nt_clockstuff.c:

  From: Ron Thornton [rthornto@pictel.com]
  Sent: Thu 11/16/00 8:51 AM
  On Windows 2000 it requires a privilege on the current process token
  that is disabled by default on Windows 2000.
  I set the token by adding the following code at the beginning of the
  init_winnt_time() function in nt_clockstuff.c.

bk: 3a179714pLLqsGs5A68hxtyPOJFv7Q

diff --git a/ports/winnt/ntpd/nt_clockstuff.c b/ports/winnt/ntpd/nt_clockstuff.c
index ee7117598182a10cbdba854486409cd3aa6b58ae..2982b9d9e7c3fb6749356af5223a6c3a16b04a14 100644 (file)
--- a/ports/winnt/ntpd/nt_clockstuff.c
+++ b/ports/winnt/ntpd/nt_clockstuff.c
@@ -3,6 +3,15 @@
  *
  * Revision History:
  * $Log$
+ * Revision 1.9  2000/11/19 09:02:12  dietrich
+ * From: Ron Thornton [rthornto@pictel.com]
+ * Sent: Thu 11/16/00 8:51 AM
+ * On Windows 2000 it requires a privilege on the current process token
+ * that is disabled by default on Windows 2000.
+ *
+ * I set the token by adding the following code at the beginning of the
+ * init_winnt_time() function in nt_clockstuff.c.
+ *
  * Revision 1.8  2000/11/19 08:03:20  dietrich
  * From: "Colin Dancer" <colin.dancer@pyrochrome.net>
  * To: <bugs@ntp.org>
@@ -133,12 +142,41 @@ adj_systime(
 
 void init_winnt_time(void) {
        BOOL noslew;
-
-               /* Reset the Clock to a reasonable increment */
-       if (!GetSystemTimeAdjustment(&initial_units_per_tick, &every, &noslew)) {
+       HANDLE hToken;
+       TOKEN_PRIVILEGES tkp;
+       /*
+        * Get privileges needed for fiddling with the clock
+         */
+
+         /* get the current process token handle */
+       if (!OpenProcessToken(GetCurrentProcess(),
+         TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
+                 msyslog(LOG_ERR, "OpenProcessToken failed: %m");
+                 exit(-1);
+                 }
+         /* get the LUID for system-time privilege. */
+       LookupPrivilegeValue(NULL, SE_SYSTEMTIME_NAME, &tkp.Privileges[0].Luid);
+       tkp.PrivilegeCount = 1;  /* one privilege to set */
+       tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+       /* get set-time privilege for this process. */
+       AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
+               (PTOKEN_PRIVILEGES) NULL, 0);
+
+       /* cannot use return value of AdjustTokenPrivileges. */
+       /* (success does not indicate all privileges were set) */
+       if (GetLastError() != ERROR_SUCCESS) 
+               {
+               msyslog(LOG_ERR, "AdjustTokenPrivileges failed: %m");
+               /* later set time call will probably fail */
+               }
+
+       /* Reset the Clock to a reasonable increment */
+       if (!GetSystemTimeAdjustment(&initial_units_per_tick, &every,&noslew))
+               {
                msyslog(LOG_ERR, "GetSystemTimeAdjustment failed: %m\n");
                exit (-1);
-       }
+               }
 
        units_per_tick = initial_units_per_tick;