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 #include "vlc_url.h"
  29
  30 int E_(MacroParse)( macro_t *m, char *psz_src )
  31 {
  32     char *dup = strdup( (char *)psz_src );
  33     char *src = dup;
  34     char *p;
  35     int     i_skip;
  36
  37 #define EXTRACT( name, l ) \
  38         src += l;    \
  39         p = strchr( src, '"' );             \
  40         if( p )                             \
  41         {                                   \
  42             *p++ = '\0';                    \
  43         }                                   \
  44         m->name = strdup( src );            \
  45         if( !p )                            \
  46         {                                   \
  47             break;                          \
  48         }                                   \
  49         src = p;
  50
  51     /* init m */
  52     m->id = NULL;
  53     m->param1 = NULL;
  54     m->param2 = NULL;
  55
  56     /* parse */
  57     src += 4;
  58
  59     while( *src )
  60     {
  61         while( *src == ' ')
  62         {
  63             src++;
  64         }
  65         if( !strncmp( src, "id=\"", 4 ) )
  66         {
  67             EXTRACT( id, 4 );
  68         }
  69         else if( !strncmp( src, "param1=\"", 8 ) )
  70         {
  71             EXTRACT( param1, 8 );
  72         }
  73         else if( !strncmp( src, "param2=\"", 8 ) )
  74         {
  75             EXTRACT( param2, 8 );
  76         }
  77         else
  78         {
  79             break;
  80         }
  81     }
  82     if( strstr( src, "/>" ) )
  83     {
  84         src = strstr( src, "/>" ) + 2;
  85     }
  86     else
  87     {
  88         src += strlen( src );
  89     }
  90
  91     if( m->id == NULL )
  92     {
  93         m->id = strdup( "" );
  94     }
  95     if( m->param1 == NULL )
  96     {
  97         m->param1 = strdup( "" );
  98     }
  99     if( m->param2 == NULL )
 100     {
 101         m->param2 = strdup( "" );
 102     }
 103     i_skip = src - dup;
 104
 105     free( dup );
 106     return i_skip;
 107 #undef EXTRACT
 108 }
 109
 110 void E_(MacroClean)( macro_t *m )
 111 {
 112     free( m->id );
 113     free( m->param1 );
 114     free( m->param2 );
 115 }
 116
 117 int E_(StrToMacroType)( char *name )
 118 {
 119     int i;
 120
 121     if( !name || *name == '\0')
 122     {
 123         return MVLC_UNKNOWN;
 124     }
 125     for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ )
 126     {
 127         if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) )
 128         {
 129             return StrToMacroTypeTab[i].i_type;
 130         }
 131     }
 132     return MVLC_UNKNOWN;
 133 }
 134
 135 void E_(MacroDo)( httpd_file_sys_t *p_args,
 136                      macro_t *m,
 137                      char *p_request, int i_request,
 138                      char **pp_data,  int *pi_data,
 139                      char **pp_dst )
 140 {
 141     intf_thread_t  *p_intf = p_args->p_intf;
 142     intf_sys_t     *p_sys = p_args->p_intf->p_sys;
 143     char control[512];
 144
 145 #define ALLOC( l ) \
 146     {               \
 147         int __i__ = *pp_dst - *pp_data; \
 148         *pi_data += (l);                  \
 149         *pp_data = realloc( *pp_data, *pi_data );   \
 150         *pp_dst = (*pp_data) + __i__;   \
 151     }
 152 #define PRINT( str ) \
 153     ALLOC( strlen( str ) + 1 ); \
 154     *pp_dst += sprintf( *pp_dst, "%s", str );
 155
 156 #define PRINTS( str, s ) \
 157     ALLOC( strlen( str ) + strlen( s ) + 1 ); \
 158     { \
 159         char * psz_cur = *pp_dst; \
 160         *pp_dst += sprintf( *pp_dst, str, s ); \
 161         while( psz_cur && *psz_cur ) \
 162         {  \
 163             /* Prevent script injection */ \
 164             if( *psz_cur == '<' ) *psz_cur = '*'; \
 165             if( *psz_cur == '>' ) *psz_cur = '*'; \
 166             psz_cur++ ; \
 167         } \
 168     }
 169
 170     switch( E_(StrToMacroType)( m->id ) )
 171     {
 172         case MVLC_CONTROL:
 173             if( i_request <= 0 )
 174             {
 175                 break;
 176             }
 177             E_(ExtractURIValue)( p_request, "control", control, 512 );
 178             if( *m->param1 && !strstr( m->param1, control ) )
 179             {
 180                 msg_Warn( p_intf, "unauthorized control=%s", control );
 181                 break;
 182             }
 183             switch( E_(StrToMacroType)( control ) )
 184             {
 185                 case MVLC_PLAY:
 186                 {
 187                     int i_item;
 188                     char item[512];
 189
 190                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 191                     i_item = atoi( item );
 192                     /* id = 0 : simply ask playlist to play */
 193                     if( i_item == 0 )
 194                     {
 195                         playlist_Play( p_sys->p_playlist );
 196                         msg_Dbg( p_intf, "requested playlist play" );
 197                         break;
 198                     }
 199                     playlist_Control( p_sys->p_playlist, PLAYLIST_VIEWPLAY,
 200                                       NULL,
 201                                       playlist_ItemGetById( p_sys->p_playlist,
 202                                       i_item ) );
 203                     msg_Dbg( p_intf, "requested playlist item: %i", i_item );
 204                     break;
 205                 }
 206                 case MVLC_STOP:
 207                     playlist_Control( p_sys->p_playlist, PLAYLIST_STOP );
 208                     msg_Dbg( p_intf, "requested playlist stop" );
 209                     break;
 210                 case MVLC_PAUSE:
 211                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE );
 212                     msg_Dbg( p_intf, "requested playlist pause" );
 213                     break;
 214                 case MVLC_NEXT:
 215                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, 1 );
 216                     msg_Dbg( p_intf, "requested playlist next" );
 217                     break;
