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

   1 /*****************************************************************************
   2  * macro.c : Custom <vlc> macro handling
   3  *****************************************************************************
   4  * Copyright (C) 2001-2005 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *          Laurent Aimar <fenrir@via.ecp.fr>
   9  *          Christophe Massiot <massiot@via.ecp.fr>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include "http.h"
  30 #include "macros.h"
  31 #include <vlc_url.h>
  32
  33 static int MacroParse( macro_t *m, char *psz_src )
  34 {
  35     char *dup = strdup( (char *)psz_src );
  36     char *src = dup;
  37     char *p;
  38     int     i_skip;
  39
  40 #define EXTRACT( name, l ) \
  41         src += l;    \
  42         p = strchr( src, '"' );             \
  43         if( p )                             \
  44         {                                   \
  45             *p++ = '\0';                    \
  46         }                                   \
  47         m->name = strdup( src );            \
  48         if( !p )                            \
  49         {                                   \
  50             break;                          \
  51         }                                   \
  52         src = p;
  53
  54     /* init m */
  55     m->id = NULL;
  56     m->param1 = NULL;
  57     m->param2 = NULL;
  58
  59     /* parse */
  60     src += 4;
  61
  62     while( *src )
  63     {
  64         while( *src == ' ')
  65         {
  66             src++;
  67         }
  68         if( !strncmp( src, "id=\"", 4 ) )
  69         {
  70             EXTRACT( id, 4 );
  71         }
  72         else if( !strncmp( src, "param1=\"", 8 ) )
  73         {
  74             EXTRACT( param1, 8 );
  75         }
  76         else if( !strncmp( src, "param2=\"", 8 ) )
  77         {
  78             EXTRACT( param2, 8 );
  79         }
  80         else
  81         {
  82             break;
  83         }
  84     }
  85     if( strstr( src, "/>" ) )
  86     {
  87         src = strstr( src, "/>" ) + 2;
  88     }
  89     else
  90     {
  91         src += strlen( src );
  92     }
  93
  94     if( m->id == NULL )
  95     {
  96         m->id = strdup( "" );
  97     }
  98     if( m->param1 == NULL )
  99     {
 100         m->param1 = strdup( "" );
 101     }
 102     if( m->param2 == NULL )
 103     {
 104         m->param2 = strdup( "" );
 105     }
 106     i_skip = src - dup;
 107
 108     free( dup );
 109     return i_skip;
 110 #undef EXTRACT
 111 }
 112
 113 static void MacroClean( macro_t *m )
 114 {
 115     free( m->id );
 116     free( m->param1 );
 117     free( m->param2 );
 118 }
 119
 120 static int StrToMacroType( const char *name )
 121 {
 122     int i;
 123
 124     if( !name || *name == '\0')
 125     {
 126         return MVLC_UNKNOWN;
 127     }
 128     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 129     {
 130         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 131         {
 132             return StrToMacroTypeTab[i].i_type;
 133         }
 134     }
 135     return MVLC_UNKNOWN;
 136 }
 137
 138 static void MacroDo( httpd_file_sys_t *p_args,
 139                      macro_t *m,
 140                      char *p_request, int i_request,
 141                      char **pp_data,  int *pi_data,
 142                      char **pp_dst )
 143 {
 144     intf_thread_t  *p_intf = p_args->p_intf;
 145     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 146     char control[512];
 147
 148 #define ALLOC( l ) \
 149     {               \
 150         int __i__ = *pp_dst - *pp_data; \
 151         *pi_data += (l);                  \
 152         *pp_data = xrealloc( *pp_data, *pi_data );   \
 153         *pp_dst = (*pp_data) + __i__;   \
 154     }
 155 #define PRINT( str ) \
 156     ALLOC( strlen( str ) + 1 ); \
 157     *pp_dst += sprintf( *pp_dst, "%s", str );
 158
 159 #define PRINTS( str, s ) \
 160     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 161     { \
 162         char * psz_cur = *pp_dst; \
 163         *pp_dst += sprintf( *pp_dst, str, s ); \
 164         while( psz_cur && *psz_cur ) \
 165         {  \
 166             /* Prevent script injection */ \
 167             if( *psz_cur == '<' ) *psz_cur = '*'; \
 168             if( *psz_cur == '>' ) *psz_cur = '*'; \
 169             psz_cur++ ; \
 170         } \
 171     }
 172
 173     switch( StrToMacroType( m->id ) )
 174     {
 175         case MVLC_CONTROL:
 176             if( i_request <= 0 )
 177             {
 178                 break;
 179             }
 180             ExtractURIValue( p_request, "control", control, 512 );
 181             if( *m->param1 && !strstr( m->param1, control ) )
 182             {
 183                 msg_Warn( p_intf, "unauthorized control=%s", control );
 184                 break;
 185             }
 186             switch( StrToMacroType( control ) )
 187             {
 188                 case MVLC_PLAY:
 189                 {
 190                     int i_item;
 191                     char item[512];
 192
 193                     ExtractURIValue( p_request, "item", item, 512 );
 194                     i_item = atoi( item );
 195                     /* id = 0 : simply ask playlist to play */
 196                     if( i_item == 0 )
 197                     {
 198                         playlist_Play( p_sys->p_playlist );
 199                         msg_Dbg( p_intf, "requested playlist play" );
 200                         break;
 201                     }
 202                     //TODO: really locked here ?
