/***************************************************************************** * http.c : http mini-server ;) ***************************************************************************** * Copyright (C) 2001-2004 VideoLAN * $Id$ * * Authors: Gildas Bazin <gbazin@netcourrier.com> * Laurent Aimar <fenrir@via.ecp.fr> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ /* TODO: * - clean up ? * - doc ! (mouarf ;) */ #include <stdlib.h> #include <vlc/vlc.h> #include <vlc/intf.h> #include <vlc/aout.h> #include <vlc/vout.h> /* for fullscreen */ #include "vlc_httpd.h" #include "vlc_vlm.h" #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_ERRNO_H # include <errno.h> #endif #ifdef HAVE_FCNTL_H # include <fcntl.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #elif defined( WIN32 ) && !defined( UNDER_CE ) # include <io.h> #endif #if (!defined( WIN32 ) || defined(__MINGW32__)) /* Mingw has its own version of dirent */ # include <dirent.h> #endif /* stat() support for large files on win32 */ #if defined( WIN32 ) && !defined( UNDER_CE ) # define stat _stati64 #endif /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close( vlc_object_t * ); #define HOST_TEXT N_( "Host address" ) #define HOST_LONGTEXT N_( \ "You can set the address and port the http interface will bind to." ) #define SRC_TEXT N_( "Source directory" ) #define SRC_LONGTEXT N_( "Source directory" ) vlc_module_begin(); set_description( _("HTTP remote control interface") ); add_string ( "http-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE ); add_string ( "http-src", NULL, NULL, SRC_TEXT, SRC_LONGTEXT, VLC_TRUE ); set_capability( "interface", 0 ); set_callbacks( Open, Close ); vlc_module_end(); /***************************************************************************** * Local prototypes *****************************************************************************/ static void Run ( intf_thread_t *p_intf ); static int ParseDirectory( intf_thread_t *p_intf, char *psz_root, char *psz_dir ); static int DirectoryCheck( char *psz_dir ) { DIR *p_dir; #ifdef HAVE_SYS_STAT_H struct stat stat_info; if( stat( psz_dir, &stat_info ) == -1 || !S_ISDIR( stat_info.st_mode ) ) { return VLC_EGENERIC; } #endif if( ( p_dir = opendir( psz_dir ) ) == NULL ) { return VLC_EGENERIC; } closedir( p_dir ); return VLC_SUCCESS; } static int HttpCallback( httpd_file_sys_t *p_args, httpd_file_t *, uint8_t *p_request, uint8_t **pp_data, int *pi_data ); static char *uri_extract_value( char *psz_uri, const char *psz_name, char *psz_value, int i_value_max ); static int uri_test_param( char *psz_uri, const char *psz_name ); static void uri_decode_url_encoded( char *psz ); static char *Find_end_MRL( char *psz ); static playlist_item_t * parse_MRL( intf_thread_t * , char *psz ); /***************************************************************************** * *****************************************************************************/ typedef struct mvar_s { char *name; char *value; int i_field; struct mvar_s **field; } mvar_t; #define STACK_MAX 100 typedef struct { char *stack[STACK_MAX]; int i_stack; } rpn_stack_t; struct httpd_file_sys_t { intf_thread_t *p_intf; httpd_file_t *p_file; httpd_redirect_t *p_redir; char *file; char *name; vlc_bool_t b_html; /* inited for each access */ rpn_stack_t stack; mvar_t *vars; }; struct intf_sys_t { httpd_host_t *p_httpd_host; int i_files; httpd_file_sys_t **pp_files; playlist_t *p_playlist; input_thread_t *p_input; vlm_t *p_vlm; }; /***************************************************************************** * Activate: initialize and create stuff *****************************************************************************/ static int Open( vlc_object_t *p_this ) { intf_thread_t *p_intf = (intf_thread_t*)p_this; intf_sys_t *p_sys; char *psz_host; char *psz_address = ""; int i_port = 0; char *psz_src; psz_host = config_GetPsz( p_intf, "http-host" ); if( psz_host ) { char *psz_parser; psz_address = psz_host; psz_parser = strchr( psz_host, ':' ); if( psz_parser ) { *psz_parser++ = '\0'; i_port = atoi( psz_parser ); } } if( i_port <= 0 ) { i_port= 8080; } msg_Dbg( p_intf, "base %s:%d", psz_address, i_port ); p_intf->p_sys = p_sys = malloc( sizeof( intf_sys_t ) ); if( !p_intf->p_sys ) { return( VLC_ENOMEM ); } p_sys->p_playlist = NULL; p_sys->p_input = NULL; p_sys->p_vlm = NULL; p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_intf), psz_address, i_port ); if( p_sys->p_httpd_host == NULL ) { msg_Err( p_intf, "cannot listen on %s:%d", psz_address, i_port ); free( p_sys ); return VLC_EGENERIC; } if( psz_host ) { free( psz_host ); } p_sys->i_files = 0; p_sys->pp_files = NULL; #if defined(SYS_DARWIN) || defined(SYS_BEOS) || \ ( defined(WIN32) && !defined(UNDER_CE ) ) if ( ( psz_src = config_GetPsz( p_intf, "http-src" )) == NULL ) { char * psz_vlcpath = p_intf->p_libvlc->psz_vlcpath; psz_src = malloc( strlen(psz_vlcpath) + strlen("/share/http" ) + 1 ); if( !psz_src ) { return VLC_ENOMEM; } #if defined(WIN32) sprintf( psz_src, "%s/http", psz_vlcpath); #else sprintf( psz_src, "%s/share/http", psz_vlcpath); #endif } #else psz_src = config_GetPsz( p_intf, "http-src" ); if( !psz_src || *psz_src == '\0' ) { if( !DirectoryCheck( "share/http" ) ) { psz_src = strdup( "share/http" ); } else if( !DirectoryCheck( DATA_PATH "/http" ) ) { psz_src = strdup( DATA_PATH "/http" ); } } #endif if( !psz_src || *psz_src == '\0' ) { msg_Err( p_intf, "invalid src dir" ); goto failed; } /* remove trainling \ or / */ if( psz_src[strlen( psz_src ) - 1] == '\\' || psz_src[strlen( psz_src ) - 1] == '/' ) { psz_src[strlen( psz_src ) - 1] = '\0'; } ParseDirectory( p_intf, psz_src, psz_src ); if( p_sys->i_files <= 0 ) { msg_Err( p_intf, "cannot find any files (%s)", psz_src ); goto failed; } p_intf->pf_run = Run; free( psz_src ); return VLC_SUCCESS; failed: if( psz_src ) free( psz_src ); if( p_sys->pp_files ) { free( p_sys->pp_files ); } httpd_HostDelete( p_sys->p_httpd_host ); free( p_sys ); return VLC_EGENERIC; } /***************************************************************************** * CloseIntf: destroy interface *****************************************************************************/ void Close ( vlc_object_t *p_this ) { intf_thread_t *p_intf = (intf_thread_t *)p_this; intf_sys_t *p_sys = p_intf->p_sys; int i; if( p_sys->p_vlm ) { vlm_Delete( p_sys->p_vlm ); } for( i = 0; i < p_sys->i_files; i++ ) { httpd_FileDelete( p_sys->pp_files[i]->p_file ); if( p_sys->pp_files[i]->p_redir ) { httpd_RedirectDelete( p_sys->pp_files[i]->p_redir ); } free( p_sys->pp_files[i]->file ); free( p_sys->pp_files[i]->name ); free( p_sys->pp_files[i] ); } if( p_sys->pp_files ) { free( p_sys->pp_files ); } httpd_HostDelete( p_sys->p_httpd_host ); free( p_sys ); } /***************************************************************************** * Run: http interface thread *****************************************************************************/ static void Run( intf_thread_t *p_intf ) { intf_sys_t *p_sys = p_intf->p_sys; while( !p_intf->b_die ) { /* get the playlist */ if( p_sys->p_playlist == NULL ) { p_sys->p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE ); } /* Manage the input part */ if( p_sys->p_input == NULL ) { if( p_sys->p_playlist ) { p_sys->p_input = vlc_object_find( p_sys->p_playlist, VLC_OBJECT_INPUT, FIND_CHILD ); } } else if( p_sys->p_input->b_dead ) { vlc_object_release( p_sys->p_input ); p_sys->p_input = NULL; } /* Wait a bit */ msleep( INTF_IDLE_SLEEP ); } if( p_sys->p_input ) { vlc_object_release( p_sys->p_input ); p_sys->p_input = NULL; } if( p_sys->p_playlist ) { vlc_object_release( p_sys->p_playlist ); p_sys->p_playlist = NULL; } } /***************************************************************************** * Local functions *****************************************************************************/ #define MAX_DIR_SIZE 10240 /**************************************************************************** * FileToUrl: create a good name for an url from filename ****************************************************************************/ static char *FileToUrl( char *name ) { char *url, *p; url = p = malloc( strlen( name ) + 1 ); if( !url || !p ) { return NULL; } #ifdef WIN32 while( *name == '\\' || *name == '/' ) #else while( *name == '/' ) #endif { name++; } *p++ = '/'; strcpy( p, name ); #ifdef WIN32 /* convert '\\' into '/' */ name = p; while( *name ) { if( *name == '\\' ) { *p++ = '/'; } name++; } #endif /* index.