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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 *
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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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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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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 {
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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. */
81 SERVICE_NODE, /* Service node. */
82 DEBUG_NODE, /* Debug node. */
83 VRF_DEBUG_NODE, /* Vrf Debug node. */
84 DEBUG_VNC_NODE, /* Debug VNC node. */
85 AAA_NODE, /* AAA node. */
86 KEYCHAIN_NODE, /* Key-chain node. */
87 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
88 LOGICALROUTER_NODE, /* Logical-Router node. */
89 VRF_NODE, /* VRF mode node. */
90 INTERFACE_NODE, /* Interface mode node. */
91 NH_GROUP_NODE, /* Nexthop-Group mode node. */
92 ZEBRA_NODE, /* zebra connection node. */
93 TABLE_NODE, /* rtm_table selection node. */
94 RIP_NODE, /* RIP protocol mode node. */
95 RIPNG_NODE, /* RIPng protocol mode node. */
96 BABEL_NODE, /* BABEL protocol mode node. */
97 EIGRP_NODE, /* EIGRP protocol mode node. */
98 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
99 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
100 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
101 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
102 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
103 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
104 BGP_IPV6_NODE, /* BGP IPv6 address family */
105 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
106 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
107 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
108 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
109 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
110 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
111 RFP_DEFAULTS_NODE, /* RFP defaults node */
112 BGP_EVPN_NODE, /* BGP EVPN node. */
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113 OSPF_NODE, /* OSPF protocol mode */
114 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
115 LDP_NODE, /* LDP protocol mode */
116 LDP_IPV4_NODE, /* LDP IPv4 address family */
117 LDP_IPV6_NODE, /* LDP IPv6 address family */
118 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
119 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
120 LDP_L2VPN_NODE, /* LDP L2VPN node */
121 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
122 ISIS_NODE, /* ISIS protocol mode */
123 MASC_NODE, /* MASC for multicast. */
124 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
125 IP_NODE, /* Static ip route node. */
126 ACCESS_NODE, /* Access list node. */
127 PREFIX_NODE, /* Prefix list node. */
128 ACCESS_IPV6_NODE, /* Access list node. */
129 ACCESS_MAC_NODE, /* MAC access list node*/
130 PREFIX_IPV6_NODE, /* Prefix list node. */
131 AS_LIST_NODE, /* AS list node. */
132 COMMUNITY_LIST_NODE, /* Community list node. */
133 RMAP_NODE, /* Route map node. */
134 SMUX_NODE, /* SNMP configuration node. */
135 DUMP_NODE, /* Packet dump node. */
136 FORWARDING_NODE, /* IP forwarding node. */
137 PROTOCOL_NODE, /* protocol filtering node */
138 MPLS_NODE, /* MPLS config node */
139 PW_NODE, /* Pseudowire config node */
140 VTY_NODE, /* Vty node. */
141 LINK_PARAMS_NODE, /* Link-parameters node */
142 BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
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143 RPKI_NODE, /* RPKI node for configuration of RPKI cache server
144 connections.*/
145 NODE_TYPE_MAX, /* maximum */
718e3744 146};
147
cf6c83e7 148extern vector cmdvec;
a83a5331
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149extern const char *node_names[];
150
718e3744 151/* Node which has some commands and prompt string and configuration
152 function pointer . */
d62a17ae 153struct cmd_node {
154 /* Node index. */
155 enum node_type node;
718e3744 156
d62a17ae 157 /* Prompt character at vty interface. */
158 const char *prompt;
718e3744 159
d62a17ae 160 /* Is this node's configuration goes to vtysh ? */
161 int vtysh;
d0bfb22c 162
d62a17ae 163 /* Node's configuration write function */
164 int (*func)(struct vty *);
718e3744 165
d62a17ae 166 /* Node's command graph */
167 struct graph *cmdgraph;
d0bfb22c 168
d62a17ae 169 /* Vector of this node's command list. */
170 vector cmd_vector;
274f29b2 171
d62a17ae 172 /* Hashed index of command node list, for de-dupping primarily */
173 struct hash *cmd_hash;
718e3744 174};
175
718e3744 176/* Return value of the commands. */
177#define CMD_SUCCESS 0
178#define CMD_WARNING 1
179#define CMD_ERR_NO_MATCH 2
180#define CMD_ERR_AMBIGUOUS 3
181#define CMD_ERR_INCOMPLETE 4
182#define CMD_ERR_EXEED_ARGC_MAX 5
183#define CMD_ERR_NOTHING_TODO 6
