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CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10
[tcpdump] / print-ether.c
diff --git a/print-ether.c b/print-ether.c
index 8d8341bae107b77352c88b3d79f7c655401dbea6..324d089fc3138836b663bbe185cad7a7752c488e 100644 (file)
--- a/print-ether.c
+++ b/print-ether.c
@@ -21,17 +21,31 @@
 
 /* \summary: Ethernet printer */
 
 
 /* \summary: Ethernet printer */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
 #include "ethertype.h"
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
 #include "ethertype.h"
-#include "ether.h"
+
+/*
+ * Structure of an Ethernet header.
+ */
+struct ether_header {
+       nd_mac48        ether_dhost;
+       nd_mac48        ether_shost;
+       nd_uint16_t     ether_length_type;
+};
+
+/*
+ * Length of an Ethernet header; note that some compilers may pad
+ * "struct ether_header" to a multiple of 4 bytes, for example, so
+ * "sizeof (struct ether_header)" may not give the right answer.
+ */
+#define ETHER_HDRLEN           14
 
 const struct tok ethertype_values[] = {
     { ETHERTYPE_IP,            "IPv4" },
 
 const struct tok ethertype_values[] = {
     { ETHERTYPE_IP,            "IPv4" },
@@ -42,6 +56,7 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_8021Q9100,     "802.1Q-9100" },
     { ETHERTYPE_8021QinQ,      "802.1Q-QinQ" },
     { ETHERTYPE_8021Q9200,     "802.1Q-9200" },
     { ETHERTYPE_8021Q9100,     "802.1Q-9100" },
     { ETHERTYPE_8021QinQ,      "802.1Q-QinQ" },
     { ETHERTYPE_8021Q9200,     "802.1Q-9200" },
+    { ETHERTYPE_MACSEC,                "802.1AE MACsec" },
     { ETHERTYPE_VMAN,          "VMAN" },
     { ETHERTYPE_PUP,            "PUP" },
     { ETHERTYPE_ARP,            "ARP"},
     { ETHERTYPE_VMAN,          "VMAN" },
     { ETHERTYPE_PUP,            "PUP" },
     { ETHERTYPE_ARP,            "ARP"},
@@ -69,7 +84,7 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_PPPOED,         "PPPoE D" },
     { ETHERTYPE_PPPOES,         "PPPoE S" },
     { ETHERTYPE_EAPOL,          "EAPOL" },
     { ETHERTYPE_PPPOED,         "PPPoE D" },
     { ETHERTYPE_PPPOES,         "PPPoE S" },
     { ETHERTYPE_EAPOL,          "EAPOL" },
-    { ETHERTYPE_RRCP,           "RRCP" },
+    { ETHERTYPE_REALTEK,        "Realtek protocols" },
     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
     { ETHERTYPE_JUMBO,          "Jumbo" },
     { ETHERTYPE_NSH,            "NSH" },
     { ETHERTYPE_MS_NLB_HB,      "MS NLB heartbeat" },
     { ETHERTYPE_JUMBO,          "Jumbo" },
     { ETHERTYPE_NSH,            "NSH" },
@@ -85,141 +100,240 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_GEONET,         "GeoNet"},
     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
     { ETHERTYPE_AOE,            "AoE" },
     { ETHERTYPE_GEONET,         "GeoNet"},
     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
     { ETHERTYPE_AOE,            "AoE" },
-    { ETHERTYPE_MEDSA,          "MEDSA" },
+    { ETHERTYPE_PTP,            "PTP" },
+    { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
     { 0, NULL}
 };
 
     { 0, NULL}
 };
 
