wr_bparam.c revision 119679
1/* 2 * Copyright (c) 1997-2003 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. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgment: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * %W% (Berkeley) %G% 40 * 41 * $Id: wr_bparam.c,v 1.3.2.3 2002/12/27 22:45:07 ezk Exp $ 42 * 43 */ 44 45#ifdef HAVE_CONFIG_H 46# include <config.h> 47#endif /* HAVE_CONFIG_H */ 48#include <am_defs.h> 49#include <fsi_data.h> 50#include <fsinfo.h> 51 52 53/* 54 * Write a host/path in NFS format 55 */ 56static int 57write_nfsname(FILE *ef, fsmount *fp, char *hn) 58{ 59 int errors = 0; 60 char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname); 61 62 domain_strip(h, hn); 63 fprintf(ef, "%s:%s", h, fp->f_volname); 64 XFREE(h); 65 return errors; 66} 67 68 69/* 70 * Write a bootparams entry for a host 71 */ 72static int 73write_boot_info(FILE *ef, host *hp) 74{ 75 int errors = 0; 76 77 fprintf(ef, "%s\troot=", hp->h_hostname); 78 errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname); 79 fputs(" swap=", ef); 80 errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname); 81 fputs("\n", ef); 82 83 return 0; 84} 85 86 87/* 88 * Output a bootparams file 89 */ 90int 91write_bootparams(qelem *q) 92{ 93 int errors = 0; 94 95 if (bootparams_pref) { 96 FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams"); 97 if (ef) { 98 host *hp; 99 ITER(hp, host, q) 100 if (hp->h_netroot && hp->h_netswap) 101 errors += write_boot_info(ef, hp); 102 errors += pref_close(ef); 103 } else { 104 errors++; 105 } 106 } 107 108 return errors; 109} 110