8974bc2f3a
server is broken and the major file systems are now all mpsafe, modify the server so that it will only export mpsafe file systems. This was discussed on freebsd-fs@ and removes a fair bit of crufty code. MFC after: 12 days
948 lines
37 KiB
C
948 lines
37 KiB
C
/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Socket operations for use by the nfs server.
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*/
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#ifndef APPLEKEXT
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#include <fs/nfs/nfsport.h>
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extern struct nfsstats newnfsstats;
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extern struct nfsrvfh nfs_pubfh, nfs_rootfh;
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extern int nfs_pubfhset, nfs_rootfhset;
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extern struct nfsv4lock nfsv4rootfs_lock;
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extern struct nfsrv_stablefirst nfsrv_stablefirst;
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extern struct nfsclienthashhead nfsclienthash[NFSCLIENTHASHSIZE];
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extern int nfsrc_floodlevel, nfsrc_tcpsavedreplies;
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NFSV4ROOTLOCKMUTEX;
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NFSSTATESPINLOCK;
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int (*nfsrv3_procs0[NFS_V3NPROCS])(struct nfsrv_descript *,
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int, vnode_t , NFSPROC_T *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_getattr,
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nfsrvd_setattr,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_access,
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nfsrvd_readlink,
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nfsrvd_read,
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nfsrvd_write,
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nfsrvd_create,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_remove,
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nfsrvd_remove,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_readdir,
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nfsrvd_readdirplus,
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nfsrvd_statfs,
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nfsrvd_fsinfo,
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nfsrvd_pathconf,
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nfsrvd_commit,
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};
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int (*nfsrv3_procs1[NFS_V3NPROCS])(struct nfsrv_descript *,
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int, vnode_t , vnode_t *, fhandle_t *,
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NFSPROC_T *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_lookup,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_mkdir,
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nfsrvd_symlink,
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nfsrvd_mknod,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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};
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int (*nfsrv3_procs2[NFS_V3NPROCS])(struct nfsrv_descript *,
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int, vnode_t , vnode_t , NFSPROC_T *,
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struct nfsexstuff *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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nfsrvd_rename,
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nfsrvd_link,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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};
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int (*nfsrv4_ops0[NFSV4OP_NOPS])(struct nfsrv_descript *,
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int, vnode_t , NFSPROC_T *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_access,
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nfsrvd_close,
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nfsrvd_commit,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_delegpurge,
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nfsrvd_delegreturn,
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nfsrvd_getattr,
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nfsrvd_getfh,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_lock,
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nfsrvd_lockt,
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nfsrvd_locku,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_verify,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_openconfirm,
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nfsrvd_opendowngrade,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_read,
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nfsrvd_readdirplus,
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nfsrvd_readlink,
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nfsrvd_remove,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_renew,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_secinfo,
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nfsrvd_setattr,
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nfsrvd_setclientid,
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nfsrvd_setclientidcfrm,
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nfsrvd_verify,
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nfsrvd_write,
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nfsrvd_releaselckown,
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};
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int (*nfsrv4_ops1[NFSV4OP_NOPS])(struct nfsrv_descript *,
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int, vnode_t , vnode_t *, fhandle_t *,
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NFSPROC_T *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_mknod,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_lookup,
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nfsrvd_lookup,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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nfsrvd_open,
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nfsrvd_openattr,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t *, fhandle_t *, NFSPROC_T *, struct nfsexstuff *))0,
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};
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int (*nfsrv4_ops2[NFSV4OP_NOPS])(struct nfsrv_descript *,
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int, vnode_t , vnode_t , NFSPROC_T *,
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struct nfsexstuff *, struct nfsexstuff *) = {
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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nfsrvd_link,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
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(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
nfsrvd_rename,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
(int (*)(struct nfsrv_descript *, int, vnode_t , vnode_t , NFSPROC_T *, struct nfsexstuff *, struct nfsexstuff *))0,
|
|
};
|
|
#endif /* !APPLEKEXT */
|
|
|
|
/*
|
|
* Static array that defines which nfs rpc's are nonidempotent
|
|
*/
|
|
static int nfsrv_nonidempotent[NFS_V3NPROCS] = {
|
|
FALSE,
|
|
FALSE,
|
|
TRUE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
FALSE,
|
|
};
|
|
|
|
/*
|
|
* This static array indicates whether or not the RPC modifies the
|
|
* file system.
