lib/command.h

   1 /*
   2  * Zebra configuration command interface routine
   3  * Copyright (C) 1997, 98 Kunihiro Ishiguro
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation; either version 2, or (at your
  10  * option) any later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Zebra; see the file COPYING.  If not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifndef _ZEBRA_COMMAND_H
  24 #define _ZEBRA_COMMAND_H
  25
  26 #include "vector.h"
  27 #include "vty.h"
  28 #include "lib/route_types.h"
  29
  30 /* Host configuration variable */
  31 struct host
  32 {
  33   /* Host name of this router. */
  34   char *name;
  35
  36   /* Password for vty interface. */
  37   char *password;
  38   char *password_encrypt;
  39
  40   /* Enable password */
  41   char *enable;
  42   char *enable_encrypt;
  43
  44   /* System wide terminal lines. */
  45   int lines;
  46
  47   /* Log filename. */
  48   char *logfile;
  49
  50   /* config file name of this host */
  51   char *config;
  52
  53   /* Flags for services */
  54   int advanced;
  55   int encrypt;
  56
  57   /* Banner configuration. */
  58   const char *motd;
  59   char *motdfile;
  60 };
  61
  62 /* There are some command levels which called from command node. */
  63 enum node_type
  64 {
  65   AUTH_NODE,                    /* Authentication mode of vty interface. */
  66   RESTRICTED_NODE,              /* Restricted view mode */
  67   VIEW_NODE,                    /* View node. Default mode of vty interface. */
  68   AUTH_ENABLE_NODE,             /* Authentication mode for change enable. */
  69   ENABLE_NODE,                  /* Enable node. */
  70   CONFIG_NODE,                  /* Config node. Default mode of config file. */
  71   SERVICE_NODE,                 /* Service node. */
  72   DEBUG_NODE,                   /* Debug node. */
  73   AAA_NODE,                     /* AAA node. */
  74   KEYCHAIN_NODE,                /* Key-chain node. */
  75   KEYCHAIN_KEY_NODE,            /* Key-chain key node. */
  76   INTERFACE_NODE,               /* Interface mode node. */
  77   ZEBRA_NODE,                   /* zebra connection node. */
  78   TABLE_NODE,                   /* rtm_table selection node. */
  79   RIP_NODE,                     /* RIP protocol mode node. */
  80   RIPNG_NODE,                   /* RIPng protocol mode node. */
  81   BABEL_NODE,                   /* Babel protocol mode node. */
  82   BGP_NODE,                     /* BGP protocol mode which includes BGP4+ */
  83   BGP_VPNV4_NODE,               /* BGP MPLS-VPN PE exchange. */
  84   BGP_IPV4_NODE,                /* BGP IPv4 unicast address family.  */
  85   BGP_IPV4M_NODE,               /* BGP IPv4 multicast address family.  */
  86   BGP_IPV6_NODE,                /* BGP IPv6 address family */
  87   BGP_IPV6M_NODE,               /* BGP IPv6 multicast address family. */
  88   OSPF_NODE,                    /* OSPF protocol mode */
  89   OSPF6_NODE,                   /* OSPF protocol for IPv6 mode */
  90   ISIS_NODE,                    /* ISIS protocol mode */
  91   MASC_NODE,                    /* MASC for multicast.  */
  92   IRDP_NODE,                    /* ICMP Router Discovery Protocol mode. */
  93   IP_NODE,                      /* Static ip route node. */
  94   ACCESS_NODE,                  /* Access list node. */
  95   PREFIX_NODE,                  /* Prefix list node. */
  96   ACCESS_IPV6_NODE,             /* Access list node. */
  97   PREFIX_IPV6_NODE,             /* Prefix list node. */
  98   AS_LIST_NODE,                 /* AS list node. */
  99   COMMUNITY_LIST_NODE,          /* Community list node. */