 218                 case MVLC_PREVIOUS:
 219                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP, -1 );
 220                     msg_Dbg( p_intf, "requested playlist previous" );
 221                     break;
 222                 case MVLC_FULLSCREEN:
 223                     if( p_sys->p_input )
 224                     {
 225                         vout_thread_t *p_vout;
 226                         p_vout = vlc_object_find( p_sys->p_input,
 227                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 228
 229                         if( p_vout )
 230                         {
 231                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 232                             vlc_object_release( p_vout );
 233                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 234                         }
 235                     }
 236                     break;
 237                 case MVLC_SEEK:
 238                 {
 239                     char value[30];
 240                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 241                     decode_URI( value );
 242                     E_(HandleSeek)( p_intf, value );
 243                     break;
 244                 }
 245                 case MVLC_VOLUME:
 246                 {
 247                     char vol[8];
 248                     audio_volume_t i_volume;
 249                     int i_value;
 250
 251                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 252                     aout_VolumeGet( p_intf, &i_volume );
 253                     decode_URI( vol );
 254
 255                     if( vol[0] == '+' )
 256                     {
 257                         i_value = atoi( vol + 1 );
 258                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 259                         {
 260                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 261                             msg_Dbg( p_intf, "requested volume set: max" );
 262                         }
 263                         else
 264                         {
 265                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 266                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 267                         }
 268                     }
 269                     else if( vol[0] == '-' )
 270                     {
 271                         i_value = atoi( vol + 1 );
 272                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 273                         {
 274                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 275                             msg_Dbg( p_intf, "requested volume set: min" );
 276                         }
 277                         else
 278                         {
 279                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 280                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 281                         }
 282                     }
 283                     else if( strstr(vol, "%") != NULL )
 284                     {
 285                         i_value = atoi( vol );
 286                         if( (i_value <= 400) && (i_value>=0) ){
 287                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 288                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 289                         }
 290                     }
 291                     else
 292                     {
 293                         i_value = atoi( vol );
 294                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 295                         {
 296                             aout_VolumeSet( p_intf , atoi( vol ) );
 297                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 298                         }
 299                     }
 300                     break;
 301                 }
 302
 303                 /* playlist management */
 304                 case MVLC_ADD:
 305                 {
 306                     char mrl[1024], psz_name[1024], tmp[1024];
 307                     char *p, *str;
 308                     input_item_t *p_input;
 309
 310                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 311                     decode_URI( tmp );
 312                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 313                     decode_URI( psz_name );
 314                     if( !*psz_name )
 315                     {
 316                         memcpy( psz_name, tmp, 1024 );
 317                     }
 318                     /* addslashes for backward compatibility with the old
 319                      * http intf */
 320                     p = mrl; str = tmp;
 321                     while( *str != '\0' )
 322                     {
 323                         if( *str == '"' || *str == '\'' || *str == '\\' )
 324                         {
 325                             *p++ = '\\';
 326                         }
 327                         *p++ = *str;
 328                         str++;
 329                     }
 330                     *p = '\0';
 331
 332                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 333
 334                     if( !p_input || p_input->psz_uri ||
 335                         !*p_input->psz_uri )
 336                     {
 337                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 338                     }
 339                     else
 340                     {
 341                         playlist_PlaylistAddInput( p_sys->p_playlist, p_input,
 342                                           PLAYLIST_APPEND, PLAYLIST_END );
 343                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 344                     }
 345
 346                     break;
 347                 }
 348                 case MVLC_DEL:
 349                 {
 350                     int i_item, *p_items = NULL, i_nb_items = 0;
 351                     char item[512], *p_parser = p_request;
 352
 353                     /* Get the list of items to delete */
 354                     while( (p_parser =
 355                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 356                     {
