bird/proto/rpki/config.Y

/*
 *	BIRD -- The Resource Public Key Infrastructure (RPKI) to Router Protocol
 *
 *	(c) 2015 CZ.NIC
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

CF_HDR

#include "proto/rpki/rpki.h"

CF_DEFINES

#define RPKI_CFG ((struct rpki_config *) this_proto)

static struct rpki_cache *this_rpki_cache;

CF_DECLS

CF_KEYWORDS(RPKI, CACHE, LIST, PREFERENCE)

CF_GRAMMAR

CF_ADDTO(proto, rpki_proto)

rpki_proto:
   rpki_proto_start proto_name '{' rpki_proto_opts '}' rpki_proto_finish
 ;

rpki_proto_start:
   proto_start RPKI {
     this_proto = proto_config_new(&proto_rpki, $1);
     init_list(&RPKI_CFG->cache_list);
   }
 ;

rpki_proto_finish:
{
  if (RPKI_CFG->roa_table_cf == NULL)
  {
    cf_error("For the RPKI protocol must be specified a roa table");
  }

  char *rpki_err_buf = rpki_load_rtrlib();
  if (rpki_err_buf != NULL)
  {
    cf_error("Cannot use a RPKI protocol: %s", rpki_err_buf);
  }
};

rpki_proto_opts:
   /* empty */
 | rpki_proto_opts rpki_proto_item ';'
 ;

rpki_proto_item:
   proto_item
 | CACHE rpki_cache
 | ROA TABLE roa_table_cf { RPKI_CFG->roa_table_cf = $3; }
 ;

rpki_cache:
   rpki_cache_init text rpki_optional_cache_opts {
     this_rpki_cache->host = $2;
     add_tail(&RPKI_CFG->cache_list, &this_rpki_cache->n);
   }
 | rpki_cache_init ipa rpki_optional_cache_opts {
     this_rpki_cache->ip_buf = cfg_alloc(sizeof(INET6_ADDRSTRLEN));
     bsnprintf(this_rpki_cache->ip_buf, INET6_ADDRSTRLEN, "%I", $2);
     this_rpki_cache->host = this_rpki_cache->ip_buf;
     add_tail(&RPKI_CFG->cache_list, &this_rpki_cache->n);
   }
 ;

rpki_cache_init:
 {
   this_rpki_cache = rpki_new_cache();
 }
 ;

rpki_optional_cache_opts:
   /* empty */
 | '{' rpki_cache_opts '}'
 ;

rpki_cache_opts:
   /* empty */
 | rpki_cache_opts rpki_cache_opts_item ';'
 ;

rpki_cache_opts_item:
   PORT expr {
     check_u16($2);
     bsnprintf(this_rpki_cache->port, RPKI_PORT_MAX_LENGTH_STR, "%u", (u16) $2);
   }
 | PREFERENCE expr {
   check_u8($2);
   this_rpki_cache->preference = $2;
 }
 ;

CF_CODE

CF_END