536 lines
13 KiB
C
536 lines
13 KiB
C
/*
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* Copyright 2001 The Aerospace Corporation. 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. The name of The Aerospace Corporation may not be used to endorse or
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* promote products derived from this software.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``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 AEROSPACE CORPORATION 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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* $FreeBSD$
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*/
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* 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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* 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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#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/sysctl.h>
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#include <sys/time.h>
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#include <net/ethernet.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_types.h>
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#include <net/route.h>
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#include <net/if_ieee80211.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 <fcntl.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 "ifconfig.h"
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static void set80211(int s, int type, int val, int len, u_int8_t *data);
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static const char *get_string(const char *val, const char *sep,
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u_int8_t *buf, int *lenp);
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static void print_string(const u_int8_t *buf, int len);
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void
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set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int ssid;
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int len;
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u_int8_t data[33];
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ssid = 0;
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len = sizeof(val);
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if (len > 2 && isdigit(val[0]) && val[1] == ':') {
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ssid = atoi(val)-1;
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val += 2;
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}
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bzero(data, sizeof(data));
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len = sizeof(data);
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get_string(val, NULL, data, &len);
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set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
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}
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void
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set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int len;
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u_int8_t data[33];
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bzero(data, sizeof(data));
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len = sizeof(data);
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get_string(val, NULL, data, &len);
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set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
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}
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void
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set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
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{
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set80211(s, IEEE80211_IOC_CHANNEL, atoi(val), 0, NULL);
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}
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void
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set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int mode;
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if (strcasecmp(val, "none") == 0) {
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mode = IEEE80211_AUTH_NONE;
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} else if (strcasecmp(val, "open") == 0) {
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mode = IEEE80211_AUTH_OPEN;
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} else if (strcasecmp(val, "shared") == 0) {
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mode = IEEE80211_AUTH_SHARED;
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} else {
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err(1, "unknown authmode");
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}
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set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
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}
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void
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set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int mode;
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if (strcasecmp(val, "off") == 0) {
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mode = IEEE80211_POWERSAVE_OFF;
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} else if (strcasecmp(val, "on") == 0) {
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mode = IEEE80211_POWERSAVE_ON;
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} else if (strcasecmp(val, "cam") == 0) {
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mode = IEEE80211_POWERSAVE_CAM;
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} else if (strcasecmp(val, "psp") == 0) {
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mode = IEEE80211_POWERSAVE_PSP;
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} else if (strcasecmp(val, "psp-cam") == 0) {
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mode = IEEE80211_POWERSAVE_PSP_CAM;
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} else {
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err(1, "unknown powersavemode");
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}
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set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
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}
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void
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set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
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{
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if (d == 0)
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set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
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0, NULL);
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else
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set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
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0, NULL);
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}
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void
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set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
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{
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set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
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}
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void
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set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int mode;
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if (strcasecmp(val, "off") == 0) {
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mode = IEEE80211_WEP_OFF;
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} else if (strcasecmp(val, "on") == 0) {
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mode = IEEE80211_WEP_ON;
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} else if (strcasecmp(val, "mixed") == 0) {
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mode = IEEE80211_WEP_MIXED;
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} else {
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err(1, "unknown wep mode");
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}
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set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
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}
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void
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set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
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{
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set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
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}
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void
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set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
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{
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set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
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}
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void
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set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int key = 0;
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int len;
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u_int8_t data[14];
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if (isdigit(val[0]) && val[1] == ':') {
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key = atoi(val)-1;
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val += 2;
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}
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bzero(data, sizeof(data));
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len = sizeof(data);
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get_string(val, NULL, data, &len);
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set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
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}
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/*
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* This function is purly a NetBSD compatability interface. The NetBSD
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* iterface is too inflexable, but it's there so we'll support it since
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* it's not all that hard.
