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                                       VLC_TRUE, NULL,
 201                                       playlist_ItemGetById( p_sys->p_playlist,
 202                                       i_item, VLC_TRUE ) );
 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                                       VLC_TRUE );
 209                     msg_Dbg( p_intf, "requested playlist stop" );
 210                     break;
 211                 case MVLC_PAUSE:
 212                     playlist_Control( p_sys->p_playlist, PLAYLIST_PAUSE,
 213                                       VLC_TRUE );
 214                     msg_Dbg( p_intf, "requested playlist pause" );
 215                     break;
 216                 case MVLC_NEXT:
 217                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 218                                       VLC_TRUE, 1 );
 219                     msg_Dbg( p_intf, "requested playlist next" );
 220                     break;
 221                 case MVLC_PREVIOUS:
 222                     playlist_Control( p_sys->p_playlist, PLAYLIST_SKIP,
 223                                       VLC_TRUE, -1 );
 224                     msg_Dbg( p_intf, "requested playlist previous" );
 225                     break;
 226                 case MVLC_FULLSCREEN:
 227                     if( p_sys->p_input )
 228                     {
 229                         vout_thread_t *p_vout;
 230                         p_vout = vlc_object_find( p_sys->p_input,
 231                                                   VLC_OBJECT_VOUT, FIND_CHILD );
 232
 233                         if( p_vout )
 234                         {
 235                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 236                             vlc_object_release( p_vout );
 237                             msg_Dbg( p_intf, "requested fullscreen toggle" );
 238                         }
 239                     }
 240                     break;
 241                 case MVLC_SEEK:
 242                 {
 243                     char value[30];
 244                     E_(ExtractURIValue)( p_request, "seek_value", value, 30 );
 245                     decode_URI( value );
 246                     E_(HandleSeek)( p_intf, value );
 247                     break;
 248                 }
 249                 case MVLC_VOLUME:
 250                 {
 251                     char vol[8];
 252                     audio_volume_t i_volume;
 253                     int i_value;
 254
 255                     E_(ExtractURIValue)( p_request, "value", vol, 8 );
 256                     aout_VolumeGet( p_intf, &i_volume );
 257                     decode_URI( vol );
 258
 259                     if( vol[0] == '+' )
 260                     {
 261                         i_value = atoi( vol + 1 );
 262                         if( (i_volume + i_value) > AOUT_VOLUME_MAX )
 263                         {
 264                             aout_VolumeSet( p_intf , AOUT_VOLUME_MAX );
 265                             msg_Dbg( p_intf, "requested volume set: max" );
 266                         }
 267                         else
 268                         {
 269                             aout_VolumeSet( p_intf , (i_volume + i_value) );
 270                             msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) );
 271                         }
 272                     }
 273                     else if( vol[0] == '-' )
 274                     {
 275                         i_value = atoi( vol + 1 );
 276                         if( (i_volume - i_value) < AOUT_VOLUME_MIN )
 277                         {
 278                             aout_VolumeSet( p_intf , AOUT_VOLUME_MIN );
 279                             msg_Dbg( p_intf, "requested volume set: min" );
 280                         }
 281                         else
 282                         {
 283                             aout_VolumeSet( p_intf , (i_volume - i_value) );
 284                             msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) );
 285                         }
 286                     }
 287                     else if( strstr(vol, "%") != NULL )
 288                     {
 289                         i_value = atoi( vol );
 290                         if( (i_value <= 400) && (i_value>=0) ){
 291                             aout_VolumeSet( p_intf, (i_value * (AOUT_VOLUME_MAX - AOUT_VOLUME_MIN))/400+AOUT_VOLUME_MIN);
 292                             msg_Dbg( p_intf, "requested volume set: %i%%", atoi( vol ));
 293                         }
 294                     }
 295                     else
 296                     {
 297                         i_value = atoi( vol );
 298                         if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) )
 299                         {
 300                             aout_VolumeSet( p_intf , atoi( vol ) );
