o moved from GNU General Public License to Apache License, Version 2.0

o applied new coding standards to all .c files
o moved some files around

1 files changed, 294 insertions, 283 deletions

diff --git a/rdp/rdp_lic.c b/rdp/rdp_lic.c
index a729a7bc..ce9a0624 100644
--- a/rdp/rdp_lic.c
+++ b/rdp/rdp_lic.c
@@ -1,358 +1,369 @@
-/*
-   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.
-
-   xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2005-2010
-
-   licence
-
-*/
+/**
+ * xrdp: A Remote Desktop Protocol server.
+ *
+ * Copyright (C) Jay Sorg 2004-2012
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * licence
+ */
 
 #include "rdp.h"
 
 /*****************************************************************************/
-struct rdp_lic* APP_CC
-rdp_lic_create(struct rdp_sec* owner)
+struct rdp_lic *APP_CC
+rdp_lic_create(struct rdp_sec *owner)
 {
-  struct rdp_lic* self;
+    struct rdp_lic *self;
 
-  self = (struct rdp_lic*)g_malloc(sizeof(struct rdp_lic), 1);
-  self->sec_layer = owner;
-  return self;
+    self = (struct rdp_lic *)g_malloc(sizeof(struct rdp_lic), 1);
+    self->sec_layer = owner;
+    return self;
 }
 
 /*****************************************************************************/
 void APP_CC
-rdp_lic_delete(struct rdp_lic* self)
+rdp_lic_delete(struct rdp_lic *self)
 {
-  if (self == 0)
-  {
-    return;
-  }
-  g_free(self);
+    if (self == 0)
+    {
+        return;
+    }
+
+    g_free(self);
 }
 
 /*****************************************************************************/
 /* Generate a session key and RC4 keys, given client and server randoms */
 static void APP_CC
-rdp_lic_generate_keys(struct rdp_lic* self, char* client_random,
-                      char* server_random, char* pre_master_secret)
+rdp_lic_generate_keys(struct rdp_lic *self, char *client_random,
+                      char *server_random, char *pre_master_secret)
 {
-  char master_secret[48];
-  char key_block[48];
-
-  /* Generate master secret and then key material */
-  rdp_sec_hash_48(master_secret, pre_master_secret, client_random,
-                  server_random, 65);
-  rdp_sec_hash_48(key_block, master_secret, server_random,
-                  client_random, 65);
-  /* Store first 16 bytes of session key as MAC secret */
-  g_memcpy(self->licence_sign_key, key_block, 16);
-  /* Generate RC4 key from next 16 bytes */
-  rdp_sec_hash_16(self->licence_key, key_block + 16, client_random,
-                  server_random);
+    char master_secret[48];
+    char key_block[48];
+
+    /* Generate master secret and then key material */
+    rdp_sec_hash_48(master_secret, pre_master_secret, client_random,
+                    server_random, 65);
+    rdp_sec_hash_48(key_block, master_secret, server_random,
+                    client_random, 65);
+    /* Store first 16 bytes of session key as MAC secret */
+    g_memcpy(self->licence_sign_key, key_block, 16);
+    /* Generate RC4 key from next 16 bytes */
+    rdp_sec_hash_16(self->licence_key, key_block + 16, client_random,
+                    server_random);
 }
 
 /*****************************************************************************/
 static void APP_CC
-rdp_lic_generate_hwid(struct rdp_lic* self, char* hwid)
+rdp_lic_generate_hwid(struct rdp_lic *self, char *hwid)
 {
-  rdp_sec_buf_out_uint32(hwid, 2);
-  g_strncpy(hwid + 4, self->sec_layer->rdp_layer->mod->hostname,
-            LICENCE_HWID_SIZE - 4);
+    rdp_sec_buf_out_uint32(hwid, 2);
+    g_strncpy(hwid + 4, self->sec_layer->rdp_layer->mod->hostname,
+              LICENCE_HWID_SIZE - 4);
 }
 
