@ -1,7 +1,9 @@
/**
* xrdp : A Remote Desktop Protocol server .
*
* Copyright ( C ) Jay Sorg 2009 - 2012
* xrdp device redirection - we mainly use it for drive redirection
*
* Copyright ( C ) Laxmikant Rashinkar 2013
*
* Licensed under the Apache License , Version 2.0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
@ -19,19 +21,372 @@
# if !defined(DEVREDIR_H)
# define DEVREDIR_H
# include <stdio.h>
# include <unistd.h>
# include <stdlib.h>
# include <sys/types.h>
# include <fcntl.h>
# include <string.h>
# include "arch.h"
# include "parse.h"
# include "os_calls.h"
# include "log.h"
# include "chansrv_fuse.h"
typedef struct fuse_data FUSE_DATA ;
struct fuse_data
{
void * data_ptr ;
FUSE_DATA * next ;
} ;
/* An I/O Resource Packet to track dev_dir I/O calls */
typedef struct irp IRP ;
struct irp
{
tui32 completion_id ; /* unique number */
char completion_type ; /* describes I/O type */
tui32 FileId ; /* RDP client provided unique number */
//void *fusep; /* opaque FUSE info */
char pathname [ 256 ] ; /* absolute pathname */
tui32 device_id ; /* identifies remote device */
FUSE_DATA * fd_head ; /* point to first FUSE opaque object */
FUSE_DATA * fd_tail ; /* point to last FUSE opaque object */
IRP * next ; /* point to next IRP */
IRP * prev ; /* point to previous IRP */
} ;
void * dev_redir_fuse_data_peek ( IRP * irp ) ;
void * dev_redir_fuse_data_dequeue ( IRP * irp ) ;
int dev_redir_fuse_data_enqueue ( IRP * irp , void * vp ) ;
IRP * dev_redir_irp_new ( ) ;
IRP * dev_redir_irp_find ( tui32 completion_id ) ;
IRP * dev_redir_irp_find_by_fileid ( tui32 FileId ) ;
IRP * dev_redir_irp_get_last ( ) ;
int dev_redir_irp_delete ( IRP * irp ) ;
void dev_redir_irp_dump ( ) ;
int APP_CC dev_redir_init ( void ) ;
int APP_CC dev_redir_deinit ( void ) ;
int APP_CC dev_redir_data_in ( struct stream * s , int chan_id , int chan_flags ,
int length , int total_length ) ;
int APP_CC dev_redir_get_wait_objs ( tbus * objs , int * count , int * timeout ) ;
int APP_CC dev_redir_check_wait_objs ( void ) ;
void dev_redir_send_server_core_cap_req ( ) ;
void dev_redir_send_server_clientID_confirm ( ) ;
void dev_redir_send_server_user_logged_on ( ) ;
void dev_redir_send_server_device_announce_resp ( tui32 device_id ) ;
void dev_redir_send_drive_dir_request ( IRP * irp , tui32 device_id ,
tui32 InitialQuery , char * Path ) ;
int dev_redir_send_drive_create_request ( tui32 device_id , char * path ,
tui32 DesiredAccess ,
tui32 CreateOptions ,
tui32 CreateDisposition ,
tui32 completion_id ) ;
int dev_redir_send_drive_close_request ( tui16 Component , tui16 PacketId ,
tui32 DeviceId ,
tui32 FileId ,
tui32 CompletionId ,
tui32 MajorFunction ,
tui32 MinorFunc ,
int pad_len ) ;
void dev_redir_proc_client_devlist_announce_req ( struct stream * s ) ;
void dev_redir_proc_client_core_cap_resp ( struct stream * s ) ;
void dev_redir_proc_device_iocompletion ( struct stream * s ) ;
