1374 lines
39 KiB
C
1374 lines
39 KiB
C
/* $NetBSD: ieee80211.c,v 1.27 2014/01/08 01:56:20 christos Exp $ */
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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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__RCSID("$NetBSD: ieee80211.c,v 1.27 2014/01/08 01:56:20 christos Exp $");
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#endif /* not lint */
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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 <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <net/route.h>
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#include <net80211/ieee80211.h>
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#include <net80211/ieee80211_ioctl.h>
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#include <net80211/ieee80211_netbsd.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 <netdb.h>
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#include <string.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <util.h>
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#include "extern.h"
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#include "parse.h"
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#include "env.h"
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#include "util.h"
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#include "prog_ops.h"
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static void ieee80211_statistics(prop_dictionary_t);
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static void ieee80211_status(prop_dictionary_t, prop_dictionary_t);
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static void ieee80211_constructor(void) __attribute__((constructor));
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static int set80211(prop_dictionary_t env, uint16_t, int16_t, int16_t,
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u_int8_t *);
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static u_int ieee80211_mhz2ieee(u_int, u_int);
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static int getmaxrate(const uint8_t [15], u_int8_t);
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static const char * getcaps(int);
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static void printie(const char*, const uint8_t *, size_t, int);
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static int copy_essid(char [], size_t, const u_int8_t *, size_t);
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static void scan_and_wait(prop_dictionary_t);
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static void list_scan(prop_dictionary_t);
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static int mappsb(u_int , u_int);
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static int mapgsm(u_int , u_int);
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static int sethidessid(prop_dictionary_t, prop_dictionary_t);
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static int setapbridge(prop_dictionary_t, prop_dictionary_t);
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static int setifssid(prop_dictionary_t, prop_dictionary_t);
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static int setifnwkey(prop_dictionary_t, prop_dictionary_t);
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static int unsetifnwkey(prop_dictionary_t, prop_dictionary_t);
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static int unsetifbssid(prop_dictionary_t, prop_dictionary_t);
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static int setifbssid(prop_dictionary_t, prop_dictionary_t);
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static int setifchan(prop_dictionary_t, prop_dictionary_t);
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static int setiffrag(prop_dictionary_t, prop_dictionary_t);
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static int setifpowersave(prop_dictionary_t, prop_dictionary_t);
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static int setifpowersavesleep(prop_dictionary_t, prop_dictionary_t);
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static int setifrts(prop_dictionary_t, prop_dictionary_t);
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static int scan_exec(prop_dictionary_t, prop_dictionary_t);
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static void printies(const u_int8_t *, int, int);
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static void printwmeparam(const char *, const u_int8_t *, size_t , int);
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static void printwmeinfo(const char *, const u_int8_t *, size_t , int);
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static const char * wpa_cipher(const u_int8_t *);
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static const char * wpa_keymgmt(const u_int8_t *);
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static void printwpaie(const char *, const u_int8_t *, size_t , int);
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static const char * rsn_cipher(const u_int8_t *);
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static const char * rsn_keymgmt(const u_int8_t *);
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static void printrsnie(const char *, const u_int8_t *, size_t , int);
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static void printssid(const char *, const u_int8_t *, size_t , int);
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static void printrates(const char *, const u_int8_t *, size_t , int);
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static void printcountry(const char *, const u_int8_t *, size_t , int);
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static int iswpaoui(const u_int8_t *);
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static int iswmeinfo(const u_int8_t *);
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static int iswmeparam(const u_int8_t *);
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static const char * iename(int);
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extern struct pinteger parse_chan, parse_frag, parse_rts;
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extern struct pstr parse_bssid, parse_ssid, parse_nwkey;
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extern struct pinteger parse_powersavesleep;
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static const struct kwinst ieee80211boolkw[] = {
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{.k_word = "hidessid", .k_key = "hidessid", .k_neg = true,
