18fae3551SRodney W. Grimes /* 28fae3551SRodney W. Grimes * Copyright (c) 1992, 1993, 1994 38fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 48fae3551SRodney W. Grimes * 58fae3551SRodney W. Grimes * This code is derived from software contributed to Berkeley by 68fae3551SRodney W. Grimes * Rick Macklem at The University of Guelph. 78fae3551SRodney W. Grimes * 88fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 98fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 108fae3551SRodney W. Grimes * are met: 118fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 128fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 138fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 148fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 158fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 168fae3551SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 178fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 188fae3551SRodney W. Grimes * without specific prior written permission. 198fae3551SRodney W. Grimes * 208fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 218fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 228fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 238fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 248fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 258fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 268fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 278fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 288fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 298fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 308fae3551SRodney W. Grimes * SUCH DAMAGE. 318fae3551SRodney W. Grimes */ 328fae3551SRodney W. Grimes 33c69284caSDavid E. O'Brien #if 0 348fae3551SRodney W. Grimes #ifndef lint 3546fc8f78SPhilippe Charnier static const char copyright[] = 368fae3551SRodney W. Grimes "@(#) Copyright (c) 1992, 1993, 1994\n\ 378fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 388fae3551SRodney W. Grimes #endif /* not lint */ 398fae3551SRodney W. Grimes 408fae3551SRodney W. Grimes #ifndef lint 414a4c5285SPeter Wemm static char sccsid[] = "@(#)mount_nfs.c 8.11 (Berkeley) 5/4/95"; 428fae3551SRodney W. Grimes #endif /* not lint */ 43c69284caSDavid E. O'Brien #endif 44c69284caSDavid E. O'Brien #include <sys/cdefs.h> 45c69284caSDavid E. O'Brien __FBSDID("$FreeBSD$"); 468fae3551SRodney W. Grimes 478fae3551SRodney W. Grimes #include <sys/param.h> 48011981fdSRick Macklem #include <sys/linker.h> 49011981fdSRick Macklem #include <sys/module.h> 508fae3551SRodney W. Grimes #include <sys/mount.h> 518360efbdSAlfred Perlstein #include <sys/socket.h> 528fae3551SRodney W. Grimes #include <sys/stat.h> 538fae3551SRodney W. Grimes #include <sys/syslog.h> 54c5aa1dc8SCraig Rodrigues #include <sys/uio.h> 558fae3551SRodney W. Grimes 568fae3551SRodney W. Grimes #include <rpc/rpc.h> 578fae3551SRodney W. Grimes #include <rpc/pmap_clnt.h> 588fae3551SRodney W. Grimes #include <rpc/pmap_prot.h> 590775314bSDoug Rabson #include <rpcsvc/nfs_prot.h> 600775314bSDoug Rabson #include <rpcsvc/mount.h> 618fae3551SRodney W. Grimes 6291196234SPeter Wemm #include <nfsclient/nfs.h> 638fae3551SRodney W. Grimes 648fae3551SRodney W. Grimes #include <arpa/inet.h> 658fae3551SRodney W. Grimes 668fae3551SRodney W. Grimes #include <ctype.h> 678fae3551SRodney W. Grimes #include <err.h> 688fae3551SRodney W. Grimes #include <errno.h> 698360efbdSAlfred Perlstein #include <fcntl.h> 708fae3551SRodney W. Grimes #include <netdb.h> 718fae3551SRodney W. Grimes #include <stdio.h> 728fae3551SRodney W. Grimes #include <stdlib.h> 73c04affffSMatthew N. Dodd #include <string.h> 748fae3551SRodney W. Grimes #include <strings.h> 755e074e31SGarrett Wollman #include <sysexits.h> 768fae3551SRodney W. Grimes #include <unistd.h> 778fae3551SRodney W. Grimes 788fae3551SRodney W. Grimes #include "mntopts.h" 79a69497d7SMatthew Dillon #include "mounttab.h" 808fae3551SRodney W. Grimes 81a3d8f94bSIan Dowse /* Table for af,sotype -> netid conversions. */ 82a3d8f94bSIan Dowse struct nc_protos { 834b5bc283SCraig Rodrigues const char *netid; 84a3d8f94bSIan Dowse int af; 85a3d8f94bSIan Dowse int sotype; 86a3d8f94bSIan Dowse } nc_protos[] = { 87a3d8f94bSIan Dowse {"udp", AF_INET, SOCK_DGRAM}, 88a3d8f94bSIan Dowse {"tcp", AF_INET, SOCK_STREAM}, 89a3d8f94bSIan Dowse {"udp6", AF_INET6, SOCK_DGRAM}, 90a3d8f94bSIan Dowse {"tcp6", AF_INET6, SOCK_STREAM}, 91b535b298SCraig Rodrigues {NULL, 0, 0} 92a3d8f94bSIan Dowse }; 93a3d8f94bSIan Dowse 948fae3551SRodney W. Grimes struct nfhret { 958fae3551SRodney W. Grimes u_long stat; 96a62dc406SDoug Rabson long vers; 97a62dc406SDoug Rabson long auth; 98a62dc406SDoug Rabson long fhsize; 990775314bSDoug Rabson u_char nfh[NFS3_FHSIZE]; 1008fae3551SRodney W. Grimes }; 1018fae3551SRodney W. Grimes #define BGRND 1 1028fae3551SRodney W. Grimes #define ISBGRND 2 103302f15f9SMatthew N. Dodd #define OF_NOINET4 4 104302f15f9SMatthew N. Dodd #define OF_NOINET6 8 105e16873daSIan Dowse int retrycnt = -1; 1068fae3551SRodney W. Grimes int opflags = 0; 107c5a0c16fSRick Macklem int nfsproto = IPPROTO_TCP; 108a62dc406SDoug Rabson int mnttcp_ok = 1; 1094b5bc283SCraig Rodrigues int noconn = 0; 110317d5933SIan Dowse char *portspec = NULL; /* Server nfs port; NULL means look up via rpcbind. */ 1114b5bc283SCraig Rodrigues struct sockaddr *addr; 1124b5bc283SCraig Rodrigues int addrlen = 0; 1134b5bc283SCraig Rodrigues u_char *fh = NULL; 1144b5bc283SCraig Rodrigues int fhsize = 0; 115a9148abdSDoug Rabson int secflavor = -1; 116011981fdSRick Macklem int got_principal = 0; 1174b5bc283SCraig Rodrigues 118317d5933SIan Dowse enum mountmode { 1192cd1c32cSDoug Rabson ANY, 1202cd1c32cSDoug Rabson V2, 1210c269d1fSCraig Rodrigues V3, 122011981fdSRick Macklem V4 1232cd1c32cSDoug Rabson } mountmode = ANY; 1248fae3551SRodney W. Grimes 125317d5933SIan Dowse /* Return codes for nfs_tryproto. */ 126317d5933SIan Dowse enum tryret { 127317d5933SIan Dowse TRYRET_SUCCESS, 128317d5933SIan Dowse TRYRET_TIMEOUT, /* No