958a83b970
vnconfig doesn't seem to be in Lite2, although dev/vn is. The Lite2 merge in userland has converted all mount calls except this one and one for devfs in init, so we can drop support for old mount args soon. Vnconfig probably shouldn't support mounting - it only supports ufs.
445 lines
9.4 KiB
C
445 lines
9.4 KiB
C
/*
|
|
* Copyright (c) 1993 University of Utah.
|
|
* Copyright (c) 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: Utah $Hdr: vnconfig.c 1.1 93/12/15$
|
|
*
|
|
* @(#)vnconfig.c 8.1 (Berkeley) 12/15/93
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <sys/param.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/vnioctl.h>
|
|
#include <ufs/ufs/ufsmount.h>
|
|
|
|
#define MAXVNDISK 16
|
|
#define LINESIZE 1024
|
|
|
|
struct vndisk {
|
|
char *dev;
|
|
char *file;
|
|
int flags;
|
|
char *oarg;
|
|
} vndisks[MAXVNDISK];
|
|
|
|
#define VN_CONFIG 0x01
|
|
#define VN_UNCONFIG 0x02
|
|
#define VN_ENABLE 0x04
|
|
#define VN_DISABLE 0x08
|
|
#define VN_SWAP 0x10
|
|
#define VN_MOUNTRO 0x20
|
|
#define VN_MOUNTRW 0x40
|
|
#define VN_IGNORE 0x80
|
|
#define VN_SET 0x100
|
|
#define VN_RESET 0x200
|
|
|
|
int nvndisks;
|
|
|
|
int all = 0;
|
|
int verbose = 0;
|
|
int global = 0;
|
|
u_long setopt = 0;
|
|
u_long resetopt = 0;
|
|
char *configfile;
|
|
char *pname;
|
|
|
|
char *malloc(), *rawdevice(), *rindex();
|
|
|
|
main(argc, argv)
|
|
char **argv;
|
|
{
|
|
extern int optind, optopt, opterr;
|
|
extern char *optarg;
|
|
register int i, rv;
|
|
int flags = 0;
|
|
|
|
pname = argv[0];
|
|
configfile = _PATH_VNTAB;
|
|
while ((i = getopt(argc, argv, "acdef:gr:s:uv")) != EOF)
|
|
switch (i) {
|
|
|
|
/* all -- use config file */
|
|
case 'a':
|
|
all++;
|
|
break;
|
|
|
|
/* configure */
|
|
case 'c':
|
|
flags |= VN_CONFIG;
|
|
flags &= ~VN_UNCONFIG;
|
|
break;
|
|
|
|
/* disable */
|
|
case 'd':
|
|
flags |= VN_DISABLE;
|
|
flags &= ~VN_ENABLE;
|
|
break;
|
|
|
|
/* enable */
|
|
case 'e':
|
|
flags |= (VN_ENABLE|VN_CONFIG);
|
|
flags &= ~(VN_DISABLE|VN_UNCONFIG);
|
|
break;
|
|
|
|
/* alternate config file */
|
|
case 'f':
|
|
configfile = optarg;
|
|
break;
|
|
|
|
/* fiddle global options */
|
|
case 'g':
|
|
global = 1 - global;
|
|
break;
|
|
|
|
/* reset options */
|
|
case 'r':
|
|
if (what_opt(optarg,&resetopt)) {
|
|
fprintf(stderr,"Invalid options '%s'\n",
|
|
optarg);
|
|
usage();
|
|
}
|
|
flags |= VN_RESET;
|
|
break;
|
|
|
|
/* set options */
|
|
case 's':
|
|
if (what_opt(optarg,&setopt)) {
|
|
fprintf(stderr,"Invalid options '%s'\n",
|
|
optarg);
|
|
usage();
|
|
}
|
|
flags |= VN_SET;
|
|
break;
|
|
|
|
/* unconfigure */
|
|
case 'u':
|
|
flags |= (VN_DISABLE|VN_UNCONFIG);
|
|
flags &= ~(VN_ENABLE|VN_CONFIG);
|
|
break;
|
|
|
|
/* verbose */
|
|
case 'v':
|
|
verbose++;
|
|
break;
|
|
|
|
default:
|
|
fprintf(stderr, "invalid option '%c'\n", optopt);
|
|
usage();
|
|
}
|
|
|
|
if (flags == 0)
|
|
flags = VN_CONFIG;
|
|
if (all)
|
|
readconfig(flags);
|
|
else {
|
|
if (argc < optind + 1)
