Re: [Patch] Host Identity Protocol

[Guy Harris <guy () alum mit edu>]

On Jul 10, 2009, at 2:16 AM, Varjonen Samu wrote:

> diff -N -r -u --strip-trailing-cr tcpdump-orig/configure.in tcpdump/ 
> configure.in
> --- tcpdump-orig/configure.in   2009-05-20 11:29:46.000000000 +0300
> +++ tcpdump/configure.in        2009-05-17 13:13:13.000000000 +0300
> @@ -158,7 +158,7 @@
>   --disable-ipv6          disable ipv6 support],
> [ case "$enableval" in
> yes)   AC_MSG_RESULT(yes)
> -       LOCALSRC="print-ip6.c print-ip6opts.c print-mobility.c print- 
> ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print- 
> dhcp6.c $LOCALSRC"
> +       LOCALSRC="print-ip6.c print-ip6opts.c print-mobility.c print- 
> ripng.c print-icmp6.c print-frag6.c print-rt6.c print-ospf6.c print- 
> dhcp6.c print-hip.c $LOCALSRC"
>        AC_DEFINE(INET6)
>        ipv6=yes
>        ;;
> diff -N -r -u --strip-trailing-cr tcpdump-orig/interface.h tcpdump/ 
> interface.h
> --- tcpdump-orig/interface.h    2009-05-20 11:29:46.000000000 +0300
> +++ tcpdump/interface.h 2009-05-17 13:15:00.000000000 +0300
> @@ -336,6 +336,7 @@
> extern int rt6_print(const u_char *, const u_char *);
> extern void ospf6_print(const u_char *, u_int);
> extern void dhcp6_print(const u_char *, u_int);
> +extern void hip_print(const u_char *, u_int);
> #endif /*INET6*/
> extern u_short in_cksum(const u_short *, register u_int, int);
> extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);

Those seem to imply this is IPv6-only, but:

> diff -N -r -u --strip-trailing-cr tcpdump-orig/print-ip.c tcpdump/ 
> print-ip.c
> --- tcpdump-orig/print-ip.c     2009-05-20 11:29:46.000000000 +0300
> +++ tcpdump/print-ip.c  2009-05-18 20:09:48.000000000 +0300
> @@ -519,6 +519,10 @@
>                 pgm_print(ipds->cp, ipds->len, (const u_char *)ipds->ip);
>                 break;
>
> +        case IPPROTO_HIP:
> +               hip_print(ipds->cp, ipds->len);
> +               break;
> +
>         default:
>                 if ((proto = getprotobynumber(ipds->nh)) != NULL)
>                         ND_PRINT((ndo, " %s", proto->p_name));

that doesn't.  Should this be compiled in if INET6 isn't defined  
(i.e., if this is a version of tcpdump that doesn't support IPv6)?
-
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