CHANGES: Add a change backported to 4.99

[tcpdump] / print-symantec.c

diff --git a/print-symantec.c b/print-symantec.c
index 665dbcc290318a5b7d7e0d5a16127efcbf498489..3cbf221246e9fe90597d510cfe552ec18f3dbe6b 100644 (file)
--- a/print-symantec.c
+++ b/print-symantec.c
@@ -19,48 +19,47 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 

-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* \summary: Symantec Enterprise Firewall printer */

 
 

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

 
 

-#include "interface.h"
+#include "netdissect-stdinc.h"
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"

 #include "extract.h"
 #include "ethertype.h"
 
 #include "extract.h"
 #include "ethertype.h"
 

-#include "ether.h"
-

 struct symantec_header {
 struct symantec_header {

-       uint8_t  stuff1[6];
-       uint16_t ether_type;
-       uint8_t  stuff2[36];
+       nd_byte     stuff1[6];
+       nd_uint16_t ether_type;
+       nd_byte     stuff2[36];

 };
 
 };
 

-static inline void
-symantec_hdr_print(netdissect_options *ndo, register const u_char *bp, u_int length)
+static void
+symantec_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length)

 {
 {

-       register const struct symantec_header *sp;
+       const struct symantec_header *sp;

        uint16_t etype;
 
        sp = (const struct symantec_header *)bp;
 
        uint16_t etype;
 
        sp = (const struct symantec_header *)bp;
 

-       etype = EXTRACT_16BITS(&sp->ether_type);
+       etype = GET_BE_U_2(sp->ether_type);

        if (!ndo->ndo_qflag) {
        if (!ndo->ndo_qflag) {

-               if (etype <= ETHERMTU)
-                         ND_PRINT((ndo, "invalid ethertype %u", etype));
+               if (etype <= MAX_ETHERNET_LENGTH_VAL)
+                         ND_PRINT("invalid ethertype %u", etype);

                 else
                 else

-                         ND_PRINT((ndo, "ethertype %s (0x%04x)",
+                         ND_PRINT("ethertype %s (0x%04x)",

                                       tok2str(ethertype_values,"Unknown", etype),
                                       tok2str(ethertype_values,"Unknown", etype),

-                                       etype));
+                                       etype);

         } else {
         } else {

-                if (etype <= ETHERMTU)
-                          ND_PRINT((ndo, "invalid ethertype %u", etype));
+                if (etype <= MAX_ETHERNET_LENGTH_VAL)
+                          ND_PRINT("invalid ethertype %u", etype);

                 else
                 else

-                          ND_PRINT((ndo, "%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype)));
+                          ND_PRINT("%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype));

         }
 
         }
 

-       ND_PRINT((ndo, ", length %u: ", length));
+       ND_PRINT(", length %u: ", length);

 }
 
 /*
 }
 
 /*


@@ -69,44 +68,41 @@ symantec_hdr_print(netdissect_options *ndo, register const u_char *bp, u_int len
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */

-u_int
+void

 symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
 {
        u_int length = h->len;
        u_int caplen = h->caplen;
 symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
 {
        u_int length = h->len;
        u_int caplen = h->caplen;

-       struct symantec_header *sp;
+       const struct symantec_header *sp;

        u_short ether_type;
 
        u_short ether_type;
 

-       if (caplen < sizeof (struct symantec_header)) {
-               ND_PRINT((ndo, "[|symantec]"));
-               return caplen;
-       }
+       ndo->ndo_protocol = "symantec";
+       ND_TCHECK_LEN(p, sizeof(struct symantec_header));

 
 

+       ndo->ndo_ll_hdr_len += sizeof (struct symantec_header);

        if (ndo->ndo_eflag)
                symantec_hdr_print(ndo, p, length);
 
        length -= sizeof (struct symantec_header);
        caplen -= sizeof (struct symantec_header);
        if (ndo->ndo_eflag)
                symantec_hdr_print(ndo, p, length);
 
        length -= sizeof (struct symantec_header);
        caplen -= sizeof (struct symantec_header);

-       sp = (struct symantec_header *)p;
+       sp = (const struct symantec_header *)p;

        p += sizeof (struct symantec_header);
 
        p += sizeof (struct symantec_header);
 

-       ether_type = EXTRACT_16BITS(&sp->ether_type);
+       ether_type = GET_BE_U_2(sp->ether_type);

 
 

-       if (ether_type <= ETHERMTU) {
+       if (ether_type <= MAX_ETHERNET_LENGTH_VAL) {

                /* ether_type not known, print raw packet */
                if (!ndo->ndo_eflag)
                /* ether_type not known, print raw packet */
                if (!ndo->ndo_eflag)

-                       symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header));
+                       symantec_hdr_print(ndo, (const u_char *)sp, length + sizeof (struct symantec_header));

 
                if (!ndo->ndo_suppress_default_print)
                        ND_DEFAULTPRINT(p, caplen);
 
                if (!ndo->ndo_suppress_default_print)
                        ND_DEFAULTPRINT(p, caplen);

-       } else if (ethertype_print(ndo, ether_type, p, length, caplen) == 0) {
+       } else if (ethertype_print(ndo, ether_type, p, length, caplen, NULL, NULL) == 0) {

                /* ether_type not known, print raw packet */
                if (!ndo->ndo_eflag)
                /* ether_type not known, print raw packet */
                if (!ndo->ndo_eflag)

-                       symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header));
+                       symantec_hdr_print(ndo, (const u_char *)sp, length + sizeof (struct symantec_header));

 
                if (!ndo->ndo_suppress_default_print)
                        ND_DEFAULTPRINT(p, caplen);
        }
 
                if (!ndo->ndo_suppress_default_print)
                        ND_DEFAULTPRINT(p, caplen);
        }

-
-       return (sizeof (struct symantec_header));

 }
 }