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. 16fbbd9655SWarner Losh * 3. 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. */ 826575d184SEdward Tomasz Napierala static 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 1056575d184SEdward Tomasz Napierala static int retrycnt = -1; 1066575d184SEdward Tomasz Napierala static int opflags = 0; 1076575d184SEdward Tomasz Napierala static int nfsproto = IPPROTO_TCP; 1086575d184SEdward Tomasz Napierala static int mnttcp_ok = 1; 1096575d184SEdward Tomasz Napierala static int noconn = 0; 1106575d184SEdward Tomasz Napierala /* The 'portspec' is the server nfs port; NULL means look up via rpcbind. */ 1116575d184SEdward Tomasz Napierala static const char *portspec = NULL; 1126575d184SEdward Tomasz Napierala static struct sockaddr *addr; 1136575d184SEdward Tomasz Napierala static int addrlen = 0; 1146575d184SEdward Tomasz Napierala static u_char *fh = NULL; 1156575d184SEdward Tomasz Napierala static int fhsize = 0; 1166575d184SEdward Tomasz Napierala static int secflavor = -1; 1176575d184SEdward Tomasz Napierala static int got_principal = 0; 1184b5bc283SCraig Rodrigues 1196575d184SEdward Tomasz Napierala static enum mountmode { 1202cd1c32cSDoug Rabson ANY, 1212cd1c32cSDoug Rabson V2, 1220c269d1fSCraig Rodrigues V3, 123011981fdSRick Macklem V4 1242cd1c32cSDoug Rabson } mountmode = ANY; 1258fae3551SRodney W. Grimes 126317d5933SIan Dowse /* Return codes for nfs_tryproto. */ 127317d5933SIan Dowse enum tryret { 128317d5933SIan Dowse TRYRET_SUCCESS, 129317d5933SIan Dowse TRYRET_TIMEOUT, /* No response received. */ 130317d5933SIan Dowse TRYRET_REMOTEERR, /* Error received from remote server. */ 131317d5933SIan Dowse TRYRET_LOCALERR /* Local failure. */ 132317d5933SIan Dowse }; 133317d5933SIan Dowse 1346575d184SEdward Tomasz Napierala static int sec_name_to_num(const char *sec); 1356575d184SEdward Tomasz Napierala static const char *sec_num_to_name(int num); 136b352972bSXin LI static int getnfsargs(char *, struct iovec **iov, int *iovlen); 13785429990SWarner Losh /* void set_rpc_maxgrouplist(int); */ 138b352972bSXin LI static struct netconfig *getnetconf_cached(const char *netid); 139b352972bSXin LI static const char *netidbytype(int af, int sotype); 140b352972bSXin LI static void usage(void) __dead2; 141b352972bSXin LI static int xdr_dir(XDR *, char *); 142b352972bSXin LI static int xdr_fh(XDR *, struct nfhret *); 143b352972bSXin LI static enum tryret nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, 1444b5bc283SCraig Rodrigues char **errstr, struct iovec **iov, int *iovlen); 145b352972bSXin LI static enum tryret returncode(enum clnt_stat stat, struct rpc_err *rpcerr); 1468fae3551SRodney W. Grimes 1478fae3551SRodney W. Grimes int 14833924ad4SWarner Losh main(int argc, char *argv[]) 1498fae3551SRodney W. Grimes { 1503d438ad6SDavid E. O'Brien int c; 151c5aa1dc8SCraig Rodrigues struct iovec *iov; 1527039dfb3SJung-uk Kim int num, iovlen; 1536575d184SEdward Tomasz Napierala char *mntname, *p, *spec, *tmp; 154a6b26402SCraig Rodrigues char mntpath[MAXPATHLEN], errmsg[255]; 1556575d184SEdward Tomasz Napierala char hostname[MAXHOSTNAMELEN + 1], gssn[MAXHOSTNAMELEN + 50]; 15625585679SBrooks Davis const char *gssname; 1578fae3551SRodney W. Grimes 158c5aa1dc8SCraig Rodrigues iov = NULL; 159c5aa1dc8SCraig Rodrigues iovlen = 0; 160a6b26402SCraig Rodrigues memset(errmsg, 0, sizeof(errmsg)); 161011981fdSRick Macklem gssname = NULL; 162c5aa1dc8SCraig Rodrigues 1638fae3551SRodney W. Grimes while ((c = getopt(argc, argv, 16486ce6a83SRobert Watson "23a:bcdD:g:I:iLlNo:PR:r:sTt:w:x:U")) != -1) 1658fae3551SRodney W. Grimes switch (c) { 1662cd1c32cSDoug Rabson case '2': 1672cd1c32cSDoug Rabson mountmode = V2; 1682cd1c32cSDoug Rabson break; 169a62dc406SDoug Rabson case '3': 1702cd1c32cSDoug Rabson mountmode = V3; 171a62dc406SDoug Rabson break; 1728fae3551SRodney W. Grimes case 'a': 173baa0988aSJaakko Heinonen printf("-a deprecated, use -o readahead=<value>\n"); 1744b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readahead", optarg, (size_t)-1); 1758fae3551SRodney W. Grimes break; 1768fae3551SRodney W. Grimes case 'b': 1778fae3551SRodney W. Grimes opflags |= BGRND; 1788fae3551SRodney W. Grimes break; 1798fae3551SRodney W. Grimes case 'c': 1804b5bc283SCraig Rodrigues printf("-c deprecated, use -o noconn\n"); 1814b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noconn", NULL, 0); 1824b5bc283SCraig Rodrigues noconn = 1; 1838fae3551SRodney W. Grimes break; 1848fae3551SRodney W. Grimes case 'D': 1854b5bc283SCraig Rodrigues printf("-D deprecated, use -o deadthresh=<value>\n"); 1864b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "deadthresh", optarg, (size_t)-1); 1878fae3551SRodney W. Grimes break; 1888fae3551SRodney W. Grimes case 'd': 1894b5bc283SCraig Rodrigues printf("-d deprecated, use -o dumbtimer"); 1904b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "dumbtimer", NULL, 0); 1918fae3551SRodney W. Grimes break; 1928fae3551SRodney W. Grimes case 'g': 1934b5bc283SCraig Rodrigues printf("-g deprecated, use -o maxgroups"); 1948fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 1958fae3551SRodney W. Grimes if (*p || num <= 0) 1968fae3551SRodney W. Grimes errx(1, "illegal -g value -- %s", optarg); 1974b5bc283SCraig Rodrigues //set_rpc_maxgrouplist(num); 1984b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "maxgroups", optarg, (size_t)-1); 1998fae3551SRodney W. Grimes break; 200a62dc406SDoug Rabson case 'I': 2014b5bc283SCraig Rodrigues printf("-I deprecated, use -o readdirsize=<value>\n"); 2024b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "readdirsize", optarg, (size_t)-1); 203a62dc406SDoug Rabson break; 2048fae3551SRodney W. Grimes case 'i': 2054b5bc283SCraig Rodrigues printf("-i deprecated, use -o intr\n"); 