870 lines
28 KiB
C
870 lines
28 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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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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* 3. 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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#ifndef _NFS_NFS_H_
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#define _NFS_NFS_H_
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/*
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* Tunable constants for nfs
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*/
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#define NFS_MAXIOVEC 34
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#define NFS_TICKINTVL 500 /* Desired time for a tick (msec) */
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#define NFS_HZ (hz / nfscl_ticks) /* Ticks/sec */
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#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
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#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
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#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
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#define NFS_TCPTIMEO 300 /* TCP timeout */
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#define NFS_MAXRCVTIMEO 60 /* 1 minute in seconds */
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#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
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#define NFS_MAXREXMIT 100 /* Stop counting after this many */
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#define NFSV4_CALLBACKTIMEO 800 /* Timeout in msec */
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#define NFSV4_CALLBACKRETRY 5 /* Number of retries before failure */
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#define NFSV4_SLOTS 64 /* Number of slots, fore channel */
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#define NFSV4_CBSLOTS 8 /* Number of slots, back channel */
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#define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
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#define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
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/* to gssd or nfsuserd */
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#define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
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#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
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#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
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#define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */
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#define NFS_MAXGRPS 16 /* Max. size of groups list */
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#define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
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#ifndef NFS_REMOVETIMEO
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#define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
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#endif
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#ifndef NFS_MINATTRTIMO
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#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
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#endif
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#ifndef NFS_MAXATTRTIMO
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#define NFS_MAXATTRTIMO 60
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#endif
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#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
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#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
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#define NFS_READDIRSIZE 8192 /* Def. readdir size */
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#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
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#define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */
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#define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */
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#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
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#ifndef NFSRV_LEASE
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#define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
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#endif /* assigned to nfsrv_lease */
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#ifndef NFSRV_STALELEASE
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#define NFSRV_STALELEASE (5 * nfsrv_lease)
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#endif
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#ifndef NFSRV_MOULDYLEASE
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#define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
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#endif
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#ifndef NFSCLIENTHASHSIZE
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#define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
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#endif
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#ifndef NFSLOCKHASHSIZE
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#define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
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#endif
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#ifndef NFSSESSIONHASHSIZE
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#define NFSSESSIONHASHSIZE 20 /* Size of server session hash table */
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#endif
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#define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
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#define NFSLAYOUTHIGHWATER 1000000 /* Upper limit for # of layouts */
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#ifndef NFSCLDELEGHIGHWATER
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#define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
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#endif
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#ifndef NFSCLLAYOUTHIGHWATER
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#define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */
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#endif
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#ifndef NFSNOOPEN /* Inactive open owner (sec) */
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#define NFSNOOPEN 120
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#endif
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#define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
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#define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
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#ifndef NFSRVCACHE_UDPTIMEOUT
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#define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
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#endif
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#ifndef NFSRVCACHE_UDPHIGHWATER
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#define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
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#endif
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#ifndef NFSRVCACHE_TCPTIMEOUT
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#define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
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#endif
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#ifndef NFSRVCACHE_FLOODLEVEL
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#define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
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#endif
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#ifndef NFSRV_CLIENTHIGHWATER
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#define NFSRV_CLIENTHIGHWATER 1000
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#endif
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#ifndef NFSRV_MAXDUMPLIST
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#define NFSRV_MAXDUMPLIST 10000
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#endif
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#ifndef NFS_ACCESSCACHESIZE
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#define NFS_ACCESSCACHESIZE 8
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#endif
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#define NFSV4_CBPORT 7745 /* Callback port for testing */
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/*
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* This macro defines the high water mark for issuing V4 delegations.
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* (It is currently set at a conservative 20% of nfsrv_v4statelimit. This
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* may want to increase when clients can make more effective use of
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* delegations.)
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*/
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#define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > nfsrv_v4statelimit)
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#define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
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/*
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* The NFSv4 RFCs do not define an upper limit on the length of Owner and
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* OwnerGroup strings. Since FreeBSD handles a group name > 1024bytes in
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* length, set a generous sanity limit of 10Kbytes.
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*/
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#define NFSV4_MAXOWNERGROUPLEN (10 * 1024)
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/*
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* Oddballs
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*/
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#define NFS_CMPFH(n, f, s) \
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((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
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#define NFSRV_CMPFH(nf, ns, f, s) \
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((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
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#define NFS_CMPTIME(t1, t2) \
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((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
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#define NFS_SETTIME(t) do { \
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(t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
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#define NFS_SRVMAXDATA(n) \
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(((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
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nfs_srvmaxio : NFS_V2MAXDATA)
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#define NFS64BITSSET 0xffffffffffffffffull
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#define NFS64BITSMINUS1 0xfffffffffffffffeull
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/*
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* Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
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* and nfsloaduser should ever try and use it.
