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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. */
126 PREFIX_IPV6_NODE, /* Prefix list node. */
127 AS_LIST_NODE, /* AS list node. */
128 COMMUNITY_LIST_NODE, /* Community list node. */
129 RMAP_NODE, /* Route map node. */
130 SMUX_NODE, /* SNMP configuration node. */
131 DUMP_NODE, /* Packet dump node. */
132 FORWARDING_NODE, /* IP forwarding node. */
133 PROTOCOL_NODE, /* protocol filtering node */
134 MPLS_NODE, /* MPLS config node */
135 VTY_NODE, /* Vty node. */
136 LINK_PARAMS_NODE, /* Link-parameters node */
137 BGP_EVPN_VNI_NODE, /* BGP EVPN VNI */
a83a5331 138 NODE_TYPE_MAX, /* maximum */
718e3744 139};
140
cf6c83e7 141extern vector cmdvec;
a83a5331
QY
142extern const char *node_names[];
143
718e3744 144/* Node which has some commands and prompt string and configuration
145 function pointer . */
d62a17ae 146struct cmd_node {
147 /* Node index. */
148 enum node_type node;
718e3744 149
d62a17ae 150 /* Prompt character at vty interface. */
151 const char *prompt;
718e3744 152
d62a17ae 153 /* Is this node's configuration goes to vtysh ? */
154 int vtysh;
d0bfb22c 155
d62a17ae 156 /* Node's configuration write function */
157 int (*func)(struct vty *);
718e3744 158
d62a17ae 159 /* Node's command graph */
160 struct graph *cmdgraph;
d0bfb22c 161
d62a17ae 162 /* Vector of this node's command list. */
163 vector cmd_vector;
274f29b2 164
d62a17ae 165 /* Hashed index of command node list, for de-dupping primarily */
166 struct hash *cmd_hash;
718e3744 167};
168
718e3744 169/* Return value of the commands. */
170#define CMD_SUCCESS 0
171#define CMD_WARNING 1
172#define CMD_ERR_NO_MATCH 2
173#define CMD_ERR_AMBIGUOUS 3
174#define CMD_ERR_INCOMPLETE 4
175#define CMD_ERR_EXEED_ARGC_MAX 5
176#define CMD_ERR_NOTHING_TODO 6
177#define CMD_COMPLETE_FULL_MATCH 7
178#define CMD_COMPLETE_MATCH 8
179#define CMD_COMPLETE_LIST_MATCH 9
180#define CMD_SUCCESS_DAEMON 10
1db63918 181#define CMD_ERR_NO_FILE 11
95c4aff2 182#define CMD_SUSPEND 12
f1a05de9 183#define CMD_WARNING_CONFIG_FAILED 13
718e3744 184
185/* Argc max counts. */
186#define CMD_ARGC_MAX 25
187
188/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 189#ifndef VTYSH_EXTRACT_PL
718e3744 190
406d6716 191/* helper defines for end-user DEFUN* macros */
d62a17ae 192#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
193 static struct cmd_element cmdname = { \
194 .string = cmdstr, \
195 .func = funcname, \
196 .doc = helpstr, \
197 .attr = attrs, \
198 .daemon = dnum, \
199 .name = #cmdname, \
200 };
201
202#define DEFUN_CMD_FUNC_DECL(funcname) \
203 static int funcname(const struct cmd_element *, struct vty *, int, \
204 struct cmd_token *[]);
205
206#define DEFUN_CMD_FUNC_TEXT(funcname) \
207 static int funcname(const struct cmd_element *self \
208 __attribute__((unused)), \
209 struct vty *vty __attribute__((unused)), \
210 int argc __attribute__((unused)), \
211 struct cmd_token *argv[] __attribute__((unused)))
212
213#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
214 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
215 funcdecl_##funcname
216
217#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
218 DEFUN_CMD_FUNC_DECL(funcname) \
219 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
220 DEFUN_CMD_FUNC_TEXT(funcname)
221
222#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
223 DEFUN_CMD_FUNC_DECL(funcname) \
224 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
225 DEFUN_CMD_FUNC_TEXT(funcname)
226
227#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
228 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
229
230#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
231 DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
718e3744 232
233/* DEFUN_NOSH for commands that vtysh should ignore */
d62a17ae 234#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
235 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 236
237/* DEFSH for vtysh. */
d62a17ae 238#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
239 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon)
718e3744 240
d62a17ae 241#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
