static int drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s) { int pos; int status; UINT32 ChannelId; wStream* data_out; int channel_status; if (drdynvc->state == DRDYNVC_STATE_CAPABILITIES) { /** * For some reason the server does not always send the * capabilities pdu as it should. When this happens, * send a capabilities response. */ drdynvc->version = 3; drdynvc_send_capability_response(drdynvc); drdynvc->state = DRDYNVC_STATE_READY; } ChannelId = drdynvc_read_variable_uint(s, cbChId); pos = Stream_GetPosition(s); DEBUG_DVC("ChannelId=%d ChannelName=%s", ChannelId, Stream_Pointer(s)); channel_status = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) Stream_Pointer(s)); data_out = Stream_New(NULL, pos + 4); Stream_Write_UINT8(data_out, 0x10 | cbChId); Stream_SetPosition(s, 1); Stream_Copy(data_out, s, pos - 1); if (channel_status == 0) { DEBUG_DVC("channel created"); Stream_Write_UINT32(data_out, 0); } else { DEBUG_DVC("no listener"); Stream_Write_UINT32(data_out, (UINT32)(-1)); } status = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out); if (status != CHANNEL_RC_OK) { DEBUG_WARN("VirtualChannelWrite failed %d", status); return 1; } if (channel_status == 0) { dvcman_open_channel(drdynvc->channel_mgr, ChannelId); } return 0; }
static int process_CREATE_REQUEST_PDU(drdynvcPlugin * plugin, int Sp, int cbChId, char * data, int data_size) { int pos; int error; int size; char * out_data; uint32 ChannelId; pos = 1; ChannelId = get_variable_uint(cbChId, data, &pos); LLOGLN(10, ("process_CREATE_REQUEST_PDU: ChannelId=%d ChannelName=%s", ChannelId, data + pos)); size = pos + 4; out_data = (char *) malloc(size); SET_UINT8(out_data, 0, 0x10 | cbChId); memcpy(out_data + 1, data + 1, pos - 1); error = dvcman_create_channel(plugin->channel_mgr, ChannelId, data + pos); if (error == 0) { LLOGLN(10, ("process_CREATE_REQUEST_PDU: channel created")); SET_UINT32(out_data, pos, 0); } else { LLOGLN(10, ("process_CREATE_REQUEST_PDU: no listener")); SET_UINT32(out_data, pos, (uint32)(-1)); } hexdump(out_data, size); error = plugin->ep.pVirtualChannelWrite(plugin->open_handle, out_data, size, out_data); if (error != CHANNEL_RC_OK) { LLOGLN(0, ("process_CREATE_REQUEST_PDU: " "VirtualChannelWrite " "failed %d", error)); return 1; } return 0; }
static int drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, STREAM* s) { int pos; int error; UINT32 ChannelId; STREAM* data_out; ChannelId = drdynvc_read_variable_uint(s, cbChId); pos = stream_get_pos(s); DEBUG_DVC("ChannelId=%d ChannelName=%s", ChannelId, stream_get_tail(s)); error = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) stream_get_tail(s)); data_out = stream_new(pos + 4); stream_write_BYTE(data_out, 0x10 | cbChId); stream_set_pos(s, 1); stream_copy(data_out, s, pos - 1); if (error == 0) { DEBUG_DVC("channel created"); stream_write_UINT32(data_out, 0); } else { DEBUG_DVC("no listener"); stream_write_UINT32(data_out, (UINT32)(-1)); } error = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out); if (error != CHANNEL_RC_OK) { DEBUG_WARN("VirtualChannelWrite failed %d", error); return 1; } return 0; }
static int drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s) { int pos; int status; UINT32 ChannelId; wStream* data_out; ChannelId = drdynvc_read_variable_uint(s, cbChId); pos = Stream_GetPosition(s); DEBUG_DVC("ChannelId=%d ChannelName=%s", ChannelId, Stream_Pointer(s)); status = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) Stream_Pointer(s)); data_out = Stream_New(NULL, pos + 4); Stream_Write_UINT8(data_out, 0x10 | cbChId); Stream_SetPosition(s, 1); Stream_Copy(data_out, s, pos - 1); if (status == 0) { DEBUG_DVC("channel created"); Stream_Write_UINT32(data_out, 0); } else { DEBUG_DVC("no listener"); Stream_Write_UINT32(data_out, (UINT32)(-1)); } status = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out); if (status != CHANNEL_RC_OK) { DEBUG_WARN("VirtualChannelWrite failed %d", status); return 1; } return 0; }