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*/
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struct nfsd_addsock_args {
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int sock; /* Socket to serve */
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caddr_t name; /* Client addr for connection based sockets */
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int namelen; /* Length of name */
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};
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/*
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* nfsd argument for new krpc.
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* (New version supports pNFS, indicated by NFSSVC_NEWSTRUCT flag.)
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*/
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struct nfsd_nfsd_args {
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const char *principal; /* GSS-API service principal name */
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int minthreads; /* minimum service thread count */
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int maxthreads; /* maximum service thread count */
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int version; /* Allow multiple variants */
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char *addr; /* pNFS DS addresses */
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int addrlen; /* Length of addrs */
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char *dnshost; /* DNS names for DS addresses */
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int dnshostlen; /* Length of DNS names */
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char *dspath; /* DS Mount path on MDS */
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int dspathlen; /* Length of DS Mount path on MDS */
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char *mdspath; /* MDS mount for DS path on MDS */
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int mdspathlen; /* Length of MDS mount for DS path on MDS */
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int mirrorcnt; /* Number of mirrors to create on DSs */
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};
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/*
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* NFSDEV_MAXMIRRORS - Maximum level of mirroring for a DS.
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* (Most will only put files on two DSs, but this setting allows up to 4.)
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* NFSDEV_MAXVERS - maximum number of NFS versions supported by Flex File.
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*/
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#define NFSDEV_MAXMIRRORS 4
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#define NFSDEV_MAXVERS 4
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struct nfsd_pnfsd_args {
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int op; /* Which pNFSd op to perform. */
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char *mdspath; /* Path of MDS file. */
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char *dspath; /* Path of recovered DS mounted on dir. */
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char *curdspath; /* Path of current DS mounted on dir. */
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};
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#define PNFSDOP_DELDSSERVER 1
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#define PNFSDOP_COPYMR 2
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#define PNFSDOP_FORCEDELDS 3
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/* Old version. */
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struct nfsd_nfsd_oargs {
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const char *principal; /* GSS-API service principal name */
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int minthreads; /* minimum service thread count */
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int maxthreads; /* maximum service thread count */
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};
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/*
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* Arguments for use by the callback daemon.
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*/
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struct nfsd_nfscbd_args {
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const char *principal; /* GSS-API service principal name */
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};
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struct nfscbd_args {
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int sock; /* Socket to serve */
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caddr_t name; /* Client addr for connection based sockets */
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int namelen; /* Length of name */
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u_short port; /* Port# for callbacks */
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};
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struct nfsd_idargs {
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int nid_flag; /* Flags (see below) */
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uid_t nid_uid; /* user/group id */
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gid_t nid_gid;
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int nid_usermax; /* Upper bound on user name cache */
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int nid_usertimeout;/* User name timeout (minutes) */
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u_char *nid_name; /* Name */
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int nid_namelen; /* and its length */
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gid_t *nid_grps; /* and the list */
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int nid_ngroup; /* Size of groups list */
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};
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struct nfsd_oidargs {
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int nid_flag; /* Flags (see below) */
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uid_t nid_uid; /* user/group id */
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gid_t nid_gid;
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int nid_usermax; /* Upper bound on user name cache */
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int nid_usertimeout;/* User name timeout (minutes) */
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u_char *nid_name; /* Name */
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int nid_namelen; /* and its length */
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};
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struct nfsuserd_args {
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sa_family_t nuserd_family; /* Address family to use */
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u_short nuserd_port; /* Port# */
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};
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struct nfsd_clid {
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int nclid_idlen; /* Length of client id */
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u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
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};
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struct nfsd_dumplist {
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int ndl_size; /* Number of elements */
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void *ndl_list; /* and the list of elements */
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};
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struct nfsd_dumpclients {
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u_int32_t ndcl_flags; /* LCL_xxx flags */
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u_int32_t ndcl_nopenowners; /* Number of openowners */
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u_int32_t ndcl_nopens; /* and opens */
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u_int32_t ndcl_nlockowners; /* and of lockowners */
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u_int32_t ndcl_nlocks; /* and of locks */
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u_int32_t ndcl_ndelegs; /* and of delegations */
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u_int32_t ndcl_nolddelegs; /* and old delegations */
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sa_family_t ndcl_addrfam; /* Callback address */
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union {
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struct in_addr sin_addr;
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struct in6_addr sin6_addr;
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} ndcl_cbaddr;
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struct nfsd_clid ndcl_clid; /* and client id */
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};
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struct nfsd_dumplocklist {
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char *ndllck_fname; /* File Name */
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int ndllck_size; /* Number of elements */
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void *ndllck_list; /* and the list of elements */
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};
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struct nfsd_dumplocks {
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u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
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nfsv4stateid_t ndlck_stateid; /* stateid */
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u_int64_t ndlck_first; /* lock byte range */
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u_int64_t ndlck_end;
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struct nfsd_clid ndlck_owner; /* Owner of open/lock */
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sa_family_t ndlck_addrfam; /* Callback address */
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union {
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struct in_addr sin_addr;
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struct in6_addr sin6_addr;
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} ndlck_cbaddr;
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struct nfsd_clid ndlck_clid; /* and client id */
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};
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/*
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* Structure for referral information.
