* httpd.c
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
- * $Id: httpd.c,v 1.16 2003/06/28 23:56:30 fenrir Exp $
+ * $Id: httpd.c,v 1.17 2003/07/01 08:30:49 adn Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
int64_t i_stream_pos; /* absolute pos in stream */
} httpd_connection_t;
+/* Linked List of banned IP */
+typedef struct httpd_banned_ip_s
+{
+ struct httpd_banned_ip_s *p_next;
+ struct httpd_banned_ip_s *p_prev;
+
+ char *psz_ip;
+
+} httpd_banned_ip_t;
/*
* The httpd thread
*/
vlc_mutex_t connection_lock;
int i_connection_count;
httpd_connection_t *p_first_connection;
+
+ vlc_mutex_t ban_lock;
+ int i_banned_ip_count;
+ httpd_banned_ip_t *p_first_banned_ip;
};
static void httpd_Thread( httpd_sys_t *p_httpt );
static void httpd_ConnnectionNew( httpd_sys_t *, int , struct sockaddr_in * );
static void httpd_ConnnectionClose( httpd_sys_t *, httpd_connection_t * );
-
+static int httpd_UnbanIP( httpd_sys_t *, httpd_banned_ip_t *);
+static int httpd_BanIP( httpd_sys_t *, char *);
+static httpd_banned_ip_t *httpd_GetbannedIP( httpd_sys_t *, char * );
/*****************************************************************************
* Open:
*****************************************************************************/
p_httpt->i_connection_count = 0;
p_httpt->p_first_connection = NULL;
+ vlc_mutex_init( p_httpd, &p_httpt->ban_lock );
+ p_httpt->i_banned_ip_count = 0;
+ p_httpt->p_first_banned_ip = NULL;
+
/* start the thread */
if( vlc_thread_create( p_httpt, "httpd thread",
httpd_Thread, VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
vlc_mutex_destroy( &p_httpt->host_lock );
vlc_mutex_destroy( &p_httpt->file_lock );
vlc_mutex_destroy( &p_httpt->connection_lock );
+ vlc_mutex_destroy( &p_httpt->ban_lock );
vlc_object_destroy( p_httpt );
return( VLC_EGENERIC );
httpd_sys_t *p_httpt = p_httpd->p_sys;
httpd_connection_t *p_con;
+ httpd_banned_ip_t *p_banned_ip;
+
int i;
p_httpt->b_die = 1;
{
httpd_ConnnectionClose( p_httpt, p_con );
}
-
+
+ /* Free all banned IP */
+ vlc_mutex_destroy( &p_httpt->ban_lock );
+ while( ( p_banned_ip = p_httpt->p_first_banned_ip))
+ {
+ httpd_UnbanIP(p_httpt,p_banned_ip);
+ }
+
msg_Info( p_httpd, "httpd instance closed" );
vlc_object_destroy( p_httpt );
}
for( i = 0; i < p_httpt->i_host_count; i++ )
{
if( p_httpt->host[i]->sock.sin_port == sock.sin_port &&
- ( p_httpt->host[i]->sock.sin_addr.s_addr == INADDR_ANY ||
- p_httpt->host[i]->sock.sin_addr.s_addr == sock.sin_addr.s_addr ) )
+ p_httpt->host[i]->sock.sin_addr.s_addr == sock.sin_addr.s_addr )
{
break;
}
{
httpd_sys_t *p_httpt = (httpd_sys_t*)p_args;
httpd_connection_t *p_con;
+ httpd_banned_ip_t *p_ip;
+
int i;
char *p;
p += sprintf( p, "<li>Connection count: %d</li>\n", p_httpt->i_connection_count );
//p += sprintf( p, "<li>Total bandwith: %d</li>\n", -1 );
/*p += sprintf( p, "<li></li>\n" );*/
+ p += sprintf( p, "<li>Ban count: %d</li>\n", p_httpt->i_banned_ip_count );
p += sprintf( p, "</ul>\n" );
+
+ /* ban list */
+ /* XXX do not lock on ban_lock */
+ p += sprintf( p, "<h3>Ban list</h3>\n" );
+ p += sprintf( p, "<table border=\"1\" cellspacing=\"0\" >\n" );
+ p += sprintf( p, "<tr>\n<th>IP</th>\n<th>Action</th></tr>\n" );
+ for( p_ip = p_httpt->p_first_banned_ip;p_ip != NULL; p_ip = p_ip->p_next )
+ {
+ p += sprintf( p, "<tr>\n" );
+ p += sprintf( p, "<td>%s</td>\n", p_ip->psz_ip );
+ p += sprintf( p, "<td><form method=\"get\" action=\"\">"
+ "<select name=\"action\">"
+ "<option selected>unban_ip</option>"