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*/
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void
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set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
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{
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int txkey;
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int i, len;
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u_int8_t data[14];
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set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
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if (isdigit(val[0]) && val[1] == ':') {
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txkey = val[0]-'0'-1;
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val += 2;
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for (i = 0; i < 4; i++) {
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bzero(data, sizeof(data));
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len = sizeof(data);
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val = get_string(val, ",", data, &len);
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set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
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}
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} else {
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bzero(data, sizeof(data));
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len = sizeof(data);
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get_string(val, NULL, data, &len);
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txkey = 0;
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set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
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bzero(data, sizeof(data));
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for (i = 1; i < 4; i++)
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set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
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}
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set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
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}
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void
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ieee80211_status (s, info)
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int s;
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struct rt_addrinfo *info __unused;
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{
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int i;
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int num;
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struct ieee80211req ireq;
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u_int8_t data[32];
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char spacer;
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(void) memset(&ireq, 0, sizeof(ireq));
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(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
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ireq.i_data = &data;
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ireq.i_type = IEEE80211_IOC_SSID;
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ireq.i_val = -1;
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if (ioctl(s, SIOCG80211, &ireq) < 0) {
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/* If we can't get the SSID, the this isn't an 802.11 device. */
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return;
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}
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printf("\tssid ");
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print_string(data, ireq.i_len);
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num = 0;
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ireq.i_type = IEEE80211_IOC_NUMSSIDS;
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if (ioctl(s, SIOCG80211, &ireq) >= 0) {
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num = ireq.i_val;
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}
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ireq.i_type = IEEE80211_IOC_SSID;
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for (ireq.i_val = 0; ireq.i_val < num; ireq.i_val++) {
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if (ioctl(s, SIOCG80211, &ireq) >= 0 && ireq.i_len > 0) {
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printf(" %d:", ireq.i_val + 1);
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print_string(data, ireq.i_len);
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}
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}
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printf("\n");
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ireq.i_type = IEEE80211_IOC_STATIONNAME;
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if (ioctl(s, SIOCG80211, &ireq) != -1) {
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printf("\tstationname ");
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print_string(data, ireq.i_len);
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printf("\n");
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}
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ireq.i_type = IEEE80211_IOC_CHANNEL;
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if (ioctl(s, SIOCG80211, &ireq) < 0) {
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goto end;
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}
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printf("\tchannel %d", ireq.i_val);
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ireq.i_type = IEEE80211_IOC_AUTHMODE;
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if (ioctl(s, SIOCG80211, &ireq) != -1) {
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printf(" authmode");
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switch (ireq.i_val) {
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case IEEE80211_AUTH_NONE:
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printf(" NONE");
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break;
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case IEEE80211_AUTH_OPEN:
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printf(" OPEN");
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break;
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case IEEE80211_AUTH_SHARED:
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printf(" SHARED");
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break;
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default:
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printf(" UNKNOWN");
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break;
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}
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}
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ireq.i_type = IEEE80211_IOC_POWERSAVE;
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if (ioctl(s, SIOCG80211, &ireq) != -1 &&
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ireq.i_val != IEEE80211_POWERSAVE_NOSUP ) {
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printf(" powersavemode");
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switch (ireq.i_val) {
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case IEEE80211_POWERSAVE_OFF:
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printf(" OFF");
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break;
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case IEEE80211_POWERSAVE_CAM:
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printf(" CAM");
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break;
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case IEEE80211_POWERSAVE_PSP:
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printf(" PSP");
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break;
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case IEEE80211_POWERSAVE_PSP_CAM:
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printf(" PSP-CAM");
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break;
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}
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ireq.i_type = IEEE80211_IOC_POWERSAVESLEEP;
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if (ioctl(s, SIOCG80211, &ireq) != -1) {
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if (ireq.i_val)
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printf(" powersavesleep %d", ireq.i_val);
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}
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}
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printf("\n");
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ireq.i_type = IEEE80211_IOC_WEP;
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if (ioctl(s, SIOCG80211, &ireq) != -1 &&
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ireq.i_val != IEEE80211_WEP_NOSUP) {
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printf("\twepmode");
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switch (ireq.i_val) {
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case IEEE80211_WEP_OFF:
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printf(" OFF");
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break;
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case IEEE80211_WEP_ON:
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printf(" ON");
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break;
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case IEEE80211_WEP_MIXED:
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printf(" MIXED");
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break;
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default:
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printf(" UNKNOWN");
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break;
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}
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/*
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* If we get here then we've got WEP support so we need
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* to print WEP status.
