1319 lines
33 KiB
C
1319 lines
33 KiB
C
/* $NetBSD: ifconfig.c,v 1.213 2008/08/01 22:29:13 dyoung Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* 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 IN
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* 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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1983, 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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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
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The Regents of the University of California. All rights reserved.");
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__RCSID("$NetBSD: ifconfig.c,v 1.213 2008/08/01 22:29:13 dyoung Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_ether.h>
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#include <netinet/in.h> /* XXX */
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#include <netinet/in_var.h> /* XXX */
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#include <netdb.h>
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#include <sys/protosw.h>
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#include <assert.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <ifaddrs.h>
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#include <util.h>
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#include "extern.h"
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#include "media.h"
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#include "parse.h"
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#include "env.h"
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static bool bflag, dflag, hflag, sflag, uflag;
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bool lflag, vflag, zflag;
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static char gflags[10 + 26 * 2 + 1] = "AabCdhlsuvz";
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bool gflagset[10 + 26 * 2];
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static int carrier(prop_dictionary_t);
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static int clone_command(prop_dictionary_t, prop_dictionary_t);
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static void do_setifpreference(prop_dictionary_t);
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static int flag_index(int);
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static void init_afs(void);
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static int list_cloners(prop_dictionary_t, prop_dictionary_t);
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static int media_status_exec(prop_dictionary_t, prop_dictionary_t);
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static int no_cmds_exec(prop_dictionary_t, prop_dictionary_t);
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static int notrailers(prop_dictionary_t, prop_dictionary_t);
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static void printall(const char *, prop_dictionary_t);
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static int setifaddr(prop_dictionary_t, prop_dictionary_t);
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static int setifbroadaddr(prop_dictionary_t, prop_dictionary_t);
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static int setifcaps(prop_dictionary_t, prop_dictionary_t);
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static int setifdstormask(prop_dictionary_t, prop_dictionary_t);
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static int setifflags(prop_dictionary_t, prop_dictionary_t);
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static int setifmetric(prop_dictionary_t, prop_dictionary_t);
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static int setifmtu(prop_dictionary_t, prop_dictionary_t);
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static int setifnetmask(prop_dictionary_t, prop_dictionary_t);
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static int setifprefixlen(prop_dictionary_t, prop_dictionary_t);
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static void status(const struct sockaddr_dl *, prop_dictionary_t,
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prop_dictionary_t);
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static void usage(void);
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static const struct kwinst ifflagskw[] = {
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IFKW("arp", IFF_NOARP)
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, IFKW("debug", IFF_DEBUG)
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, IFKW("link0", IFF_LINK0)
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, IFKW("link1", IFF_LINK1)
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, IFKW("link2", IFF_LINK2)
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, {.k_word = "down", .k_type = KW_T_INT, .k_int = -IFF_UP}
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, {.k_word = "up", .k_type = KW_T_INT, .k_int = IFF_UP}
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};
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static const struct kwinst ifcapskw[] = {
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IFKW("ip4csum-tx", IFCAP_CSUM_IPv4_Tx)
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, IFKW("ip4csum-rx", IFCAP_CSUM_IPv4_Rx)
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, IFKW("tcp4csum-tx", IFCAP_CSUM_TCPv4_Tx)
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, IFKW("tcp4csum-rx", IFCAP_CSUM_TCPv4_Rx)
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, IFKW("udp4csum-tx", IFCAP_CSUM_UDPv4_Tx)
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, IFKW("udp4csum-rx", IFCAP_CSUM_UDPv4_Rx)
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, IFKW("tcp6csum-tx", IFCAP_CSUM_TCPv6_Tx)
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, IFKW("tcp6csum-rx", IFCAP_CSUM_TCPv6_Rx)
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, IFKW("udp6csum-tx", IFCAP_CSUM_UDPv6_Tx)
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, IFKW("udp6csum-rx", IFCAP_CSUM_UDPv6_Rx)
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, IFKW("ip4csum", IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx)
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, IFKW("tcp4csum", IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx)
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, IFKW("udp4csum", IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx)
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, IFKW("tcp6csum", IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx)
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, IFKW("udp6csum", IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx)
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, IFKW("tso4", IFCAP_TSOv4)
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, IFKW("tso6", IFCAP_TSOv6)
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};
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extern struct pbranch command_root;
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extern struct pbranch opt_command;
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extern struct pbranch opt_family, opt_silent_family;
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extern struct pkw cloning, silent_family, family, ifcaps, ifflags, misc;
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struct pinteger parse_metric = PINTEGER_INITIALIZER(&parse_metric, "metric", 10,
