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/* $OpenBSD: mount_nfs.c,v 1.53 2016/05/27 19:45:04 deraadt Exp $ */ |
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/* $NetBSD: mount_nfs.c,v 1.12.4.1 1996/05/25 22:48:05 fvdl Exp $ */ |
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/* |
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* Copyright (c) 1992, 1993, 1994 |
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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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#include <sys/types.h> |
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#include <sys/mount.h> |
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#include <sys/socket.h> |
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#include <sys/socketvar.h> |
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#include <sys/stat.h> |
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#include <syslog.h> |
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#include <rpc/rpc.h> |
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#include <rpc/pmap_clnt.h> |
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#include <rpc/pmap_prot.h> |
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#include <nfs/rpcv2.h> |
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#include <nfs/nfsproto.h> |
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#include <nfs/nfs.h> |
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#include <arpa/inet.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <netdb.h> |
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#include <signal.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <limits.h> |
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#include "mntopts.h" |
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#define ALTF_BG 0x1 |
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#define ALTF_NOCONN 0x2 |
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#define ALTF_DUMBTIMR 0x4 |
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#define ALTF_INTR 0x8 |
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#define ALTF_NFSV3 0x20 |
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#define ALTF_RDIRPLUS 0x40 |
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#define ALTF_MNTUDP 0x80 |
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#define ALTF_RESVPORT 0x100 |
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#define ALTF_SEQPACKET 0x200 |
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#define ALTF_SOFT 0x800 |
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#define ALTF_TCP 0x1000 |
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#define ALTF_PORT 0x2000 |
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#define ALTF_NFSV2 0x4000 |
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#define ALTF_NOAC 0x8000 |
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#define ALTF_ACREGMIN 0x10000 |
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#define ALTF_ACREGMAX 0x20000 |
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#define ALTF_ACDIRMIN 0x40000 |
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#define ALTF_ACDIRMAX 0x80000 |
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const struct mntopt mopts[] = { |
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MOPT_STDOPTS, |
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MOPT_WXALLOWED, |
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MOPT_FORCE, |
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MOPT_UPDATE, |
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MOPT_SYNC, |
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{ "bg", ALTF_BG, 0 }, |
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{ "conn", ALTF_NOCONN, MFLAG_INVERSE }, |
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{ "dumbtimer", ALTF_DUMBTIMR, 0 }, |
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{ "intr", ALTF_INTR, 0 }, |
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{ "nfsv3", ALTF_NFSV3, 0 }, |
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{ "rdirplus", ALTF_RDIRPLUS, 0 }, |
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{ "mntudp", ALTF_MNTUDP, 0 }, |
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{ "resvport", ALTF_RESVPORT, 0 }, |
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{ "soft", ALTF_SOFT, 0 }, |
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{ "tcp", ALTF_TCP, 0 }, |
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{ "port", ALTF_PORT, MFLAG_INTVAL }, |
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{ "nfsv2", ALTF_NFSV2, 0 }, |
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{ "ac", ALTF_NOAC, MFLAG_INVERSE }, |
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{ "acregmin", ALTF_ACREGMIN, MFLAG_INTVAL }, |
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{ "acregmax", ALTF_ACREGMAX, MFLAG_INTVAL }, |
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{ "acdirmin", ALTF_ACDIRMIN, MFLAG_INTVAL }, |
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{ "acdirmax", ALTF_ACDIRMAX, MFLAG_INTVAL }, |
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{ NULL } |