 100   RMAP_NODE,                    /* Route map node. */
 101   SMUX_NODE,                    /* SNMP configuration node. */
 102   DUMP_NODE,                    /* Packet dump node. */
 103   FORWARDING_NODE,              /* IP forwarding node. */
 104   PROTOCOL_NODE,                /* protocol filtering node */
 105   VTY_NODE,                     /* Vty node. */
 106 };
 107
 108 /* Node which has some commands and prompt string and configuration
 109    function pointer . */
 110 struct cmd_node
 111 {
 112   /* Node index. */
 113   enum node_type node;
 114
 115   /* Prompt character at vty interface. */
 116   const char *prompt;
 117
 118   /* Is this node's configuration goes to vtysh ? */
 119   int vtysh;
 120
 121   /* Node's configuration write function */
 122   int (*func) (struct vty *);
 123
 124   /* Vector of this node's command list. */
 125   vector cmd_vector;
 126 };
 127
 128 enum
 129 {
 130   CMD_ATTR_DEPRECATED = 1,
 131   CMD_ATTR_HIDDEN,
 132 };
 133
 134 /* Structure of command element. */
 135 struct cmd_element
 136 {
 137   const char *string;                   /* Command specification by string. */
 138   int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
 139   const char *doc;                      /* Documentation of this command. */
 140   int daemon;                   /* Daemon to which this command belong. */
 141   vector tokens;                /* Vector of cmd_tokens */
 142   u_char attr;                  /* Command attributes */
 143 };
 144
 145
 146 enum cmd_token_type
 147 {
 148   TOKEN_TERMINAL = 0,
 149   TOKEN_MULTIPLE,
 150   TOKEN_KEYWORD,
 151 };
 152
 153 /* Command description structure. */
 154 struct cmd_token
 155 {
 156   enum cmd_token_type type;
 157
 158   /* Used for type == MULTIPLE */
 159   vector multiple; /* vector of cmd_token, type == FINAL */
 160
 161   /* Used for type == KEYWORD */
 162   vector keyword; /* vector of vector of cmd_tokens */
 163
 164   /* Used for type == TERMINAL */
 165   char *cmd;                    /* Command string. */
 166   char *desc;                    /* Command's description. */
 167 };
 168
 169 /* Return value of the commands. */
 170 #define CMD_SUCCESS              0
 171 #define CMD_WARNING              1
 172 #define CMD_ERR_NO_MATCH         2
 173 #define CMD_ERR_AMBIGUOUS        3
 174 #define CMD_ERR_INCOMPLETE       4
 175 #define CMD_ERR_EXEED_ARGC_MAX   5
 176 #define CMD_ERR_NOTHING_TODO     6
 177 #define CMD_COMPLETE_FULL_MATCH  7
 178 #define CMD_COMPLETE_MATCH       8
 179 #define CMD_COMPLETE_LIST_MATCH  9
 180 #define CMD_SUCCESS_DAEMON      10
 181
 182 /* Argc max counts. */
 183 #define CMD_ARGC_MAX   25
 184
 185 /* Turn off these macros when uisng cpp with extract.pl */
 186 #ifndef VTYSH_EXTRACT_PL
 187
 188 /* helper defines for end-user DEFUN* macros */
 189 #define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
 190   struct cmd_element cmdname = \
 191   { \
 192     .string = cmdstr, \
 193     .func = funcname, \
 194     .doc = helpstr, \
 195     .attr = attrs, \
 196     .daemon = dnum, \
 197   };
 198
 199 #define DEFUN_CMD_FUNC_DECL(funcname) \
 200   static int funcname (struct cmd_element *, struct vty *, int, const char *[]);
 201
 202 #define DEFUN_CMD_FUNC_TEXT(funcname) \
 203   static int funcname \
 204     (struct cmd_element *self __attribute__ ((unused)), \
 205      struct vty *vty __attribute__ ((unused)), \
 206      int argc __attribute__ ((unused)), \
 207      const char *argv[] __attribute__ ((unused)) )
 208
 209 /* DEFUN for vty command interafce. Little bit hacky ;-).
