nfs_bootstatic.c revision 1.5.42.1
1 /* $NetBSD: nfs_bootstatic.c,v 1.5.42.1 2009/01/19 13:20:20 skrll 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Christian Limpach. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: nfs_bootstatic.c,v 1.5.42.1 2009/01/19 13:20:20 skrll Exp $"); 37 38 #ifdef _KERNEL_OPT 39 #include "opt_nfs_boot.h" 40 #endif 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/ioctl.h> 46 #include <sys/proc.h> 47 #include <sys/mount.h> 48 #include <sys/mbuf.h> 49 #include <sys/socket.h> 50 #include <sys/socketvar.h> 51 52 #include <net/if.h> 53 #include <net/if_types.h> 54 #include <net/if_media.h> 55 #include <net/route.h> 56 #include <net/if_ether.h> 57 58 #include <netinet/in.h> 59 #include <netinet/if_inarp.h> 60 61 #include <nfs/rpcv2.h> 62 63 #include <nfs/nfsproto.h> 64 #include <nfs/nfs.h> 65 #include <nfs/nfsmount.h> 66 #include <nfs/nfsdiskless.h> 67 68 int (*nfs_bootstatic_callback)(struct nfs_diskless *) = NULL; 69 70 int 71 nfs_bootstatic(struct nfs_diskless *nd, struct lwp *lwp, int *_flags) 72 { 73 struct ifnet *ifp = nd->nd_ifp; 74 struct sockaddr_in *sin; 75 int error, flags; 76 77 if (nfs_bootstatic_callback) 78 flags = (*nfs_bootstatic_callback)(nd); 79 else 80 flags = 0; 81 82 if (flags & NFS_BOOT_NOSTATIC) 83 return EOPNOTSUPP; 84 85 if (flags == 0) { 86 #ifdef NFS_BOOTSTATIC_MYIP 87 if (!(*_flags & NFS_BOOT_HAS_MYIP)) { 88 nd->nd_myip.s_addr = inet_addr(NFS_BOOTSTATIC_MYIP); 89 flags |= NFS_BOOT_HAS_MYIP; 90 } 91 #endif 92 #ifdef NFS_BOOTSTATIC_GWIP 93 if (!(*_flags & NFS_BOOT_HAS_GWIP)) { 94 nd->nd_gwip.s_addr = inet_addr(NFS_BOOTSTATIC_GWIP); 95 flags |= NFS_BOOT_HAS_GWIP; 96 } 97 #endif 98 #ifdef NFS_BOOTSTATIC_MASK 99 if (!(*_flags & NFS_BOOT_HAS_MASK)) { 100 nd->nd_mask.s_addr = inet_addr(NFS_BOOTSTATIC_MASK); 101 flags |= NFS_BOOT_HAS_MASK; 102 } 103 #endif 104 #ifdef NFS_BOOTSTATIC_SERVADDR 105 if (!(*_flags & NFS_BOOT_HAS_SERVADDR)) { 106 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 107 memset((void *)sin, 0, sizeof(*sin)); 108 sin->sin_len = sizeof(*sin); 109 sin->sin_family = AF_INET; 110 sin->sin_addr.s_addr = inet_addr(NFS_BOOTSTATIC_SERVADDR); 111 flags |= NFS_BOOT_HAS_SERVADDR; 112 } 113 #endif 114 #ifdef NFS_BOOTSTATIC_SERVER 115 if (!(*_flags & NFS_BOOT_HAS_SERVER)) { 116 strncpy(nd->nd_root.ndm_host, NFS_BOOTSTATIC_SERVER, 117 MNAMELEN); 118 flags |= NFS_BOOT_HAS_SERVER; 119 if (strchr(nd->nd_root.ndm_host, ':') != NULL) 120 flags |= NFS_BOOT_HAS_ROOTPATH; 121 } 122 #endif 123 } 124 125 *_flags |= flags; 126 127 if (!(*_flags & NFS_BOOT_HAS_SERVADDR) && (*_flags & NFS_BOOT_HAS_SERVER)) { 128 char rootserver[MNAMELEN]; 129 char *sep; 130 131 sep = strchr(nd->nd_root.ndm_host, ':'); 132 strlcpy(rootserver, nd->nd_root.ndm_host, 133 sep - nd->nd_root.ndm_host+1); 134 135 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 136 memset((void *)sin, 0, sizeof(*sin)); 137 sin->sin_len = sizeof(*sin); 138 sin->sin_family = AF_INET; 139 sin->sin_addr.s_addr = inet_addr(rootserver); 140 flags |= NFS_BOOT_HAS_SERVADDR; 141 *_flags |= NFS_BOOT_HAS_SERVADDR; 142 } 143 144 if (flags & NFS_BOOT_HAS_MYIP) 145 aprint_normal("nfs_boot: client_addr=%s\n", 146 inet_ntoa(nd->nd_myip)); 147 148 if (flags & NFS_BOOT_HAS_GWIP) 149 aprint_normal("nfs_boot: gateway=%s\n", 150 inet_ntoa(nd->nd_gwip)); 151 152 if (flags & NFS_BOOT_HAS_MASK) 153 aprint_normal("nfs_boot: netmask=%s\n", 154 inet_ntoa(nd->nd_mask)); 155 156 if (flags & NFS_BOOT_HAS_SERVADDR) { 157 sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr; 158 aprint_normal("nfs_boot: server=%s\n", 159 inet_ntoa(sin->sin_addr)); 160 } 161 162 if (flags & NFS_BOOT_HAS_SERVER) 163 aprint_normal("nfs_boot: root=%.*s\n", MNAMELEN, 164 nd->nd_root.ndm_host); 165 166 /* 167 * Do enough of ifconfig(8) so that the chosen interface 168 * can talk to the servers. 169 */ 170 error = nfs_boot_setaddress(ifp, lwp, 171 *_flags & NFS_BOOT_HAS_MYIP ? nd->nd_myip.s_addr : INADDR_ANY, 172 *_flags & NFS_BOOT_HAS_MASK ? nd->nd_mask.s_addr : INADDR_ANY, 173 INADDR_ANY); 174 if (error) { 175 aprint_error("nfs_boot: set ifaddr, error=%d\n", error); 176 goto out; 177 } 178 179 if ((*_flags & NFS_BOOT_ALLINFO) != NFS_BOOT_ALLINFO) 180 return EADDRNOTAVAIL; 181 182 error = 0; 183 184 out: 185 186 return error; 187 } 188
Indexes created Tue Sep 30 11:09:46 GMT 2025