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authorDavid Lamparter <equinox@opensourcerouting.org>2013-01-20 18:29:28 +0100
committerDavid Lamparter <equinox@opensourcerouting.org>2013-02-01 17:55:04 +0100
commitf47e5a18b5beb00d6b5b94965e305dadb5aa5bad (patch)
treec870b37cdba8e36effae527faf6c266847ad2621 /tools/zc.pl
parent955be06f8a647d1149d5547e1265fb66f55a9161 (diff)
bgpd: don't try to reconcile AS4_PATH with NULL
bgp_attr_munge_as4_attrs would previously try to reintegrate an AS4_PATH with a NULL AS_PATH, leading to a rather nasty SEGV. Let's go by RFC6793 and treat missing AS_PATH as 0-length AS_PATH, which in turn means discarding the AS4_PATH. [NB: we don't actually stick to the actual rule, which is discarding AS4_PATH if it's longer than AS_PATH; indeed we should probably fix that too] Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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