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setifmetric, "metric", &command_root.pb_parser);
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struct pinteger parse_mtu = PINTEGER_INITIALIZER(&parse_mtu, "mtu", 10,
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setifmtu, "mtu", &command_root.pb_parser);
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struct pinteger parse_prefixlen = PINTEGER_INITIALIZER(&parse_prefixlen,
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"prefixlen", 10, setifprefixlen, "prefixlen", &command_root.pb_parser);
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struct pinteger parse_preference = PINTEGER_INITIALIZER1(&parse_preference,
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"preference", INT16_MIN, INT16_MAX, 10, NULL, "preference",
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&command_root.pb_parser);
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struct paddr parse_netmask = PADDR_INITIALIZER(&parse_netmask, "netmask",
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setifnetmask, "dstormask", NULL, NULL, NULL, &command_root.pb_parser);
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struct paddr parse_broadcast = PADDR_INITIALIZER(&parse_broadcast,
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"broadcast address",
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setifbroadaddr, "broadcast", NULL, NULL, NULL, &command_root.pb_parser);
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static const struct kwinst misckw[] = {
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{.k_word = "alias", .k_key = "alias", .k_deact = "alias",
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.k_type = KW_T_BOOL, .k_neg = true,
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.k_bool = true, .k_negbool = false,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "broadcast", .k_nextparser = &parse_broadcast.pa_parser}
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, {.k_word = "delete", .k_key = "alias", .k_deact = "alias",
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.k_type = KW_T_BOOL, .k_bool = false,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "metric", .k_nextparser = &parse_metric.pi_parser}
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, {.k_word = "mtu", .k_nextparser = &parse_mtu.pi_parser}
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, {.k_word = "netmask", .k_nextparser = &parse_netmask.pa_parser}
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, {.k_word = "preference", .k_act = "address",
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.k_nextparser = &parse_preference.pi_parser}
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, {.k_word = "prefixlen", .k_nextparser = &parse_prefixlen.pi_parser}
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, {.k_word = "trailers", .k_neg = true,
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.k_exec = notrailers, .k_nextparser = &command_root.pb_parser}
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};
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/* key: clonecmd */
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static const struct kwinst clonekw[] = {
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{.k_word = "create", .k_type = KW_T_INT, .k_int = SIOCIFCREATE,
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.k_nextparser = &opt_silent_family.pb_parser},
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{.k_word = "destroy", .k_type = KW_T_INT, .k_int = SIOCIFDESTROY}
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};
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static struct kwinst familykw[24];
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struct pterm cloneterm = PTERM_INITIALIZER(&cloneterm, "list cloners",
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list_cloners, "none");
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struct pterm no_cmds = PTERM_INITIALIZER(&no_cmds, "no commands", no_cmds_exec,
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"none");
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struct pkw family_only =
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PKW_INITIALIZER(&family_only, "family-only", NULL, "af", familykw,
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__arraycount(familykw), &no_cmds.pt_parser);
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struct paddr address = PADDR_INITIALIZER(&address,
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"local address (address 1)",
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setifaddr, "address", "netmask", NULL, "address", &command_root.pb_parser);
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struct paddr dstormask = PADDR_INITIALIZER(&dstormask,
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"destination/netmask (address 2)",
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setifdstormask, "dstormask", NULL, "address", "dstormask",
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&command_root.pb_parser);
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struct paddr broadcast = PADDR_INITIALIZER(&broadcast,
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"broadcast address (address 3)",
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setifbroadaddr, "broadcast", NULL, "dstormask", "broadcast",
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&command_root.pb_parser);
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static SIMPLEQ_HEAD(, afswtch) aflist = SIMPLEQ_HEAD_INITIALIZER(aflist);
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static SIMPLEQ_HEAD(, usage_func) usage_funcs =
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SIMPLEQ_HEAD_INITIALIZER(usage_funcs);
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static SIMPLEQ_HEAD(, status_func) status_funcs =
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SIMPLEQ_HEAD_INITIALIZER(status_funcs);
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static SIMPLEQ_HEAD(, statistics_func) statistics_funcs =
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SIMPLEQ_HEAD_INITIALIZER(statistics_funcs);
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static SIMPLEQ_HEAD(, cmdloop_branch) cmdloop_branches =
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SIMPLEQ_HEAD_INITIALIZER(cmdloop_branches);
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struct branch opt_clone_brs[] = {
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{.b_nextparser = &cloning.pk_parser}
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, {.b_nextparser = &opt_family.pb_parser}
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}, opt_silent_family_brs[] = {
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{.b_nextparser = &silent_family.pk_parser}
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, {.b_nextparser = &command_root.pb_parser}
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}, opt_family_brs[] = {
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{.b_nextparser = &family.pk_parser}
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, {.b_nextparser = &opt_command.pb_parser}
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}, command_root_brs[] = {
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{.b_nextparser = &ifflags.pk_parser}
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, {.b_nextparser = &ifcaps.pk_parser}
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, {.b_nextparser = &kwmedia.pk_parser}
