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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 01:24:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 01:24:41 +0000 |
commit | a9bcc81f821d7c66f623779fa5147e728eb3c388 (patch) | |
tree | 98676963bcdd537ae5908a067a8eb110b93486a6 /channels/rdpdr/client/devman.c | |
parent | Initial commit. (diff) | |
download | freerdp3-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.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/channels/rdpdr/client/devman.c b/channels/rdpdr/client/devman.c new file mode 100644 index 0000000..7c9e3ff --- /dev/null +++ b/channels/rdpdr/client/devman.c @@ -0,0 +1,236 @@ +/** + * 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); +} |