 203                     playlist_Control( p_sys->p_playlist, PLAYLIST_VIEWPLAY,
 204                                       true, NULL,
 205                                       playlist_ItemGetById( p_sys->p_playlist,
 206                                       i_item ) );
 207                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 208                     break;
 209                 }
 210                 case MVLC_STOP:
 211                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP,
 212                                       true );
 213                     msg_Dbg( p_intf, "requested playlist stop" );
 214                     break;
 215                 case MVLC_PAUSE:
 216                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE,
 217                                       true );
 218                     msg_Dbg( p_intf, "requested playlist pause" );
 219                     break;
 220                 case MVLC_NEXT:
 221                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 222                                       true, 1 );
 223                     msg_Dbg( p_intf, "requested playlist next" );
 224                     break;
 225                 case MVLC_PREVIOUS:
 226                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 227                                       true, -1 );
 228                     msg_Dbg( p_intf, "requested playlist previous" );
 229                     break;
 230                 case MVLC_FULLSCREEN:
 231                     if( p_sys->p_input )
 232                     {
 233                         bool fs = var_ToggleBool( p_sys->p_playlist,
 234                                                   "fullscreen" );
 235                         vout_thread_t *p_vout = input_GetVout( p_sys->p_input );
 236                         if( p_vout )
 237                         {
 238                             var_SetBool( p_vout, "fullscreen", fs );
 239                             vlc_object_release( p_vout );
 240                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 241                         }
 242                     }
 243                     break;
 244                 case MVLC_SEEK:
 245                 {
 246                     char value[30];
 247                     ExtractURIValue( p_request, "seek_value", value, 30 );
 248                     decode_URI( value );
 249                     HandleSeek( p_intf, value );
 250                     break;
 251                 }
 252                 case MVLC_VOLUME:
 253                 {
 254                     char vol[8];
 255                     audio_volume_t i_volume;
 256                     int i_value;
 257
 258                     ExtractURIValue( p_request, "value", vol, 8 );
 259                     aout_VolumeGet( p_sys->p_playlist, &i_volume );
 260                     decode_URI( vol );
 261
 262                     if( vol[0] == '+' )
 263                     {
 264                         i_value = atoi( vol + 1 );
 265                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 266                         {
 267                             aout_VolumeSet( p_sys->p_playlist, AOUT_VOLUME_MAX );
 268                             msg_Dbg( p_intf, "requested volume set: max" );
 269                         }
 270                         else
 271                         {
 272                             aout_VolumeSet( p_sys->p_playlist, (i_volume + i_value) );
 273                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 274                         }
 275                     }
 276                     else if( vol[0] == '-' )
 277                     {
 278                         i_value = atoi( vol + 1 );
 279                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 280                         {
 281                             aout_VolumeSet( p_sys->p_playlist, AOUT_VOLUME_MIN );
 282                             msg_Dbg( p_intf, "requested volume set: min" );
 283                         }
 284                         else
 285                         {
 286                             aout_VolumeSet( p_sys->p_playlist, (i_volume - i_value) );
 287                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 288                         }
 289                     }
 290                     else if( strstr(vol, "%") != NULL )
 291                     {
 292                         i_value = atoi( vol );
 293                         if( (i_value <= 400) && (i_value>=0) ){
 294                             aout_VolumeSet( p_sys->p_playlist, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 295                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 296                         }
 297                     }
 298                     else
 299                     {
 300                         i_value = atoi( vol );
 301                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 302                         {
 303                             aout_VolumeSet( p_sys->p_playlist, atoi( vol ) );
 304                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 305                         }
 306                     }
 307                     break;
 308                 }
 309
 310                 /* playlist management */
 311                 case MVLC_ADD:
 312                 {
 313                     char mrl[1024], psz_name[1024], tmp[1024];
 314                     char *p, *str;
 315                     input_item_t *p_input;
 316
 317                     ExtractURIValue( p_request, "mrl", tmp, 1024 );