|
|
*/
|
|
static int nfs_writerpc[NFS_NPROCS] = { 0, 0, 1, 0, 0, 0, 0,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
|
|
|
|
/* local functions */
|
|
static void nfsrvd_compound(struct nfsrv_descript *nd, int isdgram,
|
|
NFSPROC_T *p);
|
|
|
|
|
|
/*
|
|
* This static array indicates which server procedures require the extra
|
|
* arguments to return the current file handle for V2, 3.
|
|
*/
|
|
static int nfs_retfh[NFS_V3NPROCS] = { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1,
|
|
1, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0 };
|
|
|
|
extern struct nfsv4_opflag nfsv4_opflag[NFSV4OP_NOPS];
|
|
|
|
static int nfsv3to4op[NFS_V3NPROCS] = {
|
|
NFSPROC_NULL,
|
|
NFSV4OP_GETATTR,
|
|
NFSV4OP_SETATTR,
|
|
NFSV4OP_LOOKUP,
|
|
NFSV4OP_ACCESS,
|
|
NFSV4OP_READLINK,
|
|
NFSV4OP_READ,
|
|
NFSV4OP_WRITE,
|
|
NFSV4OP_V3CREATE,
|
|
NFSV4OP_MKDIR,
|
|
NFSV4OP_SYMLINK,
|
|
NFSV4OP_MKNOD,
|
|
NFSV4OP_REMOVE,
|
|
NFSV4OP_RMDIR,
|
|
NFSV4OP_RENAME,
|
|
NFSV4OP_LINK,
|
|
NFSV4OP_READDIR,
|
|
NFSV4OP_READDIRPLUS,
|
|
NFSV4OP_FSSTAT,
|
|
NFSV4OP_FSINFO,
|
|
NFSV4OP_PATHCONF,
|
|
NFSV4OP_COMMIT,
|
|
};
|
|
|
|
/*
|
|
* Do an RPC. Basically, get the file handles translated to vnode pointers
|
|
* and then call the appropriate server routine. The server routines are
|
|
* split into groups, based on whether they use a file handle or file
|
|
* handle plus name or ...
|
|
* The NFS V4 Compound RPC is performed separately by nfsrvd_compound().
|
|
*/
|
|
APPLESTATIC void
|
|
nfsrvd_dorpc(struct nfsrv_descript *nd, int isdgram,
|
|
NFSPROC_T *p)
|
|
{
|
|
int error = 0, lktype;
|
|
vnode_t vp;
|
|
mount_t mp = NULL;
|
|
struct nfsrvfh fh;
|
|
struct nfsexstuff nes;
|
|
|
|
/*
|
|
* Get a locked vnode for the first file handle
|
|
*/
|
|
if (!(nd->nd_flag & ND_NFSV4)) {
|
|
KASSERT(nd->nd_repstat == 0, ("nfsrvd_dorpc"));
|
|
/*
|
|
* For NFSv3, if the malloc/mget allocation is near limits,
|
|
* return NFSERR_DELAY.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV3) && nfsrv_mallocmget_limit()) {
|
|
nd->nd_repstat = NFSERR_DELAY;
|
|
vp = NULL;
|
|
} else {
|
|
error = nfsrv_mtofh(nd, &fh);
|
|
if (error) {
|
|
if (error != EBADRPC)
|
|
printf("nfs dorpc err1=%d\n", error);
|
|
nd->nd_repstat = NFSERR_GARBAGE;
|
|
return;
|
|
}
|
|
if (nd->nd_procnum == NFSPROC_READ ||
|
|
nd->nd_procnum == NFSPROC_READDIR ||
|
|
nd->nd_procnum == NFSPROC_READLINK ||
|
|
nd->nd_procnum == NFSPROC_GETATTR ||
|
|
nd->nd_procnum == NFSPROC_ACCESS)
|
|
lktype = LK_SHARED;
|
|
else
|
|
lktype = LK_EXCLUSIVE;
|
|
if (nd->nd_flag & ND_PUBLOOKUP)
|
|
nfsd_fhtovp(nd, &nfs_pubfh, lktype, &vp, &nes,
|
|
&mp, nfs_writerpc[nd->nd_procnum], p);
|
|
else
|
|
nfsd_fhtovp(nd, &fh, lktype, &vp, &nes,
|
|
&mp, nfs_writerpc[nd->nd_procnum], p);
|
|
if (nd->nd_repstat == NFSERR_PROGNOTV4)
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* For V2 and 3, set the ND_SAVEREPLY flag for the recent request
|
|
* cache, as required.
