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dco: fix source IP selection when multihome

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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>
Acked-by: Antonio Quartulli <a@unstable.cc>
Message-Id: <20250227032522.3734947-1-dqfext@gmail.com>
URL: https://sourceforge.net/p/openvpn/mailman/message/59154010/
Signed-off-by: Gert Doering <gert@greenie.muc.de>
(cherry picked from commit e4beaf7a610793f57984ec8006d26f9a695b0c74)
This commit is contained in:
Qingfang Deng 2025-02-27 11:25:22 +08:00 committed by Gert Doering
parent 40b76047e7
commit b9ad768ae2
1 changed files with 1 additions and 1 deletions
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2
src/openvpn/dco.c
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@ -528,7 +528,7 @@ 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