840 lines
18 KiB
C
840 lines
18 KiB
C
/*
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* Copyright (c) 1980, 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1980, 1989 The Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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/*static char sccsid[] = "from: @(#)mount.c 5.44 (Berkeley) 2/26/91";*/
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static char rcsid[] = "$Id: mount.c,v 1.8 1994/01/05 08:32:18 cgd Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/file.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <sys/errno.h>
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#include <sys/signal.h>
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#include <sys/mount.h>
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#ifdef NFS
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <netdb.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_clnt.h>
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#include <rpc/pmap_prot.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsv2.h>
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#include <nfs/nfs.h>
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#endif
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#include <fstab.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "pathnames.h"
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#define DEFAULT_ROOTUID -2
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#define BADTYPE(type) \
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(strcmp(type, FSTAB_RO) && strcmp(type, FSTAB_RW) && \
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strcmp(type, FSTAB_RQ))
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#define SETTYPE(type) \
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(!strcmp(type, FSTAB_RW) || !strcmp(type, FSTAB_RQ))
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int fake, verbose, updateflg, mnttype;
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char *mntname, **envp;
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char **vfslist, **makevfslist();
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static void prmount();
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#ifdef NFS
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int xdr_dir(), xdr_fh();
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char *getnfsargs();
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struct nfs_args nfsdefargs = {
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(struct sockaddr *)0,
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SOCK_DGRAM,
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0,
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(nfsv2fh_t *)0,
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0,
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NFS_WSIZE,
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NFS_RSIZE,
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NFS_TIMEO,
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NFS_RETRANS,
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(char *)0,
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};
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struct nfhret {
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u_long stat;
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nfsv2fh_t nfh;
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};
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#define DEF_RETRY 10000
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int retrycnt;
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#define BGRND 1
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#define ISBGRND 2
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int opflags = 0;
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#endif
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main(argc, argv, arge)
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int argc;
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char **argv;
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char **arge;
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{
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extern char *optarg;
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extern int optind;
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register struct fstab *fs;
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int all, ch, rval, flags, ret, pid, i;
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long mntsize;
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struct statfs *mntbuf, *getmntpt();
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char *type, *options = NULL;
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FILE *pidfile;
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envp = arge;
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all = 0;
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type = NULL;
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mnttype = MOUNT_UFS;
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mntname = "ufs";
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while ((ch = getopt(argc, argv, "afrwuvt:o:")) != EOF)
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switch((char)ch) {
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case 'a':
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all = 1;
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break;
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case 'f':
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fake = 1;
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break;
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case 'r':
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type = FSTAB_RO;
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break;
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case 'u':
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updateflg = MNT_UPDATE;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'w':
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type = FSTAB_RW;
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break;
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case 'o':
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options = optarg;
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break;
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case 't':
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vfslist = makevfslist(optarg);
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mnttype = getmnttype(optarg);
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break;
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case '?':
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default:
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usage();
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/* NOTREACHED */
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}
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argc -= optind;
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argv += optind;
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/* NOSTRICT */
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if (all) {
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rval = 0;
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while (fs = getfsent()) {
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if (fs->fs_mntops && getnoauto(fs->fs_mntops))
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continue;
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if (BADTYPE(fs->fs_type))
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continue;
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if (badvfsname(fs->fs_vfstype, vfslist))
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continue;
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/* `/' is special, it's always mounted */
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if (!strcmp(fs->fs_file, "/"))
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flags = MNT_UPDATE;
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else
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flags = updateflg;
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mnttype = getmnttype(fs->fs_vfstype);
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rval |= mountfs(fs->fs_spec, fs->fs_file, flags,
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type, options, fs->fs_mntops);
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}
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exit(rval);
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}
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if (argc == 0) {
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if (verbose || fake || type)
