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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
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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"
4a1ab8e4 32
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33#ifdef __cplusplus
34extern "C" {
35#endif
36
bf8d3d6a 37DECLARE_MTYPE(COMPLETION);
4a1ab8e4 38
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39/*
40 * From RFC 1123 (Requirements for Internet Hosts), Section 2.1 on hostnames:
41 * One aspect of host name syntax is hereby changed: the restriction on
42 * the first character is relaxed to allow either a letter or a digit.
43 * Host software MUST support this more liberal syntax.
44 *
45 * Host software MUST handle host names of up to 63 characters and
46 * SHOULD handle host names of up to 255 characters.
47 */
48#define HOSTNAME_LEN 255
49
718e3744 50/* Host configuration variable */
d62a17ae 51struct host {
52 /* Host name of this router. */
53 char *name;
718e3744 54
6f9d219a 55 /* Domainname of this router */
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56 char *domainname;
57
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DS
58 /*
59 * Some extra system data that is useful
60 */
61 char *system;
62 char *release;
63 char *version;
64
d62a17ae 65 /* Password for vty interface. */
66 char *password;
67 char *password_encrypt;
718e3744 68
d62a17ae 69 /* Enable password */
70 char *enable;
71 char *enable_encrypt;
718e3744 72
d62a17ae 73 /* System wide terminal lines. */
74 int lines;
718e3744 75
d62a17ae 76 /* config file name of this host */
77 char *config;
78 int noconfig;
718e3744 79
d62a17ae 80 /* Flags for services */
81 int advanced;
82 int encrypt;
718e3744 83
d62a17ae 84 /* Banner configuration. */
19d61463 85 char *motd;
d62a17ae 86 char *motdfile;
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DA
87
88 /* Allow using IPv4 (Class E) reserved IP space */
89 bool allow_reserved_ranges;
718e3744 90};
91
cf6c83e7 92/* List of CLI nodes. Please remember to update the name array in command.c. */
d62a17ae 93enum node_type {
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94 AUTH_NODE, /* Authentication mode of vty interface. */
95 VIEW_NODE, /* View node. Default mode of vty interface. */
96 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
97 ENABLE_NODE, /* Enable node. */
98 CONFIG_NODE, /* Config node. Default mode of config file. */
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99 DEBUG_NODE, /* Debug node. */
100 VRF_DEBUG_NODE, /* Vrf Debug node. */
1c2facd1 101 NORTHBOUND_DEBUG_NODE, /* Northbound Debug node. */
9f36abf9 102 DEBUG_VNC_NODE, /* Debug VNC node. */
e3ab8170 103 RMAP_DEBUG_NODE, /* Route-map debug node */
fe9e7b71 104 RESOLVER_DEBUG_NODE, /* Resolver debug node */
9f36abf9 105 AAA_NODE, /* AAA node. */
1c6261a9 106 EXTLOG_NODE, /* RFC5424 & co. extended syslog */
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107 KEYCHAIN_NODE, /* Key-chain node. */
108 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
9f46cc36 109 IP_NODE, /* Static ip route node. */
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110 VRF_NODE, /* VRF mode node. */
111 INTERFACE_NODE, /* Interface mode node. */
112 NH_GROUP_NODE, /* Nexthop-Group mode node. */
113 ZEBRA_NODE, /* zebra connection node. */
114 TABLE_NODE, /* rtm_table selection node. */
115 RIP_NODE, /* RIP protocol mode node. */
116 RIPNG_NODE, /* RIPng protocol mode node. */
117 BABEL_NODE, /* BABEL protocol mode node. */
118 EIGRP_NODE, /* EIGRP protocol mode node. */
119 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
120 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
121 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
122 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
123 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
124 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
125 BGP_IPV6_NODE, /* BGP IPv6 address family */
126 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
127 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
128 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
129 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