-static inline void
-ether_hdr_print(netdissect_options *ndo,
-                const u_char *bp, u_int length)
+static void
+ether_addresses_print(netdissect_options *ndo, const u_char *src,
+                     const u_char *dst)
 {
 {
-       register const struct ether_header *ep;
-       uint16_t length_type;
-
-       ep = (const struct ether_header *)bp;
-
-       ND_PRINT((ndo, "%s > %s",
-                    etheraddr_string(ndo, ESRC(ep)),
-                    etheraddr_string(ndo, EDST(ep))));
-
-       length_type = EXTRACT_BE_U_2(&ep->ether_length_type);
-       if (!ndo->ndo_qflag) {
-               if (length_type <= ETHERMTU) {
-                       ND_PRINT((ndo, ", 802.3"));
-                       length = length_type;
-               } else
-                       ND_PRINT((ndo, ", ethertype %s (0x%04x)",
-                                      tok2str(ethertype_values,"Unknown", length_type),
-                                       length_type));
-        } else {
-                if (length_type <= ETHERMTU) {
-                        ND_PRINT((ndo, ", 802.3"));
-                       length = length_type;
-               } else
-                        ND_PRINT((ndo, ", %s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", length_type)));
-        }
+       ND_PRINT("%s > %s, ",
+                GET_MAC48_STRING(src), GET_MAC48_STRING(dst));
+}
 
 
-       ND_PRINT((ndo, ", length %u: ", length));
+static void
+ether_type_print(netdissect_options *ndo, uint16_t type)
+{
+       if (!ndo->ndo_qflag)
+               ND_PRINT("ethertype %s (0x%04x)",
+                        tok2str(ethertype_values, "Unknown", type), type);
+       else
+               ND_PRINT("%s",
+                        tok2str(ethertype_values, "Unknown Ethertype (0x%04x)", type));
 }
 
 /*
 }
 
 /*
- * Print an Ethernet frame.
- * This might be encapsulated within another frame; we might be passed
- * a pointer to a function that can print header information for that
- * frame's protocol, and an argument to pass to that function.
+ * Common code for printing Ethernet frames.
  *
  *
- * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
+ * It can handle Ethernet headers with extra tag information inserted
+ * after the destination and source addresses, as is inserted by some
+ * switch chips, and extra encapsulation header information before
+ * printing Ethernet header information (such as a LANE ID for ATM LANE).
  */
  */
-u_int
-ether_print(netdissect_options *ndo,
-            const u_char *p, u_int length, u_int caplen,
-            void (*print_encap_header)(netdissect_options *ndo, const u_char *), const u_char *encap_header_arg)
+static u_int
+ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
+    u_int caplen,
+    void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
+    u_int switch_tag_len,
+    void (*print_encap_header)(netdissect_options *ndo, const u_char *),
+    const u_char *encap_header_arg)
 {
 {
-       const struct ether_header *ep;
+       const struct ether_header *ehp;
        u_int orig_length;
        u_int orig_length;
-       u_short length_type;
        u_int hdrlen;
        u_int hdrlen;
+       u_short length_type;
+       int printed_length;
        int llc_hdrlen;
        struct lladdr_info src, dst;
 
        int llc_hdrlen;
        struct lladdr_info src, dst;
 
-       if (caplen < ETHER_HDRLEN) {
-               ND_PRINT((ndo, "[|ether]"));
-               return (caplen);
+       if (length < caplen) {
+               ND_PRINT("[length %u < caplen %u]", length, caplen);
+               nd_print_invalid(ndo);
+               return length;
        }
        }
-       if (length < ETHER_HDRLEN) {
-               ND_PRINT((ndo, "[|ether]"));
-               return (length);
+       if (caplen < ETHER_HDRLEN + switch_tag_len) {
+               nd_print_trunc(ndo);
+               return caplen;
        }
 
        }
 
-       if (ndo->ndo_eflag) {
-               if (print_encap_header != NULL)
-                       (*print_encap_header)(ndo, encap_header_arg);
-               ether_hdr_print(ndo, p, length);
-       }
+       if (print_encap_header != NULL)
+               (*print_encap_header)(ndo, encap_header_arg);
+
        orig_length = length;
 
        orig_length = length;
 
-       length -= ETHER_HDRLEN;
-       caplen -= ETHER_HDRLEN;
-       ep = (const struct ether_header *)p;
-       p += ETHER_HDRLEN;
-       hdrlen = ETHER_HDRLEN;
+       /*
+        * Get the source and destination addresses, skip past them,
+        * and print them if we're printing the link-layer header.
+        */
+       ehp = (const struct ether_header *)p;
+       src.addr = ehp->ether_shost;
+       src.addr_string = mac48_string;
+       dst.addr = ehp->ether_dhost;
+       dst.addr_string = mac48_string;
+
+       length -= 2*MAC48_LEN;
+       caplen -= 2*MAC48_LEN;
+       p += 2*MAC48_LEN;
+       hdrlen = 2*MAC48_LEN;
 
