692 lines
18 KiB
C
692 lines
18 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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*/
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#include <sys/cdefs.h>
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#include "opt_inet6.h"
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#include "opt_kgssapi.h"
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#include "opt_kern_tls.h"
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#include <fs/nfs/nfsport.h>
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#include <rpc/rpc.h>
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#include <rpc/rpcsec_gss.h>
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#include <rpc/rpcsec_tls.h>
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#include <fs/nfsserver/nfs_fha_new.h>
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#include <security/mac/mac_framework.h>
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NFSDLOCKMUTEX;
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NFSV4ROOTLOCKMUTEX;
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char *nfsrv_zeropnfsdat = NULL;
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/*
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* Mapping of old NFS Version 2 RPC numbers to generic numbers.
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*/
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int newnfs_nfsv3_procid[NFS_V3NPROCS] = {
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NFSPROC_NULL,
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NFSPROC_GETATTR,
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NFSPROC_SETATTR,
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NFSPROC_NOOP,
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NFSPROC_LOOKUP,
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NFSPROC_READLINK,
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NFSPROC_READ,
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NFSPROC_NOOP,
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NFSPROC_WRITE,
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NFSPROC_CREATE,
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NFSPROC_REMOVE,
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NFSPROC_RENAME,
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NFSPROC_LINK,
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NFSPROC_SYMLINK,
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NFSPROC_MKDIR,
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NFSPROC_RMDIR,
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NFSPROC_READDIR,
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NFSPROC_FSSTAT,
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NFSPROC_NOOP,
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NFSPROC_NOOP,
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NFSPROC_NOOP,
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NFSPROC_NOOP,
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};
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SYSCTL_DECL(_vfs_nfsd);
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NFSD_VNET_DEFINE_STATIC(int, nfs_privport) = 0;
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SYSCTL_INT(_vfs_nfsd, OID_AUTO, nfs_privport, CTLFLAG_NFSD_VNET | CTLFLAG_RWTUN,
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&NFSD_VNET_NAME(nfs_privport), 0,
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"Only allow clients using a privileged port for NFSv2, 3 and 4");
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NFSD_VNET_DEFINE_STATIC(int, nfs_minvers) = NFS_VER2;
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SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_min_nfsvers,
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CTLFLAG_NFSD_VNET | CTLFLAG_RWTUN, &NFSD_VNET_NAME(nfs_minvers), 0,
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"The lowest version of NFS handled by the server");
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NFSD_VNET_DEFINE_STATIC(int, nfs_maxvers) = NFS_VER4;
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SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_max_nfsvers,
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CTLFLAG_NFSD_VNET | CTLFLAG_RWTUN, &NFSD_VNET_NAME(nfs_maxvers), 0,
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"The highest version of NFS handled by the server");
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static int nfs_proc(struct nfsrv_descript *, u_int32_t, SVCXPRT *xprt,
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struct nfsrvcache **);
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extern u_long sb_max_adj;
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extern int newnfs_numnfsd;
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extern time_t nfsdev_time;
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extern int nfsrv_writerpc[NFS_NPROCS];
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extern volatile int nfsrv_devidcnt;
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extern struct nfsv4_opflag nfsv4_opflag[NFSV42_NOPS];
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extern int nfsd_debuglevel;
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NFSD_VNET_DECLARE(struct proc *, nfsd_master_proc);
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NFSD_VNET_DEFINE(SVCPOOL *, nfsrvd_pool);
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NFSD_VNET_DEFINE(int, nfsrv_numnfsd) = 0;
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NFSD_VNET_DEFINE(struct nfsv4lock, nfsd_suspend_lock);
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NFSD_VNET_DEFINE_STATIC(bool, nfsrvd_inited) = false;
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/*
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* NFS server system calls
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*/
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static void
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nfssvc_program(struct svc_req *rqst, SVCXPRT *xprt)
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{
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struct nfsrv_descript nd;
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struct nfsrvcache *rp = NULL;