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usage();
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if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) {
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(void) fprintf(stderr,
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"mount: cannot get mount information\n");
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exit(1);
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}
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for (i = 0; i < mntsize; i++) {
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if (badvfstype(mntbuf[i].f_type, vfslist))
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continue;
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prmount(mntbuf[i].f_mntfromname, mntbuf[i].f_mntonname,
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mntbuf[i].f_flags);
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}
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exit(0);
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}
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if (argc == 1 && updateflg) {
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if ((mntbuf = getmntpt(*argv)) == NULL) {
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(void) fprintf(stderr,
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"mount: unknown special file or file system %s.\n",
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*argv);
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exit(1);
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}
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mnttype = mntbuf->f_type;
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#ifndef LETS_GET_SMALL
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if (!strcmp(mntbuf->f_mntfromname, "root_device")) {
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fs = getfsfile("/");
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strcpy(mntbuf->f_mntfromname, fs->fs_spec);
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}
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#endif
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ret = mountfs(mntbuf->f_mntfromname, mntbuf->f_mntonname,
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updateflg, type, options, (char *)NULL);
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} else if (argc == 1) {
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#ifndef LETS_GET_SMALL
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if (!(fs = getfsfile(*argv)) && !(fs = getfsspec(*argv))) {
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(void) fprintf(stderr,
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"mount: unknown special file or file system %s.\n",
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*argv);
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exit(1);
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}
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if (BADTYPE(fs->fs_type)) {
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(void) fprintf(stderr,
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"mount: %s has unknown file system type.\n", *argv);
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exit(1);
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}
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mnttype = getmnttype(fs->fs_vfstype);
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ret = mountfs(fs->fs_spec, fs->fs_file, updateflg,
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type, options, fs->fs_mntops);
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#else
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exit(1);
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#endif
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} else if (argc != 2) {
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usage();
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ret = 1;
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} else {
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/*
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* If -t flag has not been specified, and spec
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* contains either a ':' or a '@' then assume that
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* an NFS filesystem is being specified ala Sun.
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*/
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if (vfslist == (char **)0 &&
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(index(argv[0], ':') || index(argv[0], '@')))
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mnttype = MOUNT_NFS;
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ret = mountfs(argv[0], argv[1], updateflg, type, options,
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(char *)NULL);
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}
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#ifndef LETS_GET_SMALL
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if ((pidfile = fopen(_PATH_MOUNTDPID, "r")) != NULL) {
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pid = 0;
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fscanf(pidfile, "%d", &pid);
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fclose(pidfile);
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if (pid > 0)
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kill(pid, SIGHUP);
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}
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#endif
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exit (ret);
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}
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mountfs(spec, name, flags, type, options, mntopts)
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char *spec, *name, *type, *options, *mntopts;
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int flags;
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{
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union wait status;
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pid_t pid;
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int argc, i;
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struct ufs_args args;
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#ifdef NFS
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struct nfs_args nfsargs;
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#endif
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char *argp, *argv[50];
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char execname[MAXPATHLEN + 1], flagval[12];
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#ifdef NFS
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nfsargs = nfsdefargs;
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#endif
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if (mntopts)
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getstdopts(mntopts, &flags);
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if (options)
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getstdopts(options, &flags);
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if (type)
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getstdopts(type, &flags);
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switch (mnttype) {
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case MOUNT_UFS:
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if (mntopts)
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getufsopts(mntopts, &flags);
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if (options)
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getufsopts(options, &flags);
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args.fspec = spec;
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argp = (caddr_t)&args;
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break;
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#ifdef NFS
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case MOUNT_NFS:
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retrycnt = DEF_RETRY;
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if (mntopts)
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getnfsopts(mntopts, &nfsargs, &opflags, &retrycnt);
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if (options)
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getnfsopts(options, &nfsargs, &opflags, &retrycnt);
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if (argp = getnfsargs(spec, &nfsargs))
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break;
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return (1);
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#endif /* NFS */
