Use more the EXTRACT_U_1() macro (40/n)

[tcpdump] / print-isakmp.c

diff --git a/print-isakmp.c b/print-isakmp.c
index 33a0cefacd6bf94e085385dde6f535bc68f68ffc..fa9fa23978c6375d149c8cd00c21441e745a2b11 100644 (file)
--- a/print-isakmp.c
+++ b/print-isakmp.c
@@ -28,7 +28,8 @@
  *
  */
 
  *
  */
 

-#define NETDISSECT_REWORKED
+/* \summary: Internet Security Association and Key Management Protocol (ISAKMP) printer */
+

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif


@@ -40,18 +41,17 @@
 #undef HAVE_LIBCRYPTO
 #endif
 
 #undef HAVE_LIBCRYPTO
 #endif
 

-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>

 
 #include <string.h>
 
 
 #include <string.h>
 

-#include "interface.h"
+#include "netdissect.h"

 #include "addrtoname.h"
 #include "addrtoname.h"

-#include "extract.h"                    /* must come after interface.h */
+#include "extract.h"

 
 #include "ip.h"
 
 #include "ip.h"

-#ifdef INET6

 #include "ip6.h"
 #include "ip6.h"

-#endif
+#include "ipproto.h"

 
 /* refer to RFC 2408 */
 
 
 /* refer to RFC 2408 */
 


@@ -355,7 +355,7 @@ enum ikev2_t_type {
        IV2_T_PRF  = 2,
        IV2_T_INTEG= 3,
        IV2_T_DH   = 4,
        IV2_T_PRF  = 2,
        IV2_T_INTEG= 3,
        IV2_T_DH   = 4,

-       IV2_T_ESN  = 5,
+       IV2_T_ESN  = 5

 };
 
 /* 3.4.  Key Exchange Payload */
 };
 
 /* 3.4.  Key Exchange Payload */


@@ -375,7 +375,7 @@ enum ikev2_id_type {
        ID_IPV6_ADDR=5,
        ID_DER_ASN1_DN=9,
        ID_DER_ASN1_GN=10,
        ID_IPV6_ADDR=5,
        ID_DER_ASN1_DN=9,
        ID_DER_ASN1_GN=10,

-       ID_KEY_ID=11,
+       ID_KEY_ID=11

 };
 struct ikev2_id {
        struct isakmp_gen h;
 };
 struct ikev2_id {
        struct isakmp_gen h;


@@ -428,7 +428,7 @@ struct notify_messages {
        char     *msg;
 };
 
        char     *msg;
 };
 

-/* 3.8 Notification Payload */
+/* 3.8 Authentication Payload */

 struct ikev2_auth {
        struct isakmp_gen h;
        uint8_t  auth_method;  /* Protocol-ID */
 struct ikev2_auth {
        struct isakmp_gen h;
        uint8_t  auth_method;  /* Protocol-ID */


@@ -439,7 +439,7 @@ struct ikev2_auth {
 enum ikev2_auth_type {
        IV2_RSA_SIG = 1,
        IV2_SHARED  = 2,
 enum ikev2_auth_type {
        IV2_RSA_SIG = 1,
        IV2_SHARED  = 2,

-       IV2_DSS_SIG = 3,
+       IV2_DSS_SIG = 3

 };
 
 /* refer to RFC 2409 */
 };
 
 /* refer to RFC 2409 */


@@ -645,14 +645,12 @@ ikev1_print(netdissect_options *ndo,
            const u_char *bp2, struct isakmp *base);
 
 #define MAXINITIATORS  20
            const u_char *bp2, struct isakmp *base);
 
 #define MAXINITIATORS  20

-int ninitiator = 0;
+static int ninitiator = 0;

 union inaddr_u {
        struct in_addr in4;
 union inaddr_u {
        struct in_addr in4;

-#ifdef INET6

        struct in6_addr in6;
        struct in6_addr in6;

-#endif

 };
 };

-struct {
+static struct {

        cookie_t initiator;
        u_int version;
        union inaddr_u iaddr;
        cookie_t initiator;
        u_int version;
        union inaddr_u iaddr;


@@ -742,7 +740,7 @@ static const char *etypestr[] = {
 #define ETYPESTR(x)    STR_OR_ID(x, etypestr)
 
 #define CHECKLEN(p, np)                                                        \
 #define ETYPESTR(x)    STR_OR_ID(x, etypestr)
 
 #define CHECKLEN(p, np)                                                        \

-               if (ep < (u_char *)(p)) {                               \
+               if (ep < (const u_char *)(p)) {                         \

                        ND_PRINT((ndo," [|%s]", NPSTR(np)));            \
                        goto done;                                      \
                }
                        ND_PRINT((ndo," [|%s]", NPSTR(np)));            \
                        goto done;                                      \
                }


@@ -753,7 +751,7 @@ static const char *etypestr[] = {
                ? npfunc[(x)] : NULL)
 
 static int
                ? npfunc[(x)] : NULL)
 
 static int

-iszero(u_char *p, size_t l)
+iszero(const u_char *p, size_t l)

 {
        while (l--) {
                if (*p++)
 {
        while (l--) {
                if (*p++)


@@ -781,10 +779,8 @@ static void
 cookie_record(cookie_t *in, const u_char *bp2)
 {
        int i;
 cookie_record(cookie_t *in, const u_char *bp2)
 {
        int i;

-       struct ip *ip;
-#ifdef INET6
-       struct ip6_hdr *ip6;
-#endif
+       const struct ip *ip;
+       const struct ip6_hdr *ip6;

 
        i = cookie_find(in);
        if (0 <= i) {
 
        i = cookie_find(in);
        if (0 <= i) {


@@ -792,21 +788,19 @@ cookie_record(cookie_t *in, const u_char *bp2)
                return;
        }
 
                return;
        }
 

-       ip = (struct ip *)bp2;
+       ip = (const struct ip *)bp2;

        switch (IP_V(ip)) {
        case 4:
                cookiecache[ninitiator].version = 4;
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in4, &ip->ip_src, sizeof(struct in_addr));
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in4, &ip->ip_dst, sizeof(struct in_addr));
                break;
        switch (IP_V(ip)) {
        case 4:
                cookiecache[ninitiator].version = 4;
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in4, &ip->ip_src, sizeof(struct in_addr));
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in4, &ip->ip_dst, sizeof(struct in_addr));
                break;

-#ifdef INET6

        case 6:
        case 6:

-               ip6 = (struct ip6_hdr *)bp2;
+               ip6 = (const struct ip6_hdr *)bp2;

                cookiecache[ninitiator].version = 6;
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in6, &ip6->ip6_src, sizeof(struct in6_addr));
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in6, &ip6->ip6_dst, sizeof(struct in6_addr));
                break;
                cookiecache[ninitiator].version = 6;
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].iaddr.in6, &ip6->ip6_src, sizeof(struct in6_addr));
                UNALIGNED_MEMCPY(&cookiecache[ninitiator].raddr.in6, &ip6->ip6_dst, sizeof(struct in6_addr));
                break;

-#endif

        default:
                return;
        }
        default:
                return;
        }


@@ -819,12 +813,10 @@ cookie_record(cookie_t *in, const u_char *bp2)
 static int
 cookie_sidecheck(int i, const u_char *bp2, int initiator)
 {
 static int
 cookie_sidecheck(int i, const u_char *bp2, int initiator)
 {

-       struct ip *ip;
-#ifdef INET6
-       struct ip6_hdr *ip6;
-#endif
+       const struct ip *ip;
+       const struct ip6_hdr *ip6;

 
 

-       ip = (struct ip *)bp2;
+       ip = (const struct ip *)bp2;

        switch (IP_V(ip)) {
        case 4:
                if (cookiecache[i].version != 4)
        switch (IP_V(ip)) {
        case 4:
                if (cookiecache[i].version != 4)


@@ -837,11 +829,10 @@ cookie_sidecheck(int i, const u_char *bp2, int initiator)
                                return 1;
                }
                break;
                                return 1;
                }
                break;

-#ifdef INET6

        case 6:
                if (cookiecache[i].version != 6)
                        return 0;
        case 6:
                if (cookiecache[i].version != 6)
                        return 0;

-               ip6 = (struct ip6_hdr *)bp2;
+               ip6 = (const struct ip6_hdr *)bp2;

                if (initiator) {
                        if (UNALIGNED_MEMCMP(&ip6->ip6_src, &cookiecache[i].iaddr.in6, sizeof(struct in6_addr)) == 0)
                                return 1;
                if (initiator) {
                        if (UNALIGNED_MEMCMP(&ip6->ip6_src, &cookiecache[i].iaddr.in6, sizeof(struct in6_addr)) == 0)
                                return 1;


@@ -850,7 +841,6 @@ cookie_sidecheck(int i, const u_char *bp2, int initiator)
                                return 1;
                }
                break;
                                return 1;
                }
                break;

-#endif /* INET6 */

        default:
                break;
        }
        default:
                break;
        }


@@ -859,18 +849,18 @@ cookie_sidecheck(int i, const u_char *bp2, int initiator)
 }
 
 static void
 }
 
 static void

-hexprint(netdissect_options *ndo, caddr_t loc, size_t len)
+hexprint(netdissect_options *ndo, const uint8_t *loc, size_t len)

 {
 {

-       u_char *p;
+       const uint8_t *p;

        size_t i;
 
        size_t i;
 

-       p = (u_char *)loc;
+       p = loc;

        for (i = 0; i < len; i++)
                ND_PRINT((ndo,"%02x", p[i] & 0xff));
 }
 
 static int
        for (i = 0; i < len; i++)
                ND_PRINT((ndo,"%02x", p[i] & 0xff));
 }
 
 static int

-rawprint(netdissect_options *ndo, caddr_t loc, size_t len)
+rawprint(netdissect_options *ndo, const uint8_t *loc, size_t len)

 {
        ND_TCHECK2(*loc, len);
 
 {
        ND_TCHECK2(*loc, len);
 


@@ -902,10 +892,10 @@ static int ike_show_somedata(netdissect_options *ndo,
        }
 