response received. */ 129317d5933SIan Dowse TRYRET_REMOTEERR, /* Error received from remote server. */ 130317d5933SIan Dowse TRYRET_LOCALERR /* Local failure. */ 131317d5933SIan Dowse }; 132317d5933SIan Dowse 133b352972bSXin LI static int sec_name_to_num(char *sec); 134b352972bSXin LI static char *sec_num_to_name(int num); 135b352972bSXin LI static int getnfsargs(char *, struct iovec **iov, int *iovlen); 13685429990SWarner Losh /* void set_rpc_maxgrouplist(int); */ 137b352972bSXin LI static struct netconfig *getnetconf_cached(const char *netid); 138b352972bSXin LI static const char *netidbytype(int af, int sotype); 139b352972bSXin LI static void usage(void) __dead2; 140b352972bSXin LI static int xdr_dir(XDR *, char *); 141b352972bSXin LI static int xdr_fh(XDR *, struct nfhret *); 142b352972bSXin LI static enum tryret nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, 1434b5bc283SCraig Rodrigues char **errstr, struct iovec **iov, int *iovlen); 144b352972bSXin LI static enum tryret returncode(enum clnt_stat stat, struct rpc_err *rpcerr); 1458fae3551SRodney W. Grimes 1468fae3551SRodney W. Grimes int 14733924ad4SWarner Losh main(int argc, char *argv[]) 1488fae3551SRodney W. Grimes { 1493d438ad6SDavid E. O'Brien int c; 150c5aa1dc8SCraig Rodrigues struct iovec *iov; 1517039dfb3SJung-uk Kim int num, iovlen; 152a83655a3SYaroslav Tykhiy char *name, *p, *spec, *fstype; 153a6b26402SCraig Rodrigues char mntpath[MAXPATHLEN], errmsg[255]; 154011981fdSRick Macklem char hostname[MAXHOSTNAMELEN + 1], *gssname, gssn[MAXHOSTNAMELEN + 50]; 1558fae3551SRodney W. Grimes 156c5aa1dc8SCraig Rodrigues iov = NULL; 157c5aa1dc8SCraig Rodrigues iovlen = 0; 158a6b26402SCraig Rodrigues memset(errmsg, 0, sizeof(errmsg)); 159011981fdSRick Macklem gssname = NULL; 160c5aa1dc8SCraig Rodrigues 161412ffff0SCraig Rodrigues fstype = strrchr(argv[0], '_'); 162412ffff0SCraig Rodrigues if (fstype == NULL) 163412ffff0SCraig Rodrigues errx(EX_USAGE, "argv[0] must end in _fstype"); 164412ffff0SCraig Rodrigues 165412ffff0SCraig Rodrigues ++fstype; 166412ffff0SCraig Rodrigues 1678fae3551SRodney W. Grimes while ((c = getopt(argc, argv, 16886ce6a83SRobert Watson "23a:bcdD:g:I:iLlNo:PR:r:sTt:w:x:U")) != -1) 1698fae3551SRodney W. Grimes switch (c) { 1702cd1c32cSDoug Rabson case '2': 1712cd1c32cSDoug Rabson mountmode = V2; 1722cd1c32cSDoug Rabson break; 173a62dc406SDoug Rabson case '3': 1742cd1c32cSDoug Rabson mountmode = V3; 175a62dc406SDoug Rabson break; 1768fae3551SRodney W. Grimes case 'a': 177baa0988aSJaakko Heinonen printf("-a deprecated, use -o readahead=<value>\n"); 1784b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readahead", optarg, (size_t)-1); 1798fae3551SRodney W. Grimes break; 1808fae3551SRodney W. Grimes case 'b': 1818fae3551SRodney W. Grimes opflags |= BGRND; 1828fae3551SRodney W. Grimes break; 1838fae3551SRodney W. Grimes case 'c': 1844b5bc283SCraig Rodrigues printf("-c deprecated, use -o noconn\n"); 1854b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noconn", NULL, 0); 1864b5bc283SCraig Rodrigues noconn = 1; 1878fae3551SRodney W. Grimes break; 1888fae3551SRodney W. Grimes case 'D': 1894b5bc283SCraig Rodrigues printf("-D deprecated, use -o deadthresh=<value>\n"); 1904b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "deadthresh", optarg, (size_t)-1); 1918fae3551SRodney W. Grimes break; 1928fae3551SRodney W. Grimes case 'd': 1934b5bc283SCraig Rodrigues printf("-d deprecated, use -o dumbtimer"); 1944b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "dumbtimer", NULL, 0); 1958fae3551SRodney W. Grimes break; 1968fae3551SRodney W. Grimes case 'g': 1974b5bc283SCraig Rodrigues printf("-g deprecated, use -o maxgroups"); 1988fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 1998fae3551SRodney W. Grimes if (*p || num <= 0) 2008fae3551SRodney W. Grimes errx(1, "illegal -g value -- %s", optarg); 2014b5bc283SCraig Rodrigues //set_rpc_maxgrouplist(num); 2024b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "maxgroups", optarg, (size_t)-1); 2038fae3551SRodney W. Grimes break; 204a62dc406SDoug Rabson case 'I': 2054b5bc283SCraig Rodrigues printf("-I deprecated, use -o readdirsize=<value>\n"); 2064b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readdirsize", optarg, (size_t)-1); 207a62dc406SDoug Rabson break; 2088fae3551SRodney W. Grimes case 'i': 2094b5bc283SCraig Rodrigues printf("-i deprecated, use -o intr\n"); 2104b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "intr", NULL, 0); 2118fae3551SRodney W. Grimes break; 21213190d87SAlfred Perlstein case 'L': 213d97326d0SSimon L. B. Nielsen printf("-L deprecated, use -o nolockd\n"); 2144b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "nolockd", NULL, 0); 21513190d87SAlfred Perlstein break; 2168fae3551SRodney W. Grimes case 'l': 2174b5bc283SCraig Rodrigues printf("-l deprecated, -o rdirplus\n"); 2184b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rdirplus", NULL, 0); 2198fae3551SRodney W. Grimes break; 220cc75b131SJoerg Wunsch case 'N': 2214b5bc283SCraig Rodrigues printf("-N deprecated, do not specify -o resvport\n"); 222cc75b131SJoerg Wunsch break; 2234b5bc283SCraig Rodrigues case 'o': { 2244b5bc283SCraig Rodrigues int pass_flag_to_nmount; 2254b5bc283SCraig Rodrigues char *opt = optarg; 2264b5bc283SCraig Rodrigues while (opt) { 2274b5bc283SCraig Rodrigues char *pval = NULL; 2284b5bc283SCraig Rodrigues char *pnextopt = NULL; 2294b5bc283SCraig Rodrigues char *val = ""; 2304b5bc283SCraig Rodrigues pass_flag_to_nmount = 1; 2314b5bc283SCraig Rodrigues pnextopt = strchr(opt, ','); 232bdb40379SJaakko Heinonen if (pnextopt != NULL) { 233bdb40379SJaakko Heinonen *pnextopt = '\0'; 234bdb40379SJaakko Heinonen pnextopt++; 235bdb40379SJaakko Heinonen } 236bdb40379SJaakko Heinonen pval = strchr(opt, '='); 2374b5bc283SCraig Rodrigues if (pval != NULL) { 2384b5bc283SCraig Rodrigues *pval = '\0'; 2394b5bc283SCraig Rodrigues val = pval + 1; 2404b5bc283SCraig Rodrigues } 2414b5bc283SCraig Rodrigues if (strcmp(opt, "bg") == 0) { 2423fa88decSGarrett Wollman