1 files changed, 54 insertions, 5 deletions
diff --git a/winsup/cygwin/cygheap.h b/winsup/cygwin/cygheap.h
index faa50bf12..779df67d3 100644
--- a/winsup/cygwin/cygheap.h
+++ b/winsup/cygwin/cygheap.h
@@ -39,15 +39,64 @@ struct _cmalloc_entry
   char data[0];
 };
 
+class cygheap_root
+{
+  /* Root directory information.
+     This is used after a chroot is called. */
+  size_t rootlen;
+  char *root;
+public:
+  cygheap_root (cygheap_root &nroot);
+  ~cygheap_root ();
+  char *operator =(const char *new_root);
+  size_t length () const { return rootlen; }
+  const char *path () const { return root; }
+};
+
+class cygheap_user {
+  /* Extendend user information.
+     The information is derived from the internal_getlogin call
+     when on a NT system. */
+  char *pname;         /* user's name */
+  char *plogsrv;       /* Logon server, may be FQDN */
+  char *pdomain;       /* Logon domain of the user */
+  PSID  psid;          /* buffer for user's SID */
+
+public:
+  uid_t orig_uid;      /* Remains intact even after impersonation */
+  uid_t orig_gid;      /* Ditto */
+  uid_t real_uid;      /* Remains intact on seteuid, replaced by setuid */
+  gid_t real_gid;      /* Ditto */
+
+  cygheap_user () : pname (NULL), plogsrv (NULL), pdomain (NULL), psid (NULL) {}
+  ~cygheap_user ();
+
+  void set_name (const char *new_name);
+  const char *name () const { return pname; }
+
+  void set_logsrv (const char *new_logsrv);
+  const char *logsrv () const { return plogsrv; }
+
+  void set_domain (const char *new_domain);
+  const char *domain () const { return pdomain; }
+
+  BOOL set_sid (PSID new_sid);
+  PSID sid () const { return psid; }
+
+  void operator =(cygheap_user &user)
+    {
+      set_name (user.name ());
+      set_logsrv (user.logsrv ());
+      set_domain (user.domain ());
+      set_sid (user.sid ());
+    }
+};
 
 struct init_cygheap
 {
   _cmalloc_entry *chain;
-  struct
-  {
-    size_t rootlen;
-    char *root;
-  };
+  cygheap_root root;
+  cygheap_user user;
   mode_t umask;
 };