|
|
* For V4, nfsrvd_compound() does this.
|
|
*/
|
|
if (!(nd->nd_flag & ND_NFSV4) && nfsrv_nonidempotent[nd->nd_procnum])
|
|
nd->nd_flag |= ND_SAVEREPLY;
|
|
|
|
nfsrvd_rephead(nd);
|
|
/*
|
|
* If nd_repstat is non-zero, just fill in the reply status
|
|
* to complete the RPC reply for V2. Otherwise, you must do
|
|
* the RPC.
|
|
*/
|
|
if (nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {
|
|
*nd->nd_errp = nfsd_errmap(nd);
|
|
NFSINCRGLOBAL(newnfsstats.srvrpccnt[nfsv3to4op[nd->nd_procnum]]);
|
|
if (mp != NULL && nfs_writerpc[nd->nd_procnum] != 0)
|
|
vn_finished_write(mp);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Now the procedure can be performed. For V4, nfsrvd_compound()
|
|
* works through the sub-rpcs, otherwise just call the procedure.
|
|
* The procedures are in three groups with different arguments.
|
|
* The group is indicated by the value in nfs_retfh[].
|
|
*/
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
nfsrvd_compound(nd, isdgram, p);
|
|
} else {
|
|
if (nfs_retfh[nd->nd_procnum] == 1) {
|
|
if (vp)
|
|
NFSVOPUNLOCK(vp, 0, p);
|
|
error = (*(nfsrv3_procs1[nd->nd_procnum]))(nd, isdgram,
|
|
vp, NULL, (fhandle_t *)fh.nfsrvfh_data, p, &nes);
|
|
} else if (nfs_retfh[nd->nd_procnum] == 2) {
|
|
error = (*(nfsrv3_procs2[nd->nd_procnum]))(nd, isdgram,
|
|
vp, NULL, p, &nes, NULL);
|
|
} else {
|
|
error = (*(nfsrv3_procs0[nd->nd_procnum]))(nd, isdgram,
|
|
vp, p, &nes);
|
|
}
|
|
if (mp != NULL && nfs_writerpc[nd->nd_procnum] != 0)
|
|
vn_finished_write(mp);
|
|
NFSINCRGLOBAL(newnfsstats.srvrpccnt[nfsv3to4op[nd->nd_procnum]]);
|
|
}
|
|
if (error) {
|
|
if (error != EBADRPC)
|
|
printf("nfs dorpc err2=%d\n", error);
|
|
nd->nd_repstat = NFSERR_GARBAGE;
|
|
}
|
|
*nd->nd_errp = nfsd_errmap(nd);
|
|
|
|
/*
|
|
* Don't cache certain reply status values.
|
|
*/
|
|
if (nd->nd_repstat && (nd->nd_flag & ND_SAVEREPLY) &&
|
|
(nd->nd_repstat == NFSERR_GARBAGE ||
|
|
nd->nd_repstat == NFSERR_BADXDR ||
|
|
nd->nd_repstat == NFSERR_MOVED ||
|
|
nd->nd_repstat == NFSERR_DELAY ||
|
|
nd->nd_repstat == NFSERR_BADSEQID ||
|
|
nd->nd_repstat == NFSERR_RESOURCE ||
|
|
nd->nd_repstat == NFSERR_SERVERFAULT ||
|
|
nd->nd_repstat == NFSERR_STALECLIENTID ||
|
|
nd->nd_repstat == NFSERR_STALESTATEID ||
|
|
nd->nd_repstat == NFSERR_OLDSTATEID ||
|
|
nd->nd_repstat == NFSERR_BADSTATEID ||
|
|
nd->nd_repstat == NFSERR_GRACE ||
|
|
nd->nd_repstat == NFSERR_NOGRACE))
|
|
nd->nd_flag &= ~ND_SAVEREPLY;
|
|
}
|
|
|
|
/*
|
|
* Breaks down a compound RPC request and calls the server routines for
|
|
* the subprocedures.
