nest/config.Y

   1 /*
   2  *      BIRD -- Core Configuration
   3  *
   4  *      (c) 1998--2000 Martin Mares <mj@ucw.cz>
   5  *      (c) 2004       Ondrej Filip <feela@network.cz>
   6  *
   7  *      Can be freely distributed and used under the terms of the GNU GPL.
   8  */
   9
  10 CF_HDR
  11
  12 #include "nest/rt-dev.h"
  13 #include "nest/password.h"
  14 #include "nest/cmds.h"
  15 #include "lib/lists.h"
  16 #include "lib/mac.h"
  17
  18 CF_DEFINES
  19
  20 static struct proto_config *this_proto;
  21 static struct channel_config *this_channel;
  22 static struct iface_patt *this_ipatt;
  23 static struct iface_patt_node *this_ipn;
  24 /* static struct roa_table_config *this_roa_table; */
  25 static list *this_p_list;
  26 static struct password_item *this_p_item;
  27 static int password_id;
  28
  29 static void
  30 iface_patt_check(void)
  31 {
  32   struct iface_patt_node *pn;
  33
  34   WALK_LIST(pn, this_ipatt->ipn_list)
  35     if (!pn->pattern || pn->prefix.type)
  36       cf_error("Interface name/mask expected, not IP prefix");
  37 }
  38
  39
  40 static inline void
  41 reset_passwords(void)
  42 {
  43   this_p_list = NULL;
  44 }
  45
  46 static inline list *
  47 get_passwords(void)
  48 {
  49   list *rv = this_p_list;
  50   this_p_list = NULL;
  51   return rv;
  52 }
  53
  54 static void
  55 proto_postconfig(void)
  56 {
  57   CALL(this_proto->protocol->postconfig, this_proto);
  58   this_channel = NULL;
  59   this_proto = NULL;
  60 }
  61
  62
  63 #define DIRECT_CFG ((struct rt_dev_config *) this_proto)
  64
  65 CF_DECLS
  66
  67 CF_KEYWORDS(ROUTER, ID, PROTOCOL, TEMPLATE, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
  68 CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, VRF, TABLE, STATES, ROUTES, FILTERS)
  69 CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6)
  70 CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED)
  71 CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
  72 CF_KEYWORDS(ALGORITHM, KEYED, HMAC, MD5, SHA1, SHA256, SHA384, SHA512)
  73 CF_KEYWORDS(PRIMARY, STATS, COUNT, BY, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE)
  74 CF_KEYWORDS(BGP, PASSWORDS, DESCRIPTION, SORTED)
  75 CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
  76 CF_KEYWORDS(TIMEFORMAT, ISO, SHORT, LONG, ROUTE, PROTOCOL, BASE, LOG, S, MS, US)
  77 CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS)
  78
  79 /* For r_args_channel */
  80 CF_KEYWORDS(IPV4, IPV4_MC, IPV4_MPLS, IPV6, IPV6_MC, IPV6_MPLS, VPN4, VPN4_MC, VPN4_MPLS, VPN6, VPN6_MC, VPN6_MPLS, ROA4, ROA6, FLOW4, FLOW6, MPLS, PRI, SEC)
  81
  82 CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
  83         RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE, BABEL)
  84 CF_ENUM(T_ENUM_SCOPE, SCOPE_, HOST, LINK, SITE, ORGANIZATION, UNIVERSE, UNDEFINED)
  85 CF_ENUM(T_ENUM_RTD, RTD_, UNICAST, BLACKHOLE, UNREACHABLE, PROHIBIT)
  86 CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID)
  87
  88 %type <i32> idval
  89 %type <f> imexport
  90 %type <r> rtable
  91 %type <s> optsym
  92 %type <ra> r_args
  93 %type <sd> sym_args
  94 %type <i> proto_start echo_mask echo_size debug_mask debug_list debug_flag mrtdump_mask mrtdump_list mrtdump_flag export_mode limit_action net_type table_sorted tos password_algorithm
