static inline ssize_t
tls_pull(gnutls_transport_ptr ptr, void *buf, size_t size)
{
struct gnutella_socket *s = ptr;
ssize_t ret;
int saved_errno;
socket_check(s);
g_assert(is_valid_fd(s->file_desc));
ret = s_read(s->file_desc, buf, size);
saved_errno = errno;
tls_signal_pending(s);
if ((ssize_t) -1 == ret) {
tls_set_errno(s, saved_errno);
if (!is_temporary_error(saved_errno)) {
socket_connection_reset(s);
}
} else if (0 == ret) {
socket_eof(s);
}
tls_transport_debug("tls_pull", s, size, ret);
errno = saved_errno;
return ret;
}
static inline ssize_t
tls_push(gnutls_transport_ptr ptr, const void *buf, size_t size)
{
struct gnutella_socket *s = ptr;
ssize_t ret;
int saved_errno;
socket_check(s);
g_assert(is_valid_fd(s->file_desc));
ret = s_write(s->file_desc, buf, size);
saved_errno = errno;
tls_signal_pending(s);
if ((ssize_t) -1 == ret) {
tls_set_errno(s, saved_errno);
if (ECONNRESET == saved_errno || EPIPE == saved_errno) {
socket_connection_reset(s);
}
}
tls_transport_debug("tls_push", s, size, ret);
errno = saved_errno;
return ret;
}
void
read_incoming_link (struct context *c)
{
/*
* Set up for recvfrom call to read datagram
* sent to our TCP/UDP port.
*/
int status;
/*ASSERT (!c->c2.to_tun.len);*/
perf_push (PERF_READ_IN_LINK);
c->c2.buf = c->c2.buffers->read_link_buf;
ASSERT (buf_init (&c->c2.buf, FRAME_HEADROOM_ADJ (&c->c2.frame, FRAME_HEADROOM_MARKER_READ_LINK)));
status = link_socket_read (c->c2.link_socket,
&c->c2.buf,
MAX_RW_SIZE_LINK (&c->c2.frame),
&c->c2.from);
if (socket_connection_reset (c->c2.link_socket, status))
{
#if PORT_SHARE
if (port_share && socket_foreign_protocol_detected (c->c2.link_socket))
{
const struct buffer *fbuf = socket_foreign_protocol_head (c->c2.link_socket);
const int sd = socket_foreign_protocol_sd (c->c2.link_socket);
port_share_redirect (port_share, fbuf, sd);
register_signal (c, SIGTERM, "port-share-redirect");
}
else
#endif
{
/* received a disconnect from a connection-oriented protocol */
if (c->options.inetd)
{
register_signal (c, SIGTERM, "connection-reset-inetd");
msg (D_STREAM_ERRORS, "Connection reset, inetd/xinetd exit [%d]", status);
}
else
{
#ifdef ENABLE_OCC
if (event_timeout_defined(&c->c2.explicit_exit_notification_interval))
{
msg (D_STREAM_ERRORS, "Connection reset during exit notification period, ignoring [%d]", status);
openvpn_sleep(1);
}
else
#endif
{
register_signal (c, SIGUSR1, "connection-reset"); /* SOFT-SIGUSR1 -- TCP connection reset */
msg (D_STREAM_ERRORS, "Connection reset, restarting [%d]", status);
}
}
}
perf_pop ();
return;
}
/* check recvfrom status */
check_status (status, "read", c->c2.link_socket, NULL);
#ifdef ENABLE_SOCKS
/* Remove socks header if applicable */
socks_postprocess_incoming_link (c);
#endif
perf_pop ();
}
