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_VIEWPLAY,
 199                                       NULL,
 200                                       playlist_ItemGetById( p_sys->p_playlist,
 201                                       i_item ) );
 202                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 203                     break;
 204                 }
 205                 case MVLC_STOP:
 206                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP );
 207                     msg_Dbg( p_intf, "requested playlist stop" );
 208                     break;
 209                 case MVLC_PAUSE:
 210                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE );
 211                     msg_Dbg( p_intf, "requested playlist pause" );
 212                     break;
 213                 case MVLC_NEXT:
 214                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, 1 );
 215                     msg_Dbg( p_intf, "requested playlist next" );
 216                     break;
 217                 case MVLC_PREVIOUS:
 218                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, -1 );
 219                     msg_Dbg( p_intf, "requested playlist previous" );
 220                     break;
 221                 case MVLC_FULLSCREEN:
 222                     if( p_sys->p_input )
 223                     {
 224                         vout_thread_t *p_vout;
 225                         p_vout = vlc_object_find( p_sys->p_input,
 226                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 227
 228                         if( p_vout )
 229                         {
 230                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 231                             vlc_object_release( p_vout );
 232                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 233                         }
 234                     }
 235                     break;
 236                 case MVLC_SEEK:
 237                 {
 238                     char value[30];
 239                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 240                     decode_URI( value );
 241                     E_(HandleSeek)( p_intf, value );
 242                     break;
 243                 }
 244                 case MVLC_VOLUME:
 245                 {
 246                     char vol[8];
 247                     audio_volume_t i_volume;
 248                     int i_value;
 249
 250                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 251                     aout_VolumeGet( p_intf, &i_volume );
 252                     decode_URI( vol );
 253
 254                     if( vol[0] == '+' )
 255                     {
 256                         i_value = atoi( vol + 1 );
 257                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 258                         {
 259                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 260                             msg_Dbg( p_intf, "requested volume set: max" );
 261                         }
 262                         else
 263                         {
 264                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 265                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 266                         }
 267                     }
 268                     else if( vol[0] == '-' )
 269                     {
 270                         i_value = atoi( vol + 1 );
 271                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 272                         {
 273                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 274                             msg_Dbg( p_intf, "requested volume set: min" );
 275                         }
 276                         else
 277                         {
 278                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 279                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 280                         }
 281                     }
 282                     else if( strstr(vol, "%") != NULL )
 283                     {
 284                         i_value = atoi( vol );
 285                         if( (i_value <= 400) && (i_value>=0) ){
 286                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 287                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 288                         }
 289                     }
 290                     else
 291                     {
 292                         i_value = atoi( vol );
 293                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 294                         {
 295                             aout_VolumeSet( p_intf , atoi( vol ) );
 296                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 297                         }
 298                     }
 299                     break;
 300                 }
 301
 302                 /* playlist management */
 303                 case MVLC_ADD:
 304                 {
 305                     char mrl[1024], psz_name[1024], tmp[1024];
 306                     char *p, *str;
 307                     input_item_t *p_input;
 308
 309                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 310                     decode_URI( tmp );
 311                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 312                     decode_URI( psz_name );
 313                     if( !*psz_name )
 314                     {
 315                         memcpy( psz_name, tmp, 1024 );
 316                     }
 317                     /* addslashes for backward compatibility with the old
 318                      * http intf */
 319                     p = mrl; str = tmp;
 320                     while( *str != '\0' )
 321                     {
 322                         if( *str == '"' || *str == '\'' || *str == '\\' )
 323                         {
 324                             *p++ = '\\';
 325                         }
 326                         *p++ = *str;
 327                         str++;
 328                     }
 329                     *p = '\0';
 330
 331                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 332
 333                     if( !p_input || p_input->psz_uri ||
 334                         !*p_input->psz_uri )
 335                     {
