int
xfrd_send_udp(acl_options_t* acl, buffer_type* packet, acl_options_t* ifc)
{
#ifdef INET6
struct sockaddr_storage to;
#else
struct sockaddr_in to;
#endif /* INET6 */
int fd, family;
/* this will set the remote port to acl->port or TCP_PORT */
socklen_t to_len = xfrd_acl_sockaddr_to(acl, &to);
/* get the address family of the remote host */
if(acl->is_ipv6) {
#ifdef INET6
family = PF_INET6;
#else
return -1;
#endif /* INET6 */
} else {
family = PF_INET;
}
fd = socket(family, SOCK_DGRAM, IPPROTO_UDP);
if(fd == -1) {
log_msg(LOG_ERR, "xfrd: cannot create udp socket to %s: %s",
acl->ip_address_spec, strerror(errno));
return -1;
}
/* bind it */
if (!xfrd_bind_local_interface(fd, ifc, acl, 0)) {
log_msg(LOG_ERR, "xfrd: cannot bind outgoing interface '%s' to "
"udp socket: No matching ip addresses found",
ifc->ip_address_spec);
return -1;
}
/* send it (udp) */
if(sendto(fd,
buffer_current(packet),
buffer_remaining(packet), 0,
(struct sockaddr*)&to, to_len) == -1)
{
log_msg(LOG_ERR, "xfrd: sendto %s failed %s",
acl->ip_address_spec, strerror(errno));
return -1;
}
return fd;
}
/**
* Send notify over udp.
*
*/
static int
notify_send_udp(notify_type* notify, buffer_type* buffer)
{
struct sockaddr_storage to;
socklen_t to_len = 0;
int fd = -1;
int family = PF_INET;
ssize_t nb = 0;
ods_log_assert(buffer);
ods_log_assert(notify);
ods_log_assert(notify->secondary);
ods_log_assert(notify->secondary->address);
/* this will set the remote port to acl->port or TCP_PORT */
to_len = xfrd_acl_sockaddr_to(notify->secondary, &to);
/* get the address family of the remote host */
if (notify->secondary->family == AF_INET6) {
family = PF_INET6;
}
/* create socket */
fd = socket(family, SOCK_DGRAM, IPPROTO_UDP);
if (fd == -1) {
ods_log_error("[%s] unable to send data over udp to %s: "
"socket() failed (%s)", notify_str, notify->secondary->address,
strerror(errno));
return -1;
}
/* bind it? */
/* send it (udp) */
ods_log_deeebug("[%s] send %d bytes over udp to %s", notify_str,
buffer_remaining(buffer), notify->secondary->address);
nb = sendto(fd, buffer_current(buffer), buffer_remaining(buffer), 0,
(struct sockaddr*)&to, to_len);
if (nb == -1) {
ods_log_error("[%s] unable to send data over udp to %s: "
"sendto() failed (%s)", notify_str, notify->secondary->address,
strerror(errno));
close(fd);
return -1;
}
return fd;
}
