On Solaris, for 64-bit builds, use the 64-bit pcap-config.

[tcpdump] / print-frag6.c

diff --git a/print-frag6.c b/print-frag6.c
index 4350951045de3bc2061df4e18c0dbb725dae0fcf..16e8a4b21926b993f7e1c811dd2ff477695dae87 100644 (file)
--- a/print-frag6.c
+++ b/print-frag6.c
@@ -19,68 +19,48 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+/* \summary: IPv6 fragmentation header printer */
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
-#ifdef INET6
+#include "netdissect-stdinc.h"
 
-#include <tcpdump-stdinc.h>
-
-#include <stdio.h>
+#include "netdissect.h"
+#include "extract.h"
 
 #include "ip6.h"
 
-#include "interface.h"
-#include "addrtoname.h"
-#include "extract.h"
-
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-frag6.c,v 1.17 2003-11-15 00:39:23 guy Exp $";
-#endif
 int
-frag6_print(register const u_char *bp, register const u_char *bp2)
+frag6_print(netdissect_options *ndo, const u_char *bp, const u_char *bp2)
 {
-       register const struct ip6_frag *dp;
-       register const struct ip6_hdr *ip6;
-       register const u_char *ep;
+       const struct ip6_frag *dp;
+       const struct ip6_hdr *ip6;
 
+       ndo->ndo_protocol = "frag6";
        dp = (const struct ip6_frag *)bp;
        ip6 = (const struct ip6_hdr *)bp2;
 
-       /* 'ep' points to the end of available data. */
-       ep = snapend;
-
-       TCHECK(dp->ip6f_offlg);
-
-       if (vflag) {
-               printf("frag (0x%08x:%d|%ld)",
-                      EXTRACT_32BITS(&dp->ip6f_ident),
-                      EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
-                      sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
-                              (long)(bp - bp2) - sizeof(struct ip6_frag));
+       if (ndo->ndo_vflag) {
+               ND_PRINT("frag (0x%08x:%u|%zu)",
+                        GET_BE_U_4(dp->ip6f_ident),
+                        GET_BE_U_2(dp->ip6f_offlg) & IP6F_OFF_MASK,
+                        sizeof(struct ip6_hdr) + GET_BE_U_2(ip6->ip6_plen) -
+                               (bp - bp2) - sizeof(struct ip6_frag));
        } else {
-               printf("frag (%d|%ld)",
-                      EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
-                      sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
-                              (long)(bp - bp2) - sizeof(struct ip6_frag));
+               ND_PRINT("frag (%u|%zu)",
+                        GET_BE_U_2(dp->ip6f_offlg) & IP6F_OFF_MASK,
+                        sizeof(struct ip6_hdr) + GET_BE_U_2(ip6->ip6_plen) -
+                                (bp - bp2) - sizeof(struct ip6_frag));
        }
 
-#if 1
        /* it is meaningless to decode non-first fragment */
-       if ((EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK) != 0)
-               return 65535;
+       if ((GET_BE_U_2(dp->ip6f_offlg) & IP6F_OFF_MASK) != 0)
+               return -1;
        else
-#endif
        {
-               fputs(" ", stdout);
+               ND_PRINT(" ");
                return sizeof(struct ip6_frag);
        }
-trunc:
-       fputs("[|frag]", stdout);
-       return 65535;
-#undef TCHECK
 }
-#endif /* INET6 */