 301                             msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) );
 302                         }
 303                     }
 304                     break;
 305                 }
 306
 307                 /* playlist management */
 308                 case MVLC_ADD:
 309                 {
 310                     char mrl[1024], psz_name[1024], tmp[1024];
 311                     char *p, *str;
 312                     input_item_t *p_input;
 313
 314                     E_(ExtractURIValue)( p_request, "mrl", tmp, 1024 );
 315                     decode_URI( tmp );
 316                     E_(ExtractURIValue)( p_request, "name", psz_name, 1024 );
 317                     decode_URI( psz_name );
 318                     if( !*psz_name )
 319                     {
 320                         memcpy( psz_name, tmp, 1024 );
 321                     }
 322                     /* addslashes for backward compatibility with the old
 323                      * http intf */
 324                     p = mrl; str = tmp;
 325                     while( *str != '\0' )
 326                     {
 327                         if( *str == '"' || *str == '\'' || *str == '\\' )
 328                         {
 329                             *p++ = '\\';
 330                         }
 331                         *p++ = *str;
 332                         str++;
 333                     }
 334                     *p = '\0';
 335
 336                     p_input = E_(MRLParse)( p_intf, mrl, psz_name );
 337
 338                     char *psz_uri = input_item_GetURI( p_input );
 339                     if( !p_input || !psz_uri || !*psz_uri )
 340                     {
 341                         msg_Dbg( p_intf, "invalid requested mrl: %s", mrl );
 342                     }
 343                     else
 344                     {
 345                         playlist_AddInput( p_sys->p_playlist, p_input,
 346                                      PLAYLIST_APPEND, PLAYLIST_END, VLC_TRUE,
 347                                      VLC_FALSE);
 348                         msg_Dbg( p_intf, "requested mrl add: %s", mrl );
 349                     }
 350                     free( psz_uri );
 351
 352                     break;
 353                 }
 354                 case MVLC_DEL:
 355                 {
 356                     int i_item, *p_items = NULL, i_nb_items = 0;
 357                     char item[512], *p_parser = p_request;
 358
 359                     /* Get the list of items to delete */
 360                     while( (p_parser =
 361                             E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 362                     {
 363                         if( !*item ) continue;
 364
 365                         i_item = atoi( item );
 366                         p_items = realloc( p_items, (i_nb_items + 1) *
 367                                            sizeof(int) );
 368                         p_items[i_nb_items] = i_item;
 369                         i_nb_items++;
 370                     }
 371
 372                     if( i_nb_items )
 373                     {
 374                         int i;
 375                         for( i = 0; i < i_nb_items; i++ )
 376                         {
 377                             playlist_DeleteFromInput( p_sys->p_playlist,
 378                                                       p_items[i], VLC_FALSE );
 379                             msg_Dbg( p_intf, "requested playlist delete: %d",
 380                                      p_items[i] );
 381                             p_items[i] = -1;
 382                         }
 383                     }
 384
 385                     if( p_items ) free( p_items );
 386                     break;
 387                 }
 388                 case MVLC_KEEP:
 389                 {
 390                     int i_item, *p_items = NULL, i_nb_items = 0;
 391                     char item[512], *p_parser = p_request;
 392                     int i,j;
 393
 394                     /* Get the list of items to keep */
 395                     while( (p_parser =
 396                        E_(ExtractURIValue)( p_parser, "item", item, 512 )) )
 397                     {
 398                         if( !*item ) continue;
 399
 400                         i_item = atoi( item );
 401                         p_items = realloc( p_items, (i_nb_items + 1) *
 402                                            sizeof(int) );
 403                         p_items[i_nb_items] = i_item;
 404                         i_nb_items++;
 405                     }
 406
 407                     for( i = p_sys->p_playlist->items.i_size - 1 ; i >= 0; i-- )
 408                     {
 409                         /* Check if the item is in the keep list */
 410                         for( j = 0 ; j < i_nb_items ; j++ )
 411                         {
 412                             if( p_items[j] ==