|
|
usage();
|
|
vndisks[0].dev = argv[optind++];
|
|
vndisks[0].file = argv[optind++];
|
|
vndisks[0].flags = flags;
|
|
if (optind < argc)
|
|
getoptions(&vndisks[0], argv[optind]);
|
|
nvndisks = 1;
|
|
}
|
|
rv = 0;
|
|
for (i = 0; i < nvndisks; i++)
|
|
rv += config(&vndisks[i]);
|
|
exit(rv);
|
|
}
|
|
|
|
int
|
|
what_opt(str,p)
|
|
char *str;
|
|
u_long *p;
|
|
{
|
|
if (!strcmp(str,"labels")) { *p |= VN_LABELS; return 0; }
|
|
if (!strcmp(str,"follow")) { *p |= VN_FOLLOW; return 0; }
|
|
if (!strcmp(str,"debug")) { *p |= VN_DEBUG; return 0; }
|
|
if (!strcmp(str,"io")) { *p |= VN_IO; return 0; }
|
|
if (!strcmp(str,"all")) { *p |= ~0; return 0; }
|
|
if (!strcmp(str,"none")) { *p |= 0; return 0; }
|
|
return 1;
|
|
}
|
|
|
|
config(vnp)
|
|
struct vndisk *vnp;
|
|
{
|
|
char *dev, *file, *oarg;
|
|
int flags;
|
|
struct vn_ioctl vnio;
|
|
register int rv;
|
|
char *rdev;
|
|
FILE *f;
|
|
extern int errno;
|
|
u_long l;
|
|
|
|
dev = vnp->dev;
|
|
file = vnp->file;
|
|
flags = vnp->flags;
|
|
oarg = vnp->oarg;
|
|
|
|
if (flags & VN_IGNORE)
|
|
return(0);
|
|
|
|
rdev = rawdevice(dev);
|
|
f = fopen(rdev, "rw");
|
|
if (f == NULL) {
|
|
perror("open");
|
|
return(1);
|
|
}
|
|
vnio.vn_file = file;
|
|
|
|
/*
|
|
* Disable the device
|
|
*/
|
|
if (flags & VN_DISABLE) {
|
|
if (flags & (VN_MOUNTRO|VN_MOUNTRW)) {
|
|
rv = unmount(oarg, 0);
|
|
if (rv) {
|
|
if (errno == EBUSY)
|
|
flags &= ~VN_UNCONFIG;
|
|
if ((flags & VN_UNCONFIG) == 0)
|
|
perror("umount");
|
|
} else if (verbose)
|
|
printf("%s: unmounted\n", dev);
|
|
}
|
|
}
|
|
/*
|
|
* Clear (un-configure) the device
|
|
*/
|
|
if (flags & VN_UNCONFIG) {
|
|
rv = ioctl(fileno(f), VNIOCDETACH, &vnio);
|
|
if (rv) {
|
|
if (errno == ENODEV) {
|
|
if (verbose)
|
|
printf("%s: not configured\n", dev);
|
|
rv = 0;
|
|
} else
|
|
perror("VNIOCDETACH");
|
|
} else if (verbose)
|
|
printf("%s: cleared\n", dev);
|
|
}
|
|
/*
|
|
* Configure the device
|
|
*/
|
|
if (flags & VN_CONFIG) {
|
|
rv = ioctl(fileno(f), VNIOCATTACH, &vnio);
|
|
if (rv) {
|
|
perror("VNIOCATTACH");
|
|
flags &= ~VN_ENABLE;
|
|
} else if (verbose)
|
|
printf("%s: %d bytes on %s\n",
|
|
dev, vnio.vn_size, file);
|
|
}
|
|
/*
|
|
* Set an option
|
|
*/
|
|
if (flags & VN_SET) {
|
|
l = setopt;
|
|
if (global)
|
|
rv = ioctl(fileno(f), VNIOCGSET, &l);
|
|
else
|
|
rv = ioctl(fileno(f), VNIOCUSET, &l);
|
|
if (rv) {
|
|
perror("VNIO[GU]SET");
|
|
} else if (verbose)
|
|
printf("%s: flags now=%08x\n",dev,l);
|
|
}
|
|
/*
|
|
* Reset an option
|
|
*/
|
|
if (flags & VN_RESET) {
|
|
l = resetopt;
|
|
if (global)
|
|
rv = ioctl(fileno(f), VNIOCGCLEAR, &l);
|
|
else
|
|
rv = ioctl(fileno(f), VNIOCUCLEAR, &l);
|
|
if (rv) {
|
|
perror("VNIO[GU]CLEAR");
|
|
} else if (verbose)
|
|
printf("%s: flags now=%08x\n",dev,l);
|
|
}
|
|
|
|
/*
|
|
* Enable special functions on the device
|
|
*/
|
|
if (flags & VN_ENABLE) {
|
|
if (flags & VN_SWAP) {
|
|
rv = swapon(dev);
|
|
if (rv)
|
|
perror("swapon");
|
|
else if (verbose)
