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