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The RPKI protocol (RFC 6810) using the RTRLib (http://rpki.realmv6.org/) that is integrated inside the BIRD's code. Implemeted transports are: - unprotected transport over TCP - secure transport over SSHv2 Example configuration of bird.conf: ... roa4 table r4; roa6 table r6; protocol rpki { debug all; # Import both IPv4 and IPv6 ROAs roa4 { table r4; }; roa6 { table r6; }; # Set cache server (validator) address, # overwrite default port 323 remote "rpki-validator.realmv6.org" port 8282; # Overwrite default time intervals retry 10; # Default 600 seconds refresh 60; # Default 3600 seconds expire 600; # Default 7200 seconds } protocol rpki { debug all; # Import only IPv4 routes roa4 { table r4; }; # Set cache server address to localhost, # use default ports tcp => 323 or ssh => 22 remote 127.0.0.1; # Use SSH transport instead of unprotected transport over TCP ssh encryption { bird private key "/home/birdgeek/.ssh/id_rsa"; remote public key "/home/birdgeek/.ssh/known_hosts"; user "birdgeek"; }; } ...
145 lines
3.5 KiB
Plaintext
145 lines
3.5 KiB
Plaintext
/*
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* BIRD -- The Resource Public Key Infrastructure (RPKI) to Router Protocol
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*
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* (c) 2015 CZ.NIC
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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/rpki/rpki.h"
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CF_DEFINES
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#define RPKI_CFG ((struct rpki_config *) this_proto)
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#define RPKI_TR_SSH_CFG ((struct rpki_tr_ssh_config *) RPKI_CFG->tr_config.spec)
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static void
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rpki_check_unused_hostname(void)
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{
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if (RPKI_CFG->hostname != NULL)
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cf_error("Only one cache server per protocol allowed");
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}
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static void
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rpki_check_unused_transport(void)
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{
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if (RPKI_CFG->tr_config.spec != NULL)
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cf_error("At the most one transport per protocol allowed");
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}
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CF_DECLS
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CF_KEYWORDS(RPKI, REMOTE, BIRD, PRIVATE, PUBLIC, KEY, TCP, SSH, TRANSPORT, USER,
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RETRY, REFRESH, EXPIRE, KEEP)
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%type <i> rpki_keep_interval
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CF_GRAMMAR
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CF_ADDTO(proto, rpki_proto)
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rpki_proto_start: proto_start RPKI {
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this_proto = proto_config_new(&proto_rpki, $1);
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RPKI_CFG->retry_interval = RPKI_RETRY_INTERVAL;
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RPKI_CFG->refresh_interval = RPKI_REFRESH_INTERVAL;
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RPKI_CFG->expire_interval = RPKI_EXPIRE_INTERVAL;
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};
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rpki_proto: rpki_proto_start proto_name '{' rpki_proto_opts '}' { rpki_check_config(RPKI_CFG); };
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rpki_proto_opts:
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/* empty */
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| rpki_proto_opts rpki_proto_item ';'
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;
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rpki_proto_item:
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proto_item
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| proto_channel
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| REMOTE rpki_cache_addr
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| REMOTE rpki_cache_addr rpki_proto_item_port
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| rpki_proto_item_port
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| TRANSPORT rpki_transport
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| REFRESH rpki_keep_interval expr {
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if (rpki_check_refresh_interval($3))
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cf_error(rpki_check_refresh_interval($3));
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RPKI_CFG->refresh_interval = $3;
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RPKI_CFG->keep_refresh_interval = $2;
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}
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| RETRY rpki_keep_interval expr {
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if (rpki_check_retry_interval($3))
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cf_error(rpki_check_retry_interval($3));
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RPKI_CFG->retry_interval = $3;
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RPKI_CFG->keep_retry_interval = $2;
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}
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| EXPIRE rpki_keep_interval expr {
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if (rpki_check_expire_interval($3))
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cf_error(rpki_check_expire_interval($3));
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RPKI_CFG->expire_interval = $3;
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RPKI_CFG->keep_expire_interval = $2;
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}
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;
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rpki_keep_interval:
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/* empty */ { $$ = 0; }
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| KEEP { $$ = 1; }
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;
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rpki_proto_item_port: PORT expr { check_u16($2); RPKI_CFG->port = $2; };
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rpki_cache_addr:
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text {
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rpki_check_unused_hostname();
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RPKI_CFG->hostname = $1;
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}
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| ipa {
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rpki_check_unused_hostname();
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RPKI_CFG->ip = $1;
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/* Ensure hostname is filled */
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char *hostname = cfg_allocz(sizeof(INET6_ADDRSTRLEN + 1));
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bsnprintf(hostname, INET6_ADDRSTRLEN+1, "%I", RPKI_CFG->ip);
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RPKI_CFG->hostname = hostname;
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}
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;
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rpki_transport:
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TCP rpki_transport_tcp_init
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| SSH rpki_transport_ssh_init '{' rpki_transport_ssh_opts '}' rpki_transport_ssh_check
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;
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rpki_transport_tcp_init:
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{
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rpki_check_unused_transport();
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RPKI_CFG->tr_config.spec = cfg_allocz(sizeof(struct rpki_tr_tcp_config));
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RPKI_CFG->tr_config.type = RPKI_TR_TCP;
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};
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rpki_transport_ssh_init:
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{
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rpki_check_unused_transport();
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RPKI_CFG->tr_config.spec = cfg_allocz(sizeof(struct rpki_tr_ssh_config));
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RPKI_CFG->tr_config.type = RPKI_TR_SSH;
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};
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rpki_transport_ssh_opts:
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/* empty */
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| rpki_transport_ssh_opts rpki_transport_ssh_item ';'
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;
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rpki_transport_ssh_item:
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BIRD PRIVATE KEY text { RPKI_TR_SSH_CFG->bird_private_key = $4; }
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| REMOTE PUBLIC KEY text { RPKI_TR_SSH_CFG->cache_public_key = $4; }
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| USER text { RPKI_TR_SSH_CFG->user = $2; }
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;
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rpki_transport_ssh_check:
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{
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if (RPKI_TR_SSH_CFG->user == NULL)
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cf_error("User must be set");
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};
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CF_CODE
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CF_END
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