mirror of
https://github.com/morgan9e/FreeRDP
synced 2026-04-15 00:44:19 +09:00
libfreerdp-common: refactoring of addin loader
This commit is contained in:
Marc-André Moreau
41
libfreerdp/common/CMakeLists.txt
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41
libfreerdp/common/CMakeLists.txt
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# FreeRDP: A Remote Desktop Protocol Implementation
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# libfreerdp-common cmake build script
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#
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# Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set(MODULE_NAME "freerdp-common")
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set(MODULE_PREFIX "FREERDP_COMMON")
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set(${MODULE_PREFIX}_SRCS
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addin.c)
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add_complex_library(MODULE ${MODULE_NAME} TYPE "OBJECT"
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MONOLITHIC ${MONOLITHIC_BUILD}
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SOURCES ${${MODULE_PREFIX}_SRCS})
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set_target_properties(${MODULE_NAME} PROPERTIES VERSION ${FREERDP_VERSION_FULL} SOVERSION ${FREERDP_VERSION} PREFIX "lib")
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set_complex_link_libraries(VARIABLE ${MODULE_PREFIX}_LIBS MONOLITHIC ${MONOLITHIC_BUILD}
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MODULE winpr
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MODULES winpr-crt winpr-path winpr-file winpr-utils)
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if(MONOLITHIC_BUILD)
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set(FREERDP_LIBS ${FREERDP_LIBS} ${${MODULE_PREFIX}_LIBS} PARENT_SCOPE)
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else()
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target_link_libraries(${MODULE_NAME} ${${MODULE_PREFIX}_LIBS})
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install(TARGETS ${MODULE_NAME} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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endif()
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set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "FreeRDP/libfreerdp")
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237
libfreerdp/common/addin.c
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237
libfreerdp/common/addin.c
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Addin Loader
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <winpr/crt.h>
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#include <winpr/path.h>
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#include <winpr/library.h>
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#include <freerdp/addin.h>
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LPCSTR gAddinPath = FREERDP_ADDIN_PATH;
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LPCSTR gLibraryPath = FREERDP_LIBRARY_PATH;
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LPCSTR gInstallPrefix = FREERDP_INSTALL_PREFIX;
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LPSTR freerdp_get_library_install_path()
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{
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LPSTR pszPath;
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size_t cchPath;
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size_t cchLibraryPath;
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size_t cchInstallPrefix;
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cchLibraryPath = strlen(gLibraryPath);
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cchInstallPrefix = strlen(gInstallPrefix);
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cchPath = cchInstallPrefix + cchLibraryPath + 2;
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pszPath = (LPSTR) malloc(cchPath + 1);
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CopyMemory(pszPath, gInstallPrefix, cchInstallPrefix);
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pszPath[cchInstallPrefix] = '\0';
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NativePathCchAppendA(pszPath, cchPath + 1, gLibraryPath);
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return pszPath;
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}
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LPSTR freerdp_get_dynamic_addin_install_path()
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{
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LPSTR pszPath;
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size_t cchPath;
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size_t cchAddinPath;
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size_t cchInstallPrefix;
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cchAddinPath = strlen(gAddinPath);
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cchInstallPrefix = strlen(gInstallPrefix);
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cchPath = cchInstallPrefix + cchAddinPath + 2;
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pszPath = (LPSTR) malloc(cchPath + 1);
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CopyMemory(pszPath, gInstallPrefix, cchInstallPrefix);
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pszPath[cchInstallPrefix] = '\0';
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NativePathCchAppendA(pszPath, cchPath + 1, gAddinPath);
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return pszPath;
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}
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void* freerdp_load_dynamic_addin(LPCSTR pszFileName, LPCSTR pszPath, LPCSTR pszEntryName)
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{
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void* entry;
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BOOL bHasExt;
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PCSTR pszExt;
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size_t cchExt;
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HINSTANCE library;
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size_t cchFileName;
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LPSTR pszFilePath;
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size_t cchFilePath;
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LPSTR pszAddinFile;
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size_t cchAddinFile;
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LPSTR pszAddinInstallPath;
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size_t cchAddinInstallPath;
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entry = NULL;
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cchExt = 0;
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bHasExt = TRUE;
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cchFileName = strlen(pszFileName);
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if (PathCchFindExtensionA(pszFileName, cchFileName + 1, &pszExt) != S_OK)
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{
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pszExt = PathGetSharedLibraryExtensionA(PATH_SHARED_LIB_EXT_WITH_DOT);
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cchExt = strlen(pszExt);
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bHasExt = FALSE;
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}
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pszAddinInstallPath = freerdp_get_dynamic_addin_install_path();
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cchAddinInstallPath = strlen(pszAddinInstallPath);
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cchFilePath = cchAddinInstallPath + cchFileName + 32;
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pszFilePath = (LPSTR) malloc(cchFilePath + 1);
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if (bHasExt)
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{
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pszAddinFile = _strdup(pszFileName);
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cchAddinFile = strlen(pszAddinFile);