 413                                  ARRAY_VAL(p_sys->p_playlist->items,i)
 414                                                 ->i_id)
 415                                 break;
 416                         }
 417                         if( j == i_nb_items )
 418                         {
 419                             playlist_DeleteFromInput( p_sys->p_playlist,
 420                                      p_sys->p_playlist->items.p_elems[i]->i_id,
 421                                                       VLC_FALSE );
 422                             msg_Dbg( p_intf, "requested playlist delete: %d",
 423                                      i );
 424                         }
 425                     }
 426
 427                     if( p_items ) free( p_items );
 428                     break;
 429                 }
 430                 case MVLC_EMPTY:
 431                 {
 432                     playlist_Clear( p_sys->p_playlist, VLC_FALSE );
 433                     msg_Dbg( p_intf, "requested playlist empty" );
 434                     break;
 435                 }
 436                 case MVLC_SORT:
 437                 {
 438                     char type[12];
 439                     char order[2];
 440                     char item[512];
 441                     int i_order;
 442                     int i_item;
 443
 444                     E_(ExtractURIValue)( p_request, "type", type, 12 );
 445                     E_(ExtractURIValue)( p_request, "order", order, 2 );
 446                     E_(ExtractURIValue)( p_request, "item", item, 512 );
 447                     i_item = atoi( item );
 448
 449                     if( order[0] == '0' ) i_order = ORDER_NORMAL;
 450                     else i_order = ORDER_REVERSE;
 451
 452                     if( !strcmp( type , "title" ) )
 453                     {
 454                         playlist_RecursiveNodeSort( p_sys->p_playlist,
 455                                                     /* Ugly hack,but not worse than before ... */
 456                                                     p_sys->p_playlist->p_root_onelevel,
 457                                                     SORT_TITLE_NODES_FIRST,
 458                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 459                         msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order );
 460                     }
 461                     else if( !strcmp( type , "author" ) )
 462                     {
 463                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 464                                                     p_sys->p_playlist->p_root_onelevel,
 465                                                     SORT_ARTIST,
 466                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 467                         msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order );
 468                     }
 469                     else if( !strcmp( type , "shuffle" ) )
 470                     {
 471                         playlist_RecursiveNodeSort( p_sys->p_playlist, /*playlist_ItemGetById( p_sys->p_playlist, i_item ),*/
 472                                                     p_sys->p_playlist->p_root_onelevel,
 473                                                     SORT_RANDOM,
 474                                                     ( i_order == 0 ) ? ORDER_NORMAL : ORDER_REVERSE );
 475                         msg_Dbg( p_intf, "requested playlist shuffle");
 476                     }
 477
 478                     break;
 479                 }
 480                 case MVLC_MOVE:
 481                 {
 482                     char psz_pos[6];
 483                     char psz_newpos[6];
 484                     int i_pos;
 485                     int i_newpos;
 486                     E_(ExtractURIValue)( p_request, "psz_pos", psz_pos, 6 );
 487                     E_(ExtractURIValue)( p_request, "psz_newpos", psz_newpos, 6 );
 488                     i_pos = atoi( psz_pos );
 489                     i_newpos = atoi( psz_newpos );
 490                     /* FIXME FIXME TODO TODO XXX XXX
 491                     ( duplicate from rpn.c )
 492                     if ( i_pos < i_newpos )
 493                     {
 494                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 );
 495                     }
 496                     else
 497                     {
 498                         playlist_Move( p_sys->p_playlist, i_pos, i_newpos );
 499                     }
 500                     msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos);
 501                     FIXME FIXME TODO TODO XXX XXX */
 502                     break;
 503                 }
 504
 505                 /* admin function */
 506                 case MVLC_CLOSE:
 507                 {
 508                     char id[512];
 509                     E_(ExtractURIValue)( p_request, "id", id, 512 );
 510                     msg_Dbg( p_intf, "requested close id=%s", id );