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rpc_gss_rawcred_t *rcredp;
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int cacherep, credflavor, i, j;
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u_char *p;
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#ifdef KERN_TLS
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u_int maxlen;
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#endif
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NFSD_CURVNET_SET_QUIET(NFSD_TD_TO_VNET(curthread));
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memset(&nd, 0, sizeof(nd));
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if (rqst->rq_vers == NFS_VER2) {
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if (rqst->rq_proc > NFSV2PROC_STATFS ||
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newnfs_nfsv3_procid[rqst->rq_proc] == NFSPROC_NOOP) {
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svcerr_noproc(rqst);
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svc_freereq(rqst);
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goto out;
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}
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nd.nd_procnum = newnfs_nfsv3_procid[rqst->rq_proc];
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nd.nd_flag = ND_NFSV2;
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} else if (rqst->rq_vers == NFS_VER3) {
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if (rqst->rq_proc >= NFS_V3NPROCS) {
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svcerr_noproc(rqst);
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svc_freereq(rqst);
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goto out;
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}
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nd.nd_procnum = rqst->rq_proc;
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nd.nd_flag = ND_NFSV3;
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} else {
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if (rqst->rq_proc != NFSPROC_NULL &&
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rqst->rq_proc != NFSV4PROC_COMPOUND) {
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svcerr_noproc(rqst);
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svc_freereq(rqst);
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goto out;
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}
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nd.nd_procnum = rqst->rq_proc;
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nd.nd_flag = ND_NFSV4;
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}
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/*
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* Note: we want rq_addr, not svc_getrpccaller for nd_nam2 -
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* NFS_SRVMAXDATA uses a NULL value for nd_nam2 to detect TCP
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* mounts.
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*/
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nd.nd_mrep = rqst->rq_args;
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rqst->rq_args = NULL;
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newnfs_realign(&nd.nd_mrep, M_WAITOK);
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nd.nd_md = nd.nd_mrep;
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nd.nd_dpos = mtod(nd.nd_md, caddr_t);
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nd.nd_nam = svc_getrpccaller(rqst);
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nd.nd_nam2 = rqst->rq_addr;
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nd.nd_mreq = NULL;
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nd.nd_cred = NULL;
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if (NFSD_VNET(nfs_privport) != 0) {
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/* Check if source port is privileged */
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u_short port;
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struct sockaddr *nam = nd.nd_nam;
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struct sockaddr_in *sin;
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sin = (struct sockaddr_in *)nam;
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/*
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* INET/INET6 - same code:
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* sin_port and sin6_port are at same offset
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*/
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port = ntohs(sin->sin_port);
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if (port >= IPPORT_RESERVED &&
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nd.nd_procnum != NFSPROC_NULL) {
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#ifdef INET6
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char buf[INET6_ADDRSTRLEN];
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#else
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char buf[INET_ADDRSTRLEN];
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#endif
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#ifdef INET6
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#if defined(KLD_MODULE)
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/* Do not use ip6_sprintf: the nfs module should work without INET6. */
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#define ip6_sprintf(buf, a) \
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(sprintf((buf), "%x:%x:%x:%x:%x:%x:%x:%x", \
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(a)->s6_addr16[0], (a)->s6_addr16[1], \
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(a)->s6_addr16[2], (a)->s6_addr16[3], \
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(a)->s6_addr16[4], (a)->s6_addr16[5], \
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(a)->s6_addr16[6], (a)->s6_addr16[7]), \
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(buf))
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#endif
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#endif
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printf("NFS request from unprivileged port (%s:%d)\n",
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#ifdef INET6
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sin->sin_family == AF_INET6 ?