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#ifndef LETS_GET_SMALL
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case MOUNT_MFS:
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default:
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argv[0] = mntname;
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argc = 1;
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if (flags) {
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argv[argc++] = "-F";
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sprintf(flagval, "%d", flags);
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argv[argc++] = flagval;
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}
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if (mntopts)
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argc += getexecopts(mntopts, &argv[argc]);
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if (options)
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argc += getexecopts(options, &argv[argc]);
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argv[argc++] = spec;
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argv[argc++] = name;
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argv[argc++] = NULL;
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sprintf(execname, "%s/mount_%s", _PATH_EXECDIR, mntname);
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if (verbose) {
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(void)printf("exec: %s", execname);
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for (i = 1; i < argc - 1; i++)
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(void)printf(" %s", argv[i]);
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(void)printf("\n");
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}
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if (fake)
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break;
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if (pid = vfork()) {
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if (pid == -1) {
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perror("mount: vfork starting file system");
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return (1);
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}
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if (waitpid(pid, (int *)&status, 0) != -1 &&
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WIFEXITED(status) &&
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WEXITSTATUS(status) != 0)
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return (WEXITSTATUS(status));
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spec = mntname;
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goto out;
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}
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execve(execname, argv, envp);
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(void) fprintf(stderr, "mount: cannot exec %s for %s: ",
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execname, name);
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perror((char *)NULL);
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exit (1);
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#endif
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/* NOTREACHED */
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}
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if (!fake && mount(mnttype, name, flags, argp)) {
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#ifdef NFS
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if (opflags & ISBGRND)
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exit(1);
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#endif
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(void) fprintf(stderr, "%s on %s: ", spec, name);
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switch (errno) {
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case EMFILE:
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(void) fprintf(stderr, "Mount table full\n");
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break;
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case EINVAL:
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if (flags & MNT_UPDATE)
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(void) fprintf(stderr, "Specified device %s\n",
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"does not match mounted device");
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else if (mnttype == MOUNT_UFS)
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(void) fprintf(stderr, "Bogus super block\n");
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else
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perror((char *)NULL);
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break;
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default:
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perror((char *)NULL);
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break;
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}
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return(1);
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}
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out:
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if (verbose)
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prmount(spec, name, flags);
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#ifdef NFS
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if (opflags & ISBGRND)
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exit(1);
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#endif
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return(0);
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}
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static void
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prmount(spec, name, flags)
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char *spec, *name;
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register short flags;
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{
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register int first;
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#ifdef NFS
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if (opflags & ISBGRND)
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return;
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#endif
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(void)printf("%s on %s", spec, name);
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if (!(flags & MNT_VISFLAGMASK)) {
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(void)printf("\n");
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return;
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}
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first = 0;
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#define PR(msg) (void)printf("%s%s", !first++ ? " (" : ", ", msg)
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if (flags & MNT_RDONLY)
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PR("read-only");
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if (flags & MNT_NOEXEC)
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PR("noexec");
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if (flags & MNT_NOSUID)
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PR("nosuid");
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if (flags & MNT_NODEV)
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PR("nodev");
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if (flags & MNT_SYNCHRONOUS)
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PR("synchronous");
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if (flags & MNT_QUOTA)
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PR("with quotas");
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if (flags & MNT_LOCAL)
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PR("local");
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if (flags & MNT_EXPORTED)
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if (flags & MNT_EXRDONLY)
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PR("NFS exported read-only");
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else
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PR("NFS exported");
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if (flags & MNT_UNION)
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PR("union");
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(void)printf(")\n");
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}
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getmnttype(fstype)
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char *fstype;
