xref: /netbsd-src/external/bsd/am-utils/dist/fsinfo/wr_bparam.c (revision 413d532bcc3f62d122e56d92e13ac64825a40baf)
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  */
57 static int
58 write_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  */
73 static int
74 write_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  */
91 int
92 write_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