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ip6_sprintf(buf, &satosin6(sin)->sin6_addr) :
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#if defined(KLD_MODULE)
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#undef ip6_sprintf
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#endif
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#endif
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inet_ntoa_r(sin->sin_addr, buf), port);
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svcerr_weakauth(rqst);
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svc_freereq(rqst);
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m_freem(nd.nd_mrep);
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goto out;
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}
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}
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if (nd.nd_procnum != NFSPROC_NULL) {
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if (!svc_getcred(rqst, &nd.nd_cred, &credflavor)) {
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svcerr_weakauth(rqst);
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svc_freereq(rqst);
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m_freem(nd.nd_mrep);
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goto out;
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}
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/* Set the flag based on credflavor */
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if (credflavor == RPCSEC_GSS_KRB5) {
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nd.nd_flag |= ND_GSS;
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} else if (credflavor == RPCSEC_GSS_KRB5I) {
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nd.nd_flag |= (ND_GSS | ND_GSSINTEGRITY);
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} else if (credflavor == RPCSEC_GSS_KRB5P) {
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nd.nd_flag |= (ND_GSS | ND_GSSPRIVACY);
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} else if (credflavor != AUTH_SYS) {
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svcerr_weakauth(rqst);
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svc_freereq(rqst);
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m_freem(nd.nd_mrep);
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goto out;
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}
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/* Acquire the principal name for the RPCSEC_GSS cases. */
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if ((nd.nd_flag & (ND_NFSV4 | ND_GSS)) == (ND_NFSV4 | ND_GSS)) {
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rcredp = NULL;
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rpc_gss_getcred_call(rqst, &rcredp, NULL, NULL);
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/*
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* The exported principal name consists of:
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* - TOK_ID bytes with value of 4 and 1.
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* - 2 byte mech length
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* - mech
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* - 4 byte principal name length
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* - principal name
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* A call to gss_import_name() would be an
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* upcall to the gssd, so parse it here.
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* See lib/libgssapi/gss_import_name.c for the
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* above format.
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*/
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if (rcredp != NULL &&
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rcredp->client_principal->len > 4 &&
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rcredp->client_principal->name[0] == 4 &&
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rcredp->client_principal->name[1] == 1) {
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/* Skip over the mech. */
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p = &rcredp->client_principal->name[2];
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i = (p[0] << 8) | p[1];
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p += i + 2;
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i += 4;
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/*
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* Set "j" to a bogus length so that the
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* "i + j" check will fail unless the below
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* code sets "j" correctly.
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*/
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j = rcredp->client_principal->len;
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if (rcredp->client_principal->len > i + 4) {
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j = (p[0] << 24) | (p[1] << 16) |
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(p[2] << 8) | p[3];
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i += 4;
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p += 4;
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}
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if (i + j == rcredp->client_principal->len) {
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nd.nd_principal = malloc(j + 1, M_TEMP,
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M_WAITOK);
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nd.nd_princlen = j;
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memcpy(nd.nd_principal, p, j);
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nd.nd_principal[j] = '\0';
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NFSD_DEBUG(1, "nfssvc_program: "
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"principal=%s\n", nd.nd_principal);
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}
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}
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if (nd.nd_princlen == 0)
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printf("nfssvc_program: cannot get RPCSEC_GSS "
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"principal name\n");
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}
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if ((xprt->xp_tls & RPCTLS_FLAGS_HANDSHAKE) != 0) {
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nd.nd_flag |= ND_TLS;
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if ((xprt->xp_tls & RPCTLS_FLAGS_VERIFIED) != 0)
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nd.nd_flag |= ND_TLSCERT;
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if ((xprt->xp_tls & RPCTLS_FLAGS_CERTUSER) != 0)
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nd.nd_flag |= ND_TLSCERTUSER;
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}
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nd.nd_maxextsiz = 16384;
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#ifdef MAC
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mac_cred_associate_nfsd(nd.nd_cred);
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#endif
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/*
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* Get a refcnt (shared lock) on nfsd_suspend_lock.
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* NFSSVC_SUSPENDNFSD will take an exclusive lock on
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* nfsd_suspend_lock to suspend these threads.
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* The call to nfsv4_lock() that precedes nfsv4_getref()
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* ensures that the acquisition of the exclusive lock
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* takes priority over acquisition of the shared lock by
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* waiting for any exclusive lock request to complete.
