print rsn capabilities field

diff --git a/scan.c b/scan.c
index 78dc3592c4eb7d2b78d2430c506c8c06431a51bd..14e92cca19fc9788446f3ccd808869894fa0624c 100644 (file)
--- a/scan.c
+++ b/scan.c
@@ -367,13 +367,53 @@ static void print_rsn_ie(const char *defcipher, const char *defauth,
        if (len >= 2) {
                capa = data[0] | (data[1] << 8);
                tab_on_first(&first);
-               printf("\t * Capabilities: 0x%.4x\n", capa);
-
+               printf("\t * Capabilities:");
+               if (capa & 0x0001)
+                       printf(" PreAuth");
+               if (capa & 0x0002)
+                       printf(" NoPairwise");
+               switch ((capa & 0x000c) >> 2) {
+               case 0:
+                       break;
+               case 1:
+                       printf(" 2-PTKSA-RC");
+                       break;
+               case 2:
+                       printf(" 4-PTKSA-RC");
+                       break;
+               case 3:
+                       printf(" 16-PTKSA-RC");
+                       break;
+               }
+               switch ((capa & 0x0030) >> 4) {
+               case 0:
+                       break;
+               case 1:
+                       printf(" 2-GTKSA-RC");
+                       break;
+               case 2:
+                       printf(" 4-GTKSA-RC");
+                       break;
+               case 3:
+                       printf(" 16-GTKSA-RC");
+                       break;
+               }
+               if (capa & 0x0040)
+                       printf(" MFP-required");
+               if (capa & 0x0080)
+                       printf(" MFP-capable");
+               if (capa & 0x0200)
+                       printf(" Peerkey-enabled");
+               if (capa & 0x0400)
+                       printf(" SPP-AMSDU-capable");
+               if (capa & 0x0800)
+                       printf(" SPP-AMSDU-required");
+               printf(" (0x%.4x)\n", capa);
                data += 2;
                len -= 2;
        }
 
-invalid:
+ invalid:
        if (len != 0) {
                printf("\t\t * bogus tail data (%d):", len);
                while (len) {