mount_nfs.c revision 1.61.2.2
1 1.61.2.2 yamt /* $NetBSD: mount_nfs.c,v 1.61.2.2 2007/11/30 16:13:16 yamt Exp $ */ 2 1.61.2.2 yamt 3 1.61.2.2 yamt /* 4 1.61.2.2 yamt * Copyright (c) 1992, 1993, 1994 5 1.61.2.2 yamt * The Regents of the University of California. All rights reserved. 6 1.61.2.2 yamt * 7 1.61.2.2 yamt * This code is derived from software contributed to Berkeley by 8 1.61.2.2 yamt * Rick Macklem at The University of Guelph. 9 1.61.2.2 yamt * 10 1.61.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.61.2.2 yamt * modification, are permitted provided that the following conditions 12 1.61.2.2 yamt * are met: 13 1.61.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.61.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.61.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.61.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.61.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.61.2.2 yamt * 3. Neither the name of the University nor the names of its contributors 19 1.61.2.2 yamt * may be used to endorse or promote products derived from this software 20 1.61.2.2 yamt * without specific prior written permission. 21 1.61.2.2 yamt * 22 1.61.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 1.61.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 1.61.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 1.61.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 1.61.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 1.61.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 1.61.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 1.61.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 1.61.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.61.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.61.2.2 yamt * SUCH DAMAGE. 33 1.61.2.2 yamt */ 34 1.61.2.2 yamt 35 1.61.2.2 yamt #include <sys/cdefs.h> 36 1.61.2.2 yamt #ifndef lint 37 1.61.2.2 yamt __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\ 38 1.61.2.2 yamt The Regents of the University of California. All rights reserved.\n"); 39 1.61.2.2 yamt #endif /* not lint */ 40 1.61.2.2 yamt 41 1.61.2.2 yamt #ifndef lint 42 1.61.2.2 yamt #if 0 43 1.61.2.2 yamt static char sccsid[] = "@(#)mount_nfs.c 8.11 (Berkeley) 5/4/95"; 44 1.61.2.2 yamt #else 45 1.61.2.2 yamt __RCSID("$NetBSD: mount_nfs.c,v 1.61.2.2 2007/11/30 16:13:16 yamt Exp $"); 46 1.61.2.2 yamt #endif 47 1.61.2.2 yamt #endif /* not lint */ 48 1.61.2.2 yamt 49 1.61.2.2 yamt #include <sys/param.h> 50 1.61.2.2 yamt #include <sys/mount.h> 51 1.61.2.2 yamt #include <sys/socket.h> 52 1.61.2.2 yamt #include <sys/stat.h> 53 1.61.2.2 yamt #include <syslog.h> 54 1.61.2.2 yamt 55 1.61.2.2 yamt #ifdef ISO 56 1.61.2.2 