  95 %type <ps> proto_patt proto_patt2
  96 %type <cc> channel_start proto_channel
  97 %type <cl> limit_spec
  98 %type <net> r_args_for_val
  99 %type <net_ptr> r_args_for
 100 %type <t> r_args_channel
 101
 102 CF_GRAMMAR
 103
 104 /* Setting of router ID */
 105
 106 CF_ADDTO(conf, rtrid)
 107
 108 rtrid:
 109    ROUTER ID idval ';' { new_config->router_id = $3; }
 110  | ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; }
 111  ;
 112
 113 idval:
 114    NUM { $$ = $1; }
 115  | '(' term ')' { $$ = f_eval_int($2); }
 116  | IP4 { $$ = ip4_to_u32($1); }
 117  | SYM {
 118      if ($1->class == (SYM_CONSTANT | T_INT) || $1->class == (SYM_CONSTANT | T_QUAD))
 119        $$ = SYM_VAL($1).i;
 120      else if (($1->class == (SYM_CONSTANT | T_IP)) && ipa_is_ip4(SYM_VAL($1).ip))
 121        $$ = ipa_to_u32(SYM_VAL($1).ip);
 122      else
 123        cf_error("Number or IPv4 address constant expected");
 124    }
 125  ;
 126
 127 CF_ADDTO(conf, gr_opts)
 128
 129 gr_opts: GRACEFUL RESTART WAIT expr ';' { new_config->gr_wait = $4; } ;
 130
 131
 132 /* Network types (for tables, channels) */
 133
 134 net_type:
 135    IPV4 { $$ = NET_IP4; }
 136  | IPV6 { $$ = NET_IP6; }
 137  | VPN4 { $$ = NET_VPN4; }
 138  | VPN6 { $$ = NET_VPN6; }
 139  | ROA4 { $$ = NET_ROA4; }
 140  | ROA6 { $$ = NET_ROA6; }
 141  | FLOW4{ $$ = NET_FLOW4; }
 142  | FLOW6{ $$ = NET_FLOW6; }
 143  | MPLS { $$ = NET_MPLS; }
 144  ;
 145
 146 CF_ENUM(T_ENUM_NETTYPE, NET_, IP4, IP6, VPN4, VPN6, ROA4, ROA6, FLOW4, FLOW6)
 147
 148
 149 /* Creation of routing tables */
 150
 151 CF_ADDTO(conf, table)
 152
 153 table_sorted:
 154           { $$ = 0; }
 155  | SORTED { $$ = 1; }
 156  ;
 157
 158 table: net_type TABLE SYM table_sorted {
 159    struct rtable_config *cf;
 160    cf = rt_new_table($3, $1);
 161    cf->sorted = $4;
 162    }
 163  ;
 164
 165
 166 /* Definition of protocols */
 167
 168 CF_ADDTO(conf, proto { proto_postconfig(); })
 169
 170 proto_start:
 171    PROTOCOL { $$ = SYM_PROTO; }
 172  | TEMPLATE { $$ = SYM_TEMPLATE; }
 173  ;
 174
 175 proto_name:
 176    /* EMPTY */ {
 177      struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
 178      s->class = this_proto->class;
 179      s->def = this_proto;
 180      this_proto->name = s->name;
 181      }
 182  | SYM {
 183      cf_define_symbol($1, this_proto->class, this_proto);
 184      this_proto->name = $1->name;
 185    }
 186  | FROM SYM {
 187      struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
 188      s->class = this_proto->class;
 189      s->def = this_proto;
 190      this_proto->name = s->name;
 191
 192      if (($2->class != SYM_TEMPLATE) && ($2->class != SYM_PROTO)) cf_error("Template or protocol name expected");
 193      proto_copy_config(this_proto, $2->def);
 194    }
 195  | SYM FROM SYM {
 196      cf_define_symbol($1, this_proto->class, this_proto);
 197      this_proto->name = $1->name;
 198
 199      if (($3->class != SYM_TEMPLATE) && ($3->class != SYM_PROTO)) cf_error("Template or protocol name expected");
 200      proto_copy_config(this_proto, $3->def);
 201    }
 202  ;
 203
 204 proto_item:
