2510235150
Previously, tcp_connect() would bind a local port before connecting, forcing the local port to be unique across all outgoing TCP connections for the address family. Instead, choose a local port after selecting the destination and the local address, requiring only that the tuple is unique and does not match a wildcard binding. Reviewed by: tuexen (rscheff, rrs previous version) MFC after: 1 month Sponsored by: Forcepoint LLC Differential Revision: https://reviews.freebsd.org/D24781
126 lines
5.6 KiB
C
126 lines
5.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (C) 1995, 1996, 1997, and 1998 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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* $KAME: in6_pcb.h,v 1.13 2001/02/06 09:16:53 itojun Exp $
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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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* $FreeBSD$
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*/
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#ifndef _NETINET6_IN6_PCB_H_
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#define _NETINET6_IN6_PCB_H_
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#ifdef _KERNEL
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#define satosin6(sa) ((struct sockaddr_in6 *)(sa))
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#define sin6tosa(sin6) ((struct sockaddr *)(sin6))
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#define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa))
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struct inpcbgroup *
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in6_pcbgroup_byhash(struct inpcbinfo *, u_int, uint32_t);
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struct inpcbgroup *
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in6_pcbgroup_byinpcb(struct inpcb *);
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struct inpcbgroup *
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in6_pcbgroup_bymbuf(struct inpcbinfo *, struct mbuf *);
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struct inpcbgroup *
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in6_pcbgroup_bytuple(struct inpcbinfo *, const struct in6_addr *,
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u_short, const struct in6_addr *, u_short);
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void in6_pcbpurgeif0(struct inpcbinfo *, struct ifnet *);
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void in6_losing(struct inpcb *);
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int in6_pcbbind(struct inpcb *, struct sockaddr *, struct ucred *);
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int in6_pcbconnect(struct inpcb *, struct sockaddr *, struct ucred *);
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int in6_pcbconnect_mbuf(struct inpcb *, struct sockaddr *,
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struct ucred *, struct mbuf *, bool);
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void in6_pcbdisconnect(struct inpcb *);
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struct inpcb *
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in6_pcblookup_local(struct inpcbinfo *,
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struct in6_addr *, u_short, int,
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struct ucred *);
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struct inpcb *
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in6_pcblookup_hash_locked(struct inpcbinfo *pcbinfo,
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struct in6_addr *faddr, u_int fport_arg, struct in6_addr *laddr,
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u_int lport_arg, int lookupflags, struct ifnet *ifp);
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struct inpcb *
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in6_pcblookup(struct inpcbinfo *, struct in6_addr *,
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u_int, struct in6_addr *, u_int, int,
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struct ifnet *);
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struct inpcb *
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in6_pcblookup_mbuf(struct inpcbinfo *, struct in6_addr *,
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u_int, struct in6_addr *, u_int, int,
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struct ifnet *ifp, struct mbuf *);
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void in6_pcbnotify(struct inpcbinfo *, struct sockaddr *,
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u_int, const struct sockaddr *, u_int, int, void *,
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struct inpcb *(*)(struct inpcb *, int));
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struct inpcb *
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in6_rtchange(struct inpcb *, int);
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struct sockaddr *
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in6_sockaddr(in_port_t port, struct in6_addr *addr_p);
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struct sockaddr *
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in6_v4mapsin6_sockaddr(in_port_t port, struct in_addr *addr_p);
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int in6_getpeeraddr(struct socket *so, struct sockaddr **nam);
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int in6_getsockaddr(struct socket *so, struct sockaddr **nam);
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int in6_mapped_sockaddr(struct socket *so, struct sockaddr **nam);
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int in6_mapped_peeraddr(struct socket *so, struct sockaddr **nam);
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int in6_selecthlim(struct inpcb *, struct ifnet *);
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int in6_pcbsetport(struct in6_addr *, struct inpcb *, struct ucred *);
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void init_sin6(struct sockaddr_in6 *sin6, struct mbuf *m, int);
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#endif /* _KERNEL */
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#endif /* !_NETINET6_IN6_PCB_H_ */
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