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.k_type = KW_T_BOOL, .k_bool = true, .k_negbool = false,
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.k_exec = sethidessid}
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, {.k_word = "apbridge", .k_key = "apbridge", .k_neg = true,
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.k_type = KW_T_BOOL, .k_bool = true, .k_negbool = false,
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.k_exec = setapbridge}
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, {.k_word = "powersave", .k_key = "powersave", .k_neg = true,
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.k_type = KW_T_BOOL, .k_bool = true, .k_negbool = false,
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.k_exec = setifpowersave}
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};
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static const struct kwinst listskw[] = {
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{.k_word = "scan", .k_exec = scan_exec}
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};
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static struct pkw lists = PKW_INITIALIZER(&lists, "ieee80211 lists", NULL,
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"list", listskw, __arraycount(listskw), &command_root.pb_parser);
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static const struct kwinst kw80211kw[] = {
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{.k_word = "bssid", .k_nextparser = &parse_bssid.ps_parser}
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, {.k_word = "-bssid", .k_exec = unsetifbssid,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "chan", .k_nextparser = &parse_chan.pi_parser}
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, {.k_word = "-chan", .k_key = "chan", .k_type = KW_T_UINT,
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.k_uint = IEEE80211_CHAN_ANY, .k_exec = setifchan,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "frag", .k_nextparser = &parse_frag.pi_parser}
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, {.k_word = "-frag", .k_key = "frag", .k_type = KW_T_INT,
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.k_int = IEEE80211_FRAG_MAX, .k_exec = setiffrag,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "list", .k_nextparser = &lists.pk_parser}
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, {.k_word = "nwid", .k_nextparser = &parse_ssid.ps_parser}
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, {.k_word = "nwkey", .k_nextparser = &parse_nwkey.ps_parser}
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, {.k_word = "-nwkey", .k_exec = unsetifnwkey,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "rts", .k_nextparser = &parse_rts.pi_parser}
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, {.k_word = "-rts", .k_key = "rts", .k_type = KW_T_INT,
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.k_int = IEEE80211_RTS_MAX, .k_exec = setifrts,
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.k_nextparser = &command_root.pb_parser}
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, {.k_word = "ssid", .k_nextparser = &parse_ssid.ps_parser}
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, {.k_word = "powersavesleep",
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.k_nextparser = &parse_powersavesleep.pi_parser}
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};
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struct pkw kw80211 = PKW_INITIALIZER(&kw80211, "802.11 keywords", NULL, NULL,
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kw80211kw, __arraycount(kw80211kw), NULL);
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struct pkw ieee80211bool = PKW_INITIALIZER(&ieee80211bool, "ieee80211 boolean",
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NULL, NULL, ieee80211boolkw, __arraycount(ieee80211boolkw),
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&command_root.pb_parser);
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struct pinteger parse_chan = PINTEGER_INITIALIZER1(&parse_chan, "chan",
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0, UINT16_MAX, 10, setifchan, "chan", &command_root.pb_parser);
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struct pinteger parse_rts = PINTEGER_INITIALIZER1(&parse_rts, "rts",
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IEEE80211_RTS_MIN, IEEE80211_RTS_MAX, 10,
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setifrts, "rts", &command_root.pb_parser);
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struct pinteger parse_frag = PINTEGER_INITIALIZER1(&parse_frag, "frag",
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IEEE80211_FRAG_MIN, IEEE80211_FRAG_MAX, 10,
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setiffrag, "frag", &command_root.pb_parser);
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struct pstr parse_ssid = PSTR_INITIALIZER(&parse_pass, "ssid", setifssid,
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"ssid", &command_root.pb_parser);
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struct pinteger parse_powersavesleep =
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PINTEGER_INITIALIZER1(&parse_powersavesleep, "powersavesleep",
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0, INT_MAX, 10, setifpowersavesleep, "powersavesleep",
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&command_root.pb_parser);
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struct pstr parse_nwkey = PSTR_INITIALIZER1(&parse_nwkey, "nwkey", setifnwkey,
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"nwkey", false, &command_root.pb_parser);
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struct pstr parse_bssid = PSTR_INITIALIZER1(&parse_bssid, "bssid", setifbssid,
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"bssid", false, &command_root.pb_parser);
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static int
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set80211(prop_dictionary_t env, uint16_t type, int16_t val, int16_t len,
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u_int8_t *data)
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{
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struct ieee80211req ireq;
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memset(&ireq, 0, sizeof(ireq));
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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 (direct_ioctl(env, SIOCS80211, &ireq) == -1) {
