Fix the pointer tests in the non-ndoified TTEST2() macro as well.

[tcpdump] / print-rt6.c

diff --git a/print-rt6.c b/print-rt6.c
index b4e2525d1ac3726d374a95e7bb8546f6d19f6508..dc196b4e766a7e16125bc7111b936b6d879a6d4d 100644 (file)
--- a/print-rt6.c
+++ b/print-rt6.c
@@ -20,8 +20,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.13 2000-09-28 06:43:07 guy Exp $";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-rt6.c,v 1.27 2005-04-20 22:34:57 guy Exp $";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -30,44 +30,31 @@ static const char rcsid[] =
 
 #ifdef INET6
 
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
+#include <tcpdump-stdinc.h>
 
 #include <stdio.h>
 
-#include <netinet/ip6.h>
+#include "ip6.h"
 
 #include "interface.h"
 #include "addrtoname.h"
+#include "extract.h"
 
 int
-rt6_print(register const u_char *bp, register const u_char *bp2)
+rt6_print(register const u_char *bp, const u_char *bp2 _U_)
 {
        register const struct ip6_rthdr *dp;
        register const struct ip6_rthdr0 *dp0;
-       register const struct ip6_hdr *ip;
        register const u_char *ep;
        int i, len;
+       register const struct in6_addr *addr;
 
        dp = (struct ip6_rthdr *)bp;
-       ip = (struct ip6_hdr *)bp2;
        len = dp->ip6r_len;
 
-       /* 'ep' points to the end of avaible data. */
+       /* 'ep' points to the end of available data. */
        ep = snapend;
 
-#if 0
-       printf("%s > %s: ",
-              ip6addr_string(&ip->ip6_src),
-              ip6addr_string(&ip->ip6_dst));
-#endif
-
        TCHECK(dp->ip6r_segleft);
 
        printf("srcrt (len=%d", dp->ip6r_len);  /*)*/
@@ -77,27 +64,30 @@ rt6_print(register const u_char *bp, register const u_char *bp2)
        switch (dp->ip6r_type) {
 #ifndef IPV6_RTHDR_TYPE_0
 #define IPV6_RTHDR_TYPE_0 0
+#endif
+#ifndef IPV6_RTHDR_TYPE_2
+#define IPV6_RTHDR_TYPE_2 2
 #endif
        case IPV6_RTHDR_TYPE_0:
+       case IPV6_RTHDR_TYPE_2:                 /* Mobile IPv6 ID-20 */
                dp0 = (struct ip6_rthdr0 *)dp;
 
                TCHECK(dp0->ip6r0_reserved);
                if (dp0->ip6r0_reserved || vflag) {
                        printf(", rsv=0x%0x",
-                           (u_int32_t)ntohl(dp0->ip6r0_reserved));
+                           EXTRACT_32BITS(&dp0->ip6r0_reserved));
                }
 
                if (len % 2 == 1)
                        goto trunc;
                len >>= 1;
+               addr = &dp0->ip6r0_addr[0];
                for (i = 0; i < len; i++) {
-                       struct in6_addr *addr;
-
-                       addr = ((struct in6_addr *)(dp0 + 1)) + i;
-                       if ((u_char *)addr > ep - sizeof(*addr))
+                       if ((u_char *)(addr + 1) > ep)
                                goto trunc;
 
-                       printf(", [%d]%s", i, ip6addr_string((u_char *)addr));
+                       printf(", [%d]%s", i, ip6addr_string(addr));
+                       addr++;
                }
                /*(*/
                printf(") ");
@@ -110,6 +100,6 @@ rt6_print(register const u_char *bp, register const u_char *bp2)
 
  trunc:
        fputs("[|srcrt]", stdout);
-       return 65535;           /* XXX */
+       return -1;
 }
 #endif /* INET6 */