mirror of https://github.com/neutrinolabs/xrdp
123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Laxmikant Rashinkar 2013 LK.Rashinkar@gmail.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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/*
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* manage I/O for redirected file system and devices
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*/
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#ifndef __IRP_H
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#define __IRP_H
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#ifndef _TIME_H_
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#include <time.h>
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#endif
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#include "chansrv_fuse.h"
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/* Opaque data types to us */
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typedef struct xfuse_info XFUSE_INFO;
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enum irp_lookup_state
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{
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E_LOOKUP_GET_FH = 0,
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E_LOOKUP_CHECK_BASIC,
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E_LOOKUP_CHECK_EOF
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} ;
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enum irp_setattr_state
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{
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E_SETATTR_GET_FH = 0,
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E_SETATTR_CHECK_BASIC,
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E_SETATTR_CHECK_EOF
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} ;
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struct irp_lookup
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{
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enum irp_lookup_state state; /* Next state to consider */
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struct file_attr fattr; /* Attributes to get */
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};
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struct irp_setattr
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{
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enum irp_setattr_state state; /* Next state to consider */
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tui32 to_set; /* Bit mask for elements in use */
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struct file_attr fattr; /* Attributes to set */
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};
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struct irp_write
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{
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tui64 offset; /* Offset the write was made at */
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};
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struct irp_create
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{
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int creating_dir; /* We're creating a directory */
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};
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struct irp_rename
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{
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char *new_name; /* New name for file */
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};
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/* An I/O Resource Packet to track I/O calls */
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typedef struct irp IRP;
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struct irp
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{
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tui32 CompletionId; /* unique number */
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tui32 DeviceId; /* identifies remote device */
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tui32 FileId; /* RDP client provided unique number */
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char completion_type; /* describes I/O type */
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char *pathname; /* absolute pathname
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* Allocate with
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* devredir_irp_with_pathname_new() */
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union
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{
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struct irp_lookup lookup; /* Used by lookup */
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struct irp_setattr setattr; /* Used by setattr */
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struct irp_write write; /* Used by write */
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struct irp_create create; /* Used by create */
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struct irp_rename rename; /* Use by rename */
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} gen; /* Additional state data for some ops */
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void *fuse_info; /* Fuse info pointer for FUSE calls */
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IRP *next; /* point to next IRP */
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IRP *prev; /* point to previous IRP */
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int scard_index; /* used to smart card to locate dev */
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void (*callback)(struct stream *s, IRP *irp, tui32 DeviceId,
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tui32 CompletionId, tui32 IoStatus);
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void *user_data;
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};
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IRP *devredir_irp_new(void);
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/* As above, but allocates sufficient space for the specified
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* pathname, and copies it in to the pathname field */
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IRP *devredir_irp_with_pathname_new(const char *pathname);
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/* As above, but specifies a pathname length with pathname
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* initially set to "". Use if you need to modify the pathname
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* significantly */
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IRP *devredir_irp_with_pathnamelen_new(unsigned int pathnamelen);
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int devredir_irp_delete(IRP *irp);
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IRP *devredir_irp_find(tui32 completion_id);
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IRP *devredir_irp_find_by_fileid(tui32 FileId);
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IRP *devredir_irp_get_last(void);
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void devredir_irp_dump(void);
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#endif /* end ifndef __IRP_H */
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