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* This must be done here, before the check of
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* nfsv4root exports by nfsvno_v4rootexport().
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*/
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NFSLOCKV4ROOTMUTEX();
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nfsv4_lock(&NFSD_VNET(nfsd_suspend_lock), 0, NULL,
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NFSV4ROOTLOCKMUTEXPTR, NULL);
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nfsv4_getref(&NFSD_VNET(nfsd_suspend_lock), NULL,
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NFSV4ROOTLOCKMUTEXPTR, NULL);
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NFSUNLOCKV4ROOTMUTEX();
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if ((nd.nd_flag & ND_NFSV4) != 0) {
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nd.nd_repstat = nfsvno_v4rootexport(&nd);
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if (nd.nd_repstat != 0) {
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NFSLOCKV4ROOTMUTEX();
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nfsv4_relref(&NFSD_VNET(nfsd_suspend_lock));
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NFSUNLOCKV4ROOTMUTEX();
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svcerr_weakauth(rqst);
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svc_freereq(rqst);
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m_freem(nd.nd_mrep);
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goto out;
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}
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}
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#ifdef KERN_TLS
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if ((xprt->xp_tls & RPCTLS_FLAGS_HANDSHAKE) != 0 &&
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rpctls_getinfo(&maxlen, false, false))
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nd.nd_maxextsiz = maxlen;
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#endif
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cacherep = nfs_proc(&nd, rqst->rq_xid, xprt, &rp);
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NFSLOCKV4ROOTMUTEX();
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nfsv4_relref(&NFSD_VNET(nfsd_suspend_lock));
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NFSUNLOCKV4ROOTMUTEX();
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} else {
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NFSMGET(nd.nd_mreq);
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nd.nd_mreq->m_len = 0;
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cacherep = RC_REPLY;
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}
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if (nd.nd_mrep != NULL)
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m_freem(nd.nd_mrep);
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if (nd.nd_cred != NULL)
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crfree(nd.nd_cred);
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if (cacherep == RC_DROPIT) {
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if (nd.nd_mreq != NULL)
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m_freem(nd.nd_mreq);
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svc_freereq(rqst);
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goto out;
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}
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if (nd.nd_mreq == NULL) {
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svcerr_decode(rqst);
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svc_freereq(rqst);
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goto out;
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}
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if (nd.nd_repstat & NFSERR_AUTHERR) {
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svcerr_auth(rqst, nd.nd_repstat & ~NFSERR_AUTHERR);
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if (nd.nd_mreq != NULL)
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m_freem(nd.nd_mreq);
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} else if (!svc_sendreply_mbuf(rqst, nd.nd_mreq)) {
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svcerr_systemerr(rqst);
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}
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if (rp != NULL) {
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nfsrvd_sentcache(rp, (rqst->rq_reply_seq != 0 ||
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SVC_ACK(xprt, NULL)), rqst->rq_reply_seq);
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}
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svc_freereq(rqst);
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out:
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free(nd.nd_principal, M_TEMP);
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NFSD_CURVNET_RESTORE();
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ast_kclear(curthread);
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NFSEXITCODE(0);
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}
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/*
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* Check the cache and, optionally, do the RPC.
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* Return the appropriate cache response.
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*/
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static int
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nfs_proc(struct nfsrv_descript *nd, u_int32_t xid, SVCXPRT *xprt,
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struct nfsrvcache **rpp)
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{
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int cacherep = RC_DOIT, isdgram, taglen = -1;
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struct mbuf *m;
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u_char tag[NFSV4_SMALLSTR + 1], *tagstr = NULL;
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u_int32_t minorvers = 0;
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uint32_t ack;
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*rpp = NULL;
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if (nd->nd_nam2 == NULL) {
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nd->nd_flag |= ND_STREAMSOCK;
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isdgram = 0;
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} else {
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isdgram = 1;
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}
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/*
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* Two cases:
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* 1 - For NFSv2 over UDP, if we are near our malloc/mget
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* limit, just drop the request. There is no
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* NFSERR_RESOURCE or NFSERR_DELAY for NFSv2 and the
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* client will timeout/retry over UDP in a little while.
