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bird/proto/rpki/config.Y
2016-01-25 15:39:38 +01:00

146 lines
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/*
* 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_cfg *this_rpki_cache_cfg;
CF_DECLS
CF_KEYWORDS(RPKI, CACHE, LIST, PREFERENCE, BIRD, PRIVATE, PUBLIC, KEY, SSH, ENCRYPTION, USER)
CF_KEYWORDS(RETRY, REFRESH, EXPIRE)
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_cfg_list);
}
;
rpki_proto_opts:
/* empty */
| rpki_proto_opts rpki_proto_item ';'
;
rpki_proto_item:
proto_item
| CACHE rpki_cache
;
rpki_cache:
rpki_cache_init rpki_cache_addr rpki_optional_cache_opts {
add_tail(&RPKI_CFG->cache_cfg_list, &this_rpki_cache_cfg->n);
}
;
rpki_cache_finish:
{
if (this_rpki_cache_cfg->port == 0) /* empty? */
{
if (this_rpki_cache_cfg->ssh != NULL)
this_rpki_cache_cfg->port = RPKI_DEFAULT_SSH_PORT;
else
this_rpki_cache_cfg->port = RPKI_DEFAULT_PORT;
}
}
;
rpki_cache_init:
{
this_rpki_cache_cfg = rpki_new_cache_cfg();
}
;
rpki_cache_addr:
text {
this_rpki_cache_cfg->hostname = $1;
}
| ipa {
this_rpki_cache_cfg->ip = $1;
this_rpki_cache_cfg->hostname = cfg_allocz(sizeof(INET6_ADDRSTRLEN+1));
bsnprintf(this_rpki_cache_cfg->hostname, INET6_ADDRSTRLEN+1, "%I", this_rpki_cache_cfg->ip);
}
;
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);
this_rpki_cache_cfg->port = $2;
}
| PREFERENCE expr {
if ($2 < 1 || $2 > 0xFF)
cf_error("Value %d is out of range (1-255)", $2);
this_rpki_cache_cfg->preference = $2;
}
| REFRESH expr { this_rpki_cache_cfg->refresh_interval = $2; }
| RETRY expr { this_rpki_cache_cfg->retry_interval = $2; }
| EXPIRE expr { this_rpki_cache_cfg->expire_interval = $2; }
| SSH ENCRYPTION rpki_transport_ssh_init '{' rpki_transport_ssh_opts '}' rpki_transport_ssh_finish
;
rpki_transport_ssh_init:
{
this_rpki_cache_cfg->ssh = cfg_allocz(sizeof(struct rpki_cache_ssh_cfg));
}
;
rpki_transport_ssh_opts:
/* empty */
| rpki_transport_ssh_opts rpki_transport_ssh_item ';'
;
rpki_transport_ssh_item:
BIRD PRIVATE KEY text {
check_file_readability($4);
this_rpki_cache_cfg->ssh->bird_private_key = $4;
}
| CACHE PUBLIC KEY text {
check_file_readability($4);
this_rpki_cache_cfg->ssh->cache_public_key = $4;
}
| USER text {
this_rpki_cache_cfg->ssh->username = $2;
}
;
rpki_transport_ssh_finish:
{
#define RPKI_PARSE_CACHE_MISS_SSH_OPT(what) "Miss '" what ";' option in the %s protocol at cache server %s inside the ssh encryption block"
if (!this_rpki_cache_cfg->ssh->username)
cf_error(RPKI_PARSE_CACHE_MISS_SSH_OPT("user \"ssh_username\""), RPKI_CFG->c.name, this_rpki_cache_cfg->hostname);
}
CF_CODE
CF_END