diff options
Diffstat (limited to 'server/Windows/wf_peer.c')
-rw-r--r-- | server/Windows/wf_peer.c | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/server/Windows/wf_peer.c b/server/Windows/wf_peer.c new file mode 100644 index 0000000..4342a3b --- /dev/null +++ b/server/Windows/wf_peer.c @@ -0,0 +1,414 @@ +/** + * FreeRDP: A Remote Desktop Protocol Client + * FreeRDP Windows Server + * + * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com> + * Copyright 2012 Corey Clayton <can.of.tuna@gmail.com> + * + * 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 <winpr/assert.h> +#include <winpr/tchar.h> +#include <winpr/stream.h> +#include <winpr/windows.h> + +#include <freerdp/listener.h> +#include <freerdp/codec/rfx.h> +#include <freerdp/build-config.h> +#include <freerdp/crypto/certificate.h> + +#include "wf_info.h" +#include "wf_input.h" +#include "wf_mirage.h" +#include "wf_update.h" +#include "wf_settings.h" +#include "wf_rdpsnd.h" + +#include "wf_peer.h" +#include <freerdp/peer.h> + +#include <freerdp/log.h> +#define TAG SERVER_TAG("windows") + +#define SERVER_KEY "Software\\" FREERDP_VENDOR_STRING "\\" FREERDP_PRODUCT_STRING + +static DWORD WINAPI wf_peer_main_loop(LPVOID lpParam); + +static BOOL wf_peer_context_new(freerdp_peer* client, rdpContext* ctx) +{ + wfPeerContext* context = (wfPeerContext*)ctx; + WINPR_ASSERT(context); + + if (!(context->info = wf_info_get_instance())) + return FALSE; + + context->vcm = WTSOpenServerA((LPSTR)client->context); + + if (!context->vcm || context->vcm == INVALID_HANDLE_VALUE) + return FALSE; + + if (!wf_info_peer_register(context->info, context)) + { + WTSCloseServer(context->vcm); + context->vcm = NULL; + return FALSE; + } + + return TRUE; +} + +static void wf_peer_context_free(freerdp_peer* client, rdpContext* ctx) +{ + wfPeerContext* context = (wfPeerContext*)ctx; + WINPR_ASSERT(context); + + wf_info_peer_unregister(context->info, context); + + if (context->rdpsnd) + { + wf_rdpsnd_lock(); + context->info->snd_stop = TRUE; + rdpsnd_server_context_free(context->rdpsnd); + wf_rdpsnd_unlock(); + } + + WTSCloseServer(context->vcm); +} + +static BOOL wf_peer_init(freerdp_peer* client) +{ + client->ContextSize = sizeof(wfPeerContext); + client->ContextNew = wf_peer_context_new; + client->ContextFree = wf_peer_context_free; + return freerdp_peer_context_new(client); +} + +static BOOL wf_peer_post_connect(freerdp_peer* client) +{ + wfInfo* wfi; + rdpSettings* settings; + wfPeerContext* context; + + WINPR_ASSERT(client); + + context = (wfPeerContext*)client->context; + WINPR_ASSERT(context); + + wfi = context->info; + WINPR_ASSERT(wfi); + + settings = client->context->settings; + WINPR_ASSERT(settings); + + if ((get_screen_info(wfi->screenID, NULL, 0, &wfi->servscreen_width, &wfi->servscreen_height, + &wfi->bitsPerPixel) == 0) || + (wfi->servscreen_width == 0) || (wfi->servscreen_height == 0) || (wfi->bitsPerPixel == 0)) + { + WLog_ERR(TAG, "postconnect: error getting screen info for screen %d", wfi->screenID); + WLog_ERR(TAG, "\t%dx%dx%d", wfi->servscreen_height, wfi->servscreen_width, + wfi->bitsPerPixel); + return FALSE; + } + + if ((freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth) != wfi->servscreen_width) || + (freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight) != wfi->servscreen_height)) + { + /* + WLog_DBG(TAG, "Client requested resolution %"PRIu32"x%"PRIu32", but will resize to %dx%d", + freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth), + freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight), wfi->servscreen_width, + wfi->servscreen_height); + */ + if (!freerdp_settings_set_uint32(settings, FreeRDP_DesktopWidth, wfi->servscreen_width) || + !freerdp_settings_set_uint32(settings, FreeRDP_DesktopHeight, wfi->servscreen_height) || + !freerdp_settings_set_uint32(settings, FreeRDP_ColorDepth, wfi->bitsPerPixel)) + return