 205    /* EMPTY */
 206  | DISABLED bool { this_proto->disabled = $2; }
 207  | DEBUG debug_mask { this_proto->debug = $2; }
 208  | MRTDUMP mrtdump_mask { this_proto->mrtdump = $2; }
 209  | ROUTER ID idval { this_proto->router_id = $3; }
 210  | DESCRIPTION text { this_proto->dsc = $2; }
 211  | VRF text { this_proto->vrf = if_get_by_name($2); }
 212  ;
 213
 214
 215 channel_start: net_type
 216 {
 217   $$ = this_channel = channel_config_get(NULL, net_label[$1], $1, this_proto);
 218 };
 219
 220 channel_item:
 221    TABLE rtable {
 222      if (this_channel->net_type && ($2->addr_type != this_channel->net_type))
 223        cf_error("Incompatible table type");
 224      this_channel->table = $2;
 225    }
 226  | IMPORT imexport { this_channel->in_filter = $2; }
 227  | EXPORT imexport { this_channel->out_filter = $2; }
 228  | RECEIVE LIMIT limit_spec { this_channel->rx_limit = $3; }
 229  | IMPORT LIMIT limit_spec { this_channel->in_limit = $3; }
 230  | EXPORT LIMIT limit_spec { this_channel->out_limit = $3; }
 231  | PREFERENCE expr { this_channel->preference = $2; check_u16($2); }
 232  | IMPORT KEEP FILTERED bool { this_channel->in_keep_filtered = $4; }
 233  ;
 234
 235 channel_opts:
 236    /* empty */
 237  | channel_opts channel_item ';'
 238  ;
 239
 240 channel_opt_list:
 241    /* empty */
 242  | '{' channel_opts '}'
 243  ;
 244
 245 channel_end:
 246 {
 247   if (!this_channel->table)
 248     cf_error("Routing table not specified");
 249
 250   this_channel = NULL;
 251 };
 252
 253 proto_channel: channel_start channel_opt_list channel_end;
 254
 255
 256 rtable:
 257    SYM {
 258      if ($1->class != SYM_TABLE) cf_error("Table expected");
 259      $$ = $1->def;
 260    }
 261  ;
 262
 263 imexport:
 264    FILTER filter { $$ = $2; }
 265  | where_filter
 266  | ALL { $$ = FILTER_ACCEPT; }
 267  | NONE { $$ = FILTER_REJECT; }
 268  ;
 269
 270 limit_action:
 271    /* default */ { $$ = PLA_DISABLE; }
 272  | ACTION WARN { $$ = PLA_WARN; }
 273  | ACTION BLOCK { $$ = PLA_BLOCK; }
 274  | ACTION RESTART { $$ = PLA_RESTART; }
 275  | ACTION DISABLE { $$ = PLA_DISABLE; }
 276  ;
 277
 278 limit_spec:
 279    expr limit_action { $$ = (struct channel_limit){ .limit = $1, $$.action = $2 }; }
 280  | OFF { $$ = (struct channel_limit){}; }
 281  ;
 282
 283
 284 CF_ADDTO(conf, debug_default)
 285
 286 debug_default:
 287    DEBUG PROTOCOLS debug_mask { new_config->proto_default_debug = $3; }
 288  | DEBUG COMMANDS expr { new_config->cli_debug = $3; }
 289  ;
 290
 291 /* MRTDUMP PROTOCOLS is in systep/unix/config.Y */
 292
 293 CF_ADDTO(conf, timeformat_base)
 294
 295 timeformat_which:
 296    ROUTE { $$ = &new_config->tf_route; }
 297  | PROTOCOL { $$ = &new_config->tf_proto; }
 298  | BASE { $$ = &new_config->tf_base; }
 299  | LOG { $$ = &new_config->tf_log; }
 300  ;
 301
 302 timeformat_spec:
 303    timeformat_which TEXT { *$1 = (struct timeformat){$2, NULL, 0}; }
 304  | timeformat_which TEXT expr TEXT { *$1 = (struct timeformat){$2, $4, (s64) $3 S_}; }
 305  | timeformat_which ISO SHORT    { *$1 = TM_ISO_SHORT_S; }
 306  | timeformat_which ISO SHORT MS { *$1 = TM_ISO_SHORT_MS; }
 307  | timeformat_which ISO SHORT US { *$1 = TM_ISO_SHORT_US; }
