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freebsd-nq/sbin/ifconfig/ifieee80211.c
Sam Leffler 9a71a3d565 Add initial support for 900MHz channels; still has some rough 
edges but ifconfig ath0 list chan works and you can use ieee
channel #'s to lock/select a channel.

MFC after:	1 month
2007-01-15 01:20:28 +00:00

2071 lines
51 KiB
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/*
* Copyright 2001 The Aerospace Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of The Aerospace Corporation may not be used to endorse or
* promote products derived from this software.
*
* THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*-
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_media.h>
#include <net/route.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include "ifconfig.h"
static void set80211(int s, int type, int val, int len, u_int8_t *data);
static const char *get_string(const char *val, const char *sep,
u_int8_t *buf, int *lenp);
static void print_string(const u_int8_t *buf, int len);
static int
isanyarg(const char *arg)
{
return (strcmp(arg, "-") == 0 ||
strcasecmp(arg, "any") == 0 || strcasecmp(arg, "off") == 0);
}
static void
set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
{
int ssid;
int len;
u_int8_t data[IEEE80211_NWID_LEN];
ssid = 0;
len = strlen(val);
if (len > 2 && isdigit(val[0]) && val[1] == ':') {
ssid = atoi(val)-1;
val += 2;
}
bzero(data, sizeof(data));
len = sizeof(data);
if (get_string(val, NULL, data, &len) == NULL)
exit(1);
set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
}
static void
set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
{
int len;
u_int8_t data[33];
bzero(data, sizeof(data));
len = sizeof(data);
get_string(val, NULL, data, &len);
set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
}
/*
* Convert IEEE channel number to MHz frequency.
*/
static u_int
ieee80211_ieee2mhz(u_int chan)
{
if (chan == 14)
return 2484;
if (chan < 14) /* 0-13 */
return 2407 + chan*5;
if (chan < 27) /* 15-26 */
return 2512 + ((chan-15)*20);
return 5000 + (chan*5);
}
static __inline int
mapgsm(u_int freq, u_int flags)
{
freq *= 10;
if (flags & IEEE80211_CHAN_QUARTER)
freq += 5;
else if (flags & IEEE80211_CHAN_HALF)
freq += 10;
else
freq += 20;
/* NB: there is no 907/20 wide but leave room */
return (freq - 906*10) / 5;
}
static __inline int
mappsb(u_int freq, u_int flags)
{
return 37 + ((freq * 10) + ((freq % 5) == 2 ? 5 : 0) - 49400) / 5;
}
/*
* Convert MHz frequency to IEEE channel number.
*/
static u_int
ieee80211_mhz2ieee(u_int freq, u_int flags)
{
if ((flags & IEEE80211_CHAN_GSM) || (907 <= freq && freq <= 922))
return mapgsm(freq, flags);
if (freq == 2484)
return 14;
if (freq < 2484)
return (freq - 2407) / 5;
if (freq < 5000) {
if (flags & (IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER))
return mappsb(freq, flags);
else if (freq > 4900)
return (freq - 4000) / 5;
else
return 15 + ((freq - 2512) / 20);
}
return (freq - 5000) / 5;
}
static void
set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
{
if (!isanyarg(val)) {
int v = atoi(val);
if (v > 255) /* treat as frequency */
v = ieee80211_mhz2ieee(v, 0);
set80211(s, IEEE80211_IOC_CHANNEL, v, 0, NULL);
} else
set80211(s, IEEE80211_IOC_CHANNEL, IEEE80211_CHAN_ANY, 0, NULL);
}
static void
set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
{
int mode;
if (strcasecmp(val, "none") == 0) {
mode = IEEE80211_AUTH_NONE;
} else if (strcasecmp(val, "open") == 0) {
mode = IEEE80211_AUTH_OPEN;
} else if (strcasecmp(val, "shared") == 0) {
mode = IEEE80211_AUTH_SHARED;
} else if (strcasecmp(val, "8021x") == 0) {
mode = IEEE80211_AUTH_8021X;
} else if (strcasecmp(val, "wpa") == 0) {
mode = IEEE80211_AUTH_WPA;
} else {
errx(1, "unknown authmode");
}
set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
}
static void
set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
{
int mode;
if (strcasecmp(val, "off") == 0) {
mode = IEEE80211_POWERSAVE_OFF;
} else if (strcasecmp(val, "on") == 0) {
mode = IEEE80211_POWERSAVE_ON;
} else if (strcasecmp(val, "cam") == 0) {
mode = IEEE80211_POWERSAVE_CAM;
} else if (strcasecmp(val, "psp") == 0) {
mode = IEEE80211_POWERSAVE_PSP;
} else if (strcasecmp(val, "psp-cam") == 0) {
mode = IEEE80211_POWERSAVE_PSP_CAM;
} else {
errx(1, "unknown powersavemode");
}
set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
}
static void
set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
{
if (d == 0)
set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
0, NULL);
else
set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
0, NULL);
}
static void
set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
}
static void
set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
{
int mode;
if (strcasecmp(val, "off") == 0) {
mode = IEEE80211_WEP_OFF;
} else if (strcasecmp(val, "on") == 0) {
mode = IEEE80211_WEP_ON;
} else if (strcasecmp(val, "mixed") == 0) {
mode = IEEE80211_WEP_MIXED;
} else {
errx(1, "unknown wep mode");
}
set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
}
static void
set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
}
static int
isundefarg(const char *arg)
{
return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
}
static void
set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
{
if (isundefarg(val))
set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
else
set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
}
static void
set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
{
int key = 0;
int len;
u_int8_t data[IEEE80211_KEYBUF_SIZE];
if (isdigit(val[0]) && val[1] == ':') {
key = atoi(val)-1;
val += 2;
}
bzero(data, sizeof(data));
len = sizeof(data);
get_string(val, NULL, data, &len);
set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
}
/*
* This function is purely a NetBSD compatability interface. The NetBSD
* interface is too inflexible, but it's there so we'll support it since
* it's not all that hard.
