dco: fix source IP selection when multihome

When multihome option is enabled, OpenVPN passes ipi_addr to DCO, which is always 0.0.0.0. It should use ipi_spec_dst instead. Signed-off-by: Qingfang Deng <[email protected]>
OpenVPN · Feb 27, 2025 · 81cb1b5 · 81cb1b5
1 parent bca57c1
commit 81cb1b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/openvpn/dco.c b/src/openvpn/dco.c
@@ -562,7 +562,7 @@ dco_multi_get_localaddr(struct multi_context *m, struct multi_instance *mi,
         {
             struct sockaddr_in *sock_in4 = (struct sockaddr_in *)local;
 #if defined(HAVE_IN_PKTINFO) && defined(HAVE_IPI_SPEC_DST)
-            sock_in4->sin_addr = actual->pi.in4.ipi_addr;
+            sock_in4->sin_addr = actual->pi.in4.ipi_spec_dst;
 #elif defined(IP_RECVDSTADDR)
             sock_in4->sin_addr = actual->pi.in4;
 #else