 /*****************************************************************************/
 /* Present an existing licence to the server */
 static void APP_CC
-rdp_lic_present(struct rdp_lic* self, char* client_random, char* rsa_data,
-                char* licence_data, int licence_size, char* hwid,
-                char* signature)
+rdp_lic_present(struct rdp_lic *self, char *client_random, char *rsa_data,
+                char *licence_data, int licence_size, char *hwid,
+                char *signature)
 {
-  int sec_flags;
-  int length;
-  struct stream* s;
-
-  sec_flags = SEC_LICENCE_NEG;
-  length = 16 + SEC_RANDOM_SIZE + SEC_MODULUS_SIZE + SEC_PADDING_SIZE +
-           licence_size + LICENCE_HWID_SIZE + LICENCE_SIGNATURE_SIZE;
-  make_stream(s);
-  init_stream(s, 8192);
-  rdp_sec_init(self->sec_layer, s, sec_flags);
-  out_uint8(s, LICENCE_TAG_PRESENT);
-  out_uint8(s, 2); /* version */
-  out_uint16_le(s, length);
-  out_uint32_le(s, 1);
-  out_uint16_le(s, 0);
-  out_uint16_le(s, 0x0201);
-  out_uint8p(s, client_random, SEC_RANDOM_SIZE);
-  out_uint16_le(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);
-  rdp_sec_send(self->sec_layer, s, sec_flags);
-  free_stream(s);
+    int sec_flags;
+    int length;
+    struct stream *s;
+
+    sec_flags = SEC_LICENCE_NEG;
+    length = 16 + SEC_RANDOM_SIZE + SEC_MODULUS_SIZE + SEC_PADDING_SIZE +
+             licence_size + LICENCE_HWID_SIZE + LICENCE_SIGNATURE_SIZE;
+    make_stream(s);
+    init_stream(s, 8192);
+    rdp_sec_init(self->sec_layer, s, sec_flags);
+    out_uint8(s, LICENCE_TAG_PRESENT);
+    out_uint8(s, 2); /* version */
+    out_uint16_le(s, length);
+    out_uint32_le(s, 1);
+    out_uint16_le(s, 0);
+    out_uint16_le(s, 0x0201);
+    out_uint8p(s, client_random, SEC_RANDOM_SIZE);
+    out_uint16_le(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);
+    rdp_sec_send(self->sec_layer, s, sec_flags);
+    free_stream(s);
 }
 
 /*****************************************************************************/
 /* Send a licence request packet */
 static void APP_CC
-rdp_lic_send_request(struct rdp_lic* self, char* client_random,
-                     char* rsa_data, char* user, char* host)
+rdp_lic_send_request(struct rdp_lic *self, char *client_random,
+                     char *rsa_data, char *user, char *host)
 {
-  int sec_flags;
-  int userlen;
-  int hostlen;
-  int length;
-  struct stream* s;
-
-  sec_flags = SEC_LICENCE_NEG;
-  userlen = g_strlen(user) + 1;
-  hostlen = g_strlen(host) + 1;
-  length = 128 + userlen + hostlen;
-  make_stream(s);
-  init_stream(s, 8192);
-  rdp_sec_init(self->sec_layer, s, sec_flags);
-  out_uint8(s, LICENCE_TAG_REQUEST);
-  out_uint8(s, 2); /* version */
-  out_uint16_le(s, length);
-  out_uint32_le(s, 1);
-  out_uint16_le(s, 0);
-  out_uint16_le(s, 0xff01);
-  out_uint8p(s, client_random, SEC_RANDOM_SIZE);
-  out_uint16_le(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);
-  rdp_sec_send(self->sec_layer, s, sec_flags);
-  free_stream(s);
+    int sec_flags;
+    int userlen;
+    int hostlen;
+    int length;
+    struct stream *s;
+
+    sec_flags = SEC_LICENCE_NEG;
+    userlen = g_strlen(user) + 1;
+    hostlen = g_strlen(host) + 1;
+    length = 128 + userlen + hostlen;
+    make_stream(s);
+    init_stream(s, 8192);
+    rdp_sec_init(self->sec_layer, s, sec_flags);
+    out_uint8(s, LICENCE_TAG_REQUEST);
+    out_uint8(s, 2); /* version */
+    out_uint16_le(s, length);
+    out_uint32_le(s, 1);
+    out_uint16_le(s, 0);
+    out_uint16_le(s, 0xff01);
+    out_uint8p(s, client_random, SEC_RANDOM_SIZE);
+    out_uint16_le(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);
+    rdp_sec_send(self->sec_layer, s, sec_flags);
+    free_stream(s);
 }
 