242 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
243 daemon)
abaaab4e 244
718e3744 245/* DEFUN + DEFSH */
d62a17ae 246#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
247 DEFUN_CMD_FUNC_DECL(funcname) \
248 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
249 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 250
274a4a44 251/* DEFUN + DEFSH with attributes */
d62a17ae 252#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
253 DEFUN_CMD_FUNC_DECL(funcname) \
254 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
255 DEFUN_CMD_FUNC_TEXT(funcname)
274a4a44 256
d62a17ae 257#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
258 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
259 CMD_ATTR_HIDDEN)
274a4a44 260
d62a17ae 261#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
262 DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, \
263 CMD_ATTR_DEPRECATED)
274a4a44 264
718e3744 265/* ALIAS macro which define existing command's alias. */
d62a17ae 266#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
267 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
406d6716 268
d62a17ae 269#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
270 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 271
d62a17ae 272#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
273 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
274 0)
406d6716 275
d62a17ae 276#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
277 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
278 CMD_ATTR_DEPRECATED, 0)
718e3744 279
d62a17ae 280#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
281 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
274a4a44 282
d62a17ae 283#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
284 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, \
285 daemon)
274a4a44 286
d62a17ae 287#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
288 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, \
289 CMD_ATTR_DEPRECATED, daemon)
274a4a44 290
5578a14d 291#else /* VTYSH_EXTRACT_PL */
d62a17ae 292#define DEFPY(funcname, cmdname, cmdstr, helpstr) \
293 DEFUN(funcname, cmdname, cmdstr, helpstr)
718e3744 294#endif /* VTYSH_EXTRACT_PL */
295
296/* Some macroes */
ba6d273b
DS
297
298/*
299 * Sometimes #defines create maximum values that
300 * need to have strings created from them that
301 * allow the parser to match against them.
302 * These macros allow that.
303 */
304#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
305#define CMD_CREATE_STR_HELPER(s) #s
6319fd63 306#define CMD_RANGE_STR(a,s) "(" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ")"
ba6d273b 307
718e3744 308/* Common descriptions. */
309#define SHOW_STR "Show running system information\n"
310#define IP_STR "IP information\n"
311#define IPV6_STR "IPv6 information\n"
312#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 313#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 314#define CLEAR_STR "Reset functions\n"
315#define RIP_STR "RIP information\n"
7f57883e 316#define EIGRP_STR "EIGRP information\n"
718e3744 317#define BGP_STR "BGP information\n"
e0bce756
DS
318#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
319#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
320#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
321#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 322#define OSPF_STR "OSPF information\n"
323#define NEIGHBOR_STR "Specify neighbor router\n"
324#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
325#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
326#define ROUTER_STR "Enable a routing process\n"
327#define AS_STR "AS number\n"
328#define MBGP_STR "MBGP information\n"
329#define MATCH_STR "Match values from routing table\n"
330#define SET_STR "Set values in destination routing protocol\n"
331#define OUT_STR "Filter outgoing routing updates\n"
332#define IN_STR "Filter incoming routing updates\n"
333#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
334#define OSPF6_NUMBER_STR "Specify by number\n"
335#define INTERFACE_STR "Interface infomation\n"
336#define IFNAME_STR "Interface name(e.g. ep0)\n"
