CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10

[tcpdump] / print-babel.c

diff --git a/print-babel.c b/print-babel.c
index 84acf863a14d672e972994b22bb6742cf5ffdd02..c7593ce1f2d16ac2582950d5fec58aeee8d9f3e7 100644 (file)
--- a/print-babel.c
+++ b/print-babel.c
@@ -27,10 +27,17 @@
  */
 
 /* \summary: Babel Routing Protocol printer */
  */
 
 /* \summary: Babel Routing Protocol printer */

+/* Specifications:
+ *
+ * RFC 6126
+ * RFC 7298
+ * RFC 7557
+ * draft-ietf-babel-rfc6126bis-17
+ * draft-ietf-babel-hmac-10
+ * draft-ietf-babel-source-specific-0
+ */

 
 

-#ifdef HAVE_CONFIG_H

 #include <config.h>
 #include <config.h>

-#endif

 
 #include "netdissect-stdinc.h"
 
 
 #include "netdissect-stdinc.h"
 


@@ -41,7 +48,6 @@
 #include "addrtoname.h"
 #include "extract.h"
 
 #include "addrtoname.h"
 #include "extract.h"
 

-

 static void babel_print_v2(netdissect_options *, const u_char *cp, u_int length);
 
 void
 static void babel_print_v2(netdissect_options *, const u_char *cp, u_int length);
 
 void


@@ -49,18 +55,18 @@ babel_print(netdissect_options *ndo,
             const u_char *cp, u_int length)
 {
     ndo->ndo_protocol = "babel";
             const u_char *cp, u_int length)
 {
     ndo->ndo_protocol = "babel";

-    ND_PRINT("babel");
+    nd_print_protocol(ndo);

 
     ND_TCHECK_4(cp);
 
 
     ND_TCHECK_4(cp);
 

-    if(EXTRACT_U_1(cp) != 42) {
+    if(GET_U_1(cp) != 42) {

         ND_PRINT(" invalid header");
         return;
     } else {
         ND_PRINT(" invalid header");
         return;
     } else {

-        ND_PRINT(" %u", EXTRACT_U_1(cp + 1));
+        ND_PRINT(" %u", GET_U_1(cp + 1));

     }
 
     }
 

-    switch(EXTRACT_U_1(cp + 1)) {
+    switch(GET_U_1(cp + 1)) {

     case 2:
         babel_print_v2(ndo, cp, length);
         break;
     case 2:
         babel_print_v2(ndo, cp, length);
         break;


@@ -73,7 +79,6 @@ babel_print(netdissect_options *ndo,
 
  trunc:
     nd_print_trunc(ndo);
 
  trunc:
     nd_print_trunc(ndo);

-    return;

 }
 
 /* TLVs */
 }
 
 /* TLVs */


@@ -93,6 +98,10 @@ babel_print(netdissect_options *ndo,
 #define MESSAGE_UPDATE_SRC_SPECIFIC 13 /* last appearance in draft-boutier-babel-source-specific-01 */
 #define MESSAGE_REQUEST_SRC_SPECIFIC 14 /* idem */
 #define MESSAGE_MH_REQUEST_SRC_SPECIFIC 15 /* idem */
 #define MESSAGE_UPDATE_SRC_SPECIFIC 13 /* last appearance in draft-boutier-babel-source-specific-01 */
 #define MESSAGE_REQUEST_SRC_SPECIFIC 14 /* idem */
 #define MESSAGE_MH_REQUEST_SRC_SPECIFIC 15 /* idem */

+#define MESSAGE_MAC 16
+#define MESSAGE_PC 17
+#define MESSAGE_CHALLENGE_REQUEST 18
+#define MESSAGE_CHALLENGE_REPLY 19

 
 /* sub-TLVs */
 #define MESSAGE_SUB_PAD1 0
 
 /* sub-TLVs */
 #define MESSAGE_SUB_PAD1 0


@@ -100,6 +109,12 @@ babel_print(netdissect_options *ndo,
 #define MESSAGE_SUB_DIVERSITY 2
 #define MESSAGE_SUB_TIMESTAMP 3
 
 #define MESSAGE_SUB_DIVERSITY 2
 #define MESSAGE_SUB_TIMESTAMP 3
 

+/* "Mandatory" bit in sub-TLV types */
+#define MANDATORY_MASK 0x80
+
+/* Flags for the Hello TLV */
+#define UNICAST_MASK 0x8000
+

 /* Diversity sub-TLV channel codes */
 static const struct tok diversity_str[] = {
     { 0,   "reserved" },
 /* Diversity sub-TLV channel codes */
 static const struct tok diversity_str[] = {
     { 0,   "reserved" },