FALSE; + + WINPR_ASSERT(client->context->update); + WINPR_ASSERT(client->context->update->DesktopResize); + client->context->update->DesktopResize(client->context); + } + + if (WTSVirtualChannelManagerIsChannelJoined(context->vcm, "rdpsnd")) + { + wf_peer_rdpsnd_init(context); /* Audio Output */ + } + + return TRUE; +} + +static BOOL wf_peer_activate(freerdp_peer* client) +{ + wfInfo* wfi; + wfPeerContext* context = (wfPeerContext*)client->context; + wfi = context->info; + client->activated = TRUE; + wf_update_peer_activate(wfi, context); + wfreerdp_server_peer_callback_event(((rdpContext*)context)->peer->pId, + FREERDP_SERVER_WIN_SRV_CALLBACK_EVENT_ACTIVATE); + return TRUE; +} + +static BOOL wf_peer_logon(freerdp_peer* client, const SEC_WINNT_AUTH_IDENTITY* identity, + BOOL automatic) +{ + wfreerdp_server_peer_callback_event(((rdpContext*)client->context)->peer->pId, + FREERDP_SERVER_WIN_SRV_CALLBACK_EVENT_AUTH); + return TRUE; +} + +static BOOL wf_peer_synchronize_event(rdpInput* input, UINT32 flags) +{ + return TRUE; +} + +BOOL wf_peer_accepted(freerdp_listener* instance, freerdp_peer* client) +{ + HANDLE hThread; + + if (!(hThread = CreateThread(NULL, 0, wf_peer_main_loop, client, 0, NULL))) + return FALSE; + + CloseHandle(hThread); + return TRUE; +} + +static DWORD WINAPI wf_peer_socket_listener(LPVOID lpParam) +{ + wfPeerContext* context; + freerdp_peer* client = (freerdp_peer*)lpParam; + + WINPR_ASSERT(client); + WINPR_ASSERT(client->GetEventHandles); + WINPR_ASSERT(client->CheckFileDescriptor); + + context = (wfPeerContext*)client->context; + WINPR_ASSERT(context); + + while (1) + { + DWORD status; + HANDLE handles[MAXIMUM_WAIT_OBJECTS] = { 0 }; + DWORD count = client->GetEventHandles(client, handles, ARRAYSIZE(handles)); + + if (count == 0) + { + WLog_ERR(TAG, "Failed to get FreeRDP file descriptor"); + break; + } + + status = WaitForMultipleObjects(count, handles, FALSE, INFINITE); + if (status == WAIT_FAILED) + { + WLog_ERR(TAG, "WaitForMultipleObjects failed"); + break; + } + + SetEvent(context->socketEvent); + WaitForSingleObject(context->socketSemaphore, INFINITE); + + if (context->socketClose) + break; + } + + return 0; +} + +static BOOL wf_peer_read_settings(freerdp_peer* client) +{ + rdpSettings* settings; + + WINPR_ASSERT(client); + WINPR_ASSERT(client->context); + + settings = client->context->settings; + WINPR_ASSERT(settings); + + char* CertificateFile = NULL; + if (!wf_settings_read_string_ascii(HKEY_LOCAL_MACHINE, SERVER_KEY, _T("CertificateFile"), + &(CertificateFile))) + CertificateFile = _strdup("server.crt"); + + rdpCertificate* cert = freerdp_certificate_new_from_file(CertificateFile); + free(CertificateFile); + if (!cert) + return FALSE; + + if (!freerdp_settings_set_pointer_len(settings, FreeRDP_RdpServerCertificate, cert, 1)) + return FALSE; + + char* PrivateKeyFile = NULL; + if (!wf_settings_read_string_ascii(HKEY_LOCAL_MACHINE, SERVER_KEY, _T("PrivateKeyFile"), + &(PrivateKeyFile))) + PrivateKeyFile = _strdup("server.key"); + + rdpPrivateKey* key = freerdp_key_new_from_file(PrivateKeyFile); + free(PrivateKeyFile); + + if (!key) + return FALSE; + + if (!freerdp_settings_set_pointer_len(settings, FreeRDP_RdpServerRsaKey, key, 1)) + return FALSE; + + return TRUE; +} + +DWORD WINAPI wf_peer_main_loop(LPVOID lpParam) +{ + wfInfo* wfi; + DWORD nCount; + DWORD status; + HANDLE handles[32]; + rdpSettings* settings; + wfPeerContext* context; + freerdp_peer* client = (freerdp_peer*)lpParam; + + if (!wf_peer_init(client)) + goto fail_peer_init; + + WINPR_ASSERT(client->context); + + settings = client->context->settings; + WINPR_ASSERT(settings); + + if (!freerdp_settings_set_bool(settings, FreeRDP_RemoteFxCodec, TRUE)) + goto