void dev_redir_proc_query_dir_response ( IRP * irp ,
struct stream * s ,
tui32 DeviceId ,
tui32 CompletionId ,
tui32 IoStatus ) ;
/* misc stuff */
void dev_redir_insert_dev_io_req_header ( struct stream * s ,
tui32 DeviceId ,
tui32 FileId ,
tui32 CompletionId ,
tui32 MajorFunction ,
tui32 MinorFunction ) ;
void devredir_cvt_to_unicode ( char * unicode , char * path ) ;
void devredir_cvt_from_unicode_len ( char * path , char * unicode , int len ) ;
int dev_redir_string_ends_with ( char * string , char c ) ;
void dev_redir_insert_rdpdr_header ( struct stream * s , tui16 Component ,
tui16 PacketId ) ;
/* called from FUSE module */
int dev_redir_get_dir_listing ( void * fusep , tui32 device_id , char * path ) ;
int dev_redir_file_open ( void * fusep , tui32 device_id , char * path ,
int mode , int type ) ;
int dev_redir_file_read ( void * fusep , tui32 device_id , tui32 FileId ,
tui32 Length , tui64 Offset ) ;
/* module based logging */
# define LOG_ERROR 0
# define LOG_INFO 1
# define LOG_DEBUG 2
# ifndef LOG_LEVEL
# define LOG_LEVEL LOG_ERROR
# endif
# define log_error(_params...) \
{ \
g_write ( " [%10.10u]: DEV_REDIR %s: %d : ERROR: " , \
g_time3 ( ) , __func__ , __LINE__ ) ; \
g_writeln ( _params ) ; \
}
# define log_info(_params...) \
{ \
if ( LOG_INFO < = LOG_LEVEL ) \
{ \
g_write ( " [%10.10u]: DEV_REDIR %s: %d : " , \
g_time3 ( ) , __func__ , __LINE__ ) ; \
g_writeln ( _params ) ; \
} \
}
# define log_debug(_params...) \
{ \
if ( LOG_DEBUG < = LOG_LEVEL ) \
{ \
g_write ( " [%10.10u]: DEV_REDIR %s: %d : " , \
g_time3 ( ) , __func__ , __LINE__ ) ; \
g_writeln ( _params ) ; \
} \
}
int send_channel_data ( int chan_id , char * data , int size ) ;
/*
* RDPDR_HEADER definitions
*/
/* device redirector core component; most of the packets in this protocol */
/* are sent under this component ID */
# define RDPDR_CTYP_CORE 0x4472
/* printing component. the packets that use this ID are typically about */
/* printer cache management and identifying XPS printers */
# define RDPDR_CTYP_PRN 0x5052
/* Server Announce Request, as specified in section 2.2.2.2 */
# define PAKID_CORE_SERVER_ANNOUNCE 0x496E
/* Client Announce Reply and Server Client ID Confirm, as specified in */
/* sections 2.2.2.3 and 2.2.2.6. */
# define PAKID_CORE_CLIENTID_CONFIRM 0x4343
/* Client Name Request, as specified in section 2.2.2.4 */
# define PAKID_CORE_CLIENT_NAME 0x434E
/* Client Device List Announce Request, as specified in section 2.2.2.9 */
# define PAKID_CORE_DEVICELIST_ANNOUNCE 0x4441
/* Server Device Announce Response, as specified in section 2.2.2.1 */
# define PAKID_CORE_DEVICE_REPLY 0x6472
/* Device I/O Request, as specified in section 2.2.1.4 */
# define PAKID_CORE_DEVICE_IOREQUEST 0x4952
/* Device I/O Response, as specified in section 2.2.1.5 */
# define PAKID_CORE_DEVICE_IOCOMPLETION 0x4943
/* Server Core Capability Request, as specified in section 2.2.2.7 */
# define PAKID_CORE_SERVER_CAPABILITY 0x5350
/* Client Core Capability Response, as specified in section 2.2.2.8 */
# define PAKID_CORE_CLIENT_CAPABILITY 0x4350
/* Client Drive Device List Remove, as specified in section 2.2.3.2 */
# define PAKID_CORE_DEVICELIST_REMOVE 0x444D
/* Add Printer Cachedata, as specified in [MS-RDPEPC] section 2.2.2.3 */
# define PAKID_PRN_CACHE_DATA 0x5043
/* Server User Logged On, as specified in section 2.2.2.5 */
# define PAKID_CORE_USER_LOGGEDON 0x554C
/* Server Printer Set XPS Mode, as specified in [MS-RDPEPC] section 2.2.2.2 */
# define PAKID_PRN_USING_XPS 0x5543
/*
* Capability header definitions
*/
# define CAP_GENERAL_TYPE 0x0001 /* General cap set - GENERAL_CAPS_SET */
# define CAP_PRINTER_TYPE 0x0002 /* Print cap set - PRINTER_CAPS_SET */
# define CAP_PORT_TYPE 0x0003 /* Port cap set - PORT_CAPS_SET */
# define CAP_DRIVE_TYPE 0x0004 /* Drive cap set - DRIVE_CAPS_SET */
# define CAP_SMARTCARD_TYPE 0x0005 /* Smart card cap set - SMARTCARD_CAPS_SET */
/* client minor versions */
# define RDP_CLIENT_50 0x0002
# define RDP_CLIENT_51 0x0005
# define RDP_CLIENT_52 0x000a
# define RDP_CLIENT_60_61 0x000c
/* used in device announce list */
# define RDPDR_DTYP_SERIAL 0x0001
# define RDPDR_DTYP_PARALLEL 0x0002
# define RDPDR_DTYP_PRINT 0x0004
# define RDPDR_DTYP_FILESYSTEM 0x0008
# define RDPDR_DTYP_SMARTCARD 0x0020
/*
* DesiredAccess Mask [ MS - SMB2 ] section 2.2 .13 .1 .1
*/
# define DA_FILE_READ_DATA 0x00000001
# define DA_FILE_WRITE_DATA 0x00000002
# define DA_FILE_APPEND_DATA 0x00000004
# define DA_FILE_READ_EA 0x00000008 /* rd extended attributes */
# define DA_FILE_WRITE_EA 0x00000010 /* wr extended attributes */
# define DA_FILE_EXECUTE 0x00000020
# define DA_FILE_READ_ATTRIBUTES 0x00000080
# define DA_FILE_WRITE_ATTRIBUTES 0x00000100
# define DA_DELETE 0x00010000
# define DA_READ_CONTROL 0x00020000 /* rd security descriptor */
# define DA_WRITE_DAC 0x00040000
# define DA_WRITE_OWNER 0x00080000
# define DA_SYNCHRONIZE 0x00100000
# define DA_ACCESS_SYSTEM_SECURITY 0x01000000
# define DA_MAXIMUM_ALLOWED 0x02000000
# define DA_GENERIC_ALL 0x10000000
# define DA_GENERIC_EXECUTE 0x20000000
# define DA_GENERIC_WRITE 0x40000000
# define DA_GENERIC_READ 0x80000000
/*
* CreateOptions Mask [ MS - SMB2 ] section 2.2 .13 SMB2 CREATE Request
*/
# define CO_FILE_DIRECTORY_FILE 0x00000001
# define CO_FILE_WRITE_THROUGH 0x00000002
# define CO_FILE_SYNCHRONOUS_IO_NONALERT 0x00000020
/*
* CreateDispositions Mask [ MS - SMB2 ] section 2.2 .13
*/
# define CD_FILE_SUPERSEDE 0x00000000
# define CD_FILE_OPEN 0x00000001
# define CD_FILE_CREATE 0x00000002
# define CD_FILE_OPEN_IF 0x00000003
# define CD_FILE_OVERWRITE 0x00000004
# define CD_FILE_OVERWRITE_IF 0x00000005
/*
* Device I / O Request MajorFunction definitions
*/
# define IRP_MJ_CREATE 0x00000000
# define IRP_MJ_CLOSE 0x00000002
# define IRP_MJ_READ 0x00000003
# define IRP_MJ_WRITE 0x00000004
# define IRP_MJ_DEVICE_CONTROL 0x0000000E
# define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0000000A
# define IRP_MJ_SET_VOLUME_INFORMATION 0x0000000B
# define IRP_MJ_QUERY_INFORMATION 0x00000005
# define IRP_MJ_SET_INFORMATION 0x00000006
# define IRP_MJ_DIRECTORY_CONTROL 0x0000000C
# define IRP_MJ_LOCK_CONTROL 0x00000011
/*
* Device I / O Request MinorFunction definitions
*
* Only valid when MajorFunction code = IRP_MJ_DIRECTORY_CONTROL
*/
# define IRP_MN_QUERY_DIRECTORY 0x00000001
# define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x00000002
/*
* NTSTATUS codes ( used by IoStatus )
*/
# define NT_STATUS_SUCCESS 0x00000000
# define NT_STATUS_UNSUCCESSFUL 0xC0000001
/*
* CompletionID types , used in IRPs to indicate I / O operation
*/
enum
{
CID_CREATE_DIR_REQ = 1 ,
CID_CREATE_OPEN_REQ ,
CID_READ ,
CID_WRITE ,
CID_DIRECTORY_CONTROL ,
CID_CLOSE
} ;
#if 0
# define CID_CLOSE 0x0002
# define CID_READ 0x0003
# define CID_WRITE 0x0004
# define CID_DEVICE_CONTROL 0x0005
# define CID_QUERY_VOLUME_INFORMATION 0x0006
# define CID_SET_VOLUME_INFORMATION 0x0007
# define CID_QUERY_INFORMATION 0x0008
# define CID_SET_INFORMATION 0x0009
# define CID_DIRECTORY_CONTROL 0x000a
# define CID_LOCK_CONTROL 0x000b
# endif
/*
* constants for drive dir query
*/
/* Basic information about a file or directory. Basic information is */
/* defined as the file's name, time stamp, and size, or its attributes */
# define FileDirectoryInformation 0x00000001
/* Full information about a file or directory. Full information is defined */
/* as all the basic information, plus extended attribute size. */
# define FileFullDirectoryInformation 0x00000002
/* Basic information plus extended attribute size and short name */
/* about a file or directory. */
# define FileBothDirectoryInformation 0x00000003
/* Detailed information on the names of files in a directory. */
# define FileNamesInformation 0x0000000C
/*
* NTSTATUS Codes of interest to us
*/
/* No more files were found which match the file specification */
# define STATUS_NO_MORE_FILES 0x80000006
/* Windows file attributes */
# define W_FILE_ATTRIBUTE_DIRECTORY 0x00000010
# define W_FILE_ATTRIBUTE_READONLY 0x00000001
# define WINDOWS_TO_LINUX_FILE_PERM(_a) \
( ( ( _a ) & W_FILE_ATTRIBUTE_DIRECTORY ) ? S_IFDIR | 0100 : S_IFREG ) | \
( ( ( _a ) & W_FILE_ATTRIBUTE_READONLY ) ? 0444 : 0644 )
int APP_CC
dev_redir_init ( void ) ;
int APP_CC
dev_redir_deinit ( void ) ;
int APP_CC
dev_redir_data_in ( struct stream * s , int chan_id , int chan_flags , int length ,
int total_length ) ;
int APP_CC
dev_redir_get_wait_objs ( tbus * objs , int * count , int * timeout ) ;
int APP_CC
dev_redir_check_wait_objs ( void ) ;
/* winodws time starts on Jan 1, 1601 */
/* Linux time starts on Jan 1, 1970 */
# define EPOCH_DIFF 11644473600LL
# define WINDOWS_TO_LINUX_TIME(_t) ((_t) / 10000000) - EPOCH_DIFF;
# endif
Laxmikant Rashinkar
11 years ago