 
-       src.addr = ESRC(ep);
-       src.addr_string = etheraddr_string;
-       dst.addr = EDST(ep);
-       dst.addr_string = etheraddr_string;
-       length_type = EXTRACT_BE_U_2(&ep->ether_length_type);
+       if (ndo->ndo_eflag)
+               ether_addresses_print(ndo, src.addr, dst.addr);
+
+       /*
+        * Print the switch tag, if we have one, and skip past it.
+        */
+       if (print_switch_tag != NULL)
+               (*print_switch_tag)(ndo, p);
 
 
+       length -= switch_tag_len;
+       caplen -= switch_tag_len;
+       p += switch_tag_len;
+       hdrlen += switch_tag_len;
+
+       /*
+        * Get the length/type field, skip past it, and print it
+        * if we're printing the link-layer header.
+        */
 recurse:
 recurse:
+       length_type = GET_BE_U_2(p);
+
+       length -= 2;
+       caplen -= 2;
+       p += 2;
+       hdrlen += 2;
+
        /*
        /*
-        * Is it (gag) an 802.3 encapsulation?
+        * Process 802.1AE MACsec headers.
         */
         */
-       if (length_type <= ETHERMTU) {
-               /* Try to print the LLC-layer header & higher layers */
-               llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
-               if (llc_hdrlen < 0) {
-                       /* packet type not known, print raw packet */
+       printed_length = 0;
+       if (length_type == ETHERTYPE_MACSEC) {
+               /*
+                * MACsec, aka IEEE 802.1AE-2006
+                * Print the header, and try to print the payload if it's not encrypted
+                */
+               if (ndo->ndo_eflag) {
+                       ether_type_print(ndo, length_type);
+                       ND_PRINT(", length %u: ", orig_length);
+                       printed_length = 1;
+               }
+
+               int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen,
+                                      &src, &dst);
+
+               if (ret == 0) {
+                       /* Payload is encrypted; print it as raw data. */
                        if (!ndo->ndo_suppress_default_print)
                                ND_DEFAULTPRINT(p, caplen);
                        if (!ndo->ndo_suppress_default_print)
                                ND_DEFAULTPRINT(p, caplen);
-                       llc_hdrlen = -llc_hdrlen;
+                       return hdrlen;
+               } else if (ret > 0) {
+                       /* Problem printing the header; just quit. */
+                       return ret;
+               } else {
+                       /*
+                        * Keep processing type/length fields.
+                        */
+                       length_type = GET_BE_U_2(p);
+
+                       ND_ICHECK_U(caplen, <, 2);
+                       length -= 2;
+                       caplen -= 2;
+                       p += 2;
+                       hdrlen += 2;
                }
                }
-               hdrlen += llc_hdrlen;
-       } else if (length_type == ETHERTYPE_8021Q  ||
-                length_type == ETHERTYPE_8021Q9100 ||
-                length_type == ETHERTYPE_8021Q9200 ||
-                length_type == ETHERTYPE_8021QinQ) {
+       }
+
+       /*
+        * Process VLAN tag types.
+        */
+       while (length_type == ETHERTYPE_8021Q  ||
+               length_type == ETHERTYPE_8021Q9100 ||
+               length_type == ETHERTYPE_8021Q9200 ||
+               length_type == ETHERTYPE_8021QinQ) {
                /*
                /*
+                * It has a VLAN tag.
                 * Print VLAN information, and then go back and process
                 * the enclosed type field.
                 */
                if (caplen < 4) {
                 * Print VLAN information, and then go back and process
                 * the enclosed type field.
                 */
                if (caplen < 4) {
-                       ND_PRINT((ndo, "[|vlan]"));
-                       return (hdrlen + caplen);
+                       ndo->ndo_protocol = "vlan";
+                       nd_print_trunc(ndo);
+                       return hdrlen + caplen;
                }
                if (length < 4) {
                }
                if (length < 4) {
-                       ND_PRINT((ndo, "[|vlan]"));
-                       return (hdrlen + length);
+                       ndo->ndo_protocol = "vlan";
+                       nd_print_trunc(ndo);
+                       return hdrlen + length;
                }
                }
-               if (ndo->ndo_eflag) {
-                       uint16_t tag = EXTRACT_BE_U_2(p);
-
-                       ND_PRINT((ndo, "%s, ", ieee8021q_tci_string(tag)));
+               if (ndo->ndo_eflag) {
+                       uint16_t tag = GET_BE_U_2(p);
+
+                       ether_type_print(ndo, length_type);
+                       if (!printed_length) {
+                               ND_PRINT(", length %u: ", orig_length);
+                               printed_length = 1;
+                       } else
+                               ND_PRINT(", ");
+                       ND_PRINT("%s, ", ieee8021q_tci_string(tag));
                }
 
