From 395500b8c1be03a3f2201f7d66e595d13ffcc299 Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Thu, 19 Jan 2017 11:23:45 +0100 Subject: kernel-netlink: Use RTA_SRC to specify route source in kernel-based lookups For table dumps the kernel accepts RTA_PREFSRC to filter the routes, which is what we do when doing userspace route calculations. For kernel-based route lookups, however, the RTA_PREFSRC attribute is ignored and we must specify RTA_SRC for policy based route lookups. --- src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c') diff --git a/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c b/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c index 330695600..2dc76d941 100644 --- a/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c +++ b/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c @@ -1883,7 +1883,14 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, if (candidate) { chunk = candidate->get_address(candidate); - netlink_add_attribute(hdr, RTA_PREFSRC, chunk, sizeof(request)); + if (hdr->nlmsg_flags & NLM_F_DUMP) + { + netlink_add_attribute(hdr, RTA_PREFSRC, chunk, sizeof(request)); + } + else + { + netlink_add_attribute(hdr, RTA_SRC, chunk, sizeof(request)); + } } /* we use this below to match against the routes */ chunk = dest->get_address(dest); -- cgit v1.2.3