@@ -108,13 +123,13 @@ static const struct tok diversity_str[] = {
 };
 
 static const char *
 };
 
 static const char *

-format_id(const u_char *id)
+format_id(netdissect_options *ndo, const u_char *id)

 {
     static char buf[25];
 {
     static char buf[25];

-    nd_snprintf(buf, 25, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
-             EXTRACT_U_1(id), EXTRACT_U_1(id + 1), EXTRACT_U_1(id + 2),
-             EXTRACT_U_1(id + 3), EXTRACT_U_1(id + 4), EXTRACT_U_1(id + 5),
-             EXTRACT_U_1(id + 6), EXTRACT_U_1(id + 7));
+    snprintf(buf, 25, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+             GET_U_1(id), GET_U_1(id + 1), GET_U_1(id + 2),
+             GET_U_1(id + 3), GET_U_1(id + 4), GET_U_1(id + 5),
+             GET_U_1(id + 6), GET_U_1(id + 7));

     buf[24] = '\0';
     return buf;
 }
     buf[24] = '\0';
     return buf;
 }


@@ -126,10 +141,16 @@ static const char *
 format_prefix(netdissect_options *ndo, const u_char *prefix, unsigned char plen)
 {
     static char buf[50];
 format_prefix(netdissect_options *ndo, const u_char *prefix, unsigned char plen)
 {
     static char buf[50];

+
+    /*
+     * prefix points to a buffer on the stack into which the prefix has
+     * been placed, so we can't use GET_IPADDR_STRING() or
+     * GET_IP6ADDR_STRING() on it.
+     */

     if(plen >= 96 && memcmp(prefix, v4prefix, 12) == 0)
     if(plen >= 96 && memcmp(prefix, v4prefix, 12) == 0)

-        nd_snprintf(buf, 50, "%s/%u", ipaddr_string(ndo, prefix + 12), plen - 96);
+        snprintf(buf, 50, "%s/%u", ipaddr_string(ndo, prefix + 12), plen - 96);

     else
     else

-        nd_snprintf(buf, 50, "%s/%u", ip6addr_string(ndo, prefix), plen);
+        snprintf(buf, 50, "%s/%u", ip6addr_string(ndo, prefix), plen);

     buf[49] = '\0';
     return buf;
 }
     buf[49] = '\0';
     return buf;
 }


@@ -137,6 +158,11 @@ format_prefix(netdissect_options *ndo, const u_char *prefix, unsigned char plen)
 static const char *
 format_address(netdissect_options *ndo, const u_char *prefix)
 {
 static const char *
 format_address(netdissect_options *ndo, const u_char *prefix)
 {

+    /*
+     * prefix points to a buffer on the stack into which the prefix has
+     * been placed, so we can't use GET_IPADDR_STRING() or
+     * GET_IP6ADDR_STRING() on it.
+     */

     if(memcmp(prefix, v4prefix, 12) == 0)
         return ipaddr_string(ndo, prefix + 12);
     else
     if(memcmp(prefix, v4prefix, 12) == 0)
         return ipaddr_string(ndo, prefix + 12);
     else


@@ -150,7 +176,7 @@ format_interval(const uint16_t i)
 
     if (i == 0)
         return "0.0s (bogus)";
 
     if (i == 0)
         return "0.0s (bogus)";

-    nd_snprintf(buf, sizeof(buf), "%u.%02us", i / 100, i % 100);
+    snprintf(buf, sizeof(buf), "%u.%02us", i / 100, i % 100);

     return buf;
 }
 
     return buf;
 }
 


@@ -164,7 +190,7 @@ static const char *
 format_timestamp(const uint32_t i)
 {
     static char buf[sizeof("0000.000000s")];
 format_timestamp(const uint32_t i)
 {
     static char buf[sizeof("0000.000000s")];

-    nd_snprintf(buf, sizeof(buf), "%u.%06us", i / 1000000, i % 1000000);
+    snprintf(buf, sizeof(buf), "%u.%06us", i / 1000000, i % 1000000);

     return buf;
 }
 
     return buf;
 }
 


@@ -251,7 +277,7 @@ network_address(int ae, const unsigned char *a, unsigned int len,
  * o Type 1 stands for PadN sub-TLV with the same encoding as the PadN TLV.
  * o Type 2 stands for Diversity sub-TLV, which propagates diversity routing
  *   data. Its body is a variable-length sequence of 8-bit unsigned integers,
  * o Type 1 stands for PadN sub-TLV with the same encoding as the PadN TLV.
  * o Type 2 stands for Diversity sub-TLV, which propagates diversity routing
  *   data. Its body is a variable-length sequence of 8-bit unsigned integers,

