154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
/*
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mount_aix.c 8.1 (Berkeley) 6/6/93
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*
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* $Id: mount_aix.c,v 5.2.2.1 1992/02/09 15:10:08 jsp beta $
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*
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*/
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/*
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* AIX 3 Mount helper
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*/
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#include "misc-aix3.h"
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static int aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args)
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char *p;
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int gfstype;
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int flags;
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char *object;
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char *stub;
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char *host;
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char *info;
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int info_size;
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char *args;
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{
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struct vmount *vp = (struct vmount *) p;
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bzero((voidp) vp, sizeof(*vp));
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/*
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* Fill in standard fields
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*/
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vp->vmt_revision = VMT_REVISION;
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vp->vmt_flags = flags;
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vp->vmt_gfstype = gfstype;
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#define VMT_ROUNDUP(len) (4 * ((len + 3) / 4))
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#define VMT_ASSIGN(vp, idx, data, size) \
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vp->vmt_data[idx].vmt_off = p - (char *) vp; \
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vp->vmt_data[idx].vmt_size = size; \
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bcopy(data, p, size); \
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p += VMT_ROUNDUP(size);
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/*
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* Fill in all variable length data
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*/
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p += sizeof(*vp);
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VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1);
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VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1);
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VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1);
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VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1);
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VMT_ASSIGN(vp, VMT_INFO, info, info_size);
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VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1);
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#undef VMT_ASSIGN
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#undef VMT_ROUNDUP
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/*
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* Return length
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*/
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return vp->vmt_length = p - (char *) vp;
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}
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/*
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* Map from conventional mount arguments
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* to AIX 3-style arguments.
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*/
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aix3_mount(fsname, dir, flags, type, data, args)
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char *fsname;
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char *dir;
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int flags;
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int type;
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void *data;
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char *args;
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{
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char buf[4096];
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int size;
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#ifdef DEBUG
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dlog("aix3_mount: fsname %s, dir %s, type %d", fsname, dir, type);
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#endif /* DEBUG */
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/* aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) */
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switch (type) {
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case MOUNT_TYPE_NFS: {
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char *host = strdup(fsname);
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char *rfs = strchr(host, ':');
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int free_rfs = 0;
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if (rfs) {
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*rfs++ = '\0';
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} else {
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rfs = host;
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free_rfs = 1;
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host = strdup(hostname);
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}
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size = aix3_mkvp(buf, type, flags, rfs, dir, host, data, sizeof(struct nfs_args), args);
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if (free_rfs)
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free((voidp) rfs);
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free(host);
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} break;
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case MOUNT_TYPE_UFS:
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/* Need to open block device and extract log device info from sblk. */
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return EINVAL;
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default:
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return EINVAL;
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}
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#ifdef DEBUG
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/*dlog("aix3_mkvp: flags %#x, size %d, args %s", flags, size, args);*/
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#endif /* DEBUG */
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return vmount(buf, size);
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}
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