HAMMER Utilities: Update for HAMMER changes.
[dragonfly.git] / sbin / mount_hpfs / mount_hpfs.c
blob09bda3c10d86db83d1cc149eaec8bd0ca634edc0
1 /*
2 * Copyright (c) 1994 Christopher G. Demetriou
3 * Copyright (c) 1999 Semen Ustimenko (semenu@FreeBSD.org)
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Christopher G. Demetriou.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $FreeBSD: src/sbin/mount_hpfs/mount_hpfs.c,v 1.1 1999/12/09 19:09:15 semenu Exp $
32 * $DragonFly: src/sbin/mount_hpfs/mount_hpfs.c,v 1.8 2005/04/03 18:59:24 joerg Exp $
35 #include <sys/cdefs.h>
36 #include <sys/param.h>
37 #include <sys/mount.h>
38 #include <sys/stat.h>
39 #include <vfs/hpfs/hpfsmount.h>
40 #include <ctype.h>
41 #include <err.h>
42 #include <grp.h>
43 #include <pwd.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <sysexits.h>
48 #include <unistd.h>
50 #include "mntopts.h"
52 static struct mntopt mopts[] = {
53 MOPT_STDOPTS,
54 MOPT_NULL
57 static gid_t a_gid(char *);
58 static uid_t a_uid(char *);
59 static mode_t a_mask(char *);
60 static void usage(void) __dead2;
61 static void load_u2wtable(struct hpfs_args *, char *);
63 int
64 main(int argc, char **argv)
66 struct hpfs_args args;
67 struct stat sb;
68 int c, mntflags, set_gid, set_uid, set_mask,error;
69 int forcerw = 0;
70 char *dev, *dir, ndir[MAXPATHLEN+1];
71 struct vfsconf vfc;
73 mntflags = set_gid = set_uid = set_mask = 0;
74 memset(&args, '\0', sizeof(args));
76 while ((c = getopt(argc, argv, "u:g:m:o:c:W:F")) != -1) {
77 switch (c) {
78 case 'F':
79 forcerw=1;
80 break;
81 case 'u':
82 args.uid = a_uid(optarg);
83 set_uid = 1;
84 break;
85 case 'g':
86 args.gid = a_gid(optarg);
87 set_gid = 1;
88 break;
89 case 'm':
90 args.mode = a_mask(optarg);
91 set_mask = 1;
92 break;
93 case 'o':
94 getmntopts(optarg, mopts, &mntflags, 0);
95 break;
96 case 'W':
97 load_u2wtable(&args, optarg);
98 args.flags |= HPFSMNT_TABLES;
99 break;
100 case '?':
101 default:
102 usage();
103 break;
107 if (optind + 2 != argc)
108 usage();
110 if (!(mntflags & MNT_RDONLY) && !forcerw) {
111 warnx("Write support is BETA, you need -F flag to enable RW mount!");
112 exit (111);
115 dev = argv[optind];
116 dir = argv[optind + 1];
117 if (dir[0] != '/') {
118 warnx("\"%s\" is a relative path", dir);
119 if (getcwd(ndir, sizeof(ndir)) == NULL)
120 err(EX_OSERR, "getcwd");
121 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
122 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
123 dir = ndir;
124 warnx("using \"%s\" instead", dir);
127 args.fspec = dev;
128 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */
129 if (mntflags & MNT_RDONLY)
130 args.export.ex_flags = MNT_EXRDONLY;
131 else
132 args.export.ex_flags = 0;
134 if (!set_gid || !set_uid || !set_mask) {
135 if (stat(dir, &sb) == -1)
136 err(EX_OSERR, "stat %s", dir);
138 if (!set_uid)
139 args.uid = sb.st_uid;
140 if (!set_gid)
141 args.gid = sb.st_gid;
142 if (!set_mask)
143 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
146 error = getvfsbyname("hpfs", &vfc);
147 if(error && vfsisloadable("hpfs")) {
148 if(vfsload("hpfs"))
149 err(EX_OSERR, "vfsload(hpfs)");
150 endvfsent(); /* clear cache */
151 error = getvfsbyname("hpfs", &vfc);
153 if (error)
154 errx(EX_OSERR, "hpfs filesystem is not available");
156 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
157 err(EX_OSERR, "%s", dev);
159 exit (0);
162 gid_t
163 a_gid(char *s)
165 struct group *gr;
166 char *gname;
167 gid_t gid;
169 if ((gr = getgrnam(s)) != NULL)
170 gid = gr->gr_gid;
171 else {
172 for (gname = s; *s && isdigit(*s); ++s);
173 if (!*s)
174 gid = atoi(gname);
175 else
176 errx(EX_NOUSER, "unknown group id: %s", gname);
178 return (gid);
181 uid_t
182 a_uid(char *s)
184 struct passwd *pw;
185 char *uname;
186 uid_t uid;
188 if ((pw = getpwnam(s)) != NULL)
189 uid = pw->pw_uid;
190 else {
191 for (uname = s; *s && isdigit(*s); ++s);
192 if (!*s)
193 uid = atoi(uname);
194 else
195 errx(EX_NOUSER, "unknown user id: %s", uname);
197 return (uid);
200 mode_t
201 a_mask(char *s)
203 int done, rv=0;
204 char *ep;
206 done = 0;
207 if (*s >= '0' && *s <= '7') {
208 done = 1;
209 rv = strtol(optarg, &ep, 8);
211 if (!done || rv < 0 || *ep)
212 errx(EX_USAGE, "invalid file mode: %s", s);
213 return (rv);
216 void
217 usage(void)
219 fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n");
220 exit(EX_USAGE);
223 void
224 load_u2wtable (struct hpfs_args *pargs, char *name)
226 FILE *f;
227 int i, code;
228 char buf[128];
229 char *fn;
231 if (*name == '/')
232 fn = name;
233 else {
234 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name);
235 buf[127] = '\0';
236 fn = buf;
238 if ((f = fopen(fn, "r")) == NULL)
239 err(EX_NOINPUT, "%s", fn);
240 for (i = 0; i < 128; i++) {
241 if (fscanf(f, "%i", &code) != 1)
242 errx(EX_DATAERR, "u2w: missing item number %d", i);
243 /* pargs->u2w[i] = code; */
245 for (i = 0; i < 128; i++) {
246 if (fscanf(f, "%i", &code) != 1)
247 errx(EX_DATAERR, "d2u: missing item number %d", i);
248 pargs->d2u[i] = code;
250 for (i = 0; i < 128; i++) {
251 if (fscanf(f, "%i", &code) != 1)
252 errx(EX_DATAERR, "u2d: missing item number %d", i);
253 pargs->u2d[i] = code;
255 fclose(f);