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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"
4a1ab8e4
DL
32
33DECLARE_MTYPE(HOST)
70d44c5c 34DECLARE_MTYPE(COMPLETION)
4a1ab8e4
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
d62a17ae 44 /* Password for vty interface. */
45 char *password;
46 char *password_encrypt;
718e3744 47
d62a17ae 48 /* Enable password */
49 char *enable;
50 char *enable_encrypt;
718e3744 51
d62a17ae 52 /* System wide terminal lines. */
53 int lines;
718e3744 54
d62a17ae 55 /* Log filename. */
56 char *logfile;
718e3744 57
d62a17ae 58 /* config file name of this host */
59 char *config;
60 int noconfig;
718e3744 61
d62a17ae 62 /* Flags for services */
63 int advanced;
64 int encrypt;
718e3744 65
d62a17ae 66 /* Banner configuration. */
67 const char *motd;
68 char *motdfile;
718e3744 69};
70
cf6c83e7 71/* List of CLI nodes. Please remember to update the name array in command.c. */
d62a17ae 72enum node_type {
73 AUTH_NODE, /* Authentication mode of vty interface. */
74 VIEW_NODE, /* View node. Default mode of vty interface. */
75 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
76 ENABLE_NODE, /* Enable node. */
77 CONFIG_NODE, /* Config node. Default mode of config file. */
78 SERVICE_NODE, /* Service node. */
79 DEBUG_NODE, /* Debug node. */
80 VRF_DEBUG_NODE, /* Vrf Debug node. */
81 DEBUG_VNC_NODE, /* Debug VNC node. */
82 AAA_NODE, /* AAA node. */
83 KEYCHAIN_NODE, /* Key-chain node. */
84 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
85 NS_NODE, /* Logical-Router node. */
86 VRF_NODE, /* VRF mode node. */
87 INTERFACE_NODE, /* Interface mode node. */
88 ZEBRA_NODE, /* zebra connection node. */
89 TABLE_NODE, /* rtm_table selection node. */
90 RIP_NODE, /* RIP protocol mode node. */
91 RIPNG_NODE, /* RIPng protocol mode node. */
92 BABEL_NODE, /* BABEL protocol mode node. */
93 EIGRP_NODE, /* EIGRP protocol mode node. */
94 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
95 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
96 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
97 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
98 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
99 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
100 BGP_IPV6_NODE, /* BGP IPv6 address family */
101 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
102 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
103 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
104 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
105 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
106 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
107 RFP_DEFAULTS_NODE, /* RFP defaults node */
108 BGP_EVPN_NODE, /* BGP EVPN node. */
109 OSPF_NODE, /* OSPF protocol mode */
110 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
111 LDP_NODE, /* LDP protocol mode */
112 LDP_IPV4_NODE, /* LDP IPv4 address family */
113 LDP_IPV6_NODE, /* LDP IPv6 address family */
114 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
115 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
116 LDP_L2VPN_NODE, /* LDP L2VPN node */
117 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
118 ISIS_NODE, /* ISIS protocol mode */
119 PIM_NODE, /* PIM protocol mode */
120 MASC_NODE, /* MASC for multicast. */
121 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
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. */
d37ba549 126 ACCESS_MAC_NODE, /* MAC access list node*/
d62a17ae 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 */
2dd0d726 136 PW_NODE, /* Pseudowire config node */
d62a17ae 137 VTY_NODE, /* Vty node. */
138 LINK_PARAMS_NODE, /* Link-parameters node */
139 BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
a83a5331 140 NODE_TYPE_MAX, /* maximum */
718e3744 141};
142
cf6c83e7 143extern vector cmdvec;
a83a5331
QY
144extern const char *node_names[];
145
718e3744 146/* Node which has some commands and prompt string and configuration
147 function pointer . */
d62a17ae 148struct cmd_node {
149 /* Node index. */
150 enum node_type node;
718e3744 151
d62a17ae 152 /* Prompt character at vty interface. */
153 const char *prompt;
718e3744 154
d62a17ae 155 /* Is this node's configuration goes to vtysh ? */
156 int vtysh;
d0bfb22c 157
d62a17ae 158 /* Node's configuration write function */
159 int (*func)(struct vty *);
718e3744 160
d62a17ae 161 /* Node's command graph */
162 struct graph *cmdgraph;
d0bfb22c 163
d62a17ae 164 /* Vector of this node's command list. */
165 vector cmd_vector;
274f29b2 166
d62a17ae 167 /* Hashed index of command node list, for de-dupping primarily */
168 struct hash *cmd_hash;
718e3744 169};
170
718e3744 171/* Return value of the commands. */
172#define CMD_SUCCESS 0
173#define CMD_WARNING 1
174#define CMD_ERR_NO_MATCH 2
175#define CMD_ERR_AMBIGUOUS 3
176#define CMD_ERR_INCOMPLETE 4
177#define CMD_ERR_EXEED_ARGC_MAX 5