*/
static void
set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
{
int txkey;
int i, len;
u_int8_t data[IEEE80211_KEYBUF_SIZE];
set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
if (isdigit(val[0]) && val[1] == ':') {
txkey = val[0]-'0'-1;
val += 2;
for (i = 0; i < 4; i++) {
bzero(data, sizeof(data));
len = sizeof(data);
val = get_string(val, ",", data, &len);
if (val == NULL)
exit(1);
set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
}
} else {
bzero(data, sizeof(data));
len = sizeof(data);
get_string(val, NULL, data, &len);
txkey = 0;
set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
bzero(data, sizeof(data));
for (i = 1; i < 4; i++)
set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
}
set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
}
static void
set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
}
static void
set80211protmode(const char *val, int d, int s, const struct afswtch *rafp)
{
int mode;
if (strcasecmp(val, "off") == 0) {
mode = IEEE80211_PROTMODE_OFF;
} else if (strcasecmp(val, "cts") == 0) {
mode = IEEE80211_PROTMODE_CTS;
} else if (strcasecmp(val, "rtscts") == 0) {
mode = IEEE80211_PROTMODE_RTSCTS;
} else {
errx(1, "unknown protection mode");
}
set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
}
static void
set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_TXPOWER, atoi(val), 0, NULL);
}
#define IEEE80211_ROAMING_DEVICE 0
#define IEEE80211_ROAMING_AUTO 1
#define IEEE80211_ROAMING_MANUAL 2
static void
set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
{
int mode;
if (strcasecmp(val, "device") == 0) {
mode = IEEE80211_ROAMING_DEVICE;
} else if (strcasecmp(val, "auto") == 0) {
mode = IEEE80211_ROAMING_AUTO;
} else if (strcasecmp(val, "manual") == 0) {
mode = IEEE80211_ROAMING_MANUAL;
} else {
errx(1, "unknown roaming mode");
}
set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
}
static void
set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
}
static void
set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
}
static void
set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
}
static void
set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
{
struct ieee80211req_chanlist chanlist;
#define MAXCHAN (sizeof(chanlist.ic_channels)*NBBY)
char *temp, *cp, *tp;
temp = malloc(strlen(val) + 1);
if (temp == NULL)
errx(1, "malloc failed");
strcpy(temp, val);
memset(&chanlist, 0, sizeof(chanlist));
cp = temp;
for (;;) {
int first, last, f;
tp = strchr(cp, ',');
if (tp != NULL)
*tp++ = '\0';
switch (sscanf(cp, "%u-%u", &first, &last)) {
case 1:
if (first > MAXCHAN)
errx(-1, "channel %u out of range, max %zu",
first, MAXCHAN);
setbit(chanlist.ic_channels, first);
break;
case 2:
if (first > MAXCHAN)
errx(-1, "channel %u out of range, max %zu",
first, MAXCHAN);
if (last > MAXCHAN)
errx(-1, "channel %u out of range, max %zu",
last, MAXCHAN);
if (first > last)
errx(-1, "void channel range, %u > %u",
first, last);
for (f = first; f <= last; f++)
setbit(chanlist.ic_channels, f);
break;
}
if (tp == NULL)
break;
while (isspace(*tp))
tp++;
if (!isdigit(*tp))
break;
cp = tp;
}
set80211(s, IEEE80211_IOC_CHANLIST, 0,
sizeof(chanlist), (uint8_t *) &chanlist);
#undef MAXCHAN
}
static void
set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
{
if (!isanyarg(val)) {
char *temp;
struct sockaddr_dl sdl;
temp = malloc(strlen(val) + 2); /* ':' and '\0' */
if (temp == NULL)
errx(1, "malloc failed");
temp[0] = ':';
strcpy(temp + 1, val);
sdl.sdl_len = sizeof(sdl);
link_addr(temp, &sdl);
free(temp);
if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
errx(1, "malformed link-level address");
set80211(s, IEEE80211_IOC_BSSID, 0,
IEEE80211_ADDR_LEN, LLADDR(&sdl));
} else {
uint8_t zerobssid[IEEE80211_ADDR_LEN];
memset(zerobssid, 0, sizeof(zerobssid));
set80211(s, IEEE80211_IOC_BSSID, 0,
IEEE80211_ADDR_LEN, zerobssid);
}
}
static int
getac(const char *ac)
{
if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
return WME_AC_BE;
if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
return WME_AC_BK;
if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
return WME_AC_VI;
if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
return WME_AC_VO;
errx(1, "unknown wme access class %s", ac);
}
static
DECL_CMD_FUNC2(set80211cwmin, ac, val)
{
set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
}
static
DECL_CMD_FUNC2(set80211cwmax, ac, val)
{
set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
}
static
DECL_CMD_FUNC2(set80211aifs, ac, val)
{
set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
}
static
DECL_CMD_FUNC2(set80211txoplimit, ac, val)
{
set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
}
static
DECL_CMD_FUNC(set80211acm, ac, d)
{
set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
}
static
DECL_CMD_FUNC(set80211noacm, ac, d)
{
set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
}
static
DECL_CMD_FUNC(set80211ackpolicy, ac, d)
{
set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
}
static
DECL_CMD_FUNC(set80211noackpolicy, ac, d)
{
set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
}
static
DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
{
set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
}
static
DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
{
set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
}
static
DECL_CMD_FUNC2(set80211bssaifs, ac, val)
{
set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
}
static
DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
{
set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
}
static
DECL_CMD_FUNC(set80211dtimperiod, val, d)
{
set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
}
static
DECL_CMD_FUNC(set80211bintval, val, d)
{
set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
}
static void
set80211macmac(int s, int op, const char *val)
{
char *temp;
struct sockaddr_dl sdl;
temp = malloc(strlen(val) + 2); /* ':' and '\0' */
if (temp == NULL)
errx(1, "malloc failed");
temp[0] = ':';
strcpy(temp + 1, val);
sdl.sdl_len = sizeof(sdl);
link_addr(temp, &sdl);
free(temp);
if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
errx(1, "malformed link-level address");
set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
}
static
DECL_CMD_FUNC(set80211addmac, val, d)
{
set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
}
static
DECL_CMD_FUNC(set80211delmac, val, d)
{
set80211macmac(s, IEEE80211_IOC_DELMAC, val);
}
static
DECL_CMD_FUNC(set80211kickmac, val, d)
{
char *temp;
struct sockaddr_dl sdl;
struct ieee80211req_mlme mlme;
temp = malloc(strlen(val) + 2); /* ':' and '\0' */
if (temp == NULL)
errx(1, "malloc failed");
temp[0] = ':';
strcpy(temp + 1, val);
sdl.sdl_len = sizeof(sdl);
link_addr(temp, &sdl);
free(temp);
if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
errx(1, "malformed link-level address");
memset(&mlme, 0, sizeof(mlme));
mlme.im_op = IEEE80211_MLME_DEAUTH;
mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), (u_int8_t *) &mlme);
}
static
DECL_CMD_FUNC(set80211maccmd, val, d)
{
set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
}
static void
set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