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warn("SIOCS80211");
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return -1;
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}
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return 0;
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}
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static int
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sethidessid(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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bool on, rc;
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rc = prop_dictionary_get_bool(env, "hidessid", &on);
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assert(rc);
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return set80211(env, IEEE80211_IOC_HIDESSID, on ? 1 : 0, 0, NULL);
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}
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static int
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setapbridge(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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bool on, rc;
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rc = prop_dictionary_get_bool(env, "apbridge", &on);
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assert(rc);
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return set80211(env, IEEE80211_IOC_APBRIDGE, on ? 1 : 0, 0, NULL);
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}
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static enum ieee80211_opmode
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get80211opmode(prop_dictionary_t env)
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{
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struct ifmediareq ifmr;
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memset(&ifmr, 0, sizeof(ifmr));
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if (direct_ioctl(env, SIOCGIFMEDIA, &ifmr) == -1)
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;
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else if (ifmr.ifm_current & IFM_IEEE80211_ADHOC)
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return IEEE80211_M_IBSS; /* XXX ahdemo */
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else if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
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return IEEE80211_M_HOSTAP;
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else if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
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return IEEE80211_M_MONITOR;
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return IEEE80211_M_STA;
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}
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static int
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setifssid(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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struct ieee80211_nwid nwid;
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ssize_t len;
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memset(&nwid, 0, sizeof(nwid));
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if ((len = getargdata(env, "ssid", nwid.i_nwid,
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sizeof(nwid.i_nwid))) == -1)
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errx(EXIT_FAILURE, "%s: SSID too long", __func__);
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nwid.i_len = (uint8_t)len;
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if (indirect_ioctl(env, SIOCS80211NWID, &nwid) == -1)
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err(EXIT_FAILURE, "SIOCS80211NWID");
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return 0;
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}
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static int
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unsetifbssid(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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struct ieee80211_bssid bssid;
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memset(&bssid, 0, sizeof(bssid));
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if (direct_ioctl(env, SIOCS80211BSSID, &bssid) == -1)
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err(EXIT_FAILURE, "SIOCS80211BSSID");
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return 0;
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}
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static int
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setifbssid(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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char buf[24];
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struct ieee80211_bssid bssid;
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struct ether_addr *ea;
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if (getargstr(env, "bssid", buf, sizeof(buf)) == -1)
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errx(EXIT_FAILURE, "%s: BSSID too long", __func__);
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ea = ether_aton(buf);
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if (ea == NULL) {
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errx(EXIT_FAILURE, "malformed BSSID: %s", buf);
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return -1;
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}
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memcpy(&bssid.i_bssid, ea->ether_addr_octet,
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sizeof(bssid.i_bssid));
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if (direct_ioctl(env, SIOCS80211BSSID, &bssid) == -1)
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err(EXIT_FAILURE, "SIOCS80211BSSID");
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return 0;
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}
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static int
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setifrts(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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bool rc;
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int16_t val;
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rc = prop_dictionary_get_int16(env, "rts", &val);
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assert(rc);
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if (set80211(env, IEEE80211_IOC_RTSTHRESHOLD, val, 0, NULL) == -1)
