From b2d2d555a704148968cb7e566735a2a1b1a2f189 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 9 Apr 2024 14:48:01 +0200
Subject: Adding upstream version 4.5.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 sys_solaris.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 sys_solaris.c

(limited to 'sys_solaris.c')

diff --git a/sys_solaris.c b/sys_solaris.c
new file mode 100644
index 0000000..3210ef0
--- /dev/null
+++ b/sys_solaris.c
@@ -0,0 +1,95 @@
+/*
+  chronyd/chronyc - Programs for keeping computer clocks accurate.
+
+ **********************************************************************
+ * Copyright (C) Richard P. Curnow  1997-2003
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+
+  =======================================================================
+
+  Driver file for illumos operating system (previously Solaris)
+  */
+
+#include "config.h"
+
+#include "sysincl.h"
+
+#include "logging.h"
+#include "privops.h"
+#include "sys_solaris.h"
+#include "sys_timex.h"
+#include "util.h"
+
+#include <kvm.h>
+#include <nlist.h>
+
+/* ================================================== */
+
+static void
+set_dosynctodr(int on_off)
+{
+  struct nlist nl[] = { {"dosynctodr"}, {NULL} };
+  kvm_t *kt;
+
+  kt = kvm_open(NULL, NULL, NULL, O_RDWR, NULL);
+  if (!kt)
+    LOG_FATAL("Could not open kvm");
+
+  if (kvm_nlist(kt, nl) < 0 || !nl[0].n_value)
+    LOG_FATAL("Could not get dosynctodr address");
+
+  if (kvm_kwrite(kt, nl[0].n_value, &on_off, sizeof (on_off)) < 0)
+    LOG_FATAL("Could not write to dosynctodr");
+
+  kvm_close(kt);
+}
+
+/* ================================================== */
+
+void
+SYS_Solaris_Initialise(void)
+{
+  /* The kernel keeps the system clock and hardware clock synchronised to each
+     other.  The dosynctodr variable needs to be set to zero to prevent the
+     the system clock from following the hardware clock when the system clock
+     is not adjusted by adjtime() or ntp_adjtime(modes=MOD_OFFSET). */
+  set_dosynctodr(0);
+
+  /* The kernel allows the frequency to be set in the full range off int32_t */
+  SYS_Timex_InitialiseWithFunctions(32500, 1.0 / 100, NULL, NULL, NULL,
+                                    0.0, 0.0, NULL, NULL);
+}
+
+/* ================================================== */
+
+void
+SYS_Solaris_Finalise(void)
+{
+  SYS_Timex_Finalise();
+}
+
+/* ================================================== */
+
+#ifdef FEAT_PRIVDROP
+void
+SYS_Solaris_DropRoot(uid_t uid, gid_t gid, SYS_ProcessContext context)
+{
+  if (context == SYS_MAIN_PROCESS)
+    PRV_StartHelper();
+  UTI_DropRoot(uid, gid);
+}
+#endif
-- 
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