}
static void
set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
{
set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
}
static
DECL_CMD_FUNC(set80211mcastrate, val, d)
{
set80211(s, IEEE80211_IOC_MCAST_RATE, (int) 2*atof(val), 0, NULL);
}
static
DECL_CMD_FUNC(set80211fragthreshold, val, d)
{
set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
}
static
DECL_CMD_FUNC(set80211bmissthreshold, val, d)
{
set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
}
static int
getmaxrate(uint8_t rates[15], uint8_t nrates)
{
int i, maxrate = -1;
for (i = 0; i < nrates; i++) {
int rate = rates[i] & IEEE80211_RATE_VAL;
if (rate > maxrate)
maxrate = rate;
}
return maxrate / 2;
}
static const char *
getcaps(int capinfo)
{
static char capstring[32];
char *cp = capstring;
if (capinfo & IEEE80211_CAPINFO_ESS)
*cp++ = 'E';
if (capinfo & IEEE80211_CAPINFO_IBSS)
*cp++ = 'I';
if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
*cp++ = 'c';
if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
*cp++ = 'C';
if (capinfo & IEEE80211_CAPINFO_PRIVACY)
*cp++ = 'P';
if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
*cp++ = 'S';
if (capinfo & IEEE80211_CAPINFO_PBCC)
*cp++ = 'B';
if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
*cp++ = 'A';
if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
*cp++ = 's';
if (capinfo & IEEE80211_CAPINFO_RSN)
*cp++ = 'R';
if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
*cp++ = 'D';
*cp = '\0';
return capstring;
}
static const char *
getflags(int flags)
{
/* XXX need these publicly defined or similar */
#define IEEE80211_NODE_AUTH 0x0001 /* authorized for data */
#define IEEE80211_NODE_QOS 0x0002 /* QoS enabled */
#define IEEE80211_NODE_ERP 0x0004 /* ERP enabled */
#define IEEE80211_NODE_PWR_MGT 0x0010 /* power save mode enabled */
static char flagstring[32];
char *cp = flagstring;
if (flags & IEEE80211_NODE_AUTH)
*cp++ = 'A';
if (flags & IEEE80211_NODE_QOS)
*cp++ = 'Q';
if (flags & IEEE80211_NODE_ERP)
*cp++ = 'E';
if (flags & IEEE80211_NODE_PWR_MGT)
*cp++ = 'P';
*cp = '\0';
return flagstring;
#undef IEEE80211_NODE_AUTH
#undef IEEE80211_NODE_QOS
#undef IEEE80211_NODE_ERP
#undef IEEE80211_NODE_PWR_MGT
}
static void
printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
{
printf("%s", tag);
if (verbose) {
maxlen -= strlen(tag)+2;
if (2*ielen > maxlen)
maxlen--;
printf("<");
for (; ielen > 0; ie++, ielen--) {
if (maxlen-- <= 0)
break;
printf("%02x", *ie);
}
if (ielen != 0)
printf("-");
printf(">");
}
}
/*
* Copy the ssid string contents into buf, truncating to fit. If the
* ssid is entirely printable then just copy intact. Otherwise convert
* to hexadecimal. If the result is truncated then replace the last
* three characters with "...".
*/
static int
copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
{
const u_int8_t *p;
size_t maxlen;
int i;
if (essid_len > bufsize)
maxlen = bufsize;
else
maxlen = essid_len;
/* determine printable or not */
for (i = 0, p = essid; i < maxlen; i++, p++) {
if (*p < ' ' || *p > 0x7e)
break;
}
if (i != maxlen) { /* not printable, print as hex */
if (bufsize < 3)
return 0;
strlcpy(buf, "0x", bufsize);
bufsize -= 2;
p = essid;
for (i = 0; i < maxlen && bufsize >= 2; i++) {
sprintf(&buf[2+2*i], "%02x", p[i]);
bufsize -= 2;
}
if (i != essid_len)
memcpy(&buf[2+2*i-3], "...", 3);
} else { /* printable, truncate as needed */
memcpy(buf, essid, maxlen);
if (maxlen != essid_len)
memcpy(&buf[maxlen-3], "...", 3);
}
return maxlen;
}
/* unaligned little endian access */
#define LE_READ_4(p) \
((u_int32_t) \
((((const u_int8_t *)(p))[0] ) | \
(((const u_int8_t *)(p))[1] << 8) | \
(((const u_int8_t *)(p))[2] << 16) | \
(((const u_int8_t *)(p))[3] << 24)))
static int __inline
iswpaoui(const u_int8_t *frm)
{
return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
}
static int __inline
iswmeoui(const u_int8_t *frm)
{
return frm[1] > 3 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI);
}
static int __inline
isatherosoui(const u_int8_t *frm)
{
return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
}
static void
printies(const u_int8_t *vp, int ielen, int maxcols)
{
while (ielen > 0) {
switch (vp[0]) {
case IEEE80211_ELEMID_VENDOR:
if (iswpaoui(vp))
printie(" WPA", vp, 2+vp[1], maxcols);
else if (iswmeoui(vp))
printie(" WME", vp, 2+vp[1], maxcols);
else if (isatherosoui(vp))
printie(" ATH", vp, 2+vp[1], maxcols);
else
printie(" VEN", vp, 2+vp[1], maxcols);
break;
case IEEE80211_ELEMID_RSN:
printie(" RSN", vp, 2+vp[1], maxcols);
break;
default:
printie(" ???", vp, 2+vp[1], maxcols);
break;
}
ielen -= 2+vp[1];
vp += 2+vp[1];
}
}
static void
list_scan(int s)
{
uint8_t buf[24*1024];
struct ieee80211req ireq;
char ssid[IEEE80211_NWID_LEN+1];
uint8_t *cp;
int len, ssidmax;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_SCAN_RESULTS;
ireq.i_data = buf;
ireq.i_len = sizeof(buf);
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get scan results");
len = ireq.i_len;
if (len < sizeof(struct ieee80211req_scan_result))
return;
ssidmax = verbose ? IEEE80211_NWID_LEN : 14;
printf("%-*.*s %-17.17s %4s %4s %-5s %3s %4s\n"
, ssidmax, ssidmax, "SSID"
, "BSSID"
, "CHAN"
, "RATE"
, "S:N"
, "INT"
, "CAPS"
);
cp = buf;
do {
struct ieee80211req_scan_result *sr;
uint8_t *vp;
sr = (struct ieee80211req_scan_result *) cp;
vp = (u_int8_t *)(sr+1);
printf("%-*.*s %s %3d %3dM %2d:%-2d %3d %-4.4s"
, ssidmax
, copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len)
, ssid
, ether_ntoa((const struct ether_addr *) sr->isr_bssid)
, ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
, getmaxrate(sr->isr_rates, sr->isr_nrates)
, sr->isr_rssi, sr->isr_noise
, sr->isr_intval
, getcaps(sr->isr_capinfo)
);
printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24);;
printf("\n");
cp += sr->isr_len, len -= sr->isr_len;
} while (len >= sizeof(struct ieee80211req_scan_result));
}
#include <net80211/ieee80211_freebsd.h>
static void
scan_and_wait(int s)
{
struct ieee80211req ireq;
int sroute;
sroute = socket(PF_ROUTE, SOCK_RAW, 0);
if (sroute < 0) {
perror("socket(PF_ROUTE,SOCK_RAW)");
return;
}
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_SCAN_REQ;
/* NB: only root can trigger a scan so ignore errors */
if (ioctl(s, SIOCS80211, &ireq) >= 0) {
char buf[2048];
struct if_announcemsghdr *ifan;
struct rt_msghdr *rtm;
do {
if (read(sroute, buf, sizeof(buf)) < 0) {
perror("read(PF_ROUTE)");
break;
}
rtm = (struct rt_msghdr *) buf;
if (rtm->rtm_version != RTM_VERSION)
break;
ifan = (struct if_announcemsghdr *) rtm;
} while (rtm->rtm_type != RTM_IEEE80211 ||
ifan->ifan_what != RTM_IEEE80211_SCAN);
}
close(sroute);
}
static
DECL_CMD_FUNC(set80211scan, val, d)
{
scan_and_wait(s);
list_scan(s);
}
static enum ieee80211_opmode get80211opmode(int s);
static void
list_stations(int s)
{
union {
struct ieee80211req_sta_req req;
uint8_t buf[24*1024];
} u;
enum ieee80211_opmode opmode = get80211opmode(s);
struct ieee80211req ireq;
uint8_t *cp;
int len;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
/* broadcast address =>'s get all stations */
(void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
if (opmode == IEEE80211_M_STA) {
/*
* Get information about the associated AP.
