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FreeRDP/libfreerdp/common/settings.c
akallabeth c2f4ad80a5 [common,settings] fix TargetNetAddresses usage 
* use a common function to allocate both, TargetNetAddresses and
  TargetNetPorts
* unify handling, utilize helper functions as much as possible
2024-01-09 15:18:37 +01:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Settings Management
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2016 Armin Novak <armin.novak@gmail.com>
* Copyright 2023 Armin Novak <anovak@thincast.com>
* Copyright 2023 Thincast Technologies GmbH
*
* 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.
*/
#include <freerdp/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include "../core/settings.h"
#include "../core/capabilities.h"
#include <freerdp/crypto/certificate.h>
#include <freerdp/settings.h>
#include <freerdp/freerdp.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("common")
BOOL freerdp_addin_argv_add_argument_ex(ADDIN_ARGV* args, const char* argument, size_t len)
{
char* str;
char** new_argv;
if (!args || !argument)
return FALSE;
if (len == 0)
len = strlen(argument);
new_argv = (char**)realloc(args->argv, sizeof(char*) * (args->argc + 1));
if (!new_argv)
return FALSE;
args->argv = new_argv;
str = calloc(len + 1, sizeof(char));
if (!str)
return FALSE;
memcpy(str, argument, len);
args->argv[args->argc++] = str;
return TRUE;
}
BOOL freerdp_addin_argv_add_argument(ADDIN_ARGV* args, const char* argument)
{
return freerdp_addin_argv_add_argument_ex(args, argument, 0);
}
BOOL freerdp_addin_argv_del_argument(ADDIN_ARGV* args, const char* argument)
{
int x;
if (!args || !argument)
return FALSE;
for (x = 0; x < args->argc; x++)
{
char* arg = args->argv[x];
if (strcmp(argument, arg) == 0)
{
free(arg);
memmove_s(&args->argv[x], (args->argc - x) * sizeof(char*), &args->argv[x + 1],
(args->argc - x - 1) * sizeof(char*));
args->argv[args->argc - 1] = NULL;
args->argc--;
return TRUE;
}
}
return FALSE;
}
int freerdp_addin_set_argument(ADDIN_ARGV* args, const char* argument)
{
int i;
if (!args || !argument)
return -2;
for (i = 0; i < args->argc; i++)
{
if (strcmp(args->argv[i], argument) == 0)
{
return 1;
}
}
if (!freerdp_addin_argv_add_argument(args, argument))
return -1;
return 0;
}
int freerdp_addin_replace_argument(ADDIN_ARGV* args, const char* previous, const char* argument)
{
int i;
if (!args || !previous || !argument)
return -2;
for (i = 0; i < args->argc; i++)
{
if (strcmp(args->argv[i], previous) == 0)
{
free(args->argv[i]);
if (!(args->argv[i] = _strdup(argument)))
return -1;
return 1;
}
}
if (!freerdp_addin_argv_add_argument(args, argument))
return -1;
return 0;
}
int freerdp_addin_set_argument_value(ADDIN_ARGV* args, const char* option, const char* value)
{
BOOL rc;
int i;
char* p;
char* str;
size_t length;
if (!args || !option || !value)
return -2;
length = strlen(option) + strlen(value) + 1;
str = (char*)calloc(length + 1, sizeof(char));
if (!str)
return -1;
sprintf_s(str, length + 1, "%s:%s", option, value);
for (i = 0; i < args->argc; i++)
{
p = strchr(args->argv[i], ':');
if (p)
{
if (strncmp(args->argv[i], option, p - args->argv[i]) == 0)
{
free(args->argv[i]);
args->argv[i] = str;
return 1;
}
}
}
rc = freerdp_addin_argv_add_argument(args, str);
free(str);
if (!rc)
return -1;
return 0;
}
int freerdp_addin_replace_argument_value(ADDIN_ARGV* args, const char* previous, const char* option,
const char* value)
{
int i;
BOOL rc;
char* str;
size_t length;
if (!args || !previous || !option || !value)
return -2;
length = strlen(option) + strlen(value) + 1;
str = (char*)calloc(length + 1, sizeof(char));
if (!str)
return -1;
sprintf_s(str, length + 1, "%s:%s", option, value);
for (i = 0; i < args->argc; i++)
{
if (strcmp(args->argv[i], previous) == 0)
{
free(args->argv[i]);
args->argv[i] = str;
return 1;
}
}
rc = freerdp_addin_argv_add_argument(args, str);
free(str);
if (!rc)
return -1;
return 0;
}
BOOL freerdp_device_collection_add(rdpSettings* settings, RDPDR_DEVICE* device)
{
UINT32 count, old;
WINPR_ASSERT(settings);
WINPR_ASSERT(device);
count = freerdp_settings_get_uint32(settings, FreeRDP_DeviceCount) + 1;
old = freerdp_settings_get_uint32(settings, FreeRDP_DeviceArraySize);
if (old < count)
{
UINT32 new_size = old * 2;
RDPDR_DEVICE** new_array;
if (new_size == 0)
new_size = count * 2;
new_array =
(RDPDR_DEVICE**)realloc(settings->DeviceArray, new_size * sizeof(RDPDR_DEVICE*));
if (!new_array)
return FALSE;
settings->DeviceArray = new_array;
memset(&settings->DeviceArray[old], 0, (new_size - old) * sizeof(RDPDR_DEVICE*));
if (!freerdp_settings_set_uint32(settings, FreeRDP_DeviceArraySize, new_size))
return FALSE;
}
settings->DeviceArray[settings->DeviceCount++] = device;
return TRUE;
}
RDPDR_DEVICE* freerdp_device_collection_find(rdpSettings* settings, const char* name)
{
UINT32 index;
RDPDR_DEVICE* device;
WINPR_ASSERT(settings);
WINPR_ASSERT(name);
for (index = 0; index < settings->DeviceCount; index++)
{
device = (RDPDR_DEVICE*)settings->DeviceArray[index];
if (!device->Name)
continue;
if (strcmp(device->Name, name) == 0)
return device;
}
return NULL;
}
RDPDR_DEVICE* freerdp_device_collection_find_type(rdpSettings* settings, UINT32 type)
{
UINT32 index;
RDPDR_DEVICE* device;
WINPR_ASSERT(settings);
for (index = 0; index < settings->DeviceCount; index++)
{
device = (RDPDR_DEVICE*)settings->DeviceArray[index];
if (device->Type == type)
return device;
}
return NULL;
}
RDPDR_DEVICE* freerdp_device_new(UINT32 Type, size_t count, const char* args[])
{
size_t size;
union
{
RDPDR_DEVICE* base;
RDPDR_DRIVE* drive;
RDPDR_SERIAL* serial;
RDPDR_PRINTER* printer;
RDPDR_PARALLEL* parallel;
RDPDR_SMARTCARD* smartcard;
} device;
device.base = NULL;
WINPR_ASSERT(args || (count == 0));
switch (Type)
{
case RDPDR_DTYP_PRINT:
size = sizeof(RDPDR_PRINTER);
break;
case RDPDR_DTYP_SERIAL:
size = sizeof(RDPDR_SERIAL);
break;
case RDPDR_DTYP_PARALLEL:
size = sizeof(RDPDR_PARALLEL);
break;
case RDPDR_DTYP_SMARTCARD:
size = sizeof(RDPDR_SMARTCARD);
break;
case RDPDR_DTYP_FILESYSTEM:
size = sizeof(RDPDR_DRIVE);
break;
default:
goto fail;
}
device.base = calloc(1, size);
if (!device.base)
goto fail;
device.base->Id = 0;
device.base->Type = Type;
if (count > 0)
{
device.base->Name = _strdup(args[0]);
if (!device.base->Name)
goto fail;
switch (Type)
{
case RDPDR_DTYP_PRINT:
if (count > 1)
{
device.printer->DriverName = _strdup(args[1]);
if (!device.printer->DriverName)
goto fail;
}
if (count > 2)
{
device.printer->IsDefault = _stricmp(args[2], "default") == 0;
}
break;
case RDPDR_DTYP_SERIAL:
if (count > 1)
{
device.serial->Path = _strdup(args[1]);
if (!device.serial->Path)
goto fail;
}
if (count > 2)
{
device.serial->Driver = _strdup(args[2]);
if (!device.serial->Driver)
goto fail;
}
if (count > 3)
{
device.serial->Permissive = _strdup(args[3]);
if (!device.serial->Permissive)
goto fail;
}
break;
case RDPDR_DTYP_PARALLEL:
if (count > 1)
{
device.parallel->Path = _strdup(args[1]);
if (!device.serial->Path)
goto fail;
}
break;
case RDPDR_DTYP_SMARTCARD:
break;
case RDPDR_DTYP_FILESYSTEM:
if (count > 1)
{
device.drive->Path = _strdup(args[1]);
if (!device.drive->Path)
goto fail;
}
if (count > 2)
device.drive->automount = (args[2] == NULL) ? TRUE : FALSE;
break;
default:
goto fail;
}
}
return device.base;
fail:
freerdp_device_free(device.base);
return NULL;
}
void freerdp_device_free(RDPDR_DEVICE* device)
{
union
{
RDPDR_DEVICE* dev;
RDPDR_DRIVE* drive;
RDPDR_SERIAL* serial;
RDPDR_PRINTER* printer;
RDPDR_PARALLEL* parallel;
RDPDR_SMARTCARD* smartcard;
} cnv;
cnv.dev = device;
if (!cnv.dev)
return;
switch (device->Type)
{
case RDPDR_DTYP_PRINT:
free(cnv.printer->DriverName);
break;
case RDPDR_DTYP_SERIAL:
free(cnv.serial->Path);
free(cnv.serial->Driver);
free(cnv.serial->Permissive);
break;
case RDPDR_DTYP_PARALLEL:
free(cnv.parallel->Path);
break;
case RDPDR_DTYP_SMARTCARD:
break;
case RDPDR_DTYP_FILESYSTEM:
free(cnv.drive->Path);
break;
default:
break;
}
free(cnv.dev->Name);
free(cnv.dev);
}
RDPDR_DEVICE* freerdp_device_clone(const RDPDR_DEVICE* device)
{
union
{
const RDPDR_DEVICE* dev;
const RDPDR_DRIVE* drive;
const RDPDR_SERIAL* serial;
const RDPDR_PRINTER* printer;
const RDPDR_PARALLEL* parallel;
const RDPDR_SMARTCARD* smartcard;
} src;
union
{
RDPDR_DEVICE* dev;
RDPDR_DRIVE* drive;
RDPDR_SERIAL* serial;
RDPDR_PRINTER* printer;
RDPDR_PARALLEL* parallel;
RDPDR_SMARTCARD* smartcard;
} copy;
size_t count = 0;
const char* args[4] = { 0 };
copy.dev = NULL;
src.dev = device;
if (!device)
return NULL;
if (device->Name)
{
count = 1;
args[0] = device->Name;
}
switch (device->Type)
{
case RDPDR_DTYP_FILESYSTEM:
if (src.drive->Path)
{
args[1] = src.drive->Path;
count = 2;
}
break;
case RDPDR_DTYP_PRINT:
if (src.printer->DriverName)
{
args[1] = src.printer->DriverName;
count = 2;
}
break;
case RDPDR_DTYP_SMARTCARD:
break;
case RDPDR_DTYP_SERIAL:
if (src.serial->Path)
{
args[1] = src.serial->Path;
count = 2;
}
if (src.serial->Driver)
{
args[2] = src.serial->Driver;
count = 3;
}
if (src.serial->Permissive)
{
args[3] = src.serial->Permissive;
count = 4;
}
break;
case RDPDR_DTYP_PARALLEL:
if (src.parallel->Path)
{
args[1] = src.parallel->Path;
count = 2;
}
break;
default:
WLog_ERR(TAG, "unknown device type %" PRIu32 "", device->Type);
break;
}
copy.dev = freerdp_device_new(device->Type, count, args);
if (!copy.dev)
return NULL;
copy.dev->Id = device->Id;
return copy.dev;
}
void freerdp_device_collection_free(rdpSettings* settings)
{
UINT32 index;
WINPR_ASSERT(settings);
if (settings->DeviceArray)
{
for (index = 0; index < settings->DeviceArraySize; index++)
freerdp_settings_set_pointer_array(settings, FreeRDP_DeviceArray, index, NULL);
}
free(settings->DeviceArray);
freerdp_settings_set_pointer(settings, FreeRDP_DeviceArray, NULL);
freerdp_settings_set_uint32(settings, FreeRDP_DeviceArraySize, 0);
freerdp_settings_set_uint32(settings, FreeRDP_DeviceCount, 0);
}
BOOL freerdp_static_channel_collection_del(rdpSettings* settings, const char* name)
{
UINT32 x;
const UINT32 count = freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelCount);
if (!settings || !settings->StaticChannelArray)
return FALSE;
for (x = 0; x < count; x++)
{
ADDIN_ARGV* cur = settings->StaticChannelArray[x];
if (cur && (cur->argc > 0))
{
if (strcmp(name, cur->argv[0]) == 0)
{
const size_t rem = settings->StaticChannelArraySize - count + 1;
memmove_s(&settings->StaticChannelArray[x], (count - x) * sizeof(ADDIN_ARGV*),
&settings->StaticChannelArray[x + 1],
(count - x - 1) * sizeof(ADDIN_ARGV*));
memset(&settings->StaticChannelArray[count - 1], 0, sizeof(ADDIN_ARGV*) * rem);
freerdp_addin_argv_free(cur);
return freerdp_settings_set_uint32(settings, FreeRDP_StaticChannelCount, count - 1);
}
}
}
{
const size_t rem = settings->StaticChannelArraySize - count;
memset(&settings->StaticChannelArray[count], 0, sizeof(ADDIN_ARGV*) * rem);
}
return FALSE;
}
BOOL freerdp_static_channel_collection_add(rdpSettings* settings, ADDIN_ARGV* channel)
{
UINT32 count;
WINPR_ASSERT(settings);
WINPR_ASSERT(channel);
count = freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelCount) + 1;
if (freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelArraySize) < count)
{
const UINT32 oldSize =
freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelArraySize);
UINT32 new_size = oldSize * 2ul;
ADDIN_ARGV** new_array = NULL;
if (new_size == 0)
new_size = count * 2ul;
new_array =
(ADDIN_ARGV**)realloc(settings->StaticChannelArray, new_size * sizeof(ADDIN_ARGV*));
if (!new_array)
return FALSE;
settings->StaticChannelArray = new_array;
{
const size_t rem = new_size - oldSize;
memset(&settings->StaticChannelArray[oldSize], 0, sizeof(ADDIN_ARGV*) * rem);
}
if (!freerdp_settings_set_uint32(settings, FreeRDP_StaticChannelArraySize, new_size))
return FALSE;
}
count = freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelCount);
ADDIN_ARGV** cur = &settings->StaticChannelArray[count++];
freerdp_addin_argv_free(*cur);
*cur = channel;
return freerdp_settings_set_uint32(settings, FreeRDP_StaticChannelCount, count);
}
ADDIN_ARGV* freerdp_static_channel_collection_find(rdpSettings* settings, const char* name)
{
UINT32 index;
ADDIN_ARGV* channel;
WINPR_ASSERT(settings);
WINPR_ASSERT(name);
for (index = 0; index < freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelCount);
index++)
{
channel = settings->StaticChannelArray[index];
if (strcmp(channel->argv[0], name) == 0)
return channel;
}
return NULL;
}
void freerdp_static_channel_collection_free(rdpSettings* settings)
{
UINT32 i;
if (!settings)
return;
if (settings->StaticChannelArray)
{
for (i = 0; i < freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelArraySize); i++)
freerdp_addin_argv_free(settings->StaticChannelArray[i]);
}
free(settings->StaticChannelArray);
freerdp_settings_set_uint32(settings, FreeRDP_StaticChannelArraySize, 0);
settings->StaticChannelArray = NULL;
freerdp_settings_set_uint32(settings, FreeRDP_StaticChannelCount, 0);
}
BOOL freerdp_dynamic_channel_collection_del(rdpSettings* settings, const char* name)
{
UINT32 x;
const UINT32 count = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelCount);
if (!settings || !settings->DynamicChannelArray)
return FALSE;
for (x = 0; x < count; x++)
{
ADDIN_ARGV* cur = settings->DynamicChannelArray[x];
if (cur && (cur->argc > 0))
{
if (strcmp(name, cur->argv[0]) == 0)
{
const size_t rem = settings->DynamicChannelArraySize - count + 1;
memmove_s(&settings->DynamicChannelArray[x], (count - x) * sizeof(ADDIN_ARGV*),
&settings->DynamicChannelArray[x + 1],
(count - x - 1) * sizeof(ADDIN_ARGV*));
memset(&settings->DynamicChannelArray[count - 1], 0, sizeof(ADDIN_ARGV*) * rem);
freerdp_addin_argv_free(cur);
return freerdp_settings_set_uint32(settings, FreeRDP_DynamicChannelCount,
count - 1);
}
}
}
return FALSE;
}
BOOL freerdp_dynamic_channel_collection_add(rdpSettings* settings, ADDIN_ARGV* channel)
{
UINT32 count, oldSize;
WINPR_ASSERT(settings);
WINPR_ASSERT(channel);
count = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelCount) + 1;
oldSize = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelArraySize);