                }
 
-               length_type = EXTRACT_BE_U_2(p + 2);
-               if (ndo->ndo_eflag && length_type > ETHERMTU)
-                       ND_PRINT((ndo, "ethertype %s, ", tok2str(ethertype_values,"0x%04x", length_type)));
+               length_type = GET_BE_U_2(p + 2);
                p += 4;
                length -= 4;
                caplen -= 4;
                hdrlen += 4;
                p += 4;
                length -= 4;
                caplen -= 4;
                hdrlen += 4;
-               goto recurse;
+       }
+
+       /*
+        * We now have the final length/type field.
+        */
+       if (length_type <= MAX_ETHERNET_LENGTH_VAL) {
+               /*
+                * It's a length field, containing the length of the
+                * remaining payload; use it as such, as long as
+                * it's not too large (bigger than the actual payload).
+                */
+               if (length_type < length) {
+                       length = length_type;
+                       if (caplen > length)
+                               caplen = length;
+               }
+
+               /*
+                * Cut off the snapshot length to the end of the
+                * payload.
+                */
+               if (!nd_push_snaplen(ndo, p, length)) {
+                       (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
+                               "%s: can't push snaplen on buffer stack", __func__);
+               }
+
+               if (ndo->ndo_eflag) {
+                       ND_PRINT("802.3");
+                       if (!printed_length)
+                               ND_PRINT(", length %u: ", length);
+               }
+
+               /*
+                * An LLC header follows the length.  Print that and
+                * higher layers.
+                */
+               llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
+               if (llc_hdrlen < 0) {
+                       /* packet type not known, print raw packet */
+                       if (!ndo->ndo_suppress_default_print)
+                               ND_DEFAULTPRINT(p, caplen);
+                       llc_hdrlen = -llc_hdrlen;
+               }
+               hdrlen += llc_hdrlen;
+               nd_pop_packet_info(ndo);
        } else if (length_type == ETHERTYPE_JUMBO) {
                /*
        } else if (length_type == ETHERTYPE_JUMBO) {
                /*
-                * Alteon jumbo frames.
+                * It's a type field, with the type for Alteon jumbo frames.
                 * See
                 *
                 * See
                 *
-                *      http://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
+                *      https://tools.ietf.org/html/draft-ietf-isis-ext-eth-01
                 *
                 * which indicates that, following the type field,
                 * there's an LLC header and payload.
                 *
                 * which indicates that, following the type field,
                 * there's an LLC header and payload.
@@ -233,20 +347,104 @@ recurse:
                        llc_hdrlen = -llc_hdrlen;
                }
                hdrlen += llc_hdrlen;
                        llc_hdrlen = -llc_hdrlen;
                }
                hdrlen += llc_hdrlen;
+       } else if (length_type == ETHERTYPE_ARISTA) {
+               if (caplen < 2) {
+                       ND_PRINT("[|arista]");
+                       return hdrlen + caplen;
+               }
+               if (length < 2) {
+                       ND_PRINT("[|arista]");
+                       return hdrlen + length;
+               }
+               ether_type_print(ndo, length_type);
+               ND_PRINT(", length %u: ", orig_length);
+               int bytesConsumed = arista_ethertype_print(ndo, p, length);
+               if (bytesConsumed > 0) {
+                       p += bytesConsumed;
+                       length -= bytesConsumed;
+                       caplen -= bytesConsumed;
+                       hdrlen += bytesConsumed;
+                       goto recurse;
+               } else {
+                       /* subtype/version not known, print raw packet */
+                       if (!ndo->ndo_eflag && length_type > MAX_ETHERNET_LENGTH_VAL) {
+                               ether_addresses_print(ndo, src.addr, dst.addr);
+                               ether_type_print(ndo, length_type);
+                               ND_PRINT(", length %u: ", orig_length);
+                       }
+                        if (!ndo->ndo_suppress_default_print)
+                                ND_DEFAULTPRINT(p, caplen);
+               }
        } else {
        } else {
+               /*
+                * It's a type field with some other value.
+                */
+               if (ndo->ndo_eflag) {
+                       ether_type_print(ndo, length_type);
+                       if (!printed_length)
+                               ND_PRINT(", length %u: ", orig_length);
+                       else
+                               ND_PRINT(", ");
+               }
                if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
                        /* type not known, print raw packet */
                        if (!ndo->ndo_eflag) {
                if (ethertype_print(ndo, length_type, p, length, caplen, &src, &dst) == 0) {
                        /* type not known, print raw packet */
                        if (!ndo->ndo_eflag) {
-                               if (print_encap_header != NULL)
-                                       (*print_encap_header)(ndo, encap_header_arg);
-                               ether_hdr_print(ndo, (const u_char *)ep, orig_length);
+                               /*
+                                * We didn't print the full link-layer
+                                * header, as -e wasn't specified, so
+                                * print only the source and destination
+                                * MAC addresses and the final Ethernet
+                                * type.
+                                */
+                               ether_addresses_print(ndo, src.addr, dst.addr);
+                               ether_type_print(ndo, length_type);
+                               ND_PRINT(", length %u: ", orig_length);
                        }
 
