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/* $OpenBSD: print-iapp.c,v 1.5 2015/01/16 06:40:21 deraadt Exp $ */
/*
* Copyright (c) 2005 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/time.h>
#include <sys/socket.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211.h>
#include <pcap.h>
#include <stdio.h>
#include <string.h>
#include "addrtoname.h"
#include "interface.h"
#include "iapp.h"
const char *ieee80211_iapp_frame_type_name[] =
IEEE80211_IAPP_FRAME_TYPE_NAME;
extern int ieee80211_encap;
void
iapp_print(const u_char *p, u_int len)
{
struct ieee80211_iapp_frame *wf = (struct ieee80211_iapp_frame *)p;
struct ieee80211_iapp_add_notify *add;
struct pcap_pkthdr fakeh;
const u_char *data;
TCHECK2(*wf, sizeof(struct ieee80211_iapp_frame));
/* Print common IAPP information */
printf(" IAPPv%u ", wf->i_version);
if (wf->i_command & 0xf0)
printf("unknown: 0x%0x ", wf->i_command);
else
printf("%s ", ieee80211_iapp_frame_type_name[wf->i_command]);
printf("(id %u) %u: ", wf->i_identifier, wf->i_length);
data = p + sizeof(struct ieee80211_iapp_frame);
switch (wf->i_command) {
case IEEE80211_IAPP_FRAME_ADD_NOTIFY:
/*
* Print details about the IAPP ADD.notify message.
*/
TCHECK2(*data, sizeof(struct ieee80211_iapp_add_notify));
add = (struct ieee80211_iapp_add_notify *)data;
printf("octets %u, ", add->a_length);
if (add->a_reserved)
printf("reserved %u, ", add->a_reserved);
if (add->a_length == IEEE80211_ADDR_LEN)
printf("lladdr %s, ", etheraddr_string(add->a_macaddr));
printf("seq %u", add->a_seqnum);
break;
case IEEE80211_IAPP_FRAME_HOSTAPD_RADIOTAP:
case IEEE80211_IAPP_FRAME_HOSTAPD_PCAP:
/*
* hostapd(8) uses its own subtypes to send IEEE 802.11
* frame dumps to the IAPP group (either with or without
* radiotap header). Decode it using the IEEE 802.11
* printer.
*/
bzero(&fakeh, sizeof(fakeh));
fakeh.len = wf->i_length;
fakeh.caplen = snapend - data;
ieee80211_encap = 1;
if (wf->i_command == IEEE80211_IAPP_FRAME_HOSTAPD_RADIOTAP)
ieee802_11_radio_if_print(NULL, &fakeh, data);
else
ieee802_11_if_print(NULL, &fakeh, data);
ieee80211_encap = 0;
break;
}
return;
trunc:
printf(" [|IAPP]");
}
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