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}
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else
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{
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cchAddinFile = cchFileName + cchExt + 2;
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pszAddinFile = (LPSTR) malloc(cchAddinFile + 1);
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sprintf_s(pszAddinFile, cchAddinFile, "%s%s", pszFileName, pszExt);
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cchAddinFile = strlen(pszAddinFile);
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}
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CopyMemory(pszFilePath, pszAddinInstallPath, cchAddinInstallPath);
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pszFilePath[cchAddinInstallPath] = '\0';
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NativePathCchAppendA((LPSTR) pszFilePath, cchFilePath + 1, pszAddinFile);
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library = LoadLibraryA(pszFilePath);
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if (!library)
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return NULL;
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entry = GetProcAddress(library, pszEntryName);
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if (entry)
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return entry;
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free(pszAddinInstallPath);
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free(pszAddinFile);
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return entry;
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}
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void* freerdp_load_dynamic_channel_addin_entry(LPCSTR pszName, LPSTR pszSubsystem, LPSTR pszType, DWORD dwFlags)
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{
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void* entry;
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LPSTR pszFileName;
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size_t cchFileName;
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LPCSTR pszExtension;
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pszExtension = PathGetSharedLibraryExtensionA(0);
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if (pszName && pszSubsystem && pszType)
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{
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cchFileName = strlen(pszName) + strlen(pszSubsystem) + strlen(pszType) + strlen(pszExtension) + 32;
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pszFileName = (LPSTR) malloc(cchFileName);
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sprintf_s(pszFileName, cchFileName, "%s-client-%s-%s.%s", pszName, pszSubsystem, pszType, pszExtension);
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cchFileName = strlen(pszFileName);
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}
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else if (pszName && pszSubsystem)
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{
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cchFileName = strlen(pszName) + strlen(pszSubsystem) + strlen(pszExtension) + 32;
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pszFileName = (LPSTR) malloc(cchFileName);
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sprintf_s(pszFileName, cchFileName, "%s-client-%s.%s", pszName, pszSubsystem, pszExtension);
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cchFileName = strlen(pszFileName);
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}
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else if (pszName)
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{
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cchFileName = strlen(pszName) + strlen(pszExtension) + 32;
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pszFileName = (LPSTR) malloc(cchFileName);
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sprintf_s(pszFileName, cchFileName, "%s-client.%s", pszName, pszExtension);
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cchFileName = strlen(pszFileName);
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}
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else
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{
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return NULL;
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}
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if (pszSubsystem)
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{
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LPSTR pszEntryName;
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size_t cchEntryName;
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/* subsystem add-in */
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cchEntryName = 64 + strlen(pszName);
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pszEntryName = (LPSTR) malloc(cchEntryName + 1);
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sprintf_s(pszEntryName, cchEntryName + 1, "freerdp_%s_client_subsystem_entry", pszName);
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entry = freerdp_load_dynamic_addin(pszFileName, NULL, pszEntryName);
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if (entry)
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return entry;
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}
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else
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{
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/* channel add-in */
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if (dwFlags & FREERDP_ADDIN_CHANNEL_STATIC)
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entry = freerdp_load_dynamic_addin(pszFileName, NULL, "VirtualChannelEntry");
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else if (dwFlags & FREERDP_ADDIN_CHANNEL_DYNAMIC)
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entry = freerdp_load_dynamic_addin(pszFileName, NULL, "DVCPluginEntry");
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else if (dwFlags & FREERDP_ADDIN_CHANNEL_DEVICE)
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entry = freerdp_load_dynamic_addin(pszFileName, NULL, "DeviceServiceEntry");
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else
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entry = freerdp_load_dynamic_addin(pszFileName, NULL, pszType);
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if (entry)
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return entry;
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}
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return NULL;
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}
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static FREERDP_LOAD_CHANNEL_ADDIN_ENTRY_FN freerdp_load_static_channel_addin_entry = NULL;
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int freerdp_register_addin_provider(FREERDP_LOAD_CHANNEL_ADDIN_ENTRY_FN provider, DWORD dwFlags)
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{
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freerdp_load_static_channel_addin_entry = provider;
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return 0;
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}
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void* freerdp_load_channel_addin_entry(LPCSTR pszName, LPSTR pszSubsystem, LPSTR pszType, DWORD dwFlags)
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{
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void* entry = NULL;
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if (freerdp_load_static_channel_addin_entry)
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entry = freerdp_load_static_channel_addin_entry(pszName, pszSubsystem, pszType, dwFlags);
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if (!entry)
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entry = freerdp_load_dynamic_channel_addin_entry(pszName, pszSubsystem, pszType, dwFlags);
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return entry;
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}
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