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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 01:24:41 +0000
commita9bcc81f821d7c66f623779fa5147e728eb3c388 (patch)
tree98676963bcdd537ae5908a067a8eb110b93486a6 /channels/rdpdr/client/devman.c
parentInitial commit. (diff)
downloadfreerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz
freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'channels/rdpdr/client/devman.c')
-rw-r--r--channels/rdpdr/client/devman.c236
1 files changed, 236 insertions, 0 deletions
diff --git a/channels/rdpdr/client/devman.c b/channels/rdpdr/client/devman.c
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+++ b/channels/rdpdr/client/devman.c
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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Device Redirection Virtual Channel
+ *
+ * Copyright 2010-2011 Vic Lee
+ * Copyright 2010-2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * Copyright 2015 Thincast Technologies GmbH
+ * Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
+ * Copyright 2016 Armin Novak <armin.novak@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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <winpr/crt.h>
+#include <winpr/stream.h>
+
+#include <freerdp/types.h>
+#include <freerdp/addin.h>
+#include <freerdp/client/channels.h>
+#include <freerdp/channels/log.h>
+
+#include "rdpdr_main.h"
+
+#include "devman.h"
+
+#define TAG CHANNELS_TAG("rdpdr.client")
+
+static void devman_device_free(void* obj)
+{
+ DEVICE* device = (DEVICE*)obj;
+
+ if (!device)
+ return;
+
+ IFCALL(device->Free, device);
+}
+
+DEVMAN* devman_new(rdpdrPlugin* rdpdr)
+{
+ DEVMAN* devman = NULL;
+
+ if (!rdpdr)
+ return NULL;
+
+ devman = (DEVMAN*)calloc(1, sizeof(DEVMAN));
+
+ if (!devman)
+ {
+ WLog_Print(rdpdr->log, WLOG_INFO, "calloc failed!");
+ return NULL;
+ }
+
+ devman->plugin = (void*)rdpdr;
+ devman->id_sequence = 1;
+ devman->devices = ListDictionary_New(TRUE);
+
+ if (!devman->devices)
+ {
+ WLog_Print(rdpdr->log, WLOG_INFO, "ListDictionary_New failed!");
+ free(devman);
+ return NULL;
+ }
+
+ ListDictionary_ValueObject(devman->devices)->fnObjectFree = devman_device_free;
+ return devman;
+}
+
+void devman_free(DEVMAN* devman)
+{
+ ListDictionary_Free(devman->devices);
+ free(devman);
+}
+
+void devman_unregister_device(DEVMAN* devman, void* key)
+{
+ DEVICE* device = NULL;
+
+ if (!devman || !key)
+ return;
+
+ device = (DEVICE*)ListDictionary_Take(devman->devices, key);
+
+ if (device)
+ devman_device_free(device);
+}
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+static UINT devman_register_device(DEVMAN* devman, DEVICE* device)
+{
+ void* key = NULL;
+
+ if (!devman || !device)
+ return ERROR_INVALID_PARAMETER;
+
+ device->id = devman->id_sequence++;
+ key = (void*)(size_t)device->id;
+
+ if (!ListDictionary_Add(devman->devices, key, device))
+ {
+ WLog_INFO(TAG, "ListDictionary_Add failed!");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ return CHANNEL_RC_OK;
+}
+
+DEVICE* devman_get_device_by_id(DEVMAN* devman, UINT32 id)
+{
+ DEVICE* device = NULL;
+ void* key = (void*)(size_t)id;
+
+ if (!devman)
+ {
+ WLog_ERR(TAG, "device manager=%p", devman);
+ return NULL;
+ }
+
+ device = (DEVICE*)ListDictionary_GetItemValue(devman->devices, key);
+ if (!device)
+ WLog_WARN(TAG, "could not find device ID 0x%08" PRIx32, id);
+ return device;
+}
+
+DEVICE* devman_get_device_by_type(DEVMAN* devman, UINT32 type)
+{
+ DEVICE* device = NULL;
+ ULONG_PTR* keys = NULL;
+
+ if (!devman)
+ return NULL;
+
+ ListDictionary_Lock(devman->devices);
+ const size_t count = ListDictionary_GetKeys(devman->devices, &keys);
+
+ for (size_t x = 0; x < count; x++)
+ {
+ DEVICE* cur = (DEVICE*)ListDictionary_GetItemValue(devman->devices, (void*)keys[x]);
+
+ if (!cur)
+ continue;
+
+ if (cur->type != type)
+ continue;
+
+ device = cur;
+ break;
+ }
+
+ free(keys);
+ ListDictionary_Unlock(devman->devices);
+ return device;
+}
+
+static const char DRIVE_SERVICE_NAME[] = "drive";
+static const char PRINTER_SERVICE_NAME[] = "printer";
+static const char SMARTCARD_SERVICE_NAME[] = "smartcard";
+static const char SERIAL_SERVICE_NAME[] = "serial";
+static const char PARALLEL_SERVICE_NAME[] = "parallel";
+
+/**
+ * Function description
+ *
+ * @return 0 on success, otherwise a Win32 error code
+ */
+UINT devman_load_device_service(DEVMAN* devman, const RDPDR_DEVICE* device, rdpContext* rdpcontext)
+{
+ const char* ServiceName = NULL;
+ DEVICE_SERVICE_ENTRY_POINTS ep;
+ PDEVICE_SERVICE_ENTRY entry = NULL;
+ union
+ {
+ const RDPDR_DEVICE* cdp;
+ RDPDR_DEVICE* dp;
+ } devconv;
+
+ devconv.cdp = device;
+ if (!devman || !device || !rdpcontext)
+ return ERROR_INVALID_PARAMETER;
+
+ if (device->Type == RDPDR_DTYP_FILESYSTEM)
+ ServiceName = DRIVE_SERVICE_NAME;
+ else if (device->Type == RDPDR_DTYP_PRINT)
+ ServiceName = PRINTER_SERVICE_NAME;
+ else if (device->Type == RDPDR_DTYP_SMARTCARD)
+ ServiceName = SMARTCARD_SERVICE_NAME;
+ else if (device->Type == RDPDR_DTYP_SERIAL)
+ ServiceName = SERIAL_SERVICE_NAME;
+ else if (device->Type == RDPDR_DTYP_PARALLEL)
+ ServiceName = PARALLEL_SERVICE_NAME;
+
+ if (!ServiceName)
+ {
+ WLog_INFO(TAG, "ServiceName %s did not match!", ServiceName);
+ return ERROR_INVALID_NAME;
+ }
+
+ if (device->Name)
+ WLog_INFO(TAG, "Loading device service %s [%s] (static)", ServiceName, device->Name);
+ else
+ WLog_INFO(TAG, "Loading device service %s (static)", ServiceName);
+
+ entry = (PDEVICE_SERVICE_ENTRY)freerdp_load_channel_addin_entry(ServiceName, NULL,
+ "DeviceServiceEntry", 0);
+
+ if (!entry)
+ {
+ WLog_INFO(TAG, "freerdp_load_channel_addin_entry failed!");
+ return ERROR_INTERNAL_ERROR;
+ }
+
+ ep.devman = devman;
+ ep.RegisterDevice = devman_register_device;
+ ep.device = devconv.dp;
+ ep.rdpcontext = rdpcontext;
+ return entry(&ep);
+}