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}; |
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struct nfs_args nfsdefargs = { |
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NFS_ARGSVERSION, |
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NULL, |
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sizeof (struct sockaddr_in), |
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SOCK_DGRAM, |
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0, |
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NULL, |
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0, |
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NFSMNT_NFSV3, |
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NFS_WSIZE, |
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NFS_RSIZE, |
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NFS_READDIRSIZE, |
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10, |
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NFS_RETRANS, |
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NFS_MAXGRPS, |
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NFS_DEFRAHEAD, |
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0, |
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0, |
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NULL, |
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0, |
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0, |
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0, |
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0 |
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}; |
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struct nfhret { |
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u_long stat; |
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long vers; |
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long auth; |
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long fhsize; |
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u_char nfh[NFSX_V3FHMAX]; |
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}; |
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#define DEF_RETRY 10000 |
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#define BGRND 1 |
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#define ISBGRND 2 |
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int retrycnt; |
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int opflags = 0; |
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int nfsproto = IPPROTO_UDP; |
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int mnttcp_ok = 1; |
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u_short port_no = 0; |
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int force2 = 0; |
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int force3 = 0; |
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155 |
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int getnfsargs(char *, struct nfs_args *); |
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void set_rpc_maxgrouplist(int); |
157 |
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__dead void usage(void); |
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int xdr_dir(XDR *, char *); |
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int xdr_fh(XDR *, struct nfhret *); |
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161 |
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int |
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main(int argc, char *argv[]) |
163 |
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{ |
164 |
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int c; |
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struct nfs_args *nfsargsp; |
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struct nfs_args nfsargs; |
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int mntflags, num; |
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char name[PATH_MAX], *options = NULL, *spec; |
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const char *p; |
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union mntval value; |
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retrycnt = DEF_RETRY; |
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mntflags = 0; |
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nfsargs = nfsdefargs; |
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nfsargsp = &nfsargs; |
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while ((c = getopt(argc, argv, |
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"23a:bcdD:g:I:iL:lo:PR:r:sTt:w:x:U")) != -1) |
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switch (c) { |
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case '3': |
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if (force2) |
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errx(1, "-2 and -3 are mutually exclusive"); |
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force3 = 1; |
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break; |
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case '2': |
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if (force3) |
