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CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10
[tcpdump] / print-ripng.c
diff --git a/print-ripng.c b/print-ripng.c
index daf7bd3751d7ea0d28279f3f0871c015d4784afe..c6955cb8ef145da036143d3d19db65085b1a43f5 100644 (file)
--- a/print-ripng.c
+++ b/print-ripng.c
@@ -21,11 +21,11 @@
 
 /* \summary: IPv6 Routing Information Protocol (RIPng) printer */
 
 
 /* \summary: IPv6 Routing Information Protocol (RIPng) printer */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* specification: RFC 2080 */
 
 
-#include <netdissect-stdinc.h>
+#include <config.h>
+
+#include "netdissect-stdinc.h"
 
 #include "netdissect.h"
 #include "addrtoname.h"
 
 #include "netdissect.h"
 #include "addrtoname.h"
@@ -65,119 +65,118 @@
 #define        RIP6_RESPONSE   2
 
 struct netinfo6 {
 #define        RIP6_RESPONSE   2
 
 struct netinfo6 {
-       struct in6_addr rip6_dest;
-       uint16_t        rip6_tag;
-       uint8_t         rip6_plen;
-       uint8_t         rip6_metric;
+       nd_ipv6         rip6_dest;
+       nd_uint16_t     rip6_tag;
+       nd_uint8_t      rip6_plen;
+       nd_uint8_t      rip6_metric;
 };
 
 struct rip6 {
 };
 
 struct rip6 {
-       uint8_t         rip6_cmd;
-       uint8_t         rip6_vers;
-       uint8_t         rip6_res1[2];
-       union {
-               struct  netinfo6        ru6_nets[1];
-               char    ru6_tracefile[1];
-       } rip6un;
-#define        rip6_nets       rip6un.ru6_nets
-#define        rip6_tracefile  rip6un.ru6_tracefile
+       nd_uint8_t      rip6_cmd;
+       nd_uint8_t      rip6_vers;
+       nd_byte         rip6_res1[2];
+       struct netinfo6 rip6_nets[1];
 };
 
 #define        HOPCNT_INFINITY6        16
 
 };
 
 #define        HOPCNT_INFINITY6        16
 
-#if !defined(IN6_IS_ADDR_UNSPECIFIED) && !defined(_MSC_VER) /* MSVC inline */
-static int IN6_IS_ADDR_UNSPECIFIED(const struct in6_addr *addr)
+static int ND_IN6_IS_ADDR_UNSPECIFIED(const nd_ipv6 *addr)
 {
 {
-    static const struct in6_addr in6addr_any;        /* :: */
-    return (memcmp(addr, &in6addr_any, sizeof(*addr)) == 0);
+    static const nd_ipv6 in6addr_any_val = { 0 };        /* :: */
+    return (memcmp(addr, &in6addr_any_val, sizeof(*addr)) == 0);
 }
 }
-#endif
 
 
-static int
-rip6_entry_print(netdissect_options *ndo, const struct netinfo6 *ni, int metric)
+static void
+rip6_entry_print(netdissect_options *ndo,
+                 const struct netinfo6 *ni, const u_int print_metric)
 {
 {
-       int l;
-       l = ND_PRINT((ndo, "%s/%d", ip6addr_string(ndo, &ni->rip6_dest), ni->rip6_plen));
-       if (ni->rip6_tag)
-               l += ND_PRINT((ndo, " [%d]", EXTRACT_BE_U_2(&ni->rip6_tag)));
-       if (metric)
-               l += ND_PRINT((ndo, " (%d)", ni->rip6_metric));
-       return l;
+       uint16_t tag;
+       uint8_t metric;
+
+       ND_PRINT("%s/%u", GET_IP6ADDR_STRING(ni->rip6_dest),
+                GET_U_1(ni->rip6_plen));
+       tag = GET_BE_U_2(ni->rip6_tag);
+       if (tag)
+               ND_PRINT(" [%u]", tag);
+       metric = GET_U_1(ni->rip6_metric);
+       if (metric && print_metric)
+               ND_PRINT(" (%u)", metric);
 }
 
 void
 ripng_print(netdissect_options *ndo, const u_char *dat, unsigned int length)
 {
        const struct rip6 *rp = (const struct rip6 *)dat;
 }
 
 void
 ripng_print(netdissect_options *ndo, const u_char *dat, unsigned int length)
 {
        const struct rip6 *rp = (const struct rip6 *)dat;
+       uint8_t cmd, vers;
        const struct netinfo6 *ni;
        unsigned int length_left;
        u_int j;
 
        const struct netinfo6 *ni;
        unsigned int length_left;
        u_int j;
 
