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 int forcerw = 0; 69 char *dev, *dir, ndir[MAXPATHLEN+1]; 70 struct vfsconf vfc; 71 72 mntflags = set_gid = set_uid = set_mask = 0; 73 memset(&args, '\0', sizeof(args)); 74 75 while ((c = getopt(argc, argv, "u:g:m:o:c:W:F")) != -1) { 76 switch (c) { 77 case 'F': 78 forcerw=1; 79 break; 80 case 'u': 81 args.uid = a_uid(optarg); 82 set_uid = 1; 83 break; 84 case 'g': 85 args.gid = a_gid(optarg); 86 set_gid = 1; 87 break; 88 case 'm': 89 args.mode = a_mask(optarg); 90 set_mask = 1; 91 break; 92 case 'o': 93 getmntopts(optarg, mopts, &mntflags, 0); 94 break; 95 #if 0 96 case 'W': 97 load_u2wtable(&args, optarg); 98 args.flags |= HPFSMNT_TABLES; 99 break; 100 #endif 101 case '?': 102 default: 103 usage(); 104 break; 105 } 106 } 107 108 if (optind + 2 != argc) 109 usage(); 110 111 if (!(mntflags & MNT_RDONLY) && !forcerw) { 112 warnx("Write support is BETA, you need -F flag to enable RW mount!"); 113 exit (111); 114 } 115 116 dev = argv[optind]; 117 dir = argv[optind + 1]; 118 if (dir[0] != '/') { 119 warnx("\"%s\" is a relative path", dir); 120 if (getcwd(ndir, sizeof(ndir)) == NULL) 121 err(EX_OSERR, "getcwd"); 122 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1); 123 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1); 124 dir = ndir; 125 warnx("using \"%s\" instead", dir); 126 } 127 128 args.fspec = dev; 129 args.export.ex_root = 65534; /* unchecked anyway on DOS fs */ 130 if (mntflags & MNT_RDONLY) 131 args.export.ex_flags = MNT_EXRDONLY; 132 else 133 args.export.ex_flags = 0; 134 135 if (!set_gid || !set_uid || !set_mask) { 136 if (stat(dir, &sb) == -1) 137 err(EX_OSERR, "stat %s", dir); 138 139 if (!set_uid) 140 args.uid = sb.st_uid; 141 if (!set_gid) 142 args.gid = sb.st_gid; 143 if (!set_mask) 144 args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); 145 } 146 147 error = getvfsbyname("hpfs", &vfc); 148 if(error && vfsisloadable("hpfs")) { 149 if(vfsload("hpfs")) 150 err(EX_OSERR, "vfsload(hpfs)"); 151 endvfsent(); /* clear cache */ 152 error = getvfsbyname("hpfs", &vfc); 153 } 154 if (error) 155 errx(EX_OSERR, "hpfs filesystem is not available"); 156 157 if (mount(vfc.vfc_name, dir, mntflags, &args) < 0) 158 err(EX_OSERR, "%s", dev); 159 160 exit (0); 161 } 162 163 gid_t 164 a_gid(char *s) 165 { 166 struct group *gr; 167 char *gname; 168 gid_t gid; 169 170 if ((gr = getgrnam(s)) != NULL) 171 gid = gr->gr_gid; 172 else { 173 for (gname = s; *s && isdigit(*s); ++s); 174 if (!*s) 175 gid = atoi(gname); 176 else 177 errx(EX_NOUSER, "unknown group id: %s", gname); 178 } 179 return (gid); 180 } 181 182 uid_t 183 a_uid(char *s) 184 { 185 struct passwd *pw; 186 char *uname; 187 uid_t uid; 188 189 if ((pw = getpwnam(s)) != NULL) 190 uid = pw->pw_uid; 191 else { 192 for (uname = s; *s && isdigit(*s); ++s); 193 if (!*s) 194 uid = atoi(uname); 195 else 196 errx(EX_NOUSER, "unknown user id: %s", uname); 197 } 198 return (uid); 199 } 200 201 mode_t 202 a_mask(char *s) 203 { 204 int done, rv=0; 205 char *ep; 206 207 done = 0; 208 if (*s >= '0' && *s <= '7') { 209 done = 1; 210 rv = strtol(optarg, &ep, 8); 211 } 212 if (!done || rv < 0 || *ep) 213 errx(EX_USAGE, "invalid file mode: %s", s); 214 return (rv); 215 } 216 217 void 218 usage(void) 219 { 220 fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n"); 221 exit(EX_USAGE); 222 } 223 224 #if 0 225 void 226 load_u2wtable (struct hpfs_args *pargs, char *name) 227 { 228 FILE *f; 229 int i, code; 230 char buf[128]; 231 char *fn; 232 233 if (*name == '/') 234 fn = name; 235 else { 236 snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name); 237 buf[127] = '\0'; 238 fn = buf; 239 } 240 if ((f = fopen(fn, "r")) == NULL) 241 err(EX_NOINPUT, "%s", fn); 242 for (i = 0; i < 128; i++) { 243 if (fscanf(f, "%i", &code) != 1) 244 errx(EX_DATAERR, "u2w: missing item number %d", i); 245 /* pargs->u2w[i] = code; */ 246 } 247 for (i = 0; i < 128; i++) { 248 if (fscanf(f, "%i", &code) != 1) 249 errx(EX_DATAERR, "d2u: missing item number %d", i); 250 pargs->d2u[i] = code; 251 } 252 for (i = 0; i < 128; i++) { 253 if (fscanf(f, "%i", &code) != 1) 254 errx(EX_DATAERR, "u2d: missing item number %d", i); 255 pargs->u2d[i] = code; 256 } 257 fclose(f); 258 } 259 #endif 260