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/*****************************************************************************
* http.c : http mini-server ;)
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: http.c,v 1.41 2003/12/21 23:32:58 sam Exp $
*
* 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 "httpd.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
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Activate ( 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 on which the http interface will bind" )
#define SRC_TEXT N_( "Source directory" )
#define SRC_LONGTEXT N_( "Source directory" )
vlc_module_begin();
set_description( _("HTTP remote control interface") );
add_category_hint( N_("HTTP remote control"), NULL, VLC_TRUE );
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( Activate, 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 http_get( httpd_file_callback_args_t *p_args,
uint8_t *p_request, int i_request,
uint8_t **pp_data, int *pi_data );
static char *uri_extract_value( char *psz_uri, char *psz_name,
char *psz_value, int i_value_max );
static void uri_decode_url_encoded( char *psz );
static char *Find_end_MRL( char *psz );
static playlist_item_t * parse_MRL( 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_callback_args_t
{
intf_thread_t *p_intf;
httpd_file_t *p_file;
char *file;
char *name;
char *mime;
/* inited for each access */
rpn_stack_t stack;
mvar_t *vars;
};
struct intf_sys_t
{
httpd_t *p_httpd;
httpd_host_t *p_httpd_host;
int i_files;
httpd_file_callback_args_t **pp_files;
playlist_t *p_playlist;
input_thread_t *p_input;
};
/*****************************************************************************
* Activate: initialize and create stuff
*****************************************************************************/
static int Activate( 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;
if( ( p_sys->p_httpd = httpd_Find( VLC_OBJECT(p_intf), VLC_TRUE ) ) == NULL )
{
msg_Err( p_intf, "cannot create/find httpd" );
free( p_sys );
return VLC_EGENERIC;
}
if( ( p_sys->p_httpd_host =
p_sys->p_httpd->pf_register_host( p_sys->p_httpd,
psz_address, i_port ) ) == NULL )
{
msg_Err( p_intf, "cannot listen on %s:%d", psz_address, i_port );
httpd_Release( p_sys->p_httpd );
free( p_sys );
return VLC_EGENERIC;
}
if( psz_host )
{
free( psz_host );
}
p_sys->i_files = 0;
p_sys->pp_files = malloc( sizeof( httpd_file_callback_args_t *) );
if( !p_sys->pp_files )
{
return( VLC_ENOMEM );
}
#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;
return VLC_SUCCESS;
failed:
free( p_sys->pp_files );
p_sys->p_httpd->pf_unregister_host( p_sys->p_httpd,
p_sys->p_httpd_host );
httpd_Release( p_sys->p_httpd );
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;
for( i = 0; i < p_sys->i_files; i++ )
{
p_sys->p_httpd->pf_unregister_file( p_sys->p_httpd,
p_sys->pp_files[i]->p_file );
/* do not free mime */
free( p_sys->pp_files[i]->file );
free( p_sys->pp_files[i]->name );
free( p_sys->pp_files[i] );
}
free( p_sys->pp_files );
p_sys->p_httpd->pf_unregister_host( p_sys->p_httpd,
p_sys->p_httpd_host );
httpd_Release( p_sys->p_httpd );
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;
}
/****************************************************************************
* FileToMime: XXX duplicated with modules/access_out/http.c
****************************************************************************/
static struct
{
char *psz_ext;
char *psz_mime;
} http_mime[] =
{
{ ".htm", "text/html" },
{ ".html", "text/html" },
{ ".css", "text/css" },
/* media mime */
{ ".avi", "video/avi" },
{ ".asf", "video/x-ms-asf" },
{ ".m1a", "audio/mpeg" },
{ ".m2a", "audio/mpeg" },
{ ".m1v", "video/mpeg" },
{ ".m2v", "video/mpeg" },
{ ".mp2", "audio/mpeg" },
{ ".mp3", "audio/mpeg" },
{ ".mpa", "audio/mpeg" },
{ ".mpg", "video/mpeg" },
{ ".mpeg", "video/mpeg" },
{ ".mpe", "video/mpeg" },
{ ".mov", "video/quicktime" },
{ ".moov", "video/quicktime" },
{ ".ogg", "application/ogg" },
{ ".ogm", "application/ogg" },
{ ".wav", "audio/wav" },
/* end */
{ NULL, NULL }
};
static char *FileToMime( char *psz_name )
{
char *psz_ext;
psz_ext = strrchr( psz_name, '.' );
if( psz_ext )
{
int i;
for( i = 0; http_mime[i].psz_ext != NULL ; i++ )
{
if( !strcmp( http_mime[i].psz_ext, psz_ext ) )
{
return( http_mime[i].psz_mime );
}
}
}
return( "application/octet-stream" );
}
/****************************************************************************
* 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 ) )
{
#define f p_sys->pp_files[p_sys->i_files]
f = malloc( sizeof( httpd_file_callback_args_t ) );
if( !f )
{
msg_Err( p_intf, "Out of memory" );
return( VLC_ENOMEM );
}
f->p_intf = p_intf;
f->file = strdup( dir );
f->name = FileToUrl( &dir[strlen( psz_root )] );
f->mime = FileToMime( &dir[strlen( psz_root )] );
if( !f->name || !f->mime )
{
msg_Err( p_intf , "Unable to parse directory" );
return( VLC_ENOMEM );
}
msg_Dbg( p_intf, "file=%s (url=%s mime=%s)",
f->file, f->name, f->mime );
f->p_file =
p_sys->p_httpd->pf_register_file( p_sys->p_httpd,
f->name, f->mime,
user, password,
http_get, http_get,
f );
if( f->p_file )
{
p_sys->i_files++;
p_sys->pp_files = realloc( p_sys->pp_files,
(p_sys->i_files+1) * sizeof( httpd_file_callback_args_t ) );
}
#define fold p_sys->pp_files[p_sys->i_files-1]
/* FIXME for rep/ add rep (it would be better to do a redirection) */