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* 2 - nd_repstat == 0 && nd_mreq == NULL, which
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* means a normal nfs rpc, so check the cache
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*/
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if ((nd->nd_flag & ND_NFSV2) && nd->nd_nam2 != NULL &&
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nfsrv_mallocmget_limit()) {
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cacherep = RC_DROPIT;
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} else {
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/*
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* For NFSv3, play it safe and assume that the client is
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* doing retries on the same TCP connection.
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*/
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if ((nd->nd_flag & (ND_NFSV4 | ND_STREAMSOCK)) ==
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ND_STREAMSOCK)
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nd->nd_flag |= ND_SAMETCPCONN;
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nd->nd_retxid = xid;
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nd->nd_tcpconntime = NFSD_MONOSEC;
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nd->nd_sockref = xprt->xp_sockref;
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if ((nd->nd_flag & ND_NFSV4) != 0)
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nfsd_getminorvers(nd, tag, &tagstr, &taglen,
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&minorvers);
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if ((nd->nd_flag & ND_NFSV41) != 0)
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/* NFSv4.1 caches replies in the session slots. */
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cacherep = RC_DOIT;
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else {
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cacherep = nfsrvd_getcache(nd);
|
|
ack = 0;
|
|
SVC_ACK(xprt, &ack);
|
|
nfsrc_trimcache(xprt->xp_sockref, ack, 0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Handle the request. There are three cases.
|
|
* RC_DOIT - do the RPC
|
|
* RC_REPLY - return the reply already created
|
|
* RC_DROPIT - just throw the request away
|
|
*/
|
|
if (cacherep == RC_DOIT) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
nd->nd_xprt = xprt;
|
|
nfsrvd_dorpc(nd, isdgram, tagstr, taglen, minorvers);
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
if (nd->nd_repstat != NFSERR_REPLYFROMCACHE &&
|
|
(nd->nd_flag & ND_SAVEREPLY) != 0) {
|
|
/* Cache a copy of the reply. */
|
|
m = m_copym(nd->nd_mreq, 0, M_COPYALL,
|
|
M_WAITOK);
|
|
} else
|
|
m = NULL;
|
|
if ((nd->nd_flag & ND_HASSEQUENCE) != 0)
|
|
nfsrv_cache_session(nd, &m);
|
|
if (nd->nd_repstat == NFSERR_REPLYFROMCACHE) {
|
|
nd->nd_repstat = 0;
|
|
if (m != NULL) {
|
|
m_freem(nd->nd_mreq);
|
|
nd->nd_mreq = m;
|
|
}
|
|
}
|
|
cacherep = RC_REPLY;
|
|
} else {
|
|
if (nd->nd_repstat == NFSERR_DONTREPLY)
|
|
cacherep = RC_DROPIT;
|
|
else
|
|
cacherep = RC_REPLY;
|
|
*rpp = nfsrvd_updatecache(nd);
|
|
}
|
|
}
|
|
if (tagstr != NULL && taglen > NFSV4_SMALLSTR)
|
|
free(tagstr, M_TEMP);
|
|
|
|
NFSEXITCODE2(0, nd);
|
|
return (cacherep);
|
|
}
|
|
|
|
static void
|
|
nfssvc_loss(SVCXPRT *xprt)
|
|
{
|
|
uint32_t ack;
|
|
|
|
ack = 0;
|
|
SVC_ACK(xprt, &ack);
|
|
NFSD_CURVNET_SET(NFSD_TD_TO_VNET(curthread));
|
|
nfsrc_trimcache(xprt->xp_sockref, ack, 1);
|
|
NFSD_CURVNET_RESTORE();
|
|
}
|
|
|
|
/*
|
|
* Adds a socket to the list for servicing by nfsds.