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*/
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ireq.i_type = IEEE80211_IOC_WEPTXKEY;
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if (ioctl(s, SIOCG80211, &ireq) < 0) {
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warn("WEP support, but no tx key!");
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goto end;
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}
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printf(" weptxkey %d", ireq.i_val+1);
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ireq.i_type = IEEE80211_IOC_NUMWEPKEYS;
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if (ioctl(s, SIOCG80211, &ireq) < 0) {
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warn("WEP support, but no NUMWEPKEYS support!");
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goto end;
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}
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num = ireq.i_val;
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printf("\n");
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ireq.i_type = IEEE80211_IOC_WEPKEY;
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spacer = '\t';
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for (i = 0; i < num; i++) {
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ireq.i_val = i;
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if (ioctl(s, SIOCG80211, &ireq) < 0) {
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warn("WEP support, but can get keys!");
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goto end;
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}
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if (ireq.i_len == 0 || ireq.i_len > 13)
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continue;
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printf("%cwepkey %d:%s", spacer, i+1,
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ireq.i_len <= 5 ? "64-bit" : "128-bit");
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if (spacer == '\t')
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spacer = ' ';
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}
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if (spacer == ' ')
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printf("\n");
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}
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end:
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return;
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}
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static void
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set80211(int s, int type, int val, int len, u_int8_t *data)
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{
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struct ieee80211req ireq;
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(void) memset(&ireq, 0, sizeof(ireq));
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(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
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ireq.i_type = type;
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ireq.i_val = val;
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ireq.i_len = len;
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ireq.i_data = data;
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if (ioctl(s, SIOCS80211, &ireq) < 0)
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err(1, "SIOCS80211");
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}
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static const char *
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get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
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{
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int len;
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int hexstr;
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u_int8_t *p;
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len = *lenp;
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p = buf;
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hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
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if (hexstr)
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val += 2;
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for (;;) {
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if (*val == '\0')
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break;
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if (sep != NULL && strchr(sep, *val) != NULL) {
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val++;
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break;
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}
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if (hexstr) {
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if (!isxdigit((u_char)val[0]) ||
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!isxdigit((u_char)val[1])) {
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warnx("bad hexadecimal digits");
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return NULL;
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}
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}
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if (p > buf + len) {
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if (hexstr)
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warnx("hexadecimal digits too long");
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else
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warnx("strings too long");
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return NULL;
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}
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if (hexstr) {
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#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
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*p++ = (tohex((u_char)val[0]) << 4) |
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tohex((u_char)val[1]);
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#undef tohex
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val += 2;
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} else
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*p++ = *val++;
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}
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len = p - buf;
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/* The string "-" is treated as the empty string. */
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if (!hexstr && len == 1 && buf[0] == '-')
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len = 0;
|
|
if (len < *lenp)
|
|
memset(p, 0, *lenp - len);
|
|
*lenp = len;
|
|
return val;
|
|
}
|
|
|
|
static void
|
|
print_string(const u_int8_t *buf, int len)
|
|
{
|
|
int i;
|
|
int hasspc;
|
|
|
|
i = 0;
|
|
hasspc = 0;
|
|
for (; i < len; i++) {
|
|
if (!isprint(buf[i]) && buf[i] != '\0')
|
|
break;
|
|
if (isspace(buf[i]))
|
|
hasspc++;
|
|
}
|
|
if (i == len) {
|
|
if (hasspc || len == 0 || buf[0] == '\0')
|
|
printf("\"%.*s\"", len, buf);
|
|
else
|
|
printf("%.*s", len, buf);
|
|
} else {
|
|
printf("0x");
|
|
for (i = 0; i < len; i++)
|
|
printf("%02x", buf[i]);
|
|
}
|
|
}
|
|
|