360 lines
12 KiB
C
360 lines
12 KiB
C
/*
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* Zebra configuration command interface routine
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* Copyright (C) 1997, 98 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2, or (at your
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* option) any later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _ZEBRA_COMMAND_H
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#define _ZEBRA_COMMAND_H
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#include <stdio.h>
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#include <sys/types.h>
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#include "vector.h"
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#include "vty.h"
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/* Host configuration variable */
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struct host {
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/* Host name of this router. */
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char *name;
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/* Password for vty interface. */
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char *password;
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char *password_encrypt;
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/* Enable password */
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char *enable;
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char *enable_encrypt;
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/* System wide terminal lines. */
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int lines;
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/* Log filename. */
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char *logfile;
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/* config file name of this host */
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char *config;
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/* Flags for services */
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int advanced;
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int encrypt;
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/* Banner configuration. */
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const char *motd;
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char *motdfile;
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};
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/* There are some command levels which called from command node. */
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enum node_type {
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AUTH_NODE, /* Authentication mode of vty interface. */
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VIEW_NODE, /* View node. Default mode of vty interface. */
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AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
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ENABLE_NODE, /* Enable node. */
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CONFIG_NODE, /* Config node. Default mode of config file. */
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SERVICE_NODE, /* Service node. */
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DEBUG_NODE, /* Debug node. */
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#if 0
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AAA_NODE, /* AAA node. */
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KEYCHAIN_NODE, /* Key-chain node. */
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KEYCHAIN_KEY_NODE, /* Key-chain key node. */
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INTERFACE_NODE, /* Interface mode node. */
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ZEBRA_NODE, /* zebra connection node. */
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TABLE_NODE, /* rtm_table selection node. */
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RIP_NODE, /* RIP protocol mode node. */
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RIPNG_NODE, /* RIPng protocol mode node. */
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BGP_NODE, /* BGP protocol mode which includes BGP4+ */
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BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
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BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
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BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
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BGP_IPV6_NODE, /* BGP IPv6 address family */
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OSPF_NODE, /* OSPF protocol mode */
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OSPF6_NODE, /* OSPF protocol for IPv6 mode */
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ISIS_NODE, /* ISIS protocol mode */
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MASC_NODE, /* MASC for multicast. */
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IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
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IP_NODE, /* Static ip route node. */
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ACCESS_NODE, /* Access list node. */
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PREFIX_NODE, /* Prefix list node. */
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ACCESS_IPV6_NODE, /* Access list node. */
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PREFIX_IPV6_NODE, /* Prefix list node. */
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AS_LIST_NODE, /* AS list node. */
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COMMUNITY_LIST_NODE, /* Community list node. */
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RMAP_NODE, /* Route map node. */
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SMUX_NODE, /* SNMP configuration node. */
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DUMP_NODE, /* Packet dump node. */
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FORWARDING_NODE, /* IP forwarding node. */
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#endif
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VTY_NODE, /* Vty node. */
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GSMNET_NODE,
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BTS_NODE,
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TRX_NODE,
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TS_NODE,
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SUBSCR_NODE,
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MGCP_NODE,
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};
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/* Node which has some commands and prompt string and configuration
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function pointer . */
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struct cmd_node {
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/* Node index. */
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enum node_type node;
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/* Prompt character at vty interface. */
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const char *prompt;
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/* Is this node's configuration goes to vtysh ? */
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int vtysh;
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/* Node's configuration write function */
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int (*func) (struct vty *);
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/* Vector of this node's command list. */
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vector cmd_vector;
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};
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enum {
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CMD_ATTR_DEPRECATED = 1,
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CMD_ATTR_HIDDEN,
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};
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/* Structure of command element. */
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struct cmd_element {
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const char *string; /* Command specification by string. */
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int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
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const char *doc; /* Documentation of this command. */
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int daemon; /* Daemon to which this command belong. */
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vector strvec; /* Pointing out each description vector. */
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unsigned int cmdsize; /* Command index count. */
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char *config; /* Configuration string */
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vector subconfig; /* Sub configuration string */
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u_char attr; /* Command attributes */
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};
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/* Command description structure. */
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struct desc {
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const char *cmd; /* Command string. */
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const char *str; /* Command's description. */
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};
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/* Return value of the commands. */
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#define CMD_SUCCESS 0
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#define CMD_WARNING 1
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#define CMD_ERR_NO_MATCH 2
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#define CMD_ERR_AMBIGUOUS 3
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#define CMD_ERR_INCOMPLETE 4
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#define CMD_ERR_EXEED_ARGC_MAX 5
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#define CMD_ERR_NOTHING_TODO 6
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#define CMD_COMPLETE_FULL_MATCH 7
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#define CMD_COMPLETE_MATCH 8
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#define CMD_COMPLETE_LIST_MATCH 9
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#define CMD_SUCCESS_DAEMON 10
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/* Argc max counts. */
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#define CMD_ARGC_MAX 25
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/* Turn off these macros when uisng cpp with extract.pl */
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#ifndef VTYSH_EXTRACT_PL
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/* helper defines for end-user DEFUN* macros */
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#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
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struct cmd_element cmdname = \
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{ \
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.string = cmdstr, \
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.func = funcname, \
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.doc = helpstr, \
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.attr = attrs, \
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.daemon = dnum, \
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};
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#define DEFUN_CMD_FUNC_DECL(funcname) \
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static int funcname (struct cmd_element *, struct vty *, int, const char *[]); \
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#define DEFUN_CMD_FUNC_TEXT(funcname) \
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static int funcname \
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(struct cmd_element *self, struct vty *vty, int argc, const char *argv[])