 336                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 337                     }
 338                     else
 339                     {
 340                         playlist_PlaylistAddInput( p_sys->p_playlist, p_input,
 341                                           PLAYLIST_APPEND, PLAYLIST_END );
 342                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 343                     }
 344
 345                     break;
 346                 }
 347                 case MVLC_DEL:
 348                 {
 349                     int i_item, *p_items = NULL, i_nb_items = 0;
 350                     char item[512], *p_parser = p_request;
 351
 352                     /* Get the list of items to delete */
 353                     while( (p_parser =
 354                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 355                     {
 356                         if( !*item ) continue;
 357
 358                         i_item = atoi( item );
 359                         p_items = realloc( p_items, (i_nb_items + 1) *
 360                                            sizeof(int) );
 361                         p_items[i_nb_items] = i_item;
 362                         i_nb_items++;
 363                     }
 364
 365                     if( i_nb_items )
 366                     {
 367                         int i;
 368                         for( i = 0; i < i_nb_items; i++ )
 369                         {
 370                             playlist_LockDelete( p_sys->p_playlist, p_items[i] );
 371                             msg_Dbg( p_intf, "requested playlist delete: %d",
 372                                      p_items[i] );
 373                             p_items[i] = -1;
 374                         }
 375                     }
 376
 377                     if( p_items ) free( p_items );
 378                     break;
 379                 }
 380                 case MVLC_KEEP:
 381                 {
 382                     int i_item, *p_items = NULL, i_nb_items = 0;
 383                     char item[512], *p_parser = p_request;
 384                     int i,j;
 385
 386                     /* Get the list of items to keep */
 387                     while( (p_parser =
 388                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 389                     {
 390                         if( !*item ) continue;
 391
 392                         i_item = atoi( item );
 393                         p_items = realloc( p_items, (i_nb_items + 1) *
 394                                            sizeof(int) );
 395                         p_items[i_nb_items] = i_item;
 396                         i_nb_items++;
 397                     }
 398
 399                     for( i = p_sys->p_playlist->i_size - 1 ; i >= 0; i-- )
 400                     {
 401                         /* Check if the item is in the keep list */
 402                         for( j = 0 ; j < i_nb_items ; j++ )
 403                         {
 404                             if( p_items[j] ==
 405                                 p_sys->p_playlist->pp_items[i]->p_input->i_id )
 406                                 break;
 407                         }
 408                         if( j == i_nb_items )
 409                         {
 410                             playlist_LockDelete( p_sys->p_playlist,
 411                             p_sys->p_playlist->pp_items[i]->p_input->i_id );
 412                             msg_Dbg( p_intf, "requested playlist delete: %d",
 413                                      i );
 414                         }
 415                     }
 416
 417                     if( p_items ) free( p_items );
 418                     break;
 419                 }
 420                 case MVLC_EMPTY:
 421                 {
 422                     playlist_LockClear( p_sys->p_playlist );
 423                     msg_Dbg( p_intf, "requested playlist empty" );
 424                     break;
 425                 }
 426                 case MVLC_SORT:
 427                 {
 428                     char type[12];
 429                     char order[2];
 430                     char item[512];
 431                     int i_order;
 432                     int i_item;
 433
 434                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 435                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 436                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 437                     i_item = atoi( item );
 438
 439                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 440                     else i_order = ORDER_REVERSE;
 441
 442                     if( !strcmp( type , "title" ) )
 443                     {
 444                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 445                                                     /* Ugly hack,but not worse than before ... */
 446                                                     p_sys->p_playlist->p_root_onelevel,
 447                                                     SORT_TITLE_NODES_FIRST,
 448                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 449                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 450                     }
 451                     else if( !strcmp( type , "author" ) )
 452                     {
 453                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 454                                                     p_sys->p_playlist->p_root_onelevel,
 455                                                     SORT_AUTHOR,
 456                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 457                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 458                     }
 459                     else if( !strcmp( type , "shuffle" ) )
 460                     {
 461                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 462                                                     p_sys->p_playlist->p_root_onelevel,
 463                                                     SORT_RANDOM,
 464                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 465                         msg_Dbg( p_intf, "requested playlist shuffle");
 466                     }
 467
 468                     break;
 469                 }
 470                 case MVLC_MOVE:
 471                 {
 472                     char psz_pos[6];
 473                     char psz_newpos[6];
 474                     int i_pos;
 475                     int i_newpos;
 476                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 477                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 478                     i_pos = atoi( psz_pos );
 479                     i_newpos = atoi( psz_newpos );
 480                     /* FIXME FIXME TODO TODO XXX XXX
 481                     ( duplicate from rpn.c )
 482                     if ( i_pos < i_newpos )
 483                     {
 484                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 485                     }
 486                     else
 487                     {
 488                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 489                     }
 490                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 491                     FIXME FIXME TODO TODO XXX XXX */
 492                     break;
 493                 }
 494
 495                 /* admin function */
 496                 case MVLC_CLOSE:
 497                 {
 498                     char id[512];
 499                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 500                     msg_Dbg( p_intf, "requested close id=%s", id );
 501 #if 0
 502                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 503                     {
 504                         msg_Warn( p_intf, "close failed for id=%s", id );
 505                     }
 506 #endif
 507                     break;
 508                 }
 509                 case MVLC_SHUTDOWN:
 510                 {
 511                     msg_Dbg( p_intf, "requested shutdown" );
 512                     p_intf->p_vlc->b_die = VLC_TRUE;
 513                     break;
 514                 }
 515                 /* vlm */
 516                 case MVLC_VLM_NEW:
 517                 case MVLC_VLM_SETUP:
 518                 {
 519                     static const char *vlm_properties[11] =
 520                     {
 521                         /* no args */
 522                         "enabled", "disabled", "loop", "unloop",
 523                         /* args required */
 524                         "input", "output", "option", "date", "period", "repeat", "append",
 525                     };
 526                     vlm_message_t *vlm_answer;
 527                     char name[512];
 528                     char *psz = malloc( strlen( p_request ) + 1000 );
 529                     char *p = psz;
 530                     char *vlm_error;
 531                     int i;
 532
 533                     if( p_intf->p_sys->p_vlm == NULL )
 534                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 535
 536                     if( p_intf->p_sys->p_vlm == NULL ) break;
 537
 538                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 539                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 540                     {
 541                         char type[20];
 542                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 543                         p += sprintf( psz, "new %s %s", name, type );
 544                     }
 545                     else
 546                     {
 547                         p += sprintf( psz, "setup %s", name );
 548                     }
 549                     /* Parse the request */
 550                     for( i = 0; i < 11; i++ )
 551                     {
 552                         char val[512];
 553                         E_(ExtractURIValue)( p_request,
 554                                                vlm_properties[i], val, 512 );
 555                         decode_URI( val );
 556                         if( strlen( val ) > 0 && i >= 4 )
 557                         {
 558                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 559                         }
 560                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 561                         {
 562                             p += sprintf( p, " %s", vlm_properties[i] );
 563                         }
 564                     }
 565                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 566                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 567                     {
 568                         vlm_error = strdup( "" );
 569                     }
 570                     else
 571                     {
 572                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 573                                             strlen(vlm_answer->psz_value) +
 574                                             strlen( " : ") + 1 );
 575                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 576                                                          vlm_answer->psz_value );
 577                     }
 578
 579                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 580
 581                     vlm_MessageDelete( vlm_answer );
 582                     free( vlm_error );
 583                     free( psz );
 584                     break;
 585                 }
 586
 587                 case MVLC_VLM_DEL:
 588                 {
 589                     vlm_message_t *vlm_answer;
 590                     char name[512];
 591                     char psz[512+10];
 592                     if( p_intf->p_sys->p_vlm == NULL )
 593                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 594
 595                     if( p_intf->p_sys->p_vlm == NULL ) break;
 596
 597                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 598                     sprintf( psz, "del %s", name );
 599
 600                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 601                     /* FIXME do a vlm_answer -> var stack conversion */
 602                     vlm_MessageDelete( vlm_answer );
 603                     break;
 604                 }
 605
 606                 case MVLC_VLM_PLAY:
 607                 case MVLC_VLM_PAUSE:
 608                 case MVLC_VLM_STOP:
 609                 case MVLC_VLM_SEEK:
 610                 {
 611                     vlm_message_t *vlm_answer;
 612                     char name[512];
 613                     char psz[512+10];
