280 lines
6.7 KiB
C
280 lines
6.7 KiB
C
/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* Copyright (c) 1999 Semen Ustimenko
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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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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#define NTFS
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/module.h>
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#include <sys/iconv.h>
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#include <sys/linker.h>
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#include <fs/ntfs/ntfsmount.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 <libutil.h>
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#include "mntopts.h"
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#define TRANSITION_PERIOD_HACK
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static struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_END
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};
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static gid_t a_gid(char *);
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static uid_t a_uid(char *);
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static mode_t a_mask(char *);
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static void usage(void) __dead2;
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static int set_charset(struct ntfs_args *);
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int
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main(int argc, char *argv[])
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{
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struct ntfs_args args;
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struct stat sb;
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int c, mntflags, set_gid, set_uid, set_mask;
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char *dev, *dir, mntpath[MAXPATHLEN];
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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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args.cs_ntfs = NULL;
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args.cs_local = NULL;
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#ifdef TRANSITION_PERIOD_HACK
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while ((c = getopt(argc, argv, "aiu:g:m:o:C:W:")) != -1) {
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#else
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while ((c = getopt(argc, argv, "aiu:g:m:o:C:")) != -1) {
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#endif
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switch (c) {
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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 'i':
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args.flag |= NTFS_MFLAG_CASEINS;
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break;
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case 'a':
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args.flag |= NTFS_MFLAG_ALLNAMES;
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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 'C':
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args.cs_local = malloc(ICONV_CSNMAXLEN);
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if (args.cs_local == NULL)
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err(EX_OSERR, "malloc()");
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strncpy(args.cs_local,
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kiconv_quirkcs(optarg, KICONV_VENDOR_MICSFT),
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ICONV_CSNMAXLEN);
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break;
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#ifdef TRANSITION_PERIOD_HACK
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case 'W':
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args.cs_local = malloc(ICONV_CSNMAXLEN);
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if (args.cs_local == NULL)
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err(EX_OSERR, "malloc()");
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if (strcmp(optarg, "iso22dos") == 0) {
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strcpy(args.cs_local, "ISO8859-2");
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} else if (strcmp(optarg, "iso72dos") == 0) {
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strcpy(args.cs_local, "ISO8859-7");
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} else if (strcmp(optarg, "koi2dos") == 0) {
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strcpy(args.cs_local, "KOI8-R");
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} else if (strcmp(optarg, "koi8u2dos") == 0) {
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strcpy(args.cs_local, "KOI8-U");
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} else {
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err(EX_NOINPUT, "%s", optarg);
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}
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break;
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#endif /* TRANSITION_PERIOD_HACK */
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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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dev = argv[optind];
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dir = argv[optind + 1];
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if (args.cs_local) {
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if (set_charset(&args) == -1)
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err(EX_OSERR, "ntfs_iconv");
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args.flag |= NTFS_MFLAG_KICONV;
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/*
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* XXX
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* Force to be MNT_RDONLY,
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* since only reading is supported right now,
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*/
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mntflags |= MNT_RDONLY;
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}
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/*
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* Resolve the mountpoint with realpath(3) and remove unnecessary
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* slashes from the devicename if there are any.
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*/
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(void)checkpath(dir, mntpath);
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(void)rmslashes(dev, dev);
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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(mntpath, &sb) == -1)
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err(EX_OSERR, "stat %s", mntpath);
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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 (mount("ntfs", mntpath, mntflags, &args) < 0)
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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(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(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(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(void)
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{
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#ifdef TRANSITION_PERIOD_HACK
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fprintf(stderr, "%s\n%s\n",
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"usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask]",
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" [-C charset] [-W u2wtable] special node");
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#else
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fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] [-C charset] special node\n");
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#endif
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exit(EX_USAGE);
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}
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int
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set_charset(struct ntfs_args *pargs)
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{
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int error;
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if (modfind("ntfs_iconv") < 0)
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if (kldload("ntfs_iconv") < 0 || modfind("ntfs_iconv") < 0) {
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warnx( "cannot find or load \"ntfs_iconv\" kernel module");
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return (-1);
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}
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if ((pargs->cs_ntfs = malloc(ICONV_CSNMAXLEN)) == NULL)
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return (-1);
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strncpy(pargs->cs_ntfs, ENCODING_UNICODE, ICONV_CSNMAXLEN);
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error = kiconv_add_xlat16_cspairs(pargs->cs_ntfs, pargs->cs_local);
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if (error)
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return (-1);
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return (0);
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}
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