 308  | timeformat_which ISO LONG    { *$1 = TM_ISO_LONG_S; }
 309  | timeformat_which ISO LONG MS { *$1 = TM_ISO_LONG_MS; }
 310  | timeformat_which ISO LONG US { *$1 = TM_ISO_LONG_US; }
 311  ;
 312
 313 timeformat_base:
 314    TIMEFORMAT timeformat_spec ';'
 315  ;
 316
 317
 318 /* Interface patterns */
 319
 320 iface_patt_node_init:
 321    /* EMPTY */ {
 322      struct iface_patt_node *ipn = cfg_allocz(sizeof(struct iface_patt_node));
 323      add_tail(&this_ipatt->ipn_list, NODE ipn);
 324      this_ipn = ipn;
 325    }
 326  ;
 327
 328 iface_patt_node_body:
 329    TEXT { this_ipn->pattern = $1; /* this_ipn->prefix stays zero */ }
 330  | opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2; }
 331  ;
 332
 333 iface_negate:
 334        { this_ipn->positive = 1; }
 335  | '-' { this_ipn->positive = 0; }
 336  ;
 337
 338 iface_patt_node:
 339    iface_patt_node_init iface_negate iface_patt_node_body
 340  ;
 341
 342
 343 iface_patt_list:
 344    iface_patt_node
 345  | iface_patt_list ',' iface_patt_node
 346  ;
 347
 348 /* For name/mask-only iface patterns */
 349 iface_patt_list_nopx: iface_patt_list { iface_patt_check(); }
 350
 351 iface_patt_init: {
 352    /* Generic this_ipatt init */
 353    this_ipatt = cfg_allocz(sizeof(struct iface_patt));
 354    init_list(&this_ipatt->ipn_list);
 355  }
 356  ;
 357
 358 iface_patt:
 359    iface_patt_init iface_patt_list
 360  ;
 361
 362 tos:
 363    CLASS expr { $$ = $2 & 0xfc;        if ($2 > 255) cf_error("TX class must be in range 0-255"); }
 364  | DSCP expr  { $$ = ($2 & 0x3f) << 2; if ($2 > 63)  cf_error("TX DSCP must be in range 0-63"); }
 365  ;
 366
 367 /* Direct device route protocol */
 368
 369 CF_ADDTO(proto, dev_proto '}')
 370
 371 dev_proto_start: proto_start DIRECT {
 372      this_proto = proto_config_new(&proto_device, $1);
 373      init_list(&DIRECT_CFG->iface_list);
 374    }
 375  ;
 376
 377 dev_proto:
 378    dev_proto_start proto_name '{'
 379  | dev_proto proto_item ';'
 380  | dev_proto proto_channel ';'
 381  | dev_proto dev_iface_patt ';'
 382  | dev_proto CHECK LINK bool ';' { DIRECT_CFG->check_link = $4; }
 383  ;
 384
 385 dev_iface_init:
 386    /* EMPTY */ {
 387      this_ipatt = cfg_allocz(sizeof(struct iface_patt));
 388      add_tail(&DIRECT_CFG->iface_list, NODE this_ipatt);
 389      init_list(&this_ipatt->ipn_list);
 390    }
 391  ;
 392
 393 dev_iface_patt:
 394    INTERFACE dev_iface_init iface_patt_list
 395  ;
 396
 397 /* Debug flags */
 398
 399 debug_mask:
 400    ALL { $$ = ~0; }
 401  | OFF { $$ = 0; }
 402  | '{' debug_list '}' { $$ = $2; }
 403  ;
 404
 405 debug_list:
 406    debug_flag
 407  | debug_list ',' debug_flag { $$ = $1 | $3; }
 408  ;
 409
 410 debug_flag:
 411    STATES       { $$ = D_STATES; }
 412  | ROUTES       { $$ = D_ROUTES; }
 413  | FILTERS      { $$ = D_FILTERS; }
 414  | INTERFACES   { $$ = D_IFACES; }
 415  | EVENTS       { $$ = D_EVENTS; }
 416  | PACKETS      { $$ = D_PACKETS; }
 417  ;
 418
 419 /* MRTDump flags */
 420
 421 mrtdump_mask:
 422    ALL { $$ = ~0; }
 423  | OFF { $$ = 0; }
 424  | '{' mrtdump_list '}' { $$ = $2; }
 425  ;
 426
 427 mrtdump_list:
 428    mrtdump_flag
 429  | mrtdump_list ',' mrtdump_flag { $$ = $1 | $3; }
