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1.1 ! misho 1: /* ! 2: * BIRD -- Border Gateway Protocol Configuration ! 3: * ! 4: * (c) 2000 Martin Mares <mj@ucw.cz> ! 5: * ! 6: * Can be freely distributed and used under the terms of the GNU GPL. ! 7: */ ! 8: ! 9: CF_HDR ! 10: ! 11: #include "proto/bgp/bgp.h" ! 12: ! 13: CF_DEFINES ! 14: ! 15: #define BGP_CFG ((struct bgp_config *) this_proto) ! 16: ! 17: CF_DECLS ! 18: ! 19: CF_KEYWORDS(BGP, LOCAL, NEIGHBOR, AS, HOLD, TIME, CONNECT, RETRY, ! 20: KEEPALIVE, MULTIHOP, STARTUP, VIA, NEXT, HOP, SELF, DEFAULT, ! 21: PATH, METRIC, ERROR, START, DELAY, FORGET, WAIT, ENABLE, ! 22: DISABLE, AFTER, BGP_PATH, BGP_LOCAL_PREF, BGP_MED, BGP_ORIGIN, ! 23: BGP_NEXT_HOP, BGP_ATOMIC_AGGR, BGP_AGGREGATOR, BGP_COMMUNITY, ! 24: BGP_EXT_COMMUNITY, SOURCE, ADDRESS, PASSWORD, RR, RS, CLIENT, ! 25: CLUSTER, ID, AS4, ADVERTISE, IPV4, CAPABILITIES, LIMIT, PASSIVE, ! 26: PREFER, OLDER, MISSING, LLADDR, DROP, IGNORE, ROUTE, REFRESH, ! 27: INTERPRET, COMMUNITIES, BGP_ORIGINATOR_ID, BGP_CLUSTER_LIST, IGP, ! 28: TABLE, GATEWAY, DIRECT, RECURSIVE, MED, TTL, SECURITY, DETERMINISTIC, ! 29: SECONDARY, ALLOW, BFD, ADD, PATHS, RX, TX, GRACEFUL, RESTART, AWARE, ! 30: CHECK, LINK, PORT, EXTENDED, MESSAGES, SETKEY, BGP_LARGE_COMMUNITY) ! 31: ! 32: CF_GRAMMAR ! 33: ! 34: CF_ADDTO(proto, bgp_proto '}' { bgp_check_config(BGP_CFG); } ) ! 35: ! 36: bgp_proto_start: proto_start BGP { ! 37: this_proto = proto_config_new(&proto_bgp, $1); ! 38: BGP_CFG->remote_port = BGP_PORT; ! 39: BGP_CFG->multihop = -1; /* undefined */ ! 40: BGP_CFG->hold_time = 240; ! 41: BGP_CFG->initial_hold_time = 240; ! 42: BGP_CFG->compare_path_lengths = 1; ! 43: BGP_CFG->igp_metric = 1; ! 44: BGP_CFG->connect_delay_time = 5; ! 45: BGP_CFG->connect_retry_time = 120; ! 46: BGP_CFG->error_amnesia_time = 300; ! 47: BGP_CFG->error_delay_time_min = 60; ! 48: BGP_CFG->error_delay_time_max = 300; ! 49: BGP_CFG->enable_refresh = 1; ! 50: BGP_CFG->enable_as4 = 1; ! 51: BGP_CFG->capabilities = 2; ! 52: BGP_CFG->advertise_ipv4 = 1; ! 53: BGP_CFG->interpret_communities = 1; ! 54: BGP_CFG->default_local_pref = 100; ! 55: BGP_CFG->gr_mode = BGP_GR_AWARE; ! 56: BGP_CFG->gr_time = 120; ! 57: BGP_CFG->setkey = 1; ! 58: } ! 59: ; ! 60: ! 61: bgp_nbr_opts: ! 62: /* empty */ ! 63: | bgp_nbr_opts PORT expr { BGP_CFG->remote_port = $3; if (($3<1) || ($3>65535)) cf_error("Invalid port number"); } ! 64: | bgp_nbr_opts AS expr { BGP_CFG->remote_as = $3; } ! 65: ; ! 66: ! 67: bgp_proto: ! 68: bgp_proto_start proto_name '{' ! 69: | bgp_proto proto_item ';' ! 70: | bgp_proto LOCAL AS expr ';' { BGP_CFG->local_as = $4; } ! 71: | bgp_proto LOCAL ipa AS expr ';' { BGP_CFG->source_addr = $3; BGP_CFG->local_as = $5; } ! 72: | bgp_proto NEIGHBOR bgp_nbr_opts ';' ! 73: | bgp_proto NEIGHBOR ipa ipa_scope bgp_nbr_opts ';' { ! 74: if (ipa_nonzero(BGP_CFG->remote_ip)) ! 75: cf_error("Only one neighbor per BGP instance is allowed"); ! 76: BGP_CFG->remote_ip = $3; ! 77: if ($4) BGP_CFG->iface = $4; ! 78: } ! 79: | bgp_proto INTERFACE TEXT ';' { BGP_CFG->iface = if_get_by_name($3); } ! 80: | bgp_proto RR CLUSTER ID idval ';' { BGP_CFG->rr_cluster_id = $5; } ! 