*/
ireq.i_type = IEEE80211_IOC_BSSID;
ireq.i_data = u.req.is_u.macaddr;
ireq.i_len = IEEE80211_ADDR_LEN;
(void) ioctl(s, SIOCG80211, &ireq);
}
ireq.i_type = IEEE80211_IOC_STA_INFO;
ireq.i_data = &u;
ireq.i_len = sizeof(u);
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get station information");
len = ireq.i_len;
if (len < sizeof(struct ieee80211req_sta_info))
return;
printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n"
, "ADDR"
, "AID"
, "CHAN"
, "RATE"
, "RSSI"
, "IDLE"
, "TXSEQ"
, "RXSEQ"
, "CAPS"
, "FLAG"
);
cp = (uint8_t *) u.req.info;
do {
struct ieee80211req_sta_info *si;
uint8_t *vp;
si = (struct ieee80211req_sta_info *) cp;
if (si->isi_len < sizeof(*si))
break;
vp = (u_int8_t *)(si+1);
printf("%s %4u %4d %3dM %4d %4d %6d %6d %-4.4s %-4.4s"
, ether_ntoa((const struct ether_addr*) si->isi_macaddr)
, IEEE80211_AID(si->isi_associd)
, ieee80211_mhz2ieee(si->isi_freq, si->isi_flags)
, (si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL)/2
, si->isi_rssi
, si->isi_inact
, si->isi_txseqs[0]
, si->isi_rxseqs[0]
, getcaps(si->isi_capinfo)
, getflags(si->isi_state)
);
printies(vp, si->isi_ie_len, 24);
printf("\n");
cp += si->isi_len, len -= si->isi_len;
} while (len >= sizeof(struct ieee80211req_sta_info));
}
static void
print_chaninfo(const struct ieee80211_channel *c)
{
#define IEEE80211_IS_CHAN_PASSIVE(_c) \
(((_c)->ic_flags & IEEE80211_CHAN_PASSIVE))
char buf[14];
buf[0] = '\0';
if (IEEE80211_IS_CHAN_FHSS(c))
strlcat(buf, " FHSS", sizeof(buf));
if (IEEE80211_IS_CHAN_A(c)) {
if (IEEE80211_IS_CHAN_HALF(c))
strlcat(buf, " 11a/10Mhz", sizeof(buf));
else if (IEEE80211_IS_CHAN_QUARTER(c))
strlcat(buf, " 11a/5Mhz", sizeof(buf));
else
strlcat(buf, " 11a", sizeof(buf));
}
if (IEEE80211_IS_CHAN_ANYG(c)) {
if (IEEE80211_IS_CHAN_HALF(c))
strlcat(buf, " 11g/10Mhz", sizeof(buf));
else if (IEEE80211_IS_CHAN_QUARTER(c))
strlcat(buf, " 11g/5Mhz", sizeof(buf));
else
strlcat(buf, " 11g", sizeof(buf));
} else if (IEEE80211_IS_CHAN_B(c))
strlcat(buf, " 11b", sizeof(buf));
if (IEEE80211_IS_CHAN_T(c))
strlcat(buf, " Turbo", sizeof(buf));
printf("Channel %3u : %u%c Mhz%-14.14s",
ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', buf);
#undef IEEE80211_IS_CHAN_PASSIVE
}
static void
list_channels(int s, int allchans)
{
struct ieee80211req ireq;
struct ieee80211req_chaninfo chans;
struct ieee80211req_chaninfo achans;
const struct ieee80211_channel *c;
int i, half, ieee;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_CHANINFO;
ireq.i_data = &chans;
ireq.i_len = sizeof(chans);
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get channel information");
if (!allchans) {
struct ieee80211req_chanlist active;
ireq.i_type = IEEE80211_IOC_CHANLIST;
ireq.i_data = &active;
ireq.i_len = sizeof(active);
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get active channel list");
memset(&achans, 0, sizeof(achans));
for (i = 0; i < chans.ic_nchans; i++) {
c = &chans.ic_chans[i];
ieee = ieee80211_mhz2ieee(c->ic_freq, c->ic_flags);
if (isset(active.ic_channels, ieee) || allchans)
achans.ic_chans[achans.ic_nchans++] = *c;
}
} else
achans = chans;
half = achans.ic_nchans / 2;
if (achans.ic_nchans % 2)
half++;
for (i = 0; i < achans.ic_nchans / 2; i++) {
print_chaninfo(&achans.ic_chans[i]);
print_chaninfo(&achans.ic_chans[half+i]);
printf("\n");
}
if (achans.ic_nchans % 2) {
print_chaninfo(&achans.ic_chans[i]);
printf("\n");
}
}
static void
list_keys(int s)
{
}
#define IEEE80211_C_BITS \
"\020\1WEP\2TKIP\3AES\4AES_CCM\6CKIP\11IBSS\12PMGT\13HOSTAP\14AHDEMO" \
"\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE\21MONITOR\22TKIPMIC\30WPA1" \
"\31WPA2\32BURST\33WME"
static void
list_capabilities(int s)
{
struct ieee80211req ireq;
u_int32_t caps;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_DRIVER_CAPS;
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get driver capabilities");
caps = (((u_int16_t) ireq.i_val) << 16) | ((u_int16_t) ireq.i_len);
printb(name, caps, IEEE80211_C_BITS);
putchar('\n');
}
static void
list_wme(int s)
{
static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
struct ieee80211req ireq;
int ac;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_len = 0;
for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
again:
if (ireq.i_len & IEEE80211_WMEPARAM_BSS)
printf("\t%s", " ");
else
printf("\t%s", acnames[ac]);
ireq.i_len = (ireq.i_len & IEEE80211_WMEPARAM_BSS) | ac;
/* show WME BSS parameters */
ireq.i_type = IEEE80211_IOC_WME_CWMIN;
if (ioctl(s, SIOCG80211, &ireq) != -1)
printf(" cwmin %2u", ireq.i_val);
ireq.i_type = IEEE80211_IOC_WME_CWMAX;
if (ioctl(s, SIOCG80211, &ireq) != -1)