130 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
131 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
132 RFP_DEFAULTS_NODE, /* RFP defaults node */
133 BGP_EVPN_NODE, /* BGP EVPN node. */
bfaab44d 134 BGP_SRV6_NODE, /* BGP SRv6 node. */
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135 OSPF_NODE, /* OSPF protocol mode */
136 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
137 LDP_NODE, /* LDP protocol mode */
138 LDP_IPV4_NODE, /* LDP IPv4 address family */
139 LDP_IPV6_NODE, /* LDP IPv6 address family */
140 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
141 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
142 LDP_L2VPN_NODE, /* LDP L2VPN node */
143 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
144 ISIS_NODE, /* ISIS protocol mode */
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145 ACCESS_NODE, /* Access list node. */
146 PREFIX_NODE, /* Prefix list node. */
147 ACCESS_IPV6_NODE, /* Access list node. */
148 ACCESS_MAC_NODE, /* MAC access list node*/
149 PREFIX_IPV6_NODE, /* Prefix list node. */
150 AS_LIST_NODE, /* AS list node. */
151 COMMUNITY_LIST_NODE, /* Community list node. */
ed0e57e3 152 COMMUNITY_ALIAS_NODE, /* Community alias node. */
9f36abf9 153 RMAP_NODE, /* Route map node. */
e5c83d9b 154 PBRMAP_NODE, /* PBR map node. */
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155 SMUX_NODE, /* SNMP configuration node. */
156 DUMP_NODE, /* Packet dump node. */
157 FORWARDING_NODE, /* IP forwarding node. */
158 PROTOCOL_NODE, /* protocol filtering node */
159 MPLS_NODE, /* MPLS config node */
160 PW_NODE, /* Pseudowire config node */
4d7b695d
SM
161 SEGMENT_ROUTING_NODE, /* Segment routing root node */
162 SR_TRAFFIC_ENG_NODE, /* SR Traffic Engineering node */
163 SR_SEGMENT_LIST_NODE, /* SR segment list config node */
164 SR_POLICY_NODE, /* SR policy config node */
165 SR_CANDIDATE_DYN_NODE, /* SR dynamic candidate path config node */
efba0985
SM
166 PCEP_NODE, /* PCEP node */
167 PCEP_PCE_CONFIG_NODE, /* PCE shared configuration node */
168 PCEP_PCE_NODE, /* PCE configuration node */
169 PCEP_PCC_NODE, /* PCC configuration node */
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HS
170 SRV6_NODE, /* SRv6 node */
171 SRV6_LOCS_NODE, /* SRv6 locators node */
172 SRV6_LOC_NODE, /* SRv6 locator node */
9f36abf9 173 VTY_NODE, /* Vty node. */
893d8beb 174 FPM_NODE, /* Dataplane FPM node. */
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175 LINK_PARAMS_NODE, /* Link-parameters node */
176 BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
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LB
177 RPKI_NODE, /* RPKI node for configuration of RPKI cache server
178 connections.*/
7c40bf39 179 BGP_FLOWSPECV4_NODE, /* BGP IPv4 FLOWSPEC Address-Family */
180 BGP_FLOWSPECV6_NODE, /* BGP IPv6 FLOWSPEC Address-Family */
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181 BFD_NODE, /* BFD protocol mode. */
182 BFD_PEER_NODE, /* BFD peer configuration mode. */
d40d6c22 183 BFD_PROFILE_NODE, /* BFD profile configuration mode. */
7c0cbd0e 184 OPENFABRIC_NODE, /* OpenFabric router configuration node */
f828842a 185 VRRP_NODE, /* VRRP node */
ed18356f 186 BMP_NODE, /* BMP config under router bgp */
996c9314 187 NODE_TYPE_MAX, /* maximum */
718e3744 188};
189
cf6c83e7 190extern vector cmdvec;
26fbe472 191extern const struct message tokennames[];
a83a5331 192
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DL
193/* for external users depending on struct layout */
194#define FRR_CMD_NODE_20200416
a83a5331 195
718e3744 196/* Node which has some commands and prompt string and configuration
197 function pointer . */
d62a17ae 198struct cmd_node {
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DL
199 const char *name;
200
d62a17ae 201 /* Node index. */
202 enum node_type node;
24389580 203 enum node_type parent_node;
718e3744 204
d62a17ae 205 /* Prompt character at vty interface. */
206 const char *prompt;
718e3744 207
d62a17ae 208 /* Node's configuration write function */
612c2c15 209 int (*config_write)(struct vty *);
718e3744 210
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DL
211 /* called when leaving the node on a VTY session.
