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