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{
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mntname = fstype;
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if (!strcmp(fstype, "ufs"))
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return (MOUNT_UFS);
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if (!strcmp(fstype, "nfs"))
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return (MOUNT_NFS);
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if (!strcmp(fstype, "mfs"))
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return (MOUNT_MFS);
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return (0);
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}
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usage()
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{
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(void) fprintf(stderr,
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"usage:\n mount %s %s\n mount %s\n mount %s\n",
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"[ -frwu ] [ -t nfs | ufs | external_type ]",
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"[ -o options ] special node",
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"[ -afrwu ] [ -t nfs | ufs | external_type ]",
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"[ -frwu ] special | node");
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exit(1);
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}
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getnoauto(options)
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char *options;
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{
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register char *opt;
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int noauto = 0;
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char optbuf[BUFSIZ];
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(void)strcpy(optbuf, options);
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for (opt = strtok(optbuf, ","); opt; opt = strtok((char *)NULL, ","))
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if (!strcasecmp(opt, "noauto"))
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noauto = 1;
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else if (!strcasecmp(opt, "auto"))
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noauto = 0;
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return noauto;
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}
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getstdopts(options, flagp)
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char *options;
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int *flagp;
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{
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register char *opt;
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int negative;
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char optbuf[BUFSIZ];
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(void)strcpy(optbuf, options);
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for (opt = strtok(optbuf, ","); opt; opt = strtok((char *)NULL, ",")) {
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if (opt[0] == 'n' && opt[1] == 'o') {
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negative++;
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opt += 2;
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} else {
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negative = 0;
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}
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if (!negative && !strcasecmp(opt, FSTAB_RO)) {
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*flagp |= MNT_RDONLY;
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continue;
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}
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if (!negative && !strcasecmp(opt, FSTAB_RW)) {
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*flagp &= ~MNT_RDONLY;
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continue;
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}
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if (!strcasecmp(opt, "exec")) {
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if (negative)
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*flagp |= MNT_NOEXEC;
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else
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*flagp &= ~MNT_NOEXEC;
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continue;
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}
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if (!strcasecmp(opt, "suid")) {
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if (negative)
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*flagp |= MNT_NOSUID;
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else
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*flagp &= ~MNT_NOSUID;
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continue;
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}
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if (!strcasecmp(opt, "dev")) {
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if (negative)
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*flagp |= MNT_NODEV;
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else
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*flagp &= ~MNT_NODEV;
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continue;
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}
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if (!strcasecmp(opt, "synchronous")) {
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if (!negative)
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*flagp |= MNT_SYNCHRONOUS;
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else
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*flagp &= ~MNT_SYNCHRONOUS;
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continue;
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}
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if (!strcasecmp(opt, "union")) {
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if (!negative)
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*flagp |= MNT_UNION;
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else
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*flagp &= ~MNT_UNION;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
getufsopts(options, flagp)
|
|
char *options;
|
|
int *flagp;
|
|
{
|
|
return;
|
|
}
|
|
|
|
getexecopts(options, argv)
|
|
char *options;
|
|
char **argv;
|
|
{
|
|
register int argc = 0;
|
|
register char *opt;
|
|
|
|
for (opt = strtok(options, ","); opt; opt = strtok((char *)NULL, ",")) {
|
|
if (opt[0] != '-')
|
|
continue;
|
|
argv[argc++] = opt;
|
|
if (opt[2] == '\0' || opt[2] != '=')
|
|
continue;
|
|
opt[2] = '\0';
|
|
argv[argc++] = &opt[3];
|
|
}
|
|
return (argc);
|
|
}
|
|
|
|
struct statfs *
|
|
getmntpt(name)
|
|
char *name;
|
|
{
|
|
long mntsize;
|
|
register long i;
|
|
struct statfs *mntbuf;
|
|
|
|
mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
|
|
for (i = 0; i < mntsize; i++) {
|
|
if (!strcmp(mntbuf[i].f_mntfromname, name) ||
|
|
!strcmp(mntbuf[i].f_mntonname, name))
|
|
return (&mntbuf[i]);
|
|
}
|
|
return ((struct statfs *)0);
|
|
}
|
|
|
|
static int skipvfs;
|
|
|
|
badvfstype(vfstype, vfslist)
|
|
short vfstype;
|
|
char **vfslist;
|
|
{
|
|
|
|
if (vfslist == 0)
|
|
return(0);
|
|
while (*vfslist) {
|
|
if (vfstype == getmnttype(*vfslist))
|
|
return(skipvfs);
|
|
vfslist++;
|
|
}
|
|
return (!skipvfs);
|
|
}
|
|
|
|
badvfsname(vfsname, vfslist)
|
|
char *vfsname;
|
|
char **vfslist;
|
|
{
|
|
|
|
if (vfslist == 0)
|
|
return(0);
|
|
while (*vfslist) {
|
|
if (strcmp(vfsname, *vfslist) == 0)
|
|
return(skipvfs);
|
|
vfslist++;
|
|
}
|
|
return (!skipvfs);
|
|
}
|
|
|
|
char **
|
|
makevfslist(fslist)
|
|
char *fslist;
|
|
{
|
|
register char **av, *nextcp;
|
|
register int i;
|
|
|
|
if (fslist == NULL)
|
|
return (NULL);
|
|
if (fslist[0] == 'n' && fslist[1] == 'o') {
|
|
fslist += 2;
|
|
skipvfs = 1;
|
|
}
|
|
for (i = 0, nextcp = fslist; *nextcp; nextcp++)
|
|
if (*nextcp == ',')
|
|
i++;
|
|
av = (char **)malloc((size_t)(i+2) * sizeof(char *));
|
|
if (av == NULL)
|
|
return (NULL);
|
|
nextcp = fslist;
|
|
i = 0;
|
|
av[i++] = nextcp;
|
|
while (nextcp = index(nextcp, ',')) {
|
|
*nextcp++ = '\0';
|
|
av[i++] = nextcp;
|
|
}
|
|
av[i++] = 0;
|
|
return (av);
|
|
}
|
|
|
|
#ifdef NFS
|
|
exclusive(a, b)
|
|
char *a, *b;
|
|
{
|
|
|
|
(void) fprintf(stderr, "mount: Options %s, %s mutually exclusive\n",
|
|
a, b);
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
* Handle the getoption arg.
