18a16b7a1SPedro F. Giffuni /*- 28a16b7a1SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 38a16b7a1SPedro F. Giffuni * 48fae3551SRodney W. Grimes * Copyright (c) 1992, 1993, 1994 58fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 68fae3551SRodney W. Grimes * 78fae3551SRodney W. Grimes * This code is derived from software contributed to Berkeley by 88fae3551SRodney W. Grimes * Rick Macklem at The University of Guelph. 98fae3551SRodney W. Grimes * 108fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 118fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 128fae3551SRodney W. Grimes * are met: 138fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 148fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 158fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 168fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 178fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 18fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 198fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 208fae3551SRodney W. Grimes * without specific prior written permission. 218fae3551SRodney W. Grimes * 228fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 238fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 248fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 258fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 268fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 278fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 288fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 298fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 308fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 318fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 328fae3551SRodney W. Grimes * SUCH DAMAGE. 338fae3551SRodney W. Grimes */ 348fae3551SRodney W. Grimes 35c69284caSDavid E. O'Brien #if 0 368fae3551SRodney W. Grimes #ifndef lint 3746fc8f78SPhilippe Charnier static const char copyright[] = 388fae3551SRodney W. Grimes "@(#) Copyright (c) 1992, 1993, 1994\n\ 398fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 408fae3551SRodney W. Grimes #endif /* not lint */ 418fae3551SRodney W. Grimes 428fae3551SRodney W. Grimes #ifndef lint 434a4c5285SPeter Wemm static char sccsid[] = "@(#)mount_nfs.c 8.11 (Berkeley) 5/4/95"; 448fae3551SRodney W. Grimes #endif /* not lint */ 45c69284caSDavid E. O'Brien #endif 46c69284caSDavid E. O'Brien #include <sys/cdefs.h> 47c69284caSDavid E. O'Brien __FBSDID("$FreeBSD$"); 488fae3551SRodney W. Grimes 498fae3551SRodney W. Grimes #include <sys/param.h> 50011981fdSRick Macklem #include <sys/linker.h> 51011981fdSRick Macklem #include <sys/module.h> 528fae3551SRodney W. Grimes #include <sys/mount.h> 538360efbdSAlfred Perlstein #include <sys/socket.h> 548fae3551SRodney W. Grimes #include <sys/stat.h> 558fae3551SRodney W. Grimes #include <sys/syslog.h> 56c5aa1dc8SCraig Rodrigues #include <sys/uio.h> 578fae3551SRodney W. Grimes 588fae3551SRodney W. Grimes #include <rpc/rpc.h> 598fae3551SRodney W. Grimes #include <rpc/pmap_clnt.h> 608fae3551SRodney W. Grimes #include <rpc/pmap_prot.h> 610775314bSDoug Rabson #include <rpcsvc/nfs_prot.h> 620775314bSDoug Rabson #include <rpcsvc/mount.h> 638fae3551SRodney W. Grimes 6456c049a0SRick Macklem #include <fs/nfs/nfsproto.h> 6556c049a0SRick Macklem #include <fs/nfs/nfsv4_errstr.h> 668fae3551SRodney W. Grimes 678fae3551SRodney W. Grimes #include <arpa/inet.h> 688cd9718fSGleb Smirnoff #include <net/route.h> 698cd9718fSGleb Smirnoff #include <net/if.h> 708fae3551SRodney W. Grimes 718fae3551SRodney W. Grimes #include <ctype.h> 728fae3551SRodney W. Grimes #include <err.h> 738fae3551SRodney W. Grimes #include <errno.h> 748360efbdSAlfred Perlstein #include <fcntl.h> 758fae3551SRodney W. Grimes #include <netdb.h> 768fae3551SRodney W. Grimes #include <stdio.h> 778fae3551SRodney W. Grimes #include <stdlib.h> 78c04affffSMatthew N. Dodd #include <string.h> 798fae3551SRodney W. Grimes #include <strings.h> 805e074e31SGarrett Wollman #include <sysexits.h> 818fae3551SRodney W. Grimes #include <unistd.h> 828fae3551SRodney W. Grimes 838fae3551SRodney W. Grimes #include "mntopts.h" 84a69497d7SMatthew Dillon #include "mounttab.h" 858fae3551SRodney W. Grimes 86a3d8f94bSIan Dowse /* Table for af,sotype -> netid conversions. */ 876575d184SEdward Tomasz Napierala static struct nc_protos { 884b5bc283SCraig Rodrigues const char *netid; 89a3d8f94bSIan Dowse int af; 90a3d8f94bSIan Dowse int sotype; 91a3d8f94bSIan Dowse } nc_protos[] = { 92a3d8f94bSIan Dowse {"udp", AF_INET, SOCK_DGRAM}, 93a3d8f94bSIan Dowse {"tcp", AF_INET, SOCK_STREAM}, 94a3d8f94bSIan Dowse {"udp6", AF_INET6, SOCK_DGRAM}, 95a3d8f94bSIan Dowse {"tcp6", AF_INET6, SOCK_STREAM}, 96b535b298SCraig Rodrigues {NULL, 0, 0} 97a3d8f94bSIan Dowse }; 98a3d8f94bSIan Dowse 998fae3551SRodney W. Grimes struct nfhret { 1008fae3551SRodney W. Grimes u_long stat; 101a62dc406SDoug Rabson long vers; 102a62dc406SDoug Rabson long auth; 103a62dc406SDoug Rabson long fhsize; 1040775314bSDoug Rabson u_char nfh[NFS3_FHSIZE]; 1058fae3551SRodney W. Grimes }; 1068fae3551SRodney W. Grimes #define BGRND 1 1078fae3551SRodney W. Grimes #define ISBGRND 2 108302f15f9SMatthew N. Dodd #define OF_NOINET4 4 109302f15f9SMatthew N. Dodd #define OF_NOINET6 8 1106575d184SEdward Tomasz Napierala static int retrycnt = -1; 1116575d184SEdward Tomasz Napierala static int opflags = 0; 1126575d184SEdward Tomasz Napierala static int nfsproto = IPPROTO_TCP; 1136575d184SEdward Tomasz Napierala static int mnttcp_ok = 1; 1146575d184SEdward Tomasz Napierala static int noconn = 0; 1156575d184SEdward Tomasz Napierala /* The 'portspec' is the server nfs port; NULL means look up via rpcbind. */ 1166575d184SEdward Tomasz Napierala static const char *portspec = NULL; 1176575d184SEdward Tomasz Napierala static struct sockaddr *addr; 1186575d184SEdward Tomasz Napierala static int addrlen = 0; 1196575d184SEdward Tomasz Napierala static u_char *fh = NULL; 1206575d184SEdward Tomasz Napierala static int fhsize = 0; 1216575d184SEdward Tomasz Napierala static int secflavor = -1; 1226575d184SEdward Tomasz Napierala static int got_principal = 0; 1234b5bc283SCraig Rodrigues 1246575d184SEdward Tomasz Napierala static enum mountmode { 1252cd1c32cSDoug Rabson ANY, 1262cd1c32cSDoug Rabson V2, 1270c269d1fSCraig Rodrigues V3, 128011981fdSRick Macklem V4 1292cd1c32cSDoug Rabson } mountmode = ANY; 1308fae3551SRodney W. Grimes 131317d5933SIan Dowse /* Return codes for nfs_tryproto. */ 132317d5933SIan Dowse enum tryret { 133317d5933SIan Dowse TRYRET_SUCCESS, 134317d5933SIan Dowse TRYRET_TIMEOUT, /* No response received. */ 135317d5933SIan Dowse TRYRET_REMOTEERR, /* Error received from remote server. */ 136317d5933SIan Dowse TRYRET_LOCALERR /* Local failure. */ 137317d5933SIan Dowse }; 138317d5933SIan Dowse 1396575d184SEdward Tomasz Napierala static int