1/*	$NetBSD: wr_bparam.c,v 1.1.1.2 2009/03/20 20:26:55 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997-2009 Erez Zadok
5 * Copyright (c) 1989 Jan-Simon Pendry
6 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
7 * Copyright (c) 1989 The Regents of the University of California.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Jan-Simon Pendry at Imperial College, London.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 *    must display the following acknowledgment:
23 *      This product includes software developed by the University of
24 *      California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 *    may be used to endorse or promote products derived from this software
27 *    without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 *
42 * File: am-utils/fsinfo/wr_bparam.c
43 *
44 */
45
46#ifdef HAVE_CONFIG_H
47# include <config.h>
48#endif /* HAVE_CONFIG_H */
49#include <am_defs.h>
50#include <fsi_data.h>
51#include <fsinfo.h>
52
53
54/*
55 * Write a host/path in NFS format
56 */
57static int
58write_nfsname(FILE *ef, fsmount *fp, char *hn)
59{
60  int errors = 0;
61  char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
62
63 domain_strip(h, hn);
64  fprintf(ef, "%s:%s", h, fp->f_volname);
65  XFREE(h);
66  return errors;
67}
68
69
70/*
71 * Write a bootparams entry for a host
72 */
73static int
74write_boot_info(FILE *ef, host *hp)
75{
76  int errors = 0;
77
78  fprintf(ef, "%s\troot=", hp->h_hostname);
79  errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
80  fputs(" swap=", ef);
81  errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
82  fputs("\n", ef);
83
84  return 0;
85}
86
87
88/*
89 * Output a bootparams file
90 */
91int
92write_bootparams(qelem *q)
93{
94  int errors = 0;
95
96  if (bootparams_pref) {
97    FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
98    if (ef) {
99      host *hp;
100      ITER(hp, host, q)
101      if (hp->h_netroot && hp->h_netswap)
102	  errors += write_boot_info(ef, hp);
103      errors += pref_close(ef);
104    } else {
105      errors++;
106    }
107  }
108
109  return errors;
110}
111