|
|
*/
|
|
int
|
|
nfsrvd_addsock(struct file *fp)
|
|
{
|
|
int siz;
|
|
struct socket *so;
|
|
int error = 0;
|
|
SVCXPRT *xprt;
|
|
static u_int64_t sockref = 0;
|
|
|
|
so = fp->f_data;
|
|
|
|
siz = sb_max_adj;
|
|
error = soreserve(so, siz, siz);
|
|
if (error)
|
|
goto out;
|
|
|
|
/*
|
|
* Steal the socket from userland so that it doesn't close
|
|
* unexpectedly.
|
|
*/
|
|
if (so->so_type == SOCK_DGRAM)
|
|
xprt = svc_dg_create(NFSD_VNET(nfsrvd_pool), so, 0, 0);
|
|
else
|
|
xprt = svc_vc_create(NFSD_VNET(nfsrvd_pool), so, 0, 0);
|
|
if (xprt) {
|
|
fp->f_ops = &badfileops;
|
|
fp->f_data = NULL;
|
|
xprt->xp_sockref = ++sockref;
|
|
if (NFSD_VNET(nfs_minvers) == NFS_VER2)
|
|
svc_reg(xprt, NFS_PROG, NFS_VER2, nfssvc_program,
|
|
NULL);
|
|
if (NFSD_VNET(nfs_minvers) <= NFS_VER3 &&
|
|
NFSD_VNET(nfs_maxvers) >= NFS_VER3)
|
|
svc_reg(xprt, NFS_PROG, NFS_VER3, nfssvc_program,
|
|
NULL);
|
|
if (NFSD_VNET(nfs_maxvers) >= NFS_VER4)
|
|
svc_reg(xprt, NFS_PROG, NFS_VER4, nfssvc_program,
|
|
NULL);
|
|
if (so->so_type == SOCK_STREAM)
|
|
svc_loss_reg(xprt, nfssvc_loss);
|
|
SVC_RELEASE(xprt);
|
|
} else
|
|
error = EPERM;
|
|
|
|
out:
|
|
NFSEXITCODE(error);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Called by nfssvc() for nfsds. Just loops around servicing rpc requests
|
|
* until it is killed by a signal.
|
|
*/
|
|
int
|
|
nfsrvd_nfsd(struct thread *td, struct nfsd_nfsd_args *args)
|
|
{
|
|
char principal[MAXHOSTNAMELEN + 5];
|
|
struct proc *p;
|
|
int error = 0;
|
|
bool_t ret2, ret3, ret4;
|
|
|
|
error = copyinstr(args->principal, principal, sizeof (principal),
|
|
NULL);
|
|
if (error)
|
|
goto out;
|
|
|
|
/*
|
|
* Only the first nfsd actually does any work. The RPC code
|
|
* adds threads to it as needed. Any extra processes offered
|
|
* by nfsd just exit. If nfsd is new enough, it will call us
|
|
* once with a structure that specifies how many threads to
|
|
* use.
|
|
*/
|
|
NFSD_LOCK();
|
|
if (NFSD_VNET(nfsrv_numnfsd) == 0) {
|
|
nfsdev_time = time_second;
|
|
p = td->td_proc;
|
|
PROC_LOCK(p);
|
|
p->p_flag2 |= P2_AST_SU;
|
|
PROC_UNLOCK(p);
|
|
newnfs_numnfsd++; /* Total num for all vnets. */
|
|
NFSD_VNET(nfsrv_numnfsd)++; /* Num for this vnet. */
|
|
|
|
NFSD_UNLOCK();
|
|
error = nfsrv_createdevids(args, td);
|
|
if (error == 0) {
|
|
/* An empty string implies AUTH_SYS only. */
|
|
if (principal[0] != '\0') {
|
|
ret2 = rpc_gss_set_svc_name_call(principal,
|
|
"kerberosv5", GSS_C_INDEFINITE, NFS_PROG,
|
|
NFS_VER2);
|
|
ret3 = rpc_gss_set_svc_name_call(principal,
|
|
"kerberosv5", GSS_C_INDEFINITE, NFS_PROG,
|
|
NFS_VER3);
|
|
ret4 = rpc_gss_set_svc_name_call(principal,
|
|
"kerberosv5", GSS_C_INDEFINITE, NFS_PROG,
|
|
NFS_VER4);
|
|
|
|
if (!ret2 || !ret3 || !ret4)
|
|
printf("nfsd: can't register svc "
|
|
"name %s jid:%d\n", principal,
|
|
td->td_ucred->cr_prison->pr_id);
|
|
}
|
|
|
|
NFSD_VNET(nfsrvd_pool)->sp_minthreads =
|
|
args->minthreads;
|
|
NFSD_VNET(nfsrvd_pool)->sp_maxthreads =
|
|
args->maxthreads;
|
|
|
|
/*
|
|
* If this is a pNFS service, make Getattr do a
|
|
* vn_start_write(), so it can do a vn_set_extattr().