|
|
* Some suboperations are performed directly here to simplify file handle<-->
|
|
* vnode pointer handling.
|
|
*/
|
|
static void
|
|
nfsrvd_compound(struct nfsrv_descript *nd, int isdgram,
|
|
NFSPROC_T *p)
|
|
{
|
|
int i, op;
|
|
u_int32_t *tl;
|
|
struct nfsclient *clp, *nclp;
|
|
int numops, taglen = -1, error = 0, igotlock;
|
|
u_int32_t minorvers, retops = 0, *retopsp = NULL, *repp;
|
|
u_char tag[NFSV4_SMALLSTR + 1], *tagstr;
|
|
vnode_t vp, nvp, savevp;
|
|
struct nfsrvfh fh;
|
|
mount_t new_mp, temp_mp = NULL;
|
|
struct ucred *credanon;
|
|
struct nfsexstuff nes, vpnes, savevpnes;
|
|
fsid_t cur_fsid, save_fsid;
|
|
static u_int64_t compref = 0;
|
|
|
|
NFSVNO_EXINIT(&vpnes);
|
|
NFSVNO_EXINIT(&savevpnes);
|
|
/*
|
|
* Put the seq# of the current compound RPC in nfsrv_descript.
|
|
* (This is used by nfsrv_checkgetattr(), to see if the write
|
|
* delegation was created by the same compound RPC as the one
|
|
* with that Getattr in it.)
|
|
* Don't worry about the 64bit number wrapping around. It ain't
|
|
* gonna happen before this server gets shut down/rebooted.
|
|
*/
|
|
nd->nd_compref = compref++;
|
|
|
|
/*
|
|
* Check for and optionally get a lock on the root. This lock means that
|
|
* no nfsd will be fiddling with the V4 file system and state stuff. It
|
|
* is required when the V4 root is being changed, the stable storage
|
|
* restart file is being updated, or callbacks are being done.
|
|
* When any of the nfsd are processing an NFSv4 compound RPC, they must
|
|
* either hold a reference count (nfs_usecnt) or the lock. When
|
|
* nfsrv_unlock() is called to release the lock, it can optionally
|
|
* also get a reference count, which saves the need for a call to
|
|
* nfsrv_getref() after nfsrv_unlock().
|
|
*/
|
|
/*
|
|
* First, check to see if we need to wait for an update lock.
|
|
*/
|
|
igotlock = 0;
|
|
NFSLOCKV4ROOTMUTEX();
|
|
if (nfsrv_stablefirst.nsf_flags & NFSNSF_NEEDLOCK)
|
|
igotlock = nfsv4_lock(&nfsv4rootfs_lock, 1, NULL,
|
|
NFSV4ROOTLOCKMUTEXPTR);
|
|
else
|
|
igotlock = nfsv4_lock(&nfsv4rootfs_lock, 0, NULL,
|
|
NFSV4ROOTLOCKMUTEXPTR);
|
|
NFSUNLOCKV4ROOTMUTEX();
|
|
if (igotlock) {
|
|
/*
|
|
* If I got the lock, I can update the stable storage file.
|
|
* Done when the grace period is over or a client has long
|
|
* since expired.
|
|
*/
|
|
nfsrv_stablefirst.nsf_flags &= ~NFSNSF_NEEDLOCK;
|
|
if ((nfsrv_stablefirst.nsf_flags &
|
|
(NFSNSF_GRACEOVER | NFSNSF_UPDATEDONE)) == NFSNSF_GRACEOVER)
|
|
nfsrv_updatestable(p);
|
|
|
|
/*
|
|
* If at least one client has long since expired, search
|
|
* the client list for them, write a REVOKE record on the
|
|
* stable storage file and then remove them from the client
|
|
* list.