opflags |= BGRND; 2434b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2444b5bc283SCraig Rodrigues } else if (strcmp(opt, "fg") == 0) { 2454b5bc283SCraig Rodrigues /* same as not specifying -o bg */ 2464b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 247011981fdSRick Macklem } else if (strcmp(opt, "gssname") == 0) { 248011981fdSRick Macklem pass_flag_to_nmount = 0; 249011981fdSRick Macklem gssname = val; 2504b5bc283SCraig Rodrigues } else if (strcmp(opt, "mntudp") == 0) { 251a62dc406SDoug Rabson mnttcp_ok = 0; 252bf005f32SKris Kennaway nfsproto = IPPROTO_UDP; 2534b5bc283SCraig Rodrigues } else if (strcmp(opt, "udp") == 0) { 2544b5bc283SCraig Rodrigues nfsproto = IPPROTO_UDP; 2554b5bc283SCraig Rodrigues } else if (strcmp(opt, "tcp") == 0) { 256a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 2574b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet4") == 0) { 2584b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2594b5bc283SCraig Rodrigues opflags |= OF_NOINET4; 2604b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet6") == 0) { 2614b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2624b5bc283SCraig Rodrigues opflags |= OF_NOINET6; 2634b5bc283SCraig Rodrigues } else if (strcmp(opt, "noconn") == 0) { 2644b5bc283SCraig Rodrigues noconn = 1; 2654b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv2") == 0) { 2664b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2674b5bc283SCraig Rodrigues mountmode = V2; 2684b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv3") == 0) { 2694b5bc283SCraig Rodrigues mountmode = V3; 270011981fdSRick Macklem } else if (strcmp(opt, "nfsv4") == 0) { 271011981fdSRick Macklem pass_flag_to_nmount=0; 272011981fdSRick Macklem mountmode = V4; 2734309e17aSRick Macklem fstype = "nfs"; 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; 279317d5933SIan Dowse asprintf(&portspec, "%d", 2804b5bc283SCraig Rodrigues atoi(val)); 281317d5933SIan Dowse if (portspec == NULL) 282317d5933SIan Dowse err(1, "asprintf"); 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 fstype = "nfs"; 357528c159fSBjoern A. Zeeb nfsproto = IPPROTO_TCP; 358528c159fSBjoern A. Zeeb if (portspec == NULL) 359528c159fSBjoern A. Zeeb portspec = "2049"; 360528c159fSBjoern A. Zeeb break; 361528c159fSBjoern A. Zeeb default: 362528c159fSBjoern A. Zeeb errx(1, "illegal nfs version " 363528c159fSBjoern A. Zeeb "value -- %s", val); 364528c159fSBjoern A. Zeeb } 365528c159fSBjoern A. Zeeb pass_flag_to_nmount=0; 366317d5933SIan Dowse } 3674b5bc283SCraig Rodrigues if (pass_flag_to_nmount) 3684b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, opt, val, 3694b5bc283SCraig Rodrigues strlen(val) + 1); 3704b5bc283SCraig Rodrigues opt = pnextopt; 3714db56604SPeter Wemm } 3724db56604SPeter Wemm } 3738fae3551SRodney W. Grimes break; 3748fae3551SRodney W. Grimes case 'P': 3754b5bc283SCraig Rodrigues /* obsolete for -o noresvport now default */ 3764b5bc283SCraig Rodrigues printf("-P deprecated, use -o noresvport\n"); 3774b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noresvport", NULL, 0); 3788fae3551SRodney W. Grimes break; 3798fae3551SRodney W. Grimes case 'R': 3804b5bc283SCraig Rodrigues printf("-R deprecated, use -o retrycnt=<retrycnt>\n"); 3818fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 382e16873daSIan Dowse if (*p || num < 0) 3838fae3551SRodney W. Grimes errx(1, "illegal -R value -- %s", optarg); 3848fae3551SRodney W. Grimes retrycnt = num; 3858fae3551SRodney W. Grimes break; 3868fae3551SRodney W. Grimes case 'r': 3874b5bc283SCraig Rodrigues printf("-r deprecated, use -o rsize=<rsize>\n"); 3884b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rsize", optarg, (size_t)-1); 3898fae3551SRodney W. Grimes break; 3908fae3551SRodney W. Grimes case 's': 3914b5bc283SCraig Rodrigues printf("-s deprecated, use -o soft\n"); 3924b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "soft", NULL, 0); 3938fae3551SRodney W. Grimes break; 3948fae3551SRodney W. Grimes case 'T': 395a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 3964b5bc283SCraig Rodrigues printf("-T deprecated, use -o tcp\n"); 3978fae3551SRodney W. Grimes break; 3988fae3551SRodney W. Grimes case 't': 3994b5bc283SCraig Rodrigues printf("-t deprecated, use -o timeout=<value>\n"); 4004b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "timeout", optarg, (size_t)-1); 4018fae3551SRodney W. Grimes break; 4028fae3551SRodney W. Grimes case 'w': 4034b5bc283SCraig Rodrigues printf("-w deprecated, use -o wsize=<value>\n"); 4044b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "wsize", optarg, (size_t)-1); 4058fae3551SRodney W. Grimes break; 4068fae3551SRodney W. Grimes case 'x': 4074b5bc283SCraig Rodrigues printf("-x deprecated, use -o retrans=<value>\n"); 4084b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "retrans", optarg, (size_t)-1); 4098fae3551SRodney W. Grimes break; 410a62dc406SDoug Rabson case 'U': 4114b5bc283SCraig Rodrigues printf("-U deprecated, use -o mntudp\n"); 412a62dc406SDoug Rabson mnttcp_ok = 0; 4130c269d1fSCraig Rodrigues nfsproto = IPPROTO_UDP; 4144b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "mntudp", NULL, 0); 415a62dc406SDoug Rabson break; 4168fae3551SRodney W. Grimes default: 4178fae3551SRodney W. Grimes usage(); 4188fae3551SRodney W. Grimes break; 4198fae3551SRodney W. Grimes } 4208fae3551SRodney W. Grimes argc -= optind; 4218fae3551SRodney W. Grimes argv += optind; 4228fae3551SRodney W. Grimes 4234a4c5285SPeter Wemm if (argc != 2) { 4242f21d07aSDavid Greenman usage(); 4254a4c5285SPeter Wemm /* NOTREACHED */ 4264a4c5285SPeter Wemm } 4278fae3551SRodney W. Grimes 4288fae3551SRodney W. Grimes spec = *argv++; 4298fae3551SRodney W. Grimes name = *argv; 4308fae3551SRodney W. Grimes 431e16873daSIan Dowse if (retrycnt == -1) 4322bc53e11SIan Dowse /* The default is to keep retrying forever. */ 4332bc53e11SIan Dowse retrycnt = 0; 4340c269d1fSCraig Rodrigues 435011981fdSRick Macklem /* 4364309e17aSRick Macklem * If the fstye is "oldnfs", run the old NFS client unless the 4374309e17aSRick Macklem * "nfsv4" option was specified. 