 210  *
 211  * DEFUN(funcname, cmdname, cmdstr, helpstr)
 212  *
 213  * funcname
 214  * ========
 215  *
 216  * Name of the function that will be defined.
 217  *
 218  * cmdname
 219  * =======
 220  *
 221  * Name of the struct that will be defined for the command.
 222  *
 223  * cmdstr
 224  * ======
 225  *
 226  * The cmdstr defines the command syntax. It is used by the vty subsystem
 227  * and vtysh to perform matching and completion in the cli. So you have to take
 228  * care to construct it adhering to the following grammar. The names used
 229  * for the production rules losely represent the names used in lib/command.c
 230  *
 231  * cmdstr = cmd_token , { " " , cmd_token } ;
 232  *
 233  * cmd_token = cmd_terminal
 234  *           | cmd_multiple
 235  *           | cmd_keyword ;
 236  *
 237  * cmd_terminal_fixed = fixed_string
 238  *                    | variable
 239  *                    | range
 240  *                    | ipv4
 241  *                    | ipv4_prefix
 242  *                    | ipv6
 243  *                    | ipv6_prefix ;
 244  *
 245  * cmd_terminal = cmd_terminal_fixed
 246  *              | option
 247  *              | vararg ;
 248  *
 249  * multiple_part = cmd_terminal_fixed ;
 250  * cmd_multiple = "(" , multiple_part , ( "|" | { "|" , multiple_part } ) , ")" ;
 251  *
 252  * keyword_part = fixed_string , { " " , ( cmd_terminal_fixed | cmd_multiple ) } ;
 253  * cmd_keyword = "{" , keyword_part , { "|" , keyword_part } , "}" ;
 254  *
 255  * lowercase = "a" | ... | "z" ;
 256  * uppercase = "A" | ... | "Z" ;
 257  * digit = "0" | ... | "9" ;
 258  * number = digit , { digit } ;
 259  *
 260  * fixed_string = (lowercase | digit) , { lowercase | digit | uppercase | "-" | "_" } ;
 261  * variable = uppercase , { uppercase | "_" } ;
 262  * range = "<" , number , "-" , number , ">" ;
 263  * ipv4 = "A.B.C.D" ;
 264  * ipv4_prefix = "A.B.C.D/M" ;
 265  * ipv6 = "X:X::X:X" ;
 266  * ipv6_prefix = "X:X::X:X/M" ;
 267  * option = "[" , variable , "]" ;
 268  * vararg = "." , variable ;
 269  *
 270  * To put that all in a textual description: A cmdstr is a sequence of tokens,
 271  * separated by spaces.
 272  *
 273  * Terminal Tokens:
 274  *
 275  * A very simple cmdstring would be something like: "show ip bgp". It consists
 276  * of three Terminal Tokens, each containing a fixed string. When this command
 277  * is called, no arguments will be passed down to the function implementing it,
 278  * as it only consists of fixed strings.
 279  *
 280  * Apart from fixed strings, Terminal Tokens can also contain variables:
 281  * An example would be "show ip bgp A.B.C.D". This command expects an IPv4
 282  * as argument. As this is a variable, the IP address entered by the user will
 283  * be passed down as an argument. Apart from two exceptions, the other options
 284  * for Terminal Tokens behave exactly as we just discussed and only make a
 285  * difference for the CLI. The two exceptions will be discussed in the next
 286  * paragraphs.
 287  *
 288  * A Terminal Token can contain a so called option match. This is a simple
 289  * string variable that the user may omit. An example would be:
 290  * "show interface [IFNAME]". If the user calls this without an interface as
 291  * argument, no arguments will be passed down to the function implementing
 292  * this command. Otherwise, the interface name will be provided to the function
 293  * as a regular argument.