 614                     if( p_intf->p_sys->p_vlm == NULL )
 615                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 616
 617                     if( p_intf->p_sys->p_vlm == NULL ) break;
 618
 619                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 620                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 621                         sprintf( psz, "control %s play", name );
 622                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 623                         sprintf( psz, "control %s pause", name );
 624                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 625                         sprintf( psz, "control %s stop", name );
 626                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 627                     {
 628                         char percent[20];
 629                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 630                         sprintf( psz, "control %s seek %s", name, percent );
 631                     }
 632
 633                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 634                     /* FIXME do a vlm_answer -> var stack conversion */
 635                     vlm_MessageDelete( vlm_answer );
 636                     break;
 637                 }
 638                 case MVLC_VLM_LOAD:
 639                 case MVLC_VLM_SAVE:
 640                 {
 641                     vlm_message_t *vlm_answer;
 642                     char file[512];
 643                     char psz[512];
 644
 645                     if( p_intf->p_sys->p_vlm == NULL )
 646                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 647
 648                     if( p_intf->p_sys->p_vlm == NULL ) break;
 649
 650                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 651                     decode_URI( file );
 652
 653                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 654                         sprintf( psz, "load %s", file );
 655                     else
 656                         sprintf( psz, "save %s", file );
 657
 658                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 659                     /* FIXME do a vlm_answer -> var stack conversion */
 660                     vlm_MessageDelete( vlm_answer );
 661                     break;
 662                 }
 663
 664                 default:
 665                     if( *control )
 666                     {
 667                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 668                     }
 669                     break;
 670             }
 671             break;
 672
 673         case MVLC_SET:
 674         {
 675             char    value[512];
 676             int     i;
 677             float   f;
 678
 679             if( i_request <= 0 ||
 680                 *m->param1  == '\0' ||
 681                 strstr( p_request, m->param1 ) == NULL )
 682             {
 683                 break;
 684             }
 685             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 686             decode_URI( value );
 687
 688             switch( E_(StrToMacroType)( m->param2 ) )
 689             {
 690                 case MVLC_INT:
 691                     i = atoi( value );
 692                     config_PutInt( p_intf, m->param1, i );
 693                     break;
 694                 case MVLC_FLOAT:
 695                     f = atof( value );
 696                     config_PutFloat( p_intf, m->param1, f );
 697                     break;
 698                 case MVLC_STRING:
 699                     config_PutPsz( p_intf, m->param1, value );
 700                     break;
 701                 default:
 702                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 703             }
 704             break;
 705         }
 706         case MVLC_GET:
 707         {
 708             char    value[512];
 709             int     i;
 710             float   f;
 711             char    *psz;
 712             lldiv_t div;
 713
 714             if( *m->param1  == '\0' )
 715             {
 716                 break;
 717             }
 718
 719             switch( E_(StrToMacroType)( m->param2 ) )
 720             {
 721                 case MVLC_INT:
 722                     i = config_GetInt( p_intf, m->param1 );
 723                     sprintf( value, "%d", i );
 724                     break;
 725                 case MVLC_FLOAT:
 726                     f = config_GetFloat( p_intf, m->param1 );
 727                     div = lldiv( f * 1000000 , 1000000 );
 728                     sprintf( value, "%lld.%06u", div.quot,
 729                             (unsigned int)div.rem );
 730                     break;
 731                 case MVLC_STRING:
 732                     psz = config_GetPsz( p_intf, m->param1 );
 733                     if( psz != NULL )
 734                     {
 735                         strlcpy( value, psz,sizeof( value ) );
 736                         free( psz );
 737                     }
 738                     else
 739                         *value = '\0';
 740                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 741                     break;
 742                 default:
 743                     snprintf( value, sizeof( value ),
 744                               "invalid type(%s) in set", m->param2 );
 745                     break;
 746             }
 747             PRINTS( "%s", value );
 748             break;
 749         }
 750         case MVLC_VALUE:
 751         {
 752             char *s, *v;
 753
 754             if( m->param1 )
 755             {
 756                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 757                 s = E_(SSPop)( &p_args->stack );
 758                 v = E_(mvar_GetValue)( p_args->vars, s );
 759             }
 760             else
 761             {
 762                 v = s = E_(SSPop)( &p_args->stack );
 763             }
 764
 765             PRINTS( "%s", v );
 766             free( s );
 767             break;
 768         }
 769         case MVLC_RPN:
 770             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 771             break;
 772
 773         /* Useful to learn stack management */
 774         case MVLC_STACK:
 775         {
 776             int i;