212 * return 1 if normal exit processing should happen, 0 to suppress
213 */
214 int (*node_exit)(struct vty *);
718e3744 215
d62a17ae 216 /* Node's command graph */
217 struct graph *cmdgraph;
d0bfb22c 218
d62a17ae 219 /* Vector of this node's command list. */
220 vector cmd_vector;
274f29b2 221
d62a17ae 222 /* Hashed index of command node list, for de-dupping primarily */
223 struct hash *cmd_hash;
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DL
224
225 /* set as soon as any command is in cmdgraph */
226 bool graph_built;
dd2c81b8
DL
227
228 /* don't decrement vty->xpath_index on leaving this node */
229 bool no_xpath;
718e3744 230};
231
718e3744 232/* Return value of the commands. */
233#define CMD_SUCCESS 0
234#define CMD_WARNING 1
235#define CMD_ERR_NO_MATCH 2
236#define CMD_ERR_AMBIGUOUS 3
237#define CMD_ERR_INCOMPLETE 4
238#define CMD_ERR_EXEED_ARGC_MAX 5
239#define CMD_ERR_NOTHING_TODO 6
240#define CMD_COMPLETE_FULL_MATCH 7
241#define CMD_COMPLETE_MATCH 8
242#define CMD_COMPLETE_LIST_MATCH 9
243#define CMD_SUCCESS_DAEMON 10
1db63918 244#define CMD_ERR_NO_FILE 11
95c4aff2 245#define CMD_SUSPEND 12
f1a05de9 246#define CMD_WARNING_CONFIG_FAILED 13
a3d826f0 247#define CMD_NOT_MY_INSTANCE 14
e3476061 248#define CMD_NO_LEVEL_UP 15
a32f6a10 249#define CMD_ERR_NO_DAEMON 16
718e3744 250
251/* Argc max counts. */
09f6d019 252#define CMD_ARGC_MAX 256
718e3744 253
214d8a60 254/* Turn off these macros when using cpp with extract.pl */
d0bfb22c 255#ifndef VTYSH_EXTRACT_PL
718e3744 256
406d6716 257/* helper defines for end-user DEFUN* macros */
d62a17ae 258#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
154e9ca1 259 static const struct cmd_element cmdname = { \
d62a17ae 260 .string = cmdstr, \
261 .func = funcname, \
262 .doc = helpstr, \
263 .attr = attrs, \
264 .daemon = dnum, \
265 .name = #cmdname, \
feb06e7a
DL
266 .xref = XREF_INIT(XREFT_DEFUN, NULL, #funcname), \
267 }; \
268 XREF_LINK(cmdname.xref); \
269 /* end */
270
d62a17ae 271
272#define DEFUN_CMD_FUNC_DECL(funcname) \
273 static int funcname(const struct cmd_element *, struct vty *, int, \
274 struct cmd_token *[]);
275
276#define DEFUN_CMD_FUNC_TEXT(funcname) \
277 static int funcname(const struct cmd_element *self \
278 __attribute__((unused)), \
279 struct vty *vty __attribute__((unused)), \
280 int argc __attribute__((unused)), \
281 struct cmd_token *argv[] __attribute__((unused)))
282
283#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
284 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
285 funcdecl_##funcname
286
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RW
287#define DEFPY_NOSH(funcname, cmdname, cmdstr, helpstr) \
288 DEFPY(funcname, cmdname, cmdstr, helpstr)
289
e31f4dbe
QY
290#define DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
291 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
292 funcdecl_##funcname
293
294#define DEFPY_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
295 DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
296
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RW
297#define DEFPY_YANG(funcname, cmdname, cmdstr, helpstr) \
298 DEFPY_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG)
299
300#define DEFPY_YANG_NOSH(funcname, cmdname, cmdstr, helpstr) \
301 DEFPY_YANG(funcname, cmdname, cmdstr, helpstr)