yamt #include <netiso/iso.h> 57 1.61.2.2 yamt #endif 58 1.61.2.2 yamt 59 1.61.2.2 yamt #include <nfs/rpcv2.h> 60 1.61.2.2 yamt #include <nfs/nfsproto.h> 61 1.61.2.2 yamt #include <nfs/nfs.h> 62 1.61.2.2 yamt #include <nfs/nfsmount.h> 63 1.61.2.2 yamt 64 1.61.2.2 yamt #include <arpa/inet.h> 65 1.61.2.2 yamt 66 1.61.2.2 yamt #include <err.h> 67 1.61.2.2 yamt #include <errno.h> 68 1.61.2.2 yamt #include <fcntl.h> 69 1.61.2.2 yamt #include <netdb.h> 70 1.61.2.2 yamt #include <signal.h> 71 1.61.2.2 yamt #include <stdio.h> 72 1.61.2.2 yamt #include <stdlib.h> 73 1.61.2.2 yamt #include <string.h> 74 1.61.2.2 yamt #include <unistd.h> 75 1.61.2.2 yamt #include <util.h> 76 1.61.2.2 yamt 77 1.61.2.2 yamt #include <mntopts.h> 78 1.61.2.2 yamt 79 1.61.2.2 yamt #include "mount_nfs.h" 80 1.61.2.2 yamt 81 1.61.2.2 yamt #define ALTF_BG 0x00000001 82 1.61.2.2 yamt #define ALTF_CONN 0x00000002 83 1.61.2.2 yamt #define ALTF_DUMBTIMR 0x00000004 84 1.61.2.2 yamt #define ALTF_INTR 0x00000008 85 1.61.2.2 yamt #define ALTF_NFSV3 0x00000020 86 1.61.2.2 yamt #define ALTF_RDIRPLUS 0x00000040 87 1.61.2.2 yamt #define ALTF_MNTUDP 0x00000080 88 1.61.2.2 yamt #define ALTF_NORESPORT 0x00000100 89 1.61.2.2 yamt #define ALTF_SEQPACKET 0x00000200 90 1.61.2.2 yamt #define ALTF_NQNFS 0x00000400 91 1.61.2.2 yamt #define ALTF_SOFT 0x00000800 92 1.61.2.2 yamt #define ALTF_TCP 0x00001000 93 1.61.2.2 yamt #define ALTF_NFSV2 0x00002000 94 1.61.2.2 yamt #define ALTF_PORT 0x00004000 95 1.61.2.2 yamt #define ALTF_RSIZE 0x00008000 96 1.61.2.2 yamt #define ALTF_WSIZE 0x00010000 97 1.61.2.2 yamt #define ALTF_RDIRSIZE 0x00020000 98 1.61.2.2 yamt #define ALTF_MAXGRPS 0x00040000 99 1.61.2.2 yamt #define ALTF_LEASETERM 0x00080000 100 1.61.2.2 yamt #define ALTF_READAHEAD 0x00100000 101 1.61.2.2 yamt #define ALTF_DEADTHRESH 0x00200000 102 1.61.2.2 yamt #define ALTF_TIMEO 0x00400000 103 1.61.2.2 yamt #define ALTF_RETRANS 0x00800000 104 1.61.2.2 yamt 105 1.61.2.2 yamt static const struct mntopt mopts[] = { 106 1.61.2.2 yamt MOPT_STDOPTS, 107 1.61.2.2 yamt MOPT_FORCE, 108 1.61.2.2 yamt MOPT_UPDATE, 109 1.61.2.2 yamt MOPT_GETARGS, 110 1.61.2.2 yamt { "bg", 0, ALTF_BG, 1 }, 111 1.61.2.2 yamt { "conn", 0, ALTF_CONN, 1 }, 112 1.61.2.2 yamt { "dumbtimer", 0, ALTF_DUMBTIMR, 1 }, 113 1.61.2.2 yamt { "intr", 0, ALTF_INTR, 1 }, 114 1.61.2.2 yamt { "nfsv3", 0, ALTF_NFSV3, 1 }, 115 1.61.2.2 yamt { "rdirplus", 0, ALTF_RDIRPLUS, 1 }, 116 1.61.2.2 yamt { "mntudp", 0, ALTF_MNTUDP, 1 }, 117 1.61.2.2 yamt { "noresport", 0, ALTF_NORESPORT, 1 }, 118 1.61.2.2 yamt #ifdef ISO 119 1.61.2.2 yamt { "seqpacket", 0, ALTF_SEQPACKET, 1 }, 120 1.61.2.2 yamt #endif 121 1.61.2.2 yamt { "nqnfs", 0, ALTF_NQNFS, 1 }, 122 1.61.2.2 yamt { "soft", 0, ALTF_SOFT, 1 }, 123 1.61.2.2 yamt { "tcp", 0, ALTF_TCP, 1 }, 124 1.61.2.2 yamt { "nfsv2", 0, ALTF_NFSV2, 1 }, 125 1.61.2.2 yamt { "port", 0, ALTF_PORT, 1 }, 126 1.61.2.2 yamt { "rsize", 0, ALTF_RSIZE, 1 }, 127 1.61.2.2 yamt { "wsize", 0, ALTF_WSIZE, 1 }, 128 1.61.2.2 yamt { "rdirsize", 0, ALTF_RDIRSIZE, 1 }, 129 1.61.2.2 yamt { "maxgrps", 0, ALTF_MAXGRPS, 1 }, 130 1.61.2.2 yamt { "leaseterm", 0, ALTF_LEASETERM, 1 }, 131 1.61.2.2 yamt { "readahead", 0, ALTF_READAHEAD, 1 }, 132 1.61.2.2 yamt { "deadthresh", 0, ALTF_DEADTHRESH, 1 }, 133 1.61.2.2 yamt { "timeo", 0, ALTF_TIMEO, 1 }, 134 1.61.2.2 yamt MOPT_NULL, 135 1.61.2.2 yamt 136 1.61.2.2 yamt }; 137 1.61.2.2 yamt 138 1.61.2.2 yamt struct nfs_args nfsdefargs = { 139 1.61.2.2 yamt NFS_ARGSVERSION, 140 1.61.2.2 yamt (struct sockaddr *)0, 141 1.61.2.2 yamt sizeof (struct sockaddr_in), 142 1.61.2.2 yamt SOCK_DGRAM, 143 1.61.2.2 yamt 0, 144 1.61.2.2 yamt (u_char *)0, 145 1.61.2.2 yamt 0, 146 1.61.2.2 yamt NFSMNT_NFSV3|NFSMNT_NOCONN|NFSMNT_RESVPORT, 147 1.61.2.2 yamt NFS_WSIZE, 148 1.61.2.2 yamt NFS_RSIZE, 149 1.61.2.2 yamt NFS_READDIRSIZE, 150 1.61.2.2 yamt 10, 151 1.61.2.2 yamt NFS_RETRANS, 152 1.61.2.2 yamt NFS_MAXGRPS, 153 1.61.2.2 yamt NFS_DEFRAHEAD, 154 1.61.2.2 yamt 0, /* Ignored; lease term */ 155 1.61.2.2 yamt NFS_DEFDEADTHRESH, 156 1.61.2.2 yamt (char *)0, 157 1.61.2.2 yamt }; 158 1.61.2.2 yamt 159 1.61.2.2 yamt int retrycnt = 0; 160 1.61.2.2 yamt int opflags = 0; 161 1.61.2.2 yamt int force2 = 0; 162 1.61.2.2 yamt int force3 = 0; 163 1.61.2.2 yamt int mnttcp_ok = 1; 164 1.61.2.2 yamt int port = 0; 165 1.61.2.2 yamt 166 1.61.2.2 yamt static void shownfsargs(const struct nfs_args *); 167 1.61.2.2 yamt #ifdef ISO 168 1.61.2.2 yamt static struct iso_addr *iso_addr(const char *); 169 1.61.2.2 yamt #endif 170 1.61.2.2 yamt int mount_nfs(int argc, char **argv); 171 1.61.2.2 yamt /* void set_rpc_maxgrouplist(int); */ 172 1.61.2.2 yamt static void usage(void); 173 1.61.2.2 yamt 174 1.61.2.2 yamt #ifndef MOUNT_NOMAIN 175 1.61.2.2 yamt int 176 1.61.2.2 yamt main(int argc, char **argv) 177 1.61.2.2 yamt { 178 1.61.2.2 yamt return mount_nfs(argc, argv); 179 1.61.2.2 yamt } 180 1.61.2.2 yamt #endif 181 1.61.2.2 yamt 182 1.61.2.2 yamt int 183 1.61.2.2 yamt mount_nfs(int argc, char *argv[]) 184 1.61.2.2 yamt { 185 1.61.2.2 yamt int c, retval; 186 1.61.2.2 yamt struct nfs_args *nfsargsp; 187 1.61.2.2 yamt struct nfs_args nfsargs; 188 1.61.2.2 yamt struct sockaddr_storage sa; 189 1.61.2.2 yamt int mntflags, altflags, num; 190 1.61.2.2 yamt char name[MAXPATHLEN], *p, *spec; 191 1.61.2.2 yamt mntoptparse_t mp; 192 1.61.2.2 yamt retrycnt = DEF_RETRY; 193 1.61.2.2 yamt 194 1.61.2.2 yamt mntflags = 0; 195 1.61.2.2 