- *   each representing per-hop number of interferring radio channel for the
+ *   each representing per-hop number of interfering radio channel for the

  *   prefix. Channel 0 is invalid and must not be used in the sub-TLV, channel
  *   255 interferes with any other channel.
  * o Type 3 stands for Timestamp sub-TLV, used to compute RTT between
  *   prefix. Channel 0 is invalid and must not be used in the sub-TLV, channel
  *   255 interferes with any other channel.
  * o Type 3 stands for Timestamp sub-TLV, used to compute RTT between


@@ -276,15 +302,17 @@ subtlvs_print(netdissect_options *ndo,
     uint32_t t1, t2;
 
     while (cp < ep) {
     uint32_t t1, t2;
 
     while (cp < ep) {

-        subtype = EXTRACT_U_1(cp);
+        subtype = GET_U_1(cp);

         cp++;
         if(subtype == MESSAGE_SUB_PAD1) {
             ND_PRINT(" sub-pad1");
             continue;
         }
         cp++;
         if(subtype == MESSAGE_SUB_PAD1) {
             ND_PRINT(" sub-pad1");
             continue;
         }

+        if ((MANDATORY_MASK & subtype) != 0)
+            ND_PRINT(" (M)");

         if(cp == ep)
             goto invalid;
         if(cp == ep)
             goto invalid;

-        sublen = EXTRACT_U_1(cp);
+        sublen = GET_U_1(cp);

         cp++;
         if(cp + sublen > ep)
             goto invalid;
         cp++;
         if(cp + sublen > ep)
             goto invalid;


@@ -301,10 +329,12 @@ subtlvs_print(netdissect_options *ndo,
                 break;
             }
             sep = " ";
                 break;
             }
             sep = " ";

-            while(sublen--) {
-                ND_PRINT("%s%s", sep, tok2str(diversity_str, "%u", EXTRACT_U_1(cp)));
+            while (sublen) {
+                ND_PRINT("%s%s", sep,
+                         tok2str(diversity_str, "%u", GET_U_1(cp)));

                 cp++;
                 sep = "-";
                 cp++;
                 sep = "-";

+                sublen--;

             }
             if(tlv_type != MESSAGE_UPDATE &&
                tlv_type != MESSAGE_UPDATE_SRC_SPECIFIC)
             }
             if(tlv_type != MESSAGE_UPDATE &&
                tlv_type != MESSAGE_UPDATE_SRC_SPECIFIC)


@@ -315,14 +345,14 @@ subtlvs_print(netdissect_options *ndo,
             if(tlv_type == MESSAGE_HELLO) {
                 if(sublen < 4)
                     goto invalid;
             if(tlv_type == MESSAGE_HELLO) {
                 if(sublen < 4)
                     goto invalid;

-                t1 = EXTRACT_BE_U_4(cp);
+                t1 = GET_BE_U_4(cp);

                 ND_PRINT(" %s", format_timestamp(t1));
             } else if(tlv_type == MESSAGE_IHU) {
                 if(sublen < 8)
                     goto invalid;
                 ND_PRINT(" %s", format_timestamp(t1));
             } else if(tlv_type == MESSAGE_IHU) {
                 if(sublen < 8)
                     goto invalid;

-                t1 = EXTRACT_BE_U_4(cp);
+                t1 = GET_BE_U_4(cp);

                 ND_PRINT(" %s", format_timestamp(t1));
                 ND_PRINT(" %s", format_timestamp(t1));

-                t2 = EXTRACT_BE_U_4(cp + 4);
+                t2 = GET_BE_U_4(cp + 4);

                 ND_PRINT("|%s", format_timestamp(t2));
             } else
                 ND_PRINT(" (bogus)");
                 ND_PRINT("|%s", format_timestamp(t2));
             } else
                 ND_PRINT(" (bogus)");


@@ -340,45 +370,40 @@ subtlvs_print(netdissect_options *ndo,
 }
 
 #define ICHECK(i, l) \
 }
 
 #define ICHECK(i, l) \

-       if ((i) + (l) > bodylen || (i) + (l) > length) goto invalid;
+       if ((i) + (l) > tlvs_length || (i) + (l) > packet_length_remaining) \
+           goto invalid;

 
 

-static void
-babel_print_v2(netdissect_options *ndo,
-               const u_char *cp, u_int length)
+static int
+babel_print_v2_tlvs(netdissect_options *ndo,
+                    const u_char *cp, u_int tlvs_length,
+                    u_int packet_length_remaining)

