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bird2 ver 2.0.7

    1: /*
    2:  *	BIRD -- The Resource Public Key Infrastructure (RPKI) to Router Protocol
    3:  *
    4:  *	(c) 2015 CZ.NIC
    5:  *
    6:  *	Can be freely distributed and used under the terms of the GNU GPL.
    7:  */
    8: 
    9: CF_HDR
   10: 
   11: #include "proto/rpki/rpki.h"
   12: 
   13: CF_DEFINES
   14: 
   15: #define RPKI_CFG ((struct rpki_config *) this_proto)
   16: #define RPKI_TR_SSH_CFG ((struct rpki_tr_ssh_config *) RPKI_CFG->tr_config.spec)
   17: 
   18: static void
   19: rpki_check_unused_hostname(void)
   20: {
   21:   if (RPKI_CFG->hostname != NULL)
   22:     cf_error("Only one cache server per protocol allowed");
   23: }
   24: 
   25: static void
   26: rpki_check_unused_transport(void)
   27: {
   28:   if (RPKI_CFG->tr_config.spec != NULL)
   29:     cf_error("At the most one transport per protocol allowed");
   30: }
   31: 
   32: CF_DECLS
   33: 
   34: CF_KEYWORDS(RPKI, REMOTE, BIRD, PRIVATE, PUBLIC, KEY, TCP, SSH, TRANSPORT, USER,
   35: 	    RETRY, REFRESH, EXPIRE, KEEP)
   36: 
   37: %type <i> rpki_keep_interval
   38: 
   39: CF_GRAMMAR
   40: 
   41: proto: rpki_proto ;
   42: 
   43: rpki_proto_start: proto_start RPKI {
   44:   this_proto = proto_config_new(&proto_rpki, $1);
   45:   RPKI_CFG->retry_interval = RPKI_RETRY_INTERVAL;
   46:   RPKI_CFG->refresh_interval = RPKI_REFRESH_INTERVAL;
   47:   RPKI_CFG->expire_interval = RPKI_EXPIRE_INTERVAL;
   48: };
   49: 
   50: rpki_proto: rpki_proto_start proto_name '{' rpki_proto_opts '}' { rpki_check_config(RPKI_CFG); };
   51: 
   52: rpki_proto_opts:
   53:    /* empty */
   54:  | rpki_proto_opts rpki_proto_item ';'
   55:  ;
   56: 
   57: rpki_proto_item:
   58:    proto_item
   59:  | proto_channel
   60:  | REMOTE rpki_cache_addr
   61:  | REMOTE rpki_cache_addr rpki_proto_item_port
   62:  | rpki_proto_item_port
   63:  | TRANSPORT rpki_transport
   64:  | REFRESH rpki_keep_interval expr {
   65:      if (rpki_check_refresh_interval($3))
   66:        cf_error(rpki_check_refresh_interval($3));
   67:      RPKI_CFG->refresh_interval = $3;
   68:      RPKI_CFG->keep_refresh_interval = $2;
   69:    }
   70:  | RETRY rpki_keep_interval expr {
   71:      if (rpki_check_retry_interval($3))
   72:        cf_error(rpki_check_retry_interval($3));
   73:      RPKI_CFG->retry_interval = $3;
   74:      RPKI_CFG->keep_retry_interval = $2;
   75:    }
   76:  | EXPIRE rpki_keep_interval expr {
   77:      if (rpki_check_expire_interval($3))
   78:        cf_error(rpki_check_expire_interval($3));
   79:      RPKI_CFG->expire_interval = $3;
   80:      RPKI_CFG->keep_expire_interval = $2;
   81:    }
   82:  ;
   83: 
   84: rpki_keep_interval:
   85:  /* empty */ { $$ = 0; }
   86:  | KEEP { $$ = 1; }
   87:  ;
   88: 
   89: rpki_proto_item_port: PORT expr { check_u16($2); RPKI_CFG->port = $2; };
   90: 
   91: rpki_cache_addr:
   92:    text {
   93:      rpki_check_unused_hostname();
   94:      RPKI_CFG->hostname = $1;
   95:    }
   96:  | ipa {
   97:      rpki_check_unused_hostname();
   98:      RPKI_CFG->ip = $1;
   99:      /* Ensure hostname is filled */
  100:      char *hostname = cfg_allocz(INET6_ADDRSTRLEN + 1);
  101:      bsnprintf(hostname, INET6_ADDRSTRLEN+1, "%I", RPKI_CFG->ip);
  102:      RPKI_CFG->hostname = hostname;
  103:    }
  104:  ;
  105: 
  106: rpki_transport:
  107:    TCP rpki_transport_tcp_init
  108:  | SSH rpki_transport_ssh_init '{' rpki_transport_ssh_opts '}' rpki_transport_ssh_check
  109:  ;
  110: 
  111: rpki_transport_tcp_init:
  112: {
  113:   rpki_check_unused_transport();
  114:   RPKI_CFG->tr_config.spec = cfg_allocz(sizeof(struct rpki_tr_tcp_config));
  115:   RPKI_CFG->tr_config.type = RPKI_TR_TCP;
  116: };
  117: 
  118: rpki_transport_ssh_init:
  119: {
  120:   rpki_check_unused_transport();
  121:   RPKI_CFG->tr_config.spec = cfg_allocz(sizeof(struct rpki_tr_ssh_config));
  122:   RPKI_CFG->tr_config.type = RPKI_TR_SSH;
  123: };
  124: 
  125: rpki_transport_ssh_opts:
  126:    /* empty */
  127:  | rpki_transport_ssh_opts rpki_transport_ssh_item ';'
  128:  ;
  129: 
  130: rpki_transport_ssh_item:
  131:    BIRD PRIVATE KEY text  { RPKI_TR_SSH_CFG->bird_private_key = $4; }
  132:  | REMOTE PUBLIC KEY text { RPKI_TR_SSH_CFG->cache_public_key = $4; }
  133:  | USER text              { RPKI_TR_SSH_CFG->user = $2; }
  134:  ;
  135: 
  136: rpki_transport_ssh_check:
  137: {
  138:   if (RPKI_TR_SSH_CFG->user == NULL)
  139:     cf_error("User must be set");
  140: };
  141: 
  142: CF_CODE
  143: 
  144: CF_END