Add m-esr52 at 52.6.0

1 files changed, 241 insertions, 0 deletions

diff --git a/other-licenses/nsis/Contrib/ServicesHelper/Services.cpp b/other-licenses/nsis/Contrib/ServicesHelper/Services.cpp
new file mode 100644
index 000000000..5c3d2fe59
--- /dev/null
+++ b/other-licenses/nsis/Contrib/ServicesHelper/Services.cpp
@@ -0,0 +1,241 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <windows.h>
+#include "../../../../toolkit/mozapps/update/common/pathhash.h"
+
+#pragma comment(lib, "advapi32.lib") 
+
+typedef struct _stack_t {
+  struct _stack_t *next;
+  TCHAR text[MAX_PATH];
+} stack_t;
+
+int popstring(stack_t **stacktop, LPTSTR str, int len);
+void pushstring(stack_t **stacktop, LPCTSTR str, int len);
+
+/**
+ * Determines if the specified service exists or not
+ *
+ * @param  serviceName The name of the service to check
+ * @param  exists      Whether or not the service exists 
+ * @return TRUE if there were no errors
+ */
+static BOOL
+IsServiceInstalled(LPCWSTR serviceName, BOOL &exists)
+{
+  exists = FALSE;
+
+  // Get a handle to the local computer SCM database with full access rights.
+  SC_HANDLE serviceManager = OpenSCManager(NULL, NULL, 
+                                           SC_MANAGER_ENUMERATE_SERVICE);
+  if (!serviceManager) {
+    return FALSE;
+  }
+
+  SC_HANDLE serviceHandle = OpenServiceW(serviceManager, 
+                                         serviceName, 
+                                         SERVICE_QUERY_CONFIG);
+  if (!serviceHandle && GetLastError() != ERROR_SERVICE_DOES_NOT_EXIST) {
+    CloseServiceHandle(serviceManager);
+    return FALSE;
+  }
+ 
+  if (serviceHandle) {
+    CloseServiceHandle(serviceHandle);
+    exists = TRUE;
+  } 
+
+  CloseServiceHandle(serviceManager);
+  return TRUE;
+}
+
+/**
+ * Determines if the specified service is installed or not
+ * 
+ * @param  stacktop  A pointer to the top of the stack
+ * @param  variables A pointer to the NSIS variables
+ * @return 0 if the service does not exist
+ *         1 if the service does exist
+ *         -1 if there was an error.
+ */
+extern "C" void __declspec(dllexport)
+IsInstalled(HWND hwndParent, int string_size, 
+            TCHAR *variables, stack_t **stacktop, void *extra)
+{
+  TCHAR tmp[MAX_PATH] = { L'\0' };
+  WCHAR serviceName[MAX_PATH] = { '\0' };
+  popstring(stacktop, tmp, MAX_PATH);
+
+#if !defined(UNICODE)
+    MultiByteToWideChar(CP_ACP, 0, tmp, -1, serviceName, MAX_PATH);
+#else
+    wcscpy(serviceName, tmp);
+#endif
+
+  BOOL serviceInstalled;
+  if (!IsServiceInstalled(serviceName, serviceInstalled)) {
+    pushstring(stacktop, TEXT("-1"), 3);
+  } else {
+    pushstring(stacktop, serviceInstalled ? TEXT("1") : TEXT("0"), 2);
+  }
+}
+
+/**
+ * Stops the specified service.
+ * 
+ * @param  serviceName The name of the service to stop
+ * @return TRUE if the operation was successful 
+ */
+static BOOL
+StopService(LPCWSTR serviceName)
+{
+  // Get a handle to the local computer SCM database with full access rights.
+  SC_HANDLE serviceManager = OpenSCManager(NULL, NULL, 
+                                           SC_MANAGER_ENUMERATE_SERVICE);
+  if (!serviceManager) {
+    return FALSE;
+  }
+
+  SC_HANDLE serviceHandle = OpenServiceW(serviceManager, 
+                                         serviceName, 
+                                         SERVICE_STOP);
+  if (!serviceHandle) {
+    CloseServiceHandle(serviceManager);
+    return FALSE;
+  }
+
+  //Stop the service so it deletes faster and so the uninstaller
+  // can actually delete its EXE.