|
|
*/
|
|
if (nfsrv_devidcnt > 0) {
|
|
nfsrv_writerpc[NFSPROC_GETATTR] = 1;
|
|
nfsv4_opflag[NFSV4OP_GETATTR].modifyfs = 1;
|
|
}
|
|
|
|
svc_run(NFSD_VNET(nfsrvd_pool));
|
|
|
|
/* Reset Getattr to not do a vn_start_write(). */
|
|
nfsrv_writerpc[NFSPROC_GETATTR] = 0;
|
|
nfsv4_opflag[NFSV4OP_GETATTR].modifyfs = 0;
|
|
|
|
if (principal[0] != '\0') {
|
|
rpc_gss_clear_svc_name_call(NFS_PROG, NFS_VER2);
|
|
rpc_gss_clear_svc_name_call(NFS_PROG, NFS_VER3);
|
|
rpc_gss_clear_svc_name_call(NFS_PROG, NFS_VER4);
|
|
}
|
|
}
|
|
NFSD_LOCK();
|
|
newnfs_numnfsd--;
|
|
NFSD_VNET(nfsrv_numnfsd)--;
|
|
nfsrvd_init(1);
|
|
PROC_LOCK(p);
|
|
p->p_flag2 &= ~P2_AST_SU;
|
|
PROC_UNLOCK(p);
|
|
}
|
|
NFSD_UNLOCK();
|
|
|
|
out:
|
|
NFSEXITCODE(error);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Initialize the data structures for the server.
|
|
* Handshake with any new nfsds starting up to avoid any chance of
|
|
* corruption.
|
|
*/
|
|
void
|
|
nfsrvd_init(int terminating)
|
|
{
|
|
|
|
NFSD_LOCK_ASSERT();
|
|
|
|
if (terminating) {
|
|
NFSD_VNET(nfsd_master_proc) = NULL;
|
|
NFSD_UNLOCK();
|
|
nfsrv_freealllayoutsanddevids();
|
|
nfsrv_freeallbackchannel_xprts();
|
|
svcpool_close(NFSD_VNET(nfsrvd_pool));
|
|
free(nfsrv_zeropnfsdat, M_TEMP);
|
|
nfsrv_zeropnfsdat = NULL;
|
|
NFSD_LOCK();
|
|
} else {
|
|
/* Initialize per-vnet globals once per vnet. */
|
|
if (NFSD_VNET(nfsrvd_inited))
|
|
return;
|
|
NFSD_VNET(nfsrvd_inited) = true;
|
|
NFSD_UNLOCK();
|
|
NFSD_VNET(nfsrvd_pool) = svcpool_create("nfsd",
|
|
SYSCTL_STATIC_CHILDREN(_vfs_nfsd));
|
|
NFSD_VNET(nfsrvd_pool)->sp_rcache = NULL;
|
|
NFSD_VNET(nfsrvd_pool)->sp_assign = fhanew_assign;
|
|
NFSD_VNET(nfsrvd_pool)->sp_done = fhanew_nd_complete;
|
|
NFSD_LOCK();
|
|
}
|
|
}
|