 294
 295  * Also, a Terminal Token can contain a so called vararg. This is used e.g. in
 296  * "show ip bgp regexp .LINE". The last token is a vararg match and will
 297  * consume all the arguments the user inputs on the command line and append
 298  * those to the list of arguments passed down to the function implementing this
 299  * command. (Therefore, it doesn't make much sense to have any tokens after a
 300  * vararg because the vararg will already consume all the words the user entered
 301  * in the CLI)
 302  *
 303  * Multiple Tokens:
 304  *
 305  * The Multiple Token type can be used if there are multiple possibilities what
 306  * arguments may be used for a command, but it should map to the same function
 307  * nonetheless. An example would be "ip route A.B.C.D/M (reject|blackhole)"
 308  * In that case both "reject" and "blackhole" would be acceptable as last
 309  * arguments. The words matched by Multiple Tokens are always added to the
 310  * argument list, even if they are matched by fixed strings. Such a Multiple
 311  * Token can contain almost any type of token that would also be acceptable
 312  * for a Terminal Token, the exception are optional variables and varag.
 313  *
 314  * There is one special case that is used in some places of Quagga that should be
 315  * pointed out here shortly. An example would be "password (8|) WORD". This
 316  * construct is used to have fixed strings communicated as arguments. (The "8"
 317  * will be passed down as an argument in this case) It does not mean that
 318  * the "8" is optional. Another historic and possibly surprising property of
 319  * this construct is that it consumes two parts of helpstr. (Help
 320  * strings will be explained later)
 321  *
 322  * Keyword Tokens:
 323  *
 324  * There are commands that take a lot of different and possibly optional arguments.
 325  * An example from ospf would be the "default-information originate" command. This
 326  * command takes a lot of optional arguments that may be provided in any order.
 327  * To accomodate such commands, the Keyword Token has been implemented.
 328  * Using the keyword token, the "default-information originate" command and all
 329  * its possible options can be represented using this single cmdstr:
 330  * "default-information originate \
 331  *  {always|metric <0-16777214>|metric-type (1|2)|route-map WORD}"
 332  *
 333  * Keywords always start with a fixed string and may be followed by arguments.
 334  * Except optional variables and vararg, everything is permitted here.
 335  *
 336  * For the special case of a keyword without arguments, either NULL or the
 337  * keyword itself will be pushed as an argument, depending on whether the
 338  * keyword is present.
 339  * For the other keywords, arguments will be only pushed for
 340  * variables/Multiple Tokens. If the keyword is not present, the arguments that
 341  * would have been pushed will be substituted by NULL.
 342  *
 343  * A few examples:
 344  *   "default information originate metric-type 1 metric 1000"
 345  * would yield the following arguments:
 346  *   { NULL, "1000", "1", NULL }
 347  *
 348  *   "default information originate always route-map RMAP-DEFAULT"
 349  * would yield the following arguments:
 350  *   { "always", NULL, NULL, "RMAP-DEFAULT" }
 351  *
 352  * helpstr
 353  * =======
 354  *
 355  * The helpstr is used to show a short explantion for the commands that
 356  * are available when the user presses '?' on the CLI. It is the concatenation
 357  * of the helpstrings for all the tokens that make up the command.
 358  *
 359  * There should be one helpstring for each token in the cmdstr except those
 360  * containing other tokens, like Multiple or Keyword Tokens. For those, there
 361  * will only be the helpstrings of the contained tokens.
 362  *
 363  * The individual helpstrings are expected to be in the same order as their
 364  * respective Tokens appear in the cmdstr. They should each be terminated with
 365  * a linefeed. The last helpstring should be terminated with a linefeed as well.
 366  *
 367  * Care should also be taken to avoid having similar tokens with different
 368  * helpstrings. Imagine e.g. the commands "show ip ospf" and "show ip bgp".
 369  * they both contain a helpstring for "show", but only one will be displayed
 370  * when the user enters "sh?". If those two helpstrings differ, it is not
 371  * defined which one will be shown and the behavior is therefore unpredictable.