 /*****************************************************************************/
 /* Process a licence demand packet */
 static void APP_CC
-rdp_lic_process_demand(struct rdp_lic* self, struct stream* s)
+rdp_lic_process_demand(struct rdp_lic *self, struct stream *s)
 {
-  char null_data[SEC_MODULUS_SIZE];
-  char* server_random;
-  char signature[LICENCE_SIGNATURE_SIZE];
-  char hwid[LICENCE_HWID_SIZE];
-  char* licence_data;
-  int licence_size;
-  void* crypt_key;
-
-  licence_data = 0;
-  /* 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. */
-  g_memset(null_data, 0, sizeof(null_data));
-  rdp_lic_generate_keys(self, null_data, server_random, null_data);
-  licence_size = 0; /* todo load_licence(&licence_data); */
-  if (licence_size > 0)
-  {
-    /* Generate a signature for the HWID buffer */
-    rdp_lic_generate_hwid(self, hwid);
-    rdp_sec_sign(signature, 16, self->licence_sign_key, 16,
-                 hwid, sizeof(hwid));
-    /* Now encrypt the HWID */
-    crypt_key = ssl_rc4_info_create();
-    ssl_rc4_set_key(crypt_key, self->licence_key, 16);
-    ssl_rc4_crypt(crypt_key, hwid, sizeof(hwid));
-    ssl_rc4_info_delete(crypt_key);
-    rdp_lic_present(self, null_data, null_data, licence_data,
-                    licence_size, hwid, signature);
-    g_free(licence_data);
-    return;
-  }
-  rdp_lic_send_request(self, null_data, null_data,
-                       self->sec_layer->rdp_layer->mod->username,
-                       self->sec_layer->rdp_layer->mod->hostname);
+    char null_data[SEC_MODULUS_SIZE];
+    char *server_random;
+    char signature[LICENCE_SIGNATURE_SIZE];
+    char hwid[LICENCE_HWID_SIZE];
+    char *licence_data;
+    int licence_size;
+    void *crypt_key;
+
+    licence_data = 0;
+    /* 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. */
+    g_memset(null_data, 0, sizeof(null_data));
+    rdp_lic_generate_keys(self, null_data, server_random, null_data);
+    licence_size = 0; /* todo load_licence(&licence_data); */
+
+    if (licence_size > 0)
+    {
+        /* Generate a signature for the HWID buffer */
+        rdp_lic_generate_hwid(self, hwid);
+        rdp_sec_sign(signature, 16, self->licence_sign_key, 16,
+                     hwid, sizeof(hwid));
+        /* Now encrypt the HWID */
+        crypt_key = ssl_rc4_info_create();
+        ssl_rc4_set_key(crypt_key, self->licence_key, 16);
+        ssl_rc4_crypt(crypt_key, hwid, sizeof(hwid));
+        ssl_rc4_info_delete(crypt_key);
+        rdp_lic_present(self, null_data, null_data, licence_data,
+                        licence_size, hwid, signature);
+        g_free(licence_data);
+        return;
+    }
+
+    rdp_lic_send_request(self, null_data, null_data,
+                         self->sec_layer->rdp_layer->mod->username,
+                         self->sec_layer->rdp_layer->mod->hostname);
 }
 
 /*****************************************************************************/
 /* Send an authentication response packet */
 static void APP_CC
-rdp_lic_send_authresp(struct rdp_lic* self, char* token, char* crypt_hwid,
-                      char* signature)
+rdp_lic_send_authresp(struct rdp_lic *self, char *token, char *crypt_hwid,
+                      char *signature)
 {
-  int sec_flags;
-  int length;
-  struct stream* s;
-
-  sec_flags = SEC_LICENCE_NEG;
-  length = 58;
-  make_stream(s);
-  init_stream(s, 8192);
-  rdp_sec_init(self->sec_layer, s, sec_flags);
-  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);
-  rdp_sec_send(self->sec_layer, s, sec_flags);
-  free_stream(s);
+    int sec_flags;
+    int length;
+    struct stream *s;
+
+    sec_flags = SEC_LICENCE_NEG;
+    length = 58;
+    make_stream(s);
+    init_stream(s, 8192);
+    rdp_sec_init(self->sec_layer, s, sec_flags);
+    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);
+    rdp_sec_send(self->sec_layer, s, sec_flags);
+    free_stream(s);
 }
 
