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93 lines
2.3 KiB
Plaintext
93 lines
2.3 KiB
Plaintext
/*
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* BIRD -- Static Protocol Configuration
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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#include "proto/static/static.h"
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CF_DEFINES
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#define STATIC_CFG ((struct static_config *) this_proto)
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static struct static_route *this_srt, *this_srt_nh, *last_srt_nh;
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CF_DECLS
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CF_KEYWORDS(STATIC, ROUTE, VIA, DROP, REJECT, PROHIBIT, PREFERENCE, CHECK, LINK)
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CF_KEYWORDS(MULTIPATH, WEIGHT)
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CF_GRAMMAR
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CF_ADDTO(proto, static_proto '}')
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static_proto_start: proto_start STATIC {
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this_proto = proto_config_new(&proto_static, sizeof(struct static_config));
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static_init_config((struct static_config *) this_proto);
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}
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;
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static_proto:
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static_proto_start proto_name '{'
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| static_proto proto_item ';'
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| static_proto CHECK LINK bool ';' { STATIC_CFG->check_link = $4; }
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| static_proto stat_route ';'
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;
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stat_route0: ROUTE prefix {
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this_srt = cfg_allocz(sizeof(struct static_route));
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add_tail(&STATIC_CFG->other_routes, &this_srt->n);
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this_srt->net = $2.addr;
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this_srt->masklen = $2.len;
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}
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;
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stat_multipath1:
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VIA ipa {
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last_srt_nh = this_srt_nh;
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this_srt_nh = cfg_allocz(sizeof(struct static_route));
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this_srt_nh->dest = RTD_NONE;
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this_srt_nh->via = $2;
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this_srt_nh->if_name = (void *) this_srt; /* really */
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}
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| stat_multipath1 WEIGHT expr {
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this_srt_nh->masklen = $3 - 1; /* really */
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if (($3<1) || ($3>256)) cf_error("Weight must be in range 1-256");
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}
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;
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stat_multipath:
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stat_multipath1 { this_srt->mp_next = this_srt_nh; }
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| stat_multipath stat_multipath1 { last_srt_nh->mp_next = this_srt_nh; }
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;
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stat_route:
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stat_route0 VIA ipa {
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this_srt->dest = RTD_ROUTER;
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this_srt->via = $3;
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}
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| stat_route0 VIA TEXT {
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this_srt->dest = RTD_DEVICE;
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this_srt->if_name = $3;
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rem_node(&this_srt->n);
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add_tail(&STATIC_CFG->iface_routes, &this_srt->n);
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}
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| stat_route0 MULTIPATH stat_multipath {
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this_srt->dest = RTD_MULTIPATH;
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}
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| stat_route0 DROP { this_srt->dest = RTD_BLACKHOLE; }
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| stat_route0 REJECT { this_srt->dest = RTD_UNREACHABLE; }
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| stat_route0 PROHIBIT { this_srt->dest = RTD_PROHIBIT; }
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;
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CF_CLI(SHOW STATIC, optsym, [<name>], [[Show details of static protocol]])
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{ static_show(proto_get_named($3, &proto_static)); } ;
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CF_CODE
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CF_END
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