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*/
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struct nfsreferral {
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u_char *nfr_srvlist; /* List of servers */
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int nfr_srvcnt; /* number of servers */
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vnode_t nfr_vp; /* vnode for referral */
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uint64_t nfr_dfileno; /* assigned dir inode# */
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};
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/*
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* Flags for lc_flags and opsflags for nfsrv_getclient().
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*/
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#define LCL_NEEDSCONFIRM 0x00000001
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#define LCL_DONTCLEAN 0x00000002
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#define LCL_WAKEUPWANTED 0x00000004
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#define LCL_TCPCALLBACK 0x00000008
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#define LCL_CALLBACKSON 0x00000010
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#define LCL_INDEXNOTOK 0x00000020
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#define LCL_STAMPEDSTABLE 0x00000040
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#define LCL_EXPIREIT 0x00000080
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#define LCL_CBDOWN 0x00000100
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#define LCL_KERBV 0x00000400
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#define LCL_NAME 0x00000800
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#define LCL_NEEDSCBNULL 0x00001000
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#define LCL_GSSINTEGRITY 0x00002000
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#define LCL_GSSPRIVACY 0x00004000
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#define LCL_ADMINREVOKED 0x00008000
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#define LCL_RECLAIMCOMPLETE 0x00010000
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#define LCL_NFSV41 0x00020000
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#define LCL_DONEBINDCONN 0x00040000
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#define LCL_RECLAIMONEFS 0x00080000
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#define LCL_NFSV42 0x00100000
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#define LCL_TLSCB 0x00200000
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#define LCL_MACHCRED 0x00400000
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#define LCL_GSS LCL_KERBV /* Or of all mechs */
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/*
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* Bits for flags in nfslock and nfsstate.
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* The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
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* below, in the correct order, so the shifts work for tests.
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*/
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#define NFSLCK_READACCESS 0x00000001
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#define NFSLCK_WRITEACCESS 0x00000002
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#define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
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#define NFSLCK_SHIFT 2
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#define NFSLCK_READDENY 0x00000004
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#define NFSLCK_WRITEDENY 0x00000008
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#define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
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#define NFSLCK_SHAREBITS \
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(NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
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#define NFSLCK_LOCKSHIFT 4
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#define NFSLCK_READ 0x00000010
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#define NFSLCK_WRITE 0x00000020
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#define NFSLCK_BLOCKING 0x00000040
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#define NFSLCK_RECLAIM 0x00000080
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#define NFSLCK_OPENTOLOCK 0x00000100
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#define NFSLCK_TEST 0x00000200
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#define NFSLCK_LOCK 0x00000400
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#define NFSLCK_UNLOCK 0x00000800
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#define NFSLCK_OPEN 0x00001000
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#define NFSLCK_CLOSE 0x00002000
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#define NFSLCK_CHECK 0x00004000
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#define NFSLCK_RELEASE 0x00008000
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#define NFSLCK_NEEDSCONFIRM 0x00010000
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#define NFSLCK_CONFIRM 0x00020000
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#define NFSLCK_DOWNGRADE 0x00040000
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#define NFSLCK_DELEGREAD 0x00080000
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#define NFSLCK_DELEGWRITE 0x00100000
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#define NFSLCK_DELEGCUR 0x00200000
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#define NFSLCK_DELEGPREV 0x00400000
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#define NFSLCK_OLDDELEG 0x00800000
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#define NFSLCK_DELEGRECALL 0x01000000
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#define NFSLCK_SETATTR 0x02000000
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#define NFSLCK_DELEGPURGE 0x04000000
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#define NFSLCK_DELEGRETURN 0x08000000
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#define NFSLCK_WANTWDELEG 0x10000000
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#define NFSLCK_WANTRDELEG 0x20000000
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#define NFSLCK_WANTNODELEG 0x40000000
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#define NFSLCK_WANTBITS \
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(NFSLCK_WANTWDELEG | NFSLCK_WANTRDELEG | NFSLCK_WANTNODELEG)
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/* And bits for nid_flag */
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#define NFSID_INITIALIZE 0x0001
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#define NFSID_ADDUID 0x0002
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#define NFSID_DELUID 0x0004
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#define NFSID_ADDUSERNAME 0x0008
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#define NFSID_DELUSERNAME 0x0010
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#define NFSID_ADDGID 0x0020
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#define NFSID_DELGID 0x0040
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#define NFSID_ADDGROUPNAME 0x0080
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#define NFSID_DELGROUPNAME 0x0100
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/*
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* fs.nfs sysctl(3) identifiers
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*/
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#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
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/*
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* Here is the definition of the attribute bits array and macros that
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* manipulate it.