438011981fdSRick Macklem */ 4394309e17aSRick Macklem if (strcmp(fstype, "nfs") == 0) { 440011981fdSRick Macklem if (modfind("nfscl") < 0) { 441011981fdSRick Macklem /* Not present in kernel, try loading it */ 442011981fdSRick Macklem if (kldload("nfscl") < 0 || 443011981fdSRick Macklem modfind("nfscl") < 0) 444011981fdSRick Macklem errx(1, "nfscl is not available"); 445011981fdSRick Macklem } 446011981fdSRick Macklem } 447011981fdSRick Macklem 448011981fdSRick Macklem /* 449011981fdSRick Macklem * Add the fqdn to the gssname, as required. 450011981fdSRick Macklem */ 451011981fdSRick Macklem if (gssname != NULL) { 452011981fdSRick Macklem if (strchr(gssname, '@') == NULL && 453011981fdSRick Macklem gethostname(hostname, MAXHOSTNAMELEN) == 0) { 454011981fdSRick Macklem snprintf(gssn, sizeof (gssn), "%s@%s", gssname, 455011981fdSRick Macklem hostname); 456011981fdSRick Macklem gssname = gssn; 457011981fdSRick Macklem } 458011981fdSRick Macklem build_iovec(&iov, &iovlen, "gssname", gssname, 459011981fdSRick Macklem strlen(gssname) + 1); 460011981fdSRick Macklem } 461011981fdSRick Macklem 4624b5bc283SCraig Rodrigues if (!getnfsargs(spec, &iov, &iovlen)) 4638fae3551SRodney W. Grimes exit(1); 464d599144dSGarrett Wollman 46573dd3167SPoul-Henning Kamp /* resolve the mountpoint with realpath(3) */ 466d3250014SJaakko Heinonen if (checkpath(name, mntpath) != 0) 467d3250014SJaakko Heinonen err(1, "%s", mntpath); 46873dd3167SPoul-Henning Kamp 469412ffff0SCraig Rodrigues build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1); 470c5aa1dc8SCraig Rodrigues build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1); 471a6b26402SCraig Rodrigues build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg)); 472c5aa1dc8SCraig Rodrigues 4737039dfb3SJung-uk Kim if (nmount(iov, iovlen, 0)) 474049307baSCraig Rodrigues err(1, "%s, %s", mntpath, errmsg); 475a62dc406SDoug Rabson 4768fae3551SRodney W. Grimes exit(0); 4778fae3551SRodney W. Grimes } 4788fae3551SRodney W. Grimes 4794b5bc283SCraig Rodrigues static int 4804b5bc283SCraig Rodrigues findopt(struct iovec *iov, int iovlen, const char *name, 4814b5bc283SCraig Rodrigues char **valuep, int *lenp) 4824b5bc283SCraig Rodrigues { 4834b5bc283SCraig Rodrigues int i; 4844b5bc283SCraig Rodrigues 4854b5bc283SCraig Rodrigues for (i = 0; i < iovlen/2; i++, iov += 2) { 4864b5bc283SCraig Rodrigues if (strcmp(name, iov[0].iov_base) == 0) { 4874b5bc283SCraig Rodrigues if (valuep) 4884b5bc283SCraig Rodrigues *valuep = iov[1].iov_base; 4894b5bc283SCraig Rodrigues if (lenp) 4904b5bc283SCraig Rodrigues *lenp = iov[1].iov_len; 4914b5bc283SCraig Rodrigues return (0); 4924b5bc283SCraig Rodrigues } 4934b5bc283SCraig Rodrigues } 4944b5bc283SCraig Rodrigues return (ENOENT); 4954b5bc283SCraig Rodrigues } 4964b5bc283SCraig Rodrigues 4974b5bc283SCraig Rodrigues static void 4984b5bc283SCraig Rodrigues copyopt(struct iovec **newiov, int *newiovlen, 4994b5bc283SCraig Rodrigues struct iovec *iov, int iovlen, const char *name) 5004b5bc283SCraig Rodrigues { 5014b5bc283SCraig Rodrigues char *value; 5024b5bc283SCraig Rodrigues int len; 5034b5bc283SCraig Rodrigues 5044b5bc283SCraig Rodrigues if (findopt(iov, iovlen, name, &value, &len) == 0) 5054b5bc283SCraig Rodrigues build_iovec(newiov, newiovlen, name, value, len); 5064b5bc283SCraig Rodrigues } 5074b5bc283SCraig Rodrigues 508b352972bSXin LI static int 509a9148abdSDoug Rabson sec_name_to_num(char *sec) 510a9148abdSDoug Rabson { 511a9148abdSDoug Rabson if (!strcmp(sec, "krb5")) 512a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5); 513a9148abdSDoug Rabson if (!strcmp(sec, "krb5i")) 514a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5I); 515a9148abdSDoug Rabson if (!strcmp(sec, "krb5p")) 516a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5P); 517a9148abdSDoug Rabson if (!strcmp(sec, "sys")) 518a9148abdSDoug Rabson return (AUTH_SYS); 519a9148abdSDoug Rabson return (-1); 520a9148abdSDoug Rabson } 521a9148abdSDoug Rabson 522b352972bSXin LI static char * 523a9148abdSDoug Rabson sec_num_to_name(int flavor) 524a9148abdSDoug Rabson { 525a9148abdSDoug Rabson switch (flavor) { 526a9148abdSDoug Rabson case RPCSEC_GSS_KRB5: 527a9148abdSDoug Rabson return ("krb5"); 528a9148abdSDoug Rabson case RPCSEC_GSS_KRB5I: 529a9148abdSDoug Rabson return ("krb5i"); 530a9148abdSDoug Rabson case RPCSEC_GSS_KRB5P: 531a9148abdSDoug Rabson return ("krb5p"); 532a9148abdSDoug Rabson case AUTH_SYS: 533a9148abdSDoug Rabson return ("sys"); 534a9148abdSDoug Rabson } 535a9148abdSDoug Rabson return (NULL); 536a9148abdSDoug Rabson } 537a9148abdSDoug Rabson 538b352972bSXin LI static int 5394b5bc283SCraig Rodrigues getnfsargs(char *spec, struct iovec **iov, int *iovlen) 5408fae3551SRodney W. Grimes { 5418360efbdSAlfred Perlstein struct addrinfo hints, *ai_nfs, *ai; 542317d5933SIan Dowse enum tryret ret; 543a505d435SHajimu UMEMOTO int ecode, speclen, remoteerr, offset, have_bracket = 0; 544317d5933SIan Dowse char *hostp, *delimp, *errstr; 54566a84ea7SBrian Feldman size_t len; 546011981fdSRick Macklem static char nam[MNAMELEN + 1], pname[MAXHOSTNAMELEN + 5]; 5478fae3551SRodney W. Grimes 548a505d435SHajimu UMEMOTO if (*spec == '[' && (delimp = strchr(spec + 1, ']')) != NULL && 549a505d435SHajimu UMEMOTO *(delimp + 1) == ':') { 550a505d435SHajimu UMEMOTO hostp = spec + 1; 551a505d435SHajimu UMEMOTO spec = delimp + 2; 552a505d435SHajimu UMEMOTO have_bracket = 1; 553a505d435SHajimu UMEMOTO } else if ((delimp = strrchr(spec, ':')) != NULL) { 5548fae3551SRodney W. Grimes hostp = spec; 5558fae3551SRodney W. Grimes spec = delimp + 1; 55673dd3167SPoul-Henning Kamp } else if ((delimp = strrchr(spec, '@')) != NULL) { 55773dd3167SPoul-Henning Kamp warnx("path@server syntax is deprecated, use server:path"); 55873dd3167SPoul-Henning Kamp hostp = delimp + 1; 5598fae3551SRodney W. Grimes } else { 56073dd3167SPoul-Henning Kamp warnx("no <host>:<dirpath> nfs-name"); 5618fae3551SRodney W. Grimes return (0); 5628fae3551SRodney W. Grimes } 5638fae3551SRodney W. Grimes *delimp = '\0'; 56473dd3167SPoul-Henning Kamp 56573dd3167SPoul-Henning Kamp /* 56673dd3167SPoul-Henning Kamp * If there has been a trailing slash at mounttime it seems 56773dd3167SPoul-Henning Kamp * that some mountd implementations fail to remove the mount 56873dd3167SPoul-Henning Kamp * entries from their mountlist while unmounting. 