yamt altflags = 0; 196 1.61.2.2 yamt nfsargs = nfsdefargs; 197 1.61.2.2 yamt nfsargsp = &nfsargs; 198 1.61.2.2 yamt while ((c = getopt(argc, argv, 199 1.61.2.2 yamt "23a:bcCdD:g:I:iKL:lm:o:PpqR:r:sTt:w:x:UX")) != -1) 200 1.61.2.2 yamt switch (c) { 201 1.61.2.2 yamt case '3': 202 1.61.2.2 yamt case 'q': 203 1.61.2.2 yamt if (force2) 204 1.61.2.2 yamt errx(1, "conflicting version options"); 205 1.61.2.2 yamt force3 = 1; 206 1.61.2.2 yamt break; 207 1.61.2.2 yamt case '2': 208 1.61.2.2 yamt if (force3) 209 1.61.2.2 yamt errx(1, "conflicting version options"); 210 1.61.2.2 yamt force2 = 1; 211 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_NFSV3; 212 1.61.2.2 yamt break; 213 1.61.2.2 yamt case 'a': 214 1.61.2.2 yamt num = strtol(optarg, &p, 10); 215 1.61.2.2 yamt if (*p || num < 0) 216 1.61.2.2 yamt errx(1, "illegal -a value -- %s", optarg); 217 1.61.2.2 yamt nfsargsp->readahead = num; 218 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_READAHEAD; 219 1.61.2.2 yamt break; 220 1.61.2.2 yamt case 'b': 221 1.61.2.2 yamt opflags |= BGRND; 222 1.61.2.2 yamt break; 223 1.61.2.2 yamt case 'c': 224 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_NOCONN; 225 1.61.2.2 yamt break; 226 1.61.2.2 yamt case 'C': 227 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_NOCONN; 228 1.61.2.2 yamt break; 229 1.61.2.2 yamt case 'D': 230 1.61.2.2 yamt num = strtol(optarg, &p, 10); 231 1.61.2.2 yamt if (*p || num <= 0) 232 1.61.2.2 yamt errx(1, "illegal -D value -- %s", optarg); 233 1.61.2.2 yamt nfsargsp->deadthresh = num; 234 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_DEADTHRESH; 235 1.61.2.2 yamt break; 236 1.61.2.2 yamt case 'd': 237 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_DUMBTIMR; 238 1.61.2.2 yamt break; 239 1.61.2.2 yamt #if 0 /* XXXX */ 240 1.61.2.2 yamt case 'g': 241 1.61.2.2 yamt num = strtol(optarg, &p, 10); 242 1.61.2.2 yamt if (*p || num <= 0) 243 1.61.2.2 yamt errx(1, "illegal -g value -- %s", optarg); 244 1.61.2.2 yamt set_rpc_maxgrouplist(num); 245 1.61.2.2 yamt nfsargsp->maxgrouplist = num; 246 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_MAXGRPS; 247 1.61.2.2 yamt break; 248 1.61.2.2 yamt #endif 249 1.61.2.2 yamt case 'I': 250 1.61.2.2 yamt num = strtol(optarg, &p, 10); 251 1.61.2.2 yamt if (*p || num <= 0) 252 1.61.2.2 yamt errx(1, "illegal -I value -- %s", optarg); 253 1.61.2.2 yamt nfsargsp->readdirsize = num; 254 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_READDIRSIZE; 255 1.61.2.2 yamt break; 256 1.61.2.2 yamt case 'i': 257 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_INT; 258 1.61.2.2 yamt break; 259 1.61.2.2 yamt case 'L': 260 1.61.2.2 yamt /* ignore */ 261 1.61.2.2 yamt break; 