337#define IP6_STR "IPv6 Information\n"
338#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 339#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 340#define SECONDS_STR "Seconds\n"
718e3744 341#define ROUTE_STR "Routing Table\n"
342#define PREFIX_LIST_STR "Build a prefix list\n"
d62a17ae 343#define OSPF6_DUMP_TYPE_LIST \
344 "<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 345#define ISIS_STR "IS-IS information\n"
346#define AREA_TAG_STR "[area tag]\n"
d0bfb22c
QY
347#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
348#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
349#define MPLS_TE_STR "MPLS-TE specific commands\n"
350#define LINK_PARAMS_STR "Configure interface link parameters\n"
351#define OSPF_RI_STR "OSPF Router Information specific commands\n"
352#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 353#define MPLS_STR "MPLS information\n"
718e3744 354
355#define CONF_BACKUP_EXT ".sav"
356
357/* IPv4 only machine should not accept IPv6 address for peer's IP
358 address. So we replace VTY command string like below. */
718e3744 359#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
360#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
361#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 362
363/* Prototypes. */
d62a17ae 364extern void install_node(struct cmd_node *, int (*)(struct vty *));
365extern void install_default(enum node_type);
366extern void install_element(enum node_type, struct cmd_element *);
718e3744 367
de8f7a39
DL
368/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
369 * deprecated/hidden) are not reversed. */
d62a17ae 370extern void uninstall_element(enum node_type, struct cmd_element *);
de8f7a39 371
f6834d4c 372/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
373 string with a space between each element (allocated using
374 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d62a17ae 375extern char *argv_concat(struct cmd_token **argv, int argc, int shift);
376extern int argv_find(struct cmd_token **argv, int argc, const char *text,
377 int *index);
378
379extern vector cmd_make_strvec(const char *);
380extern void cmd_free_strvec(vector);
381extern vector cmd_describe_command(vector, struct vty *, int *status);
382extern char **cmd_complete_command(vector, struct vty *, int *status);
383extern const char *cmd_prompt(enum node_type);
384extern int command_config_read_one_line(struct vty *vty,
385 const struct cmd_element **,
386 int use_config_node);
387extern int config_from_file(struct vty *, FILE *, unsigned int *line_num);
388extern enum node_type node_parent(enum node_type);
389extern int cmd_execute_command(vector, struct vty *,
390 const struct cmd_element **, int);
391extern int cmd_execute_command_strict(vector, struct vty *,
392 const struct cmd_element **);
393extern void cmd_init(int);
394extern void cmd_terminate(void);
395extern void cmd_exit(struct vty *vty);
396extern int cmd_list_cmds(struct vty *vty, int do_permute);
397
398extern int cmd_hostname_set(const char *hostname);
bff9c3e9 399
af2567b6 400/* NOT safe for general use; call this only if DEV_BUILD! */
d62a17ae 401extern void grammar_sandbox_init(void);
af2567b6 402
d62a17ae 403extern vector completions_to_vec(struct list *completions);
2ab40270 404
718e3744 405/* Export typical functions. */
d62a17ae 406extern const char *host_config_get(void);
407extern void host_config_set(const char *);
6590f2c3 408
d62a17ae 409extern void print_version(const char *);
86228fde 410
d62a17ae 411extern int cmd_banner_motd_file(const char *);
7cfc61d3 412
86228fde 413/* struct host global, ick */
d0bfb22c
QY
414extern struct host host;
415
70d44c5c 416struct cmd_variable_handler {
d62a17ae 417 const char *tokenname, *varname;
418 void (*completions)(vector out, struct cmd_token *token);
70d44c5c
DL
419};
420
d62a17ae 421extern void cmd_variable_complete(struct cmd_token *token, const char *arg,
422 vector comps);
423extern void
424cmd_variable_handler_register(const struct cmd_variable_handler *cvh);
425extern char *cmd_variable_comp2str(vector comps, unsigned short cols);
228da428 426
718e3744 427#endif /* _ZEBRA_COMMAND_H */