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authorGeorge Hazan <ghazan@miranda.im>2019-04-25 21:54:06 +0300
committerGeorge Hazan <ghazan@miranda.im>2019-04-25 21:54:06 +0300
commit9482f765a00b1abf1e9cdc28a1854e0ab53809fe (patch)
tree4f28b416f366e51ab1f9d29f49e8e41a1ee291a8 /plugins/PluginUpdater/pu_stub/src/pu_stub.cpp
parent79aec0bb36d36ae672804e85b90da0d74aebb3db (diff)
pu_stub:
- fixes #1930 (crash when launching pu_stub under Windows 7); - unified project for all VS
Diffstat (limited to 'plugins/PluginUpdater/pu_stub/src/pu_stub.cpp')
-rw-r--r--plugins/PluginUpdater/pu_stub/src/pu_stub.cpp116
1 files changed, 116 insertions, 0 deletions
diff --git a/plugins/PluginUpdater/pu_stub/src/pu_stub.cpp b/plugins/PluginUpdater/pu_stub/src/pu_stub.cpp
new file mode 100644
index 0000000000..ff11fd3c11
--- /dev/null
+++ b/plugins/PluginUpdater/pu_stub/src/pu_stub.cpp
@@ -0,0 +1,116 @@
+
+#include "stdafx.h"
+
+#pragma comment(lib, "delayimp.lib")
+
+void log(const wchar_t *tszFormat, ...)
+{
+ #if defined(_DEBUG)
+ FILE *out = fopen("c:\\temp\\pu.log", "a");
+ if (out) {
+ va_list params;
+ va_start(params, tszFormat);
+ vfwprintf(out, tszFormat, params);
+ va_end(params);
+ fputc('\n', out);
+ fclose(out);
+ }
+ #endif
+}
+
+int CreateDirectoryTreeW(const wchar_t* szDir)
+{
+ wchar_t szTestDir[MAX_PATH];
+ lstrcpynW(szTestDir, szDir, MAX_PATH);
+
+ DWORD dwAttributes = GetFileAttributesW(szTestDir);
+ if (dwAttributes != INVALID_FILE_ATTRIBUTES && (dwAttributes & FILE_ATTRIBUTE_DIRECTORY))
+ return 0;
+
+ wchar_t *pszLastBackslash = wcsrchr(szTestDir, '\\');
+ if (pszLastBackslash == nullptr)
+ return 0;
+
+ *pszLastBackslash = '\0';
+ CreateDirectoryTreeW(szTestDir);
+ *pszLastBackslash = '\\';
+ return (CreateDirectoryW(szTestDir, nullptr) == 0) ? GetLastError() : 0;
+}
+
+void CreatePathToFileW(wchar_t *wszFilePath)
+{
+ wchar_t* pszLastBackslash = wcsrchr(wszFilePath, '\\');
+ if (pszLastBackslash == nullptr)
+ return;
+
+ *pszLastBackslash = '\0';
+ CreateDirectoryTreeW(wszFilePath);
+ *pszLastBackslash = '\\';
+}
+
+int APIENTRY wWinMain(HINSTANCE /*hInstance*/, HINSTANCE, LPTSTR lpCmdLine, int)
+{
+ DWORD dwError;
+
+ wchar_t tszPipeName[MAX_PATH];
+ #if _MSC_VER < 1400
+ swprintf(tszPipeName, L"\\\\.\\pipe\\Miranda_Pu_%s", lpCmdLine);
+ #else
+ swprintf_s(tszPipeName, L"\\\\.\\pipe\\Miranda_Pu_%s", lpCmdLine);
+ #endif
+ log(L"Opening pipe %s...", tszPipeName);
+ HANDLE hPipe = CreateFile(tszPipeName, GENERIC_READ | GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, nullptr);
+ if (hPipe == INVALID_HANDLE_VALUE) {
+ dwError = GetLastError();
+ log(L"Failed to open a pipe: error %d", dwError);
+ return dwError;
+ }
+
+ log(L"Entering the reading cycle...");
+
+ BYTE szReadBuffer[1024] = { 0 };
+ DWORD dwBytes;
+ while (ReadFile(hPipe, szReadBuffer, sizeof(szReadBuffer), &dwBytes, nullptr)) {
+ DWORD dwAction = *(DWORD*)szReadBuffer;
+ wchar_t *ptszFile1 = (wchar_t*)(szReadBuffer + sizeof(DWORD));
+ wchar_t *ptszFile2 = ptszFile1 + wcslen(ptszFile1) + 1;
+ log(L"Received command: %d <%s> <%s>", dwAction, ptszFile1, ptszFile2);
+ switch (dwAction) {
+ case 1: // copy
+ dwError = CopyFile(ptszFile1, ptszFile2, FALSE);
+ break;
+
+ case 2: // move
+ DeleteFile(ptszFile2);
+ if (MoveFile(ptszFile1, ptszFile2) == 0) // use copy on error
+ dwError = CopyFile(ptszFile1, ptszFile2, FALSE);
+ else
+ dwError = 0;
+ DeleteFile(ptszFile1);
+ break;
+
+ case 3: // erase
+ dwError = DeleteFile(ptszFile1);
+ break;
+
+ case 4: // create dir
+ dwError = CreateDirectoryTreeW(ptszFile1);
+ break;
+
+ case 5: // create path to file
+ CreatePathToFileW(ptszFile1);
+ dwError = 0;
+ break;
+
+ default:
+ dwError = ERROR_UNKNOWN_FEATURE;
+ }
+
+ WriteFile(hPipe, &dwError, sizeof(DWORD), &dwBytes, nullptr);
+ }
+
+ dwError = GetLastError();
+ log(L"Pipe is closed (%d), exiting", dwError);
+ CloseHandle(hPipe);
+ return 0;
+}