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diff --git a/client/dhclient.c b/client/dhclient.c
index 1992467..364fd08 100644
--- a/client/dhclient.c
+++ b/client/dhclient.c
@@ -4463,6 +4463,10 @@ isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
case server_awaken:
state_reboot (client);
break;
+ case server_time_changed:
+ if (client->active)
+ state_reboot (client);
+ break;
}
}
}
diff --git a/common/dispatch.c b/common/dispatch.c
index af8a5b5..c1d558f 100644
--- a/common/dispatch.c
+++ b/common/dispatch.c
@@ -110,10 +110,20 @@ dispatch(void)
{
isc_result_t status;
- status = isc_app_ctxrun(dhcp_gbl_ctx.actx);
-
- log_fatal ("Dispatch routine failed: %s -- exiting",
- isc_result_totext (status));
+ do{
+ status = isc_app_ctxrun(dhcp_gbl_ctx.actx);
+
+ if (status == ISC_R_TIMESHIFTED){
+ status = dhcp_set_control_state(server_time_changed,
+ server_time_changed);
+ status = ISC_R_RELOAD;
+ log_info ("System time has been changed. Unable to use existing leases. Restarting");
+ // do nothing, restart context
+ };
+ } while (status == ISC_R_RELOAD);
+
+ log_fatal ("Dispatch routine failed: %s -- exiting",
+ isc_result_totext (status));
}
void
diff --git a/includes/dhcpd.h b/includes/dhcpd.h
index deea2a7..d60a03c 100644
--- a/includes/dhcpd.h
+++ b/includes/dhcpd.h
@@ -479,7 +479,8 @@ typedef enum {
server_running = 1,
server_shutdown = 2,
server_hibernate = 3,
- server_awaken = 4
+ server_awaken = 4,
+ server_time_changed = 5
} control_object_state_t;
typedef struct {
diff --git a/server/dhcpd.c b/server/dhcpd.c
index 9617d75..9add7e4 100644
--- a/server/dhcpd.c
+++ b/server/dhcpd.c
@@ -1392,6 +1392,10 @@ static isc_result_t dhcp_io_shutdown_countdown (void *vlp)
isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
control_object_state_t newstate)
{
+ if (newstate == server_time_changed){
+ log_error ("System time has been changed. Leases information unreliable!");
+ return ISC_R_SUCCESS;
+ }
if (newstate == server_shutdown) {
shutdown_time = cur_time;
shutdown_state = shutdown_listeners;