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, {.b_nextparser = &misc.pk_parser}
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, {.b_nextparser = &address.pa_parser}
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, {.b_nextparser = &dstormask.pa_parser}
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, {.b_nextparser = &broadcast.pa_parser}
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, {.b_nextparser = NULL}
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}, opt_command_brs[] = {
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{.b_nextparser = &no_cmds.pt_parser}
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, {.b_nextparser = &command_root.pb_parser}
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};
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struct branch opt_family_only_brs[] = {
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{.b_nextparser = &no_cmds.pt_parser}
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, {.b_nextparser = &family_only.pk_parser}
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};
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struct pbranch opt_family_only = PBRANCH_INITIALIZER(&opt_family_only,
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"opt-family-only", opt_family_only_brs,
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__arraycount(opt_family_only_brs), true);
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struct pbranch opt_command = PBRANCH_INITIALIZER(&opt_command,
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"optional command",
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opt_command_brs, __arraycount(opt_command_brs), true);
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struct pbranch command_root = PBRANCH_INITIALIZER(&command_root,
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"command-root", command_root_brs, __arraycount(command_root_brs), true);
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struct piface iface_opt_family_only =
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PIFACE_INITIALIZER(&iface_opt_family_only, "iface-opt-family-only",
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NULL, "if", &opt_family_only.pb_parser);
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struct pkw family = PKW_INITIALIZER(&family, "family", NULL, "af",
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familykw, __arraycount(familykw), &opt_command.pb_parser);
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struct pkw silent_family = PKW_INITIALIZER(&silent_family, "silent family",
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NULL, "af", familykw, __arraycount(familykw), &command_root.pb_parser);
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struct pkw *family_users[] = {&family_only, &family, &silent_family};
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struct pkw ifcaps = PKW_INITIALIZER(&ifcaps, "ifcaps", setifcaps,
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"ifcap", ifcapskw, __arraycount(ifcapskw), &command_root.pb_parser);
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struct pkw ifflags = PKW_INITIALIZER(&ifflags, "ifflags", setifflags,
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"ifflag", ifflagskw, __arraycount(ifflagskw), &command_root.pb_parser);
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struct pkw cloning = PKW_INITIALIZER(&cloning, "cloning", clone_command,
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"clonecmd", clonekw, __arraycount(clonekw), NULL);
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struct pkw misc = PKW_INITIALIZER(&misc, "misc", NULL, NULL,
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misckw, __arraycount(misckw), NULL);
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struct pbranch opt_clone = PBRANCH_INITIALIZER(&opt_clone,
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"opt-clone", opt_clone_brs, __arraycount(opt_clone_brs), true);
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struct pbranch opt_silent_family = PBRANCH_INITIALIZER(&opt_silent_family,
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"optional silent family", opt_silent_family_brs,
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__arraycount(opt_silent_family_brs), true);
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struct pbranch opt_family = PBRANCH_INITIALIZER(&opt_family,
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"opt-family", opt_family_brs, __arraycount(opt_family_brs), true);
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struct piface iface_start = PIFACE_INITIALIZER(&iface_start,
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"iface-opt-family", NULL, "if", &opt_clone.pb_parser);
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struct piface iface_only = PIFACE_INITIALIZER(&iface_only, "iface",
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media_status_exec, "if", NULL);
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static bool
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flag_is_registered(const char *flags, int flag)
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{
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return flags != NULL && strchr(flags, flag) != NULL;
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}
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static int
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check_flag(const char *flags, int flag)
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{
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if (flag_is_registered(flags, flag)) {
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errno = EEXIST;
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return -1;
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}
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if (flag >= '0' && flag <= '9')
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return 0;
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if (flag >= 'a' && flag <= 'z')
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return 0;
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if (flag >= 'A' && flag <= 'Z')
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return 0;
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errno = EINVAL;
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return -1;
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}
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void
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cmdloop_branch_init(cmdloop_branch_t *b, struct parser *p)
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{
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b->b_parser = p;
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}
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void
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statistics_func_init(statistics_func_t *f, statistics_cb_t func)
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{
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f->f_func = func;
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}
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void
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status_func_init(status_func_t *f, status_cb_t func)
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{
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f->f_func = func;
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}