 /*****************************************************************************/
 /* Parse an authentication request packet */
 /* returns boolean */
 static int APP_CC
-rdp_lic_parse_authreq(struct rdp_lic* self, struct stream* s,
-                      char** token, char** signature)
+rdp_lic_parse_authreq(struct rdp_lic *self, struct stream *s,
+                      char **token, char **signature)
 {
-  int 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 0;
-  }
-  in_uint8p(s, *token, tokenlen);
-  in_uint8p(s, *signature, LICENCE_SIGNATURE_SIZE);
-  return s_check_end(s);
+    int 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 0;
+    }
+
+    in_uint8p(s, *token, tokenlen);
+    in_uint8p(s, *signature, LICENCE_SIGNATURE_SIZE);
+    return s_check_end(s);
 }
 
 /*****************************************************************************/
 /* Process an authentication request packet */
 static void APP_CC
-rdp_lic_process_authreq(struct rdp_lic* self, struct stream* s)
+rdp_lic_process_authreq(struct rdp_lic *self, struct stream *s)
 {
-  char* in_token;
-  char* in_sig;
-  char out_token[LICENCE_TOKEN_SIZE];
-  char decrypt_token[LICENCE_TOKEN_SIZE];
-  char hwid[LICENCE_HWID_SIZE];
-  char crypt_hwid[LICENCE_HWID_SIZE];
-  char sealed_buffer[LICENCE_TOKEN_SIZE + LICENCE_HWID_SIZE];
-  char out_sig[LICENCE_SIGNATURE_SIZE];
-  void* crypt_key;
-
-  in_token = 0;
-  in_sig = 0;
-  /* Parse incoming packet and save the encrypted token */
-  rdp_lic_parse_authreq(self, s, &in_token, &in_sig);
-  g_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, self->licence_key, 16);
-  g_memcpy(decrypt_token, in_token, LICENCE_TOKEN_SIZE);
-  ssl_rc4_crypt(crypt_key, decrypt_token, LICENCE_TOKEN_SIZE);
-  /* Generate a signature for a buffer of token and HWID */
-  rdp_lic_generate_hwid(self, hwid);
-  g_memcpy(sealed_buffer, decrypt_token, LICENCE_TOKEN_SIZE);
-  g_memcpy(sealed_buffer + LICENCE_TOKEN_SIZE, hwid, LICENCE_HWID_SIZE);
-  rdp_sec_sign(out_sig, 16, self->licence_sign_key, 16, sealed_buffer,
-               sizeof(sealed_buffer));
-  /* Now encrypt the HWID */
-  ssl_rc4_set_key(crypt_key, self->licence_key, 16);
-  g_memcpy(crypt_hwid, hwid, LICENCE_HWID_SIZE);
-  ssl_rc4_crypt(crypt_key, crypt_hwid, LICENCE_HWID_SIZE);
-  rdp_lic_send_authresp(self, out_token, crypt_hwid, out_sig);
-  ssl_rc4_info_delete(crypt_key);
+    char *in_token;
+    char *in_sig;
+    char out_token[LICENCE_TOKEN_SIZE];
+    char decrypt_token[LICENCE_TOKEN_SIZE];
+    char hwid[LICENCE_HWID_SIZE];
+    char crypt_hwid[LICENCE_HWID_SIZE];
+    char sealed_buffer[LICENCE_TOKEN_SIZE + LICENCE_HWID_SIZE];
+    char out_sig[LICENCE_SIGNATURE_SIZE];
+    void *crypt_key;
+
+    in_token = 0;
+    in_sig = 0;
+    /* Parse incoming packet and save the encrypted token */
+    rdp_lic_parse_authreq(self, s, &in_token, &in_sig);
+    g_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, self->licence_key, 16);
+    g_memcpy(decrypt_token, in_token, LICENCE_TOKEN_SIZE);
+    ssl_rc4_crypt(crypt_key, decrypt_token, LICENCE_TOKEN_SIZE);
+    /* Generate a signature for a buffer of token and HWID */
+    rdp_lic_generate_hwid(self, hwid);
+    g_memcpy(sealed_buffer, decrypt_token, LICENCE_TOKEN_SIZE);
+    g_memcpy(sealed_buffer + LICENCE_TOKEN_SIZE, hwid, LICENCE_HWID_SIZE);
+    rdp_sec_sign(out_sig, 16, self->licence_sign_key, 16, sealed_buffer,
+                 sizeof(sealed_buffer));
+    /* Now encrypt the HWID */
+    ssl_rc4_set_key(crypt_key, self->licence_key, 16);
+    g_memcpy(crypt_hwid, hwid, LICENCE_HWID_SIZE);
+    ssl_rc4_crypt(crypt_key, crypt_hwid, LICENCE_HWID_SIZE);
+    rdp_lic_send_authresp(self, out_token, crypt_hwid, out_sig);
+    ssl_rc4_info_delete(crypt_key);
 }
 