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err(EXIT_FAILURE, "IEEE80211_IOC_RTSTHRESHOLD");
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return 0;
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}
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static int
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setiffrag(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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bool rc;
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int16_t val;
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rc = prop_dictionary_get_int16(env, "frag", &val);
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assert(rc);
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if (set80211(env, IEEE80211_IOC_FRAGTHRESHOLD, val, 0, NULL) == -1)
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err(EXIT_FAILURE, "IEEE80211_IOC_FRAGTHRESHOLD");
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return 0;
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}
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static int
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setifchan(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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bool rc;
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struct ieee80211chanreq channel;
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rc = prop_dictionary_get_uint16(env, "chan", &channel.i_channel);
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assert(rc);
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if (direct_ioctl(env, SIOCS80211CHANNEL, &channel) == -1)
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err(EXIT_FAILURE, "SIOCS80211CHANNEL");
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return 0;
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}
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static int
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setifnwkey(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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const char *val;
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char buf[256];
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struct ieee80211_nwkey nwkey;
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int i;
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u_int8_t keybuf[IEEE80211_WEP_NKID][16];
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if (getargstr(env, "nwkey", buf, sizeof(buf)) == -1)
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errx(EXIT_FAILURE, "%s: nwkey too long", __func__);
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val = buf;
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nwkey.i_wepon = IEEE80211_NWKEY_WEP;
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nwkey.i_defkid = 1;
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for (i = 0; i < IEEE80211_WEP_NKID; i++) {
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nwkey.i_key[i].i_keylen = sizeof(keybuf[i]);
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nwkey.i_key[i].i_keydat = keybuf[i];
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}
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if (strcasecmp("persist", val) == 0) {
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/* use all values from persistent memory */
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nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
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nwkey.i_defkid = 0;
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for (i = 0; i < IEEE80211_WEP_NKID; i++)
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nwkey.i_key[i].i_keylen = -1;
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} else if (strncasecmp("persist:", val, 8) == 0) {
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val += 8;
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/* program keys in persistent memory */
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nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
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goto set_nwkey;
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} else {
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set_nwkey:
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if (isdigit((unsigned char)val[0]) && val[1] == ':') {
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/* specifying a full set of four keys */
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nwkey.i_defkid = val[0] - '0';
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val += 2;
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for (i = 0; i < IEEE80211_WEP_NKID; i++) {
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val = get_string(val, ",", keybuf[i],
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&nwkey.i_key[i].i_keylen, true);
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if (val == NULL) {
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errno = EINVAL;
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return -1;
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}
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}
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if (*val != '\0') {
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errx(EXIT_FAILURE, "SIOCS80211NWKEY: too many keys.");
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}
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} else {
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val = get_string(val, NULL, keybuf[0],
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&nwkey.i_key[0].i_keylen, true);
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if (val == NULL) {
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errno = EINVAL;
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return -1;
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}
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i = 1;
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}
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}
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for (; i < IEEE80211_WEP_NKID; i++)
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nwkey.i_key[i].i_keylen = 0;
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if (direct_ioctl(env, SIOCS80211NWKEY, &nwkey) == -1)
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err(EXIT_FAILURE, "SIOCS80211NWKEY");
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return 0;
