1 /* 2 * Copyright (c) 1994 Christopher G. Demetriou 3 * Copyright (c) 1999 Semen Ustimenko (semenu@FreeBSD.org) 4 * All rights reserved. 5 * 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 19 * 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. 30 * 31 * $FreeBSD: src/sbin/mount_hpfs/mount_hpfs.c,v 1.1 1999/12/09 19:09:15 semenu Exp $ 32 */ 33 34 #include <sys/cdefs.h> 35 #include <sys/param.h> 36 #include <sys/mount.h> 37 #include <sys/stat.h> 38 #include <vfs/hpfs/hpfsmount.h> 39 #include <ctype.h> 40 #include <err.h> 41 #include <grp.h> 42 #include <mntopts.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> 49 50 static struct mntopt mopts[] = { 51 MOPT_STDOPTS, 52 MOPT_NULL 53 }; 54 55 static gid_t a_gid(char *); 56 static uid_t a_uid(char *); 57 static mode_t a_mask(char *); 58 static void usage(void) __dead2; 59 #if 0 60 static void load_u2wtable(struct hpfs_args *, char *); 61 #endif 62 63 int 64 main(int argc, char **argv) 65 { 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; 72 73 mntflags = set_gid = set_uid = set_mask = 0; 74 memset(&args, '\0', sizeof(args)); 75 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 #if 0 97 case 'W': 98 load_u2wtable(&args, optarg); 99 args.flags |= HPFSMNT_TABLES; 100 break; 101 #endif 102 case '?': 103 default: 104 usage(); 105 break; 106 } 107 } 108 109 if (optind + 2 != argc) 110 usage(); 111 112 if (!(mntflags & MNT_RDONLY) && !forcerw) { 113 warnx("Write support is BETA, you need -F flag to enable RW mount!"); 114 exit (111); 115 } 116 117 dev = argv[optind]; 118 dir = argv[optind + 1]; 119 if (dir[0] != '/') { 120 warnx("\"%s\" is a relative path", dir); 121 if (getcwd(ndir, sizeof(ndir)) == NULL) 122 err(EX_OSERR, "getcwd"); 123 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1); 124 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1); 125 dir = ndir; 126 warnx("using \"%s\" instead", dir); 127 } 128 129 args.fspec = dev; 130 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 131 if (mntflags & MNT_RDONLY) 132 args.export.ex_flags = MNT_EXRDONLY; 133 else 134 args.export.ex_flags = 0; 135 136 if (!set_gid || !set_uid || !set_mask) { 137 if (stat(dir, &sb) == -1) 138 err(EX_OSERR, "stat %s", dir); 139 140 if (!set_uid) 141 args.uid = sb.st_uid; 142 if (!set_gid) 143 args.gid = sb.st_gid; 144 if (!set_mask) 145 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 146 } 147 148 error = getvfsbyname("hpfs", &vfc); 149 if(error && vfsisloadable("hpfs")) { 150 if(vfsload("hpfs")) 151 err(EX_OSERR, "vfsload(hpfs)"); 152 endvfsent(); /* clear cache */ 153 error = getvfsbyname("hpfs", &vfc); 154 } 155 if (error) 156 errx(EX_OSERR, "hpfs filesystem is not available"); 157 158 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0) 159 err(EX_OSERR, "%s", dev); 160 161 exit (0); 162 } 163 164 gid_t 165 a_gid(char *s) 166 { 167 struct group *gr; 168 char *gname; 169 gid_t gid; 170 171 if ((gr = getgrnam(s)) != NULL) 172 gid = gr->gr_gid; 173 else { 174 for (gname = s; *s && isdigit(*s); ++s); 175 if (!*s) 176 gid = atoi(gname); 177 else 178 errx(EX_NOUSER, "unknown group id: %s", gname); 179 } 180 return (gid); 181 } 182 183 uid_t 184 a_uid(char *s) 185 { 186 struct passwd *pw; 187 char *uname; 188 uid_t uid; 189 190 if ((pw = getpwnam(s)) != NULL) 191 uid = pw->pw_uid; 192 else { 193 for (uname = s; *s && isdigit(*s); ++s); 194 if (!*s) 195 uid = atoi(uname); 196 else 197 errx(EX_NOUSER, "unknown user id: %s", uname); 198 } 199 return (uid); 200 } 201 202 mode_t 203 a_mask(char *s) 204 { 205 int done, rv=0; 206 char *ep; 207 208 done = 0; 209 if (*s >= '0' && *s <= '7') { 210 done = 1; 211 rv = strtol(optarg, &ep, 8); 212 } 213 if (!done || rv < 0 || *ep) 214 errx(EX_USAGE, "invalid file mode: %s", s); 215 return (rv); 216 } 217 218 void 219 usage(void) 220 { 221 fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n"); 222 exit(EX_USAGE); 223 } 224 225 #if 0 226 void 227 load_u2wtable (struct hpfs_args *pargs, char *name) 228 { 229 FILE *f; 230 int i, code; 231 char buf[128]; 232 char *fn; 233 234 if (*name == '/') 235 fn = name; 236 else { 237 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name); 238 buf[127] = '\0'; 239 fn = buf; 240 } 241 if ((f = fopen(fn, "r")) == NULL) 242 err(EX_NOINPUT, "%s", fn); 243 for (i = 0; i < 128; i++) { 244 if (fscanf(f, "%i", &code) != 1) 245 errx(EX_DATAERR, "u2w: missing item number %d", i); 246 /* pargs->u2w[i] = code; */ 247 } 248 for (i = 0; i < 128; i++) { 249 if (fscanf(f, "%i", &code) != 1) 250 errx(EX_DATAERR, "d2u: missing item number %d", i); 251 pargs->d2u[i] = code; 252 } 253 for (i = 0; i < 128; i++) { 254 if (fscanf(f, "%i", &code) != 1) 255 errx(EX_DATAERR, "u2d: missing item number %d", i); 256 pargs->u2d[i] = code; 257 } 258 fclose(f); 259 } 260 #endif 261