 /*****************************************************************************/
 /* Process an licence issue packet */
 static void APP_CC
-rdp_lic_process_issue(struct rdp_lic* self, struct stream* s)
+rdp_lic_process_issue(struct rdp_lic *self, struct stream *s)
 {
-  void* crypt_key;
-  int length;
-  int 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, self->licence_key, 16);
-  ssl_rc4_crypt(crypt_key, s->p, length);
-  ssl_rc4_info_delete(crypt_key);
-  in_uint16_le(s, check);
-  if (check != 0)
-  {
-    return;
-  }
-  self->licence_issued = 1;
-  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);
+    void *crypt_key;
+    int length;
+    int check;
+    int i;
+
+    in_uint8s(s, 2); /* 3d 45 - unknown */
+    in_uint16_le(s, length);
+
     if (!s_check_rem(s, length))
     {
-      return;
+        return;
+    }
+
+    crypt_key = ssl_rc4_info_create();
+    ssl_rc4_set_key(crypt_key, self->licence_key, 16);
+    ssl_rc4_crypt(crypt_key, s->p, length);
+    ssl_rc4_info_delete(crypt_key);
+    in_uint16_le(s, check);
+
+    if (check != 0)
+    {
+        return;
     }
-  }
-  /* todo save_licence(s->p, length); */
+
+    self->licence_issued = 1;
+    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;
+        }
+    }
+
+    /* todo save_licence(s->p, length); */
 }
 
 /******************************************************************************/
 /* Process a licence packet */
 void APP_CC
-rdp_lic_process(struct rdp_lic* self, struct stream* s)
+rdp_lic_process(struct rdp_lic *self, struct stream *s)
 {
-  int tag;
-
-  in_uint8(s, tag);
-  in_uint8s(s, 3); /* version, length */
-  switch (tag)
-  {
-    case LICENCE_TAG_DEMAND:
-      rdp_lic_process_demand(self, s);
-      break;
-    case LICENCE_TAG_AUTHREQ:
-      rdp_lic_process_authreq(self, s);
-      break;
-    case LICENCE_TAG_ISSUE:
-      rdp_lic_process_issue(self, s);
-      break;
-    case LICENCE_TAG_REISSUE:
-    case LICENCE_TAG_RESULT:
-      break;
-    default:
-      break;
-      /* todo unimpl("licence tag 0x%x\n", tag); */
-  }
+    int tag;
+
+    in_uint8(s, tag);
+    in_uint8s(s, 3); /* version, length */
+
+    switch (tag)
+    {
+        case LICENCE_TAG_DEMAND:
+            rdp_lic_process_demand(self, s);
+            break;
+        case LICENCE_TAG_AUTHREQ:
+            rdp_lic_process_authreq(self, s);
+            break;
+        case LICENCE_TAG_ISSUE:
+            rdp_lic_process_issue(self, s);
+            break;
+        case LICENCE_TAG_REISSUE:
+        case LICENCE_TAG_RESULT:
+            break;
+        default:
+            break;
+            /* todo unimpl("licence tag 0x%x\n", tag); */
+    }
 }