mirror of
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285 lines
6.5 KiB
C
285 lines
6.5 KiB
C
/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* Copyright (c) 1999 Semen Ustimenko (semenu@FreeBSD.org)
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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 Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <fs/hpfs/hpfsmount.h>
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#include <ctype.h>
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#include <err.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "mntopts.h"
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static struct mntopt mopts[] = {
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MOPT_STDOPTS,
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{ NULL }
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};
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static gid_t a_gid __P((char *));
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static uid_t a_uid __P((char *));
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static mode_t a_mask __P((char *));
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static void usage __P((void)) __dead2;
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static void load_u2wtable __P((struct hpfs_args *, char *));
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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struct hpfs_args args;
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struct stat sb;
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int c, mntflags, set_gid, set_uid, set_mask,error;
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int forcerw = 0;
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char *dev, *dir, ndir[MAXPATHLEN+1];
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#if __FreeBSD_version >= 300000
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struct vfsconf vfc;
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#else
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struct vfsconf *vfc;
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#endif
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mntflags = set_gid = set_uid = set_mask = 0;
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(void)memset(&args, '\0', sizeof(args));
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while ((c = getopt(argc, argv, "u:g:m:o:c:W:F")) != -1) {
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switch (c) {
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case 'F':
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forcerw=1;
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break;
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case 'u':
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args.uid = a_uid(optarg);
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set_uid = 1;
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break;
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case 'g':
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args.gid = a_gid(optarg);
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set_gid = 1;
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break;
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case 'm':
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args.mode = a_mask(optarg);
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set_mask = 1;
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break;
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case 'W':
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load_u2wtable(&args, optarg);
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args.flags |= HPFSMNT_TABLES;
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break;
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case '?':
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default:
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usage();
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break;
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}
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}
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if (optind + 2 != argc)
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usage();
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if (!(mntflags & MNT_RDONLY) && !forcerw) {
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warnx("Write support is BETA, you need -F flag to enable RW mount!");
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exit (111);
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}
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dev = argv[optind];
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dir = argv[optind + 1];
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if (dir[0] != '/') {
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warnx("\"%s\" is a relative path", dir);
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if (getcwd(ndir, sizeof(ndir)) == NULL)
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err(EX_OSERR, "getcwd");
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strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
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strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
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dir = ndir;
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warnx("using \"%s\" instead", dir);
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}
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args.fspec = dev;
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args.export.ex_root = 65534; /* unchecked anyway on DOS fs */
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if (mntflags & MNT_RDONLY)
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args.export.ex_flags = MNT_EXRDONLY;
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else
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args.export.ex_flags = 0;
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if (!set_gid || !set_uid || !set_mask) {
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if (stat(dir, &sb) == -1)
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err(EX_OSERR, "stat %s", dir);
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if (!set_uid)
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args.uid = sb.st_uid;
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if (!set_gid)
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args.gid = sb.st_gid;
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if (!set_mask)
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args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
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}
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#if __FreeBSD_version >= 300000
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error = getvfsbyname("hpfs", &vfc);
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if(error && vfsisloadable("hpfs")) {
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if(vfsload("hpfs"))
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#else
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vfc = getvfsbyname("hpfs");
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if(!vfc && vfsisloadable("hpfs")) {
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if(vfsload("hpfs"))
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#endif
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err(EX_OSERR, "vfsload(hpfs)");
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endvfsent(); /* clear cache */
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#if __FreeBSD_version >= 300000
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error = getvfsbyname("hpfs", &vfc);
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#else
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vfc = getvfsbyname("hpfs");
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#endif
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}
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#if __FreeBSD_version >= 300000
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if (error)
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#else
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if (!vfc)
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#endif
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errx(EX_OSERR, "hpfs filesystem is not available");
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#if __FreeBSD_version >= 300000
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if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
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#else
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if (mount(vfc->vfc_index, dir, mntflags, &args) < 0)
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#endif
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err(EX_OSERR, "%s", dev);
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exit (0);
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}
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gid_t
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a_gid(s)
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char *s;
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{
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struct group *gr;
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char *gname;
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gid_t gid;
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if ((gr = getgrnam(s)) != NULL)
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gid = gr->gr_gid;
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else {
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for (gname = s; *s && isdigit(*s); ++s);
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if (!*s)
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gid = atoi(gname);
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else
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errx(EX_NOUSER, "unknown group id: %s", gname);
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}
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return (gid);
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}
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uid_t
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a_uid(s)
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char *s;
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{
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struct passwd *pw;
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char *uname;
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uid_t uid;
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if ((pw = getpwnam(s)) != NULL)
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uid = pw->pw_uid;
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else {
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for (uname = s; *s && isdigit(*s); ++s);
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if (!*s)
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uid = atoi(uname);
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else
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errx(EX_NOUSER, "unknown user id: %s", uname);
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}
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return (uid);
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}
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mode_t
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a_mask(s)
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char *s;
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{
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int done, rv=0;
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char *ep;
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done = 0;
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if (*s >= '0' && *s <= '7') {
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done = 1;
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rv = strtol(optarg, &ep, 8);
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}
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if (!done || rv < 0 || *ep)
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errx(EX_USAGE, "invalid file mode: %s", s);
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return (rv);
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}
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void
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usage()
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{
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fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n");
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exit(EX_USAGE);
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}
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void
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load_u2wtable (pargs, name)
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struct hpfs_args *pargs;
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char *name;
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{
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FILE *f;
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int i, code;
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char buf[128];
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char *fn;
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if (*name == '/')
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fn = name;
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else {
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snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name);
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buf[127] = '\0';
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fn = buf;
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}
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if ((f = fopen(fn, "r")) == NULL)
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err(EX_NOINPUT, "%s", fn);
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for (i = 0; i < 128; i++) {
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if (fscanf(f, "%i", &code) != 1)
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errx(EX_DATAERR, "u2w: missing item number %d", i);
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/* pargs->u2w[i] = code; */
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}
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for (i = 0; i < 128; i++) {
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if (fscanf(f, "%i", &code) != 1)
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errx(EX_DATAERR, "d2u: missing item number %d", i);
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pargs->d2u[i] = code;
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}
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for (i = 0; i < 128; i++) {
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if (fscanf(f, "%i", &code) != 1)
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errx(EX_DATAERR, "u2d: missing item number %d", i);
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pargs->u2d[i] = code;
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}
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fclose(f);
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}
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