 318                     decode_URI( tmp );
 319                     ExtractURIValue( p_request, "name", psz_name, 1024 );
 320                     decode_URI( psz_name );
 321                     if( !*psz_name )
 322                     {
 323                         memcpy( psz_name, tmp, 1024 );
 324                     }
 325                     /* addslashes for backward compatibility with the old
 326                      * http intf */
 327                     p = mrl; str = tmp;
 328                     while( *str != '\0' )
 329                     {
 330                         if( *str == '"' || *str == '\'' || *str == '\\' )
 331                         {
 332                             *p++ = '\\';
 333                         }
 334                         *p++ = *str;
 335                         str++;
 336                     }
 337                     *p = '\0';
 338
 339                     p_input = MRLParse( p_intf, mrl, psz_name );
 340
 341                     char *psz_uri = p_input ? input_item_GetURI( p_input ) : NULL;
 342                     if( psz_uri && *psz_uri &&
 343                         playlist_AddInput( p_sys->p_playlist, p_input,
 344                                            PLAYLIST_APPEND, PLAYLIST_END,
 345                                            true, false) == VLC_SUCCESS )
 346                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 347                     else
 348                         msg_Warn( p_intf, "adding mrl failed: %s", mrl );
 349                     free( psz_uri );
 350                     if( p_input )
 351                         vlc_gc_decref( p_input );
 352                     break;
 353                 }
 354                 case MVLC_DEL:
 355                 {
 356                     int *p_items = NULL;
 357                     size_t i_nb_items = 0;
 358                     char item[512];
 359                     const char *p_parser = p_request;
 360
 361                     /* Get the list of items to delete */
 362                     while( (p_parser =
 363                             ExtractURIValue( p_parser, "item", item, 512 )) )
 364                     {
 365                         if( !*item ) continue;
 366
 367                         int i_item = atoi( item );
 368                         p_items = xrealloc( p_items,
 369                                         (i_nb_items + 1) * sizeof(*p_items) );
 370                         p_items[i_nb_items] = i_item;
 371                         i_nb_items++;
 372                     }
 373
 374                     for( size_t i = 0; i < i_nb_items; i++ )
 375                     {
 376                         playlist_item_t *p_item;
 377
 378                         msg_Dbg( p_intf, "requested playlist delete: %d",
 379                                  p_items[i] );
 380                         p_item = playlist_ItemGetById( p_sys->p_playlist,
 381                                                        p_items[i] );
 382                         if( p_item )
 383                             playlist_DeleteFromInput( p_sys->p_playlist,
 384                                                       p_item->p_input,
 385                                                       false );
 386                     }
 387
 388                     free( p_items );
 389                     break;
 390                 }
 391                 case MVLC_KEEP:
 392                 {
 393                     int *p_items = NULL;
 394                     size_t i_nb_items = 0, i;
 395                     char item[512];
 396                     const char *p_parser = p_request;
 397
 398                     /* Get the list of items to keep */
 399                     while( (p_parser =
 400                        ExtractURIValue( p_parser, "item", item, 512 )) )
 401                     {
 402                         if( !*item ) continue;
 403
 404                         int i_item = atoi( item );
 405                         p_items = xrealloc( p_items,
 406                                         (i_nb_items + 1) * sizeof(*p_items) );
 407                         p_items[i_nb_items] = i_item;
 408                         i_nb_items++;
 409                     }
 410
 411                     size_t size = p_sys->p_playlist->items.i_size;
 412                     for( i = 0; i < size; i++ )
 413                     {
 414                         size_t j;
 415
 416                         /* Check if the item is in the keep list */
 417                         for( j = 0 ; j < i_nb_items ; j++ )
 418                         {
 419                             if( p_items[j] ==
 420                                 ARRAY_VAL(p_sys->p_playlist->items,i)->i_id)
 421                                 break;
 422                         }
 423                         if( j == i_nb_items )
 424                         {
 425                             msg_Dbg( p_intf, "requested playlist delete: %d",
 426                                    p_sys->p_playlist->items.p_elems[i]->i_id );
 427                             playlist_DeleteFromInput( p_sys->p_playlist,
 428                                 p_sys->p_playlist->items.p_elems[i]->p_input,
 429                                                       false );
 430                         }
 431                     }
 432
 433                     free( p_items );
 434                     break;
 435                 }
 436                 case MVLC_EMPTY:
 437                 {
 438                     playlist_Clear( p_sys->p_playlist, false );
