Merge tag 'v1.1.10'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vscodium/policy-watcher",
-  "version": "1.1.8-2501211616",
+  "version": "1.1.10-2503041159",
   "description": "",
   "main": "index.js",
   "repository": {

src/windows/NumberPolicy.cc

@@ -8,9 +8,9 @@
 using namespace Napi;
 
 NumberPolicy::NumberPolicy(const std::string name, const std::string &vendorName, const std::string &productName)
-    : RegistryPolicy(name, vendorName, productName, REG_QWORD) {}
+    : RegistryPolicy(name, vendorName, productName, {REG_QWORD}) {}
 
-long long NumberPolicy::parseRegistryValue(LPBYTE buffer, DWORD bufferSize) const
+long long NumberPolicy::parseRegistryValue(LPBYTE buffer, DWORD bufferSize, DWORD type) const
 {
   return *reinterpret_cast<long long *>(buffer);
 }

src/windows/NumberPolicy.hh

@@ -18,7 +18,7 @@ public:
   NumberPolicy(const std::string name, const std::string &vendorName, const std::string &productName);
 
 protected:
-  long long parseRegistryValue(LPBYTE buffer, DWORD bufferSize) const;
+  long long parseRegistryValue(LPBYTE buffer, DWORD bufferSize, DWORD type) const;
   Value getJSValue(Env env, long long value) const;
 };
 

src/windows/RegistryPolicy.hh

@@ -9,6 +9,8 @@
 #include <napi.h>
 #include <windows.h>
 #include <optional>
+#include <vector>
+#include <algorithm>
 #include "../Policy.hh"
 
 using namespace Napi;
@@ -17,10 +19,10 @@ template <typename T>
 class RegistryPolicy : public Policy
 {
 public:
-  RegistryPolicy(const std::string name, const std::string &vendorName, const std::string &productName, const DWORD regType)
+  RegistryPolicy(const std::string name, const std::string &vendorName, const std::string &productName, const std::vector<DWORD>& types)
       : Policy(name),
         registryKey("Software\\Policies\\" + vendorName + "\\" + productName),
-        regType(regType) {}
+        supportedTypes(types) {}
 
   bool refresh()
   {
@@ -57,12 +59,12 @@ public:
   }
 
 protected:
-  virtual T parseRegistryValue(LPBYTE buffer, DWORD bufferSize) const = 0;
+  virtual T parseRegistryValue(LPBYTE buffer, DWORD bufferSize, DWORD type) const = 0;
   virtual Value getJSValue(Env env, T value) const = 0;
 
 private:
   const std::string registryKey;
-  const DWORD regType;
+  const std::vector<DWORD> supportedTypes;
   std::optional<T> value;
 
   std::optional<T> read(HKEY root)
@@ -72,17 +74,32 @@ private:
     if (ERROR_SUCCESS != RegOpenKeyEx(root, registryKey.c_str(), 0, KEY_READ, &hKey))
       return std::nullopt;
 
-    BYTE buffer[1024];
+    DWORD bufferSize = 0;
-    DWORD bufferSize = sizeof(buffer);
     DWORD type;
 
-    auto readResult = RegQueryValueEx(hKey, name.c_str(), 0, &type, buffer, &bufferSize);
+    // First query to get required buffer size
+    auto result = RegQueryValueEx(hKey, name.c_str(), 0, &type, nullptr, &bufferSize);
+
+    if (ERROR_SUCCESS != result && ERROR_MORE_DATA != result)
+    {
+      RegCloseKey(hKey);
+      return std::nullopt;
+    }
+
+    if (std::find(supportedTypes.begin(), supportedTypes.end(), type) == supportedTypes.end())
+    {
+      RegCloseKey(hKey);
+      return std::nullopt;
+    }
+
+    std::vector<BYTE> buffer(bufferSize);
+    result = RegQueryValueEx(hKey, name.c_str(), 0, &type, buffer.data(), &bufferSize);
     RegCloseKey(hKey);
 
-    if (ERROR_SUCCESS != readResult || type != regType)
+    if (ERROR_SUCCESS != result)
       return std::nullopt;
 
-    return std::optional<T>{parseRegistryValue(buffer, bufferSize)};
+    return std::optional<T>{parseRegistryValue(buffer.data(), bufferSize, type)};
   }
 };
 

src/windows/StringPolicy.cc

@@ -8,10 +8,31 @@
 using namespace Napi;
 
 StringPolicy::StringPolicy(const std::string name, const std::string &vendorName, const std::string &productName)
-    : RegistryPolicy(name, vendorName, productName, REG_SZ) {}
+    : RegistryPolicy(name, vendorName, productName, {REG_SZ, REG_MULTI_SZ}) {}
 
-std::string StringPolicy::parseRegistryValue(LPBYTE buffer, DWORD bufferSize) const
+std::string StringPolicy::parseRegistryValue(LPBYTE buffer, DWORD bufferSize, DWORD type) const
 {
+  if (type == REG_MULTI_SZ)
+  {
+    std::string result;
+    const char *current = reinterpret_cast<char *>(buffer);
+    const char *end = reinterpret_cast<char *>(buffer) + bufferSize;
+
+    while (current < end && *current != '\0')
+    {
+      std::string line(current);
+      if (!result.empty())
+      {
+        result += '\n';
+      }
+      result += line;
+      current += line.length() + 1; // Skip past null terminator
+    }
+
+    return result;
+  }
+
+  // REG_SZ handling
   return std::string(reinterpret_cast<char *>(buffer), bufferSize - 1);
 }
 

src/windows/StringPolicy.hh

@@ -18,7 +18,7 @@ public:
   StringPolicy(const std::string name, const std::string &vendorName, const std::string &productName);
 
 protected:
-  std::string parseRegistryValue(LPBYTE buffer, DWORD bufferSize) const;
+  std::string parseRegistryValue(LPBYTE buffer, DWORD bufferSize, DWORD type) const;
   Value getJSValue(Env env, std::string value) const;
 };