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718e3744 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.
d0bfb22c 11 *
718e3744 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 *
896014f4
DL
17 * You should have received a copy of the GNU General Public License along
18 * with this program; see the file COPYING; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
718e3744 20 */
21
22#ifndef _ZEBRA_COMMAND_H
23#define _ZEBRA_COMMAND_H
24
25#include "vector.h"
26#include "vty.h"
9c42a6eb 27#include "lib/route_types.h"
d0bfb22c 28#include "graph.h"
4a1ab8e4 29#include "memory.h"
274f29b2 30#include "hash.h"
5894e76d 31#include "command_graph.h"
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DL
32
33DECLARE_MTYPE(HOST)
70d44c5c 34DECLARE_MTYPE(COMPLETION)
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DL
35
36/* for test-commands.c */
37DECLARE_MTYPE(STRVEC)
718e3744 38
39/* Host configuration variable */
d62a17ae 40struct host {
41 /* Host name of this router. */
42 char *name;
718e3744 43
6f9d219a 44 /* Domainname of this router */
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MK
45 char *domainname;
46
d62a17ae 47 /* Password for vty interface. */
48 char *password;
49 char *password_encrypt;
718e3744 50
d62a17ae 51 /* Enable password */
52 char *enable;
53 char *enable_encrypt;
718e3744 54
d62a17ae 55 /* System wide terminal lines. */
56 int lines;
718e3744 57
d62a17ae 58 /* Log filename. */
59 char *logfile;
718e3744 60
d62a17ae 61 /* config file name of this host */
62 char *config;
63 int noconfig;
718e3744 64
d62a17ae 65 /* Flags for services */
66 int advanced;
67 int encrypt;
718e3744 68
d62a17ae 69 /* Banner configuration. */
70 const char *motd;
71 char *motdfile;
718e3744 72};
73
cf6c83e7 74/* List of CLI nodes. Please remember to update the name array in command.c. */
d62a17ae 75enum node_type {
9f36abf9
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76 AUTH_NODE, /* Authentication mode of vty interface. */
77 VIEW_NODE, /* View node. Default mode of vty interface. */
78 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
79 ENABLE_NODE, /* Enable node. */
80 CONFIG_NODE, /* Config node. Default mode of config file. */
9f36abf9
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81 DEBUG_NODE, /* Debug node. */
82 VRF_DEBUG_NODE, /* Vrf Debug node. */
83 DEBUG_VNC_NODE, /* Debug VNC node. */
84 AAA_NODE, /* AAA node. */
85 KEYCHAIN_NODE, /* Key-chain node. */
86 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
87 LOGICALROUTER_NODE, /* Logical-Router node. */
88 VRF_NODE, /* VRF mode node. */
89 INTERFACE_NODE, /* Interface mode node. */
90 NH_GROUP_NODE, /* Nexthop-Group mode node. */
91 ZEBRA_NODE, /* zebra connection node. */
92 TABLE_NODE, /* rtm_table selection node. */
93 RIP_NODE, /* RIP protocol mode node. */
94 RIPNG_NODE, /* RIPng protocol mode node. */
95 BABEL_NODE, /* BABEL protocol mode node. */
96 EIGRP_NODE, /* EIGRP protocol mode node. */
97 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
98 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
99 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
100 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
101 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
102 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
103 BGP_IPV6_NODE, /* BGP IPv6 address family */
104 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
105 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
106 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
107 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
108 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
109 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
110 RFP_DEFAULTS_NODE, /* RFP defaults node */
111 BGP_EVPN_NODE, /* BGP EVPN node. */
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112 OSPF_NODE, /* OSPF protocol mode */
113 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
114 LDP_NODE, /* LDP protocol mode */
115 LDP_IPV4_NODE, /* LDP IPv4 address family */
116 LDP_IPV6_NODE, /* LDP IPv6 address family */
117 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
118 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
119 LDP_L2VPN_NODE, /* LDP L2VPN node */
120 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
121 ISIS_NODE, /* ISIS protocol mode */
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122 IP_NODE, /* Static ip route node. */
123 ACCESS_NODE, /* Access list node. */
