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0fac350c54
Just like it was done for accept(2) in cfb1e92912, use same approach
for two simplier syscalls that return socket addresses. Although,
these two syscalls aren't performance critical, this change generalizes
some code between 3 syscalls trimming code size.
Following example of accept(2), provide VNET-aware and INVARIANT-checking
wrappers sopeeraddr() and sosockaddr() around protosw methods.
Reviewed by: tuexen
Differential Revision: https://reviews.freebsd.org/D42694
109 lines
5.0 KiB
C
109 lines
5.0 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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#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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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_in6 *, struct ucred *);
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int in6_pcbconnect(struct inpcb *, struct sockaddr_in6 *, struct ucred *,
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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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const struct in6_addr *faddr, u_int fport_arg,
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const struct in6_addr *laddr, u_int lport_arg,
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int lookupflags, uint8_t);
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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_in6 *, u_int,
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const struct sockaddr_in6 *, 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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int in6_getpeeraddr(struct socket *, struct sockaddr *);
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int in6_getsockaddr(struct socket *, struct sockaddr *);
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int in6_mapped_sockaddr(struct socket *, struct sockaddr *);
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int in6_mapped_peeraddr(struct socket *, struct sockaddr *);
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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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