2064b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "intr", NULL, 0); 2078fae3551SRodney W. Grimes break; 20813190d87SAlfred Perlstein case 'L': 209d97326d0SSimon L. B. Nielsen printf("-L deprecated, use -o nolockd\n"); 2104b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "nolockd", NULL, 0); 21113190d87SAlfred Perlstein break; 2128fae3551SRodney W. Grimes case 'l': 2134b5bc283SCraig Rodrigues printf("-l deprecated, -o rdirplus\n"); 2144b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rdirplus", NULL, 0); 2158fae3551SRodney W. Grimes break; 216cc75b131SJoerg Wunsch case 'N': 2174b5bc283SCraig Rodrigues printf("-N deprecated, do not specify -o resvport\n"); 218cc75b131SJoerg Wunsch break; 2194b5bc283SCraig Rodrigues case 'o': { 2204b5bc283SCraig Rodrigues int pass_flag_to_nmount; 2214b5bc283SCraig Rodrigues char *opt = optarg; 2224b5bc283SCraig Rodrigues while (opt) { 2234b5bc283SCraig Rodrigues char *pval = NULL; 2244b5bc283SCraig Rodrigues char *pnextopt = NULL; 2256575d184SEdward Tomasz Napierala const char *val = ""; 2264b5bc283SCraig Rodrigues pass_flag_to_nmount = 1; 2274b5bc283SCraig Rodrigues pnextopt = strchr(opt, ','); 228bdb40379SJaakko Heinonen if (pnextopt != NULL) { 229bdb40379SJaakko Heinonen *pnextopt = '\0'; 230bdb40379SJaakko Heinonen pnextopt++; 231bdb40379SJaakko Heinonen } 232bdb40379SJaakko Heinonen pval = strchr(opt, '='); 2334b5bc283SCraig Rodrigues if (pval != NULL) { 2344b5bc283SCraig Rodrigues *pval = '\0'; 2354b5bc283SCraig Rodrigues val = pval + 1; 2364b5bc283SCraig Rodrigues } 2374b5bc283SCraig Rodrigues if (strcmp(opt, "bg") == 0) { 2383fa88decSGarrett Wollman opflags |= BGRND; 2394b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2404b5bc283SCraig Rodrigues } else if (strcmp(opt, "fg") == 0) { 2414b5bc283SCraig Rodrigues /* same as not specifying -o bg */ 2424b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 243011981fdSRick Macklem } else if (strcmp(opt, "gssname") == 0) { 244011981fdSRick Macklem pass_flag_to_nmount = 0; 245011981fdSRick Macklem gssname = val; 2464b5bc283SCraig Rodrigues } else if (strcmp(opt, "mntudp") == 0) { 247a62dc406SDoug Rabson mnttcp_ok = 0; 248bf005f32SKris Kennaway nfsproto = IPPROTO_UDP; 2494b5bc283SCraig Rodrigues } else if (strcmp(opt, "udp") == 0) { 2504b5bc283SCraig Rodrigues nfsproto = IPPROTO_UDP; 2514b5bc283SCraig Rodrigues } else if (strcmp(opt, "tcp") == 0) { 252a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 2534b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet4") == 0) { 2544b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2554b5bc283SCraig Rodrigues opflags |= OF_NOINET4; 2564b5bc283SCraig Rodrigues } else if (strcmp(opt, "noinet6") == 0) { 2574b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2584b5bc283SCraig Rodrigues opflags |= OF_NOINET6; 2594b5bc283SCraig Rodrigues } else if (strcmp(opt, "noconn") == 0) { 2604b5bc283SCraig Rodrigues noconn = 1; 2614b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv2") == 0) { 2624b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2634b5bc283SCraig Rodrigues mountmode = V2; 2644b5bc283SCraig Rodrigues } else if (strcmp(opt, "nfsv3") == 0) { 2654b5bc283SCraig Rodrigues mountmode = V3; 266011981fdSRick Macklem } else if (strcmp(opt, "nfsv4") == 0) { 267011981fdSRick Macklem pass_flag_to_nmount=0; 268011981fdSRick Macklem mountmode = V4; 269011981fdSRick Macklem nfsproto = IPPROTO_TCP; 270011981fdSRick Macklem if (portspec == NULL) 271011981fdSRick Macklem portspec = "2049"; 2724b5bc283SCraig Rodrigues } else if (strcmp(opt, "port") == 0) { 2734b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 2746575d184SEdward Tomasz Napierala asprintf(&tmp, "%d", atoi(val)); 2756575d184SEdward Tomasz Napierala if (tmp == NULL) 276317d5933SIan Dowse err(1, "asprintf"); 2776575d184SEdward Tomasz Napierala portspec = tmp; 278011981fdSRick Macklem } else if (strcmp(opt, "principal") == 0) { 279011981fdSRick Macklem got_principal = 1; 2805a06ac35SEdward Tomasz Napierala } else if (strcmp(opt, "proto") == 0) { 2815a06ac35SEdward Tomasz Napierala pass_flag_to_nmount=0; 2825a06ac35SEdward Tomasz Napierala if (strcmp(val, "tcp") == 0) { 2835a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_TCP; 2845a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET6; 2855a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 2865a06ac35SEdward Tomasz Napierala "tcp", NULL, 0); 2875a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "udp") == 0) { 2885a06ac35SEdward Tomasz Napierala mnttcp_ok = 0; 2895a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_UDP; 2905a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET6; 2915a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 2925a06ac35SEdward Tomasz Napierala "udp", NULL, 0); 2935a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "tcp6") == 0) { 2945a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_TCP; 2955a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET4; 2965a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 2975a06ac35SEdward Tomasz Napierala "tcp", NULL, 0); 2985a06ac35SEdward Tomasz Napierala } else if (strcmp(val, "udp6") == 0) { 2995a06ac35SEdward Tomasz Napierala mnttcp_ok = 0; 3005a06ac35SEdward Tomasz Napierala nfsproto = IPPROTO_UDP; 3015a06ac35SEdward Tomasz Napierala opflags |= OF_NOINET4; 3025a06ac35SEdward Tomasz Napierala build_iovec(&iov, &iovlen, 3035a06ac35SEdward Tomasz Napierala "udp", NULL, 0); 3045a06ac35SEdward Tomasz Napierala } else { 3055a06ac35SEdward Tomasz Napierala errx(1, 3065a06ac35SEdward Tomasz Napierala "illegal proto value -- %s", 3075a06ac35SEdward Tomasz Napierala val); 3085a06ac35SEdward Tomasz Napierala } 309a9148abdSDoug Rabson } else if (strcmp(opt, "sec") == 0) { 310a9148abdSDoug Rabson /* 311a9148abdSDoug Rabson * Don't add this option to 312a9148abdSDoug Rabson * the iovec yet - we will 313a9148abdSDoug Rabson * negotiate which sec flavor 314a9148abdSDoug Rabson * to use with the remote 315a9148abdSDoug Rabson * mountd. 