a92a400fbf
nfs_bootstatic() to abort with EOPNOTSUPP. This allows a callback to say that there is no bootstatic config, and the next NFS boot method should be tried.
152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/* $NetBSD: nfs_bootstatic.c,v 1.5 2007/07/08 21:08:09 bouyer Exp $ */
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/*
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*
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* Copyright (c) 2004 Christian Limpach.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian Limpach.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: nfs_bootstatic.c,v 1.5 2007/07/08 21:08:09 bouyer Exp $");
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#include "opt_nfs_boot.h"
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#include "opt_inet.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/ioctl.h>
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#include <sys/proc.h>
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#include <sys/mount.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_media.h>
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#include <net/route.h>
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#include <net/if_ether.h>
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsproto.h>
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#include <nfs/nfs.h>
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#include <nfs/nfsmount.h>
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#include <nfs/nfsdiskless.h>
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int (*nfs_bootstatic_callback)(struct nfs_diskless *) = NULL;
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int
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nfs_bootstatic(struct nfs_diskless *nd, struct lwp *lwp)
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{
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struct ifnet *ifp = nd->nd_ifp;
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struct sockaddr_in *sin;
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int error, flags;
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if (nfs_bootstatic_callback)
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flags = (*nfs_bootstatic_callback)(nd);
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else
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flags = 0;
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if (flags & NFS_BOOTSTATIC_NOSTATIC)
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return EOPNOTSUPP;
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if (flags == 0) {
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#ifdef NFS_BOOTSTATIC_MYIP
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nd->nd_myip.s_addr = inet_addr(NFS_BOOTSTATIC_MYIP);
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flags |= NFS_BOOTSTATIC_HAS_MYIP;
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#endif
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#ifdef NFS_BOOTSTATIC_GWIP
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nd->nd_gwip.s_addr = inet_addr(NFS_BOOTSTATIC_GWIP);
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flags |= NFS_BOOTSTATIC_HAS_GWIP;
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#endif
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#ifdef NFS_BOOTSTATIC_MASK
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nd->nd_mask.s_addr = inet_addr(NFS_BOOTSTATIC_MASK);
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flags |= NFS_BOOTSTATIC_HAS_MASK;
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#endif
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#ifdef NFS_BOOTSTATIC_SERVADDR
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sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr;
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memset((void *)sin, 0, sizeof(*sin));
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sin->sin_len = sizeof(*sin);
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sin->sin_family = AF_INET;
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sin->sin_addr.s_addr = inet_addr(NFS_BOOTSTATIC_SERVADDR);
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flags |= NFS_BOOTSTATIC_HAS_SERVADDR;
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#endif
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#ifdef NFS_BOOTSTATIC_SERVER
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strncpy(nd->nd_root.ndm_host, NFS_BOOTSTATIC_SERVER, MNAMELEN);
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flags |= NFS_BOOTSTATIC_HAS_SERVER;
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#endif
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}
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if (flags & NFS_BOOTSTATIC_HAS_MYIP)
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aprint_normal("nfs_boot: client_addr=%s\n",
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inet_ntoa(nd->nd_myip));
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if (flags & NFS_BOOTSTATIC_HAS_GWIP)
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aprint_normal("nfs_boot: gateway=%s\n",
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inet_ntoa(nd->nd_gwip));
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if (flags & NFS_BOOTSTATIC_HAS_MASK)
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aprint_normal("nfs_boot: netmask=%s\n",
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inet_ntoa(nd->nd_mask));
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if (flags & NFS_BOOTSTATIC_HAS_SERVADDR) {
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sin = (struct sockaddr_in *) &nd->nd_root.ndm_saddr;
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aprint_normal("nfs_boot: server=%s\n",
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inet_ntoa(sin->sin_addr));
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}
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if (flags & NFS_BOOTSTATIC_HAS_SERVER)
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aprint_normal("nfs_boot: root=%.*s\n", MNAMELEN,
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nd->nd_root.ndm_host);
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/*
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* Do enough of ifconfig(8) so that the chosen interface
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* can talk to the servers.
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*/
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error = nfs_boot_setaddress(ifp, lwp,
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flags & NFS_BOOTSTATIC_HAS_MYIP ? nd->nd_myip.s_addr : INADDR_ANY,
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flags & NFS_BOOTSTATIC_HAS_MASK ? nd->nd_mask.s_addr : INADDR_ANY,
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INADDR_ANY);
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if (error) {
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aprint_error("nfs_boot: set ifaddr, error=%d\n", error);
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goto out;
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}
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error = 0;
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out:
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return error;
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}
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