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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 */
40struct host
41{
42 /* Host name of this router. */
43 char *name;
44
45 /* Password for vty interface. */
46 char *password;
47 char *password_encrypt;
48
49 /* Enable password */
50 char *enable;
51 char *enable_encrypt;
52
53 /* System wide terminal lines. */
54 int lines;
55
56 /* Log filename. */
57 char *logfile;
58
718e3744 59 /* config file name of this host */
60 char *config;
87f44e2f 61 int noconfig;
718e3744 62
63 /* Flags for services */
64 int advanced;
65 int encrypt;
66
67 /* Banner configuration. */
8c328f11 68 const char *motd;
3b0c5d9a 69 char *motdfile;
718e3744 70};
71
72/* There are some command levels which called from command node. */
d0bfb22c 73enum node_type
718e3744 74{
d0bfb22c 75 AUTH_NODE, /* Authentication mode of vty interface. */
d0bfb22c
QY
76 VIEW_NODE, /* View node. Default mode of vty interface. */
77 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
78 ENABLE_NODE, /* Enable node. */
79 CONFIG_NODE, /* Config node. Default mode of config file. */
80 SERVICE_NODE, /* Service node. */
81 DEBUG_NODE, /* Debug node. */
19dc275e 82 VRF_DEBUG_NODE, /* Vrf Debug node. */
65efcfce 83 DEBUG_VNC_NODE, /* Debug VNC node. */
d0bfb22c
QY
84 AAA_NODE, /* AAA node. */
85 KEYCHAIN_NODE, /* Key-chain node. */
86 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
844ec28c 87 NS_NODE, /* Logical-Router node. */
d0bfb22c
QY
88 VRF_NODE, /* VRF mode node. */
89 INTERFACE_NODE, /* Interface mode node. */
90 ZEBRA_NODE, /* zebra connection node. */
91 TABLE_NODE, /* rtm_table selection node. */
92 RIP_NODE, /* RIP protocol mode node. */
93 RIPNG_NODE, /* RIPng protocol mode node. */
7f57883e 94 EIGRP_NODE, /* EIGRP protocol mode node. */
d0bfb22c
QY
95 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
96 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
97 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
98 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
99 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
f51bae9c 100 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
d0bfb22c
QY
101 BGP_IPV6_NODE, /* BGP IPv6 address family */
102 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
f51bae9c 103 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
5ff06872 104 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
65efcfce
LB
105 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
106 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
107 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
108 RFP_DEFAULTS_NODE, /* RFP defaults node */
9e6df0b7 109 BGP_EVPN_NODE, /* BGP EVPN node. */
d0bfb22c
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110 OSPF_NODE, /* OSPF protocol mode */
111 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
eac6e3f0
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112 LDP_NODE, /* LDP protocol mode */
113 LDP_IPV4_NODE, /* LDP IPv4 address family */
114 LDP_IPV6_NODE, /* LDP IPv6 address family */
115 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
116 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
117 LDP_L2VPN_NODE, /* LDP L2VPN node */
118 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
d0bfb22c
QY
119 ISIS_NODE, /* ISIS protocol mode */
120 PIM_NODE, /* PIM protocol mode */
121 MASC_NODE, /* MASC for multicast. */
122 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
123 IP_NODE, /* Static ip route node. */
124 ACCESS_NODE, /* Access list node. */
125 PREFIX_NODE, /* Prefix list node. */
126 ACCESS_IPV6_NODE, /* 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. */
7514fb77 134 PROTOCOL_NODE, /* protocol filtering node */
7758e3f3 135 MPLS_NODE, /* MPLS config node */
d0bfb22c 136 VTY_NODE, /* Vty node. */
844ec28c 137 LINK_PARAMS_NODE, /* Link-parameters node */
718e3744 138};
139
140/* Node which has some commands and prompt string and configuration
141 function pointer . */
d0bfb22c 142struct cmd_node
718e3744 143{
144 /* Node index. */
d0bfb22c 145 enum node_type node;
718e3744 146
147 /* Prompt character at vty interface. */
d0bfb22c 148 const char *prompt;
718e3744 149
150 /* Is this node's configuration goes to vtysh ? */
151 int vtysh;
d0bfb22c 152
718e3744 153 /* Node's configuration write function */
154 int (*func) (struct vty *);
155
d0bfb22c
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156 /* Node's command graph */
157 struct graph *cmdgraph;
158
718e3744 159 /* Vector of this node's command list. */
d0bfb22c 160 vector cmd_vector;
274f29b2
PJ
161
162 /* Hashed index of command node list, for de-dupping primarily */
163 struct hash *cmd_hash;
718e3744 164};
165
718e3744 166/* Return value of the commands. */
167#define CMD_SUCCESS 0
168#define CMD_WARNING 1
169#define CMD_ERR_NO_MATCH 2
170#define CMD_ERR_AMBIGUOUS 3
171#define CMD_ERR_INCOMPLETE 4
172#define CMD_ERR_EXEED_ARGC_MAX 5
173#define CMD_ERR_NOTHING_TODO 6
174#define CMD_COMPLETE_FULL_MATCH 7
175#define CMD_COMPLETE_MATCH 8
176#define CMD_COMPLETE_LIST_MATCH 9
177#define CMD_SUCCESS_DAEMON 10
1db63918 178#define CMD_ERR_NO_FILE 11
95c4aff2 179#define CMD_SUSPEND 12
718e3744 180
181/* Argc max counts. */
182#define CMD_ARGC_MAX 25
183
184/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 185#ifndef VTYSH_EXTRACT_PL
718e3744 186
406d6716 187/* helper defines for end-user DEFUN* macros */
188#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
555a5bfe 189 static struct cmd_element cmdname = \
718e3744 190 { \
9035efaa 191 .string = cmdstr, \
192 .func = funcname, \
406d6716 193 .doc = helpstr, \
194 .attr = attrs, \
195 .daemon = dnum, \
db85c8b3 196 .name = #cmdname, \
406d6716 197 };
198
199#define DEFUN_CMD_FUNC_DECL(funcname) \
17aca20b 200 static int funcname (const struct cmd_element *, struct vty *, int, struct cmd_token *[]);
406d6716 201
202#define DEFUN_CMD_FUNC_TEXT(funcname) \
274a4a44 203 static int funcname \
17aca20b 204 (const struct cmd_element *self __attribute__ ((unused)), \
6cf0cf0c
PJ
205 struct vty *vty __attribute__ ((unused)), \
206 int argc __attribute__ ((unused)), \
d0bfb22c 207 struct cmd_token *argv[] __attribute__ ((unused)) )
406d6716 208
406d6716 209#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
210 DEFUN_CMD_FUNC_DECL(funcname) \
211 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
212 DEFUN_CMD_FUNC_TEXT(funcname)
213
214#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
215 DEFUN_CMD_FUNC_DECL(funcname) \
216 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
217 DEFUN_CMD_FUNC_TEXT(funcname)
218
219#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
220 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
221
222#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
2557aed1 223 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
718e3744 224
225/* DEFUN_NOSH for commands that vtysh should ignore */
226#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
227 DEFUN(funcname, cmdname, cmdstr, helpstr)
228
229/* DEFSH for vtysh. */
230#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
406d6716 231 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
718e3744 232
abaaab4e
DW
233#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
234 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon) \
235
718e3744 236/* DEFUN + DEFSH */
237#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
406d6716 238 DEFUN_CMD_FUNC_DECL(funcname) \
239 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
240 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 241
274a4a44 242/* DEFUN + DEFSH with attributes */
243#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
244 DEFUN_CMD_FUNC_DECL(funcname) \
245 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
246 DEFUN_CMD_FUNC_TEXT(funcname)
247
248#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
249 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
250
251#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
252 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
253
718e3744 254/* ALIAS macro which define existing command's alias. */
255#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
406d6716 256 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
257
258#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
274a4a44 259 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 260
261#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
262 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
263
264#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
265 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
718e3744 266
274a4a44 267#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
268 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
269
270#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
271 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
272
273#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
274 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
275
718e3744 276#endif /* VTYSH_EXTRACT_PL */
277
278/* Some macroes */
ba6d273b
DS
279
280/*
281 * Sometimes #defines create maximum values that
282 * need to have strings created from them that
283 * allow the parser to match against them.
284 * These macros allow that.
