value[512];
 680             int     i;
 681             float   f;
 682             char    *psz;
 683
 684             if( *m->param1  == '\0' )
 685             {
 686                 break;
 687             }
 688
 689             switch( StrToMacroType( m->param2 ) )
 690             {
 691                 case MVLC_INT:
 692                     i = config_GetInt( p_intf, m->param1 );
 693                     sprintf( value, "%d", i );
 694                     break;
 695                 case MVLC_FLOAT:
 696                     f = config_GetFloat( p_intf, m->param1 );
 697                     sprintf( value, "%f", f );
 698                     break;
 699                 case MVLC_STRING:
 700                     psz = config_GetPsz( p_intf, m->param1 );
 701                     if( psz != NULL )
 702                     {
 703                         strncpy( value, psz,sizeof( value ) );
 704                         free( psz );
 705                         value[sizeof( value ) - 1] = '\0';
 706                     }
 707                     else
 708                         *value = '\0';
 709                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 710                     break;
 711                 default:
 712                     snprintf( value, sizeof( value ),
 713                               "invalid type(%s) in set", m->param2 );
 714                     value[sizeof( value ) - 1] = '\0';
 715                     break;
 716             }
 717             PRINTS( "%s", value );
 718             break;
 719         }
 720         case MVLC_VALUE:
 721         {
 722             char *s, *v;
 723
 724             if( m->param1 )
 725             {
 726                 EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m->param1 );
 727                 s = SSPop( &p_args->stack );
 728                 v = mvar_GetValue( p_args->vars, s );
 729             }
 730             else
 731             {
 732                 v = s = SSPop( &p_args->stack );
 733             }
 734
 735             PRINTS( "%s", v );
 736             free( s );
 737             break;
 738         }
 739         case MVLC_RPN:
 740             EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m->param1 );
 741             break;
 742
 743         /* Useful to learn stack management */
 744         case MVLC_STACK:
 745         {
 746             int i;
 747             msg_Dbg( p_intf, "stack" );
 748             for (i=0;i<(&p_args->stack)->i_stack;i++)
 749                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 750             break;
 751         }
 752
 753         case MVLC_UNKNOWN:
 754         default:
 755             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 756             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 757             break;
 758     }
 759 #undef PRINTS
 760 #undef PRINT
 761 #undef ALLOC
 762 }
 763
 764 char *MacroSearch( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 765 {
 766     int     i_id;
 767     int     i_level = 0;
 768
 769     while( src < end )
 770     {
 771         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 772         {
 773             int i_skip;
 774             macro_t m;
 775
 776             i_skip = MacroParse( &m, src );
 777
 778             i_id = StrToMacroType( m.id );
 779
 780             switch( i_id )
 781             {
 782                 case MVLC_IF:
 783                 case MVLC_FOREACH:
 784                     i_level++;
 785                     break;
 786                 case MVLC_END:
 787                     i_level--;
 788                     break;
 789                 default:
 790                     break;
 791             }
 792
 793             MacroClean( &m );
 794
 795             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 796                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 797             {
 798                 return src + ( b_after ? i_skip : 0 );
 799             }
 800             else if( i_level < 0 )
 801             {
 802                 return NULL;
 803             }
 804
 805             src += i_skip;
 806         }
 807         else
 808         {
 809             src++;
 810         }
 811     }
 812
 813     return NULL;
 814 }
 815
 816 void E_(Execute)( httpd_file_sys_t *p_args,
 817                      char *p_request, int i_request,
 818                      char **pp_data, int *pi_data,
 819                      char **pp_dst,
 820                      char *_src, char *_end )
 821 {
 822     intf_thread_t  *p_intf = p_args->p_intf;
 823
 824     char *src, *dup, *end;
 825     char *dst = *pp_dst;
 826
 827     src = dup = malloc( _end - _src + 1 );
 828     end = src +( _end - _src );
 829
 830     memcpy( src, _src, _end - _src );
 831     *end = '\0';
 832
 833     /* we parse searching <vlc */
 834     while( src < end )
 835     {
 836         char *p;
 837         int i_copy;
 838
 839         p = (char *)strstr( (char *)src, "<vlc" );
 840         if( p < end && p == src )
 841         {
 842             macro_t m;
 843
 844             src += MacroParse( &m, src );
 845
 846             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 847
 848             switch( StrToMacroType( m.id ) )
 849             {
 850                 case MVLC_INCLUDE:
 851                 {
 852                     FILE *f;
 853                     int  i_buffer;
 854                     char *p_buffer;
 855                     char psz_file[MAX_DIR_SIZE];
 856                     char *p;
 857
 858                     if( m.param1[0] != '/' )
 859                     {
 860                         strcpy( psz_file, p_args->file );
 861                         p = strrchr( psz_file, '/' );
 862                         if( p != NULL )
 863                             strcpy( p + 1, m.param1 );
 864                         else
 865                             strcpy( psz_file, m.param1 );
 866                     }
 867                     else
 868                     {
 869                         strcpy( psz_file, m.param1 );
 870                     }
 871
 872                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 873                     {
 874                         msg_Warn( p_args->p_intf,
 875                                   "unable to include file %s (%s)",
 876                                   psz_file, strerror(errno) );
 877                         break;
 878                     }
 879
 880                     /* first we load in a temporary buffer */
 881                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 882
 883                     /* we parse executing all  <vlc /> macros */
 884                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 885                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 886                     free( p_buffer );
 887                     fclose(f);
 888                     break;
 889                 }
 890                 case MVLC_IF:
 891                 {
 892                     vlc_bool_t i_test;
 893                     char    *endif;
 894
 895                     EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m.param1 );
 896                     if( SSPopN( &p_args->stack, p_args->vars ) )
 897                     {
 898                         i_test = 1;
 899                     }
