git.sesse.net Git - vlc/blob - modules/control/http/macro.c

   1 /*****************************************************************************
   2  * macro.c : Custom <vlc> macro handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *          Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #include "http.h"
  27 #include "macros.h"
  28
  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                     decode_URI( 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                     decode_URI( 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], tmp[1024];
 305                     char *p, *str;
 306                     input_item_t *p_input;
 307
 308                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 309                     decode_URI( tmp );
 310                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 311                     decode_URI( psz_name );
 312                     if( !*psz_name )
 313                     {
 314                         memcpy( psz_name, tmp, 1024 );
 315                     }
 316                     /* addslashes for backward compatibility with the old
 317                      * http intf */
 318                     p = mrl; str = tmp;
 319                     while( *str != '\0' )
 320                     {
 321                         if( *str == '"' || *str == '\'' || *str == '\\' )
 322                         {
 323                             *p++ = '\\';
 324                         }
 325                         *p++ = *str;
 326                         str++;
 327                     }
 328                     *p = '\0';
 329
 330                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 331
 332                     if( !p_input || p_input->psz_uri ||
 333                         !*p_input->psz_uri )
 334                     {
 335                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 336                     }
 337                     else
 338                     {
 339                         playlist_PlaylistAddInput( p_sys->p_playlist, p_input,
 340                                           PLAYLIST_APPEND, PLAYLIST_END );
 341                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 342                     }
 343
 344                     break;
 345                 }
 346                 case MVLC_DEL:
 347                 {
 348                     int i_item, *p_items = NULL, i_nb_items = 0;
 349                     char item[512], *p_parser = p_request;
 350
 351                     /* Get the list of items to delete */
 352                     while( (p_parser =
 353                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 354                     {
 355                         if( !*item ) continue;
 356
 357                         i_item = atoi( item );
 358                         p_items = realloc( p_items, (i_nb_items + 1) *
 359                                            sizeof(int) );
 360                         p_items[i_nb_items] = i_item;
 361                         i_nb_items++;
 362                     }
 363
 364                     if( i_nb_items )
 365                     {
 366                         int i;
 367                         for( i = 0; i < i_nb_items; i++ )
 368                         {
 369                             playlist_LockDelete( p_sys->p_playlist, p_items[i] );
 370                             msg_Dbg( p_intf, "requested playlist delete: %d",
 371                                      p_items[i] );
 372                             p_items[i] = -1;
 373                         }
 374                     }
 375
 376                     if( p_items ) free( p_items );
 377                     break;
 378                 }
 379                 case MVLC_KEEP:
 380                 {
 381                     int i_item, *p_items = NULL, i_nb_items = 0;
 382                     char item[512], *p_parser = p_request;
 383                     int i,j;
 384
 385                     /* Get the list of items to keep */
 386                     while( (p_parser =
 387                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 388                     {
 389                         if( !*item ) continue;
 390
 391                         i_item = atoi( item );
 392                         p_items = realloc( p_items, (i_nb_items + 1) *
 393                                            sizeof(int) );
 394                         p_items[i_nb_items] = i_item;
 395                         i_nb_items++;
 396                     }
 397
 398                     for( i = p_sys->p_playlist->i_size - 1 ; i >= 0; i-- )
 399                     {
 400                         /* Check if the item is in the keep list */
 401                         for( j = 0 ; j < i_nb_items ; j++ )
 402                         {
 403                             if( p_items[j] ==
 404                                 p_sys->p_playlist->pp_items[i]->p_input->i_id )
 405                                 break;
 406                         }
 407                         if( j == i_nb_items )
 408                         {
 409                             playlist_LockDelete( p_sys->p_playlist,
 410                             p_sys->p_playlist->pp_items[i]->p_input->i_id );
 411                             msg_Dbg( p_intf, "requested playlist delete: %d",
 412                                      i );
 413                         }
 414                     }
 415
 416                     if( p_items ) free( p_items );
 417                     break;
 418                 }
 419                 case MVLC_EMPTY:
 420                 {
 421                     playlist_LockClear( p_sys->p_playlist );
 422                     msg_Dbg( p_intf, "requested playlist empty" );
 423                     break;
 424                 }
 425                 case MVLC_SORT:
 426                 {
 427                     char type[12];
 428                     char order[2];
 429                     char item[512];
 430                     int i_order;
 431                     int i_item;
 432
 433                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 434                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 435                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 436                     i_item = atoi( item );
 437
 438                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 439                     else i_order = ORDER_REVERSE;
 440
 441                     if( !strcmp( type , "title" ) )
 442                     {
 443                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 444                                                     /* Ugly hack,but not worse than before ... */
