document SIGUSR1 in manual page

[tcpdump] / print-rt6.c

diff --git a/print-rt6.c b/print-rt6.c
index 2205c5eaf3b35b989a8db49282da9a5cf587cdc6..3d5f9e3721a10d6c627309a53293dd9f14506cdb 100644 (file)
--- a/print-rt6.c
+++ b/print-rt6.c
@@ -28,6 +28,8 @@
 
 #include <tcpdump-stdinc.h>
 
+#include <string.h>
+
 #include "ip6.h"
 
 #include "interface.h"
@@ -42,6 +44,7 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
        register const u_char *ep;
        int i, len;
        register const struct in6_addr *addr;
+       const struct in6_addr *last_addr = NULL;
 
        dp = (struct ip6_rthdr *)bp;
        len = dp->ip6r_len;
@@ -81,8 +84,17 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
                                goto trunc;
 
                        ND_PRINT((ndo, ", [%d]%s", i, ip6addr_string(ndo, addr)));
+                       last_addr = addr;
                        addr++;
                }
+               /*
+                * the destination address used in the pseudo-header is that of the final
+                * destination : the last address of the routing header
+                */
+               if (last_addr != NULL) {
+                       struct ip6_hdr *ip6 = (struct ip6_hdr *)bp2;
+                       UNALIGNED_MEMCPY(&ip6->ip6_dst, last_addr, sizeof (struct in6_addr));
+               }
                /*(*/
                ND_PRINT((ndo, ") "));
                return((dp0->ip6r0_len + 1) << 3);