1 /* $NetBSD: nfs_bootstatic.c,v 1.8 2009/10/23 02:32:34 snj Exp $ */ 2 3 /* 4 * 5 * Copyright (c) 2004 Christian Limpach. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: nfs_bootstatic.c,v 1.8 2009/10/23 02:32:34 snj Exp $"); 32 33 #ifdef _KERNEL_OPT 34 #include "opt_nfs_boot.h" 35 #endif 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/ioctl.h> 41 #include <sys/proc.h> 42 #include <sys/mount.h> 43 #include <sys/mbuf.h> 44 #include <sys/socket.h> 45 #include <sys/socketvar.h> 46 47 #include <net/if.h> 48 #include <net/if_types.h> 49 #include <net/if_media.h> 50 #include <net/route.h> 51 #include <net/if_ether.h> 52 53 #include <netinet/in.h> 54 #include <netinet/if_inarp.h> 55 56 #include <nfs/rpcv2.h> 57 58 #include <nfs/nfsproto.h> 59 #include <nfs/nfs.h> 60 #include <nfs/nfsmount.h> 61 #include <nfs/nfsdiskless.h> 62 63 int (*nfs_bootstatic_callback)(struct nfs_diskless *) = NULL; 64 65 int 66 nfs_bootstatic(struct nfs_diskless *nd, struct lwp *lwp, int *_flags) 67 { 68 struct ifnet *ifp = nd->nd_ifp; 69 struct sockaddr_in *sin; 70 int error, flags; 71 72 if (nfs_bootstatic_callback) 73 flags = (*nfs_bootstatic_callback)(nd); 74 else 75 flags = 0; 76 77 if (flags & NFS_BOOT_NOSTATIC) 78 return EOPNOTSUPP; 79 80 if (flags == 0) { 81 #ifdef NFS_BOOTSTATIC_MYIP 82 if (!(*_flags & NFS_BOOT_HAS_MYIP)) { 83 nd->nd_myip.s_addr = inet_addr(NFS_BOOTSTATIC_MYIP); 84 flags |= NFS_BOOT_HAS_MYIP; 85 } 86 #endif 87 #ifdef NFS_BOOTSTATIC_GWIP 88 if (!(*_flags & NFS_BOOT_HAS_GWIP)) { 89 nd->nd_gwip.s_addr = inet_addr(NFS_BOOTSTATIC_GWIP); 90 flags |= NFS_BOOT_HAS_GWIP; 91 } 92 #endif 93 #ifdef NFS_BOOTSTATIC_MASK 94 if (!(*_flags & NFS_BOOT_HAS_MASK)) { 95 nd->nd_mask.s_addr = inet_addr(NFS_BOOTSTATIC_MASK); 96 flags |= NFS_BOOT_HAS_MASK; 97 } 98 #endif 99 #ifdef NFS_BOOTSTATIC_SERVADDR 100 if (!(*_flags & NFS_BOOT_HAS_SERVADDR)) { 101 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 102 memset((void *)sin, 0, sizeof(*sin)); 103 sin->sin_len = sizeof(*sin); 104 sin->sin_family = AF_INET; 105 sin->sin_addr.s_addr = inet_addr(NFS_BOOTSTATIC_SERVADDR); 106 flags |= NFS_BOOT_HAS_SERVADDR; 107 } 108 #endif 109 #ifdef NFS_BOOTSTATIC_SERVER 110 if (!(*_flags & NFS_BOOT_HAS_SERVER)) { 111 strncpy(nd->nd_root.ndm_host, NFS_BOOTSTATIC_SERVER, 112 MNAMELEN); 113 flags |= NFS_BOOT_HAS_SERVER; 114 if (strchr(nd->nd_root.ndm_host, ':') != NULL) 115 flags |= NFS_BOOT_HAS_ROOTPATH; 116 } 117 #endif 118 } 119 120 *_flags |= flags; 121 122 if (!(*_flags & NFS_BOOT_HAS_SERVADDR) && (*_flags & NFS_BOOT_HAS_SERVER)) { 123 char rootserver[MNAMELEN]; 124 char *sep; 125 126 sep = strchr(nd->nd_root.ndm_host, ':'); 127 strlcpy(rootserver, nd->nd_root.ndm_host, 128 sep - nd->nd_root.ndm_host+1); 129 130 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 131 memset((void *)sin, 0, sizeof(*sin)); 132 sin->sin_len = sizeof(*sin); 133 sin->sin_family = AF_INET; 134 sin->sin_addr.s_addr = inet_addr(rootserver); 135 flags |= NFS_BOOT_HAS_SERVADDR; 136 *_flags |= NFS_BOOT_HAS_SERVADDR; 137 } 138 139 if (flags & NFS_BOOT_HAS_MYIP) 140 aprint_normal("nfs_boot: client_addr=%s\n", 141 inet_ntoa(nd->nd_myip)); 142 143 if (flags & NFS_BOOT_HAS_GWIP) 144 aprint_normal("nfs_boot: gateway=%s\n", 145 inet_ntoa(nd->nd_gwip)); 146 147 if (flags & NFS_BOOT_HAS_MASK) 148 aprint_normal("nfs_boot: netmask=%s\n", 149 inet_ntoa(nd->nd_mask)); 150 151 if (flags & NFS_BOOT_HAS_SERVADDR) { 152 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 153 aprint_normal("nfs_boot: server=%s\n", 154 inet_ntoa(sin->sin_addr)); 155 } 156 157 if (flags & NFS_BOOT_HAS_SERVER) 158 aprint_normal("nfs_boot: root=%.*s\n", MNAMELEN, 159 nd->nd_root.ndm_host); 160 161 /* 162 * Do enough of ifconfig(8) so that the chosen interface 163 * can talk to the servers. 164 */ 165 error = nfs_boot_setaddress(ifp, lwp, 166 *_flags & NFS_BOOT_HAS_MYIP ? nd->nd_myip.s_addr : INADDR_ANY, 167 *_flags & NFS_BOOT_HAS_MASK ? nd->nd_mask.s_addr : INADDR_ANY, 168 INADDR_ANY); 169 if (error) { 170 aprint_error("nfs_boot: set ifaddr, error=%d\n", error); 171 goto out; 172 } 173 174 if ((*_flags & NFS_BOOT_ALLINFO) != NFS_BOOT_ALLINFO) 175 return EADDRNOTAVAIL; 176 177 error = 0; 178 179 out: 180 181 return error; 182 } 183
Indexes created Sun Sep 21 15:09:59 GMT 2025