 439                     msg_Dbg( p_intf, "requested playlist empty" );
 440                     break;
 441                 }
 442                 case MVLC_SORT:
 443                 {
 444                     char type[12];
 445                     char order[2];
 446                     char item[512];
 447                     int i_order;
 448                     int i_item;
 449
 450                     ExtractURIValue( p_request, "type", type, 12 );
 451                     ExtractURIValue( p_request, "order", order, 2 );
 452                     ExtractURIValue( p_request, "item", item, 512 );
 453                     i_item = atoi( item );
 454
 455                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 456                     else i_order = ORDER_REVERSE;
 457
 458                     if( !strcmp( type , "title" ) )
 459                     {
 460                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 461                                                     /* Ugly hack,but not worse than before ... */
 462                                                     p_sys->p_playlist->p_root_onelevel,
 463                                                     SORT_TITLE_NODES_FIRST,
 464                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 465                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 466                     }
 467                     else if( !strcmp( type , "author" ) )
 468                     {
 469                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 470                                                     p_sys->p_playlist->p_root_onelevel,
 471                                                     SORT_ARTIST,
 472                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 473                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 474                     }
 475                     else if( !strcmp( type , "shuffle" ) )
 476                     {
 477                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 478                                                     p_sys->p_playlist->p_root_onelevel,
 479                                                     SORT_RANDOM,
 480                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 481                         msg_Dbg( p_intf, "requested playlist shuffle");
 482                     }
 483
 484                     break;
 485                 }
 486                 case MVLC_MOVE:
 487                 {
 488                     char psz_pos[6];
 489                     char psz_newpos[6];
 490                     int i_pos;
 491                     int i_newpos;
 492                     ExtractURIValue( p_request, "psz_pos", psz_pos, 6 );
 493                     ExtractURIValue( p_request, "psz_newpos", psz_newpos, 6 );
 494                     i_pos = atoi( psz_pos );
 495                     i_newpos = atoi( psz_newpos );
 496                     /* FIXME FIXME TODO TODO XXX XXX
 497                     ( duplicate from rpn.c )
 498                     if ( i_pos < i_newpos )
 499                     {
 500                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 501                     }
 502                     else
 503                     {
 504                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 505                     }
 506                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 507                     FIXME FIXME TODO TODO XXX XXX */
 508                     break;
 509                 }
 510
 511                 /* admin function */
 512                 case MVLC_CLOSE:
 513                 {
 514                     char id[512];
 515                     ExtractURIValue( p_request, "id", id, 512 );
 516                     msg_Dbg( p_intf, "requested close id=%s", id );
 517 #if 0
 518                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 519                     {
 520                         msg_Warn( p_intf, "close failed for id=%s", id );
 521                     }
 522 #endif
 523                     break;
 524                 }
 525                 case MVLC_SHUTDOWN:
 526                 {
 527                     msg_Dbg( p_intf, "requested shutdown" );
 528                     libvlc_Quit( p_intf->p_libvlc );
 529                     break;
 530                 }
 531 #ifdef ENABLE_VLM
 532                 /* vlm */
 533                 case MVLC_VLM_NEW:
 534                 case MVLC_VLM_SETUP:
 535                 {
 536                     static const char vlm_properties[][9] =
 537                     {
 538                         /* no args */
 539                         "enabled", "disabled", "loop", "unloop",
 540                         /* args required */
 541                         "input", "output", "option", "date", "period",
 542                         "repeat", "append", "",
 543                     };
 544                     vlm_message_t *vlm_answer;
 545                     char name[512];
 546                     char *psz = xmalloc( strlen( p_request ) + 1000 );
 547                     char *p = psz;
 548                     char *vlm_error;
 549                     int i;
 550
 551                     if( p_intf->p_sys->p_vlm == NULL )
 552                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 553
 554                     if( p_intf->p_sys->p_vlm == NULL )
 555                     {
 556                         free( psz );
 557                         break;
 558                     }
 559