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* THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
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* It is (NFSATTRBIT_MAX + 31) / 32.
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*/
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#define NFSATTRBIT_MAXWORDS 3
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typedef struct {
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u_int32_t bits[NFSATTRBIT_MAXWORDS];
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} nfsattrbit_t;
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#define NFSZERO_ATTRBIT(b) do { \
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(b)->bits[0] = 0; \
|
|
(b)->bits[1] = 0; \
|
|
(b)->bits[2] = 0; \
|
|
} while (0)
|
|
|
|
#define NFSSET_ATTRBIT(t, f) do { \
|
|
(t)->bits[0] = (f)->bits[0]; \
|
|
(t)->bits[1] = (f)->bits[1]; \
|
|
(t)->bits[2] = (f)->bits[2]; \
|
|
} while (0)
|
|
|
|
#define NFSSETSUPP_ATTRBIT(b, n) do { \
|
|
(b)->bits[0] = NFSATTRBIT_SUPP0; \
|
|
(b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY1); \
|
|
(b)->bits[2] = (NFSATTRBIT_SUPP2 | NFSATTRBIT_SUPPSETONLY2); \
|
|
if (((n)->nd_flag & ND_NFSV41) == 0) { \
|
|
(b)->bits[1] &= ~NFSATTRBIT_NFSV41_1; \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
|
|
} \
|
|
if (((n)->nd_flag & ND_NFSV42) == 0) \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV42_2; \
|
|
} while (0)
|
|
|
|
#define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
|
|
#define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
|
|
#define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
|
|
|
|
#define NFSCLRALL_ATTRBIT(b, a) do { \
|
|
(b)->bits[0] &= ~((a)->bits[0]); \
|
|
(b)->bits[1] &= ~((a)->bits[1]); \
|
|
(b)->bits[2] &= ~((a)->bits[2]); \
|
|
} while (0)
|
|
|
|
#define NFSCLRNOT_ATTRBIT(b, a) do { \
|
|
(b)->bits[0] &= ((a)->bits[0]); \
|
|
(b)->bits[1] &= ((a)->bits[1]); \
|
|
(b)->bits[2] &= ((a)->bits[2]); \
|
|
} while (0)
|
|
|
|
#define NFSCLRNOTFILLABLE_ATTRBIT(b, n) do { \
|
|
(b)->bits[0] &= NFSATTRBIT_SUPP0; \
|
|
(b)->bits[1] &= NFSATTRBIT_SUPP1; \
|
|
(b)->bits[2] &= NFSATTRBIT_SUPP2; \
|
|
if (((n)->nd_flag & ND_NFSV41) == 0) { \
|
|
(b)->bits[1] &= ~NFSATTRBIT_NFSV41_1; \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
|
|
} \
|
|
if (((n)->nd_flag & ND_NFSV42) == 0) \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV42_2; \
|
|
} while (0)
|
|
|
|
#define NFSCLRNOTSETABLE_ATTRBIT(b, n) do { \
|
|
(b)->bits[0] &= NFSATTRBIT_SETABLE0; \
|
|
(b)->bits[1] &= NFSATTRBIT_SETABLE1; \
|
|
(b)->bits[2] &= NFSATTRBIT_SETABLE2; \
|
|
if (((n)->nd_flag & ND_NFSV41) == 0) \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
|
|
if (((n)->nd_flag & ND_NFSV42) == 0) \
|
|
(b)->bits[2] &= ~NFSATTRBIT_NFSV42_2; \