 777             msg_Dbg( p_intf, "stack" );
 778             for (i=0;i<(&p_args->stack)->i_stack;i++)
 779                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 780             break;
 781         }
 782
 783         case MVLC_UNKNOWN:
 784         default:
 785             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 786             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 787             break;
 788     }
 789 #undef PRINTS
 790 #undef PRINT
 791 #undef ALLOC
 792 }
 793
 794 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 795 {
 796     int     i_id;
 797     int     i_level = 0;
 798
 799     while( src < end )
 800     {
 801         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 802         {
 803             int i_skip;
 804             macro_t m;
 805
 806             i_skip = E_(MacroParse)( &m, src );
 807
 808             i_id = E_(StrToMacroType)( m.id );
 809
 810             switch( i_id )
 811             {
 812                 case MVLC_IF:
 813                 case MVLC_FOREACH:
 814                     i_level++;
 815                     break;
 816                 case MVLC_END:
 817                     i_level--;
 818                     break;
 819                 default:
 820                     break;
 821             }
 822
 823             E_(MacroClean)( &m );
 824
 825             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 826                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 827             {
 828                 return src + ( b_after ? i_skip : 0 );
 829             }
 830             else if( i_level < 0 )
 831             {
 832                 return NULL;
 833             }
 834
 835             src += i_skip;
 836         }
 837         else
 838         {
 839             src++;
 840         }
 841     }
 842
 843     return NULL;
 844 }
 845
 846 void E_(Execute)( httpd_file_sys_t *p_args,
 847                      char *p_request, int i_request,
 848                      char **pp_data, int *pi_data,
 849                      char **pp_dst,
 850                      char *_src, char *_end )
 851 {
 852     intf_thread_t  *p_intf = p_args->p_intf;
 853
 854     char *src, *dup, *end;
 855     char *dst = *pp_dst;
 856
 857     src = dup = malloc( _end - _src + 1 );
 858     end = src +( _end - _src );
 859
 860     memcpy( src, _src, _end - _src );
 861     *end = '\0';
 862
 863     /* we parse searching <vlc */
 864     while( src < end )
 865     {
 866         char *p;
 867         int i_copy;
 868
 869         p = (char *)strstr( (char *)src, "<vlc" );
 870         if( p < end && p == src )
 871         {
 872             macro_t m;
 873
 874             src += E_(MacroParse)( &m, src );
 875
 876             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 877
 878             switch( E_(StrToMacroType)( m.id ) )
 879             {
 880                 case MVLC_INCLUDE:
 881                 {
 882                     FILE *f;
 883                     int  i_buffer;
 884                     char *p_buffer;
 885                     char psz_file[MAX_DIR_SIZE];
 886                     char *p;
 887                     char sep;
 888
 889 #if defined( WIN32 )
 890                     sep = '\\';
 891 #else
 892                     sep = '/';
 893 #endif
 894
 895                     if( m.param1[0] != sep )
 896                     {
 897                         strcpy( psz_file, p_args->file );
 898                         p = strrchr( psz_file, sep );
 899                         if( p != NULL )
 900                             strcpy( p + 1, m.param1 );
 901                         else
 902                             strcpy( psz_file, m.param1 );
 903                     }
 904                     else
 905                     {
 906                         strcpy( psz_file, m.param1 );
 907                     }
 908
 909                     /* We hereby assume that psz_file is in the
 910                      * local character encoding */
 911                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 912                     {
 913                         msg_Warn( p_args->p_intf,
 914                                   "unable to include file %s (%s)",
 915                                   psz_file, strerror(errno) );
 916                         break;
 917                     }
 918
 919                     /* first we load in a temporary buffer */
 920                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 921
 922                     /* we parse executing all  <vlc /> macros */
 923                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 924                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 925                     free( p_buffer );
 926                     fclose(f);
 927                     break;
 928                 }
 929                 case MVLC_IF:
 930                 {
 931                     vlc_bool_t i_test;
 932                     char    *endif;
 933
 934                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 935                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 936                     {
 937                         i_test = 1;
 938                     }
 939                     else
 940                     {
 941                         i_test = 0;
 942                     }
 943                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 944
 945                     if( i_test == 0 )
 946                     {
 947                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 948
 949                         if( start )
 950                         {
 951                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 952                             if( stop )
 953                             {
 954                                 E_(Execute)( p_args, p_request, i_request,
 955                                          pp_data, pi_data, &dst, start, stop );
 956                             }
 957                         }
 958                     }
 959                     else if( i_test == 1 )
 960                     {
 961                         char *stop;
 962                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 963                         {
 964                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 965                         }