 357                         if( !*item ) continue;
 358
 359                         i_item = atoi( item );
 360                         p_items = realloc( p_items, (i_nb_items + 1) *
 361                                            sizeof(int) );
 362                         p_items[i_nb_items] = i_item;
 363                         i_nb_items++;
 364                     }
 365
 366                     if( i_nb_items )
 367                     {
 368                         int i;
 369                         for( i = 0; i < i_nb_items; i++ )
 370                         {
 371                             playlist_LockDelete( p_sys->p_playlist, p_items[i] );
 372                             msg_Dbg( p_intf, "requested playlist delete: %d",
 373                                      p_items[i] );
 374                             p_items[i] = -1;
 375                         }
 376                     }
 377
 378                     if( p_items ) free( p_items );
 379                     break;
 380                 }
 381                 case MVLC_KEEP:
 382                 {
 383                     int i_item, *p_items = NULL, i_nb_items = 0;
 384                     char item[512], *p_parser = p_request;
 385                     int i,j;
 386
 387                     /* Get the list of items to keep */
 388                     while( (p_parser =
 389                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 390                     {
 391                         if( !*item ) continue;
 392
 393                         i_item = atoi( item );
 394                         p_items = realloc( p_items, (i_nb_items + 1) *
 395                                            sizeof(int) );
 396                         p_items[i_nb_items] = i_item;
 397                         i_nb_items++;
 398                     }
 399
 400                     for( i = p_sys->p_playlist->i_size - 1 ; i >= 0; i-- )
 401                     {
 402                         /* Check if the item is in the keep list */
 403                         for( j = 0 ; j < i_nb_items ; j++ )
 404                         {
 405                             if( p_items[j] ==
 406                                 p_sys->p_playlist->pp_items[i]->p_input->i_id )
 407                                 break;
 408                         }
 409                         if( j == i_nb_items )
 410                         {
 411                             playlist_LockDelete( p_sys->p_playlist,
 412                             p_sys->p_playlist->pp_items[i]->p_input->i_id );
 413                             msg_Dbg( p_intf, "requested playlist delete: %d",
 414                                      i );
 415                         }
 416                     }
 417
 418                     if( p_items ) free( p_items );
 419                     break;
 420                 }
 421                 case MVLC_EMPTY:
 422                 {
 423                     playlist_LockClear( p_sys->p_playlist );
 424                     msg_Dbg( p_intf, "requested playlist empty" );
 425                     break;
 426                 }
 427                 case MVLC_SORT:
 428                 {
 429                     char type[12];
 430                     char order[2];
 431                     char item[512];
 432                     int i_order;
 433                     int i_item;
 434
 435                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 436                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 437                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 438                     i_item = atoi( item );
 439
 440                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 441                     else i_order = ORDER_REVERSE;
 442
 443                     if( !strcmp( type , "title" ) )
 444                     {
 445                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 446                                                     /* Ugly hack,but not worse than before ... */
 447                                                     p_sys->p_playlist->p_root_onelevel,
 448                                                     SORT_TITLE_NODES_FIRST,
 449                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 450                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 451                     }
 452                     else if( !strcmp( type , "author" ) )
 453                     {
 454                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 455                                                     p_sys->p_playlist->p_root_onelevel,
 456                                                     SORT_ARTIST,
 457                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 458                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 459                     }
 460                     else if( !strcmp( type , "shuffle" ) )
 461                     {
 462                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 463                                                     p_sys->p_playlist->p_root_onelevel,
 464                                                     SORT_RANDOM,
 465                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 466                         msg_Dbg( p_intf, "requested playlist shuffle");
 467                     }
 468
 469                     break;
 470                 }
 471                 case MVLC_MOVE:
 472                 {
 473                     char psz_pos[6];
 474                     char psz_newpos[6];
 475                     int i_pos;
 476                     int i_newpos;
 477                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 478                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 479                     i_pos = atoi( psz_pos );
 480                     i_newpos = atoi( psz_newpos );
 481                     /* FIXME FIXME TODO TODO XXX XXX
 482                     ( duplicate from rpn.c )
 483                     if ( i_pos < i_newpos )
 484                     {
 485                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 486                     }
