X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/c1c3c77463d592cc576eaa491e604752044ca55a..febd0bc5aa33b3de9b5864e8c5565fe7b63f519f:/print-lldp.c

diff --git a/print-lldp.c b/print-lldp.c
index 7d4c792b..9e7b2bd4 100644
--- a/print-lldp.c
+++ b/print-lldp.c
@@ -12,18 +12,18 @@
  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  * FOR A PARTICULAR PURPOSE.
  *
- * support for the IEEE Link Discovery Protocol as per 802.1AB
- *
- * Original code by Hannes Gredler (hannes@juniper.net)
+ * Original code by Hannes Gredler (hannes@gredler.at)
  * IEEE and TIA extensions by Carles Kishimoto <carles.kishimoto@gmail.com>
  * DCBX extensions by Kaladhar Musunuru <kaladharm@sourceforge.net>
  */
 
+/* \summary: IEEE 802.1ab Link Layer Discovery Protocol (LLDP) printer */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <stdio.h>
 
@@ -601,6 +601,14 @@ static const struct tok lldp_evb_mode_values[]={
 #define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH                      9
 #define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH                 8
 
+#define LLDP_IANA_SUBTYPE_MUDURL 1
+
+static const struct tok lldp_iana_subtype_values[] =   {
+    { LLDP_IANA_SUBTYPE_MUDURL, "MUD-URL" },
+    { 0, NULL }
+};
+
+
 static void
 print_ets_priority_assignment_table(netdissect_options *ndo,
                                     const u_char *ptr)
@@ -914,6 +922,40 @@ lldp_extract_latlon(const u_char *tptr)
     return latlon;
 }
 
+/* objects defined in IANA subtype 00 00 5e
+ * (right now there is only one)
+ */
+
+ 
+static int
+lldp_private_iana_print(netdissect_options *ndo,
+                        const u_char *tptr, u_int tlv_len)
+{
+    int subtype, hexdump = FALSE;
+
+    if (tlv_len < 8) {
+        return hexdump;
+    }
+    subtype = *(tptr+3);
+
+    ND_PRINT((ndo, "\n\t  %s Subtype (%u)",
+           tok2str(lldp_iana_subtype_values, "unknown", subtype),
+           subtype));
+
+    switch (subtype) {
+    case LLDP_IANA_SUBTYPE_MUDURL:
+        ND_PRINT((ndo, "\n\t  MUD-URL="));
+        (void)fn_printn(ndo, tptr+4, tlv_len-4, NULL);
+        break;
+    default:
+        hexdump=TRUE;
+    }
+    
+    return hexdump;
+}
+
+
+      
 /*
  * Print private TIA extensions.
  */
@@ -1278,15 +1320,15 @@ lldp_network_addr_print(netdissect_options *ndo, const u_char *tptr, u_int len)
     case AFNUM_INET:
         if (len < 4)
           return NULL;
+        /* This cannot be assigned to ipaddr_string(), which is a macro. */
         pfunc = getname;
         break;
-#ifdef INET6
     case AFNUM_INET6:
         if (len < 16)
           return NULL;
+        /* This cannot be assigned to ip6addr_string(), which is a macro. */
         pfunc = getname6;
         break;
-#endif
     case AFNUM_802:
         if (len < 6)
           return NULL;
@@ -1573,6 +1615,9 @@ lldp_print(netdissect_options *ndo,
                 case OUI_IEEE_8023_PRIVATE:
                     hexdump = lldp_private_8023_print(ndo, tptr, tlv_len);
                     break;
+		case OUI_IANA:
+                    hexdump = lldp_private_iana_print(ndo, tptr, tlv_len);
+                    break;
                 case OUI_TIA:
                     hexdump = lldp_private_tia_print(ndo, tptr, tlv_len);
                     break;