184#define CMD_COMPLETE_FULL_MATCH 7
185#define CMD_COMPLETE_MATCH 8
186#define CMD_COMPLETE_LIST_MATCH 9
187#define CMD_SUCCESS_DAEMON 10
1db63918 188#define CMD_ERR_NO_FILE 11
95c4aff2 189#define CMD_SUSPEND 12
f1a05de9 190#define CMD_WARNING_CONFIG_FAILED 13
a3d826f0 191#define CMD_NOT_MY_INSTANCE 14
718e3744 192
193/* Argc max counts. */
09f6d019 194#define CMD_ARGC_MAX 256
718e3744 195
196/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 197#ifndef VTYSH_EXTRACT_PL
718e3744 198
406d6716 199/* helper defines for end-user DEFUN* macros */
d62a17ae 200#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
201 static struct cmd_element cmdname = { \
202 .string = cmdstr, \
203 .func = funcname, \
204 .doc = helpstr, \
205 .attr = attrs, \
206 .daemon = dnum, \
207 .name = #cmdname, \
208 };
209
210#define DEFUN_CMD_FUNC_DECL(funcname) \
211 static int funcname(const struct cmd_element *, struct vty *, int, \
212 struct cmd_token *[]);
213
214#define DEFUN_CMD_FUNC_TEXT(funcname) \
215 static int funcname(const struct cmd_element *self \
216 __attribute__((unused)), \
217 struct vty *vty __attribute__((unused)), \
218 int argc __attribute__((unused)), \
219 struct cmd_token *argv[] __attribute__((unused)))
220
221#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
222 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
223 funcdecl_##funcname
224
225#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
226 DEFUN_CMD_FUNC_DECL(funcname) \
227 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
228 DEFUN_CMD_FUNC_TEXT(funcname)
229
230#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
231 DEFUN_CMD_FUNC_DECL(funcname) \
232 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
233 DEFUN_CMD_FUNC_TEXT(funcname)
234
235#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
236 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
237
238#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
239 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
718e3744 240
241/* DEFUN_NOSH for commands that vtysh should ignore */
d62a17ae 242#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
243 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 244
245/* DEFSH for vtysh. */
d62a17ae 246#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
247 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
718e3744 248
d62a17ae 249#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
250 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
251 daemon)
abaaab4e 252
718e3744 253/* DEFUN + DEFSH */
d62a17ae 254#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
255 DEFUN_CMD_FUNC_DECL(funcname) \
256 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
257 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 258
274a4a44 259/* DEFUN + DEFSH with attributes */
d62a17ae 260#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
261 DEFUN_CMD_FUNC_DECL(funcname) \
262 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
263 DEFUN_CMD_FUNC_TEXT(funcname)
274a4a44 264
d62a17ae 265#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
266 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
267 CMD_ATTR_HIDDEN)
274a4a44 268
d62a17ae 269#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
270 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
271 CMD_ATTR_DEPRECATED)
274a4a44 272
718e3744 273/* ALIAS macro which define existing command's alias. */
d62a17ae 274#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
275 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
406d6716 276
d62a17ae 277#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
278 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 279
d62a17ae 280#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
281 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
282 0)
406d6716 283
d62a17ae 284#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
285 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
286 CMD_ATTR_DEPRECATED, 0)
718e3744 287
d62a17ae 288#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
289 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
274a4a44 290
d62a17ae 291#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
292 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
293 daemon)
274a4a44 294
d62a17ae 295#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
296 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
297 CMD_ATTR_DEPRECATED, daemon)
274a4a44 298
5578a14d 299#else /* VTYSH_EXTRACT_PL */
d62a17ae 300#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
301 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 302#endif /* VTYSH_EXTRACT_PL */
303
304/* Some macroes */
ba6d273b
DS
305
306/*
307 * Sometimes #defines create maximum values that
308 * need to have strings created from them that
309 * allow the parser to match against them.
310 * These macros allow that.