        ND_PRINT((ndo," data=("));
        }
 
        ND_PRINT((ndo," data=("));

-       if(!rawprint(ndo, (caddr_t)(cp), len)) goto trunc;
+       if(!rawprint(ndo, (const uint8_t *)(cp), len)) goto trunc;

        ND_PRINT((ndo, "..."));
        if(elen) {
        ND_PRINT((ndo, "..."));
        if(elen) {

-               if(!rawprint(ndo, (caddr_t)(end), elen)) goto trunc;
+               if(!rawprint(ndo, (const uint8_t *)(end), elen)) goto trunc;

        }
        ND_PRINT((ndo,")"));
        return 1;
        }
        ND_PRINT((ndo,")"));
        return 1;


@@ -922,70 +912,98 @@ struct attrmap {
 
 static const u_char *
 ikev1_attrmap_print(netdissect_options *ndo,
 
 static const u_char *
 ikev1_attrmap_print(netdissect_options *ndo,

-                   const u_char *p, const u_char *ep,
+                   const u_char *p, const u_char *ep2,

                    const struct attrmap *map, size_t nmap)
 {
        int totlen;
        uint32_t t, v;
 
                    const struct attrmap *map, size_t nmap)
 {
        int totlen;
        uint32_t t, v;
 

+       ND_TCHECK(p[0]);

        if (p[0] & 0x80)
                totlen = 4;
        if (p[0] & 0x80)
                totlen = 4;

-       else
-               totlen = 4 + EXTRACT_16BITS(&p[2]);
-       if (ep < p + totlen) {
+       else {
+               ND_TCHECK_2(p + 2);
+               totlen = 4 + EXTRACT_BE_U_2(p + 2);
+       }
+       if (ep2 < p + totlen) {

                ND_PRINT((ndo,"[|attr]"));
                ND_PRINT((ndo,"[|attr]"));

-               return ep + 1;
+               return ep2 + 1;

        }
 
        }
 

+       ND_TCHECK_2(p);

        ND_PRINT((ndo,"("));
        ND_PRINT((ndo,"("));

-       t = EXTRACT_16BITS(&p[0]) & 0x7fff;
+       t = EXTRACT_BE_U_2(p) & 0x7fff;

        if (map && t < nmap && map[t].type)
                ND_PRINT((ndo,"type=%s ", map[t].type));
        else
                ND_PRINT((ndo,"type=#%d ", t));
        if (p[0] & 0x80) {
                ND_PRINT((ndo,"value="));
        if (map && t < nmap && map[t].type)
                ND_PRINT((ndo,"type=%s ", map[t].type));
        else
                ND_PRINT((ndo,"type=#%d ", t));
        if (p[0] & 0x80) {
                ND_PRINT((ndo,"value="));

-               v = EXTRACT_16BITS(&p[2]);
+               ND_TCHECK_2(p + 2);
+               v = EXTRACT_BE_U_2(p + 2);

                if (map && t < nmap && v < map[t].nvalue && map[t].value[v])
                        ND_PRINT((ndo,"%s", map[t].value[v]));
                if (map && t < nmap && v < map[t].nvalue && map[t].value[v])
                        ND_PRINT((ndo,"%s", map[t].value[v]));

-               else
-                       rawprint(ndo, (caddr_t)&p[2], 2);
+               else {
+                       if (!rawprint(ndo, (const uint8_t *)&p[2], 2)) {
+                               ND_PRINT((ndo,")"));
+                               goto trunc;
+                       }
+               }

        } else {
        } else {

-               ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&p[2])));
-               rawprint(ndo, (caddr_t)&p[4], EXTRACT_16BITS(&p[2]));
+               ND_PRINT((ndo,"len=%d value=", totlen - 4));
+               if (!rawprint(ndo, (const uint8_t *)&p[4], totlen - 4)) {
+                       ND_PRINT((ndo,")"));
+                       goto trunc;
+               }

        }
        ND_PRINT((ndo,")"));
        return p + totlen;
        }
        ND_PRINT((ndo,")"));
        return p + totlen;

+
+trunc:
+       return NULL;

 }
 
 static const u_char *
 }
 
 static const u_char *

-ikev1_attr_print(netdissect_options *ndo, const u_char *p, const u_char *ep)
+ikev1_attr_print(netdissect_options *ndo, const u_char *p, const u_char *ep2)

 {
        int totlen;
        uint32_t t;
 
 {
        int totlen;
        uint32_t t;
 

+       ND_TCHECK(p[0]);

        if (p[0] & 0x80)
                totlen = 4;
        if (p[0] & 0x80)
                totlen = 4;

-       else
-               totlen = 4 + EXTRACT_16BITS(&p[2]);
-       if (ep < p + totlen) {
+       else {
+               ND_TCHECK_2(p + 2);
+               totlen = 4 + EXTRACT_BE_U_2(p + 2);
+       }
+       if (ep2 < p + totlen) {

                ND_PRINT((ndo,"[|attr]"));
                ND_PRINT((ndo,"[|attr]"));

-               return ep + 1;
+               return ep2 + 1;

        }
 
        }
 

+       ND_TCHECK_2(p);

        ND_PRINT((ndo,"("));
        ND_PRINT((ndo,"("));

-       t = EXTRACT_16BITS(&p[0]) & 0x7fff;
+       t = EXTRACT_BE_U_2(p) & 0x7fff;

        ND_PRINT((ndo,"type=#%d ", t));
        if (p[0] & 0x80) {
                ND_PRINT((ndo,"value="));
                t = p[2];
        ND_PRINT((ndo,"type=#%d ", t));
        if (p[0] & 0x80) {
                ND_PRINT((ndo,"value="));
                t = p[2];

-               rawprint(ndo, (caddr_t)&p[2], 2);
+               if (!rawprint(ndo, (const uint8_t *)&p[2], 2)) {
+                       ND_PRINT((ndo,")"));
+                       goto trunc;
+               }

        } else {
        } else {

-               ND_PRINT((ndo,"len=%d value=", EXTRACT_16BITS(&p[2])));
-               rawprint(ndo, (caddr_t)&p[4], EXTRACT_16BITS(&p[2]));
+               ND_PRINT((ndo,"len=%d value=", totlen - 4));
+               if (!rawprint(ndo, (const uint8_t *)&p[4], totlen - 4)) {
+                       ND_PRINT((ndo,")"));
+                       goto trunc;
+               }

        }
        ND_PRINT((ndo,")"));
        return p + totlen;
        }
        ND_PRINT((ndo,")"));
        return p + totlen;

+
+trunc:
+       return NULL;

 }
 
 static const u_char *
 }
 
 static const u_char *


@@ -1003,7 +1021,7 @@ ikev1_sa_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SA)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_SA)));
 

-       p = (struct ikev1_pl_sa *)ext;
+       p = (const struct ikev1_pl_sa *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&sa, ext, sizeof(sa));
        doi = ntohl(sa.doi);
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&sa, ext, sizeof(sa));
        doi = ntohl(sa.doi);


@@ -1011,7 +1029,7 @@ ikev1_sa_print(netdissect_options *ndo, u_char tpay _U_,
        if (doi != 1) {
                ND_PRINT((ndo," doi=%d", doi));
                ND_PRINT((ndo," situation=%u", (uint32_t)ntohl(sa.sit)));
        if (doi != 1) {
                ND_PRINT((ndo," doi=%d", doi));
                ND_PRINT((ndo," situation=%u", (uint32_t)ntohl(sa.sit)));

-               return (u_char *)(p + 1);
+               return (const u_char *)(p + 1);

        }
 
        ND_PRINT((ndo," doi=ipsec"));
        }
 
        ND_PRINT((ndo," doi=ipsec"));


@@ -1028,7 +1046,7 @@ ikev1_sa_print(netdissect_options *ndo, u_char tpay _U_,
        if (sit & 0x04)
                ND_PRINT((ndo,"%sintegrity", t ? "+" : ""));
 
        if (sit & 0x04)
                ND_PRINT((ndo,"%sintegrity", t ? "+" : ""));
 

-       np = (u_char *)ext + sizeof(sa);
+       np = (const u_char *)ext + sizeof(sa);

        if (sit != 0x01) {
                ND_TCHECK2(*(ext + 1), sizeof(ident));
                UNALIGNED_MEMCPY(&ident, ext + 1, sizeof(ident));
        if (sit != 0x01) {
                ND_TCHECK2(*(ext + 1), sizeof(ident));
                UNALIGNED_MEMCPY(&ident, ext + 1, sizeof(ident));


@@ -1036,7 +1054,7 @@ ikev1_sa_print(netdissect_options *ndo, u_char tpay _U_,
                np += sizeof(ident);
        }
 
                np += sizeof(ident);
        }
 

-       ext = (struct isakmp_gen *)np;
+       ext = (const struct isakmp_gen *)np;

        ND_TCHECK(*ext);
 
        cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0,
        ND_TCHECK(*ext);
 
        cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0,


@@ -1060,18 +1078,18 @@ ikev1_p_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_P)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_P)));
 

-       p = (struct ikev1_pl_p *)ext;
+       p = (const struct ikev1_pl_p *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&prop, ext, sizeof(prop));
        ND_PRINT((ndo," #%d protoid=%s transform=%d",
                  prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t));
        if (prop.spi_size) {
                ND_PRINT((ndo," spi="));
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&prop, ext, sizeof(prop));
        ND_PRINT((ndo," #%d protoid=%s transform=%d",
                  prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t));
        if (prop.spi_size) {
                ND_PRINT((ndo," spi="));

-               if (!rawprint(ndo, (caddr_t)(p + 1), prop.spi_size))
+               if (!rawprint(ndo, (const uint8_t *)(p + 1), prop.spi_size))

                        goto trunc;
        }
 
                        goto trunc;
        }
 

-       ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size);
+       ext = (const struct isakmp_gen *)((const u_char *)(p + 1) + prop.spi_size);

        ND_TCHECK(*ext);
 
        cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_T, ext, ep, phase, doi0,
        ND_TCHECK(*ext);
 
        cp = ikev1_sub_print(ndo, ISAKMP_NPTYPE_T, ext, ep, phase, doi0,


@@ -1227,7 +1245,7 @@ ikev1_t_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_T)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_T)));
 

