mirror of
https://gitlab.nic.cz/labs/bird.git
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220 lines
6.3 KiB
Plaintext
220 lines
6.3 KiB
Plaintext
/*
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* BIRD -- Router Advertisement Configuration
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*
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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/bfd/bfd.h"
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CF_DEFINES
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#define BFD_CFG ((struct bfd_config *) this_proto)
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#define BFD_IFACE ((struct bfd_iface_config *) this_ipatt)
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#define BFD_NEIGHBOR this_bfd_neighbor
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static struct bfd_neighbor *this_bfd_neighbor;
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extern struct bfd_config *bfd_cf;
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CF_DECLS
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CF_KEYWORDS(BFD, MIN, IDLE, RX, TX, INTERVAL, MULTIPLIER, PASSIVE,
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INTERFACE, MULTIHOP, NEIGHBOR, DEV, LOCAL, AUTHENTICATION,
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NONE, SIMPLE, METICULOUS, KEYED, MD5, SHA1, IPV4, IPV6, DIRECT,
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STRICT, BIND)
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%type <iface> bfd_neigh_iface
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%type <a> bfd_neigh_local
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%type <i> bfd_neigh_multihop bfd_auth_type
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%type <bssc> bfd_show_sessions_args
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CF_GRAMMAR
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proto: bfd_proto ;
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bfd_proto_start: proto_start BFD
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{
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this_proto = proto_config_new(&proto_bfd, $1);
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this_proto->loop_order = DOMAIN_ORDER(proto);
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this_proto->loop_max_latency = 10 MS_;
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init_list(&BFD_CFG->patt_list);
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init_list(&BFD_CFG->neigh_list);
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BFD_CFG->accept_ipv4 = BFD_CFG->accept_ipv6 = 1;
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BFD_CFG->accept_direct = BFD_CFG->accept_multihop = 1;
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};
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bfd_proto_item:
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proto_item
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| ACCEPT bfd_accept
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| INTERFACE bfd_iface
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| MULTIHOP bfd_multihop
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| NEIGHBOR bfd_neighbor
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| STRICT BIND bool { BFD_CFG->strict_bind = $3; }
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;
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bfd_proto_opts:
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/* empty */
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| bfd_proto_opts bfd_proto_item ';'
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;
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bfd_proto:
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bfd_proto_start proto_name '{' bfd_proto_opts '}';
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bfd_accept_item:
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IPV4 { BFD_CFG->accept_ipv4 = 1; BFD_CFG->accept_ipv6 = 0; }
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| IPV6 { BFD_CFG->accept_ipv4 = 0; BFD_CFG->accept_ipv6 = 1; }
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| DIRECT { BFD_CFG->accept_direct = 1; BFD_CFG->accept_multihop = 0; }
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| MULTIHOP { BFD_CFG->accept_direct = 0; BFD_CFG->accept_multihop = 1; }
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;
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bfd_accept:
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{
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BFD_CFG->accept_ipv4 = BFD_CFG->accept_ipv6 = 1;
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BFD_CFG->accept_direct = BFD_CFG->accept_multihop = 1;
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}
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| bfd_accept bfd_accept_item
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bfd_iface_start:
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{
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this_ipatt = cfg_allocz(sizeof(struct bfd_iface_config));
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add_tail(&BFD_CFG->patt_list, NODE this_ipatt);
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init_list(&this_ipatt->ipn_list);
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BFD_IFACE->min_rx_int = BFD_DEFAULT_MIN_RX_INT;
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BFD_IFACE->min_tx_int = BFD_DEFAULT_MIN_TX_INT;
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BFD_IFACE->idle_tx_int = BFD_DEFAULT_IDLE_TX_INT;
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BFD_IFACE->multiplier = BFD_DEFAULT_MULTIPLIER;
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reset_passwords();
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};
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bfd_iface_finish:
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{
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BFD_IFACE->passwords = get_passwords();
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if (!BFD_IFACE->auth_type != !BFD_IFACE->passwords)
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cf_warn("Authentication and password options should be used together");
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if (BFD_IFACE->passwords)
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{
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struct password_item *pass;
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WALK_LIST(pass, *BFD_IFACE->passwords)
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{
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if (pass->alg)
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cf_error("Password algorithm option not available in BFD protocol");
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pass->alg = bfd_auth_type_to_hash_alg[BFD_IFACE->auth_type];
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}
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}
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};
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bfd_iface_item:
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INTERVAL expr_us { BFD_IFACE->min_rx_int = BFD_IFACE->min_tx_int = $2; }
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| MIN RX INTERVAL expr_us { BFD_IFACE->min_rx_int = $4; }
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| MIN TX INTERVAL expr_us { BFD_IFACE->min_tx_int = $4; }
