从github上下载了freerdp的源码，然后整个也编译过了，不知道怎么用api实现，看了下例子，有这个函数——freerdp_client_settings_parse_command_line，入参是从main函数传入的argc argv 不知道传什么，我是这么用的：
./process -u login -p passwd host:port
主机、端口、用户名、密码完全正确但是报错了：日志如下：
[19:15:14:929] [29607:29613] [ERROR][com.freerdp.crypto] - The host key for 172.18.0.173:3389 has changed
[19:15:14:930] [29607:29613] [ERROR][com.freerdp.crypto] - @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[19:15:14:930] [29607:29613] [ERROR][com.freerdp.crypto] - @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
[19:15:14:931] [29607:29613] [ERROR][com.freerdp.crypto] - @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[19:15:14:931] [29607:29613] [ERROR][com.freerdp.crypto] - IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
[19:15:14:931] [29607:29613] [ERROR][com.freerdp.crypto] - Someone could be eavesdropping on you right now (man-in-the-middle attack)!
[19:15:14:932] [29607:29613] [ERROR][com.freerdp.crypto] - It is also possible that a host key has just been changed.
[19:15:14:932] [29607:29613] [ERROR][com.freerdp.crypto] - The fingerprint for the host key sent by the remote host is89:4e:4a:31:5f:11:6b:78:b6:1d:0b:7c:95:2a:34:14:a4:8d:d3:fd
[19:15:14:933] [29607:29613] [ERROR][com.freerdp.crypto] - Please contact your system administrator.
[19:15:14:933] [29607:29613] [ERROR][com.freerdp.crypto] - Add correct host key in /root/.config/freerdp/known_hosts2 to get rid of this message.
[19:15:14:933] [29607:29613] [ERROR][com.freerdp.crypto] - Host key for 172.18.0.173 has changed and you have requested strict checking.
[19:15:14:934] [29607:29613] [ERROR][com.freerdp.crypto] - Host key verification failed.
[19:15:14:934] [29607:29613] [ERROR][com.freerdp.crypto] - certificate not trusted, aborting.
[19:15:14:934] [29607:29613] [ERROR][com.freerdp.core] - freerdp_set_last_error ERRCONNECT_CONNECT_CANCELLED [0x0002000B]
[19:15:14:934] [29607:29613] [ERROR][com.freerdp.core.connection] - Error: protocol security negotiation or connection failure
[19:15:14:935] [29607:29613] [ERROR][com.freerdp.client.sample] - connection failure
使用的freerdp版本是2.0.0，例子是用/freerdp2/client/Sample/freerdp.c 这个源文件编出来的。
请大神支持啊~！感激不尽！！！！
以下是freerdp.c的源码：
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Test UI
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2016 Armin Novak <armin.novak@thincast.com>
* Copyright 2016 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/client/file.h>
#include <freerdp/client/cmdline.h>
#include <freerdp/client/cliprdr.h>
#include <freerdp/client/channels.h>
#include <freerdp/channels/channels.h>
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <freerdp/log.h>
#define TAG CLIENT_TAG("sample")
struct tf_context
{
rdpContext _p;
};
typedef struct tf_context tfContext;
static BOOL tf_context_new(freerdp* instance, rdpContext* context)
{
return TRUE;
}
static void tf_context_free(freerdp* instance, rdpContext* context)
{
}
static BOOL tf_begin_paint(rdpContext* context)
{
rdpGdi* gdi = context->gdi;
gdi->primary->hdc->hwnd->invalid->null = TRUE;
return TRUE;
}
static BOOL tf_end_paint(rdpContext* context)
{
rdpGdi* gdi = context->gdi;
if (gdi->primary->hdc->hwnd->invalid->null)
return TRUE;
return TRUE;
}
static BOOL tf_pre_connect(freerdp* instance)
{
rdpSettings* settings;
settings = instance->settings;
