struct sockaddr *srcaddr;
socklen_t srcaddrlen;
+ char *device;
+
char errmsg[PING_ERRMSG_LEN];
pinghost_t *head;
return (ret);
}
-static pinghost_t *ping_receive_ipv4 (pinghost_t *ph, char *buffer, size_t buffer_len)
+static pinghost_t *ping_receive_ipv4 (pingobj_t *obj, char *buffer,
+ size_t buffer_len)
{
struct ip *ip_hdr;
struct icmp *icmp_hdr;
if (recv_checksum != calc_checksum)
{
- dprintf ("Checksum missmatch: Got 0x%04x, calculated 0x%04x\n",
+ dprintf ("Checksum missmatch: Got 0x%04"PRIx16", "
+ "calculated 0x%04"PRIx16"\n",
recv_checksum, calc_checksum);
return (NULL);
}
ident = ntohs (icmp_hdr->icmp_id);
seq = ntohs (icmp_hdr->icmp_seq);
- for (ptr = ph; ptr != NULL; ptr = ptr->next)
+ /* We have to iterate over all hosts, since ICMPv4 packets may
+ * be received on any raw v4 socket. */
+ for (ptr = obj->head; ptr != NULL; ptr = ptr->next)
{
dprintf ("hostname = %s, ident = 0x%04x, seq = %i\n",
ptr->hostname, ptr->ident, ((ptr->sequence - 1) & 0xFFFF));
if (((ptr->sequence - 1) & 0xFFFF) != seq)
continue;
- dprintf ("Match found: hostname = %s, ident = 0x%04x, seq = %i\n",
+ dprintf ("Match found: hostname = %s, ident = 0x%04"PRIx16", "
+ "seq = %"PRIu16"\n",
ptr->hostname, ident, seq);
break;
if (ptr == NULL)
{
- dprintf ("No match found for ident = 0x%04x, seq = %i\n",
+ dprintf ("No match found for ident = 0x%04"PRIx16", seq = %"PRIu16"\n",
ident, seq);
}
# endif
#endif
-static pinghost_t *ping_receive_ipv6 (pinghost_t *ph, char *buffer, size_t buffer_len)
+static pinghost_t *ping_receive_ipv6 (pingobj_t *obj, char *buffer,
+ size_t buffer_len)
{
struct icmp6_hdr *icmp_hdr;
ident = ntohs (icmp_hdr->icmp6_id);
seq = ntohs (icmp_hdr->icmp6_seq);
- for (ptr = ph; ptr != NULL; ptr = ptr->next)
+ /* We have to iterate over all hosts, since ICMPv6 packets may
+ * be received on any raw v6 socket. */
+ for (ptr = obj->head; ptr != NULL; ptr = ptr->next)
{
dprintf ("hostname = %s, ident = 0x%04x, seq = %i\n",
ptr->hostname, ptr->ident, ((ptr->sequence - 1) & 0xFFFF));
if (((ptr->sequence - 1) & 0xFFFF) != seq)
continue;
- dprintf ("Match found: hostname = %s, ident = 0x%04x, seq = %i\n",
+ dprintf ("Match found: hostname = %s, ident = 0x%04"PRIx16", "
+ "seq = %"PRIu16"\n",
ptr->hostname, ident, seq);
break;
if (ptr == NULL)
{
- dprintf ("No match found for ident = 0x%04x, seq = %i\n",
+ dprintf ("No match found for ident = 0x%04"PRIx16", "
+ "seq = %"PRIu16"\n",
ident, seq);
}
return (ptr);
}
-static int ping_receive_one (int fd, pinghost_t *ph, struct timeval *now)
+static int ping_receive_one (pingobj_t *obj, const pinghost_t *ph,
+ struct timeval *now)
{
+ /* Note: 'ph' is not necessarily the host object for which we receive a
+ * 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;
pinghost_t *host = NULL;
int recv_ttl;
msghdr.msg_flags |= MSG_XPG4_2;
#endif
- payload_buffer_len = recvmsg (fd, &msghdr, /* flags = */ 0);
+ payload_buffer_len = recvmsg (ph->fd, &msghdr, /* flags = */ 0);
if (payload_buffer_len < 0)
{
#if WITH_DEBUG
#endif
return (-1);
}
- dprintf ("Read %zi bytes from fd = %i\n", payload_buffer_len, fd);
+ dprintf ("Read %zi bytes from fd = %i\n", payload_buffer_len, ph->fd);