|
|
printf("%s: swapping enabled\n", dev);
|
|
}
|
|
if (flags & (VN_MOUNTRO|VN_MOUNTRW)) {
|
|
struct ufs_args args;
|
|
int mflags;
|
|
|
|
args.fspec = dev;
|
|
mflags = (flags & VN_MOUNTRO) ? MNT_RDONLY : 0;
|
|
rv = mount("ufs", oarg, mflags, &args);
|
|
if (rv)
|
|
perror("mount");
|
|
else if (verbose)
|
|
printf("%s: mounted on %s\n", dev, oarg);
|
|
}
|
|
}
|
|
done:
|
|
fclose(f);
|
|
fflush(stdout);
|
|
return(rv < 0);
|
|
}
|
|
|
|
#define EOL(c) ((c) == '\0' || (c) == '\n')
|
|
#define WHITE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
|
|
|
|
readconfig(flags)
|
|
int flags;
|
|
{
|
|
char buf[LINESIZE];
|
|
FILE *f;
|
|
register char *cp, *sp;
|
|
register int ix;
|
|
|
|
f = fopen(configfile, "r");
|
|
if (f == NULL) {
|
|
perror(configfile);
|
|
exit(1);
|
|
}
|
|
ix = 0;
|
|
while (fgets(buf, LINESIZE, f) != NULL) {
|
|
cp = buf;
|
|
if (*cp == '#')
|
|
continue;
|
|
while (!EOL(*cp) && WHITE(*cp))
|
|
cp++;
|
|
if (EOL(*cp))
|
|
continue;
|
|
sp = cp;
|
|
while (!EOL(*cp) && !WHITE(*cp))
|
|
cp++;
|
|
if (EOL(*cp))
|
|
continue;
|
|
*cp++ = '\0';
|
|
vndisks[ix].dev = malloc(cp - sp);
|
|
strcpy(vndisks[ix].dev, sp);
|
|
while (!EOL(*cp) && WHITE(*cp))
|
|
cp++;
|
|
if (EOL(*cp))
|
|
continue;
|
|
sp = cp;
|
|
while (!EOL(*cp) && !WHITE(*cp))
|
|
cp++;
|
|
*cp++ = '\0';
|
|
vndisks[ix].file = malloc(cp - sp);
|
|
strcpy(vndisks[ix].file, sp);
|
|
while (!EOL(*cp) && WHITE(*cp))
|
|
cp++;
|
|
vndisks[ix].flags = flags;
|
|
if (!EOL(*cp)) {
|
|
sp = cp;
|
|
while (!EOL(*cp) && !WHITE(*cp))
|
|
cp++;
|
|
*cp++ = '\0';
|
|
getoptions(&vndisks[ix], sp);
|
|
}
|
|
nvndisks++;
|
|
ix++;
|
|
}
|
|
}
|
|
|
|
getoptions(vnp, fstr)
|
|
struct vndisk *vnp;
|
|
char *fstr;
|
|
{
|
|
int flags = 0;
|
|
char *oarg = NULL;
|
|
|
|
if (strcmp(fstr, "swap") == 0)
|
|
flags |= VN_SWAP;
|
|
else if (strncmp(fstr, "mount=", 6) == 0) {
|
|
flags |= VN_MOUNTRW;
|
|
oarg = &fstr[6];
|
|
} else if (strncmp(fstr, "mountrw=", 8) == 0) {
|
|
flags |= VN_MOUNTRW;
|
|
oarg = &fstr[8];
|
|
} else if (strncmp(fstr, "mountro=", 8) == 0) {
|
|
flags |= VN_MOUNTRO;
|
|
oarg = &fstr[8];
|
|
} else if (strcmp(fstr, "ignore") == 0)
|
|
flags |= VN_IGNORE;
|
|
vnp->flags |= flags;
|
|
if (oarg) {
|
|
vnp->oarg = malloc(strlen(oarg) + 1);
|
|
strcpy(vnp->oarg, oarg);
|
|
} else
|
|
vnp->oarg = NULL;
|
|
}
|
|
|
|
char *
|
|
rawdevice(dev)
|
|
char *dev;
|
|
{
|
|
register char *rawbuf, *dp, *ep;
|
|
struct stat sb;
|
|
int len;
|
|
|
|
len = strlen(dev);
|
|
rawbuf = malloc(len + 2);
|
|
strcpy(rawbuf, dev);
|
|
if (stat(rawbuf, &sb) != 0 || !S_ISCHR(sb.st_mode)) {
|
|
dp = rindex(rawbuf, '/');
|
|
if (dp) {
|
|
for (ep = &rawbuf[len]; ep > dp; --ep)
|
|
*(ep+1) = *ep;
|
|
*++ep = 'r';
|
|
}
|
|
}
|
|
return (rawbuf);
|
|
}
|
|
|
|
usage()
|
|
{
|
|
fprintf(stderr, "usage: %s [-acdefguv] [-s option] [-r option] [special-device file]\n",
|
|
pname);
|
|
fprintf(stderr, "\toptions: labels, follow, debug, io, all, none\n");
|
|
exit(1);
|
|
}
|