OpenSolaris_b135/cmd/fs.d/volcopy.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <limits.h>
#include <errno.h>
#include <stdarg.h>
#include <sys/vfstab.h>
#include <locale.h>
static int perr(const char *fmt, ...);
#define ARGV_MAX 1024
#define FSTYPE_MAX 8
#define VFS_PATH "/usr/lib/fs"
#define EQ(X, Y, Z) !strncmp(X, Y, Z)
#define NEWARG()\
(nargv[nargc++] = &argv[1][0],\
nargc == ARGV_MAX ? perr("volcopy: too many arguments.\n") : 1)
extern char *default_fstype();
char *nargv[ARGV_MAX];
int nargc = 2;
char vfstab[] = VFSTAB;
static void doexec(char *fstype, char *nargv[]);
int
main(int argc, char **argv)
{
char cc;
int ii, Vflg = 0, Fflg = 0;
char *fstype = NULL;
FILE *fd;
struct vfstab vget, vref;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) textdomain(TEXT_DOMAIN);
while (argc > 1 && argv[1][0] == '-') {
if (EQ(argv[1], "-a", 2)) {
NEWARG();
} else if (EQ(argv[1], "-e", 2)) {
NEWARG();
} else if (EQ(argv[1], "-s", 2)) {
NEWARG();
} else if (EQ(argv[1], "-y", 2)) {
NEWARG();
} else if (EQ(argv[1], "-buf", 4)) {
NEWARG();
} else if (EQ(argv[1], "-bpi", 4)) {
NEWARG();
if ((cc = argv[1][4]) < '0' || cc > '9') {
++argv;
--argc;
NEWARG();
}
} else if (EQ(argv[1], "-feet", 5)) {
NEWARG();
if ((cc = argv[1][5]) < '0' || cc > '9') {
++argv;
--argc;
NEWARG();
}
} else if (EQ(argv[1], "-reel", 5)) {
NEWARG();
if ((cc = argv[1][5]) < '0' || cc > '9') {
++argv;
--argc;
NEWARG();
}
} else if (EQ(argv[1], "-r", 2)) { /* 3b15 only */
NEWARG();
if ((cc = argv[1][2]) < '0' || cc > '9') {
++argv;
--argc;
NEWARG();
}
} else if (EQ(argv[1], "-block", 6)) { /* 3b15 only */
NEWARG();
if ((cc = argv[1][6]) < '0' || cc > '9') {
++argv;
--argc;
NEWARG();
}
} else if (EQ(argv[1], "-V", 2)) {
Vflg++;
} else if (EQ(argv[1], "-F", 2)) {
if (Fflg)
perr("volcopy: More than one"
"FSType specified.\n"
"Usage:\nvolcopy [-F FSType] [-V]"
" [current_options] [-o "
"specific_options] operands\n");
Fflg++;
if (argv[1][2] == '\0') {
++argv;
--argc;
if (argc == 1)
perr("Usage:\nvolcopy [-F FSType] [-V]"
" [current_options] [-o "
"specific_options] operands\n");
fstype = &argv[1][0];
} else
fstype = &argv[1][2];
if (strlen(fstype) > FSTYPE_MAX)
perr("volcopy: FSType %s exceeds %d"
" characters\n", fstype, FSTYPE_MAX);
} else if (EQ(argv[1], "-o", 2)) {
NEWARG();
if (argv[1][2] == '\0') {
++argv;
--argc;
NEWARG();
}
if (Fflg && strlen(fstype) > FSTYPE_MAX)
perr("volcopy: FSType %s exceeds %d "
"characters.\nUsage:\nvolcopy "
"[-F FSType] [-V] [current_options] "
"[-o specific_options] "
"operands\n", fstype, FSTYPE_MAX);
} else if (EQ(argv[1], "-nosh", 5)) { /* 3b15 only */
NEWARG();
} else if (EQ(argv[1], "-?", 2)) {
if (Fflg) {
nargv[2] = "-?";
doexec(fstype, nargv);
} else {
perr("Usage:\nvolcopy [-F FSType] [-V] "
"[current_options] [-o "
"specific_options] operands\n");
}
} else
perr("<%s> invalid option\nUsage:\n"
"volcopy [-F FSType] [-V] "
"[current_options] [-o "
"specific_options] operands\n", argv[1]);
++argv;
--argc;
} /* argv[1][0] == '-' */
if (argc != 6) /* if mandatory fields not present */
perr("Usage:\nvolcopy [-F FSType] [-V] "
"[current_options] [-o "
"specific_options] operands\n");
if (nargc + 5 >= ARGV_MAX)
perr("volcopy: too many arguments.\n");
for (ii = 0; ii < 5; ii++)
nargv[nargc++] = argv[ii+1];
if (fstype == NULL) {
if ((fd = fopen(vfstab, "r")) == NULL)
perr("volcopy: cannot open %s.\n", vfstab);
vfsnull(&vref);
vref.vfs_special = argv[2];
ii = getvfsany(fd, &vget, &vref);
if (ii == -1) {
rewind(fd);
vfsnull(&vref);
vref.vfs_fsckdev = argv[2];
ii = getvfsany(fd, &vget, &vref);
}
fclose(fd);
switch (ii) {
case -1:
fstype = default_fstype(argv[2]);
break;
case 0:
fstype = vget.vfs_fstype;
break;
case VFS_TOOLONG:
perr("volcopy: line in vfstab exceeds "
"%d characters\n", VFS_LINE_MAX-2);
break;
case VFS_TOOFEW:
perr("volcopy: line in vfstab has too few entries\n");
break;
case VFS_TOOMANY:
perr("volcopy: line in vfstab has too many entries\n");
break;
default:
break;
}
}
if (Vflg) {
printf("volcopy -F %s", fstype);
for (ii = 2; nargv[ii]; ii++)
printf(" %s", nargv[ii]);
printf("\n");
exit(0);
}
doexec(fstype, nargv);
return (0);
}
static void
doexec(char *fstype, char *nargv[])
{
char full_path[PATH_MAX];
char *vfs_path = VFS_PATH;
/* build the full pathname of the fstype dependent command. */
sprintf(full_path, "%s/%s/volcopy", vfs_path, fstype);
/* set the new argv[0] to the filename */
nargv[1] = "volcopy";
/* Try to exec the fstype dependent portion of the mount. */
execv(full_path, &nargv[1]);
if (errno == EACCES) {
perr("volcopy: cannot execute %s"
" - permission denied\n", full_path);
exit(1);
}
if (errno == ENOEXEC) {
nargv[0] = "sh";
nargv[1] = full_path;
execv("/sbin/sh", &nargv[0]);
}
perr("volcopy: Operation not applicable for FSType %s\n", fstype);
exit(1);
}
/*
* perr: Print error messages.
*/
static int
perr(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
(void) vfprintf(stderr, gettext(fmt), ap);
va_end(ap);
exit(1);
return (0);
}