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/* |
/* |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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RDP licensing negotiation |
RDP licensing negotiation |
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Copyright (C) Matthew Chapman 1999-2000 |
Copyright (C) Matthew Chapman 1999-2001 |
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This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
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static uint8 licence_key[16]; |
static uint8 licence_key[16]; |
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static uint8 licence_sign_key[16]; |
static uint8 licence_sign_key[16]; |
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BOOL licence_issued = False; |
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/* Generate a session key and RC4 keys, given client and server randoms */ |
/* Generate a session key and RC4 keys, given client and server randoms */ |
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void licence_generate_keys(uint8 *client_key, uint8 *server_key, |
void |
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uint8 *client_rsa) |
licence_generate_keys(uint8 *client_key, uint8 *server_key, uint8 *client_rsa) |
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{ |
{ |
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uint8 session_key[48]; |
uint8 session_key[48]; |
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uint8 temp_hash[48]; |
uint8 temp_hash[48]; |
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} |
} |
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/* Send a licence request packet */ |
/* Send a licence request packet */ |
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static void licence_send_request(uint8 *client_random, uint8 *rsa_data, |
static void |
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char *user, char *host) |
licence_send_request(uint8 *client_random, uint8 *rsa_data, |
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char *user, char *host) |
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{ |
{ |
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uint32 sec_flags = SEC_LICENCE_NEG; |
uint32 sec_flags = SEC_LICENCE_NEG; |
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uint16 userlen = strlen(user) + 1; |
uint16 userlen = strlen(user) + 1; |
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} |
} |
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/* Process a licence demand packet */ |
/* Process a licence demand packet */ |
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static void licence_process_demand(STREAM s) |
static void |
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licence_process_demand(STREAM s) |
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{ |
{ |
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uint8 null_data[SEC_MODULUS_SIZE]; |
uint8 null_data[SEC_MODULUS_SIZE]; |
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uint8 *server_random; |
uint8 *server_random; |
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} |
} |
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/* Send an authentication response packet */ |
/* Send an authentication response packet */ |
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static void licence_send_authresp(uint8 *token, uint8 *crypt_hwid, |
static void |
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uint8 *signature) |
licence_send_authresp(uint8 *token, uint8 *crypt_hwid, uint8 *signature) |
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{ |
{ |
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uint32 sec_flags = SEC_LICENCE_NEG; |
uint32 sec_flags = SEC_LICENCE_NEG; |
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uint16 length = 58; |
uint16 length = 58; |
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} |
} |
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/* Parse an authentication request packet */ |
/* Parse an authentication request packet */ |
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static BOOL licence_parse_authreq(STREAM s, uint8 **token, uint8 **signature) |
static BOOL |
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licence_parse_authreq(STREAM s, uint8 **token, uint8 **signature) |
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{ |
{ |
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uint16 tokenlen; |
uint16 tokenlen; |
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in_uint16_le(s, tokenlen); |
in_uint16_le(s, tokenlen); |
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if (tokenlen != LICENCE_TOKEN_SIZE) |
if (tokenlen != LICENCE_TOKEN_SIZE) |
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{ |
{ |
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ERROR("token len %d\n", tokenlen); |
error("token len %d\n", tokenlen); |
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return False; |
return False; |
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} |
} |
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} |
} |
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/* Process an authentication request packet */ |
/* Process an authentication request packet */ |
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static void licence_process_authreq(STREAM s) |
static void |
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licence_process_authreq(STREAM s) |
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{ |
{ |
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uint8 *in_token, *in_sig; |
uint8 *in_token, *in_sig; |
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uint8 out_token[LICENCE_TOKEN_SIZE], |
uint8 out_token[LICENCE_TOKEN_SIZE], |
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} |
} |
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/* Process an licence issue packet */ |
/* Process an licence issue packet */ |
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static void licence_process_issue(STREAM s) |
static void |
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licence_process_issue(STREAM s) |
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{ |
{ |
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RC4_KEY crypt_key; |
RC4_KEY crypt_key; |
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uint32 length; |
uint32 length; |
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if (check != 0) |
if (check != 0) |
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return; |
return; |
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licence_issued = True; |
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/* We should save the licence here */ |
/* We should save the licence here */ |
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STATUS("Server issued licence.\n"); |
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} |
} |
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/* Process a licence packet */ |
/* Process a licence packet */ |
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void licence_process(STREAM s) |
void |
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licence_process(STREAM s) |
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{ |
{ |
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uint16 tag; |
uint16 tag; |
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break; |
break; |
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default: |
default: |
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NOTIMP("licence tag 0x%x\n", tag); |
unimpl("licence tag 0x%x\n", tag); |
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} |
} |
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} |
} |