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void
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usage_func_init(usage_func_t *f, usage_cb_t func)
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{
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f->f_func = func;
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}
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int
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register_cmdloop_branch(cmdloop_branch_t *b)
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{
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SIMPLEQ_INSERT_TAIL(&cmdloop_branches, b, b_next);
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return 0;
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}
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int
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register_statistics(statistics_func_t *f)
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{
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SIMPLEQ_INSERT_TAIL(&statistics_funcs, f, f_next);
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return 0;
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}
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int
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register_status(status_func_t *f)
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{
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SIMPLEQ_INSERT_TAIL(&status_funcs, f, f_next);
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return 0;
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}
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int
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register_usage(usage_func_t *f)
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{
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SIMPLEQ_INSERT_TAIL(&usage_funcs, f, f_next);
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return 0;
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}
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int
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register_family(struct afswtch *af)
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{
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SIMPLEQ_INSERT_TAIL(&aflist, af, af_next);
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return 0;
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}
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int
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register_flag(int flag)
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{
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if (check_flag(gflags, flag) == -1)
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return -1;
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if (strlen(gflags) + 1 >= sizeof(gflags)) {
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errno = ENOMEM;
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return -1;
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}
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gflags[strlen(gflags)] = flag;
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return 0;
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}
|
|
|
|
static int
|
|
flag_index(int flag)
|
|
{
|
|
if (flag >= '0' && flag <= '9')
|
|
return flag - '0';
|
|
if (flag >= 'a' && flag <= 'z')
|
|
return 10 + flag - 'a';
|
|
if (flag >= 'A' && flag <= 'Z')
|
|
return 10 + 26 + flag - 'a';
|
|
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
static bool
|
|
set_flag(int flag)
|
|
{
|
|
int idx;
|
|
|
|
if ((idx = flag_index(flag)) == -1)
|
|
return false;
|
|
|
|
return gflagset[idx] = true;
|
|
}
|
|
|
|
bool
|
|
get_flag(int flag)
|
|
{
|
|
int idx;
|
|
|
|
if ((idx = flag_index(flag)) == -1)
|
|
return false;
|
|
|
|
return gflagset[idx];
|
|
}
|
|
|
|
static struct parser *
|
|
init_parser(void)
|
|
{
|
|
cmdloop_branch_t *b;
|
|
|
|
if (parser_init(&iface_opt_family_only.pif_parser) == -1)
|
|
err(EXIT_FAILURE, "parser_init(iface_opt_family_only)");
|
|
if (parser_init(&iface_only.pif_parser) == -1)
|
|
err(EXIT_FAILURE, "parser_init(iface_only)");
|
|
if (parser_init(&iface_start.pif_parser) == -1)
|
|
err(EXIT_FAILURE, "parser_init(iface_start)");
|
|
|
|
SIMPLEQ_FOREACH(b, &cmdloop_branches, b_next)
|
|
pbranch_addbranch(&command_root, b->b_parser);
|
|
|
|
return &iface_start.pif_parser;
|
|
}
|
|
|
|
static int
|
|
no_cmds_exec(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const char *ifname;
|
|
unsigned short ignore;
|
|
|
|
/* ifname == NULL is ok. It indicates 'ifconfig -a'. */
|
|
if ((ifname = getifname(env)) == NULL)
|
|
;
|
|
else if (getifflags(env, oenv, &ignore) == -1)
|
|
err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
|
|
|
|
printall(ifname, env);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
static int
|
|
media_status_exec(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const char *ifname;
|
|
unsigned short ignore;
|
|
|
|
/* ifname == NULL is ok. It indicates 'ifconfig -a'. */
|
|
if ((ifname = getifname(env)) == NULL)
|
|
;
|
|
else if (getifflags(env, oenv, &ignore) == -1)
|
|
err(EXIT_FAILURE, "SIOCGIFFLAGS %s", ifname);
|
|
|
|
exit(carrier(env));
|
|
}
|
|
|
|
static void
|
|
do_setifcaps(prop_dictionary_t env)
|
|
{
|
|
struct ifcapreq ifcr;
|
|
prop_data_t d;
|
|
|
|
d = (prop_data_t )prop_dictionary_get(env, "ifcaps");
|
|
if (d == NULL)
|
|
return;
|
|
|
|
assert(sizeof(ifcr) == prop_data_size(d));
|
|
|
|
memcpy(&ifcr, prop_data_data_nocopy(d), sizeof(ifcr));
|
|
if (direct_ioctl(env, SIOCSIFCAP, &ifcr) == -1)
|
|
err(EXIT_FAILURE, "SIOCSIFCAP");
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
const struct afswtch *afp;
|
|
int af, s;
|
|
bool aflag = false, Cflag = false;
|
|
struct match match[32];
|
|
size_t nmatch;
|
|
struct parser *start;
|
|
int ch, narg = 0, rc;
|
|
prop_dictionary_t env, oenv;
|
|
const char *ifname;
|
|
|
|
memset(match, 0, sizeof(match));
|
|
|
|
init_afs();
|
|
|
|
start = init_parser();
|
|
|
|
/* Parse command-line options */
|
|
aflag = vflag = zflag = false;
|
|
while ((ch = getopt(argc, argv, gflags)) != -1) {
|
|
switch (ch) {
|
|
case 'A':
|
|
warnx("-A is deprecated");
|
|
break;
|
|
|
|
case 'a':
|
|
aflag = true;
|
|
break;
|
|
|
|
case 'b':
|
|
bflag = true;
|
|
break;
|
|
|
|
case 'C':
|
|
Cflag = true;
|
|
break;
|
|
|
|
case 'd':
|
|
dflag = true;
|
|
break;
|
|
case 'h':
|
|
hflag = true;
|
|
break;
|
|
case 'l':
|
|
lflag = true;
|
|
break;
|
|
|
|
case 's':
|
|
sflag = true;
|
|
break;
|
|
|
|
case 'u':
|
|
uflag = true;
|
|
break;
|
|
|
|
case 'v':
|
|
vflag = true;
|
|
break;
|
|
|
|
case 'z':
|
|
zflag = true;
|
|
break;
|
|
|
|
default:
|
|
if (!set_flag(ch))
|
|
usage();
|
|
break;
|
|
}
|
|
switch (ch) {
|
|
case 'a':
|
|
start = &opt_family_only.pb_parser;
|
|
break;
|
|
|
|
case 'L':
|
|
case 'm':
|
|
case 'v':
|
|
case 'z':
|
|
if (start != &opt_family_only.pb_parser)
|
|
start = &iface_opt_family_only.pif_parser;
|
|
break;
|
|
case 'C':
|
|
start = &cloneterm.pt_parser;
|
|
break;
|
|
case 'l':
|
|
start = &no_cmds.pt_parser;
|
|
break;
|
|
case 's':
|
|
if (start != &no_cmds.pt_parser &&
|
|
start != &opt_family_only.pb_parser)
|
|
start = &iface_only.pif_parser;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
/*
|
|
* -l means "list all interfaces", and is mutally exclusive with
|
|
* all other flags/commands.
|
|
*
|
|
* -C means "list all names of cloners", and it mutually exclusive
|
|
* with all other flags/commands.
|
|
*
|
|
* -a means "print status of all interfaces".
