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490 lines
19 KiB
C
490 lines
19 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 along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 "vector.h"
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#include "vty.h"
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#include "lib/route_types.h"
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#include "graph.h"
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#include "memory.h"
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#include "hash.h"
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#include "command_graph.h"
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DECLARE_MTYPE(HOST)
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DECLARE_MTYPE(COMPLETION)
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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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/* Domainname of this router */
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char *domainname;
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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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int noconfig;
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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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/* List of CLI nodes. Please remember to update the name array in command.c. */
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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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DEBUG_NODE, /* Debug node. */
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VRF_DEBUG_NODE, /* Vrf Debug node. */
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DEBUG_VNC_NODE, /* Debug VNC node. */
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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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LOGICALROUTER_NODE, /* Logical-Router node. */
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IP_NODE, /* Static ip route node. */
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VRF_NODE, /* VRF mode node. */
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INTERFACE_NODE, /* Interface mode node. */
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NH_GROUP_NODE, /* Nexthop-Group 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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BABEL_NODE, /* BABEL protocol mode node. */
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EIGRP_NODE, /* EIGRP 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_VPNV6_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_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
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BGP_IPV6_NODE, /* BGP IPv6 address family */
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BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
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BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
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BGP_VRF_POLICY_NODE, /* BGP VRF policy */
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BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
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BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
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BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
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RFP_DEFAULTS_NODE, /* RFP defaults node */
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BGP_EVPN_NODE, /* BGP EVPN node. */
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OSPF_NODE, /* OSPF protocol mode */
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OSPF6_NODE, /* OSPF protocol for IPv6 mode */
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LDP_NODE, /* LDP protocol mode */
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LDP_IPV4_NODE, /* LDP IPv4 address family */
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LDP_IPV6_NODE, /* LDP IPv6 address family */
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LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
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LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
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LDP_L2VPN_NODE, /* LDP L2VPN node */
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LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
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ISIS_NODE, /* ISIS protocol mode */
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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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ACCESS_MAC_NODE, /* MAC 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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PBRMAP_NODE, /* PBR 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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PROTOCOL_NODE, /* protocol filtering node */
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MPLS_NODE, /* MPLS config node */
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PW_NODE, /* Pseudowire config node */
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VTY_NODE, /* Vty node. */
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LINK_PARAMS_NODE, /* Link-parameters node */
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BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
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RPKI_NODE, /* RPKI node for configuration of RPKI cache server
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connections.*/
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BGP_FLOWSPECV4_NODE, /* BGP IPv4 FLOWSPEC Address-Family */
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BGP_FLOWSPECV6_NODE, /* BGP IPv6 FLOWSPEC Address-Family */
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BFD_NODE, /* BFD protocol mode. */
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BFD_PEER_NODE, /* BFD peer configuration mode. */
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NODE_TYPE_MAX, /* maximum */
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};
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extern vector cmdvec;
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extern const struct message tokennames[];
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extern const char *node_names[];
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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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/* Node's command graph */
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struct graph *cmdgraph;
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/* Vector of this node's command list. */
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vector cmd_vector;
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/* Hashed index of command node list, for de-dupping primarily */
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struct hash *cmd_hash;
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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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#define CMD_ERR_NO_FILE 11
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#define CMD_SUSPEND 12
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#define CMD_WARNING_CONFIG_FAILED 13
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#define CMD_NOT_MY_INSTANCE 14
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/* Argc max counts. */
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#define CMD_ARGC_MAX 256
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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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static struct cmd_element cmdname = { \
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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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.name = #cmdname, \
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};
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#define DEFUN_CMD_FUNC_DECL(funcname) \
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static int funcname(const struct cmd_element *, struct vty *, int, \
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struct cmd_token *[]);
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#define DEFUN_CMD_FUNC_TEXT(funcname) \
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static int funcname(const struct cmd_element *self \
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__attribute__((unused)), \
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struct vty *vty __attribute__((unused)), \
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int argc __attribute__((unused)), \
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struct cmd_token *argv[] __attribute__((unused)))
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#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
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funcdecl_##funcname
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#define DEFPY_NOSH(funcname, cmdname, cmdstr, helpstr) \
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DEFPY(funcname, cmdname, cmdstr, helpstr)
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#define DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
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funcdecl_##funcname
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#define DEFPY_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
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DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
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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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/* 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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#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
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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, \
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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, \
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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, \
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0)
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#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
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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, \
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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, \
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CMD_ATTR_DEPRECATED, daemon)
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#else /* VTYSH_EXTRACT_PL */
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#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
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DEFUN(funcname, cmdname, cmdstr, helpstr)
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#define DEFPY_NOSH(funcname, cmdname, cmdstr, helpstr) \
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DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr)
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#define DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr)
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#endif /* VTYSH_EXTRACT_PL */
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/* Some macroes */
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/*
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* Sometimes #defines create maximum values that
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* need to have strings created from them that
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* allow the parser to match against them.