|
|
* Essentially update "opflags", "retrycnt" and "nfsargs"
|
|
*/
|
|
getnfsopts(optarg, nfsargsp, opflagsp, retrycntp)
|
|
char *optarg;
|
|
register struct nfs_args *nfsargsp;
|
|
int *opflagsp;
|
|
int *retrycntp;
|
|
{
|
|
register char *cp, *nextcp;
|
|
int num;
|
|
char *nump;
|
|
|
|
for (cp = optarg; cp != NULL && *cp != '\0'; cp = nextcp) {
|
|
if ((nextcp = index(cp, ',')) != NULL)
|
|
*nextcp++ = '\0';
|
|
if ((nump = index(cp, '=')) != NULL) {
|
|
*nump++ = '\0';
|
|
num = atoi(nump);
|
|
} else
|
|
num = -1;
|
|
/*
|
|
* Just test for a string match and do it
|
|
*/
|
|
if (!strcmp(cp, "bg")) {
|
|
*opflagsp |= BGRND;
|
|
} else if (!strcmp(cp, "soft")) {
|
|
if (nfsargsp->flags & NFSMNT_SPONGY)
|
|
exclusive("soft, spongy");
|
|
nfsargsp->flags |= NFSMNT_SOFT;
|
|
} else if (!strcmp(cp, "spongy")) {
|
|
if (nfsargsp->flags & NFSMNT_SOFT)
|
|
exclusive("soft, spongy");
|
|
nfsargsp->flags |= NFSMNT_SPONGY;
|
|
} else if (!strcmp(cp, "compress")) {
|
|
nfsargsp->flags |= NFSMNT_COMPRESS;
|
|
} else if (!strcmp(cp, "intr")) {
|
|
nfsargsp->flags |= NFSMNT_INT;
|
|
} else if (!strcmp(cp, "tcp")) {
|
|
nfsargsp->sotype = SOCK_STREAM;
|
|
} else if (!strcmp(cp, "noconn")) {
|
|
nfsargsp->flags |= NFSMNT_NOCONN;
|
|
} else if (!strcmp(cp, "retry") && num > 0) {
|
|
*retrycntp = num;
|
|
} else if (!strcmp(cp, "rsize") && num > 0) {
|
|
nfsargsp->rsize = num;
|
|
nfsargsp->flags |= NFSMNT_RSIZE;
|
|
} else if (!strcmp(cp, "wsize") && num > 0) {
|
|
nfsargsp->wsize = num;
|
|
nfsargsp->flags |= NFSMNT_WSIZE;
|
|
} else if (!strcmp(cp, "timeo") && num > 0) {
|
|
nfsargsp->timeo = num;
|
|
nfsargsp->flags |= NFSMNT_TIMEO;
|
|
} else if (!strcmp(cp, "retrans") && num > 0) {
|
|
nfsargsp->retrans = num;
|
|
nfsargsp->flags |= NFSMNT_RETRANS;
|
|
}
|
|
}
|
|
if (nfsargsp->sotype == SOCK_DGRAM) {
|
|
if (nfsargsp->rsize > NFS_MAXDGRAMDATA)
|
|
nfsargsp->rsize = NFS_MAXDGRAMDATA;
|
|
if (nfsargsp->wsize > NFS_MAXDGRAMDATA)
|
|
nfsargsp->wsize = NFS_MAXDGRAMDATA;
|
|
}
|
|
}
|
|
|
|
char *
|
|
getnfsargs(spec, nfsargsp)
|
|
char *spec;
|
|
struct nfs_args *nfsargsp;
|
|
{
|
|
register CLIENT *clp;
|
|
struct hostent *hp;
|
|
static struct sockaddr_in saddr;
|
|
struct timeval pertry, try;
|
|
enum clnt_stat clnt_stat;
|
|
int so = RPC_ANYSOCK;
|
|
char *fsp, *hostp, *delimp;
|
|
u_short tport;
|
|
static struct nfhret nfhret;
|
|
static char nam[MNAMELEN + 1];
|
|
char buf[MAXPATHLEN + 1];
|
|
|
|
strncpy(buf, spec, MAXPATHLEN);
|
|
buf[MAXPATHLEN] = '\0';
|
|
strncpy(nam, spec, MNAMELEN);