|
|
} while (0)
|
|
|
|
#define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1] || (b)->bits[2])
|
|
#define NFSEQUAL_ATTRBIT(b, p) ((b)->bits[0] == (p)->bits[0] && \
|
|
(b)->bits[1] == (p)->bits[1] && (b)->bits[2] == (p)->bits[2])
|
|
|
|
#define NFSGETATTR_ATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSATTRBIT_GETATTR0; \
|
|
(b)->bits[1] = NFSATTRBIT_GETATTR1; \
|
|
(b)->bits[2] = NFSATTRBIT_GETATTR2; \
|
|
} while (0)
|
|
|
|
#define NFSWCCATTR_ATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSATTRBIT_WCCATTR0; \
|
|
(b)->bits[1] = NFSATTRBIT_WCCATTR1; \
|
|
(b)->bits[2] = NFSATTRBIT_WCCATTR2; \
|
|
} while (0)
|
|
|
|
#define NFSWRITEGETATTR_ATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
|
|
(b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; \
|
|
(b)->bits[2] = NFSATTRBIT_WRITEGETATTR2; \
|
|
} while (0)
|
|
|
|
#define NFSCBGETATTR_ATTRBIT(b, c) do { \
|
|
(c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
|
|
(c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); \
|
|
(c)->bits[2] = ((b)->bits[2] & NFSATTRBIT_CBGETATTR2); \
|
|
} while (0)
|
|
|
|
#define NFSPATHCONF_GETATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
|
|
(b)->bits[1] = NFSGETATTRBIT_PATHCONF1; \
|
|
(b)->bits[2] = NFSGETATTRBIT_PATHCONF2; \
|
|
} while (0)
|
|
|
|
#define NFSSTATFS_GETATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSGETATTRBIT_STATFS0; \
|
|
(b)->bits[1] = NFSGETATTRBIT_STATFS1; \
|
|
(b)->bits[2] = NFSGETATTRBIT_STATFS2; \
|
|
} while (0)
|
|
|
|
#define NFSROOTFS_GETATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSGETATTRBIT_STATFS0 | NFSATTRBIT_GETATTR0 | \
|
|
NFSATTRBM_LEASETIME; \
|
|
(b)->bits[1] = NFSGETATTRBIT_STATFS1 | NFSATTRBIT_GETATTR1; \
|
|
(b)->bits[2] = NFSGETATTRBIT_STATFS2 | NFSATTRBIT_GETATTR2; \
|
|
} while (0)
|
|
|
|
#define NFSISSETSTATFS_ATTRBIT(b) \
|
|
(((b)->bits[0] & NFSATTRBIT_STATFS0) || \
|
|
((b)->bits[1] & NFSATTRBIT_STATFS1) || \
|
|
((b)->bits[2] & NFSATTRBIT_STATFS2))
|
|
|
|
#define NFSCLRSTATFS_ATTRBIT(b) do { \
|
|
(b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
|
|
(b)->bits[1] &= ~NFSATTRBIT_STATFS1; \
|
|
(b)->bits[2] &= ~NFSATTRBIT_STATFS2; \
|
|
} while (0)
|
|
|
|
#define NFSREADDIRPLUS_ATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
|
|
(b)->bits[1] = NFSATTRBIT_READDIRPLUS1; \
|
|
(b)->bits[2] = NFSATTRBIT_READDIRPLUS2; \
|
|
} while (0)
|
|
|
|
#define NFSREFERRAL_ATTRBIT(b) do { \
|
|
(b)->bits[0] = NFSATTRBIT_REFERRAL0; \
|
|
(b)->bits[1] = NFSATTRBIT_REFERRAL1; \
|
|
(b)->bits[2] = NFSATTRBIT_REFERRAL2; \
|
|
} while (0)
|
|
|
|
/*
|
|
* Here is the definition of the operation bits array and macros that
|
|
* manipulate it.
|
|
* THE MACROS MUST BE MANUALLY MODIFIED IF NFSOPBIT_MAXWORDS CHANGES!!
|
|
* It is (NFSV42_NOPS + 31) / 32.