printf(" cwmax %2u", ireq.i_val);
ireq.i_type = IEEE80211_IOC_WME_AIFS;
if (ioctl(s, SIOCG80211, &ireq) != -1)
printf(" aifs %2u", ireq.i_val);
ireq.i_type = IEEE80211_IOC_WME_TXOPLIMIT;
if (ioctl(s, SIOCG80211, &ireq) != -1)
printf(" txopLimit %3u", ireq.i_val);
ireq.i_type = IEEE80211_IOC_WME_ACM;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
printf(" acm");
else if (verbose)
printf(" -acm");
}
/* !BSS only */
if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) {
ireq.i_type = IEEE80211_IOC_WME_ACKPOLICY;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (!ireq.i_val)
printf(" -ack");
else if (verbose)
printf(" ack");
}
}
printf("\n");
if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) {
ireq.i_len |= IEEE80211_WMEPARAM_BSS;
goto again;
} else
ireq.i_len &= ~IEEE80211_WMEPARAM_BSS;
}
}
static void
list_mac(int s)
{
struct ieee80211req ireq;
struct ieee80211req_maclist *acllist;
int i, nacls, policy;
char c;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
ireq.i_type = IEEE80211_IOC_MACCMD;
ireq.i_val = IEEE80211_MACCMD_POLICY;
if (ioctl(s, SIOCG80211, &ireq) < 0) {
if (errno == EINVAL) {
printf("No acl policy loaded\n");
return;
}
err(1, "unable to get mac policy");
}
policy = ireq.i_val;
ireq.i_val = IEEE80211_MACCMD_LIST;
ireq.i_len = 0;
if (ioctl(s, SIOCG80211, &ireq) < 0)
err(1, "unable to get mac acl list size");
if (ireq.i_len == 0) /* NB: no acls */
return;
ireq.i_data = malloc(ireq.i_len);
if (ireq.i_data == NULL)
err(1, "out of memory for acl list");
if (ioctl(s, SIOCG80211, &ireq) < 0)
err(1, "unable to get mac acl list");
if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
if (verbose)
printf("policy: open\n");
c = '*';
} else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
if (verbose)
printf("policy: allow\n");
c = '+';
} else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
if (verbose)
printf("policy: deny\n");
c = '-';
} else {
printf("policy: unknown (%u)\n", policy);
c = '?';
}
nacls = ireq.i_len / sizeof(*acllist);
acllist = (struct ieee80211req_maclist *) ireq.i_data;
for (i = 0; i < nacls; i++)
printf("%c%s\n", c, ether_ntoa(
(const struct ether_addr *) acllist[i].ml_macaddr));
}
static
DECL_CMD_FUNC(set80211list, arg, d)
{
#define iseq(a,b) (strncasecmp(a,b,sizeof(b)-1) == 0)
if (iseq(arg, "sta"))
list_stations(s);
else if (iseq(arg, "scan") || iseq(arg, "ap"))
list_scan(s);
else if (iseq(arg, "chan") || iseq(arg, "freq"))
list_channels(s, 1);
else if (iseq(arg, "active"))
list_channels(s, 0);
else if (iseq(arg, "keys"))
list_keys(s);
else if (iseq(arg, "caps"))
list_capabilities(s);
else if (iseq(arg, "wme"))
list_wme(s);
else if (iseq(arg, "mac"))
list_mac(s);
else
errx(1, "Don't know how to list %s for %s", arg, name);
#undef iseq
}
static enum ieee80211_opmode
get80211opmode(int s)
{
struct ifmediareq ifmr;
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
if (ifmr.ifm_current & IFM_IEEE80211_ADHOC)
return IEEE80211_M_IBSS; /* XXX ahdemo */
if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
return IEEE80211_M_HOSTAP;
if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
return IEEE80211_M_MONITOR;
}
return IEEE80211_M_STA;
}
static const struct ieee80211_channel *
getchaninfo(int s, int chan)
{
struct ieee80211req ireq;
static struct ieee80211req_chaninfo chans;
static struct ieee80211_channel undef;
const struct ieee80211_channel *c;
int i, freq;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = IEEE80211_IOC_CHANINFO;
ireq.i_data = &chans;
ireq.i_len = sizeof(chans);
if (ioctl(s, SIOCG80211, &ireq) < 0)
errx(1, "unable to get channel information");
freq = ieee80211_ieee2mhz(chan);
for (i = 0; i < chans.ic_nchans; i++) {
c = &chans.ic_chans[i];
if (c->ic_freq == freq)
return c;
}
return &undef;
}
#if 0
static void
printcipher(int s, struct ieee80211req *ireq, int keylenop)
{
switch (ireq->i_val) {
case IEEE80211_CIPHER_WEP:
ireq->i_type = keylenop;
if (ioctl(s, SIOCG80211, ireq) != -1)
printf("WEP-%s",
ireq->i_len <= 5 ? "40" :
ireq->i_len <= 13 ? "104" : "128");
else
printf("WEP");
break;
case IEEE80211_CIPHER_TKIP:
printf("TKIP");
break;
case IEEE80211_CIPHER_AES_OCB:
printf("AES-OCB");
break;
case IEEE80211_CIPHER_AES_CCM:
printf("AES-CCM");
break;
case IEEE80211_CIPHER_CKIP:
printf("CKIP");
break;
case IEEE80211_CIPHER_NONE:
printf("NONE");
break;
default:
printf("UNKNOWN (0x%x)", ireq->i_val);
break;
}
}
#endif
#define MAXCOL 78
static int col;
static char spacer;
static void
LINE_BREAK(void)
{
if (spacer != '\t') {
printf("\n");
spacer = '\t';
}
col = 8; /* 8-col tab */
}
static void
LINE_CHECK(const char *fmt, ...)
{
char buf[80];
va_list ap;
int n;
va_start(ap, fmt);
n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
va_end(ap);
col += 1+n;
if (col > MAXCOL) {
LINE_BREAK();
col += n;
}
buf[0] = spacer;
printf("%s", buf);
spacer = ' ';
}
static void
printkey(const struct ieee80211req_key *ik)
{
static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
int keylen = ik->ik_keylen;
int printcontents;
printcontents = printkeys &&
(memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
if (printcontents)
LINE_BREAK();
switch (ik->ik_type) {
case IEEE80211_CIPHER_WEP:
/* compatibility */
LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
keylen <= 5 ? "40-bit" :
keylen <= 13 ? "104-bit" : "128-bit");
break;
case IEEE80211_CIPHER_TKIP:
if (keylen > 128/8)
keylen -= 128/8; /* ignore MIC for now */
LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
break;
case IEEE80211_CIPHER_AES_OCB:
LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
break;
case IEEE80211_CIPHER_AES_CCM:
LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
break;
case IEEE80211_CIPHER_CKIP:
LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
break;
case IEEE80211_CIPHER_NONE:
LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
break;
default:
LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
ik->ik_type, ik->ik_keyix+1, 8*keylen);
break;
}
if (printcontents) {
int i;
printf(" <");
for (i = 0; i < keylen; i++)
printf("%02x", ik->ik_keydata[i]);
printf(">");
if (ik->ik_type != IEEE80211_CIPHER_WEP &&
(ik->ik_keyrsc != 0 || verbose))
printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
if (ik->ik_type != IEEE80211_CIPHER_WEP &&
(ik->ik_keytsc != 0 || verbose))
printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
if (ik->ik_flags != 0 && verbose) {
const char *sep = " ";
if (ik->ik_flags & IEEE80211_KEY_XMIT)
printf("%stx", sep), sep = "+";
if (ik->ik_flags & IEEE80211_KEY_RECV)
printf("%srx", sep), sep = "+";
if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
printf("%sdef", sep), sep = "+";
}
LINE_BREAK();
}
}
static void
ieee80211_status(int s)
{
static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
enum ieee80211_opmode opmode = get80211opmode(s);
int i, num, wpa, wme;
struct ieee80211req ireq;
u_int8_t data[32];
const struct ieee80211_channel *c;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_data = &data;
wpa = 0; /* unknown/not set */
ireq.i_type = IEEE80211_IOC_SSID;
ireq.i_val = -1;
if (ioctl(s, SIOCG80211, &ireq) < 0) {
/* If we can't get the SSID, this isn't an 802.11 device. */
return;
}
num = 0;
ireq.i_type = IEEE80211_IOC_NUMSSIDS;
if (ioctl(s, SIOCG80211, &ireq) >= 0)
num = ireq.i_val;
printf("\tssid ");
if (num > 1) {
ireq.i_type = IEEE80211_IOC_SSID;
for (ireq.i_val = 0; ireq.i_val < num; ireq.i_val++) {
if (ioctl(s, SIOCG80211, &ireq) >= 0 && ireq.i_len > 0) {
printf(" %d:", ireq.i_val + 1);
print_string(data, ireq.i_len);
}
}
} else
print_string(data, ireq.i_len);
ireq.i_type = IEEE80211_IOC_CHANNEL;
if (ioctl(s, SIOCG80211, &ireq) < 0)
goto end;
c = getchaninfo(s, ireq.i_val);
if (ireq.i_val != -1) {
printf(" channel %d", ireq.i_val);
if (verbose)
printf(" (%u)", c->ic_freq);
} else if (verbose)
printf(" channel UNDEF");
ireq.i_type = IEEE80211_IOC_BSSID;
ireq.i_len = IEEE80211_ADDR_LEN;
if (ioctl(s, SIOCG80211, &ireq) >= 0 &&
(memcmp(ireq.i_data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
printf(" bssid %s", ether_ntoa(ireq.i_data));
ireq.i_type = IEEE80211_IOC_STATIONNAME;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
printf("\n\tstationname ");
print_string(data, ireq.i_len);
}
spacer = ' '; /* force first break */
LINE_BREAK();
ireq.i_type = IEEE80211_IOC_AUTHMODE;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
switch (ireq.i_val) {
case IEEE80211_AUTH_NONE:
LINE_CHECK("authmode NONE");
break;
case IEEE80211_AUTH_OPEN:
LINE_CHECK("authmode OPEN");
break;
case IEEE80211_AUTH_SHARED:
LINE_CHECK("authmode SHARED");
break;
case IEEE80211_AUTH_8021X:
LINE_CHECK("authmode 802.1x");
break;
case IEEE80211_AUTH_WPA:
ireq.i_type = IEEE80211_IOC_WPA;
if (ioctl(s, SIOCG80211, &ireq) != -1)
wpa = ireq.i_val;
if (!wpa)
wpa = 1; /* default to WPA1 */
switch (wpa) {
case 2:
LINE_CHECK("authmode WPA2/802.11i");
break;
case 3:
LINE_CHECK("authmode WPA1+WPA2/802.11i");
break;
default:
LINE_CHECK("authmode WPA");
break;
}
break;
case IEEE80211_AUTH_AUTO:
LINE_CHECK("authmode AUTO");
break;
default:
LINE_CHECK("authmode UNKNOWN (0x%x)",
ireq.i_val);
break;
}
}
ireq.i_type = IEEE80211_IOC_WEP;
if (ioctl(s, SIOCG80211, &ireq) != -1 &&
ireq.i_val != IEEE80211_WEP_NOSUP) {
int firstkey, wepmode;
wepmode = ireq.i_val;
switch (wepmode) {
case IEEE80211_WEP_OFF:
LINE_CHECK("privacy OFF");
break;
case IEEE80211_WEP_ON:
LINE_CHECK("privacy ON");
break;
case IEEE80211_WEP_MIXED:
LINE_CHECK("privacy MIXED");
break;
default:
LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
break;
}
/*
* If we get here then we've got WEP support so we need
* to print WEP status.
