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/param.h> 35 #include <sys/mount.h> 36 #include <sys/stat.h> 37 #include <vfs/hpfs/hpfsmount.h> 38 #include <ctype.h> 39 #include <err.h> 40 #include <grp.h> 41 #include <mntopts.h> 42 #include <pwd.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <sysexits.h> 47 #include <unistd.h> 48 49 static struct mntopt mopts[] = { 50 MOPT_STDOPTS, 51 MOPT_NULL 52 }; 53 54 static gid_t a_gid(char *); 55 static uid_t a_uid(char *); 56 static mode_t a_mask(char *); 57 static void usage(void) __dead2; 58 #if 0 59 static void load_u2wtable(struct hpfs_args *, char *); 60 #endif 61 62 int 63 main(int argc, char **argv) 64 { 65 struct hpfs_args args; 66 struct stat sb; 67 int c, mntflags, set_gid, set_uid, set_mask,error; 68 char *dev, *dir, ndir[MAXPATHLEN+1]; 69 struct vfsconf vfc; 70 71 mntflags = set_gid = set_uid = set_mask = 0; 72 memset(&args, '\0', sizeof(args)); 73 74 while ((c = getopt(argc, argv, "u:g:m:o:c:W:")) != -1) { 75 switch (c) { 76 case 'u': 77 args.uid = a_uid(optarg); 78 set_uid = 1; 79 break; 80 case 'g': 81 args.gid = a_gid(optarg); 82 set_gid = 1; 83 break; 84 case 'm': 85 args.mode = a_mask(optarg); 86 set_mask = 1; 87 break; 88 case 'o': 89 getmntopts(optarg, mopts, &mntflags, 0); 90 break; 91 #if 0 92 case 'W': 93 load_u2wtable(&args, optarg); 94 args.flags |= HPFSMNT_TABLES; 95 break; 96 #endif 97 case '?': 98 default: 99 usage(); 100 break; 101 } 102 } 103 104 if (optind + 2 != argc) 105 usage(); 106 107 mntflags |= MNT_RDONLY; 108 109 dev = argv[optind]; 110 dir = argv[optind + 1]; 111 if (dir[0] != '/') { 112 warnx("\"%s\" is a relative path", dir); 113 if (getcwd(ndir, sizeof(ndir)) == NULL) 114 err(EX_OSERR, "getcwd"); 115 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1); 116 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1); 117 dir = ndir; 118 warnx("using \"%s\" instead", dir); 119 } 120 121 args.fspec = dev; 122 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 123 if (mntflags & MNT_RDONLY) 124 args.export.ex_flags = MNT_EXRDONLY; 125 else 126 args.export.ex_flags = 0; 127 128 if (!set_gid || !set_uid || !set_mask) { 129 if (stat(dir, &sb) == -1) 130 err(EX_OSERR, "stat %s", dir); 131 132 if (!set_uid) 133 args.uid = sb.st_uid; 134 if (!set_gid) 135 args.gid = sb.st_gid; 136 if (!set_mask) 137 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 138 } 139 140 error = getvfsbyname("hpfs", &vfc); 141 if(error && vfsisloadable("hpfs")) { 142 if(vfsload("hpfs")) 143 err(EX_OSERR, "vfsload(hpfs)"); 144 endvfsent(); /* clear cache */ 145 error = getvfsbyname("hpfs", &vfc); 146 } 147 if (error) 148 errx(EX_OSERR, "hpfs filesystem is not available"); 149 150 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0) 151 err(EX_OSERR, "%s", dev); 152 153 exit (0); 154 } 155 156 gid_t 157 a_gid(char *s) 158 { 159 struct group *gr; 160 char *gname; 161 gid_t gid; 162 163 if ((gr = getgrnam(s)) != NULL) 164 gid = gr->gr_gid; 165 else { 166 for (gname = s; *s && isdigit(*s); ++s); 167 if (!*s) 168 gid = atoi(gname); 169 else 170 errx(EX_NOUSER, "unknown group id: %s", gname); 171 } 172 return (gid); 173 } 174 175 uid_t 176 a_uid(char *s) 177 { 178 struct passwd *pw; 179 char *uname; 180 uid_t uid; 181 182 if ((pw = getpwnam(s)) != NULL) 183 uid = pw->pw_uid; 184 else { 185 for (uname = s; *s && isdigit(*s); ++s); 186 if (!*s) 187 uid = atoi(uname); 188 else 189 errx(EX_NOUSER, "unknown user id: %s", uname); 190 } 191 return (uid); 192 } 193 194 mode_t 195 a_mask(char *s) 196 { 197 int done, rv=0; 198 char *ep; 199 200 done = 0; 201 if (*s >= '0' && *s <= '7') { 202 done = 1; 203 rv = strtol(optarg, &ep, 8); 204 } 205 if (!done || rv < 0 || *ep) 206 errx(EX_USAGE, "invalid file mode: %s", s); 207 return (rv); 208 } 209 210 void 211 usage(void) 212 { 213 fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n"); 214 exit(EX_USAGE); 215 } 216 217 #if 0 218 void 219 load_u2wtable (struct hpfs_args *pargs, char *name) 220 { 221 FILE *f; 222 int i, code; 223 char buf[128]; 224 char *fn; 225 226 if (*name == '/') 227 fn = name; 228 else { 229 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name); 230 buf[127] = '\0'; 231 fn = buf; 232 } 233 if ((f = fopen(fn, "r")) == NULL) 234 err(EX_NOINPUT, "%s", fn); 235 for (i = 0; i < 128; i++) { 236 if (fscanf(f, "%i", &code) != 1) 237 errx(EX_DATAERR, "u2w: missing item number %d", i); 238 /* pargs->u2w[i] = code; */ 239 } 240 for (i = 0; i < 128; i++) { 241 if (fscanf(f, "%i", &code) != 1) 242 errx(EX_DATAERR, "d2u: missing item number %d", i); 243 pargs->d2u[i] = code; 244 } 245 for (i = 0; i < 128; i++) { 246 if (fscanf(f, "%i", &code) != 1) 247 errx(EX_DATAERR, "u2d: missing item number %d", i); 248 pargs->u2d[i] = code; 249 } 250 fclose(f); 251 } 252 #endif 253