|
|
*/
|
|
#define NFSOPBIT_MAXWORDS 3
|
|
|
|
typedef struct {
|
|
uint32_t bits[NFSOPBIT_MAXWORDS];
|
|
} nfsopbit_t;
|
|
|
|
#define NFSZERO_OPBIT(b) do { \
|
|
(b)->bits[0] = 0; \
|
|
(b)->bits[1] = 0; \
|
|
(b)->bits[2] = 0; \
|
|
} while (0)
|
|
|
|
#define NFSSET_OPBIT(t, f) do { \
|
|
(t)->bits[0] = (f)->bits[0]; \
|
|
(t)->bits[1] = (f)->bits[1]; \
|
|
(t)->bits[2] = (f)->bits[2]; \
|
|
} while (0)
|
|
|
|
#define NFSISSET_OPBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
|
|
#define NFSSETBIT_OPBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
|
|
#define NFSCLRBIT_OPBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
|
|
|
|
/*
|
|
* Store uid, gid creds that were used when the stateid was acquired.
|
|
* The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
|
|
* so that's how many gets stored here.
|
|
*/
|
|
struct nfscred {
|
|
uid_t nfsc_uid;
|
|
gid_t nfsc_groups[NFS_MAXGRPS + 1];
|
|
int nfsc_ngroups;
|
|
};
|
|
|
|
/*
|
|
* Constants that define the file handle for the V4 root directory.
|
|
* (The FSID must never be used by other file systems that are exported.)
|
|
*/
|
|
#define NFSV4ROOT_FSID0 ((int32_t) -1)
|
|
#define NFSV4ROOT_FSID1 ((int32_t) -1)
|
|
#define NFSV4ROOT_REFERRAL ((int32_t) -2)
|
|
#define NFSV4ROOT_INO 2 /* It's traditional */
|
|
#define NFSV4ROOT_GEN 1
|
|
|
|
/*
|
|
* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
|
|
* What should be in this set is open to debate, but I believe that since
|
|
* I/O system calls on ufs are never interrupted by signals the set should
|
|
* be minimal. My reasoning is that many current programs that use signals
|
|
* such as SIGALRM will not expect file I/O system calls to be interrupted
|
|
* by them and break.
|
|
*/
|
|
#if defined(_KERNEL) || defined(KERNEL)
|
|
|
|
struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
|
|
|
|
/*
|
|
* Socket errors ignored for connectionless sockets?
|
|
* For now, ignore them all
|
|
*/
|
|
#define NFSIGNORE_SOERROR(s, e) \
|
|
((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
|
|
((s) & PR_CONNREQUIRED) == 0)
|
|
|
|
/*
|
|
* This structure holds socket information for a connection. Used by the
|
|
* client and the server for callbacks.
|
|
*/
|
|
struct nfssockreq {
|
|
NFSSOCKADDR_T nr_nam;
|
|
int nr_sotype;
|
|
int nr_soproto;
|
|
int nr_soflags;
|
|
struct ucred *nr_cred;
|
|
int nr_lock;
|
|
NFSMUTEX_T nr_mtx;
|
|
u_int32_t nr_prog;
|
|
u_int32_t nr_vers;
|
|
struct __rpc_client *nr_client;
|
|
AUTH *nr_auth;
|
|
};
|
|
|
|
/*
|
|
* And associated nr_lock bits.
|
|
*/
|
|
#define NFSR_SNDLOCK 0x01
|
|
#define NFSR_WANTSND 0x02
|
|
#define NFSR_RCVLOCK 0x04
|
|
#define NFSR_WANTRCV 0x08
|
|
#define NFSR_RESERVEDPORT 0x10
|
|
#define NFSR_LOCALHOST 0x20
|
|
|
|
/*
|
|
* Queue head for nfsreq's
|
|
*/
|
|
TAILQ_HEAD(nfsreqhead, nfsreq);
|
|
|
|
/* This is the only nfsreq R_xxx flag still used. */
|
|
#define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
|
|
rpc gets a stale state reply */
|
|
|
|
/*
|
|
* Network address hash list element
|
|
*/
|
|
union nethostaddr {
|
|
struct in_addr had_inet;
|
|
struct in6_addr had_inet6;
|
|
};
|
|
|
|
/*
|
|
* Structure of list of mechanisms.
|
|
*/
|
|
struct nfsgss_mechlist {
|
|
int len;
|
|
const u_char *str;
|
|
int totlen;
|
|
};
|
|
#define KERBV_MECH 0 /* position in list */
|
|
|
|
/*
|
|
* This structure is used by the server for describing each request.