 {
     u_int i;
 {
     u_int i;

-    u_short bodylen;

     u_char v4_prefix[16] =
         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0, 0, 0, 0 };
     u_char v6_prefix[16] = {0};
 
     u_char v4_prefix[16] =
         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0, 0, 0, 0 };
     u_char v6_prefix[16] = {0};
 

-    ND_TCHECK_4(cp);
-    if (length < 4)
-        goto invalid;
-    bodylen = EXTRACT_BE_U_2(cp + 2);
-    ND_PRINT(" (%u)", bodylen);
-
-    /* Process the TLVs in the body */

     i = 0;
     i = 0;

-    while(i < bodylen) {
+    while(i < tlvs_length) {

         const u_char *message;
         const u_char *message;

-        u_int type, len;
+        uint8_t type;
+        u_int len;

 
 

-        message = cp + 4 + i;
+        message = cp + i;

 
 

-        ND_TCHECK_1(message);
-        if((type = EXTRACT_U_1(message)) == MESSAGE_PAD1) {
+        ICHECK(i, 1);
+        if((type = GET_U_1(message)) == MESSAGE_PAD1) {

             ND_PRINT(ndo->ndo_vflag ? "\n\tPad 1" : " pad1");
             i += 1;
             continue;
         }
 
             ND_PRINT(ndo->ndo_vflag ? "\n\tPad 1" : " pad1");
             i += 1;
             continue;
         }
 

-        ND_TCHECK_2(message);

         ICHECK(i, 2);
         ICHECK(i, 2);

-        len = EXTRACT_U_1(message + 1);
+        ND_TCHECK_2(message);
+        len = GET_U_1(message + 1);

 
 

-        ND_TCHECK_LEN(message, 2 + len);

         ICHECK(i, 2 + len);
         ICHECK(i, 2 + len);

+        ND_TCHECK_LEN(message, 2 + len);

 
         switch(type) {
         case MESSAGE_PADN: {
 
         switch(type) {
         case MESSAGE_PADN: {


@@ -396,8 +421,8 @@ babel_print_v2(netdissect_options *ndo,
             else {
                 ND_PRINT("\n\tAcknowledgment Request ");
                 if(len < 6) goto invalid;
             else {
                 ND_PRINT("\n\tAcknowledgment Request ");
                 if(len < 6) goto invalid;

-                nonce = EXTRACT_BE_U_2(message + 4);
-                interval = EXTRACT_BE_U_2(message + 6);
+                nonce = GET_BE_U_2(message + 4);
+                interval = GET_BE_U_2(message + 6);

                 ND_PRINT("%04x %s", nonce, format_interval(interval));
             }
         }
                 ND_PRINT("%04x %s", nonce, format_interval(interval));
             }
         }


@@ -410,22 +435,29 @@ babel_print_v2(netdissect_options *ndo,
             else {
                 ND_PRINT("\n\tAcknowledgment ");
                 if(len < 2) goto invalid;
             else {
                 ND_PRINT("\n\tAcknowledgment ");
                 if(len < 2) goto invalid;

-                nonce = EXTRACT_BE_U_2(message + 2);
+                nonce = GET_BE_U_2(message + 2);

                 ND_PRINT("%04x", nonce);
             }
         }
             break;
 
         case MESSAGE_HELLO:  {
                 ND_PRINT("%04x", nonce);
             }
         }
             break;
 
         case MESSAGE_HELLO:  {

-            u_short seqno, interval;
+            u_short seqno, interval, unicast;

             if (!ndo->ndo_vflag)
                 ND_PRINT(" hello");
             else {
                 ND_PRINT("\n\tHello ");
                 if(len < 6) goto invalid;
             if (!ndo->ndo_vflag)
                 ND_PRINT(" hello");
             else {
                 ND_PRINT("\n\tHello ");
                 if(len < 6) goto invalid;

-                seqno = EXTRACT_BE_U_2(message + 4);
-                interval = EXTRACT_BE_U_2(message + 6);
-                ND_PRINT("seqno %u interval %s", seqno, format_interval(interval));
+                unicast = (GET_BE_U_2(message + 2) & UNICAST_MASK);
+                seqno = GET_BE_U_2(message + 4);
+                interval = GET_BE_U_2(message + 6);
+                if(unicast)
+                     ND_PRINT("(Unicast) ");
+                ND_PRINT("seqno %u ", seqno);
+                if(interval!=0)
+                    ND_PRINT("interval %s", format_interval(interval));
+                else
+                    ND_PRINT("unscheduled");

