1 files changed, 0 insertions, 345 deletions
diff --git a/uirdesktop/licence.c b/uirdesktop/licence.c
deleted file mode 100755
index 09cb4548..00000000
--- a/uirdesktop/licence.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/* -*- c-basic-offset: 8 -*-
-   rdesktop: A Remote Desktop Protocol client.
-   RDP licensing negotiation
-   Copyright (C) Matthew Chapman 1999-2005
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "rdesktop.h"
-//#include <openssl/rc4.h>
-
-void *
-ssl_rc4_info_create(void);
-void
-ssl_rc4_info_delete(void * rc4_info);
-void
-ssl_rc4_set_key(void * rc4_info, char * key, int len);
-void
-ssl_rc4_crypt(void * rc4_info, char * in_data, char * out_data, int len);
-int
-ssl_mod_exp(char* out, int out_len, char* in, int in_len,
-            char* mod, int mod_len, char* exp, int exp_len);
-
-extern char g_username[64];
-extern char g_hostname[16];
-
-static uint8 g_licence_key[16];
-static uint8 g_licence_sign_key[16];
-
-BOOL g_licence_issued = False;
-
-/* Generate a session key and RC4 keys, given client and server randoms */
-static void
-licence_generate_keys(uint8 * client_random, uint8 * server_random, uint8 * pre_master_secret)
-{
-	uint8 master_secret[48];
-	uint8 key_block[48];
-
-	/* Generate master secret and then key material */
-	sec_hash_48(master_secret, pre_master_secret, client_random, server_random, 'A');
-	sec_hash_48(key_block, master_secret, server_random, client_random, 'A');
-
-	/* Store first 16 bytes of session key as MAC secret */
-	memcpy(g_licence_sign_key, key_block, 16);
-
-	/* Generate RC4 key from next 16 bytes */
-	sec_hash_16(g_licence_key, &key_block[16], client_random, server_random);
-}
-
-static void
-licence_generate_hwid(uint8 * hwid)
-{
-	buf_out_uint32(hwid, 2);
-	strncpy((char *) (hwid + 4), g_hostname, LICENCE_HWID_SIZE - 4);
-}
-
-/* Present an existing licence to the server */
-static void
-licence_present(uint8 * client_random, uint8 * rsa_data,
-		uint8 * licence_data, int licence_size, uint8 * hwid, uint8 * signature)
-{
-	uint32 sec_flags = SEC_LICENCE_NEG;
-	uint16 length =
-		16 + SEC_RANDOM_SIZE + SEC_MODULUS_SIZE + SEC_PADDING_SIZE +
-		licence_size + LICENCE_HWID_SIZE + LICENCE_SIGNATURE_SIZE;
-	STREAM s;
-
-	s = sec_init(sec_flags, length + 4);
-
-	out_uint8(s, LICENCE_TAG_PRESENT);
-	out_uint8(s, 2);	/* version */
-	out_uint16_le(s, length);
-
-	out_uint32_le(s, 1);
-	out_uint16(s, 0);
-	out_uint16_le(s, 0x0201);
-
-	out_uint8p(s, client_random, SEC_RANDOM_SIZE);
-	out_uint16(s, 0);
-	out_uint16_le(s, (SEC_MODULUS_SIZE + SEC_PADDING_SIZE));
-	out_uint8p(s, rsa_data, SEC_MODULUS_SIZE);
-	out_uint8s(s, SEC_PADDING_SIZE);
-
-	out_uint16_le(s, 1);
-	out_uint16_le(s, licence_size);
-	out_uint8p(s, licence_data, licence_size);
-
-	out_uint16_le(s, 1);
-	out_uint16_le(s, LICENCE_HWID_SIZE);
-	out_uint8p(s, hwid, LICENCE_HWID_SIZE);
-
-	out_uint8p(s, signature, LICENCE_SIGNATURE_SIZE);
-
-	s_mark_end(s);
-	sec_send(s, sec_flags);
-}
-
-/* Send a licence request packet */
-static void