-       p = (struct ikev1_pl_t *)ext;
+       p = (const struct ikev1_pl_t *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&t, ext, sizeof(t));
 
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&t, ext, sizeof(t));
 


@@ -1263,14 +1281,15 @@ ikev1_t_print(netdissect_options *ndo, u_char tpay _U_,
                ND_PRINT((ndo," #%d id=%s ", t.t_no, idstr));
        else
                ND_PRINT((ndo," #%d id=%d ", t.t_no, t.t_id));
                ND_PRINT((ndo," #%d id=%s ", t.t_no, idstr));
        else
                ND_PRINT((ndo," #%d id=%d ", t.t_no, t.t_id));

-       cp = (u_char *)(p + 1);
-       ep2 = (u_char *)p + item_len;
+       cp = (const u_char *)(p + 1);
+       ep2 = (const u_char *)p + item_len;

        while (cp < ep && cp < ep2) {
        while (cp < ep && cp < ep2) {

-               if (map && nmap) {
-                       cp = ikev1_attrmap_print(ndo, cp, (ep < ep2) ? ep : ep2,
-                               map, nmap);
-               } else
-                       cp = ikev1_attr_print(ndo, cp, (ep < ep2) ? ep : ep2);
+               if (map && nmap)
+                       cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);
+               else
+                       cp = ikev1_attr_print(ndo, cp, ep2);
+               if (cp == NULL)
+                       goto trunc;

        }
        if (ep < ep2)
                ND_PRINT((ndo,"..."));
        }
        if (ep < ep2)
                ND_PRINT((ndo,"..."));


@@ -1294,11 +1313,12 @@ ikev1_ke_print(netdissect_options *ndo, u_char tpay _U_,
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," key len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," key len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_KE)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_KE)));
        return NULL;


@@ -1326,11 +1346,11 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_ID)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_ID)));
 

-       p = (struct ikev1_pl_id *)ext;
+       p = (const struct ikev1_pl_id *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&id, ext, sizeof(id));
        if (sizeof(*p) < item_len) {
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&id, ext, sizeof(id));
        if (sizeof(*p) < item_len) {

-               data = (u_char *)(p + 1);
+               data = (const u_char *)(p + 1);

                len = item_len - sizeof(*p);
        } else {
                data = NULL;
                len = item_len - sizeof(*p);
        } else {
                data = NULL;


@@ -1355,35 +1375,26 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
 #endif
        case 2:
            {
 #endif
        case 2:
            {

-               const struct ipsecdoi_id *p;
-               struct ipsecdoi_id id;
-               struct protoent *pe;
-
-               p = (struct ipsecdoi_id *)ext;
-               ND_TCHECK(*p);
-               UNALIGNED_MEMCPY(&id, ext, sizeof(id));
-               ND_PRINT((ndo," idtype=%s", STR_OR_ID(id.type, ipsecidtypestr)));
-               if (id.proto_id) {
-#ifndef WIN32
-                       setprotoent(1);
-#endif /* WIN32 */
-                       pe = getprotobynumber(id.proto_id);
-                       if (pe)
-                               ND_PRINT((ndo," protoid=%s", pe->p_name));
-#ifndef WIN32
-                       endprotoent();
-#endif /* WIN32 */
-               } else {
-                       /* it DOES NOT mean IPPROTO_IP! */
-                       ND_PRINT((ndo," protoid=%s", "0"));
-               }
-               ND_PRINT((ndo," port=%d", ntohs(id.port)));
+               const struct ipsecdoi_id *doi_p;
+               struct ipsecdoi_id doi_id;
+               const char *p_name;
+
+               doi_p = (const struct ipsecdoi_id *)ext;
+               ND_TCHECK(*doi_p);
+               UNALIGNED_MEMCPY(&doi_id, ext, sizeof(doi_id));
+               ND_PRINT((ndo," idtype=%s", STR_OR_ID(doi_id.type, ipsecidtypestr)));
+               /* A protocol ID of 0 DOES NOT mean IPPROTO_IP! */
+               if (!ndo->ndo_nflag && doi_id.proto_id && (p_name = netdb_protoname(doi_id.proto_id)) != NULL)
+                       ND_PRINT((ndo," protoid=%s", p_name));
+               else
+                       ND_PRINT((ndo," protoid=%u", doi_id.proto_id));
+               ND_PRINT((ndo," port=%d", ntohs(doi_id.port)));

                if (!len)
                        break;
                if (data == NULL)
                        goto trunc;
                ND_TCHECK2(*data, len);
                if (!len)
                        break;
                if (data == NULL)
                        goto trunc;
                ND_TCHECK2(*data, len);

-               switch (id.type) {
+               switch (doi_id.type) {

                case IPSECDOI_ID_IPV4_ADDR:
                        if (len < 4)
                                ND_PRINT((ndo," len=%d [bad: < 4]", len));
                case IPSECDOI_ID_IPV4_ADDR:
                        if (len < 4)
                                ND_PRINT((ndo," len=%d [bad: < 4]", len));


@@ -1397,7 +1408,7 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                        int i;
                        ND_PRINT((ndo," len=%d ", len));
                        for (i = 0; i < len; i++)
                        int i;
                        ND_PRINT((ndo," len=%d ", len));
                        for (i = 0; i < len; i++)

-                               safeputchar(ndo, data[i]);
+                               safeputchar(ndo, EXTRACT_U_1(data + i));

                        len = 0;
                        break;
                    }
                        len = 0;
                        break;
                    }


@@ -1410,12 +1421,12 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                                mask = data + sizeof(struct in_addr);
                                ND_PRINT((ndo," len=%d %s/%u.%u.%u.%u", len,
                                          ipaddr_string(ndo, data),
                                mask = data + sizeof(struct in_addr);
                                ND_PRINT((ndo," len=%d %s/%u.%u.%u.%u", len,
                                          ipaddr_string(ndo, data),

-                                         mask[0], mask[1], mask[2], mask[3]));
+                                         EXTRACT_U_1(mask), EXTRACT_U_1(mask + 1),
+                                         EXTRACT_U_1(mask + 2), EXTRACT_U_1(mask + 3)));

                        }
                        len = 0;
                        break;
                    }
                        }
                        len = 0;
                        break;
                    }

-#ifdef INET6

                case IPSECDOI_ID_IPV6_ADDR:
                        if (len < 16)
                                ND_PRINT((ndo," len=%d [bad: < 16]", len));
                case IPSECDOI_ID_IPV6_ADDR:
                        if (len < 16)
                                ND_PRINT((ndo," len=%d [bad: < 16]", len));


@@ -1426,22 +1437,21 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                case IPSECDOI_ID_IPV6_ADDR_SUBNET:
                    {
                        const u_char *mask;
                case IPSECDOI_ID_IPV6_ADDR_SUBNET:
                    {
                        const u_char *mask;

-                       if (len < 20)
-                               ND_PRINT((ndo," len=%d [bad: < 20]", len));
+                       if (len < 32)
+                               ND_PRINT((ndo," len=%d [bad: < 32]", len));

                        else {
                        else {

-                               mask = (u_char *)(data + sizeof(struct in6_addr));
+                               mask = (const u_char *)(data + sizeof(struct in6_addr));

                                /*XXX*/
                                ND_PRINT((ndo," len=%d %s/0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", len,
                                          ip6addr_string(ndo, data),
                                /*XXX*/
                                ND_PRINT((ndo," len=%d %s/0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", len,
                                          ip6addr_string(ndo, data),

-                                         mask[0], mask[1], mask[2], mask[3],
-                                         mask[4], mask[5], mask[6], mask[7],
-                                         mask[8], mask[9], mask[10], mask[11],
-                                         mask[12], mask[13], mask[14], mask[15]));
+                                         EXTRACT_U_1(mask), EXTRACT_U_1(mask + 1), EXTRACT_U_1(mask + 2), EXTRACT_U_1(mask + 3),
+                                         EXTRACT_U_1(mask + 4), EXTRACT_U_1(mask + 5), EXTRACT_U_1(mask + 6), EXTRACT_U_1(mask + 7),
+                                         EXTRACT_U_1(mask + 8), EXTRACT_U_1(mask + 9), EXTRACT_U_1(mask + 10), EXTRACT_U_1(mask + 11),
+                                         EXTRACT_U_1(mask + 12), EXTRACT_U_1(mask + 13), EXTRACT_U_1(mask + 14), EXTRACT_U_1(mask + 15)));

                        }
                        len = 0;
                        break;
                    }
                        }
                        len = 0;
                        break;
                    }

-#endif /*INET6*/

                case IPSECDOI_ID_IPV4_ADDR_RANGE:
                        if (len < 8)
                                ND_PRINT((ndo," len=%d [bad: < 8]", len));
                case IPSECDOI_ID_IPV4_ADDR_RANGE:
                        if (len < 8)
                                ND_PRINT((ndo," len=%d [bad: < 8]", len));


@@ -1452,7 +1462,6 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                        }
                        len = 0;
                        break;
                        }
                        len = 0;
                        break;

-#ifdef INET6

                case IPSECDOI_ID_IPV6_ADDR_RANGE:
                        if (len < 32)
                                ND_PRINT((ndo," len=%d [bad: < 32]", len));
                case IPSECDOI_ID_IPV6_ADDR_RANGE:
                        if (len < 32)
                                ND_PRINT((ndo," len=%d [bad: < 32]", len));


@@ -1463,7 +1472,6 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                        }
                        len = 0;
                        break;
                        }
                        len = 0;
                        break;

-#endif /*INET6*/

                case IPSECDOI_ID_DER_ASN1_DN:
                case IPSECDOI_ID_DER_ASN1_GN:
                case IPSECDOI_ID_KEY_ID:
                case IPSECDOI_ID_DER_ASN1_DN:
                case IPSECDOI_ID_DER_ASN1_GN:
                case IPSECDOI_ID_KEY_ID:


@@ -1476,11 +1484,11 @@ ikev1_id_print(netdissect_options *ndo, u_char tpay _U_,
                ND_PRINT((ndo," len=%d", len));
                if (2 < ndo->ndo_vflag) {
                        ND_PRINT((ndo," "));
                ND_PRINT((ndo," len=%d", len));
                if (2 < ndo->ndo_vflag) {
                        ND_PRINT((ndo," "));

-                       if (!rawprint(ndo, (caddr_t)data, len))
+                       if (!rawprint(ndo, (const uint8_t *)data, len))

                                goto trunc;
                }
        }
                                goto trunc;
                }
        }

-       return (u_char *)ext + item_len;
+       return (const u_char *)ext + item_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_ID)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_ID)));
        return NULL;


@@ -1488,7 +1496,7 @@ trunc:
 
 static const u_char *
 ikev1_cert_print(netdissect_options *ndo, u_char tpay _U_,
 
 static const u_char *
 ikev1_cert_print(netdissect_options *ndo, u_char tpay _U_,

-                const struct isakmp_gen *ext, u_int item_len _U_,
+                const struct isakmp_gen *ext, u_int item_len,

                 const u_char *ep _U_, uint32_t phase _U_,
                 uint32_t doi0 _U_,
                 uint32_t proto0 _U_, int depth _U_)
                 const u_char *ep _U_, uint32_t phase _U_,
                 uint32_t doi0 _U_,
                 uint32_t proto0 _U_, int depth _U_)


@@ -1503,17 +1511,18 @@ ikev1_cert_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CERT)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CERT)));
 

-       p = (struct ikev1_pl_cert *)ext;
+       p = (const struct ikev1_pl_cert *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&cert, ext, sizeof(cert));
        ND_PRINT((ndo," len=%d", item_len - 4));
        ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
        if (2 < ndo->ndo_vflag && 4 < item_len) {
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&cert, ext, sizeof(cert));
        ND_PRINT((ndo," len=%d", item_len - 4));
        ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
        if (2 < ndo->ndo_vflag && 4 < item_len) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + item_len;
+       return (const u_char *)ext + item_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CERT)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CERT)));
        return NULL;


@@ -1521,7 +1530,7 @@ trunc:
 
 static const u_char *
 ikev1_cr_print(netdissect_options *ndo, u_char tpay _U_,
 
 static const u_char *
 ikev1_cr_print(netdissect_options *ndo, u_char tpay _U_,

-              const struct isakmp_gen *ext, u_int item_len _U_,
+              const struct isakmp_gen *ext, u_int item_len,

               const u_char *ep _U_, uint32_t phase _U_, uint32_t doi0 _U_,
               uint32_t proto0 _U_, int depth _U_)
 {
               const u_char *ep _U_, uint32_t phase _U_, uint32_t doi0 _U_,
               uint32_t proto0 _U_, int depth _U_)
 {


@@ -1535,17 +1544,18 @@ ikev1_cr_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CR)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_CR)));
 

-       p = (struct ikev1_pl_cert *)ext;
+       p = (const struct ikev1_pl_cert *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&cert, ext, sizeof(cert));
        ND_PRINT((ndo," len=%d", item_len - 4));
        ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
        if (2 < ndo->ndo_vflag && 4 < item_len) {
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&cert, ext, sizeof(cert));
        ND_PRINT((ndo," len=%d", item_len - 4));
        ND_PRINT((ndo," type=%s", STR_OR_ID((cert.encode), certstr)));
        if (2 < ndo->ndo_vflag && 4 < item_len) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), item_len - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), item_len - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + item_len;
+       return (const u_char *)ext + item_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CR)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_CR)));
        return NULL;


@@ -1565,11 +1575,12 @@ ikev1_hash_print(netdissect_options *ndo, u_char tpay _U_,
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_HASH)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_HASH)));
        return NULL;


@@ -1589,11 +1600,12 @@ ikev1_sig_print(netdissect_options *ndo, u_char tpay _U_,
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SIG)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_SIG)));
        return NULL;


@@ -1603,7 +1615,7 @@ static const u_char *
 ikev1_nonce_print(netdissect_options *ndo, u_char tpay _U_,
                  const struct isakmp_gen *ext,
                  u_int item_len _U_,
 ikev1_nonce_print(netdissect_options *ndo, u_char tpay _U_,
                  const struct isakmp_gen *ext,
                  u_int item_len _U_,

-                 const u_char *ep _U_,
+                 const u_char *ep,

                  uint32_t phase _U_, uint32_t doi _U_,
                  uint32_t proto _U_, int depth _U_)
 {
                  uint32_t phase _U_, uint32_t doi _U_,
                  uint32_t proto _U_, int depth _U_)
 {


@@ -1613,17 +1625,22 @@ ikev1_nonce_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));

-       ND_PRINT((ndo," n len=%d", ntohs(e.len) - 4));
-       if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
-               ND_PRINT((ndo," "));
-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
-                       goto trunc;
-       } else if (1 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
-               ND_PRINT((ndo," "));
-               if (!ike_show_somedata(ndo, (u_char *)(caddr_t)(ext + 1), ep))
-                       goto trunc;
+       /*
+        * Our caller has ensured that the length is >= 4.
+        */
+       ND_PRINT((ndo," n len=%u", ntohs(e.len) - 4));
+       if (ntohs(e.len) > 4) {
+               if (ndo->ndo_vflag > 2) {
+                       ND_PRINT((ndo, " "));
+                       if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))
+                               goto trunc;
+               } else if (ndo->ndo_vflag > 1) {
+                       ND_PRINT((ndo, " "));
+                       if (!ike_show_somedata(ndo, (const u_char *)(ext + 1), ep))
+                               goto trunc;
+               }

        }
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_NONCE)));
        return NULL;


@@ -1632,12 +1649,13 @@ trunc:
 static const u_char *
 ikev1_n_print(netdissect_options *ndo, u_char tpay _U_,
              const struct isakmp_gen *ext, u_int item_len,
 static const u_char *
 ikev1_n_print(netdissect_options *ndo, u_char tpay _U_,
              const struct isakmp_gen *ext, u_int item_len,

-             const u_char *ep, uint32_t phase, uint32_t doi0 _U_,
-             uint32_t proto0 _U_, int depth)
+             const u_char *ep, uint32_t phase _U_, uint32_t doi0 _U_,
+             uint32_t proto0 _U_, int depth _U_)

 {
 {

-       struct ikev1_pl_n *p, n;
+       const struct ikev1_pl_n *p;
+       struct ikev1_pl_n n;

        const u_char *cp;
        const u_char *cp;

-       u_char *ep2;
+       const u_char *ep2;

        uint32_t doi;
        uint32_t proto;
        static const char *notify_error_str[] = {
        uint32_t doi;
        uint32_t proto;
        static const char *notify_error_str[] = {


@@ -1688,7 +1706,7 @@ ikev1_n_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_N)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_N)));
 

-       p = (struct ikev1_pl_n *)ext;
+       p = (const struct ikev1_pl_n *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&n, ext, sizeof(n));
        doi = ntohl(n.doi);
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&n, ext, sizeof(n));
        doi = ntohl(n.doi);


@@ -1706,10 +1724,10 @@ ikev1_n_print(netdissect_options *ndo, u_char tpay _U_,
                        ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
                if (n.spi_size) {
                        ND_PRINT((ndo," spi="));
                        ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
                if (n.spi_size) {
                        ND_PRINT((ndo," spi="));

-                       if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size))
+                       if (!rawprint(ndo, (const uint8_t *)(p + 1), n.spi_size))

                                goto trunc;
                }
                                goto trunc;
                }

-               return (u_char *)(p + 1) + n.spi_size;
+               return (const u_char *)(p + 1) + n.spi_size;

        }
 
        ND_PRINT((ndo," doi=ipsec"));
        }
 
        ND_PRINT((ndo," doi=ipsec"));


@@ -1726,45 +1744,54 @@ ikev1_n_print(netdissect_options *ndo, u_char tpay _U_,
                ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
        if (n.spi_size) {
                ND_PRINT((ndo," spi="));
                ND_PRINT((ndo," type=%s", numstr(ntohs(n.type))));
        if (n.spi_size) {
                ND_PRINT((ndo," spi="));

-               if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size))
+               if (!rawprint(ndo, (const uint8_t *)(p + 1), n.spi_size))

                        goto trunc;
        }
 
                        goto trunc;
        }
 

-       cp = (u_char *)(p + 1) + n.spi_size;
-       ep2 = (u_char *)p + item_len;
+       cp = (const u_char *)(p + 1) + n.spi_size;
+       ep2 = (const u_char *)p + item_len;

 
        if (cp < ep) {
 
        if (cp < ep) {

-               ND_PRINT((ndo," orig=("));

                switch (ntohs(n.type)) {
                case IPSECDOI_NTYPE_RESPONDER_LIFETIME:
                    {
                        const struct attrmap *map = oakley_t_map;
                        size_t nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]);
                switch (ntohs(n.type)) {
                case IPSECDOI_NTYPE_RESPONDER_LIFETIME:
                    {
                        const struct attrmap *map = oakley_t_map;
                        size_t nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]);

+                       ND_PRINT((ndo," attrs=("));

                        while (cp < ep && cp < ep2) {
                        while (cp < ep && cp < ep2) {

-                               cp = ikev1_attrmap_print(ndo, cp,
-                                       (ep < ep2) ? ep : ep2, map, nmap);
+                               cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);
+                               if (cp == NULL) {
+                                       ND_PRINT((ndo,")"));
+                                       goto trunc;
+                               }

                        }
                        }

+                       ND_PRINT((ndo,")"));

                        break;
                    }
                case IPSECDOI_NTYPE_REPLAY_STATUS:
                        break;
                    }
                case IPSECDOI_NTYPE_REPLAY_STATUS:

+                       ND_PRINT((ndo," status=("));

                        ND_PRINT((ndo,"replay detection %sabled",
                        ND_PRINT((ndo,"replay detection %sabled",

