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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:09:41 +0000
commit3271d1ac389d2ec93db9c5b9ce0991ce478476cf (patch)
tree35ff7d180e1ccc061f28535d7435b5ba1789e734 /sys_solaris.c
parentInitial commit. (diff)
downloadchrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.tar.xz
chrony-3271d1ac389d2ec93db9c5b9ce0991ce478476cf.zip
Adding upstream version 4.3.upstream/4.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sys_solaris.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/sys_solaris.c b/sys_solaris.c
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+/*
+ 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