settings->OrderSupport[NEG_DSTBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_PATBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_SCRBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_OPAQUE_RECT_INDEX] = TRUE;
settings->OrderSupport[NEG_DRAWNINEGRID_INDEX] = TRUE;
settings->OrderSupport[NEG_MULTIDSTBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_MULTIPATBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_MULTISCRBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_MULTIOPAQUERECT_INDEX] = TRUE;
settings->OrderSupport[NEG_MULTI_DRAWNINEGRID_INDEX] = TRUE;
settings->OrderSupport[NEG_LINETO_INDEX] = TRUE;
settings->OrderSupport[NEG_POLYLINE_INDEX] = TRUE;
settings->OrderSupport[NEG_MEMBLT_INDEX] = TRUE;
settings->OrderSupport[NEG_MEM3BLT_INDEX] = TRUE;
settings->OrderSupport[NEG_SAVEBITMAP_INDEX] = TRUE;
settings->OrderSupport[NEG_GLYPH_INDEX_INDEX] = TRUE;
settings->OrderSupport[NEG_FAST_INDEX_INDEX] = TRUE;
settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = TRUE;
settings->OrderSupport[NEG_POLYGON_SC_INDEX] = TRUE;
settings->OrderSupport[NEG_POLYGON_CB_INDEX] = TRUE;
settings->OrderSupport[NEG_ELLIPSE_SC_INDEX] = TRUE;
settings->OrderSupport[NEG_ELLIPSE_CB_INDEX] = TRUE;
return TRUE;
}
static BOOL tf_post_connect(freerdp* instance)
{
if (!gdi_init(instance, PIXEL_FORMAT_XRGB32))
return FALSE;
instance->update->BeginPaint = tf_begin_paint;
instance->update->EndPaint = tf_end_paint;
return TRUE;
}
static void* tf_client_thread_proc(freerdp* instance)
{
DWORD nCount;
DWORD status;
HANDLE handles[64];
if (!freerdp_connect(instance))
{
WLog_ERR(TAG, "connection failure");
return NULL;
}
while (!freerdp_shall_disconnect(instance))
{
nCount = freerdp_get_event_handles(instance->context, &handles[0], 64);
if (nCount == 0)
{
WLog_ERR(TAG, "%s: freerdp_get_event_handles failed", __FUNCTION__);
break;
}
status = WaitForMultipleObjects(nCount, handles, FALSE, 100);
if (status == WAIT_FAILED)
{
WLog_ERR(TAG, "%s: WaitForMultipleObjects failed with %"PRIu32"", __FUNCTION__,
status);
break;
}
if (!freerdp_check_event_handles(instance->context))
{
WLog_ERR(TAG, "Failed to check FreeRDP event handles");
break;
}
}
freerdp_disconnect(instance);
ExitThread(0);
return NULL;
}
//gcc freerdp.c -I ../../include/ -I ../../winpr/include/ -L ../../libs/ -lfreerdp2 -lfreerdp-client2 -lwinpr2 -g
int main(int argc, char* argv[])
{
int status;
HANDLE thread;
freerdp* instance;
instance = freerdp_new();
wLog *root = WLog_GetRoot();
WLog_SetStringLogLevel(root, "ERROR");
if (!instance)
{
WLog_ERR(TAG, "Couldn't create instance");
exit(1);
}
instance->PreConnect = tf_pre_connect;
instance->PostConnect = tf_post_connect;
instance->ContextSize = sizeof(tfContext);
instance->ContextNew = tf_context_new;
instance->ContextFree = tf_context_free;
freerdp_register_addin_provider(freerdp_channels_load_static_addin_entry, 0);
if (!freerdp_context_new(instance))
{
WLog_ERR(TAG, "Couldn't create context");
exit(1);
}
status = freerdp_client_settings_parse_command_line(instance->settings, argc,
argv, FALSE);
if (status < 0)
{
printf("freerdp_client_settings_parse_command_line failed,exit!\n");
exit(0);
}
if (!freerdp_client_load_addins(instance->context->channels,
instance->settings))
exit(-1);
if (!(thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)
tf_client_thread_proc, instance, 0, NULL)))
{
WLog_ERR(TAG, "Failed to create client thread");
}
else
{
WaitForSingleObject(thread, INFINITE);
}
freerdp_context_free(instance);
freerdp_free(instance);
return 0;
}
