BOOL license_read_license_request_packet(rdpLicense* license, STREAM* s)
{
/* ServerRandom (32 bytes) */
if(stream_get_left(s) < 32)
return FALSE;
stream_read(s, license->server_random, 32);
/* ProductInfo */
if (!license_read_product_info(s, license->product_info))
return FALSE;
/* KeyExchangeList */
if (!license_read_binary_blob(s, license->key_exchange_list))
return FALSE;
/* ServerCertificate */
if (!license_read_binary_blob(s, license->server_certificate))
return FALSE;
/* ScopeList */
if (!license_read_scope_list(s, license->scope_list))
return FALSE;
/* Parse Server Certificate */
if (!certificate_read_server_certificate(license->certificate,
license->server_certificate->data, license->server_certificate->length))
return FALSE;
license_generate_keys(license);
license_generate_hwid(license);
license_encrypt_premaster_secret(license);
return TRUE;
}
void license_read_license_request_packet(rdpLicense* license, STREAM* s)
{
/* ServerRandom (32 bytes) */
stream_read(s, license->server_random, 32);
/* ProductInfo */
license_read_product_info(s, license->product_info);
/* KeyExchangeList */
license_read_binary_blob(s, license->key_exchange_list);
/* ServerCertificate */
license_read_binary_blob(s, license->server_certificate);
/* ScopeList */
license_read_scope_list(s, license->scope_list);
/* Parse Server Certificate */
certificate_read_server_certificate(license->certificate,
license->server_certificate->data, license->server_certificate->length);
license_generate_keys(license);
license_generate_hwid(license);
license_encrypt_premaster_secret(license);
}
BOOL license_read_platform_challenge_packet(rdpLicense* license, wStream* s)
{
BYTE MacData[16];
UINT32 ConnectFlags = 0;
DEBUG_LICENSE("Receiving Platform Challenge Packet");
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, ConnectFlags); /* ConnectFlags, Reserved (4 bytes) */
/* EncryptedPlatformChallenge */
license->EncryptedPlatformChallenge->type = BB_ANY_BLOB;
license_read_binary_blob(s, license->EncryptedPlatformChallenge);
license->EncryptedPlatformChallenge->type = BB_ENCRYPTED_DATA_BLOB;
if (Stream_GetRemainingLength(s) < 16)
return FALSE;
Stream_Read(s, MacData, 16); /* MACData (16 bytes) */
if (!license_decrypt_platform_challenge(license))
return FALSE;
#ifdef WITH_DEBUG_LICENSE
WLog_DBG(TAG, "ConnectFlags: 0x%08X", ConnectFlags);
WLog_DBG(TAG, "EncryptedPlatformChallenge:");
winpr_HexDump(TAG, WLOG_DEBUG, license->EncryptedPlatformChallenge->data, license->EncryptedPlatformChallenge->length);
WLog_DBG(TAG, "PlatformChallenge:");
winpr_HexDump(TAG, WLOG_DEBUG, license->PlatformChallenge->data, license->PlatformChallenge->length);
WLog_DBG(TAG, "MacData:");
winpr_HexDump(TAG, WLOG_DEBUG, MacData, 16);
#endif
return TRUE;
}
BOOL license_read_scope_list(wStream* s, SCOPE_LIST* scopeList)
{
UINT32 i;
UINT32 scopeCount;
if (Stream_GetRemainingLength(s) < 4)
return FALSE;
Stream_Read_UINT32(s, scopeCount); /* ScopeCount (4 bytes) */
if (scopeCount > Stream_GetRemainingLength(s) / 4) /* every blob is at least 4 bytes */
return FALSE;
scopeList->count = scopeCount;
scopeList->array = (LICENSE_BLOB*) malloc(sizeof(LICENSE_BLOB) * scopeCount);
if (!scopeList->array)
return FALSE;
/* ScopeArray */
for (i = 0; i < scopeCount; i++)
{
scopeList->array[i].type = BB_SCOPE_BLOB;
if (!license_read_binary_blob(s, &scopeList->array[i]))
return FALSE;
}
return TRUE;
}
BOOL license_read_license_request_packet(rdpLicense* license, wStream* s)
{
/* ServerRandom (32 bytes) */
if (Stream_GetRemainingLength(s) < 32)
return FALSE;
Stream_Read(s, license->ServerRandom, 32);
/* ProductInfo */
if (!license_read_product_info(s, license->ProductInfo))
return FALSE;
/* KeyExchangeList */
if (!license_read_binary_blob(s, license->KeyExchangeList))
return FALSE;
/* ServerCertificate */
if (!license_read_binary_blob(s, license->ServerCertificate))
return FALSE;
/* ScopeList */
if (!license_read_scope_list(s, license->ScopeList))
return FALSE;
/* Parse Server Certificate */
if (!certificate_read_server_certificate(license->certificate,
license->ServerCertificate->data, license->ServerCertificate->length))
return FALSE;
license_generate_keys(license);
license_generate_hwid(license);
