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[Openvpn-devel,v3] dco: fix source IP selection when multihome

Message ID 20250227032522.3734947-1-dqfext@gmail.com
State New
Headers show
Series [Openvpn-devel,v3] dco: fix source IP selection when multihome | expand

Commit Message

Qingfang Deng Feb. 27, 2025, 3:25 a.m. UTC 
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 <dqfext@gmail.com>
---
 src/openvpn/dco.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/src/openvpn/dco.c b/src/openvpn/dco.c
index 02fae816..d6e8ec5f 100644
--- 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