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 6202a6994a8be287dba8a5b60e28324ba470093d..324d089fc3138836b663bbe185cad7a7752c488e 100644 (file)
--- a/print-ether.c
+++ b/print-ether.c
@@ -21,12 +21,11 @@
 
 /* \summary: Ethernet printer */
 
 
 /* \summary: Ethernet printer */
 

-#ifdef HAVE_CONFIG_H

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

-#endif

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

+#define ND_LONGJMP_FROM_TCHECK

 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"


@@ -36,8 +35,8 @@
  * Structure of an Ethernet header.
  */
 struct ether_header {
  * Structure of an Ethernet header.
  */
 struct ether_header {

-       nd_mac_addr     ether_dhost;
-       nd_mac_addr     ether_shost;
+       nd_mac48        ether_dhost;
+       nd_mac48        ether_shost;

        nd_uint16_t     ether_length_type;
 };
 
        nd_uint16_t     ether_length_type;
 };
 


@@ -57,6 +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"},


@@ -84,7 +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" },


@@ -100,6 +100,8 @@ 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_PTP,            "PTP" },
+    { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },

     { 0, NULL}
 };
 
     { 0, NULL}
 };
 


@@ -108,7 +110,7 @@ ether_addresses_print(netdissect_options *ndo, const u_char *src,
                      const u_char *dst)
 {
        ND_PRINT("%s > %s, ",
                      const u_char *dst)
 {
        ND_PRINT("%s > %s, ",

-                etheraddr_string(ndo, src), etheraddr_string(ndo, dst));
+                GET_MAC48_STRING(src), GET_MAC48_STRING(dst));

 }
 
 static void
 }
 
 static void


@@ -131,7 +133,7 @@ ether_type_print(netdissect_options *ndo, uint16_t type)
  * printing Ethernet header information (such as a LANE ID for ATM LANE).
  */
 static u_int
  * printing Ethernet header information (such as a LANE ID for ATM LANE).
  */
 static u_int

-ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
+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,
     u_int caplen,
     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
     u_int switch_tag_len,


@@ -146,13 +148,14 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
        int llc_hdrlen;
        struct lladdr_info src, dst;
 
        int llc_hdrlen;
        struct lladdr_info src, dst;
 

-       if (caplen < ETHER_HDRLEN + switch_tag_len) {
-               nd_print_trunc(ndo);
-               return (caplen);
+       if (length < caplen) {
+               ND_PRINT("[length %u < caplen %u]", length, caplen);
+               nd_print_invalid(ndo);
+               return length;

        }
        }

-       if (length < ETHER_HDRLEN + switch_tag_len) {
+       if (caplen < ETHER_HDRLEN + switch_tag_len) {

                nd_print_trunc(ndo);
                nd_print_trunc(ndo);

-               return (length);
+               return caplen;

        }
 
        if (print_encap_header != NULL)
        }
 
        if (print_encap_header != NULL)


@@ -166,14 +169,14 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
         */
        ehp = (const struct ether_header *)p;
        src.addr = ehp->ether_shost;
         */
        ehp = (const struct ether_header *)p;
        src.addr = ehp->ether_shost;

-       src.addr_string = etheraddr_string;
+       src.addr_string = mac48_string;

        dst.addr = ehp->ether_dhost;
        dst.addr = ehp->ether_dhost;

-       dst.addr_string = etheraddr_string;
+       dst.addr_string = mac48_string;

 
 

-       length -= 2*MAC_ADDR_LEN;
-       caplen -= 2*MAC_ADDR_LEN;
-       p += 2*MAC_ADDR_LEN;
-       hdrlen = 2*MAC_ADDR_LEN;
+       length -= 2*MAC48_LEN;
+       caplen -= 2*MAC48_LEN;
+       p += 2*MAC48_LEN;
+       hdrlen = 2*MAC48_LEN;

 
        if (ndo->ndo_eflag)
                ether_addresses_print(ndo, src.addr, dst.addr);
 
        if (ndo->ndo_eflag)
                ether_addresses_print(ndo, src.addr, dst.addr);


@@ -193,17 +196,57 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
         * Get the length/type field, skip past it, and print it
         * if we're printing the link-layer header.
         */
         * Get the length/type field, skip past it, and print it
         * if we're printing the link-layer header.
         */

+recurse:

        length_type = GET_BE_U_2(p);
 
        length -= 2;
        length_type = GET_BE_U_2(p);
 
        length -= 2;

-       caplen += 2;
+       caplen -= 2;

        p += 2;
        hdrlen += 2;
 
        /*
        p += 2;
        hdrlen += 2;
 
        /*

-        * Process VLAN tag types.
+        * Process 802.1AE MACsec headers.