|
|
*/
|
|
if ((lflag || Cflag) && (aflag || get_flag('m') || vflag || zflag))
|
|
usage();
|
|
if ((lflag || Cflag) && get_flag('L'))
|
|
usage();
|
|
if (lflag && Cflag)
|
|
usage();
|
|
|
|
nmatch = __arraycount(match);
|
|
|
|
rc = parse(argc, argv, start, match, &nmatch, &narg);
|
|
if (rc != 0)
|
|
usage();
|
|
|
|
if ((oenv = prop_dictionary_create()) == NULL)
|
|
err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
|
|
|
|
if (matches_exec(match, oenv, nmatch) == -1)
|
|
err(EXIT_FAILURE, "exec_matches");
|
|
|
|
argc -= narg;
|
|
argv += narg;
|
|
|
|
env = (nmatch > 0) ? match[(int)nmatch - 1].m_env : NULL;
|
|
if (env == NULL)
|
|
env = oenv;
|
|
else
|
|
env = prop_dictionary_augment(env, oenv);
|
|
|
|
/* Process any media commands that may have been issued. */
|
|
process_media_commands(env);
|
|
|
|
if ((af = getaf(env)) == -1)
|
|
af = AF_INET;
|
|
|
|
if ((s = getsock(af)) == -1)
|
|
err(EXIT_FAILURE, "%s: getsock", __func__);
|
|
|
|
if ((ifname = getifname(env)) == NULL)
|
|
err(EXIT_FAILURE, "%s: getifname", __func__);
|
|
|
|
if ((afp = lookup_af_bynum(af)) == NULL)
|
|
errx(EXIT_FAILURE, "%s: lookup_af_bynum", __func__);
|
|
|
|
assert(afp->af_addr_commit != NULL);
|
|
(*afp->af_addr_commit)(env, oenv);
|
|
|
|
do_setifpreference(env);
|
|
do_setifcaps(env);
|
|
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
static void
|
|
init_afs(void)
|
|
{
|
|
int i;
|
|
const struct afswtch *afp;
|
|
struct kwinst kw = {.k_type = KW_T_INT};
|
|
|
|
SIMPLEQ_FOREACH(afp, &aflist, af_next) {
|
|
kw.k_word = afp->af_name;
|
|
kw.k_int = afp->af_af;
|
|
for (i = 0; i < __arraycount(familykw); i++) {
|
|
if (familykw[i].k_word == NULL) {
|
|
familykw[i] = kw;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const struct afswtch *
|
|
lookup_af_bynum(int afnum)
|
|
{
|
|
const struct afswtch *afp;
|
|
|
|
SIMPLEQ_FOREACH(afp, &aflist, af_next) {
|
|
if (afp->af_af == afnum)
|
|
break;
|
|
}
|
|
return afp;
|
|
}
|
|
|
|
void
|
|
printall(const char *ifname, prop_dictionary_t env0)
|
|
{
|
|
struct ifaddrs *ifap, *ifa;
|
|
struct ifreq ifr;
|
|
const struct sockaddr_dl *sdl = NULL;
|
|
prop_dictionary_t env, oenv;
|
|
int idx;
|
|
char *p;
|
|
|
|
if (env0 == NULL)
|
|
env = prop_dictionary_create();
|
|
else
|
|
env = prop_dictionary_copy_mutable(env0);
|
|
|
|
oenv = prop_dictionary_create();
|
|
|
|
if (env == NULL || oenv == NULL)
|
|
errx(EXIT_FAILURE, "%s: prop_dictionary_copy/create", __func__);
|
|
|
|
if (getifaddrs(&ifap) != 0)
|
|
err(EXIT_FAILURE, "getifaddrs");
|
|
p = NULL;
|
|
idx = 0;
|
|
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
estrlcpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name));
|
|
if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) {
|
|
memcpy(&ifr.ifr_addr, ifa->ifa_addr,
|
|
ifa->ifa_addr->sa_len);
|
|
}
|
|
|
|
if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0)
|
|
continue;
|
|
if (ifa->ifa_addr->sa_family == AF_LINK)
|
|
sdl = (const struct sockaddr_dl *) ifa->ifa_addr;
|
|
if (p && strcmp(p, ifa->ifa_name) == 0)
|
|
continue;
|
|
if (!prop_dictionary_set_cstring(env, "if", ifa->ifa_name))
|
|
continue;
|
|
p = ifa->ifa_name;
|
|
|
|
if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0)
|
|
continue;
|
|
if (dflag && (ifa->ifa_flags & IFF_UP) != 0)
|
|
continue;
|
|
if (uflag && (ifa->ifa_flags & IFF_UP) == 0)
|
|
continue;
|
|
|
|
if (sflag && carrier(env))
|
|
continue;
|
|
idx++;
|
|
/*
|
|
* Are we just listing the interfaces?
|
|
*/
|
|
if (lflag) {
|
|
if (idx > 1)
|
|
printf(" ");
|
|
fputs(ifa->ifa_name, stdout);
|
|
continue;
|
|
}
|
|
|
|
status(sdl, env, oenv);
|
|
sdl = NULL;
|
|
}
|
|
if (lflag)
|
|
printf("\n");
|
|
prop_object_release((prop_object_t)env);
|
|
prop_object_release((prop_object_t)oenv);
|
|
freeifaddrs(ifap);
|
|
}
|
|
|
|
static int
|
|
list_cloners(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
struct if_clonereq ifcr;
|
|
char *cp, *buf;
|
|
int idx, s;
|
|
|
|
memset(&ifcr, 0, sizeof(ifcr));
|
|
|
|
s = getsock(AF_INET);
|
|
|
|
if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
|
|
err(EXIT_FAILURE, "SIOCIFGCLONERS for count");
|
|
|
|
buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
|
|
if (buf == NULL)
|
|
err(EXIT_FAILURE, "unable to allocate cloner name buffer");
|
|
|
|
ifcr.ifcr_count = ifcr.ifcr_total;
|
|
ifcr.ifcr_buffer = buf;
|
|
|
|
if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
|
|
err(EXIT_FAILURE, "SIOCIFGCLONERS for names");
|
|
|
|
/*
|
|
* In case some disappeared in the mean time, clamp it down.