316a9148abdSDoug Rabson */ 317a9148abdSDoug Rabson pass_flag_to_nmount=0; 318a9148abdSDoug Rabson secflavor = sec_name_to_num(val); 319a9148abdSDoug Rabson if (secflavor < 0) { 320a9148abdSDoug Rabson errx(1, 321a9148abdSDoug Rabson "illegal sec value -- %s", 322a9148abdSDoug Rabson val); 323a9148abdSDoug Rabson } 3244b5bc283SCraig Rodrigues } else if (strcmp(opt, "retrycnt") == 0) { 3254b5bc283SCraig Rodrigues pass_flag_to_nmount=0; 3264b5bc283SCraig Rodrigues num = strtol(val, &p, 10); 3274b5bc283SCraig Rodrigues if (*p || num < 0) 3284b5bc283SCraig Rodrigues errx(1, "illegal retrycnt value -- %s", val); 3294b5bc283SCraig Rodrigues retrycnt = num; 3304b5bc283SCraig Rodrigues } else if (strcmp(opt, "maxgroups") == 0) { 3314b5bc283SCraig Rodrigues num = strtol(val, &p, 10); 3324b5bc283SCraig Rodrigues if (*p || num <= 0) 3334b5bc283SCraig Rodrigues errx(1, "illegal maxgroups value -- %s", val); 3344b5bc283SCraig Rodrigues //set_rpc_maxgrouplist(num); 335528c159fSBjoern A. Zeeb } else if (strcmp(opt, "vers") == 0) { 336528c159fSBjoern A. Zeeb num = strtol(val, &p, 10); 337528c159fSBjoern A. Zeeb if (*p || num <= 0) 338528c159fSBjoern A. Zeeb errx(1, "illegal vers value -- " 339528c159fSBjoern A. Zeeb "%s", val); 340528c159fSBjoern A. Zeeb switch (num) { 341528c159fSBjoern A. Zeeb case 2: 342528c159fSBjoern A. Zeeb mountmode = V2; 343528c159fSBjoern A. Zeeb break; 344528c159fSBjoern A. Zeeb case 3: 345528c159fSBjoern A. Zeeb mountmode = V3; 346528c159fSBjoern A. Zeeb build_iovec(&iov, &iovlen, 347528c159fSBjoern A. Zeeb "nfsv3", NULL, 0); 348528c159fSBjoern A. Zeeb break; 349528c159fSBjoern A. Zeeb case 4: 350528c159fSBjoern A. Zeeb mountmode = V4; 351528c159fSBjoern A. Zeeb nfsproto = IPPROTO_TCP; 352528c159fSBjoern A. Zeeb if (portspec == NULL) 353528c159fSBjoern A. Zeeb portspec = "2049"; 354528c159fSBjoern A. Zeeb break; 355528c159fSBjoern A. Zeeb default: 356528c159fSBjoern A. Zeeb errx(1, "illegal nfs version " 357528c159fSBjoern A. Zeeb "value -- %s", val); 358528c159fSBjoern A. Zeeb } 359528c159fSBjoern A. Zeeb pass_flag_to_nmount=0; 360317d5933SIan Dowse } 3616575d184SEdward Tomasz Napierala if (pass_flag_to_nmount) { 3626575d184SEdward Tomasz Napierala build_iovec(&iov, &iovlen, opt, 3636575d184SEdward Tomasz Napierala __DECONST(void *, val), 3644b5bc283SCraig Rodrigues strlen(val) + 1); 3656575d184SEdward Tomasz Napierala } 3664b5bc283SCraig Rodrigues opt = pnextopt; 3674db56604SPeter Wemm } 3684db56604SPeter Wemm } 3698fae3551SRodney W. Grimes break; 3708fae3551SRodney W. Grimes case 'P': 3714b5bc283SCraig Rodrigues /* obsolete for -o noresvport now default */ 3724b5bc283SCraig Rodrigues printf("-P deprecated, use -o noresvport\n"); 3734b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "noresvport", NULL, 0); 3748fae3551SRodney W. Grimes break; 3758fae3551SRodney W. Grimes case 'R': 3764b5bc283SCraig Rodrigues printf("-R deprecated, use -o retrycnt=<retrycnt>\n"); 3778fae3551SRodney W. Grimes num = strtol(optarg, &p, 10); 378e16873daSIan Dowse if (*p || num < 0) 3798fae3551SRodney W. Grimes errx(1, "illegal -R value -- %s", optarg); 3808fae3551SRodney W. Grimes retrycnt = num; 3818fae3551SRodney W. Grimes break; 3828fae3551SRodney W. Grimes case 'r': 3834b5bc283SCraig Rodrigues printf("-r deprecated, use -o rsize=<rsize>\n"); 3844b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "rsize", optarg, (size_t)-1); 3858fae3551SRodney W. Grimes break; 3868fae3551SRodney W. Grimes case 's': 3874b5bc283SCraig Rodrigues printf("-s deprecated, use -o soft\n"); 3884b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "soft", NULL, 0); 3898fae3551SRodney W. Grimes break; 3908fae3551SRodney W. Grimes case 'T': 391a62dc406SDoug Rabson nfsproto = IPPROTO_TCP; 3924b5bc283SCraig Rodrigues printf("-T deprecated, use -o tcp\n"); 3938fae3551SRodney W. Grimes break; 3948fae3551SRodney W. Grimes case 't': 3954b5bc283SCraig Rodrigues printf("-t deprecated, use -o timeout=<value>\n"); 3964b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "timeout", optarg, (size_t)-1); 3978fae3551SRodney W. Grimes break; 3988fae3551SRodney W. Grimes case 'w': 3994b5bc283SCraig Rodrigues printf("-w deprecated, use -o wsize=<value>\n"); 4004b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "wsize", optarg, (size_t)-1); 4018fae3551SRodney W. Grimes break; 4028fae3551SRodney W. Grimes case 'x': 4034b5bc283SCraig Rodrigues printf("-x deprecated, use -o retrans=<value>\n"); 4044b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "retrans", optarg, (size_t)-1); 4058fae3551SRodney W. Grimes break; 406a62dc406SDoug Rabson case 'U': 4074b5bc283SCraig Rodrigues printf("-U deprecated, use -o mntudp\n"); 408a62dc406SDoug Rabson mnttcp_ok = 0; 4090c269d1fSCraig Rodrigues nfsproto = IPPROTO_UDP; 4104b5bc283SCraig Rodrigues build_iovec(&iov, &iovlen, "mntudp", NULL, 0); 411a62dc406SDoug Rabson break; 4128fae3551SRodney W. Grimes default: 4138fae3551SRodney W. Grimes usage(); 4148fae3551SRodney W. Grimes break; 4158fae3551SRodney W. Grimes } 4168fae3551SRodney W. Grimes argc -= optind; 4178fae3551SRodney W. Grimes argv += optind; 4188fae3551SRodney W. Grimes 4194a4c5285SPeter Wemm if (argc != 2) { 4202f21d07aSDavid Greenman usage(); 4214a4c5285SPeter Wemm /* NOTREACHED */ 4224a4c5285SPeter Wemm } 4238fae3551SRodney W. Grimes 4248fae3551SRodney W. Grimes spec = *argv++; 4256575d184SEdward Tomasz Napierala mntname = *argv; 4268fae3551SRodney W. Grimes 427e16873daSIan Dowse if (retrycnt == -1) 4282bc53e11SIan Dowse /* The default is to keep retrying forever. */ 4292bc53e11SIan Dowse retrycnt = 0; 4300c269d1fSCraig Rodrigues 431011981fdSRick Macklem if (modfind("nfscl") < 0) { 432011981fdSRick Macklem /* Not present in kernel, try loading it */ 433011981fdSRick Macklem if (kldload("nfscl") < 0 || 434011981fdSRick Macklem modfind("nfscl") < 0) 435011981fdSRick Macklem errx(1, "nfscl is not available"); 436011981fdSRick Macklem } 437011981fdSRick Macklem 438011981fdSRick Macklem /* 439011981fdSRick Macklem * Add the fqdn to the gssname, as required. 