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-rw-r--r--libxrdp/xrdp_tls.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/libxrdp/xrdp_tls.c b/libxrdp/xrdp_tls.c
index d893ca3c..1f6e847e 100644
--- a/libxrdp/xrdp_tls.c
+++ b/libxrdp/xrdp_tls.c
@@ -237,3 +237,182 @@ xrdp_tls_write(struct xrdp_tls *tls, unsigned char *data, int length)
return status;
}
/*****************************************************************************/
+int APP_CC
+xrdp_tls_force_read_s(struct trans *self, struct stream *in_s, int size)
+{
+ int rcvd;
+
+ if (self->status != TRANS_STATUS_UP)
+ {
+ return 1;
+ }
+
+ while (size > 0)
+ {
+ /* make sure stream has room */
+ if ((in_s->end + size) > (in_s->data + in_s->size))
+ {
+ return 1;
+ }
+
+ g_writeln("xrdp_tls_force_read_s: Pending= %d", SSL_pending(self->tls->ssl));
+ rcvd = xrdp_tls_read(self->tls, in_s->end, size);
+
+ if (rcvd == -1)
+ {
+ if (g_tcp_last_error_would_block(self->sck))
+ {
+ if (!g_tcp_can_recv(self->sck, 100))
+ {
+ /* check for term here */
+ if (self->is_term != 0)
+ {
+ if (self->is_term())
+ {
+ /* term */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ }
+ }
+ }
+ else
+ {
+ /* error */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ }
+ else if (rcvd == 0)
+ {
+ /* error */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ else
+ {
+ in_s->end += rcvd;
+ size -= rcvd;
+ }
+ }
+
+ return 0;
+}
+
+/*****************************************************************************/
+int APP_CC
+xrdp_tls_force_write_s(struct trans *self, struct stream *out_s)
+{
+ int size;
+ int total;
+ int sent;
+
+ if (self->status != TRANS_STATUS_UP)
+ {
+ return 1;
+ }
+
+ size = (int)(out_s->end - out_s->data);
+ g_writeln("packet size= %d", size);
+ total = 0;
+
+ if (send_waiting(self, 1) != 0)
+ {
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+
+ while (total < size)
+ {
+ sent = xrdp_tls_write(self->tls, out_s->data + total, size - total);
+
+ if (sent == -1)
+ {
+ if (g_tcp_last_error_would_block(self->sck))
+ {
+ if (!g_tcp_can_send(self->sck, 100))
+ {
+ /* check for term here */
+ if (self->is_term != 0)
+ {
+ if (self->is_term())
+ {
+ /* term */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ }
+ }
+ }
+ else
+ {
+ /* error */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ }
+ else if (sent == 0)
+ {
+ /* error */
+ self->status = TRANS_STATUS_DOWN;
+ return 1;
+ }
+ else
+ {
+ total = total + sent;
+ }
+ }
+
+ return 0;
+}
+/*****************************************************************************/
+int APP_CC
+send_waiting(struct trans *self, int block)
+{
+ struct stream *temp_s;
+ int bytes;
+ int sent;
+ int timeout;
+ int cont;
+
+ timeout = block ? 100 : 0;
+ cont = 1;
+ while (cont)
+ {
+ if (self->wait_s != 0)
+ {
+ temp_s = self->wait_s;
+ if (g_tcp_can_send(self->sck, timeout))
+ {
+ bytes = (int) (temp_s->end - temp_s->p);
+ sent = xrdp_tls_write(self->tls, temp_s->p, bytes);
+ if (sent > 0)
+ {
+ temp_s->p += sent;
+ if (temp_s->p >= temp_s->end)
+ {
+ self->wait_s = (struct stream *) (temp_s->next_packet);
+ free_stream(temp_s);
+ }
+ }
+ else if (sent == 0)
+ {
+ return 1;
+ }
+ else
+ {
+ if (!g_tcp_last_error_would_block(self->sck))
+ {
+ return 1;
+ }
+ }
+ }
+ }
+ else
+ {
+ break;
+ }
+ cont = block;
+ }
+ return 0;
+}