#include <sys/param.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <vfs/hpfs/hpfsmount.h>
#include <ctype.h>
#include <err.h>
#include <grp.h>
#include <mntopts.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
static struct mntopt mopts[] = {
MOPT_STDOPTS,
MOPT_NULL
};
static gid_t a_gid(char *);
static uid_t a_uid(char *);
static mode_t a_mask(char *);
static void usage(void) __dead2;
#if 0
static void load_u2wtable(struct hpfs_args *, char *);
#endif
int
main(int argc, char **argv)
{
struct hpfs_args args;
struct stat sb;
int c, mntflags, set_gid, set_uid, set_mask,error;
char *dev, *dir, ndir[MAXPATHLEN+1];
struct vfsconf vfc;
mntflags = set_gid = set_uid = set_mask = 0;
memset(&args, '\0', sizeof(args));
while ((c = getopt(argc, argv, "u:g:m:o:c:W:")) != -1) {
switch (c) {
case 'u':
args.uid = a_uid(optarg);
set_uid = 1;
break;
case 'g':
args.gid = a_gid(optarg);
set_gid = 1;
break;
case 'm':
args.mode = a_mask(optarg);
set_mask = 1;
break;
case 'o':
getmntopts(optarg, mopts, &mntflags, 0);
break;
#if 0
case 'W':
load_u2wtable(&args, optarg);
args.flags |= HPFSMNT_TABLES;
break;
#endif
case '?':
default:
usage();
break;
}
}
if (optind + 2 != argc)
usage();
mntflags |= MNT_RDONLY;
dev = argv[optind];
dir = argv[optind + 1];
if (dir[0] != '/') {
warnx("\"%s\" is a relative path", dir);
if (getcwd(ndir, sizeof(ndir)) == NULL)
err(EX_OSERR, "getcwd");
strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
dir = ndir;
warnx("using \"%s\" instead", dir);
}
args.fspec = dev;
args.export.ex_root = 65534;
if (mntflags & MNT_RDONLY)
args.export.ex_flags = MNT_EXRDONLY;
else
args.export.ex_flags = 0;
if (!set_gid || !set_uid || !set_mask) {
if (stat(dir, &sb) == -1)
err(EX_OSERR, "stat %s", dir);
if (!set_uid)
args.uid = sb.st_uid;
if (!set_gid)
args.gid = sb.st_gid;
if (!set_mask)
args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
error = getvfsbyname("hpfs", &vfc);
if(error && vfsisloadable("hpfs")) {
if(vfsload("hpfs"))
err(EX_OSERR, "vfsload(hpfs)");
endvfsent();
error = getvfsbyname("hpfs", &vfc);
}
if (error)
errx(EX_OSERR, "hpfs filesystem is not available");
if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
err(EX_OSERR, "%s", dev);
exit (0);
}
gid_t
a_gid(char *s)
{
struct group *gr;
char *gname;
gid_t gid;
if ((gr = getgrnam(s)) != NULL)
gid = gr->gr_gid;
else {
for (gname = s; *s && isdigit(*s); ++s);
if (!*s)
gid = atoi(gname);
else
errx(EX_NOUSER, "unknown group id: %s", gname);
}
return (gid);
}
uid_t
a_uid(char *s)
{
struct passwd *pw;
char *uname;
uid_t uid;
if ((pw = getpwnam(s)) != NULL)
uid = pw->pw_uid;
else {
for (uname = s; *s && isdigit(*s); ++s);
if (!*s)
uid = atoi(uname);
else
errx(EX_NOUSER, "unknown user id: %s", uname);
}
return (uid);
}
mode_t
a_mask(char *s)
{
int done, rv=0;
char *ep;
done = 0;
if (*s >= '0' && *s <= '7') {
done = 1;
rv = strtol(optarg, &ep, 8);
}
if (!done || rv < 0 || *ep)
errx(EX_USAGE, "invalid file mode: %s", s);
return (rv);
}
void
usage(void)
{
fprintf(stderr, "usage: mount_hpfs [-u user] [-g group] [-m mask] bdev dir\n");
exit(EX_USAGE);
}
#if 0
void
load_u2wtable (struct hpfs_args *pargs, char *name)
{
FILE *f;
int i, code;
char buf[128];
char *fn;
if (*name == '/')
fn = name;
else {
snprintf(buf, sizeof(buf), "/usr/libdata/msdosfs/%s", name);
buf[127] = '\0';
fn = buf;
}
if ((f = fopen(fn, "r")) == NULL)
err(EX_NOINPUT, "%s", fn);
for (i = 0; i < 128; i++) {
if (fscanf(f, "%i", &code) != 1)
errx(EX_DATAERR, "u2w: missing item number %d", i);
}
for (i = 0; i < 128; i++) {
if (fscanf(f, "%i", &code) != 1)
errx(EX_DATAERR, "d2u: missing item number %d", i);
pargs->d2u[i] = code;
}
for (i = 0; i < 128; i++) {
if (fscanf(f, "%i", &code) != 1)
errx(EX_DATAERR, "u2d: missing item number %d", i);
pargs->u2d[i] = code;
}
fclose(f);
}
#endif