-licence_send_request(uint8 * client_random, uint8 * rsa_data, char *user, char *host)
-{
-	uint32 sec_flags = SEC_LICENCE_NEG;
-	uint16 userlen = strlen(user) + 1;
-	uint16 hostlen = strlen(host) + 1;
-	uint16 length = 128 + userlen + hostlen;
-	STREAM s;
-
-	s = sec_init(sec_flags, length + 2);
-
-	out_uint8(s, LICENCE_TAG_REQUEST);
-	out_uint8(s, 2);	/* version */
-	out_uint16_le(s, length);
-
-	out_uint32_le(s, 1);
-	out_uint16(s, 0);
-	out_uint16_le(s, 0xff01);
-
-	out_uint8p(s, client_random, SEC_RANDOM_SIZE);
-	out_uint16(s, 0);
-	out_uint16_le(s, (SEC_MODULUS_SIZE + SEC_PADDING_SIZE));
-	out_uint8p(s, rsa_data, SEC_MODULUS_SIZE);
-	out_uint8s(s, SEC_PADDING_SIZE);
-
-	out_uint16_le(s, LICENCE_TAG_USER);
-	out_uint16_le(s, userlen);
-	out_uint8p(s, user, userlen);
-
-	out_uint16_le(s, LICENCE_TAG_HOST);
-	out_uint16_le(s, hostlen);
-	out_uint8p(s, host, hostlen);
-
-	s_mark_end(s);
-	sec_send(s, sec_flags);
-}
-
-/* Process a licence demand packet */
-static void
-licence_process_demand(STREAM s)
-{
-	uint8 null_data[SEC_MODULUS_SIZE];
-	uint8 *server_random;
-	uint8 signature[LICENCE_SIGNATURE_SIZE];
-	uint8 hwid[LICENCE_HWID_SIZE];
-	uint8 *licence_data;
-	int licence_size;
-	void * crypt_key;
-
-	/* Retrieve the server random from the incoming packet */
-	in_uint8p(s, server_random, SEC_RANDOM_SIZE);
-
-	/* We currently use null client keys. This is a bit naughty but, hey,
-	   the security of licence negotiation isn't exactly paramount. */
-	memset(null_data, 0, sizeof(null_data));
-	licence_generate_keys(null_data, server_random, null_data);
-
-	licence_size = load_licence(&licence_data);
-	if (licence_size > 0)
-	{
-		/* Generate a signature for the HWID buffer */
-		licence_generate_hwid(hwid);
-		sec_sign(signature, 16, g_licence_sign_key, 16, hwid, sizeof(hwid));
-
-		/* Now encrypt the HWID */
-		crypt_key = ssl_rc4_info_create();
-		ssl_rc4_set_key(crypt_key, g_licence_key, 16);
-		ssl_rc4_crypt(crypt_key, hwid, hwid, sizeof(hwid));
-		ssl_rc4_info_delete(crypt_key);
-
-		licence_present(null_data, null_data, licence_data, licence_size, hwid, signature);
-		xfree(licence_data);
-		return;
-	}
-
-	licence_send_request(null_data, null_data, g_username, g_hostname);
-}
-
-/* Send an authentication response packet */
-static void
-licence_send_authresp(uint8 * token, uint8 * crypt_hwid, uint8 * signature)
-{
-	uint32 sec_flags = SEC_LICENCE_NEG;
-	uint16 length = 58;
-	STREAM s;
-
-	s = sec_init(sec_flags, length + 2);
-
-	out_uint8(s, LICENCE_TAG_AUTHRESP);
-	out_uint8(s, 2);	/* version */
-	out_uint16_le(s, length);
-
-	out_uint16_le(s, 1);
-	out_uint16_le(s, LICENCE_TOKEN_SIZE);
-	out_uint8p(s, token, LICENCE_TOKEN_SIZE);
-
-	out_uint16_le(s, 1);
-	out_uint16_le(s, LICENCE_HWID_SIZE);
-	out_uint8p(s, crypt_hwid, LICENCE_HWID_SIZE);
-
-	out_uint8p(s, signature, LICENCE_SIGNATURE_SIZE);
-
-	s_mark_end(s);
-	sec_send(s, sec_flags);
-}
-
-/* Parse an authentication request packet */
-static BOOL
-licence_parse_authreq(STREAM s, uint8 ** token, uint8 ** signature)
