X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=rdp5.c;fp=rdp5.c;h=1612643de0bf497390679563be8eb812b39e80fe;hp=0ac38076132bbcd5768c83df303537cbba25ccc7;hb=55a546ab6b5970438e6cca1a962ec4e7dd669d11;hpb=d7f4fdca92c39405a79d71d3910ff114e0a692f0

diff --git a/rdp5.c b/rdp5.c
index 0ac3807..1612643 100644
--- a/rdp5.c
+++ b/rdp5.c
@@ -24,6 +24,46 @@
 extern uint8 *g_next_packet;
 extern int listen_on_vnc;
 
+extern uint8 sec_sign_key[16];
+extern int rc4_key_len;
+
+/* Initialise secure transport packet */
+STREAM
+rdp5_init(int maxlen, BOOL encryption)
+{
+	int hdrlen;
+	STREAM s;
+
+	hdrlen = encryption ? 11 : 3;
+	s = tcp_init(maxlen + hdrlen);
+	s_push_layer(s, sec_hdr, hdrlen);
+
+	return s;
+}
+
+void
+rdp5_send(STREAM s, BOOL encryption)
+{
+	int datalen;
+
+	s_pop_layer(s, sec_hdr);
+
+	datalen = s->end - s->p;
+
+	out_uint8(s, encryption ? 0x80 : 0);    // protocol
+	out_uint8(s, 0x80 | (datalen >> 8));
+	out_uint8(s, datalen & 0xff);
+
+	if (encryption) {
+		datalen -= 8;
+
+		sec_sign(s->p, 8, sec_sign_key, rc4_key_len, s->p + 8, datalen);
+		sec_encrypt(s->p + 8, datalen);
+	}
+
+	tcp_send(s);
+}
+
 void
 rdp5_process(STREAM s, BOOL encryption)
 {