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/* $Id$
*
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* 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.
*
* %W% (Berkeley) %G%
*
*/
/*
* AIX 3 Mount helper
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/vmount.h>
#include <sys/errno.h>
#include <fcntl.h>
#include "misc-aix3.h"
#include "os-aix3.h"
typedef void * voidp;
#undef DEBUG
char hostname[MAXHOSTNAMELEN] = "localhost"; /* Hostname */
static int aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args)
char *p;
int gfstype;
int flags;
char *object;
char *stub;
char *host;
char *info;
int info_size;
char *args;
{
struct vmount *vp = (struct vmount *) p;
bzero((voidp) vp, sizeof(*vp));
/*
* Fill in standard fields
*/
vp->vmt_revision = VMT_REVISION;
vp->vmt_flags = flags;
vp->vmt_gfstype = gfstype;
#define VMT_ROUNDUP(len) (4 * ((len + 3) / 4))
#define VMT_ASSIGN(vp, idx, data, size) \
vp->vmt_data[idx].vmt_off = p - (char *) vp; \
vp->vmt_data[idx].vmt_size = size; \
bcopy(data, p, size); \
p += VMT_ROUNDUP(size);
/*
* Fill in all variable length data
*/
p += sizeof(*vp);
VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1);
VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1);
VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1);
VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1);
VMT_ASSIGN(vp, VMT_INFO, info, info_size);
VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1);
#undef VMT_ASSIGN
#undef VMT_ROUNDUP
/*
* Return length
*/
return vp->vmt_length = p - (char *) vp;
}
/*
* Map from conventional mount arguments
* to AIX 3-style arguments.
*/
aix3_mount(fsname, dir, flags, type, data, args)
char *fsname;
char *dir;
int flags;
int type;
void *data;
char *args;
{
char buf[4096];
int size;
for (size = 0; size < 4096; size++) buf[size] = 0;
#ifdef DEBUG
printf("aix3_mount: fsname %s, dir %s, type %d\n", fsname, dir, type);
#endif
/* aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) */
switch (type) {
case MOUNT_TYPE_NFS: {
char *host = strdup(fsname);
char *rfs = strchr(host, ':');
int free_rfs = 0;
if (rfs) {
*rfs++ = '\0';
} else {
rfs = host;
free_rfs = 1;
host = strdup(hostname);
}
size = aix3_mkvp(buf, type, flags, rfs, dir, host, data, sizeof(struct nfs_args), args);
if (free_rfs)
free((voidp) rfs);
free(host);
} break;
case MOUNT_TYPE_UFS:
/* Need to open block device and extract log device info from sblk. */
errno = EINVAL;
return -1;
default:
errno = EINVAL;
return -1;
}
#ifdef DEBUG
printf("aix3_mkvp: flags %#x, size %d, args %s\n", flags, size, args);
printf("revision %d\n", ((struct vmount *)buf)->vmt_revision);
#endif
return vmount(buf, size);
}
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