1/*	$NetBSD: wr_bparam.c,v 1.1.1.3 2015/01/17 16:34:17 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/fsinfo/wr_bparam.c
39 *
40 */
41
42#ifdef HAVE_CONFIG_H
43# include <config.h>
44#endif /* HAVE_CONFIG_H */
45#include <am_defs.h>
46#include <fsi_data.h>
47#include <fsinfo.h>
48
49
50/*
51 * Write a host/path in NFS format
52 */
53static int
54write_nfsname(FILE *ef, fsmount *fp, char *hn)
55{
56  int errors = 0;
57  char *h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
58
59 domain_strip(h, hn);
60  fprintf(ef, "%s:%s", h, fp->f_volname);
61  XFREE(h);
62  return errors;
63}
64
65
66/*
67 * Write a bootparams entry for a host
68 */
69static int
70write_boot_info(FILE *ef, host *hp)
71{
72  int errors = 0;
73
74  fprintf(ef, "%s\troot=", hp->h_hostname);
75  errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
76  fputs(" swap=", ef);
77  errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
78  fputs("\n", ef);
79
80  return 0;
81}
82
83
84/*
85 * Output a bootparams file
86 */
87int
88write_bootparams(qelem *q)
89{
90  int errors = 0;
91
92  if (bootparams_pref) {
93    FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
94    if (ef) {
95      host *hp;
96      ITER(hp, host, q)
97      if (hp->h_netroot && hp->h_netswap)
98	  errors += write_boot_info(ef, hp);
99      errors += pref_close(ef);
100    } else {
101      errors++;
102    }
103  }
104
105  return errors;
106}
107