diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2002-05-26 13:24:55 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2002-05-26 13:24:55 +0000 |
| commit | d765d023e5efaee38cb6b64c35a0b974e59da084 (patch) | |
| tree | b5cf6fa2951fc61361102e5b35f1c9014ff93fb6 /usr.sbin/traceroute6 | |
| parent | a559655f9e30ca92710146b3762228c7069266be (diff) | |
use sysctl to get ttl from the kernel; itojun ok
Diffstat (limited to 'usr.sbin/traceroute6')
| -rw-r--r-- | usr.sbin/traceroute6/traceroute6.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/usr.sbin/traceroute6/traceroute6.c b/usr.sbin/traceroute6/traceroute6.c index cb94c5acae8..0c0f00d8fde 100644 --- a/usr.sbin/traceroute6/traceroute6.c +++ b/usr.sbin/traceroute6/traceroute6.c @@ -1,4 +1,4 @@ -/* $OpenBSD: traceroute6.c,v 1.20 2002/05/26 13:15:18 itojun Exp $ */ +/* $OpenBSD: traceroute6.c,v 1.21 2002/05/26 13:24:54 deraadt Exp $ */ /* $KAME: traceroute6.c,v 1.50 2002/05/26 13:12:07 itojun Exp $ */ /* @@ -253,6 +253,7 @@ static char sccsid[] = "@(#)traceroute.c 8.1 (Berkeley) 6/6/93"; #include <sys/uio.h> #include <sys/file.h> #include <sys/ioctl.h> +#include <sys/sysctl.h> #include <netinet/in.h> @@ -361,6 +362,8 @@ main(argc, argv) static u_char *rcvcmsgbuf; char hbuf[NI_MAXHOST], src0[NI_MAXHOST]; char *ep; + int mib[4] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_DEFHLIM }; + size_t size = sizeof(max_hops); /* * Receive ICMP @@ -374,6 +377,9 @@ main(argc, argv) seteuid(getuid()); setuid(getuid()); + (void) sysctl(mib, sizeof(mib)/sizeof(mib[0]), &max_hops, &size, + NULL, 0); + /* set a minimum set of socket options */ on = 1; /* specify to tell receiving interface */ |