                 /* Extra data. */
                 if(len > 6)
                     subtlvs_print(ndo, message + 8, message + 2 + len, type);
                 /* Extra data. */
                 if(len > 6)
                     subtlvs_print(ndo, message + 8, message + 2 + len, type);


@@ -443,9 +475,9 @@ babel_print_v2(netdissect_options *ndo,
                 int rc;
                 ND_PRINT("\n\tIHU ");
                 if(len < 6) goto invalid;
                 int rc;
                 ND_PRINT("\n\tIHU ");
                 if(len < 6) goto invalid;

-                rxcost = EXTRACT_BE_U_2(message + 4);
-                interval = EXTRACT_BE_U_2(message + 6);
-                ae = EXTRACT_U_1(message + 2);
+                rxcost = GET_BE_U_2(message + 4);
+                interval = GET_BE_U_2(message + 6);
+                ae = GET_U_1(message + 2);

                 rc = network_address(ae, message + 8,
                                      len - 6, address);
                 if(rc < 0) { nd_print_trunc(ndo); break; }
                 rc = network_address(ae, message + 8,
                                      len - 6, address);
                 if(rc < 0) { nd_print_trunc(ndo); break; }


@@ -466,7 +498,7 @@ babel_print_v2(netdissect_options *ndo,
             else {
                 ND_PRINT("\n\tRouter Id");
                 if(len < 10) goto invalid;
             else {
                 ND_PRINT("\n\tRouter Id");
                 if(len < 10) goto invalid;

-                ND_PRINT(" %s", format_id(message + 4));
+                ND_PRINT(" %s", format_id(ndo, message + 4));

             }
         }
             break;
             }
         }
             break;


@@ -480,7 +512,7 @@ babel_print_v2(netdissect_options *ndo,
                 u_char nh[16];
                 ND_PRINT("\n\tNext Hop");
                 if(len < 2) goto invalid;
                 u_char nh[16];
                 ND_PRINT("\n\tNext Hop");
                 if(len < 2) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
+                ae = GET_U_1(message + 2);

                 rc = network_address(ae, message + 4,
                                      len - 2, nh);
                 if(rc < 0) goto invalid;
                 rc = network_address(ae, message + 4,
                                      len - 2, nh);
                 if(rc < 0) goto invalid;


@@ -492,13 +524,13 @@ babel_print_v2(netdissect_options *ndo,
         case MESSAGE_UPDATE: {
             if (!ndo->ndo_vflag) {
                 ND_PRINT(" update");
         case MESSAGE_UPDATE: {
             if (!ndo->ndo_vflag) {
                 ND_PRINT(" update");

-                if(len < 1)
-                    ND_PRINT("/truncated");
+                if(len < 10)
+                    goto invalid;

                 else
                     ND_PRINT("%s%s%s",
                 else
                     ND_PRINT("%s%s%s",

-                           (EXTRACT_U_1(message + 3) & 0x80) ? "/prefix": "",
-                           (EXTRACT_U_1(message + 3) & 0x40) ? "/id" : "",
-                           (EXTRACT_U_1(message + 3) & 0x3f) ? "/unknown" : "");
+                           (GET_U_1(message + 3) & 0x80) ? "/prefix": "",
+                           (GET_U_1(message + 3) & 0x40) ? "/id" : "",
+                           (GET_U_1(message + 3) & 0x3f) ? "/unknown" : "");

             } else {
                 u_short interval, seqno, metric;
                 u_char ae, plen;
             } else {
                 u_short interval, seqno, metric;
                 u_char ae, plen;


@@ -506,26 +538,26 @@ babel_print_v2(netdissect_options *ndo,
                 u_char prefix[16];
                 ND_PRINT("\n\tUpdate");
                 if(len < 10) goto invalid;
                 u_char prefix[16];
                 ND_PRINT("\n\tUpdate");
                 if(len < 10) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                plen = EXTRACT_U_1(message + 4) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
+                ae = GET_U_1(message + 2);
+                plen = GET_U_1(message + 4) + (GET_U_1(message + 2) == 1 ? 96 : 0);

                 rc = network_prefix(ae,
                 rc = network_prefix(ae,

-                                    EXTRACT_U_1(message + 4),
-                                    EXTRACT_U_1(message + 5),
+                                    GET_U_1(message + 4),
+                                    GET_U_1(message + 5),

                                     message + 12,
                                     message + 12,

-                                    EXTRACT_U_1(message + 2) == 1 ? v4_prefix : v6_prefix,
+                                    GET_U_1(message + 2) == 1 ? v4_prefix : v6_prefix,