124 PREFIX_NODE, /* Prefix list node. */
125 ACCESS_IPV6_NODE, /* Access list node. */
126 ACCESS_MAC_NODE, /* MAC access list node*/
127 PREFIX_IPV6_NODE, /* Prefix list node. */
128 AS_LIST_NODE, /* AS list node. */
129 COMMUNITY_LIST_NODE, /* Community list node. */
130 RMAP_NODE, /* Route map node. */
131 SMUX_NODE, /* SNMP configuration node. */
132 DUMP_NODE, /* Packet dump node. */
133 FORWARDING_NODE, /* IP forwarding node. */
134 PROTOCOL_NODE, /* protocol filtering node */
135 MPLS_NODE, /* MPLS config node */
136 PW_NODE, /* Pseudowire config node */
137 VTY_NODE, /* Vty node. */
138 LINK_PARAMS_NODE, /* Link-parameters node */
139 BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
996c9314
LB
140 RPKI_NODE, /* RPKI node for configuration of RPKI cache server
141 connections.*/
7c40bf39 142 BGP_FLOWSPECV4_NODE, /* BGP IPv4 FLOWSPEC Address-Family */
143 BGP_FLOWSPECV6_NODE, /* BGP IPv6 FLOWSPEC Address-Family */
996c9314 144 NODE_TYPE_MAX, /* maximum */
718e3744 145};
146
cf6c83e7 147extern vector cmdvec;
a83a5331
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148extern const char *node_names[];
149
718e3744 150/* Node which has some commands and prompt string and configuration
151 function pointer . */
d62a17ae 152struct cmd_node {
153 /* Node index. */
154 enum node_type node;
718e3744 155
d62a17ae 156 /* Prompt character at vty interface. */
157 const char *prompt;
718e3744 158
d62a17ae 159 /* Is this node's configuration goes to vtysh ? */
160 int vtysh;
d0bfb22c 161
d62a17ae 162 /* Node's configuration write function */
163 int (*func)(struct vty *);
718e3744 164
d62a17ae 165 /* Node's command graph */
166 struct graph *cmdgraph;
d0bfb22c 167
d62a17ae 168 /* Vector of this node's command list. */
169 vector cmd_vector;
274f29b2 170
d62a17ae 171 /* Hashed index of command node list, for de-dupping primarily */
172 struct hash *cmd_hash;
718e3744 173};
174
718e3744 175/* Return value of the commands. */
176#define CMD_SUCCESS 0
177#define CMD_WARNING 1
178#define CMD_ERR_NO_MATCH 2
179#define CMD_ERR_AMBIGUOUS 3
180#define CMD_ERR_INCOMPLETE 4
181#define CMD_ERR_EXEED_ARGC_MAX 5
182#define CMD_ERR_NOTHING_TODO 6
183#define CMD_COMPLETE_FULL_MATCH 7
184#define CMD_COMPLETE_MATCH 8
185#define CMD_COMPLETE_LIST_MATCH 9
186#define CMD_SUCCESS_DAEMON 10
1db63918 187#define CMD_ERR_NO_FILE 11
95c4aff2 188#define CMD_SUSPEND 12
f1a05de9 189#define CMD_WARNING_CONFIG_FAILED 13
a3d826f0 190#define CMD_NOT_MY_INSTANCE 14
718e3744 191
192/* Argc max counts. */
09f6d019 193#define CMD_ARGC_MAX 256
718e3744 194
195/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 196#ifndef VTYSH_EXTRACT_PL
718e3744 197
406d6716 198/* helper defines for end-user DEFUN* macros */
d62a17ae 199#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
200 static struct cmd_element cmdname = { \
201 .string = cmdstr, \
202 .func = funcname, \
203 .doc = helpstr, \
204 .attr = attrs, \
205 .daemon = dnum, \
206 .name = #cmdname, \
207 };
208
209#define DEFUN_CMD_FUNC_DECL(funcname) \
210 static int funcname(const struct cmd_element *, struct vty *, int, \
211 struct cmd_token *[]);
212
213#define DEFUN_CMD_FUNC_TEXT(funcname) \
214 static int funcname(const struct cmd_element *self \
215 __attribute__((unused)), \
216 struct vty *vty __attribute__((unused)), \
217 int argc __attribute__((unused)), \
218 struct cmd_token *argv[] __attribute__((unused)))
219
220#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
221 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
222 funcdecl_##funcname
223
224#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
225 DEFUN_CMD_FUNC_DECL(funcname) \
226 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
227 DEFUN_CMD_FUNC_TEXT(funcname)
228
229#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
230 DEFUN_CMD_FUNC_DECL(funcname) \
231 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
232 DEFUN_CMD_FUNC_TEXT(funcname)
233
234#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
235 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
236
237#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
238 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
718e3744 239
240/* DEFUN_NOSH for commands that vtysh should ignore */
d62a17ae 241#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
242 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 243
244/* DEFSH for vtysh. */
d62a17ae 245#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