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errx(1, "-2 and -3 are mutually exclusive"); |
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force2 = 1; |
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nfsargsp->flags &= ~NFSMNT_NFSV3; |
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break; |
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case 'a': |
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num = (int) strtonum(optarg, 0, 4, &p); |
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if (p) |
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errx(1, "illegal -a value %s: %s", optarg, p); |
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nfsargsp->readahead = num; |
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nfsargsp->flags |= NFSMNT_READAHEAD; |
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break; |
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case 'b': |
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opflags |= BGRND; |
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break; |
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case 'c': |
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nfsargsp->flags |= NFSMNT_NOCONN; |
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break; |
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case 'D': |
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/* backward compatibility */ |
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break; |
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case 'd': |
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nfsargsp->flags |= NFSMNT_DUMBTIMR; |
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break; |
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case 'g': |
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num = (int) strtonum(optarg, 1, NGROUPS_MAX, &p); |
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if (p) |
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errx(1, "illegal -g value %s: %s", optarg, p); |
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set_rpc_maxgrouplist(num); |
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nfsargsp->maxgrouplist = num; |
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nfsargsp->flags |= NFSMNT_MAXGRPS; |
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break; |
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case 'I': |
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num = (int) strtonum(optarg, 1, INT_MAX, &p); |
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if (p) |
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errx(1, "illegal -I value %s: %s", optarg, p); |
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nfsargsp->readdirsize = num; |
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nfsargsp->flags |= NFSMNT_READDIRSIZE; |
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break; |
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case 'i': |
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nfsargsp->flags |= NFSMNT_INT; |
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break; |
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case 'L': |
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/* backward compatibility */ |
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break; |
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case 'l': |
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nfsargsp->flags |= NFSMNT_RDIRPLUS; |
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break; |
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case 'o': |
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options = optarg; |
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while (options != NULL) { |
237 |
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switch (getmntopt(&options, &value, mopts, |
238 |
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&mntflags)) { |
239 |
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case ALTF_BG: |
240 |
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opflags |= BGRND; |
241 |
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break; |
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case ALTF_NOCONN: |
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nfsargsp->flags |= NFSMNT_NOCONN; |
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break; |
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case ALTF_DUMBTIMR: |
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nfsargsp->flags |= NFSMNT_DUMBTIMR; |
247 |
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break; |
248 |
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case ALTF_INTR: |
249 |
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nfsargsp->flags |= NFSMNT_INT; |
250 |
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break; |
251 |
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case ALTF_NFSV3: |
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if (force2) |
253 |
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errx(1, |
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"conflicting version options"); |
255 |
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force3 = 1; |
