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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. */
ca10883e 94 BABEL_NODE, /* BABEL protocol mode node. */
7f57883e 95 EIGRP_NODE, /* EIGRP protocol mode node. */
d0bfb22c
QY
96 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
97 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
98 BGP_VPNV6_NODE, /* BGP MPLS-VPN PE exchange. */
99 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
100 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
f51bae9c 101 BGP_IPV4L_NODE, /* BGP IPv4 labeled unicast address family. */
d0bfb22c
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102 BGP_IPV6_NODE, /* BGP IPv6 address family */
103 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
f51bae9c 104 BGP_IPV6L_NODE, /* BGP IPv6 labeled unicast address family. */
5ff06872 105 BGP_VRF_POLICY_NODE, /* BGP VRF policy */
65efcfce
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106 BGP_VNC_DEFAULTS_NODE, /* BGP VNC nve defaults */
107 BGP_VNC_NVE_GROUP_NODE, /* BGP VNC nve group */
108 BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
109 RFP_DEFAULTS_NODE, /* RFP defaults node */
9e6df0b7 110 BGP_EVPN_NODE, /* BGP EVPN node. */
d0bfb22c
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111 OSPF_NODE, /* OSPF protocol mode */
112 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
eac6e3f0
RW
113 LDP_NODE, /* LDP protocol mode */
114 LDP_IPV4_NODE, /* LDP IPv4 address family */
115 LDP_IPV6_NODE, /* LDP IPv6 address family */
116 LDP_IPV4_IFACE_NODE, /* LDP IPv4 Interface */
117 LDP_IPV6_IFACE_NODE, /* LDP IPv6 Interface */
118 LDP_L2VPN_NODE, /* LDP L2VPN node */
119 LDP_PSEUDOWIRE_NODE, /* LDP Pseudowire node */
d0bfb22c
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120 ISIS_NODE, /* ISIS protocol mode */
121 PIM_NODE, /* PIM protocol mode */
122 MASC_NODE, /* MASC for multicast. */
123 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
124 IP_NODE, /* Static ip route node. */
125 ACCESS_NODE, /* Access list node. */
126 PREFIX_NODE, /* Prefix list node. */
127 ACCESS_IPV6_NODE, /* Access list node. */
128 PREFIX_IPV6_NODE, /* Prefix list node. */
129 AS_LIST_NODE, /* AS list node. */
130 COMMUNITY_LIST_NODE, /* Community list node. */
131 RMAP_NODE, /* Route map node. */
132 SMUX_NODE, /* SNMP configuration node. */
133 DUMP_NODE, /* Packet dump node. */
134 FORWARDING_NODE, /* IP forwarding node. */
7514fb77 135 PROTOCOL_NODE, /* protocol filtering node */
7758e3f3 136 MPLS_NODE, /* MPLS config node */
d0bfb22c 137 VTY_NODE, /* Vty node. */
844ec28c 138 LINK_PARAMS_NODE, /* Link-parameters node */
718e3744 139};
140
141/* Node which has some commands and prompt string and configuration
142 function pointer . */
d0bfb22c 143struct cmd_node
718e3744 144{
145 /* Node index. */
d0bfb22c 146 enum node_type node;
718e3744 147
148 /* Prompt character at vty interface. */
d0bfb22c 149 const char *prompt;
718e3744 150
151 /* Is this node's configuration goes to vtysh ? */
152 int vtysh;
d0bfb22c 153
718e3744 154 /* Node's configuration write function */
155 int (*func) (struct vty *);
156
d0bfb22c
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157 /* Node's command graph */
158 struct graph *cmdgraph;
159
718e3744 160 /* Vector of this node's command list. */
d0bfb22c 161 vector cmd_vector;
274f29b2
PJ
162
163 /* Hashed index of command node list, for de-dupping primarily */
164 struct hash *cmd_hash;
718e3744 165};
166
718e3744 167/* Return value of the commands. */
168#define CMD_SUCCESS 0
169#define CMD_WARNING 1
170#define CMD_ERR_NO_MATCH 2
171#define CMD_ERR_AMBIGUOUS 3
172#define CMD_ERR_INCOMPLETE 4
173#define CMD_ERR_EXEED_ARGC_MAX 5
174#define CMD_ERR_NOTHING_TODO 6
175#define CMD_COMPLETE_FULL_MATCH 7
176#define CMD_COMPLETE_MATCH 8
177#define CMD_COMPLETE_LIST_MATCH 9
178#define CMD_SUCCESS_DAEMON 10
1db63918 179#define CMD_ERR_NO_FILE 11
95c4aff2 180#define CMD_SUSPEND 12
718e3744 181
182/* Argc max counts. */
183#define CMD_ARGC_MAX 25
184
185/* Turn off these macros when uisng cpp with extract.pl */
d0bfb22c 186#ifndef VTYSH_EXTRACT_PL
718e3744 187
406d6716 188/* helper defines for end-user DEFUN* macros */
189#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
555a5bfe 190 static struct cmd_element cmdname = \
718e3744 191 { \
9035efaa 192 .string = cmdstr, \
193 .func = funcname, \
406d6716 194 .doc = helpstr, \
195 .attr = attrs, \
196 .daemon = dnum, \
db85c8b3 197 .name = #cmdname, \
406d6716 198 };
199
200#define DEFUN_CMD_FUNC_DECL(funcname) \
17aca20b 201 static int funcname (const struct cmd_element *, struct vty *, int, struct cmd_token *[]);
406d6716 202
