mirror of
https://github.com/microsoft/playwright.git
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135 lines
4.7 KiB
C++
135 lines
4.7 KiB
C++
/**
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MIT License
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Copyright (c) 2020 Julien Waechter
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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/**
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* Copyright Microsoft Corporation. All rights reserved.
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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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#include <iostream>
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#include <map>
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#include <string>
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#include <windows.h>
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#include <Dbghelp.h>
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using DepsMap = std::map<std::string, std::string>;
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std::string getLastErrorString()
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{
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LPTSTR lpMsgBuf;
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DWORD dw = GetLastError();
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL,
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dw,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR)&lpMsgBuf,
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0, NULL);
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std::string result(lpMsgBuf);
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LocalFree(lpMsgBuf);
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return result;
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}
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const DepsMap getDependencies(const HMODULE hMod)
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{
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// See https://docs.microsoft.com/en-us/archive/msdn-magazine/2002/february/inside-windows-win32-portable-executable-file-format-in-detail
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// for PE format description.
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ULONG size;
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PIMAGE_IMPORT_DESCRIPTOR pImportDesc = (PIMAGE_IMPORT_DESCRIPTOR)ImageDirectoryEntryToData(hMod, true, IMAGE_DIRECTORY_ENTRY_IMPORT, &size);
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DepsMap deps;
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// According to https://docs.microsoft.com/en-us/archive/msdn-magazine/2002/march/inside-windows-an-in-depth-look-into-the-win32-portable-executable-file-format-part-2
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// "The end of the IMAGE_IMPORT_DESCRIPTOR array is indicated by an entry with fields all set to 0."
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while (pImportDesc->Name)
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{
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LPCSTR dllName = (LPCSTR)((BYTE*)hMod + pImportDesc->Name);
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std::string dllPath = "not found";
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HMODULE hModDep = LoadLibraryEx(dllName, NULL, DONT_RESOLVE_DLL_REFERENCES | LOAD_LIBRARY_SEARCH_USER_DIRS | LOAD_LIBRARY_SEARCH_SYSTEM32);
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if (hModDep != NULL)
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{
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TCHAR pathBuffer[_MAX_PATH];
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DWORD result = GetModuleFileName(hModDep, pathBuffer, _MAX_PATH);
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if (result == 0) {
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std::cerr << "Failed to get library file name: " << dllName << " Error: " << getLastErrorString() << std::endl;
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}
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dllPath = std::string(pathBuffer);
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FreeLibrary(hModDep);
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}
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deps[std::string(dllName)] = dllPath;
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pImportDesc++;
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}
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return deps;
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}
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int printDependencies(const char* library)
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{
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SetDllDirectoryA(".");
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HMODULE hMod = LoadLibraryEx(library, NULL, DONT_RESOLVE_DLL_REFERENCES | LOAD_LIBRARY_SEARCH_USER_DIRS | LOAD_LIBRARY_SEARCH_SYSTEM32);
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if (hMod == NULL)
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{
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std::cerr << "Failed to load " << library << " Error: " << getLastErrorString() << std::endl;
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return -1;
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}
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const DepsMap& deps = getDependencies(hMod);
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for (const auto iter : deps)
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{
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std::cout << " " << iter.first << " => " << iter.second << std::endl;
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}
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FreeLibrary(hMod);
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return 0;
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}
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int printUsage()
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{
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std::cout << "Version: r" << BUILD_NUMBER << " Usage:\n PrintDeps FILE..." << std::endl;
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return -1;
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}
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int main(int argc, char* argv[])
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{
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if (argc <= 1)
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{
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return printUsage();
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}
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int res = 0;
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for (int i = 1; i < argc; ++i)
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{
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std::cout << argv[i] << std::endl;
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res = printDependencies(argv[i]);
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}
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return res;
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}
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