* -> / */ if( ( p = strrchr( url, '/' ) ) != NULL ) { if( !strncmp( p, "/index.", 7 ) ) { p[1] = '\0'; } } return url; } /**************************************************************************** * ParseDirectory: parse recursively a directory, adding each file ****************************************************************************/ static int ParseDirectory( intf_thread_t *p_intf, char *psz_root, char *psz_dir ) { intf_sys_t *p_sys = p_intf->p_sys; char dir[MAX_DIR_SIZE]; #ifdef HAVE_SYS_STAT_H struct stat stat_info; #endif DIR *p_dir; struct dirent *p_dir_content; FILE *file; char *user = NULL; char *password = NULL; #ifdef HAVE_SYS_STAT_H if( stat( psz_dir, &stat_info ) == -1 || !S_ISDIR( stat_info.st_mode ) ) { return VLC_EGENERIC; } #endif if( ( p_dir = opendir( psz_dir ) ) == NULL ) { msg_Err( p_intf, "cannot open dir (%s)", psz_dir ); return VLC_EGENERIC; } msg_Dbg( p_intf, "dir=%s", psz_dir ); sprintf( dir, "%s/.access", psz_dir ); if( ( file = fopen( dir, "r" ) ) != NULL ) { char line[1024]; int i_size; msg_Dbg( p_intf, "find .access in dir=%s", psz_dir ); i_size = fread( line, 1, 1023, file ); if( i_size > 0 ) { char *p; while( i_size > 0 && ( line[i_size-1] == '\n' || line[i_size-1] == '\r' ) ) { i_size--; } line[i_size] = '\0'; p = strchr( line, ':' ); if( p ) { *p++ = '\0'; user = strdup( line ); password = strdup( p ); } } msg_Dbg( p_intf, "using user=%s password=%s (read=%d)", user, password, i_size ); fclose( file ); } for( ;; ) { /* parse psz_src dir */ if( ( p_dir_content = readdir( p_dir ) ) == NULL ) { break; } if( p_dir_content->d_name[0] == '.' ) { continue; } sprintf( dir, "%s/%s", psz_dir, p_dir_content->d_name ); if( ParseDirectory( p_intf, psz_root, dir ) ) { httpd_file_sys_t *f = malloc( sizeof( httpd_file_sys_t ) ); f->p_intf = p_intf; f->p_file = NULL; f->p_redir = NULL; f->file = strdup( dir ); f->name = FileToUrl( &dir[strlen( psz_root )] ); f->b_html = strstr( &dir[strlen( psz_root )], ".htm" ) ? VLC_TRUE : VLC_FALSE; if( !f->name ) { msg_Err( p_intf , "unable to parse directory" ); closedir( p_dir ); free( f ); return( VLC_ENOMEM ); } msg_Dbg( p_intf, "file=%s (url=%s)", f->file, f->name ); f->p_file = httpd_FileNew( p_sys->p_httpd_host, f->name, f->b_html ? "text/html" : NULL, user, password, HttpCallback, f ); if( f->p_file ) { TAB_APPEND( p_sys->i_files, p_sys->pp_files, f ); } /* For rep/ add a redir from rep to rep/ */ if( f && f->name[strlen(f->name) - 1] == '/' ) { char *psz_redir = strdup( f->name ); psz_redir[strlen( psz_redir ) - 1] = '\0'; msg_Dbg( p_intf, "redir=%s -> %s", psz_redir, f->name ); f->p_redir = httpd_RedirectNew( p_sys->p_httpd_host, f->name, psz_redir ); free( psz_redir ); } } } if( user ) { free( user ); } if( password ) { free( password ); } closedir( p_dir ); return VLC_SUCCESS; } /**************************************************************************** * var and set handling ****************************************************************************/ static mvar_t *mvar_New( char *name, char *value ) { mvar_t *v = malloc( sizeof( mvar_t ) ); if( !v ) return NULL; v->name = strdup( name ); v->value = strdup( value ? value : "" ); v->i_field = 0; v->field = malloc( sizeof( mvar_t * ) ); v->field[0] = NULL; return v; } static void mvar_Delete( mvar_t *v ) { int i; free( v->name ); free( v->value ); for( i = 0; i < v->i_field; i++ ) { mvar_Delete( v->field[i] ); } free( v->field ); free( v ); } static void mvar_AppendVar( mvar_t *v, mvar_t *f ) { v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) ); v->field[v->i_field] = f; v->i_field++; } static mvar_t *mvar_Duplicate( mvar_t *v ) { int i; mvar_t *n; n = mvar_New( v->name, v->value ); for( i = 0; i < v->i_field; i++ ) { mvar_AppendVar( n, mvar_Duplicate( v->field[i] ) ); } return n; } static void mvar_PushVar( mvar_t *v, mvar_t *f ) { v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) ); if( v->i_field > 0 ) { memmove( &v->field[1], &v->field[0], sizeof( mvar_t * ) * v->i_field ); } v->field[0] = f; v->i_field++; } static void mvar_RemoveVar( mvar_t *v, mvar_t *f ) { int i; for( i = 0; i < v->i_field; i++ ) { if( v->field[i] == f ) { break; } } if( i >= v->i_field ) { return; } if( i + 1 < v->i_field ) { memmove( &v->field[i], &v->field[i+1], sizeof( mvar_t * ) * ( v->i_field - i - 1 ) ); } v->i_field--; /* FIXME should do a realloc */ } static mvar_t *mvar_GetVar( mvar_t *s, char *name ) { int i; char base[512], *field, *p; int i_index; /* format: name[index].field */ field = strchr( name, '.' ); if( field ) { int i = field - name; strncpy( base, name, i ); base[i] = '\0'; field++; } else { strcpy( base, name ); } if( ( p = strchr( base, '[' ) ) ) { *p++ = '\0'; sscanf( p, "%d]", &i_index ); if( i_index < 0 ) { return NULL; } } else { i_index = 0; } for( i = 0; i < s->i_field; i++ ) { if( !strcmp( s->field[i]->name, base ) ) { if( i_index > 0 ) { i_index--; } else { if( field ) { return mvar_GetVar( s->field[i], field ); } else { return s->field[i]; } } } } return NULL; } static char *mvar_GetValue( mvar_t *v, char *field ) { if( *field == '\0' ) { return v->value; } else { mvar_t *f = mvar_GetVar( v, field ); if( f ) { return f->value; } else { return field; } } } static void mvar_PushNewVar( mvar_t *vars, char *name, char *value ) { mvar_t *f = mvar_New( name, value ); mvar_PushVar( vars, f ); } static void mvar_AppendNewVar( mvar_t *vars, char *name, char *value ) { mvar_t *f = mvar_New( name, value ); mvar_AppendVar( vars, f ); } /* arg= start[:stop[:step]],.. */ static mvar_t *mvar_IntegerSetNew( char *name, char *arg ) { char *dup = strdup( arg ); char *str = dup; mvar_t *s = mvar_New( name, "set" ); fprintf( stderr," mvar_IntegerSetNew: name=`%s' arg=`%s'\n", name, str ); while( str ) { char *p; int i_start,i_stop,i_step; int i_match; p = strchr( str, ',' ); if( p ) { *p++ = '\0'; } i_step = 0; i_match = sscanf( str, "%d:%d:%d", &i_start, &i_stop, &i_step ); fprintf( stderr," mvar_IntegerSetNew: m=%d start=%d stop=%d step=%d\n", i_match, i_start, i_stop, i_step ); if( i_match == 1 ) { i_stop = i_start; i_step = 1; } else if( i_match == 2 ) { i_step = i_start < i_stop ? 1 : -1; } if( i_match >= 1 ) { int i; if( ( i_start < i_stop && i_step > 0 ) || ( i_start > i_stop && i_step < 0 ) ) { for( i = i_start; ; i += i_step ) { char value[512]; if( ( i_step > 0 && i > i_stop ) || ( i_step < 0 && i < i_stop ) ) { break; } fprintf( stderr," mvar_IntegerSetNew: adding %d\n", i ); sprintf( value, "%d", i ); mvar_PushNewVar( s, name, value ); } } } str = p; } free( dup ); return s; } static mvar_t *mvar_PlaylistSetNew( char *name, playlist_t *p_pl ) { mvar_t *s = mvar_New( name, "set" ); int i; fprintf( stderr," mvar_PlaylistSetNew: name=`%s'\n", name ); vlc_mutex_lock( &p_pl->object_lock ); for( i = 0; i < p_pl->i_size; i++ ) { mvar_t *itm = mvar_New( name, "set" ); char value[512]; sprintf( value, "%d", i == p_pl->i_index ? 