                        if (!ndo->ndo_suppress_default_print)
                                ND_DEFAULTPRINT(p, caplen);
                }
        }
                        }
 
                        if (!ndo->ndo_suppress_default_print)
                                ND_DEFAULTPRINT(p, caplen);
                }
        }
-       return (hdrlen);
+invalid:
+       return hdrlen;
+}
+
+/*
+ * Print an Ethernet frame while specifying a non-standard Ethernet header
+ * length.
+ * This might be encapsulated within another frame; we might be passed
+ * a pointer to a function that can print header information for that
+ * frame's protocol, and an argument to pass to that function.
+ *
+ * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
+ */
+u_int
+ether_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
+    u_int caplen,
+    void (*print_switch_tag)(netdissect_options *, const u_char *),
+    u_int switch_tag_len)
+{
+       return ether_common_print(ndo, p, length, caplen, print_switch_tag,
+                                 switch_tag_len, NULL, NULL);
+}
+
+/*
+ * Print an Ethernet frame.
+ * This might be encapsulated within another frame; we might be passed
+ * a pointer to a function that can print header information for that
+ * frame's protocol, and an argument to pass to that function.
+ *
+ * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
+ */
+u_int
+ether_print(netdissect_options *ndo,
+           const u_char *p, u_int length, u_int caplen,
+           void (*print_encap_header)(netdissect_options *ndo, const u_char *),
+           const u_char *encap_header_arg)
+{
+       ndo->ndo_protocol = "ether";
+       return ether_common_print(ndo, p, length, caplen, NULL, 0,
+                                 print_encap_header, encap_header_arg);
 }
 
 /*
 }
 
 /*
@@ -255,11 +453,13 @@ recurse:
  * of the packet off the wire, and 'h->caplen' is the number
  * of bytes actually captured.
  */
  * of the packet off the wire, and 'h->caplen' is the number
  * of bytes actually captured.
  */
-u_int
+void
 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
-               const u_char *p)
+              const u_char *p)
 {
 {
-       return (ether_print(ndo, p, h->len, h->caplen, NULL, NULL));
+       ndo->ndo_protocol = "ether";
+       ndo->ndo_ll_hdr_len +=
+               ether_print(ndo, p, h->len, h->caplen, NULL, NULL);
 }
 
 /*
 }
 
 /*
@@ -271,20 +471,20 @@ ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
  * before the Ethernet header.
  */
  * This is for DLT_NETANALYZER, which has a 4-byte pseudo-header
  * before the Ethernet header.
  */
-u_int
+void
 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
-                     const u_char *p)
+                    const u_char *p)
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header.
         */
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header.
         */
-       if (h->len < 4 || h->caplen < 4) {
-               ND_PRINT((ndo, "[|netanalyzer]"));
-               return (h->caplen);
-       }
+       ndo->ndo_protocol = "netanalyzer";
+       ND_TCHECK_4(p);
 