+  DWORD totalWaitTime = 0;
+  SERVICE_STATUS status;
+  static const int maxWaitTime = 1000 * 60; // Never wait more than a minute
+  BOOL stopped = FALSE;
+  if (ControlService(serviceHandle, SERVICE_CONTROL_STOP, &status)) {
+    do {
+      Sleep(status.dwWaitHint);
+      // + 10 milliseconds to make sure we always approach maxWaitTime
+      totalWaitTime += (status.dwWaitHint + 10);
+      if (status.dwCurrentState == SERVICE_STOPPED) {
+        stopped = true;
+        break;
+      } else if (totalWaitTime > maxWaitTime) {
+        break;
+      }
+    } while (QueryServiceStatus(serviceHandle, &status));
+  }
+
+  CloseServiceHandle(serviceHandle);
+  CloseServiceHandle(serviceManager);
+  return stopped;
+}
+
+/**
+ * Stops the specified service
+ * 
+ * @param  stacktop  A pointer to the top of the stack
+ * @param  variables A pointer to the NSIS variables 
+ * @return 1 if the service was stopped, 0 on error
+ */
+extern "C" void __declspec(dllexport)
+Stop(HWND hwndParent, int string_size, 
+     TCHAR *variables, stack_t **stacktop, void *extra)
+{
+  TCHAR tmp[MAX_PATH] = { L'\0' };
+  WCHAR serviceName[MAX_PATH] = { '\0' };
+
+  popstring(stacktop, tmp, MAX_PATH);
+
+#if !defined(UNICODE)
+    MultiByteToWideChar(CP_ACP, 0, tmp, -1, serviceName, MAX_PATH);
+#else
+    wcscpy(serviceName, tmp);
+#endif
+
+  if (StopService(serviceName)) {
+    pushstring(stacktop, TEXT("1"), 2);
+  } else {
+    pushstring(stacktop, TEXT("0"), 2);
+  }
+}
+
+/**
+ * Determines a unique registry path from a file or directory path
+ * 
+ * @param  stacktop  A pointer to the top of the stack
+ * @param  variables A pointer to the NSIS variables 
+ * @return The unique registry path or an empty string on error
+ */
+extern "C" void __declspec(dllexport)
+PathToUniqueRegistryPath(HWND hwndParent, int string_size, 
+                         TCHAR *variables, stack_t **stacktop, 
+                         void *extra)
+{
+  TCHAR tmp[MAX_PATH] = { L'\0' };
+  WCHAR installBasePath[MAX_PATH] = { '\0' };
+  popstring(stacktop, tmp, MAX_PATH);
+
+#if !defined(UNICODE)
+    MultiByteToWideChar(CP_ACP, 0, tmp, -1, installBasePath, MAX_PATH);
+#else
+    wcscpy(installBasePath, tmp);
+#endif
+
+  WCHAR registryPath[MAX_PATH + 1] = { '\0' };
+  if (CalculateRegistryPathFromFilePath(installBasePath, registryPath)) {
+    pushstring(stacktop, registryPath, wcslen(registryPath) + 1);
+  } else {
+    pushstring(stacktop, TEXT(""), 1);
+  }
+}
+
+BOOL WINAPI 
+DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+{
+  return TRUE;
+}
+
+/**
+ * Removes an element from the top of the NSIS stack
+ *
+ * @param  stacktop A pointer to the top of the stack
+ * @param  str      The string to pop to
+ * @param  len      The max length
+ * @return 0 on success
+*/
+int popstring(stack_t **stacktop, TCHAR *str, int len)
+{
+  // Removes the element from the top of the stack and puts it in the buffer
+  stack_t *th;
+  if (!stacktop || !*stacktop) {
+    return 1;
+  }
+
+  th = (*stacktop);
+  lstrcpyn(str,th->text, len);
+  *stacktop = th->next;
+  GlobalFree((HGLOBAL)th);
+  return 0;
+}
+
+/**
+ * Adds an element to the top of the NSIS stack
+ *
+ * @param  stacktop A pointer to the top of the stack
+ * @param  str      The string to push on the stack
+ * @param  len      The length of the string to push on the stack
+ * @return 0 on success
+*/
+void pushstring(stack_t **stacktop, const TCHAR *str, int len)
+{
+  stack_t *th;
+  if (!stacktop) { 
+    return;
+  }
+
+  th = (stack_t*)GlobalAlloc(GPTR, sizeof(stack_t) + len);
+  lstrcpyn(th->text, str, len);
+  th->next = *stacktop;
+  *stacktop = th;
+}