-                                 EXTRACT_32BITS(cp) ? "en" : "dis"));
-                       break;
-               case ISAKMP_NTYPE_NO_PROPOSAL_CHOSEN:
-                       if (ikev1_sub_print(ndo, ISAKMP_NPTYPE_SA,
-                                           (struct isakmp_gen *)cp, ep, phase, doi, proto,
-                                           depth) == NULL)
-                               return NULL;
+                                 EXTRACT_BE_U_4(cp) ? "en" : "dis"));
+                       ND_PRINT((ndo,")"));

                        break;
                default:
                        break;
                default:

-                       /* NULL is dummy */
-                       isakmp_print(ndo, cp,
-                                    item_len - sizeof(*p) - n.spi_size,
-                                    NULL);
+                       /*
+                        * XXX - fill in more types here; see, for example,
+                        * draft-ietf-ipsec-notifymsg-04.
+                        */
+                       if (ndo->ndo_vflag > 3) {
+                               ND_PRINT((ndo," data=("));
+                               if (!rawprint(ndo, (const uint8_t *)(cp), ep - cp))
+                                       goto trunc;
+                               ND_PRINT((ndo,")"));
+                       } else {
+                               if (!ike_show_somedata(ndo, cp, ep))
+                                       goto trunc;
+                       }
+                       break;

                }
                }

-               ND_PRINT((ndo,")"));

        }
        }

-       return (u_char *)ext + item_len;
+       return (const u_char *)ext + item_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
        return NULL;


@@ -1785,7 +1812,7 @@ ikev1_d_print(netdissect_options *ndo, u_char tpay _U_,
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_D)));
 
 
        ND_PRINT((ndo,"%s:", NPSTR(ISAKMP_NPTYPE_D)));
 

-       p = (struct ikev1_pl_d *)ext;
+       p = (const struct ikev1_pl_d *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&d, ext, sizeof(d));
        doi = ntohl(d.doi);
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&d, ext, sizeof(d));
        doi = ntohl(d.doi);


@@ -1800,11 +1827,11 @@ ikev1_d_print(netdissect_options *ndo, u_char tpay _U_,
        ND_PRINT((ndo," spilen=%u", d.spi_size));
        ND_PRINT((ndo," nspi=%u", ntohs(d.num_spi)));
        ND_PRINT((ndo," spi="));
        ND_PRINT((ndo," spilen=%u", d.spi_size));
        ND_PRINT((ndo," nspi=%u", ntohs(d.num_spi)));
        ND_PRINT((ndo," spi="));

-       q = (uint8_t *)(p + 1);
+       q = (const uint8_t *)(p + 1);

        for (i = 0; i < ntohs(d.num_spi); i++) {
                if (i != 0)
                        ND_PRINT((ndo,","));
        for (i = 0; i < ntohs(d.num_spi); i++) {
                if (i != 0)
                        ND_PRINT((ndo,","));

-               if (!rawprint(ndo, (caddr_t)q, d.spi_size))
+               if (!rawprint(ndo, (const uint8_t *)q, d.spi_size))

                        goto trunc;
                q += d.spi_size;
        }
                        goto trunc;
                q += d.spi_size;
        }


@@ -1829,11 +1856,12 @@ ikev1_vid_print(netdissect_options *ndo, u_char tpay _U_,
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_VID)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_VID)));
        return NULL;


@@ -1863,21 +1891,21 @@ ikev2_gen_print(netdissect_options *ndo, u_char tpay,
 
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
 
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (2 < ndo->ndo_vflag && 4 < ntohs(e.len)) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 }
 
 static const u_char *
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 }
 
 static const u_char *

-ikev2_t_print(netdissect_options *ndo, u_char tpay _U_, int pcount,
+ikev2_t_print(netdissect_options *ndo, int tcount,

              const struct isakmp_gen *ext, u_int item_len,
              const struct isakmp_gen *ext, u_int item_len,

-             const u_char *ep, uint32_t phase _U_, uint32_t doi _U_,
-             uint32_t proto _U_, int depth _U_)
+             const u_char *ep)

 {
        const struct ikev2_t *p;
        struct ikev2_t t;
 {
        const struct ikev2_t *p;
        struct ikev2_t t;


@@ -1888,7 +1916,7 @@ ikev2_t_print(netdissect_options *ndo, u_char tpay _U_, int pcount,
        size_t nmap;
        const u_char *ep2;
 
        size_t nmap;
        const u_char *ep2;
 

-       p = (struct ikev2_t *)ext;
+       p = (const struct ikev2_t *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&t, ext, sizeof(t));
        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_T), t.h.critical);
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&t, ext, sizeof(t));
        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_T), t.h.critical);


@@ -1927,21 +1955,22 @@ ikev2_t_print(netdissect_options *ndo, u_char tpay _U_, int pcount,
        }
 
        if (idstr)
        }
 
        if (idstr)

-               ND_PRINT((ndo," #%u type=%s id=%s ", pcount,
+               ND_PRINT((ndo," #%u type=%s id=%s ", tcount,

                          STR_OR_ID(t.t_type, ikev2_t_type_map),
                          idstr));
        else
                          STR_OR_ID(t.t_type, ikev2_t_type_map),
                          idstr));
        else

-               ND_PRINT((ndo," #%u type=%s id=%u ", pcount,
+               ND_PRINT((ndo," #%u type=%s id=%u ", tcount,

                          STR_OR_ID(t.t_type, ikev2_t_type_map),
                          t.t_id));
                          STR_OR_ID(t.t_type, ikev2_t_type_map),
                          t.t_id));

-       cp = (u_char *)(p + 1);
-       ep2 = (u_char *)p + item_len;
+       cp = (const u_char *)(p + 1);
+       ep2 = (const u_char *)p + item_len;

        while (cp < ep && cp < ep2) {
                if (map && nmap) {
        while (cp < ep && cp < ep2) {
                if (map && nmap) {

-                       cp = ikev1_attrmap_print(ndo, cp, (ep < ep2) ? ep : ep2,
-                               map, nmap);
+                       cp = ikev1_attrmap_print(ndo, cp, ep2, map, nmap);

                } else
                } else

-                       cp = ikev1_attr_print(ndo, cp, (ep < ep2) ? ep : ep2);
+                       cp = ikev1_attr_print(ndo, cp, ep2);
+               if (cp == NULL)
+                       goto trunc;

        }
        if (ep < ep2)
                ND_PRINT((ndo,"..."));
        }
        if (ep < ep2)
                ND_PRINT((ndo,"..."));


@@ -1953,34 +1982,96 @@ trunc:
 
 static const u_char *
 ikev2_p_print(netdissect_options *ndo, u_char tpay _U_, int pcount _U_,
 
 static const u_char *
 ikev2_p_print(netdissect_options *ndo, u_char tpay _U_, int pcount _U_,

-             const struct isakmp_gen *ext, u_int item_len _U_,
-              const u_char *ep, uint32_t phase, uint32_t doi0,
-              uint32_t proto0 _U_, int depth)
+             const struct isakmp_gen *ext, u_int oprop_length,
+             const u_char *ep, int depth)

 {
        const struct ikev2_p *p;
        struct ikev2_p prop;
 {
        const struct ikev2_p *p;
        struct ikev2_p prop;

+       u_int prop_length;

        const u_char *cp;
        const u_char *cp;

+       int i;
+       int tcount;
+       u_char np;
+       struct isakmp_gen e;
+       u_int item_len;

 
 

-       p = (struct ikev2_p *)ext;
+       p = (const struct ikev2_p *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&prop, ext, sizeof(prop));
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&prop, ext, sizeof(prop));

+

        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_P), prop.h.critical);
 
        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_P), prop.h.critical);
 

+       /*
+        * ikev2_sa_print() guarantees that this is >= 4.
+        */
+       prop_length = oprop_length - 4;

        ND_PRINT((ndo," #%u protoid=%s transform=%d len=%u",
                  prop.p_no,  PROTOIDSTR(prop.prot_id),
        ND_PRINT((ndo," #%u protoid=%s transform=%d len=%u",
                  prop.p_no,  PROTOIDSTR(prop.prot_id),

-                 prop.num_t, ntohs(prop.h.len)));
+                 prop.num_t, oprop_length));
+       cp = (const u_char *)(p + 1);
+

        if (prop.spi_size) {
        if (prop.spi_size) {

+               if (prop_length < prop.spi_size)
+                       goto toolong;

                ND_PRINT((ndo," spi="));
                ND_PRINT((ndo," spi="));

-               if (!rawprint(ndo, (caddr_t)(p + 1), prop.spi_size))
+               if (!rawprint(ndo, (const uint8_t *)cp, prop.spi_size))

                        goto trunc;
                        goto trunc;

+               cp += prop.spi_size;
+               prop_length -= prop.spi_size;

        }
 
        }
 

-       ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size);
-       ND_TCHECK(*ext);
+       /*
+        * Print the transforms.
+        */
+       tcount = 0;
+       for (np = ISAKMP_NPTYPE_T; np != 0; np = e.np) {
+               tcount++;
+               ext = (const struct isakmp_gen *)cp;
+               if (prop_length < sizeof(*ext))
+                       goto toolong;
+               ND_TCHECK(*ext);
+               UNALIGNED_MEMCPY(&e, ext, sizeof(e));

 
 

-       cp = ikev2_sub_print(ndo, NULL, ISAKMP_NPTYPE_T, ext, ep, phase, doi0,
-                            prop.prot_id, depth);
+               /*
+                * Since we can't have a payload length of less than 4 bytes,
+                * we need to bail out here if the generic header is nonsensical
+                * or truncated, otherwise we could loop forever processing
+                * zero-length items or otherwise misdissect the packet.
+                */
+               item_len = ntohs(e.len);
+               if (item_len <= 4)
+                       goto trunc;
+
+               if (prop_length < item_len)
+                       goto toolong;
+               ND_TCHECK2(*cp, item_len);

 
 

