X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=licence.c;h=28c035becf4f07cc94340f65a65f108fe9153f0b;hp=f862ecdcf91d158de0abc8c09094c1217d1bd252;hb=99f2e8c32508ab193c1d42221c86cb7fca4be9ab;hpb=920e067527820318c59dd5152a0d26c632552a0e

diff --git a/licence.c b/licence.c
index f862ecd..28c035b 100644
--- a/licence.c
+++ b/licence.c
@@ -62,3 +62,44 @@ licence_generate_keys(uint8 * client_key, uint8 * server_key, uint8 * client_rsa
 	}
 }
 
+// "TEST" in UTF-16
+unsigned char license_token[] = {
+	0x54, 0x00, 0x45, 0x00, 0x53, 0x00, 0x54, 0x00, 0x00, 0x00
+};
+
+void
+send_authreq()
+{
+	RC4_KEY crypt_key;
+	uint8 in_token[LICENCE_TOKEN_SIZE], encrypt_token[LICENCE_TOKEN_SIZE];
+	uint8 signature[LICENCE_SIGNATURE_SIZE];
+
+	STREAM s = sec_init(38, SEC_LICENCE_NEG);
+	
+	out_uint8(s, LICENCE_TAG_AUTHREQ);
+	out_uint8(s, 3);  // version
+	out_uint16_le(s, 38); // length
+
+	// unknown
+	out_uint16_le(s, 0xffff);
+	out_uint16_le(s, 0xffff);
+	out_uint16_le(s, 0x0000);
+
+	out_uint16_le(s, LICENCE_TOKEN_SIZE);
+	memcpy(in_token, license_token, LICENCE_TOKEN_SIZE);
+
+	// encrypt the token
+	RC4_set_key(&crypt_key, 16, g_licence_key);
+	RC4(&crypt_key, LICENCE_TOKEN_SIZE, in_token, encrypt_token);
+
+	out_uint8p(s, encrypt_token, LICENCE_TOKEN_SIZE);
+
+	// what are we supposed to sign here, really? guess at the
+	// token, nothing else has been sent...
+	sec_sign(signature, 16, g_licence_sign_key, 16, encrypt_token, LICENCE_TOKEN_SIZE);
+	out_uint8p(s, signature, LICENCE_SIGNATURE_SIZE);
+
+	s_mark_end(s);
+	sec_send(s, SEC_LICENCE_NEG);
+}
+