 511 #if 0
 512                     if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) )
 513                     {
 514                         msg_Warn( p_intf, "close failed for id=%s", id );
 515                     }
 516 #endif
 517                     break;
 518                 }
 519                 case MVLC_SHUTDOWN:
 520                 {
 521                     msg_Dbg( p_intf, "requested shutdown" );
 522                     vlc_object_kill( p_intf->p_libvlc );
 523                     break;
 524                 }
 525                 /* vlm */
 526                 case MVLC_VLM_NEW:
 527                 case MVLC_VLM_SETUP:
 528                 {
 529                     static const char *vlm_properties[11] =
 530                     {
 531                         /* no args */
 532                         "enabled", "disabled", "loop", "unloop",
 533                         /* args required */
 534                         "input", "output", "option", "date", "period", "repeat", "append",
 535                     };
 536                     vlm_message_t *vlm_answer;
 537                     char name[512];
 538                     char *psz = malloc( strlen( p_request ) + 1000 );
 539                     char *p = psz;
 540                     char *vlm_error;
 541                     int i;
 542
 543                     if( p_intf->p_sys->p_vlm == NULL )
 544                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 545
 546                     if( p_intf->p_sys->p_vlm == NULL ) break;
 547
 548                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 549                     if( E_(StrToMacroType)( control ) == MVLC_VLM_NEW )
 550                     {
 551                         char type[20];
 552                         E_(ExtractURIValue)( p_request, "type", type, 20 );
 553                         p += sprintf( psz, "new %s %s", name, type );
 554                     }
 555                     else
 556                     {
 557                         p += sprintf( psz, "setup %s", name );
 558                     }
 559                     /* Parse the request */
 560                     for( i = 0; i < 11; i++ )
 561                     {
 562                         char val[512];
 563                         E_(ExtractURIValue)( p_request,
 564                                                vlm_properties[i], val, 512 );
 565                         decode_URI( val );
 566                         if( strlen( val ) > 0 && i >= 4 )
 567                         {
 568                             p += sprintf( p, " %s %s", vlm_properties[i], val );
 569                         }
 570                         else if( E_(TestURIParam)( p_request, vlm_properties[i] ) && i < 4 )
 571                         {
 572                             p += sprintf( p, " %s", vlm_properties[i] );
 573                         }
 574                     }
 575                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 576                     if( vlm_answer->psz_value == NULL ) /* there is no error */
 577                     {
 578                         vlm_error = strdup( "" );
 579                     }
 580                     else
 581                     {
 582                         vlm_error = malloc( strlen(vlm_answer->psz_name) +
 583                                             strlen(vlm_answer->psz_value) +
 584                                             strlen( " : ") + 1 );
 585                         sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name,
 586                                                          vlm_answer->psz_value );
 587                     }
 588
 589                     E_(mvar_AppendNewVar)( p_args->vars, "vlm_error", vlm_error );
 590
 591                     vlm_MessageDelete( vlm_answer );
 592                     free( vlm_error );
 593                     free( psz );
 594                     break;
 595                 }
 596
 597                 case MVLC_VLM_DEL:
 598                 {
 599                     vlm_message_t *vlm_answer;
 600                     char name[512];
 601                     char psz[512+10];
 602                     if( p_intf->p_sys->p_vlm == NULL )
 603                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 604
 605                     if( p_intf->p_sys->p_vlm == NULL ) break;
 606
 607                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 608                     sprintf( psz, "del %s", name );
 609
 610                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 611                     /* FIXME do a vlm_answer -> var stack conversion */
 612                     vlm_MessageDelete( vlm_answer );
 613                     break;
 614                 }
 615
 616                 case MVLC_VLM_PLAY:
 617                 case MVLC_VLM_PAUSE:
 618                 case MVLC_VLM_STOP:
 619                 case MVLC_VLM_SEEK:
 620                 {
 621                     vlm_message_t *vlm_answer;
 622                     char name[512];
 623                     char psz[512+10];
 624                     if( p_intf->p_sys->p_vlm == NULL )
 625                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 626
 627                     if( p_intf->p_sys->p_vlm == NULL ) break;
 628
 629                     E_(ExtractURIValue)( p_request, "name", name, 512 );
 630                     if( E_(StrToMacroType)( control ) == MVLC_VLM_PLAY )
 631                         sprintf( psz, "control %s play", name );
 632                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_PAUSE )
 633                         sprintf( psz, "control %s pause", name );
 634                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_STOP )
 635                         sprintf( psz, "control %s stop", name );
 636                     else if( E_(StrToMacroType)( control ) == MVLC_VLM_SEEK )
 637                     {
 638                         char percent[20];
 639                         E_(ExtractURIValue)( p_request, "percent", percent, 512 );
 640                         sprintf( psz, "control %s seek %s", name, percent );
 641                     }
 642
 643                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 644                     /* FIXME do a vlm_answer -> var stack conversion */
 645                     vlm_MessageDelete( vlm_answer );
 646                     break;
 647                 }
 648                 case MVLC_VLM_LOAD:
 649                 case MVLC_VLM_SAVE:
 650                 {
 651                     vlm_message_t *vlm_answer;
 652                     char file[512];
 653                     char psz[512];
 654
 655                     if( p_intf->p_sys->p_vlm == NULL )
 656                         p_intf->p_sys->p_vlm = vlm_New( p_intf );
 657
 658                     if( p_intf->p_sys->p_vlm == NULL ) break;
 659
 660                     E_(ExtractURIValue)( p_request, "file", file, 512 );
 661                     decode_URI( file );
 662
 663                     if( E_(StrToMacroType)( control ) == MVLC_VLM_LOAD )
 664                         sprintf( psz, "load %s", file );
 665                     else
 666                         sprintf( psz, "save %s", file );
 667
 668                     vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer );
 669                     /* FIXME do a vlm_answer -> var stack conversion */
 670                     vlm_MessageDelete( vlm_answer );
 671                     break;
 672                 }
 673
 674                 default:
 675                     if( *control )
 676                     {
 677                         PRINTS( "<!-- control param(%s) unsupported -->", control );
 678                     }
 679                     break;
 680             }
 681             break;
 682
 683         case MVLC_SET:
 684         {
 685             char    value[512];
 686             int     i;
 687             float   f;
 688
 689             if( i_request <= 0 ||
 690                 *m->param1  == '\0' ||
 691                 strstr( p_request, m->param1 ) == NULL )
 692             {
 693                 break;
 694             }
 695             E_(ExtractURIValue)( p_request, m->param1,  value, 512 );
 696             decode_URI( value );
 697
 698             switch( E_(StrToMacroType)( m->param2 ) )
 699             {
 700                 case MVLC_INT:
 701                     i = atoi( value );
 702                     config_PutInt( p_intf, m->param1, i );
 703                     break;
 704                 case MVLC_FLOAT:
 705                     f = atof( value );
 706                     config_PutFloat( p_intf, m->param1, f );
 707                     break;
 708                 case MVLC_STRING:
 709                     config_PutPsz( p_intf, m->param1, value );
 710                     break;
 711                 default:
 712                     PRINTS( "<!-- invalid type(%s) in set -->", m->param2 )
 713             }
 714             break;
 715         }
 716         case MVLC_GET:
 717         {
 718             char    value[512];
 719             int     i;
 720             float   f;
 721             char    *psz;
 722             lldiv_t div;
 723
 724             if( *m->param1  == '\0' )
 725             {
 726                 break;
 727             }
 728
 729             switch( E_(StrToMacroType)( m->param2 ) )
 730             {
 731                 case MVLC_INT:
 732                     i = config_GetInt( p_intf, m->param1 );
 733                     sprintf( value, "%d", i );
 734                     break;
 735                 case MVLC_FLOAT:
 736                     f = config_GetFloat( p_intf, m->param1 );
 737                     div = lldiv( f * 1000000 , 1000000 );
 738                     sprintf( value, "%lld.%06u", div.quot,
 739                             (unsigned int)div.rem );