178#define CMD_ERR_NOTHING_TODO 6
179#define CMD_COMPLETE_FULL_MATCH 7
180#define CMD_COMPLETE_MATCH 8
181#define CMD_COMPLETE_LIST_MATCH 9
182#define CMD_SUCCESS_DAEMON 10
1db63918 183#define CMD_ERR_NO_FILE 11
95c4aff2 184#define CMD_SUSPEND 12
f1a05de9 185#define CMD_WARNING_CONFIG_FAILED 13
a3d826f0 186#define CMD_NOT_MY_INSTANCE 14
718e3744 187
188/* Argc max counts. */
189#define CMD_ARGC_MAX 25
190
191/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 192#ifndef VTYSH_EXTRACT_PL
718e3744 193
406d6716 194/* helper defines for end-user DEFUN* macros */
d62a17ae 195#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
196 static struct cmd_element cmdname = { \
197 .string = cmdstr, \
198 .func = funcname, \
199 .doc = helpstr, \
200 .attr = attrs, \
201 .daemon = dnum, \
202 .name = #cmdname, \
203 };
204
205#define DEFUN_CMD_FUNC_DECL(funcname) \
206 static int funcname(const struct cmd_element *, struct vty *, int, \
207 struct cmd_token *[]);
208
209#define DEFUN_CMD_FUNC_TEXT(funcname) \
210 static int funcname(const struct cmd_element *self \
211 __attribute__((unused)), \
212 struct vty *vty __attribute__((unused)), \
213 int argc __attribute__((unused)), \
214 struct cmd_token *argv[] __attribute__((unused)))
215
216#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
217 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
218 funcdecl_##funcname
219
220#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
221 DEFUN_CMD_FUNC_DECL(funcname) \
222 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
223 DEFUN_CMD_FUNC_TEXT(funcname)
224
225#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
226 DEFUN_CMD_FUNC_DECL(funcname) \
227 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
228 DEFUN_CMD_FUNC_TEXT(funcname)
229
230#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
231 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
232
233#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
234 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
718e3744 235
236/* DEFUN_NOSH for commands that vtysh should ignore */
d62a17ae 237#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
238 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 239
240/* DEFSH for vtysh. */
d62a17ae 241#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
242 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
718e3744 243
d62a17ae 244#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
245 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
246 daemon)
abaaab4e 247
718e3744 248/* DEFUN + DEFSH */
d62a17ae 249#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
250 DEFUN_CMD_FUNC_DECL(funcname) \
251 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
252 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 253
274a4a44 254/* DEFUN + DEFSH with attributes */
d62a17ae 255#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
256 DEFUN_CMD_FUNC_DECL(funcname) \
257 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
258 DEFUN_CMD_FUNC_TEXT(funcname)
274a4a44 259
d62a17ae 260#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
261 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
262 CMD_ATTR_HIDDEN)
274a4a44 263
d62a17ae 264#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
265 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
266 CMD_ATTR_DEPRECATED)
274a4a44 267
718e3744 268/* ALIAS macro which define existing command's alias. */
d62a17ae 269#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
270 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
406d6716 271
d62a17ae 272#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
273 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 274
d62a17ae 275#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
276 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
277 0)
406d6716 278
d62a17ae 279#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
280 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
281 CMD_ATTR_DEPRECATED, 0)
718e3744 282
d62a17ae 283#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
284 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
274a4a44 285
d62a17ae 286#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
287 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
288 daemon)
274a4a44 289
d62a17ae 290#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
291 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
292 CMD_ATTR_DEPRECATED, daemon)
274a4a44 293
5578a14d 294#else /* VTYSH_EXTRACT_PL */
d62a17ae 295#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
296 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 297#endif /* VTYSH_EXTRACT_PL */
298
299/* Some macroes */
ba6d273b
DS
300
301/*
302 * Sometimes #defines create maximum values that
303 * need to have strings created from them that
304 * allow the parser to match against them.
305 * These macros allow that.