                                     len - 10, prefix);
                 if(rc < 0) goto invalid;
                                     len - 10, prefix);
                 if(rc < 0) goto invalid;

-                interval = EXTRACT_BE_U_2(message + 6);
-                seqno = EXTRACT_BE_U_2(message + 8);
-                metric = EXTRACT_BE_U_2(message + 10);
+                interval = GET_BE_U_2(message + 6);
+                seqno = GET_BE_U_2(message + 8);
+                metric = GET_BE_U_2(message + 10);

                 ND_PRINT("%s%s%s %s metric %u seqno %u interval %s",
                 ND_PRINT("%s%s%s %s metric %u seqno %u interval %s",

-                       (EXTRACT_U_1(message + 3) & 0x80) ? "/prefix": "",
-                       (EXTRACT_U_1(message + 3) & 0x40) ? "/id" : "",
-                       (EXTRACT_U_1(message + 3) & 0x3f) ? "/unknown" : "",
+                       (GET_U_1(message + 3) & 0x80) ? "/prefix": "",
+                       (GET_U_1(message + 3) & 0x40) ? "/id" : "",
+                       (GET_U_1(message + 3) & 0x3f) ? "/unknown" : "",

                        ae == 0 ? "any" : format_prefix(ndo, prefix, plen),
                        metric, seqno, format_interval_update(interval));
                        ae == 0 ? "any" : format_prefix(ndo, prefix, plen),
                        metric, seqno, format_interval_update(interval));

-                if(EXTRACT_U_1(message + 3) & 0x80) {
-                    if(EXTRACT_U_1(message + 2) == 1)
+                if(GET_U_1(message + 3) & 0x80) {
+                    if(GET_U_1(message + 2) == 1)

                         memcpy(v4_prefix, prefix, 16);
                     else
                         memcpy(v6_prefix, prefix, 16);
                         memcpy(v4_prefix, prefix, 16);
                     else
                         memcpy(v6_prefix, prefix, 16);


@@ -545,10 +577,10 @@ babel_print_v2(netdissect_options *ndo,
                 u_char prefix[16], ae, plen;
                 ND_PRINT("\n\tRoute Request ");
                 if(len < 2) goto invalid;
                 u_char prefix[16], ae, plen;
                 ND_PRINT("\n\tRoute Request ");
                 if(len < 2) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                plen = EXTRACT_U_1(message + 3) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
+                ae = GET_U_1(message + 2);
+                plen = GET_U_1(message + 3) + (GET_U_1(message + 2) == 1 ? 96 : 0);

                 rc = network_prefix(ae,
                 rc = network_prefix(ae,

-                                    EXTRACT_U_1(message + 3), 0,
+                                    GET_U_1(message + 3), 0,

                                     message + 4, NULL, len - 2, prefix);
                 if(rc < 0) goto invalid;
                 ND_PRINT("for %s",
                                     message + 4, NULL, len - 2, prefix);
                 if(rc < 0) goto invalid;
                 ND_PRINT("for %s",


@@ -566,17 +598,17 @@ babel_print_v2(netdissect_options *ndo,
                 u_char prefix[16], ae, plen;
                 ND_PRINT("\n\tSeqno Request ");
                 if(len < 14) goto invalid;
                 u_char prefix[16], ae, plen;
                 ND_PRINT("\n\tSeqno Request ");
                 if(len < 14) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                seqno = EXTRACT_BE_U_2(message + 4);
+                ae = GET_U_1(message + 2);
+                seqno = GET_BE_U_2(message + 4);

                 rc = network_prefix(ae,
                 rc = network_prefix(ae,

-                                    EXTRACT_U_1(message + 3), 0,
+                                    GET_U_1(message + 3), 0,

                                     message + 16, NULL, len - 14, prefix);
                 if(rc < 0) goto invalid;
                                     message + 16, NULL, len - 14, prefix);
                 if(rc < 0) goto invalid;

-                plen = EXTRACT_U_1(message + 3) + (EXTRACT_U_1(message + 2) == 1 ? 96 : 0);
+                plen = GET_U_1(message + 3) + (GET_U_1(message + 2) == 1 ? 96 : 0);

                 ND_PRINT("(%u hops) for %s seqno %u id %s",
                 ND_PRINT("(%u hops) for %s seqno %u id %s",

-                       EXTRACT_U_1(message + 6),
+                       GET_U_1(message + 6),

                        ae == 0 ? "invalid AE 0" : format_prefix(ndo, prefix, plen),
                        ae == 0 ? "invalid AE 0" : format_prefix(ndo, prefix, plen),