*/
ireq.i_type = IEEE80211_IOC_WEPTXKEY;
if (ioctl(s, SIOCG80211, &ireq) < 0) {
warn("WEP support, but no tx key!");
goto end;
}
if (ireq.i_val != -1)
LINE_CHECK("deftxkey %d", ireq.i_val+1);
else if (wepmode != IEEE80211_WEP_OFF || verbose)
LINE_CHECK("deftxkey UNDEF");
ireq.i_type = IEEE80211_IOC_NUMWEPKEYS;
if (ioctl(s, SIOCG80211, &ireq) < 0) {
warn("WEP support, but no NUMWEPKEYS support!");
goto end;
}
num = ireq.i_val;
firstkey = 1;
for (i = 0; i < num; i++) {
struct ieee80211req_key ik;
memset(&ik, 0, sizeof(ik));
ik.ik_keyix = i;
ireq.i_type = IEEE80211_IOC_WPAKEY;
ireq.i_data = &ik;
ireq.i_len = sizeof(ik);
if (ioctl(s, SIOCG80211, &ireq) < 0) {
warn("WEP support, but can get keys!");
goto end;
}
if (ik.ik_keylen != 0) {
if (verbose)
LINE_BREAK();
printkey(&ik);
firstkey = 0;
}
}
}
ireq.i_type = IEEE80211_IOC_POWERSAVE;
if (ioctl(s, SIOCG80211, &ireq) != -1 &&
ireq.i_val != IEEE80211_POWERSAVE_NOSUP ) {
if (ireq.i_val != IEEE80211_POWERSAVE_OFF || verbose) {
switch (ireq.i_val) {
case IEEE80211_POWERSAVE_OFF:
LINE_CHECK("powersavemode OFF");
break;
case IEEE80211_POWERSAVE_CAM:
LINE_CHECK("powersavemode CAM");
break;
case IEEE80211_POWERSAVE_PSP:
LINE_CHECK("powersavemode PSP");
break;
case IEEE80211_POWERSAVE_PSP_CAM:
LINE_CHECK("powersavemode PSP-CAM");
break;
}
ireq.i_type = IEEE80211_IOC_POWERSAVESLEEP;
if (ioctl(s, SIOCG80211, &ireq) != -1)
LINE_CHECK("powersavesleep %d", ireq.i_val);
}
}
ireq.i_type = IEEE80211_IOC_TXPOWMAX;
if (ioctl(s, SIOCG80211, &ireq) != -1)
LINE_CHECK("txpowmax %d", ireq.i_val);
if (verbose) {
ireq.i_type = IEEE80211_IOC_TXPOWER;
if (ioctl(s, SIOCG80211, &ireq) != -1)
LINE_CHECK("txpower %d", ireq.i_val);
}
ireq.i_type = IEEE80211_IOC_RTSTHRESHOLD;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != IEEE80211_RTS_MAX || verbose)
LINE_CHECK("rtsthreshold %d", ireq.i_val);
}
ireq.i_type = IEEE80211_IOC_MCAST_RATE;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != 2*1 || verbose) {
if (ireq.i_val == 11)
LINE_CHECK("mcastrate 5.5");
else
LINE_CHECK("mcastrate %d", ireq.i_val/2);
}
}
ireq.i_type = IEEE80211_IOC_FRAGTHRESHOLD;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != IEEE80211_FRAG_MAX || verbose)
LINE_CHECK("fragthreshold %d", ireq.i_val);
}
ireq.i_type = IEEE80211_IOC_BMISSTHRESHOLD;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != IEEE80211_HWBMISS_MAX || verbose)
LINE_CHECK("bmiss %d", ireq.i_val);
}
if (IEEE80211_IS_CHAN_ANYG(c) || verbose) {
ireq.i_type = IEEE80211_IOC_PUREG;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
LINE_CHECK("pureg");
else if (verbose)
LINE_CHECK("-pureg");
}
ireq.i_type = IEEE80211_IOC_PROTMODE;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
switch (ireq.i_val) {
case IEEE80211_PROTMODE_OFF:
LINE_CHECK("protmode OFF");
break;
case IEEE80211_PROTMODE_CTS:
LINE_CHECK("protmode CTS");
break;
case IEEE80211_PROTMODE_RTSCTS:
LINE_CHECK("protmode RTSCTS");
break;
default:
LINE_CHECK("protmode UNKNOWN (0x%x)",
ireq.i_val);
break;
}
}
}
ireq.i_type = IEEE80211_IOC_WME;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
wme = ireq.i_val;
if (wme)
LINE_CHECK("wme");
else if (verbose)
LINE_CHECK("-wme");
} else
wme = 0;
ireq.i_type = IEEE80211_IOC_BURST;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
LINE_CHECK("burst");
else if (verbose)
LINE_CHECK("-burst");
}
if (opmode == IEEE80211_M_HOSTAP) {
ireq.i_type = IEEE80211_IOC_HIDESSID;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
LINE_CHECK("ssid HIDE");
else if (verbose)
LINE_CHECK("ssid SHOW");
}
ireq.i_type = IEEE80211_IOC_APBRIDGE;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (!ireq.i_val)
LINE_CHECK("-apbridge");
else if (verbose)
LINE_CHECK("apbridge");
}
ireq.i_type = IEEE80211_IOC_DTIM_PERIOD;
if (ioctl(s, SIOCG80211, &ireq) != -1)
LINE_CHECK("dtimperiod %u", ireq.i_val);
} else {
ireq.i_type = IEEE80211_IOC_ROAMING;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != IEEE80211_ROAMING_AUTO || verbose) {
switch (ireq.i_val) {
case IEEE80211_ROAMING_DEVICE:
LINE_CHECK("roaming DEVICE");
break;
case IEEE80211_ROAMING_AUTO:
LINE_CHECK("roaming AUTO");
break;
case IEEE80211_ROAMING_MANUAL:
LINE_CHECK("roaming MANUAL");
break;
default:
LINE_CHECK("roaming UNKNOWN (0x%x)",
ireq.i_val);
break;
}
}
}
}
ireq.i_type = IEEE80211_IOC_BEACON_INTERVAL;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
LINE_CHECK("bintval %u", ireq.i_val);
else if (verbose)
LINE_CHECK("bintval %u", ireq.i_val);
}
if (wme && verbose) {
LINE_BREAK();
list_wme(s);
}
if (wpa) {
ireq.i_type = IEEE80211_IOC_COUNTERMEASURES;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val)
LINE_CHECK("countermeasures");
else if (verbose)
LINE_CHECK("-countermeasures");
}
#if 0
/* XXX not interesting with WPA done in user space */
ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
}
ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
LINE_CHECK("mcastcipher ");
printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
