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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.
11 *
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 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
21 */
22
23#ifndef _ZEBRA_COMMAND_H
24#define _ZEBRA_COMMAND_H
25
26#include "vector.h"
27#include "vty.h"
28
29/* Host configuration variable */
30struct host
31{
32 /* Host name of this router. */
33 char *name;
34
35 /* Password for vty interface. */
36 char *password;
37 char *password_encrypt;
38
39 /* Enable password */
40 char *enable;
41 char *enable_encrypt;
42
43 /* System wide terminal lines. */
44 int lines;
45
46 /* Log filename. */
47 char *logfile;
48
718e3744 49 /* config file name of this host */
50 char *config;
51
52 /* Flags for services */
53 int advanced;
54 int encrypt;
55
56 /* Banner configuration. */
8c328f11 57 const char *motd;
3b0c5d9a 58 char *motdfile;
718e3744 59};
60
61/* There are some command levels which called from command node. */
62enum node_type
63{
64 AUTH_NODE, /* Authentication mode of vty interface. */
65 VIEW_NODE, /* View node. Default mode of vty interface. */
66 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
67 ENABLE_NODE, /* Enable node. */
68 CONFIG_NODE, /* Config node. Default mode of config file. */
e7168df4 69 SERVICE_NODE, /* Service node. */
718e3744 70 DEBUG_NODE, /* Debug node. */
71 AAA_NODE, /* AAA node. */
72 KEYCHAIN_NODE, /* Key-chain node. */
73 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
74 INTERFACE_NODE, /* Interface mode node. */
75 ZEBRA_NODE, /* zebra connection node. */
76 TABLE_NODE, /* rtm_table selection node. */
77 RIP_NODE, /* RIP protocol mode node. */
78 RIPNG_NODE, /* RIPng protocol mode node. */
79 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
80 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
81 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
82 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
83 BGP_IPV6_NODE, /* BGP IPv6 address family */
1e836590 84 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
718e3744 85 OSPF_NODE, /* OSPF protocol mode */
86 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
9e867fe6 87 ISIS_NODE, /* ISIS protocol mode */
718e3744 88 MASC_NODE, /* MASC for multicast. */
89 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
90 IP_NODE, /* Static ip route node. */
91 ACCESS_NODE, /* Access list node. */
92 PREFIX_NODE, /* Prefix list node. */
93 ACCESS_IPV6_NODE, /* Access list node. */
94 PREFIX_IPV6_NODE, /* Prefix list node. */
95 AS_LIST_NODE, /* AS list node. */
96 COMMUNITY_LIST_NODE, /* Community list node. */
97 RMAP_NODE, /* Route map node. */
98 SMUX_NODE, /* SNMP configuration node. */
99 DUMP_NODE, /* Packet dump node. */
100 FORWARDING_NODE, /* IP forwarding node. */
101 VTY_NODE /* Vty node. */
102};
103
104/* Node which has some commands and prompt string and configuration
105 function pointer . */
106struct cmd_node
107{
108 /* Node index. */
109 enum node_type node;
110
111 /* Prompt character at vty interface. */
8c328f11 112 const char *prompt;
718e3744 113
114 /* Is this node's configuration goes to vtysh ? */
115 int vtysh;
116
117 /* Node's configuration write function */
118 int (*func) (struct vty *);
119
120 /* Vector of this node's command list. */
121 vector cmd_vector;
122};
123
406d6716 124enum
125{
9c5d8562 126 CMD_ATTR_DEPRECATED = 1,
406d6716 127 CMD_ATTR_HIDDEN,
128};
129
718e3744 130/* Structure of command element. */
131struct cmd_element
132{
8c328f11 133 const char *string; /* Command specification by string. */
9035efaa 134 int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
8c328f11 135 const char *doc; /* Documentation of this command. */
718e3744 136 int daemon; /* Daemon to which this command belong. */
137 vector strvec; /* Pointing out each description vector. */
8c328f11 138 unsigned int cmdsize; /* Command index count. */
718e3744 139 char *config; /* Configuration string */
140 vector subconfig; /* Sub configuration string */
406d6716 141 u_char attr; /* Command attributes */
718e3744 142};
143
144/* Command description structure. */
145struct desc
146{
8c328f11 147 const char *cmd; /* Command string. */
148 const char *str; /* Command's description. */
718e3744 149};
150
151/* Return value of the commands. */
152#define CMD_SUCCESS 0
153#define CMD_WARNING 1
154#define CMD_ERR_NO_MATCH 2
155#define CMD_ERR_AMBIGUOUS 3
156#define CMD_ERR_INCOMPLETE 4
157#define CMD_ERR_EXEED_ARGC_MAX 5
158#define CMD_ERR_NOTHING_TODO 6
159#define CMD_COMPLETE_FULL_MATCH 7
160#define CMD_COMPLETE_MATCH 8
161#define CMD_COMPLETE_LIST_MATCH 9
162#define CMD_SUCCESS_DAEMON 10
163
164/* Argc max counts. */
165#define CMD_ARGC_MAX 25
166
167/* Turn off these macros when uisng cpp with extract.pl */
168#ifndef VTYSH_EXTRACT_PL
169
406d6716 170/* helper defines for end-user DEFUN* macros */
171#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
718e3744 172 struct cmd_element cmdname = \
173 { \
9035efaa 174 .string = cmdstr, \
175 .func = funcname, \
406d6716 176 .doc = helpstr, \
177 .attr = attrs, \
178 .daemon = dnum, \
179 };
180
181#define DEFUN_CMD_FUNC_DECL(funcname) \
34204aac 182 static int funcname (struct cmd_element *, struct vty *, int, const char *[]);
406d6716 183
184#define DEFUN_CMD_FUNC_TEXT(funcname) \
274a4a44 185 static int funcname \
406d6716 186 (struct cmd_element *self, struct vty *vty, int argc, const char *argv[])
187
188/* DEFUN for vty command interafce. Little bit hacky ;-). */
189#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
190 DEFUN_CMD_FUNC_DECL(funcname) \
191 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
192 DEFUN_CMD_FUNC_TEXT(funcname)
193
194#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
195 DEFUN_CMD_FUNC_DECL(funcname) \
196 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
197 DEFUN_CMD_FUNC_TEXT(funcname)
198
199#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
200 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
201
202#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
2557aed1 203 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
718e3744 204
205/* DEFUN_NOSH for commands that vtysh should ignore */
206#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
207 DEFUN(funcname, cmdname, cmdstr, helpstr)
208
209/* DEFSH for vtysh. */
210#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
406d6716 211 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