203#define DEFUN_CMD_FUNC_TEXT(funcname) \
274a4a44 204 static int funcname \
17aca20b 205 (const struct cmd_element *self __attribute__ ((unused)), \
6cf0cf0c
PJ
206 struct vty *vty __attribute__ ((unused)), \
207 int argc __attribute__ ((unused)), \
d0bfb22c 208 struct cmd_token *argv[] __attribute__ ((unused)) )
406d6716 209
406d6716 210#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
211 DEFUN_CMD_FUNC_DECL(funcname) \
212 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
213 DEFUN_CMD_FUNC_TEXT(funcname)
214
215#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
216 DEFUN_CMD_FUNC_DECL(funcname) \
217 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
218 DEFUN_CMD_FUNC_TEXT(funcname)
219
220#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
221 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
222
223#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
2557aed1 224 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
718e3744 225
226/* DEFUN_NOSH for commands that vtysh should ignore */
227#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
228 DEFUN(funcname, cmdname, cmdstr, helpstr)
229
230/* DEFSH for vtysh. */
231#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
406d6716 232 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
718e3744 233
abaaab4e
DW
234#define DEFSH_HIDDEN(daemon, cmdname, cmdstr, helpstr) \
235 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon) \
236
718e3744 237/* DEFUN + DEFSH */
238#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
406d6716 239 DEFUN_CMD_FUNC_DECL(funcname) \
240 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
241 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 242
274a4a44 243/* DEFUN + DEFSH with attributes */
244#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
245 DEFUN_CMD_FUNC_DECL(funcname) \
246 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
247 DEFUN_CMD_FUNC_TEXT(funcname)
248
249#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
250 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
251
252#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
253 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
254
718e3744 255/* ALIAS macro which define existing command's alias. */
256#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
406d6716 257 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
258
259#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
274a4a44 260 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 261
262#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
263 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
264
265#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
266 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
718e3744 267
274a4a44 268#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
269 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
270
271#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
272 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
273
274#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
275 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
276
718e3744 277#endif /* VTYSH_EXTRACT_PL */
278
279/* Some macroes */
ba6d273b
DS
280
281/*
282 * Sometimes #defines create maximum values that
283 * need to have strings created from them that
284 * allow the parser to match against them.
285 * These macros allow that.
286 */
287#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s)
288#define CMD_CREATE_STR_HELPER(s) #s
ba6d273b 289
718e3744 290/* Common descriptions. */
291#define SHOW_STR "Show running system information\n"
292#define IP_STR "IP information\n"
293#define IPV6_STR "IPv6 information\n"
294#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 295#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 296#define CLEAR_STR "Reset functions\n"
297#define RIP_STR "RIP information\n"
7f57883e 298#define EIGRP_STR "EIGRP information\n"
718e3744 299#define BGP_STR "BGP information\n"
e0bce756
DS
300#define BGP_SOFT_STR "Soft reconfig inbound and outbound updates\n"
301#define BGP_SOFT_IN_STR "Send route-refresh unless using 'soft-reconfiguration inbound'\n"
302#define BGP_SOFT_OUT_STR "Resend all outbound updates\n"
303#define BGP_SOFT_RSCLIENT_RIB_STR "Soft reconfig for rsclient RIB\n"
718e3744 304#define OSPF_STR "OSPF information\n"
305#define NEIGHBOR_STR "Specify neighbor router\n"
306#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
307#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
308#define ROUTER_STR "Enable a routing process\n"
309#define AS_STR "AS number\n"
310#define MBGP_STR "MBGP information\n"
311#define MATCH_STR "Match values from routing table\n"
