d7661fbe9d
Explicit setting of AF_INET(6|) in IP socket creation. BFD set to listen on v6, without setting the V6ONLY flag to catch both v4 and v6 traffic. Squashing and minor changes by Ondrej Santiago Zajicek
626 lines
17 KiB
Text
626 lines
17 KiB
Text
/*
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* BIRD -- Core Configuration
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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* (c) 2004 Ondrej Filip <feela@network.cz>
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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 "nest/rt-dev.h"
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#include "nest/password.h"
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#include "nest/cmds.h"
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#include "lib/lists.h"
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CF_DEFINES
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static struct proto_config *this_proto;
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static struct iface_patt *this_ipatt;
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static struct iface_patt_node *this_ipn;
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static struct roa_table_config *this_roa_table;
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static list *this_p_list;
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static struct password_item *this_p_item;
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static int password_id;
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static void
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iface_patt_check(void)
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{
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struct iface_patt_node *pn;
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WALK_LIST(pn, this_ipatt->ipn_list)
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if (!pn->pattern || pn->prefix.pxlen) /* XXXX */
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cf_error("Interface name/mask expected, not IP prefix");
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}
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static inline void
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reset_passwords(void)
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{
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this_p_list = NULL;
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}
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static inline list *
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get_passwords(void)
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{
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list *rv = this_p_list;
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this_p_list = NULL;
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return rv;
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}
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#define DIRECT_CFG ((struct rt_dev_config *) this_proto)
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CF_DECLS
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CF_KEYWORDS(ROUTER, ID, PROTOCOL, TEMPLATE, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
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CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE, STATES, ROUTES, FILTERS)
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CF_KEYWORDS(IPV4, IPVX, VPN4, VPN6)
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CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED)
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CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
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CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE, ROA)
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CF_KEYWORDS(LISTEN, BGP, V6ONLY, DUAL, ADDRESS, PORT, PASSWORDS, DESCRIPTION, SORTED)
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CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
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CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS)
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CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
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RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE)
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CF_ENUM(T_ENUM_SCOPE, SCOPE_, HOST, LINK, SITE, ORGANIZATION, UNIVERSE, UNDEFINED)
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CF_ENUM(T_ENUM_RTC, RTC_, UNICAST, BROADCAST, MULTICAST, ANYCAST)
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CF_ENUM(T_ENUM_RTD, RTD_, ROUTER, DEVICE, BLACKHOLE, UNREACHABLE, PROHIBIT, MULTIPATH)
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CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID)
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%type <i32> idval
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%type <f> imexport
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%type <r> rtable
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%type <s> optsym
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%type <ra> r_args
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%type <sd> sym_args
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%type <i> proto_start echo_mask echo_size debug_mask debug_list debug_flag mrtdump_mask mrtdump_list mrtdump_flag export_mode limit_action table_type table_sorted tos
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%type <ps> proto_patt proto_patt2
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%type <g> limit_spec
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CF_GRAMMAR
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/* Setting of router ID */
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CF_ADDTO(conf, rtrid)
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rtrid:
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ROUTER ID idval ';' { new_config->router_id = $3; }
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| ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; }
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;
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idval:
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NUM { $$ = $1; }
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| '(' term ')' { $$ = f_eval_int($2); }
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| IP4 { $$ = ip4_to_u32($1); }
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| SYM {
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if ($1->class == (SYM_CONSTANT | T_INT) || $1->class == (SYM_CONSTANT | T_QUAD))
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$$ = SYM_VAL($1).i;
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#ifndef IPV6
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else if ($1->class == (SYM_CONSTANT | T_IP))
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$$ = ipa_to_u32(SYM_VAL($1).px.ip);
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#endif
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else
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cf_error("Number of IPv4 address constant expected");
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}