 487                     else
 488                     {
 489                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 490                     }
 491                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 492                     FIXME FIXME TODO TODO XXX XXX */
 493                     break;
 494                 }
 495
 496                 /* admin function */
 497                 case MVLC_CLOSE:
 498                 {
 499                     char id[512];
 500                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 501                     msg_Dbg( p_intf, "requested close id=%s", id );
 502 #if 0
 503                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 504                     {
 505                         msg_Warn( p_intf, "close failed for id=%s", id );
 506                     }
 507 #endif
 508                     break;
 509                 }
 510                 case MVLC_SHUTDOWN:
 511                 {
 512                     msg_Dbg( p_intf, "requested shutdown" );
 513                     p_intf->p_libvlc->b_die = VLC_TRUE;
 514                     break;
 515                 }
 516                 /* vlm */
 517                 case MVLC_VLM_NEW:
 518                 case MVLC_VLM_SETUP:
 519                 {
 520                     static const char *vlm_properties[11] =
 521                     {
 522                         /* no args */
 523                         "enabled", "disabled", "loop", "unloop",
 524                         /* args required */
 525                         "input", "output", "option", "date", "period", "repeat", "append",
 526                     };
 527                     vlm_message_t *vlm_answer;
 528                     char name[512];
 529                     char *psz = malloc( strlen( p_request ) + 1000 );
 530                     char *p = psz;
 531                     char *vlm_error;
 532                     int i;
 533
 534                     if( p_intf->p_sys->p_vlm == NULL )
 535                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 536
 537                     if( p_intf->p_sys->p_vlm == NULL ) break;
 538
 539                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 540                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 541                     {
 542                         char type[20];
 543                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 544                         p += sprintf( psz, "new %s %s", name, type );
 545                     }
 546                     else
 547                     {
 548                         p += sprintf( psz, "setup %s", name );
 549                     }
 550                     /* Parse the request */
 551                     for( i = 0; i < 11; i++ )
 552                     {
 553                         char val[512];
 554                         E_(ExtractURIValue)( p_request,
 555                                                vlm_properties[i], val, 512 );
 556                         decode_URI( val );
 557                         if( strlen( val ) > 0 && i >= 4 )
 558                         {
 559                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 560                         }
 561                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 562                         {
 563                             p += sprintf( p, " %s", vlm_properties[i] );
 564                         }
 565                     }
 566                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 567                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 568                     {
 569                         vlm_error = strdup( "" );
 570                     }
 571                     else
 572                     {
 573                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 574                                             strlen(vlm_answer->psz_value) +
 575                                             strlen( " : ") + 1 );
 576                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 577                                                          vlm_answer->psz_value );
 578                     }
 579
 580                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 581
 582                     vlm_MessageDelete( vlm_answer );
 583                     free( vlm_error );
 584                     free( psz );
 585                     break;
 586                 }
 587
 588                 case MVLC_VLM_DEL:
 589                 {
 590                     vlm_message_t *vlm_answer;
 591                     char name[512];
 592                     char psz[512+10];
 593                     if( p_intf->p_sys->p_vlm == NULL )
 594                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 595
 596                     if( p_intf->p_sys->p_vlm == NULL ) break;
 597
 598                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 599                     sprintf( psz, "del %s", name );
 600
 601                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 602                     /* FIXME do a vlm_answer -> var stack conversion */
 603                     vlm_MessageDelete( vlm_answer );
 604                     break;
 605                 }
 606
 607                 case MVLC_VLM_PLAY:
 608                 case MVLC_VLM_PAUSE:
 609                 case MVLC_VLM_STOP:
 610                 case MVLC_VLM_SEEK:
 611                 {
 612                     vlm_message_t *vlm_answer;
 613                     char name[512];
 614                     char psz[512+10];
 615                     if( p_intf->p_sys->p_vlm == NULL )
 616                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 617
 618                     if( p_intf->p_sys->p_vlm == NULL ) break;
 619
 620                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 621                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 622                         sprintf( psz, "control %s play", name );
 623                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 624                         sprintf( psz, "control %s pause", name );