 445                                                     p_sys->p_playlist->p_root_onelevel,
 446                                                     SORT_TITLE_NODES_FIRST,
 447                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 448                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 449                     }
 450                     else if( !strcmp( type , "author" ) )
 451                     {
 452                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 453                                                     p_sys->p_playlist->p_root_onelevel,
 454                                                     SORT_AUTHOR,
 455                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 456                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 457                     }
 458                     else if( !strcmp( type , "shuffle" ) )
 459                     {
 460                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 461                                                     p_sys->p_playlist->p_root_onelevel,
 462                                                     SORT_RANDOM,
 463                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 464                         msg_Dbg( p_intf, "requested playlist shuffle");
 465                     }
 466
 467                     break;
 468                 }
 469                 case MVLC_MOVE:
 470                 {
 471                     char psz_pos[6];
 472                     char psz_newpos[6];
 473                     int i_pos;
 474                     int i_newpos;
 475                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 476                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 477                     i_pos = atoi( psz_pos );
 478                     i_newpos = atoi( psz_newpos );
 479                     /* FIXME FIXME TODO TODO XXX XXX
 480                     ( duplicate from rpn.c )
 481                     if ( i_pos < i_newpos )
 482                     {
 483                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 484                     }
 485                     else
 486                     {
 487                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 488                     }
 489                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 490                     FIXME FIXME TODO TODO XXX XXX */
 491                     break;
 492                 }
 493
 494                 /* admin function */
 495                 case MVLC_CLOSE:
 496                 {
 497                     char id[512];
 498                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 499                     msg_Dbg( p_intf, "requested close id=%s", id );
 500 #if 0
 501                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 502                     {
 503                         msg_Warn( p_intf, "close failed for id=%s", id );
 504                     }
 505 #endif
 506                     break;
 507                 }
 508                 case MVLC_SHUTDOWN:
 509                 {
 510                     msg_Dbg( p_intf, "requested shutdown" );
 511                     p_intf->p_vlc->b_die = VLC_TRUE;
 512                     break;
 513                 }
 514                 /* vlm */
 515                 case MVLC_VLM_NEW:
 516                 case MVLC_VLM_SETUP:
 517                 {
 518                     static const char *vlm_properties[11] =
 519                     {
 520                         /* no args */
 521                         "enabled", "disabled", "loop", "unloop",
 522                         /* args required */
 523                         "input", "output", "option", "date", "period", "repeat", "append",
 524                     };
 525                     vlm_message_t *vlm_answer;
 526                     char name[512];
 527                     char *psz = malloc( strlen( p_request ) + 1000 );
 528                     char *p = psz;
 529                     char *vlm_error;
 530                     int i;
 531
 532                     if( p_intf->p_sys->p_vlm == NULL )
 533                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 534
 535                     if( p_intf->p_sys->p_vlm == NULL ) break;
 536
 537                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 538                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 539                     {
 540                         char type[20];
 541                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 542                         p += sprintf( psz, "new %s %s", name, type );
 543                     }
 544                     else
 545                     {
 546                         p += sprintf( psz, "setup %s", name );
 547                     }
 548                     /* Parse the request */
 549                     for( i = 0; i < 11; i++ )
 550                     {
 551                         char val[512];
 552                         E_(ExtractURIValue)( p_request,
 553                                                vlm_properties[i], val, 512 );
 554                         decode_URI( val );
 555                         if( strlen( val ) > 0 && i >= 4 )
 556                         {
 557                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 558                         }
 559                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 560                         {
 561                             p += sprintf( p, " %s", vlm_properties[i] );
 562                         }
 563                     }
 564                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 565                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 566                     {
 567                         vlm_error = strdup( "" );
 568                     }
 569                     else
 570                     {
 571                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 572                                             strlen(vlm_answer->psz_value) +
 573                                             strlen( " : ") + 1 );
 574                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 575                                                          vlm_answer->psz_value );
 576                     }
 577
 578                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 579
 580                     vlm_MessageDelete( vlm_answer );
 581                     free( vlm_error );
 582                     free( psz );
 583                     break;
 584                 }
 585