81: | bgp_proto RR CLIENT ';' { BGP_CFG->rr_client = 1; } ! 82: | bgp_proto RS CLIENT ';' { BGP_CFG->rs_client = 1; } ! 83: | bgp_proto HOLD TIME expr ';' { BGP_CFG->hold_time = $4; } ! 84: | bgp_proto STARTUP HOLD TIME expr ';' { BGP_CFG->initial_hold_time = $5; } ! 85: | bgp_proto DIRECT ';' { BGP_CFG->multihop = 0; } ! 86: | bgp_proto MULTIHOP ';' { BGP_CFG->multihop = 64; } ! 87: | bgp_proto MULTIHOP expr ';' { BGP_CFG->multihop = $3; if (($3<1) || ($3>255)) cf_error("Multihop must be in range 1-255"); } ! 88: | bgp_proto NEXT HOP SELF ';' { BGP_CFG->next_hop_self = 1; BGP_CFG->next_hop_keep = 0; } ! 89: | bgp_proto NEXT HOP KEEP ';' { BGP_CFG->next_hop_keep = 1; BGP_CFG->next_hop_self = 0; } ! 90: | bgp_proto MISSING LLADDR SELF ';' { BGP_CFG->missing_lladdr = MLL_SELF; } ! 91: | bgp_proto MISSING LLADDR DROP ';' { BGP_CFG->missing_lladdr = MLL_DROP; } ! 92: | bgp_proto MISSING LLADDR IGNORE ';' { BGP_CFG->missing_lladdr = MLL_IGNORE; } ! 93: | bgp_proto GATEWAY DIRECT ';' { BGP_CFG->gw_mode = GW_DIRECT; } ! 94: | bgp_proto GATEWAY RECURSIVE ';' { BGP_CFG->gw_mode = GW_RECURSIVE; } ! 95: | bgp_proto PATH METRIC bool ';' { BGP_CFG->compare_path_lengths = $4; } ! 96: | bgp_proto MED METRIC bool ';' { BGP_CFG->med_metric = $4; } ! 97: | bgp_proto IGP METRIC bool ';' { BGP_CFG->igp_metric = $4; } ! 98: | bgp_proto PREFER OLDER bool ';' { BGP_CFG->prefer_older = $4; } ! 99: | bgp_proto DETERMINISTIC MED bool ';' { BGP_CFG->deterministic_med = $4; } ! 100: | bgp_proto DEFAULT BGP_MED expr ';' { BGP_CFG->default_med = $4; } ! 101: | bgp_proto DEFAULT BGP_LOCAL_PREF expr ';' { BGP_CFG->default_local_pref = $4; } ! 102: | bgp_proto SOURCE ADDRESS ipa ';' { BGP_CFG->source_addr = $4; } ! 103: | bgp_proto START DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; log(L_WARN "%s: Start delay time option is deprecated, use connect delay time", this_proto->name); } ! 104: | bgp_proto CONNECT DELAY TIME expr ';' { BGP_CFG->connect_delay_time = $5; } ! 105: | bgp_proto CONNECT RETRY TIME expr ';' { BGP_CFG->connect_retry_time = $5; } ! 106: | bgp_proto KEEPALIVE TIME expr ';' { BGP_CFG->keepalive_time = $4; } ! 107: | bgp_proto ERROR FORGET TIME expr ';' { BGP_CFG->error_amnesia_time = $5; } ! 108: | bgp_proto ERROR WAIT TIME expr ',' expr ';' { BGP_CFG->error_delay_time_min = $5; BGP_CFG->error_delay_time_max = $7; } ! 109: | bgp_proto DISABLE AFTER ERROR bool ';' { BGP_CFG->disable_after_error = $5; } ! 110: | bgp_proto ENABLE ROUTE REFRESH bool ';' { BGP_CFG->enable_refresh = $5; } ! 111: | bgp_proto ENABLE AS4 bool ';' { BGP_CFG->enable_as4 = $4; } ! 112: | bgp_proto ENABLE EXTENDED MESSAGES bool ';' { BGP_CFG->enable_extended_messages = $5; } ! 113: | bgp_proto CAPABILITIES bool ';' { BGP_CFG->capabilities = $3; } ! 114: | bgp_proto ADVERTISE IPV4 bool ';' { BGP_CFG->advertise_ipv4 = $4; } ! 115: | bgp_proto PASSWORD text ';' { BGP_CFG->password = $3; } ! 116: | bgp_proto SETKEY bool ';' { BGP_CFG->setkey = $3; } ! 117: | bgp_proto ROUTE LIMIT expr ';' { ! 118: this_proto->in_limit = cfg_allocz(sizeof(struct proto_limit)); ! 