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}
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static int
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unsetifnwkey(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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struct ieee80211_nwkey nwkey;
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int i;
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nwkey.i_wepon = 0;
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nwkey.i_defkid = 1;
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for (i = 0; i < IEEE80211_WEP_NKID; i++) {
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nwkey.i_key[i].i_keylen = 0;
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nwkey.i_key[i].i_keydat = NULL;
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}
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if (direct_ioctl(env, SIOCS80211NWKEY, &nwkey) == -1)
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err(EXIT_FAILURE, "SIOCS80211NWKEY");
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return 0;
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}
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static int
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setifpowersave(prop_dictionary_t env, prop_dictionary_t oenv)
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{
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struct ieee80211_power power;
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bool on, rc;
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|
|
if (direct_ioctl(env, SIOCG80211POWER, &power) == -1)
|
|
err(EXIT_FAILURE, "SIOCG80211POWER");
|
|
|
|
rc = prop_dictionary_get_bool(env, "powersave", &on);
|
|
assert(rc);
|
|
|
|
power.i_enabled = on ? 1 : 0;
|
|
if (direct_ioctl(env, SIOCS80211POWER, &power) == -1) {
|
|
warn("SIOCS80211POWER");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
setifpowersavesleep(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
struct ieee80211_power power;
|
|
int64_t maxsleep;
|
|
bool rc;
|
|
|
|
rc = prop_dictionary_get_int64(env, "powersavesleep", &maxsleep);
|
|
assert(rc);
|
|
|
|
if (direct_ioctl(env, SIOCG80211POWER, &power) == -1)
|
|
err(EXIT_FAILURE, "SIOCG80211POWER");
|
|
|
|
power.i_maxsleep = maxsleep;
|
|
if (direct_ioctl(env, SIOCS80211POWER, &power) == -1)
|
|
err(EXIT_FAILURE, "SIOCS80211POWER");
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
scan_exec(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
struct ifreq ifr;
|
|
|
|
if (direct_ioctl(env, SIOCGIFFLAGS, &ifr) == -1) {
|
|
warn("ioctl(SIOCGIFFLAGS)");
|
|
return -1;
|
|
}
|
|
|
|
if ((ifr.ifr_flags & IFF_UP) == 0)
|
|
errx(EXIT_FAILURE, "The interface must be up before scanning.");
|
|
|
|
scan_and_wait(env);
|
|
list_scan(env);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ieee80211_statistics(prop_dictionary_t env)
|
|
{
|
|
struct ieee80211_stats stats;
|
|
struct ifreq ifr;
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
ifr.ifr_buflen = sizeof(stats);
|
|
ifr.ifr_buf = (caddr_t)&stats;
|
|
if (direct_ioctl(env, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS,
|
|
&ifr) == -1)
|
|
return;
|
|
#define STAT_PRINT(_member, _desc) \
|
|
printf("\t" _desc ": %" PRIu32 "\n", stats._member)
|
|
|
|
STAT_PRINT(is_rx_badversion, "rx frame with bad version");
|
|
STAT_PRINT(is_rx_tooshort, "rx frame too short");
|
|
STAT_PRINT(is_rx_wrongbss, "rx from wrong bssid");
|
|
STAT_PRINT(is_rx_dup, "rx discard 'cuz dup");
|
|
STAT_PRINT(is_rx_wrongdir, "rx w/ wrong direction");
|
|
STAT_PRINT(is_rx_mcastecho, "rx discard 'cuz mcast echo");
|
|
STAT_PRINT(is_rx_notassoc, "rx discard 'cuz sta !assoc");
|
|
STAT_PRINT(is_rx_noprivacy, "rx w/ wep but privacy off");
|
|
STAT_PRINT(is_rx_unencrypted, "rx w/o wep and privacy on");
|
|
STAT_PRINT(is_rx_wepfail, "rx wep processing failed");
|
|
STAT_PRINT(is_rx_decap, "rx decapsulation failed");
|
|
STAT_PRINT(is_rx_mgtdiscard, "rx discard mgt frames");
|
|
STAT_PRINT(is_rx_ctl, "rx discard ctrl frames");
|
|
STAT_PRINT(is_rx_beacon, "rx beacon frames");
|
|
STAT_PRINT(is_rx_rstoobig, "rx rate set truncated");
|
|
STAT_PRINT(is_rx_elem_missing, "rx required element missing");
|
|
STAT_PRINT(is_rx_elem_toobig, "rx element too big");
|
|
STAT_PRINT(is_rx_elem_toosmall, "rx element too small");
|
|
STAT_PRINT(is_rx_elem_unknown, "rx element unknown");
|
|
STAT_PRINT(is_rx_badchan, "rx frame w/ invalid chan");
|
|
STAT_PRINT(is_rx_chanmismatch, "rx frame chan mismatch");
|
|
STAT_PRINT(is_rx_nodealloc, "rx frame dropped");
|
|
STAT_PRINT(is_rx_ssidmismatch, "rx frame ssid mismatch ");
|
|
STAT_PRINT(is_rx_auth_unsupported, "rx w/ unsupported auth alg");
|
|
STAT_PRINT(is_rx_auth_fail, "rx sta auth failure");
|
|
STAT_PRINT(is_rx_auth_countermeasures, "rx auth discard 'cuz CM");
|
|
STAT_PRINT(is_rx_assoc_bss, "rx assoc from wrong bssid");
|
|
STAT_PRINT(is_rx_assoc_notauth, "rx assoc w/o auth");
|
|
STAT_PRINT(is_rx_assoc_capmismatch, "rx assoc w/ cap mismatch");
|
|
STAT_PRINT(is_rx_assoc_norate, "rx assoc w/ no rate match");
|
|
STAT_PRINT(is_rx_assoc_badwpaie, "rx assoc w/ bad WPA IE");
|
|
STAT_PRINT(is_rx_deauth, "rx deauthentication");
|
|
STAT_PRINT(is_rx_disassoc, "rx disassociation");
|
|
STAT_PRINT(is_rx_badsubtype, "rx frame w/ unknown subtyp");
|
|
STAT_PRINT(is_rx_nobuf, "rx failed for lack of buf");
|
|
STAT_PRINT(is_rx_decryptcrc, "rx decrypt failed on crc");
|
|
STAT_PRINT(is_rx_ahdemo_mgt, "rx discard ahdemo mgt fram");
|
|
STAT_PRINT(is_rx_bad_auth, "rx bad auth request");
|
|
STAT_PRINT(is_rx_unauth, "rx on unauthorized port");
|
|
STAT_PRINT(is_rx_badkeyid, "rx w/ incorrect keyid");
|
|
STAT_PRINT(is_rx_ccmpreplay, "rx seq# violation (CCMP)");
|
|
STAT_PRINT(is_rx_ccmpformat, "rx format bad (CCMP)");
|
|
STAT_PRINT(is_rx_ccmpmic, "rx MIC check failed (CCMP)");
|
|
STAT_PRINT(is_rx_tkipreplay, "rx seq# violation (TKIP)");
|
|
STAT_PRINT(is_rx_tkipformat, "rx format bad (TKIP)");
|
|
STAT_PRINT(is_rx_tkipmic, "rx MIC check failed (TKIP)");
|
|
STAT_PRINT(is_rx_tkipicv, "rx ICV check failed (TKIP)");
|
|
STAT_PRINT(is_rx_badcipher, "rx failed 'cuz key type");
|
|
STAT_PRINT(is_rx_nocipherctx, "rx failed 'cuz key !setup");
|
|
STAT_PRINT(is_rx_acl, "rx discard 'cuz acl policy");
|
|
|
|
STAT_PRINT(is_tx_nobuf, "tx failed for lack of buf");
|
|
STAT_PRINT(is_tx_nonode, "tx failed for no node");
|
|
STAT_PRINT(is_tx_unknownmgt, "tx of unknown mgt frame");
|
|
STAT_PRINT(is_tx_badcipher, "tx failed 'cuz key type");
|
|
STAT_PRINT(is_tx_nodefkey, "tx failed 'cuz no defkey");