|
|
*/
|
|
if (ifcr.ifcr_count > ifcr.ifcr_total)
|
|
ifcr.ifcr_count = ifcr.ifcr_total;
|
|
|
|
for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
|
|
if (idx > 0)
|
|
printf(" ");
|
|
printf("%s", cp);
|
|
}
|
|
|
|
printf("\n");
|
|
free(buf);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
static int
|
|
clone_command(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
int64_t cmd;
|
|
|
|
if (!prop_dictionary_get_int64(env, "clonecmd", &cmd)) {
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
if (indirect_ioctl(env, (unsigned long)cmd, NULL) == -1) {
|
|
warn("%s", __func__);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static int
|
|
setifaddr(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const struct paddr_prefix *pfx0;
|
|
struct paddr_prefix *pfx;
|
|
prop_data_t d;
|
|
int af;
|
|
|
|
if ((af = getaf(env)) == -1)
|
|
af = AF_INET;
|
|
|
|
d = (prop_data_t)prop_dictionary_get(env, "address");
|
|
assert(d != NULL);
|
|
pfx0 = prop_data_data_nocopy(d);
|
|
|
|
if (pfx0->pfx_len >= 0) {
|
|
pfx = prefixlen_to_mask(af, pfx0->pfx_len);
|
|
if (pfx == NULL)
|
|
err(EXIT_FAILURE, "prefixlen_to_mask");
|
|
free(pfx);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
setifnetmask(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const struct paddr_prefix *pfx;
|
|
prop_data_t d;
|
|
|
|
d = (prop_data_t)prop_dictionary_get(env, "dstormask");
|
|
assert(d != NULL);
|
|
pfx = prop_data_data_nocopy(d);
|
|
|
|
if (!prop_dictionary_set(oenv, "netmask", (prop_object_t)d))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
setifbroadaddr(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const struct paddr_prefix *pfx;
|
|
prop_data_t d;
|
|
unsigned short flags;
|
|
|
|
if (getifflags(env, oenv, &flags) == -1)
|
|
err(EXIT_FAILURE, "%s: getifflags", __func__);
|
|
|
|
if ((flags & IFF_BROADCAST) == 0)
|
|
errx(EXIT_FAILURE, "not a broadcast interface");
|
|
|
|
d = (prop_data_t)prop_dictionary_get(env, "broadcast");
|
|
assert(d != NULL);
|
|
pfx = prop_data_data_nocopy(d);
|
|
|
|
if (!prop_dictionary_set(oenv, "broadcast", (prop_object_t)d))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static int
|
|
notrailers(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
puts("Note: trailers are no longer sent, but always received");
|
|
return 0;
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static int
|
|
setifdstormask(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
const char *key;
|
|
const struct paddr_prefix *pfx;
|
|
prop_data_t d;
|
|
unsigned short flags;
|
|
|
|
if (getifflags(env, oenv, &flags) == -1)
|
|
err(EXIT_FAILURE, "%s: getifflags", __func__);
|
|
|
|
d = (prop_data_t)prop_dictionary_get(env, "dstormask");
|
|
assert(d != NULL);
|
|
pfx = prop_data_data_nocopy(d);
|
|
|
|
if ((flags & IFF_BROADCAST) == 0) {
|
|
key = "dst";
|
|
} else {
|
|
key = "netmask";
|
|
}
|
|
|
|
if (!prop_dictionary_set(oenv, key, (prop_object_t)d))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
setifflags(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
struct ifreq ifr;
|
|
int64_t ifflag;
|
|
bool rc;
|
|
|
|
rc = prop_dictionary_get_int64(env, "ifflag", &ifflag);
|
|
assert(rc);
|
|
|
|
if (direct_ioctl(env, SIOCGIFFLAGS, &ifr) == -1)
|
|
return -1;
|
|
|
|
if (ifflag < 0) {
|
|
ifflag = -ifflag;
|
|
ifr.ifr_flags &= ~ifflag;
|
|
} else
|
|
ifr.ifr_flags |= ifflag;
|
|
|
|
if (direct_ioctl(env, SIOCSIFFLAGS, &ifr) == -1)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
getifcaps(prop_dictionary_t env, prop_dictionary_t oenv, struct ifcapreq *oifcr)
|
|
{
|
|
bool rc;
|
|
struct ifcapreq ifcr;
|
|
const struct ifcapreq *tmpifcr;
|
|
prop_data_t capdata;
|
|
|
|
capdata = (prop_data_t)prop_dictionary_get(env, "ifcaps");
|
|
|
|
if (capdata != NULL) {
|
|
tmpifcr = prop_data_data_nocopy(capdata);
|
|
*oifcr = *tmpifcr;
|
|
return 0;
|
|
}
|
|
|
|
(void)direct_ioctl(env, SIOCGIFCAP, &ifcr);
|
|
*oifcr = ifcr;
|
|
|
|
capdata = prop_data_create_data(&ifcr, sizeof(ifcr));
|
|
|
|
rc = prop_dictionary_set(oenv, "ifcaps", capdata);
|
|
|
|
prop_object_release((prop_object_t)capdata);
|
|
|
|
return rc ? 0 : -1;
|
|
}
|
|
|
|
static int
|
|
setifcaps(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
int64_t ifcap;
|
|
int s;
|
|