sec_name_to_num(const char *sec); 1406575d184SEdward Tomasz Napierala static const char *sec_num_to_name(int num); 141b352972bSXin LI static int getnfsargs(char *, struct iovec **iov, int *iovlen); 14285429990SWarner Losh /* void set_rpc_maxgrouplist(int); */ 143b352972bSXin LI static struct netconfig *getnetconf_cached(const char *netid); 144b352972bSXin LI static const char *netidbytype(int af, int sotype); 145b352972bSXin LI static void usage(void) __dead2; 146b352972bSXin LI static int xdr_dir(XDR *, char *); 147b352972bSXin LI static int xdr_fh(XDR *, struct nfhret *); 148b352972bSXin LI static enum tryret nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, 1494b5bc283SCraig Rodrigues char **errstr, struct iovec **iov, int *iovlen); 150b352972bSXin LI static enum tryret returncode(enum clnt_stat stat, struct rpc_err *rpcerr); 1518fae3551SRodney W. Grimes 1528fae3551SRodney W. Grimes int 15333924ad4SWarner Losh main(int argc, char *argv[]) 1548fae3551SRodney W. Grimes { 1553d438ad6SDavid E. O'Brien int c; 156c5aa1dc8SCraig Rodrigues struct iovec *iov; 1577039dfb3SJung-uk Kim int num, iovlen; 1586575d184SEdward Tomasz Napierala char *mntname, *p, *spec, *tmp; 159a6b26402SCraig Rodrigues char mntpath[MAXPATHLEN], errmsg[255]; 1606575d184SEdward Tomasz Napierala char hostname[MAXHOSTNAMELEN + 1], gssn[MAXHOSTNAMELEN + 50]; 16156c049a0SRick Macklem const char *gssname, *nmount_errstr; 1628fae3551SRodney W. Grimes 163c5aa1dc8SCraig Rodrigues iov = NULL; 164c5aa1dc8SCraig Rodrigues iovlen = 0; 165a6b26402SCraig Rodrigues memset(errmsg, 0, sizeof(errmsg)); 166011981fdSRick Macklem gssname = NULL; 167c5aa1dc8SCraig Rodrigues 1688fae3551SRodney W. Grimes while ((c = getopt(argc, argv, 16986ce6a83SRobert Watson "23a:bcdD:g:I:iLlNo:PR:r:sTt:w:x:U")) != -1) 1708fae3551SRodney W. Grimes switch (c) { 1712cd1c32cSDoug Rabson case '2': 1722cd1c32cSDoug Rabson mountmode = V2; 1732cd1c32cSDoug Rabson break; 174a62dc406SDoug Rabson case '3': 1752cd1c32cSDoug Rabson mountmode = V3; 176a62dc406SDoug Rabson break; 1778fae3551SRodney W. Grimes case 'a': 178baa0988aSJaakko Heinonen printf("-a deprecated, use -o readahead=<value>\n"); 1794b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readahead", optarg, (size_t)-1); 1808fae3551SRodney W. Grimes break; 1818fae3551SRodney W. Grimes case 'b': 1828fae3551SRodney W. Grimes opflags |= BGRND; 1838fae3551SRodney W. Grimes break; 1848fae3551SRodney W. Grimes case 'c': 1854b5bc283SCraig Rodrigues printf("-c deprecated, use -o noconn\n"); 1864b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noconn", NULL, 0); 1874b5bc283SCraig Rodrigues noconn = 1; 1888fae3551SRodney W. Grimes break; 1898fae3551SRodney W. Grimes case 'D': 1904b5bc283SCraig Rodrigues printf("-D deprecated, use -o deadthresh=<value>\n"); 1914b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "deadthresh", optarg, (size_t)-1); 1928fae3551SRodney W. Grimes break; 1938fae3551SRodney W. Grimes case 'd': 1944b5bc283SCraig Rodrigues printf("-d deprecated, use -o dumbtimer"); 1954b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "dumbtimer", NULL, 0); 1968fae3551SRodney W. Grimes break; 1978fae3551SRodney W. Grimes case 'g': 1984b5bc283SCraig Rodrigues printf("-g deprecated, use -o maxgroups"); 1998fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 2008fae3551SRodney W. Grimes if (*p || num <= 0) 2018fae3551SRodney W. Grimes errx(1, "illegal -g value -- %s", optarg); 2024b5bc283SCraig Rodrigues //set_rpc_maxgrouplist(num); 2034b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "maxgroups", optarg, (size_t)-1); 2048fae3551SRodney W. Grimes break; 205a62dc406SDoug Rabson case 'I': 2064b5bc283SCraig Rodrigues printf("-I deprecated, use -o readdirsize=<value>\n"); 2074b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readdirsize", optarg, (size_t)-1); 208a62dc406SDoug Rabson break; 2098fae3551SRodney W. Grimes case 'i': 2104b5bc283SCraig Rodrigues printf("-i deprecated, use -o intr\n"); 2114b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "intr", NULL, 0); 2128fae3551SRodney W. Grimes break; 21313190d87SAlfred Perlstein case 'L': 214d97326d0SSimon L. B. Nielsen printf("-L deprecated, use -o nolockd\n"); 2154b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "nolockd", NULL, 0); 21613190d87SAlfred Perlstein break; 2178fae3551SRodney W. Grimes case 'l': 2184b5bc283SCraig Rodrigues printf("-l deprecated, -o rdirplus\n"); 2194b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rdirplus", NULL, 0); 2208fae3551SRodney W. Grimes break; 221cc75b131SJoerg Wunsch case 'N': 2224b5bc283SCraig Rodrigues printf("-N deprecated, do not specify -o resvport\n"); 223cc75b131SJoerg Wunsch break; 2244b5bc283SCraig Rodrigues case 'o': { 2254b5bc283SCraig Rodrigues int pass_flag_to_nmount; 2264b5bc283SCraig Rodrigues char *opt = optarg; 2274b5bc283SCraig Rodrigues while (opt) { 2284b5bc283SCraig Rodrigues char *pval = NULL; 2294b5bc283SCraig Rodrigues char *pnextopt = NULL; 2306575d184SEdward Tomasz Napierala const char *val = ""; 2314b5bc283SCraig Rodrigues pass_flag_to_nmount = 1; 2324b5bc283SCraig Rodrigues pnextopt = strchr(opt, ','); 233bdb40379SJaakko Heinonen if (pnextopt != NULL) { 234bdb40379SJaakko Heinonen *pnextopt = '\0'; 235bdb40379SJaakko Heinonen pnextopt++; 236bdb40379SJaakko Heinonen } 237bdb40379SJaakko Heinonen pval = strchr(opt, '='); 2384b5bc283SCraig Rodrigues if (pval != NULL) { 2394b5bc283SCraig Rodrigues *pval = '\0'; 2404b5bc283SCraig Rodrigues val = pval + 1; 2414b5bc283SCraig Rodrigues } 2424b5bc283SCraig Rodrigues if (strcmp(opt, "bg") == 0) { 2433fa88decSGarrett Wollman opflags |= BGRND; 2444b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2454b5bc283SCraig Rodrigues } else if (strcmp(opt, "fg") == 0) { 2464b5bc283SCraig Rodrigues /* same as not specifying -o bg */ 2474b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 248011981fdSRick Macklem } else if (strcmp(opt, "gssname") == 0) { 249011981fdSRick Macklem pass_flag_to_nmount = 0; 250011981fdSRick Macklem gssname = val; 2514b5bc283SCraig Rodrigues } else if (strcmp(opt, "mntudp") == 0) { 252a62dc406SDoug Rabson mnttcp_ok = 0; 253bf005f32SKris Kennaway nfsproto = IPPROTO_UDP; 2544b5bc283SCraig Rodrigues } else if (strcmp(opt, "udp") == 0) { 2554b5bc283SCraig Rodrigues nfsproto = IPPROTO_UDP; 2564b5bc283SCraig Rodrigues } else if (strcmp(opt, "tcp") == 0) { 257a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 2584b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet4") == 0) { 2594b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2604b5bc283SCraig Rodrigues opflags |= OF_NOINET4; 2614b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet6") == 0) { 2624b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2634b5bc283SCraig Rodrigues opflags |= OF_NOINET6; 2644b5bc283SCraig Rodrigues } else if (strcmp(opt, "noconn") == 0) { 2654b5bc283SCraig Rodrigues noconn = 1; 2664b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv2") == 0) { 2674b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2684b5bc283SCraig Rodrigues mountmode = V2; 2694b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv3") == 0) { 2704b5bc283SCraig Rodrigues mountmode = V3; 271011981fdSRick Macklem } else if (strcmp(opt, "nfsv4") == 0) { 272011981fdSRick Macklem pass_flag_to_nmount=0; 273011981fdSRick Macklem mountmode = V4; 274011981fdSRick Macklem nfsproto = IPPROTO_TCP; 275011981fdSRick Macklem if (portspec == NULL) 276011981fdSRick Macklem portspec = "2049"; 2774b5bc283SCraig Rodrigues } else if (strcmp(opt, "port") == 0) { 2784b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2796575d184SEdward Tomasz Napierala asprintf(&tmp, "%d", atoi(val)); 2806575d184SEdward Tomasz Napierala if (tmp == NULL) 281317d5933SIan Dowse err(1, "asprintf"); 2826575d184SEdward Tomasz Napierala portspec = tmp; 283011981fdSRick Macklem } else if (strcmp(opt, "principal") == 0) { 284011981fdSRick Macklem got_principal = 1; 2855a06ac35SEdward Tomasz Napierala } else if (strcmp(opt, "proto") == 0) { 2865a06ac35SEdward Tomasz Napierala pass_flag_to_nmount=0; 2875a06ac35SEdward Tomasz Napierala if (strcmp(val, "tcp") == 0) { 2885a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_TCP; 2895a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET6; 2905a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 2915a06ac35SEdward Tomasz Napierala "tcp", NULL, 0); 2925a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "udp") == 0) { 2935a06ac35SEdward Tomasz Napierala mnttcp_ok = 0; 2945a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_UDP; 2955a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET6; 2965a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 2975a06ac35SEdward Tomasz Napierala "udp", NULL, 0); 2985a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "tcp6") == 0) { 2995a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_TCP; 3005a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET4; 3015a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 3025a06ac35SEdward Tomasz Napierala "tcp", NULL, 0); 3035a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "udp6") == 0) { 3045a06ac35SEdward Tomasz Napierala mnttcp_ok = 0; 3055a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_UDP; 3065a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET4; 3075a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 3085a06ac35SEdward Tomasz Napierala "udp", NULL, 0); 3095a06ac35SEdward Tomasz Napierala } else { 3105a06ac35SEdward Tomasz Napierala errx(1, 3115a06ac35SEdward Tomasz Napierala "illegal proto value -- %s", 3125a06ac35SEdward Tomasz Napierala val); 3135a06ac35SEdward Tomasz Napierala } 314a9148abdSDoug Rabson } else if (strcmp(opt, "sec") == 0) { 315a9148abdSDoug Rabson /* 316a9148abdSDoug Rabson * Don't add this option to 317a9148abdSDoug Rabson * the iovec yet - we will 318a9148abdSDoug Rabson * negotiate which sec flavor 319a9148abdSDoug Rabson * to use with the remote 320a9148abdSDoug Rabson * mountd. 321a9148abdSDoug Rabson */ 322a9148abdSDoug Rabson pass_flag_to_nmount=0; 323a9148abdSDoug Rabson secflavor = sec_name_to_num(val); 324a9148abdSDoug Rabson if (secflavor < 0) { 325a9148abdSDoug Rabson errx(1, 326a9148abdSDoug Rabson "illegal sec value -- %s", 327a9148abdSDoug Rabson val); 328a9148abdSDoug Rabson } 3294b5bc283SCraig Rodrigues } else if (strcmp(opt, "retrycnt") == 0) { 3304b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 3314b5bc283SCraig Rodrigues num = strtol(val, &p, 10); 3324b5bc283SCraig Rodrigues if (*p || num < 0) 3334b5bc283SCraig Rodrigues errx(1, "illegal retrycnt value -- %s", val); 3344b5bc283SCraig Rodrigues retrycnt = num; 3354b5bc283SCraig Rodrigues } else if (strcmp(opt, "maxgroups") == 0) { 3364b5bc283SCraig Rodrigues num = strtol(val, &p, 10); 3374b5bc283SCraig Rodrigues if (*p || num <= 0) 3384b5bc283SCraig Rodrigues errx(1, "illegal maxgroups value -- %s", val); 3394b5bc283SCraig Rodrigues //set_rpc_maxgrouplist(num); 340528c159fSBjoern A. Zeeb } else if (strcmp(opt, "vers") == 0) { 341528c159fSBjoern A. Zeeb num = strtol(val, &p, 10); 342528c159fSBjoern A. Zeeb if (*p || num <= 0) 343528c159fSBjoern A. Zeeb errx(1, "illegal vers value -- " 344528c159fSBjoern A. Zeeb "%s", val); 345528c159fSBjoern A. Zeeb switch (num) { 346528c159fSBjoern A. Zeeb case 2: 347528c159fSBjoern A. Zeeb mountmode = V2; 348528c159fSBjoern A. Zeeb break; 349528c159fSBjoern A. Zeeb case 3: 350528c159fSBjoern A. Zeeb mountmode = V3; 351528c159fSBjoern A. Zeeb build_iovec(&iov, &iovlen, 352528c159fSBjoern A. Zeeb "nfsv3", NULL, 0); 353528c159fSBjoern A. Zeeb break; 354528c159fSBjoern A. Zeeb case 4: 355528c159fSBjoern A. Zeeb mountmode = V4; 356528c159fSBjoern A. Zeeb nfsproto = IPPROTO_TCP; 357528c159fSBjoern A. Zeeb if (portspec == NULL) 358528c159fSBjoern A. Zeeb portspec = "2049"; 359528c159fSBjoern A. Zeeb break; 360528c159fSBjoern A. Zeeb default: 361528c159fSBjoern A. Zeeb errx(1, "illegal nfs version " 362528c159fSBjoern A. Zeeb "value -- %s", val); 363528c159fSBjoern A. Zeeb } 364528c159fSBjoern A. Zeeb pass_flag_to_nmount=0; 365317d5933SIan Dowse } 3666575d184SEdward Tomasz Napierala if (pass_flag_to_nmount) { 3676575d184SEdward Tomasz Napierala build_iovec(&iov, &iovlen, opt, 3686575d184SEdward Tomasz Napierala __DECONST(void *, val), 3694b5bc283SCraig Rodrigues strlen(val) + 1); 3706575d184SEdward Tomasz Napierala } 3714b5bc283SCraig Rodrigues opt = pnextopt; 3724db56604SPeter Wemm } 3734db56604SPeter Wemm } 3748fae3551SRodney W. Grimes break; 3758fae3551SRodney W. Grimes case 'P': 3764b5bc283SCraig Rodrigues /* obsolete for -o noresvport now default */ 3774b5bc283SCraig Rodrigues printf("-P deprecated, use -o noresvport\n"); 3784b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noresvport", NULL, 0); 3798fae3551SRodney W. Grimes break; 3808fae3551SRodney W. Grimes case 'R': 3814b5bc283SCraig Rodrigues printf("-R deprecated, use -o retrycnt=<retrycnt>\n"); 3828fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 383e16873daSIan Dowse if (*p || num < 0) 3848fae3551SRodney W. Grimes errx(1, "illegal -R value -- %s", optarg); 3858fae3551SRodney W. Grimes retrycnt = num; 3868fae3551SRodney W. Grimes break; 3878fae3551SRodney W. Grimes case 'r': 3884b5bc283SCraig Rodrigues printf("-r deprecated, use -o rsize=<rsize>\n"); 3894b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rsize", optarg, (size_t)-1); 3908fae3551SRodney W. Grimes break; 3918fae3551SRodney W. Grimes case 's': 3924b5bc283SCraig Rodrigues printf("-s deprecated, use -o soft\n"); 3934b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "soft", NULL, 0); 3948fae3551SRodney W. Grimes break; 3958fae3551SRodney W. Grimes