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;
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CF_ADDTO(conf, listen)
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listen: LISTEN BGP listen_opts ';' ;
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listen_opts:
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/* Nothing */
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| listen_opts listen_opt
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;
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listen_opt:
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ADDRESS ipa { new_config->listen_bgp_addr = $2; }
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| PORT expr { new_config->listen_bgp_port = $2; }
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| V6ONLY { new_config->listen_bgp_flags = 0; }
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| DUAL { new_config->listen_bgp_flags = 1; }
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;
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CF_ADDTO(conf, gr_opts)
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gr_opts: GRACEFUL RESTART WAIT expr ';' { new_config->gr_wait = $4; } ;
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/* Creation of routing tables */
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CF_ADDTO(conf, table)
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table_type:
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/* empty */ { $$ = NET_IP4; }
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| IPV4 { $$ = NET_IP4; }
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| IPVX { $$ = NET_IP6; } /* XXXX */
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| VPN4 { $$ = NET_VPN4; }
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| VPN6 { $$ = NET_VPN6; }
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;
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table_sorted:
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{ $$ = 0; }
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| SORTED { $$ = 1; }
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;
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table: table_type TABLE SYM table_sorted {
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struct rtable_config *cf;
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cf = rt_new_table($3, $1);
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cf->sorted = $4;
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}
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;
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/* Definition of protocols */
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CF_ADDTO(conf, proto)
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proto_start:
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PROTOCOL { $$ = SYM_PROTO; }
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| TEMPLATE { $$ = SYM_TEMPLATE; }
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;
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proto_name:
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/* EMPTY */ {
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struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
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s->class = this_proto->class;
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s->def = this_proto;
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this_proto->name = s->name;
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}
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| SYM {
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cf_define_symbol($1, this_proto->class, this_proto);
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this_proto->name = $1->name;
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}
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| FROM SYM {
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struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
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s->class = this_proto->class;
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s->def = this_proto;
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this_proto->name = s->name;
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if (($2->class != SYM_TEMPLATE) && ($2->class != SYM_PROTO)) cf_error("Template or protocol name expected");
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proto_copy_config(this_proto, $2->def);
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}
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| SYM FROM SYM {
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cf_define_symbol($1, this_proto->class, this_proto);
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this_proto->name = $1->name;
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if (($3->class != SYM_TEMPLATE) && ($3->class != SYM_PROTO)) cf_error("Template or protocol name expected");
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proto_copy_config(this_proto, $3->def);
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}
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;
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proto_item:
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/* EMPTY */
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| PREFERENCE expr {
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if ($2 < 0 || $2 > 0xFFFF) cf_error("Invalid preference");
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this_proto->preference = $2;
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}
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| DISABLED bool { this_proto->disabled = $2; }
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| DEBUG debug_mask { this_proto->debug = $2; }
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| MRTDUMP mrtdump_mask { this_proto->mrtdump = $2; }
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| IMPORT imexport { this_proto->in_filter = $2; }
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| EXPORT imexport { this_proto->out_filter = $2; }
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| RECEIVE LIMIT limit_spec { this_proto->rx_limit = $3; }
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| IMPORT LIMIT limit_spec { this_proto->in_limit = $3; }
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| EXPORT LIMIT limit_spec { this_proto->out_limit = $3; }
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| IMPORT KEEP FILTERED bool { this_proto->in_keep_filtered = $4; }
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| TABLE rtable { this_proto->table = $2; }
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| ROUTER ID idval { this_proto->router_id = $3; }
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| DESCRIPTION text { this_proto->dsc = $2; }
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;
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imexport:
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FILTER filter { $$ = $2; }
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| where_filter
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| ALL { $$ = FILTER_ACCEPT; }
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| NONE { $$ = FILTER_REJECT; }
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;