|
|
STAT_PRINT(is_tx_noheadroom, "tx failed 'cuz no space");
|
|
STAT_PRINT(is_tx_fragframes, "tx frames fragmented");
|
|
STAT_PRINT(is_tx_frags, "tx fragments created");
|
|
|
|
STAT_PRINT(is_scan_active, "active scans started");
|
|
STAT_PRINT(is_scan_passive, "passive scans started");
|
|
STAT_PRINT(is_node_timeout, "nodes timed out inactivity");
|
|
STAT_PRINT(is_crypto_nomem, "no memory for crypto ctx");
|
|
STAT_PRINT(is_crypto_tkip, "tkip crypto done in s/w");
|
|
STAT_PRINT(is_crypto_tkipenmic, "tkip en-MIC done in s/w");
|
|
STAT_PRINT(is_crypto_tkipdemic, "tkip de-MIC done in s/w");
|
|
STAT_PRINT(is_crypto_tkipcm, "tkip counter measures");
|
|
STAT_PRINT(is_crypto_ccmp, "ccmp crypto done in s/w");
|
|
STAT_PRINT(is_crypto_wep, "wep crypto done in s/w");
|
|
STAT_PRINT(is_crypto_setkey_cipher, "cipher rejected key");
|
|
STAT_PRINT(is_crypto_setkey_nokey, "no key index for setkey");
|
|
STAT_PRINT(is_crypto_delkey, "driver key delete failed");
|
|
STAT_PRINT(is_crypto_badcipher, "unknown cipher");
|
|
STAT_PRINT(is_crypto_nocipher, "cipher not available");
|
|
STAT_PRINT(is_crypto_attachfail, "cipher attach failed");
|
|
STAT_PRINT(is_crypto_swfallback, "cipher fallback to s/w");
|
|
STAT_PRINT(is_crypto_keyfail, "driver key alloc failed");
|
|
STAT_PRINT(is_crypto_enmicfail, "en-MIC failed");
|
|
STAT_PRINT(is_ibss_capmismatch, "merge failed-cap mismatch");
|
|
STAT_PRINT(is_ibss_norate, "merge failed-rate mismatch");
|
|
STAT_PRINT(is_ps_unassoc, "ps-poll for unassoc. sta");
|
|
STAT_PRINT(is_ps_badaid, "ps-poll w/ incorrect aid");
|
|
STAT_PRINT(is_ps_qempty, "ps-poll w/ nothing to send");
|
|
STAT_PRINT(is_ff_badhdr, "fast frame rx'd w/ bad hdr");
|
|
STAT_PRINT(is_ff_tooshort, "fast frame rx decap error");
|
|
STAT_PRINT(is_ff_split, "fast frame rx split error");
|
|
STAT_PRINT(is_ff_decap, "fast frames decap'd");
|
|
STAT_PRINT(is_ff_encap, "fast frames encap'd for tx");
|
|
STAT_PRINT(is_rx_badbintval, "rx frame w/ bogus bintval");
|
|
}
|
|
|
|
static void
|
|
ieee80211_status(prop_dictionary_t env, prop_dictionary_t oenv)
|
|
{
|
|
int i, nwkey_verbose;
|
|
struct ieee80211_nwid nwid;
|
|
struct ieee80211_nwkey nwkey;
|
|
struct ieee80211_power power;
|
|
u_int8_t keybuf[IEEE80211_WEP_NKID][16];
|
|
struct ieee80211_bssid bssid;
|
|
struct ieee80211chanreq channel;
|
|
struct ieee80211req ireq;
|
|
struct ether_addr ea;
|
|
static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN];
|
|
enum ieee80211_opmode opmode = get80211opmode(env);
|
|
|
|
memset(&bssid, 0, sizeof(bssid));
|
|
memset(&nwkey, 0, sizeof(nwkey));
|
|
memset(&nwid, 0, sizeof(nwid));
|
|
memset(&nwid, 0, sizeof(nwid));
|
|
|
|
if (indirect_ioctl(env, SIOCG80211NWID, &nwid) == -1)
|
|
return;
|
|
if (nwid.i_len > IEEE80211_NWID_LEN) {
|
|
errx(EXIT_FAILURE, "SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len);
|
|
}
|
|
printf("\tssid ");
|
|
print_string(nwid.i_nwid, nwid.i_len);
|
|
|
|
if (opmode == IEEE80211_M_HOSTAP) {
|
|
ireq.i_type = IEEE80211_IOC_HIDESSID;
|
|
if (direct_ioctl(env, SIOCG80211, &ireq) != -1) {
|
|
if (ireq.i_val)
|
|
printf(" [hidden]");
|
|
else if (vflag)
|
|
printf(" [shown]");
|
|
}
|
|
|
|
ireq.i_type = IEEE80211_IOC_APBRIDGE;
|
|
if (direct_ioctl(env, SIOCG80211, &ireq) != -1) {
|
|
if (ireq.i_val)
|
|
printf(" apbridge");
|
|
else if (vflag)
|
|
printf(" -apbridge");
|
|
}
|
|
}
|
|
|
|
ireq.i_type = IEEE80211_IOC_RTSTHRESHOLD;
|
|
if (direct_ioctl(env, SIOCG80211, &ireq) == -1)
|
|
;
|
|
else if (ireq.i_val < IEEE80211_RTS_MAX)
|
|
printf(" rts %d", ireq.i_val);
|
|
else if (vflag)
|
|
printf(" -rts");
|
|
|
|
ireq.i_type = IEEE80211_IOC_FRAGTHRESHOLD;
|
|
if (direct_ioctl(env, SIOCG80211, &ireq) == -1)
|
|
;
|
|
else if (ireq.i_val < IEEE80211_FRAG_MAX)
|
|
printf(" frag %d", ireq.i_val);
|
|
else if (vflag)
|
|
printf(" -frag");
|
|
|
|
memset(&nwkey, 0, sizeof(nwkey));
|
|
/* show nwkey only when WEP is enabled */
|
|
if (direct_ioctl(env, SIOCG80211NWKEY, &nwkey) == -1 ||
|
|
nwkey.i_wepon == 0) {
|
|
printf("\n");
|
|
goto skip_wep;
|
|
}
|
|
|
|
printf(" nwkey ");
|
|
/* try to retrieve WEP keys */
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
nwkey.i_key[i].i_keydat = keybuf[i];
|
|
nwkey.i_key[i].i_keylen = sizeof(keybuf[i]);
|
|
}
|
|
if (direct_ioctl(env, SIOCG80211NWKEY, &nwkey) == -1) {
|
|
printf("*****");
|
|
} else {
|
|
nwkey_verbose = 0;
|
|
/* check to see non default key or multiple keys defined */
|
|
if (nwkey.i_defkid != 1) {
|
|
nwkey_verbose = 1;
|
|
} else {
|
|
for (i = 1; i < IEEE80211_WEP_NKID; i++) {
|
|
if (nwkey.i_key[i].i_keylen != 0) {
|
|
nwkey_verbose = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* check extra ambiguity with keywords */
|
|
if (!nwkey_verbose) {
|
|
if (nwkey.i_key[0].i_keylen >= 2 &&
|
|
isdigit(nwkey.i_key[0].i_keydat[0]) &&
|
|
nwkey.i_key[0].i_keydat[1] == ':')
|
|
nwkey_verbose = 1;
|
|
else if (nwkey.i_key[0].i_keylen >= 7 &&
|
|
strncasecmp("persist",
|
|
(const char *)nwkey.i_key[0].i_keydat, 7) == 0)
|
|
nwkey_verbose = 1;
|
|
}
|
|
if (nwkey_verbose)
|
|
printf("%d:", nwkey.i_defkid);
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
if (i > 0)
|
|
printf(",");
|
|
if (nwkey.i_key[i].i_keylen < 0)
|
|
printf("persist");
|
|
else
|
|
print_string(nwkey.i_key[i].i_keydat,
|
|
nwkey.i_key[i].i_keylen);
|
|
if (!nwkey_verbose)
|
|
break;
|
|
}
|
|
}
|
|
printf("\n");
|
|
|
|
skip_wep:
|
|
if (direct_ioctl(env, SIOCG80211POWER, &power) == -1)
|
|
goto skip_power;
|
|
printf("\tpowersave ");
|
|
if (power.i_enabled)
|
|
printf("on (%dms sleep)", power.i_maxsleep);
|
|
else
|
|
printf("off");
|
|
printf("\n");
|
|
|
|
skip_power:
|
|
if (direct_ioctl(env, SIOCG80211BSSID, &bssid) == -1)
|
|
return;
|
|
if (direct_ioctl(env, SIOCG80211CHANNEL, &channel) == -1)
|
|
return;
|
|
if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) {
|
|
if (channel.i_channel != (u_int16_t)-1)
|
|
printf("\tchan %d\n", channel.i_channel);
|
|
} else {
|
|
memcpy(ea.ether_addr_octet, bssid.i_bssid,
|
|
sizeof(ea.ether_addr_octet));
|
|
printf("\tbssid %s", ether_ntoa(&ea));
|
|
if (channel.i_channel != IEEE80211_CHAN_ANY)
|
|
printf(" chan %d", channel.i_channel);
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
scan_and_wait(prop_dictionary_t env)
|
|
{
|
|
int sroute;
|
|
|
|
sroute = prog_socket(PF_ROUTE, SOCK_RAW, 0);
|
|
if (sroute < 0) {
|
|
warn("socket(PF_ROUTE,SOCK_RAW)");
|
|
return;
|
|
}
|
|
/* NB: only root can trigger a scan so ignore errors */
|
|
if (set80211(env, IEEE80211_IOC_SCAN_REQ, 0, 0, NULL) >= 0) {
|
|
char buf[2048];
|
|
struct if_announcemsghdr *ifan;
|
|
