Pull up following revision(s) (requested by hikaru in ticket #656):
sys/kern/subr_tftproot.c: revision 1.14 sys/nfs/krpc_subr.c: revision 1.39 sys/nfs/nfs_boot.c: revision 1.82 sys/nfs/nfs_bootdhcp.c: revision 1.53 sys/nfs/nfsdiskless.h: revision 1.31 m_pullup() is called in rcvproc callback functions, so nfs_boot_sendrecv() should keep track of the head of mbuf chain. fixes kern/48746
This commit is contained in:
parent
99ce9afee1
commit
e392c11ebb
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@ -1,4 +1,4 @@
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/* $NetBSD: subr_tftproot.c,v 1.12.12.1 2014/08/30 14:09:53 martin Exp $ */
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/* $NetBSD: subr_tftproot.c,v 1.12.12.2 2015/04/06 01:37:29 snj Exp $ */
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/*-
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* Copyright (c) 2007 Emmanuel Dreyfus, all rights reserved.
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@ -39,7 +39,7 @@
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#include "opt_md.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: subr_tftproot.c,v 1.12.12.1 2014/08/30 14:09:53 martin Exp $");
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__KERNEL_RCSID(0, "$NetBSD: subr_tftproot.c,v 1.12.12.2 2015/04/06 01:37:29 snj Exp $");
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#include <sys/param.h>
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#include <sys/types.h>
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@ -118,7 +118,7 @@ struct tftproot_handle {
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int tftproot_dhcpboot(device_t);
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static int tftproot_getfile(struct tftproot_handle *, struct lwp *);
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static int tftproot_recv(struct mbuf *, void *);
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static int tftproot_recv(struct mbuf **, void *);
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int
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tftproot_dhcpboot(device_t bootdv)
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@ -350,10 +350,11 @@ out:
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}
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static int
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tftproot_recv(struct mbuf *m, void *ctx)
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tftproot_recv(struct mbuf **mp, void *ctx)
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{
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struct tftproot_handle *trh = ctx;
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struct tftphdr *tftp;
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struct mbuf *m = *mp;
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size_t newlen;
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size_t hdrlen = sizeof(*tftp) - sizeof(tftp->th_data);
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@ -380,7 +381,7 @@ tftproot_recv(struct mbuf *m, void *ctx)
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* Examine the TFTP header
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*/
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if (m->m_len > sizeof(*tftp)) {
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if ((m = m_pullup(m, sizeof(*tftp))) == NULL) {
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if ((m = *mp = m_pullup(m, sizeof(*tftp))) == NULL) {
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DPRINTF(("%s():%d m_pullup failed\n",
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__func__, __LINE__));
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return -1;
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@ -1,4 +1,4 @@
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/* $NetBSD: krpc_subr.c,v 1.37 2009/03/15 17:20:09 cegger Exp $ */
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/* $NetBSD: krpc_subr.c,v 1.37.38.1 2015/04/06 01:37:29 snj Exp $ */
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/*
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* Copyright (c) 1995 Gordon Ross, Adam Glass
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@ -43,7 +43,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: krpc_subr.c,v 1.37 2009/03/15 17:20:09 cegger Exp $");
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__KERNEL_RCSID(0, "$NetBSD: krpc_subr.c,v 1.37.38.1 2015/04/06 01:37:29 snj Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -124,7 +124,7 @@ struct rpc_reply {
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#define MIN_REPLY_HDR 16 /* xid, dir, astat, errno */
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static int krpccheck(struct mbuf*, void*);
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static int krpccheck(struct mbuf**, void*);
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/*
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* Call portmap to lookup a port number for a particular rpc program
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@ -183,15 +183,16 @@ krpc_portmap(struct sockaddr_in *sin, u_int prog, u_int vers, u_int proto, u_int
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return 0;
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}
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static int krpccheck(struct mbuf *m, void *context)
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static int krpccheck(struct mbuf **mp, void *context)
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{
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struct rpc_reply *reply;
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struct mbuf *m = *mp;
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/* Does the reply contain at least a header? */
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if (m->m_pkthdr.len < MIN_REPLY_HDR)
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return(-1);
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if (m->m_len < sizeof(struct rpc_reply)) {
