LogDriver *
afinet_dd_new(gint af, gchar *host, gint port, guint flags)
{
AFInetDestDriver *self = g_new0(AFInetDestDriver, 1);
afsocket_dd_init_instance(&self->super, &self->sock_options.super, flags, g_strdup(host), g_strdup_printf("%s:%d", host, port));
if (self->super.flags & AFSOCKET_DGRAM)
self->super.transport = g_strdup("udp");
else if (self->super.flags & AFSOCKET_STREAM)
self->super.transport = g_strdup("tcp");
self->super.super.super.init = afinet_dd_init;
self->super.super.super.queue = afinet_dd_queue;
self->super.super.super.free_fn = afinet_dd_free;
if (af == AF_INET)
{
self->super.bind_addr = g_sockaddr_inet_new("0.0.0.0", 0);
self->super.dest_addr = g_sockaddr_inet_new("0.0.0.0", port);
}
else
{
#if ENABLE_IPV6
self->super.bind_addr = g_sockaddr_inet6_new("::", 0);
self->super.dest_addr = g_sockaddr_inet6_new("::", port);
#else
g_assert_not_reached();
#endif
}
self->super.setup_socket = afinet_dd_setup_socket;
return &self->super.super;
}
static gboolean
afinet_dd_setup_addresses(AFSocketDestDriver *s)
{
AFInetDestDriver *self = (AFInetDestDriver *) s;
if (!afsocket_dd_setup_addresses_method(s))
return FALSE;
g_sockaddr_unref(self->super.bind_addr);
g_sockaddr_unref(self->super.dest_addr);
if (self->super.transport_mapper->address_family == AF_INET)
{
self->super.bind_addr = g_sockaddr_inet_new("0.0.0.0", 0);
self->super.dest_addr = g_sockaddr_inet_new("0.0.0.0", 0);
}
#if ENABLE_IPV6
else if (self->super.transport_mapper->address_family == AF_INET6)
{
self->super.bind_addr = g_sockaddr_inet6_new("::", 0);
self->super.dest_addr = g_sockaddr_inet6_new("::", 0);
}
#endif
else
{
/* address family not known */
g_assert_not_reached();
}
if ((self->bind_ip && !resolve_hostname(&self->super.bind_addr, self->bind_ip)))
return FALSE;
if (!resolve_hostname(&self->super.dest_addr, self->hostname))
return FALSE;
if (!self->dest_port)
{
const gchar *port_change_warning = transport_mapper_inet_get_port_change_warning(self->super.transport_mapper);
if (port_change_warning)
{
msg_warning(port_change_warning,
evt_tag_str("id", self->super.super.super.id),
NULL);
}
g_sockaddr_set_port(self->super.dest_addr, transport_mapper_inet_get_server_port(self->super.transport_mapper));
}
else
g_sockaddr_set_port(self->super.dest_addr, afinet_lookup_service(self->super.transport_mapper, self->dest_port));
return TRUE;
}
LogDriver *
afinet_sd_new(gint af, gchar *host, gint port, guint flags)
{
AFInetSourceDriver *self = g_new0(AFInetSourceDriver, 1);
afsocket_sd_init_instance(&self->super, &self->sock_options.super, flags);
self->super.flags |= AFSOCKET_KEEP_ALIVE;
if (af == AF_INET)
{
self->super.bind_addr = g_sockaddr_inet_new("0.0.0.0", port);
if (!host)
host = "0.0.0.0";
}
else
{
#if ENABLE_IPV6
self->super.bind_addr = g_sockaddr_inet6_new("::", port);
if (!host)
host = "::";
#else
g_assert_not_reached();
#endif
}
afinet_resolve_name(self->super.bind_addr, host);
self->super.setup_socket = afinet_sd_setup_socket;
return &self->super.super;
}
static gboolean
afinet_dd_apply_transport(AFSocketDestDriver *s)
{
AFInetDestDriver *self = (AFInetDestDriver *) s;
GlobalConfig *cfg = log_pipe_get_config(&s->super.super.super);
gchar *default_dest_port = NULL;
struct protoent *ipproto_ent;
g_sockaddr_unref(self->super.bind_addr);
g_sockaddr_unref(self->super.dest_addr);
if (self->super.address_family == AF_INET)
{
self->super.bind_addr = g_sockaddr_inet_new("0.0.0.0", 0);
self->super.dest_addr = g_sockaddr_inet_new("0.0.0.0", 0);
}
#if ENABLE_IPV6
else if (self->super.address_family == AF_INET6)
{
self->super.bind_addr = g_sockaddr_inet6_new("::", 0);
self->super.dest_addr = g_sockaddr_inet6_new("::", 0);
}
#endif
else
{
/* address family not known */
g_assert_not_reached();
}
if (self->super.transport == NULL)
{
if (self->super.sock_type == SOCK_STREAM)
afsocket_dd_set_transport(&self->super.super.super, "tcp");
else
afsocket_dd_set_transport(&self->super.super.super, "udp");
}
if (strcasecmp(self->super.transport, "udp") == 0)
{
static gboolean msg_udp_source_port_warning = FALSE;
if (!self->dest_port)
{
/* NOTE: this version number change has happened in a different
* major version in OSE vs. PE, thus the update behaviour must
* be triggered differently. In OSE it needs to be triggered
* when the config version has changed to 3.3, in PE when 3.2.