 740                     break;
 741                 case MVLC_STRING:
 742                     psz = config_GetPsz( p_intf, m->param1 );
 743                     if( psz != NULL )
 744                     {
 745                         strlcpy( value, psz,sizeof( value ) );
 746                         free( psz );
 747                     }
 748                     else
 749                         *value = '\0';
 750                     msg_Dbg( p_intf, "%d: value = \"%s\"", __LINE__, value );
 751                     break;
 752                 default:
 753                     snprintf( value, sizeof( value ),
 754                               "invalid type(%s) in set", m->param2 );
 755                     break;
 756             }
 757             PRINTS( "%s", value );
 758             break;
 759         }
 760         case MVLC_VALUE:
 761         {
 762             char *s, *v;
 763
 764             if( m->param1 )
 765             {
 766                 E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 767                 s = E_(SSPop)( &p_args->stack );
 768                 v = E_(mvar_GetValue)( p_args->vars, s );
 769             }
 770             else
 771             {
 772                 v = s = E_(SSPop)( &p_args->stack );
 773             }
 774
 775             PRINTS( "%s", v );
 776             free( s );
 777             break;
 778         }
 779         case MVLC_RPN:
 780             E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m->param1 );
 781             break;
 782
 783         /* Useful to learn stack management */
 784         case MVLC_STACK:
 785         {
 786             int i;
 787             msg_Dbg( p_intf, "stack" );
 788             for (i=0;i<(&p_args->stack)->i_stack;i++)
 789                 msg_Dbg( p_intf, "%d -> %s", i, (&p_args->stack)->stack[i] );
 790             break;
 791         }
 792
 793         case MVLC_UNKNOWN:
 794         default:
 795             PRINTS( "<!-- invalid macro id=`%s' -->", m->id );
 796             msg_Dbg( p_intf, "invalid macro id=`%s'", m->id );
 797             break;
 798     }
 799 #undef PRINTS
 800 #undef PRINT
 801 #undef ALLOC
 802 }
 803
 804 char *E_(MacroSearch)( char *src, char *end, int i_mvlc, vlc_bool_t b_after )
 805 {
 806     int     i_id;
 807     int     i_level = 0;
 808
 809     while( src < end )
 810     {
 811         if( src + 4 < end  && !strncmp( (char *)src, "<vlc", 4 ) )
 812         {
 813             int i_skip;
 814             macro_t m;
 815
 816             i_skip = E_(MacroParse)( &m, src );
 817
 818             i_id = E_(StrToMacroType)( m.id );
 819
 820             switch( i_id )
 821             {
 822                 case MVLC_IF:
 823                 case MVLC_FOREACH:
 824                     i_level++;
 825                     break;
 826                 case MVLC_END:
 827                     i_level--;
 828                     break;
 829                 default:
 830                     break;
 831             }
 832
 833             E_(MacroClean)( &m );
 834
 835             if( ( i_mvlc == MVLC_END && i_level == -1 ) ||
 836                 ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) )
 837             {
 838                 return src + ( b_after ? i_skip : 0 );
 839             }
 840             else if( i_level < 0 )
 841             {
 842                 return NULL;
 843             }
 844
 845             src += i_skip;
 846         }
 847         else
 848         {
 849             src++;
 850         }
 851     }
 852
 853     return NULL;
 854 }
 855
 856 void E_(Execute)( httpd_file_sys_t *p_args,
 857                      char *p_request, int i_request,
 858                      char **pp_data, int *pi_data,
 859                      char **pp_dst,
 860                      char *_src, char *_end )
 861 {
 862     intf_thread_t  *p_intf = p_args->p_intf;
 863
 864     char *src, *dup, *end;
 865     char *dst = *pp_dst;
 866
 867     src = dup = malloc( _end - _src + 1 );
 868     end = src +( _end - _src );
 869
 870     memcpy( src, _src, _end - _src );
 871     *end = '\0';
 872
 873     /* we parse searching <vlc */
 874     while( src < end )
 875     {
 876         char *p;
 877         int i_copy;
 878
 879         p = (char *)strstr( (char *)src, "<vlc" );
 880         if( p < end && p == src )
 881         {
 882             macro_t m;
 883
 884             src += E_(MacroParse)( &m, src );
 885
 886             //msg_Dbg( p_intf, "macro_id=%s", m.id );
 887
 888             switch( E_(StrToMacroType)( m.id ) )
 889             {
 890                 case MVLC_INCLUDE:
 891                 {
 892                     FILE *f;
 893                     int  i_buffer;
 894                     char *p_buffer;
 895                     char psz_file[MAX_DIR_SIZE];
 896                     char *p;
 897                     char sep;
 898
 899 #if defined( WIN32 )
 900                     sep = '\\';