if (oldSize < count)
{
ADDIN_ARGV** new_array;
UINT32 size = oldSize * 2;
if (size == 0)
size = count * 2;
new_array = realloc(settings->DynamicChannelArray, sizeof(ADDIN_ARGV*) * size);
if (!new_array)
return FALSE;
settings->DynamicChannelArray = new_array;
{
const size_t rem = size - oldSize;
memset(&settings->DynamicChannelArray[oldSize], 0, sizeof(ADDIN_ARGV*) * rem);
}
if (!freerdp_settings_set_uint32(settings, FreeRDP_DynamicChannelArraySize, size))
return FALSE;
}
count = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelCount);
settings->DynamicChannelArray[count++] = channel;
return freerdp_settings_set_uint32(settings, FreeRDP_DynamicChannelCount, count);
}
ADDIN_ARGV* freerdp_dynamic_channel_collection_find(const rdpSettings* settings, const char* name)
{
UINT32 index;
ADDIN_ARGV* channel;
WINPR_ASSERT(settings);
WINPR_ASSERT(name);
for (index = 0; index < freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelCount);
index++)
{
channel = settings->DynamicChannelArray[index];
if (strcmp(channel->argv[0], name) == 0)
return channel;
}
return NULL;
}
void freerdp_addin_argv_free(ADDIN_ARGV* args)
{
int index;
if (!args)
return;
if (args->argv)
{
for (index = 0; index < args->argc; index++)
free(args->argv[index]);
free(args->argv);
}
free(args);
}
ADDIN_ARGV* freerdp_addin_argv_new(size_t argc, const char* argv[])
{
ADDIN_ARGV* args = calloc(1, sizeof(ADDIN_ARGV));
if (!args)
return NULL;
if (argc == 0)
return args;
args->argc = argc;
args->argv = calloc(argc, sizeof(char*));
if (!args->argv)
goto fail;
if (argv)
{
size_t x;
for (x = 0; x < argc; x++)
{
args->argv[x] = _strdup(argv[x]);
if (!args->argv[x])
goto fail;
}
}
return args;
fail:
freerdp_addin_argv_free(args);
return NULL;
}
ADDIN_ARGV* freerdp_addin_argv_clone(const ADDIN_ARGV* args)
{
union
{
char** c;
const char** cc;
} cnv;
if (!args)
return NULL;
cnv.c = args->argv;
return freerdp_addin_argv_new(args->argc, cnv.cc);
}
void freerdp_dynamic_channel_collection_free(rdpSettings* settings)
{
UINT32 i;
WINPR_ASSERT(settings);
if (settings->DynamicChannelArray)
{
for (i = 0; i < freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelArraySize); i++)
freerdp_addin_argv_free(settings->DynamicChannelArray[i]);
}
free(settings->DynamicChannelArray);
freerdp_settings_set_uint32(settings, FreeRDP_DynamicChannelArraySize, 0);
settings->DynamicChannelArray = NULL;
freerdp_settings_set_uint32(settings, FreeRDP_DynamicChannelCount, 0);
}
void freerdp_capability_buffer_free(rdpSettings* settings)
{
UINT32 x;
WINPR_ASSERT(settings);
if (settings->ReceivedCapabilityData)
{
for (x = 0; x < settings->ReceivedCapabilitiesSize; x++)
{
free(settings->ReceivedCapabilityData[x]);
settings->ReceivedCapabilityData[x] = NULL;
}
}
settings->ReceivedCapabilitiesSize = 0;
free(settings->ReceivedCapabilityDataSizes);
settings->ReceivedCapabilityDataSizes = NULL;
free(settings->ReceivedCapabilityData);
settings->ReceivedCapabilityData = NULL;
free(settings->ReceivedCapabilities);
settings->ReceivedCapabilities = NULL;
}
BOOL freerdp_capability_buffer_copy(rdpSettings* settings, const rdpSettings* src)
{
WINPR_ASSERT(settings);
WINPR_ASSERT(src);
if (!freerdp_capability_buffer_allocate(settings, src->ReceivedCapabilitiesSize))
return FALSE;
for (UINT32 x = 0; x < src->ReceivedCapabilitiesSize; x++)
{
WINPR_ASSERT(settings->ReceivedCapabilities);
settings->ReceivedCapabilities[x] = src->ReceivedCapabilities[x];
WINPR_ASSERT(settings->ReceivedCapabilityDataSizes);
settings->ReceivedCapabilityDataSizes[x] = src->ReceivedCapabilityDataSizes[x];
WINPR_ASSERT(settings->ReceivedCapabilityData);
if (src->ReceivedCapabilityDataSizes[x] > 0)
{
void* tmp = realloc(settings->ReceivedCapabilityData[x],
settings->ReceivedCapabilityDataSizes[x]);
if (!tmp)
return FALSE;
memcpy(tmp, src->ReceivedCapabilityData[x], src->ReceivedCapabilityDataSizes[x]);
settings->ReceivedCapabilityData[x] = tmp;
}
else
{
free(settings->ReceivedCapabilityData[x]);
settings->ReceivedCapabilityData[x] = NULL;
}
}
return TRUE;
}
void freerdp_target_net_addresses_free(rdpSettings* settings)
{
WINPR_ASSERT(settings);
if (settings->TargetNetAddresses)
{
for (UINT32 index = 0; index < settings->TargetNetAddressCount; index++)
free(settings->TargetNetAddresses[index]);
}
free(settings->TargetNetAddresses);
free(settings->TargetNetPorts);
settings->TargetNetAddressCount = 0;
settings->TargetNetAddresses = NULL;
settings->TargetNetPorts = NULL;
}
void freerdp_server_license_issuers_free(rdpSettings* settings)
{
UINT32 x;
WINPR_ASSERT(settings);
if (settings->ServerLicenseProductIssuers)
{
for (x = 0; x < settings->ServerLicenseProductIssuersCount; x++)
free(settings->ServerLicenseProductIssuers[x]);
}
free(settings->ServerLicenseProductIssuers);
settings->ServerLicenseProductIssuers = NULL;
settings->ServerLicenseProductIssuersCount = 0;
}
BOOL freerdp_server_license_issuers_copy(rdpSettings* settings, char** issuers, UINT32 count)
{
UINT32 x;
WINPR_ASSERT(settings);
WINPR_ASSERT(issuers || (count == 0));
if (!freerdp_settings_set_pointer_len(settings, FreeRDP_ServerLicenseProductIssuers, NULL,
count))
return FALSE;
for (x = 0; x < count; x++)
{
char* issuer = _strdup(issuers[x]);
if (!issuer)
return FALSE;
settings->ServerLicenseProductIssuers[x] = issuer;
}
return TRUE;
}
void freerdp_performance_flags_make(rdpSettings* settings)
{
UINT32 PerformanceFlags = PERF_FLAG_NONE;
if (freerdp_settings_get_bool(settings, FreeRDP_AllowFontSmoothing))
PerformanceFlags |= PERF_ENABLE_FONT_SMOOTHING;
if (freerdp_settings_get_bool(settings, FreeRDP_AllowDesktopComposition))
PerformanceFlags |= PERF_ENABLE_DESKTOP_COMPOSITION;
if (freerdp_settings_get_bool(settings, FreeRDP_DisableWallpaper))
PerformanceFlags |= PERF_DISABLE_WALLPAPER;
if (freerdp_settings_get_bool(settings, FreeRDP_DisableFullWindowDrag))
PerformanceFlags |= PERF_DISABLE_FULLWINDOWDRAG;
if (freerdp_settings_get_bool(settings, FreeRDP_DisableMenuAnims))
PerformanceFlags |= PERF_DISABLE_MENUANIMATIONS;
if (freerdp_settings_get_bool(settings, FreeRDP_DisableThemes))
PerformanceFlags |= PERF_DISABLE_THEMING;
freerdp_settings_set_uint32(settings, FreeRDP_PerformanceFlags, PerformanceFlags);
}
void freerdp_performance_flags_split(rdpSettings* settings)
{
freerdp_settings_set_bool(settings, FreeRDP_AllowFontSmoothing,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) &
PERF_ENABLE_FONT_SMOOTHING)
? TRUE
: FALSE);
freerdp_settings_set_bool(settings, FreeRDP_AllowDesktopComposition,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) &
PERF_ENABLE_DESKTOP_COMPOSITION)
? TRUE
: FALSE);
freerdp_settings_set_bool(
settings, FreeRDP_DisableWallpaper,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) & PERF_DISABLE_WALLPAPER)
? TRUE
: FALSE);
freerdp_settings_set_bool(settings, FreeRDP_DisableFullWindowDrag,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) &
PERF_DISABLE_FULLWINDOWDRAG)
? TRUE
: FALSE);
freerdp_settings_set_bool(settings, FreeRDP_DisableMenuAnims,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) &
