a057769205
The intent is to provide more entropy than can be provided by just the 32-bits of the IPv6 address which overlaps with 6to4 tunnels. This is needed to mitigate potential algorithmic complexity attacks from attackers who can control large numbers of IPv6 addresses. Together with: gallatin Reviewed by: dwmalone, rscheff Differential revision: https://reviews.freebsd.org/D33254
66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California.
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* Copyright (c) 2010-2011 Juniper Networks, Inc.
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* All rights reserved.
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*
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* Portions of this software were developed by Robert N. M. Watson under
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* contract to Juniper Networks, Inc.
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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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD$
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*/
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#ifndef _NETINET_IN_PCB_VAR_H_
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#define _NETINET_IN_PCB_VAR_H_
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/*
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* Definitions shared between netinet/in_pcb.c and netinet6/in6_pcb.c
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*/
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VNET_DECLARE(uint32_t, in_pcbhashseed);
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#define V_in_pcbhashseed VNET(in_pcbhashseed)
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bool inp_smr_lock(struct inpcb *, const inp_lookup_t);
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int in_pcb_lport(struct inpcb *, struct in_addr *, u_short *,
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struct ucred *, int);
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int in_pcb_lport_dest(struct inpcb *inp, struct sockaddr *lsa,
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u_short *lportp, struct sockaddr *fsa, u_short fport,
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struct ucred *cred, int lookupflags);
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struct inpcb * in_pcblookup_local(struct inpcbinfo *, struct in_addr, u_short,
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int, struct ucred *);
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struct inpcbport {
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struct inpcbhead phd_pcblist;
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CK_LIST_ENTRY(inpcbport) phd_hash;
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u_short phd_port;
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};
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#endif /* !_NETINET_IN_PCB_VAR_H_ */
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