 901 #else
 902                     sep = '/';
 903 #endif
 904
 905                     if( m.param1[0] != sep )
 906                     {
 907                         strcpy( psz_file, p_args->file );
 908                         p = strrchr( psz_file, sep );
 909                         if( p != NULL )
 910                             strcpy( p + 1, m.param1 );
 911                         else
 912                             strcpy( psz_file, m.param1 );
 913                     }
 914                     else
 915                     {
 916                         strcpy( psz_file, m.param1 );
 917                     }
 918
 919                     /* We hereby assume that psz_file is in the
 920                      * local character encoding */
 921                     if( ( f = fopen( psz_file, "r" ) ) == NULL )
 922                     {
 923                         msg_Warn( p_args->p_intf,
 924                                   "unable to include file %s (%m)",
 925                                   psz_file );
 926                         break;
 927                     }
 928
 929                     /* first we load in a temporary buffer */
 930                     E_(FileLoad)( f, &p_buffer, &i_buffer );
 931
 932                     /* we parse executing all  <vlc /> macros */
 933                     E_(Execute)( p_args, p_request, i_request, pp_data, pi_data,
 934                              &dst, &p_buffer[0], &p_buffer[i_buffer] );
 935                     free( p_buffer );
 936                     fclose(f);
 937                     break;
 938                 }
 939                 case MVLC_IF:
 940                 {
 941                     vlc_bool_t i_test;
 942                     char    *endif;
 943
 944                     E_(EvaluateRPN)( p_intf, p_args->vars, &p_args->stack, m.param1 );
 945                     if( E_(SSPopN)( &p_args->stack, p_args->vars ) )
 946                     {
 947                         i_test = 1;
 948                     }
 949                     else
 950                     {
 951                         i_test = 0;
 952                     }
 953                     endif = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 954
 955                     if( i_test == 0 )
 956                     {
 957                         char *start = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_TRUE );
 958
 959                         if( start )
 960                         {
 961                             char *stop  = E_(MacroSearch)( start, endif, MVLC_END, VLC_FALSE );
 962                             if( stop )
 963                             {
 964                                 E_(Execute)( p_args, p_request, i_request,
 965                                          pp_data, pi_data, &dst, start, stop );
 966                             }
 967                         }
 968                     }
 969                     else if( i_test == 1 )
 970                     {
 971                         char *stop;
 972                         if( ( stop = E_(MacroSearch)( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL )
 973                         {
 974                             stop = E_(MacroSearch)( src, endif, MVLC_END, VLC_FALSE );
 975                         }
 976                         if( stop )
 977                         {
 978                             E_(Execute)( p_args, p_request, i_request,
 979                                      pp_data, pi_data, &dst, src, stop );
 980                         }
 981                     }
 982
 983                     src = endif;
 984                     break;
 985                 }
 986                 case MVLC_FOREACH:
 987                 {
 988                     char *endfor = E_(MacroSearch)( src, end, MVLC_END, VLC_TRUE );
 989                     char *start = src;
 990                     char *stop = E_(MacroSearch)( src, end, MVLC_END, VLC_FALSE );
 991
 992                     if( stop )
 993                     {
 994                         mvar_t *index;
 995                         int    i_idx;
 996                         mvar_t *v;
 997                         if( !strcmp( m.param2, "integer" ) )
 998                         {
 999                             char *arg = E_(SSPop)( &p_args->stack );
1000                             index = E_(mvar_IntegerSetNew)( m.param1, arg );
1001                             free( arg );
1002                         }
1003                         else if( !strcmp( m.param2, "directory" ) )
1004                         {
1005                             char *arg = E_(SSPop)( &p_args->stack );
1006                             index = E_(mvar_FileSetNew)( p_intf, m.param1, arg );
1007                             free( arg );
1008                         }
1009                         else if( !strcmp( m.param2, "object" ) )
1010                         {