 625                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 626                         sprintf( psz, "control %s stop", name );
 627                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 628                     {
 629                         char percent[20];
 630                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 631                         sprintf( psz, "control %s seek %s", name, percent );
 632                     }
 633
 634                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 635                     /* FIXME do a vlm_answer -> var stack conversion */
 636                     vlm_MessageDelete( vlm_answer );
 637                     break;
 638                 }
 639                 case MVLC_VLM_LOAD:
 640                 case MVLC_VLM_SAVE:
 641                 {
 642                     vlm_message_t *vlm_answer;
 643                     char file[512];
 644                     char psz[512];
 645
 646                     if( p_intf->p_sys->p_vlm == NULL )
 647                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 648
 649                     if( p_intf->p_sys->p_vlm == NULL ) break;
 650
 651                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 652                     decode_URI( file );
 653
 654                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 655                         sprintf( psz, "load %s", file );
 656                     else
 657                         sprintf( psz, "save %s", file );
 658
 659                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 660                     /* FIXME do a vlm_answer -> var stack conversion */
 661                     vlm_MessageDelete( vlm_answer );
 662                     break;
 663                 }
 664
 665                 default:
 666                     if( *control )
 667                     {
 668                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 669                     }
 670                     break;
 671             }
 672             break;
 673
 674         case MVLC_SET:
 675         {
 676             char    value[512];
 677             int     i;
 678             float   f;
 679
 680             if( i_request <= 0 ||
 681                 *m->param1  == '\0' ||
 682                 strstr( p_request, m->param1 ) == NULL )
 683             {
 684                 break;
 685             }
 686             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 687             decode_URI( value );
 688
 689             switch( E_(StrToMacroType)( m->param2 ) )
 690             {
 691                 case MVLC_INT:
 692                     i = atoi( value );
 693                     config_PutInt( p_intf, m->param1, i );
 694                     break;
 695                 case MVLC_FLOAT:
 696                     f = atof( value );
 697                     config_PutFloat( p_intf, m->param1, f );
 698                     break;
 699                 case MVLC_STRING:
 700                     config_PutPsz( p_intf, m->param1, value );
 701                     break;
 702                 default:
 703                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 704             }
 705             break;
 706         }
 707         case MVLC_GET:
 708         {
 709             char    value[512];
 710             int     i;
 711             float   f;
 712             char    *psz;
 713             lldiv_t div;
 714
 715             if( *m->param1  == '\0' )
 716             {
 717                 break;
 718             }
 719
 720             switch( E_(StrToMacroType)( m->param2 ) )
 721             {
 722                 case MVLC_INT:
 723                     i = config_GetInt( p_intf, m->param1 );
 724                     sprintf( value, "%d", i );
 725                     break;
 726                 case MVLC_FLOAT:
 727                     f = config_GetFloat( p_intf, m->param1 );
 728                     div = lldiv( f * 1000000 , 1000000 );
 729                     sprintf( value, "%lld.%06u", div.quot,
 730                             (unsigned int)div.rem );
 731                     break;
 732                 case MVLC_STRING:
 733                     psz = config_GetPsz( p_intf, m->param1 );
 734                     if( psz != NULL )
 735                     {
 736                         strlcpy( value, psz,sizeof( value ) );
 737                         free( psz );
 738                     }
 739                     else
 740                         *value = '\0';
 741                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 742                     break;
 743                 default:
 744                     snprintf( value, sizeof( value ),
 745                               "invalid type(%s) in set", m->param2 );
 746                     break;
 747             }
 748             PRINTS( "%s", value );
 749             break;
 750         }
 751         case MVLC_VALUE:
 752         {
 753             char *s, *v;
 754
 755             if( m->param1 )
 756             {
 757                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 758                 s = E_(SSPop)( &p_args->stack );
 759                 v = E_(mvar_GetValue)( p_args->vars, s );
 760             }
 761             else
 762             {
 763                 v = s = E_(SSPop)( &p_args->stack );
 764             }
 765
 766             PRINTS( "%s", v );
 767             free( s );
 768             break;
 769         }
 770         case MVLC_RPN:
 771             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 772             break;
 773
 774         /* Useful to learn stack management */
 775         case MVLC_STACK:
 776         {
 777             int i;
 778             msg_Dbg( p_intf, "stack" );
 779             for (i=0;i<(&p_args->stack)->i_stack;i++)
 780                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 781             break;
 782         }
 783
 784         case MVLC_UNKNOWN:
 785         default:
 786             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 787             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 788             break;