PERF_DISABLE_MENUANIMATIONS)
? TRUE
: FALSE);
freerdp_settings_set_bool(
settings, FreeRDP_DisableThemes,
(freerdp_settings_get_uint32(settings, FreeRDP_PerformanceFlags) & PERF_DISABLE_THEMING)
? TRUE
: FALSE);
}
BOOL freerdp_set_gateway_usage_method(rdpSettings* settings, UINT32 GatewayUsageMethod)
{
if (!freerdp_settings_set_uint32(settings, FreeRDP_GatewayUsageMethod, GatewayUsageMethod))
return FALSE;
if (GatewayUsageMethod == TSC_PROXY_MODE_NONE_DIRECT)
{
if (!freerdp_settings_set_bool(settings, FreeRDP_GatewayEnabled, FALSE) ||
!freerdp_settings_set_bool(settings, FreeRDP_GatewayBypassLocal, FALSE))
return FALSE;
}
else if (GatewayUsageMethod == TSC_PROXY_MODE_DIRECT)
{
if (!freerdp_settings_set_bool(settings, FreeRDP_GatewayEnabled, TRUE) ||
!freerdp_settings_set_bool(settings, FreeRDP_GatewayBypassLocal, FALSE))
return FALSE;
}
else if (GatewayUsageMethod == TSC_PROXY_MODE_DETECT)
{
if (!freerdp_settings_set_bool(settings, FreeRDP_GatewayEnabled, TRUE) ||
!freerdp_settings_set_bool(settings, FreeRDP_GatewayBypassLocal, TRUE))
return FALSE;
}
else if (GatewayUsageMethod == TSC_PROXY_MODE_DEFAULT)
{
/**
* This corresponds to "Automatically detect RD Gateway server settings",
* which means the client attempts to use gateway group policy settings
* http://technet.microsoft.com/en-us/library/cc770601.aspx
*/
if (!freerdp_settings_set_bool(settings, FreeRDP_GatewayEnabled, FALSE) ||
!freerdp_settings_set_bool(settings, FreeRDP_GatewayBypassLocal, FALSE))
return FALSE;
}
else if (GatewayUsageMethod == TSC_PROXY_MODE_NONE_DETECT)
{
if (!freerdp_settings_set_bool(settings, FreeRDP_GatewayEnabled, FALSE) ||
!freerdp_settings_set_bool(settings, FreeRDP_GatewayBypassLocal, FALSE))
return FALSE;
}
return TRUE;
}
void freerdp_update_gateway_usage_method(rdpSettings* settings, UINT32 GatewayEnabled,
UINT32 GatewayBypassLocal)
{
UINT32 GatewayUsageMethod = 0;
if (!GatewayEnabled && !GatewayBypassLocal)
GatewayUsageMethod = TSC_PROXY_MODE_NONE_DIRECT;
else if (GatewayEnabled && !GatewayBypassLocal)
GatewayUsageMethod = TSC_PROXY_MODE_DIRECT;
else if (GatewayEnabled && GatewayBypassLocal)
GatewayUsageMethod = TSC_PROXY_MODE_DETECT;
freerdp_set_gateway_usage_method(settings, GatewayUsageMethod);
}
#if defined(WITH_FREERDP_DEPRECATED)
BOOL freerdp_get_param_bool(const rdpSettings* settings, int id)
{
return freerdp_settings_get_bool(settings, (FreeRDP_Settings_Keys_Bool)id);
}
int freerdp_set_param_bool(rdpSettings* settings, int id, BOOL param)
{
return freerdp_settings_set_bool(settings, (FreeRDP_Settings_Keys_Bool)id, param) ? 0 : -1;
}
int freerdp_get_param_int(const rdpSettings* settings, int id)
{
return freerdp_settings_get_int32(settings, (FreeRDP_Settings_Keys_Int32)id);
}
int freerdp_set_param_int(rdpSettings* settings, int id, int param)
{
return freerdp_settings_set_int32(settings, (FreeRDP_Settings_Keys_Int32)id, param) ? 0 : -1;
}
UINT32 freerdp_get_param_uint32(const rdpSettings* settings, int id)
{
return freerdp_settings_get_uint32(settings, (FreeRDP_Settings_Keys_UInt32)id);
}
int freerdp_set_param_uint32(rdpSettings* settings, int id, UINT32 param)
{
return freerdp_settings_set_uint32(settings, (FreeRDP_Settings_Keys_UInt32)id, param) ? 0 : -1;
}
UINT64 freerdp_get_param_uint64(const rdpSettings* settings, int id)
{
return freerdp_settings_get_uint64(settings, (FreeRDP_Settings_Keys_UInt64)id);
}
int freerdp_set_param_uint64(rdpSettings* settings, int id, UINT64 param)
{
return freerdp_settings_set_uint64(settings, (FreeRDP_Settings_Keys_UInt64)id, param) ? 0 : -1;
}
char* freerdp_get_param_string(const rdpSettings* settings, int id)
{
return (char*)freerdp_settings_get_string(settings, (FreeRDP_Settings_Keys_String)id);
}
int freerdp_set_param_string(rdpSettings* settings, int id, const char* param)
{
return freerdp_settings_set_string(settings, (FreeRDP_Settings_Keys_String)id, param) ? 0 : -1;
}
#endif
static BOOL value_to_uint(const char* value, ULONGLONG* result, ULONGLONG min, ULONGLONG max)
{
char* endptr = NULL;
unsigned long long rc;
if (!value || !result)
return FALSE;
errno = 0;
rc = _strtoui64(value, &endptr, 0);
if (errno != 0)
return FALSE;
if (endptr == value)
return FALSE;
if ((rc < min) || (rc > max))
return FALSE;
*result = rc;
return TRUE;
}
static BOOL value_to_int(const char* value, LONGLONG* result, LONGLONG min, LONGLONG max)
{
char* endptr = NULL;
long long rc;
if (!value || !result)
return FALSE;
errno = 0;
rc = _strtoi64(value, &endptr, 0);
if (errno != 0)
return FALSE;
if (endptr == value)
return FALSE;
if ((rc < min) || (rc > max))
return FALSE;
*result = rc;
return TRUE;
}
static BOOL parsing_fail(const char* key, const char* type, const char* value)
{
WLog_ERR(TAG, "Failed to parse key [%s] of type [%s]: value [%s]", key, type, value);
return FALSE;
}
BOOL freerdp_settings_set_value_for_name(rdpSettings* settings, const char* name, const char* value)
{
ULONGLONG uval;
LONGLONG ival;
SSIZE_T type;
if (!settings || !name)
return FALSE;
const SSIZE_T i = freerdp_settings_get_key_for_name(name);
if (i < 0)
{
WLog_ERR(TAG, "Invalid settings key [%s]", name);
return FALSE;
}
const SSIZE_T index = i;
type = freerdp_settings_get_type_for_key(index);
switch (type)
{
case RDP_SETTINGS_TYPE_BOOL:
{
BOOL val = _strnicmp(value, "TRUE", 5) == 0;
if (!val && _strnicmp(value, "FALSE", 6) != 0)
return parsing_fail(name, "BOOL", value);
return freerdp_settings_set_bool(settings, (FreeRDP_Settings_Keys_Bool)index, val);
}
case RDP_SETTINGS_TYPE_UINT16:
if (!value_to_uint(value, &uval, 0, UINT16_MAX))
return parsing_fail(name, "UINT16", value);
if (!freerdp_settings_set_uint16(settings, (FreeRDP_Settings_Keys_UInt16)index, uval))
return parsing_fail(name, "UINT16", value);
return TRUE;
case RDP_SETTINGS_TYPE_INT16:
if (!value_to_int(value, &ival, INT16_MIN, INT16_MAX))
return parsing_fail(name, "INT16", value);
if (!freerdp_settings_set_int16(settings, (FreeRDP_Settings_Keys_Int16)index, ival))
return parsing_fail(name, "INT16", value);
return TRUE;
case RDP_SETTINGS_TYPE_UINT32:
if (!value_to_uint(value, &uval, 0, UINT32_MAX))
return parsing_fail(name, "UINT32", value);
if (!freerdp_settings_set_uint32(settings, (FreeRDP_Settings_Keys_UInt32)index, uval))
return parsing_fail(name, "UINT32", value);
return TRUE;
case RDP_SETTINGS_TYPE_INT32:
if (!value_to_int(value, &ival, INT32_MIN, INT32_MAX))
return parsing_fail(name, "INT32", value);
if (!freerdp_settings_set_int32(settings, (FreeRDP_Settings_Keys_Int32)index, ival))
return parsing_fail(name, "INT32", value);
return TRUE;
case RDP_SETTINGS_TYPE_UINT64:
if (!value_to_uint(value, &uval, 0, UINT64_MAX))
return parsing_fail(name, "UINT64", value);
if (!freerdp_settings_set_uint64(settings, (FreeRDP_Settings_Keys_UInt64)index, uval))
return parsing_fail(name, "UINT64", value);
return TRUE;
case RDP_SETTINGS_TYPE_INT64:
if (!value_to_int(value, &ival, INT64_MIN, INT64_MAX))
return parsing_fail(name, "INT64", value);
if (!freerdp_settings_set_int64(settings, (FreeRDP_Settings_Keys_Int64)index, ival))