256 |
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break; |
257 |
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case ALTF_NFSV2: |
258 |
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if (force3) |
259 |
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errx(1, |
260 |
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"conflicting version options"); |
261 |
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force2 = 1; |
262 |
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nfsargsp->flags &= ~NFSMNT_NFSV3; |
263 |
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break; |
264 |
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case ALTF_RDIRPLUS: |
265 |
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nfsargsp->flags |= NFSMNT_RDIRPLUS; |
266 |
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break; |
267 |
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case ALTF_MNTUDP: |
268 |
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mnttcp_ok = 0; |
269 |
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break; |
270 |
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case ALTF_RESVPORT: |
271 |
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nfsargsp->flags |= NFSMNT_RESVPORT; |
272 |
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break; |
273 |
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case ALTF_SOFT: |
274 |
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nfsargsp->flags |= NFSMNT_SOFT; |
275 |
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break; |
276 |
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case ALTF_TCP: |
277 |
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nfsargsp->sotype = SOCK_STREAM; |
278 |
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nfsproto = IPPROTO_TCP; |
279 |
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break; |
280 |
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case ALTF_PORT: |
281 |
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port_no = value.ival; |
282 |
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break; |
283 |
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case ALTF_NOAC: |
284 |
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nfsargsp->flags |= (NFSMNT_ACREGMIN | |
285 |
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NFSMNT_ACREGMAX | NFSMNT_ACDIRMIN | |
286 |
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NFSMNT_ACDIRMAX); |
287 |
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nfsargsp->acregmin = 0; |
288 |
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nfsargsp->acregmax = 0; |
289 |
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nfsargsp->acdirmin = 0; |
290 |
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nfsargsp->acdirmax = 0; |
291 |
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break; |
292 |
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case ALTF_ACREGMIN: |
293 |
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nfsargsp->flags |= NFSMNT_ACREGMIN; |
294 |
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nfsargsp->acregmin = value.ival; |
295 |
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break; |
296 |
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case ALTF_ACREGMAX: |
297 |
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nfsargsp->flags |= NFSMNT_ACREGMAX; |
298 |
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nfsargsp->acregmax = value.ival; |
299 |
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break; |
300 |
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case ALTF_ACDIRMIN: |
301 |
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nfsargsp->flags |= NFSMNT_ACDIRMIN; |
302 |
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nfsargsp->acdirmin = value.ival; |
303 |
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break; |
304 |
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case ALTF_ACDIRMAX: |
305 |
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nfsargsp->flags |= NFSMNT_ACDIRMAX; |
306 |
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nfsargsp->acdirmax = value.ival; |
307 |
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break; |
308 |
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} |
309 |
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} |
310 |
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break; |
311 |
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case 'P': |
312 |
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/* backward compatibility */ |
313 |
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break; |
314 |
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case 'R': |
315 |
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num = (int) strtonum(optarg, 1, INT_MAX, &p); |
316 |
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if (p) |
317 |
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errx(1, "illegal -R value %s: %s", optarg, p); |
318 |
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retrycnt = num; |
319 |
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break; |
320 |
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case 'r': |
