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https://gitlab.nic.cz/labs/bird.git
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9c9059fd17
Added an option for export filter to allow for prefiltering based on the prefix. Routes outside the given prefix are completely ignored. Config is simple: export in <net> <filter>;
60 lines
1.3 KiB
Plaintext
60 lines
1.3 KiB
Plaintext
/*
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* BIRD -- Table-to-Table Protocol Configuration
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*
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* (c) 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/pipe/pipe.h"
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CF_DEFINES
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#define PIPE_CFG ((struct pipe_config *) this_proto)
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CF_DECLS
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CF_KEYWORDS(PIPE, PEER, TABLE, MAX, GENERATION)
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CF_GRAMMAR
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proto: pipe_proto '}' { this_channel = NULL; } ;
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pipe_proto_start: proto_start PIPE
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{
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this_proto = proto_config_new(&proto_pipe, $1);
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PIPE_CFG->max_generation = 16;
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}
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proto_name
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{
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this_channel = proto_cf_main_channel(this_proto);
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if (!this_channel) {
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this_channel = channel_config_new(NULL, NULL, 0, this_proto);
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this_channel->in_filter = FILTER_ACCEPT;
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this_channel->out_filter = FILTER_ACCEPT;
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}
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};
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pipe_proto:
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pipe_proto_start '{'
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| pipe_proto proto_item ';'
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| pipe_proto channel_item_ ';'
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| pipe_proto IMPORT IN net_any imexport ';' {
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if (this_channel->net_type && ($4->type != this_channel->net_type))
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cf_error("Incompatible export prefilter type");
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PIPE_CFG->in_subprefix = $4;
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this_channel->in_filter = $5;
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}
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| pipe_proto PEER TABLE rtable ';' { PIPE_CFG->peer = $4; }
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| pipe_proto MAX GENERATION expr ';' {
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if (($4 < 1) || ($4 > 254)) cf_error("Max generation must be in range 1..254, got %u", $4);
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PIPE_CFG->max_generation = $4;
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}
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;
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CF_CODE
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CF_END
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