1 : 0 ); mvar_AppendNewVar( itm, "current", value ); sprintf( value, "%d", i ); mvar_AppendNewVar( itm, "index", value ); mvar_AppendNewVar( itm, "name", p_pl->pp_items[i]->input.psz_name ); mvar_AppendNewVar( itm, "uri", p_pl->pp_items[i]->input.psz_uri ); sprintf( value, "%d", p_pl->pp_items[i]->i_group ); mvar_AppendNewVar( itm, "group", value ); mvar_AppendVar( s, itm ); } vlc_mutex_unlock( &p_pl->object_lock ); return s; } static mvar_t *mvar_InfoSetNew( char *name, input_thread_t *p_input ) { mvar_t *s = mvar_New( name, "set" ); int i, j; fprintf( stderr," mvar_InfoSetNew: name=`%s'\n", name ); if( p_input == NULL ) { return s; } vlc_mutex_lock( &p_input->input.p_item->lock ); for ( i = 0; i < p_input->input.p_item->i_categories; i++ ) { info_category_t *p_category = p_input->input.p_item->pp_categories[i]; mvar_t *cat = mvar_New( name, "set" ); mvar_t *iset = mvar_New( "info", "set" ); mvar_AppendNewVar( cat, "name", p_category->psz_name ); mvar_AppendVar( cat, iset ); for ( j = 0; j < p_category->i_infos; j++ ) { info_t *p_info = p_category->pp_infos[j]; mvar_t *info = mvar_New( "info", "" ); msg_Dbg( p_input, "adding info name=%s value=%s", p_info->psz_name, p_info->psz_value ); mvar_AppendNewVar( info, "name", p_info->psz_name ); mvar_AppendNewVar( info, "value", p_info->psz_value ); mvar_AppendVar( iset, info ); } mvar_AppendVar( s, cat ); } vlc_mutex_unlock( &p_input->input.p_item->lock ); return s; } #if 0 static mvar_t *mvar_HttpdInfoSetNew( char *name, httpd_t *p_httpd, int i_type ) { mvar_t *s = mvar_New( name, "set" ); httpd_info_t info; int i; fprintf( stderr," mvar_HttpdInfoSetNew: name=`%s'\n", name ); if( !p_httpd->pf_control( p_httpd, i_type, &info, NULL ) ) { for( i= 0; i < info.i_count; ) { mvar_t *inf; inf = mvar_New( name, "set" ); do { /* fprintf( stderr," mvar_HttpdInfoSetNew: append name=`%s' value=`%s'\n", info.info[i].psz_name, info.info[i].psz_value ); */ mvar_AppendNewVar( inf, info.info[i].psz_name, info.info[i].psz_value ); i++; } while( i < info.i_count && strcmp( info.info[i].psz_name, "id" ) ); mvar_AppendVar( s, inf ); } } /* free mem */ for( i = 0; i < info.i_count; i++ ) { free( info.info[i].psz_name ); free( info.info[i].psz_value ); } if( info.i_count > 0 ) { free( info.info ); } return s; } #endif static mvar_t *mvar_FileSetNew( char *name, char *psz_dir ) { mvar_t *s = mvar_New( name, "set" ); char tmp[MAX_DIR_SIZE], *p, *src; #ifdef HAVE_SYS_STAT_H struct stat stat_info; #endif DIR *p_dir; struct dirent *p_dir_content; char sep; /* convert all / to native separator */ #if defined( WIN32 ) while( (p = strchr( psz_dir, '/' )) ) { *p = '\\'; } sep = '\\'; #else sep = '/'; #endif /* remove trailling separator */ while( strlen( psz_dir ) > 1 && #if defined( WIN32 ) !( strlen(psz_dir)==3 && psz_dir[1]==':' && psz_dir[2]==sep ) && #endif psz_dir[strlen( psz_dir ) -1 ] == sep ) { psz_dir[strlen( psz_dir ) -1 ] ='\0'; } /* remove double separator */ for( p = src = psz_dir; *src != '\0'; src++, p++ ) { if( src[0] == sep && src[1] == sep ) { src++; } *p = *src; } *p = '\0'; if( *psz_dir == '\0' ) { return s; } /* first fix all .. dir */ p = src = psz_dir; while( *src ) { if( src[0] == '.' && src[1] == '.' ) { src += 2; if( p <= &psz_dir[1] ) { continue; } p -= 2; while( p > &psz_dir[1] && *p != sep ) { p--; } } else if( *src == sep ) { if( p > psz_dir && p[-1] == sep ) { src++; } else { *p++ = *src++; } } else { do { *p++ = *src++; } while( *src && *src != sep ); } } *p = '\0'; fprintf( stderr," mvar_FileSetNew: name=`%s' dir=`%s'\n", name, psz_dir ); #ifdef HAVE_SYS_STAT_H if( stat( psz_dir, &stat_info ) == -1 || !S_ISDIR( stat_info.st_mode ) ) { return s; } #endif if( ( p_dir = opendir( psz_dir ) ) == NULL ) { fprintf( stderr, "cannot open dir (%s)", psz_dir ); return s; } /* remove traling / or \ */ for( p = &psz_dir[strlen( psz_dir) - 1]; p >= psz_dir && ( *p =='/' || *p =='\\' ); p-- ) { *p = '\0'; } for( ;; ) { mvar_t *f; /* parse psz_src dir */ if( ( p_dir_content = readdir( p_dir ) ) == NULL ) { break; } if( !strcmp( p_dir_content->d_name, "." ) ) { continue; } sprintf( tmp, "%s/%s", psz_dir, p_dir_content->d_name ); #ifdef HAVE_SYS_STAT_H if( stat( tmp, &stat_info ) == -1 ) { continue; } #endif f = mvar_New( name, "set" ); mvar_AppendNewVar( f, "name", tmp ); #ifdef HAVE_SYS_STAT_H if( S_ISDIR( stat_info.st_mode ) ) { mvar_AppendNewVar( f, "type", "directory" ); } else if( S_ISREG( stat_info.st_mode ) ) { mvar_AppendNewVar( f, "type", "file" ); } else { mvar_AppendNewVar( f, "type", "unknown" ); } sprintf( tmp, I64Fd, (int64_t)stat_info.st_size ); mvar_AppendNewVar( f, "size", tmp ); /* FIXME memory leak FIXME */ #ifdef HAVE_CTIME_R ctime_r( &stat_info.st_mtime, tmp ); mvar_AppendNewVar( f, "date", tmp ); #else mvar_AppendNewVar( f, "date", ctime( &stat_info.st_mtime ) ); #endif #else mvar_AppendNewVar( f, "type", "unknown" ); mvar_AppendNewVar( f, "size", "unknown" ); mvar_AppendNewVar( f, "date", "unknown" ); #endif mvar_AppendVar( s, f ); } return s; } static mvar_t *mvar_VlmSetNew( char *name, vlm_t *vlm ) { mvar_t *s = mvar_New( name, "set" ); vlm_message_t *msg; int i; /* fprintf( stderr," mvar_VlmSetNew: name=`%s'\n", name ); */ if( vlm == NULL ) return s; if( vlm_ExecuteCommand( vlm, "show", &msg ) ) { return s; } for( i = 0; i < msg->i_child; i++ ) { /* Over media, schedule */ vlm_message_t *ch = msg->child[i]; int j; for( j = 0; j < ch->i_child; j++ ) { /* Over name */ vlm_message_t *el = ch->child[j]; vlm_message_t *inf, *desc; mvar_t *set; char psz[500]; int k; sprintf( psz, "show %s", el->psz_name ); if( vlm_ExecuteCommand( vlm, psz, &inf ) ) continue; desc = inf->child[0]; /* Add a node with name and info */ set = mvar_New( name, "set" ); mvar_AppendNewVar( set, "name", el->psz_name ); /* fprintf( stderr, "#### name=%s\n", el->psz_name ); */ for( k = 0; k < desc->i_child; k++ ) { vlm_message_t *ch = desc->child[k]; if( ch->i_child > 0 ) { int c; mvar_t *n = mvar_New( ch->psz_name, "set" ); /* fprintf( stderr, " child=%s [%d]\n", ch->psz_name, ch->i_child ); */ for( c = 0; c < ch->i_child; c++ ) { mvar_t *in = mvar_New( ch->psz_name, ch->child[c]->psz_name ); mvar_AppendVar( n, in ); /* fprintf( stderr, " sub=%s\n", ch->child[c]->psz_name );*/ } mvar_AppendVar( set, n ); } else { /* fprintf( stderr, " child=%s->%s\n", ch->psz_name, ch->psz_value ); */ mvar_AppendNewVar( set, ch->psz_name, ch->psz_value ); } } vlm_MessageDelete( inf ); mvar_AppendVar( s, set ); } } vlm_MessageDelete( msg ); return s; } static void SSInit( rpn_stack_t * ); static void SSClean( rpn_stack_t * ); static void EvaluateRPN( mvar_t *, rpn_stack_t *, char * ); static void SSPush ( rpn_stack_t *, char * ); static char *SSPop ( rpn_stack_t * ); static void SSPushN ( rpn_stack_t *, int ); static int SSPopN ( rpn_stack_t *, mvar_t * ); /**************************************************************************** * Macro handling ****************************************************************************/ typedef struct { char *id; char *param1; char *param2; } macro_t; static int FileLoad( FILE *f, uint8_t **pp_data, int *pi_data ) { int i_read; /* just load the file */ *pi_data = 0; *pp_data = malloc( 1025 ); /* +1 for \0 */ while( ( i_read = fread( &(*pp_data)[*pi_data], 1, 1024, f ) ) == 1024 ) { *pi_data += 1024; *pp_data = realloc( *pp_data, *pi_data + 1025 ); } if( i_read > 0 ) { *pi_data += i_read; } (*pp_data)[*pi_data] = '\0'; return VLC_SUCCESS; } static int MacroParse( macro_t *m, uint8_t *psz_src ) { uint8_t *dup = strdup( psz_src ); uint8_t *src = dup; uint8_t *p; int i_skip; #define EXTRACT( name, l ) \ src += l; \ p = strchr( src, '"' ); \ if( p ) \ { \ *p++ = '\0'; \ } \ m->name = strdup( src ); \ if( !p ) \ { \ break; \ } \ src = p; /* init m */ m->id = NULL; m->param1 = NULL; m->param2 = NULL; /* parse */ src += 4; while( *src ) { while( *src == ' ') { src++; } if( !strncmp( src, "id=\"", 4 ) ) { EXTRACT( id, 4 ); } else if( !strncmp( src, "param1=\"", 8 ) ) { EXTRACT( param1, 8 ); } else if( !strncmp( src, "param2=\"", 8 ) ) { EXTRACT( param2, 8 ); } else { break; } } if( strstr( src, "/>" ) ) { src = strstr( src, "/>" ) + 2; } else { src += strlen( src ); } if( m->id == NULL ) { m->id = strdup( "" ); } if( m->param1 == NULL ) { m->param1 = strdup( "" ); } if( m->param2 == NULL ) { m->param2 = strdup( "" ); } i_skip = src - dup; free( dup ); return i_skip; #undef EXTRACT } static void MacroClean( macro_t *m ) { free( m->id ); free( m->param1 ); free( m->param2 ); } enum macroType { MVLC_UNKNOWN = 0, MVLC_CONTROL, MVLC_PLAY, MVLC_STOP, MVLC_PAUSE, MVLC_NEXT, MVLC_PREVIOUS, MVLC_ADD, MVLC_DEL, MVLC_EMPTY, MVLC_SEEK, MVLC_KEEP, MVLC_SORT, MVLC_MOVE, MVLC_VOLUME, MVLC_FULLSCREEN, MVLC_CLOSE, MVLC_SHUTDOWN, MVLC_VLM_NEW, MVLC_VLM_SETUP, MVLC_VLM_DEL, MVLC_VLM_PLAY, MVLC_VLM_PAUSE, MVLC_VLM_STOP, MVLC_VLM_SEEK, MVLC_VLM_LOAD, MVLC_VLM_SAVE, MVLC_FOREACH, MVLC_IF, MVLC_RPN, MVLC_ELSE, MVLC_END, MVLC_GET, MVLC_SET, MVLC_INT, MVLC_FLOAT, MVLC_STRING, MVLC_VALUE }; static struct { char *psz_name; int i_type; } StrToMacroTypeTab [] = { { "control", MVLC_CONTROL }, /* player control */ { "play", MVLC_PLAY }, { "stop", MVLC_STOP }, { "pause", MVLC_PAUSE }, { "next", MVLC_NEXT }, { "previous", MVLC_PREVIOUS }, { "seek", MVLC_SEEK }, { "keep", MVLC_KEEP }, { "fullscreen", MVLC_FULLSCREEN }, { "volume", MVLC_VOLUME }, /* playlist management */ { "add", MVLC_ADD }, { "delete", MVLC_DEL }, { "empty", MVLC_EMPTY }, { "sort", MVLC_SORT }, { "move", MVLC_MOVE }, /* admin control */ { "close", MVLC_CLOSE }, { "shutdown", MVLC_SHUTDOWN }, /* vlm control */ { "vlm_new", MVLC_VLM_NEW }, { "vlm_setup", MVLC_VLM_SETUP }, { "vlm_del", MVLC_VLM_DEL }, { "vlm_play", MVLC_VLM_PLAY }, { "vlm_pause", MVLC_VLM_PAUSE }, { "vlm_stop", MVLC_VLM_STOP }, { "vlm_seek", MVLC_VLM_SEEK }, { "vlm_load", MVLC_VLM_LOAD }, { "vlm_save", MVLC_VLM_SAVE }, { "rpn", MVLC_RPN }, { "foreach", MVLC_FOREACH }, { "value", MVLC_VALUE }, { "if", MVLC_IF }, { "else", MVLC_ELSE }, { "end", MVLC_END }, { "get", MVLC_GET }, { "set", MVLC_SET }, { "int", MVLC_INT }, { "float", MVLC_FLOAT }, { "string", MVLC_STRING }, /* end */ { NULL, MVLC_UNKNOWN } }; static int StrToMacroType( char *name ) { int i; if( !name || *name == '\0') { return MVLC_UNKNOWN; } for( i = 0; StrToMacroTypeTab[i].psz_name != NULL; i++ ) { if( !strcmp( name, StrToMacroTypeTab[i].psz_name ) ) { return StrToMacroTypeTab[i].i_type; } } return MVLC_UNKNOWN; } static void MacroDo( httpd_file_sys_t *p_args, macro_t *m, uint8_t *p_request, int i_request, uint8_t **pp_data, int *pi_data, uint8_t **pp_dst ) { intf_thread_t *p_intf = p_args->p_intf; intf_sys_t *p_sys = p_args->p_intf->p_sys; char control[512]; #define ALLOC( l ) \ { \ int __i__ = *pp_dst - *pp_data; \ *pi_data += (l); \ *pp_data = realloc( *pp_data, *pi_data ); \ *pp_dst = (*pp_data) + __i__; \ } #define PRINT( str ) \ ALLOC( strlen( str ) + 1 ); \ *pp_dst += sprintf( *pp_dst, str ); #define PRINTS( str, s ) \ ALLOC( strlen( str ) + strlen( s ) + 1 ); \ { \ char * psz_cur = *pp_dst; \ *pp_dst += sprintf( *pp_dst, str, s ); \ while( psz_cur && *psz_cur ) \ { \ /* Prevent script injection */ \ if( *psz_cur == '<' ) *psz_cur = '*'; \ if( *psz_cur == '>' ) *psz_cur = '*'; \ psz_cur++ ; \ } \ } switch( StrToMacroType( m->id ) ) { case MVLC_CONTROL: if( i_request <= 0 ) { break; } uri_extract_value( p_request, "control", control, 512 ); if( *m->param1 && !strstr( m->param1, control ) ) { msg_Warn( p_intf, "unauthorized control=%s", control ); break; } switch( StrToMacroType( control ) ) { case MVLC_PLAY: { int i_item; char item[512]; uri_extract_value( p_request, "item", item, 512 ); i_item = atoi( item ); playlist_Command( p_sys->p_playlist, PLAYLIST_GOTO, i_item ); msg_Dbg( p_intf, "requested playlist item: %i", i_item ); break; } case MVLC_STOP: playlist_Command( p_sys->p_playlist, PLAYLIST_STOP, 0 ); msg_Dbg( p_intf, "requested playlist stop" ); break; case MVLC_PAUSE: playlist_Command( p_sys->p_playlist, PLAYLIST_PAUSE, 0 ); msg_Dbg( p_intf, "requested playlist pause" ); break; case MVLC_NEXT: playlist_Command( p_sys->p_playlist, PLAYLIST_GOTO, p_sys->p_playlist->i_index + 1 ); msg_Dbg( p_intf, "requested playlist next" ); break; case MVLC_PREVIOUS: playlist_Command( p_sys->p_playlist, PLAYLIST_GOTO, p_sys->p_playlist->i_index - 1 ); msg_Dbg( p_intf, "requested playlist next" ); break; case MVLC_FULLSCREEN: { if( p_sys->p_input ) { vout_thread_t *p_vout; p_vout = vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT, FIND_CHILD ); if( p_vout ) { p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE; vlc_object_release( p_vout ); msg_Dbg( p_intf, "requested fullscreen toggle" ); } } } break; case MVLC_SEEK: { vlc_value_t val; char value[30]; char * p_value; int i_stock = 0; uint64_t i_length; int i_value = 0; int i_relative = 0; #define POSITION_ABSOLUTE 12 #define POSITION_REL_FOR 13 #define POSITION_REL_BACK 11 #define TIME_ABSOLUTE 0 #define TIME_REL_FOR 1 #define TIME_REL_BACK -1 if( p_sys->p_input ) { uri_extract_value( p_request, "seek_value", value, 20 ); uri_decode_url_encoded( value ); p_value = value; var_Get( p_sys->p_input, "length", &val); i_length = val.i_time; while( p_value[0] != '\0' ) { switch(p_value[0]) { case '+': { i_relative = TIME_REL_FOR; p_value++; break; } case '-': { i_relative = TIME_REL_BACK; p_value++; break; } case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': { i_stock = strtol( p_value , &p_value , 10 ); break; } case '%': /* for percentage ie position */ { i_relative += POSITION_ABSOLUTE; i_value = i_stock; i_stock = 0; p_value[0] = '\0'; break; } case ':': { i_value = 60 * (i_value + i_stock) ; i_stock = 0; p_value++; break; } case 'h': case 'H': /* hours */ { i_value += 3600 * i_stock; i_stock = 0; /* other characters which are not numbers are not important */ while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') ) { p_value++; } break; } case 'm': case 'M': case '\'': /* minutes */ { i_value += 60 * i_stock; i_stock = 0; p_value++; while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') ) { p_value++; } break; } case 's': case 'S': case '"': /* seconds */ { i_value += i_stock; i_stock = 0; while( ((p_value[0] < '0') || (p_value[0] > '9')) && (p_value[0] != '\0') ) { p_value++; } break; } default: { p_value++; break; } } } /* if there is no known symbol, I consider it as seconds. Otherwise, i_stock = 0 */ i_value += i_stock; switch(i_relative) { case TIME_ABSOLUTE: { if( (uint64_t)( i_value ) * 1000000 <= i_length ) val.i_time = (uint64_t)( i_value ) * 1000000; else val.i_time = i_length; var_Set( p_sys->p_input, "time", val ); msg_Dbg( p_intf, "requested seek position: %dsec", i_value ); break; } case TIME_REL_FOR: { var_Get( p_sys->p_input, "time", &val ); if( (uint64_t)( i_value ) * 1000000 + val.i_time <= i_length ) { val.i_time = ((uint64_t)( i_value ) * 1000000) + val.i_time; } else { val.i_time = i_length; } var_Set( p_sys->p_input, "time", val ); msg_Dbg( p_intf, "requested seek position forward: %dsec", i_value ); break; } case TIME_REL_BACK: { var_Get( p_sys->p_input, "time", &val ); if( (int64_t)( i_value ) * 1000000 > val.i_time ) { val.i_time = 0; } else { val.i_time = val.i_time - ((uint64_t)( i_value ) * 1000000); } var_Set( p_sys->p_input, "time", val ); msg_Dbg( p_intf, "requested seek position backward: %dsec", i_value ); break; } case POSITION_ABSOLUTE: { val.f_float = __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 ); var_Set( p_sys->p_input, "position", val ); msg_Dbg( p_intf, "requested seek percent: %d", i_value ); break; } case POSITION_REL_FOR: { var_Get( p_sys->p_input, "position", &val ); val.f_float += __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 ); var_Set( p_sys->p_input, "position", val ); msg_Dbg( p_intf, "requested seek percent forward: %d", i_value ); break; } case POSITION_REL_BACK: { var_Get( p_sys->p_input, "position", &val ); val.f_float -= __MIN( __MAX( ((float) i_value ) / 100.0 , 0.0 ) , 100.0 ); var_Set( p_sys->p_input, "position", val ); msg_Dbg( p_intf, "requested seek percent backward: %d", i_value ); break; } default: { msg_Dbg( p_intf, "requested seek: what the f*** is going on here ?" ); break; } } } #undef POSITION_ABSOLUTE #undef POSITION_REL_FOR #undef POSITION_REL_BACK #undef TIME_ABSOLUTE #undef TIME_REL_FOR #undef TIME_REL_BACK break; } case MVLC_VOLUME: { char vol[8]; audio_volume_t i_volume; int i_value; uri_extract_value( p_request, "value", vol, 8 ); aout_VolumeGet( p_intf, &i_volume ); uri_decode_url_encoded( vol ); if( vol[0] == '+' ) { i_value = atoi( vol + 1 ); if( (i_volume + i_value) > AOUT_VOLUME_MAX ) { aout_VolumeSet( p_intf , AOUT_VOLUME_MAX ); msg_Dbg( p_intf, "requested volume set: max" ); } else { aout_VolumeSet( p_intf , (i_volume + i_value) ); msg_Dbg( p_intf, "requested volume set: +%i", (i_volume + i_value) ); } } else if( vol[0] == '-' ) { i_value = atoi( vol + 1 ); if( (i_volume - i_value) < AOUT_VOLUME_MIN ) { aout_VolumeSet( p_intf , AOUT_VOLUME_MIN ); msg_Dbg( p_intf, "requested volume set: min" ); } else { aout_VolumeSet( p_intf , (i_volume - i_value) ); msg_Dbg( p_intf, "requested volume set: -%i", (i_volume - i_value) ); } } else { i_value = atoi( vol ); if( ( i_value <= AOUT_VOLUME_MAX ) && ( i_value >= AOUT_VOLUME_MIN ) ) { aout_VolumeSet( p_intf , atoi( vol ) ); msg_Dbg( p_intf, "requested volume set: %i", atoi( vol ) ); } } break; } /* playlist management */ case MVLC_ADD: { char mrl[512]; playlist_item_t * p_item; uri_extract_value( p_request, "mrl", mrl, 512 ); uri_decode_url_encoded( mrl ); p_item = parse_MRL( p_intf, mrl ); if( !p_item || !p_item->input.psz_uri || !*p_item->input.psz_uri ) { msg_Dbg( p_intf, "invalid requested mrl: %s", mrl ); } else { playlist_AddItem( p_sys->p_playlist , p_item , PLAYLIST_APPEND, PLAYLIST_END ); msg_Dbg( p_intf, "requested mrl add: %s", mrl ); } break; } case MVLC_DEL: { int i_item, *p_items = NULL, i_nb_items = 0; char item[512], *p_parser = p_request; /* Get the list of items to delete */ while( (p_parser = uri_extract_value( p_parser, "item", item, 512 )) ) { if( !*item ) continue; i_item = atoi( item ); p_items = realloc( p_items, (i_nb_items + 1) * sizeof(int) ); p_items[i_nb_items] = i_item; i_nb_items++; } /* The items need to be deleted from in reversed order */ if( i_nb_items ) { int i; for( i = 0; i < i_nb_items; i++ ) { int j, i_index = 0; for( j = 0; j < i_nb_items; j++ ) { if( p_items[j] > p_items[i_index] ) i_index = j; } playlist_Delete( p_sys->p_playlist, p_items[i_index] ); msg_Dbg( p_intf, "requested playlist delete: %d", p_items[i_index] ); p_items[i_index] = -1; } } if( p_items ) free( p_items ); break; } case MVLC_KEEP: { int i_item, *p_items = NULL, i_nb_items = 0; char item[512], *p_parser = p_request; int i,j; /* Get the list of items to keep */ while( (p_parser = uri_extract_value( p_parser, "item", item, 512 )) ) { if( !*item ) continue; i_item = atoi( item ); p_items = realloc( p_items, (i_nb_items + 1) * sizeof(int) ); p_items[i_nb_items] = i_item; i_nb_items++; } /* The items need to be deleted from in reversed order */ for( i = p_sys->p_playlist->i_size - 1; i >= 0 ; i-- ) { /* Check if the item is in the keep list */ for( j = 0 ; j < i_nb_items ; j++ ) { if( p_items[j] == i ) break; } if( j == i_nb_items ) { playlist_Delete( p_sys->p_playlist, i ); msg_Dbg( p_intf, "requested playlist delete: %d", i ); } } if( p_items ) free( p_items ); break; } case MVLC_EMPTY: { while( p_sys->p_playlist->i_size > 0 ) { playlist_Delete( p_sys->p_playlist, 0 ); } msg_Dbg( p_intf, "requested playlist empty" ); break; } case MVLC_SORT: { char type[12]; char order[2]; int i_order; uri_extract_value( p_request, "type", type, 12 ); uri_extract_value( p_request, "order", order, 2 ); if( order[0] == '0' ) i_order = ORDER_NORMAL; else i_order = ORDER_REVERSE; if( !strcmp( type , "title" ) ) { playlist_SortTitle( p_sys->p_playlist , i_order ); msg_Dbg( p_intf, "requested playlist sort by title (%d)" , i_order ); } else if( !strcmp( type , "group" ) ) { playlist_SortGroup( p_sys->p_playlist , i_order ); msg_Dbg( p_intf, "requested playlist sort by group (%d)" , i_order ); } else if( !strcmp( type , "author" ) ) { playlist_SortAuthor( p_sys->p_playlist , i_order ); msg_Dbg( p_intf, "requested playlist sort by author (%d)" , i_order ); } else if( !strcmp( type , "shuffle" ) ) { playlist_Sort( p_sys->p_playlist , SORT_RANDOM, ORDER_NORMAL ); msg_Dbg( p_intf, "requested playlist shuffle"); } break; } case MVLC_MOVE: { char psz_pos[6]; char psz_newpos[6]; int i_pos; int i_newpos; uri_extract_value( p_request, "psz_pos", psz_pos, 6 ); uri_extract_value( p_request, "psz_newpos", psz_newpos, 6 ); i_pos = atoi( psz_pos ); i_newpos = atoi( psz_newpos ); if ( i_pos < i_newpos ) { playlist_Move( p_sys->p_playlist, i_pos, i_newpos + 1 ); } else { playlist_Move( p_sys->p_playlist, i_pos, i_newpos ); } msg_Dbg( p_intf, "requested move playlist item %d to %d", i_pos, i_newpos); break; } /* admin function */ case MVLC_CLOSE: { char id[512]; uri_extract_value( p_request, "id", id, 512 ); msg_Dbg( p_intf, "requested close id=%s", id ); #if 0 if( p_sys->p_httpd->pf_control( p_sys->p_httpd, HTTPD_SET_CLOSE, id, NULL ) ) { msg_Warn( p_intf, "close failed for id=%s", id ); } #endif break; } case MVLC_SHUTDOWN: { msg_Dbg( p_intf, "requested shutdown" ); p_intf->p_vlc->b_die = VLC_TRUE; break; } /* vlm */ case MVLC_VLM_NEW: case MVLC_VLM_SETUP: { static const char *vlm_properties[11] = { /* no args */ "enabled", "disabled", "loop", "unloop", /* args required */ "input", "output", "option", "date", "period", "repeat", "append", }; vlm_message_t *vlm_answer; char name[512]; char *psz = malloc( strlen( p_request ) + 1000 ); char *p = psz; char *vlm_error; int i; if( p_intf->p_sys->p_vlm == NULL ) p_intf->p_sys->p_vlm = vlm_New( p_intf ); if( p_intf->p_sys->p_vlm == NULL ) break; uri_extract_value( p_request, "name", name, 512 ); if( StrToMacroType( control ) == MVLC_VLM_NEW ) { char type[20]; uri_extract_value( p_request, "type", type, 20 ); p += sprintf( psz, "new %s %s", name, type ); } else { p += sprintf( psz, "setup %s", name ); } /* Parse the request */ for( i = 0; i < 11; i++ ) { char val[512]; uri_extract_value( p_request, vlm_properties[i], val, 