440011981fdSRick Macklem */ 441011981fdSRick Macklem if (gssname != NULL) { 442011981fdSRick Macklem if (strchr(gssname, '@') == NULL && 443011981fdSRick Macklem gethostname(hostname, MAXHOSTNAMELEN) == 0) { 444011981fdSRick Macklem snprintf(gssn, sizeof (gssn), "%s@%s", gssname, 445011981fdSRick Macklem hostname); 446011981fdSRick Macklem gssname = gssn; 447011981fdSRick Macklem } 4486575d184SEdward Tomasz Napierala build_iovec(&iov, &iovlen, "gssname", 4496575d184SEdward Tomasz Napierala __DECONST(void *, gssname), strlen(gssname) + 1); 450011981fdSRick Macklem } 451011981fdSRick Macklem 4524b5bc283SCraig Rodrigues if (!getnfsargs(spec, &iov, &iovlen)) 4538fae3551SRodney W. Grimes exit(1); 454d599144dSGarrett Wollman 45573dd3167SPoul-Henning Kamp /* resolve the mountpoint with realpath(3) */ 4566575d184SEdward Tomasz Napierala if (checkpath(mntname, mntpath) != 0) 457d3250014SJaakko Heinonen err(1, "%s", mntpath); 45873dd3167SPoul-Henning Kamp 45925585679SBrooks Davis build_iovec_argf(&iov, &iovlen, "fstype", "nfs"); 460c5aa1dc8SCraig Rodrigues build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1); 461a6b26402SCraig Rodrigues build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg)); 462c5aa1dc8SCraig Rodrigues 4637039dfb3SJung-uk Kim if (nmount(iov, iovlen, 0)) 464773e5651SConrad Meyer err(1, "nmount: %s%s%s", mntpath, errmsg[0] ? ", " : "", 465773e5651SConrad Meyer errmsg); 466a62dc406SDoug Rabson 4678fae3551SRodney W. Grimes exit(0); 4688fae3551SRodney W. Grimes } 4698fae3551SRodney W. Grimes 4704b5bc283SCraig Rodrigues static int 4716575d184SEdward Tomasz Napierala sec_name_to_num(const char *sec) 472a9148abdSDoug Rabson { 473a9148abdSDoug Rabson if (!strcmp(sec, "krb5")) 474a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5); 475a9148abdSDoug Rabson if (!strcmp(sec, "krb5i")) 476a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5I); 477a9148abdSDoug Rabson if (!strcmp(sec, "krb5p")) 478a9148abdSDoug Rabson return (RPCSEC_GSS_KRB5P); 479a9148abdSDoug Rabson if (!strcmp(sec, "sys")) 480a9148abdSDoug Rabson return (AUTH_SYS); 481a9148abdSDoug Rabson return (-1); 482a9148abdSDoug Rabson } 483a9148abdSDoug Rabson 4846575d184SEdward Tomasz Napierala static const char * 485a9148abdSDoug Rabson sec_num_to_name(int flavor) 486a9148abdSDoug Rabson { 487a9148abdSDoug Rabson switch (flavor) { 488a9148abdSDoug Rabson case RPCSEC_GSS_KRB5: 489a9148abdSDoug Rabson return ("krb5"); 490a9148abdSDoug Rabson case RPCSEC_GSS_KRB5I: 491a9148abdSDoug Rabson return ("krb5i"); 492a9148abdSDoug Rabson case RPCSEC_GSS_KRB5P: 493a9148abdSDoug Rabson return ("krb5p"); 494a9148abdSDoug Rabson case AUTH_SYS: 495a9148abdSDoug Rabson return ("sys"); 496a9148abdSDoug Rabson } 497a9148abdSDoug Rabson return (NULL); 498a9148abdSDoug Rabson } 499a9148abdSDoug Rabson 500b352972bSXin LI static int 5014b5bc283SCraig Rodrigues getnfsargs(char *spec, struct iovec **iov, int *iovlen) 5028fae3551SRodney W. Grimes { 5038360efbdSAlfred Perlstein struct addrinfo hints, *ai_nfs, *ai; 504317d5933SIan Dowse enum tryret ret; 505a505d435SHajimu UMEMOTO int ecode, speclen, remoteerr, offset, have_bracket = 0; 506317d5933SIan Dowse char *hostp, *delimp, *errstr; 50766a84ea7SBrian Feldman size_t len; 508011981fdSRick Macklem static char nam[MNAMELEN + 1], pname[MAXHOSTNAMELEN + 5]; 5098fae3551SRodney W. Grimes 510a505d435SHajimu UMEMOTO if (*spec == '[' && (delimp = strchr(spec + 1, ']')) != NULL && 511a505d435SHajimu UMEMOTO *(delimp + 1) == ':') { 512a505d435SHajimu UMEMOTO hostp = spec + 1; 513a505d435SHajimu UMEMOTO spec = delimp + 2; 514a505d435SHajimu UMEMOTO have_bracket = 1; 515a505d435SHajimu UMEMOTO } else if ((delimp = strrchr(spec, ':')) != NULL) { 5168fae3551SRodney W. Grimes hostp = spec; 5178fae3551SRodney W. Grimes spec = delimp + 1; 51873dd3167SPoul-Henning Kamp } else if ((delimp = strrchr(spec, '@')) != NULL) { 51973dd3167SPoul-Henning Kamp warnx("path@server syntax is deprecated, use server:path"); 52073dd3167SPoul-Henning Kamp hostp = delimp + 1; 5218fae3551SRodney W. Grimes } else { 52273dd3167SPoul-Henning Kamp warnx("no <host>:<dirpath> nfs-name"); 5238fae3551SRodney W. Grimes return (0); 5248fae3551SRodney W. Grimes } 5258fae3551SRodney W. Grimes *delimp = '\0'; 52673dd3167SPoul-Henning Kamp 52773dd3167SPoul-Henning Kamp /* 52873dd3167SPoul-Henning Kamp * If there has been a trailing slash at mounttime it seems 52973dd3167SPoul-Henning Kamp * that some mountd implementations fail to remove the mount 53073dd3167SPoul-Henning Kamp * entries from their mountlist while unmounting. 53173dd3167SPoul-Henning Kamp */ 53266a84ea7SBrian Feldman for (speclen = strlen(spec); 53366a84ea7SBrian Feldman speclen > 1 && spec[speclen - 1] == '/'; 53466a84ea7SBrian Feldman speclen--) 53573dd3167SPoul-Henning Kamp spec[speclen - 1] = '\0'; 53673dd3167SPoul-Henning Kamp if (strlen(hostp) + strlen(spec) + 1 > MNAMELEN) { 53773dd3167SPoul-Henning Kamp warnx("%s:%s: %s", hostp, spec, strerror(ENAMETOOLONG)); 53873dd3167SPoul-Henning Kamp return (0); 53973dd3167SPoul-Henning Kamp } 54073dd3167SPoul-Henning Kamp /* Make both '@' and ':' notations equal */ 54166a84ea7SBrian Feldman if (*hostp != '\0') { 54266a84ea7SBrian Feldman len = strlen(hostp); 543a505d435SHajimu UMEMOTO offset = 0; 544a505d435SHajimu UMEMOTO if (have_bracket) 545a505d435SHajimu UMEMOTO nam[offset++] = '['; 546a505d435SHajimu UMEMOTO memmove(nam + offset, hostp, len); 547a505d435SHajimu UMEMOTO if (have_bracket) 548a505d435SHajimu UMEMOTO nam[len + offset++] = ']'; 549a505d435SHajimu UMEMOTO nam[len + offset++] = ':'; 550a505d435SHajimu UMEMOTO memmove(nam + len + offset, spec, speclen); 551a505d435SHajimu UMEMOTO nam[len + speclen + offset] = '\0'; 55266a84ea7SBrian Feldman } 5538fae3551SRodney W. Grimes 5548fae3551SRodney W. Grimes /* 55591196234SPeter Wemm * Handle an internet host address. 