/* Iterate over all auxiliary data in msghdr */
recv_ttl = -1;
if (ph->addrfamily == AF_INET)
{
- host = ping_receive_ipv4 (ph, payload_buffer, payload_buffer_len);
+ host = ping_receive_ipv4 (obj, payload_buffer, payload_buffer_len);
if (host == NULL)
return (-1);
}
else if (ph->addrfamily == AF_INET6)
{
- host = ping_receive_ipv6 (ph, payload_buffer, payload_buffer_len);
+ host = ping_receive_ipv6 (obj, payload_buffer, payload_buffer_len);
if (host == NULL)
return (-1);
}
for (ptr = ph; ptr != NULL; ptr = ptr->next)
{
if (FD_ISSET (ptr->fd, &readfds))
- if (ping_receive_one (ptr->fd, ph, &nowtime) == 0)
+ if (ping_receive_one (obj, ptr, &nowtime) == 0)
ret++;
}
} /* while (1) */
*/
const char *ping_get_error (pingobj_t *obj)
{
+ if (obj == NULL)
+ return (NULL);
return (obj->errmsg);
}
pinghost_t *current;
pinghost_t *next;
+ if (obj == NULL)
+ return;
+
current = obj->head;
next = NULL;
if (obj->srcaddr != NULL)
free (obj->srcaddr);
+ if (obj->device != NULL)
+ free (obj->device);
+
free (obj);
return;
{
int ret = 0;
+ if ((obj == NULL) || (value == NULL))
+ return (-1);
+
switch (option)
{
case PING_OPT_TIMEOUT:
} /* case PING_OPT_SOURCE */
break;
+ case PING_OPT_DEVICE:
+ {
+#ifdef SO_BINDTODEVICE
+ char *device = strdup ((char *) value);
+
+ if (device == NULL)
+ {
+ ping_set_errno (obj, errno);
+ ret = -1;
+ break;
+ }
+
+ if (obj->device != NULL)
+ free (obj->device);
+ obj->device = device;
+#else /* ! SO_BINDTODEVICE */
+ ping_set_errno (obj, ENOTSUP);
+ ret = -1;
+#endif /* ! SO_BINDTODEVICE */
+ } /* case PING_OPT_DEVICE */
+ break;
+
default:
ret = -2;
} /* switch (option) */
{
int ret;
+ if (obj == NULL)
+ return (-1);
+
if (ping_send_all (obj) < 0)
return (-1);
struct addrinfo *ai_list, *ai_ptr;
int ai_return;
+ if ((obj == NULL) || (host == NULL))
+ return (-1);
+
dprintf ("host = %s\n", host);
if (ping_host_search (obj->head, host) != NULL)
}
}
+#ifdef SO_BINDTODEVICE
+ if (obj->device != NULL)
+ {
+ if (setsockopt (ph->fd, SOL_SOCKET, SO_BINDTODEVICE,
+ obj->device, strlen (obj->device) + 1) != 0)
+ {
+#if WITH_DEBUG
+ char errbuf[PING_ERRMSG_LEN];
+ dprintf ("setsockopt: %s\n",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+#endif
+ ping_set_errno (obj, errno);
+ close (ph->fd);
+ ph->fd = -1;
+ continue;
+ }
+ }
+#endif /* SO_BINDTODEVICE */
+
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);
{
pinghost_t *pre, *cur;
+ if ((obj == NULL) || (host == NULL))
+ return (-1);
+
pre = NULL;
cur = obj->head;
pingobj_iter_t *ping_iterator_get (pingobj_t *obj)
{
+ if (obj == NULL)
+ return (NULL);
return ((pingobj_iter_t *) obj->head);
}
pingobj_iter_t *ping_iterator_next (pingobj_iter_t *iter)
{
+ if (iter == NULL)
+ return (NULL);
return ((pingobj_iter_t *) iter->next);
}
size_t orig_buffer_len = *buffer_len;
+ if ((iter == NULL) || (buffer == NULL) || (buffer_len == NULL))
+ return (-1);
+
switch (info)
{
case PING_INFO_USERNAME:
void *ping_iterator_get_context (pingobj_iter_t *iter)
{
+ if (iter == NULL)
+ return (NULL);
return (iter->context);
}
void ping_iterator_set_context (pingobj_iter_t *iter, void *context)
{
+ if (iter == NULL)
+ return;
iter->context = context;
}
projects / liboping.git / blobdiff