 430  ;
 431
 432 mrtdump_flag:
 433    STATES       { $$ = MD_STATES; }
 434  | MESSAGES     { $$ = MD_MESSAGES; }
 435  ;
 436
 437 /* Password lists */
 438
 439 password_list:
 440    PASSWORDS '{' password_items '}'
 441  | password_item
 442 ;
 443
 444 password_items:
 445     /* empty */
 446   | password_item ';' password_items
 447 ;
 448
 449 password_item:
 450     password_item_begin '{' password_item_params '}'
 451   | password_item_begin
 452 ;
 453
 454 password_item_begin:
 455    PASSWORD text {
 456      if (!this_p_list) {
 457         this_p_list = cfg_alloc(sizeof(list));
 458         init_list(this_p_list);
 459         password_id = 1;
 460      }
 461      this_p_item = cfg_alloc(sizeof (struct password_item));
 462      this_p_item->password = $2;
 463      this_p_item->length = strlen($2);
 464      this_p_item->genfrom = 0;
 465      this_p_item->gento = TIME_INFINITY;
 466      this_p_item->accfrom = 0;
 467      this_p_item->accto = TIME_INFINITY;
 468      this_p_item->id = password_id++;
 469      this_p_item->alg = ALG_UNDEFINED;
 470      add_tail(this_p_list, &this_p_item->n);
 471    }
 472 ;
 473
 474 password_item_params:
 475    /* empty */ { }
 476  | GENERATE FROM time ';' password_item_params { this_p_item->genfrom = $3; }
 477  | GENERATE TO time ';' password_item_params { this_p_item->gento = $3; }
 478  | ACCEPT FROM time ';' password_item_params { this_p_item->accfrom = $3; }
 479  | ACCEPT TO time ';' password_item_params { this_p_item->accto = $3; }
 480  | FROM time ';' password_item_params { this_p_item->genfrom = this_p_item->accfrom = $2; }
 481  | TO time ';' password_item_params { this_p_item->gento = this_p_item->accto = $2; }
 482  | ID expr ';' password_item_params { this_p_item->id = $2; if ($2 <= 0) cf_error("Password ID has to be greated than zero."); }
 483  | ALGORITHM password_algorithm ';' password_item_params { this_p_item->alg = $2; }
 484  ;
 485
 486 password_algorithm:
 487    KEYED MD5    { $$ = ALG_MD5; }
 488  | KEYED SHA1   { $$ = ALG_SHA1; }
 489  | KEYED SHA256 { $$ = ALG_SHA256; }
 490  | KEYED SHA384 { $$ = ALG_SHA384; }
 491  | KEYED SHA512 { $$ = ALG_SHA512; }
 492  | HMAC MD5     { $$ = ALG_HMAC_MD5; }
 493  | HMAC SHA1    { $$ = ALG_HMAC_SHA1; }
 494  | HMAC SHA256  { $$ = ALG_HMAC_SHA256; }
 495  | HMAC SHA384  { $$ = ALG_HMAC_SHA384; }
 496  | HMAC SHA512  { $$ = ALG_HMAC_SHA512; }
 497  ;
 498
 499 /* Core commands */
 500 CF_CLI_HELP(SHOW, ..., [[Show status information]])
 501
 502 CF_CLI(SHOW STATUS,,, [[Show router status]])
 503 { cmd_show_status(); } ;
 504
 505 CF_CLI(SHOW MEMORY,,, [[Show memory usage]])
 506 { cmd_show_memory(); } ;
 507
 508 CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]])
 509 { proto_apply_cmd($3, proto_cmd_show, 0, 0); } ;
 510
 511 CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]])
 512 { proto_apply_cmd($4, proto_cmd_show, 0, 1); } ;
 513
 514 optsym:
 515    SYM
 516  | /* empty */ { $$ = NULL; }
 517  ;
 518
 519 CF_CLI(SHOW INTERFACES,,, [[Show network interfaces]])
 520 { if_show(); } ;
 521
 522 CF_CLI(SHOW INTERFACES SUMMARY,,, [[Show summary of network interfaces]])
 523 { if_show_summary(); } ;
 524
 525 CF_CLI_HELP(SHOW ROUTE, ..., [[Show routing table]])