-{
-	uint16 tokenlen;
-
-	in_uint8s(s, 6);	/* unknown: f8 3d 15 00 04 f6 */
-
-	in_uint16_le(s, tokenlen);
-	if (tokenlen != LICENCE_TOKEN_SIZE)
-	{
-		error("token len %d\n", tokenlen);
-		return False;
-	}
-
-	in_uint8p(s, *token, tokenlen);
-	in_uint8p(s, *signature, LICENCE_SIGNATURE_SIZE);
-
-	return s_check_end(s);
-}
-
-/* Process an authentication request packet */
-static void
-licence_process_authreq(STREAM s)
-{
-	uint8 *in_token, *in_sig;
-	uint8 out_token[LICENCE_TOKEN_SIZE], decrypt_token[LICENCE_TOKEN_SIZE];
-	uint8 hwid[LICENCE_HWID_SIZE], crypt_hwid[LICENCE_HWID_SIZE];
-	uint8 sealed_buffer[LICENCE_TOKEN_SIZE + LICENCE_HWID_SIZE];
-	uint8 out_sig[LICENCE_SIGNATURE_SIZE];
-	void * crypt_key;
-
-	/* Parse incoming packet and save the encrypted token */
-	licence_parse_authreq(s, &in_token, &in_sig);
-	memcpy(out_token, in_token, LICENCE_TOKEN_SIZE);
-
-	/* Decrypt the token. It should read TEST in Unicode. */
-	crypt_key = ssl_rc4_info_create();
-	ssl_rc4_set_key(crypt_key, g_licence_key, 16);
-	ssl_rc4_crypt(crypt_key, in_token, decrypt_token, LICENCE_TOKEN_SIZE);
-	ssl_rc4_info_delete(crypt_key);
-	
-	/* Generate a signature for a buffer of token and HWID */
-	licence_generate_hwid(hwid);
-	memcpy(sealed_buffer, decrypt_token, LICENCE_TOKEN_SIZE);
-	memcpy(sealed_buffer + LICENCE_TOKEN_SIZE, hwid, LICENCE_HWID_SIZE);
-	sec_sign(out_sig, 16, g_licence_sign_key, 16, sealed_buffer, sizeof(sealed_buffer));
-
-	/* Now encrypt the HWID */
-	crypt_key = ssl_rc4_info_create();
-	ssl_rc4_set_key(crypt_key, g_licence_key, 16);
-	ssl_rc4_crypt(crypt_key, hwid, crypt_hwid, LICENCE_HWID_SIZE);
-	ssl_rc4_info_delete(crypt_key);
-
-	licence_send_authresp(out_token, crypt_hwid, out_sig);
-}
-
-/* Process an licence issue packet */
-static void
-licence_process_issue(STREAM s)
-{
-	void * crypt_key;
-	uint32 length;
-	uint16 check;
-	int i;
-
-	in_uint8s(s, 2);	/* 3d 45 - unknown */
-	in_uint16_le(s, length);
-	if (!s_check_rem(s, length))
-		return;
-
-	crypt_key = ssl_rc4_info_create();
-	ssl_rc4_set_key(crypt_key, g_licence_key, 16);
-	ssl_rc4_crypt(crypt_key, s->p, s->p, length);
-	ssl_rc4_info_delete(crypt_key);
-
-	in_uint16(s, check);
-	if (check != 0)
-		return;
-
-	g_licence_issued = True;
-
-	in_uint8s(s, 2);	/* pad */
-
-	/* advance to fourth string */
-	length = 0;
-	for (i = 0; i < 4; i++)
-	{
-		in_uint8s(s, length);
-		in_uint32_le(s, length);
-		if (!s_check_rem(s, length))
-			return;
-	}
-
-	g_licence_issued = True;
-	save_licence(s->p, length);
-}
-
-/* Process a licence packet */
-void
-licence_process(STREAM s)
-{
-	uint8 tag;
-
-	in_uint8(s, tag);
-	in_uint8s(s, 3);	/* version, length */
-
-	switch (tag)
-	{
-		case LICENCE_TAG_DEMAND:
-			licence_process_demand(s);
-			break;
-
-		case LICENCE_TAG_AUTHREQ:
-			licence_process_authreq(s);
-			break;
-
-		case LICENCE_TAG_ISSUE:
-			licence_process_issue(s);
-			break;
-
-		case LICENCE_TAG_REISSUE:
-		case LICENCE_TAG_RESULT:
-			break;
-
-		default:
-			unimpl("licence tag 0x%x\n", tag);
-	}
-}