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