disable holdoff for reconnect on timeout or link failure (#538)

Signed-off-by: [anp/hsw] <[email protected]>

pppd/auth.c

@@ -1325,6 +1325,7 @@ connect_time_expired(void *arg)
     info("Connect time expired");
     ppp_set_status(EXIT_CONNECT_TIME);
     lcp_close(0, "Connect time expired");	/* Close connection */
+    need_holdoff = 0;
 }
 
 /*

pppd/main.c

@@ -607,8 +607,10 @@ main(int argc, char *argv[])
 	while (phase != PHASE_DEAD) {
 	    handle_events();
 	    get_input();
-	    if (kill_link)
+	    if (kill_link) {
 		lcp_close(0, "User request");
+		need_holdoff = 0;
+	    }
 	    if (asked_to_quit) {
 		bundle_terminating = 1;
 		if (phase == PHASE_MASTER)
@@ -1149,6 +1151,7 @@ get_input(void)
 	notice("Modem hangup");
 	hungup = 1;
 	code = EXIT_HANGUP;
+	need_holdoff = 0;
 	lcp_lowerdown(0);	/* serial link is no longer available */
 	link_terminated(0);
 	return;

pppd/pppd.8

@@ -475,7 +475,8 @@ exclude the password string from the log.  This is the default.
 Specifies how many seconds to wait before re-initiating the link after
 it terminates.  This option only has any effect if the \fIpersist\fR
 or \fIdemand\fR option is used.  The holdoff period is not applied if
-the link was terminated because it was idle.
+the link was terminated because it was idle, connect time expired,
+modem hangup or user request.
 .TP
 .B idle \fIn
 Specifies that pppd should disconnect if the link is idle for \fIn\fR