5568fae3551SRodney W. Grimes */ 5578360efbdSAlfred Perlstein memset(&hints, 0, sizeof hints); 5588360efbdSAlfred Perlstein hints.ai_flags = AI_NUMERICHOST; 5594b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 5604b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_STREAM; 5614b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 5624b5bc283SCraig Rodrigues hints.ai_socktype = SOCK_DGRAM; 5634b5bc283SCraig Rodrigues 56491196234SPeter Wemm if (getaddrinfo(hostp, portspec, &hints, &ai_nfs) != 0) { 565011981fdSRick Macklem hints.ai_flags = AI_CANONNAME; 566317d5933SIan Dowse if ((ecode = getaddrinfo(hostp, portspec, &hints, &ai_nfs)) 567317d5933SIan Dowse != 0) { 568317d5933SIan Dowse if (portspec == NULL) 569317d5933SIan Dowse errx(1, "%s: %s", hostp, gai_strerror(ecode)); 570317d5933SIan Dowse else 571317d5933SIan Dowse errx(1, "%s:%s: %s", hostp, portspec, 5728360efbdSAlfred Perlstein gai_strerror(ecode)); 5738360efbdSAlfred Perlstein return (0); 5748360efbdSAlfred Perlstein } 575011981fdSRick Macklem 576011981fdSRick Macklem /* 577011981fdSRick Macklem * For a Kerberized nfs mount where the "principal" 578011981fdSRick Macklem * argument has not been set, add it here. 579011981fdSRick Macklem */ 580c088e62eSRick Macklem if (got_principal == 0 && secflavor != AUTH_SYS && 581c088e62eSRick Macklem ai_nfs->ai_canonname != NULL) { 582011981fdSRick Macklem snprintf(pname, sizeof (pname), "nfs@%s", 583011981fdSRick Macklem ai_nfs->ai_canonname); 584011981fdSRick Macklem build_iovec(iov, iovlen, "principal", pname, 585011981fdSRick Macklem strlen(pname) + 1); 586011981fdSRick Macklem } 5878360efbdSAlfred Perlstein } 5888fae3551SRodney W. Grimes 589317d5933SIan Dowse ret = TRYRET_LOCALERR; 590e16873daSIan Dowse for (;;) { 591deffdffaSAndrey A. Chernov /* 592317d5933SIan Dowse * Try each entry returned by getaddrinfo(). Note the 5934b85a12fSUlrich Spörlein * occurrence of remote errors by setting `remoteerr'. 594deffdffaSAndrey A. Chernov */ 595317d5933SIan Dowse remoteerr = 0; 596317d5933SIan Dowse for (ai = ai_nfs; ai != NULL; ai = ai->ai_next) { 597302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET6) && 598302f15f9SMatthew N. Dodd (opflags & OF_NOINET6)) 599302f15f9SMatthew N. Dodd continue; 600302f15f9SMatthew N. Dodd if ((ai->ai_family == AF_INET) && 601302f15f9SMatthew N. Dodd (opflags & OF_NOINET4)) 602302f15f9SMatthew N. Dodd continue; 6034b5bc283SCraig Rodrigues ret = nfs_tryproto(ai, hostp, spec, &errstr, iov, 6044b5bc283SCraig Rodrigues iovlen); 605317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 606317d5933SIan Dowse break; 607317d5933SIan Dowse if (ret != TRYRET_LOCALERR) 608317d5933SIan Dowse remoteerr = 1; 609317d5933SIan Dowse if ((opflags & ISBGRND) == 0) 610317d5933SIan Dowse fprintf(stderr, "%s\n", errstr); 611deffdffaSAndrey A. Chernov } 612317d5933SIan Dowse if (ret == TRYRET_SUCCESS) 613317d5933SIan Dowse break; 614deffdffaSAndrey A. Chernov 615e16873daSIan Dowse /* Exit if all errors were local. */ 616e16873daSIan Dowse if (!remoteerr) 617deffdffaSAndrey A. Chernov exit(1); 618317d5933SIan Dowse 619e16873daSIan Dowse /* 620e16873daSIan Dowse * If retrycnt == 0, we are to keep retrying forever. 621e16873daSIan Dowse * Otherwise decrement it, and exit if it hits zero. 622e16873daSIan Dowse */ 623e16873daSIan Dowse if (retrycnt != 0 && --retrycnt == 0) 624317d5933SIan Dowse exit(1); 625317d5933SIan Dowse 626317d5933SIan Dowse if ((opflags & (BGRND | ISBGRND)) == BGRND) { 627317d5933SIan Dowse warnx("Cannot immediately mount %s:%s, backgrounding", 628317d5933SIan Dowse hostp, spec); 629317d5933SIan Dowse opflags |= ISBGRND; 630317d5933SIan Dowse if (daemon(0, 0) != 0) 631317d5933SIan Dowse err(1, "daemon"); 6328fae3551SRodney W. Grimes } 6338fae3551SRodney W. Grimes sleep(60); 6348fae3551SRodney W. Grimes } 6358360efbdSAlfred Perlstein freeaddrinfo(ai_nfs); 6364b5bc283SCraig Rodrigues 6374b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "hostname", nam, (size_t)-1); 638a69497d7SMatthew Dillon /* Add mounted file system to PATH_MOUNTTAB */ 63913622763SRick Macklem if (mountmode != V4 && !add_mtab(hostp, spec)) 640a69497d7SMatthew Dillon warnx("can't update %s for %s:%s", PATH_MOUNTTAB, hostp, spec); 6418fae3551SRodney W. Grimes return (1); 6428fae3551SRodney W. Grimes } 6438fae3551SRodney W. Grimes 6448fae3551SRodney W. Grimes /* 645317d5933SIan Dowse * Try to set up the NFS arguments according to the address 646317d5933SIan Dowse * family, protocol (and possibly port) specified in `ai'. 647317d5933SIan Dowse * 648317d5933SIan Dowse * Returns TRYRET_SUCCESS if successful, or: 649317d5933SIan Dowse * TRYRET_TIMEOUT The server did not respond. 650317d5933SIan Dowse * TRYRET_REMOTEERR The server reported an error. 651317d5933SIan Dowse * TRYRET_LOCALERR Local failure. 652317d5933SIan Dowse * 653317d5933SIan Dowse * In all error cases, *errstr will be set to a statically-allocated string 654317d5933SIan Dowse * describing the error. 