From 8a3be328fad5d7b256da6b77ecea6002297f353d Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordberg.se>
Date: Mon, 30 Sep 2019 09:17:16 +0200
Subject: WIP

[server] Restore leases from allowedips at startup
---
 wg-dynamic-server.c | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to 'wg-dynamic-server.c')

diff --git a/wg-dynamic-server.c b/wg-dynamic-server.c
index 87f3037..72063a9 100644
--- a/wg-dynamic-server.c
+++ b/wg-dynamic-server.c
@@ -517,6 +517,33 @@ static void cleanup()
 	}
 }
 
+static void init_leaess_from_peers()
+{
+	wg_peer *peer;
+
+	wg_for_each_peer(device, peer) {
+		wg_allowedip *allowedip;
+		struct in6_addr *lladdr = NULL;
+		struct in_addr *ipv4 = NULL;
+		struct in6_addr *ipv6 = NULL;
+		wg_for_each_allowedip(peer, allowedip) {
+			if (allowedip->family == AF_INET6 &&
+			    IN6_IS_ADDR_LINKLOCAL(&allowedip->ip6))
+				lladdr = &allowedip->ip6;
+			if (allowedip->family == AF_INET && !ipv4)
+				ipv4 = &allowedip->ip4;
+			else if (allowedip->family ==  AF_INET6 && !ipv6)
+				ipv6 = &allowedip->ip6;
+		}
+
+		if (!ipv4 && !ipv6)
+			continue;
+
+		set_lease(wg_interface, peer->public_key, leasetime, lladdr, ipv4, ipv6);
+	}
+}
+
+
 static void setup()
 {
 	if (inet_pton(AF_INET6, WG_DYNAMIC_ADDR, &well_known) != 1)
@@ -542,7 +569,8 @@ static void setup()
 		    wg_interface);
 
 	setup_sockets();
-	leases_init("leases_file", nlsock);
+	leases_init(NULL, nlsock);
+	init_leaess_from_peers();
 }
 
 static int get_avail_request()
-- 
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