diff --git a/src/liboping.c b/src/liboping.c
index a272e2cb92f7051ad964be0f20f67874fefc2b21..40a0ba21b570bab19fea04fc71d8c69231125173 100644 (file)
--- a/src/liboping.c
+++ b/src/liboping.c
/**
* Object oriented C module to send ICMP and ICMPv6 `echo's.
- * Copyright (C) 2006-2010 Florian octo Forster <octo at verplant.org>
+ * Copyright (C) 2006-2011 Florian octo Forster <ff at octo.it>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifdef __APPLE__
+#define __APPLE_USE_RFC_3542
+#endif
+
#if HAVE_CONFIG_H
# include <config.h>
#endif
* reply. The right object will be returned by ping_receive_ipv*(). For
* now, we can only rely on ph->fd and ph->addrfamily. */
- struct timeval diff;
+ struct timeval diff, pkt_now = *now;
pinghost_t *host = NULL;
int recv_ttl;
uint8_t recv_qos;
/* Iterate over all auxiliary data in msghdr */
recv_ttl = -1;
- recv_qos = 0xff;
+ recv_qos = 0;
for (cmsg = CMSG_FIRSTHDR (&msghdr); /* {{{ */
cmsg != NULL;
cmsg = CMSG_NXTHDR (&msghdr, cmsg))
{
- if (ph->addrfamily == AF_INET) /* {{{ */
+ if (cmsg->cmsg_level == SOL_SOCKET)
+ {
+#ifdef SO_TIMESTAMP
+ if (cmsg->cmsg_type == SO_TIMESTAMP)
+ memcpy (&pkt_now, CMSG_DATA (cmsg), sizeof (pkt_now));
+#endif /* SO_TIMESTAMP */
+ }
+ else if (ph->addrfamily == AF_INET) /* {{{ */
{
if (cmsg->cmsg_level != IPPROTO_IP)
continue;
sizeof (recv_qos));
dprintf ("TOSv6 = 0x%02"PRIx8";\n", recv_qos);
} else
+#ifdef IPV6_HOPLIMIT
if (cmsg->cmsg_type == IPV6_HOPLIMIT)
{
memcpy (&recv_ttl, CMSG_DATA (cmsg),
dprintf ("TTLv6 = %i;\n", recv_ttl);
}
else
+#endif
+#ifdef IPV6_UNICAST_HOPS
+ if (cmsg->cmsg_type == IPV6_UNICAST_HOPS)
+ {
+ memcpy (&recv_ttl, CMSG_DATA (cmsg),
+ sizeof (recv_ttl));
+ dprintf ("TTLv6 = %i;\n", recv_ttl);
+ }
+ else
+#endif
+#ifdef IPV6_MULTICAST_HOPS
+ if (cmsg->cmsg_type == IPV6_MULTICAST_HOPS)
+ {
+ memcpy (&recv_ttl, CMSG_DATA (cmsg),
+ sizeof (recv_ttl));
+ dprintf ("TTLv6 = %i;\n", recv_ttl);
+ }
+ else
+#endif
{
dprintf ("Not handling option %i.\n",
cmsg->cmsg_type);
}
dprintf ("rcvd: %12i.%06i\n",
- (int) now->tv_sec,
- (int) now->tv_usec);
+ (int) pkt_now.tv_sec,
+ (int) pkt_now.tv_usec);
dprintf ("sent: %12i.%06i\n",
(int) host->timer->tv_sec,
(int) host->timer->tv_usec);
- if (ping_timeval_sub (now, host->timer, &diff) < 0)
+ if (ping_timeval_sub (&pkt_now, host->timer, &diff) < 0)
{
timerclear (host->timer);
return (-1);
if (recv_ttl >= 0)
host->recv_ttl = recv_ttl;
- if (recv_qos != 0xffff)
- host->recv_qos = recv_qos;
+ host->recv_qos = recv_qos;
host->latency = ((double) diff.tv_usec) / 1000.0;
host->latency += ((double) diff.tv_sec) * 1000.0;
return (0);
}
+/* Blocks until a packet was received from all hosts or the timeout is reached.
+ * When interrupted, (-EINTR) is returned. On error, -1 is returned. On
+ * success, returns zero. */
static int ping_receive_all (pingobj_t *obj)
{
fd_set read_fds;
if ((status == -1) && (errno == EINTR))
{
dprintf ("select was interrupted by signal..\n");
- continue;
+ ping_set_errno (obj, EINTR);
+ return (-EINTR);
}
else if (status < 0)
{
} /* while (1) */
return (ret);
-}
+} /* int ping_receive_all */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Sending functions: *
int ping_send (pingobj_t *obj)
{
- int ret;
-
if (obj == NULL)
return (-1);
if (ping_send_all (obj) < 0)
return (-1);
- if ((ret = ping_receive_all (obj)) < 0)
- return (-2);
-
- return (ret);
+ return (ping_receive_all (obj));
}
static pinghost_t *ping_host_search (pinghost_t *ph, const char *host)
snprintf (errmsg, PING_ERRMSG_LEN, "Unknown `ai_family': %i", ai_ptr->ai_family);
errmsg[PING_ERRMSG_LEN - 1] = '\0';
- dprintf (errmsg);
+ dprintf ("%s", errmsg);
ping_set_error (obj, "getaddrinfo", errmsg);
continue;
}
{
#if WITH_DEBUG
char errbuf[PING_ERRMSG_LEN];
- dprintf ("setsockopt: %s\n",
+ dprintf ("setsockopt (SO_BINDTODEVICE): %s\n",
sstrerror (errno, errbuf, sizeof (errbuf)));
#endif
ping_set_errno (obj, errno);
}
}
#endif /* SO_BINDTODEVICE */
+#ifdef SO_TIMESTAMP
+ if (1) /* {{{ */
+ {
+ int status;
+ int opt = 1;
+ status = setsockopt (ph->fd,
+ SOL_SOCKET, SO_TIMESTAMP,
+ &opt, sizeof (opt));
+ if (status != 0)
+ {
+#if WITH_DEBUG
+ char errbuf[PING_ERRMSG_LEN];
+ dprintf ("setsockopt (SO_TIMESTAMP): %s\n",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif
+ ping_set_errno (obj, errno);
+ close (ph->fd);
+ ph->fd = -1;
+ continue;
+ }
+ } /* }}} if (1) */
+#endif /* SO_TIMESTAMP */
assert (sizeof (struct sockaddr_storage) >= ai_ptr->ai_addrlen);
memset (ph->addr, '\0', sizeof (struct sockaddr_storage));
memcpy (ph->addr, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
{
int opt;
+#ifdef IP_RECVTOS
/* Enable receiving the TOS field */
opt = 1;
setsockopt (ph->fd, IPPROTO_IP, IP_RECVTOS,
&opt, sizeof (opt));
+#endif /* IP_RECVTOS */
/* Enable receiving the TTL field */
opt = 1;