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| IDLE TX INTERVAL expr_us { BFD_IFACE->idle_tx_int = $4; }
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| MULTIPLIER expr { BFD_IFACE->multiplier = $2; }
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| PASSIVE bool { BFD_IFACE->passive = $2; }
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| AUTHENTICATION bfd_auth_type { BFD_IFACE->auth_type = $2; }
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| password_list {}
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;
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bfd_auth_type:
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NONE { $$ = BFD_AUTH_NONE; }
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| SIMPLE { $$ = BFD_AUTH_SIMPLE; }
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| KEYED MD5 { $$ = BFD_AUTH_KEYED_MD5; }
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| KEYED SHA1 { $$ = BFD_AUTH_KEYED_SHA1; }
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| METICULOUS KEYED MD5 { $$ = BFD_AUTH_METICULOUS_KEYED_MD5; }
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| METICULOUS KEYED SHA1 { $$ = BFD_AUTH_METICULOUS_KEYED_SHA1; }
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;
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bfd_iface_opts:
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/* empty */
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| bfd_iface_opts bfd_iface_item ';'
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;
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bfd_iface_opt_list:
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/* empty */
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| '{' bfd_iface_opts '}'
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;
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bfd_iface:
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bfd_iface_start iface_patt_list_nopx bfd_iface_opt_list bfd_iface_finish;
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bfd_multihop:
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bfd_iface_start bfd_iface_opt_list bfd_iface_finish
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{ BFD_CFG->multihop = BFD_IFACE; };
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bfd_neigh_iface:
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/* empty */ { $$ = NULL; }
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| '%' symbol { $$ = if_get_by_name($2->name); }
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| DEV text { $$ = if_get_by_name($2); }
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;
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bfd_neigh_local:
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/* empty */ { $$ = IPA_NONE; }
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| LOCAL ipa { $$ = $2; }
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;
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bfd_neigh_multihop:
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/* empty */ { $$ = 0; }
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| MULTIHOP bool { $$ = $2; }
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;
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bfd_neighbor: ipa bfd_neigh_iface bfd_neigh_local bfd_neigh_multihop
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{
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this_bfd_neighbor = cfg_allocz(sizeof(struct bfd_neighbor));
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add_tail(&BFD_CFG->neigh_list, NODE this_bfd_neighbor);
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BFD_NEIGHBOR->addr = $1;
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BFD_NEIGHBOR->local = $3;
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BFD_NEIGHBOR->iface = $2;
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BFD_NEIGHBOR->multihop = $4;
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if ($4 && $2)
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cf_error("Neighbor cannot set both interface and multihop");
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if ($4 && ipa_zero($3))
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cf_error("Multihop neighbor requires specified local address");
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};
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CF_CLI_HELP(SHOW BFD, ..., [[Show information about BFD protocol]]);
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CF_CLI_HELP(SHOW BFD SESSIONS, ..., [[Show information about BFD sessions]]);
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CF_CLI(SHOW BFD SESSIONS, bfd_show_sessions_args, [<name>] [address <ip|prefix>] [(interface|dev) \"<name>\"] [ipv4|ipv6] [direct|multihop] [all], [[Show information about BFD sessions]])
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{ PROTO_WALK_CMD($4->name, &proto_bfd, p) bfd_show_sessions(p, $4); };
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CF_CLI_OPT(SHOW BFD SESSIONS ADDRESS, <ip>|<prefix>)
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CF_CLI_OPT(SHOW BFD SESSIONS INTERFACE, \"<name>\")
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CF_CLI_OPT(SHOW BFD SESSIONS DEV, \"<name>\")
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CF_CLI_OPT(SHOW BFD SESSIONS ALL)
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CF_CLI_OPT(SHOW BFD SESSIONS IPV4)
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CF_CLI_OPT(SHOW BFD SESSIONS IPV6)
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CF_CLI_OPT(SHOW BFD SESSIONS DIRECT)
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CF_CLI_OPT(SHOW BFD SESSIONS MULTIHOP)
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bfd_show_sessions_args:
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/* empty */ { $$ = cfg_allocz(sizeof(struct bfd_show_sessions_cmd)); }
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| bfd_show_sessions_args CF_SYM_KNOWN { cf_assert_symbol($2, SYM_PROTO); $$->name = $2; }
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| bfd_show_sessions_args ADDRESS net_or_ipa { net_copy(&($$->address), &($3)); }
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| bfd_show_sessions_args INTERFACE text { $$->iface = if_get_by_name($3); }
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| bfd_show_sessions_args DEV text { $$->iface = if_get_by_name($3); }
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| bfd_show_sessions_args ALL { $$->verbose = 1; }
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| bfd_show_sessions_args IPV4 { $$->ipv4 = 1; if ($$->ipv6) cf_error("Options 'ipv4' and 'ipv6' are mutually exclusive"); }
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| bfd_show_sessions_args IPV6 { $$->ipv6 = 1; if ($$->ipv4) cf_error("Options 'ipv4' and 'ipv6' are mutually exclusive"); }
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| bfd_show_sessions_args DIRECT { $$->direct = 1; if ($$->multihop) cf_error("Options 'direct' and 'multihop' are mutually exclusive"); }
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| bfd_show_sessions_args MULTIHOP { $$->multihop = 1; if ($$->direct) cf_error("Options 'direct' and 'multihop' are mutually exclusive"); }
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;
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CF_CODE
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CF_END
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