119: this_proto->in_limit->limit = $4; ! 120: this_proto->in_limit->action = PLA_RESTART; ! 121: log(L_WARN "%s: Route limit option is deprecated, use import limit", this_proto->name); ! 122: } ! 123: | bgp_proto PASSIVE bool ';' { BGP_CFG->passive = $3; } ! 124: | bgp_proto INTERPRET COMMUNITIES bool ';' { BGP_CFG->interpret_communities = $4; } ! 125: | bgp_proto SECONDARY bool ';' { BGP_CFG->secondary = $3; } ! 126: | bgp_proto ADD PATHS RX ';' { BGP_CFG->add_path = ADD_PATH_RX; } ! 127: | bgp_proto ADD PATHS TX ';' { BGP_CFG->add_path = ADD_PATH_TX; } ! 128: | bgp_proto ADD PATHS bool ';' { BGP_CFG->add_path = $4 ? ADD_PATH_FULL : 0; } ! 129: | bgp_proto ALLOW LOCAL AS ';' { BGP_CFG->allow_local_as = -1; } ! 130: | bgp_proto ALLOW LOCAL AS expr ';' { BGP_CFG->allow_local_as = $5; } ! 131: | bgp_proto GRACEFUL RESTART bool ';' { BGP_CFG->gr_mode = $4; } ! 132: | bgp_proto GRACEFUL RESTART AWARE ';' { BGP_CFG->gr_mode = BGP_GR_AWARE; } ! 133: | bgp_proto GRACEFUL RESTART TIME expr ';' { BGP_CFG->gr_time = $5; } ! 134: | bgp_proto IGP TABLE rtable ';' { BGP_CFG->igp_table = $4; } ! 135: | bgp_proto TTL SECURITY bool ';' { BGP_CFG->ttl_security = $4; } ! 136: | bgp_proto CHECK LINK bool ';' { BGP_CFG->check_link = $4; } ! 137: | bgp_proto BFD bool ';' { BGP_CFG->bfd = $3; cf_check_bfd($3); } ! 138: ; ! 139: ! 140: CF_ADDTO(dynamic_attr, BGP_ORIGIN ! 141: { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_ENUM_BGP_ORIGIN, EA_CODE(EAP_BGP, BA_ORIGIN)); }) ! 142: CF_ADDTO(dynamic_attr, BGP_PATH ! 143: { $$ = f_new_dynamic_attr(EAF_TYPE_AS_PATH, T_PATH, EA_CODE(EAP_BGP, BA_AS_PATH)); }) ! 144: CF_ADDTO(dynamic_attr, BGP_NEXT_HOP ! 145: { $$ = f_new_dynamic_attr(EAF_TYPE_IP_ADDRESS, T_IP, EA_CODE(EAP_BGP, BA_NEXT_HOP)); }) ! 146: CF_ADDTO(dynamic_attr, BGP_MED ! 147: { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_MULTI_EXIT_DISC)); }) ! 148: CF_ADDTO(dynamic_attr, BGP_LOCAL_PREF ! 149: { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_LOCAL_PREF)); }) ! 150: CF_ADDTO(dynamic_attr, BGP_ATOMIC_AGGR ! 151: { $$ = f_new_dynamic_attr(EAF_TYPE_OPAQUE, T_ENUM_EMPTY, EA_CODE(EAP_BGP, BA_ATOMIC_AGGR)); }) ! 152: CF_ADDTO(dynamic_attr, BGP_AGGREGATOR ! 153: { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_CODE(EAP_BGP, BA_AGGREGATOR)); }) ! 154: CF_ADDTO(dynamic_attr, BGP_COMMUNITY ! 155: { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_COMMUNITY)); }) ! 156: CF_ADDTO(dynamic_attr, BGP_ORIGINATOR_ID ! 157: { $$ = f_new_dynamic_attr(EAF_TYPE_ROUTER_ID, T_QUAD, EA_CODE(EAP_BGP, BA_ORIGINATOR_ID)); }) ! 158: CF_ADDTO(dynamic_attr, BGP_CLUSTER_LIST ! 159: { $$ = f_new_dynamic_attr(EAF_TYPE_INT_SET, T_CLIST, EA_CODE(EAP_BGP, BA_CLUSTER_LIST)); }) ! 160: CF_ADDTO(dynamic_attr, BGP_EXT_COMMUNITY ! 161: { $$ = f_new_dynamic_attr(EAF_TYPE_EC_SET, T_ECLIST, EA_CODE(EAP_BGP, BA_EXT_COMMUNITY)); }) ! 162: CF_ADDTO(dynamic_attr, BGP_LARGE_COMMUNITY ! 163: { $$ = f_new_dynamic_attr(EAF_TYPE_LC_SET, T_LCLIST, EA_CODE(EAP_BGP, BA_LARGE_COMMUNITY)); }) ! 164: ! 165: ! 166: ! 167: CF_ENUM(T_ENUM_BGP_ORIGIN, ORIGIN_, IGP, EGP, INCOMPLETE) ! 168: ! 169: CF_CODE ! 170: ! 171: CF_END