Karma patch for madwifi 0.9.3.3 and 0.9.3.2
Created by Robin Wood (dninja@gmail.com)

For more information on this patch and other related items visit www.digininja.org

--- net80211/ieee80211_output.c	2007-07-25 16:14:52.000000000 +0100
+++ net80211/ieee80211_output.c-karma	2007-10-23 11:37:48.000000000 +0100
@@ -1879,9 +1879,17 @@
 		*(__le16 *)frm = htole16(capinfo);
 		frm += 2;
 
-		/* ssid */
-		frm = ieee80211_add_ssid(frm, vap->iv_bss->ni_essid,
-			vap->iv_bss->ni_esslen);
+		// KARMA: If argument is specified, on PROBE_RESP, it is
+		// the SSID to use in the response which is the same SSID 
+		// has the client sent). 
+		if (arg) {
+			u_int8_t* ssid = (u_int8_t*)arg;
+			frm = ieee80211_add_ssid(frm, ssid + 2, ssid[1]);
+		} else {
+			/* ssid */
+			frm = ieee80211_add_ssid(frm, vap->iv_bss->ni_essid,
+				vap->iv_bss->ni_esslen);
+		}
 
 		/* supported rates */
 		frm = ieee80211_add_rates(frm, &ni->ni_rates);
--- net80211/ieee80211_input.c	2007-07-25 16:26:38.000000000 +0100
+++ net80211/ieee80211_input.c-karma	2007-10-23 11:40:09.000000000 +0100
@@ -1642,15 +1642,16 @@
 } while (0)
 
 #ifdef IEEE80211_DEBUG
-static void
-ieee80211_ssid_mismatch(struct ieee80211vap *vap, const char *tag,
-	u_int8_t mac[IEEE80211_ADDR_LEN], u_int8_t *ssid)
-{
-	printf("[%s] discard %s frame, ssid mismatch: ",
-		ether_sprintf(mac), tag);
-	ieee80211_print_essid(ssid + 2, ssid[1]);
-	printf("\n");
-}
+// KARMA - not used so removed
+//static void
+//ieee80211_ssid_mismatch(struct ieee80211vap *vap, const char *tag,
+//	u_int8_t mac[IEEE80211_ADDR_LEN], u_int8_t *ssid)
+//{
+//	printf("[%s] discard %s frame, ssid mismatch: ",
+//		ether_sprintf(mac), tag);
+//	ieee80211_print_essid(ssid + 2, ssid[1]);
+//	printf("\n");
+//}
 
 #define	IEEE80211_VERIFY_SSID(_ni, _ssid) do {				\
 	if ((_ssid)[1] != 0 &&						\
@@ -2990,7 +2991,8 @@
 			return;
 		IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE);
 		IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN);
-		IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
+		// KARMA: Don't verify SSID on Probe Requests
+		// IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
 		if ((vap->iv_flags & IEEE80211_F_HIDESSID) && ssid[1] == 0) {
 			IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
 				wh, ieee80211_mgt_subtype_name[subtype >>
@@ -3031,8 +3033,16 @@
 					IEEE80211_FC0_SUBTYPE_SHIFT],
 				"%s", "recv'd rate set invalid");
 		} else {
+			// KARMA: Print the probe response if in adhoc mode
+			if (vap->iv_opmode == IEEE80211_M_IBSS) {
+				printf ("KARMA: Probe response for [");
+				ieee80211_print_essid(ssid + 2, ssid[1]);
+				printf ("]\n");
+			}
+
+			// KARMA: Respond with the appropriate ssid
 			IEEE80211_SEND_MGMT(ni,
-				IEEE80211_FC0_SUBTYPE_PROBE_RESP, 0);
+				IEEE80211_FC0_SUBTYPE_PROBE_RESP, (int)ssid);
 		}
 		if (allocbs && vap->iv_opmode != IEEE80211_M_IBSS) {
 			/*
@@ -3218,7 +3228,8 @@
 			return;
 		IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE);
 		IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN);
-		IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
+		// KARMA: Don't verify SSID on Association Requests
+		//IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
 
 		if (ni == vap->iv_bss) {
 			IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, wh->i_addr2,
@@ -3397,6 +3408,13 @@
 
 		/* Send TGf L2UF frame on behalf of newly associated station */
 		ieee80211_deliver_l2uf(ni);
+
+		// KARMA: Log SSID that client thinks they are associating to
+		printf("KARMA: Node [%s] associating to ssid [",
+			ether_sprintf(wh->i_addr2)); 
+		ieee80211_print_essid(ssid + 2, ssid[1]);
+		printf("]\n");
+
 		ieee80211_node_join(ni, resp);
 #ifdef ATH_SUPERG_XR
 		if (ni->ni_prev_vap &&