262 1.61.2.2 yamt case 'l': 263 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RDIRPLUS; 264 1.61.2.2 yamt break; 265 1.61.2.2 yamt case 'o': 266 1.61.2.2 yamt mp = getmntopts(optarg, mopts, &mntflags, &altflags); 267 1.61.2.2 yamt if (mp == NULL) 268 1.61.2.2 yamt err(1, "getmntopts"); 269 1.61.2.2 yamt if (altflags & ALTF_BG) 270 1.61.2.2 yamt opflags |= BGRND; 271 1.61.2.2 yamt if (altflags & ALTF_CONN) 272 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_NOCONN; 273 1.61.2.2 yamt if (altflags & ALTF_DUMBTIMR) 274 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_DUMBTIMR; 275 1.61.2.2 yamt if (altflags & ALTF_INTR) 276 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_INT; 277 1.61.2.2 yamt if (altflags & (ALTF_NFSV3|ALTF_NQNFS)) { 278 1.61.2.2 yamt if (force2) 279 1.61.2.2 yamt errx(1, "conflicting version options"); 280 1.61.2.2 yamt force3 = 1; 281 1.61.2.2 yamt } 282 1.61.2.2 yamt if (altflags & ALTF_NFSV2) { 283 1.61.2.2 yamt if (force3) 284 1.61.2.2 yamt errx(1, "conflicting version options"); 285 1.61.2.2 yamt force2 = 1; 286 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_NFSV3; 287 1.61.2.2 yamt } 288 1.61.2.2 yamt if (altflags & ALTF_RDIRPLUS) 289 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RDIRPLUS; 290 1.61.2.2 yamt if (altflags & ALTF_MNTUDP) 291 1.61.2.2 yamt mnttcp_ok = 0; 292 1.61.2.2 yamt if (altflags & ALTF_NORESPORT) 293 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_RESVPORT; 294 1.61.2.2 yamt #ifdef ISO 295 1.61.2.2 yamt if (altflags & ALTF_SEQPACKET) 296 1.61.2.2 yamt nfsargsp->sotype = SOCK_SEQPACKET; 297 1.61.2.2 yamt #endif 298 1.61.2.2 yamt if (altflags & ALTF_SOFT) 299 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_SOFT; 300 1.61.2.2 yamt if (altflags & ALTF_TCP) { 301 1.61.2.2 yamt nfsargsp->sotype = SOCK_STREAM; 302 1.61.2.2 yamt } 303 1.61.2.2 yamt if (altflags & ALTF_PORT) { 304 1.61.2.2 yamt port = getmntoptnum(mp, "port"); 305 1.61.2.2 yamt } 306 1.61.2.2 yamt if (altflags & ALTF_RSIZE) { 307 1.61.2.2 yamt nfsargsp->rsize = 308 1.61.2.2 yamt (int)getmntoptnum(mp, "rsize"); 309 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RSIZE; 310 1.61.2.2 yamt } 311 1.61.2.2 yamt if (altflags & ALTF_WSIZE) { 312 1.61.2.2 yamt nfsargsp->wsize = 313 1.61.2.2 yamt (int)getmntoptnum(mp, "wsize"); 314 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_WSIZE; 315 1.61.2.2 yamt } 316 1.61.2.2 yamt if (altflags & ALTF_RDIRSIZE) { 317 1.61.2.2 yamt nfsargsp->rsize = 318 1.61.2.2 yamt (int)getmntoptnum(mp, "rdirsize"); 319 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_READDIRSIZE; 320 1.61.2.2 yamt } 321 1.61.2.2 yamt #if 0 322 1.61.2.2 yamt if (altflags & ALTF_MAXGRPS) { 