56973dd3167SPoul-Henning Kamp */ 57066a84ea7SBrian Feldman for (speclen = strlen(spec); 57166a84ea7SBrian Feldman speclen > 1 && spec[speclen - 1] == '/'; 57266a84ea7SBrian Feldman speclen--) 57373dd3167SPoul-Henning Kamp spec[speclen - 1] = '\0'; 57473dd3167SPoul-Henning Kamp if (strlen(hostp) + strlen(spec) + 1 > MNAMELEN) { 57573dd3167SPoul-Henning Kamp warnx("%s:%s: %s", hostp, spec, strerror(ENAMETOOLONG)); 57673dd3167SPoul-Henning Kamp return (0); 57773dd3167SPoul-Henning Kamp } 57873dd3167SPoul-Henning Kamp /* Make both '@' and ':' notations equal */ 57966a84ea7SBrian Feldman if (*hostp != '\0') { 58066a84ea7SBrian Feldman len = strlen(hostp); 581a505d435SHajimu UMEMOTO offset = 0; 582a505d435SHajimu UMEMOTO if (have_bracket) 583a505d435SHajimu UMEMOTO nam[offset++] = '['; 584a505d435SHajimu UMEMOTO memmove(nam + offset, hostp, len); 585a505d435SHajimu UMEMOTO if (have_bracket) 586a505d435SHajimu UMEMOTO nam[len + offset++] = ']'; 587a505d435SHajimu UMEMOTO nam[len + offset++] = ':'; 588a505d435SHajimu UMEMOTO memmove(nam + len + offset, spec, speclen); 589a505d435SHajimu UMEMOTO nam[len + speclen + offset] = '\0'; 59066a84ea7SBrian Feldman } 5918fae3551SRodney W. Grimes 5928fae3551SRodney W. Grimes /* 59391196234SPeter Wemm * Handle an internet host address. 5948fae3551SRodney W. Grimes */ 5958360efbdSAlfred Perlstein memset(&hints, 0, sizeof hints); 5968360efbdSAlfred Perlstein hints.ai_flags = AI_NUMERICHOST; 5974b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 5984b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_STREAM; 5994b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 6004b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_DGRAM; 6014b5bc283SCraig Rodrigues 60291196234SPeter Wemm if (getaddrinfo(hostp, portspec, &hints, &ai_nfs) != 0) { 603011981fdSRick Macklem hints.ai_flags = AI_CANONNAME; 604317d5933SIan Dowse if ((ecode = getaddrinfo(hostp, portspec, &hints, &ai_nfs)) 605317d5933SIan Dowse != 0) { 606317d5933SIan Dowse if (portspec == NULL) 607317d5933SIan Dowse errx(1, "%s: %s", hostp, gai_strerror(ecode)); 608317d5933SIan Dowse else 609317d5933SIan Dowse errx(1, "%s:%s: %s", hostp, portspec, 6108360efbdSAlfred Perlstein gai_strerror(ecode)); 6118360efbdSAlfred Perlstein return (0); 6128360efbdSAlfred Perlstein } 613011981fdSRick Macklem 614011981fdSRick Macklem /* 615011981fdSRick Macklem * For a Kerberized nfs mount where the "principal" 616011981fdSRick Macklem * argument has not been set, add it here. 617011981fdSRick Macklem */ 618011981fdSRick Macklem if (got_principal == 0 && secflavor >= 0 && 619011981fdSRick Macklem secflavor != AUTH_SYS && ai_nfs->ai_canonname != NULL) { 620011981fdSRick Macklem snprintf(pname, sizeof (pname), "nfs@%s", 621011981fdSRick Macklem ai_nfs->ai_canonname); 622011981fdSRick Macklem build_iovec(iov, iovlen, "principal", pname, 623011981fdSRick Macklem strlen(pname) + 1); 624011981fdSRick Macklem } 6258360efbdSAlfred Perlstein } 6268fae3551SRodney W. Grimes 627317d5933SIan Dowse ret = TRYRET_LOCALERR; 628e16873daSIan Dowse for (;;) { 629deffdffaSAndrey A. Chernov /* 630317d5933SIan Dowse * Try each entry returned by getaddrinfo(). Note the 6314b85a12fSUlrich Spörlein * occurrence of remote errors by setting `remoteerr'. 632deffdffaSAndrey A. Chernov */ 633317d5933SIan Dowse remoteerr = 0; 634317d5933SIan Dowse for (ai = ai_nfs; ai != NULL; ai = ai->ai_next) { 635302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET6) && 636302f15f9SMatthew N. Dodd (opflags & OF_NOINET6)) 637302f15f9SMatthew N. Dodd continue; 638302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET) && 639302f15f9SMatthew N. Dodd (opflags & OF_NOINET4)) 640302f15f9SMatthew N. Dodd continue; 6414b5bc283SCraig Rodrigues ret = nfs_tryproto(ai, hostp, spec, &errstr, iov, 6424b5bc283SCraig Rodrigues iovlen); 643317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 644317d5933SIan Dowse break; 645317d5933SIan Dowse if (ret != TRYRET_LOCALERR) 646317d5933SIan Dowse remoteerr = 1; 647317d5933SIan Dowse if ((opflags & ISBGRND) == 0) 648317d5933SIan Dowse fprintf(stderr, "%s\n", errstr); 649deffdffaSAndrey A. Chernov } 650317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 651317d5933SIan Dowse break; 652deffdffaSAndrey A. Chernov 653e16873daSIan Dowse /* Exit if all errors were local. */ 654e16873daSIan Dowse if (!remoteerr) 655deffdffaSAndrey A. Chernov exit(1); 656317d5933SIan Dowse 657e16873daSIan Dowse /* 658e16873daSIan Dowse * If retrycnt == 0, we are to keep retrying forever. 659e16873daSIan Dowse * Otherwise decrement it, and exit if it hits zero. 660e16873daSIan Dowse */ 661e16873daSIan Dowse if (retrycnt != 0 && --retrycnt == 0) 662317d5933SIan Dowse exit(1); 663317d5933SIan Dowse 664317d5933SIan Dowse if ((opflags & (BGRND | ISBGRND)) == BGRND) { 665317d5933SIan Dowse warnx("Cannot immediately mount %s:%s, backgrounding", 666317d5933SIan Dowse hostp, spec); 667317d5933SIan Dowse opflags |= ISBGRND; 668317d5933SIan Dowse if (daemon(0, 0) != 0) 669317d5933SIan Dowse err(1, "daemon"); 6708fae3551SRodney W. Grimes } 6718fae3551SRodney W. Grimes sleep(60); 6728fae3551SRodney W. Grimes } 6738360efbdSAlfred Perlstein freeaddrinfo(ai_nfs); 6744b5bc283SCraig Rodrigues 6754b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "hostname", nam, (size_t)-1); 676a69497d7SMatthew Dillon /* Add mounted file system to PATH_MOUNTTAB */ 677a69497d7SMatthew Dillon if (!add_mtab(hostp, spec)) 678a69497d7SMatthew Dillon warnx("can't update %s for %s:%s", PATH_MOUNTTAB, hostp, spec); 6798fae3551SRodney W. Grimes return (1); 6808fae3551SRodney W. Grimes } 6818fae3551SRodney W. Grimes 6828fae3551SRodney W. Grimes /* 683317d5933SIan Dowse * Try to set up the NFS arguments according to the address 684317d5933SIan Dowse * family, protocol (and possibly port) specified in `ai'. 