diff options
Diffstat (limited to 'usr.sbin/bgpd/parse.y')
-rw-r--r-- | usr.sbin/bgpd/parse.y | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/usr.sbin/bgpd/parse.y b/usr.sbin/bgpd/parse.y index 7c98357000f..f34717bd509 100644 --- a/usr.sbin/bgpd/parse.y +++ b/usr.sbin/bgpd/parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.y,v 1.133 2004/08/13 14:03:20 claudio Exp $ */ +/* $OpenBSD: parse.y,v 1.134 2004/08/17 16:06:39 claudio Exp $ */ /* * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org> @@ -92,6 +92,7 @@ int expand_rule(struct filter_rule *, struct filter_peers_l *, struct filter_match_l *, struct filter_set *); int str2key(char *, char *, size_t); int neighbor_consistent(struct peer *); +int merge_filterset(struct filter_set *, struct filter_set *); TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead); struct sym { @@ -704,12 +705,12 @@ peeropts : REMOTEAS asnumber { curpeer->conf.capabilities = $3; } | SET filter_set_opt { - memcpy(&curpeer->conf.attrset, &$2, - sizeof(curpeer->conf.attrset)); + if (merge_filterset(&curpeer->conf.attrset, &$2) == -1) + YYERROR; } | SET optnl "{" optnl filter_set_l optnl "}" { - memcpy(&curpeer->conf.attrset, &$5, - sizeof(curpeer->conf.attrset)); + if (merge_filterset(&curpeer->conf.attrset, &$5) == -1) + YYERROR; } | mrtdump | REFLECTOR { @@ -1058,27 +1059,8 @@ filter_set : /* empty */ { filter_set_l : filter_set_l comma filter_set_opt { $$ = $1; - if ($$.flags & $3.flags) { - yyerror("redefining set shitz is not fluffy"); + if (merge_filterset(&$$, &$3) == 1) YYERROR; - } - $$.flags |= $3.flags; - if ($3.flags & SET_LOCALPREF) - $$.localpref = $3.localpref; - if ($3.flags & SET_MED) - $$.med = $3.med; - if ($3.flags & SET_NEXTHOP) - memcpy(&$$.nexthop, &$3.nexthop, - sizeof($$.nexthop)); - if ($3.flags & SET_PREPEND) - $$.prepend = $3.prepend; - if ($3.flags & SET_PFTABLE) - strlcpy($$.pftable, $3.pftable, - sizeof($$.pftable)); - if ($3.flags & SET_COMMUNITY) { - $$.community.as = $3.community.as; - $$.community.type = $3.community.type; - } } | filter_set_opt ; @@ -1955,3 +1937,30 @@ neighbor_consistent(struct peer *p) return (0); } + +int +merge_filterset(struct filter_set *a, struct filter_set *b) +{ + if (a->flags & b->flags) { + yyerror("redefining set parameters is not fluffy"); + return (-1); + } + a->flags |= b->flags; + if (b->flags & SET_LOCALPREF) + a->localpref = b->localpref; + if (b->flags & SET_MED) + a->med = b->med; + if (b->flags & SET_NEXTHOP) + memcpy(&a->nexthop, &b->nexthop, + sizeof(a->nexthop)); + if (b->flags & SET_PREPEND) + a->prepend = b->prepend; + if (b->flags & SET_PFTABLE) + strlcpy(a->pftable, b->pftable, + sizeof(a->pftable)); + if (b->flags & SET_COMMUNITY) { + a->community.as = b->community.as; + a->community.type = b->community.type; + } + return (0); +} |