246 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
718e3744 247
d62a17ae 248#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
249 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
250 daemon)
abaaab4e 251
718e3744 252/* DEFUN + DEFSH */
d62a17ae 253#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
254 DEFUN_CMD_FUNC_DECL(funcname) \
255 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
256 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 257
274a4a44 258/* DEFUN + DEFSH with attributes */
d62a17ae 259#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
260 DEFUN_CMD_FUNC_DECL(funcname) \
261 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
262 DEFUN_CMD_FUNC_TEXT(funcname)
274a4a44 263
d62a17ae 264#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
265 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
266 CMD_ATTR_HIDDEN)
274a4a44 267
d62a17ae 268#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
269 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
270 CMD_ATTR_DEPRECATED)
274a4a44 271
718e3744 272/* ALIAS macro which define existing command's alias. */
d62a17ae 273#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
274 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
406d6716 275
d62a17ae 276#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
277 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 278
d62a17ae 279#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
280 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
281 0)
406d6716 282
d62a17ae 283#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
284 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
285 CMD_ATTR_DEPRECATED, 0)
718e3744 286
d62a17ae 287#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
288 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
274a4a44 289
d62a17ae 290#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
291 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
292 daemon)
274a4a44 293
d62a17ae 294#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
295 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
296 CMD_ATTR_DEPRECATED, daemon)
274a4a44 297
5578a14d 298#else /* VTYSH_EXTRACT_PL */
d62a17ae 299#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
300 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 301#endif /* VTYSH_EXTRACT_PL */
302
303/* Some macroes */
ba6d273b
DS
304
305/*
306 * Sometimes #defines create maximum values that
307 * need to have strings created from them that
308 * allow the parser to match against them.
309 * These macros allow that.
310 */
311#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
312#define CMD_CREATE_STR_HELPER(s) #s
6319fd63 313#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
ba6d273b 314
718e3744 315/* Common descriptions. */
316#define SHOW_STR "Show running system information\n"
317#define IP_STR "IP information\n"
318#define IPV6_STR "IPv6 information\n"
319#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 320#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 321#define CLEAR_STR "Reset functions\n"
322#define RIP_STR "RIP information\n"
7f57883e 323#define EIGRP_STR "EIGRP information\n"
718e3744 324#define BGP_STR "BGP information\n"
e0bce756
DS
325#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
326#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
327#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
328#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 329#define OSPF_STR "OSPF information\n"
330#define NEIGHBOR_STR "Specify neighbor router\n"
ef7eec74 331#define DEBUG_STR "Debugging functions\n"
718e3744 332#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
333#define ROUTER_STR "Enable a routing process\n"
334#define AS_STR "AS number\n"
335#define MBGP_STR "MBGP information\n"
336#define MATCH_STR "Match values from routing table\n"
337#define SET_STR "Set values in destination routing protocol\n"
338#define OUT_STR "Filter outgoing routing updates\n"
339#define IN_STR "Filter incoming routing updates\n"
340#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
341#define OSPF6_NUMBER_STR "Specify by number\n"
342#define INTERFACE_STR "Interface infomation\n"
343#define IFNAME_STR "Interface name(e.g. ep0)\n"
344#define IP6_STR "IPv6 Information\n"
345#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 346#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 347#define SECONDS_STR "Seconds\n"
718e3744 348#define ROUTE_STR "Routing Table\n"