 560                     ExtractURIValue( p_request, "name", name, 512 );
 561                     if( StrToMacroType( control ) == MVLC_VLM_NEW )
 562                     {
 563                         char type[20];
 564                         ExtractURIValue( p_request, "type", type, 20 );
 565                         p += sprintf( psz, "new %s %s", name, type );
 566                     }
 567                     else
 568                     {
 569                         p += sprintf( psz, "setup %s", name );
 570                     }
 571                     /* Parse the request */
 572                     for( i = 0; vlm_properties[i][0]; i++ )
 573                     {
 574                         char val[512];
 575                         ExtractURIValue( p_request,
 576                                                vlm_properties[i], val, 512 );
 577                         decode_URI( val );
 578                         if( strlen( val ) > 0 && i >= 4 )
 579                         {
 580                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 581                         }
 582                         else if( TestURIParam( p_request, vlm_properties[i] ) && i < 4 )
 583                         {
 584                             p += sprintf( p, " %s", vlm_properties[i] );
 585                         }
 586                     }
 587                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 588                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 589                     {
 590                         vlm_error = strdup( "" );
 591                     }
 592                     else
 593                     {
 594                         if( asprintf( &vlm_error , "%s : %s" ,
 595                                       vlm_answer->psz_name,
 596                                       vlm_answer->psz_value ) == -1 )
 597                             vlm_error = NULL;
 598                     }
 599
 600                     mvar_AppendNewVar( p_args->vars, "vlm_error", vlm_error );
 601
 602                     vlm_MessageDelete( vlm_answer );
 603                     free( vlm_error );
 604                     free( psz );
 605                     break;
 606                 }
 607
 608                 case MVLC_VLM_DEL:
 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                     ExtractURIValue( p_request, "name", name, 512 );
 619                     sprintf( psz, "del %s", name );
 620
 621                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 622                     /* FIXME do a vlm_answer -> var stack conversion */
 623                     vlm_MessageDelete( vlm_answer );
 624                     break;
 625                 }
 626
 627                 case MVLC_VLM_PLAY:
 628                 case MVLC_VLM_PAUSE:
 629                 case MVLC_VLM_STOP:
 630                 case MVLC_VLM_SEEK:
 631                 {
 632                     vlm_message_t *vlm_answer;
 633                     char name[512];
 634                     char psz[512+10];
 635                     if( p_intf->p_sys->p_vlm == NULL )
 636                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 637
 638                     if( p_intf->p_sys->p_vlm == NULL ) break;
 639
 640                     ExtractURIValue( p_request, "name", name, 512 );
 641                     if( StrToMacroType( control ) == MVLC_VLM_PLAY )
 642                         sprintf( psz, "control %s play", name );
 643                     else if( StrToMacroType( control ) == MVLC_VLM_PAUSE )
 644                         sprintf( psz, "control %s pause", name );
 645                     else if( StrToMacroType( control ) == MVLC_VLM_STOP )
 646                         sprintf( psz, "control %s stop", name );
 647                     else if( StrToMacroType( control ) == MVLC_VLM_SEEK )
 648                     {
 649                         char percent[20];
 650                         ExtractURIValue( p_request, "percent", percent, 512 );
 651                         sprintf( psz, "control %s seek %s", name, percent );
 652                     }
 653
 654                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 655                     /* FIXME do a vlm_answer -> var stack conversion */
 656                     vlm_MessageDelete( vlm_answer );
 657                     break;
 658                 }
 659                 case MVLC_VLM_LOAD:
 660                 case MVLC_VLM_SAVE:
 661                 {
 662                     vlm_message_t *vlm_answer;
 663                     char file[512];
 664                     char psz[512];
 665
 666                     if( p_intf->p_sys->p_vlm == NULL )
 667                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 668
 669                     if( p_intf->p_sys->p_vlm == NULL ) break;
 670
 671                     ExtractURIValue( p_request, "file", file, 512 );
 672                     decode_URI( file );
 673
 674                     if( StrToMacroType( control ) == MVLC_VLM_LOAD )
 675                         sprintf( psz, "load %s", file );
 676                     else
 677                         sprintf( psz, "save %s", file );
 678
 679                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 680                     /* FIXME do a vlm_answer -> var stack conversion */
 681                     vlm_MessageDelete( vlm_answer );
 682                     break;
 683                 }
 684 #endif /* ENABLE_VLM */
 685                 default:
 686                     if( *control )
 687                     {
