aboutsummaryrefslogtreecommitdiff
path: root/usr.sbin/rtsold/probe.c
diff options
context:
space:
mode:
authorKris Kennaway <kris@FreeBSD.org>2000-07-05 10:14:11 +0000
committerKris Kennaway <kris@FreeBSD.org>2000-07-05 10:14:11 +0000
commit259df286b980d422dff9c9e31a0a0810bdf04a42 (patch)
treefc4cb53794c2c6edf7a3a15845cb0fc4c3f266be /usr.sbin/rtsold/probe.c
parent6aec4e0c378b535e384f8ed04022c3c35c0650c4 (diff)
downloadsrc-259df286b980d422dff9c9e31a0a0810bdf04a42.tar.gz
src-259df286b980d422dff9c9e31a0a0810bdf04a42.zip
Sync with latest KAME.
Obtained from: KAME
Notes
Notes: svn path=/head/; revision=62632
Diffstat (limited to 'usr.sbin/rtsold/probe.c')
-rw-r--r--usr.sbin/rtsold/probe.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/usr.sbin/rtsold/probe.c b/usr.sbin/rtsold/probe.c
index 824baebf062a..64eabcf814e0 100644
--- a/usr.sbin/rtsold/probe.c
+++ b/usr.sbin/rtsold/probe.c
@@ -1,7 +1,7 @@
/*
* Copyright (C) 1998 WIDE Project.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -13,7 +13,7 @@
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -36,7 +36,9 @@
#include <sys/uio.h>
#include <net/if.h>
+#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <net/if_var.h>
+#endif /* __FreeBSD__ >= 3 */
#include <netinet/in.h>
#include <netinet6/in6_var.h>
@@ -49,6 +51,7 @@
#include <unistd.h>
#include <string.h>
#include <syslog.h>
+#include <stdlib.h>
#include "rtsold.h"
@@ -57,11 +60,19 @@ static struct iovec sndiov[2];
static int probesock;
static void sendprobe __P((struct in6_addr *addr, int ifindex));
+
int
probe_init()
{
- static u_char sndcmsgbuf[CMSG_SPACE(sizeof(struct in6_pktinfo)) +
- CMSG_SPACE(sizeof(int))];
+ int scmsglen = CMSG_SPACE(sizeof(struct in6_pktinfo)) +
+ CMSG_SPACE(sizeof(int));
+ static u_char *sndcmsgbuf = NULL;
+
+ if (sndcmsgbuf == NULL &&
+ (sndcmsgbuf = (u_char *)malloc(scmsglen)) == NULL) {
+ warnmsg(LOG_ERR, __FUNCTION__, "malloc failed");
+ return(-1);
+ }
if ((probesock = socket(AF_INET6, SOCK_RAW, IPPROTO_NONE)) < 0) {
warnmsg(LOG_ERR, __FUNCTION__, "socket: %s", strerror(errno));
@@ -79,13 +90,13 @@ probe_init()
sndmhdr.msg_iov = sndiov;
sndmhdr.msg_iovlen = 1;
sndmhdr.msg_control = (caddr_t)sndcmsgbuf;
- sndmhdr.msg_controllen = sizeof(sndcmsgbuf);
+ sndmhdr.msg_controllen = scmsglen;
return(0);
}
/*
- * Probe if each router in the default router list is still alive.
+ * Probe if each router in the default router list is still alive.
*/
void
defrouter_probe(int ifindex)