 372  */
 373 #define DEFUN(funcname, cmdname, cmdstr, helpstr) \
 374   DEFUN_CMD_FUNC_DECL(funcname) \
 375   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
 376   DEFUN_CMD_FUNC_TEXT(funcname)
 377
 378 #define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
 379   DEFUN_CMD_FUNC_DECL(funcname) \
 380   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
 381   DEFUN_CMD_FUNC_TEXT(funcname)
 382
 383 #define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
 384   DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
 385
 386 #define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
 387   DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
 388
 389 /* DEFUN_NOSH for commands that vtysh should ignore */
 390 #define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
 391   DEFUN(funcname, cmdname, cmdstr, helpstr)
 392
 393 /* DEFSH for vtysh. */
 394 #define DEFSH(daemon, cmdname, cmdstr, helpstr) \
 395   DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
 396
 397 /* DEFUN + DEFSH */
 398 #define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
 399   DEFUN_CMD_FUNC_DECL(funcname) \
 400   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
 401   DEFUN_CMD_FUNC_TEXT(funcname)
 402
 403 /* DEFUN + DEFSH with attributes */
 404 #define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
 405   DEFUN_CMD_FUNC_DECL(funcname) \
 406   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
 407   DEFUN_CMD_FUNC_TEXT(funcname)
 408
 409 #define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
 410   DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
 411
 412 #define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
 413   DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
 414
 415 /* ALIAS macro which define existing command's alias. */
 416 #define ALIAS(funcname, cmdname, cmdstr, helpstr) \
 417   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
 418
 419 #define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
 420   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
 421
 422 #define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
 423   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
 424
 425 #define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
 426   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
 427
 428 #define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
 429   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
 430
 431 #define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
 432   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
 433
 434 #define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
 435   DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
 436
 437 #endif /* VTYSH_EXTRACT_PL */
 438
 439 /* Some macroes */
 440 #define CMD_OPTION(S)   ((S[0]) == '[')
 441 #define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
 442 #define CMD_VARARG(S)   ((S[0]) == '.')
 443 #define CMD_RANGE(S)    ((S[0] == '<'))
 444
 445 #define CMD_IPV4(S)        ((strcmp ((S), "A.B.C.D") == 0))
 446 #define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
 447 #define CMD_IPV6(S)        ((strcmp ((S), "X:X::X:X") == 0))
 448 #define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
 449
 450 /* Common descriptions. */
 451 #define SHOW_STR "Show running system information\n"
 452 #define IP_STR "IP information\n"
 453 #define IPV6_STR "IPv6 information\n"
 454 #define NO_STR "Negate a command or set its defaults\n"
 455 #define REDIST_STR "Redistribute information from another routing protocol\n"
 456 #define CLEAR_STR "Reset functions\n"
 457 #define RIP_STR "RIP information\n"
 458 #define BGP_STR "BGP information\n"
 459 #define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
 460 #define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
 461 #define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
 462 #define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
 463 #define OSPF_STR "OSPF information\n"
 464 #define NEIGHBOR_STR "Specify neighbor router\n"
 465 #define DEBUG_STR "Debugging functions (see also 'undebug')\n"
 466 #define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
 467 #define ROUTER_STR "Enable a routing process\n"
