146 lines
5.4 KiB
C
146 lines
5.4 KiB
C
/* $NetBSD: in_pcb_hdr.h,v 1.15 2020/08/28 07:01:57 riastradh Exp $ */
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/*
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* Copyright (C) 2003 WIDE Project.
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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. Neither the name of the project 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 PROJECT 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 PROJECT 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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/*
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* Copyright (c) 1982, 1986, 1990, 1993
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* The Regents of the University of California. 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. 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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*/
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#ifndef _NETINET_IN_PCB_HDR_H_
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#define _NETINET_IN_PCB_HDR_H_
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <netinet/in.h>
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struct inpcbpolicy;
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struct inpcbtable;
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struct mbuf;
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struct sockaddr;
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struct socket;
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/*
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* align it with inpcb and in6pcb!
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*/
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struct inpcb_hdr {
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LIST_ENTRY(inpcb_hdr) inph_hash;
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LIST_ENTRY(inpcb_hdr) inph_lhash;
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TAILQ_ENTRY(inpcb_hdr) inph_queue;
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int inph_af; /* address family - AF_INET */
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void * inph_ppcb; /* pointer to per-protocol pcb */
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int inph_state; /* bind/connect state */
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int inph_portalgo;
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struct socket *inph_socket; /* back pointer to socket */
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struct inpcbtable *inph_table;
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struct inpcbpolicy *inph_sp; /* security policy */
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};
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#define sotoinpcb_hdr(so) ((struct inpcb_hdr *)(so)->so_pcb)
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#define inph_locked(inph) (solocked((inph)->inph_socket))
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LIST_HEAD(inpcbhead, inpcb_hdr);
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struct vestigial_inpcb;
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struct in6_addr;
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/* Hooks for vestigial pcb entries.
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* If vestigial entries exist for a table (TCP only)
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* the vestigial pointer is set.
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*/
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typedef struct vestigial_hooks {
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/* IPv4 hooks */
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void *(*init_ports4)(struct in_addr, u_int, int);
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int (*next_port4)(void *, struct vestigial_inpcb *);
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int (*lookup4)(struct in_addr, uint16_t,
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struct in_addr, uint16_t,
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struct vestigial_inpcb *);
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/* IPv6 hooks */
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void *(*init_ports6)(const struct in6_addr*, u_int, int);
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int (*next_port6)(void *, struct vestigial_inpcb *);
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int (*lookup6)(const struct in6_addr *, uint16_t,
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const struct in6_addr *, uint16_t,
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struct vestigial_inpcb *);
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} vestigial_hooks_t;
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TAILQ_HEAD(inpcbqueue, inpcb_hdr);
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struct inpcbtable {
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struct inpcbqueue inpt_queue;
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struct inpcbhead *inpt_porthashtbl;
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struct inpcbhead *inpt_bindhashtbl;
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struct inpcbhead *inpt_connecthashtbl;
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u_long inpt_porthash;
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u_long inpt_bindhash;
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u_long inpt_connecthash;
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u_int16_t inpt_lastport;
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u_int16_t inpt_lastlow;
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vestigial_hooks_t *vestige;
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};
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#define inpt_lasthi inpt_lastport
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/* states in inp_state: */
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#define INP_ATTACHED 0
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#define INP_BOUND 1
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#define INP_CONNECTED 2
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typedef int (*pcb_overudp_cb_t)(struct mbuf **, int, struct socket *,
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struct sockaddr *, void *);
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#endif /* !_NETINET_IN_PCB_HDR_H_ */
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