323 1.61.2.2 yamt set_rpc_maxgrouplist(num); 324 1.61.2.2 yamt nfsargsp->maxgrouplist = 325 1.61.2.2 yamt (int)getmntoptnum(mp, "maxgrps"); 326 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_MAXGRPS; 327 1.61.2.2 yamt } 328 1.61.2.2 yamt #endif 329 1.61.2.2 yamt if (altflags & ALTF_LEASETERM) { 330 1.61.2.2 yamt nfsargsp->leaseterm = 331 1.61.2.2 yamt (int)getmntoptnum(mp, "leaseterm"); 332 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_LEASETERM; 333 1.61.2.2 yamt } 334 1.61.2.2 yamt if (altflags & ALTF_READAHEAD) { 335 1.61.2.2 yamt nfsargsp->readahead = 336 1.61.2.2 yamt (int)getmntoptnum(mp, "readahead"); 337 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_READAHEAD; 338 1.61.2.2 yamt } 339 1.61.2.2 yamt if (altflags & ALTF_DEADTHRESH) { 340 1.61.2.2 yamt nfsargsp->deadthresh = 341 1.61.2.2 yamt (int)getmntoptnum(mp, "deadthresh"); 342 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_DEADTHRESH; 343 1.61.2.2 yamt } 344 1.61.2.2 yamt if (altflags & ALTF_TIMEO) { 345 1.61.2.2 yamt nfsargsp->timeo = 346 1.61.2.2 yamt (int)getmntoptnum(mp, "timeo"); 347 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_TIMEO; 348 1.61.2.2 yamt } 349 1.61.2.2 yamt if (altflags & ALTF_RETRANS) { 350 1.61.2.2 yamt nfsargsp->retrans = 351 1.61.2.2 yamt (int)getmntoptnum(mp, "retrans"); 352 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RETRANS; 353 1.61.2.2 yamt } 354 1.61.2.2 yamt altflags = 0; 355 1.61.2.2 yamt freemntopts(mp); 356 1.61.2.2 yamt break; 357 1.61.2.2 yamt case 'P': 358 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RESVPORT; 359 1.61.2.2 yamt break; 360 1.61.2.2 yamt case 'p': 361 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_RESVPORT; 362 1.61.2.2 yamt break; 363 1.61.2.2 yamt case 'R': 364 1.61.2.2 yamt num = strtol(optarg, &p, 10); 365 1.61.2.2 yamt if (*p || num <= 0) 366 1.61.2.2 yamt errx(1, "illegal -R value -- %s", optarg); 367 1.61.2.2 yamt retrycnt = num; 368 1.61.2.2 yamt break; 369 1.61.2.2 yamt case 'r': 370 1.61.2.2 yamt num = strtol(optarg, &p, 10); 371 1.61.2.2 yamt if (*p || num <= 0) 372 1.61.2.2 yamt errx(1, "illegal -r value -- %s", optarg); 373 1.61.2.2 yamt nfsargsp->rsize = num; 374 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RSIZE; 375 1.61.2.2 yamt break; 376 1.61.2.2 yamt #ifdef ISO 377 1.61.2.2 yamt case 'S': 378 1.61.2.2 yamt nfsargsp->sotype = SOCK_SEQPACKET; 379 1.61.2.2 yamt break; 380 1.61.2.2 yamt #endif 381 1.61.2.2 yamt case 's': 382 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_SOFT; 383 1.61.2.2 yamt break; 384 1.61.2.2 yamt case 'T': 385 1.61.2.2 yamt nfsargsp->sotype = SOCK_STREAM; 386 1.61.2.2 yamt break; 387 1.61.2.2 yamt case 't': 388 1.61.2.2 yamt