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62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2003 Sam Leffler, Errno Consulting
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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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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef _NETINET_IP_DIVERT_H_
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#define _NETINET_IP_DIVERT_H_
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#include <sys/types.h>
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/*
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* All communication occurs through a sockaddr_in socket where
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*
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* kernel-->userland
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* sin_port = matching rule, host format;
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* sin_addr = IN: first address of the incoming interface;
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* OUT: INADDR_ANY
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* sin_zero = if fits, the interface name (max 7 bytes + NUL)
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*
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* userland->kernel
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* sin_port = restart-rule - 1, host order
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* (we restart at sin_port + 1)
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* sin_addr = IN: address of the incoming interface;
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* OUT: INADDR_ANY
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*/
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struct divstat {
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uint64_t div_diverted; /* successfully diverted to userland */
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uint64_t div_noport; /* failed due to no bound socket */
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uint64_t div_outbound; /* re-injected as outbound */
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uint64_t div_inbound; /* re-injected as inbound */
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};
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#endif /* _NETINET_IP_DIVERT_H_ */
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