int
ieee80211_hdr(struct ieee80211_frame *wh)
{
struct ieee80211_frame_addr4 *w4;
switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
case IEEE80211_FC1_DIR_NODS:
TCARR(wh->i_addr2);
PRINTF("%s", etheraddr_string(wh->i_addr2));
TCARR(wh->i_addr1);
PRINTF(" > %s", etheraddr_string(wh->i_addr1));
TCARR(wh->i_addr3);
PRINTF(", bssid %s", etheraddr_string(wh->i_addr3));
break;
case IEEE80211_FC1_DIR_TODS:
TCARR(wh->i_addr2);
PRINTF("%s", etheraddr_string(wh->i_addr2));
TCARR(wh->i_addr3);
PRINTF(" > %s", etheraddr_string(wh->i_addr3));
TCARR(wh->i_addr1);
PRINTF(", bssid %s, > DS", etheraddr_string(wh->i_addr1));
break;
case IEEE80211_FC1_DIR_FROMDS:
TCARR(wh->i_addr3);
PRINTF("%s", etheraddr_string(wh->i_addr3));
TCARR(wh->i_addr1);
PRINTF(" > %s", etheraddr_string(wh->i_addr1));
TCARR(wh->i_addr2);
PRINTF(", bssid %s, DS >", etheraddr_string(wh->i_addr2));
break;
case IEEE80211_FC1_DIR_DSTODS:
w4 = (struct ieee80211_frame_addr4 *) wh;
TCARR(w4->i_addr4);
PRINTF("%s", etheraddr_string(w4->i_addr4));
TCARR(w4->i_addr3);
PRINTF(" > %s", etheraddr_string(w4->i_addr3));
TCARR(w4->i_addr2);
PRINTF(", bssid %s", etheraddr_string(w4->i_addr2));
TCARR(w4->i_addr1);
PRINTF(" > %s, DS > DS", etheraddr_string(w4->i_addr1));
break;
}
if (vflag) {
TCARR(wh->i_seq);
PRINTF(" (seq %u)", letoh16(*(u_int16_t *)&wh->i_seq[0]));
}
return (0);
trunc:
/* Truncated elements in frame */
return (1);
}
int
ieee80211_hdr(struct ieee80211_frame *wh)
{
struct ieee80211_frame_addr4 *w4;
switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
case IEEE80211_FC1_DIR_NODS:
TCARR(wh->i_addr2);
printf("%s", etheraddr_string(wh->i_addr2));
TCARR(wh->i_addr1);
printf(" > %s", etheraddr_string(wh->i_addr1));
TCARR(wh->i_addr3);
printf(", bssid %s", etheraddr_string(wh->i_addr3));
break;
case IEEE80211_FC1_DIR_TODS:
TCARR(wh->i_addr2);
printf("%s", etheraddr_string(wh->i_addr2));
TCARR(wh->i_addr3);
printf(" > %s", etheraddr_string(wh->i_addr3));
TCARR(wh->i_addr1);
printf(", bssid %s, > DS", etheraddr_string(wh->i_addr1));
break;
case IEEE80211_FC1_DIR_FROMDS:
TCARR(wh->i_addr3);
printf("%s", etheraddr_string(wh->i_addr3));
TCARR(wh->i_addr1);
printf(" > %s", etheraddr_string(wh->i_addr1));
TCARR(wh->i_addr2);
printf(", bssid %s, DS >", etheraddr_string(wh->i_addr2));
break;
case IEEE80211_FC1_DIR_DSTODS:
w4 = (struct ieee80211_frame_addr4 *) wh;
TCARR(w4->i_addr4);
printf("%s", etheraddr_string(w4->i_addr4));
TCARR(w4->i_addr3);
printf(" > %s", etheraddr_string(w4->i_addr3));
TCARR(w4->i_addr2);
printf(", bssid %s", etheraddr_string(w4->i_addr2));
TCARR(w4->i_addr1);
printf(" > %s, DS > DS", etheraddr_string(w4->i_addr1));
break;
}
if (vflag) {
u_int16_t seq;
TCARR(wh->i_seq);
bcopy(wh->i_seq, &seq, sizeof(u_int16_t));
printf(" (seq %u): ", letoh16(seq));
} else
printf(": ");
return (0);
trunc:
/* Truncated elements in frame */
return (1);
}
int
ieee80211_frame(struct ieee80211_frame *wh)
{
u_int8_t subtype, type, *frm;
TCARR(wh->i_fc);
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
frm = (u_int8_t *)&wh[1];
switch (type) {
case IEEE80211_FC0_TYPE_DATA:
PRINTF(": data");
break;
case IEEE80211_FC0_TYPE_MGT:
PRINTF(": %s", ieee80211_mgt_subtype_name[
subtype >> IEEE80211_FC0_SUBTYPE_SHIFT]);
switch (subtype) {
case IEEE80211_FC0_SUBTYPE_BEACON:
case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
if (ieee80211_elements(wh) != 0)
goto trunc;
break;
case IEEE80211_FC0_SUBTYPE_AUTH:
TCHECK2(*frm, 2); /* Auth Algorithm */
switch (IEEE80211_AUTH_ALGORITHM(frm)) {
case IEEE80211_AUTH_ALG_OPEN:
TCHECK2(*frm, 4); /* Auth Transaction */
switch (IEEE80211_AUTH_TRANSACTION(frm)) {
case IEEE80211_AUTH_OPEN_REQUEST:
PRINTF(" request");
break;
case IEEE80211_AUTH_OPEN_RESPONSE:
PRINTF(" response");
break;
}
break;
case IEEE80211_AUTH_ALG_SHARED:
TCHECK2(*frm, 4); /* Auth Transaction */
switch (IEEE80211_AUTH_TRANSACTION(frm)) {
case IEEE80211_AUTH_SHARED_REQUEST:
PRINTF(" request");
break;
case IEEE80211_AUTH_SHARED_CHALLENGE:
PRINTF(" challenge");
break;
case IEEE80211_AUTH_SHARED_RESPONSE:
PRINTF(" response");
break;
case IEEE80211_AUTH_SHARED_PASS:
PRINTF(" pass");
break;
}
break;
case IEEE80211_AUTH_ALG_LEAP:
PRINTF(" (leap)");
break;
}
break;
}
break;
default:
PRINTF(": type#%d", type);
break;
}
if (wh->i_fc[1] & IEEE80211_FC1_WEP)
PRINTF(", WEP");
return (0);
trunc:
/* Truncated 802.11 frame */
return (1);
}