685317d5933SIan Dowse * 686317d5933SIan Dowse * Returns TRYRET_SUCCESS if successful, or: 687317d5933SIan Dowse * TRYRET_TIMEOUT The server did not respond. 688317d5933SIan Dowse * TRYRET_REMOTEERR The server reported an error. 689317d5933SIan Dowse * TRYRET_LOCALERR Local failure. 690317d5933SIan Dowse * 691317d5933SIan Dowse * In all error cases, *errstr will be set to a statically-allocated string 692317d5933SIan Dowse * describing the error. 693317d5933SIan Dowse */ 694b352972bSXin LI static enum tryret 6954b5bc283SCraig Rodrigues nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, char **errstr, 6964b5bc283SCraig Rodrigues struct iovec **iov, int *iovlen) 697317d5933SIan Dowse { 698317d5933SIan Dowse static char errbuf[256]; 699317d5933SIan Dowse struct sockaddr_storage nfs_ss; 700317d5933SIan Dowse struct netbuf nfs_nb; 701317d5933SIan Dowse struct nfhret nfhret; 702317d5933SIan Dowse struct timeval try; 703317d5933SIan Dowse struct rpc_err rpcerr; 704317d5933SIan Dowse CLIENT *clp; 705317d5933SIan Dowse struct netconfig *nconf, *nconf_mnt; 7064b5bc283SCraig Rodrigues const char *netid, *netid_mnt; 707a9148abdSDoug Rabson char *secname; 7084b5bc283SCraig Rodrigues int doconnect, nfsvers, mntvers, sotype; 709317d5933SIan Dowse enum clnt_stat stat; 710317d5933SIan Dowse enum mountmode trymntmode; 711317d5933SIan Dowse 712d0654c85SKevin Lo sotype = 0; 713317d5933SIan Dowse trymntmode = mountmode; 714317d5933SIan Dowse errbuf[0] = '\0'; 715317d5933SIan Dowse *errstr = errbuf; 716317d5933SIan Dowse 7174b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 7184b5bc283SCraig Rodrigues sotype = SOCK_STREAM; 7194b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 7204b5bc283SCraig Rodrigues sotype = SOCK_DGRAM; 7214b5bc283SCraig Rodrigues 7224b5bc283SCraig Rodrigues if ((netid = netidbytype(ai->ai_family, sotype)) == NULL) { 723a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 7244b5bc283SCraig Rodrigues "af %d sotype %d not supported", ai->ai_family, sotype); 725a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 726a3d8f94bSIan Dowse } 727a3d8f94bSIan Dowse if ((nconf = getnetconf_cached(netid)) == NULL) { 728317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid, nc_sperror()); 729317d5933SIan Dowse return (TRYRET_LOCALERR); 730317d5933SIan Dowse } 731317d5933SIan Dowse /* The RPCPROG_MNT netid may be different. */ 732317d5933SIan Dowse if (mnttcp_ok) { 733ba33efd9SIan Dowse netid_mnt = netid; 734317d5933SIan Dowse nconf_mnt = nconf; 735317d5933SIan Dowse } else { 736a3d8f94bSIan Dowse if ((netid_mnt = netidbytype(ai->ai_family, SOCK_DGRAM)) 737a3d8f94bSIan Dowse == NULL) { 738a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 739a3d8f94bSIan Dowse "af %d sotype SOCK_DGRAM not supported", 740a3d8f94bSIan Dowse ai->ai_family); 741a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 742a3d8f94bSIan Dowse } 743a3d8f94bSIan Dowse if ((nconf_mnt = getnetconf_cached(netid_mnt)) == NULL) { 744ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid_mnt, 745317d5933SIan Dowse nc_sperror()); 746317d5933SIan Dowse return (TRYRET_LOCALERR); 747317d5933SIan Dowse } 748317d5933SIan Dowse } 749317d5933SIan Dowse 750317d5933SIan Dowse tryagain: 751011981fdSRick Macklem if (trymntmode == V4) { 752011981fdSRick Macklem nfsvers = 4; 753011981fdSRick Macklem } else if (trymntmode == V2) { 754317d5933SIan Dowse nfsvers = 2; 755317d5933SIan Dowse mntvers = 1; 756317d5933SIan Dowse } else { 757317d5933SIan Dowse nfsvers = 3; 758317d5933SIan Dowse mntvers = 3; 759317d5933SIan Dowse } 760317d5933SIan Dowse 761317d5933SIan Dowse if (portspec != NULL) { 762317d5933SIan Dowse /* `ai' contains the complete nfsd sockaddr. */ 763317d5933SIan Dowse nfs_nb.buf = ai->ai_addr; 764317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = ai->ai_addrlen; 765317d5933SIan Dowse } else { 766317d5933SIan Dowse /* Ask the remote rpcbind. */ 767317d5933SIan Dowse nfs_nb.buf = &nfs_ss; 768317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = sizeof nfs_ss; 769317d5933SIan Dowse 7700775314bSDoug Rabson if (!rpcb_getaddr(NFS_PROGRAM, nfsvers, nconf, &nfs_nb, 771317d5933SIan Dowse hostp)) { 772317d5933SIan Dowse if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH && 773317d5933SIan Dowse trymntmode == ANY) { 774317d5933SIan Dowse trymntmode = V2; 775317d5933SIan Dowse goto tryagain; 776317d5933SIan Dowse } 777317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", 778317d5933SIan Dowse netid, hostp, spec, 779317d5933SIan Dowse clnt_spcreateerror("RPCPROG_NFS")); 780317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 781317d5933SIan Dowse &rpc_createerr.cf_error)); 782317d5933SIan Dowse } 783317d5933SIan Dowse } 784317d5933SIan Dowse 785317d5933SIan Dowse /* Check that the server (nfsd) responds on the port we have chosen. */ 7860775314bSDoug Rabson clp = clnt_tli_create(RPC_ANYFD, nconf, &nfs_nb, NFS_PROGRAM, nfsvers, 787317d5933SIan Dowse 0, 0); 788317d5933SIan Dowse if (clp == NULL) { 789317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 790317d5933SIan Dowse hostp, spec, clnt_spcreateerror("nfsd: RPCPROG_NFS")); 791317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 792317d5933SIan Dowse &rpc_createerr.cf_error)); 793317d5933SIan Dowse } 7944b5bc283SCraig Rodrigues if (sotype == SOCK_DGRAM && noconn == 0) { 795eca1c24eSIan Dowse /* 796eca1c24eSIan Dowse * Use connect(), to match what the kernel does. This 797eca1c24eSIan Dowse * catches cases where the server responds from the 798eca1c24eSIan Dowse * wrong source address. 