 900                     else
 901                     {
 902                         i_test = 0;
 903                     }
 904                     endif = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 905
 906                     if( i_test == 0 )
 907                     {
 908                         char *start = MacroSearch( src, endif, MVLC_ELSE, VLC_TRUE );
 909
 910                         if( start )
 911                         {
 912                             char *stop  = MacroSearch( start, endif, MVLC_END, VLC_FALSE );
 913                             if( stop )
 914                             {
 915                                 E_(Execute)( p_args, p_request, i_request,
 916                                          pp_data, pi_data, &dst, start, stop );
 917                             }
 918                         }
 919                     }
 920                     else if( i_test == 1 )
 921                     {
 922                         char *stop;
 923                         if( ( stop = MacroSearch( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 924                         {
 925                             stop = MacroSearch( src, endif, MVLC_END, VLC_FALSE );
 926                         }
 927                         if( stop )
 928                         {
 929                             E_(Execute)( p_args, p_request, i_request,
 930                                      pp_data, pi_data, &dst, src, stop );
 931                         }
 932                     }
 933
 934                     src = endif;
 935                     break;
 936                 }
 937                 case MVLC_FOREACH:
 938                 {
 939                     char *endfor = MacroSearch( src, end, MVLC_END, VLC_TRUE );
 940                     char *start = src;
 941                     char *stop = MacroSearch( src, end, MVLC_END, VLC_FALSE );
 942
 943                     if( stop )
 944                     {
 945                         mvar_t *index;
 946                         int    i_idx;
 947                         mvar_t *v;
 948                         if( !strcmp( m.param2, "integer" ) )
 949                         {
 950                             char *arg = SSPop( &p_args->stack );
 951                             index = mvar_IntegerSetNew( m.param1, arg );
 952                             free( arg );
 953                         }
 954                         else if( !strcmp( m.param2, "directory" ) )
 955                         {
 956                             char *arg = SSPop( &p_args->stack );
 957                             index = mvar_FileSetNew( p_intf, m.param1, arg );
 958                             free( arg );
 959                         }
 960                         else if( !strcmp( m.param2, "playlist" ) )
 961                         {
 962                             index = mvar_PlaylistSetNew( p_intf, m.param1,
 963                                                     p_intf->p_sys->p_playlist );
 964                         }
 965                         else if( !strcmp( m.param2, "information" ) )
 966                         {
 967                             index = mvar_InfoSetNew( p_intf, m.param1,
 968                                                      p_intf->p_sys->p_input );
 969                         }
 970                         else if( !strcmp( m.param2, "program" )
 971                                   || !strcmp( m.param2, "title" )
 972                                   || !strcmp( m.param2, "chapter" )
 973                                   || !strcmp( m.param2, "audio-es" )
 974                                   || !strcmp( m.param2, "video-es" )
 975                                   || !strcmp( m.param2, "spu-es" ) )
 976                         {
 977                             index = mvar_InputVarSetNew( p_intf, m.param1,
 978                                                          p_intf->p_sys->p_input,
 979                                                          m.param2 );
 980                         }
 981                         else if( !strcmp( m.param2, "vlm" ) )
 982                         {
 983                             if( p_intf->p_sys->p_vlm == NULL )
 984                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
 985                             index = mvar_VlmSetNew( m.param1, p_intf->p_sys->p_vlm );
 986                         }
 987 #if 0
 988                         else if( !strcmp( m.param2, "hosts" ) )
 989                         {
 990                             index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
 991                         }
 992                         else if( !strcmp( m.param2, "urls" ) )
 993                         {
 994                             index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
 995                         }
 996                         else if( !strcmp( m.param2, "connections" ) )
 997                         {
 998                             index = mvar_HttpdInfoSetNew(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
 999                         }
1000 #endif
1001                         else if( ( v = mvar_GetVar( p_args->vars, m.param2 ) ) )
1002                         {
1003                             index = mvar_Duplicate( v );
1004                         }
1005                         else
1006                         {
1007                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1008                             src = endfor;
1009                             break;
1010                         }
1011
1012                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1013                         {
1014                             mvar_t *f = mvar_Duplicate( index->field[i_idx] );
1015
1016                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1017
1018                             free( f->name );
1019                             f->name = strdup( m.param1 );
1020
1021
1022                             mvar_PushVar( p_args->vars, f );
1023                             E_(Execute)( p_args, p_request, i_request,
1024                                      pp_data, pi_data, &dst, start, stop );
1025                             mvar_RemoveVar( p_args->vars, f );
1026
1027                             mvar_Delete( f );
1028                         }
1029                         mvar_Delete( index );
1030
1031                         src = endfor;
1032                     }
1033                     break;
1034                 }
1035                 default:
1036                     MacroDo( p_args, &m, p_request, i_request,
1037                              pp_data, pi_data, &dst );
1038                     break;
1039             }
1040
1041             MacroClean( &m );
1042             continue;
1043         }
1044
1045         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1046         if( i_copy > 0 )
1047         {
1048             int i_index = dst - *pp_data;
1049
1050             *pi_data += i_copy;
1051             *pp_data = realloc( *pp_data, *pi_data );
1052             dst = (*pp_data) + i_index;
1053
1054             memcpy( dst, src, i_copy );
1055             dst += i_copy;
1056             src += i_copy;
1057         }
1058     }
1059
1060     *pp_dst = dst;
1061     free( dup );
1062 }