302
d62a17ae 303#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
304 DEFUN_CMD_FUNC_DECL(funcname) \
305 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
306 DEFUN_CMD_FUNC_TEXT(funcname)
307
308#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
309 DEFUN_CMD_FUNC_DECL(funcname) \
310 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
311 DEFUN_CMD_FUNC_TEXT(funcname)
312
313#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
314 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
315
ca77b518
RW
316#define DEFUN_YANG(funcname, cmdname, cmdstr, helpstr) \
317 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG)
318
718e3744 319/* DEFUN_NOSH for commands that vtysh should ignore */
d62a17ae 320#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
321 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 322
ca77b518
RW
323#define DEFUN_YANG_NOSH(funcname, cmdname, cmdstr, helpstr) \
324 DEFUN_YANG(funcname, cmdname, cmdstr, helpstr)
325
718e3744 326/* DEFSH for vtysh. */
d62a17ae 327#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
328 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
718e3744 329
d62a17ae 330#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
331 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
332 daemon)
abaaab4e 333
718e3744 334/* DEFUN + DEFSH */
d62a17ae 335#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
336 DEFUN_CMD_FUNC_DECL(funcname) \
337 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
338 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 339
274a4a44 340/* DEFUN + DEFSH with attributes */
d62a17ae 341#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
342 DEFUN_CMD_FUNC_DECL(funcname) \
343 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
344 DEFUN_CMD_FUNC_TEXT(funcname)
274a4a44 345
d62a17ae 346#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
347 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
348 CMD_ATTR_HIDDEN)
274a4a44 349
718e3744 350/* ALIAS macro which define existing command's alias. */
d62a17ae 351#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
352 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
406d6716 353
d62a17ae 354#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
355 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 356
d62a17ae 357#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
358 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
359 0)
406d6716 360
9eebf97e
DL
361/* note: DEPRECATED implies HIDDEN, and other than that there is currently no
362 * difference. It's purely for expressing intent in the source code - a
363 * DEPRECATED command is supposed to go away, a HIDDEN one is likely to stay.
364 */
d62a17ae 365#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
366 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
9eebf97e 367 CMD_ATTR_DEPRECATED | CMD_ATTR_HIDDEN, 0)
718e3744 368
ca77b518
RW
369#define ALIAS_YANG(funcname, cmdname, cmdstr, helpstr) \
370 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_YANG, 0)
371
718e3744 372#endif /* VTYSH_EXTRACT_PL */
373
374/* Some macroes */
ba6d273b
DS
375
376/*
377 * Sometimes #defines create maximum values that
378 * need to have strings created from them that
379 * allow the parser to match against them.
380 * These macros allow that.