-                       seqno, format_id(message + 8));
+                       seqno, format_id(ndo, message + 8));

             }
         }
             break;
             }
         }
             break;


@@ -586,8 +618,9 @@ babel_print_v2(netdissect_options *ndo,
             else {
                 ND_PRINT("\n\tTS/PC ");
                 if(len < 6) goto invalid;
             else {
                 ND_PRINT("\n\tTS/PC ");
                 if(len < 6) goto invalid;

-                ND_PRINT("timestamp %u packetcounter %u", EXTRACT_BE_U_4(message + 4),
-                          EXTRACT_BE_U_2(message + 2));
+                ND_PRINT("timestamp %u packetcounter %u",
+                          GET_BE_U_4(message + 4),
+                          GET_BE_U_2(message + 2));

             }
             break;
         case MESSAGE_HMAC : {
             }
             break;
         case MESSAGE_HMAC : {


@@ -597,9 +630,10 @@ babel_print_v2(netdissect_options *ndo,
                 unsigned j;
                 ND_PRINT("\n\tHMAC ");
                 if(len < 18) goto invalid;
                 unsigned j;
                 ND_PRINT("\n\tHMAC ");
                 if(len < 18) goto invalid;

-                ND_PRINT("key-id %u digest-%u ", EXTRACT_BE_U_2(message + 2), len - 2);
+                ND_PRINT("key-id %u digest-%u ", GET_BE_U_2(message + 2),
+                         len - 2);

                 for (j = 0; j < len - 2; j++)
                 for (j = 0; j < len - 2; j++)

-                    ND_PRINT("%02X", EXTRACT_U_1(message + j + 4));
+                    ND_PRINT("%02X", GET_U_1(message + j + 4));

             }
         }
             break;
             }
         }
             break;


@@ -615,13 +649,13 @@ babel_print_v2(netdissect_options *ndo,
                 int parsed_len = 10;
                 ND_PRINT("\n\tSS-Update");
                 if(len < 10) goto invalid;
                 int parsed_len = 10;
                 ND_PRINT("\n\tSS-Update");
                 if(len < 10) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                src_plen = EXTRACT_U_1(message + 3);
-                plen = EXTRACT_U_1(message + 4);
-                omitted = EXTRACT_U_1(message + 5);
-                interval = EXTRACT_BE_U_2(message + 6);
-                seqno = EXTRACT_BE_U_2(message + 8);
-                metric = EXTRACT_BE_U_2(message + 10);
+                ae = GET_U_1(message + 2);
+                src_plen = GET_U_1(message + 3);
+                plen = GET_U_1(message + 4);
+                omitted = GET_U_1(message + 5);
+                interval = GET_BE_U_2(message + 6);
+                seqno = GET_BE_U_2(message + 8);
+                metric = GET_BE_U_2(message + 10);

                 rc = network_prefix(ae, plen, omitted, message + 2 + parsed_len,
                                     ae == 1 ? v4_prefix : v6_prefix,
                                     len - parsed_len, prefix);
                 rc = network_prefix(ae, plen, omitted, message + 2 + parsed_len,
                                     ae == 1 ? v4_prefix : v6_prefix,
                                     len - parsed_len, prefix);


@@ -656,9 +690,9 @@ babel_print_v2(netdissect_options *ndo,
                 u_char ae, plen, src_plen, prefix[16], src_prefix[16];
                 ND_PRINT("\n\tSS-Request ");
                 if(len < 3) goto invalid;
                 u_char ae, plen, src_plen, prefix[16], src_prefix[16];
                 ND_PRINT("\n\tSS-Request ");
                 if(len < 3) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                plen = EXTRACT_U_1(message + 3);
-                src_plen = EXTRACT_U_1(message + 4);
+                ae = GET_U_1(message + 2);
+                plen = GET_U_1(message + 3);
+                src_plen = GET_U_1(message + 4);

                 rc = network_prefix(ae, plen, 0, message + 2 + parsed_len,
                                     NULL, len - parsed_len, prefix);
                 if(rc < 0) goto invalid;
                 rc = network_prefix(ae, plen, 0, message + 2 + parsed_len,
                                     NULL, len - parsed_len, prefix);
                 if(rc < 0) goto invalid;


@@ -691,11 +725,11 @@ babel_print_v2(netdissect_options *ndo,
                 const u_char *router_id = NULL;
                 ND_PRINT("\n\tSS-MH-Request ");
                 if(len < 14) goto invalid;
                 const u_char *router_id = NULL;
                 ND_PRINT("\n\tSS-MH-Request ");
                 if(len < 14) goto invalid;