+               depth++;
+               ND_PRINT((ndo,"\n"));
+               for (i = 0; i < depth; i++)
+                       ND_PRINT((ndo,"    "));
+               ND_PRINT((ndo,"("));
+               if (np == ISAKMP_NPTYPE_T) {
+                       cp = ikev2_t_print(ndo, tcount, ext, item_len, ep);
+                       if (cp == NULL) {
+                               /* error, already reported */
+                               return NULL;
+                       }
+               } else {
+                       ND_PRINT((ndo, "%s", NPSTR(np)));
+                       cp += item_len;
+               }
+               ND_PRINT((ndo,")"));
+               depth--;
+               prop_length -= item_len;
+       }
+       return cp;
+toolong:
+       /*
+        * Skip the rest of the proposal.
+        */
+       cp += prop_length;
+       ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P)));

        return cp;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P)));
        return cp;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_P)));


@@ -1990,26 +2081,85 @@ trunc:
 static const u_char *
 ikev2_sa_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext1,
 static const u_char *
 ikev2_sa_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext1,

-               u_int item_len _U_, const u_char *ep _U_,
+               u_int osa_length, const u_char *ep,

                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t phase _U_, uint32_t doi _U_,

-               uint32_t proto _U_, int depth _U_)
+               uint32_t proto _U_, int depth)

 {
 {

+       const struct isakmp_gen *ext;

        struct isakmp_gen e;
        struct isakmp_gen e;

-       int    osa_length, sa_length;
+       u_int sa_length;
+       const u_char *cp;
+       int i;
+       int pcount;
+       u_char np;
+       u_int item_len;

 
        ND_TCHECK(*ext1);
        UNALIGNED_MEMCPY(&e, ext1, sizeof(e));
        ikev2_pay_print(ndo, "sa", e.critical);
 
 
        ND_TCHECK(*ext1);
        UNALIGNED_MEMCPY(&e, ext1, sizeof(e));
        ikev2_pay_print(ndo, "sa", e.critical);
 

+       /*
+        * ikev2_sub0_print() guarantees that this is >= 4.
+        */

        osa_length= ntohs(e.len);
        sa_length = osa_length - 4;
        ND_PRINT((ndo," len=%d", sa_length));
 
        osa_length= ntohs(e.len);
        sa_length = osa_length - 4;
        ND_PRINT((ndo," len=%d", sa_length));
 

-       ikev2_sub_print(ndo, NULL, ISAKMP_NPTYPE_P,
-                       ext1+1, ep,
-                       0, 0, 0, depth);
+       /*
+        * Print the payloads.
+        */
+       cp = (const u_char *)(ext1 + 1);
+       pcount = 0;
+       for (np = ISAKMP_NPTYPE_P; np != 0; np = e.np) {
+               pcount++;
+               ext = (const struct isakmp_gen *)cp;
+               if (sa_length < sizeof(*ext))
+                       goto toolong;
+               ND_TCHECK(*ext);
+               UNALIGNED_MEMCPY(&e, ext, sizeof(e));

 
 

-       return (u_char *)ext1 + osa_length;
+               /*
+                * Since we can't have a payload length of less than 4 bytes,
+                * we need to bail out here if the generic header is nonsensical
+                * or truncated, otherwise we could loop forever processing
+                * zero-length items or otherwise misdissect the packet.
+                */
+               item_len = ntohs(e.len);
+               if (item_len <= 4)
+                       goto trunc;
+
+               if (sa_length < item_len)
+                       goto toolong;
+               ND_TCHECK2(*cp, item_len);
+
+               depth++;
+               ND_PRINT((ndo,"\n"));
+               for (i = 0; i < depth; i++)
+                       ND_PRINT((ndo,"    "));
+               ND_PRINT((ndo,"("));
+               if (np == ISAKMP_NPTYPE_P) {
+                       cp = ikev2_p_print(ndo, np, pcount, ext, item_len,
+                                          ep, depth);
+                       if (cp == NULL) {
+                               /* error, already reported */
+                               return NULL;
+                       }
+               } else {
+                       ND_PRINT((ndo, "%s", NPSTR(np)));
+                       cp += item_len;
+               }
+               ND_PRINT((ndo,")"));
+               depth--;
+               sa_length -= item_len;
+       }
+       return cp;
+toolong:
+       /*
+        * Skip the rest of the SA.
+        */
+       cp += sa_length;
+       ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
+       return cp;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2023,10 +2173,10 @@ ikev2_ke_print(netdissect_options *ndo, u_char tpay,
                uint32_t proto _U_, int depth _U_)
 {
        struct ikev2_ke ke;
                uint32_t proto _U_, int depth _U_)
 {
        struct ikev2_ke ke;

-       struct ikev2_ke *k;
+       const struct ikev2_ke *k;

 
 

-       k = (struct ikev2_ke *)ext;
-       ND_TCHECK(*ext);
+       k = (const struct ikev2_ke *)ext;
+       ND_TCHECK(*k);

        UNALIGNED_MEMCPY(&ke, ext, sizeof(ke));
        ikev2_pay_print(ndo, NPSTR(tpay), ke.h.critical);
 
        UNALIGNED_MEMCPY(&ke, ext, sizeof(ke));
        ikev2_pay_print(ndo, NPSTR(tpay), ke.h.critical);
 


@@ -2035,10 +2185,10 @@ ikev2_ke_print(netdissect_options *ndo, u_char tpay,
 
        if (2 < ndo->ndo_vflag && 8 < ntohs(ke.h.len)) {
                ND_PRINT((ndo," "));
 
        if (2 < ndo->ndo_vflag && 8 < ntohs(ke.h.len)) {
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(k + 1), ntohs(ke.h.len) - 8))
+               if (!rawprint(ndo, (const uint8_t *)(k + 1), ntohs(ke.h.len) - 8))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(ke.h.len);
+       return (const u_char *)ext + ntohs(ke.h.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2051,12 +2201,14 @@ ikev2_ID_print(netdissect_options *ndo, u_char tpay,
                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {
                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {

+       const struct ikev2_id *idp;

        struct ikev2_id id;
        int id_len, idtype_len, i;
        unsigned int dumpascii, dumphex;
        struct ikev2_id id;
        int id_len, idtype_len, i;
        unsigned int dumpascii, dumphex;

-       unsigned char *typedata;
+       const unsigned char *typedata;

 
 

-       ND_TCHECK(*ext);
+       idp = (const struct ikev2_id *)ext;
+       ND_TCHECK(*idp);

        UNALIGNED_MEMCPY(&id, ext, sizeof(id));
        ikev2_pay_print(ndo, NPSTR(tpay), id.h.critical);
 
        UNALIGNED_MEMCPY(&id, ext, sizeof(id));
        ikev2_pay_print(ndo, NPSTR(tpay), id.h.critical);
 


@@ -2064,15 +2216,16 @@ ikev2_ID_print(netdissect_options *ndo, u_char tpay,
 
        ND_PRINT((ndo," len=%d", id_len - 4));
        if (2 < ndo->ndo_vflag && 4 < id_len) {
 
        ND_PRINT((ndo," len=%d", id_len - 4));
        if (2 < ndo->ndo_vflag && 4 < id_len) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), id_len - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), id_len - 4))

                        goto trunc;
        }
 
        idtype_len =id_len - sizeof(struct ikev2_id);
        dumpascii = 0;
        dumphex   = 0;
                        goto trunc;
        }
 
        idtype_len =id_len - sizeof(struct ikev2_id);
        dumpascii = 0;
        dumphex   = 0;

-       typedata  = (unsigned char *)(ext)+sizeof(struct ikev2_id);
+       typedata  = (const unsigned char *)(ext)+sizeof(struct ikev2_id);

 
        switch(id.type) {
        case ID_IPV4_ADDR:
 
        switch(id.type) {
        case ID_IPV4_ADDR:


@@ -2108,19 +2261,19 @@ ikev2_ID_print(netdissect_options *ndo, u_char tpay,
        if(dumpascii) {
                ND_TCHECK2(*typedata, idtype_len);
                for(i=0; i<idtype_len; i++) {
        if(dumpascii) {
                ND_TCHECK2(*typedata, idtype_len);
                for(i=0; i<idtype_len; i++) {

-                       if(ND_ISPRINT(typedata[i])) {
-                               ND_PRINT((ndo, "%c", typedata[i]));
+                       if(ND_ISPRINT(EXTRACT_U_1(typedata + i))) {
+                               ND_PRINT((ndo, "%c", EXTRACT_U_1(typedata + i)));

                        } else {
                                ND_PRINT((ndo, "."));
                        }
                }
        }
        if(dumphex) {
                        } else {
                                ND_PRINT((ndo, "."));
                        }
                }
        }
        if(dumphex) {

-               if (!rawprint(ndo, (caddr_t)typedata, idtype_len))
+               if (!rawprint(ndo, (const uint8_t *)typedata, idtype_len))

                        goto trunc;
        }
 
                        goto trunc;
        }
 

-       return (u_char *)ext + id_len;
+       return (const u_char *)ext + id_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2149,34 +2302,39 @@ ikev2_cr_print(netdissect_options *ndo, u_char tpay,
 static const u_char *
 ikev2_auth_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext,
 static const u_char *
 ikev2_auth_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext,

-               u_int item_len _U_, const u_char *ep _U_,
+               u_int item_len _U_, const u_char *ep,

                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {
        struct ikev2_auth a;
        const char *v2_auth[]={ "invalid", "rsasig",
                                "shared-secret", "dsssig" };
                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {
        struct ikev2_auth a;
        const char *v2_auth[]={ "invalid", "rsasig",
                                "shared-secret", "dsssig" };

-       u_char *authdata = (u_char*)ext + sizeof(a);
+       const u_char *authdata = (const u_char*)ext + sizeof(a);

        unsigned int len;
 
        unsigned int len;
 

-       ND_TCHECK(*ext);
+       ND_TCHECK2(*ext, sizeof(a));

        UNALIGNED_MEMCPY(&a, ext, sizeof(a));
        ikev2_pay_print(ndo, NPSTR(tpay), a.h.critical);
        len = ntohs(a.h.len);
 
        UNALIGNED_MEMCPY(&a, ext, sizeof(a));
        ikev2_pay_print(ndo, NPSTR(tpay), a.h.critical);
        len = ntohs(a.h.len);
 

-       ND_PRINT((ndo," len=%d method=%s", len-4,
+       /*
+        * Our caller has ensured that the length is >= 4.
+        */
+       ND_PRINT((ndo," len=%u method=%s", len-4,

