From c7ef69d553293776e0ae4ccfccc0c878bc2ded42 Mon Sep 17 00:00:00 2001
From: HimbeerserverDE <himbeerserverde@gmail.com>
Date: Wed, 22 Nov 2023 14:57:21 +0100
Subject: deal with valid_lifetime = 0 in reply

---
 src/client.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/client.rs b/src/client.rs
index e920c63..30e616c 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -371,8 +371,6 @@ impl Dhcp6c {
                     lease.t2 = lease.valid_lifetime / 2;
                 }
 
-                // TODO: lft = 0
-
                 if no_binding {
                     self.restart_timer.reset();
                     self.restart_counter = self.max_request;
@@ -383,6 +381,13 @@ impl Dhcp6c {
                     self.restart_counter -= 1;
 
                     self.state = Dhcp6cState::Requesting;
+                } else if lease.valid_lifetime.as_secs() == 0 {
+                    self.restart_timer.reset();
+
+                    self.output_tx
+                        .send(Packet::Solicit)
+                        .expect("output channel is closed");
+                    self.state = Dhcp6cState::Soliciting;
                 } else {
                     self.upper_status_tx
                         .send(true)
-- 
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