 688                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 689                     }
 690                     break;
 691             }
 692             break;
 693
 694         case MVLC_SET:
 695         {
 696             char    value[512];
 697             int     i;
 698             float   f;
 699
 700             if( i_request <= 0 ||
 701                 *m->param1  == '\0' ||
 702                 strstr( p_request, m->param1 ) == NULL )
 703             {
 704                 break;
 705             }
 706             ExtractURIValue( p_request, m->param1,  value, 512 );
 707             decode_URI( value );
 708
 709             switch( StrToMacroType( m->param2 ) )
 710             {
 711                 case MVLC_INT:
 712                     i = atoi( value );
 713                     config_PutInt( p_intf, m->param1, i );
 714                     break;
 715                 case MVLC_FLOAT:
 716                     f = atof( value );
 717                     config_PutFloat( p_intf, m->param1, f );
 718                     break;
 719                 case MVLC_STRING:
 720                     config_PutPsz( p_intf, m->param1, value );
 721                     break;
 722                 default:
 723                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 724             }
 725             break;
 726         }
 727         case MVLC_GET:
 728         {
 729             char    value[512];
 730             int     i;
 731             float   f;
 732             char    *psz;
 733             lldiv_t div;
 734
 735             if( *m->param1  == '\0' )
 736             {
 737                 break;
 738             }
 739
 740             switch( StrToMacroType( m->param2 ) )
 741             {
 742                 case MVLC_INT:
 743                     i = config_GetInt( p_intf, m->param1 );
 744                     sprintf( value, "%d", i );
 745                     break;
 746                 case MVLC_FLOAT:
 747                     f = config_GetFloat( p_intf, m->param1 );
 748                     div = lldiv( f * 1000000 , 1000000 );
 749                     sprintf( value, "%lld.%06u", div.quot,
 750                             (unsigned int)div.rem );
 751                     break;
 752                 case MVLC_STRING:
 753                     psz = config_GetPsz( p_intf, m->param1 );
 754                     if( psz != NULL )
 755                     {
 756                         strlcpy( value, psz,sizeof( value ) );
 757                         free( psz );
 758                     }
 759                     else
 760                         *value = '\0';
 761                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 762                     break;
 763                 default:
 764                     snprintf( value, sizeof( value ),
 765                               "invalid type(%s) in set", m->param2 );
 766                     break;
 767             }
 768             PRINTS( "%s", value );
 769             break;
 770         }
 771         case MVLC_VALUE:
 772         {
 773             char *s;
 774             const char *v;
 775
 776             if( m->param1 )
 777             {
 778                 EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m->param1 );
 779                 s = SSPop( &p_args->stack );
 780                 v = mvar_GetValue( p_args->vars, s );
 781             }
 782             else
 783             {
 784                 v = s = SSPop( &p_args->stack );
 785             }
 786
 787             PRINTS( "%s", v );
 788             free( s );
 789             break;
 790         }
 791         case MVLC_RPN:
 792             EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m->param1 );
 793             break;
 794
 795         /* Useful to learn stack management */
 796         case MVLC_STACK:
 797         {
 798             int i;
 799             msg_Dbg( p_intf, "stack" );
 800             for (i=0;i<(&p_args->stack)->i_stack;i++)
 801                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 802             break;
 803         }
 804
 805         case MVLC_UNKNOWN:
 806         default:
 807             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 808             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 809             break;
 810     }
 811 #undef PRINTS
 812 #undef PRINT
 813 #undef ALLOC
 814 }
 815
 816 static
 817 char *MacroSearch( char *src, char *end, int i_mvlc, bool b_after )
 818 {
 819     int     i_id;
 820     int     i_level = 0;
 821
 822     while( src < end )
 823     {
 824         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 825         {
 826             int i_skip;
 827             macro_t m;
 828
 829             i_skip = MacroParse( &m, src );
 830
 831             i_id = StrToMacroType( m.id );
 832
 833             switch( i_id )
 834             {
 835                 case MVLC_IF:
 836                 case MVLC_FOREACH:
 837                     i_level++;
 838                     break;
 839                 case MVLC_END:
 840                     i_level--;
 841                     break;
 842                 default:
 843                     break;
 844             }
 845
 846             MacroClean( &m );
 847
 848             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 849                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 850             {
 851                 return src + ( b_after ? i_skip : 0 );
 852             }
 853             else if( i_level < 0 )
 854             {
 855                 return NULL;
 856             }
 857