|
|
*/
|
|
struct nfsrv_descript {
|
|
struct mbuf *nd_mrep; /* Request mbuf list */
|
|
struct mbuf *nd_md; /* Current dissect mbuf */
|
|
struct mbuf *nd_mreq; /* Reply mbuf list */
|
|
struct mbuf *nd_mb; /* Current build mbuf */
|
|
NFSSOCKADDR_T nd_nam; /* and socket addr */
|
|
NFSSOCKADDR_T nd_nam2; /* return socket addr */
|
|
caddr_t nd_dpos; /* Current dissect pos */
|
|
caddr_t nd_bpos; /* Current build pos */
|
|
u_int64_t nd_flag; /* nd_flag */
|
|
u_int16_t nd_procnum; /* RPC # */
|
|
u_int32_t nd_repstat; /* Reply status */
|
|
int *nd_errp; /* Pointer to ret status */
|
|
u_int32_t nd_retxid; /* Reply xid */
|
|
struct nfsrvcache *nd_rp; /* Assoc. cache entry */
|
|
fhandle_t nd_fh; /* File handle */
|
|
struct ucred *nd_cred; /* Credentials */
|
|
uid_t nd_saveduid; /* Saved uid */
|
|
u_int64_t nd_sockref; /* Rcv socket ref# */
|
|
u_int64_t nd_compref; /* Compound RPC ref# */
|
|
time_t nd_tcpconntime; /* Time TCP connection est. */
|
|
nfsquad_t nd_clientid; /* Implied clientid */
|
|
int nd_gssnamelen; /* principal name length */
|
|
char *nd_gssname; /* principal name */
|
|
uint32_t *nd_slotseq; /* ptr to slot seq# in req */
|
|
uint8_t nd_sessionid[NFSX_V4SESSIONID]; /* Session id */
|
|
uint32_t nd_slotid; /* Slotid for this RPC */
|
|
SVCXPRT *nd_xprt; /* Server RPC handle */
|
|
uint32_t *nd_sequence; /* Sequence Op. ptr */
|
|
nfsv4stateid_t nd_curstateid; /* Current StateID */
|
|
nfsv4stateid_t nd_savedcurstateid; /* Saved Current StateID */
|
|
uint32_t nd_maxreq; /* Max. request (session). */
|
|
uint32_t nd_maxresp; /* Max. reply (session). */
|
|
int nd_bextpg; /* Current ext_pgs page */
|
|
int nd_bextpgsiz; /* Bytes left in page */
|
|
int nd_maxextsiz; /* Max ext_pgs mbuf size */
|
|
nfsopbit_t nd_allowops; /* Allowed ops ND_MACHCRED */
|
|
};
|
|
|
|
#define nd_princlen nd_gssnamelen
|
|
#define nd_principal nd_gssname
|
|
|
|
/* Bits for "nd_flag" */
|
|
#define ND_DONTSAVEREPLY 0x00000001
|
|
#define ND_SAVEREPLY 0x00000002
|
|
#define ND_NFSV2 0x00000004
|
|
#define ND_NFSV3 0x00000008
|
|
#define ND_NFSV4 0x00000010
|
|
#define ND_KERBV 0x00000020
|
|
#define ND_GSSINTEGRITY 0x00000040
|
|
#define ND_GSSPRIVACY 0x00000080
|
|
#define ND_WINDOWVERF 0x00000100
|
|
#define ND_GSSINITREPLY 0x00000200
|
|
#define ND_STREAMSOCK 0x00000400
|
|
#define ND_PUBLOOKUP 0x00000800
|
|
#define ND_USEGSSNAME 0x00001000
|
|
#define ND_SAMETCPCONN 0x00002000
|
|
#define ND_IMPLIEDCLID 0x00004000
|
|
#define ND_NOMOREDATA 0x00008000
|
|
#define ND_V4WCCATTR 0x00010000
|
|
#define ND_NFSCB 0x00020000
|
|
#define ND_AUTHNONE 0x00040000
|
|
#define ND_EXAUTHSYS 0x00080000
|
|
#define ND_EXGSS 0x00100000
|
|
#define ND_EXGSSINTEGRITY 0x00200000
|
|
#define ND_EXGSSPRIVACY 0x00400000
|
|
#define ND_INCRSEQID 0x00800000
|
|
#define ND_NFSCL 0x01000000
|
|
#define ND_NFSV41 0x02000000
|
|
#define ND_HASSEQUENCE 0x04000000
|
|
#define ND_CACHETHIS 0x08000000
|
|
#define ND_LASTOP 0x10000000
|
|
#define ND_LOOPBADSESS 0x20000000
|
|
#define ND_DSSERVER 0x40000000
|
|
#define ND_CURSTATEID 0x80000000
|
|
#define ND_SAVEDCURSTATEID 0x100000000
|
|
#define ND_HASSLOTID 0x200000000
|
|
#define ND_NFSV42 0x400000000
|
|
#define ND_EXTPG 0x800000000
|
|
#define ND_TLS 0x1000000000
|
|
#define ND_TLSCERT 0x2000000000
|
|
#define ND_TLSCERTUSER 0x4000000000
|
|
#define ND_EXTLS 0x8000000000
|
|
#define ND_EXTLSCERT 0x10000000000
|
|
#define ND_EXTLSCERTUSER 0x20000000000
|
|
#define ND_ERELOOKUP 0x40000000000
|
|
#define ND_MACHCRED 0x80000000000
|
|
|
|
/*
|
|
* ND_GSS should be the "or" of all GSS type authentications.