bool rc;
|
|
prop_data_t capdata;
|
|
struct ifcapreq ifcr;
|
|
|
|
s = getsock(AF_INET);
|
|
|
|
rc = prop_dictionary_get_int64(env, "ifcap", &ifcap);
|
|
assert(rc);
|
|
|
|
if (getifcaps(env, oenv, &ifcr) == -1)
|
|
return -1;
|
|
|
|
if (ifcap < 0) {
|
|
ifcap = -ifcap;
|
|
ifcr.ifcr_capenable &= ~ifcap;
|
|
} else
|
|
ifcr.ifcr_capenable |= ifcap;
|
|
|
|
if ((capdata = prop_data_create_data(&ifcr, sizeof(ifcr))) == NULL)
|
|
return -1;
|
|
|
|
rc = prop_dictionary_set(oenv, "ifcaps", capdata);
|
|
prop_object_release((prop_object_t)capdata);
|
|
|
|
return rc ? 0 : -1;
|
|
}
|
|
|
|
static int
|
|
setifmetric(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
struct ifreq ifr;
|
|
bool rc;
|
|
int64_t metric;
|
|
|
|
rc = prop_dictionary_get_int64(env, "metric", &metric);
|
|
assert(rc);
|
|
|
|
ifr.ifr_metric = metric;
|
|
if (direct_ioctl(env, SIOCSIFMETRIC, &ifr) == -1)
|
|
warn("SIOCSIFMETRIC");
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
do_setifpreference(prop_dictionary_t env)
|
|
{
|
|
struct if_addrprefreq ifap;
|
|
prop_data_t d;
|
|
const struct paddr_prefix *pfx;
|
|
|
|
memset(&ifap, 0, sizeof(ifap));
|
|
|
|
if (!prop_dictionary_get_int16(env, "preference",
|
|
&ifap.ifap_preference))
|
|
return;
|
|
|
|
d = (prop_data_t)prop_dictionary_get(env, "address");
|
|
assert(d != NULL);
|
|
|
|
pfx = prop_data_data_nocopy(d);
|
|
|
|
memcpy(&ifap.ifap_addr, &pfx->pfx_addr,
|
|
MIN(sizeof(ifap.ifap_addr), pfx->pfx_addr.sa_len));
|
|
if (direct_ioctl(env, SIOCSIFADDRPREF, &ifap) == -1)
|
|
warn("SIOCSIFADDRPREF");
|
|
}
|
|
|
|
static int
|
|
setifmtu(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
int64_t mtu;
|
|
bool rc;
|
|
struct ifreq ifr;
|
|
|
|
rc = prop_dictionary_get_int64(env, "mtu", &mtu);
|
|
assert(rc);
|
|
|
|
ifr.ifr_mtu = mtu;
|
|
if (direct_ioctl(env, SIOCSIFMTU, &ifr) == -1)
|
|
warn("SIOCSIFMTU");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
carrier(prop_dictionary_t env)
|
|
{
|
|
struct ifmediareq ifmr;
|
|
|
|
memset(&ifmr, 0, sizeof(ifmr));
|
|
|
|
if (direct_ioctl(env, SIOCGIFMEDIA, &ifmr) == -1) {
|
|
/*
|
|
* Interface doesn't support SIOC{G,S}IFMEDIA;
|
|
* assume ok.
|
|
*/
|
|
return EXIT_SUCCESS;
|
|
}
|
|
if ((ifmr.ifm_status & IFM_AVALID) == 0) {
|
|
/*
|
|
* Interface doesn't report media-valid status.
|
|
* assume ok.
|
|
*/
|
|
return EXIT_SUCCESS;
|
|
}
|
|
/* otherwise, return ok for active, not-ok if not active. */
|
|
if (ifmr.ifm_status & IFM_ACTIVE)
|
|
return EXIT_SUCCESS;
|
|
else
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
static void
|
|
print_plural(const char *prefix, uint64_t n, const char *unit)
|
|
{
|
|
printf("%s%" PRIu64 " %s%s", prefix, n, unit, (n == 1) ? "" : "s");
|
|
}
|
|
|
|
static void
|
|
print_human_bytes(bool humanize, uint64_t n)
|
|
{
|
|
char buf[5];
|
|
|
|
if (humanize) {
|
|
(void)humanize_number(buf, sizeof(buf),
|
|
(int64_t)n, "", HN_AUTOSCALE, HN_NOSPACE | HN_DECIMAL);
|
|
printf(", %s byte%s", buf, (atof(buf) == 1.0) ? "" : "s");
|
|
} else
|
|
print_plural(", ", n, "byte");
|
|
}
|
|
|
|
/*
|
|
* Print the status of the interface. If an address family was
|
|
* specified, show it and it only; otherwise, show them all.
|
|
*/
|
|
void
|
|
status(const struct sockaddr_dl *sdl, prop_dictionary_t env,
|
|
prop_dictionary_t oenv)
|
|
{
|
|
const struct if_data *ifi;
|
|
status_func_t *status_f;
|
|
statistics_func_t *statistics_f;
|
|
struct ifdatareq ifdr;
|
|
struct ifreq ifr;
|
|
char hbuf[NI_MAXHOST];
|
|
char fbuf[BUFSIZ];
|
|
int af, s;
|
|
const char *ifname;
|
|
struct ifcapreq ifcr;
|
|
unsigned short flags;
|
|
const struct afswtch *afp;
|
|
|
|
if ((af = getaf(env)) == -1) {
|
|
afp = NULL;
|
|
af = AF_UNSPEC;
|
|
} else
|
|
afp = lookup_af_bynum(af);
|
|
|
|
/* get out early if the family is unsupported by the kernel */
|
|
if ((s = getsock(af)) == -1)
|
|
err(EXIT_FAILURE, "%s: getsock", __func__);
|
|
|
|
if ((ifname = getifinfo(env, oenv, &flags)) == NULL)
|
|
err(EXIT_FAILURE, "%s: getifinfo", __func__);
|
|
|
|
(void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags);
|
|
printf("%s: flags=%s", ifname, &fbuf[2]);
|
|
|
|
estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
|
if (ioctl(s, SIOCGIFMETRIC, &ifr) == -1)
|
|
warn("SIOCGIFMETRIC %s", ifr.ifr_name);