 858             src += i_skip;
 859         }
 860         else
 861         {
 862             src++;
 863         }
 864     }
 865
 866     return NULL;
 867 }
 868
 869 void Execute( httpd_file_sys_t *p_args,
 870                      char *p_request, int i_request,
 871                      char **pp_data, int *pi_data,
 872                      char **pp_dst,
 873                      char *_src, char *_end )
 874 {
 875     intf_thread_t  *p_intf = p_args->p_intf;
 876
 877     char *src, *dup, *end;
 878     char *dst = *pp_dst;
 879
 880     src = dup = xmalloc( _end - _src + 1 );
 881     end = src +( _end - _src );
 882
 883     memcpy( src, _src, _end - _src );
 884     *end = '\0';
 885
 886     /* we parse searching <vlc */
 887     while( src < end )
 888     {
 889         char *p;
 890         int i_copy;
 891
 892         p = (char *)strstr( (char *)src, "<vlc" );
 893         if( p < end && p == src )
 894         {
 895             macro_t m;
 896
 897             src += MacroParse( &m, src );
 898
 899             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 900
 901             switch( StrToMacroType( m.id ) )
 902             {
 903                 case MVLC_INCLUDE:
 904                 {
 905                     FILE *f;
 906                     int  i_buffer;
 907                     char *p_buffer;
 908                     char psz_file[MAX_DIR_SIZE];
 909                     char *p;
 910                     char sep;
 911
 912 #if defined( WIN32 )
 913                     sep = '\\';
 914 #else
 915                     sep = '/';
 916 #endif
 917
 918                     if( m.param1[0] != sep )
 919                     {
 920                         strcpy( psz_file, p_args->file );
 921                         p = strrchr( psz_file, sep );
 922                         if( p != NULL )
 923                             strcpy( p + 1, m.param1 );
 924                         else
 925                             strcpy( psz_file, m.param1 );
 926                     }
 927                     else
 928                     {
 929                         strcpy( psz_file, m.param1 );
 930                     }
 931
 932                     /* We hereby assume that psz_file is in the
 933                      * local character encoding */
 934                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 935                     {
 936                         msg_Warn( p_args->p_intf,
 937                                   "unable to include file %s (%m)",
 938                                   psz_file );
 939                         break;
 940                     }
 941
 942                     /* first we load in a temporary buffer */
 943                     FileLoad( f, &p_buffer, &i_buffer );
 944
 945                     /* we parse executing all  <vlc /> macros */
 946                     Execute( p_args, p_request, i_request, pp_data, pi_data,
 947                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 948                     free( p_buffer );
 949                     fclose(f);
 950                     break;
 951                 }
 952                 case MVLC_IF:
 953                 {
 954                     bool i_test;
 955                     char    *endif;
 956
 957                     EvaluateRPN( p_intf, p_args->vars, &p_args->stack, m.param1 );
 958                     if( SSPopN( &p_args->stack, p_args->vars ) )
 959                     {
 960                         i_test = 1;
 961                     }
 962                     else
 963                     {
 964                         i_test = 0;
 965                     }
 966                     endif = MacroSearch( src, end, MVLC_END, true );
 967
 968                     if( i_test == 0 )
 969                     {
 970                         char *start = MacroSearch( src, endif, MVLC_ELSE, true );
 971
 972                         if( start )
 973                         {
 974                             char *stop  = MacroSearch( start, endif, MVLC_END, false );
 975                             if( stop )
 976                             {
 977                                 Execute( p_args, p_request, i_request,
 978                                          pp_data, pi_data, &dst, start, stop );
 979                             }
 980                         }
 981                     }
 982                     else if( i_test == 1 )
 983                     {
 984                         char *stop;
 985                         if( ( stop = MacroSearch( src, endif, MVLC_ELSE, false ) ) == NULL )
 986                         {
 987                             stop = MacroSearch( src, endif, MVLC_END, false );
 988                         }
 989                         if( stop )
 990                         {
 991                             Execute( p_args, p_request, i_request,
 992                                      pp_data, pi_data, &dst, src, stop );
 993                         }
 994                     }
 995
 996                     src = endif;
 997                     break;
 998                 }
 999                 case MVLC_FOREACH:
1000                 {
1001                     char *endfor = MacroSearch( src, end, MVLC_END, true );
1002                     char *start = src;
1003                     char *stop = MacroSearch( src, end, MVLC_END, false );
1004
1005                     if( stop )
1006                     {
1007                         mvar_t *index;
1008                         int    i_idx;
1009                         mvar_t *v;