case 'T': 396a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 3974b5bc283SCraig Rodrigues printf("-T deprecated, use -o tcp\n"); 3988fae3551SRodney W. Grimes break; 3998fae3551SRodney W. Grimes case 't': 4004b5bc283SCraig Rodrigues printf("-t deprecated, use -o timeout=<value>\n"); 4014b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "timeout", optarg, (size_t)-1); 4028fae3551SRodney W. Grimes break; 4038fae3551SRodney W. Grimes case 'w': 4044b5bc283SCraig Rodrigues printf("-w deprecated, use -o wsize=<value>\n"); 4054b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "wsize", optarg, (size_t)-1); 4068fae3551SRodney W. Grimes break; 4078fae3551SRodney W. Grimes case 'x': 4084b5bc283SCraig Rodrigues printf("-x deprecated, use -o retrans=<value>\n"); 4094b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "retrans", optarg, (size_t)-1); 4108fae3551SRodney W. Grimes break; 411a62dc406SDoug Rabson case 'U': 4124b5bc283SCraig Rodrigues printf("-U deprecated, use -o mntudp\n"); 413a62dc406SDoug Rabson mnttcp_ok = 0; 4140c269d1fSCraig Rodrigues nfsproto = IPPROTO_UDP; 4154b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "mntudp", NULL, 0); 416a62dc406SDoug Rabson break; 4178fae3551SRodney W. Grimes default: 4188fae3551SRodney W. Grimes usage(); 4198fae3551SRodney W. Grimes break; 4208fae3551SRodney W. Grimes } 4218fae3551SRodney W. Grimes argc -= optind; 4228fae3551SRodney W. Grimes argv += optind; 4238fae3551SRodney W. Grimes 4244a4c5285SPeter Wemm if (argc != 2) { 4252f21d07aSDavid Greenman usage(); 4264a4c5285SPeter Wemm /* NOTREACHED */ 4274a4c5285SPeter Wemm } 4288fae3551SRodney W. Grimes 4298fae3551SRodney W. Grimes spec = *argv++; 4306575d184SEdward Tomasz Napierala mntname = *argv; 4318fae3551SRodney W. Grimes 432e16873daSIan Dowse if (retrycnt == -1) 4332bc53e11SIan Dowse /* The default is to keep retrying forever. */ 4342bc53e11SIan Dowse retrycnt = 0; 4350c269d1fSCraig Rodrigues 436011981fdSRick Macklem if (modfind("nfscl") < 0) { 437011981fdSRick Macklem /* Not present in kernel, try loading it */ 438011981fdSRick Macklem if (kldload("nfscl") < 0 || 439011981fdSRick Macklem modfind("nfscl") < 0) 440011981fdSRick Macklem errx(1, "nfscl is not available"); 441011981fdSRick Macklem } 442011981fdSRick Macklem 443011981fdSRick Macklem /* 444011981fdSRick Macklem * Add the fqdn to the gssname, as required. 445011981fdSRick Macklem */ 446011981fdSRick Macklem if (gssname != NULL) { 447011981fdSRick Macklem if (strchr(gssname, '@') == NULL && 448011981fdSRick Macklem gethostname(hostname, MAXHOSTNAMELEN) == 0) { 449011981fdSRick Macklem snprintf(gssn, sizeof (gssn), "%s@%s", gssname, 450011981fdSRick Macklem hostname); 451011981fdSRick Macklem gssname = gssn; 452011981fdSRick Macklem } 4536575d184SEdward Tomasz Napierala build_iovec(&iov, &iovlen, "gssname", 4546575d184SEdward Tomasz Napierala __DECONST(void *, gssname), strlen(gssname) + 1); 455011981fdSRick Macklem } 456011981fdSRick Macklem 4574b5bc283SCraig Rodrigues if (!getnfsargs(spec, &iov, &iovlen)) 4588fae3551SRodney W. Grimes exit(1); 459d599144dSGarrett Wollman 46073dd3167SPoul-Henning Kamp /* resolve the mountpoint with realpath(3) */ 4616575d184SEdward Tomasz Napierala if (checkpath(mntname, mntpath) != 0) 462d3250014SJaakko Heinonen err(1, "%s", mntpath); 46373dd3167SPoul-Henning Kamp 46425585679SBrooks Davis build_iovec_argf(&iov, &iovlen, "fstype", "nfs"); 465c5aa1dc8SCraig Rodrigues build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1); 466a6b26402SCraig Rodrigues build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg)); 467c5aa1dc8SCraig Rodrigues 46856c049a0SRick Macklem if (nmount(iov, iovlen, 0)) { 46956c049a0SRick Macklem nmount_errstr = nfsv4_geterrstr(errno); 47056c049a0SRick Macklem if (mountmode == V4 && nmount_errstr != NULL) 47156c049a0SRick Macklem errx(1, "nmount: %s, %s", mntpath, nmount_errstr); 47256c049a0SRick Macklem else 473773e5651SConrad Meyer err(1, "nmount: %s%s%s", mntpath, errmsg[0] ? ", " : "", 474773e5651SConrad Meyer errmsg); 47556c049a0SRick Macklem } 476a62dc406SDoug Rabson 4778fae3551SRodney W. Grimes exit(0); 4788fae3551SRodney W. Grimes } 4798fae3551SRodney W. Grimes 4804b5bc283SCraig Rodrigues static int 4816575d184SEdward Tomasz Napierala sec_name_to_num(const char *sec) 482a9148abdSDoug Rabson { 483a9148abdSDoug Rabson if (!strcmp(sec, "krb5")) 484a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5); 485a9148abdSDoug Rabson if (!strcmp(sec, "krb5i")) 486a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5I); 487a9148abdSDoug Rabson if (!strcmp(sec, "krb5p")) 488a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5P); 489a9148abdSDoug Rabson if (!strcmp(sec, "sys")) 490a9148abdSDoug Rabson return (AUTH_SYS); 491a9148abdSDoug Rabson return (-1); 492a9148abdSDoug Rabson } 493a9148abdSDoug Rabson 4946575d184SEdward Tomasz Napierala static const char * 495a9148abdSDoug Rabson sec_num_to_name(int flavor) 496a9148abdSDoug Rabson { 497a9148abdSDoug Rabson switch (flavor) { 498a9148abdSDoug Rabson case RPCSEC_GSS_KRB5: 499a9148abdSDoug Rabson return ("krb5"); 500a9148abdSDoug Rabson case RPCSEC_GSS_KRB5I: 501a9148abdSDoug Rabson return ("krb5i"); 502a9148abdSDoug Rabson case RPCSEC_GSS_KRB5P: 503a9148abdSDoug Rabson return ("krb5p"); 504a9148abdSDoug Rabson case AUTH_SYS: 505a9148abdSDoug Rabson return ("sys"); 506a9148abdSDoug Rabson } 507a9148abdSDoug Rabson return (NULL); 508a9148abdSDoug Rabson } 509a9148abdSDoug Rabson 5108cd9718fSGleb Smirnoff /* 5118cd9718fSGleb Smirnoff * Wait for RTM_IFINFO message with interface that is IFF_UP and with 5128cd9718fSGleb Smirnoff * link on, or until timeout expires. Returns seconds left. 5138cd9718fSGleb Smirnoff */ 5148cd9718fSGleb Smirnoff static time_t 5158cd9718fSGleb Smirnoff rtm_ifinfo_sleep(time_t sec) 5168cd9718fSGleb Smirnoff { 5173f16af55SGleb Smirnoff char buf[2048] __aligned(__alignof(struct if_msghdr)); 5188cd9718fSGleb Smirnoff fd_set rfds; 5198cd9718fSGleb Smirnoff struct timeval tv, start; 5208cd9718fSGleb Smirnoff ssize_t nread; 5218cd9718fSGleb Smirnoff int n, s; 5228cd9718fSGleb Smirnoff 5238cd9718fSGleb Smirnoff s = socket(PF_ROUTE, SOCK_RAW, 0); 5248cd9718fSGleb Smirnoff if (s < 0) 5258cd9718fSGleb Smirnoff err(EX_OSERR, "socket"); 5268cd9718fSGleb Smirnoff (void)gettimeofday(&start, NULL); 5278cd9718fSGleb Smirnoff 5288cd9718fSGleb Smirnoff for (tv.tv_sec = sec, tv.tv_usec = 0; 5298cd9718fSGleb Smirnoff tv.tv_sec > 0; 5308cd9718fSGleb Smirnoff (void)gettimeofday(&tv, NULL), 5318cd9718fSGleb Smirnoff tv.tv_sec = sec - (tv.tv_sec - start.tv_sec)) { 5328cd9718fSGleb Smirnoff FD_ZERO(&rfds); 5338cd9718fSGleb Smirnoff FD_SET(s, &rfds); 5348cd9718fSGleb Smirnoff n = select(s + 1, &rfds, NULL, NULL, &tv); 5358cd9718fSGleb Smirnoff if (n == 0) 5368cd9718fSGleb Smirnoff continue; 5378cd9718fSGleb