 586                 case MVLC_VLM_DEL:
 587                 {
 588                     vlm_message_t *vlm_answer;
 589                     char name[512];
 590                     char psz[512+10];
 591                     if( p_intf->p_sys->p_vlm == NULL )
 592                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 593
 594                     if( p_intf->p_sys->p_vlm == NULL ) break;
 595
 596                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 597                     sprintf( psz, "del %s", name );
 598
 599                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 600                     /* FIXME do a vlm_answer -> var stack conversion */
 601                     vlm_MessageDelete( vlm_answer );
 602                     break;
 603                 }
 604
 605                 case MVLC_VLM_PLAY:
 606                 case MVLC_VLM_PAUSE:
 607                 case MVLC_VLM_STOP:
 608                 case MVLC_VLM_SEEK:
 609                 {
 610                     vlm_message_t *vlm_answer;
 611                     char name[512];
 612                     char psz[512+10];
 613                     if( p_intf->p_sys->p_vlm == NULL )
 614                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 615
 616                     if( p_intf->p_sys->p_vlm == NULL ) break;
 617
 618                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 619                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 620                         sprintf( psz, "control %s play", name );
 621                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 622                         sprintf( psz, "control %s pause", name );
 623                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 624                         sprintf( psz, "control %s stop", name );
 625                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 626                     {
 627                         char percent[20];
 628                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 629                         sprintf( psz, "control %s seek %s", name, percent );
 630                     }
 631
 632                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 633                     /* FIXME do a vlm_answer -> var stack conversion */
 634                     vlm_MessageDelete( vlm_answer );
 635                     break;
 636                 }
 637                 case MVLC_VLM_LOAD:
 638                 case MVLC_VLM_SAVE:
 639                 {
 640                     vlm_message_t *vlm_answer;
 641                     char file[512];
 642                     char psz[512];
 643
 644                     if( p_intf->p_sys->p_vlm == NULL )
 645                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 646
 647                     if( p_intf->p_sys->p_vlm == NULL ) break;
 648
 649                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 650                     decode_URI( file );
 651
 652                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 653                         sprintf( psz, "load %s", file );
 654                     else
 655                         sprintf( psz, "save %s", file );
 656
 657                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 658                     /* FIXME do a vlm_answer -> var stack conversion */
 659                     vlm_MessageDelete( vlm_answer );
 660                     break;
 661                 }
 662
 663                 default:
 664                     if( *control )
 665                     {
 666                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 667                     }
 668                     break;
 669             }
 670             break;
 671
 672         case MVLC_SET:
 673         {
 674             char    value[512];
 675             int     i;
 676             float   f;
 677
 678             if( i_request <= 0 ||
 679                 *m->param1  == '\0' ||
 680                 strstr( p_request, m->param1 ) == NULL )
 681             {
 682                 break;
 683             }
 684             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 685             decode_URI( value );
 686
 687             switch( E_(StrToMacroType)( m->param2 ) )
 688             {
 689                 case MVLC_INT:
 690                     i = atoi( value );
 691                     config_PutInt( p_intf, m->param1, i );
 692                     break;
 693                 case MVLC_FLOAT:
 694                     f = atof( value );
 695                     config_PutFloat( p_intf, m->param1, f );
 696                     break;
 697                 case MVLC_STRING:
 698                     config_PutPsz( p_intf, m->param1, value );
 699                     break;
 700                 default:
 701                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 702             }
 703             break;
 704         }
 705         case MVLC_GET:
 706         {
 707             char    value[512];
 708             int     i;
 709             float   f;
 710             char    *psz;
 711             lldiv_t div;
 712
 713             if( *m->param1  == '\0' )
 714             {
 715                 break;
 716             }
 717
 718             switch( E_(StrToMacroType)( m->param2 ) )
 719             {
 720                 case MVLC_INT:
 721                     i = config_GetInt( p_intf, m->param1 );
 722                     sprintf( value, "%d", i );
 723                     break;
 724                 case MVLC_FLOAT:
 725                     f = config_GetFloat( p_intf, m->param1 );
 726                     div = lldiv( f * 1000000 , 1000000 );
 727                     sprintf( value, I64Fd".%06u", div.quot,
 728                             (unsigned int)div.rem );
 729                     break;
 730                 case MVLC_STRING:
 731                     psz = config_GetPsz( p_intf, m->param1 );
 732                     if( psz != NULL )
 733                     {
 734                         strlcpy( value, psz,sizeof( value ) );
 735                         free( psz );
 736                     }
 737                     else
 738                         *value = '\0';
 739                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 740                     break;
 741                 default:
 742                     snprintf( value, sizeof( value ),
 743                               "invalid type(%s) in set", m->param2 );
 744                     break;
 745             }
 746             PRINTS( "%s", value );
 747             break;
 748         }
 749         case MVLC_VALUE:
 750         {
 751             char *s, *v;
 752
