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/*
* 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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <errno.h>
#include <sys/types.h>
#include <rpc/types.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <sys/syscall.h>
#include <netinet/in.h>
#define GETFSIND 1 /* translate fs id to ftype index */
#define CLIENT 1 /* #defined in <pn.h> */
#define MS_RFFLAGS (MS_CACHE)
/*
* Flags bits passed to mount(2), from the SVR4 sys/mount.h header file.
*/
#define MS_RDONLY 0x01 /* read only bit */
#define MS_DATA 0x04 /* 6-argument mount */
#define MS_NOSUID 0x10 /* Setuid programs disallowed */
#define MS_REMOUNT 0x20 /* Remount */
#define MS_NOTRUNC 0x40 /* Return ENAMETOOLONG for long filenames */
/*
* structs netbuf, knetconfig, and nfsarg from SVR4
*/
struct netbuf {
unsigned int maxlen;
unsigned int len;
char *buf;
};
struct knetconfig {
unsigned long knc_semantics; /* token name */
char *knc_protofmly; /* protocol family */
char *knc_proto; /* protocol */
dev_t knc_rdev; /* device id */
unsigned long knc_unused[8];
};
struct nfsarg {
struct netbuf *addr; /* file server address */
/* secure NFS time sync address */
struct netbuf *syncaddr;
/* transport knetconfig struct */
struct knetconfig *knconf;
char *hostname; /* server's hostname */
char *netname; /* server's netname */
caddr_t fh; /* File handle to be mounted */
int flags; /* flags */
int wsize; /* write size in bytes */
int rsize; /* read size in bytes */
int timeo; /* initial timeout in .1 secs */
int retrans; /* times to retry send */
int acregmin; /* attr cache file min secs */
int acregmax; /* attr cache file max secs */
int acdirmin; /* attr cache dir min secs */
int acdirmax; /* attr cache dir max secs */
};
int
mount(char *type, char *dir, int flags, caddr_t data)
{
int idx, nflags = 0;
int returnValue;
char fstr[32];
struct nfsarg narg;
struct nfsarg *na = &narg;
struct nfs_args *nfsa;
if (strcmp(type, "4.2") == 0)
strcpy(fstr, "ufs");
else if (strcmp(type, "lo") == 0)
strcpy(fstr, "lo");
else if (strcmp(type, "nfs") == 0)
strcpy(fstr, "nfs");
if ((idx = sysfs(GETFSIND, fstr)) == -1)
return (-1);
nflags = MS_NOTRUNC;
switch (flags) {
case M_RDONLY: nflags |= MS_RDONLY;
case M_NOSUID: nflags |= MS_NOSUID;
case M_REMOUNT: nflags |= MS_REMOUNT;
}
if (strcmp(type, "4.2") == 0)
return (_syscall(SYS_mount, data, dir, nflags, idx, 0, 0));
else if (strcmp(type, "lo") == 0)
return (_syscall(SYS_mount, data, dir, nflags, idx, 0, 0));
else if (strcmp(type, "nfs") == 0) {
nflags |= MS_DATA;
nfsa = (struct nfs_args *)data;
if ((na->addr =
(struct netbuf *)malloc(sizeof (struct netbuf))) == NULL)
return (-1);
if ((na->syncaddr =
(struct netbuf *)malloc(sizeof (struct netbuf))) == NULL) {
free(na->addr);
return (-1);
}
if ((na->knconf =
(struct knetconfig *)malloc(sizeof (struct knetconfig))) == NULL) {
free(na->addr);
free(na->syncaddr);
return (-1);
}
na->addr->maxlen = sizeof (struct sockaddr_in);
na->addr->len = na->addr->maxlen;
na->addr->buf = (char *)nfsa->addr;
na->syncaddr->maxlen = na->addr->maxlen;
na->syncaddr->len = na->syncaddr->maxlen;
na->syncaddr->buf = (char *)nfsa->addr;
strcpy(na->hostname, nfsa->hostname);
strcpy(na->netname, nfsa->netname);
na->fh = nfsa->fh;
na->flags = nfsa->flags;
na->wsize = nfsa->wsize;
na->rsize = nfsa->rsize;
na->timeo = nfsa->timeo;
na->retrans = nfsa->retrans;
na->acregmin = nfsa->acregmin;
na->acregmax = nfsa->acregmax;
na->acdirmin = nfsa->acdirmin;
na->acdirmax = nfsa->acdirmax;
returnValue = (_syscall(SYS_mount, data, dir, nflags, idx, na,
sizeof (struct nfsarg)));
free(na->addr);
free(na->syncaddr);
free(na->knconf);
return (returnValue);
}
return (-1);
}
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