return parsing_fail(name, "INT64", value);
return TRUE;
case RDP_SETTINGS_TYPE_STRING:
return freerdp_settings_set_string(settings, (FreeRDP_Settings_Keys_String)index,
value);
case RDP_SETTINGS_TYPE_POINTER:
return parsing_fail(name, "POINTER", value);
default:
return FALSE;
}
return FALSE;
}
BOOL freerdp_settings_set_pointer_len_(rdpSettings* settings, FreeRDP_Settings_Keys_Pointer id,
SSIZE_T lenId, const void* data, size_t len, size_t size)
{
BOOL rc = FALSE;
void* copy = NULL;
void* old = freerdp_settings_get_pointer_writable(settings, id);
free(old);
if (!freerdp_settings_set_pointer(settings, id, NULL))
return FALSE;
if (lenId >= 0)
{
if (!freerdp_settings_set_uint32(settings, (FreeRDP_Settings_Keys_UInt32)lenId, 0))
return FALSE;
}
if (len == 0)
return TRUE;
copy = calloc(len, size);
if (!copy)
return FALSE;
if (data)
memcpy(copy, data, len * size);
rc = freerdp_settings_set_pointer(settings, id, copy);
if (!rc)
{
free(copy);
return FALSE;
}
if (lenId < 0)
return TRUE;
return freerdp_settings_set_uint32(settings, (FreeRDP_Settings_Keys_UInt32)lenId, len);
}
const void* freerdp_settings_get_pointer(const rdpSettings* settings,
FreeRDP_Settings_Keys_Pointer id)
{
union
{
const rdpSettings* pc;
rdpSettings* p;
} cnv;
cnv.pc = settings;
return freerdp_settings_get_pointer_writable(cnv.p, id);
}
BOOL freerdp_settings_set_pointer_len(rdpSettings* settings, FreeRDP_Settings_Keys_Pointer id,
const void* data, size_t len)
{
union
{
const void* cv;
void* v;
} cnv;
cnv.cv = data;
if (!settings)
return FALSE;
switch (id)
{
case FreeRDP_RdpServerCertificate:
freerdp_certificate_free(settings->RdpServerCertificate);
if (len > 1)
{
WLog_ERR(TAG, "FreeRDP_RdpServerCertificate::len must be 0 or 1");
return FALSE;
}
settings->RdpServerCertificate = cnv.v;
if (!settings->RdpServerCertificate && (len > 0))
{
settings->RdpServerCertificate = freerdp_certificate_new();
if (!settings->RdpServerCertificate)
return FALSE;
}
return TRUE;
case FreeRDP_RdpServerRsaKey:
freerdp_key_free(settings->RdpServerRsaKey);
if (len > 1)
{
WLog_ERR(TAG, "FreeRDP_RdpServerRsaKey::len must be 0 or 1");
return FALSE;
}
settings->RdpServerRsaKey = (rdpPrivateKey*)cnv.v;
if (!settings->RdpServerRsaKey && (len > 0))
{
settings->RdpServerRsaKey = freerdp_key_new();
if (!settings->RdpServerRsaKey)
return FALSE;
}
return TRUE;
case FreeRDP_RedirectionPassword:
return freerdp_settings_set_pointer_len_(
settings, id, FreeRDP_RedirectionPasswordLength, data, len, sizeof(char));
case FreeRDP_RedirectionTsvUrl:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_RedirectionTsvUrlLength,
data, len, sizeof(char));
case FreeRDP_RedirectionTargetCertificate:
freerdp_certificate_free(settings->RedirectionTargetCertificate);
if (len > 1)
{
WLog_ERR(TAG, "FreeRDP_RedirectionTargetCertificate::len must be 0 or 1");
return FALSE;
}
settings->RedirectionTargetCertificate = cnv.v;
if (!settings->RedirectionTargetCertificate && (len > 0))
{
settings->RedirectionTargetCertificate = freerdp_certificate_new();
if (!settings->RedirectionTargetCertificate)
return FALSE;
}
return TRUE;
case FreeRDP_RedirectionGuid:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_RedirectionGuidLength,
data, len, sizeof(BYTE));
case FreeRDP_LoadBalanceInfo:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_LoadBalanceInfoLength,
data, len, sizeof(char));
case FreeRDP_ServerRandom:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_ServerRandomLength, data,
len, sizeof(char));
case FreeRDP_ClientRandom:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_ClientRandomLength, data,
len, sizeof(char));
case FreeRDP_ServerCertificate:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_ServerCertificateLength,
data, len, sizeof(char));
case FreeRDP_TargetNetAddresses:
if ((data == NULL) && (len == 0))
{
freerdp_target_net_addresses_free(settings);
return TRUE;
}
WLog_WARN(
TAG,
"[BUG] FreeRDP_TargetNetAddresses must not be resized from outside the library!");
return FALSE;
case FreeRDP_ServerLicenseProductIssuers:
if (data == NULL)
freerdp_server_license_issuers_free(settings);
return freerdp_settings_set_pointer_len_(settings, FreeRDP_ServerLicenseProductIssuers,
FreeRDP_ServerLicenseProductIssuersCount, data,
len, sizeof(char*));
case FreeRDP_TargetNetPorts:
if ((data == NULL) && (len == 0))
{
freerdp_target_net_addresses_free(settings);
return TRUE;
}
WLog_WARN(TAG,
"[BUG] FreeRDP_TargetNetPorts must not be resized from outside the library!");
return FALSE;
case FreeRDP_DeviceArray:
if (data == NULL)
freerdp_device_collection_free(settings);
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_DeviceArraySize, data,
len, sizeof(ADDIN_ARGV*));
case FreeRDP_ChannelDefArray:
if ((len > 0) && (len < CHANNEL_MAX_COUNT))
WLog_WARN(TAG,
"FreeRDP_ChannelDefArray::len expected to be >= %" PRIu32
", but have %" PRIu32,
CHANNEL_MAX_COUNT, len);
return freerdp_settings_set_pointer_len_(settings, FreeRDP_ChannelDefArray,
FreeRDP_ChannelDefArraySize, data, len,
sizeof(CHANNEL_DEF));
case FreeRDP_MonitorDefArray:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_MonitorDefArraySize,
data, len, sizeof(rdpMonitor));
case FreeRDP_ClientAutoReconnectCookie:
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len,
sizeof(ARC_CS_PRIVATE_PACKET));
case FreeRDP_ServerAutoReconnectCookie:
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len,
sizeof(ARC_SC_PRIVATE_PACKET));
case FreeRDP_ClientTimeZone:
if (len > 1)
{
WLog_ERR(TAG, "FreeRDP_ClientTimeZone::len must be 0 or 1");
return FALSE;
}
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len,
sizeof(TIME_ZONE_INFORMATION));
case FreeRDP_BitmapCacheV2CellInfo:
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_BitmapCacheV2NumCells,
data, len, sizeof(BITMAP_CACHE_V2_CELL_INFO));
case FreeRDP_GlyphCache:
if ((len != 0) && (len != 10))
{
WLog_ERR(TAG, "FreeRDP_GlyphCache::len must be 0 or 10");
return FALSE;
}
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len,
sizeof(GLYPH_CACHE_DEFINITION));
case FreeRDP_FragCache:
if (len > 1)
{
WLog_ERR(TAG, "FreeRDP_FragCache::len must be 0 or 1");
return FALSE;
}
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len,
sizeof(GLYPH_CACHE_DEFINITION));
case FreeRDP_StaticChannelArray:
if (data == NULL)
freerdp_static_channel_collection_free(settings);
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_StaticChannelArraySize,
data, len, sizeof(ADDIN_ARGV*));
case FreeRDP_DynamicChannelArray:
if (data == NULL)
freerdp_dynamic_channel_collection_free(settings);
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_DynamicChannelArraySize,
data, len, sizeof(ADDIN_ARGV*));
case FreeRDP_ReceivedCapabilityData:
if (data == NULL)
freerdp_capability_buffer_free(settings);
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_ReceivedCapabilitiesSize,
data, len, sizeof(BYTE*));
case FreeRDP_ReceivedCapabilities:
if (data == NULL)
freerdp_capability_buffer_free(settings);
return freerdp_settings_set_pointer_len_(settings, id, FreeRDP_ReceivedCapabilitiesSize,