512 ); uri_decode_url_encoded( val ); if( strlen( val ) > 0 && i >= 4 ) { p += sprintf( p, " %s %s", vlm_properties[i], val ); } else if( uri_test_param( p_request, vlm_properties[i] ) && i < 4 ) { p += sprintf( p, " %s", vlm_properties[i] ); } } fprintf( stderr, "vlm_ExecuteCommand: %s\n", psz ); vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer ); if( vlm_answer->psz_value == NULL ) /* there is no error */ { vlm_error = strdup( "" ); } else { vlm_error = malloc( strlen(vlm_answer->psz_name) + strlen(vlm_answer->psz_value) + strlen( " : ") + 1 ); sprintf( vlm_error , "%s : %s" , vlm_answer->psz_name, vlm_answer->psz_value ); } mvar_AppendNewVar( p_args->vars, "vlm_error", vlm_error ); vlm_MessageDelete( vlm_answer ); free( vlm_error ); free( psz ); break; } case MVLC_VLM_DEL: { vlm_message_t *vlm_answer; char name[512]; char psz[512+10]; if( p_intf->p_sys->p_vlm == NULL ) p_intf->p_sys->p_vlm = vlm_New( p_intf ); if( p_intf->p_sys->p_vlm == NULL ) break; uri_extract_value( p_request, "name", name, 512 ); sprintf( psz, "del %s", name ); vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer ); /* FIXME do a vlm_answer -> var stack conversion */ vlm_MessageDelete( vlm_answer ); break; } case MVLC_VLM_PLAY: case MVLC_VLM_PAUSE: case MVLC_VLM_STOP: case MVLC_VLM_SEEK: { vlm_message_t *vlm_answer; char name[512]; char psz[512+10]; if( p_intf->p_sys->p_vlm == NULL ) p_intf->p_sys->p_vlm = vlm_New( p_intf ); if( p_intf->p_sys->p_vlm == NULL ) break; uri_extract_value( p_request, "name", name, 512 ); if( StrToMacroType( control ) == MVLC_VLM_PLAY ) sprintf( psz, "control %s play", name ); else if( StrToMacroType( control ) == MVLC_VLM_PAUSE ) sprintf( psz, "control %s pause", name ); else if( StrToMacroType( control ) == MVLC_VLM_STOP ) sprintf( psz, "control %s stop", name ); else if( StrToMacroType( control ) == MVLC_VLM_SEEK ) { char percent[20]; uri_extract_value( p_request, "percent", percent, 512 ); sprintf( psz, "control %s seek %s", name, percent ); } vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer ); /* FIXME do a vlm_answer -> var stack conversion */ vlm_MessageDelete( vlm_answer ); break; } case MVLC_VLM_LOAD: case MVLC_VLM_SAVE: { vlm_message_t *vlm_answer; char file[512]; char psz[512]; if( p_intf->p_sys->p_vlm == NULL ) p_intf->p_sys->p_vlm = vlm_New( p_intf ); if( p_intf->p_sys->p_vlm == NULL ) break; uri_extract_value( p_request, "file", file, 512 ); uri_decode_url_encoded( file ); if( StrToMacroType( control ) == MVLC_VLM_LOAD ) sprintf( psz, "load %s", file ); else sprintf( psz, "save %s", file ); vlm_ExecuteCommand( p_intf->p_sys->p_vlm, psz, &vlm_answer ); /* FIXME do a vlm_answer -> var stack conversion */ vlm_MessageDelete( vlm_answer ); break; } default: if( *control ) { PRINTS( "<!-- control param(%s) unsuported -->", control ); } break; } break; case MVLC_SET: { char value[512]; int i; float f; if( i_request <= 0 || *m->param1 == '\0' || strstr( p_request, m->param1 ) == NULL ) { break; } uri_extract_value( p_request, m->param1, value, 512 ); uri_decode_url_encoded( value ); switch( StrToMacroType( m->param2 ) ) { case MVLC_INT: i = atoi( value ); config_PutInt( p_intf, m->param1, i ); break; case MVLC_FLOAT: f = atof( value ); config_PutFloat( p_intf, m->param1, f ); break; case MVLC_STRING: config_PutPsz( p_intf, m->param1, value ); break; default: PRINTS( "<!-- invalid type(%s) in set -->", m->param2 ) } break; } case MVLC_GET: { char value[512]; int i; float f; char *psz; if( *m->param1 == '\0' ) { break; } switch( StrToMacroType( m->param2 ) ) { case MVLC_INT: i = config_GetInt( p_intf, m->param1 ); sprintf( value, "%i", i ); break; case MVLC_FLOAT: f = config_GetFloat( p_intf, m->param1 ); sprintf( value, "%f", f ); break; case MVLC_STRING: psz = config_GetPsz( p_intf, m->param1 ); sprintf( value, "%s", psz ? psz : "" ); if( psz ) free( psz ); break; default: sprintf( value, "invalid type(%s) in set", m->param2 ); break; } msg_Dbg( p_intf, "get name=%s value=%s type=%s", m->param1, value, m->param2 ); PRINTS( "%s", value ); break; } case MVLC_VALUE: { char *s, *v; if( m->param1 ) { EvaluateRPN( p_args->vars, &p_args->stack, m->param1 ); s = SSPop( &p_args->stack ); v = mvar_GetValue( p_args->vars, s ); } else { v = s = SSPop( &p_args->stack ); } PRINTS( "%s", v ); free( s ); break; } case MVLC_RPN: EvaluateRPN( p_args->vars, &p_args->stack, m->param1 ); break; case MVLC_UNKNOWN: default: PRINTS( "<!-- invalid macro id=`%s' -->", m->id ); msg_Dbg( p_intf, "invalid macro id=`%s'", m->id ); break; } #undef PRINTS #undef PRINT #undef ALLOC } static uint8_t *MacroSearch( uint8_t *src, uint8_t *end, int i_mvlc, vlc_bool_t b_after ) { int i_id; int i_level = 0; while( src < end ) { if( src + 4 < end && !strncmp( src, "<vlc", 4 ) ) { int i_skip; macro_t m; i_skip = MacroParse( &m, src ); i_id = StrToMacroType( m.id ); switch( i_id ) { case MVLC_IF: case MVLC_FOREACH: i_level++; break; case MVLC_END: i_level--; break; default: break; } MacroClean( &m ); if( ( i_mvlc == MVLC_END && i_level == -1 ) || ( i_mvlc != MVLC_END && i_level == 0 && i_mvlc == i_id ) ) { return src + ( b_after ? i_skip : 0 ); } else if( i_level < 0 ) { return NULL; } src += i_skip; } else { src++; } } return NULL; } static void Execute( httpd_file_sys_t *p_args, uint8_t *p_request, int i_request, uint8_t **pp_data, int *pi_data, uint8_t **pp_dst, uint8_t *_src, uint8_t *_end ) { intf_thread_t *p_intf = p_args->p_intf; uint8_t *src, *dup, *end; uint8_t *dst = *pp_dst; src = dup = malloc( _end - _src + 1 ); end = src +( _end - _src ); memcpy( src, _src, _end - _src ); *end = '\0'; /* we parse searching <vlc */ while( src < end ) { uint8_t *p; int i_copy; p = strstr( src, "<vlc" ); if( p < end && p == src ) { macro_t m; src += MacroParse( &m, src ); //msg_Dbg( p_intf, "macro_id=%s", m.id ); switch( StrToMacroType( m.id ) ) { case MVLC_IF: { vlc_bool_t i_test; uint8_t *endif; EvaluateRPN( p_args->vars, &p_args->stack, m.param1 ); if( SSPopN( &p_args->stack, p_args->vars ) ) { i_test = 1; } else { i_test = 0; } endif = MacroSearch( src, end, MVLC_END, VLC_TRUE ); if( i_test == 0 ) { uint8_t *start = MacroSearch( src, endif, MVLC_ELSE, VLC_TRUE ); if( start ) { uint8_t *stop = MacroSearch( start, endif, MVLC_END, VLC_FALSE ); if( stop ) { Execute( p_args, p_request, i_request, pp_data, pi_data, &dst, start, stop ); } } } else if( i_test == 1 ) { uint8_t *stop; if( ( stop = MacroSearch( src, endif, MVLC_ELSE, VLC_FALSE ) ) == NULL ) { stop = MacroSearch( src, endif, MVLC_END, VLC_FALSE ); } if( stop ) { Execute( p_args, p_request, i_request, pp_data, pi_data, &dst, src, stop ); } } src = endif; break; } case MVLC_FOREACH: { uint8_t *endfor = MacroSearch( src, end, MVLC_END, VLC_TRUE ); uint8_t *start = src; uint8_t *stop = MacroSearch( src, end, MVLC_END, VLC_FALSE ); if( stop ) { mvar_t *index; int i_idx; mvar_t *v; if( !strcmp( m.param2, "integer" ) ) { char *arg = SSPop( &p_args->stack ); index = mvar_IntegerSetNew( m.param1, arg ); free( arg ); } else if( !strcmp( m.param2, "directory" ) ) { char *arg = SSPop( &p_args->stack ); index = mvar_FileSetNew( m.param1, arg ); free( arg ); } else if( !strcmp( m.param2, "playlist" ) ) { index = mvar_PlaylistSetNew( m.param1, p_intf->p_sys->p_playlist ); } else if( !strcmp( m.param2, "information" ) ) { index = mvar_InfoSetNew( m.param1, p_intf->p_sys->p_input ); } else if( !strcmp( m.param2, "vlm" ) ) { if( p_intf->p_sys->p_vlm == NULL ) p_intf->p_sys->p_vlm = vlm_New( p_intf ); index = mvar_VlmSetNew( m.param1, p_intf->p_sys->p_vlm ); } #if 0 else if( !strcmp( m.param2, "hosts" ) ) { index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_HOSTS ); } else if( !strcmp( m.param2, "urls" ) ) { index = mvar_HttpdInfoSetNew( m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_URLS ); } else if( !strcmp( m.param2, "connections" ) ) { index = mvar_HttpdInfoSetNew(m.param1, p_intf->p_sys->p_httpd, HTTPD_GET_CONNECTIONS); } #endif else if( ( v = mvar_GetVar( p_args->vars, m.param2 ) ) ) { index = mvar_Duplicate( v ); } else { msg_Dbg( p_intf, "invalid index constructor (%s)", m.param2 ); src = endfor; break; } for( i_idx = 0; i_idx < index->i_field; i_idx++ ) { mvar_t *f = mvar_Duplicate( index->field[i_idx] ); //msg_Dbg( p_intf, "foreach field[%d] name=%s value=%s", i_idx, f->name, f->value ); free( f->name ); f->name = strdup( m.param1 ); mvar_PushVar( p_args->vars, f ); Execute( p_args, p_request, i_request, pp_data, pi_data, &dst, start, stop ); mvar_RemoveVar( p_args->vars, f ); mvar_Delete( f ); } mvar_Delete( index ); src = endfor; } break; } default: MacroDo( p_args, &m, p_request, i_request, pp_data, pi_data, &dst ); break; } MacroClean( &m ); continue; } i_copy = ( (p == NULL || p > end ) ? end : p ) - src; if( i_copy > 0 ) { int i_index = dst - *pp_data; *pi_data += i_copy; *pp_data = realloc( *pp_data, *pi_data ); dst = (*pp_data) + i_index; memcpy( dst, src, i_copy ); dst += i_copy; src += i_copy; } } *pp_dst = dst; free( dup ); } /**************************************************************************** * HttpCallback: **************************************************************************** * a file with b_html is parsed and all "macro" replaced * <vlc id="macro name" [param1="" [param2=""]] /> * valid id are * ****************************************************************************/ static int HttpCallback( httpd_file_sys_t *p_args, httpd_file_t *p_file, uint8_t *p_request, uint8_t **pp_data, int *pi_data ) { int i_request = p_request ? strlen( p_request ) : 0; char *p; FILE *f; if( ( f = fopen( p_args->file, "r" ) ) == NULL ) { p = *pp_data = malloc( 10240 ); if( !p ) { return VLC_EGENERIC; } p += sprintf( p, "<html>\n" ); p += sprintf( p, "<head>\n" ); p += sprintf( p, "<title>Error loading %s</title>\n", p_args->file ); p += sprintf( p, "</head>\n" ); p += sprintf( p, "<body>\n" ); p += sprintf( p, "<h1><center>Error loading %s for %s</center></h1>\n", p_args->file, p_args->name ); p += sprintf( p, "<hr />\n" ); p += sprintf( p, "<a href=\"http://www.videolan.org/\">VideoLAN</a>\n" ); p += sprintf( p, "</body>\n" ); p += sprintf( p, "</html>\n" ); *pi_data = strlen( *pp_data ); return VLC_SUCCESS; } if( !p_args->b_html ) { FileLoad( f, pp_data, pi_data ); } else { int i_buffer; uint8_t *p_buffer; uint8_t *dst; vlc_value_t val; char position[4]; /* percentage */ char time[12]; /* in seconds */ char length[12]; /* in seconds */ audio_volume_t i_volume; char volume[5]; char state[8]; #define p_sys p_args->p_intf->p_sys if( p_sys->p_input ) { var_Get( p_sys->p_input, "position", &val); sprintf( position, "%d" , (int)((val.f_float) * 100.0)); var_Get( p_sys->p_input, "time", &val); sprintf( time, "%d" , (int)(val.i_time / 1000000) ); var_Get( p_sys->p_input, "length", &val); sprintf( length, "%d" , (int)(val.i_time / 1000000) ); var_Get( p_sys->p_input, "state", &val ); if( val.i_int == PLAYING_S ) { sprintf( state, "playing" ); } else if( val.i_int == PAUSE_S ) { sprintf( state, "paused" ); } else { sprintf( state, "stop" ); } } else { sprintf( position, "%d", 0 ); sprintf( time, "%d", 0 ); sprintf( length, "%d", 0 ); sprintf( state, "stop" ); } #undef p_sys aout_VolumeGet( p_args->p_intf , &i_volume ); sprintf( volume , "%d" , (int)i_volume ); p_args->vars = mvar_New( "variables", "" ); mvar_AppendNewVar( p_args->vars, "url_param", i_request > 0 ? "1" : "0" ); mvar_AppendNewVar( p_args->vars, "url_value", p_request ); mvar_AppendNewVar( p_args->vars, "version", VERSION_MESSAGE ); mvar_AppendNewVar( p_args->vars, "copyright", COPYRIGHT_MESSAGE ); mvar_AppendNewVar( p_args->vars, "stream_position", position ); mvar_AppendNewVar( p_args->vars, "stream_time", time ); mvar_AppendNewVar( p_args->vars, "stream_length", length ); mvar_AppendNewVar( p_args->vars, "volume", volume ); mvar_AppendNewVar( p_args->vars, "stream_state", state ); SSInit( &p_args->stack ); /* first we load in a temporary buffer */ FileLoad( f, &p_buffer, &i_buffer ); /* allocate output */ *pi_data = i_buffer + 1000; dst = *pp_data = malloc( *pi_data ); /* we parse executing all <vlc /> macros */ Execute( p_args, p_request, i_request, pp_data, pi_data, &dst, &p_buffer[0], &p_buffer[i_buffer] ); *dst = '\0'; *pi_data = dst - *pp_data; SSClean( &p_args->stack ); mvar_Delete( p_args->vars ); free( p_buffer ); } fclose( f ); return VLC_SUCCESS; } /**************************************************************************** * uri parser ****************************************************************************/ static int uri_test_param( char *psz_uri, const char *psz_name ) { char *p = psz_uri; while( (p = strstr( p, psz_name )) ) { /* Verify that we are dealing with a post/get argument */ if( p == psz_uri || *(p - 1) == '&' || *(p - 1) == '\n' ) { return VLC_TRUE; } p++; } return VLC_FALSE; } static char *uri_extract_value( char *psz_uri, const char *psz_name, char *psz_value, int i_value_max ) { char *p = psz_uri; while( (p = strstr( p, psz_name )) ) { /* Verify that we are dealing with a post/get argument */ if( p == psz_uri || *(p - 1) == '&' || *(p - 1) == '\n' ) break; p++; } if( p ) { int i_len; p += strlen( psz_name ); if( *p == '=' ) p++; if( strchr( p, '&' ) ) { i_len = strchr( p, '&' ) - p; } else { /* for POST method */ if( strchr( p, '\n' ) ) { i_len = strchr( p, '\n' ) - p; if( i_len && *(p+i_len-1) == '\r' ) i_len--; } else { i_len = strlen( p ); } } i_len = __MIN( i_value_max - 1, i_len ); if( i_len > 0 ) { strncpy( psz_value, p, i_len ); psz_value[i_len] = '\0'; } else { strncpy( psz_value, "", i_value_max ); } p += i_len; } else { strncpy( psz_value, "", i_value_max ); } return p; } static void uri_decode_url_encoded( char *psz ) { char *dup = strdup( psz ); char *p = dup; while( *p ) { if( *p == '%' ) { char val[3]; p++; if( !*p ) { break; } val[0] = *p++; val[1] = *p++; val[2] = '\0'; *psz++ = strtol( val, NULL, 16 ); } else if( *p == '+' ) { *psz++ = ' '; p++; } else { *psz++ = *p++; } } *psz++ ='\0'; free( dup ); } /**************************************************************************** * Light RPN evaluator ****************************************************************************/ static void SSInit( rpn_stack_t *st ) { st->i_stack = 0; } static void SSClean( rpn_stack_t *st ) { while( st->i_stack > 0 ) { free( st->stack[--st->i_stack] ); } } static void SSPush( rpn_stack_t *st, char *s ) { if( st->i_stack < STACK_MAX ) { st->stack[st->i_stack++] = strdup( s ); } } static char * SSPop( rpn_stack_t *st ) { if( st->i_stack <= 0 ) { return strdup( "" ); } else { return st->stack[--st->i_stack]; } } static int SSPopN( rpn_stack_t *st, mvar_t *vars ) { char *name; char *value; char *end; int i; name = SSPop( st ); i = strtol( name, &end, 0 ); if( end == name ) { value = mvar_GetValue( vars, name ); i = atoi( value ); } free( name ); return( i ); } static void SSPushN( rpn_stack_t *st, int i ) { char v[512]; sprintf( v, "%d", i ); SSPush( st, v ); } static void EvaluateRPN( mvar_t *vars, rpn_stack_t *st, char *exp ) { for( ;; ) { char s[100], *p; /* skip