 526 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]])
 527 { rt_show($3); } ;
 528
 529 r_args:
 530    /* empty */ {
 531      $$ = cfg_allocz(sizeof(struct rt_show_data));
 532      init_list(&($$->tables));
 533      $$->filter = FILTER_ACCEPT;
 534    }
 535  | r_args net_any {
 536      $$ = $1;
 537      if ($$->addr) cf_error("Only one prefix expected");
 538      $$->addr = $2;
 539    }
 540  | r_args FOR r_args_for {
 541      $$ = $1;
 542      if ($$->addr) cf_error("Only one prefix expected");
 543      $$->show_for = 1;
 544      $$->addr = $3;
 545    }
 546  | r_args TABLE SYM {
 547      $$ = $1;
 548      if ($3->class != SYM_TABLE) cf_error("%s is not a table", $3->name);
 549      rt_show_add_table($$, ((struct rtable_config *)$3->def)->table);
 550      $$->tables_defined_by = RSD_TDB_DIRECT;
 551    }
 552  | r_args TABLE ALL {
 553      struct rtable_config *t;
 554      $$ = $1;
 555      WALK_LIST(t, config->tables)
 556        rt_show_add_table($$, t->table);
 557      $$->tables_defined_by = RSD_TDB_ALL;
 558    }
 559  | r_args FILTER filter {
 560      $$ = $1;
 561      if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
 562      $$->filter = $3;
 563    }
 564  | r_args where_filter {
 565      $$ = $1;
 566      if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
 567      $$->filter = $2;
 568    }
 569  | r_args ALL {
 570      $$ = $1;
 571      $$->verbose = 1;
 572    }
 573  | r_args PRIMARY {
 574      $$ = $1;
 575      $$->primary_only = 1;
 576    }
 577  | r_args FILTERED {
 578      $$ = $1;
 579      $$->filtered = 1;
 580    }
 581  | r_args export_mode SYM {
 582      struct proto_config *c = (struct proto_config *) $3->def;
 583      $$ = $1;
 584      if ($$->export_mode) cf_error("Export specified twice");
 585      if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
 586      $$->export_mode = $2;
 587      $$->export_protocol = c->proto;
 588      $$->running_on_config = c->proto->cf->global;
 589      $$->tables_defined_by = RSD_TDB_INDIRECT;
 590    }
 591  | r_args export_mode SYM '.' r_args_channel {
 592      struct proto_config *c = (struct proto_config *) $3->def;
 593      $$ = $1;
 594      if ($$->export_mode) cf_error("Export specified twice");
 595      if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
 596      $$->export_mode = $2;
 597      $$->export_channel = proto_find_channel_by_name(c->proto, $5);
 598      if (!$$->export_channel) cf_error("Export channel not found");
 599      $$->running_on_config = c->proto->cf->global;
 600      $$->tables_defined_by = RSD_TDB_INDIRECT;
 601    }
 602  | r_args PROTOCOL SYM {
 603      struct proto_config *c = (struct proto_config *) $3->def;
 604      $$ = $1;
 605      if ($$->show_protocol) cf_error("Protocol specified twice");
 606      if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
 607      $$->show_protocol = c->proto;
 608      $$->running_on_config = c->proto->cf->global;
 609      $$->tables_defined_by = RSD_TDB_INDIRECT;
 610    }
 611  | r_args STATS {
 612      $$ = $1;
 613      $$->stats = 1;
 614    }
 615  | r_args COUNT {
 616      $$ = $1;
 617      $$->stats = 2;
 618    }
 619  ;
 620
