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1de7b4b805
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2009 Hiroki Sato. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_gif.h>
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#include <net/route.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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#include <errno.h>
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#include "ifconfig.h"
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#define GIFBITS "\020\2IGNORE_SOURCE"
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static void gif_status(int);
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static void
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gif_status(int s)
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{
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int opts;
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ifr.ifr_data = (caddr_t)&opts;
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if (ioctl(s, GIFGOPTS, &ifr) == -1)
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return;
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if (opts == 0)
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return;
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printb("\toptions", opts, GIFBITS);
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putchar('\n');
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}
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static void
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setgifopts(const char *val, int d, int s, const struct afswtch *afp)
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{
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int opts;
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ifr.ifr_data = (caddr_t)&opts;
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if (ioctl(s, GIFGOPTS, &ifr) == -1) {
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warn("ioctl(GIFGOPTS)");
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return;
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}
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if (d < 0)
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opts &= ~(-d);
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else
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opts |= d;
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if (ioctl(s, GIFSOPTS, &ifr) == -1) {
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warn("ioctl(GIFSOPTS)");
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return;
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}
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}
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static struct cmd gif_cmds[] = {
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DEF_CMD("ignore_source", GIF_IGNORE_SOURCE, setgifopts),
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DEF_CMD("-ignore_source", -GIF_IGNORE_SOURCE, setgifopts),
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};
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static struct afswtch af_gif = {
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.af_name = "af_gif",
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.af_af = AF_UNSPEC,
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.af_other_status = gif_status,
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};
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static __constructor void
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gif_ctor(void)
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{
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size_t i;
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for (i = 0; i < nitems(gif_cmds); i++)
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cmd_register(&gif_cmds[i]);
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af_register(&af_gif);
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}
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