static int
mgmt_body_print(u_int16_t fc, const struct mgmt_header_t *pmh,
const u_char *p, u_int length)
{
switch (FC_SUBTYPE(fc)) {
case ST_ASSOC_REQUEST:
printf("Assoc Request");
return handle_assoc_request(p, length);
case ST_ASSOC_RESPONSE:
printf("Assoc Response");
return handle_assoc_response(p, length);
case ST_REASSOC_REQUEST:
printf("ReAssoc Request");
return handle_reassoc_request(p, length);
case ST_REASSOC_RESPONSE:
printf("ReAssoc Response");
return handle_reassoc_response(p, length);
case ST_PROBE_REQUEST:
printf("Probe Request");
return handle_probe_request(p, length);
case ST_PROBE_RESPONSE:
printf("Probe Response");
return handle_probe_response(p, length);
case ST_BEACON:
printf("Beacon");
return handle_beacon(p, length);
case ST_ATIM:
printf("ATIM");
return handle_atim();
case ST_DISASSOC:
printf("Disassociation");
return handle_disassoc(p, length);
case ST_AUTH:
printf("Authentication");
if (!TTEST2(*p, 3))
return 0;
if ((p[0] == 0 ) && (p[1] == 0) && (p[2] == 0)) {
printf("Authentication (Shared-Key)-3 ");
return wep_print(p);
}
return handle_auth(p, length);
case ST_DEAUTH:
printf("DeAuthentication");
return handle_deauth(pmh, p, length);
break;
case ST_ACTION:
printf("Action");
return handle_action(pmh, p, length);
break;
default:
printf("Unhandled Management subtype(%x)",
FC_SUBTYPE(fc));
return 1;
}
}
static int
mgmt_body_print(u_int16_t fc, const struct mgmt_header_t *pmh,
const u_char *p)
{
printf("%s", subtype_text[FC_SUBTYPE(fc)]);
switch (FC_SUBTYPE(fc)) {
case ST_ASSOC_REQUEST:
return handle_assoc_request(p);
case ST_ASSOC_RESPONSE:
return handle_assoc_response(p);
case ST_REASSOC_REQUEST:
return handle_reassoc_request(p);
case ST_REASSOC_RESPONSE:
return handle_reassoc_response(p);
case ST_PROBE_REQUEST:
return handle_probe_request(p);
case ST_PROBE_RESPONSE:
return handle_probe_response(p);
case ST_BEACON:
return handle_beacon(p);
case ST_ATIM:
return handle_atim();
case ST_DISASSOC:
return handle_disassoc(p);
case ST_AUTH:
if (!TTEST2(*p, 3))
return 0;
if ((p[0] == 0 ) && (p[1] == 0) && (p[2] == 0)) {
printf("Authentication (Shared-Key)-3 ");
return wep_print(p);
}
return handle_auth(p);
case ST_DEAUTH:
return handle_deauth(pmh, p);
break;
default:
printf("Unhandled Management subtype(%x)",
FC_SUBTYPE(fc));
return 1;
}
}
static u_int
ieee802_11_print(const u_char *p, u_int length, u_int caplen, int pad)
{
u_int16_t fc;
u_int hdrlen;
const u_int8_t *src, *dst;
u_short extracted_ethertype;
if (caplen < IEEE802_11_FC_LEN) {
printf("[|802.11]");
return caplen;
}
fc = EXTRACT_LE_16BITS(p);
hdrlen = extract_header_length(fc);
if (pad)
hdrlen = roundup2(hdrlen, 4);
if (caplen < hdrlen) {
printf("[|802.11]");
return hdrlen;
}
ieee_802_11_hdr_print(fc, p, &src, &dst);
/*
* Go past the 802.11 header.
*/
length -= hdrlen;
caplen -= hdrlen;
p += hdrlen;
switch (FC_TYPE(fc)) {
case T_MGMT:
if (!mgmt_body_print(fc,
(const struct mgmt_header_t *)(p - hdrlen), p)) {
printf("[|802.11]");
return hdrlen;
}
break;
case T_CTRL:
if (!ctrl_body_print(fc, p - hdrlen)) {
printf("[|802.11]");
return hdrlen;
}
break;
case T_DATA:
if (DATA_FRAME_IS_NULL(FC_SUBTYPE(fc)))
return hdrlen; /* no-data frame */
/* There may be a problem w/ AP not having this bit set */
if (FC_WEP(fc)) {
if (!wep_print(p)) {
printf("[|802.11]");
return hdrlen;
}
} else if (llc_print(p, length, caplen, dst, src,
&extracted_ethertype) == 0) {
/*
* Some kinds of LLC packet we cannot
* handle intelligently
*/
if (!eflag)
ieee_802_11_hdr_print(fc, p - hdrlen, NULL,
NULL);
if (extracted_ethertype)
printf("(LLC %s) ",
etherproto_string(
htons(extracted_ethertype)));
if (!suppress_default_print)
default_print(p, caplen);
}
break;
default:
printf("unknown 802.11 frame type (%d)", FC_TYPE(fc));
break;
}
return hdrlen;
}