Smirnoff if (n == -1) { 5388cd9718fSGleb Smirnoff if (errno == EINTR) 5398cd9718fSGleb Smirnoff continue; 5408cd9718fSGleb Smirnoff else 5418cd9718fSGleb Smirnoff err(EX_SOFTWARE, "select"); 5428cd9718fSGleb Smirnoff } 5438cd9718fSGleb Smirnoff nread = read(s, buf, 2048); 5448cd9718fSGleb Smirnoff if (nread < 0) 5458cd9718fSGleb Smirnoff err(EX_OSERR, "read"); 5468cd9718fSGleb Smirnoff if ((size_t)nread >= sizeof(struct if_msghdr)) { 5478cd9718fSGleb Smirnoff struct if_msghdr *ifm; 5488cd9718fSGleb Smirnoff 5498cd9718fSGleb Smirnoff ifm = (struct if_msghdr *)buf; 5508cd9718fSGleb Smirnoff if (ifm->ifm_version == RTM_VERSION && 5518cd9718fSGleb Smirnoff ifm->ifm_type == RTM_IFINFO && 5528cd9718fSGleb Smirnoff (ifm->ifm_flags & IFF_UP) && 5538cd9718fSGleb Smirnoff ifm->ifm_data.ifi_link_state != LINK_STATE_DOWN) 5548cd9718fSGleb Smirnoff break; 5558cd9718fSGleb Smirnoff } 5568cd9718fSGleb Smirnoff } 5578cd9718fSGleb Smirnoff 5588cd9718fSGleb Smirnoff close(s); 5598cd9718fSGleb Smirnoff 5608cd9718fSGleb Smirnoff return (tv.tv_sec); 5618cd9718fSGleb Smirnoff } 5628cd9718fSGleb Smirnoff 563b352972bSXin LI static int 5644b5bc283SCraig Rodrigues getnfsargs(char *spec, struct iovec **iov, int *iovlen) 5658fae3551SRodney W. Grimes { 5668360efbdSAlfred Perlstein struct addrinfo hints, *ai_nfs, *ai; 567317d5933SIan Dowse enum tryret ret; 568a505d435SHajimu UMEMOTO int ecode, speclen, remoteerr, offset, have_bracket = 0; 569317d5933SIan Dowse char *hostp, *delimp, *errstr; 57066a84ea7SBrian Feldman size_t len; 571011981fdSRick Macklem static char nam[MNAMELEN + 1], pname[MAXHOSTNAMELEN + 5]; 5728fae3551SRodney W. Grimes 573a505d435SHajimu UMEMOTO if (*spec == '[' && (delimp = strchr(spec + 1, ']')) != NULL && 574a505d435SHajimu UMEMOTO *(delimp + 1) == ':') { 575a505d435SHajimu UMEMOTO hostp = spec + 1; 576a505d435SHajimu UMEMOTO spec = delimp + 2; 577a505d435SHajimu UMEMOTO have_bracket = 1; 578a505d435SHajimu UMEMOTO } else if ((delimp = strrchr(spec, ':')) != NULL) { 5798fae3551SRodney W. Grimes hostp = spec; 5808fae3551SRodney W. Grimes spec = delimp + 1; 58173dd3167SPoul-Henning Kamp } else if ((delimp = strrchr(spec, '@')) != NULL) { 58273dd3167SPoul-Henning Kamp warnx("path@server syntax is deprecated, use server:path"); 58373dd3167SPoul-Henning Kamp hostp = delimp + 1; 5848fae3551SRodney W. Grimes } else { 58573dd3167SPoul-Henning Kamp warnx("no <host>:<dirpath> nfs-name"); 5868fae3551SRodney W. Grimes return (0); 5878fae3551SRodney W. Grimes } 5888fae3551SRodney W. Grimes *delimp = '\0'; 58973dd3167SPoul-Henning Kamp 59073dd3167SPoul-Henning Kamp /* 59173dd3167SPoul-Henning Kamp * If there has been a trailing slash at mounttime it seems 59273dd3167SPoul-Henning Kamp * that some mountd implementations fail to remove the mount 59373dd3167SPoul-Henning Kamp * entries from their mountlist while unmounting. 59473dd3167SPoul-Henning Kamp */ 59566a84ea7SBrian Feldman for (speclen = strlen(spec); 59666a84ea7SBrian Feldman speclen > 1 && spec[speclen - 1] == '/'; 59766a84ea7SBrian Feldman speclen--) 59873dd3167SPoul-Henning Kamp spec[speclen - 1] = '\0'; 59973dd3167SPoul-Henning Kamp if (strlen(hostp) + strlen(spec) + 1 > MNAMELEN) { 60073dd3167SPoul-Henning Kamp warnx("%s:%s: %s", hostp, spec, strerror(ENAMETOOLONG)); 60173dd3167SPoul-Henning Kamp return (0); 60273dd3167SPoul-Henning Kamp } 60373dd3167SPoul-Henning Kamp /* Make both '@' and ':' notations equal */ 60466a84ea7SBrian Feldman if (*hostp != '\0') { 60566a84ea7SBrian Feldman len = strlen(hostp); 606a505d435SHajimu UMEMOTO offset = 0; 607a505d435SHajimu UMEMOTO if (have_bracket) 608a505d435SHajimu UMEMOTO nam[offset++] = '['; 609a505d435SHajimu UMEMOTO memmove(nam + offset, hostp, len); 610a505d435SHajimu UMEMOTO if (have_bracket) 611a505d435SHajimu UMEMOTO nam[len + offset++] = ']'; 612a505d435SHajimu UMEMOTO nam[len + offset++] = ':'; 613a505d435SHajimu UMEMOTO memmove(nam + len + offset, spec, speclen); 614a505d435SHajimu UMEMOTO nam[len + speclen + offset] = '\0'; 61566a84ea7SBrian Feldman } 6168fae3551SRodney W. Grimes 6178fae3551SRodney W. Grimes /* 61891196234SPeter Wemm * Handle an internet host address. 6198fae3551SRodney W. Grimes */ 6208360efbdSAlfred Perlstein memset(&hints, 0, sizeof hints); 6218360efbdSAlfred Perlstein hints.ai_flags = AI_NUMERICHOST; 6224b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 6234b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_STREAM; 6244b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 6254b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_DGRAM; 6264b5bc283SCraig Rodrigues 62791196234SPeter Wemm if (getaddrinfo(hostp, portspec, &hints, &ai_nfs) != 0) { 628011981fdSRick Macklem hints.ai_flags = AI_CANONNAME; 629317d5933SIan Dowse if ((ecode = getaddrinfo(hostp, portspec, &hints, &ai_nfs)) 630317d5933SIan Dowse != 0) { 631317d5933SIan Dowse if (portspec == NULL) 632317d5933SIan Dowse errx(1, "%s: %s", hostp, gai_strerror(ecode)); 633317d5933SIan Dowse else 634317d5933SIan Dowse errx(1, "%s:%s: %s", hostp, portspec, 6358360efbdSAlfred Perlstein gai_strerror(ecode)); 6368360efbdSAlfred Perlstein return (0); 6378360efbdSAlfred Perlstein } 638011981fdSRick Macklem 639011981fdSRick Macklem /* 640011981fdSRick Macklem * For a Kerberized nfs mount where the "principal" 641011981fdSRick Macklem * argument has not been set, add it here. 642011981fdSRick Macklem */ 643c088e62eSRick Macklem if (got_principal == 0 && secflavor != AUTH_SYS && 644c088e62eSRick Macklem ai_nfs->ai_canonname != NULL) { 645011981fdSRick Macklem snprintf(pname, sizeof (pname), "nfs@%s", 646011981fdSRick Macklem ai_nfs->ai_canonname); 647011981fdSRick Macklem build_iovec(iov, iovlen, "principal", pname, 648011981fdSRick Macklem strlen(pname) + 1); 649011981fdSRick Macklem } 6508360efbdSAlfred Perlstein } 6518fae3551SRodney W. Grimes 652317d5933SIan Dowse ret = TRYRET_LOCALERR; 653e16873daSIan Dowse for (;;) { 654deffdffaSAndrey A. Chernov /* 655317d5933SIan Dowse * Try each entry returned by getaddrinfo(). Note the 6564b85a12fSUlrich Spörlein * occurrence of remote errors by setting `remoteerr'. 657deffdffaSAndrey A. Chernov */ 658317d5933SIan Dowse remoteerr = 0; 659317d5933SIan Dowse for (ai = ai_nfs; ai != NULL; ai = ai->ai_next) { 660302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET6) && 661302f15f9SMatthew N. Dodd (opflags & OF_NOINET6)) 662302f15f9SMatthew N. Dodd continue; 663302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET) && 664302f15f9SMatthew N. Dodd (opflags & OF_NOINET4)) 665302f15f9SMatthew N. Dodd continue; 6664b5bc283SCraig Rodrigues ret = nfs_tryproto(ai, hostp, spec, &errstr, iov, 6674b5bc283SCraig Rodrigues iovlen); 668317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 669317d5933SIan Dowse break; 670317d5933SIan Dowse if (ret != TRYRET_LOCALERR) 671317d5933SIan Dowse remoteerr = 1; 672317d5933SIan Dowse if ((opflags & ISBGRND) == 0) 673317d5933SIan Dowse fprintf(stderr, "%s\n", errstr); 674deffdffaSAndrey A. Chernov } 675317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 676317d5933SIan Dowse break; 677deffdffaSAndrey A. Chernov 678e16873daSIan Dowse /* Exit if all errors were local. */ 679e16873daSIan Dowse if (!remoteerr) 680deffdffaSAndrey A. Chernov exit(1); 681317d5933SIan Dowse 682e16873daSIan Dowse /* 683e16873daSIan Dowse * If retrycnt == 0, we are to keep retrying forever. 