 468 #define AS_STR "AS number\n"
 469 #define MBGP_STR "MBGP information\n"
 470 #define MATCH_STR "Match values from routing table\n"
 471 #define SET_STR "Set values in destination routing protocol\n"
 472 #define OUT_STR "Filter outgoing routing updates\n"
 473 #define IN_STR  "Filter incoming routing updates\n"
 474 #define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
 475 #define OSPF6_NUMBER_STR "Specify by number\n"
 476 #define INTERFACE_STR "Interface infomation\n"
 477 #define IFNAME_STR "Interface name(e.g. ep0)\n"
 478 #define IP6_STR "IPv6 Information\n"
 479 #define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
 480 #define OSPF6_ROUTER_STR "Enable a routing process\n"
 481 #define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
 482 #define SECONDS_STR "<1-65535> Seconds\n"
 483 #define ROUTE_STR "Routing Table\n"
 484 #define PREFIX_LIST_STR "Build a prefix list\n"
 485 #define OSPF6_DUMP_TYPE_LIST \
 486 "(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
 487 #define ISIS_STR "IS-IS information\n"
 488 #define AREA_TAG_STR "[area tag]\n"
 489
 490 #define CONF_BACKUP_EXT ".sav"
 491
 492 /* IPv4 only machine should not accept IPv6 address for peer's IP
 493    address.  So we replace VTY command string like below. */
 494 #ifdef HAVE_IPV6
 495 #define NEIGHBOR_CMD       "neighbor (A.B.C.D|X:X::X:X) "
 496 #define NO_NEIGHBOR_CMD    "no neighbor (A.B.C.D|X:X::X:X) "
 497 #define NEIGHBOR_ADDR_STR  "Neighbor address\nIPv6 address\n"
 498 #define NEIGHBOR_CMD2      "neighbor (A.B.C.D|X:X::X:X|WORD) "
 499 #define NO_NEIGHBOR_CMD2   "no neighbor (A.B.C.D|X:X::X:X|WORD) "
 500 #define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
 501 #define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
 502 #else
 503 #define NEIGHBOR_CMD       "neighbor A.B.C.D "
 504 #define NO_NEIGHBOR_CMD    "no neighbor A.B.C.D "
 505 #define NEIGHBOR_ADDR_STR  "Neighbor address\n"
 506 #define NEIGHBOR_CMD2      "neighbor (A.B.C.D|WORD) "
 507 #define NO_NEIGHBOR_CMD2   "no neighbor (A.B.C.D|WORD) "
 508 #define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
 509 #endif /* HAVE_IPV6 */
 510
 511 /* Dynamic neighbor (listen range) configuration */
 512 #ifdef HAVE_IPV6
 513 #define LISTEN_RANGE_CMD      "bgp listen range (A.B.C.D/M|X:X::X:X/M) "
 514 #define LISTEN_RANGE_ADDR_STR "Neighbor address\nNeighbor IPv6 address\n"
 515 #else
 516 #define LISTEN_RANGE_CMD      "bgp listen range A.B.C.D/M "
 517 #define LISTEN_RANGE_ADDR_STR "Neighbor address\n"
 518 #endif /* HAVE_IPV6 */
 519
 520 /* Prototypes. */
 521 extern void install_node (struct cmd_node *, int (*) (struct vty *));
 522 extern void install_default (enum node_type);
 523 extern void install_element (enum node_type, struct cmd_element *);
 524
 525 /* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
 526    string with a space between each element (allocated using
 527    XMALLOC(MTYPE_TMP)).  Returns NULL if shift >= argc. */
 528 extern char *argv_concat (const char **argv, int argc, int shift);
 529
 530 extern vector cmd_make_strvec (const char *);
 531 extern void cmd_free_strvec (vector);
 532 extern vector cmd_describe_command (vector, struct vty *, int *status);
 533 extern char **cmd_complete_command (vector, struct vty *, int *status);
 534 extern const char *cmd_prompt (enum node_type);
 535 extern int config_from_file (struct vty *, FILE *);
 536 extern enum node_type node_parent (enum node_type);
 537 extern int cmd_execute_command (vector, struct vty *, struct cmd_element **, int);
 538 extern int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **);
 539 extern void cmd_init (int);
 540 extern void cmd_terminate (void);
 541
 542 /* Export typical functions. */
 543 extern struct cmd_element config_end_cmd;
 544 extern struct cmd_element config_exit_cmd;
 545 extern struct cmd_element config_quit_cmd;
 546 extern struct cmd_element config_help_cmd;
 547 extern struct cmd_element config_list_cmd;
 548 extern char *host_config_file (void);
 549 extern void host_config_set (const char *);
 550
 551 extern void print_version (const char *);
 552
 553 /* struct host global, ick */
 554 extern struct host host;
 555
 556 /* "<cr>" global */
 557 extern char *command_cr;
 558 #endif /* _ZEBRA_COMMAND_H */