321 |
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num = (int) strtonum(optarg, 1, INT_MAX, &p); |
322 |
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if (p) |
323 |
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errx(1, "illegal -r value %s: %s", optarg, p); |
324 |
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nfsargsp->rsize = num; |
325 |
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nfsargsp->flags |= NFSMNT_RSIZE; |
326 |
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break; |
327 |
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case 's': |
328 |
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nfsargsp->flags |= NFSMNT_SOFT; |
329 |
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break; |
330 |
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case 'T': |
331 |
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nfsargsp->sotype = SOCK_STREAM; |
332 |
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nfsproto = IPPROTO_TCP; |
333 |
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break; |
334 |
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case 't': |
335 |
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num = (int) strtonum(optarg, 1, INT_MAX, &p); |
336 |
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if (p) |
337 |
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errx(1, "illegal -t value %s: %s", optarg, p); |
338 |
|
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nfsargsp->timeo = num; |
339 |
|
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nfsargsp->flags |= NFSMNT_TIMEO; |
340 |
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break; |
341 |
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case 'w': |
342 |
|
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num = (int) strtonum(optarg, 1, INT_MAX, &p); |
343 |
|
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if (p) |
344 |
|
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errx(1, "illegal -w value %s: %s", optarg, p); |
345 |
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nfsargsp->wsize = num; |
346 |
|
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nfsargsp->flags |= NFSMNT_WSIZE; |
347 |
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break; |
348 |
|
|
case 'x': |
349 |
|
|
num = (int) strtonum(optarg, 1, INT_MAX, &p); |
350 |
|
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if (p) |
351 |
|
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errx(1, "illegal -x value %s: %s", optarg, p); |
352 |
|
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nfsargsp->retrans = num; |
353 |
|
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nfsargsp->flags |= NFSMNT_RETRANS; |
354 |
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break; |
355 |
|
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case 'U': |
356 |
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mnttcp_ok = 0; |
357 |
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break; |
358 |
|
|
default: |
359 |
|
|
usage(); |
360 |
|
|
/* NOTREACHED */ |
361 |
|
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} |
362 |
|
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argc -= optind; |
363 |
|
|
argv += optind; |
364 |
|
|
|
365 |
|
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if (argc != 2) |
366 |
|
|
usage(); |
367 |
|
|
|
368 |
|
|
spec = *argv++; |
369 |
|
|
if (realpath(*argv, name) == NULL) |
370 |
|
|
err(1, "realpath %s", *argv); |
371 |
|
|
|
372 |
|
|
if (!getnfsargs(spec, nfsargsp)) |
373 |
|
|
exit(1); |
374 |
|
|
if (mount(MOUNT_NFS, name, mntflags, nfsargsp)) { |
375 |
|
|
if (errno == EOPNOTSUPP) |
376 |
|
|
errx(1, "%s: Filesystem not supported by kernel", name); |
377 |
|
|
else |
378 |
|
|
err(1, "%s", name); |
379 |
|
|
} |
380 |
|
|
exit(0); |
381 |
|
|
} |
382 |
|
|
|
383 |
|
|
int |
384 |
|
|
getnfsargs(char *spec, struct nfs_args *nfsargsp) |
385 |
|
|
{ |
386 |
|
|
CLIENT *clp; |
387 |
|
|
struct hostent *hp; |
388 |
|
|
static struct sockaddr_in saddr; |
389 |
|
|
struct timeval pertry, try; |
390 |
|
|
enum clnt_stat clnt_stat; |
391 |
|
|
int so = RPC_ANYSOCK, i, nfsvers, mntvers, orgcnt; |
392 |
|
|
char *hostp, *delimp; |
393 |
|
|
u_short tport; |
394 |
|
|
static struct nfhret nfhret; |
395 |
|
|
static char nam[MNAMELEN + 1]; |
396 |
|
|
|
397 |
|
|
if (strlcpy(nam, spec, sizeof(nam)) >= sizeof(nam)) { |
398 |
|
|
errx(1, "hostname too long"); |
399 |
|
|
} |
400 |
|
|
|
401 |
|
|
if ((delimp = strchr(spec, '@')) != NULL) { |
402 |
|
|
hostp = delimp + 1; |
403 |
|
|
} else if ((delimp = strchr(spec, ':')) != NULL) { |
404 |
|
|
hostp = spec; |
405 |
|
|
spec = delimp + 1; |
406 |
|
|
} else { |
407 |
|
|
warnx("no <host>:<dirpath> or <dirpath>@<host> spec"); |
408 |
|
|
return (0); |
409 |
|
|
} |
410 |
|
|
*delimp = '\0'; |
411 |
|
|
|
412 |
|
|
/* |
413 |
|
|
* Handle an internet host address |
414 |
|
|
*/ |
415 |
|
|
if (inet_aton(hostp, &saddr.sin_addr) == 0) { |
416 |
|
|
hp = gethostbyname(hostp); |
417 |
|
|
if (hp == NULL) { |
418 |
|
|
warnx("can't resolve address for host %s", hostp); |
419 |
|
|
return (0); |
420 |
|
|
} |
421 |
|
|
memcpy(&saddr.sin_addr, hp->h_addr, hp->h_length); |
422 |
|
|