684e16873daSIan Dowse * Otherwise decrement it, and exit if it hits zero. 685e16873daSIan Dowse */ 686e16873daSIan Dowse if (retrycnt != 0 && --retrycnt == 0) 687317d5933SIan Dowse exit(1); 688317d5933SIan Dowse 689317d5933SIan Dowse if ((opflags & (BGRND | ISBGRND)) == BGRND) { 690317d5933SIan Dowse warnx("Cannot immediately mount %s:%s, backgrounding", 691317d5933SIan Dowse hostp, spec); 692317d5933SIan Dowse opflags |= ISBGRND; 693317d5933SIan Dowse if (daemon(0, 0) != 0) 694317d5933SIan Dowse err(1, "daemon"); 6958fae3551SRodney W. Grimes } 6968cd9718fSGleb Smirnoff /* 6978cd9718fSGleb Smirnoff * If rtm_ifinfo_sleep() returns non-zero, don't count 6988cd9718fSGleb Smirnoff * that as a retry attempt. 6998cd9718fSGleb Smirnoff */ 7008cd9718fSGleb Smirnoff if (rtm_ifinfo_sleep(60) && retrycnt != 0) 7018cd9718fSGleb Smirnoff retrycnt++; 7028fae3551SRodney W. Grimes } 7038360efbdSAlfred Perlstein freeaddrinfo(ai_nfs); 7044b5bc283SCraig Rodrigues 7054b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "hostname", nam, (size_t)-1); 706a69497d7SMatthew Dillon /* Add mounted file system to PATH_MOUNTTAB */ 70713622763SRick Macklem if (mountmode != V4 && !add_mtab(hostp, spec)) 708a69497d7SMatthew Dillon warnx("can't update %s for %s:%s", PATH_MOUNTTAB, hostp, spec); 7098fae3551SRodney W. Grimes return (1); 7108fae3551SRodney W. Grimes } 7118fae3551SRodney W. Grimes 7128fae3551SRodney W. Grimes /* 713317d5933SIan Dowse * Try to set up the NFS arguments according to the address 714317d5933SIan Dowse * family, protocol (and possibly port) specified in `ai'. 715317d5933SIan Dowse * 716317d5933SIan Dowse * Returns TRYRET_SUCCESS if successful, or: 717317d5933SIan Dowse * TRYRET_TIMEOUT The server did not respond. 718317d5933SIan Dowse * TRYRET_REMOTEERR The server reported an error. 719317d5933SIan Dowse * TRYRET_LOCALERR Local failure. 720317d5933SIan Dowse * 721317d5933SIan Dowse * In all error cases, *errstr will be set to a statically-allocated string 722317d5933SIan Dowse * describing the error. 723317d5933SIan Dowse */ 724b352972bSXin LI static enum tryret 7254b5bc283SCraig Rodrigues nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, char **errstr, 7264b5bc283SCraig Rodrigues struct iovec **iov, int *iovlen) 727317d5933SIan Dowse { 728317d5933SIan Dowse static char errbuf[256]; 729317d5933SIan Dowse struct sockaddr_storage nfs_ss; 730317d5933SIan Dowse struct netbuf nfs_nb; 731317d5933SIan Dowse struct nfhret nfhret; 732317d5933SIan Dowse struct timeval try; 733317d5933SIan Dowse struct rpc_err rpcerr; 734317d5933SIan Dowse CLIENT *clp; 735317d5933SIan Dowse struct netconfig *nconf, *nconf_mnt; 7366575d184SEdward Tomasz Napierala const char *netid, *netid_mnt, *secname; 7374b5bc283SCraig Rodrigues int doconnect, nfsvers, mntvers, sotype; 7386575d184SEdward Tomasz Napierala enum clnt_stat clntstat; 739317d5933SIan Dowse enum mountmode trymntmode; 740317d5933SIan Dowse 741d0654c85SKevin Lo sotype = 0; 742317d5933SIan Dowse trymntmode = mountmode; 743317d5933SIan Dowse errbuf[0] = '\0'; 744317d5933SIan Dowse *errstr = errbuf; 745317d5933SIan Dowse 7464b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 7474b5bc283SCraig Rodrigues sotype = SOCK_STREAM; 7484b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 7494b5bc283SCraig Rodrigues sotype = SOCK_DGRAM; 7504b5bc283SCraig Rodrigues 7514b5bc283SCraig Rodrigues if ((netid = netidbytype(ai->ai_family, sotype)) == NULL) { 752a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 7534b5bc283SCraig Rodrigues "af %d sotype %d not supported", ai->ai_family, sotype); 754a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 755a3d8f94bSIan Dowse } 756a3d8f94bSIan Dowse if ((nconf = getnetconf_cached(netid)) == NULL) { 757317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid, nc_sperror()); 758317d5933SIan Dowse return (TRYRET_LOCALERR); 759317d5933SIan Dowse } 760317d5933SIan Dowse /* The RPCPROG_MNT netid may be different. */ 761317d5933SIan Dowse if (mnttcp_ok) { 762ba33efd9SIan Dowse netid_mnt = netid; 763317d5933SIan Dowse nconf_mnt = nconf; 764317d5933SIan Dowse } else { 765a3d8f94bSIan Dowse if ((netid_mnt = netidbytype(ai->ai_family, SOCK_DGRAM)) 766a3d8f94bSIan Dowse == NULL) { 767a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 768a3d8f94bSIan Dowse "af %d sotype SOCK_DGRAM not supported", 769a3d8f94bSIan Dowse ai->ai_family); 770a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 771a3d8f94bSIan Dowse } 772a3d8f94bSIan Dowse if ((nconf_mnt = getnetconf_cached(netid_mnt)) == NULL) { 773ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid_mnt, 774317d5933SIan Dowse nc_sperror()); 775317d5933SIan Dowse return (TRYRET_LOCALERR); 776317d5933SIan Dowse } 777317d5933SIan Dowse } 778317d5933SIan Dowse 779317d5933SIan Dowse tryagain: 780011981fdSRick Macklem if (trymntmode == V4) { 781011981fdSRick Macklem nfsvers = 4; 7826575d184SEdward Tomasz Napierala mntvers = 3; /* Workaround for GCC. */ 783011981fdSRick Macklem } else if (trymntmode == V2) { 784317d5933SIan Dowse nfsvers = 2; 785317d5933SIan Dowse mntvers = 1; 786317d5933SIan Dowse } else { 787317d5933SIan Dowse nfsvers = 3; 788317d5933SIan Dowse mntvers = 3; 789317d5933SIan Dowse } 790317d5933SIan Dowse 791317d5933SIan Dowse if (portspec != NULL) { 792317d5933SIan Dowse /* `ai' contains the complete nfsd sockaddr. */ 793317d5933SIan Dowse nfs_nb.buf = ai->ai_addr; 794317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = ai->ai_addrlen; 795317d5933SIan Dowse } else { 796317d5933SIan Dowse /* Ask the remote rpcbind. */ 797317d5933SIan Dowse nfs_nb.buf = &nfs_ss; 798317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = sizeof nfs_ss; 799317d5933SIan Dowse 8000775314bSDoug Rabson if (!rpcb_getaddr(NFS_PROGRAM, nfsvers, nconf, &nfs_nb, 801317d5933SIan Dowse hostp)) { 802317d5933SIan Dowse if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH && 803317d5933SIan Dowse trymntmode == ANY) { 804317d5933SIan Dowse trymntmode = V2; 805317d5933SIan Dowse goto tryagain; 806317d5933SIan Dowse } 807317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", 808317d5933SIan Dowse netid, hostp, spec, 809317d5933SIan Dowse clnt_spcreateerror("RPCPROG_NFS")); 810317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 811317d5933SIan Dowse &rpc_createerr.cf_error)); 812317d5933SIan Dowse } 813317d5933SIan Dowse } 814317d5933SIan Dowse 815317d5933SIan Dowse /* Check that the server (nfsd) responds on the port we have chosen. */ 8160775314bSDoug Rabson clp = clnt_tli_create(RPC_ANYFD, nconf, &nfs_nb, NFS_PROGRAM, nfsvers, 817317d5933SIan Dowse 0, 0); 818317d5933SIan Dowse if (clp == NULL) { 819317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 820317d5933SIan Dowse hostp, spec, clnt_spcreateerror("nfsd: RPCPROG_NFS")); 821317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 822317d5933SIan Dowse &rpc_createerr.cf_error)); 823317d5933SIan Dowse } 8244b5bc283SCraig Rodrigues if (sotype == SOCK_DGRAM && noconn == 0) { 825eca1c24eSIan Dowse /* 826eca1c24eSIan Dowse * Use connect(), to match what the kernel does. This 827eca1c24eSIan Dowse * catches cases where the server responds from the 828eca1c24eSIan Dowse * wrong source address. 