655317d5933SIan Dowse */ 656b352972bSXin LI static enum tryret 6574b5bc283SCraig Rodrigues nfs_tryproto(struct addrinfo *ai, char *hostp, char *spec, char **errstr, 6584b5bc283SCraig Rodrigues struct iovec **iov, int *iovlen) 659317d5933SIan Dowse { 660317d5933SIan Dowse static char errbuf[256]; 661317d5933SIan Dowse struct sockaddr_storage nfs_ss; 662317d5933SIan Dowse struct netbuf nfs_nb; 663317d5933SIan Dowse struct nfhret nfhret; 664317d5933SIan Dowse struct timeval try; 665317d5933SIan Dowse struct rpc_err rpcerr; 666317d5933SIan Dowse CLIENT *clp; 667317d5933SIan Dowse struct netconfig *nconf, *nconf_mnt; 6686575d184SEdward Tomasz Napierala const char *netid, *netid_mnt, *secname; 6694b5bc283SCraig Rodrigues int doconnect, nfsvers, mntvers, sotype; 6706575d184SEdward Tomasz Napierala enum clnt_stat clntstat; 671317d5933SIan Dowse enum mountmode trymntmode; 672317d5933SIan Dowse 673d0654c85SKevin Lo sotype = 0; 674317d5933SIan Dowse trymntmode = mountmode; 675317d5933SIan Dowse errbuf[0] = '\0'; 676317d5933SIan Dowse *errstr = errbuf; 677317d5933SIan Dowse 6784b5bc283SCraig Rodrigues if (nfsproto == IPPROTO_TCP) 6794b5bc283SCraig Rodrigues sotype = SOCK_STREAM; 6804b5bc283SCraig Rodrigues else if (nfsproto == IPPROTO_UDP) 6814b5bc283SCraig Rodrigues sotype = SOCK_DGRAM; 6824b5bc283SCraig Rodrigues 6834b5bc283SCraig Rodrigues if ((netid = netidbytype(ai->ai_family, sotype)) == NULL) { 684a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 6854b5bc283SCraig Rodrigues "af %d sotype %d not supported", ai->ai_family, sotype); 686a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 687a3d8f94bSIan Dowse } 688a3d8f94bSIan Dowse if ((nconf = getnetconf_cached(netid)) == NULL) { 689317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid, nc_sperror()); 690317d5933SIan Dowse return (TRYRET_LOCALERR); 691317d5933SIan Dowse } 692317d5933SIan Dowse /* The RPCPROG_MNT netid may be different. */ 693317d5933SIan Dowse if (mnttcp_ok) { 694ba33efd9SIan Dowse netid_mnt = netid; 695317d5933SIan Dowse nconf_mnt = nconf; 696317d5933SIan Dowse } else { 697a3d8f94bSIan Dowse if ((netid_mnt = netidbytype(ai->ai_family, SOCK_DGRAM)) 698a3d8f94bSIan Dowse == NULL) { 699a3d8f94bSIan Dowse snprintf(errbuf, sizeof errbuf, 700a3d8f94bSIan Dowse "af %d sotype SOCK_DGRAM not supported", 701a3d8f94bSIan Dowse ai->ai_family); 702a3d8f94bSIan Dowse return (TRYRET_LOCALERR); 703a3d8f94bSIan Dowse } 704a3d8f94bSIan Dowse if ((nconf_mnt = getnetconf_cached(netid_mnt)) == NULL) { 705ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "%s: %s", netid_mnt, 706317d5933SIan Dowse nc_sperror()); 707317d5933SIan Dowse return (TRYRET_LOCALERR); 708317d5933SIan Dowse } 709317d5933SIan Dowse } 710317d5933SIan Dowse 711317d5933SIan Dowse tryagain: 712011981fdSRick Macklem if (trymntmode == V4) { 713011981fdSRick Macklem nfsvers = 4; 7146575d184SEdward Tomasz Napierala mntvers = 3; /* Workaround for GCC. */ 715011981fdSRick Macklem } else if (trymntmode == V2) { 716317d5933SIan Dowse nfsvers = 2; 717317d5933SIan Dowse mntvers = 1; 718317d5933SIan Dowse } else { 719317d5933SIan Dowse nfsvers = 3; 720317d5933SIan Dowse mntvers = 3; 721317d5933SIan Dowse } 722317d5933SIan Dowse 723317d5933SIan Dowse if (portspec != NULL) { 724317d5933SIan Dowse /* `ai' contains the complete nfsd sockaddr. */ 725317d5933SIan Dowse nfs_nb.buf = ai->ai_addr; 726317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = ai->ai_addrlen; 727317d5933SIan Dowse } else { 728317d5933SIan Dowse /* Ask the remote rpcbind. */ 729317d5933SIan Dowse nfs_nb.buf = &nfs_ss; 730317d5933SIan Dowse nfs_nb.len = nfs_nb.maxlen = sizeof nfs_ss; 731317d5933SIan Dowse 7320775314bSDoug Rabson if (!rpcb_getaddr(NFS_PROGRAM, nfsvers, nconf, &nfs_nb, 733317d5933SIan Dowse hostp)) { 734317d5933SIan Dowse if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH && 735317d5933SIan Dowse trymntmode == ANY) { 736317d5933SIan Dowse trymntmode = V2; 737317d5933SIan Dowse goto tryagain; 738317d5933SIan Dowse } 739317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", 740317d5933SIan Dowse netid, hostp, spec, 741317d5933SIan Dowse clnt_spcreateerror("RPCPROG_NFS")); 742317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 743317d5933SIan Dowse &rpc_createerr.cf_error)); 744317d5933SIan Dowse } 745317d5933SIan Dowse } 746317d5933SIan Dowse 747317d5933SIan Dowse /* Check that the server (nfsd) responds on the port we have chosen. */ 7480775314bSDoug Rabson clp = clnt_tli_create(RPC_ANYFD, nconf, &nfs_nb, NFS_PROGRAM, nfsvers, 749317d5933SIan Dowse 0, 0); 750317d5933SIan Dowse if (clp == NULL) { 751317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 752317d5933SIan Dowse hostp, spec, clnt_spcreateerror("nfsd: RPCPROG_NFS")); 753317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 754317d5933SIan Dowse &rpc_createerr.cf_error)); 755317d5933SIan Dowse } 7564b5bc283SCraig Rodrigues if (sotype == SOCK_DGRAM && noconn == 0) { 757eca1c24eSIan Dowse /* 758eca1c24eSIan Dowse * Use connect(), to match what the kernel does. This 759eca1c24eSIan Dowse * catches cases where the server responds from the 760eca1c24eSIan Dowse * wrong source address. 761eca1c24eSIan Dowse */ 762eca1c24eSIan Dowse doconnect = 1; 763eca1c24eSIan Dowse if (!clnt_control(clp, CLSET_CONNECT, (char *)&doconnect)) { 764eca1c24eSIan Dowse clnt_destroy(clp); 765eca1c24eSIan Dowse snprintf(errbuf, sizeof errbuf, 766eca1c24eSIan Dowse "[%s] %s:%s: CLSET_CONNECT failed", netid, hostp, 767eca1c24eSIan Dowse spec); 768eca1c24eSIan Dowse return (TRYRET_LOCALERR); 769eca1c24eSIan Dowse } 770eca1c24eSIan Dowse } 771eca1c24eSIan Dowse 772317d5933SIan Dowse try.tv_sec = 10; 773317d5933SIan Dowse try.tv_usec = 0; 7746575d184SEdward Tomasz Napierala clntstat = clnt_call(clp, NFSPROC_NULL, (xdrproc_t)xdr_void, NULL, 775011981fdSRick Macklem (xdrproc_t)xdr_void, NULL, try); 7766575d184SEdward Tomasz Napierala if (clntstat != RPC_SUCCESS) { 7776575d184SEdward Tomasz Napierala if (clntstat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 778317d5933SIan Dowse clnt_destroy(clp); 779317d5933SIan Dowse trymntmode = V2; 780317d5933SIan Dowse goto tryagain; 781317d5933SIan Dowse } 782317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 783317d5933SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid, 784317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "NFSPROC_NULL")); 785317d5933SIan Dowse clnt_destroy(clp); 7866575d184SEdward Tomasz Napierala return (returncode(clntstat, &rpcerr)); 787317d5933SIan Dowse } 788317d5933SIan Dowse clnt_destroy(clp); 789317d5933SIan Dowse 790011981fdSRick Macklem /* 791011981fdSRick Macklem * For NFSv4, there is no mount protocol. 