num = strtol(optarg, &p, 10); 389 1.61.2.2 yamt if (*p || num <= 0) 390 1.61.2.2 yamt errx(1, "illegal -t value -- %s", optarg); 391 1.61.2.2 yamt nfsargsp->timeo = num; 392 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_TIMEO; 393 1.61.2.2 yamt break; 394 1.61.2.2 yamt case 'w': 395 1.61.2.2 yamt num = strtol(optarg, &p, 10); 396 1.61.2.2 yamt if (*p || num <= 0) 397 1.61.2.2 yamt errx(1, "illegal -w value -- %s", optarg); 398 1.61.2.2 yamt nfsargsp->wsize = num; 399 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_WSIZE; 400 1.61.2.2 yamt break; 401 1.61.2.2 yamt case 'x': 402 1.61.2.2 yamt num = strtol(optarg, &p, 10); 403 1.61.2.2 yamt if (*p || num <= 0) 404 1.61.2.2 yamt errx(1, "illegal -x value -- %s", optarg); 405 1.61.2.2 yamt nfsargsp->retrans = num; 406 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_RETRANS; 407 1.61.2.2 yamt break; 408 1.61.2.2 yamt case 'X': 409 1.61.2.2 yamt nfsargsp->flags |= NFSMNT_XLATECOOKIE; 410 1.61.2.2 yamt break; 411 1.61.2.2 yamt case 'U': 412 1.61.2.2 yamt mnttcp_ok = 0; 413 1.61.2.2 yamt break; 414 1.61.2.2 yamt default: 415 1.61.2.2 yamt usage(); 416 1.61.2.2 yamt break; 417 1.61.2.2 yamt } 418 1.61.2.2 yamt argc -= optind; 419 1.61.2.2 yamt argv += optind; 420 1.61.2.2 yamt 421 1.61.2.2 yamt if (argc != 2) 422 1.61.2.2 yamt usage(); 423 1.61.2.2 yamt 424 1.61.2.2 yamt spec = *argv++; 425 1.61.2.2 yamt if (realpath(*argv, name) == NULL) /* Check mounton path */ 426 1.61.2.2 yamt err(1, "realpath %s", *argv); 427 1.61.2.2 yamt if (strncmp(*argv, name, MAXPATHLEN)) { 428 1.61.2.2 yamt warnx("\"%s\" is a relative path.", *argv); 429 1.61.2.2 yamt warnx("using \"%s\" instead.", name); 430 1.61.2.2 yamt } 431 1.61.2.2 yamt 432 1.61.2.2 yamt retry: 433 1.61.2.2 yamt if ((mntflags & MNT_GETARGS) != 0) { 434 1.61.2.2 yamt memset(&sa, 0, sizeof(sa)); 435 1.61.2.2 yamt nfsargsp->addr = (struct sockaddr *)&sa; 436 1.61.2.2 yamt nfsargsp->addrlen = sizeof(sa); 437 1.61.2.2 yamt } else { 438 1.61.2.2 yamt char *tspec; 439 1.61.2.2 yamt 440 1.61.2.2 yamt if ((tspec = strdup(spec)) == NULL) { 441 1.61.2.2 yamt err(1, "strdup"); 442 1.61.2.2 yamt } 443 1.61.2.2 yamt if (!getnfsargs(tspec, nfsargsp)) { 444 1.61.2.2 yamt exit(1); 445 1.61.2.2 yamt } 446 1.61.2.2 yamt free(tspec); 447 1.61.2.2 yamt } 448 1.61.2.2 yamt if ((retval = mount(MOUNT_NFS, name, mntflags, 449 1.61.2.2 yamt nfsargsp, sizeof *nfsargsp)) == -1) { 450 1.61.2.2 yamt /* Did we just default to v3 on a v2-only kernel? 451 1.61.2.2 yamt * If so, default to v2 & try again */ 452 1.61.2.2 yamt if (errno == EPROGMISMATCH && 453 1.61.2.2 yamt (nfsargsp->flags & NFSMNT_NFSV3) != 0 && !force3) { 454 1.61.2.2 yamt /* 455 1.61.2.2 yamt * fall back to v2. XXX lack of V3 umount. 