829eca1c24eSIan Dowse */ 830eca1c24eSIan Dowse doconnect = 1; 831eca1c24eSIan Dowse if (!clnt_control(clp, CLSET_CONNECT, (char *)&doconnect)) { 832eca1c24eSIan Dowse clnt_destroy(clp); 833eca1c24eSIan Dowse snprintf(errbuf, sizeof errbuf, 834eca1c24eSIan Dowse "[%s] %s:%s: CLSET_CONNECT failed", netid, hostp, 835eca1c24eSIan Dowse spec); 836eca1c24eSIan Dowse return (TRYRET_LOCALERR); 837eca1c24eSIan Dowse } 838eca1c24eSIan Dowse } 839eca1c24eSIan Dowse 840317d5933SIan Dowse try.tv_sec = 10; 841317d5933SIan Dowse try.tv_usec = 0; 8426575d184SEdward Tomasz Napierala clntstat = clnt_call(clp, NFSPROC_NULL, (xdrproc_t)xdr_void, NULL, 843011981fdSRick Macklem (xdrproc_t)xdr_void, NULL, try); 8446575d184SEdward Tomasz Napierala if (clntstat != RPC_SUCCESS) { 8456575d184SEdward Tomasz Napierala if (clntstat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 846317d5933SIan Dowse clnt_destroy(clp); 847317d5933SIan Dowse trymntmode = V2; 848317d5933SIan Dowse goto tryagain; 849317d5933SIan Dowse } 850317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 851317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 852317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "NFSPROC_NULL")); 853317d5933SIan Dowse clnt_destroy(clp); 8546575d184SEdward Tomasz Napierala return (returncode(clntstat, &rpcerr)); 855317d5933SIan Dowse } 856317d5933SIan Dowse clnt_destroy(clp); 857317d5933SIan Dowse 858011981fdSRick Macklem /* 859011981fdSRick Macklem * For NFSv4, there is no mount protocol. 860011981fdSRick Macklem */ 861011981fdSRick Macklem if (trymntmode == V4) { 862011981fdSRick Macklem /* 863011981fdSRick Macklem * Store the server address in nfsargsp, making 864011981fdSRick Macklem * sure to copy any locally allocated structures. 865011981fdSRick Macklem */ 866011981fdSRick Macklem addrlen = nfs_nb.len; 867011981fdSRick Macklem addr = malloc(addrlen); 868011981fdSRick Macklem if (addr == NULL) 869011981fdSRick Macklem err(1, "malloc"); 870011981fdSRick Macklem bcopy(nfs_nb.buf, addr, addrlen); 871011981fdSRick Macklem 872011981fdSRick Macklem build_iovec(iov, iovlen, "addr", addr, addrlen); 873011981fdSRick Macklem secname = sec_num_to_name(secflavor); 8746575d184SEdward Tomasz Napierala if (secname != NULL) { 8756575d184SEdward Tomasz Napierala build_iovec(iov, iovlen, "sec", 8766575d184SEdward Tomasz Napierala __DECONST(void *, secname), (size_t)-1); 8776575d184SEdward Tomasz Napierala } 878011981fdSRick Macklem build_iovec(iov, iovlen, "nfsv4", NULL, 0); 879011981fdSRick Macklem build_iovec(iov, iovlen, "dirpath", spec, (size_t)-1); 880011981fdSRick Macklem 881011981fdSRick Macklem return (TRYRET_SUCCESS); 882011981fdSRick Macklem } 883011981fdSRick Macklem 8840775314bSDoug Rabson /* Send the MOUNTPROC_MNT RPC to get the root filehandle. */ 885317d5933SIan Dowse try.tv_sec = 10; 886317d5933SIan Dowse try.tv_usec = 0; 8870775314bSDoug Rabson clp = clnt_tp_create(hostp, MOUNTPROG, mntvers, nconf_mnt); 888317d5933SIan Dowse if (clp == NULL) { 889ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 890317d5933SIan Dowse hostp, spec, clnt_spcreateerror("RPCMNT: clnt_create")); 891317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 892317d5933SIan Dowse &rpc_createerr.cf_error)); 893317d5933SIan Dowse } 894317d5933SIan Dowse clp->cl_auth = authsys_create_default(); 895a9148abdSDoug Rabson nfhret.auth = secflavor; 896317d5933SIan Dowse nfhret.vers = mntvers; 8976575d184SEdward Tomasz Napierala clntstat = clnt_call(clp, MOUNTPROC_MNT, (xdrproc_t)xdr_dir, spec, 898c04affffSMatthew N. Dodd (xdrproc_t)xdr_fh, &nfhret, 899317d5933SIan Dowse try); 900317d5933SIan Dowse auth_destroy(clp->cl_auth); 9016575d184SEdward Tomasz Napierala if (clntstat != RPC_SUCCESS) { 9026575d184SEdward Tomasz Napierala if (clntstat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 903317d5933SIan Dowse clnt_destroy(clp); 904317d5933SIan Dowse trymntmode = V2; 905317d5933SIan Dowse goto tryagain; 906317d5933SIan Dowse } 907317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 908ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 909317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "RPCPROG_MNT")); 910317d5933SIan Dowse clnt_destroy(clp); 9116575d184SEdward Tomasz Napierala return (returncode(clntstat, &rpcerr)); 912317d5933SIan Dowse } 913317d5933SIan Dowse clnt_destroy(clp); 914317d5933SIan Dowse 915317d5933SIan Dowse if (nfhret.stat != 0) { 916ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 917317d5933SIan Dowse hostp, spec, strerror(nfhret.stat)); 918317d5933SIan Dowse return (TRYRET_REMOTEERR); 919317d5933SIan Dowse } 920317d5933SIan Dowse 921317d5933SIan Dowse /* 922317d5933SIan Dowse * Store the filehandle and server address in nfsargsp, making 923317d5933SIan Dowse * sure to copy any locally allocated structures. 924317d5933SIan Dowse */ 9254b5bc283SCraig Rodrigues addrlen = nfs_nb.len; 9264b5bc283SCraig Rodrigues addr = malloc(addrlen); 9274b5bc283SCraig Rodrigues fhsize = nfhret.fhsize; 9284b5bc283SCraig Rodrigues fh = malloc(fhsize); 9294b5bc283SCraig Rodrigues if (addr == NULL || fh == NULL) 930317d5933SIan Dowse err(1, "malloc"); 9314b5bc283SCraig Rodrigues bcopy(nfs_nb.buf, addr, addrlen); 9324b5bc283SCraig Rodrigues bcopy(nfhret.nfh, fh, fhsize); 933317d5933SIan Dowse 9344b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "addr", addr, addrlen); 9354b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "fh", fh, fhsize); 936a9148abdSDoug Rabson secname = sec_num_to_name(nfhret.auth); 9376575d184SEdward Tomasz Napierala if (secname) { 9386575d184SEdward Tomasz Napierala build_iovec(iov, iovlen, "sec", 9396575d184SEdward Tomasz Napierala __DECONST(void *, secname), (size_t)-1); 9406575d184SEdward Tomasz Napierala } 941317d5933SIan Dowse if (nfsvers == 3) 9424b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "nfsv3", NULL, 0); 943317d5933SIan Dowse 944317d5933SIan Dowse return (TRYRET_SUCCESS); 945317d5933SIan