 621 r_args_for:
 622   r_args_for_val {
 623     $$ = cfg_alloc($1.length);
 624     net_copy($$, &$1);
 625   }
 626  | net_vpn4_
 627  | net_vpn6_
 628  | VPN_RD IP4 {
 629     $$ = cfg_alloc(sizeof(net_addr_vpn4));
 630     net_fill_vpn4($$, $2, IP4_MAX_PREFIX_LENGTH, $1);
 631   }
 632  | VPN_RD IP6 {
 633     $$ = cfg_alloc(sizeof(net_addr_vpn6));
 634     net_fill_vpn6($$, $2, IP6_MAX_PREFIX_LENGTH, $1);
 635   }
 636  | SYM {
 637      if ($1->class == (SYM_CONSTANT | T_IP))
 638      {
 639        $$ = cfg_alloc(ipa_is_ip4(SYM_VAL($1).ip) ? sizeof(net_addr_ip4) : sizeof(net_addr_ip6));
 640        net_fill_ip_host($$, SYM_VAL($1).ip);
 641      }
 642      else if (($1->class == (SYM_CONSTANT | T_NET)) && net_type_match(SYM_VAL($1).net, NB_IP | NB_VPN))
 643        $$ = (net_addr *) SYM_VAL($1).net; /* Avoid const warning */
 644      else
 645        cf_error("IP address or network expected");
 646    }
 647  ;
 648
 649 r_args_for_val:
 650    net_ip4_
 651  | net_ip6_
 652  | IP4 { net_fill_ip4(&($$), $1, IP4_MAX_PREFIX_LENGTH); }
 653  | IP6 { net_fill_ip6(&($$), $1, IP6_MAX_PREFIX_LENGTH); }
 654
 655 export_mode:
 656    PREEXPORT    { $$ = RSEM_PREEXPORT; }
 657  | EXPORT       { $$ = RSEM_EXPORT; }
 658  | NOEXPORT     { $$ = RSEM_NOEXPORT; }
 659  ;
 660
 661 /* This is ugly hack */
 662 r_args_channel:
 663    IPV4         { $$ = "ipv4"; }
 664  | IPV4_MC      { $$ = "ipv4-mc"; }
 665  | IPV4_MPLS    { $$ = "ipv4-mpls"; }
 666  | IPV6         { $$ = "ipv6"; }
 667  | IPV6_MC      { $$ = "ipv6-mc"; }
 668  | IPV6_MPLS    { $$ = "ipv6-mpls"; }
 669  | VPN4         { $$ = "vpn4"; }
 670  | VPN4_MC      { $$ = "vpn4-mc"; }
 671  | VPN4_MPLS    { $$ = "vpn4-mpls"; }
 672  | VPN6         { $$ = "vpn6"; }
 673  | VPN6_MC      { $$ = "vpn6-mc"; }
 674  | VPN6_MPLS    { $$ = "vpn6-mpls"; }
 675  | ROA4         { $$ = "roa4"; }
 676  | ROA6         { $$ = "roa6"; }
 677  | FLOW4        { $$ = "flow4"; }
 678  | FLOW6        { $$ = "flow6"; }
 679  | MPLS         { $$ = "mpls"; }
 680  | PRI          { $$ = "pri"; }
 681  | SEC          { $$ = "sec"; }
 682  ;
 683
 684 CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]])
 685 CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]])
 686 { cmd_show_symbols($3); } ;
 687
 688 sym_args:
 689    /* empty */ {
 690      $$ = cfg_allocz(sizeof(struct sym_show_data));
 691    }
 692  | sym_args TABLE { $$ = $1; $$->type = SYM_TABLE; }
 693  | sym_args FUNCTION { $$ = $1; $$->type = SYM_FUNCTION; }
 694  | sym_args FILTER { $$ = $1; $$->type = SYM_FILTER; }
 695  | sym_args PROTOCOL { $$ = $1; $$->type = SYM_PROTO; }
 696  | sym_args TEMPLATE { $$ = $1; $$->type = SYM_TEMPLATE; }
 697  | sym_args SYM { $$ = $1; $$->sym = $2; }
 698  ;
 699
 700
 701 CF_CLI_HELP(DUMP, ..., [[Dump debugging information]])
 702 CF_CLI(DUMP RESOURCES,,, [[Dump all allocated resource]])
 703 { rdump(&root_pool); cli_msg(0, ""); } ;
 704 CF_CLI(DUMP SOCKETS,,, [[Dump open sockets]])
 705 { sk_dump_all(); cli_msg(0, ""); } ;
 706 CF_CLI(DUMP EVENTS,,, [[Dump event log]])
 707 { io_log_dump(); cli_msg(0, ""); } ;
 708 CF_CLI(DUMP INTERFACES,,, [[Dump interface information]])
 709 { if_dump_all(); cli_msg(0, ""); } ;