|
|
*/
|
|
if (nfsrv_stablefirst.nsf_flags & NFSNSF_EXPIREDCLIENT) {
|
|
nfsrv_stablefirst.nsf_flags &= ~NFSNSF_EXPIREDCLIENT;
|
|
for (i = 0; i < NFSCLIENTHASHSIZE; i++) {
|
|
LIST_FOREACH_SAFE(clp, &nfsclienthash[i], lc_hash,
|
|
nclp) {
|
|
if (clp->lc_flags & LCL_EXPIREIT) {
|
|
if (!LIST_EMPTY(&clp->lc_open) ||
|
|
!LIST_EMPTY(&clp->lc_deleg))
|
|
nfsrv_writestable(clp->lc_id,
|
|
clp->lc_idlen, NFSNST_REVOKE, p);
|
|
nfsrv_cleanclient(clp, p);
|
|
nfsrv_freedeleglist(&clp->lc_deleg);
|
|
nfsrv_freedeleglist(&clp->lc_olddeleg);
|
|
LIST_REMOVE(clp, lc_hash);
|
|
nfsrv_zapclient(clp, p);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
NFSLOCKV4ROOTMUTEX();
|
|
nfsv4_unlock(&nfsv4rootfs_lock, 1);
|
|
NFSUNLOCKV4ROOTMUTEX();
|
|
} else {
|
|
/*
|
|
* If we didn't get the lock, we need to get a refcnt,
|
|
* which also checks for and waits for the lock.
|
|
*/
|
|
NFSLOCKV4ROOTMUTEX();
|
|
nfsv4_getref(&nfsv4rootfs_lock, NULL,
|
|
NFSV4ROOTLOCKMUTEXPTR);
|
|
NFSUNLOCKV4ROOTMUTEX();
|
|
}
|
|
|
|
/*
|
|
* If flagged, search for open owners that haven't had any opens
|
|
* for a long time.
|
|
*/
|
|
if (nfsrv_stablefirst.nsf_flags & NFSNSF_NOOPENS) {
|
|
nfsrv_throwawayopens(p);
|
|
}
|
|
|
|
savevp = vp = NULL;
|
|
save_fsid.val[0] = save_fsid.val[1] = 0;
|
|
cur_fsid.val[0] = cur_fsid.val[1] = 0;
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
taglen = fxdr_unsigned(int, *tl);
|
|
if (taglen < 0) {
|
|
error = EBADRPC;
|
|
goto nfsmout;
|
|
}
|
|
if (taglen <= NFSV4_SMALLSTR)
|
|
tagstr = tag;
|
|
else
|
|
tagstr = malloc(taglen + 1, M_TEMP, M_WAITOK);
|
|
error = nfsrv_mtostr(nd, tagstr, taglen);
|
|
if (error) {
|
|
if (taglen > NFSV4_SMALLSTR)
|
|
free(tagstr, M_TEMP);
|
|
taglen = -1;
|
|
goto nfsmout;
|
|
}
|
|
(void) nfsm_strtom(nd, tag, taglen);
|
|
if (taglen > NFSV4_SMALLSTR) {
|
|
free(tagstr, M_TEMP);
|
|
}
|
|
NFSM_BUILD(retopsp, u_int32_t *, NFSX_UNSIGNED);
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
minorvers = fxdr_unsigned(u_int32_t, *tl++);
|
|
if (minorvers != NFSV4_MINORVERSION)
|
|
nd->nd_repstat = NFSERR_MINORVERMISMATCH;
|
|
if (nd->nd_repstat)
|
|
numops = 0;
|
|
else
|
|
numops = fxdr_unsigned(int, *tl);
|
|
/*
|
|
* Loop around doing the sub ops.
|
|
* vp - is an unlocked vnode pointer for the CFH
|
|
* savevp - is an unlocked vnode pointer for the SAVEDFH
|
|
* (at some future date, it might turn out to be more appropriate
|
|
* to keep the file handles instead of vnode pointers?)
