FreeRDP/server/proxy/pf_utils.c

97 lines
2.3 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Proxy Server
*
* Copyright 2021 Armin Novak <armin.novak@thincast.com>
* * Copyright 2021 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 <winpr/assert.h>
#include <winpr/string.h>
#include <winpr/wtsapi.h>
#include <freerdp/server/proxy/proxy_log.h>
#include "pf_utils.h"
#define TAG PROXY_TAG("utils")
pf_utils_channel_mode pf_utils_get_channel_mode(const proxyConfig* config, const char* name)
{
pf_utils_channel_mode rc = PF_UTILS_CHANNEL_NOT_HANDLED;
size_t i;
BOOL found = FALSE;
WINPR_ASSERT(config);
WINPR_ASSERT(name);
for (i = 0; i < config->InterceptCount; i++)
{
const char* channel_name = config->Intercept[i];
if (strcmp(name, channel_name) == 0)
{
rc = PF_UTILS_CHANNEL_INTERCEPT;
goto end;
}
}
for (i = 0; i < config->PassthroughCount; i++)
{
const char* channel_name = config->Passthrough[i];
if (strcmp(name, channel_name) == 0)
{
found = TRUE;
break;
}
}
if (found)
{
if (config->PassthroughIsBlacklist)
rc = PF_UTILS_CHANNEL_BLOCK;
else
rc = PF_UTILS_CHANNEL_PASSTHROUGH;
}
else if (config->PassthroughIsBlacklist)
rc = PF_UTILS_CHANNEL_PASSTHROUGH;
end:
WLog_DBG(TAG, "%s -> %s", name, pf_utils_channel_mode_string(rc));
return rc;
}
BOOL pf_utils_is_passthrough(const proxyConfig* config)
{
WINPR_ASSERT(config);
/* TODO: For the time being only passthrough mode is supported. */
return TRUE;
}
const char* pf_utils_channel_mode_string(pf_utils_channel_mode mode)
{
switch (mode)
{
case PF_UTILS_CHANNEL_BLOCK:
return "blocked";
case PF_UTILS_CHANNEL_PASSTHROUGH:
return "passthrough";
case PF_UTILS_CHANNEL_INTERCEPT:
return "intercepted";
case PF_UTILS_CHANNEL_NOT_HANDLED:
default:
return "ignored";
}
}