1010                         if( !strcmp( m.param2, "integer" ) )
1011                         {
1012                             char *arg = SSPop( &p_args->stack );
1013                             index = mvar_IntegerSetNew( m.param1, arg );
1014                             free( arg );
1015                         }
1016                         else if( !strcmp( m.param2, "directory" ) )
1017                         {
1018                             char *arg = SSPop( &p_args->stack );
1019                             index = mvar_FileSetNew( p_intf, m.param1, arg );
1020                             free( arg );
1021                         }
1022                         else if( !strcmp( m.param2, "object" ) )
1023                         {
1024                             char *arg = SSPop( &p_args->stack );
1025                             index = mvar_ObjectSetNew( p_intf, m.param1, arg );
1026                             free( arg );
1027                         }
1028                         else if( !strcmp( m.param2, "playlist" ) )
1029                         {
1030                             index = mvar_PlaylistSetNew( p_intf, m.param1,
1031                                                     p_intf->p_sys->p_playlist );
1032                         }
1033                         else if( !strcmp( m.param2, "information" ) )
1034                         {
1035                             index = mvar_InfoSetNew( m.param1,
1036                                                      p_intf->p_sys->p_input );
1037                         }
1038                         else if( !strcmp( m.param2, "program" )
1039                                   || !strcmp( m.param2, "title" )
1040                                   || !strcmp( m.param2, "chapter" )
1041                                   || !strcmp( m.param2, "audio-es" )
1042                                   || !strcmp( m.param2, "video-es" )
1043                                   || !strcmp( m.param2, "spu-es" ) )
1044                         {
1045                             index = mvar_InputVarSetNew( p_intf, m.param1,
1046                                                          p_intf->p_sys->p_input,
1047                                                          m.param2 );
1048                         }
1049 #ifdef ENABLE_VLM
1050                         else if( !strcmp( m.param2, "vlm" ) )
1051                         {
1052                             if( p_intf->p_sys->p_vlm == NULL )
1053                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1054                             index = mvar_VlmSetNew( m.param1, p_intf->p_sys->p_vlm );
1055                         }
1056 #endif
1057 #if 0
1058                         else if( !strcmp( m.param2, "hosts" ) )
1059                         {
1060                             index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1061                         }
1062                         else if( !strcmp( m.param2, "urls" ) )
1063                         {
1064                             index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1065                         }
1066                         else if( !strcmp( m.param2, "connections" ) )
1067                         {
1068                             index = mvar_HttpdInfoSetNew(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1069                         }
1070 #endif
1071                         else if( ( v = mvar_GetVar( p_args->vars, m.param2 ) ) )
1072                         {
1073                             index = mvar_Duplicate( v );
1074                         }
1075                         else
1076                         {
1077                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1078                             src = endfor;
1079                             break;
1080                         }
1081
1082                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1083                         {
1084                             mvar_t *f = mvar_Duplicate( index->field[i_idx] );
1085
1086                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1087
1088                             free( f->name );
1089                             f->name = strdup( m.param1 );
1090
1091
1092                             mvar_PushVar( p_args->vars, f );
1093                             Execute( p_args, p_request, i_request,
1094                                      pp_data, pi_data, &dst, start, stop );
1095                             mvar_RemoveVar( p_args->vars, f );
1096
1097                             mvar_Delete( f );
1098                         }
1099                         mvar_Delete( index );
1100
1101                         src = endfor;
1102                     }
1103                     break;
1104                 }
1105                 default:
1106                     MacroDo( p_args, &m, p_request, i_request,
1107                              pp_data, pi_data, &dst );
1108                     break;
1109             }
1110
1111             MacroClean( &m );
1112             continue;
1113         }
1114
1115         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1116         if( i_copy > 0 )
1117         {
1118             int i_index = dst - *pp_data;
1119
1120             *pi_data += i_copy;
1121             *pp_data = xrealloc( *pp_data, *pi_data );
1122             dst = (*pp_data) + i_index;
1123
1124             memcpy( dst, src, i_copy );
1125             dst += i_copy;
1126             src += i_copy;
1127         }
1128     }
1129
1130     *pp_dst = dst;
1131     free( dup );
1132 }