 789     }
 790 #undef PRINTS
 791 #undef PRINT
 792 #undef ALLOC
 793 }
 794
 795 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 796 {
 797     int     i_id;
 798     int     i_level = 0;
 799
 800     while( src < end )
 801     {
 802         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 803         {
 804             int i_skip;
 805             macro_t m;
 806
 807             i_skip = E_(MacroParse)( &m, src );
 808
 809             i_id = E_(StrToMacroType)( m.id );
 810
 811             switch( i_id )
 812             {
 813                 case MVLC_IF:
 814                 case MVLC_FOREACH:
 815                     i_level++;
 816                     break;
 817                 case MVLC_END:
 818                     i_level--;
 819                     break;
 820                 default:
 821                     break;
 822             }
 823
 824             E_(MacroClean)( &m );
 825
 826             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 827                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 828             {
 829                 return src + ( b_after ? i_skip : 0 );
 830             }
 831             else if( i_level < 0 )
 832             {
 833                 return NULL;
 834             }
 835
 836             src += i_skip;
 837         }
 838         else
 839         {
 840             src++;
 841         }
 842     }
 843
 844     return NULL;
 845 }
 846
 847 void E_(Execute)( httpd_file_sys_t *p_args,
 848                      char *p_request, int i_request,
 849                      char **pp_data, int *pi_data,
 850                      char **pp_dst,
 851                      char *_src, char *_end )
 852 {
 853     intf_thread_t  *p_intf = p_args->p_intf;
 854
 855     char *src, *dup, *end;
 856     char *dst = *pp_dst;
 857
 858     src = dup = malloc( _end - _src + 1 );
 859     end = src +( _end - _src );
 860
 861     memcpy( src, _src, _end - _src );
 862     *end = '\0';
 863
 864     /* we parse searching <vlc */
 865     while( src < end )
 866     {
 867         char *p;
 868         int i_copy;
 869
 870         p = (char *)strstr( (char *)src, "<vlc" );
 871         if( p < end && p == src )
 872         {
 873             macro_t m;
 874
 875             src += E_(MacroParse)( &m, src );
 876
 877             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 878
 879             switch( E_(StrToMacroType)( m.id ) )
 880             {
 881                 case MVLC_INCLUDE:
 882                 {
 883                     FILE *f;
 884                     int  i_buffer;
 885                     char *p_buffer;
 886                     char psz_file[MAX_DIR_SIZE];
 887                     char *p;
 888                     char sep;
 889
 890 #if defined( WIN32 )
 891                     sep = '\\';
 892 #else
 893                     sep = '/';
 894 #endif
 895
 896                     if( m.param1[0] != sep )
 897                     {
 898                         strcpy( psz_file, p_args->file );
 899                         p = strrchr( psz_file, sep );
 900                         if( p != NULL )
 901                             strcpy( p + 1, m.param1 );
 902                         else
 903                             strcpy( psz_file, m.param1 );
 904                     }
 905                     else
 906                     {
 907                         strcpy( psz_file, m.param1 );
 908                     }
 909
 910                     /* We hereby assume that psz_file is in the
 911                      * local character encoding */
 912                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 913                     {
 914                         msg_Warn( p_args->p_intf,
 915                                   "unable to include file %s (%s)",
 916                                   psz_file, strerror(errno) );
 917                         break;
 918                     }
 919
 920                     /* first we load in a temporary buffer */
 921                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 922
 923                     /* we parse executing all  <vlc /> macros */
 924                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 925                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 926                     free( p_buffer );
 927                     fclose(f);
 928                     break;
 929                 }
 930                 case MVLC_IF:
 931                 {
 932                     vlc_bool_t i_test;
 933                     char    *endif;
 934
 935                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 936                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 937                     {
 938                         i_test = 1;
 939                     }
 940                     else
 941                     {
 942                         i_test = 0;
 943                     }
 944                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 945
 946                     if( i_test == 0 )
 947                     {
 948                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 949
 950                         if( start )
 951                         {
 952                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 953                             if( stop )
 954                             {
 955                                 E_(Execute)( p_args, p_request, i_request,
 956                                          pp_data, pi_data, &dst, start, stop );
 957                             }
 958                         }
 959                     }
 960                     else if( i_test == 1 )
 961                     {
 962                         char *stop;
 963                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 964                         {
 965                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 966                         }
 967                         if( stop )
 968                         {
 969                             E_(Execute)( p_args, p_request, i_request,