 753             if( m->param1 )
 754             {
 755                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 756                 s = E_(SSPop)( &p_args->stack );
 757                 v = E_(mvar_GetValue)( p_args->vars, s );
 758             }
 759             else
 760             {
 761                 v = s = E_(SSPop)( &p_args->stack );
 762             }
 763
 764             PRINTS( "%s", v );
 765             free( s );
 766             break;
 767         }
 768         case MVLC_RPN:
 769             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 770             break;
 771
 772         /* Useful to learn stack management */
 773         case MVLC_STACK:
 774         {
 775             int i;
 776             msg_Dbg( p_intf, "stack" );
 777             for (i=0;i<(&p_args->stack)->i_stack;i++)
 778                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 779             break;
 780         }
 781
 782         case MVLC_UNKNOWN:
 783         default:
 784             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 785             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 786             break;
 787     }
 788 #undef PRINTS
 789 #undef PRINT
 790 #undef ALLOC
 791 }
 792
 793 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 794 {
 795     int     i_id;
 796     int     i_level = 0;
 797
 798     while( src < end )
 799     {
 800         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 801         {
 802             int i_skip;
 803             macro_t m;
 804
 805             i_skip = E_(MacroParse)( &m, src );
 806
 807             i_id = E_(StrToMacroType)( m.id );
 808
 809             switch( i_id )
 810             {
 811                 case MVLC_IF:
 812                 case MVLC_FOREACH:
 813                     i_level++;
 814                     break;
 815                 case MVLC_END:
 816                     i_level--;
 817                     break;
 818                 default:
 819                     break;
 820             }
 821
 822             E_(MacroClean)( &m );
 823
 824             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 825                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 826             {
 827                 return src + ( b_after ? i_skip : 0 );
 828             }
 829             else if( i_level < 0 )
 830             {
 831                 return NULL;
 832             }
 833
 834             src += i_skip;
 835         }
 836         else
 837         {
 838             src++;
 839         }
 840     }
 841
 842     return NULL;
 843 }
 844
 845 void E_(Execute)( httpd_file_sys_t *p_args,
 846                      char *p_request, int i_request,
 847                      char **pp_data, int *pi_data,
 848                      char **pp_dst,
 849                      char *_src, char *_end )
 850 {
 851     intf_thread_t  *p_intf = p_args->p_intf;
 852
 853     char *src, *dup, *end;
 854     char *dst = *pp_dst;
 855
 856     src = dup = malloc( _end - _src + 1 );
 857     end = src +( _end - _src );
 858
 859     memcpy( src, _src, _end - _src );
 860     *end = '\0';
 861
 862     /* we parse searching <vlc */
 863     while( src < end )
 864     {
 865         char *p;
 866         int i_copy;
 867
 868         p = (char *)strstr( (char *)src, "<vlc" );
 869         if( p < end && p == src )
 870         {
 871             macro_t m;
 872
 873             src += E_(MacroParse)( &m, src );
 874
 875             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 876
 877             switch( E_(StrToMacroType)( m.id ) )
 878             {
 879                 case MVLC_INCLUDE:
 880                 {
 881                     FILE *f;
 882                     int  i_buffer;
 883                     char *p_buffer;
 884                     char psz_file[MAX_DIR_SIZE];
 885                     char *p;
 886                     char sep;
 887
 888 #if defined( WIN32 )
 889                     sep = '\\';
 890 #else
 891                     sep = '/';
 892 #endif
 893
 894                     if( m.param1[0] != sep )
 895                     {
 896                         strcpy( psz_file, p_args->file );
 897                         p = strrchr( psz_file, sep );
 898                         if( p != NULL )
 899                             strcpy( p + 1, m.param1 );
 900                         else
 901                             strcpy( psz_file, m.param1 );
 902                     }
 903                     else
 904                     {
 905                         strcpy( psz_file, m.param1 );
 906                     }
 907
 908                     /* We hereby assume that psz_file is in the
 909                      * local character encoding */
 910                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 911                     {
 912                         msg_Warn( p_args->p_intf,
 913                                   "unable to include file %s (%s)",
 914                                   psz_file, strerror(errno) );
 915                         break;
 916                     }
 917
 918                     /* first we load in a temporary buffer */
 919                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 920
 921                     /* we parse executing all  <vlc /> macros */
 922                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 923                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 924                     free( p_buffer );
 925                     fclose(f);
 926                     break;
 927                 }
 928                 case MVLC_IF:
 929                 {
 930                     vlc_bool_t i_test;
 931                     char    *endif;
 932
 933                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 934                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 935                     {
 936                         i_test = 1;
 937                     }
 938                     else
 939                     {
 940                         i_test = 0;
 941                     }
 942                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 943
 944                     if( i_test == 0 )
 945                     {
 946                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 947
 948                         if( start )
 949                         {
 950                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 951                             if( stop )
 952                             {
 953                                 E_(Execute)( p_args, p_request, i_request,
 954                                          pp_data, pi_data, &dst, start, stop );