 966                         if( stop )
 967                         {
 968                             E_(Execute)( p_args, p_request, i_request,
 969                                      pp_data, pi_data, &dst, src, stop );
 970                         }
 971                     }
 972
 973                     src = endif;
 974                     break;
 975                 }
 976                 case MVLC_FOREACH:
 977                 {
 978                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 979                     char *start = src;
 980                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 981
 982                     if( stop )
 983                     {
 984                         mvar_t *index;
 985                         int    i_idx;
 986                         mvar_t *v;
 987                         if( !strcmp( m.param2, "integer" ) )
 988                         {
 989                             char *arg = E_(SSPop)( &p_args->stack );
 990                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
 991                             free( arg );
 992                         }
 993                         else if( !strcmp( m.param2, "directory" ) )
 994                         {
 995                             char *arg = E_(SSPop)( &p_args->stack );
 996                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
 997                             free( arg );
 998                         }
 999                         else if( !strcmp( m.param2, "object" ) )
1000                         {
1001                             char *arg = E_(SSPop)( &p_args->stack );
1002                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1003                             free( arg );
1004                         }
1005                         else if( !strcmp( m.param2, "playlist" ) )
1006                         {
1007                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1008                                                     p_intf->p_sys->p_playlist );
1009                         }
1010                         else if( !strcmp( m.param2, "information" ) )
1011                         {
1012                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1013                                                      p_intf->p_sys->p_input );
1014                         }
1015                         else if( !strcmp( m.param2, "program" )
1016                                   || !strcmp( m.param2, "title" )
1017                                   || !strcmp( m.param2, "chapter" )
1018                                   || !strcmp( m.param2, "audio-es" )
1019                                   || !strcmp( m.param2, "video-es" )
1020                                   || !strcmp( m.param2, "spu-es" ) )
1021                         {
1022                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1023                                                          p_intf->p_sys->p_input,
1024                                                          m.param2 );
1025                         }
1026                         else if( !strcmp( m.param2, "vlm" ) )
1027                         {
1028                             if( p_intf->p_sys->p_vlm == NULL )
1029                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1030                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1031                         }
1032 #if 0
1033                         else if( !strcmp( m.param2, "hosts" ) )
1034                         {
1035                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1036                         }
1037                         else if( !strcmp( m.param2, "urls" ) )
1038                         {
1039                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1040                         }
1041                         else if( !strcmp( m.param2, "connections" ) )
1042                         {
1043                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1044                         }
1045 #endif
1046                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1047                         {
1048                             index = E_(mvar_Duplicate)( v );
1049                         }
1050                         else
1051                         {
1052                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1053                             src = endfor;
1054                             break;
1055                         }
1056
1057                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1058                         {
1059                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1060
1061                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1062
1063                             free( f->name );
1064                             f->name = strdup( m.param1 );
1065
1066
1067                             E_(mvar_PushVar)( p_args->vars, f );
1068                             E_(Execute)( p_args, p_request, i_request,
1069                                      pp_data, pi_data, &dst, start, stop );
1070                             E_(mvar_RemoveVar)( p_args->vars, f );
1071
1072                             E_(mvar_Delete)( f );
1073                         }
1074                         E_(mvar_Delete)( index );
1075
1076                         src = endfor;
1077                     }
1078                     break;
1079                 }
1080                 default:
1081                     E_(MacroDo)( p_args, &m, p_request, i_request,
1082                                  pp_data, pi_data, &dst );
1083                     break;
1084             }
1085
1086             E_(MacroClean)( &m );
1087             continue;
1088         }
1089
1090         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1091         if( i_copy > 0 )
1092         {
1093             int i_index = dst - *pp_data;
1094
1095             *pi_data += i_copy;
1096             *pp_data = realloc( *pp_data, *pi_data );
1097             dst = (*pp_data) + i_index;
1098
1099             memcpy( dst, src, i_copy );
1100             dst += i_copy;
1101             src += i_copy;
1102         }
1103     }
1104
1105     *pp_dst = dst;
1106     free( dup );
1107 }