718e3744 212
213/* DEFUN + DEFSH */
214#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
406d6716 215 DEFUN_CMD_FUNC_DECL(funcname) \
216 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
217 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 218
274a4a44 219/* DEFUN + DEFSH with attributes */
220#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
221 DEFUN_CMD_FUNC_DECL(funcname) \
222 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
223 DEFUN_CMD_FUNC_TEXT(funcname)
224
225#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
226 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
227
228#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
229 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
230
718e3744 231/* ALIAS macro which define existing command's alias. */
232#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
406d6716 233 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
234
235#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
274a4a44 236 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 237
238#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
239 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
240
241#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
242 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
718e3744 243
274a4a44 244#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
245 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
246
247#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
248 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
249
250#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
251 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
252
718e3744 253#endif /* VTYSH_EXTRACT_PL */
254
255/* Some macroes */
256#define CMD_OPTION(S) ((S[0]) == '[')
257#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
258#define CMD_VARARG(S) ((S[0]) == '.')
259#define CMD_RANGE(S) ((S[0] == '<'))
260
261#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
262#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
263#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
264#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
265
266/* Common descriptions. */
267#define SHOW_STR "Show running system information\n"
268#define IP_STR "IP information\n"
269#define IPV6_STR "IPv6 information\n"
270#define NO_STR "Negate a command or set its defaults\n"
271#define CLEAR_STR "Reset functions\n"
272#define RIP_STR "RIP information\n"
273#define BGP_STR "BGP information\n"
274#define OSPF_STR "OSPF information\n"
275#define NEIGHBOR_STR "Specify neighbor router\n"
276#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
277#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
278#define ROUTER_STR "Enable a routing process\n"
279#define AS_STR "AS number\n"
280#define MBGP_STR "MBGP information\n"
281#define MATCH_STR "Match values from routing table\n"
282#define SET_STR "Set values in destination routing protocol\n"
283#define OUT_STR "Filter outgoing routing updates\n"
284#define IN_STR "Filter incoming routing updates\n"
285#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
286#define OSPF6_NUMBER_STR "Specify by number\n"
287#define INTERFACE_STR "Interface infomation\n"
288#define IFNAME_STR "Interface name(e.g. ep0)\n"
289#define IP6_STR "IPv6 Information\n"
290#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
291#define OSPF6_ROUTER_STR "Enable a routing process\n"
292#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
293#define SECONDS_STR "<1-65535> Seconds\n"
294#define ROUTE_STR "Routing Table\n"
295#define PREFIX_LIST_STR "Build a prefix list\n"
296#define OSPF6_DUMP_TYPE_LIST \
297"(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
9e867fe6 298#define ISIS_STR "IS-IS information\n"
299#define AREA_TAG_STR "[area tag]\n"
718e3744 300
301#define CONF_BACKUP_EXT ".sav"
302
303/* IPv4 only machine should not accept IPv6 address for peer's IP
304 address. So we replace VTY command string like below. */
305#ifdef HAVE_IPV6
306#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
307#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
308#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
309#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
310#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
311#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
312#else
313#define NEIGHBOR_CMD "neighbor A.B.C.D "
314#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
315#define NEIGHBOR_ADDR_STR "Neighbor address\n"
316#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
317#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
318#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
319#endif /* HAVE_IPV6 */
320
321/* Prototypes. */
8cc4198f 322extern void install_node (struct cmd_node *, int (*) (struct vty *));
323extern void install_default (enum node_type);
324extern void install_element (enum node_type, struct cmd_element *);
325extern void sort_node (void);
718e3744 326
f6834d4c 327/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
328 string with a space between each element (allocated using
329 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
8cc4198f 330extern char *argv_concat (const char **argv, int argc, int shift);
331
332extern vector cmd_make_strvec (const char *);
333extern void cmd_free_strvec (vector);
334extern vector cmd_describe_command (vector, struct vty *, int *status);
335extern char **cmd_complete_command (vector, struct vty *, int *status);
336extern const char *cmd_prompt (enum node_type);
337extern int config_from_file (struct vty *, FILE *);
338extern enum node_type node_parent (enum node_type);
339extern int cmd_execute_command (vector, struct vty *, struct cmd_element **, int);
340extern int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **);
341extern void config_replace_string (struct cmd_element *, char *, ...);
342extern void cmd_init (int);
718e3744 343
344/* Export typical functions. */
345extern struct cmd_element config_end_cmd;
346extern struct cmd_element config_exit_cmd;
347extern struct cmd_element config_quit_cmd;
348extern struct cmd_element config_help_cmd;
349extern struct cmd_element config_list_cmd;
8cc4198f 350extern char *host_config_file (void);
351extern void host_config_set (char *);
6590f2c3 352
8cc4198f 353extern void print_version (const char *);
354
718e3744 355#endif /* _ZEBRA_COMMAND_H */