struct rt_msghdr *rtm;
|
|
|
|
do {
|
|
if (prog_read(sroute, buf, sizeof(buf)) < 0) {
|
|
warn("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);
|
|
}
|
|
prog_close(sroute);
|
|
}
|
|
|
|
static void
|
|
list_scan(prop_dictionary_t env)
|
|
{
|
|
u_int8_t buf[24*1024];
|
|
struct ieee80211req ireq;
|
|
char ssid[IEEE80211_NWID_LEN+1];
|
|
const u_int8_t *cp;
|
|
int len, ssidmax;
|
|
|
|
memset(&ireq, 0, sizeof(ireq));
|
|
ireq.i_type = IEEE80211_IOC_SCAN_RESULTS;
|
|
ireq.i_data = buf;
|
|
ireq.i_len = sizeof(buf);
|
|
if (direct_ioctl(env, SIOCG80211, &ireq) < 0)
|
|
errx(EXIT_FAILURE, "unable to get scan results");
|
|
len = ireq.i_len;
|
|
if (len < (int)sizeof(struct ieee80211req_scan_result))
|
|
return;
|
|
|
|
ssidmax = IEEE80211_NWID_LEN;
|
|
printf("%-*.*s %-17.17s %4s %4s %-7s %3s %4s\n"
|
|
, ssidmax, ssidmax, "SSID"
|
|
, "BSSID"
|
|
, "CHAN"
|
|
, "RATE"
|
|
, "S:N"
|
|
, "INT"
|
|
, "CAPS"
|
|
);
|
|
cp = buf;
|
|
do {
|
|
const struct ieee80211req_scan_result *sr;
|
|
const uint8_t *vp;
|
|
|
|
sr = (const struct ieee80211req_scan_result *) cp;
|
|
vp = (const u_int8_t *)(sr+1);
|
|
printf("%-*.*s %s %3d %3dM %3d:%-3d %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 >= (int)sizeof(struct ieee80211req_scan_result));
|
|
}
|
|
/*
|
|
* Convert MHz frequency to IEEE channel number.
|
|
*/
|
|
static u_int
|
|
ieee80211_mhz2ieee(u_int isrfreq, u_int isrflags)
|
|
{
|
|
if ((isrflags & IEEE80211_CHAN_GSM) || (907 <= isrfreq && isrfreq <= 922))
|
|
return mapgsm(isrfreq, isrflags);
|
|
if (isrfreq == 2484)
|
|
return 14;
|
|
if (isrfreq < 2484)
|
|
return (isrfreq - 2407) / 5;
|
|
if (isrfreq < 5000) {
|
|
if (isrflags & (IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER))
|
|
return mappsb(isrfreq, isrflags);
|
|
else if (isrfreq > 4900)
|
|
return (isrfreq - 4000) / 5;
|
|
else
|
|
return 15 + ((isrfreq - 2512) / 20);
|
|
}
|
|
return (isrfreq - 5000) / 5;
|
|
}
|
|
|
|
static int
|
|
getmaxrate(const u_int8_t rates[15], u_int8_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 void
|
|
printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
printf("%s", tag);
|
|
|
|
maxlen -= strlen(tag)+2;
|
|
if ((int)(2*ielen) > maxlen)
|
|
maxlen--;
|
|
printf("<");
|
|
for (; ielen > 0; ie++, ielen--) {
|
|
if (maxlen-- <= 0)
|
|
break;
|
|
printf("%02x", *ie);
|
|
}
|
|
if (ielen != 0)
|
|
printf("-");
|
|
printf(">");
|
|
}
|
|
|
|
#define LE_READ_2(p) \
|
|
((u_int16_t) \
|
|
((((const u_int8_t *)(p))[0] ) | \
|
|
(((const u_int8_t *)(p))[1] << 8)))
|
|
#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)))
|
|
|
|
/*
|
|
* NB: The decoding routines assume a properly formatted ie
|
|
* which should be safe as the kernel only retains them
|
|
* if they parse ok.
|
|
*/
|
|
|
|
static void
|
|
printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
#define MS(_v, _f) (((_v) & _f) >> _f##_S)
|
|
static const char *acnames[] = { "BE", "BK", "VO", "VI" };
|
|
const struct ieee80211_wme_param *wme =
|
|
(const struct ieee80211_wme_param *) ie;
|
|
int i;
|
|
|
|
printf("%s", tag);
|
|
if (!vflag)
|
|
return;
|
|
printf("<qosinfo 0x%x", wme->param_qosInfo);
|
|
ie += offsetof(struct ieee80211_wme_param, params_acParams);
|
|
for (i = 0; i < WME_NUM_AC; i++) {
|
|
const struct ieee80211_wme_acparams *ac =
|
|
&wme->params_acParams[i];
|
|
|
|
printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]"
|
|
, acnames[i]
|
|
, MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : ""
|
|
, MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN)
|
|
, MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN)
|
|
, MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX)
|
|
, LE_READ_2(&ac->acp_txop)
|
|
);
|
|
}
|
|
printf(">");
|
|
#undef MS
|
|
}
|
|
|
|
static void
|
|
printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
printf("%s", tag);
|
|
if (vflag) {
|
|
const struct ieee80211_wme_info *wme =
|
|
(const struct ieee80211_wme_info *) ie;
|
|
printf("<version 0x%x info 0x%x>",
|
|
wme->wme_version, wme->wme_info);
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
wpa_cipher(const u_int8_t *sel)
|
|
{
|
|
#define WPA_SEL(x) (((x)<<24)|WPA_OUI)
|
|
u_int32_t w = LE_READ_4(sel);
|
|
|
|
switch (w) {
|
|
case WPA_SEL(WPA_CSE_NULL):
|
|
return "NONE";
|
|
case WPA_SEL(WPA_CSE_WEP40):
|
|
return "WEP40";
|
|
case WPA_SEL(WPA_CSE_WEP104):
|
|
return "WEP104";
|
|
case WPA_SEL(WPA_CSE_TKIP):
|
|
return "TKIP";
|
|
case WPA_SEL(WPA_CSE_CCMP):
|
|
return "AES-CCMP";
|
|
}
|
|
return "?"; /* NB: so 1<< is discarded */
|
|
#undef WPA_SEL
|
|
}
|
|
|
|
static const char *
|
|
wpa_keymgmt(const u_int8_t *sel)
|
|
{
|
|
#define WPA_SEL(x) (((x)<<24)|WPA_OUI)
|
|
u_int32_t w = LE_READ_4(sel);
|
|
|
|
switch (w) {
|
|
case WPA_SEL(WPA_ASE_8021X_UNSPEC):
|
|
return "8021X-UNSPEC";
|
|
case WPA_SEL(WPA_ASE_8021X_PSK):
|
|
return "8021X-PSK";
|
|
case WPA_SEL(WPA_ASE_NONE):
|
|
return "NONE";
|
|
}
|
|
return "?";
|
|
#undef WPA_SEL
|
|
}
|
|
|
|
static void
|
|
printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
u_int8_t len = ie[1];
|
|
|
|
printf("%s", tag);
|
|
if (vflag) {
|
|
const char *sep;
|
|
int n;
|
|
|
|
ie += 6, len -= 4; /* NB: len is payload only */
|
|
|
|
printf("<v%u", LE_READ_2(ie));
|
|
ie += 2, len -= 2;
|
|
|
|
printf(" mc:%s", wpa_cipher(ie));
|
|
ie += 4, len -= 4;
|
|
|
|
/* unicast ciphers */
|
|
n = LE_READ_2(ie);
|
|
ie += 2, len -= 2;
|
|
sep = " uc:";
|
|
for (; n > 0; n--) {
|
|
printf("%s%s", sep, wpa_cipher(ie));
|
|
ie += 4, len -= 4;
|
|
sep = "+";
|
|
}
|
|
|
|
/* key management algorithms */
|
|
n = LE_READ_2(ie);
|
|
ie += 2, len -= 2;
|
|
sep = " km:";
|
|
for (; n > 0; n--) {
|
|
printf("%s%s", sep, wpa_keymgmt(ie));
|
|
ie += 4, len -= 4;
|
|
sep = "+";
|
|
}
|
|
|
|
if (len > 2) /* optional capabilities */
|
|
printf(", caps 0x%x", LE_READ_2(ie));
|
|
printf(">");
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
rsn_cipher(const u_int8_t *sel)
|
|
{
|
|
#define RSN_SEL(x) (((x)<<24)|RSN_OUI)
|
|
u_int32_t w = LE_READ_4(sel);
|
|
|
|
switch (w) {
|
|
case RSN_SEL(RSN_CSE_NULL):
|
|
return "NONE";
|
|
case RSN_SEL(RSN_CSE_WEP40):
|
|
return "WEP40";
|
|
case RSN_SEL(RSN_CSE_WEP104):
|
|
return "WEP104";
|
|
case RSN_SEL(RSN_CSE_TKIP):
|
|
return "TKIP";
|
|
case RSN_SEL(RSN_CSE_CCMP):
|
|
return "AES-CCMP";
|
|
case RSN_SEL(RSN_CSE_WRAP):
|
|
return "AES-OCB";
|
|
}
|
|
return "?";
|
|
#undef WPA_SEL
|
|
}
|
|
|
|
static const char *
|
|
rsn_keymgmt(const u_int8_t *sel)
|
|
{
|
|
#define RSN_SEL(x) (((x)<<24)|RSN_OUI)
|
|
u_int32_t w = LE_READ_4(sel);
|
|
|
|
switch (w) {
|
|
case RSN_SEL(RSN_ASE_8021X_UNSPEC):