spacer = ' ';
}
ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
LINE_CHECK("ucastcipher ");
printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
}
if (wpa & 2) {
ireq.i_type = IEEE80211_IOC_RSNCAPS;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
LINE_CHECK("RSN caps 0x%x", ireq.i_val);
spacer = ' ';
}
}
ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
}
#endif
LINE_BREAK();
}
LINE_BREAK();
end:
return;
}
static void
set80211(int s, int type, int val, int len, u_int8_t *data)
{
struct ieee80211req ireq;
(void) memset(&ireq, 0, sizeof(ireq));
(void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
ireq.i_type = type;
ireq.i_val = val;
ireq.i_len = len;
ireq.i_data = data;
if (ioctl(s, SIOCS80211, &ireq) < 0)
err(1, "SIOCS80211");
}
static const char *
get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
{
int len;
int hexstr;
u_int8_t *p;
len = *lenp;
p = buf;
hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
if (hexstr)
val += 2;
for (;;) {
if (*val == '\0')
break;
if (sep != NULL && strchr(sep, *val) != NULL) {
val++;
break;
}
if (hexstr) {
if (!isxdigit((u_char)val[0])) {
warnx("bad hexadecimal digits");
return NULL;
}
if (!isxdigit((u_char)val[1])) {
warnx("odd count hexadecimal digits");
return NULL;
}
}
if (p >= buf + len) {
if (hexstr)
warnx("hexadecimal digits too long");
else
warnx("string too long");
return NULL;
}
if (hexstr) {
#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
*p++ = (tohex((u_char)val[0]) << 4) |
tohex((u_char)val[1]);
#undef tohex
val += 2;
} else
*p++ = *val++;
}
len = p - buf;
/* The string "-" is treated as the empty string. */
if (!hexstr && len == 1 && buf[0] == '-') {
len = 0;
memset(buf, 0, *lenp);
} else 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]);
}
}
static struct cmd ieee80211_cmds[] = {
DEF_CMD_ARG("ssid", set80211ssid),
DEF_CMD_ARG("nwid", set80211ssid),
DEF_CMD_ARG("stationname", set80211stationname),
DEF_CMD_ARG("station", set80211stationname), /* BSD/OS */
DEF_CMD_ARG("channel", set80211channel),
DEF_CMD_ARG("authmode", set80211authmode),
DEF_CMD_ARG("powersavemode", set80211powersavemode),
DEF_CMD("powersave", 1, set80211powersave),
DEF_CMD("-powersave", 0, set80211powersave),
DEF_CMD_ARG("powersavesleep", set80211powersavesleep),
DEF_CMD_ARG("wepmode", set80211wepmode),
DEF_CMD("wep", 1, set80211wep),
DEF_CMD("-wep", 0, set80211wep),
DEF_CMD_ARG("deftxkey", set80211weptxkey),
DEF_CMD_ARG("weptxkey", set80211weptxkey),
DEF_CMD_ARG("wepkey", set80211wepkey),
DEF_CMD_ARG("nwkey", set80211nwkey), /* NetBSD */
DEF_CMD("-nwkey", 0, set80211wep), /* NetBSD */
DEF_CMD_ARG("rtsthreshold", set80211rtsthreshold),
DEF_CMD_ARG("protmode", set80211protmode),
DEF_CMD_ARG("txpower", set80211txpower),
DEF_CMD_ARG("roaming", set80211roaming),
DEF_CMD("wme", 1, set80211wme),
DEF_CMD("-wme", 0, set80211wme),
DEF_CMD("hidessid", 1, set80211hidessid),
DEF_CMD("-hidessid", 0, set80211hidessid),
DEF_CMD("apbridge", 1, set80211apbridge),
DEF_CMD("-apbridge", 0, set80211apbridge),
DEF_CMD_ARG("chanlist", set80211chanlist),
DEF_CMD_ARG("bssid", set80211bssid),
DEF_CMD_ARG("ap", set80211bssid),
DEF_CMD("scan", 0, set80211scan),
DEF_CMD_ARG("list", set80211list),
DEF_CMD_ARG2("cwmin", set80211cwmin),
DEF_CMD_ARG2("cwmax", set80211cwmax),
DEF_CMD_ARG2("aifs", set80211aifs),
DEF_CMD_ARG2("txoplimit", set80211txoplimit),
DEF_CMD_ARG("acm", set80211acm),
DEF_CMD_ARG("-acm", set80211noacm),
DEF_CMD_ARG("ack", set80211ackpolicy),
DEF_CMD_ARG("-ack", set80211noackpolicy),
DEF_CMD_ARG2("bss:cwmin", set80211bsscwmin),
DEF_CMD_ARG2("bss:cwmax", set80211bsscwmax),
DEF_CMD_ARG2("bss:aifs", set80211bssaifs),
DEF_CMD_ARG2("bss:txoplimit", set80211bsstxoplimit),
DEF_CMD_ARG("dtimperiod", set80211dtimperiod),
DEF_CMD_ARG("bintval", set80211bintval),
DEF_CMD("mac:open", IEEE80211_MACCMD_POLICY_OPEN, set80211maccmd),
DEF_CMD("mac:allow", IEEE80211_MACCMD_POLICY_ALLOW, set80211maccmd),
DEF_CMD("mac:deny", IEEE80211_MACCMD_POLICY_DENY, set80211maccmd),
DEF_CMD("mac:flush", IEEE80211_MACCMD_FLUSH, set80211maccmd),
DEF_CMD("mac:detach", IEEE80211_MACCMD_DETACH, set80211maccmd),
DEF_CMD_ARG("mac:add", set80211addmac),
DEF_CMD_ARG("mac:del", set80211delmac),
DEF_CMD_ARG("mac:kick", set80211kickmac),
DEF_CMD("pureg", 1, set80211pureg),
DEF_CMD("-pureg", 0, set80211pureg),
DEF_CMD_ARG("mcastrate", set80211mcastrate),
DEF_CMD_ARG("fragthreshold", set80211fragthreshold),
DEF_CMD("burst", 1, set80211burst),
DEF_CMD("-burst", 0, set80211burst),
DEF_CMD_ARG("bmiss", set80211bmissthreshold),
DEF_CMD_ARG("bmissthreshold", set80211bmissthreshold),
};
static struct afswtch af_ieee80211 = {
.af_name = "af_ieee80211",
.af_af = AF_UNSPEC,
.af_other_status = ieee80211_status,
};
static __constructor void
ieee80211_ctor(void)
{
#define N(a) (sizeof(a) / sizeof(a[0]))
int i;
for (i = 0; i < N(ieee80211_cmds); i++)
cmd_register(&ieee80211_cmds[i]);
af_register(&af_ieee80211);
#undef N
}
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