fail_peer_init; + if (!freerdp_settings_set_uint32(settings, FreeRDP_ColorDepth, 32)) + goto fail_peer_init; + if (!freerdp_settings_set_bool(settings, FreeRDP_NSCodec, FALSE)) + goto fail_peer_init; + if (!freerdp_settings_set_bool(settings, FreeRDP_JpegCodec, FALSE)) + goto fail_peer_init; + + if (!wf_peer_read_settings(client)) + goto fail_peer_init; + + client->PostConnect = wf_peer_post_connect; + client->Activate = wf_peer_activate; + client->Logon = wf_peer_logon; + + WINPR_ASSERT(client->context->input); + client->context->input->SynchronizeEvent = wf_peer_synchronize_event; + client->context->input->KeyboardEvent = wf_peer_keyboard_event; + client->context->input->UnicodeKeyboardEvent = wf_peer_unicode_keyboard_event; + client->context->input->MouseEvent = wf_peer_mouse_event; + client->context->input->ExtendedMouseEvent = wf_peer_extended_mouse_event; + + WINPR_ASSERT(client->Initialize); + if (!client->Initialize(client)) + goto fail_client_initialize; + + context = (wfPeerContext*)client->context; + + if (context->socketClose) + goto fail_socked_closed; + + wfi = context->info; + + if (wfi->input_disabled) + { + WLog_INFO(TAG, "client input is disabled"); + client->context->input->KeyboardEvent = wf_peer_keyboard_event_dummy; + client->context->input->UnicodeKeyboardEvent = wf_peer_unicode_keyboard_event_dummy; + client->context->input->MouseEvent = wf_peer_mouse_event_dummy; + client->context->input->ExtendedMouseEvent = wf_peer_extended_mouse_event_dummy; + } + + if (!(context->socketEvent = CreateEvent(NULL, TRUE, FALSE, NULL))) + goto fail_socket_event; + + if (!(context->socketSemaphore = CreateSemaphore(NULL, 0, 1, NULL))) + goto fail_socket_semaphore; + + if (!(context->socketThread = CreateThread(NULL, 0, wf_peer_socket_listener, client, 0, NULL))) + goto fail_socket_thread; + + WLog_INFO(TAG, "We've got a client %s", client->local ? "(local)" : client->hostname); + nCount = 0; + handles[nCount++] = context->updateEvent; + handles[nCount++] = context->socketEvent; + + while (1) + { + status = WaitForMultipleObjects(nCount, handles, FALSE, INFINITE); + + if ((status == WAIT_FAILED) || (status == WAIT_TIMEOUT)) + { + WLog_ERR(TAG, "WaitForMultipleObjects failed"); + break; + } + + if (WaitForSingleObject(context->updateEvent, 0) == 0) + { + if (client->activated) + wf_update_peer_send(wfi, context); + + ResetEvent(context->updateEvent); + ReleaseSemaphore(wfi->updateSemaphore, 1, NULL); + } + + if (WaitForSingleObject(context->socketEvent, 0) == 0) + { + if (client->CheckFileDescriptor(client) != TRUE) + { + WLog_ERR(TAG, "Failed to check peer file descriptor"); + context->socketClose = TRUE; + } + + ResetEvent(context->socketEvent); + ReleaseSemaphore(context->socketSemaphore, 1, NULL); + + if (context->socketClose) + break; + } + + // force disconnect + if (wfi->force_all_disconnect == TRUE) + { + WLog_INFO(TAG, "Forcing Disconnect -> "); + break; + } + + /* FIXME: we should wait on this, instead of calling it every time */ + if (WTSVirtualChannelManagerCheckFileDescriptor(context->vcm) != TRUE) + break; + } + + WLog_INFO(TAG, "Client %s disconnected.", client->local ? "(local)" : client->hostname); + + if (WaitForSingleObject(context->updateEvent, 0) == 0) + { + ResetEvent(context->updateEvent); + ReleaseSemaphore(wfi->updateSemaphore, 1, NULL); + } + + wf_update_peer_deactivate(wfi, context); + client->Disconnect(client); +fail_socket_thread: + CloseHandle(context->socketSemaphore); + context->socketSemaphore = NULL; +fail_socket_semaphore: + CloseHandle(context->socketEvent); + context->socketEvent = NULL; +fail_socket_event: +fail_socked_closed: +fail_client_initialize: + freerdp_peer_context_free(client); +fail_peer_init: + freerdp_peer_free(client); + return 0; +} |