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* These macros allow that.
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*/
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#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
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#define CMD_CREATE_STR_HELPER(s) #s
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#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
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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 REDIST_STR "Redistribute information from another routing protocol\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 EIGRP_STR "EIGRP information\n"
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#define BGP_STR "BGP information\n"
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#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
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#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
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#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
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#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\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\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 MAC_STR "MAC address\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_INSTANCE_STR "(1-65535) Instance ID\n"
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#define SECONDS_STR "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 COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
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#define COMMUNITY_VAL_STR "Community number in AA:NN format (where AA and NN are (0-65535)) or local-AS|no-advertise|no-export|internet or additive\n"
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#define MPLS_TE_STR "MPLS-TE specific commands\n"
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#define LINK_PARAMS_STR "Configure interface link parameters\n"
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#define OSPF_RI_STR "OSPF Router Information specific commands\n"
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#define PCE_STR "PCE Router Information specific commands\n"
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#define MPLS_STR "MPLS information\n"
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#define SR_STR "Segment-Routing specific commands\n"
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#define WATCHFRR_STR "watchfrr information\n"
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#define ZEBRA_STR "Zebra information\n"
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#define CONF_BACKUP_EXT ".sav"
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/* Command warnings. */
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#define NO_PASSWD_CMD_WARNING \
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"Please be aware that removing the password is a security risk and you should think twice about this command.\n"
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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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#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
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#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
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#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
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/* Prototypes. */
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extern void install_node(struct cmd_node *, int (*)(struct vty *));
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extern void install_default(enum node_type);
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extern void install_element(enum node_type, struct cmd_element *);
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/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
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* deprecated/hidden) are not reversed. */
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extern void uninstall_element(enum node_type, struct cmd_element *);
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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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extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
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/*
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* It is preferred that you set the index initial value
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* to a 0. This way in the future if you modify the
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* cli then there is no need to modify the initial
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* value of the index
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*/
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extern int argv_find(struct cmd_token **argv, int argc, const char *text,
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int *index);
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extern vector cmd_make_strvec(const char *);
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extern void cmd_free_strvec(vector);
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extern vector cmd_describe_command(vector, struct vty *, int *status);
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extern char **cmd_complete_command(vector, struct vty *, int *status);
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extern const char *cmd_prompt(enum node_type);
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extern int command_config_read_one_line(struct vty *vty,
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const struct cmd_element **,
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int use_config_node);
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extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
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extern enum node_type node_parent(enum node_type);
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/*
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* Execute command under the given vty context.
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*
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* vty
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* The vty context to execute under.
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*
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* cmd
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* The command string to execute.
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*
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* matched
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* If non-null and a match was found, the address of the matched command is
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* stored here. No action otherwise.
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*
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* vtysh
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* Whether or not this is being called from vtysh. If this is nonzero,
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* XXX: then what?
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*
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* Returns:
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* XXX: what does it return
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*/
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extern int cmd_execute(struct vty *vty, const char *cmd,
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const struct cmd_element **matched, int vtysh);
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extern int cmd_execute_command(vector, struct vty *,
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|
const struct cmd_element **, int);
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extern int cmd_execute_command_strict(vector, struct vty *,
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|
const struct cmd_element **);
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extern void cmd_init(int);
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extern void cmd_terminate(void);
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extern void cmd_exit(struct vty *vty);
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extern int cmd_list_cmds(struct vty *vty, int do_permute);
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|
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extern int cmd_domainname_set(const char *domainname);
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extern int cmd_hostname_set(const char *hostname);
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extern const char *cmd_hostname_get(void);
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extern const char *cmd_domainname_get(void);
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|
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/* NOT safe for general use; call this only if DEV_BUILD! */
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extern void grammar_sandbox_init(void);
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extern vector completions_to_vec(struct list *completions);
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|
|
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/* Export typical functions. */
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extern const char *host_config_get(void);
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extern void host_config_set(const char *);
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|
|
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extern void print_version(const char *);
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|
|
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extern int cmd_banner_motd_file(const char *);
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|
|
|
/* struct host global, ick */
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|
extern struct host host;
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|
|
|
struct cmd_variable_handler {
|
|
const char *tokenname, *varname;
|
|
void (*completions)(vector out, struct cmd_token *token);
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|
};
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|
|
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extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
|
|
vector comps);
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|
extern void
|
|
cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
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extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
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|
|
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extern void command_setup_early_logging(const char *dest, const char *level);
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#endif /* _ZEBRA_COMMAND_H */
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