data, len, sizeof(char));
case FreeRDP_OrderSupport:
return freerdp_settings_set_pointer_len_(settings, id, -1, data, len, sizeof(char));
case FreeRDP_MonitorIds:
return freerdp_settings_set_pointer_len_(
settings, FreeRDP_MonitorIds, FreeRDP_NumMonitorIds, data, len, sizeof(UINT32));
default:
if ((data == NULL) && (len == 0))
{
freerdp_settings_set_pointer(settings, id, NULL);
}
else
WLog_WARN(TAG, "Invalid id %" PRIuz, id);
return FALSE;
}
}
void* freerdp_settings_get_pointer_array_writable(const rdpSettings* settings,
FreeRDP_Settings_Keys_Pointer id, size_t offset)
{
size_t max;
if (!settings)
return NULL;
switch (id)
{
case FreeRDP_ClientAutoReconnectCookie:
max = 1;
if ((offset >= max) || !settings->ClientAutoReconnectCookie)
goto fail;
return &settings->ClientAutoReconnectCookie[offset];
case FreeRDP_ServerAutoReconnectCookie:
max = 1;
if ((offset >= max) || !settings->ServerAutoReconnectCookie)
goto fail;
return &settings->ServerAutoReconnectCookie[offset];
case FreeRDP_ServerCertificate:
max = freerdp_settings_get_uint32(settings, FreeRDP_ServerCertificateLength);
if (offset >= max)
goto fail;
return &settings->ServerCertificate[offset];
case FreeRDP_ServerRandom:
max = freerdp_settings_get_uint32(settings, FreeRDP_ServerRandomLength);
if (offset >= max)
goto fail;
return &settings->ServerRandom[offset];
case FreeRDP_ClientRandom:
max = freerdp_settings_get_uint32(settings, FreeRDP_ClientRandomLength);
if (offset >= max)
goto fail;
return &settings->ClientRandom[offset];
case FreeRDP_LoadBalanceInfo:
max = freerdp_settings_get_uint32(settings, FreeRDP_LoadBalanceInfoLength);
if (offset >= max)
goto fail;
return &settings->LoadBalanceInfo[offset];
case FreeRDP_RedirectionTsvUrl:
max = freerdp_settings_get_uint32(settings, FreeRDP_RedirectionTsvUrlLength);
if (offset >= max)
goto fail;
return &settings->RedirectionTsvUrl[offset];
case FreeRDP_RedirectionPassword:
max = freerdp_settings_get_uint32(settings, FreeRDP_RedirectionPasswordLength);
if (offset >= max)
goto fail;
return &settings->RedirectionPassword[offset];
case FreeRDP_OrderSupport:
max = 32;
if (offset >= max)
goto fail;
return &settings->OrderSupport[offset];
case FreeRDP_MonitorIds:
max = freerdp_settings_get_uint32(settings, FreeRDP_NumMonitorIds);
if (offset >= max)
goto fail;
return &settings->MonitorIds[offset];
case FreeRDP_MonitorDefArray:
max = freerdp_settings_get_uint32(settings, FreeRDP_MonitorDefArraySize);
if (offset >= max)
goto fail;
return &settings->MonitorDefArray[offset];
case FreeRDP_ChannelDefArray:
max = freerdp_settings_get_uint32(settings, FreeRDP_ChannelDefArraySize);
if (offset >= max)
goto fail;
return &settings->ChannelDefArray[offset];
case FreeRDP_DeviceArray:
max = freerdp_settings_get_uint32(settings, FreeRDP_DeviceArraySize);
if (offset >= max)
goto fail;
return settings->DeviceArray[offset];
case FreeRDP_StaticChannelArray:
max = freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelArraySize);
if (offset >= max)
goto fail;
return settings->StaticChannelArray[offset];
case FreeRDP_DynamicChannelArray:
max = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelArraySize);
if (offset >= max)
goto fail;
return settings->DynamicChannelArray[offset];
case FreeRDP_FragCache:
max = 1;
if (offset >= max)
goto fail;
return &settings->FragCache[offset];
case FreeRDP_GlyphCache:
max = 10;
if (offset >= max)
goto fail;
return &settings->GlyphCache[offset];
case FreeRDP_BitmapCacheV2CellInfo:
max = freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells);
if (offset >= max)
goto fail;
return &settings->BitmapCacheV2CellInfo[offset];
case FreeRDP_ReceivedCapabilities:
max = freerdp_settings_get_uint32(settings, FreeRDP_ReceivedCapabilitiesSize);
if (offset >= max)
goto fail;
return &settings->ReceivedCapabilities[offset];
case FreeRDP_TargetNetAddresses:
max = freerdp_settings_get_uint32(settings, FreeRDP_TargetNetAddressCount);
if (offset >= max)
goto fail;
return settings->TargetNetAddresses[offset];
case FreeRDP_TargetNetPorts:
max = freerdp_settings_get_uint32(settings, FreeRDP_TargetNetAddressCount);
if (offset >= max)
goto fail;
return &settings->TargetNetPorts[offset];
case FreeRDP_ClientTimeZone:
max = 1;
if (offset >= max)
goto fail;
return settings->ClientTimeZone;
case FreeRDP_RdpServerCertificate:
max = 1;
if (offset >= max)
goto fail;
return settings->RdpServerCertificate;
case FreeRDP_RdpServerRsaKey:
max = 1;
if (offset >= max)
goto fail;
return settings->RdpServerRsaKey;
default:
WLog_WARN(TAG, "Invalid id %s [%" PRIuz "]", freerdp_settings_get_name_for_key(id), id);
return NULL;
}
fail:
WLog_WARN(TAG, "Invalid offset for %s [%" PRIuz "]: size=%" PRIuz ", offset=%" PRIuz,
freerdp_settings_get_name_for_key(id), id, max, offset);
return NULL;
}
BOOL freerdp_settings_set_pointer_array(rdpSettings* settings, FreeRDP_Settings_Keys_Pointer id,
size_t offset, const void* data)
{
size_t maxOffset = 0;
if (!settings)
return FALSE;
switch (id)
{
case FreeRDP_ClientAutoReconnectCookie:
maxOffset = 1;
if ((offset >= maxOffset) || !data || !settings->ClientAutoReconnectCookie)
goto fail;
settings->ClientAutoReconnectCookie[offset] = *(const ARC_CS_PRIVATE_PACKET*)data;
return TRUE;
case FreeRDP_ServerAutoReconnectCookie:
maxOffset = 1;
if ((offset >= maxOffset) || !data || !settings->ServerAutoReconnectCookie)
goto fail;
settings->ServerAutoReconnectCookie[offset] = *(const ARC_SC_PRIVATE_PACKET*)data;
return TRUE;
case FreeRDP_ServerCertificate:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_ServerCertificateLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->ServerCertificate[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_DeviceArray:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_DeviceArraySize);
if (offset >= maxOffset)
goto fail;
freerdp_device_free(settings->DeviceArray[offset]);
settings->DeviceArray[offset] = freerdp_device_clone(data);
return TRUE;
case FreeRDP_TargetNetAddresses:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_TargetNetAddressCount);
if ((offset >= maxOffset) || !data)
goto fail;
free(settings->TargetNetAddresses[offset]);
settings->TargetNetAddresses[offset] = _strdup((const char*)data);
return settings->TargetNetAddresses[offset] != NULL;
case FreeRDP_TargetNetPorts:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_TargetNetAddressCount);
if ((offset >= maxOffset) || !data)
goto fail;
settings->TargetNetPorts[offset] = *((const UINT32*)data);
return TRUE;
case FreeRDP_StaticChannelArray:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_StaticChannelArraySize);
if ((offset >= maxOffset) || !data)
goto fail;
freerdp_addin_argv_free(settings->StaticChannelArray[offset]);
settings->StaticChannelArray[offset] = freerdp_addin_argv_clone(data);
return TRUE;
case FreeRDP_DynamicChannelArray:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_DynamicChannelArraySize);
if ((offset >= maxOffset) || !data)
goto fail;
freerdp_addin_argv_free(settings->DynamicChannelArray[offset]);
settings->DynamicChannelArray[offset] = freerdp_addin_argv_clone(data);