/** * Function description * * @return 0 on success, otherwise a Win32 error code */ static UINT drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s) { size_t pos; UINT status; UINT32 ChannelId; wStream* data_out; UINT channel_status; char* name; size_t length; if (!drdynvc) return CHANNEL_RC_BAD_CHANNEL_HANDLE; if (drdynvc->state == DRDYNVC_STATE_CAPABILITIES) { /** * For some reason the server does not always send the * capabilities pdu as it should. When this happens, * send a capabilities response. */ drdynvc->version = 3; if ((status = drdynvc_send_capability_response(drdynvc))) { WLog_Print(drdynvc->log, WLOG_ERROR, "drdynvc_send_capability_response failed!"); return status; } drdynvc->state = DRDYNVC_STATE_READY; } if (Stream_GetRemainingLength(s) < drdynvc_cblen_to_bytes(cbChId)) return ERROR_INVALID_DATA; ChannelId = drdynvc_read_variable_uint(s, cbChId); pos = Stream_GetPosition(s); name = (char*)Stream_Pointer(s); length = Stream_GetRemainingLength(s); if (strnlen(name, length) >= length) return ERROR_INVALID_DATA; WLog_Print(drdynvc->log, WLOG_DEBUG, "process_create_request: ChannelId=%"PRIu32" ChannelName=%s", ChannelId, name); channel_status = dvcman_create_channel(drdynvc, drdynvc->channel_mgr, ChannelId, name); data_out = Stream_New(NULL, pos + 4); if (!data_out) { WLog_Print(drdynvc->log, WLOG_ERROR, "Stream_New failed!"); return CHANNEL_RC_NO_MEMORY; } Stream_Write_UINT8(data_out, 0x10 | cbChId); Stream_SetPosition(s, 1); Stream_Copy(s, data_out, pos - 1); if (channel_status == CHANNEL_RC_OK) { WLog_Print(drdynvc->log, WLOG_DEBUG, "channel created"); Stream_Write_UINT32(data_out, 0); } else { WLog_Print(drdynvc->log, WLOG_DEBUG, "no listener"); Stream_Write_UINT32(data_out, (UINT32)0xC0000001); /* same code used by mstsc */ } status = drdynvc_send(drdynvc, data_out); if (status != CHANNEL_RC_OK) { WLog_Print(drdynvc->log, WLOG_ERROR, "VirtualChannelWriteEx failed with %s [%08"PRIX32"]", WTSErrorToString(status), status); return status; } if (channel_status == CHANNEL_RC_OK) { if ((status = dvcman_open_channel(drdynvc, drdynvc->channel_mgr, ChannelId))) { WLog_Print(drdynvc->log, WLOG_ERROR, "dvcman_open_channel failed with error %"PRIu32"!", status); return status; } } else { if ((status = dvcman_close_channel(drdynvc->channel_mgr, ChannelId))) WLog_Print(drdynvc->log, WLOG_ERROR, "dvcman_close_channel failed with error %"PRIu32"!", status); } return status; }
/** * Function description * * @return 0 on success, otherwise a Win32 error code */ static UINT drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s) { unsigned long pos; UINT status; UINT32 ChannelId; wStream* data_out; UINT channel_status; if (drdynvc->state == DRDYNVC_STATE_CAPABILITIES) { /** * For some reason the server does not always send the * capabilities pdu as it should. When this happens, * send a capabilities response. */ drdynvc->version = 3; if ((status = drdynvc_send_capability_response(drdynvc))) { WLog_ERR(TAG, "drdynvc_send_capability_response failed!"); return status; } drdynvc->state = DRDYNVC_STATE_READY; } ChannelId = drdynvc_read_variable_uint(s, cbChId); pos = Stream_GetPosition(s); WLog_DBG(TAG, "process_create_request: ChannelId=%d ChannelName=%s", ChannelId, Stream_Pointer(s)); channel_status = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) Stream_Pointer(s)); data_out = Stream_New(NULL, pos + 4); if (!s) { WLog_ERR(TAG, "Stream_New failed!"); return CHANNEL_RC_NO_MEMORY; } Stream_Write_UINT8(data_out, 0x10 | cbChId); Stream_SetPosition(s, 1); Stream_Copy(s, data_out, pos - 1); if (channel_status == CHANNEL_RC_OK) { WLog_DBG(TAG, "channel created"); Stream_Write_UINT32(data_out, 0); } else { WLog_DBG(TAG, "no listener"); Stream_Write_UINT32(data_out, (UINT32) 0xC0000001); /* same code used by mstsc */ } status = drdynvc_send(drdynvc, data_out); if (status != CHANNEL_RC_OK) { WLog_ERR(TAG, "VirtualChannelWrite failed with %s [%08X]", WTSErrorToString(status), status); return status; } if (channel_status == CHANNEL_RC_OK) { if ((status = dvcman_open_channel(drdynvc->channel_mgr, ChannelId))) { WLog_ERR(TAG, "dvcman_open_channel failed with error %lu!", status); return status; } } else { if ((status = dvcman_close_channel(drdynvc->channel_mgr, ChannelId))) WLog_ERR(TAG, "dvcman_close_channel failed with error %lu!", status); } return status; }