381 */
382#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
383#define CMD_CREATE_STR_HELPER(s) #s
6319fd63 384#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
ba6d273b 385
718e3744 386/* Common descriptions. */
387#define SHOW_STR "Show running system information\n"
388#define IP_STR "IP information\n"
389#define IPV6_STR "IPv6 information\n"
31f937fb
SM
390#define SRTE_STR "SR-TE information\n"
391#define SRTE_COLOR_STR "SR-TE Color information\n"
718e3744 392#define NO_STR "Negate a command or set its defaults\n"
11ca3587 393#define IGNORED_IN_NO_STR "Ignored value in no form\n"
9c42a6eb 394#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 395#define CLEAR_STR "Reset functions\n"
396#define RIP_STR "RIP information\n"
7f57883e 397#define EIGRP_STR "EIGRP information\n"
718e3744 398#define BGP_STR "BGP information\n"
e0bce756
DS
399#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
400#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
401#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
402#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 403#define OSPF_STR "OSPF information\n"
404#define NEIGHBOR_STR "Specify neighbor router\n"
ef7eec74 405#define DEBUG_STR "Debugging functions\n"
718e3744 406#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
407#define ROUTER_STR "Enable a routing process\n"
408#define AS_STR "AS number\n"
377e3565 409#define MAC_STR "MAC address\n"
718e3744 410#define MBGP_STR "MBGP information\n"
411#define MATCH_STR "Match values from routing table\n"
412#define SET_STR "Set values in destination routing protocol\n"
413#define OUT_STR "Filter outgoing routing updates\n"
414#define IN_STR "Filter incoming routing updates\n"
415#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
416#define OSPF6_NUMBER_STR "Specify by number\n"
0437e105 417#define INTERFACE_STR "Interface information\n"
718e3744 418#define IFNAME_STR "Interface name(e.g. ep0)\n"
419#define IP6_STR "IPv6 Information\n"
420#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 421#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 422#define SECONDS_STR "Seconds\n"
718e3744 423#define ROUTE_STR "Routing Table\n"
424#define PREFIX_LIST_STR "Build a prefix list\n"
d62a17ae 425#define OSPF6_DUMP_TYPE_LIST \
426 "<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 427#define AREA_TAG_STR "[area tag]\n"
d0bfb22c 428#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
07b37df9
DA
429#define COMMUNITY_VAL_STR \
430 "Community number in AA:NN format (where AA and NN are (0-65535)) or local-AS|no-advertise|no-export|internet|graceful-shutdown|accept-own-nexthop|accept-own|route-filter-translated-v4|route-filter-v4|route-filter-translated-v6|route-filter-v6|llgr-stale|no-llgr|blackhole|no-peer or additive\n"
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OD
431#define MPLS_TE_STR "MPLS-TE specific commands\n"
432#define LINK_PARAMS_STR "Configure interface link parameters\n"
433#define OSPF_RI_STR "OSPF Router Information specific commands\n"
434#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 435#define MPLS_STR "MPLS information\n"
cf9b9f77 436#define SR_STR "Segment-Routing specific commands\n"
dff13b6f 437#define WATCHFRR_STR "watchfrr information\n"
41e7fb80 438#define ZEBRA_STR "Zebra information\n"
f73126c3 439#define FILTER_LOG_STR "Filter Logs\n"
d40d6c22
RZ
440#define BFD_PROFILE_STR "BFD profile.\n"
441#define BFD_PROFILE_NAME_STR "BFD profile name.\n"
478ff17b 442#define SHARP_STR "Sharp Routing Protocol\n"
10514170
RW
443#define OSPF_GR_STR \
444 "OSPF non-stop forwarding (NSF) also known as OSPF Graceful Restart\n"
718e3744 445
093e3f23 446#define CMD_VNI_RANGE "(1-16777215)"
718e3744 447#define CONF_BACKUP_EXT ".sav"
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KS
448#define MPLS_LDP_SYNC_STR "Enable MPLS LDP-SYNC\n"
449#define NO_MPLS_LDP_SYNC_STR "Disable MPLS LDP-SYNC\n"
450#define MPLS_LDP_SYNC_HOLDDOWN_STR \
451 "Time to wait for LDP-SYNC to occur before restoring if cost\n"
452#define NO_MPLS_LDP_SYNC_HOLDDOWN_STR "holddown timer disable\n"
718e3744 453
4911ca9c
PM
454/* Command warnings. */
455#define NO_PASSWD_CMD_WARNING \
456 "Please be aware that removing the password is a security risk and you should think twice about this command.\n"
457
718e3744 458/* IPv4 only machine should not accept IPv6 address for peer's IP
459 address. So we replace VTY command string like below. */
718e3744 460#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
461#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
462#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 463
b0965c44 464/* Graceful Restart cli help strings */
b0965c44 465#define GR_CMD "Global Graceful Restart command\n"
466#define NO_GR_CMD "Undo Global Graceful Restart command\n"