+ "</select>"
+ "<input type=\"hidden\" name=\"id\" value=\"%s\"/>"
+ "<input type=\"submit\" value=\"Do it\" />"
+ "</form></td>\n", p_ip->psz_ip);
+ p += sprintf( p, "</tr>\n" );
+ }
+ p += sprintf( p, "</table>\n" );
+
+
+
/* host list */
vlc_mutex_lock( &p_httpt->host_lock );
p += sprintf( p, "<h3>Host list</h3>\n" );
"<select name=\"action\">"
"<option selected>close_connection</option>"
"<option>ban_ip</option>"
+ "<option>close_connection_and_ban_ip</option>"
"</select>"
"<input type=\"hidden\" name=\"id\" value=\"%p\"/>"
"<input type=\"submit\" value=\"Do it\" />"
p += sprintf( p, "<h1><center>VideoLAN Client Stream Output</center></h1>\n" );
p += sprintf( p, "<p>Success=`%s'</p>", psz_msg );
-
+ p += sprintf( p, "<a href=\"admin.html\">Retour a la page d'administration</a>\n" );
+
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, "<h1><center>VideoLAN Client Stream Output</center></h1>\n" );
p += sprintf( p, "<p>Error=`%s'</p>", psz_error );
+ p += sprintf( p, "<a href=\"admin.html\">Retour a la page d'administration</a>\n" );
p += sprintf( p, "<hr />\n" );
p += sprintf( p, "<a href=\"http://www.videolan.org\">VideoLAN</a>\n" );
}
else if( !strcmp( action, "ban_ip" ) )
{
- msg_Dbg( p_httpt, "requested banning ip" );
- return( _httpd_page_admin_get_success( p_args, pp_data, pi_data, "ip banned" ) );
+ char id[128];
+ void *i_id;
+
+ _httpd_uri_extract_value( p_request, "id", id, 512 );
+ i_id = (void*)strtol( id, NULL, 0 );
+
+ msg_Dbg( p_httpt, "requested banning ip id=%s %p", id, i_id );
+
+ for( p_con = p_httpt->p_first_connection;p_con != NULL; p_con = p_con->p_next )
+ {
+ if( (void*)p_con == i_id )
+ {
+ if( httpd_BanIP( p_httpt,inet_ntoa( p_con->sock.sin_addr ) ) == 0)
+ return( _httpd_page_admin_get_success( p_args, pp_data, pi_data, "IP banned" ) );
+ else
+ break;
+ }
+ }
+
+ return( _httpd_page_admin_get_error( p_args, pp_data, pi_data, action ) );
}
+ else if( !strcmp( action, "unban_ip" ) )
+ {
+ char id[128];
+
+ _httpd_uri_extract_value( p_request, "id", id, 512 );
+ msg_Dbg( p_httpt, "requested unbanning ip %s", id);
+
+ if( httpd_UnbanIP( p_httpt, httpd_GetbannedIP ( p_httpt, id ) ) == 0)
+ return( _httpd_page_admin_get_success( p_args, pp_data, pi_data, "IP Unbanned" ) );
+ else
+ return( _httpd_page_admin_get_error( p_args, pp_data, pi_data, action ) );
+ }
+ else if( !strcmp( action, "close_connection_and_ban_ip" ) )
+ {
+ char id[128];
+ void *i_id;
+
+ _httpd_uri_extract_value( p_request, "id", id, 512 );
+ i_id = (void*)strtol( id, NULL, 0 );
+ msg_Dbg( p_httpt, "requested closing connection and banning ip id=%s %p", id, i_id );
+ for( p_con = p_httpt->p_first_connection;p_con != NULL; p_con = p_con->p_next )
+ {
+ if( (void*)p_con == i_id )
+ {
+ /* XXX don't free p_con as it could be the one that it is sending ... */
+ p_con->i_state = HTTPD_CONNECTION_TO_BE_CLOSED;
+
+ if( httpd_BanIP( p_httpt,inet_ntoa( p_con->sock.sin_addr ) ) == 0)
+ return( _httpd_page_admin_get_success( p_args, pp_data, pi_data, "Connection closed and IP banned" ) );
+ else
+ break;
+ }
+
+ }
+ return( _httpd_page_admin_get_error( p_args, pp_data, pi_data, "invalid id" ) );
+
+
+ return( _httpd_page_admin_get_error( p_args, pp_data, pi_data, action ) );
+ }
else
{
return( _httpd_page_admin_get_error( p_args, pp_data, pi_data, action ) );
return VLC_SUCCESS;
}
+static int httpd_BanIP( httpd_sys_t *p_httpt, char * psz_new_banned_ip)
+{
+ httpd_banned_ip_t *p_new_banned_ip ;
