Adding getSystemRoot function (#2386)

Adding a cross platform function for getting the OS root
and returning it as a boost::fs::path

include/osquery/filesystem.h

@@ -185,6 +185,19 @@ Status resolveFilePattern(const boost::filesystem::path& pattern,
                           std::vector<std::string>& results,
                           GlobLimits setting);
 
+/**
+ * @brief Returns the OS root system directory.
+ *
+ * Some applications store configuration and application data inside of the
+ * Windows directory. This function retrieves the path to the current
+ * configurations Windows location.
+ *
+ * On POSIX systems this returns "/".
+ *
+ * @return an instance of fs::path, containing the OS root location.
+ */
+boost::filesystem::path getSystemRoot();
+
 /**
  * @brief Transform a path with SQL wildcards to globbing wildcard.
  *

osquery/filesystem/filesystem.cpp

@@ -295,6 +295,16 @@ Status resolveFilePattern(const fs::path& fs_path,
   return Status(0, "OK");
 }
 
+fs::path getSystemRoot() {
+#ifdef WIN32
+  char winDirectory[MAX_PATH] = {0};
+  GetWindowsDirectory(winDirectory, MAX_PATH);
+  return fs::path(winDirectory);
+#else
+  return fs::path("/");
+#endif
+}
+
 inline void replaceGlobWildcards(std::string& pattern, GlobLimits limits) {
   // Replace SQL-wildcard '%' with globbing wildcard '*'.
   if (pattern.find("%") != std::string::npos) {

tools/audit.sh

@@ -32,21 +32,23 @@ function check_format() {
 
 function audit() {
   log "Running various code/change audits!"
+
+  echo ""
   log "Initializing and updating all submodules"
   checkout_thirdparty
 
-  # Check the docs creation
   echo ""
-  log "Running: make docs"
-  make docs
+  log "Running: make format"
+  check_format
 
   echo ""
   log "Running: make check"
   make check
 
+  # Check the docs creation
   echo ""
-  log "Running: make format"
-  check_format
+  log "Running: make docs"
+  make docs
 }
 
 audit