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limit_action:
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/* default */ { $$ = PLA_DISABLE; }
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| ACTION WARN { $$ = PLA_WARN; }
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| ACTION BLOCK { $$ = PLA_BLOCK; }
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| ACTION RESTART { $$ = PLA_RESTART; }
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| ACTION DISABLE { $$ = PLA_DISABLE; }
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;
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limit_spec:
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expr limit_action {
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struct proto_limit *l = cfg_allocz(sizeof(struct proto_limit));
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l->limit = $1;
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l->action = $2;
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$$ = l;
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}
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| OFF { $$ = NULL; }
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;
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rtable:
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SYM {
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if ($1->class != SYM_TABLE) cf_error("Table name expected");
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$$ = $1->def;
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}
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;
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CF_ADDTO(conf, debug_default)
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debug_default:
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DEBUG PROTOCOLS debug_mask { new_config->proto_default_debug = $3; }
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| DEBUG COMMANDS expr { new_config->cli_debug = $3; }
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;
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/* MRTDUMP PROTOCOLS is in systep/unix/config.Y */
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/* Interface patterns */
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iface_patt_node_init:
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/* EMPTY */ {
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struct iface_patt_node *ipn = cfg_allocz(sizeof(struct iface_patt_node));
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add_tail(&this_ipatt->ipn_list, NODE ipn);
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this_ipn = ipn;
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}
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;
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iface_patt_node_body:
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TEXT { this_ipn->pattern = $1; net_fill_ip6(&this_ipn->prefix, IP6_NONE, 0); /* XXXX */ }
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| opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2.n; }
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;
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iface_negate:
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{ this_ipn->positive = 1; }
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| '-' { this_ipn->positive = 0; }
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;
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iface_patt_node:
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iface_patt_node_init iface_negate iface_patt_node_body
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;
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iface_patt_list:
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iface_patt_node
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| iface_patt_list ',' iface_patt_node
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;
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/* For name/mask-only iface patterns */
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iface_patt_list_nopx: iface_patt_list { iface_patt_check(); }
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iface_patt_init: {
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/* Generic this_ipatt init */
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this_ipatt = cfg_allocz(sizeof(struct iface_patt));
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init_list(&this_ipatt->ipn_list);
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}
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;
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iface_patt:
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iface_patt_init iface_patt_list
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;
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tos:
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CLASS expr { $$ = $2 & 0xfc; if (($2 < 0) || ($2 > 255)) cf_error("TX class must be in range 0-255"); }
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| DSCP expr { $$ = ($2 & 0x3f) << 2; if (($2 < 0) || ($2 > 63)) cf_error("TX DSCP must be in range 0-63"); }
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;
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/* Direct device route protocol */
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CF_ADDTO(proto, dev_proto '}')
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dev_proto_start: proto_start DIRECT {
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this_proto = proto_config_new(&proto_device, $1);
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init_list(&DIRECT_CFG->iface_list);
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}
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;
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dev_proto:
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dev_proto_start proto_name '{'
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| dev_proto proto_item ';'
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| dev_proto dev_iface_patt ';'
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;
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dev_iface_init:
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/* EMPTY */ {
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this_ipatt = cfg_allocz(sizeof(struct iface_patt));
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add_tail(&DIRECT_CFG->iface_list, NODE this_ipatt);
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init_list(&this_ipatt->ipn_list);
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}
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;
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dev_iface_patt:
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INTERFACE dev_iface_init iface_patt_list
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;
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/* Debug flags */
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debug_mask:
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ALL { $$ = ~0; }
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| OFF { $$ = 0; }
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| '{' debug_list '}' { $$ = $2; }
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;
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debug_list:
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debug_flag
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| debug_list ',' debug_flag { $$ = $1 | $3; }
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;
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debug_flag:
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STATES { $$ = D_STATES; }
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| ROUTES { $$ = D_ROUTES; }
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| FILTERS { $$ = D_FILTERS; }
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| INTERFACES { $$ = D_IFACES; }
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| EVENTS { $$ = D_EVENTS; }
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| PACKETS { $$ = D_PACKETS; }
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;
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/* MRTDump flags */
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mrtdump_mask:
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ALL { $$ = ~0; }
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| OFF { $$ = 0; }
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| '{' mrtdump_list '}' { $$ = $2; }
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;
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mrtdump_list:
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mrtdump_flag
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| mrtdump_list ',' mrtdump_flag { $$ = $1 | $3; }
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;
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mrtdump_flag:
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STATES { $$ = MD_STATES; }
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| MESSAGES { $$ = MD_MESSAGES; }
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;
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/* Password lists */
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password_list:
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PASSWORDS '{' password_items '}'
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| password_item
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;
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password_items:
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/* empty */
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| password_item ';' password_items
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;
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password_item:
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password_item_begin '{' password_item_params '}'
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| password_item_begin
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;
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password_item_begin:
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PASSWORD text {
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if (!this_p_list) {
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this_p_list = cfg_alloc(sizeof(list));
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init_list(this_p_list);
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password_id = 1;
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}
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this_p_item = cfg_alloc(sizeof (struct password_item));
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this_p_item->password = $2;
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this_p_item->genfrom = 0;
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this_p_item->gento = TIME_INFINITY;
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this_p_item->accfrom = 0;
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this_p_item->accto = TIME_INFINITY;
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this_p_item->id = password_id++;
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add_tail(this_p_list, &this_p_item->n);
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}
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;
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password_item_params:
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/* empty */ { }
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| GENERATE FROM datetime ';' password_item_params { this_p_item->genfrom = $3; }
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| GENERATE TO datetime ';' password_item_params { this_p_item->gento = $3; }
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| ACCEPT FROM datetime ';' password_item_params { this_p_item->accfrom = $3; }
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| ACCEPT TO datetime ';' password_item_params { this_p_item->accto = $3; }
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| ID expr ';' password_item_params { this_p_item->id = $2; if ($2 <= 0) cf_error("Password ID has to be greated than zero."); }
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;
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/* Core commands */
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CF_CLI_HELP(SHOW, ..., [[Show status information]])
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CF_CLI(SHOW STATUS,,, [[Show router status]])
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{ cmd_show_status(); } ;
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CF_CLI(SHOW MEMORY,,, [[Show memory usage]])
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{ cmd_show_memory(); } ;
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CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]])
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{ proto_apply_cmd($3, proto_cmd_show, 0, 0); } ;
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CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]])
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{ proto_apply_cmd($4, proto_cmd_show, 0, 1); } ;
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optsym:
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SYM
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| /* empty */ { $$ = NULL; }
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;
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CF_CLI(SHOW INTERFACES,,, [[Show network interfaces]])
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{ if_show(); } ;
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CF_CLI(SHOW INTERFACES SUMMARY,,, [[Show summary of network interfaces]])
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{ if_show_summary(); } ;
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CF_CLI_HELP(SHOW ROUTE, ..., [[Show routing table]])
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CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [filtered] [(export|preexport|noexport) <p>] [protocol <p>] [stats|count]]], [[Show routing table]])
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{ rt_show($3); } ;
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r_args:
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/* empty */ {
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$$ = cfg_allocz(sizeof(struct rt_show_data));
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$$->filter = FILTER_ACCEPT;
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}
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| r_args net_any {