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/* DEFUN for vty command interafce. Little bit hacky ;-). */
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#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_FUNC_DECL(funcname) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
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DEFUN_CMD_FUNC_TEXT(funcname)
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#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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DEFUN_CMD_FUNC_DECL(funcname) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
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DEFUN_CMD_FUNC_TEXT(funcname)
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#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
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#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
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/* DEFUN_NOSH for commands that vtysh should ignore */
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#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
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DEFUN(funcname, cmdname, cmdstr, helpstr)
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/* DEFSH for vtysh. */
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#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
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/* DEFUN + DEFSH */
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#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_FUNC_DECL(funcname) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
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DEFUN_CMD_FUNC_TEXT(funcname)
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/* DEFUN + DEFSH with attributes */
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#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
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DEFUN_CMD_FUNC_DECL(funcname) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
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DEFUN_CMD_FUNC_TEXT(funcname)
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#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
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#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
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/* ALIAS macro which define existing command's alias. */
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#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
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#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
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#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
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#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
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#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
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#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
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#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
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#endif /* VTYSH_EXTRACT_PL */
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/* Some macroes */
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#define CMD_OPTION(S) ((S[0]) == '[')
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#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
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#define CMD_VARARG(S) ((S[0]) == '.')
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#define CMD_RANGE(S) ((S[0] == '<'))
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#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
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#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
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#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
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#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
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/* Common descriptions. */
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#define SHOW_STR "Show running system information\n"
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#define IP_STR "IP information\n"
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#define IPV6_STR "IPv6 information\n"
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#define NO_STR "Negate a command or set its defaults\n"
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#define CLEAR_STR "Reset functions\n"
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#define RIP_STR "RIP information\n"
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#define BGP_STR "BGP information\n"
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#define OSPF_STR "OSPF information\n"
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#define NEIGHBOR_STR "Specify neighbor router\n"
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#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
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#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
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#define ROUTER_STR "Enable a routing process\n"
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#define AS_STR "AS number\n"
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#define MBGP_STR "MBGP information\n"
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#define MATCH_STR "Match values from routing table\n"
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#define SET_STR "Set values in destination routing protocol\n"
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#define OUT_STR "Filter outgoing routing updates\n"
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#define IN_STR "Filter incoming routing updates\n"
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#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
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#define OSPF6_NUMBER_STR "Specify by number\n"
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#define INTERFACE_STR "Interface infomation\n"
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#define IFNAME_STR "Interface name(e.g. ep0)\n"
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#define IP6_STR "IPv6 Information\n"
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#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
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#define OSPF6_ROUTER_STR "Enable a routing process\n"
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#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
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#define SECONDS_STR "<1-65535> Seconds\n"
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#define ROUTE_STR "Routing Table\n"
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#define PREFIX_LIST_STR "Build a prefix list\n"
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#define OSPF6_DUMP_TYPE_LIST \
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"(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
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#define ISIS_STR "IS-IS information\n"
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#define AREA_TAG_STR "[area tag]\n"
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#define CONF_BACKUP_EXT ".sav"
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/* IPv4 only machine should not accept IPv6 address for peer's IP
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address. So we replace VTY command string like below. */
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#ifdef HAVE_IPV6
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#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
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#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
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#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
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#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
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#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
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#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
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#else
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#define NEIGHBOR_CMD "neighbor A.B.C.D "
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#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
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#define NEIGHBOR_ADDR_STR "Neighbor address\n"
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#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
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#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
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#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
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#endif /* HAVE_IPV6 */
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/* Prototypes. */
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void install_node(struct cmd_node *, int (*)(struct vty *));
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void install_default(enum node_type);
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void install_element(enum node_type, struct cmd_element *);
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void sort_node();
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/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
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string with a space between each element (allocated using
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XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
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char *argv_concat(const char **argv, int argc, int shift);
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vector cmd_make_strvec(const char *);
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void cmd_free_strvec(vector);
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vector cmd_describe_command();
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char **cmd_complete_command();
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const char *cmd_prompt(enum node_type);
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int config_from_file(struct vty *, FILE *);
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enum node_type node_parent(enum node_type);
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int cmd_execute_command(vector, struct vty *, struct cmd_element **, int);
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int cmd_execute_command_strict(vector, struct vty *, struct cmd_element **);
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void config_replace_string(struct cmd_element *, char *, ...);
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void cmd_init(int);
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/* Export typical functions. */
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extern struct cmd_element config_end_cmd;
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extern struct cmd_element config_exit_cmd;
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extern struct cmd_element config_quit_cmd;
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extern struct cmd_element config_help_cmd;
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extern struct cmd_element config_list_cmd;
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char *host_config_file();
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void host_config_set(const char *);
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void print_version(const char *);
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#endif /* _ZEBRA_COMMAND_H */
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