[Git][NTPsec/ntpsec][master] Retry DNS and NTS lookups/probes on SIGHUP

[Hal Murray]

Hal Murray pushed to branch master at NTPsec / ntpsec


Commits:
fd40e625 by Hal Murray at 2019-12-11T20:19:22Z
Retry DNS and NTS lookups/probes on SIGHUP

- - - - -


5 changed files:

- docs/includes/ntpd-body.adoc
- include/ntp_dns.h
- ntpd/ntp_io.c
- ntpd/ntp_proto.c
- ntpd/ntpd.c


Changes:

=====================================
docs/includes/ntpd-body.adoc
=====================================
@@ -536,6 +536,7 @@ SIGHUP will reopen the log file if it has changed and
 check for a new leapseconds file if one was specified.
 If the NTS server is enabled, it will reload the
 certificate file if it has changed.
+It will also retry any pending DNS or NTS lookups.
 
 On most systems, you can send SIGHUP to +ntpd+ with
 -----


=====================================
include/ntp_dns.h
=====================================
@@ -19,7 +19,7 @@ extern void dns_take_server(struct peer*, sockaddr_u*);
 extern void dns_take_pool(struct peer*, sockaddr_u*);
 extern void dns_take_status(struct peer*, DNS_Status);
 
-/* New interface has appeared - try again */
-extern void dns_new_interface(void);
+/* SIGHUP or a new interface has appeared - try again */
+extern void dns_try_again(void);
 
 #endif	/* GUARD_NTP_DNS_H */


=====================================
ntpd/ntp_io.c
=====================================
@@ -1263,7 +1263,7 @@ interface_update(
 #ifdef DEBUG
 	msyslog(LOG_DEBUG, "IO: new interface(s) found: waking up resolver");
 #endif
-	dns_new_interface();
+	dns_try_again();
 }
 
 


=====================================
ntpd/ntp_proto.c
=====================================
@@ -2537,11 +2537,10 @@ static void restart_nts_ke(struct peer *peer) {
 };
 
 /*
- * dns_new_interface
- *   A new interface is now active
- *   retry danging DNS lookups
+ * dns_try_again
+ *   retry danging DNS and NTS lookups
  */
-void dns_new_interface(void) {
+void dns_try_again(void) {
 	struct peer *p;
 	for (p = peer_list; p != NULL; p = p->p_link) {
 		if ((p->cfg.flags & FLAG_LOOKUP) || (p->cast_flags & MDF_POOL)) {


=====================================
ntpd/ntpd.c
=====================================
@@ -954,9 +954,9 @@ static void mainloop(void)
 			msyslog(LOG_INFO, "LOG: Saw SIGHUP");
 
 			reopen_logfile();
-
 			check_leap_file(false, time(NULL));
 			check_cert_file();
+			dns_try_again();
 		}
 
 		/*



View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/fd40e625df53d59a2e51ec65bcc5df1b9b4a2ba7

-- 
View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/fd40e625df53d59a2e51ec65bcc5df1b9b4a2ba7
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