|
|
* savevpnes and vpnes - are the export flags for the above.
|
|
*/
|
|
for (i = 0; i < numops; i++) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
NFSM_BUILD(repp, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*repp = *tl;
|
|
op = fxdr_unsigned(int, *tl);
|
|
if (op < NFSV4OP_ACCESS || op >= NFSV4OP_NOPS) {
|
|
nd->nd_repstat = NFSERR_OPILLEGAL;
|
|
*repp++ = txdr_unsigned(NFSV4OP_OPILLEGAL);
|
|
*repp = nfsd_errmap(nd);
|
|
retops++;
|
|
break;
|
|
} else {
|
|
repp++;
|
|
}
|
|
|
|
/*
|
|
* Check for a referral on the current FH and, if so, return
|
|
* NFSERR_MOVED for all ops that allow it, except Getattr.
|
|
*/
|
|
if (vp != NULL && op != NFSV4OP_GETATTR &&
|
|
nfsv4root_getreferral(vp, NULL, 0) != NULL &&
|
|
nfsrv_errmoved(op)) {
|
|
nd->nd_repstat = NFSERR_MOVED;
|
|
*repp = nfsd_errmap(nd);
|
|
retops++;
|
|
break;
|
|
}
|
|
|
|
nd->nd_procnum = op;
|
|
/*
|
|
* If over flood level, reply NFSERR_RESOURCE, if at the first
|
|
* Op. (Since a client recovery from NFSERR_RESOURCE can get
|
|
* really nasty for certain Op sequences, I'll play it safe
|
|
* and only return the error at the beginning.) The cache
|
|
* will still function over flood level, but uses lots of
|
|
* mbufs.)
|
|
* If nfsrv_mallocmget_limit() returns True, the system is near
|
|
* to its limit for memory that malloc()/mget() can allocate.
|
|
*/
|
|
if (i == 0 && nd->nd_rp->rc_refcnt == 0 &&
|
|
(nfsrv_mallocmget_limit() ||
|
|
nfsrc_tcpsavedreplies > nfsrc_floodlevel)) {
|
|
if (nfsrc_tcpsavedreplies > nfsrc_floodlevel) {
|
|
printf("nfsd server cache flooded, try to");
|
|
printf(" increase nfsrc_floodlevel\n");
|
|
}
|
|
nd->nd_repstat = NFSERR_RESOURCE;
|
|
*repp = nfsd_errmap(nd);
|
|
if (op == NFSV4OP_SETATTR) {
|
|
/*
|
|
* Setattr replies require a bitmap.
|
|
* even for errors like these.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = 0;
|
|
}
|
|
retops++;
|
|
break;
|
|
}
|
|
if (nfsv4_opflag[op].savereply)
|
|
nd->nd_flag |= ND_SAVEREPLY;
|
|
NFSINCRGLOBAL(newnfsstats.srvrpccnt[nd->nd_procnum]);
|
|
switch (op) {
|
|
case NFSV4OP_PUTFH:
|
|
error = nfsrv_mtofh(nd, &fh);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (!nd->nd_repstat)
|
|
nfsd_fhtovp(nd, &fh, LK_SHARED, &nvp, &nes,
|
|
NULL, 0, p);
|
|
/* For now, allow this for non-export FHs */
|
|
if (!nd->nd_repstat) {
|
|
if (vp)
|
|
vrele(vp);
|
|
vp = nvp;
|
|
cur_fsid = vp->v_mount->mnt_stat.f_fsid;
|
|
VOP_UNLOCK(vp, 0);
|
|
vpnes = nes;
|
|
}
|
|
break;
|
|
case NFSV4OP_PUTPUBFH:
|
|
if (nfs_pubfhset)
|
|
nfsd_fhtovp(nd, &nfs_pubfh, LK_SHARED, &nvp,
|
|
&nes, NULL, 0, p);
|
|
else
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
if (!nd->nd_repstat) {
|
|
if (vp)
|
|
vrele(vp);
|
|
vp = nvp;
|
|
cur_fsid = vp->v_mount->mnt_stat.f_fsid;
|
|
VOP_UNLOCK(vp, 0);
|
|
vpnes = nes;
|
|
}
|
|
break;
|
|
case NFSV4OP_PUTROOTFH:
|