467#define GR "Global Graceful Restart - GR Mode\n"
468#define GR_DISABLE "Global Graceful Restart - Disable Mode\n"
469#define NO_GR_DISABLE "Undo Global Graceful Restart - Disable Mode\n"
470#define GR_DEBUG "Graceful Restart - Enable Debug Logs\n"
471#define GR_SHOW "Graceful Restart - Show command for Global and all neighbor mode\n"
472#define GR_NEIGHBOR_CMD "Graceful Restart command for a neighbor\n"
473#define NO_GR_NEIGHBOR_CMD "Undo Graceful Restart command for a neighbor\n"
474#define GR_NEIGHBOR_DISABLE_CMD "Graceful Restart Disable command for a neighbor\n"
475#define NO_GR_NEIGHBOR_DISABLE_CMD "Undo Graceful Restart Disable command for a neighbor\n"
476#define GR_NEIGHBOR_HELPER_CMD "Graceful Restart Helper command for a neighbor\n"
477#define NO_GR_NEIGHBOR_HELPER_CMD "Undo Graceful Restart Helper command for a neighbor\n"
478
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479/* EVPN help Strings */
480#define EVPN_RT_HELP_STR "EVPN route information\n"
481#define EVPN_RT_DIST_HELP_STR "Route Distinguisher\n"
482#define EVPN_ASN_IP_HELP_STR "ASN:XX or A.B.C.D:XX\n"
483#define EVPN_TYPE_HELP_STR "Specify Route type\n"
484#define EVPN_TYPE_1_HELP_STR "EAD (Type-1) route\n"
485#define EVPN_TYPE_2_HELP_STR "MAC-IP (Type-2) route\n"
486#define EVPN_TYPE_3_HELP_STR "Multicast (Type-3) route\n"
487#define EVPN_TYPE_4_HELP_STR "Ethernet Segment (Type-4) route\n"
488#define EVPN_TYPE_5_HELP_STR "Prefix (Type-5) route\n"
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489#define EVPN_TYPE_ALL_LIST "<ead|1|macip|2|multicast|3|es|4|prefix|5>"
490#define EVPN_TYPE_ALL_LIST_HELP_STR \
491 EVPN_TYPE_1_HELP_STR EVPN_TYPE_1_HELP_STR \
492 EVPN_TYPE_2_HELP_STR EVPN_TYPE_2_HELP_STR \
493 EVPN_TYPE_3_HELP_STR EVPN_TYPE_3_HELP_STR \
494 EVPN_TYPE_4_HELP_STR EVPN_TYPE_4_HELP_STR \
495 EVPN_TYPE_5_HELP_STR EVPN_TYPE_5_HELP_STR
496
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497/* Describing roles */
498#define ROLE_STR \
499 "Providing transit\nRoute server\nRS client\nUsing transit\nPublic/private peering\n"
3717389c 500
718e3744 501/* Prototypes. */
612c2c15 502extern void install_node(struct cmd_node *node);
d62a17ae 503extern void install_default(enum node_type);
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504
505struct xref_install_element {
506 struct xref xref;
507
508 const struct cmd_element *cmd_element;
509 enum node_type node_type;
510};
511
512#ifndef VTYSH_EXTRACT_PL
513#define install_element(node_type_, cmd_element_) do { \
514 static const struct xref_install_element _xref \
515 __attribute__((used)) = { \
516 .xref = XREF_INIT(XREFT_INSTALL_ELEMENT, NULL, \
517 __func__), \
518 .cmd_element = cmd_element_, \
519 .node_type = node_type_, \
520 }; \
521 XREF_LINK(_xref.xref); \
522 _install_element(node_type_, cmd_element_); \
523 } while (0)
524#endif
525
526extern void _install_element(enum node_type, const struct cmd_element *);
718e3744 527
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528/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
529 * deprecated/hidden) are not reversed. */
154e9ca1 530extern void uninstall_element(enum node_type, const struct cmd_element *);
de8f7a39 531
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532/* construct CLI tree only when entering nodes */
533extern void cmd_defer_tree(bool val);
534
535/* finish CLI tree for node when above is true (noop otherwise) */
536extern void cmd_finalize_node(struct cmd_node *node);
537
f6834d4c 538/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
539 string with a space between each element (allocated using
540 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d62a17ae 541extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
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DS
542
543/*
544 * It is preferred that you set the index initial value
545 * to a 0. This way in the future if you modify the
546 * cli then there is no need to modify the initial
547 * value of the index
548 */
d62a17ae 549extern int argv_find(struct cmd_token **argv, int argc, const char *text,
550 int *index);
551
552extern vector cmd_make_strvec(const char *);
553extern void cmd_free_strvec(vector);
554extern vector cmd_describe_command(vector, struct vty *, int *status);
555extern char **cmd_complete_command(vector, struct vty *, int *status);
556extern const char *cmd_prompt(enum node_type);
557extern int command_config_read_one_line(struct vty *vty,
558 const struct cmd_element **,
7ab57d19 559 uint32_t line_num, int use_config_node);
d62a17ae 560extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
561extern enum node_type node_parent(enum node_type);
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562/*
563 * Execute command under the given vty context.