                  STR_OR_ID(a.auth_method, v2_auth)));
                  STR_OR_ID(a.auth_method, v2_auth)));

-
-       if (1 < ndo->ndo_vflag && 4 < len) {
-               ND_PRINT((ndo," authdata=("));
-               if (!rawprint(ndo, (caddr_t)authdata, len - sizeof(a)))
-                       goto trunc;
-               ND_PRINT((ndo,") "));
-       } else if(ndo->ndo_vflag && 4 < len) {
-               if(!ike_show_somedata(ndo, authdata, ep)) goto trunc;
+       if (len > 4) {
+               if (ndo->ndo_vflag > 1) {
+                       ND_PRINT((ndo, " authdata=("));
+                       if (!rawprint(ndo, (const uint8_t *)authdata, len - sizeof(a)))
+                               goto trunc;
+                       ND_PRINT((ndo, ") "));
+               } else if (ndo->ndo_vflag) {
+                       if (!ike_show_somedata(ndo, authdata, ep))
+                               goto trunc;
+               }

        }
 
        }
 

-       return (u_char *)ext + len;
+       return (const u_char *)ext + len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2185,7 +2343,7 @@ trunc:
 static const u_char *
 ikev2_nonce_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext,
 static const u_char *
 ikev2_nonce_print(netdissect_options *ndo, u_char tpay,
                const struct isakmp_gen *ext,

-               u_int item_len _U_, const u_char *ep _U_,
+               u_int item_len _U_, const u_char *ep,

                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {
                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {


@@ -2198,14 +2356,14 @@ ikev2_nonce_print(netdissect_options *ndo, u_char tpay,
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (1 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
                ND_PRINT((ndo," nonce=("));
        ND_PRINT((ndo," len=%d", ntohs(e.len) - 4));
        if (1 < ndo->ndo_vflag && 4 < ntohs(e.len)) {
                ND_PRINT((ndo," nonce=("));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
                ND_PRINT((ndo,") "));
        } else if(ndo->ndo_vflag && 4 < ntohs(e.len)) {
                if(!ike_show_somedata(ndo, (const u_char *)(ext+1), ep)) goto trunc;
        }
 
                        goto trunc;
                ND_PRINT((ndo,") "));
        } else if(ndo->ndo_vflag && 4 < ntohs(e.len)) {
                if(!ike_show_somedata(ndo, (const u_char *)(ext+1), ep)) goto trunc;
        }
 

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2215,23 +2373,23 @@ trunc:
 static const u_char *
 ikev2_n_print(netdissect_options *ndo, u_char tpay _U_,
                const struct isakmp_gen *ext,
 static const u_char *
 ikev2_n_print(netdissect_options *ndo, u_char tpay _U_,
                const struct isakmp_gen *ext,

-               u_int item_len _U_, const u_char *ep _U_,
+               u_int item_len, const u_char *ep,

                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {
                uint32_t phase _U_, uint32_t doi _U_,
                uint32_t proto _U_, int depth _U_)
 {

-       struct ikev2_n *p, n;
+       const struct ikev2_n *p;
+       struct ikev2_n n;

        const u_char *cp;
        const u_char *cp;

-       u_char showspi, showdata, showsomedata;
+       u_char showspi, showsomedata;

        const char *notify_name;
        uint32_t type;
 
        const char *notify_name;
        uint32_t type;
 

-       p = (struct ikev2_n *)ext;
+       p = (const struct ikev2_n *)ext;

        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&n, ext, sizeof(n));
        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_N), n.h.critical);
 
        showspi = 1;
        ND_TCHECK(*p);
        UNALIGNED_MEMCPY(&n, ext, sizeof(n));
        ikev2_pay_print(ndo, NPSTR(ISAKMP_NPTYPE_N), n.h.critical);
 
        showspi = 1;

-       showdata = 0;

        showsomedata=0;
        notify_name=NULL;
 
        showsomedata=0;
        notify_name=NULL;
 


@@ -2345,7 +2503,6 @@ ikev2_n_print(netdissect_options *ndo, u_char tpay _U_,
                notify_name = "cookie";
                showspi = 1;
                showsomedata= 1;
                notify_name = "cookie";
                showspi = 1;
                showsomedata= 1;

-               showdata= 0;

                break;
 
        case IV2_NOTIFY_USE_TRANSPORT_MODE:
                break;
 
        case IV2_NOTIFY_USE_TRANSPORT_MODE:


@@ -2392,28 +2549,26 @@ ikev2_n_print(netdissect_options *ndo, u_char tpay _U_,
 
        if (showspi && n.spi_size) {
                ND_PRINT((ndo," spi="));
 
        if (showspi && n.spi_size) {
                ND_PRINT((ndo," spi="));

-               if (!rawprint(ndo, (caddr_t)(p + 1), n.spi_size))
+               if (!rawprint(ndo, (const uint8_t *)(p + 1), n.spi_size))

                        goto trunc;
        }
 
                        goto trunc;
        }
 

-       cp = (u_char *)(p + 1) + n.spi_size;
-
-       if(3 < ndo->ndo_vflag) {
-               showdata = 1;
-       }
-
-       if ((showdata || (showsomedata && ep-cp < 30)) && cp < ep) {
-               ND_PRINT((ndo," data=("));
-               if (!rawprint(ndo, (caddr_t)(cp), ep - cp))
-                       goto trunc;
+       cp = (const u_char *)(p + 1) + n.spi_size;

 
 

-               ND_PRINT((ndo,")"));
+       if (cp < ep) {
+               if (ndo->ndo_vflag > 3 || (showsomedata && ep-cp < 30)) {
+                       ND_PRINT((ndo," data=("));
+                       if (!rawprint(ndo, (const uint8_t *)(cp), ep - cp))
+                               goto trunc;

 
 

-       } else if(showsomedata && cp < ep) {
-               if(!ike_show_somedata(ndo, cp, ep)) goto trunc;
+                       ND_PRINT((ndo,")"));
+               } else if (showsomedata) {
+                       if (!ike_show_somedata(ndo, cp, ep))
+                               goto trunc;
+               }

        }
 
        }
 

-       return (u_char *)ext + item_len;
+       return (const u_char *)ext + item_len;

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(ISAKMP_NPTYPE_N)));
        return NULL;


@@ -2449,15 +2604,17 @@ ikev2_vid_print(netdissect_options *ndo, u_char tpay,
        len = ntohs(e.len) - 4;
        ND_TCHECK2(*vid, len);
        for(i=0; i<len; i++) {
        len = ntohs(e.len) - 4;
        ND_TCHECK2(*vid, len);
        for(i=0; i<len; i++) {

-               if(ND_ISPRINT(vid[i])) ND_PRINT((ndo, "%c", vid[i]));
+               if(ND_ISPRINT(EXTRACT_U_1(vid + i)))
+                       ND_PRINT((ndo, "%c", EXTRACT_U_1(vid + i)));

                else ND_PRINT((ndo, "."));
        }
        if (2 < ndo->ndo_vflag && 4 < len) {
                else ND_PRINT((ndo, "."));
        }
        if (2 < ndo->ndo_vflag && 4 < len) {

+               /* Print the entire payload in hex */

                ND_PRINT((ndo," "));
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), ntohs(e.len) - 4))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), ntohs(e.len) - 4))

                        goto trunc;
        }
                        goto trunc;
        }

-       return (u_char *)ext + ntohs(e.len);
+       return (const u_char *)ext + ntohs(e.len);

 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;
 trunc:
        ND_PRINT((ndo," [|%s]", NPSTR(tpay)));
        return NULL;


@@ -2500,7 +2657,7 @@ ikev2_e_print(netdissect_options *ndo,
              int depth)
 {
        struct isakmp_gen e;
              int depth)
 {
        struct isakmp_gen e;

-       u_char *dat;
+       const u_char *dat;

        volatile int dlen;
 
        ND_TCHECK(*ext);
        volatile int dlen;
 
        ND_TCHECK(*ext);


@@ -2512,11 +2669,11 @@ ikev2_e_print(netdissect_options *ndo,
        ND_PRINT((ndo," len=%d", dlen));
        if (2 < ndo->ndo_vflag && 4 < dlen) {
                ND_PRINT((ndo," "));
        ND_PRINT((ndo," len=%d", dlen));
        if (2 < ndo->ndo_vflag && 4 < dlen) {
                ND_PRINT((ndo," "));

-               if (!rawprint(ndo, (caddr_t)(ext + 1), dlen))
+               if (!rawprint(ndo, (const uint8_t *)(ext + 1), dlen))

                        goto trunc;
        }
 
                        goto trunc;
        }
 

-       dat = (u_char *)(ext+1);
+       dat = (const u_char *)(ext+1);

        ND_TCHECK2(*dat, dlen);
 
 #ifdef HAVE_LIBCRYPTO
        ND_TCHECK2(*dat, dlen);
 
 #ifdef HAVE_LIBCRYPTO


@@ -2574,7 +2731,7 @@ ike_sub0_print(netdissect_options *ndo,
        struct isakmp_gen e;
        u_int item_len;
 
        struct isakmp_gen e;
        u_int item_len;
 

-       cp = (u_char *)ext;
+       cp = (const u_char *)ext;

        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 


@@ -2618,7 +2775,6 @@ ikev1_sub_print(netdissect_options *ndo,
 
        while (np) {
                ND_TCHECK(*ext);
 
        while (np) {
                ND_TCHECK(*ext);

-

                UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
                ND_TCHECK2(*ext, ntohs(e.len));
                UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
                ND_TCHECK2(*ext, ntohs(e.len));


@@ -2638,7 +2794,7 @@ ikev1_sub_print(netdissect_options *ndo,
                }
 
                np = e.np;
                }
 
                np = e.np;

-               ext = (struct isakmp_gen *)cp;
+               ext = (const struct isakmp_gen *)cp;

        }
        return cp;
 trunc:
        }
        return cp;
 trunc:


@@ -2668,7 +2824,7 @@ ikev1_print(netdissect_options *ndo,
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 

