From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 29 Sep 2010 10:45:06 +0000 (+0200)
Subject: parse RSN IE information on PMKIDs and mgmt cipher suite
X-Git-Tag: v0.9.22~35
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5ba3f5236af15d045c3278194fd198a1addd3868;p=thirdparty%2Fiw.git

parse RSN IE information on PMKIDs and mgmt cipher suite
---

diff --git a/scan.c b/scan.c
index 1a8c3b3..3b5fb60 100644
--- a/scan.c
+++ b/scan.c
@@ -468,6 +468,28 @@ static void print_rsn_ie(const char *defcipher, const char *defauth,
 		len -= 2;
 	}
 
+	if (len >= 2) {
+		int pmkid_count = data[0] | (data[1] << 8);
+
+		if (len >= 2 + 16 * pmkid_count) {
+			tab_on_first(&first);
+			printf("\t * %d PMKIDs\n", pmkid_count);
+			/* not printing PMKID values */
+			data += 2 + 16 * pmkid_count;
+			len -= 2 + 16 * pmkid_count;
+		} else
+			goto invalid;
+	}
+
+	if (len >= 4) {
+		tab_on_first(&first);
+		printf("\t * Group mgmt cipher suite: ");
+		print_cipher(data);
+		printf("\n");
+		data += 4;
+		len -= 4;
+	}
+
  invalid:
 	if (len != 0) {
 		printf("\t\t * bogus tail data (%d):", len);