         */
        printed_length = 0;
         */
        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);
+                       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;
+               }
+       }
+
+       /*
+        * Process VLAN tag types.
+        */

        while (length_type == ETHERTYPE_8021Q  ||
                length_type == ETHERTYPE_8021Q9100 ||
                length_type == ETHERTYPE_8021Q9200 ||
        while (length_type == ETHERTYPE_8021Q  ||
                length_type == ETHERTYPE_8021Q9100 ||
                length_type == ETHERTYPE_8021Q9200 ||


@@ -216,12 +259,12 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
                if (caplen < 4) {
                        ndo->ndo_protocol = "vlan";
                        nd_print_trunc(ndo);
                if (caplen < 4) {
                        ndo->ndo_protocol = "vlan";
                        nd_print_trunc(ndo);

-                       return (hdrlen + caplen);
+                       return hdrlen + caplen;

                }
                if (length < 4) {
                        ndo->ndo_protocol = "vlan";
                        nd_print_trunc(ndo);
                }
                if (length < 4) {
                        ndo->ndo_protocol = "vlan";
                        nd_print_trunc(ndo);

-                       return (hdrlen + length);
+                       return hdrlen + length;

                }
                if (ndo->ndo_eflag) {
                        uint16_t tag = GET_BE_U_2(p);
                }
                if (ndo->ndo_eflag) {
                        uint16_t tag = GET_BE_U_2(p);


@@ -261,7 +304,10 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
                 * Cut off the snapshot length to the end of the
                 * payload.
                 */
                 * Cut off the snapshot length to the end of the
                 * payload.
                 */

-               nd_push_snapend(ndo, p + length);
+               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 (ndo->ndo_eflag) {
                        ND_PRINT("802.3");


@@ -287,7 +333,7 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
                 * It's a type field, with the type for Alteon jumbo frames.
                 * See
                 *
                 * It's a type field, with the type for Alteon jumbo frames.
                 * 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.


@@ -301,6 +347,34 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
                        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 {
                /*
                 * It's a type field with some other value.
        } else {
                /*
                 * It's a type field with some other value.


@@ -331,11 +405,12 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
                                ND_DEFAULTPRINT(p, caplen);
                }
        }
                                ND_DEFAULTPRINT(p, caplen);
                }
        }

-       return (hdrlen);
+invalid:
+       return hdrlen;

 }
 
 /*
 }
 
 /*

- * Print an Ethernet frame while specyfing a non-standard Ethernet header
+ * 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
  * length.
  * This might be encapsulated within another frame; we might be passed
  * a pointer to a function that can print header information for that


@@ -344,13 +419,13 @@ ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
  */
 u_int
  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
  */
 u_int

-ether_print_switch_tag(netdissect_options *ndo, const u_char *p, u_int length,
+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)
 {
     u_int caplen,
     void (*print_switch_tag)(netdissect_options *, const u_char *),
     u_int switch_tag_len)
 {

-       return (ether_print_common(ndo, p, length, caplen, print_switch_tag,
-                                  switch_tag_len, NULL, NULL));
+       return ether_common_print(ndo, p, length, caplen, print_switch_tag,
+                                 switch_tag_len, NULL, NULL);

 }
 
 /*
 }
 
 /*


@@ -368,8 +443,8 @@ ether_print(netdissect_options *ndo,
            const u_char *encap_header_arg)
 {
        ndo->ndo_protocol = "ether";
            const u_char *encap_header_arg)
 {
        ndo->ndo_protocol = "ether";

-       return (ether_print_common(ndo, p, length, caplen, NULL, 0,
-                                   print_encap_header, encap_header_arg));
+       return ether_common_print(ndo, p, length, caplen, NULL, 0,
+                                 print_encap_header, encap_header_arg);

 }
 
 /*
 }
 
 /*


@@ -378,12 +453,13 @@ ether_print(netdissect_options *ndo,
  * 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,
               const u_char *p)
 {
 ether_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
               const u_char *p)
 {

-       ndo->ndo_protocol = "ether_if";
-       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);

 }
 
 /*
 }
 
 /*


@@ -395,21 +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,
                     const u_char *p)
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header.
         */
 netanalyzer_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
                     const u_char *p)
 {
        /*
         * Fail if we don't have enough data for the Hilscher pseudo-header.
         */

-       ndo->ndo_protocol = "netanalyzer_if";
-       if (h->caplen < 4) {
-               nd_print_trunc(ndo);
-               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);

 }
 
 /*
 }
 
 /*


@@ -422,7 +497,7 @@ 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,
                                 const struct pcap_pkthdr *h,
                                 const u_char *p)
 netanalyzer_transparent_if_print(netdissect_options *ndo,
                                 const struct pcap_pkthdr *h,
                                 const u_char *p)


@@ -431,14 +506,13 @@ netanalyzer_transparent_if_print(netdissect_options *ndo,
         * 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.
         */

-       ndo->ndo_protocol = "netanalyzer_transparent_if";
-       if (h->caplen < 12) {
-               nd_print_trunc(ndo);
-               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);

 }
 
 /*
 }
 
 /*


@@ -494,6 +568,9 @@ ethertype_print(netdissect_options *ndo,
                        nd_print_trunc(ndo);
                        return (1);
                }
                        nd_print_trunc(ndo);
                        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);
 


@@ -505,11 +582,11 @@ 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:
                return (1);
 
        case ETHERTYPE_PPP:


@@ -570,6 +647,10 @@ ethertype_print(netdissect_options *ndo,
                aoe_print(ndo, p, length);
                return (1);
 
                aoe_print(ndo, p, length);
                return (1);
 

+       case ETHERTYPE_PTP:
+               ptp_print(ndo, p, length);
+               return (1);
+

        case ETHERTYPE_LAT:
        case ETHERTYPE_SCA:
        case ETHERTYPE_MOPRC:
        case ETHERTYPE_LAT:
        case ETHERTYPE_SCA:
        case ETHERTYPE_MOPRC: