]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-carp.c
Revert partially the commit 21b1273
[tcpdump] / print-carp.c
index b439a2d7a6fb4e92a45a59410162a946e5009354..75f506685f56a0369aff76676af3817709afba61 100644 (file)
 /* \summary: Common Address Redundancy Protocol (CARP) printer */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
 #include "netdissect.h" /* for checksum structure and functions */
 #include "extract.h"
 
 void
-carp_print(netdissect_options *ndo, register const u_char *bp, register u_int len, int ttl)
+carp_print(netdissect_options *ndo, const u_char *bp, u_int len, u_int ttl)
 {
-       int version, type;
+       u_int version, type;
        const char *type_s;
 
-       ND_TCHECK_1(bp);
-       version = (EXTRACT_U_1(bp) & 0xf0) >> 4;
-       type = EXTRACT_U_1(bp) & 0x0f;
+       ndo->ndo_protocol = "carp";
+       version = (GET_U_1(bp) & 0xf0) >> 4;
+       type = GET_U_1(bp) & 0x0f;
        if (type == 1)
                type_s = "advertise";
        else
                type_s = "unknown";
-       ND_PRINT((ndo, "CARPv%d-%s %d: ", version, type_s, len));
+       ND_PRINT("CARPv%u-%s %u: ", version, type_s, len);
        if (ttl != 255)
-               ND_PRINT((ndo, "[ttl=%d!] ", ttl));
+               ND_PRINT("[ttl=%u!] ", ttl);
        if (version != 2 || type != 1)
                return;
-       ND_TCHECK_1(bp + 2);
-       ND_TCHECK_1(bp + 5);
-       ND_PRINT((ndo, "vhid=%d advbase=%d advskew=%d authlen=%d ",
-           EXTRACT_U_1(bp + 1), EXTRACT_U_1(bp + 5), EXTRACT_U_1(bp + 2), EXTRACT_U_1(bp + 3)));
+       ND_PRINT("vhid=%u advbase=%u advskew=%u authlen=%u ",
+           GET_U_1(bp + 1), GET_U_1(bp + 5), GET_U_1(bp + 2),
+           GET_U_1(bp + 3));
        if (ndo->ndo_vflag) {
                struct cksum_vec vec[1];
                vec[0].ptr = (const uint8_t *)bp;
                vec[0].len = len;
-               if (ND_TTEST2(bp[0], len) && in_cksum(vec, 1))
-                       ND_PRINT((ndo, " (bad carp cksum %x!)",
-                               EXTRACT_BE_U_2(bp + 6)));
+               if (ND_TTEST_LEN(bp, len) && in_cksum(vec, 1))
+                       ND_PRINT(" (bad carp cksum %x!)",
+                               GET_BE_U_2(bp + 6));
        }
-       ND_PRINT((ndo, "counter=%" PRIu64, EXTRACT_BE_U_8(bp + 8)));
-
-       return;
-trunc:
-       ND_PRINT((ndo, "[|carp]"));
+       ND_PRINT("counter=%" PRIu64, GET_BE_U_8(bp + 8));
 }