312#define SET_STR "Set values in destination routing protocol\n"
313#define OUT_STR "Filter outgoing routing updates\n"
314#define IN_STR "Filter incoming routing updates\n"
315#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
316#define OSPF6_NUMBER_STR "Specify by number\n"
317#define INTERFACE_STR "Interface infomation\n"
318#define IFNAME_STR "Interface name(e.g. ep0)\n"
319#define IP6_STR "IPv6 Information\n"
320#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
d0bfb22c 321#define OSPF6_INSTANCE_STR "(1-65535) Instance ID\n"
98cfd06b 322#define SECONDS_STR "Seconds\n"
718e3744 323#define ROUTE_STR "Routing Table\n"
324#define PREFIX_LIST_STR "Build a prefix list\n"
325#define OSPF6_DUMP_TYPE_LIST \
d0bfb22c 326"<neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr>"
9e867fe6 327#define ISIS_STR "IS-IS information\n"
328#define AREA_TAG_STR "[area tag]\n"
d0bfb22c
QY
329#define COMMUNITY_AANN_STR "Community number where AA and NN are (0-65535)\n"
330#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
331#define MPLS_TE_STR "MPLS-TE specific commands\n"
332#define LINK_PARAMS_STR "Configure interface link parameters\n"
333#define OSPF_RI_STR "OSPF Router Information specific commands\n"
334#define PCE_STR "PCE Router Information specific commands\n"
7758e3f3 335#define MPLS_STR "MPLS information\n"
718e3744 336
337#define CONF_BACKUP_EXT ".sav"
338
339/* IPv4 only machine should not accept IPv6 address for peer's IP
340 address. So we replace VTY command string like below. */
718e3744 341#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
a80beece
DS
342#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nInterface name or neighbor tag\n"
343#define NEIGHBOR_ADDR_STR3 "Neighbor address\nIPv6 address\nInterface name\n"
718e3744 344
345/* Prototypes. */
8cc4198f 346extern void install_node (struct cmd_node *, int (*) (struct vty *));
347extern void install_default (enum node_type);
348extern void install_element (enum node_type, struct cmd_element *);
718e3744 349
de8f7a39
DL
350/* known issue with uninstall_element: changes to cmd_token->attr (i.e.
351 * deprecated/hidden) are not reversed. */
352extern void uninstall_element (enum node_type, struct cmd_element *);
353
f6834d4c 354/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
355 string with a space between each element (allocated using
356 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
d0bfb22c 357extern char *argv_concat (struct cmd_token **argv, int argc, int shift);
ae19d7dd 358extern int argv_find (struct cmd_token **argv, int argc, const char *text, int *index);
8cc4198f 359
360extern vector cmd_make_strvec (const char *);
361extern void cmd_free_strvec (vector);
362extern vector cmd_describe_command (vector, struct vty *, int *status);
363extern char **cmd_complete_command (vector, struct vty *, int *status);
364extern const char *cmd_prompt (enum node_type);
17aca20b 365extern int command_config_read_one_line (struct vty *vty, const struct cmd_element **, int use_config_node);
13fbc82d 366extern int config_from_file (struct vty *, FILE *, unsigned int *line_num);
8cc4198f 367extern enum node_type node_parent (enum node_type);
17aca20b
QY
368extern int cmd_execute_command (vector, struct vty *, const struct cmd_element **, int);
369extern int cmd_execute_command_strict (vector, struct vty *, const struct cmd_element **);
8cc4198f 370extern void cmd_init (int);
228da428 371extern void cmd_terminate (void);
0b84f294
DL
372extern void cmd_exit (struct vty *vty);
373extern int cmd_list_cmds (struct vty *vty, int do_permute);
718e3744 374
bff9c3e9
DL
375extern int cmd_hostname_set (const char *hostname);
376
af2567b6
DL
377/* NOT safe for general use; call this only if DEV_BUILD! */
378extern void grammar_sandbox_init (void);
379
af2567b6 380extern vector completions_to_vec (struct list *completions);
2ab40270 381
718e3744 382/* Export typical functions. */
57387fb2 383extern const char *host_config_get (void);
c0e8c16f 384extern void host_config_set (const char *);
6590f2c3 385
8cc4198f 386extern void print_version (const char *);
86228fde 387
7cfc61d3
DS
388extern int cmd_banner_motd_file (const char *);
389
86228fde 390/* struct host global, ick */
d0bfb22c
QY
391extern struct host host;
392
70d44c5c
DL
393struct cmd_variable_handler {
394 const char *tokenname, *varname;
395 void (*completions)(vector out, struct cmd_token *token);
396};
397
398extern void cmd_variable_complete (struct cmd_token *token, const char *arg, vector comps);
399extern void cmd_variable_handler_register (const struct cmd_variable_handler *cvh);
228da428 400
718e3744 401#endif /* _ZEBRA_COMMAND_H */