564 *
565 * vty
566 * The vty context to execute under.
567 *
568 * cmd
569 * The command string to execute.
570 *
571 * matched
572 * If non-null and a match was found, the address of the matched command is
573 * stored here. No action otherwise.
574 *
575 * vtysh
576 * Whether or not this is being called from vtysh. If this is nonzero,
577 * XXX: then what?
578 *
579 * Returns:
580 * XXX: what does it return
581 */
582extern int cmd_execute(struct vty *vty, const char *cmd,
583 const struct cmd_element **matched, int vtysh);
d62a17ae 584extern int cmd_execute_command(vector, struct vty *,
585 const struct cmd_element **, int);
586extern int cmd_execute_command_strict(vector, struct vty *,
587 const struct cmd_element **);
f8e6ada8 588extern void cmd_init(int terminal);
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589extern void cmd_init_config_callbacks(void (*start_config_cb)(void),
590 void (*end_config_cb)(void));
d62a17ae 591extern void cmd_terminate(void);
592extern void cmd_exit(struct vty *vty);
593extern int cmd_list_cmds(struct vty *vty, int do_permute);
c2278962 594extern int cmd_find_cmds(struct vty *vty, struct cmd_token **argv, int argc);
d62a17ae 595
6b3ee3a0 596extern int cmd_domainname_set(const char *domainname);
d62a17ae 597extern int cmd_hostname_set(const char *hostname);
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598extern const char *cmd_hostname_get(void);
599extern const char *cmd_domainname_get(void);
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600extern const char *cmd_system_get(void);
601extern const char *cmd_release_get(void);
602extern const char *cmd_version_get(void);
ac156aec 603extern bool cmd_allow_reserved_ranges_get(void);
bff9c3e9 604
af2567b6 605/* NOT safe for general use; call this only if DEV_BUILD! */
d62a17ae 606extern void grammar_sandbox_init(void);
af2567b6 607
d62a17ae 608extern vector completions_to_vec(struct list *completions);
2ab40270 609
718e3744 610/* Export typical functions. */
d62a17ae 611extern const char *host_config_get(void);
612extern void host_config_set(const char *);
6590f2c3 613
d62a17ae 614extern void print_version(const char *);
86228fde 615
d62a17ae 616extern int cmd_banner_motd_file(const char *);
19d61463 617extern void cmd_banner_motd_line(const char *line);
7cfc61d3 618
86228fde 619/* struct host global, ick */
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QY
620extern struct host host;
621
70d44c5c 622struct cmd_variable_handler {
d62a17ae 623 const char *tokenname, *varname;
624 void (*completions)(vector out, struct cmd_token *token);
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625};
626
d62a17ae 627extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
628 vector comps);
629extern void
630cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
631extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
228da428 632
e9b4e74a 633extern void command_setup_early_logging(const char *dest, const char *level);
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634
635#ifdef __cplusplus
636}
637#endif
638
718e3744 639#endif /* _ZEBRA_COMMAND_H */