        /* Skip the pseudo-header. */
 
        /* Skip the pseudo-header. */
-       return (4 + ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL));
+       ndo->ndo_ll_hdr_len += 4;
+       ndo->ndo_ll_hdr_len +=
+               ether_print(ndo, p + 4, h->len - 4, h->caplen - 4, NULL, NULL);
 }
 
 /*
 }
 
 /*
@@ -297,22 +497,22 @@ netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
  * before the Ethernet header.
  */
  * pseudo-header, a 7-byte Ethernet preamble, and a 1-byte Ethernet SOF
  * before the Ethernet header.
  */
-u_int
+void
 netanalyzer_transparent_if_print(netdissect_options *ndo,
 netanalyzer_transparent_if_print(netdissect_options *ndo,
-                                 const struct pcap_pkthdr *h,
-                                 const u_char *p)
+                                const struct pcap_pkthdr *h,
+                                const u_char *p)
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header,
         * preamble, and SOF.
         */
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header,
         * preamble, and SOF.
         */
-       if (h->len < 12 || h->caplen < 12) {
-               ND_PRINT((ndo, "[|netanalyzer-transparent]"));
-               return (h->caplen);
-       }
+       ndo->ndo_protocol = "netanalyzer_transparent";
+       ND_TCHECK_LEN(p, 12);
 
        /* Skip the pseudo-header, preamble, and SOF. */
 
        /* Skip the pseudo-header, preamble, and SOF. */
-       return (12 + ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL));
+       ndo->ndo_ll_hdr_len += 12;
+       ndo->ndo_ll_hdr_len +=
+               ether_print(ndo, p + 12, h->len - 12, h->caplen - 12, NULL, NULL);
 }
 
 /*
 }
 
 /*
@@ -324,14 +524,14 @@ netanalyzer_transparent_if_print(netdissect_options *ndo,
 
 int
 ethertype_print(netdissect_options *ndo,
 
 int
 ethertype_print(netdissect_options *ndo,
-                u_short ether_type, const u_char *p,
-                u_int length, u_int caplen,
-                const struct lladdr_info *src, const struct lladdr_info *dst)
+               u_short ether_type, const u_char *p,
+               u_int length, u_int caplen,
+               const struct lladdr_info *src, const struct lladdr_info *dst)
 {
        switch (ether_type) {
 
        case ETHERTYPE_IP:
 {
        switch (ether_type) {
 
        case ETHERTYPE_IP:
-               ip_print(ndo, p, length);
+               ip_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_IPV6:
                return (1);
 
        case ETHERTYPE_IPV6:
@@ -340,7 +540,7 @@ ethertype_print(netdissect_options *ndo,
 
        case ETHERTYPE_ARP:
        case ETHERTYPE_REVARP:
 
        case ETHERTYPE_ARP:
        case ETHERTYPE_REVARP:
-               arp_print(ndo, p, length, caplen);
+               arp_print(ndo, p, length, caplen);
                return (1);
 
        case ETHERTYPE_DN:
                return (1);
 
        case ETHERTYPE_DN:
@@ -349,7 +549,7 @@ ethertype_print(netdissect_options *ndo,
 
        case ETHERTYPE_ATALK:
                if (ndo->ndo_vflag)
 
        case ETHERTYPE_ATALK:
                if (ndo->ndo_vflag)
-                       ND_PRINT((ndo, "et1 "));
+                       ND_PRINT("et1 ");
                atalk_print(ndo, p, length);
                return (1);
 
                atalk_print(ndo, p, length);
                return (1);
 