|
if (nfs_rootfhset) {
|
|
nfsd_fhtovp(nd, &nfs_rootfh, LK_SHARED, &nvp,
|
|
&nes, NULL, 0, p);
|
|
if (!nd->nd_repstat) {
|
|
if (vp)
|
|
vrele(vp);
|
|
vp = nvp;
|
|
cur_fsid = vp->v_mount->mnt_stat.f_fsid;
|
|
VOP_UNLOCK(vp, 0);
|
|
vpnes = nes;
|
|
}
|
|
} else
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
break;
|
|
case NFSV4OP_SAVEFH:
|
|
if (vp && NFSVNO_EXPORTED(&vpnes)) {
|
|
nd->nd_repstat = 0;
|
|
/* If vp == savevp, a no-op */
|
|
if (vp != savevp) {
|
|
if (savevp)
|
|
vrele(savevp);
|
|
VREF(vp);
|
|
savevp = vp;
|
|
savevpnes = vpnes;
|
|
save_fsid = cur_fsid;
|
|
}
|
|
} else {
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
}
|
|
break;
|
|
case NFSV4OP_RESTOREFH:
|
|
if (savevp) {
|
|
nd->nd_repstat = 0;
|
|
/* If vp == savevp, a no-op */
|
|
if (vp != savevp) {
|
|
VREF(savevp);
|
|
vrele(vp);
|
|
vp = savevp;
|
|
vpnes = savevpnes;
|
|
cur_fsid = save_fsid;
|
|
}
|
|
} else {
|
|
nd->nd_repstat = NFSERR_RESTOREFH;
|
|
}
|
|
break;
|
|
default:
|
|
/*
|
|
* Allow a Lookup, Getattr, GetFH, Secinfo on an
|
|
* non-exported directory if
|
|
* nfs_rootfhset. Do I need to allow any other Ops?
|
|
* (You can only have a non-exported vpnes if
|
|
* nfs_rootfhset is true. See nfsd_fhtovp())
|
|
* Allow AUTH_SYS to be used for file systems
|
|
* exported GSS only for certain Ops, to allow
|
|
* clients to do mounts more easily.
|
|
*/
|
|
if (nfsv4_opflag[op].needscfh && vp) {
|
|
if (!NFSVNO_EXPORTED(&vpnes) &&
|
|
op != NFSV4OP_LOOKUP &&
|
|
op != NFSV4OP_GETATTR &&
|
|
op != NFSV4OP_GETFH &&
|
|
op != NFSV4OP_SECINFO)
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
else if (nfsvno_testexp(nd, &vpnes) &&
|
|
op != NFSV4OP_LOOKUP &&
|
|
op != NFSV4OP_GETFH &&
|
|
op != NFSV4OP_GETATTR &&
|
|
op != NFSV4OP_SECINFO)
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
if (nd->nd_repstat) {
|
|
if (op == NFSV4OP_SETATTR) {
|
|
/*
|
|
* Setattr reply requires a bitmap
|
|
* even for errors like these.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *,
|
|
NFSX_UNSIGNED);
|
|
*tl = 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (nfsv4_opflag[op].retfh == 1) {
|
|
if (!vp) {
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
break;
|
|
}
|
|
VREF(vp);
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_start_write(vp, &temp_mp, V_WAIT);
|
|
error = (*(nfsrv4_ops1[op]))(nd, isdgram, vp,
|
|
&nvp, (fhandle_t *)fh.nfsrvfh_data, p, &vpnes);
|
|
if (!error && !nd->nd_repstat) {
|
|
if (op == NFSV4OP_LOOKUP || op == NFSV4OP_LOOKUPP) {
|
|
new_mp = nvp->v_mount;
|
|
if (cur_fsid.val[0] !=
|
|
new_mp->mnt_stat.f_fsid.val[0] ||
|
|
cur_fsid.val[1] !=
|
|
new_mp->mnt_stat.f_fsid.val[1]) {
|
|
/* crossed a server mount point */
|
|
nd->nd_repstat = nfsvno_checkexp(new_mp,
|
|
nd->nd_nam, &nes, &credanon);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsd_excred(nd,
|
|
