245 lines
6.7 KiB
C
245 lines
6.7 KiB
C
/* Copyright (c) 2010
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* The Regents of the University of Michigan
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* All Rights Reserved
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*
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* Permission is granted to use, copy and redistribute this software
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* for noncommercial education and research purposes, so long as no
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* fee is charged, and so long as the name of the University of Michigan
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* is not used in any advertising or publicity pertaining to the use
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* or distribution of this software without specific, written prior
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* authorization. Permission to modify or otherwise create derivative
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* works of this software is not granted.
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*
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* This software is provided as is, without representation or warranty
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* of any kind either express or implied, including without limitation
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* the implied warranties of merchantability, fitness for a particular
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* purpose, or noninfringement. The Regents of the University of
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* Michigan shall not be liable for any damages, including special,
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* indirect, incidental, or consequential damages, with respect to any
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* claim arising out of or in connection with the use of the software,
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* even if it has been or is hereafter advised of the possibility of
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* such damages.
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*/
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#ifndef __NFS41_DAEMON_UPCALL_H__
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#define __NFS41_DAEMON_UPCALL_H__
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#include "nfs41_ops.h"
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#include "from_kernel.h"
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/* structures for upcall arguments */
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typedef struct __mount_upcall_args {
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const char *hostname;
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const char *path;
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nfs41_root *root;
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} mount_upcall_args;
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typedef struct __unmount_upcall_args {
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nfs41_root *root;
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} unmount_upcall_args;
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typedef struct __open_upcall_args {
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nfs41_abs_path symlink;
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FILE_BASIC_INFO basic_info;
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FILE_STANDARD_INFO std_info;
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const char *path;
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nfs41_root *root;
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nfs41_open_state *state;
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ULONG access_mask;
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ULONG access_mode;
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ULONG file_attrs;
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ULONG disposition;
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ULONG create_opts;
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ULONG open_owner_id;
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DWORD mode;
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LONGLONG changeattr;
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BOOLEAN created;
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BOOLEAN symlink_embedded;
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} open_upcall_args;
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typedef struct __close_upcall_args {
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const char *path;
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nfs41_root *root;
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nfs41_open_state *state;
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BOOLEAN remove;
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BOOLEAN renamed;
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} close_upcall_args;
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typedef struct __readwrite_upcall_args {
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nfs41_root *root;
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nfs41_open_state *state;
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unsigned char *buffer;
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LONGLONG offset;
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ULONG len;
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ULONG out_len;
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} readwrite_upcall_args;
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typedef struct __lock_upcall_args {
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nfs41_open_state *state;
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nfs41_root *root;
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LONGLONG offset;
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LONGLONG length;
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BOOLEAN exclusive;
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BOOLEAN blocking;
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} lock_upcall_args;
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typedef struct __unlock_upcall_args {
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nfs41_open_state *state;
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nfs41_root *root;
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uint32_t count;
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unsigned char *buf;
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uint32_t buf_len;
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} unlock_upcall_args;
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typedef struct __getattr_upcall_args {
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FILE_BASIC_INFO basic_info;
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FILE_STANDARD_INFO std_info;
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FILE_ATTRIBUTE_TAG_INFO tag_info;
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nfs41_root *root;
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nfs41_open_state *state;
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int query_class;
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int buf_len;
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int query_reply_len;
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} getattr_upcall_args;
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typedef struct __setattr_upcall_args {
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const char *path;
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nfs41_root *root;
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nfs41_open_state *state;
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unsigned char *buf;
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uint32_t buf_len;
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int set_class;
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ULONG open_owner_id;
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ULONG access_mask;
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ULONG access_mode;
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} setattr_upcall_args;
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typedef struct __setexattr_upcall_args {
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nfs41_root *root;
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nfs41_open_state *state;
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uint32_t mode;
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} setexattr_upcall_args;
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typedef struct __readdir_upcall_args {
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const char *filter;
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nfs41_root *root;
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nfs41_open_state *state;
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unsigned char *buf;
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int buf_len;
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int query_class;
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int query_reply_len;
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BOOLEAN initial;
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BOOLEAN restart;
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BOOLEAN single;
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} readdir_upcall_args;
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typedef struct __symlink_upcall_args {
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nfs41_abs_path target_get;
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char *target_set;
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nfs41_root *root;
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nfs41_open_state *state;
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const char *path;
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BOOLEAN set;
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} symlink_upcall_args;
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typedef struct __volume_upcall_args {
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nfs41_root *root;
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FS_INFORMATION_CLASS query;
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int len;
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union {
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FILE_FS_SIZE_INFORMATION size;
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FILE_FS_FULL_SIZE_INFORMATION fullsize;
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FILE_FS_ATTRIBUTE_INFORMATION attribute;
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} info;
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} volume_upcall_args;
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typedef union __upcall_args {
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mount_upcall_args mount;
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unmount_upcall_args unmount;
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open_upcall_args open;
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close_upcall_args close;
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readwrite_upcall_args rw;
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lock_upcall_args lock;
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unlock_upcall_args unlock;
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getattr_upcall_args getattr;
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setattr_upcall_args setattr;
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setexattr_upcall_args setexattr;
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readdir_upcall_args readdir;
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symlink_upcall_args symlink;
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volume_upcall_args volume;
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} upcall_args;
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typedef struct __nfs41_upcall {
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uint32_t xid;
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uint32_t opcode;
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uint32_t status;
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uint32_t last_error;
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upcall_args args;
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uid_t uid;
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gid_t gid;
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/* store referenced pointers with the upcall for
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* automatic dereferencing on upcall_cleanup();
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* see upcall_root_ref() and upcall_open_state_ref() */
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nfs41_root *root_ref;
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nfs41_open_state *state_ref;
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} nfs41_upcall;
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/* upcall operation interface */
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typedef int (*upcall_parse_proc)(unsigned char*, uint32_t, nfs41_upcall*);
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typedef int (*upcall_handle_proc)(nfs41_upcall*);
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typedef int (*upcall_marshall_proc)(unsigned char*, uint32_t*, nfs41_upcall*);
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typedef void (*upcall_cancel_proc)(nfs41_upcall*);
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typedef void (*upcall_cleanup_proc)(nfs41_upcall*);
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typedef struct __nfs41_upcall_op {
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upcall_parse_proc parse;
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upcall_handle_proc handle;
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upcall_marshall_proc marshall;
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upcall_cancel_proc cancel;
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upcall_cleanup_proc cleanup;
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} nfs41_upcall_op;
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/* upcall.c */
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int upcall_parse(
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IN unsigned char *buffer,
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IN uint32_t length,
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OUT nfs41_upcall *upcall);
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int upcall_handle(
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IN nfs41_upcall *upcall);
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void upcall_marshall(
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IN nfs41_upcall *upcall,
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OUT unsigned char *buffer,
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IN uint32_t length,
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OUT uint32_t *length_out);
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void upcall_cancel(
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IN nfs41_upcall *upcall);
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void upcall_cleanup(
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IN nfs41_upcall *upcall);
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static __inline void upcall_root_ref(
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IN nfs41_upcall *upcall,
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IN nfs41_root *root)
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{
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nfs41_root_ref(root);
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upcall->root_ref = root;
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}
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static __inline void upcall_open_state_ref(
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IN nfs41_upcall *upcall,
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IN nfs41_open_state *state)
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{
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nfs41_open_state_ref(state);
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upcall->state_ref = state;
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}
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#endif /* !__NFS41_DAEMON_UPCALL_H__ */
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