349#define PREFIX_LIST_STR "Build a prefix list\n"
d62a17ae 350#define OSPF6_DUMP_TYPE_LIST \
351 "<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 352#define ISIS_STR "IS-IS information\n"
353#define AREA_TAG_STR "[area tag]\n"
d0bfb22c
QY
354#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
355#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"
16f1b9ee
OD
356#define MPLS_TE_STR "MPLS-TE specific commands\n"
357#define LINK_PARAMS_STR "Configure interface link parameters\n"
358#define OSPF_RI_STR "OSPF Router Information specific commands\n"
359#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 360#define MPLS_STR "MPLS information\n"
cf9b9f77 361#define SR_STR "Segment-Routing specific commands\n"
dff13b6f 362#define WATCHFRR_STR "watchfrr information\n"
41e7fb80 363#define ZEBRA_STR "Zebra information\n"
718e3744 364
365#define CONF_BACKUP_EXT ".sav"
366
367/* IPv4 only machine should not accept IPv6 address for peer's IP
368 address. So we replace VTY command string like below. */
718e3744 369#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
370#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
371#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 372
373/* Prototypes. */
d62a17ae 374extern void install_node(struct cmd_node *, int (*)(struct vty *));
375extern void install_default(enum node_type);
376extern void install_element(enum node_type, struct cmd_element *);
718e3744 377
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DL
378/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
379 * deprecated/hidden) are not reversed. */
d62a17ae 380extern void uninstall_element(enum node_type, struct cmd_element *);
de8f7a39 381
f6834d4c 382/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
383 string with a space between each element (allocated using
384 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d62a17ae 385extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
b286ddb0
DS
386
387/*
388 * It is preferred that you set the index initial value
389 * to a 0. This way in the future if you modify the
390 * cli then there is no need to modify the initial
391 * value of the index
392 */
d62a17ae 393extern int argv_find(struct cmd_token **argv, int argc, const char *text,
394 int *index);
395
396extern vector cmd_make_strvec(const char *);
397extern void cmd_free_strvec(vector);
398extern vector cmd_describe_command(vector, struct vty *, int *status);
399extern char **cmd_complete_command(vector, struct vty *, int *status);
400extern const char *cmd_prompt(enum node_type);
401extern int command_config_read_one_line(struct vty *vty,
402 const struct cmd_element **,
403 int use_config_node);
404extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
405extern enum node_type node_parent(enum node_type);
406extern int cmd_execute_command(vector, struct vty *,
407 const struct cmd_element **, int);
408extern int cmd_execute_command_strict(vector, struct vty *,
409 const struct cmd_element **);
410extern void cmd_init(int);
411extern void cmd_terminate(void);
412extern void cmd_exit(struct vty *vty);
413extern int cmd_list_cmds(struct vty *vty, int do_permute);
414
6b3ee3a0 415extern int cmd_domainname_set(const char *domainname);
d62a17ae 416extern int cmd_hostname_set(const char *hostname);
6b3ee3a0
MK
417extern const char *cmd_hostname_get(void);
418extern const char *cmd_domainname_get(void);
bff9c3e9 419
af2567b6 420/* NOT safe for general use; call this only if DEV_BUILD! */
d62a17ae 421extern void grammar_sandbox_init(void);
af2567b6 422
d62a17ae 423extern vector completions_to_vec(struct list *completions);
2ab40270 424
718e3744 425/* Export typical functions. */
d62a17ae 426extern const char *host_config_get(void);
427extern void host_config_set(const char *);
6590f2c3 428
d62a17ae 429extern void print_version(const char *);
86228fde 430
d62a17ae 431extern int cmd_banner_motd_file(const char *);
7cfc61d3 432
86228fde 433/* struct host global, ick */
d0bfb22c
QY
434extern struct host host;
435
70d44c5c 436struct cmd_variable_handler {
d62a17ae 437 const char *tokenname, *varname;
438 void (*completions)(vector out, struct cmd_token *token);
70d44c5c
DL
439};
440
d62a17ae 441extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
442 vector comps);
443extern void
444cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
445extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
228da428 446
718e3744 447#endif /* _ZEBRA_COMMAND_H */