&nes, credanon);
|
|
if (credanon != NULL)
|
|
crfree(credanon);
|
|
if (!nd->nd_repstat) {
|
|
vpnes = nes;
|
|
cur_fsid = new_mp->mnt_stat.f_fsid;
|
|
}
|
|
}
|
|
/* Lookup ops return a locked vnode */
|
|
VOP_UNLOCK(nvp, 0);
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
vrele(vp);
|
|
vp = nvp;
|
|
} else
|
|
vrele(nvp);
|
|
}
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_finished_write(temp_mp);
|
|
} else if (nfsv4_opflag[op].retfh == 2) {
|
|
if (vp == NULL || savevp == NULL) {
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
break;
|
|
} else if (cur_fsid.val[0] != save_fsid.val[0] ||
|
|
cur_fsid.val[1] != save_fsid.val[1]) {
|
|
nd->nd_repstat = NFSERR_XDEV;
|
|
break;
|
|
}
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_start_write(savevp, &temp_mp, V_WAIT);
|
|
if (vn_lock(savevp, LK_EXCLUSIVE) == 0) {
|
|
VREF(vp);
|
|
VREF(savevp);
|
|
error = (*(nfsrv4_ops2[op]))(nd, isdgram,
|
|
savevp, vp, p, &savevpnes, &vpnes);
|
|
} else
|
|
nd->nd_repstat = NFSERR_PERM;
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_finished_write(temp_mp);
|
|
} else {
|
|
if (nfsv4_opflag[op].retfh != 0)
|
|
panic("nfsrvd_compound");
|
|
if (nfsv4_opflag[op].needscfh) {
|
|
if (vp != NULL) {
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_start_write(vp, &temp_mp,
|
|
V_WAIT);
|
|
if (vn_lock(vp, nfsv4_opflag[op].lktype)
|
|
== 0)
|
|
VREF(vp);
|
|
else
|
|
nd->nd_repstat = NFSERR_PERM;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_NOFILEHANDLE;
|
|
if (op == NFSV4OP_SETATTR) {
|
|
/*
|
|
* Setattr reply requires a
|
|
* bitmap even for errors like
|
|
* these.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *,
|
|
NFSX_UNSIGNED);
|
|
*tl = 0;
|
|
}
|
|
break;
|
|
}
|
|
if (nd->nd_repstat == 0)
|
|
error = (*(nfsrv4_ops0[op]))(nd,
|
|
isdgram, vp, p, &vpnes);
|
|
if (nfsv4_opflag[op].modifyfs)
|
|
vn_finished_write(temp_mp);
|
|
} else {
|
|
error = (*(nfsrv4_ops0[op]))(nd, isdgram,
|
|
NULL, p, &vpnes);
|
|
}
|
|
}
|
|
};
|
|
if (error) {
|
|
if (error == EBADRPC || error == NFSERR_BADXDR) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
} else {
|
|
nd->nd_repstat = error;
|
|
printf("nfsv4 comperr0=%d\n", error);
|
|
}
|
|
error = 0;
|
|
}
|
|
retops++;
|
|
if (nd->nd_repstat) {
|
|
*repp = nfsd_errmap(nd);
|
|
break;
|
|
} else {
|
|
*repp = 0; /* NFS4_OK */
|
|
}
|
|
}
|
|
nfsmout:
|
|
if (error) {
|
|
if (error == EBADRPC || error == NFSERR_BADXDR)
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
else
|
|
printf("nfsv4 comperr1=%d\n", error);
|
|
}
|
|
if (taglen == -1) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = 0;
|
|
*tl = 0;
|
|
} else {
|
|
*retopsp = txdr_unsigned(retops);
|
|
}
|
|
if (vp)
|
|
vrele(vp);
|
|
if (savevp)
|
|
vrele(savevp);
|
|
NFSLOCKV4ROOTMUTEX();
|
|
nfsv4_relref(&nfsv4rootfs_lock);
|
|
NFSUNLOCKV4ROOTMUTEX();
|
|
}
|