From: Steven Barth <steven@midlink.org>
Date: Mon, 30 Dec 2013 18:10:18 +0000 (+0100)
Subject: Revert to old behaviour regarding information requests
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c98181c4a48c57e405effd1dc9046aaaee6d480f;p=oweals%2Fodhcp6c.git

Revert to old behaviour regarding information requests
---

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 42e5121..9b09130 100644
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -1116,6 +1116,8 @@ static int dhcpv6_calc_refresh_timers(void)
 		t1 = l_t1;
 		t2 = l_t2;
 		t3 = l_t3;
+	} else {
+		t1 = 600;
 	}
 
 	return (int)(ia_pd_entries + ia_na_entries);
@@ -1253,7 +1255,8 @@ int dhcpv6_promote_server_cand(void)
 	size_t cand_len;
 	struct dhcpv6_server_cand *cand = odhcp6c_get_state(STATE_SERVER_CAND, &cand_len);
 	uint16_t hdr[2];
-	int ret = DHCPV6_STATELESS;
+	int ret = (na_mode == IA_MODE_NONE && pd_mode == IA_MODE_NONE) ?
+			DHCPV6_STATELESS : DHCPV6_STATEFUL;
 
 	// Clear lingering candidate state info
 	odhcp6c_clear_state(STATE_SERVER_ID);
diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 0282500..dbba605 100644
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -311,7 +311,16 @@ int main(_unused int argc, char* const argv[])
 					break; // Other signal type
 
 				// Send renew as T1 expired
-				res = dhcpv6_request(DHCPV6_MSG_RENEW);
+				size_t ia_pd_len, ia_na_len;
+				odhcp6c_get_state(STATE_IA_PD, &ia_pd_len);
+				odhcp6c_get_state(STATE_IA_NA, &ia_na_len);
+
+				// If we have any IAs, send renew, otherwise request
+				if (ia_pd_len == 0 && ia_na_len == 0)
+					res = dhcpv6_request(DHCPV6_MSG_REQUEST);
+				else
+					res = dhcpv6_request(DHCPV6_MSG_RENEW);
+
 				odhcp6c_signal_process();
 				if (res > 0) { // Renew was succesfull
 					// Publish updates