456 1.61.2.2 yamt */ 457 1.61.2.2 yamt nfsargsp->flags &= ~NFSMNT_NFSV3; 458 1.61.2.2 yamt goto retry; 459 1.61.2.2 yamt } 460 1.61.2.2 yamt } 461 1.61.2.2 yamt if (retval == -1) 462 1.61.2.2 yamt err(1, "%s on %s", spec, name); 463 1.61.2.2 yamt if (mntflags & MNT_GETARGS) { 464 1.61.2.2 yamt shownfsargs(nfsargsp); 465 1.61.2.2 yamt return (0); 466 1.61.2.2 yamt } 467 1.61.2.2 yamt 468 1.61.2.2 yamt exit(0); 469 1.61.2.2 yamt } 470 1.61.2.2 yamt 471 1.61.2.2 yamt static void 472 1.61.2.2 yamt shownfsargs(const struct nfs_args *nfsargsp) 473 1.61.2.2 yamt { 474 1.61.2.2 yamt char fbuf[2048]; 475 1.61.2.2 yamt char host[NI_MAXHOST], serv[NI_MAXSERV]; 476 1.61.2.2 yamt int error; 477 1.61.2.2 yamt 478 1.61.2.2 yamt (void)snprintb(fbuf, sizeof(fbuf), NFSMNT_BITS, nfsargsp->flags); 479 1.61.2.2 yamt if (nfsargsp->addr != NULL) { 480 1.61.2.2 yamt error = getnameinfo(nfsargsp->addr, nfsargsp->addrlen, host, 481 1.61.2.2 yamt sizeof(host), serv, sizeof(serv), 482 1.61.2.2 yamt NI_NUMERICHOST | NI_NUMERICSERV); 483 1.61.2.2 yamt if (error != 0) 484 1.61.2.2 yamt warnx("getnameinfo: %s", gai_strerror(error)); 485 1.61.2.2 yamt } else 486 1.61.2.2 yamt error = -1; 487 1.61.2.2 yamt 488 1.61.2.2 yamt if (error == 0) 489 1.61.2.2 yamt printf("addr=%s, port=%s, addrlen=%d, ", 490 1.61.2.2 yamt host, serv, nfsargsp->addrlen); 491 1.61.2.2 yamt printf("sotype=%d, proto=%d, fhsize=%d, " 492 1.61.2.2 yamt "flags=%s, wsize=%d, rsize=%d, readdirsize=%d, timeo=%d, " 493 1.61.2.2 yamt "retrans=%d, maxgrouplist=%d, readahead=%d, leaseterm=%d, " 494 1.61.2.2 yamt "deadthresh=%d\n", 495 1.61.2.2 yamt nfsargsp->sotype, 496 1.61.2.2 yamt nfsargsp->proto, 497 1.61.2.2 yamt nfsargsp->fhsize, 498 1.61.2.2 yamt fbuf, 499 1.61.2.2 yamt nfsargsp->wsize, 500 1.61.2.2 yamt nfsargsp->rsize, 501 1.61.2.2 yamt nfsargsp->readdirsize, 502 1.61.2.2 yamt nfsargsp->timeo, 503 1.61.2.2 yamt nfsargsp->retrans, 504 1.61.2.2 yamt nfsargsp->maxgrouplist, 505 1.61.2.2 yamt nfsargsp->readahead, 506 1.61.2.2 yamt nfsargsp->leaseterm, 507 1.61.2.2 yamt nfsargsp->deadthresh); 508 1.61.2.2 yamt } 509 1.61.2.2 yamt 510 1.61.2.2 yamt static void 511 1.61.2.2 yamt usage(void) 512 1.61.2.2 yamt { 513 1.61.2.2 yamt (void)fprintf(stderr, "usage: mount_nfs %s\n%s\n%s\n%s\n%s\n", 514 1.61.2.2 yamt "[-23bCcdilPpqsTUX] [-a maxreadahead] [-D deadthresh]", 515 1.61.2.2 yamt "\t[-g maxgroups] [-I readdirsize] [-L leaseterm]", 516 1.61.2.2 yamt "\t[-o options] [-R retrycnt] [-r readsize] [-t timeout]", 517 1.61.2.2 yamt "\t[-w writesize] [-x retrans]", 518 1.61.2.2 yamt "\trhost:path node"); 519 1.61.2.2 yamt exit(1); 520 1.61.2.2 yamt } 521
Indexes created Fri Oct 17 03:10:13 GMT 2025