license_encrypt_premaster_secret(license);
#ifdef WITH_DEBUG_LICENSE
fprintf(stderr, "ServerRandom:\n");
winpr_HexDump(license->ServerRandom, 32);
fprintf(stderr, "\n");
license_print_product_info(license->ProductInfo);
fprintf(stderr, "\n");
license_print_scope_list(license->ScopeList);
fprintf(stderr, "\n");
#endif
return TRUE;
}
BOOL license_read_error_alert_packet(rdpLicense* license, wStream* s)
{
UINT32 dwErrorCode;
UINT32 dwStateTransition;
if (Stream_GetRemainingLength(s) < 8)
return FALSE;
Stream_Read_UINT32(s, dwErrorCode); /* dwErrorCode (4 bytes) */
Stream_Read_UINT32(s, dwStateTransition); /* dwStateTransition (4 bytes) */
if (!license_read_binary_blob(s, license->ErrorInfo)) /* bbErrorInfo */
return FALSE;
#ifdef WITH_DEBUG_LICENSE
fprintf(stderr, "dwErrorCode: %s, dwStateTransition: %s\n",
error_codes[dwErrorCode], state_transitions[dwStateTransition]);
#endif
if (dwErrorCode == STATUS_VALID_CLIENT)
{
license->state = LICENSE_STATE_COMPLETED;
return TRUE;
}
switch (dwStateTransition)
{
case ST_TOTAL_ABORT:
license->state = LICENSE_STATE_ABORTED;
break;
case ST_NO_TRANSITION:
license->state = LICENSE_STATE_COMPLETED;
break;
case ST_RESET_PHASE_TO_START:
license->state = LICENSE_STATE_AWAIT;
break;
case ST_RESEND_LAST_MESSAGE:
break;
default:
break;
}
return TRUE;
}
void license_read_platform_challenge_packet(rdpLicense* license, STREAM* s)
{
DEBUG_LICENSE("Receiving Platform Challenge Packet");
stream_seek(s, 4); /* ConnectFlags, Reserved (4 bytes) */
/* EncryptedPlatformChallenge */
license->encrypted_platform_challenge->type = BB_ANY_BLOB;
license_read_binary_blob(s, license->encrypted_platform_challenge);
license->encrypted_platform_challenge->type = BB_ENCRYPTED_DATA_BLOB;
/* MACData (16 bytes) */
stream_seek(s, 16);
license_decrypt_platform_challenge(license);
}
void license_read_scope_list(STREAM* s, SCOPE_LIST* scopeList)
{
uint32 i;
uint32 scopeCount;
stream_read_uint32(s, scopeCount); /* ScopeCount (4 bytes) */
scopeList->count = scopeCount;
scopeList->array = (LICENSE_BLOB*) xmalloc(sizeof(LICENSE_BLOB) * scopeCount);
/* ScopeArray */
for (i = 0; i < scopeCount; i++)
{
scopeList->array[i].type = BB_SCOPE_BLOB;
license_read_binary_blob(s, &scopeList->array[i]);
}
}
BOOL license_read_platform_challenge_packet(rdpLicense* license, STREAM* s)
{
DEBUG_LICENSE("Receiving Platform Challenge Packet");
if(stream_get_left(s) < 4)
return FALSE;
stream_seek(s, 4); /* ConnectFlags, Reserved (4 bytes) */
/* EncryptedPlatformChallenge */
license->encrypted_platform_challenge->type = BB_ANY_BLOB;
license_read_binary_blob(s, license->encrypted_platform_challenge);
license->encrypted_platform_challenge->type = BB_ENCRYPTED_DATA_BLOB;
/* MACData (16 bytes) */
if(!stream_skip(s, 16))
return FALSE;
license_decrypt_platform_challenge(license);
return TRUE;
}
void license_read_error_alert_packet(rdpLicense* license, STREAM* s)
{
uint32 dwErrorCode;
uint32 dwStateTransition;
stream_read_uint32(s, dwErrorCode); /* dwErrorCode (4 bytes) */
stream_read_uint32(s, dwStateTransition); /* dwStateTransition (4 bytes) */
license_read_binary_blob(s, license->error_info); /* bbErrorInfo */
#ifdef WITH_DEBUG_LICENSE
printf("dwErrorCode: %s, dwStateTransition: %s\n",
error_codes[dwErrorCode], state_transitions[dwStateTransition]);
#endif
if (dwErrorCode == STATUS_VALID_CLIENT)
{
license->state = LICENSE_STATE_COMPLETED;
return;
}
switch (dwStateTransition)
{
case ST_TOTAL_ABORT:
license->state = LICENSE_STATE_ABORTED;
break;
case ST_NO_TRANSITION:
license->state = LICENSE_STATE_COMPLETED;
break;
case ST_RESET_PHASE_TO_START:
license->state = LICENSE_STATE_AWAIT;
break;
case ST_RESEND_LAST_MESSAGE:
break;
default:
break;
}
}
BOOL license_read_scope_list(STREAM* s, SCOPE_LIST* scopeList)
{
UINT32 i;
UINT32 scopeCount;
if(stream_get_left(s) < 4)
return FALSE;
stream_read_UINT32(s, scopeCount); /* ScopeCount (4 bytes) */
scopeList->count = scopeCount;
scopeList->array = (LICENSE_BLOB*) malloc(sizeof(LICENSE_BLOB) * scopeCount);
/* ScopeArray */
for (i = 0; i < scopeCount; i++)
{
scopeList->array[i].type = BB_SCOPE_BLOB;
if(!license_read_binary_blob(s, &scopeList->array[i]))
return FALSE;
}
return TRUE;
}
