1/*
2 * Copyright (c) 1997-2014 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *
36 * File: am-utils/fsinfo/wr_bparam.c
37 *
38 */
39
40#ifdef HAVE_CONFIG_H
41# include <config.h>
42#endif /* HAVE_CONFIG_H */
43#include <am_defs.h>
44#include <fsi_data.h>
45#include <fsinfo.h>
46
47
48/*
49 * Write a host/path in NFS format
50 */
51static int
52write_nfsname(FILE *ef, fsmount *fp, char *hn)
53{
54  int errors = 0;
55  char *h = xstrdup(fp->f_ref->m_dk->d_host->h_hostname);
56
57 domain_strip(h, hn);
58  fprintf(ef, "%s:%s", h, fp->f_volname);
59  XFREE(h);
60  return errors;
61}
62
63
64/*
65 * Write a bootparams entry for a host
66 */
67static int
68write_boot_info(FILE *ef, host *hp)
69{
70  int errors = 0;
71
72  fprintf(ef, "%s\troot=", hp->h_hostname);
73  errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
74  fputs(" swap=", ef);
75  errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
76  fputs("\n", ef);
77
78  return 0;
79}
80
81
82/*
83 * Output a bootparams file
84 */
85int
86write_bootparams(qelem *q)
87{
88  int errors = 0;
89
90  if (bootparams_pref) {
91    FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
92    if (ef) {
93      host *hp;
94      ITER(hp, host, q)
95      if (hp->h_netroot && hp->h_netswap)
96	  errors += write_boot_info(ef, hp);
97      errors += pref_close(ef);
98    } else {
99      errors++;
100    }
101  }
102
103  return errors;
104}
105