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bgpd: Adjust the length of tunnel encap sub-tlv by sub-tlv type

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Fixes: 79563af564 ("bgpd: Get 1 or 2 octets for Sub-TLV length (Tunnel Encap attr)")

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
(cherry picked from commit 34b209f0ae)
This commit is contained in:
Donatas Abraitis 2024-06-13 08:43:21 +03:00 committed by Mergify
parent 48b0d338e3
commit c105f9acd9
1 changed files with 7 additions and 4 deletions
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9
bgpd/bgp_attr.c
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@ -2728,10 +2728,13 @@ static int bgp_attr_encap(struct bgp_attr_parser_args *args)
if (BGP_ATTR_ENCAP == type) { if (BGP_ATTR_ENCAP == type) {
subtype = stream_getc(BGP_INPUT(peer)); subtype = stream_getc(BGP_INPUT(peer));
sublength = (subtype < 128) if (subtype < 128) {
? stream_getc(BGP_INPUT(peer)) sublength = stream_getc(BGP_INPUT(peer));
: stream_getw(BGP_INPUT(peer));
length -= 2; length -= 2;
} else {
sublength = stream_getw(BGP_INPUT(peer));
length -= 3;
}
#ifdef ENABLE_BGP_VNC #ifdef ENABLE_BGP_VNC
} else { } else {
subtype = stream_getw(BGP_INPUT(peer)); subtype = stream_getw(BGP_INPUT(peer));