1011                             char *arg = E_(SSPop)( &p_args->stack );
1012                             index = E_(mvar_ObjectSetNew)( p_intf, m.param1, arg );
1013                             free( arg );
1014                         }
1015                         else if( !strcmp( m.param2, "playlist" ) )
1016                         {
1017                             index = E_(mvar_PlaylistSetNew)( p_intf, m.param1,
1018                                                     p_intf->p_sys->p_playlist );
1019                         }
1020                         else if( !strcmp( m.param2, "information" ) )
1021                         {
1022                             index = E_(mvar_InfoSetNew)( p_intf, m.param1,
1023                                                      p_intf->p_sys->p_input );
1024                         }
1025                         else if( !strcmp( m.param2, "program" )
1026                                   || !strcmp( m.param2, "title" )
1027                                   || !strcmp( m.param2, "chapter" )
1028                                   || !strcmp( m.param2, "audio-es" )
1029                                   || !strcmp( m.param2, "video-es" )
1030                                   || !strcmp( m.param2, "spu-es" ) )
1031                         {
1032                             index = E_(mvar_InputVarSetNew)( p_intf, m.param1,
1033                                                          p_intf->p_sys->p_input,
1034                                                          m.param2 );
1035                         }
1036                         else if( !strcmp( m.param2, "vlm" ) )
1037                         {
1038                             if( p_intf->p_sys->p_vlm == NULL )
1039                                 p_intf->p_sys->p_vlm = vlm_New( p_intf );
1040                             index = E_(mvar_VlmSetNew)( m.param1, p_intf->p_sys->p_vlm );
1041                         }
1042 #if 0
1043                         else if( !strcmp( m.param2, "hosts" ) )
1044                         {
1045                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS );
1046                         }
1047                         else if( !strcmp( m.param2, "urls" ) )
1048                         {
1049                             index = E_(mvar_HttpdInfoSetNew)( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS );
1050                         }
1051                         else if( !strcmp( m.param2, "connections" ) )
1052                         {
1053                             index = E_(mvar_HttpdInfoSetNew)(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS);
1054                         }
1055 #endif
1056                         else if( ( v = E_(mvar_GetVar)( p_args->vars, m.param2 ) ) )
1057                         {
1058                             index = E_(mvar_Duplicate)( v );
1059                         }
1060                         else
1061                         {
1062                             msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 );
1063                             src = endfor;
1064                             break;
1065                         }
1066
1067                         for( i_idx = 0; i_idx < index->i_field; i_idx++ )
1068                         {
1069                             mvar_t *f = E_(mvar_Duplicate)( index->field[i_idx] );
1070
1071                             //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value );
1072
1073                             free( f->name );
1074                             f->name = strdup( m.param1 );
1075
1076
1077                             E_(mvar_PushVar)( p_args->vars, f );
1078                             E_(Execute)( p_args, p_request, i_request,
1079                                      pp_data, pi_data, &dst, start, stop );
1080                             E_(mvar_RemoveVar)( p_args->vars, f );
1081
1082                             E_(mvar_Delete)( f );
1083                         }
1084                         E_(mvar_Delete)( index );
1085
1086                         src = endfor;
1087                     }
1088                     break;
1089                 }
1090                 default:
1091                     E_(MacroDo)( p_args, &m, p_request, i_request,
1092                                  pp_data, pi_data, &dst );
1093                     break;
1094             }
1095
1096             E_(MacroClean)( &m );
1097             continue;
1098         }
1099
1100         i_copy =   ( (p == NULL || p > end ) ? end : p  ) - src;
1101         if( i_copy > 0 )
1102         {
1103             int i_index = dst - *pp_data;
1104
1105             *pi_data += i_copy;
1106             *pp_data = realloc( *pp_data, *pi_data );
1107             dst = (*pp_data) + i_index;
1108
1109             memcpy( dst, src, i_copy );
1110             dst += i_copy;
1111             src += i_copy;
1112         }
1113     }
1114
1115     *pp_dst = dst;
1116     free( dup );
1117 }