 710 CF_CLI(DUMP NEIGHBORS,,, [[Dump neighbor cache]])
 711 { neigh_dump_all(); cli_msg(0, ""); } ;
 712 CF_CLI(DUMP ATTRIBUTES,,, [[Dump attribute cache]])
 713 { rta_dump_all(); cli_msg(0, ""); } ;
 714 CF_CLI(DUMP ROUTES,,, [[Dump routing table]])
 715 { rt_dump_all(); cli_msg(0, ""); } ;
 716 CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
 717 { protos_dump_all(); cli_msg(0, ""); } ;
 718
 719 CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
 720 { cmd_eval($2); } ;
 721
 722 CF_CLI_HELP(ECHO, ..., [[Control echoing of log messages]])
 723 CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug|trace|info|remote|warning|error|auth [, ...] }) [<buffer-size>], [[Control echoing of log messages]]) {
 724   cli_set_log_echo(this_cli, $2, $3);
 725   cli_msg(0, "");
 726 } ;
 727
 728 echo_mask:
 729    ALL { $$ = ~0; }
 730  | OFF { $$ = 0; }
 731  | '{' log_mask_list '}' { $$ = $2; }
 732  ;
 733
 734 echo_size:
 735    /* empty */ { $$ = 4096; }
 736  | NUM {
 737      if ($1 < 256 || $1 > 65536) cf_error("Invalid log buffer size");
 738      $$ = $1;
 739    }
 740  ;
 741
 742 CF_CLI(DISABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Disable protocol]])
 743 { proto_apply_cmd($2, proto_cmd_disable, 1, (uintptr_t) $3); } ;
 744 CF_CLI(ENABLE, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Enable protocol]])
 745 { proto_apply_cmd($2, proto_cmd_enable, 1, (uintptr_t) $3); } ;
 746 CF_CLI(RESTART, proto_patt opttext, (<protocol> | \"<pattern>\" | all) [message], [[Restart protocol]])
 747 { proto_apply_cmd($2, proto_cmd_restart, 1, (uintptr_t) $3); } ;
 748 CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
 749 { proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
 750 CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
 751 { proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_IN); } ;
 752 CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]])
 753 { proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
 754
 755 CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
 756 CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | \"<pattern>\" | all) (all | off | { states|routes|filters|interfaces|events|packets [, ...] }), [[Control protocol debugging via BIRD logs]])
 757 { proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
 758
 759 CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
 760 CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | \"<pattern>\" | all) (all | off | { states|messages [, ...] }), [[Control protocol debugging via MRTdump format]])
 761 { proto_apply_cmd($2, proto_cmd_mrtdump, 1, $3); } ;
 762
 763 CF_CLI(RESTRICT,,,[[Restrict current CLI session to safe commands]])
 764 { this_cli->restricted = 1; cli_msg(16, "Access restricted"); } ;
 765
 766 proto_patt:
 767    SYM  { $$.ptr = $1; $$.patt = 0; }
 768  | ALL  { $$.ptr = NULL; $$.patt = 1; }
 769  | TEXT { $$.ptr = $1; $$.patt = 1; }
 770  ;
 771
 772 proto_patt2:
 773    SYM  { $$.ptr = $1; $$.patt = 0; }
 774  |      { $$.ptr = NULL; $$.patt = 1; }
 775  | TEXT { $$.ptr = $1; $$.patt = 1; }
 776  ;
 777
 778 CF_ADDTO(dynamic_attr, IGP_METRIC
 779         { $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); })
 780
 781
 782 CF_CODE
 783
 784 CF_END