306 */
307#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
308#define CMD_CREATE_STR_HELPER(s) #s
6319fd63 309#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
ba6d273b 310
718e3744 311/* Common descriptions. */
312#define SHOW_STR "Show running system information\n"
313#define IP_STR "IP information\n"
314#define IPV6_STR "IPv6 information\n"
315#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 316#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 317#define CLEAR_STR "Reset functions\n"
318#define RIP_STR "RIP information\n"
7f57883e 319#define EIGRP_STR "EIGRP information\n"
718e3744 320#define BGP_STR "BGP information\n"
e0bce756
DS
321#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
322#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
323#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
324#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 325#define OSPF_STR "OSPF information\n"
326#define NEIGHBOR_STR "Specify neighbor router\n"
327#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
328#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
329#define ROUTER_STR "Enable a routing process\n"
330#define AS_STR "AS number\n"
331#define MBGP_STR "MBGP information\n"
332#define MATCH_STR "Match values from routing table\n"
333#define SET_STR "Set values in destination routing protocol\n"
334#define OUT_STR "Filter outgoing routing updates\n"
335#define IN_STR "Filter incoming routing updates\n"
336#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
337#define OSPF6_NUMBER_STR "Specify by number\n"
338#define INTERFACE_STR "Interface infomation\n"
339#define IFNAME_STR "Interface name(e.g. ep0)\n"
340#define IP6_STR "IPv6 Information\n"
341#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 342#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 343#define SECONDS_STR "Seconds\n"
718e3744 344#define ROUTE_STR "Routing Table\n"
345#define PREFIX_LIST_STR "Build a prefix list\n"
d62a17ae 346#define OSPF6_DUMP_TYPE_LIST \
347 "<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 348#define ISIS_STR "IS-IS information\n"
349#define AREA_TAG_STR "[area tag]\n"
d0bfb22c
QY
350#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
351#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
352#define MPLS_TE_STR "MPLS-TE specific commands\n"
353#define LINK_PARAMS_STR "Configure interface link parameters\n"
354#define OSPF_RI_STR "OSPF Router Information specific commands\n"
355#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 356#define MPLS_STR "MPLS information\n"
718e3744 357
358#define CONF_BACKUP_EXT ".sav"
359
360/* IPv4 only machine should not accept IPv6 address for peer's IP
361 address. So we replace VTY command string like below. */
718e3744 362#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
363#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
364#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 365
366/* Prototypes. */
d62a17ae 367extern void install_node(struct cmd_node *, int (*)(struct vty *));
368extern void install_default(enum node_type);
369extern void install_element(enum node_type, struct cmd_element *);
718e3744 370
de8f7a39
DL
371/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
372 * deprecated/hidden) are not reversed. */
d62a17ae 373extern void uninstall_element(enum node_type, struct cmd_element *);
de8f7a39 374
f6834d4c 375/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
376 string with a space between each element (allocated using
377 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d62a17ae 378extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
379extern int argv_find(struct cmd_token **argv, int argc, const char *text,
380 int *index);
381
382extern vector cmd_make_strvec(const char *);
383extern void cmd_free_strvec(vector);
384extern vector cmd_describe_command(vector, struct vty *, int *status);
385extern char **cmd_complete_command(vector, struct vty *, int *status);
386extern const char *cmd_prompt(enum node_type);
387extern int command_config_read_one_line(struct vty *vty,
388 const struct cmd_element **,
389 int use_config_node);
390extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
391extern enum node_type node_parent(enum node_type);
392extern int cmd_execute_command(vector, struct vty *,
393 const struct cmd_element **, int);
394extern int cmd_execute_command_strict(vector, struct vty *,
395 const struct cmd_element **);
396extern void cmd_init(int);
397extern void cmd_terminate(void);
398extern void cmd_exit(struct vty *vty);
399extern int cmd_list_cmds(struct vty *vty, int do_permute);
400
401extern int cmd_hostname_set(const char *hostname);
bff9c3e9 402
af2567b6 403/* NOT safe for general use; call this only if DEV_BUILD! */
d62a17ae 404extern void grammar_sandbox_init(void);
af2567b6 405
d62a17ae 406extern vector completions_to_vec(struct list *completions);
2ab40270 407
718e3744 408/* Export typical functions. */
d62a17ae 409extern const char *host_config_get(void);
410extern void host_config_set(const char *);
6590f2c3 411
d62a17ae 412extern void print_version(const char *);
86228fde 413
d62a17ae 414extern int cmd_banner_motd_file(const char *);
7cfc61d3 415
86228fde 416/* struct host global, ick */
d0bfb22c
QY
417extern struct host host;
418
70d44c5c 419struct cmd_variable_handler {
d62a17ae 420 const char *tokenname, *varname;
421 void (*completions)(vector out, struct cmd_token *token);
70d44c5c
DL
422};
423
d62a17ae 424extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
425 vector comps);
426extern void
427cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
428extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
228da428 429
718e3744 430#endif /* _ZEBRA_COMMAND_H */