792011981fdSRick Macklem */ 793011981fdSRick Macklem if (trymntmode == V4) { 794011981fdSRick Macklem /* 795011981fdSRick Macklem * Store the server address in nfsargsp, making 796011981fdSRick Macklem * sure to copy any locally allocated structures. 797011981fdSRick Macklem */ 798011981fdSRick Macklem addrlen = nfs_nb.len; 799011981fdSRick Macklem addr = malloc(addrlen); 800011981fdSRick Macklem if (addr == NULL) 801011981fdSRick Macklem err(1, "malloc"); 802011981fdSRick Macklem bcopy(nfs_nb.buf, addr, addrlen); 803011981fdSRick Macklem 804011981fdSRick Macklem build_iovec(iov, iovlen, "addr", addr, addrlen); 805011981fdSRick Macklem secname = sec_num_to_name(secflavor); 8066575d184SEdward Tomasz Napierala if (secname != NULL) { 8076575d184SEdward Tomasz Napierala build_iovec(iov, iovlen, "sec", 8086575d184SEdward Tomasz Napierala __DECONST(void *, secname), (size_t)-1); 8096575d184SEdward Tomasz Napierala } 810011981fdSRick Macklem build_iovec(iov, iovlen, "nfsv4", NULL, 0); 811011981fdSRick Macklem build_iovec(iov, iovlen, "dirpath", spec, (size_t)-1); 812011981fdSRick Macklem 813011981fdSRick Macklem return (TRYRET_SUCCESS); 814011981fdSRick Macklem } 815011981fdSRick Macklem 8160775314bSDoug Rabson /* Send the MOUNTPROC_MNT RPC to get the root filehandle. */ 817317d5933SIan Dowse try.tv_sec = 10; 818317d5933SIan Dowse try.tv_usec = 0; 8190775314bSDoug Rabson clp = clnt_tp_create(hostp, MOUNTPROG, mntvers, nconf_mnt); 820317d5933SIan Dowse if (clp == NULL) { 821ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 822317d5933SIan Dowse hostp, spec, clnt_spcreateerror("RPCMNT: clnt_create")); 823317d5933SIan Dowse return (returncode(rpc_createerr.cf_stat, 824317d5933SIan Dowse &rpc_createerr.cf_error)); 825317d5933SIan Dowse } 826317d5933SIan Dowse clp->cl_auth = authsys_create_default(); 827a9148abdSDoug Rabson nfhret.auth = secflavor; 828317d5933SIan Dowse nfhret.vers = mntvers; 8296575d184SEdward Tomasz Napierala clntstat = clnt_call(clp, MOUNTPROC_MNT, (xdrproc_t)xdr_dir, spec, 830c04affffSMatthew N. Dodd (xdrproc_t)xdr_fh, &nfhret, 831317d5933SIan Dowse try); 832317d5933SIan Dowse auth_destroy(clp->cl_auth); 8336575d184SEdward Tomasz Napierala if (clntstat != RPC_SUCCESS) { 8346575d184SEdward Tomasz Napierala if (clntstat == RPC_PROGVERSMISMATCH && trymntmode == ANY) { 835317d5933SIan Dowse clnt_destroy(clp); 836317d5933SIan Dowse trymntmode = V2; 837317d5933SIan Dowse goto tryagain; 838317d5933SIan Dowse } 839317d5933SIan Dowse clnt_geterr(clp, &rpcerr); 840ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 841317d5933SIan Dowse hostp, spec, clnt_sperror(clp, "RPCPROG_MNT")); 842317d5933SIan Dowse clnt_destroy(clp); 8436575d184SEdward Tomasz Napierala return (returncode(clntstat, &rpcerr)); 844317d5933SIan Dowse } 845317d5933SIan Dowse clnt_destroy(clp); 846317d5933SIan Dowse 847317d5933SIan Dowse if (nfhret.stat != 0) { 848ba33efd9SIan Dowse snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt, 849317d5933SIan Dowse hostp, spec, strerror(nfhret.stat)); 850317d5933SIan Dowse return (TRYRET_REMOTEERR); 851317d5933SIan Dowse } 852317d5933SIan Dowse 853317d5933SIan Dowse /* 854317d5933SIan Dowse * Store the filehandle and server address in nfsargsp, making 855317d5933SIan Dowse * sure to copy any locally allocated structures. 856317d5933SIan Dowse */ 8574b5bc283SCraig Rodrigues addrlen = nfs_nb.len; 8584b5bc283SCraig Rodrigues addr = malloc(addrlen); 8594b5bc283SCraig Rodrigues fhsize = nfhret.fhsize; 8604b5bc283SCraig Rodrigues fh = malloc(fhsize); 8614b5bc283SCraig Rodrigues if (addr == NULL || fh == NULL) 862317d5933SIan Dowse err(1, "malloc"); 8634b5bc283SCraig Rodrigues bcopy(nfs_nb.buf, addr, addrlen); 8644b5bc283SCraig Rodrigues bcopy(nfhret.nfh, fh, fhsize); 865317d5933SIan Dowse 8664b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "addr", addr, addrlen); 8674b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "fh", fh, fhsize); 868a9148abdSDoug Rabson secname = sec_num_to_name(nfhret.auth); 8696575d184SEdward Tomasz Napierala if (secname) { 8706575d184SEdward Tomasz Napierala build_iovec(iov, iovlen, "sec", 8716575d184SEdward Tomasz Napierala __DECONST(void *, secname), (size_t)-1); 8726575d184SEdward Tomasz Napierala } 873317d5933SIan Dowse if (nfsvers == 3) 8744b5bc283SCraig Rodrigues build_iovec(iov, iovlen, "nfsv3", NULL, 0); 875317d5933SIan Dowse 876317d5933SIan Dowse return (TRYRET_SUCCESS); 877317d5933SIan Dowse } 878317d5933SIan Dowse 8790c269d1fSCraig Rodrigues /* 880317d5933SIan Dowse * Catagorise a RPC return status and error into an `enum tryret' 881317d5933SIan Dowse * return code. 882317d5933SIan Dowse */ 883b352972bSXin LI static enum tryret 8846575d184SEdward Tomasz Napierala returncode(enum clnt_stat clntstat, struct rpc_err *rpcerr) 885317d5933SIan Dowse { 8866575d184SEdward Tomasz Napierala 8876575d184SEdward Tomasz Napierala switch (clntstat) { 888317d5933SIan Dowse case RPC_TIMEDOUT: 889317d5933SIan Dowse return (TRYRET_TIMEOUT); 890317d5933SIan Dowse case RPC_PMAPFAILURE: 891317d5933SIan Dowse case RPC_PROGNOTREGISTERED: 892317d5933SIan Dowse case RPC_PROGVERSMISMATCH: 893eca1c24eSIan Dowse /* XXX, these can be local or remote. */ 894eca1c24eSIan Dowse case RPC_CANTSEND: 895eca1c24eSIan Dowse case RPC_CANTRECV: 896317d5933SIan Dowse return (TRYRET_REMOTEERR); 897317d5933SIan Dowse case RPC_SYSTEMERROR: 898317d5933SIan Dowse switch (rpcerr->re_errno) { 899317d5933SIan Dowse case ETIMEDOUT: 900317d5933SIan Dowse return (TRYRET_TIMEOUT); 901317d5933SIan Dowse case ENOMEM: 902317d5933SIan Dowse break; 903317d5933SIan Dowse default: 904317d5933SIan Dowse return (TRYRET_REMOTEERR); 905317d5933SIan Dowse } 906317d5933SIan Dowse /* FALLTHROUGH */ 907317d5933SIan Dowse default: 908317d5933SIan Dowse break; 909317d5933SIan Dowse } 910317d5933SIan Dowse return (TRYRET_LOCALERR); 911317d5933SIan Dowse } 912317d5933SIan Dowse 913317d5933SIan Dowse /* 914a3d8f94bSIan Dowse * Look up a netid based on an address family and socket type. 915a3d8f94bSIan Dowse * `af' is the address family, and `sotype' is SOCK_DGRAM or SOCK_STREAM. 