spcae */ while( *exp == ' ' ) { exp++; } if( *exp == '\'' ) { /* extract string */ p = &s[0]; exp++; while( *exp && *exp != '\'' ) { *p++ = *exp++; } *p = '\0'; exp++; SSPush( st, s ); continue; } /* extract token */ p = strchr( exp, ' ' ); if( !p ) { strcpy( s, exp ); exp += strlen( exp ); } else { int i = p -exp; strncpy( s, exp, i ); s[i] = '\0'; exp = p + 1; } if( *s == '\0' ) { break; } /* 1. Integer function */ if( !strcmp( s, "!" ) ) { SSPushN( st, ~SSPopN( st, vars ) ); } else if( !strcmp( s, "^" ) ) { SSPushN( st, SSPopN( st, vars ) ^ SSPopN( st, vars ) ); } else if( !strcmp( s, "&" ) ) { SSPushN( st, SSPopN( st, vars ) & SSPopN( st, vars ) ); } else if( !strcmp( s, "|" ) ) { SSPushN( st, SSPopN( st, vars ) | SSPopN( st, vars ) ); } else if( !strcmp( s, "+" ) ) { SSPushN( st, SSPopN( st, vars ) + SSPopN( st, vars ) ); } else if( !strcmp( s, "-" ) ) { int j = SSPopN( st, vars ); int i = SSPopN( st, vars ); SSPushN( st, i - j ); } else if( !strcmp( s, "*" ) ) { SSPushN( st, SSPopN( st, vars ) * SSPopN( st, vars ) ); } else if( !strcmp( s, "/" ) ) { int i, j; j = SSPopN( st, vars ); i = SSPopN( st, vars ); SSPushN( st, j != 0 ? i / j : 0 ); } else if( !strcmp( s, "%" ) ) { int i, j; j = SSPopN( st, vars ); i = SSPopN( st, vars ); SSPushN( st, j != 0 ? i % j : 0 ); } /* 2. integer tests */ else if( !strcmp( s, "=" ) ) { SSPushN( st, SSPopN( st, vars ) == SSPopN( st, vars ) ? -1 : 0 ); } else if( !strcmp( s, "<" ) ) { int j = SSPopN( st, vars ); int i = SSPopN( st, vars ); SSPushN( st, i < j ? -1 : 0 ); } else if( !strcmp( s, ">" ) ) { int j = SSPopN( st, vars ); int i = SSPopN( st, vars ); SSPushN( st, i > j ? -1 : 0 ); } else if( !strcmp( s, "<=" ) ) { int j = SSPopN( st, vars ); int i = SSPopN( st, vars ); SSPushN( st, i <= j ? -1 : 0 ); } else if( !strcmp( s, ">=" ) ) { int j = SSPopN( st, vars ); int i = SSPopN( st, vars ); SSPushN( st, i >= j ? -1 : 0 ); } /* 3. string functions */ else if( !strcmp( s, "strcat" ) ) { char *s2 = SSPop( st ); char *s1 = SSPop( st ); char *str = malloc( strlen( s1 ) + strlen( s2 ) + 1 ); strcpy( str, s1 ); strcat( str, s2 ); SSPush( st, str ); free( s1 ); free( s2 ); free( str ); } else if( !strcmp( s, "strcmp" ) ) { char *s2 = SSPop( st ); char *s1 = SSPop( st ); SSPushN( st, strcmp( s1, s2 ) ); free( s1 ); free( s2 ); } else if( !strcmp( s, "strncmp" ) ) { int n = SSPopN( st, vars ); char *s2 = SSPop( st ); char *s1 = SSPop( st ); SSPushN( st, strncmp( s1, s2 , n ) ); free( s1 ); free( s2 ); } else if( !strcmp( s, "strsub" ) ) { int n = SSPopN( st, vars ); int m = SSPopN( st, vars ); int i_len; char *s = SSPop( st ); char *str; if( n >= m ) { i_len = n - m + 1; } else { i_len = 0; } str = malloc( i_len + 1 ); memcpy( str, s + m - 1, i_len ); str[ i_len ] = '\0'; SSPush( st, str ); free( s ); free( str ); } else if( !strcmp( s, "strlen" ) ) { char *str = SSPop( st ); SSPushN( st, strlen( str ) ); free( str ); } /* 4. stack functions */ else if( !strcmp( s, "dup" ) ) { char *str = SSPop( st ); SSPush( st, str ); SSPush( st, str ); free( str ); } else if( !strcmp( s, "drop" ) ) { char *str = SSPop( st ); free( str ); } else if( !strcmp( s, "swap" ) ) { char *s1 = SSPop( st ); char *s2 = SSPop( st ); SSPush( st, s1 ); SSPush( st, s2 ); free( s1 ); free( s2 ); } else if( !strcmp( s, "flush" ) ) { SSClean( st ); SSInit( st ); } else if( !strcmp( s, "store" ) ) { char *value = SSPop( st ); char *name = SSPop( st ); mvar_PushNewVar( vars, name, value ); free( name ); free( value ); } else if( !strcmp( s, "value" ) ) { char *name = SSPop( st ); char *value = mvar_GetValue( vars, name ); SSPush( st, value ); free( name ); } else if( !strcmp( s, "url_extract" ) ) { char *url = mvar_GetValue( vars, "url_value" ); char *name = SSPop( st ); char value[512]; uri_extract_value( url, name, value, 512 ); uri_decode_url_encoded( value ); SSPush( st, value ); } else { SSPush( st, s ); } } } /********************************************************************** * Find_end_MRL: Find the end of the sentence : * this function parses the string psz and find the end of the item * and/or option with detecting the " and ' problems. * returns NULL if an error is detected, otherwise, returns a pointer * of the end of the sentence (after the last character) **********************************************************************/ static char *Find_end_MRL( char *psz ) { char *s_sent = psz; switch( *s_sent ) { case '\"': { s_sent++; while( ( *s_sent != '\"' ) && ( *s_sent != '\0' ) ) { if( *s_sent == '\'' ) { s_sent = Find_end_MRL( s_sent ); if( s_sent == NULL ) { return NULL; } } else { s_sent++; } } if( *s_sent == '\"' ) { s_sent++; return s_sent; } else /* *s_sent == '\0' , which means the number of " is incorrect */ { return NULL; } break; } case '\'': { s_sent++; while( ( *s_sent != '\'' ) && ( *s_sent != '\0' ) ) { if( *s_sent == '\"' ) { s_sent = Find_end_MRL( s_sent ); if( s_sent == NULL ) { return NULL; } } else { s_sent++; } } if( *s_sent == '\'' ) { s_sent++; return s_sent; } else /* *s_sent == '\0' , which means the number of ' is incorrect */ { return NULL; } break; } default: /* now we can look for spaces */ { while( ( *s_sent != ' ' ) && ( *s_sent != '\0' ) ) { if( ( *s_sent == '\'' ) || ( *s_sent == '\"' ) ) { s_sent = Find_end_MRL( s_sent ); } else { s_sent++; } } return s_sent; } } } /********************************************************************** * parse_MRL: parse the MRL, find the mrl string and the options, * create an item with all information in it, and return the item. * return NULL if there is an error. **********************************************************************/ playlist_item_t * parse_MRL( intf_thread_t *p_intf, char *psz ) { char **ppsz_options = NULL; char *mrl; char *s_mrl = psz; int i_error = 0; char *s_temp; int i = 0; int i_options = 0; playlist_item_t * p_item = NULL; /* In case there is spaces before the mrl */ while( ( *s_mrl == ' ' ) && ( *s_mrl != '\0' ) ) { s_mrl++; } /* extract the mrl */ s_temp = strstr( s_mrl , " :" ); if( s_temp == NULL ) { s_temp = s_mrl + strlen( s_mrl ); } else { while( (*s_temp == ' ') && (s_temp != s_mrl ) ) { s_temp--; } s_temp++; } /* if the mrl is between " or ', we must remove them */ if( (*s_mrl == '\'') || (*s_mrl == '\"') ) { mrl = (char *)malloc( (s_temp - s_mrl - 1) * sizeof( char ) ); strncpy( mrl , (s_mrl + 1) , s_temp - s_mrl - 2 ); mrl[ s_temp - s_mrl - 2 ] = '\0'; } else { mrl = (char *)malloc( (s_temp - s_mrl + 1) * sizeof( char ) ); strncpy( mrl , s_mrl , s_temp - s_mrl ); mrl[ s_temp - s_mrl ] = '\0'; } s_mrl = s_temp; /* now we can take care of the options */ while( (*s_mrl != '\0') && (i_error == 0) ) { switch( *s_mrl ) { case ' ': { s_mrl++; break; } case ':': /* an option */ { s_temp = Find_end_MRL( s_mrl ); if( s_temp == NULL ) { i_error = 1; } else { i_options++; ppsz_options = realloc( ppsz_options , i_options * sizeof(char *) ); ppsz_options[ i_options - 1 ] = malloc( (s_temp - s_mrl + 1) * sizeof(char) ); strncpy( ppsz_options[ i_options - 1 ] , s_mrl , s_temp - s_mrl ); /* don't forget to finish the string with a '\0' */ (ppsz_options[ i_options - 1 ])[ s_temp - s_mrl ] = '\0'; s_mrl = s_temp; } break; } default: { i_error = 1; break; } } } if( i_error != 0 ) { free( mrl ); } else { /* now create an item */ p_item = playlist_ItemNew( p_intf, mrl, mrl); for( i = 0 ; i< i_options ; i++ ) { playlist_ItemAddOption( p_item, ppsz_options[i] ); } } for( i = 0 ; i < i_options ; i++ ) { free( ppsz_options[i] ); } free( ppsz_options ); return p_item; }