311 */
312#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
313#define CMD_CREATE_STR_HELPER(s) #s
6319fd63 314#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
ba6d273b 315
718e3744 316/* Common descriptions. */
317#define SHOW_STR "Show running system information\n"
318#define IP_STR "IP information\n"
319#define IPV6_STR "IPv6 information\n"
320#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 321#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 322#define CLEAR_STR "Reset functions\n"
323#define RIP_STR "RIP information\n"
7f57883e 324#define EIGRP_STR "EIGRP information\n"
718e3744 325#define BGP_STR "BGP information\n"
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DS
326#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
327#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
328#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
329#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 330#define OSPF_STR "OSPF information\n"
331#define NEIGHBOR_STR "Specify neighbor router\n"
332#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
333#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
334#define ROUTER_STR "Enable a routing process\n"
335#define AS_STR "AS number\n"
336#define MBGP_STR "MBGP information\n"
337#define MATCH_STR "Match values from routing table\n"
338#define SET_STR "Set values in destination routing protocol\n"
339#define OUT_STR "Filter outgoing routing updates\n"
340#define IN_STR "Filter incoming routing updates\n"
341#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
342#define OSPF6_NUMBER_STR "Specify by number\n"
343#define INTERFACE_STR "Interface infomation\n"
344#define IFNAME_STR "Interface name(e.g. ep0)\n"
345#define IP6_STR "IPv6 Information\n"
346#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 347#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 348#define SECONDS_STR "Seconds\n"
718e3744 349#define ROUTE_STR "Routing Table\n"
350#define PREFIX_LIST_STR "Build a prefix list\n"
d62a17ae 351#define OSPF6_DUMP_TYPE_LIST \
352 "<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 353#define ISIS_STR "IS-IS information\n"
354#define AREA_TAG_STR "[area tag]\n"
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355#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
356#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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OD
357#define MPLS_TE_STR "MPLS-TE specific commands\n"
358#define LINK_PARAMS_STR "Configure interface link parameters\n"
359#define OSPF_RI_STR "OSPF Router Information specific commands\n"
360#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 361#define MPLS_STR "MPLS information\n"
cf9b9f77 362#define SR_STR "Segment-Routing specific commands\n"
dff13b6f 363#define WATCHFRR_STR "watchfrr information\n"
41e7fb80 364#define ZEBRA_STR "Zebra information\n"
718e3744 365
366#define CONF_BACKUP_EXT ".sav"
367
368/* IPv4 only machine should not accept IPv6 address for peer's IP
369 address. So we replace VTY command string like below. */
718e3744 370#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
371#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
372#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 373
374/* Prototypes. */
d62a17ae 375extern void install_node(struct cmd_node *, int (*)(struct vty *));
376extern void install_default(enum node_type);
377extern void install_element(enum node_type, struct cmd_element *);
718e3744 378
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DL
379/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
380 * deprecated/hidden) are not reversed. */
d62a17ae 381extern void uninstall_element(enum node_type, struct cmd_element *);
de8f7a39 382
f6834d4c 383/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
384 string with a space between each element (allocated using
385 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d62a17ae 386extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
b286ddb0
DS
387
388/*
389 * It is preferred that you set the index initial value
390 * to a 0. This way in the future if you modify the
391 * cli then there is no need to modify the initial
392 * value of the index
393 */
d62a17ae 394extern int argv_find(struct cmd_token **argv, int argc, const char *text,
395 int *index);
396
397extern vector cmd_make_strvec(const char *);
398extern void cmd_free_strvec(vector);
399extern vector cmd_describe_command(vector, struct vty *, int *status);
400extern char **cmd_complete_command(vector, struct vty *, int *status);
401extern const char *cmd_prompt(enum node_type);
402extern int command_config_read_one_line(struct vty *vty,
403 const struct cmd_element **,
404 int use_config_node);
405extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
406extern enum node_type node_parent(enum node_type);
407extern int cmd_execute_command(vector, struct vty *,
408 const struct cmd_element **, int);
409extern int cmd_execute_command_strict(vector, struct vty *,
410 const struct cmd_element **);
411extern void cmd_init(int);
412extern void cmd_terminate(void);
413extern void cmd_exit(struct vty *vty);
414extern int cmd_list_cmds(struct vty *vty, int do_permute);
415
6b3ee3a0 416extern int cmd_domainname_set(const char *domainname);
d62a17ae 417extern int cmd_hostname_set(const char *hostname);
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MK
418extern const char *cmd_hostname_get(void);
419extern const char *cmd_domainname_get(void);
bff9c3e9 420
af2567b6 421/* NOT safe for general use; call this only if DEV_BUILD! */
d62a17ae 422extern void grammar_sandbox_init(void);
af2567b6 423
d62a17ae 424extern vector completions_to_vec(struct list *completions);
2ab40270 425
718e3744 426/* Export typical functions. */
d62a17ae 427extern const char *host_config_get(void);
428extern void host_config_set(const char *);
6590f2c3 429
d62a17ae 430extern void print_version(const char *);
86228fde 431
d62a17ae 432extern int cmd_banner_motd_file(const char *);
7cfc61d3 433
86228fde 434/* struct host global, ick */
d0bfb22c
QY
435extern struct host host;
436
70d44c5c 437struct cmd_variable_handler {
d62a17ae 438 const char *tokenname, *varname;
439 void (*completions)(vector out, struct cmd_token *token);
70d44c5c
DL
440};
441
d62a17ae 442extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
443 vector comps);
444extern void
445cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
446extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
228da428 447
718e3744 448#endif /* _ZEBRA_COMMAND_H */