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[cygwin-apps/setup.git] / win32.h

diff --git a/win32.h b/win32.h
index 34626187d22a45d8ff121ed8adf0e86a637894be..c866790df6d8a1046ebb702852309d82a33b5959 100644 (file)
--- a/win32.h
+++ b/win32.h
@@ -17,14 +17,21 @@
 #ifndef SETUP_WIN32_H
 #define SETUP_WIN32_H
 
+#include <sys/types.h>
 #include <string>
 
+/* Needed for some buffers etc., to have a useful replacement for MAX_PATH. */
+#define CYG_PATH_MAX   4096
+
 /* Any include of <windows.h> should be through this file, which wraps it in
  * various other handling. */
 
 /* Basic Windows features only. */
 #define WIN32_LEAN_AND_MEAN
 
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0a00
+
 /* libstdc++-v3 _really_ dislikes min & max defined as macros. */
 /* As of gcc 3.3.1, it defines NOMINMAX itself, so test first,
  * to avoid a redefinition error */
@@ -32,16 +39,14 @@
 #define NOMINMAX
 #endif
 
-/* In w32api 3.1, __declspec(dllimport) decoration is added to
- * certain symbols. This breaks our autoload mechanism - the symptom is
- * multiple declaration errors at link time. This define turns that off again.
- * It will default to off again in later w32api versions, but we need to work
- * with 3.1 for now. */
-#define WINBASEAPI
+/* 100ns difference between Windows and UNIX timebase. */
+#define FACTOR (0x19db1ded53e8000LL)
+/* # of 100ns intervals per second. */
+#define NSPERSEC 10000000LL
 
-/* Require at least Internet Explorer 3, in order to have access to 
- * sufficient Windows Common Controls features from <commctrl.h> . */
-#define _WIN32_IE 0x0300
+/* Defining WINBASEAPI is required due the overloading definitions of some
+   kernel32 functions in filemanip.cc. */
+#define WINBASEAPI
 
 #include <windows.h>
 
@@ -51,7 +56,15 @@
 #define _access access
 #endif
 
-/* Maximum size of a SID on NT/W2K. */
+/* When we have to check for a path delimiter, check for both, slash and
+   backslash. */
+#define isdirsep(ch) \
+    ({ \
+       char __c = (ch); \
+       ((__c) == '/' || (__c) == '\\'); \
+    })
+
+/* Maximum size of a SID. */
 #define MAX_SID_LEN    40
 
 /* Computes the size of an ACL in relation to the number of ACEs it
@@ -59,6 +72,12 @@
 #define TOKEN_ACL_SIZE(cnt) (sizeof (ACL) + \
                             (cnt) * (sizeof (ACCESS_ALLOWED_ACE) + MAX_SID_LEN))
 
+struct acl_t {
+  /* Make sure &acl is 4-byte aligned. */
+  ACL acl __attribute__ ((aligned (4)));
+  char aclbuf[TOKEN_ACL_SIZE (7)];
+};
+
 class SIDWrapper {
   public:
     SIDWrapper () : value (NULL) {}
@@ -94,6 +113,7 @@ class NTSecurity
 {
 public:
   NTSecurity () : nullSID (), everyOneSID (), administratorsSID (), usersSID (),
+                 cr_ownerSID (), cr_groupSID (), groupSID (NULL),
                  _wellKnownSIDsinitialized (false), token () {}
   ~NTSecurity() {}
 
@@ -104,19 +124,28 @@ public:
   /* Set POSIX-like permissions on files.  The fname is only used for printing
      log output.  The function requires an open HANDLE with sufficient
      permissions (READ_DAC | WRITE_DAC). */
-  void SetPosixPerms (const char *fname, HANDLE fh, mode_t mode);
+  PSECURITY_DESCRIPTOR GetPosixPerms (const char *fname, PSID owner_sid,
+                                     PSID group_sid, mode_t mode,
+                                     SECURITY_DESCRIPTOR &out_sd, acl_t &acl);
   void resetPrimaryGroup();
   void setAdminGroup ();
+  void initialiseWellKnownSIDs ();
   void setDefaultSecurity();
+  bool isRunAsAdmin ();
 private:
   void NoteFailedAPI (const std::string &);
   bool wellKnownSIDsinitialized () const { return _wellKnownSIDsinitialized; }
   void wellKnownSIDsinitialized (bool b) { _wellKnownSIDsinitialized = b; }
-  void initialiseWellKnownSIDs ();
   void setDefaultDACL ();
   void setBackupPrivileges ();
 
-  SIDWrapper nullSID, everyOneSID, administratorsSID, usersSID;
+  SIDWrapper nullSID, everyOneSID, administratorsSID, usersSID,
+            cr_ownerSID, cr_groupSID;
+  struct {
+    TOKEN_USER user;
+    char buf[MAX_SID_LEN];
+  } ownerSID;
+  PSID groupSID;
   struct {
     TOKEN_PRIMARY_GROUP pgrp;
     char buf[MAX_SID_LEN];
@@ -135,17 +164,31 @@ class VersionInfo
 {
   public:
      VersionInfo ();
-     bool isNT () { return (v.dwPlatformId == VER_PLATFORM_WIN32_NT); }
      DWORD major () const { return v.dwMajorVersion; }
      DWORD minor () const { return v.dwMinorVersion; }
+     DWORD buildNumber () const { return v.dwBuildNumber; }
   private:
      OSVERSIONINFO v;
 };
 
 VersionInfo& GetVer ();
 
-#define IsWindowsNT() (GetVer ().isNT ())
 #define OSMajorVersion() (GetVer ().major ())
 #define OSMinorVersion() (GetVer ().minor ())
+#define OSBuildNumber() (GetVer ().buildNumber ())
+
+static inline void
+GetDlgItemRect (HWND h, int item, LPRECT r)
+{
+  GetWindowRect (GetDlgItem (h, item), r);
+  MapWindowPoints (HWND_DESKTOP, h, (LPPOINT) r, 2);
+}
+
+static inline void
+SetDlgItemRect (HWND h, int item, LPRECT r)
+{
+  MoveWindow (GetDlgItem (h, item), r->left, r->top,
+             r->right - r->left, r->bottom - r->top, TRUE);
+}
 
 #endif /* SETUP_WIN32_H */