return TRUE;
case FreeRDP_BitmapCacheV2CellInfo:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_BitmapCacheV2NumCells);
if ((offset >= maxOffset) || !data)
goto fail;
{
const BITMAP_CACHE_V2_CELL_INFO* cdata = (const BITMAP_CACHE_V2_CELL_INFO*)data;
settings->BitmapCacheV2CellInfo[offset] = *cdata;
}
return TRUE;
case FreeRDP_ServerRandom:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_ServerRandomLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->ServerRandom[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_ClientRandom:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_ClientRandomLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->ClientRandom[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_LoadBalanceInfo:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_LoadBalanceInfoLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->LoadBalanceInfo[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_RedirectionTsvUrl:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_RedirectionTsvUrlLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->RedirectionTsvUrl[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_RedirectionPassword:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_RedirectionPasswordLength);
if ((offset >= maxOffset) || !data)
goto fail;
settings->RedirectionPassword[offset] = *(const BYTE*)data;
return TRUE;
case FreeRDP_OrderSupport:
maxOffset = 32;
if (!settings->OrderSupport)
goto fail;
if ((offset >= maxOffset) || !data)
goto fail;
settings->OrderSupport[offset] = *(const BOOL*)data;
return TRUE;
case FreeRDP_GlyphCache:
maxOffset = 10;
if (!settings->GlyphCache)
goto fail;
if ((offset >= maxOffset) || !data)
goto fail;
settings->GlyphCache[offset] = *(const GLYPH_CACHE_DEFINITION*)data;
return TRUE;
case FreeRDP_FragCache:
maxOffset = 1;
if (!settings->FragCache)
goto fail;
if ((offset >= maxOffset) || !data)
goto fail;
settings->FragCache[offset] = *(const GLYPH_CACHE_DEFINITION*)data;
return TRUE;
case FreeRDP_MonitorIds:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_NumMonitorIds);
if ((offset >= maxOffset) || !data)
goto fail;
settings->MonitorIds[offset] = *(const UINT32*)data;
return TRUE;
case FreeRDP_ChannelDefArray:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_ChannelDefArraySize);
if ((offset >= maxOffset) || !data)
goto fail;
settings->ChannelDefArray[offset] = *(const CHANNEL_DEF*)data;
return TRUE;
case FreeRDP_MonitorDefArray:
maxOffset = freerdp_settings_get_uint32(settings, FreeRDP_MonitorDefArraySize);
if ((offset >= maxOffset) || !data)
goto fail;
settings->MonitorDefArray[offset] = *(const rdpMonitor*)data;
return TRUE;
case FreeRDP_ClientTimeZone:
maxOffset = 1;
if ((offset >= maxOffset) || !data || !settings->ClientTimeZone)
goto fail;
settings->ClientTimeZone[0] = *(const TIME_ZONE_INFORMATION*)data;
return TRUE;
default:
WLog_WARN(TAG, "Invalid id %s [%" PRIuz "]", freerdp_settings_get_name_for_key(id), id);
return FALSE;
}
fail:
WLog_WARN(TAG, "[%s] Invalid offset=%" PRIuz " [%" PRIuz "] or NULL data=%p",
freerdp_settings_get_name_for_key(id), offset, maxOffset, data);
return FALSE;
}
const void* freerdp_settings_get_pointer_array(const rdpSettings* settings,
FreeRDP_Settings_Keys_Pointer id, size_t offset)
{
return freerdp_settings_get_pointer_array_writable(settings, id, offset);
}
UINT32 freerdp_settings_get_codecs_flags(const rdpSettings* settings)
{
UINT32 flags = FREERDP_CODEC_ALL;
if (settings->RemoteFxCodec == FALSE)
{
flags &= ~FREERDP_CODEC_REMOTEFX;
}
if (settings->NSCodec == FALSE)
{
flags &= ~FREERDP_CODEC_NSCODEC;
}
/*TODO: check other codecs flags */
return flags;
}
const char* freerdp_settings_get_server_name(const rdpSettings* settings)
{
WINPR_ASSERT(settings);
const char* hostname = settings->ServerHostname;
if (settings->UserSpecifiedServerName)
hostname = settings->UserSpecifiedServerName;
return hostname;
}
#if defined(WITH_FREERDP_DEPRECATED)
ADDIN_ARGV* freerdp_static_channel_clone(ADDIN_ARGV* channel)
{
return freerdp_addin_argv_clone(channel);
}
ADDIN_ARGV* freerdp_dynamic_channel_clone(ADDIN_ARGV* channel)
{
return freerdp_addin_argv_clone(channel);
}
#endif
BOOL freerdp_target_net_addresses_copy(rdpSettings* settings, char** addresses, UINT32 count)
{
WINPR_ASSERT(settings);
WINPR_ASSERT(addresses);
if (!freerdp_target_net_adresses_reset(settings, count))
return FALSE;
for (UINT32 i = 0; i < settings->TargetNetAddressCount; i++)
{
if (!freerdp_settings_set_pointer_array(settings, FreeRDP_TargetNetAddresses, i,
addresses[i]))
{
freerdp_target_net_addresses_free(settings);
return FALSE;
}
}
return TRUE;
}
BOOL freerdp_device_equal(const RDPDR_DEVICE* what, const RDPDR_DEVICE* expect)
{
if (!what && !expect)
return TRUE;
if (!what || !expect)
return FALSE;
if (what->Id != expect->Id)
return FALSE;
if (what->Type != expect->Type)
return FALSE;
if (what->Name && expect->Name)
{
if (strcmp(what->Name, expect->Name) != 0)
return FALSE;
}
else
{
if (what->Name != expect->Name)
return FALSE;
}
switch (what->Type)
{
case RDPDR_DTYP_PRINT:
{
const RDPDR_PRINTER* a = (const RDPDR_PRINTER*)what;
const RDPDR_PRINTER* b = (const RDPDR_PRINTER*)expect;
if (a->DriverName && b->DriverName)
return strcmp(a->DriverName, b->DriverName) == 0;
return a->DriverName == b->DriverName;
}
case RDPDR_DTYP_SERIAL:
{
const RDPDR_SERIAL* a = (const RDPDR_SERIAL*)what;
const RDPDR_SERIAL* b = (const RDPDR_SERIAL*)expect;
if (a->Path && b->Path)
{
if (strcmp(a->Path, b->Path) != 0)
return FALSE;
}
else if (a->Path != b->Path)
return FALSE;
if (a->Driver && b->Driver)
{
if (strcmp(a->Driver, b->Driver) != 0)
return FALSE;
}
else if (a->Driver != b->Driver)
return FALSE;
if (a->Permissive && b->Permissive)
return strcmp(a->Permissive, b->Permissive) == 0;
return a->Permissive == b->Permissive;
}
case RDPDR_DTYP_PARALLEL:
{
const RDPDR_PARALLEL* a = (const RDPDR_PARALLEL*)what;
const RDPDR_PARALLEL* b = (const RDPDR_PARALLEL*)expect;
if (a->Path && b->Path)
return strcmp(a->Path, b->Path) == 0;
return a->Path == b->Path;
}
case RDPDR_DTYP_SMARTCARD:
break;
case RDPDR_DTYP_FILESYSTEM:
{
const RDPDR_DRIVE* a = (const RDPDR_DRIVE*)what;
const RDPDR_DRIVE* b = (const RDPDR_DRIVE*)expect;
if (a->automount != b->automount)
return FALSE;
if (a->Path && b->Path)
return strcmp(a->Path, b->Path) == 0;
return a->Path == b->Path;
}
default:
return FALSE;
}
return TRUE;
}
char* freerdp_rail_support_flags_to_string(UINT32 flags, char* buffer, size_t length)
{
const UINT32 mask =
RAIL_LEVEL_SUPPORTED | RAIL_LEVEL_DOCKED_LANGBAR_SUPPORTED |
RAIL_LEVEL_SHELL_INTEGRATION_SUPPORTED | RAIL_LEVEL_LANGUAGE_IME_SYNC_SUPPORTED |
RAIL_LEVEL_SERVER_TO_CLIENT_IME_SYNC_SUPPORTED | RAIL_LEVEL_HIDE_MINIMIZED_APPS_SUPPORTED |
RAIL_LEVEL_WINDOW_CLOAKING_SUPPORTED | RAIL_LEVEL_HANDSHAKE_EX_SUPPORTED;
if (flags & RAIL_LEVEL_SUPPORTED)
winpr_str_append("RAIL_LEVEL_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_DOCKED_LANGBAR_SUPPORTED)