|
|
nam[MNAMELEN] = '\0';
|
|
if ((delimp = index(buf, '@')) != NULL) {
|
|
hostp = delimp + 1;
|
|
fsp = buf;
|
|
} else if ((delimp = index(buf, ':')) != NULL) {
|
|
hostp = buf;
|
|
fsp = delimp + 1;
|
|
} else {
|
|
(void) fprintf(stderr,
|
|
"mount: No <host>:<dirpath> or <dirpath>@<host> spec\n");
|
|
return (0);
|
|
}
|
|
*delimp = '\0';
|
|
if ((hp = gethostbyname(hostp)) == NULL) {
|
|
(void) fprintf(stderr, "mount: Can't get net id for host\n");
|
|
return (0);
|
|
}
|
|
bzero((char *)&saddr, sizeof saddr);
|
|
bcopy(hp->h_addr, (caddr_t)&saddr.sin_addr, hp->h_length);
|
|
nfhret.stat = ETIMEDOUT; /* Mark not yet successful */
|
|
while (retrycnt > 0) {
|
|
saddr.sin_family = AF_INET;
|
|
saddr.sin_port = htons(PMAPPORT);
|
|
if ((tport = pmap_getport(&saddr, RPCPROG_NFS,
|
|
NFS_VER2, IPPROTO_UDP)) == 0) {
|
|
if ((opflags & ISBGRND) == 0)
|
|
clnt_pcreateerror("NFS Portmap");
|
|
} else {
|
|
saddr.sin_port = 0;
|
|
pertry.tv_sec = 10;
|
|
pertry.tv_usec = 0;
|
|
if ((clp = clntudp_create(&saddr, RPCPROG_MNT,
|
|
RPCMNT_VER1, pertry, &so)) == NULL) {
|
|
if ((opflags & ISBGRND) == 0)
|
|
clnt_pcreateerror("Cannot MNT PRC");
|
|
} else {
|
|
clp->cl_auth = authunix_create_default();
|
|
try.tv_sec = 10;
|
|
try.tv_usec = 0;
|
|
clnt_stat = clnt_call(clp, RPCMNT_MOUNT,
|
|
xdr_dir, fsp, xdr_fh, &nfhret, try);
|
|
if (clnt_stat != RPC_SUCCESS) {
|
|
if ((opflags & ISBGRND) == 0)
|
|
clnt_perror(clp, "Bad MNT RPC");
|
|
} else {
|
|
auth_destroy(clp->cl_auth);
|
|
clnt_destroy(clp);
|
|
retrycnt = 0;
|
|
}
|
|
}
|
|
}
|
|
if (--retrycnt > 0) {
|
|
if (opflags & BGRND) {
|
|
opflags &= ~BGRND;
|
|
if (fork())
|
|
return (0);
|
|
else
|
|
opflags |= ISBGRND;
|
|
}
|
|
sleep(10);
|
|
}
|
|
}
|
|
if (nfhret.stat) {
|
|
if (opflags & ISBGRND)
|
|
exit(1);
|
|
(void) fprintf(stderr, "Mount RPC error on %s: ", spec);
|
|
errno = nfhret.stat;
|
|
perror((char *)NULL);
|
|
return (0);
|
|
}
|
|
saddr.sin_port = htons(tport);
|
|
nfsargsp->addr = (struct sockaddr *) &saddr;
|
|
nfsargsp->fh = &nfhret.nfh;
|
|
nfsargsp->hostname = nam;
|
|
return ((caddr_t)nfsargsp);
|
|
}
|
|
|
|
/*
|
|
* xdr routines for mount rpc's
|
|
*/
|
|
xdr_dir(xdrsp, dirp)
|
|
XDR *xdrsp;
|
|
char *dirp;
|
|
{
|
|
return (xdr_string(xdrsp, &dirp, RPCMNT_PATHLEN));
|
|
}
|
|
|
|
xdr_fh(xdrsp, np)
|
|
XDR *xdrsp;
|
|
struct nfhret *np;
|
|
{
|
|
if (!xdr_u_long(xdrsp, &(np->stat)))
|
|
return (0);
|
|
if (np->stat)
|
|
return (1);
|
|
return (xdr_opaque(xdrsp, (caddr_t)&(np->nfh), NFSX_FH));
|
|
}
|
|
#endif /* NFS */
|