if( p_sys->i_files && strlen(fold->name) > 1 &&
fold->name[strlen(fold->name) - 1] == '/' )
{
f = malloc( sizeof( httpd_file_callback_args_t ) );
if( !f )
{
msg_Err( p_intf, "Out of memory" );
return( VLC_ENOMEM );
}
f->p_intf = p_intf;
f->file = strdup( fold->file );
f->name = strdup( fold->name );
f->mime = fold->mime;
f->name[strlen(f->name) - 1] = '\0';
msg_Dbg( p_intf, "file=%s (url=%s mime=%s)", f->file, f->name,
f->mime );
f->p_file =
p_sys->p_httpd->pf_register_file( p_sys->p_httpd,
f->name, f->mime,
user, password,
http_get, http_get,
f );
if( f->p_file )
{
p_sys->i_files++;
p_sys->pp_files =
realloc( p_sys->pp_files, (p_sys->i_files+1) *
sizeof( httpd_file_callback_args_t ) );
}
}
#undef fold
#undef f
}
}
if( user )
{
free( user );
}
if( password )
{
free( password );
}
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]->psz_name );
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" );
input_info_category_t * p_category;
input_info_t * p_info;
fprintf( stderr," mvar_InfoSetNew: name=`%s'\n", name );
if( p_input == NULL )
{
return s;
}
vlc_mutex_lock( &p_input->stream.stream_lock );
p_category = p_input->stream.p_info;
while ( p_category )
{
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 );
p_info = p_category->p_info;
while ( p_info )
{
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 );
p_info = p_info->p_next;
}
mvar_AppendVar( s, cat );
p_category = p_category->p_next;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
return s;
}
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 );
}
return s;
}
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;
}
#if defined( WIN32 )
sprintf( tmp, "%s\\%s", psz_dir, p_dir_content->d_name );
#else
sprintf( tmp, "%s/%s", psz_dir, p_dir_content->d_name );
#endif
#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, "%lld", 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 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_VOLUME,
MVLC_FULLSCREEN,
MVLC_CLOSE,
MVLC_SHUTDOWN,
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 },
/* admin control */
{ "close", MVLC_CLOSE },
{ "shutdown", MVLC_SHUTDOWN },
{ "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_callback_args_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( mrl );
if( !p_item || !p_item->psz_uri || !*p_item->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 = SORT_NORMAL;
else i_order = SORT_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 );
}
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( 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 );
}
break;
}
case MVLC_SHUTDOWN:
{
msg_Dbg( p_intf, "requested shutdown" );
p_intf->p_vlc->b_die = VLC_TRUE;
break;
}
default:
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 : "" );
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;
}
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_callback_args_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, "informations" ) )
{
index = mvar_InfoSetNew( m.param1, p_intf->p_sys->p_input );
}
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);
}
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 );
}
/****************************************************************************
* http_get:
****************************************************************************
* a file with mime == text/html is parsed and all "macro" replaced
* <vlc id="macro name" [param1="" [param2=""]] />
* valid id are
*
****************************************************************************/
static int http_get( httpd_file_callback_args_t *p_args,
uint8_t *p_request, int i_request,
uint8_t **pp_data, int *pi_data )
{
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 ) + 1;
return VLC_SUCCESS;
}
if( strcmp( p_args->mime, "text/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 );
}
fclose( f );
return VLC_SUCCESS;
}
/****************************************************************************
* uri parser
****************************************************************************/
static char *uri_extract_value( char *psz_uri, char *psz_name,
char *psz_value, int i_value_max )
{
char *p;
p = strstr( psz_uri, psz_name );
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, "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 informations in it, and return the item.
* return NULL if there is an error.
**********************************************************************/
playlist_item_t * parse_MRL( 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;
/* 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 = (char **)realloc( ppsz_options , i_options * sizeof(char *) );
ppsz_options[ i_options - 1 ] = (char *)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 );
for( i = 0 ; i < i_options ; i++ )
{
free( ppsz_options[i] );
}
free( ppsz_options );
return NULL;
} else
{
/* now create an item */
p_item = malloc( sizeof( playlist_item_t ) );
p_item->psz_name = mrl;
p_item->psz_uri = strdup( mrl );
p_item->psz_author = strdup( "" );
p_item->i_duration = -1;
p_item->i_type = 0;
p_item->i_status = 0;
p_item->b_autodeletion = VLC_FALSE;
p_item->b_enabled = VLC_TRUE;
p_item->i_group = PLAYLIST_TYPE_MANUAL;
p_item->ppsz_options = NULL;
p_item->i_options = i_options;
if( i_options )
{
p_item->ppsz_options = ppsz_options;
}
return p_item;
}
}