916a3d8f94bSIan Dowse * 917a3d8f94bSIan Dowse * XXX there should be a library function for this. 918a3d8f94bSIan Dowse */ 919b352972bSXin LI static const char * 92033924ad4SWarner Losh netidbytype(int af, int sotype) 92133924ad4SWarner Losh { 922a3d8f94bSIan Dowse struct nc_protos *p; 923a3d8f94bSIan Dowse 924a3d8f94bSIan Dowse for (p = nc_protos; p->netid != NULL; p++) { 925a3d8f94bSIan Dowse if (af != p->af || sotype != p->sotype) 926a3d8f94bSIan Dowse continue; 927a3d8f94bSIan Dowse return (p->netid); 928a3d8f94bSIan Dowse } 929a3d8f94bSIan Dowse return (NULL); 930a3d8f94bSIan Dowse } 931a3d8f94bSIan Dowse 932a3d8f94bSIan Dowse /* 933a3d8f94bSIan Dowse * Look up a netconfig entry based on a netid, and cache the result so 934a3d8f94bSIan Dowse * that we don't need to remember to call freenetconfigent(). 935a3d8f94bSIan Dowse * 936a3d8f94bSIan Dowse * Otherwise it behaves just like getnetconfigent(), so nc_*error() 937a3d8f94bSIan Dowse * work on failure. 938a3d8f94bSIan Dowse */ 939b352972bSXin LI static struct netconfig * 94033924ad4SWarner Losh getnetconf_cached(const char *netid) 94133924ad4SWarner Losh { 942a3d8f94bSIan Dowse static struct nc_entry { 943a3d8f94bSIan Dowse struct netconfig *nconf; 944a3d8f94bSIan Dowse struct nc_entry *next; 945a3d8f94bSIan Dowse } *head; 946a3d8f94bSIan Dowse struct nc_entry *p; 947a3d8f94bSIan Dowse struct netconfig *nconf; 948a3d8f94bSIan Dowse 949a3d8f94bSIan Dowse for (p = head; p != NULL; p = p->next) 950a3d8f94bSIan Dowse if (strcmp(netid, p->nconf->nc_netid) == 0) 951a3d8f94bSIan Dowse return (p->nconf); 952a3d8f94bSIan Dowse 953a3d8f94bSIan Dowse if ((nconf = getnetconfigent(netid)) == NULL) 954a3d8f94bSIan Dowse return (NULL); 955a3d8f94bSIan Dowse if ((p = malloc(sizeof(*p))) == NULL) 956a3d8f94bSIan Dowse err(1, "malloc"); 957a3d8f94bSIan Dowse p->nconf = nconf; 958a3d8f94bSIan Dowse p->next = head; 959a3d8f94bSIan Dowse head = p; 960a3d8f94bSIan Dowse 961a3d8f94bSIan Dowse return (p->nconf); 962a3d8f94bSIan Dowse } 963a3d8f94bSIan Dowse 964a3d8f94bSIan Dowse /* 9658fae3551SRodney W. Grimes * xdr routines for mount rpc's 9668fae3551SRodney W. Grimes */ 967b352972bSXin LI static int 96833924ad4SWarner Losh xdr_dir(XDR *xdrsp, char *dirp) 9698fae3551SRodney W. Grimes { 9700775314bSDoug Rabson return (xdr_string(xdrsp, &dirp, MNTPATHLEN)); 9718fae3551SRodney W. Grimes } 9728fae3551SRodney W. Grimes 973b352972bSXin LI static int 97433924ad4SWarner Losh xdr_fh(XDR *xdrsp, struct nfhret *np) 9758fae3551SRodney W. Grimes { 9763d438ad6SDavid E. O'Brien int i; 977a62dc406SDoug Rabson long auth, authcnt, authfnd = 0; 978a62dc406SDoug Rabson 979a62dc406SDoug Rabson if (!xdr_u_long(xdrsp, &np->stat)) 9808fae3551SRodney W. Grimes return (0); 9818fae3551SRodney W. Grimes if (np->stat) 9828fae3551SRodney W. Grimes return (1); 983a62dc406SDoug Rabson switch (np->vers) { 984a62dc406SDoug Rabson case 1: 9850775314bSDoug Rabson np->fhsize = NFS_FHSIZE; 9860775314bSDoug Rabson return (xdr_opaque(xdrsp, (caddr_t)np->nfh, NFS_FHSIZE)); 987a62dc406SDoug Rabson case 3: 988a62dc406SDoug Rabson if (!xdr_long(xdrsp, &np->fhsize)) 989a62dc406SDoug Rabson return (0); 9900775314bSDoug Rabson if (np->fhsize <= 0 || np->fhsize > NFS3_FHSIZE) 991a62dc406SDoug Rabson return (0); 992a62dc406SDoug Rabson if (!xdr_opaque(xdrsp, (caddr_t)np->nfh, np->fhsize)) 993a62dc406SDoug Rabson return (0); 994a62dc406SDoug Rabson if (!xdr_long(xdrsp, &authcnt)) 995a62dc406SDoug Rabson return (0); 996a62dc406SDoug Rabson for (i = 0; i < authcnt; i++) { 997a62dc406SDoug Rabson if (!xdr_long(xdrsp, &auth)) 998a62dc406SDoug Rabson return (0); 9994b5bc283SCraig Rodrigues if (np->auth == -1) { 10004b5bc283SCraig Rodrigues np->auth = auth; 1001a62dc406SDoug Rabson authfnd++; 10024b5bc283SCraig Rodrigues } else if (auth == np->auth) { 10034b5bc283SCraig Rodrigues authfnd++; 10044b5bc283SCraig Rodrigues } 1005a62dc406SDoug Rabson } 1006a62dc406SDoug Rabson /* 1007a62dc406SDoug Rabson * Some servers, such as DEC's OSF/1 return a nil authenticator 1008a62dc406SDoug Rabson * list to indicate RPCAUTH_UNIX. 1009a62dc406SDoug Rabson */ 10104b5bc283SCraig Rodrigues if (authcnt == 0 && np->auth == -1) 10114b5bc283SCraig Rodrigues np->auth = AUTH_SYS; 10124b5bc283SCraig Rodrigues if (!authfnd && (authcnt > 0 || np->auth != AUTH_SYS)) 1013a62dc406SDoug Rabson np->stat = EAUTH; 1014a62dc406SDoug Rabson return (1); 101580c7cc1cSPedro F. Giffuni } 1016a62dc406SDoug Rabson return (0); 10178fae3551SRodney W. Grimes } 10188fae3551SRodney W. Grimes 1019b352972bSXin LI static void 1020b352972bSXin LI usage(void) 10218fae3551SRodney W. Grimes { 102246fc8f78SPhilippe Charnier (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 102386ce6a83SRobert Watson "usage: mount_nfs [-23bcdiLlNPsTU] [-a maxreadahead] [-D deadthresh]", 10248d646af5SRuslan Ermilov " [-g maxgroups] [-I readdirsize] [-o options] [-R retrycnt]", 10258d646af5SRuslan Ermilov " [-r readsize] [-t timeout] [-w writesize] [-x retrans]", 10268d646af5SRuslan Ermilov " rhost:path node"); 10278fae3551SRodney W. Grimes exit(1); 10288fae3551SRodney W. Grimes } 1029