285 */
286#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
287#define CMD_CREATE_STR_HELPER(s) #s
ba6d273b 288
718e3744 289/* Common descriptions. */
290#define SHOW_STR "Show running system information\n"
291#define IP_STR "IP information\n"
292#define IPV6_STR "IPv6 information\n"
293#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 294#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 295#define CLEAR_STR "Reset functions\n"
296#define RIP_STR "RIP information\n"
7f57883e 297#define EIGRP_STR "EIGRP information\n"
718e3744 298#define BGP_STR "BGP information\n"
e0bce756
DS
299#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
300#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
301#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
302#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 303#define OSPF_STR "OSPF information\n"
304#define NEIGHBOR_STR "Specify neighbor router\n"
305#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
306#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
307#define ROUTER_STR "Enable a routing process\n"
308#define AS_STR "AS number\n"
309#define MBGP_STR "MBGP information\n"
310#define MATCH_STR "Match values from routing table\n"
311#define SET_STR "Set values in destination routing protocol\n"
312#define OUT_STR "Filter outgoing routing updates\n"
313#define IN_STR "Filter incoming routing updates\n"
314#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
315#define OSPF6_NUMBER_STR "Specify by number\n"
316#define INTERFACE_STR "Interface infomation\n"
317#define IFNAME_STR "Interface name(e.g. ep0)\n"
318#define IP6_STR "IPv6 Information\n"
319#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 320#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 321#define SECONDS_STR "Seconds\n"
718e3744 322#define ROUTE_STR "Routing Table\n"
323#define PREFIX_LIST_STR "Build a prefix list\n"
324#define OSPF6_DUMP_TYPE_LIST \
d0bfb22c 325"<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 326#define ISIS_STR "IS-IS information\n"
327#define AREA_TAG_STR "[area tag]\n"
d0bfb22c
QY
328#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
329#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
330#define MPLS_TE_STR "MPLS-TE specific commands\n"
331#define LINK_PARAMS_STR "Configure interface link parameters\n"
332#define OSPF_RI_STR "OSPF Router Information specific commands\n"
333#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 334#define MPLS_STR "MPLS information\n"
718e3744 335
336#define CONF_BACKUP_EXT ".sav"
337
338/* IPv4 only machine should not accept IPv6 address for peer's IP
339 address. So we replace VTY command string like below. */
718e3744 340#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
341#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
342#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 343
344/* Prototypes. */
8cc4198f 345extern void install_node (struct cmd_node *, int (*) (struct vty *));
346extern void install_default (enum node_type);
347extern void install_element (enum node_type, struct cmd_element *);
718e3744 348
de8f7a39
DL
349/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
350 * deprecated/hidden) are not reversed. */
351extern void uninstall_element (enum node_type, struct cmd_element *);
352
f6834d4c 353/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
354 string with a space between each element (allocated using
355 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d0bfb22c 356extern char *argv_concat (struct cmd_token **argv, int argc, int shift);
ae19d7dd 357extern int argv_find (struct cmd_token **argv, int argc, const char *text, int *index);
8cc4198f 358
359extern vector cmd_make_strvec (const char *);
360extern void cmd_free_strvec (vector);
361extern vector cmd_describe_command (vector, struct vty *, int *status);
362extern char **cmd_complete_command (vector, struct vty *, int *status);
363extern const char *cmd_prompt (enum node_type);
17aca20b 364extern int command_config_read_one_line (struct vty *vty, const struct cmd_element **, int use_config_node);
13fbc82d 365extern int config_from_file (struct vty *, FILE *, unsigned int *line_num);
8cc4198f 366extern enum node_type node_parent (enum node_type);
17aca20b
QY
367extern int cmd_execute_command (vector, struct vty *, const struct cmd_element **, int);
368extern int cmd_execute_command_strict (vector, struct vty *, const struct cmd_element **);
8cc4198f 369extern void cmd_init (int);
228da428 370extern void cmd_terminate (void);
0b84f294
DL
371extern void cmd_exit (struct vty *vty);
372extern int cmd_list_cmds (struct vty *vty, int do_permute);
718e3744 373
bff9c3e9
DL
374extern int cmd_hostname_set (const char *hostname);
375
af2567b6
DL
376/* NOT safe for general use; call this only if DEV_BUILD! */
377extern void grammar_sandbox_init (void);
378
af2567b6 379extern vector completions_to_vec (struct list *completions);
2ab40270 380
718e3744 381/* Export typical functions. */
57387fb2 382extern const char *host_config_get (void);
c0e8c16f 383extern void host_config_set (const char *);
6590f2c3 384
8cc4198f 385extern void print_version (const char *);
86228fde 386
7cfc61d3
DS
387extern int cmd_banner_motd_file (const char *);
388
86228fde 389/* struct host global, ick */
d0bfb22c
QY
390extern struct host host;
391
70d44c5c
DL
392struct cmd_variable_handler {
393 const char *tokenname, *varname;
394 void (*completions)(vector out, struct cmd_token *token);
395};
396
397extern void cmd_variable_complete (struct cmd_token *token, const char *arg, vector comps);
398extern void cmd_variable_handler_register (const struct cmd_variable_handler *cvh);
399
718e3744 400#endif /* _ZEBRA_COMMAND_H */