|
|
return "8021X-UNSPEC";
|
|
case RSN_SEL(RSN_ASE_8021X_PSK):
|
|
return "8021X-PSK";
|
|
case RSN_SEL(RSN_ASE_NONE):
|
|
return "NONE";
|
|
}
|
|
return "?";
|
|
#undef RSN_SEL
|
|
}
|
|
|
|
static void
|
|
printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
const char *sep;
|
|
int n;
|
|
|
|
printf("%s", tag);
|
|
if (!vflag)
|
|
return;
|
|
|
|
ie += 2, ielen -= 2;
|
|
|
|
printf("<v%u", LE_READ_2(ie));
|
|
ie += 2, ielen -= 2;
|
|
|
|
printf(" mc:%s", rsn_cipher(ie));
|
|
ie += 4, ielen -= 4;
|
|
|
|
/* unicast ciphers */
|
|
n = LE_READ_2(ie);
|
|
ie += 2, ielen -= 2;
|
|
sep = " uc:";
|
|
for (; n > 0; n--) {
|
|
printf("%s%s", sep, rsn_cipher(ie));
|
|
ie += 4, ielen -= 4;
|
|
sep = "+";
|
|
}
|
|
|
|
/* key management algorithms */
|
|
n = LE_READ_2(ie);
|
|
ie += 2, ielen -= 2;
|
|
sep = " km:";
|
|
for (; n > 0; n--) {
|
|
printf("%s%s", sep, rsn_keymgmt(ie));
|
|
ie += 4, ielen -= 4;
|
|
sep = "+";
|
|
}
|
|
|
|
if (ielen > 2) /* optional capabilities */
|
|
printf(", caps 0x%x", LE_READ_2(ie));
|
|
/* XXXPMKID */
|
|
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, 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;
|
|
}
|
|
|
|
static void
|
|
printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
char ssid[2*IEEE80211_NWID_LEN+1];
|
|
|
|
printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
|
|
}
|
|
|
|
static void
|
|
printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
const char *sep;
|
|
size_t i;
|
|
|
|
printf("%s", tag);
|
|
sep = "<";
|
|
for (i = 2; i < ielen; i++) {
|
|
printf("%s%s%d", sep,
|
|
ie[i] & IEEE80211_RATE_BASIC ? "B" : "",
|
|
ie[i] & IEEE80211_RATE_VAL);
|
|
sep = ",";
|
|
}
|
|
printf(">");
|
|
}
|
|
|
|
static void
|
|
printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
|
|
{
|
|
const struct ieee80211_country_ie *cie =
|
|
(const struct ieee80211_country_ie *) ie;
|
|
int i, nbands, schan, nchan;
|
|
|
|
printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]);
|
|
nbands = (cie->len - 3) / sizeof(cie->band[0]);
|
|
for (i = 0; i < nbands; i++) {
|
|
schan = cie->band[i].schan;
|
|
nchan = cie->band[i].nchan;
|
|
if (nchan != 1)
|
|
printf(" %u-%u,%u", schan, schan + nchan-1,
|
|
cie->band[i].maxtxpwr);
|
|
else
|
|
printf(" %u,%u", schan, cie->band[i].maxtxpwr);
|
|
}
|
|
printf(">");
|
|
}
|
|
|
|
/* 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
|
|
iswpaoui(const u_int8_t *frm)
|
|
{
|
|
return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
|
|
}
|
|
|
|
static int
|
|
iswmeinfo(const u_int8_t *frm)
|
|
{
|
|
return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
|
|
frm[6] == WME_INFO_OUI_SUBTYPE;
|
|
}
|
|
|
|
static int
|
|
iswmeparam(const u_int8_t *frm)
|
|
{
|
|
return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
|
|
frm[6] == WME_PARAM_OUI_SUBTYPE;
|
|
}
|
|
|
|
static const char *
|
|
iename(int elemid)
|
|
{
|
|
switch (elemid) {
|
|
case IEEE80211_ELEMID_FHPARMS: return " FHPARMS";
|
|
case IEEE80211_ELEMID_CFPARMS: return " CFPARMS";
|
|
case IEEE80211_ELEMID_TIM: return " TIM";
|
|
case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS";
|
|
case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE";
|
|
case IEEE80211_ELEMID_PWRCNSTR: return " PWRCNSTR";
|
|
case IEEE80211_ELEMID_PWRCAP: return " PWRCAP";
|
|
case IEEE80211_ELEMID_TPCREQ: return " TPCREQ";
|
|
case IEEE80211_ELEMID_TPCREP: return " TPCREP";
|
|
case IEEE80211_ELEMID_SUPPCHAN: return " SUPPCHAN";
|
|
case IEEE80211_ELEMID_CHANSWITCHANN:return " CSA";
|
|
case IEEE80211_ELEMID_MEASREQ: return " MEASREQ";
|
|
case IEEE80211_ELEMID_MEASREP: return " MEASREP";
|
|
case IEEE80211_ELEMID_QUIET: return " QUIET";
|
|
case IEEE80211_ELEMID_IBSSDFS: return " IBSSDFS";
|
|
case IEEE80211_ELEMID_TPC: return " TPC";
|
|
case IEEE80211_ELEMID_CCKM: return " CCKM";
|
|
}
|
|
return " ???";
|
|
}
|
|
|
|
static void
|
|
printies(const u_int8_t *vp, int ielen, int maxcols)
|
|
{
|
|
while (ielen > 0) {
|
|
switch (vp[0]) {
|
|
case IEEE80211_ELEMID_SSID:
|
|
if (vflag)
|
|
printssid(" SSID", vp, 2+vp[1], maxcols);
|
|
break;
|
|
case IEEE80211_ELEMID_RATES:
|
|
case IEEE80211_ELEMID_XRATES:
|
|
if (vflag)
|
|
printrates(vp[0] == IEEE80211_ELEMID_RATES ?
|
|
" RATES" : " XRATES", vp, 2+vp[1], maxcols);
|
|
break;
|
|
case IEEE80211_ELEMID_DSPARMS:
|
|
if (vflag)
|
|
printf(" DSPARMS<%u>", vp[2]);
|
|
break;
|
|
case IEEE80211_ELEMID_COUNTRY:
|
|
if (vflag)
|
|
printcountry(" COUNTRY", vp, 2+vp[1], maxcols);
|
|
break;
|
|
case IEEE80211_ELEMID_ERP:
|
|
if (vflag)
|
|
printf(" ERP<0x%x>", vp[2]);
|
|
break;
|
|
case IEEE80211_ELEMID_VENDOR:
|
|
if (iswpaoui(vp))
|
|
printwpaie(" WPA", vp, 2+vp[1], maxcols);
|
|
else if (iswmeinfo(vp))
|
|
printwmeinfo(" WME", vp, 2+vp[1], maxcols);
|
|
else if (iswmeparam(vp))
|
|
printwmeparam(" WME", vp, 2+vp[1], maxcols);
|
|
else if (vflag)
|
|
printie(" VEN", vp, 2+vp[1], maxcols);
|
|
break;
|
|
case IEEE80211_ELEMID_RSN:
|
|
printrsnie(" RSN", vp, 2+vp[1], maxcols);
|
|
break;
|
|
default:
|
|
if (vflag)
|
|
printie(iename(vp[0]), vp, 2+vp[1], maxcols);
|
|
break;
|
|
}
|
|
ielen -= 2+vp[1];
|
|
vp += 2+vp[1];
|
|
}
|
|
}
|
|
|
|
static int
|
|
mapgsm(u_int isrfreq, u_int isrflags)
|
|
{
|
|
isrfreq *= 10;
|
|
if (isrflags & IEEE80211_CHAN_QUARTER)
|
|
isrfreq += 5;
|
|
else if (isrflags & IEEE80211_CHAN_HALF)
|
|
isrfreq += 10;
|
|
else
|
|
isrfreq += 20;
|
|
/* NB: there is no 907/20 wide but leave room */
|
|
return (isrfreq - 906*10) / 5;
|
|
}
|
|
|
|
static int
|
|
mappsb(u_int isrfreq, u_int isrflags)
|
|
{
|
|
return 37 + ((isrfreq * 10) + ((isrfreq % 5) == 2 ? 5 : 0) - 49400) / 5;
|
|
}
|
|
|
|
static status_func_t status;
|
|
static usage_func_t usage;
|
|
static statistics_func_t statistics;
|
|
static cmdloop_branch_t branch[2];
|
|
|
|
static void
|
|
ieee80211_usage(prop_dictionary_t env)
|
|
{
|
|
fprintf(stderr,
|
|
"\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
|
|
"\t[ list scan ]\n"
|
|
"\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
|
|
"\t[ hidessid | -hidessid ] [ apbridge | -apbridge ]\n");
|
|
}
|
|
|
|
static void
|
|
ieee80211_constructor(void)
|
|
{
|
|
cmdloop_branch_init(&branch[0], &ieee80211bool.pk_parser);
|
|
cmdloop_branch_init(&branch[1], &kw80211.pk_parser);
|
|
register_cmdloop_branch(&branch[0]);
|
|
register_cmdloop_branch(&branch[1]);
|
|
status_func_init(&status, ieee80211_status);
|
|
statistics_func_init(&statistics, ieee80211_statistics);
|
|
usage_func_init(&usage, ieee80211_usage);
|
|
register_status(&status);
|
|
register_statistics(&statistics);
|
|
register_usage(&usage);
|
|
}
|