 955                             }
 956                         }
 957                     }
 958                     else if( i_test == 1 )
 959                     {
 960                         char *stop;
 961                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 962                         {
 963                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 964                         }
 965                         if( stop )
 966                         {
 967                             E_(Execute)( p_args, p_request, i_request,
 968                                      pp_data, pi_data, &dst, src, stop );
 969                         }
 970                     }
 971
 972                     src = endif;
 973                     break;
 974                 }
 975                 case MVLC_FOREACH:
 976                 {
 977                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 978                     char *start = src;
 979                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 980
 981                     if( stop )
 982                     {
 983                         mvar_t *index;
 984                         int    i_idx;
 985                         mvar_t *v;
 986                         if( !strcmp( m.param2, "integer" ) )
 987                         {
 988                             char *arg = E_(SSPop)( &p_args->stack );
 989                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
 990                             free( arg );
 991                         }
 992                         else if( !strcmp( m.param2, "directory" ) )
 993                         {
 994                             char *arg = E_(SSPop)( &p_args->stack );
 995                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
 996                             free( arg );
 997                         }
 998                         else if( !strcmp( m.param2, "object" ) )
 999                         {
1000                             char *arg = E_(SSPop)( &p_args->stack );
1001                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1002                             free( arg );
1003                         }
1004                         else if( !strcmp( m.param2, "playlist" ) )
1005                         {
1006                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1007                                                     p_intf->p_sys->p_playlist );
1008                         }
1009                         else if( !strcmp( m.param2, "information" ) )
1010                         {
1011                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1012                                                      p_intf->p_sys->p_input );
1013                         }
1014                         else if( !strcmp( m.param2, "program" )
1015                                   || !strcmp( m.param2, "title" )
1016                                   || !strcmp( m.param2, "chapter" )
1017                                   || !strcmp( m.param2, "audio-es" )
1018                                   || !strcmp( m.param2, "video-es" )
1019                                   || !strcmp( m.param2, "spu-es" ) )
1020                         {
1021                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1022                                                          p_intf->p_sys->p_input,
1023                                                          m.param2 );
1024                         }
1025                         else if( !strcmp( m.param2, "vlm" ) )
1026                         {
1027                             if( p_intf->p_sys->p_vlm == NULL )
1028                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1029                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1030                         }
1031 #if 0
1032                         else if( !strcmp( m.param2, "hosts" ) )
1033                         {
1034                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1035                         }
1036                         else if( !strcmp( m.param2, "urls" ) )
1037                         {
1038                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1039                         }
1040                         else if( !strcmp( m.param2, "connections" ) )
1041                         {
1042                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1043                         }
1044 #endif
1045                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1046                         {
1047                             index = E_(mvar_Duplicate)( v );
1048                         }
1049                         else
1050                         {
1051                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1052                             src = endfor;
1053                             break;
1054                         }
1055
1056                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1057                         {
1058                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1059
1060                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1061
1062                             free( f->name );
1063                             f->name = strdup( m.param1 );
1064
1065
1066                             E_(mvar_PushVar)( p_args->vars, f );
1067                             E_(Execute)( p_args, p_request, i_request,
1068                                      pp_data, pi_data, &dst, start, stop );
1069                             E_(mvar_RemoveVar)( p_args->vars, f );
1070
1071                             E_(mvar_Delete)( f );
1072                         }
1073                         E_(mvar_Delete)( index );
1074
1075                         src = endfor;
1076                     }
1077                     break;
1078                 }
1079                 default:
1080                     E_(MacroDo)( p_args, &m, p_request, i_request,
1081                                  pp_data, pi_data, &dst );
1082                     break;
1083             }
1084
1085             E_(MacroClean)( &m );
1086             continue;
1087         }
1088
1089         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1090         if( i_copy > 0 )
1091         {
1092             int i_index = dst - *pp_data;
1093
1094             *pi_data += i_copy;
1095             *pp_data = realloc( *pp_data, *pi_data );
1096             dst = (*pp_data) + i_index;
1097
1098             memcpy( dst, src, i_copy );
1099             dst += i_copy;
1100             src += i_copy;
1101         }
1102     }
1103
1104     *pp_dst = dst;
1105     free( dup );
1106 }