@@ -358,15 +558,19 @@ ethertype_print(netdissect_options *ndo,
                return (1);
 
        case ETHERTYPE_IPX:
                return (1);
 
        case ETHERTYPE_IPX:
-               ND_PRINT((ndo, "(NOV-ETHII) "));
+               ND_PRINT("(NOV-ETHII) ");
                ipx_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_ISO:
                if (length == 0 || caplen == 0) {
                ipx_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_ISO:
                if (length == 0 || caplen == 0) {
-                       ND_PRINT((ndo, " [|osi]"));
+                       ndo->ndo_protocol = "isoclns";
+                       nd_print_trunc(ndo);
                        return (1);
                }
                        return (1);
                }
+               /* At least one byte is required */
+               /* FIXME: Reference for this byte? */
+               ND_TCHECK_1(p);
                isoclns_print(ndo, p + 1, length - 1);
                return(1);
 
                isoclns_print(ndo, p + 1, length - 1);
                return(1);
 
@@ -378,26 +582,26 @@ ethertype_print(netdissect_options *ndo,
                return (1);
 
        case ETHERTYPE_EAPOL:
                return (1);
 
        case ETHERTYPE_EAPOL:
-               eap_print(ndo, p, length);
+               eapol_print(ndo, p);
                return (1);
 
                return (1);
 
-       case ETHERTYPE_RRCP:
-               rrcp_print(ndo, p, length, src, dst);
+       case ETHERTYPE_REALTEK:
+               rtl_print(ndo, p, length, src, dst);
                return (1);
 
        case ETHERTYPE_PPP:
                if (length) {
                return (1);
 
        case ETHERTYPE_PPP:
                if (length) {
-                       ND_PRINT((ndo, ": "));
+                       ND_PRINT(": ");
                        ppp_print(ndo, p, length);
                }
                return (1);
 
        case ETHERTYPE_MPCP:
                        ppp_print(ndo, p, length);
                }
                return (1);
 
        case ETHERTYPE_MPCP:
-               mpcp_print(ndo, p, length);
+               mpcp_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_SLOW:
                return (1);
 
        case ETHERTYPE_SLOW:
-               slow_print(ndo, p, length);
+               slow_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_CFM:
                return (1);
 
        case ETHERTYPE_CFM:
@@ -409,13 +613,13 @@ ethertype_print(netdissect_options *ndo,
                lldp_print(ndo, p, length);
                return (1);
 
                lldp_print(ndo, p, length);
                return (1);
 
-        case ETHERTYPE_NSH:
-                nsh_print(ndo, p, length);
-                return (1);
+       case ETHERTYPE_NSH:
+               nsh_print(ndo, p, length);
+               return (1);
 
 
-        case ETHERTYPE_LOOPBACK:
+       case ETHERTYPE_LOOPBACK:
                loopback_print(ndo, p, length);
                loopback_print(ndo, p, length);
-                return (1);
+               return (1);
 
        case ETHERTYPE_MPLS:
        case ETHERTYPE_MPLS_MULTI:
 
        case ETHERTYPE_MPLS:
        case ETHERTYPE_MPLS_MULTI:
@@ -430,21 +634,21 @@ ethertype_print(netdissect_options *ndo,
                msnlb_print(ndo, p);
                return (1);
 
                msnlb_print(ndo, p);
                return (1);
 
-        case ETHERTYPE_GEONET_OLD:
-        case ETHERTYPE_GEONET:
-                geonet_print(ndo, p, length, src);
-                return (1);
+       case ETHERTYPE_GEONET_OLD:
+       case ETHERTYPE_GEONET:
+               geonet_print(ndo, p, length, src);
+               return (1);
 
 
-        case ETHERTYPE_CALM_FAST:
-                calm_fast_print(ndo, p, length, src);
-                return (1);
+       case ETHERTYPE_CALM_FAST:
+               calm_fast_print(ndo, p, length, src);
+               return (1);
 
        case ETHERTYPE_AOE:
                aoe_print(ndo, p, length);
                return (1);
 
 
        case ETHERTYPE_AOE:
                aoe_print(ndo, p, length);
                return (1);
 
-       case ETHERTYPE_MEDSA:
-               medsa_print(ndo, p, length, caplen, src, dst);
+       case ETHERTYPE_PTP:
+               ptp_print(ndo, p, length);
                return (1);
 
        case ETHERTYPE_LAT:
                return (1);
 
        case ETHERTYPE_LAT:
@@ -457,12 +661,3 @@ ethertype_print(netdissect_options *ndo,
                return (0);
        }
 }
                return (0);
        }
 }
-
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
-
[mirror] the TCPdump network dissector