-       ND_TCHECK(rp->rip6_cmd);
-       switch (rp->rip6_cmd) {
+       ndo->ndo_protocol = "ripng";
+       vers = GET_U_1(rp->rip6_vers);
+       if (vers != RIP6_VERSION) {
+               nd_print_protocol(ndo);
+               ND_PRINT(" [version %u, must be %u]", vers, RIP6_VERSION);
+               goto invalid;
+       }
+       cmd = GET_U_1(rp->rip6_cmd);
+       switch (cmd) {
 
        case RIP6_REQUEST:
                length_left = length;
                if (length_left < (sizeof(struct rip6) - sizeof(struct netinfo6)))
 
        case RIP6_REQUEST:
                length_left = length;
                if (length_left < (sizeof(struct rip6) - sizeof(struct netinfo6)))
-                       goto trunc;
+                       goto invalid;
                length_left -= (sizeof(struct rip6) - sizeof(struct netinfo6));
                length_left -= (sizeof(struct rip6) - sizeof(struct netinfo6));
-               j = length_left / sizeof(*ni);
+               j = length_left / sizeof(*ni);
                if (j == 1) {
                if (j == 1) {
-                       ND_TCHECK(rp->rip6_nets);
-                       if (rp->rip6_nets->rip6_metric == HOPCNT_INFINITY6
-                           &&  IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
-                               ND_PRINT((ndo, " ripng-req dump"));
+                       if (GET_U_1(rp->rip6_nets->rip6_metric) == HOPCNT_INFINITY6
+                           && ND_IN6_IS_ADDR_UNSPECIFIED(&rp->rip6_nets->rip6_dest)) {
+                               ND_PRINT(" ripng-req dump");
                                break;
                        }
                }
                if (j * sizeof(*ni) != length_left)
                                break;
                        }
                }
                if (j * sizeof(*ni) != length_left)
-                       ND_PRINT((ndo, " ripng-req %u[%u]:", j, length));
+                       ND_PRINT(" ripng-req %u[%u]:", j, length);
                else
                else
-                       ND_PRINT((ndo, " ripng-req %u:", j));
+                       ND_PRINT(" ripng-req %u:", j);
                for (ni = rp->rip6_nets; length_left >= sizeof(*ni);
                    length_left -= sizeof(*ni), ++ni) {
                for (ni = rp->rip6_nets; length_left >= sizeof(*ni);
                    length_left -= sizeof(*ni), ++ni) {
-                       ND_TCHECK(*ni);
                        if (ndo->ndo_vflag > 1)
                        if (ndo->ndo_vflag > 1)
-                               ND_PRINT((ndo, "\n\t"));
+                               ND_PRINT("\n\t");
                        else
                        else
-                               ND_PRINT((ndo, " "));
-                       rip6_entry_print(ndo, ni, 0);
+                               ND_PRINT(" ");
+                       rip6_entry_print(ndo, ni, FALSE);
                }
                if (length_left != 0)
                }
                if (length_left != 0)
-                       goto trunc;
+                       goto invalid;
                break;
        case RIP6_RESPONSE:
                length_left = length;
                if (length_left < (sizeof(struct rip6) - sizeof(struct netinfo6)))
                break;
        case RIP6_RESPONSE:
                length_left = length;
                if (length_left < (sizeof(struct rip6) - sizeof(struct netinfo6)))
-                       goto trunc;
+                       goto invalid;
                length_left -= (sizeof(struct rip6) - sizeof(struct netinfo6));
                j = length_left / sizeof(*ni);
                if (j * sizeof(*ni) != length_left)
                length_left -= (sizeof(struct rip6) - sizeof(struct netinfo6));
                j = length_left / sizeof(*ni);
                if (j * sizeof(*ni) != length_left)
-                       ND_PRINT((ndo, " ripng-resp %d[%u]:", j, length));
+                       ND_PRINT(" ripng-resp %u[%u]:", j, length);
                else
                else
-                       ND_PRINT((ndo, " ripng-resp %d:", j));
+                       ND_PRINT(" ripng-resp %u:", j);
                for (ni = rp->rip6_nets; length_left >= sizeof(*ni);
                    length_left -= sizeof(*ni), ++ni) {
                for (ni = rp->rip6_nets; length_left >= sizeof(*ni);
                    length_left -= sizeof(*ni), ++ni) {
-                       ND_TCHECK(*ni);
                        if (ndo->ndo_vflag > 1)
                        if (ndo->ndo_vflag > 1)
-                               ND_PRINT((ndo, "\n\t"));
+                               ND_PRINT("\n\t");
                        else
                        else
-                               ND_PRINT((ndo, " "));
-                       rip6_entry_print(ndo, ni, ni->rip6_metric);
+                               ND_PRINT(" ");
+                       rip6_entry_print(ndo, ni, TRUE);
                }
                if (length_left != 0)
                }
                if (length_left != 0)
-                       goto trunc;
+                       goto invalid;
                break;
        default:
                break;
        default:
-               ND_PRINT((ndo, " ripng-%d ?? %u", rp->rip6_cmd, length));
-               break;
+               ND_PRINT(" ripng-%u ?? %u", cmd, length);
+               goto invalid;
        }
        }
-       ND_TCHECK(rp->rip6_vers);
-       if (rp->rip6_vers != RIP6_VERSION)
-               ND_PRINT((ndo, " [vers %d]", rp->rip6_vers));
        return;
 
        return;
 
-trunc:
-       ND_PRINT((ndo, "[|ripng]"));
-       return;
+invalid:
+       nd_print_invalid(ndo);
 }
 }
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