/** * xrdp: A Remote Desktop Protocol server. * * 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. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #if !defined(DEVREDIR_H) #define DEVREDIR_H #include #include #include #include #include #include #include #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) /* 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