Commit ec331acf authored by Ondrej Zajicek (work)'s avatar Ondrej Zajicek (work)
Browse files

BGP: Fix handling of transitive extended communities 

Transitive extended communities should be removed on external sessions,
the old code them in all cases.

Thanks to Jean-Daniel Pauget for the original patch.
parent 5ce881be

proto/bgp/attrs.c

+15 −5
Original line number Diff line number Diff line
@@ -716,6 +716,8 @@ bgp_decode_mp_unreach_nlri(struct bgp_parse_state *s, uint code UNUSED, uint fla 


static void

bgp_export_ext_community(struct bgp_export_state *s, eattr *a)

{

  if (!s->proto->is_interior)

  {

    struct adata *ad = ec_set_del_nontrans(s->pool, a->u.ptr);
@@ -725,6 +727,14 @@ bgp_export_ext_community(struct bgp_export_state *s, eattr *a) 
    ec_set_sort_x(ad);

    a->u.ptr = ad;

  }

  else

  {

    if (a->u.ptr->length == 0)

      UNSET(a);



    a->u.ptr = ec_set_sort(s->pool, a->u.ptr);

  }

}



static void

bgp_decode_ext_community(struct bgp_parse_state *s, uint code UNUSED, uint flags, byte *data, uint len, ea_list **to)

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