*
* This is unfortunate, the only luck we have to be less
* confusing is that syslog() driver was seldom used.
*
*/
if (self->super.syslog_protocol && cfg_is_config_version_older(cfg, 0x0303))
{
if (!msg_udp_source_port_warning)
{
msg_warning("WARNING: Default port for syslog(transport(udp)) has changed from 601 to 514 in syslog-ng 3.3, please update your configuration",
evt_tag_str("id", self->super.super.super.id),
NULL);
msg_udp_source_port_warning = TRUE;
}
default_dest_port = "601";
}
else
default_dest_port = "514";
}
self->super.sock_type = SOCK_DGRAM;
self->super.sock_protocol = 0;
self->super.logproto_name = "dgram";
}
else if (strcasecmp(self->super.transport, "tcp") == 0)
{
if (self->super.syslog_protocol)
{
self->super.logproto_name = "framed";
default_dest_port = "601";
}
else
{
self->super.logproto_name = "text";
default_dest_port = "514";
}
self->super.sock_type = SOCK_STREAM;
self->super.sock_protocol = 0;
}
else if (strcasecmp(self->super.transport, "tls") == 0)
{
static gboolean msg_tls_source_port_warning = FALSE;
g_assert(self->super.syslog_protocol);
if (!self->dest_port)
{
/* NOTE: this version number change has happened in a different
* major version in OSE vs. PE, thus the update behaviour must
* be triggered differently. In OSE it needs to be triggered
* when the config version has changed to 3.3, in PE when 3.2.
*
* This is unfortunate, the only luck we have to be less
* confusing is that syslog() driver was seldom used.
*
*/
if (cfg_is_config_version_older(cfg, 0x0303))
{
if (!msg_tls_source_port_warning)
{
msg_warning("WARNING: Default port for syslog(transport(tls)) is modified from 601 to 6514",
evt_tag_str("id", self->super.super.super.id),
NULL);
msg_tls_source_port_warning = TRUE;
}
default_dest_port = "601";
}
else
default_dest_port = "6514";
}
self->super.require_tls = TRUE;
self->super.sock_type = SOCK_STREAM;
self->super.logproto_name = "framed";
}
else
{
self->super.sock_type = SOCK_STREAM;
self->super.logproto_name = self->super.transport;
}
if ((self->bind_ip && !resolve_hostname(&self->super.bind_addr, self->bind_ip)))
return FALSE;
if (!self->super.sock_protocol)
{
if (self->super.sock_type == SOCK_STREAM)
self->super.sock_protocol = IPPROTO_TCP;
else
self->super.sock_protocol = IPPROTO_UDP;
}
ipproto_ent = getprotobynumber(self->super.sock_protocol);
afinet_set_port(self->super.dest_addr, self->dest_port ? : default_dest_port,
ipproto_ent ? ipproto_ent->p_name
: (self->super.sock_type == SOCK_STREAM) ? "tcp" : "udp");
if (!self->super.dest_name)
self->super.dest_name = g_strdup_printf("%s:%d", self->super.hostname,
g_sockaddr_inet_check(self->super.dest_addr) ? g_sockaddr_inet_get_port(self->super.dest_addr)
#if ENABLE_IPV6
: g_sockaddr_inet6_get_port(self->super.dest_addr)
#else
: 0
#endif
);
#if BUILD_WITH_SSL
if (self->super.require_tls && !self->super.tls_context)
{
msg_error("transport(tls) was specified, but tls() options missing",
evt_tag_str("id", self->super.super.super.id),
NULL);
return FALSE;
}
#endif
return TRUE;
}
static void
assert_ip6_to_fqdn_hostname(const gchar *ip, const gchar *expected)
{
host_resolve_options.use_fqdn = TRUE;
assert_sockaddr_to_hostname(g_sockaddr_inet6_new(ip, 0), expected);
}