|
|
else if (ifr.ifr_metric != 0)
|
|
printf(" metric %d", ifr.ifr_metric);
|
|
|
|
estrlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
|
|
if (ioctl(s, SIOCGIFMTU, &ifr) != -1 && ifr.ifr_mtu != 0)
|
|
printf(" mtu %d", ifr.ifr_mtu);
|
|
printf("\n");
|
|
|
|
if (getifcaps(env, oenv, &ifcr) == -1)
|
|
err(EXIT_FAILURE, "%s: getifcaps", __func__);
|
|
|
|
if (ifcr.ifcr_capabilities != 0) {
|
|
(void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
|
|
ifcr.ifcr_capabilities);
|
|
printf("\tcapabilities=%s\n", &fbuf[2]);
|
|
(void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS,
|
|
ifcr.ifcr_capenable);
|
|
printf("\tenabled=%s\n", &fbuf[2]);
|
|
}
|
|
|
|
SIMPLEQ_FOREACH(status_f, &status_funcs, f_next)
|
|
(*status_f->f_func)(env, oenv);
|
|
|
|
if (sdl != NULL &&
|
|
getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len,
|
|
hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 &&
|
|
hbuf[0] != '\0')
|
|
printf("\taddress: %s\n", hbuf);
|
|
|
|
media_status(env, oenv);
|
|
|
|
if (!vflag && !zflag)
|
|
goto proto_status;
|
|
|
|
estrlcpy(ifdr.ifdr_name, ifname, sizeof(ifdr.ifdr_name));
|
|
|
|
if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1)
|
|
err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA");
|
|
|
|
ifi = &ifdr.ifdr_data;
|
|
|
|
print_plural("\tinput: ", ifi->ifi_ipackets, "packet");
|
|
print_human_bytes(hflag, ifi->ifi_ibytes);
|
|
if (ifi->ifi_imcasts)
|
|
print_plural(", ", ifi->ifi_imcasts, "multicast");
|
|
if (ifi->ifi_ierrors)
|
|
print_plural(", ", ifi->ifi_ierrors, "error");
|
|
if (ifi->ifi_iqdrops)
|
|
print_plural(", ", ifi->ifi_iqdrops, "queue drop");
|
|
if (ifi->ifi_noproto)
|
|
printf(", %" PRIu64 " unknown protocol", ifi->ifi_noproto);
|
|
print_plural("\n\toutput: ", ifi->ifi_opackets, "packet");
|
|
print_human_bytes(hflag, ifi->ifi_obytes);
|
|
if (ifi->ifi_omcasts)
|
|
print_plural(", ", ifi->ifi_omcasts, "multicast");
|
|
if (ifi->ifi_oerrors)
|
|
print_plural(", ", ifi->ifi_oerrors, "error");
|
|
if (ifi->ifi_collisions)
|
|
print_plural(", ", ifi->ifi_collisions, "collision");
|
|
printf("\n");
|
|
|
|
SIMPLEQ_FOREACH(statistics_f, &statistics_funcs, f_next)
|
|
(*statistics_f->f_func)(env);
|
|
|
|
proto_status:
|
|
|
|
if (afp != NULL)
|
|
(*afp->af_status)(env, oenv, true);
|
|
else SIMPLEQ_FOREACH(afp, &aflist, af_next)
|
|
(*afp->af_status)(env, oenv, false);
|
|
}
|
|
|
|
static int
|
|
setifprefixlen(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
bool rc;
|
|
int64_t plen;
|
|
int af;
|
|
struct paddr_prefix *pfx;
|
|
prop_data_t d;
|
|
|
|
if ((af = getaf(env)) == -1)
|
|
af = AF_INET;
|
|
|
|
rc = prop_dictionary_get_int64(env, "prefixlen", &plen);
|
|
assert(rc);
|
|
|
|
pfx = prefixlen_to_mask(af, plen);
|
|
if (pfx == NULL)
|
|
err(EXIT_FAILURE, "prefixlen_to_mask");
|
|
|
|
d = prop_data_create_data(pfx, paddr_prefix_size(pfx));
|
|
if (d == NULL)
|
|
err(EXIT_FAILURE, "%s: prop_data_create_data", __func__);
|
|
|
|
if (!prop_dictionary_set(oenv, "netmask", (prop_object_t)d))
|
|
err(EXIT_FAILURE, "%s: prop_dictionary_set", __func__);
|
|
|
|
free(pfx);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
const char *progname = getprogname();
|
|
usage_func_t *usage_f;
|
|
prop_dictionary_t env;
|
|
|
|
if ((env = prop_dictionary_create()) == NULL)
|
|
err(EXIT_FAILURE, "%s: prop_dictionary_create", __func__);
|
|
|
|
fprintf(stderr, "usage: %s [-h] %s[-v] [-z] %sinterface\n"
|
|
"\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n"
|
|
"\t\t[ alias | -alias ] ]\n"
|
|
"\t[ up ] [ down ] [ metric n ] [ mtu n ]\n", progname,
|
|
flag_is_registered(gflags, 'm') ? "[-m] " : "",
|
|
flag_is_registered(gflags, 'L') ? "[-L] " : "");
|
|
|
|
SIMPLEQ_FOREACH(usage_f, &usage_funcs, f_next)
|
|
(*usage_f->f_func)(env);
|
|
|
|
fprintf(stderr,
|
|
"\t[ arp | -arp ]\n"
|
|
"\t[ preference n ]\n"
|
|
"\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
|
|
" %s -a [-b] [-d] [-h] %s[-u] [-v] [-z] [ af ]\n"
|
|
" %s -l [-b] [-d] [-s] [-u]\n"
|
|
" %s -C\n"
|
|
" %s interface create\n"
|
|
" %s interface destroy\n",
|
|
progname, flag_is_registered(gflags, 'm') ? "[-m] " : "",
|
|
progname, progname, progname, progname);
|
|
|
|
prop_object_release((prop_object_t)env);
|
|
exit(EXIT_FAILURE);
|
|
}
|