-                ae = EXTRACT_U_1(message + 2);
-                plen = EXTRACT_U_1(message + 3);
-                seqno = EXTRACT_BE_U_2(message + 4);
-                hopc = EXTRACT_U_1(message + 6);
-                src_plen = EXTRACT_U_1(message + 7);
+                ae = GET_U_1(message + 2);
+                plen = GET_U_1(message + 3);
+                seqno = GET_BE_U_2(message + 4);
+                hopc = GET_U_1(message + 6);
+                src_plen = GET_U_1(message + 7);

                 router_id = message + 8;
                 rc = network_prefix(ae, plen, 0, message + 2 + parsed_len,
                                     NULL, len - parsed_len, prefix);
                 router_id = message + 8;
                 rc = network_prefix(ae, plen, 0, message + 2 + parsed_len,
                                     NULL, len - parsed_len, prefix);


@@ -712,7 +746,52 @@ babel_print_v2(netdissect_options *ndo,
                           hopc, format_prefix(ndo, prefix, plen));
                 ND_PRINT("%s) seqno %u id %s",
                           format_prefix(ndo, src_prefix, src_plen),
                           hopc, format_prefix(ndo, prefix, plen));
                 ND_PRINT("%s) seqno %u id %s",
                           format_prefix(ndo, src_prefix, src_plen),

-                          seqno, format_id(router_id));
+                          seqno, format_id(ndo, router_id));
+            }
+        }
+            break;
+
+        case MESSAGE_MAC: {
+            if (!ndo->ndo_vflag)
+                ND_PRINT(" mac");
+            else {
+                ND_PRINT("\n\tMAC ");
+                ND_PRINT("len %u", len);
+            }
+        }
+            break;
+
+        case MESSAGE_PC: {
+            if (!ndo->ndo_vflag)
+                ND_PRINT(" pc");
+            else {
+                ND_PRINT("\n\tPC");
+                if(len < 4) goto invalid;
+                ND_PRINT(" value %u",
+                    GET_BE_U_4(message + 2));
+                ND_PRINT(" index len %u", len-4);
+            }
+        }
+            break;
+
+        case MESSAGE_CHALLENGE_REQUEST: {
+            if (!ndo->ndo_vflag)
+                ND_PRINT(" challenge_request");
+            else {
+                ND_PRINT("\n\tChallenge Request");
+                if(len > 192) goto invalid;
+                ND_PRINT(" len %u", len);
+            }
+        }
+            break;
+
+        case MESSAGE_CHALLENGE_REPLY: {
+            if (!ndo->ndo_vflag)
+                ND_PRINT(" challenge_reply");
+            else {
+                ND_PRINT("\n\tChallenge Reply");
+                if (len > 192) goto invalid;
+                ND_PRINT(" len %u", len);

             }
         }
             break;
             }
         }
             break;


@@ -725,6 +804,52 @@ babel_print_v2(netdissect_options *ndo,
         }
         i += len + 2;
     }
         }
         i += len + 2;
     }

+
+    return 0; /* OK */
+
+trunc:
+    return -1; /* packet truncated by capture process */
+
+invalid:
+    return -2; /* packet is invalid */
+}
+
+static void
+babel_print_v2(netdissect_options *ndo,
+               const u_char *cp, u_int length)
+{
+    u_short bodylen;
+    int ret;
+
+    ND_TCHECK_4(cp);
+    if (length < 4)
+        goto invalid;
+    bodylen = GET_BE_U_2(cp + 2);
+    ND_PRINT(" (%u)", bodylen);
+    length -= 4;
+    cp += 4;
+
+    /* Process the TLVs in the body */
+    if (length < bodylen)
+        goto invalid;
+    ret = babel_print_v2_tlvs(ndo, cp, bodylen, length);
+    if (ret == -1)
+        goto trunc;
+    if (ret == -2)
+        goto invalid;
+    length -= bodylen;
+    cp += bodylen;
+
+    /* If there's a trailer, process the TLVs in the trailer */
+    if (length != 0) {
+       if(ndo->ndo_vflag) ND_PRINT("\n\t----");
+       else ND_PRINT(" |");
+        ret = babel_print_v2_tlvs(ndo, cp, length, length);
+        if (ret == -1)
+            goto trunc;
+        if (ret == -2)
+            goto invalid;
+    }

     return;
 
  trunc:
     return;
 
  trunc:


@@ -733,5 +858,4 @@ babel_print_v2(netdissect_options *ndo,
 
  invalid:
     nd_print_invalid(ndo);
 
  invalid:
     nd_print_invalid(ndo);

-    return;

 }
 }