+
+ p_new_banned_ip = malloc( sizeof( httpd_banned_ip_t ) );
+ if( !p_new_banned_ip )
+ {
+ return -1;
+ }
+ p_new_banned_ip->p_next=NULL;
+ p_new_banned_ip->psz_ip = malloc( strlen( psz_new_banned_ip ) + 1 );
+ if( !p_new_banned_ip->psz_ip )
+ {
+ return -2;
+ }
+
+ strcpy( p_new_banned_ip->psz_ip, psz_new_banned_ip );
+
+ msg_Dbg( p_httpt, "Banning IP %s", psz_new_banned_ip );
+
+ if( p_httpt->p_first_banned_ip )
+ {
+ httpd_banned_ip_t *p_last;
+
+ p_last = p_httpt->p_first_banned_ip;
+ while( p_last->p_next )
+ {
+ p_last = p_last->p_next;
+ }
+
+ p_last->p_next = p_new_banned_ip;
+ p_new_banned_ip->p_prev = p_last;
+ }
+ else
+ {
+ p_new_banned_ip->p_prev = NULL;
+
+ p_httpt->p_first_banned_ip = p_new_banned_ip;
+ }
+
+ p_httpt->i_banned_ip_count++;
+ return 0;
+}
+
+static httpd_banned_ip_t *httpd_GetbannedIP( httpd_sys_t *p_httpt, char *psz_ip )
+{
+ httpd_banned_ip_t *p_ip;
+
+ p_ip = p_httpt->p_first_banned_ip;
+
+ while( p_ip)
+ {
+ if( strcmp( psz_ip, p_ip->psz_ip ) == 0 )
+ {
+ return p_ip;
+ }
+ p_ip = p_ip->p_next;
+ }
+
+ return NULL;
+}
+
+static int httpd_UnbanIP( httpd_sys_t *p_httpt, httpd_banned_ip_t *p_banned_ip )
+{
+ if(!p_banned_ip)
+ {
+ return -1;
+ }
+
+ msg_Dbg( p_httpt, "Unbanning IP %s",p_banned_ip->psz_ip);
+
+ /* first cut out from list */
+ if( p_banned_ip->p_prev )
+ {
+ p_banned_ip->p_prev->p_next = p_banned_ip->p_next;
+ }
+ else
+ {
+ p_httpt->p_first_banned_ip = p_banned_ip->p_next;
+ }
+
+ if( p_banned_ip->p_next )
+ {
+ p_banned_ip->p_next->p_prev = p_banned_ip->p_prev;
+ }
+
+ FREE( p_banned_ip->psz_ip );
+ FREE( p_banned_ip );
+
+ p_httpt->i_banned_ip_count--;
+
+ return 0;
+
+}
static void httpd_ConnnectionNew( httpd_sys_t *p_httpt, int fd, struct sockaddr_in *p_sock )
{
httpd_connection_t *p_con;
msg_Dbg( p_httpt, "new connection from %s", inet_ntoa( p_sock->sin_addr ) );
-
+
+ /* verify if it's a banned ip */
+ if(httpd_GetbannedIP( p_httpt,inet_ntoa( p_sock->sin_addr ) ) )
+ {
+ msg_Dbg( p_httpt, "Ip %s banned : closing connection", inet_ntoa( p_sock->sin_addr ) );
+ close(fd);
+ return;
+ }
+
/* create a new connection and link it */
p_con = malloc( sizeof( httpd_connection_t ) );
p_con->i_state = HTTPD_CONNECTION_RECEIVING_REQUEST;
p_con->i_state = HTTPD_CONNECTION_SENDING_HEADER;
- p_con->i_buffer_size = 4096;
- p_con->i_buffer = 0;
-
/* we send stream header with this one */
if( p_con->i_http_error == 200 && p_con->p_file->b_stream )
{
- p_con->i_buffer_size += p_con->p_file->i_header_size;
+ p_con->i_buffer_size = 4096 + p_con->p_file->i_header_size;
}
+ p_con->i_buffer_size = 4096;
+ p_con->i_buffer = 0;
p = p_con->p_buffer = malloc( p_con->i_buffer_size );
p += sprintf( p, "HTTP/1.0 %d %s\r\n", p_con->i_http_error, psz_status );
p_con->i_buffer_size = strlen( p_con->p_buffer );// + 1;
- if( p_con->i_http_error == 200 && p_con->p_file->b_stream &&
- p_con->p_file->i_header_size > 0 )
+ if( p_con->i_http_error == 200 && p_con->p_file->b_stream && p_con->p_file->i_header_size > 0 )
{
/* add stream header */
memcpy( &p_con->p_buffer[p_con->i_buffer_size],
msleep( 1000 );
continue;
}
- if( i_ret <= 0 )
+ /*FIXME : < 0 is necessary for medialive plugin (it was <=0 before), but why ?*/
+ if( i_ret < 0 )
{
// msg_Dbg( p_httpt, "waiting..." );
continue;
}
else if( i_send > 0 )
{
+ msg_Dbg( p_httpt, "Sending %d bytes",i_send );
p_con->i_last_activity_date = mdate();
p_con->i_stream_pos += i_send;
}
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