} |
423 |
|
|
|
424 |
|
|
if (force2) { |
425 |
|
|
nfsvers = NFS_VER2; |
426 |
|
|
mntvers = RPCMNT_VER1; |
427 |
|
|
} else { |
428 |
|
|
nfsvers = NFS_VER3; |
429 |
|
|
mntvers = RPCMNT_VER3; |
430 |
|
|
} |
431 |
|
|
orgcnt = retrycnt; |
432 |
|
|
tryagain: |
433 |
|
|
nfhret.stat = EACCES; /* Mark not yet successful */ |
434 |
|
|
while (retrycnt > 0) { |
435 |
|
|
saddr.sin_family = AF_INET; |
436 |
|
|
saddr.sin_port = htons(PMAPPORT); |
437 |
|
|
if ((tport = port_no ? port_no : pmap_getport(&saddr, |
438 |
|
|
RPCPROG_NFS, nfsvers, nfsargsp->sotype == SOCK_STREAM ? |
439 |
|
|
IPPROTO_TCP : IPPROTO_UDP)) == 0) { |
440 |
|
|
if ((opflags & ISBGRND) == 0) |
441 |
|
|
clnt_pcreateerror("NFS Portmap"); |
442 |
|
|
} else { |
443 |
|
|
saddr.sin_port = 0; |
444 |
|
|
pertry.tv_sec = 10; |
445 |
|
|
pertry.tv_usec = 0; |
446 |
|
|
if (mnttcp_ok && nfsargsp->sotype == SOCK_STREAM) |
447 |
|
|
clp = clnttcp_create(&saddr, RPCPROG_MNT, mntvers, |
448 |
|
|
&so, 0, 0); |
449 |
|
|
else |
450 |
|
|
clp = clntudp_create(&saddr, RPCPROG_MNT, mntvers, |
451 |
|
|
pertry, &so); |
452 |
|
|
if (clp == NULL) { |
453 |
|
|
if ((opflags & ISBGRND) == 0) |
454 |
|
|
clnt_pcreateerror("Cannot MNT RPC"); |
455 |
|
|
} else { |
456 |
|
|
clp->cl_auth = authunix_create_default(); |
457 |
|
|
try.tv_sec = 10; |
458 |
|
|
try.tv_usec = 0; |
459 |
|
|
nfhret.auth = RPCAUTH_UNIX; |
460 |
|
|
nfhret.vers = mntvers; |
461 |
|
|
clnt_stat = clnt_call(clp, RPCMNT_MOUNT, |
462 |
|
|
xdr_dir, spec, xdr_fh, &nfhret, try); |
463 |
|
|
if (clnt_stat != RPC_SUCCESS) { |
464 |
|
|
if (clnt_stat == RPC_PROGVERSMISMATCH) { |
465 |
|
|
if (nfsvers == NFS_VER3 && |
466 |
|
|
!force3) { |
467 |
|
|
retrycnt = orgcnt; |
468 |
|
|
nfsvers = NFS_VER2; |
469 |
|
|
mntvers = RPCMNT_VER1; |
470 |
|
|
nfsargsp->flags &= |
471 |
|
|
~NFSMNT_NFSV3; |
472 |
|
|
goto tryagain; |
473 |
|
|
} else { |
474 |
|
|
warnx("%s", |
475 |
|
|
clnt_sperror(clp, |
476 |
|
|
"MNT RPC")); |
477 |
|
|
} |
478 |
|
|
} |
479 |
|
|
if ((opflags & ISBGRND) == 0) |
480 |
|
|
warnx("%s", clnt_sperror(clp, |
481 |
|
|
"bad MNT RPC")); |
482 |
|
|
} else { |
483 |
|
|
auth_destroy(clp->cl_auth); |
484 |
|
|
clnt_destroy(clp); |
485 |
|
|
retrycnt = 0; |
486 |
|
|
} |
487 |
|
|
} |
488 |
|
|
} |
489 |
|
|
if (--retrycnt > 0) { |
490 |
|
|
if (opflags & BGRND) { |
491 |
|
|
opflags &= ~BGRND; |
492 |
|
|
if ((i = fork())) { |
493 |
|
|
if (i == -1) |
494 |
|
|
err(1, "fork"); |
495 |
|
|
exit(0); |
496 |
|
|
} |
497 |
|
|
(void) setsid(); |
498 |
|
|
(void) close(STDIN_FILENO); |
499 |
|
|
(void) close(STDOUT_FILENO); |
500 |
|
|
(void) close(STDERR_FILENO); |
501 |
|
|
(void) chdir("/"); |
502 |
|
|
opflags |= ISBGRND; |
503 |
|
|
} |
504 |
|
|
sleep(60); |
505 |
|
|
} |
506 |
|
|
} |
507 |
|
|
if (nfhret.stat) { |
508 |
|
|
if (opflags & ISBGRND) |
509 |
|
|
exit(1); |
510 |
|
|
warnc(nfhret.stat, "can't access %s", spec); |
511 |
|
|
return (0); |
512 |
|
|
} |
513 |
|
|
saddr.sin_port = htons(tport); |
514 |
|
|
nfsargsp->addr = (struct sockaddr *) &saddr; |
515 |
|
|
nfsargsp->addrlen = sizeof (saddr); |
516 |
|
|
nfsargsp->fh = nfhret.nfh; |
517 |
|
|
nfsargsp->fhsize = nfhret.fhsize; |
518 |
|
|
nfsargsp->hostname = nam; |
519 |
|
|
return (1); |
520 |
|
|
} |
521 |
|
|
|
522 |
|
|
/* |
523 |
|
|
* xdr routines for mount rpc's |
524 |
|
|
*/ |
525 |
|
|
int |
526 |
|
|
xdr_dir(XDR *xdrsp, char *dirp) |
527 |
|
|
{ |
528 |
|
|
return (xdr_string(xdrsp, &dirp, RPCMNT_PATHLEN)); |
529 |
|
|
} |
530 |
|
|
|
531 |
|
|
int |
532 |
|
|
xdr_fh(XDR *xdrsp, struct nfhret *np) |
533 |
|
|
{ |
534 |
|
|
int i; |
535 |
|
|
long auth, authcnt, authfnd = 0; |
536 |
|
|
|
537 |
|
|
if (!xdr_u_long(xdrsp, &np->stat)) |
538 |
|
|
return (0); |
539 |
|
|
if (np->stat) |
540 |
|
|
return (1); |
541 |
|
|
switch (np->vers) { |
542 |
|
|
case 1: |
543 |
|
|
np->fhsize = NFSX_V2FH; |
544 |
|
|
return (xdr_opaque(xdrsp, (caddr_t)np->nfh, NFSX_V2FH)); |
545 |
|
|
case 3: |
546 |
|
|
if (!xdr_long(xdrsp, &np->fhsize)) |
547 |
|
|
return (0); |
548 |
|
|
if (np->fhsize <= 0 || np->fhsize > NFSX_V3FHMAX) |
549 |
|
|
return (0); |
550 |
|
|
if (!xdr_opaque(xdrsp, (caddr_t)np->nfh, np->fhsize)) |
551 |
|
|
return (0); |
552 |
|
|
if (!xdr_long(xdrsp, &authcnt)) |
553 |
|
|
return (0); |
554 |
|
|
for (i = 0; i < authcnt; i++) { |
555 |
|
|
if (!xdr_long(xdrsp, &auth)) |
556 |
|
|
return (0); |
557 |
|
|
if (auth == np->auth) |
558 |
|
|
authfnd++; |
559 |
|
|
} |
560 |
|
|
/* |
561 |
|
|
* Some servers, such as DEC's OSF/1 return a nil authenticator |
562 |
|
|
* list to indicate RPCAUTH_UNIX. |
563 |
|
|
*/ |
564 |
|
|
if (!authfnd && (authcnt > 0 || np->auth != RPCAUTH_UNIX)) |
565 |
|
|
np->stat = EAUTH; |
566 |
|
|
return (1); |
567 |
|
|
}; |
568 |
|
|
return (0); |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
__dead void |
572 |
|
|
usage(void) |
573 |
|
|
{ |
574 |
|
|
extern char *__progname; |
575 |
|
|
|
576 |
|
|
(void)fprintf(stderr, |
577 |
|
|
"usage: %s [-23bcdilsTU] [-a maxreadahead] [-g maxgroups]\n" |
578 |
|
|
"\t[-I readdirsize] [-o options] [-R retrycnt] [-r readsize]\n" |
579 |
|
|
"\t[-t timeout] [-w writesize] [-x retrans] rhost:path node\n", |
580 |
|
|
__progname); |
581 |
|
|
exit(1); |
582 |
|
|
} |