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$$ = $1;
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if ($$->prefix) cf_error("Only one prefix expected");
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$$->prefix = $2;
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}
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| r_args FOR net_or_ipa {
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$$ = $1;
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if ($$->prefix) cf_error("Only one prefix expected");
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$$->prefix = &($3.n);
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$$->show_for = 1;
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}
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| r_args TABLE SYM {
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$$ = $1;
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if ($3->class != SYM_TABLE) cf_error("%s is not a table", $3->name);
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$$->table = ((struct rtable_config *)$3->def)->table;
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}
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| r_args FILTER filter {
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$$ = $1;
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if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
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$$->filter = $3;
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}
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| r_args where_filter {
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$$ = $1;
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if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
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$$->filter = $2;
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}
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| r_args ALL {
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$$ = $1;
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$$->verbose = 1;
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}
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| r_args PRIMARY {
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$$ = $1;
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$$->primary_only = 1;
|
|
}
|
|
| r_args FILTERED {
|
|
$$ = $1;
|
|
$$->filtered = 1;
|
|
}
|
|
| r_args export_mode SYM {
|
|
struct proto_config *c = (struct proto_config *) $3->def;
|
|
$$ = $1;
|
|
if ($$->export_mode) cf_error("Protocol specified twice");
|
|
if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
|
|
$$->export_mode = $2;
|
|
$$->export_protocol = c->proto;
|
|
$$->running_on_config = c->proto->cf->global;
|
|
}
|
|
| r_args PROTOCOL SYM {
|
|
struct proto_config *c = (struct proto_config *) $3->def;
|
|
$$ = $1;
|
|
if ($$->show_protocol) cf_error("Protocol specified twice");
|
|
if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
|
|
$$->show_protocol = c->proto;
|
|
$$->running_on_config = c->proto->cf->global;
|
|
}
|
|
| r_args STATS {
|
|
$$ = $1;
|
|
$$->stats = 1;
|
|
}
|
|
| r_args COUNT {
|
|
$$ = $1;
|
|
$$->stats = 2;
|
|
}
|
|
;
|
|
|
|
export_mode:
|
|
PREEXPORT { $$ = RSEM_PREEXPORT; }
|
|
| EXPORT { $$ = RSEM_EXPORT; }
|
|
| NOEXPORT { $$ = RSEM_NOEXPORT; }
|
|
;
|
|
|
|
|
|
CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]])
|
|
CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]])
|
|
{ cmd_show_symbols($3); } ;
|
|
|
|
sym_args:
|
|
/* empty */ {
|
|
$$ = cfg_allocz(sizeof(struct sym_show_data));
|
|
}
|
|
| sym_args TABLE { $$ = $1; $$->type = SYM_TABLE; }
|
|
| sym_args FUNCTION { $$ = $1; $$->type = SYM_FUNCTION; }
|
|
| sym_args FILTER { $$ = $1; $$->type = SYM_FILTER; }
|
|
| sym_args PROTOCOL { $$ = $1; $$->type = SYM_PROTO; }
|
|
| sym_args TEMPLATE { $$ = $1; $$->type = SYM_TEMPLATE; }
|
|
| sym_args SYM { $$ = $1; $$->sym = $2; }
|
|
;
|
|
|
|
|
|
CF_CLI_HELP(DUMP, ..., [[Dump debugging information]])
|
|
CF_CLI(DUMP RESOURCES,,, [[Dump all allocated resource]])
|
|
{ rdump(&root_pool); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP SOCKETS,,, [[Dump open sockets]])
|
|
{ sk_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP EVENTS,,, [[Dump event log]])
|
|
{ io_log_dump(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP INTERFACES,,, [[Dump interface information]])
|
|
{ if_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP NEIGHBORS,,, [[Dump neighbor cache]])
|
|
{ neigh_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP ATTRIBUTES,,, [[Dump attribute cache]])
|
|
{ rta_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP ROUTES,,, [[Dump routing table]])
|
|
{ rt_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
|
|
{ protos_dump_all(); cli_msg(0, ""); } ;
|
|
|
|
CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
|
|
{ cmd_eval($2); } ;
|
|
|
|
CF_CLI_HELP(ECHO, ..., [[Control echoing of log messages]])
|
|
CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug | trace | info | remote | warning | error | auth }) [<buffer-size>], [[Control echoing of log messages]]) {
|
|
cli_set_log_echo(this_cli, $2, $3);
|
|
cli_msg(0, "");
|
|
} ;
|
|
|
|
echo_mask:
|
|
ALL { $$ = ~0; }
|
|
| OFF { $$ = 0; }
|
|
| '{' log_mask_list '}' { $$ = $2; }
|
|
;
|
|
|
|
echo_size:
|
|
/* empty */ { $$ = 4096; }
|
|
| NUM {
|
|
if ($1 < 256 || $1 > 65536) cf_error("Invalid log buffer size");
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
CF_CLI(DISABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Disable protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_disable, 1, 0); } ;
|
|
CF_CLI(ENABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Enable protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_enable, 1, 0); } ;
|
|
CF_CLI(RESTART, proto_patt, <protocol> | \"<pattern>\" | all, [[Restart protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_restart, 1, 0); } ;
|
|
CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
|
|
CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
|
|
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_IN); } ;
|
|
CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]])
|
|
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
|
|
|
|
CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
|
|
CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | interfaces | events | packets }), [[Control protocol debugging via BIRD logs]])
|
|
{ proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
|
|
|
|
CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
|
|
CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | <pattern> | all) (all | off | { states | messages }), [[Control protocol debugging via MRTdump format]])
|
|
{ proto_apply_cmd($2, proto_cmd_mrtdump, 1, $3); } ;
|
|
|
|
CF_CLI(RESTRICT,,,[[Restrict current CLI session to safe commands]])
|
|
{ this_cli->restricted = 1; cli_msg(16, "Access restricted"); } ;
|
|
|
|
proto_patt:
|
|
SYM { $$.ptr = $1; $$.patt = 0; }
|
|
| ALL { $$.ptr = NULL; $$.patt = 1; }
|
|
| TEXT { $$.ptr = $1; $$.patt = 1; }
|
|
;
|
|
|
|
proto_patt2:
|
|
SYM { $$.ptr = $1; $$.patt = 0; }
|
|
| { $$.ptr = NULL; $$.patt = 1; }
|
|
| TEXT { $$.ptr = $1; $$.patt = 1; }
|
|
;
|
|
|
|
CF_ADDTO(dynamic_attr, IGP_METRIC
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); })
|
|
|
|
|
|
CF_CODE
|
|
|
|
CF_END
|