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BGP: Support for MD5SIG together with remote range

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When dynamic BGP with remote range is configured, MD5SIG needs to use
newer socket option (TCP_MD5SIG_EXT) to specify remote addres range for
listening socket.

Thanks to Adam Kułagowski for the suggestion.
This commit is contained in:
Ondrej Zajicek (work)
2020-02-27 16:16:48 +01:00
parent 22c3cf955d
commit 757cab18d6
6 changed files with 62 additions and 44 deletions
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11
proto/bgp/bgp.c
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@@ -247,8 +247,17 @@ bgp_setup_auth(struct bgp_proto *p, int enable)
{
if (p->cf->password)
{
ip_addr prefix = p->cf->remote_ip;
int pxlen = -1;
if (p->cf->remote_range)
{
prefix = net_prefix(p->cf->remote_range);
pxlen = net_pxlen(p->cf->remote_range);
}
int rv = sk_set_md5_auth(p->sock->sk,
p->cf->local_ip, p->cf->remote_ip, p->cf->iface,
p->cf->local_ip, prefix, pxlen, p->cf->iface,
enable ? p->cf->password : NULL, p->cf->setkey);
if (rv < 0)