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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2012-2013
* Copyright (C) Laxmikant Rashinkar 2012-2013
*
* 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.
*
* sample program to demonstrate use of xrdpapi
*
*/
/*
* build instructions:
* gcc simple.c -o simple -L./.libs -lxrdpapi
*/
#if defined(HAVE_CONFIG_H)
#include <config_ac.h>
#endif
#ifdef __WIN32__
#include <mstsapi.h>
#endif
#include "xrdpapi.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
/* forward declarations */
int run_echo_test(void);
int run_tsmf_test(void);
int
main(int argc, char **argv)
{
if (argc < 2)
{
printf("usage: simple <echo|tsmf>\n");
return 1;
}
if (strcasecmp(argv[1], "echo") == 0)
{
return run_echo_test();
}
else if (strcasecmp(argv[1], "tsmf") == 0)
{
return run_tsmf_test();
}
else
{
printf("usage: simple <echo|tsmf>\n");
return 1;
}
}
/**
* perform an ECHO test with a Microsoft Windows RDP client
*
* A Microsoft Windows RDP client echos data written
* to a dynamic virtual channel named ECHO
*
* NOTE: THIS TEST WILL FAIL IF CONNECTED FROM A NON
* WINDOWS RDP CLIENT
*
* @return 0 on success, -1 on failure
*/
int
run_echo_test(void)
{
char out_buf[8192];
char in_buf[1700];
void *channel;
int bytes_left;
int rv;
int count;
int pkt_count;
int i;
int bytes_written;
int bytes_read;
unsigned char c;
unsigned char *rd_ptr;
unsigned char *wr_ptr;
/* fill out_buf[] with incremental values */
for (i = 0, c = 0; i < 8192; i++, c++)
{
out_buf[i] = c;
}
/* open a virtual channel named ECHO */
channel = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "ECHO", WTS_CHANNEL_OPTION_DYNAMIC_PRI_LOW);
if (channel == NULL)
{
printf("### WTSVirtualChannelOpenEx() failed!\n");
return -1;
}
bytes_left = 8192;
wr_ptr = out_buf;
rd_ptr = out_buf;
pkt_count = 1;
while (bytes_left > 0)
{
/* write data to virtual channel */
count = (bytes_left > 1700) ? 1700 : bytes_left;
rv = WTSVirtualChannelWrite(channel, wr_ptr, count, &bytes_written);
if ((rv == 0) || (bytes_written == 0))
{
printf("### WTSVirtualChannelWrite() failed\n");
return -1;
}
count = bytes_written;
while (count)
{
/* read back the echo */
rv = WTSVirtualChannelRead(channel, 5000, in_buf, count, &bytes_read);
if ((rv == 0) || (bytes_read == 0))
{
printf("### WTSVirtualChannelRead() failed\n");
return -1;
}
/* validate the echo */
for (i = 0; i < bytes_read; i++, rd_ptr++)
{
if (*rd_ptr != (unsigned char) in_buf[i])
{
printf("### data mismatch: expected 0x%x got 0x%x\n",
(unsigned char) *rd_ptr, (unsigned char) in_buf[i]);
return -1;
}
}
count -= bytes_read;
}
bytes_left -= bytes_written;
wr_ptr += bytes_written;
printf("### pkt %d passed echo test\n", pkt_count++);
}
WTSVirtualChannelClose(channel);
return 0;
}
int
run_tsmf_test(void)
{
void *channel;
printf("this test not yet implemented!\n");
return 1;
/* open virtual channel */
channel = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "TSMF", WTS_CHANNEL_OPTION_DYNAMIC_PRI_LOW);
if (channel == NULL)
{
printf("### WTSVirtualChannelOpenEx() failed!\n");
return 1;
}
WTSVirtualChannelClose(channel);
return 0;
}
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