From 1e5e998a2aa8ddbe6959b3ef878ef9699568d9dd Mon Sep 17 00:00:00 2001
From: marekm72 <35698605+marekm72@users.noreply.github.com>
Date: Sun, 29 Sep 2024 09:42:48 +0200
Subject: Don't terminate whole PPPoE session in response to client IPV6CP
 TermReq if IPv6 not required

See accel-ppp/accel-ppp#57 for the bug report, please review.
---
 accel-pppd/ppp/ppp_ipv6cp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'accel-pppd/ppp/ppp_ipv6cp.c')

diff --git a/accel-pppd/ppp/ppp_ipv6cp.c b/accel-pppd/ppp/ppp_ipv6cp.c
index 1194b31..fc45a8a 100644
--- a/accel-pppd/ppp/ppp_ipv6cp.c
+++ b/accel-pppd/ppp/ppp_ipv6cp.c
@@ -738,7 +738,10 @@ static void ipv6cp_recv(struct ppp_handler_t*h)
 			if (conf_ppp_verbose)
 				log_ppp_info2("recv [IPV6CP TermReq id=%x]\n", hdr->id);
 			ppp_fsm_recv_term_req(&ipv6cp->fsm);
-			ap_session_terminate(&ipv6cp->ppp->ses, TERM_USER_REQUEST, 0);
+			if (conf_ipv4 == IPV4_REQUIRE)
+				ap_session_terminate(&ipv6cp->ppp->ses, TERM_USER_REQUEST, 0);
+			else
+				ppp_layer_passive(ipv6cp->ppp, &ipv6cp->ld);
 			break;
 		case TERMACK:
 			if (conf_ppp_verbose)
-- 
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