winpr_str_append("RAIL_LEVEL_DOCKED_LANGBAR_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_SHELL_INTEGRATION_SUPPORTED)
winpr_str_append("RAIL_LEVEL_SHELL_INTEGRATION_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_LANGUAGE_IME_SYNC_SUPPORTED)
winpr_str_append("RAIL_LEVEL_LANGUAGE_IME_SYNC_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_SERVER_TO_CLIENT_IME_SYNC_SUPPORTED)
winpr_str_append("RAIL_LEVEL_SERVER_TO_CLIENT_IME_SYNC_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_HIDE_MINIMIZED_APPS_SUPPORTED)
winpr_str_append("RAIL_LEVEL_HIDE_MINIMIZED_APPS_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_WINDOW_CLOAKING_SUPPORTED)
winpr_str_append("RAIL_LEVEL_WINDOW_CLOAKING_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_HANDSHAKE_EX_SUPPORTED)
winpr_str_append("RAIL_LEVEL_HANDSHAKE_EX_SUPPORTED", buffer, length, "|");
if (flags & RAIL_LEVEL_LANGUAGE_IME_SYNC_SUPPORTED)
winpr_str_append("RAIL_LEVEL_LANGUAGE_IME_SYNC_SUPPORTED", buffer, length, "|");
if ((flags & ~mask) != 0)
{
char tbuffer[64] = { 0 };
_snprintf(tbuffer, sizeof(tbuffer), "RAIL_FLAG_UNKNOWN 0x%08" PRIx32, flags & mask);
winpr_str_append(tbuffer, buffer, length, "|");
}
return buffer;
}
BOOL freerdp_settings_update_from_caps(rdpSettings* settings, const BYTE* capsFlags,
const BYTE** capsData, const UINT32* capsSizes,
UINT32 capsCount, BOOL serverReceivedCaps)
{
UINT32 x;
WINPR_ASSERT(settings);
WINPR_ASSERT(capsFlags || (capsCount == 0));
WINPR_ASSERT(capsData || (capsCount == 0));
WINPR_ASSERT(capsSizes || (capsCount == 0));
WINPR_ASSERT(capsCount <= UINT16_MAX);
for (x = 0; x < capsCount; x++)
{
if (capsFlags[x])
{
wStream buffer;
wStream* sub = Stream_StaticConstInit(&buffer, capsData[x], capsSizes[x]);
if (!rdp_read_capability_set(sub, (UINT16)x, settings, serverReceivedCaps))
return FALSE;
}
}
return TRUE;
}
const char* freerdp_rdp_version_string(UINT32 version)
{
switch (version)
{
case RDP_VERSION_4:
return "RDP_VERSION_4";
case RDP_VERSION_5_PLUS:
return "RDP_VERSION_5_PLUS";
case RDP_VERSION_10_0:
return "RDP_VERSION_10_0";
case RDP_VERSION_10_1:
return "RDP_VERSION_10_1";
case RDP_VERSION_10_2:
return "RDP_VERSION_10_2";
case RDP_VERSION_10_3:
return "RDP_VERSION_10_3";
case RDP_VERSION_10_4:
return "RDP_VERSION_10_4";
case RDP_VERSION_10_5:
return "RDP_VERSION_10_5";
case RDP_VERSION_10_6:
return "RDP_VERSION_10_6";
case RDP_VERSION_10_7:
return "RDP_VERSION_10_7";
case RDP_VERSION_10_8:
return "RDP_VERSION_10_8";
case RDP_VERSION_10_9:
return "RDP_VERSION_10_9";
case RDP_VERSION_10_10:
return "RDP_VERSION_10_10";
case RDP_VERSION_10_11:
return "RDP_VERSION_10_11";
case RDP_VERSION_10_12:
return "RDP_VERSION_10_12";
default:
return "RDP_VERSION_UNKNOWN";
}
}
BOOL freerdp_settings_set_string_from_utf16(rdpSettings* settings, FreeRDP_Settings_Keys_String id,
const WCHAR* param)
{
WINPR_ASSERT(settings);
if (!param)
return freerdp_settings_set_string_copy_(settings, id, NULL, 0, TRUE);
size_t len = 0;
char* str = ConvertWCharToUtf8Alloc(param, &len);
if (!str && (len != 0))
return FALSE;
return freerdp_settings_set_string_(settings, id, str, len);
}
BOOL freerdp_settings_set_string_from_utf16N(rdpSettings* settings, FreeRDP_Settings_Keys_String id,
const WCHAR* param, size_t length)
{
size_t len = 0;
WINPR_ASSERT(settings);
if (!param)
return freerdp_settings_set_string_copy_(settings, id, NULL, length, TRUE);
char* str = ConvertWCharNToUtf8Alloc(param, length, &len);
if (!str && (length != 0))
{
/* If the input string is an empty string, but length > 0
* consider the conversion a success */
const size_t wlen = _wcsnlen(param, length);
if (wlen != 0)
return FALSE;
}
return freerdp_settings_set_string_(settings, id, str, len);
}
WCHAR* freerdp_settings_get_string_as_utf16(const rdpSettings* settings,
FreeRDP_Settings_Keys_String id, size_t* pCharLen)
{
const char* str = freerdp_settings_get_string(settings, id);
if (pCharLen)
*pCharLen = 0;
if (!str)
return NULL;
return ConvertUtf8ToWCharAlloc(str, pCharLen);
}
const char* freerdp_rdpdr_dtyp_string(UINT32 type)
{
switch (type)
{
case RDPDR_DTYP_FILESYSTEM:
return "RDPDR_DTYP_FILESYSTEM";
case RDPDR_DTYP_PARALLEL:
return "RDPDR_DTYP_PARALLEL";
case RDPDR_DTYP_PRINT:
return "RDPDR_DTYP_PRINT";
case RDPDR_DTYP_SERIAL:
return "RDPDR_DTYP_SERIAL";
case RDPDR_DTYP_SMARTCARD:
return "RDPDR_DTYP_SMARTCARD";
default:
return "RDPDR_DTYP_UNKNOWN";
}
}
const char* freerdp_encryption_level_string(UINT32 EncryptionLevel)
{
switch (EncryptionLevel)
{
case ENCRYPTION_LEVEL_NONE:
return "ENCRYPTION_LEVEL_NONE";
case ENCRYPTION_LEVEL_LOW:
return "ENCRYPTION_LEVEL_LOW";
case ENCRYPTION_LEVEL_CLIENT_COMPATIBLE:
return "ENCRYPTION_LEVEL_CLIENT_COMPATIBLE";
case ENCRYPTION_LEVEL_HIGH:
return "ENCRYPTION_LEVEL_HIGH";
case ENCRYPTION_LEVEL_FIPS:
return "ENCRYPTION_LEVEL_FIPS";
default:
return "ENCRYPTION_LEVEL_UNKNOWN";
}
}
const char* freerdp_encryption_methods_string(UINT32 EncryptionMethods, char* buffer, size_t size)
{
if (EncryptionMethods == ENCRYPTION_METHOD_NONE)
{
winpr_str_append("ENCRYPTION_METHOD_NONE", buffer, size, "|");
return buffer;
}
if (EncryptionMethods & ENCRYPTION_METHOD_40BIT)
{
winpr_str_append("ENCRYPTION_METHOD_40BIT", buffer, size, "|");
}
if (EncryptionMethods & ENCRYPTION_METHOD_128BIT)
{
winpr_str_append("ENCRYPTION_METHOD_128BIT", buffer, size, "|");
}
if (EncryptionMethods & ENCRYPTION_METHOD_56BIT)
{
winpr_str_append("ENCRYPTION_METHOD_56BIT", buffer, size, "|");
}
if (EncryptionMethods & ENCRYPTION_METHOD_FIPS)
{
winpr_str_append("ENCRYPTION_METHOD_FIPS", buffer, size, "|");
}
return buffer;
}
const char* freerdp_supported_color_depths_string(UINT16 mask, char* buffer, size_t size)
{
const UINT32 invalid = mask & ~(RNS_UD_32BPP_SUPPORT | RNS_UD_24BPP_SUPPORT |
RNS_UD_16BPP_SUPPORT | RNS_UD_15BPP_SUPPORT);
if (mask & RNS_UD_32BPP_SUPPORT)
winpr_str_append("RNS_UD_32BPP_SUPPORT", buffer, size, "|");
if (mask & RNS_UD_24BPP_SUPPORT)
winpr_str_append("RNS_UD_24BPP_SUPPORT", buffer, size, "|");
if (mask & RNS_UD_16BPP_SUPPORT)
winpr_str_append("RNS_UD_16BPP_SUPPORT", buffer, size, "|");
if (mask & RNS_UD_15BPP_SUPPORT)
winpr_str_append("RNS_UD_15BPP_SUPPORT", buffer, size, "|");
if (invalid != 0)
{
char str[32] = { 0 };
_snprintf(str, sizeof(str), "RNS_UD_INVALID[0x%04" PRIx32 "]", invalid);
winpr_str_append(str, buffer, size, "|");
}
char hex[32] = { 0 };
_snprintf(hex, sizeof(hex), "[0x%04" PRIx16 "]", mask);
return buffer;
}
BOOL freerdp_settings_append_string(rdpSettings* settings, FreeRDP_Settings_Keys_String id,
const char* separator, const char* param)
{
const char* old = freerdp_settings_get_string(settings, id);
size_t len = 0;
char* str = NULL;
if (!old)
winpr_asprintf(&str, &len, "%s", param);
else if (!separator)
winpr_asprintf(&str, &len, "%s%s", old, param);
else
winpr_asprintf(&str, &len, "%s%s%s", old, separator, param);
const BOOL rc = freerdp_settings_set_string_len(settings, id, str, len);
free(str);
return rc;
}
BOOL freerdp_settings_are_valid(const rdpSettings* settings)
{
return settings != NULL;
}
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