-       phase = (EXTRACT_32BITS(base->msgid) == 0) ? 1 : 2;
+       phase = (EXTRACT_BE_U_4(base->msgid) == 0) ? 1 : 2;

        if (phase == 1)
                ND_PRINT((ndo," phase %d", phase));
        else
        if (phase == 1)
                ND_PRINT((ndo," phase %d", phase));
        else


@@ -2676,7 +2832,7 @@ ikev1_print(netdissect_options *ndo,
 
        i = cookie_find(&base->i_ck);
        if (i < 0) {
 
        i = cookie_find(&base->i_ck);
        if (i < 0) {

-               if (iszero((u_char *)&base->r_ck, sizeof(base->r_ck))) {
+               if (iszero((const u_char *)&base->r_ck, sizeof(base->r_ck))) {

                        /* the first packet */
                        ND_PRINT((ndo," I"));
                        if (bp2)
                        /* the first packet */
                        ND_PRINT((ndo," I"));
                        if (bp2)


@@ -2715,7 +2871,7 @@ ikev1_print(netdissect_options *ndo,
 
                CHECKLEN(p + 1, base->np);
                np = base->np;
 
                CHECKLEN(p + 1, base->np);
                np = base->np;

-               ext = (struct isakmp_gen *)(p + 1);
+               ext = (const struct isakmp_gen *)(p + 1);

                ikev1_sub_print(ndo, np, ext, ep, phase, 0, 0, 0);
        }
 
                ikev1_sub_print(ndo, np, ext, ep, phase, 0, 0, 0);
        }
 


@@ -2730,7 +2886,7 @@ done:
 
 static const u_char *
 ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,
 
 static const u_char *
 ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,

-                u_char np, int pcount,
+                u_char np,

                 const struct isakmp_gen *ext, const u_char *ep,
                 uint32_t phase, uint32_t doi, uint32_t proto, int depth)
 {
                 const struct isakmp_gen *ext, const u_char *ep,
                 uint32_t phase, uint32_t doi, uint32_t proto, int depth)
 {


@@ -2738,7 +2894,7 @@ ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,
        struct isakmp_gen e;
        u_int item_len;
 
        struct isakmp_gen e;
        u_int item_len;
 

-       cp = (u_char *)ext;
+       cp = (const u_char *)ext;

        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
        ND_TCHECK(*ext);
        UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 


@@ -2752,13 +2908,7 @@ ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,
        if (item_len <= 4)
                return NULL;
 
        if (item_len <= 4)
                return NULL;
 

-       if(np == ISAKMP_NPTYPE_P) {
-               cp = ikev2_p_print(ndo, np, pcount, ext, item_len,
-                                  ep, phase, doi, proto, depth);
-       } else if(np == ISAKMP_NPTYPE_T) {
-               cp = ikev2_t_print(ndo, np, pcount, ext, item_len,
-                                  ep, phase, doi, proto, depth);
-       } else if(np == ISAKMP_NPTYPE_v2E) {
+       if (np == ISAKMP_NPTYPE_v2E) {

                cp = ikev2_e_print(ndo, base, np, ext, item_len,
                                   ep, phase, doi, proto, depth);
        } else if (NPFUNC(np)) {
                cp = ikev2_e_print(ndo, base, np, ext, item_len,
                                   ep, phase, doi, proto, depth);
        } else if (NPFUNC(np)) {


@@ -2766,7 +2916,7 @@ ikev2_sub0_print(netdissect_options *ndo, struct isakmp *base,
                 * XXX - what if item_len is too short, or too long,
                 * for this payload type?
                 */
                 * XXX - what if item_len is too short, or too long,
                 * for this payload type?
                 */

-               cp = (*npfunc[np])(ndo, np, /*pcount,*/ ext, item_len,
+               cp = (*npfunc[np])(ndo, np, ext, item_len,

                                   ep, phase, doi, proto, depth);
        } else {
                ND_PRINT((ndo,"%s", NPSTR(np)));
                                   ep, phase, doi, proto, depth);
        } else {
                ND_PRINT((ndo,"%s", NPSTR(np)));


@@ -2787,15 +2937,11 @@ ikev2_sub_print(netdissect_options *ndo,
 {
        const u_char *cp;
        int i;
 {
        const u_char *cp;
        int i;

-       int pcount;

        struct isakmp_gen e;
 
        cp = (const u_char *)ext;
        struct isakmp_gen e;
 
        cp = (const u_char *)ext;

-       pcount = 0;

        while (np) {
        while (np) {

-               pcount++;

                ND_TCHECK(*ext);
                ND_TCHECK(*ext);

-

                UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
                ND_TCHECK2(*ext, ntohs(e.len));
                UNALIGNED_MEMCPY(&e, ext, sizeof(e));
 
                ND_TCHECK2(*ext, ntohs(e.len));


@@ -2805,7 +2951,7 @@ ikev2_sub_print(netdissect_options *ndo,
                for (i = 0; i < depth; i++)
                        ND_PRINT((ndo,"    "));
                ND_PRINT((ndo,"("));
                for (i = 0; i < depth; i++)
                        ND_PRINT((ndo,"    "));
                ND_PRINT((ndo,"("));

-               cp = ikev2_sub0_print(ndo, base, np, pcount,
+               cp = ikev2_sub0_print(ndo, base, np,

                                      ext, ep, phase, doi, proto, depth);
                ND_PRINT((ndo,")"));
                depth--;
                                      ext, ep, phase, doi, proto, depth);
                ND_PRINT((ndo,")"));
                depth--;


@@ -2816,7 +2962,7 @@ ikev2_sub_print(netdissect_options *ndo,
                }
 
                np = e.np;
                }
 
                np = e.np;

-               ext = (struct isakmp_gen *)cp;
+               ext = (const struct isakmp_gen *)cp;

        }
        return cp;
 trunc:
        }
        return cp;
 trunc:


@@ -2837,7 +2983,7 @@ ikev2_print(netdissect_options *ndo,
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 

-       phase = (EXTRACT_32BITS(base->msgid) == 0) ? 1 : 2;
+       phase = (EXTRACT_BE_U_4(base->msgid) == 0) ? 1 : 2;

        if (phase == 1)
                ND_PRINT((ndo, " parent_sa"));
        else
        if (phase == 1)
                ND_PRINT((ndo, " parent_sa"));
        else


@@ -2869,7 +3015,7 @@ ikev2_print(netdissect_options *ndo,
                CHECKLEN(p + 1, base->np)
 
                np = base->np;
                CHECKLEN(p + 1, base->np)
 
                np = base->np;

-               ext = (struct isakmp_gen *)(p + 1);
+               ext = (const struct isakmp_gen *)(p + 1);

                ikev2_sub_print(ndo, base, np, ext, ep, phase, 0, 0, 0);
        }
 
                ikev2_sub_print(ndo, base, np, ext, ep, phase, 0, 0, 0);
        }
 


@@ -2903,7 +3049,7 @@ isakmp_print(netdissect_options *ndo,
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 
        p = (const struct isakmp *)bp;
        ep = ndo->ndo_snapend;
 

-       if ((struct isakmp *)ep < p + 1) {
+       if ((const struct isakmp *)ep < p + 1) {

                ND_PRINT((ndo,"[|isakmp]"));
                return;
        }
                ND_PRINT((ndo,"[|isakmp]"));
                return;
        }


@@ -2922,14 +3068,14 @@ isakmp_print(netdissect_options *ndo,
 
        if (ndo->ndo_vflag) {
                ND_PRINT((ndo," msgid "));
 
        if (ndo->ndo_vflag) {
                ND_PRINT((ndo," msgid "));

-               hexprint(ndo, (caddr_t)&base.msgid, sizeof(base.msgid));
+               hexprint(ndo, (const uint8_t *)&base.msgid, sizeof(base.msgid));

        }
 
        if (1 < ndo->ndo_vflag) {
                ND_PRINT((ndo," cookie "));
        }
 
        if (1 < ndo->ndo_vflag) {
                ND_PRINT((ndo," cookie "));

-               hexprint(ndo, (caddr_t)&base.i_ck, sizeof(base.i_ck));
+               hexprint(ndo, (const uint8_t *)&base.i_ck, sizeof(base.i_ck));

                ND_PRINT((ndo,"->"));
                ND_PRINT((ndo,"->"));

-               hexprint(ndo, (caddr_t)&base.r_ck, sizeof(base.r_ck));
+               hexprint(ndo, (const uint8_t *)&base.r_ck, sizeof(base.r_ck));

        }
        ND_PRINT((ndo,":"));
 
        }
        ND_PRINT((ndo,":"));
 


@@ -2949,7 +3095,7 @@ isakmp_rfc3948_print(netdissect_options *ndo,
                     const u_char *bp, u_int length,
                     const u_char *bp2)
 {
                     const u_char *bp, u_int length,
                     const u_char *bp2)
 {

-
+       ND_TCHECK(bp[0]);

        if(length == 1 && bp[0]==0xff) {
                ND_PRINT((ndo, "isakmp-nat-keep-alive"));
                return;
        if(length == 1 && bp[0]==0xff) {
                ND_PRINT((ndo, "isakmp-nat-keep-alive"));
                return;


@@ -2958,6 +3104,7 @@ isakmp_rfc3948_print(netdissect_options *ndo,
        if(length < 4) {
                goto trunc;
        }
        if(length < 4) {
                goto trunc;
        }

+       ND_TCHECK(bp[3]);

 
        /*
         * see if this is an IKE packet
 
        /*
         * see if this is an IKE packet


@@ -2970,7 +3117,7 @@ isakmp_rfc3948_print(netdissect_options *ndo,
 
        /* must be an ESP packet */
        {
 
        /* must be an ESP packet */
        {

-               int nh, enh, padlen;
+               u_int nh, enh, padlen;

                int advance;
 
                ND_PRINT((ndo, "UDP-encap: "));
                int advance;
 
                ND_PRINT((ndo, "UDP-encap: "));


@@ -2998,7 +3145,3 @@ trunc:
  * c-basic-offset: 8
  * End:
  */
  * c-basic-offset: 8
  * End:
  */

-
-
-
-