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m = m_pullup(m, sizeof(struct rpc_reply));
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m = *mp = m_pullup(m, sizeof(struct rpc_reply));
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if (m == NULL)
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return(-1);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: nfs_boot.c,v 1.81 2013/10/25 20:46:29 martin Exp $ */
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/* $NetBSD: nfs_boot.c,v 1.81.4.1 2015/04/06 01:37:29 snj Exp $ */
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/*-
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* Copyright (c) 1995, 1997 The NetBSD Foundation, Inc.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: nfs_boot.c,v 1.81 2013/10/25 20:46:29 martin Exp $");
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__KERNEL_RCSID(0, "$NetBSD: nfs_boot.c,v 1.81.4.1 2015/04/06 01:37:29 snj Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_nfs.h"
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nfs_boot_sendrecv(struct socket *so, struct mbuf *nam,
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int (*sndproc)(struct mbuf *, void *, int),
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struct mbuf *snd,
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int (*rcvproc)(struct mbuf *, void *),
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int (*rcvproc)(struct mbuf **, void *),
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struct mbuf **rcv, struct mbuf **from_p,
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void *context, struct lwp *lwp)
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{
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panic("nfs_boot_sendrecv: return size");
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#endif
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if ((*rcvproc)(m, context))
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if ((*rcvproc)(&m, context))
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continue;
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if (rcv)
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/* $NetBSD: nfs_bootdhcp.c,v 1.52 2010/10/04 23:48:22 cyber Exp $ */
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/* $NetBSD: nfs_bootdhcp.c,v 1.52.34.1 2015/04/06 01:37:29 snj Exp $ */
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/*-
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* Copyright (c) 1995, 1997 The NetBSD Foundation, Inc.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: nfs_bootdhcp.c,v 1.52 2010/10/04 23:48:22 cyber Exp $");
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__KERNEL_RCSID(0, "$NetBSD: nfs_bootdhcp.c,v 1.52.34.1 2015/04/06 01:37:29 snj Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_nfs_boot.h"
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@ -302,7 +302,7 @@ struct bootpcontext {
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};
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static int bootpset (struct mbuf*, void*, int);
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static int bootpcheck (struct mbuf*, void*);
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static int bootpcheck (struct mbuf**, void*);
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static int
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bootpset(struct mbuf *m, void *context, int waited)
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}
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static int
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bootpcheck(struct mbuf *m, void *context)
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bootpcheck(struct mbuf **mp, void *context)
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{
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struct bootp *bootp;
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struct bootpcontext *bpc = context;
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struct mbuf *m = *mp;
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u_int tag, len;
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u_char *p, *limit;
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* don't make first checks more expensive than necessary
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*/
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if (m->m_len < offsetof(struct bootp, bp_sname)) {
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m = m_pullup(m, offsetof(struct bootp, bp_sname));
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m = *mp = m_pullup(m, offsetof(struct bootp, bp_sname));
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if (m == NULL) {
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DPRINTF(("bootpcheck: m_pullup failed\n"));
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return (-1);
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/* $NetBSD: nfsdiskless.h,v 1.30 2010/10/04 23:48:23 cyber Exp $ */
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/* $NetBSD: nfsdiskless.h,v 1.30.34.1 2015/04/06 01:37:29 snj Exp $ */
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/*-
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* Copyright (c) 1995, 1997 The NetBSD Foundation, Inc.
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int nfs_boot_sobind_ipport (struct socket *, uint16_t, struct lwp *);
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int nfs_boot_sendrecv (struct socket *, struct mbuf *,
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int (*)(struct mbuf*, void*, int), struct mbuf*,
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int (*)(struct mbuf*, void*), struct mbuf**,
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int (*)(struct mbuf**, void*), struct mbuf**,
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struct mbuf**, void*, struct lwp *);
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int nfs_bootdhcp (struct nfs_diskless *, struct lwp *, int *);
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