799eca1c24eSIan Dowse */ 800eca1c24eSIan Dowse doconnect = 1; 801eca1c24eSIan Dowse if (!clnt_control(clp, CLSET_CONNECT, (char *)&doconnect)) { 802eca1c24eSIan Dowse clnt_destroy(clp); 803eca1c24eSIan Dowse snprintf(errbuf, sizeof errbuf, 804eca1c24eSIan Dowse "[%s] %s:%s: CLSET_CONNECT failed", netid, hostp, 805eca1c24eSIan Dowse spec); 806eca1c24eSIan Dowse return (TRYRET_LOCALERR); 807eca1c24eSIan Dowse } 808eca1c24eSIan Dowse } 809eca1c24eSIan Dowse 810317d5933SIan Dowse try.tv_sec = 10; 811317d5933SIan Dowse try.tv_usec = 0; 812c04affffSMatthew N. Dodd stat = clnt_call(clp, NFSPROC_NULL, (xdrproc_t)xdr_void, NULL, 813011981fdSRick Macklem (xdrproc_t)xdr_void, NULL, try); 814317d5933SIan Dowse if (stat != RPC_SUCCESS) { 815317d5933SIan Dowse if (stat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 816317d5933SIan Dowse clnt_destroy(clp); 817317d5933SIan Dowse trymntmode = V2; 818317d5933SIan Dowse goto tryagain; 819317d5933SIan Dowse } 820317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 821317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 822317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "NFSPROC_NULL")); 823317d5933SIan Dowse clnt_destroy(clp); 824317d5933SIan Dowse return (returncode(stat, &rpcerr)); 825317d5933SIan Dowse } 826317d5933SIan Dowse clnt_destroy(clp); 827317d5933SIan Dowse 828011981fdSRick Macklem /* 829011981fdSRick Macklem * For NFSv4, there is no mount protocol. 830011981fdSRick Macklem */ 831011981fdSRick Macklem if (trymntmode == V4) { 832011981fdSRick Macklem /* 833011981fdSRick Macklem * Store the server address in nfsargsp, making 834011981fdSRick Macklem * sure to copy any locally allocated structures. 835011981fdSRick Macklem */ 836011981fdSRick Macklem addrlen = nfs_nb.len; 837011981fdSRick Macklem addr = malloc(addrlen); 838011981fdSRick Macklem if (addr == NULL) 839011981fdSRick Macklem err(1, "malloc"); 840011981fdSRick Macklem bcopy(nfs_nb.buf, addr, addrlen); 841011981fdSRick Macklem 842011981fdSRick Macklem build_iovec(iov, iovlen, "addr", addr, addrlen); 843011981fdSRick Macklem secname = sec_num_to_name(secflavor); 844011981fdSRick Macklem if (secname != NULL) 845011981fdSRick Macklem build_iovec(iov, iovlen, "sec", secname, (size_t)-1); 846011981fdSRick Macklem build_iovec(iov, iovlen, "nfsv4", NULL, 0); 847011981fdSRick Macklem build_iovec(iov, iovlen, "dirpath", spec, (size_t)-1); 848011981fdSRick Macklem 849011981fdSRick Macklem return (TRYRET_SUCCESS); 850011981fdSRick Macklem } 851011981fdSRick Macklem 8520775314bSDoug Rabson /* Send the MOUNTPROC_MNT RPC to get the root filehandle. */ 853317d5933SIan Dowse try.tv_sec = 10; 854317d5933SIan Dowse try.tv_usec = 0; 8550775314bSDoug Rabson clp = clnt_tp_create(hostp, MOUNTPROG, mntvers, nconf_mnt); 856317d5933SIan Dowse if (clp == NULL) { 857ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 858317d5933SIan Dowse hostp, spec, clnt_spcreateerror("RPCMNT: clnt_create")); 859317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 860317d5933SIan Dowse &rpc_createerr.cf_error)); 861317d5933SIan Dowse } 862317d5933SIan Dowse clp->cl_auth = authsys_create_default(); 863a9148abdSDoug Rabson nfhret.auth = secflavor; 864317d5933SIan Dowse nfhret.vers = mntvers; 8650775314bSDoug Rabson stat = clnt_call(clp, MOUNTPROC_MNT, (xdrproc_t)xdr_dir, spec, 866c04affffSMatthew N. Dodd (xdrproc_t)xdr_fh, &nfhret, 867317d5933SIan Dowse try); 868317d5933SIan Dowse auth_destroy(clp->cl_auth); 869317d5933SIan Dowse if (stat != RPC_SUCCESS) { 870317d5933SIan Dowse if (stat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 871317d5933SIan Dowse clnt_destroy(clp); 872317d5933SIan Dowse trymntmode = V2; 873317d5933SIan Dowse goto tryagain; 874317d5933SIan Dowse } 875317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 876ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 877317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "RPCPROG_MNT")); 878317d5933SIan Dowse clnt_destroy(clp); 879317d5933SIan Dowse return (returncode(stat, &rpcerr)); 880317d5933SIan Dowse } 881317d5933SIan Dowse clnt_destroy(clp); 882317d5933SIan Dowse 883317d5933SIan Dowse if (nfhret.stat != 0) { 884ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 885317d5933SIan Dowse hostp, spec, strerror(nfhret.stat)); 886317d5933SIan Dowse return (TRYRET_REMOTEERR); 887317d5933SIan Dowse } 888317d5933SIan Dowse 889317d5933SIan Dowse /* 890317d5933SIan Dowse * Store the filehandle and server address in nfsargsp, making 891317d5933SIan Dowse * sure to copy any locally allocated structures. 892317d5933SIan Dowse */ 8934b5bc283SCraig Rodrigues addrlen = nfs_nb.len; 8944b5bc283SCraig Rodrigues addr = malloc(addrlen); 8954b5bc283SCraig Rodrigues fhsize = nfhret.fhsize; 8964b5bc283SCraig Rodrigues fh = malloc(fhsize); 8974b5bc283SCraig Rodrigues if (addr == NULL || fh == NULL) 898317d5933SIan Dowse err(1, "malloc"); 8994b5bc283SCraig Rodrigues bcopy(nfs_nb.buf, addr, addrlen); 9004b5bc283SCraig Rodrigues bcopy(nfhret.nfh, fh, fhsize); 901317d5933SIan Dowse 9024b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "addr", addr, addrlen); 9034b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "fh", fh, fhsize); 904a9148abdSDoug Rabson secname = sec_num_to_name(nfhret.auth); 905a9148abdSDoug Rabson if (secname) 906a9148abdSDoug Rabson build_iovec(iov, iovlen, "sec", secname, (size_t)-1); 907317d5933SIan Dowse if (nfsvers == 3) 9084b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "nfsv3", NULL, 0); 909317d5933SIan Dowse 910317d5933SIan Dowse return (TRYRET_SUCCESS); 911317d5933SIan Dowse } 912317d5933SIan Dowse 9130c269d1fSCraig Rodrigues /* 914317d5933SIan Dowse * Catagorise a RPC return status and error into an `enum tryret' 915317d5933SIan Dowse * return code. 916317d5933SIan Dowse */ 917b352972bSXin LI static enum tryret 918317d5933SIan Dowse returncode(enum clnt_stat stat, struct rpc_err *rpcerr) 919317d5933SIan Dowse { 920317d5933SIan Dowse switch (stat) { 921317d5933SIan Dowse case RPC_TIMEDOUT: 922317d5933SIan Dowse return (TRYRET_TIMEOUT); 923317d5933SIan Dowse case RPC_PMAPFAILURE: 924317d5933SIan Dowse case RPC_PROGNOTREGISTERED: 925317d5933SIan Dowse case RPC_PROGVERSMISMATCH: 926eca1c24eSIan Dowse /* XXX, these can be local or remote. */ 927eca1c24eSIan Dowse case RPC_CANTSEND: 928eca1c24eSIan Dowse case RPC_CANTRECV: 929317d5933SIan Dowse return (TRYRET_REMOTEERR); 930317d5933SIan Dowse case RPC_SYSTEMERROR: 931317d5933SIan Dowse switch (rpcerr->re_errno) { 932317d5933SIan Dowse case ETIMEDOUT: 933317d5933SIan Dowse return (TRYRET_TIMEOUT); 934317d5933SIan Dowse case ENOMEM: 935317d5933SIan Dowse break; 936317d5933SIan Dowse default: 937317d5933SIan Dowse return (TRYRET_REMOTEERR); 938317d5933SIan Dowse } 939317d5933SIan Dowse /* FALLTHROUGH */ 940317d5933SIan Dowse default: 941317d5933SIan Dowse break; 942317d5933SIan Dowse } 943317d5933SIan Dowse return (TRYRET_LOCALERR); 944317d5933SIan Dowse } 945317d5933SIan Dowse 946317d5933SIan Dowse /* 947a3d8f94bSIan Dowse * Look up a netid based on an address family and socket type. 948a3d8f94bSIan Dowse * `af' is the address family, and `sotype' is SOCK_DGRAM or SOCK_STREAM. 