 970                                      pp_data, pi_data, &dst, src, stop );
 971                         }
 972                     }
 973
 974                     src = endif;
 975                     break;
 976                 }
 977                 case MVLC_FOREACH:
 978                 {
 979                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 980                     char *start = src;
 981                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 982
 983                     if( stop )
 984                     {
 985                         mvar_t *index;
 986                         int    i_idx;
 987                         mvar_t *v;
 988                         if( !strcmp( m.param2, "integer" ) )
 989                         {
 990                             char *arg = E_(SSPop)( &p_args->stack );
 991                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
 992                             free( arg );
 993                         }
 994                         else if( !strcmp( m.param2, "directory" ) )
 995                         {
 996                             char *arg = E_(SSPop)( &p_args->stack );
 997                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
 998                             free( arg );
 999                         }
1000                         else if( !strcmp( m.param2, "object" ) )
1001                         {
1002                             char *arg = E_(SSPop)( &p_args->stack );
1003                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1004                             free( arg );
1005                         }
1006                         else if( !strcmp( m.param2, "playlist" ) )
1007                         {
1008                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1009                                                     p_intf->p_sys->p_playlist );
1010                         }
1011                         else if( !strcmp( m.param2, "information" ) )
1012                         {
1013                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1014                                                      p_intf->p_sys->p_input );
1015                         }
1016                         else if( !strcmp( m.param2, "program" )
1017                                   || !strcmp( m.param2, "title" )
1018                                   || !strcmp( m.param2, "chapter" )
1019                                   || !strcmp( m.param2, "audio-es" )
1020                                   || !strcmp( m.param2, "video-es" )
1021                                   || !strcmp( m.param2, "spu-es" ) )
1022                         {
1023                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1024                                                          p_intf->p_sys->p_input,
1025                                                          m.param2 );
1026                         }
1027                         else if( !strcmp( m.param2, "vlm" ) )
1028                         {
1029                             if( p_intf->p_sys->p_vlm == NULL )
1030                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1031                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1032                         }
1033 #if 0
1034                         else if( !strcmp( m.param2, "hosts" ) )
1035                         {
1036                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1037                         }
1038                         else if( !strcmp( m.param2, "urls" ) )
1039                         {
1040                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1041                         }
1042                         else if( !strcmp( m.param2, "connections" ) )
1043                         {
1044                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1045                         }
1046 #endif
1047                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1048                         {
1049                             index = E_(mvar_Duplicate)( v );
1050                         }
1051                         else
1052                         {
1053                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1054                             src = endfor;
1055                             break;
1056                         }
1057
1058                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1059                         {
1060                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1061
1062                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1063
1064                             free( f->name );
1065                             f->name = strdup( m.param1 );
1066
1067
1068                             E_(mvar_PushVar)( p_args->vars, f );
1069                             E_(Execute)( p_args, p_request, i_request,
1070                                      pp_data, pi_data, &dst, start, stop );
1071                             E_(mvar_RemoveVar)( p_args->vars, f );
1072
1073                             E_(mvar_Delete)( f );
1074                         }
1075                         E_(mvar_Delete)( index );
1076
1077                         src = endfor;
1078                     }
1079                     break;
1080                 }
1081                 default:
1082                     E_(MacroDo)( p_args, &m, p_request, i_request,
1083                                  pp_data, pi_data, &dst );
1084                     break;
1085             }
1086
1087             E_(MacroClean)( &m );
1088             continue;
1089         }
1090
1091         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1092         if( i_copy > 0 )
1093         {
1094             int i_index = dst - *pp_data;
1095
1096             *pi_data += i_copy;
1097             *pp_data = realloc( *pp_data, *pi_data );
1098             dst = (*pp_data) + i_index;
1099
1100             memcpy( dst, src, i_copy );
1101             dst += i_copy;
1102             src += i_copy;
1103         }
1104     }
1105
1106     *pp_dst = dst;
1107     free( dup );
1108 }