Dowse } 946317d5933SIan Dowse 9470c269d1fSCraig Rodrigues /* 948317d5933SIan Dowse * Catagorise a RPC return status and error into an `enum tryret' 949317d5933SIan Dowse * return code. 950317d5933SIan Dowse */ 951b352972bSXin LI static enum tryret 9526575d184SEdward Tomasz Napierala returncode(enum clnt_stat clntstat, struct rpc_err *rpcerr) 953317d5933SIan Dowse { 9546575d184SEdward Tomasz Napierala 9556575d184SEdward Tomasz Napierala switch (clntstat) { 956317d5933SIan Dowse case RPC_TIMEDOUT: 957317d5933SIan Dowse return (TRYRET_TIMEOUT); 958317d5933SIan Dowse case RPC_PMAPFAILURE: 959317d5933SIan Dowse case RPC_PROGNOTREGISTERED: 960317d5933SIan Dowse case RPC_PROGVERSMISMATCH: 961eca1c24eSIan Dowse /* XXX, these can be local or remote. */ 962eca1c24eSIan Dowse case RPC_CANTSEND: 963eca1c24eSIan Dowse case RPC_CANTRECV: 964317d5933SIan Dowse return (TRYRET_REMOTEERR); 965317d5933SIan Dowse case RPC_SYSTEMERROR: 966317d5933SIan Dowse switch (rpcerr->re_errno) { 967317d5933SIan Dowse case ETIMEDOUT: 968317d5933SIan Dowse return (TRYRET_TIMEOUT); 969317d5933SIan Dowse case ENOMEM: 970317d5933SIan Dowse break; 971317d5933SIan Dowse default: 972317d5933SIan Dowse return (TRYRET_REMOTEERR); 973317d5933SIan Dowse } 974317d5933SIan Dowse /* FALLTHROUGH */ 975317d5933SIan Dowse default: 976317d5933SIan Dowse break; 977317d5933SIan Dowse } 978317d5933SIan Dowse return (TRYRET_LOCALERR); 979317d5933SIan Dowse } 980317d5933SIan Dowse 981317d5933SIan Dowse /* 982a3d8f94bSIan Dowse * Look up a netid based on an address family and socket type. 983a3d8f94bSIan Dowse * `af' is the address family, and `sotype' is SOCK_DGRAM or SOCK_STREAM. 984a3d8f94bSIan Dowse * 985a3d8f94bSIan Dowse * XXX there should be a library function for this. 986a3d8f94bSIan Dowse */ 987b352972bSXin LI static const char * 98833924ad4SWarner Losh netidbytype(int af, int sotype) 98933924ad4SWarner Losh { 990a3d8f94bSIan Dowse struct nc_protos *p; 991a3d8f94bSIan Dowse 992a3d8f94bSIan Dowse for (p = nc_protos; p->netid != NULL; p++) { 993a3d8f94bSIan Dowse if (af != p->af || sotype != p->sotype) 994a3d8f94bSIan Dowse continue; 995a3d8f94bSIan Dowse return (p->netid); 996a3d8f94bSIan Dowse } 997a3d8f94bSIan Dowse return (NULL); 998a3d8f94bSIan Dowse } 999a3d8f94bSIan Dowse 1000a3d8f94bSIan Dowse /* 1001a3d8f94bSIan Dowse * Look up a netconfig entry based on a netid, and cache the result so 1002a3d8f94bSIan Dowse * that we don't need to remember to call freenetconfigent(). 1003a3d8f94bSIan Dowse * 1004a3d8f94bSIan Dowse * Otherwise it behaves just like getnetconfigent(), so nc_*error() 1005a3d8f94bSIan Dowse * work on failure. 1006a3d8f94bSIan Dowse */ 1007b352972bSXin LI static struct netconfig * 100833924ad4SWarner Losh getnetconf_cached(const char *netid) 100933924ad4SWarner Losh { 1010a3d8f94bSIan Dowse static struct nc_entry { 1011a3d8f94bSIan Dowse struct netconfig *nconf; 1012a3d8f94bSIan Dowse struct nc_entry *next; 1013a3d8f94bSIan Dowse } *head; 1014a3d8f94bSIan Dowse struct nc_entry *p; 1015a3d8f94bSIan Dowse struct netconfig *nconf; 1016a3d8f94bSIan Dowse 1017a3d8f94bSIan Dowse for (p = head; p != NULL; p = p->next) 1018a3d8f94bSIan Dowse if (strcmp(netid, p->nconf->nc_netid) == 0) 1019a3d8f94bSIan Dowse return (p->nconf); 1020a3d8f94bSIan Dowse 1021a3d8f94bSIan Dowse if ((nconf = getnetconfigent(netid)) == NULL) 1022a3d8f94bSIan Dowse return (NULL); 1023a3d8f94bSIan Dowse if ((p = malloc(sizeof(*p))) == NULL) 1024a3d8f94bSIan Dowse err(1, "malloc"); 1025a3d8f94bSIan Dowse p->nconf = nconf; 1026a3d8f94bSIan Dowse p->next = head; 1027a3d8f94bSIan Dowse head = p; 1028a3d8f94bSIan Dowse 1029a3d8f94bSIan Dowse return (p->nconf); 1030a3d8f94bSIan Dowse } 1031a3d8f94bSIan Dowse 1032a3d8f94bSIan Dowse /* 10338fae3551SRodney W. Grimes * xdr routines for mount rpc's 10348fae3551SRodney W. Grimes */ 1035b352972bSXin LI static int 103633924ad4SWarner Losh xdr_dir(XDR *xdrsp, char *dirp) 10378fae3551SRodney W. Grimes { 10380775314bSDoug Rabson return (xdr_string(xdrsp, &dirp, MNTPATHLEN)); 10398fae3551SRodney W. Grimes } 10408fae3551SRodney W. Grimes 1041b352972bSXin LI static int 104233924ad4SWarner Losh xdr_fh(XDR *xdrsp, struct nfhret *np) 10438fae3551SRodney W. Grimes { 10443d438ad6SDavid E. O'Brien int i; 1045a62dc406SDoug Rabson long auth, authcnt, authfnd = 0; 1046a62dc406SDoug Rabson 1047a62dc406SDoug Rabson if (!xdr_u_long(xdrsp, &np->stat)) 10488fae3551SRodney W. Grimes return (0); 10498fae3551SRodney W. Grimes if (np->stat) 10508fae3551SRodney W. Grimes return (1); 1051a62dc406SDoug Rabson switch (np->vers) { 1052a62dc406SDoug Rabson case 1: 10530775314bSDoug Rabson np->fhsize = NFS_FHSIZE; 10540775314bSDoug Rabson return (xdr_opaque(xdrsp, (caddr_t)np->nfh, NFS_FHSIZE)); 1055a62dc406SDoug Rabson case 3: 1056a62dc406SDoug Rabson if (!xdr_long(xdrsp, &np->fhsize)) 1057a62dc406SDoug Rabson return (0); 10580775314bSDoug Rabson if (np->fhsize <= 0 || np->fhsize > NFS3_FHSIZE) 1059a62dc406SDoug Rabson return (0); 1060a62dc406SDoug Rabson if (!xdr_opaque(xdrsp, (caddr_t)np->nfh, np->fhsize)) 1061a62dc406SDoug Rabson return (0); 1062a62dc406SDoug Rabson if (!xdr_long(xdrsp, &authcnt)) 1063a62dc406SDoug Rabson return (0); 1064a62dc406SDoug Rabson for (i = 0; i < authcnt; i++) { 1065a62dc406SDoug Rabson if (!xdr_long(xdrsp, &auth)) 1066a62dc406SDoug Rabson return (0); 10674b5bc283SCraig Rodrigues if (np->auth == -1) { 10684b5bc283SCraig Rodrigues np->auth = auth; 1069a62dc406SDoug Rabson authfnd++; 10704b5bc283SCraig Rodrigues } else if (auth == np->auth) { 10714b5bc283SCraig Rodrigues authfnd++; 10724b5bc283SCraig Rodrigues } 1073a62dc406SDoug Rabson } 1074a62dc406SDoug Rabson /* 1075a62dc406SDoug Rabson * Some servers, such as DEC's OSF/1 return a nil authenticator 1076a62dc406SDoug Rabson * list to indicate RPCAUTH_UNIX. 1077a62dc406SDoug Rabson */ 10784b5bc283SCraig Rodrigues if (authcnt == 0 && np->auth == -1) 10794b5bc283SCraig Rodrigues np->auth = AUTH_SYS; 10804b5bc283SCraig Rodrigues if (!authfnd && (authcnt > 0 || np->auth != AUTH_SYS)) 1081a62dc406SDoug Rabson np->stat = EAUTH; 1082a62dc406SDoug Rabson return (1); 108380c7cc1cSPedro F. Giffuni } 1084a62dc406SDoug Rabson return (0); 10858fae3551SRodney W. Grimes } 10868fae3551SRodney W. Grimes 1087b352972bSXin LI static void 1088b352972bSXin LI usage(void) 10898fae3551SRodney W. Grimes { 109046fc8f78SPhilippe Charnier (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 109186ce6a83SRobert Watson "usage: mount_nfs [-23bcdiLlNPsTU] [-a maxreadahead] [-D deadthresh]", 10928d646af5SRuslan Ermilov " [-g maxgroups] [-I readdirsize] [-o options] [-R retrycnt]", 10938d646af5SRuslan Ermilov " [-r readsize] [-t timeout] [-w writesize] [-x retrans]", 10948d646af5SRuslan Ermilov " rhost:path node"); 10958fae3551SRodney W. Grimes exit(1); 10968fae3551SRodney W. Grimes } 1097