949a3d8f94bSIan Dowse * 950a3d8f94bSIan Dowse * XXX there should be a library function for this. 951a3d8f94bSIan Dowse */ 952b352972bSXin LI static const char * 95333924ad4SWarner Losh netidbytype(int af, int sotype) 95433924ad4SWarner Losh { 955a3d8f94bSIan Dowse struct nc_protos *p; 956a3d8f94bSIan Dowse 957a3d8f94bSIan Dowse for (p = nc_protos; p->netid != NULL; p++) { 958a3d8f94bSIan Dowse if (af != p->af || sotype != p->sotype) 959a3d8f94bSIan Dowse continue; 960a3d8f94bSIan Dowse return (p->netid); 961a3d8f94bSIan Dowse } 962a3d8f94bSIan Dowse return (NULL); 963a3d8f94bSIan Dowse } 964a3d8f94bSIan Dowse 965a3d8f94bSIan Dowse /* 966a3d8f94bSIan Dowse * Look up a netconfig entry based on a netid, and cache the result so 967a3d8f94bSIan Dowse * that we don't need to remember to call freenetconfigent(). 968a3d8f94bSIan Dowse * 969a3d8f94bSIan Dowse * Otherwise it behaves just like getnetconfigent(), so nc_*error() 970a3d8f94bSIan Dowse * work on failure. 971a3d8f94bSIan Dowse */ 972b352972bSXin LI static struct netconfig * 97333924ad4SWarner Losh getnetconf_cached(const char *netid) 97433924ad4SWarner Losh { 975a3d8f94bSIan Dowse static struct nc_entry { 976a3d8f94bSIan Dowse struct netconfig *nconf; 977a3d8f94bSIan Dowse struct nc_entry *next; 978a3d8f94bSIan Dowse } *head; 979a3d8f94bSIan Dowse struct nc_entry *p; 980a3d8f94bSIan Dowse struct netconfig *nconf; 981a3d8f94bSIan Dowse 982a3d8f94bSIan Dowse for (p = head; p != NULL; p = p->next) 983a3d8f94bSIan Dowse if (strcmp(netid, p->nconf->nc_netid) == 0) 984a3d8f94bSIan Dowse return (p->nconf); 985a3d8f94bSIan Dowse 986a3d8f94bSIan Dowse if ((nconf = getnetconfigent(netid)) == NULL) 987a3d8f94bSIan Dowse return (NULL); 988a3d8f94bSIan Dowse if ((p = malloc(sizeof(*p))) == NULL) 989a3d8f94bSIan Dowse err(1, "malloc"); 990a3d8f94bSIan Dowse p->nconf = nconf; 991a3d8f94bSIan Dowse p->next = head; 992a3d8f94bSIan Dowse head = p; 993a3d8f94bSIan Dowse 994a3d8f94bSIan Dowse return (p->nconf); 995a3d8f94bSIan Dowse } 996a3d8f94bSIan Dowse 997a3d8f94bSIan Dowse /* 9988fae3551SRodney W. Grimes * xdr routines for mount rpc's 9998fae3551SRodney W. Grimes */ 1000b352972bSXin LI static int 100133924ad4SWarner Losh xdr_dir(XDR *xdrsp, char *dirp) 10028fae3551SRodney W. Grimes { 10030775314bSDoug Rabson return (xdr_string(xdrsp, &dirp, MNTPATHLEN)); 10048fae3551SRodney W. Grimes } 10058fae3551SRodney W. Grimes 1006b352972bSXin LI static int 100733924ad4SWarner Losh xdr_fh(XDR *xdrsp, struct nfhret *np) 10088fae3551SRodney W. Grimes { 10093d438ad6SDavid E. O'Brien int i; 1010a62dc406SDoug Rabson long auth, authcnt, authfnd = 0; 1011a62dc406SDoug Rabson 1012a62dc406SDoug Rabson if (!xdr_u_long(xdrsp, &np->stat)) 10138fae3551SRodney W. Grimes return (0); 10148fae3551SRodney W. Grimes if (np->stat) 10158fae3551SRodney W. Grimes return (1); 1016a62dc406SDoug Rabson switch (np->vers) { 1017a62dc406SDoug Rabson case 1: 10180775314bSDoug Rabson np->fhsize = NFS_FHSIZE; 10190775314bSDoug Rabson return (xdr_opaque(xdrsp, (caddr_t)np->nfh, NFS_FHSIZE)); 1020a62dc406SDoug Rabson case 3: 1021a62dc406SDoug Rabson if (!xdr_long(xdrsp, &np->fhsize)) 1022a62dc406SDoug Rabson return (0); 10230775314bSDoug Rabson if (np->fhsize <= 0 || np->fhsize > NFS3_FHSIZE) 1024a62dc406SDoug Rabson return (0); 1025a62dc406SDoug Rabson if (!xdr_opaque(xdrsp, (caddr_t)np->nfh, np->fhsize)) 1026a62dc406SDoug Rabson return (0); 1027a62dc406SDoug Rabson if (!xdr_long(xdrsp, &authcnt)) 1028a62dc406SDoug Rabson return (0); 1029a62dc406SDoug Rabson for (i = 0; i < authcnt; i++) { 1030a62dc406SDoug Rabson if (!xdr_long(xdrsp, &auth)) 1031a62dc406SDoug Rabson return (0); 10324b5bc283SCraig Rodrigues if (np->auth == -1) { 10334b5bc283SCraig Rodrigues np->auth = auth; 1034a62dc406SDoug Rabson authfnd++; 10354b5bc283SCraig Rodrigues } else if (auth == np->auth) { 10364b5bc283SCraig Rodrigues authfnd++; 10374b5bc283SCraig Rodrigues } 1038a62dc406SDoug Rabson } 1039a62dc406SDoug Rabson /* 1040a62dc406SDoug Rabson * Some servers, such as DEC's OSF/1 return a nil authenticator 1041a62dc406SDoug Rabson * list to indicate RPCAUTH_UNIX. 1042a62dc406SDoug Rabson */ 10434b5bc283SCraig Rodrigues if (authcnt == 0 && np->auth == -1) 10444b5bc283SCraig Rodrigues np->auth = AUTH_SYS; 10454b5bc283SCraig Rodrigues if (!authfnd && (authcnt > 0 || np->auth != AUTH_SYS)) 1046a62dc406SDoug Rabson np->stat = EAUTH; 1047a62dc406SDoug Rabson return (1); 1048a62dc406SDoug Rabson }; 1049a62dc406SDoug Rabson return (0); 10508fae3551SRodney W. Grimes } 10518fae3551SRodney W. Grimes 1052b352972bSXin LI static void 1053b352972bSXin LI usage(void) 10548fae3551SRodney W. Grimes { 105546fc8f78SPhilippe Charnier (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 105686ce6a83SRobert Watson "usage: mount_nfs [-23bcdiLlNPsTU] [-a maxreadahead] [-D deadthresh]", 10578d646af5SRuslan Ermilov " [-g maxgroups] [-I readdirsize] [-o options] [-R retrycnt]", 10588d646af5SRuslan Ermilov " [-r readsize] [-t timeout] [-w writesize] [-x retrans]", 10598d646af5SRuslan Ermilov " rhost:path node"); 10608fae3551SRodney W. Grimes exit(1); 10618fae3551SRodney W. Grimes } 1062