|
|
*/
|
|
#define ND_GSS (ND_KERBV)
|
|
|
|
struct nfsv4_opflag {
|
|
int retfh;
|
|
int needscfh;
|
|
int savereply;
|
|
int modifyfs;
|
|
int lktype;
|
|
int needsseq;
|
|
int loopbadsess;
|
|
};
|
|
|
|
/*
|
|
* Flags used to indicate what to do w.r.t. seqid checking.
|
|
*/
|
|
#define NFSRVSEQID_FIRST 0x01
|
|
#define NFSRVSEQID_LAST 0x02
|
|
#define NFSRVSEQID_OPEN 0x04
|
|
|
|
/*
|
|
* assign a doubly linked list to a new head
|
|
* and prepend one list into another.
|
|
*/
|
|
#define LIST_NEWHEAD(nhead, ohead, field) do { \
|
|
if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
|
|
(ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
|
|
(ohead)->lh_first = NULL; \
|
|
} while (0)
|
|
|
|
#define LIST_PREPEND(head, phead, lelm, field) do { \
|
|
if ((head)->lh_first != NULL) { \
|
|
(lelm)->field.le_next = (head)->lh_first; \
|
|
(lelm)->field.le_next->field.le_prev = \
|
|
&(lelm)->field.le_next; \
|
|
} \
|
|
(head)->lh_first = (phead)->lh_first; \
|
|
(head)->lh_first->field.le_prev = &(head)->lh_first; \
|
|
} while (0)
|
|
|
|
/*
|
|
* File handle structure for client. Malloc'd to the correct length with
|
|
* malloc type M_NFSFH.
|
|
*/
|
|
struct nfsfh {
|
|
u_int16_t nfh_len; /* Length of file handle */
|
|
u_int8_t nfh_fh[1]; /* and the file handle */
|
|
};
|
|
|
|
/*
|
|
* File handle structure for server. The NFSRV_MAXFH constant is
|
|
* set in nfsdport.h. I use a 32bit length, so that alignment is
|
|
* preserved.
|
|
*/
|
|
struct nfsrvfh {
|
|
u_int32_t nfsrvfh_len;
|
|
u_int8_t nfsrvfh_data[NFSRV_MAXFH];
|
|
};
|
|
|
|
/*
|
|
* This structure is used for sleep locks on the NFSv4 nfsd threads and
|
|
* NFSv4 client data structures.
|
|
*/
|
|
struct nfsv4lock {
|
|
u_int32_t nfslock_usecnt;
|
|
u_int8_t nfslock_lock;
|
|
};
|
|
#define NFSV4LOCK_LOCK 0x01
|
|
#define NFSV4LOCK_LOCKWANTED 0x02
|
|
#define NFSV4LOCK_WANTED 0x04
|
|
|
|
/*
|
|
* Values for the override argument for nfsvno_accchk().
|
|
*/
|
|
#define NFSACCCHK_NOOVERRIDE 0
|
|
#define NFSACCCHK_ALLOWROOT 1
|
|
#define NFSACCCHK_ALLOWOWNER 2
|
|
|
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/*
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* and values for the vpislocked argument for nfsvno_accchk().
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|
*/
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|
#define NFSACCCHK_VPNOTLOCKED 0
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#define NFSACCCHK_VPISLOCKED 1
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|
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/*
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|
* Slot for the NFSv4.1 Sequence Op.
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|
*/
|
|
struct nfsslot {
|
|
int nfssl_inprog;
|
|
uint32_t nfssl_seq;
|
|
struct mbuf *nfssl_reply;
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|
};
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|
|
|
/* Enumerated type for nfsuserd state. */
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|
typedef enum { NOTRUNNING=0, STARTSTOP=1, RUNNING=2 } nfsuserd_state;
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#endif /* _KERNEL */
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|
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#endif /* _NFS_NFS_H */
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