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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"
9c42a6eb 28#include "lib/route_types.h"
718e3744 29
30/* Host configuration variable */
31struct host
32{
33 /* Host name of this router. */
34 char *name;
35
36 /* Password for vty interface. */
37 char *password;
38 char *password_encrypt;
39
40 /* Enable password */
41 char *enable;
42 char *enable_encrypt;
43
44 /* System wide terminal lines. */
45 int lines;
46
47 /* Log filename. */
48 char *logfile;
49
718e3744 50 /* config file name of this host */
51 char *config;
52
53 /* Flags for services */
54 int advanced;
55 int encrypt;
56
57 /* Banner configuration. */
8c328f11 58 const char *motd;
3b0c5d9a 59 char *motdfile;
718e3744 60};
61
62/* There are some command levels which called from command node. */
63enum node_type
64{
65 AUTH_NODE, /* Authentication mode of vty interface. */
66 VIEW_NODE, /* View node. Default mode of vty interface. */
67 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
68 ENABLE_NODE, /* Enable node. */
69 CONFIG_NODE, /* Config node. Default mode of config file. */
e7168df4 70 SERVICE_NODE, /* Service node. */
718e3744 71 DEBUG_NODE, /* Debug node. */
72 AAA_NODE, /* AAA node. */
73 KEYCHAIN_NODE, /* Key-chain node. */
74 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
75 INTERFACE_NODE, /* Interface mode node. */
76 ZEBRA_NODE, /* zebra connection node. */
77 TABLE_NODE, /* rtm_table selection node. */
78 RIP_NODE, /* RIP protocol mode node. */
79 RIPNG_NODE, /* RIPng protocol mode node. */
80 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
81 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
82 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
83 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
84 BGP_IPV6_NODE, /* BGP IPv6 address family */
1e836590 85 BGP_IPV6M_NODE, /* BGP IPv6 multicast address family. */
718e3744 86 OSPF_NODE, /* OSPF protocol mode */
87 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
9e867fe6 88 ISIS_NODE, /* ISIS protocol mode */
718e3744 89 MASC_NODE, /* MASC for multicast. */
90 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
91 IP_NODE, /* Static ip route node. */
92 ACCESS_NODE, /* Access list node. */
93 PREFIX_NODE, /* Prefix list node. */
94 ACCESS_IPV6_NODE, /* Access list node. */
95 PREFIX_IPV6_NODE, /* Prefix list node. */
96 AS_LIST_NODE, /* AS list node. */
97 COMMUNITY_LIST_NODE, /* Community list node. */
98 RMAP_NODE, /* Route map node. */
99 SMUX_NODE, /* SNMP configuration node. */
100 DUMP_NODE, /* Packet dump node. */
101 FORWARDING_NODE, /* IP forwarding node. */
102 VTY_NODE /* Vty node. */
103};
104
105/* Node which has some commands and prompt string and configuration
106 function pointer . */
107struct cmd_node
108{
109 /* Node index. */
110 enum node_type node;
111
112 /* Prompt character at vty interface. */
8c328f11 113 const char *prompt;
718e3744 114
115 /* Is this node's configuration goes to vtysh ? */
116 int vtysh;
117
118 /* Node's configuration write function */
119 int (*func) (struct vty *);
120
121 /* Vector of this node's command list. */
122 vector cmd_vector;
123};
124
406d6716 125enum
126{
9c5d8562 127 CMD_ATTR_DEPRECATED = 1,
406d6716 128 CMD_ATTR_HIDDEN,
129};
130
718e3744 131/* Structure of command element. */
132struct cmd_element
133{
8c328f11 134 const char *string; /* Command specification by string. */
9035efaa 135 int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
8c328f11 136 const char *doc; /* Documentation of this command. */
718e3744 137 int daemon; /* Daemon to which this command belong. */
138 vector strvec; /* Pointing out each description vector. */
8c328f11 139 unsigned int cmdsize; /* Command index count. */
718e3744 140 char *config; /* Configuration string */
141 vector subconfig; /* Sub configuration string */
406d6716 142 u_char attr; /* Command attributes */
718e3744 143};
144
145/* Command description structure. */
146struct desc
147{
8c328f11 148 const char *cmd; /* Command string. */
149 const char *str; /* Command's description. */
718e3744 150};
151
152/* Return value of the commands. */
153#define CMD_SUCCESS 0
154#define CMD_WARNING 1
155#define CMD_ERR_NO_MATCH 2
156#define CMD_ERR_AMBIGUOUS 3
157#define CMD_ERR_INCOMPLETE 4
158#define CMD_ERR_EXEED_ARGC_MAX 5
159#define CMD_ERR_NOTHING_TODO 6
160#define CMD_COMPLETE_FULL_MATCH 7
161#define CMD_COMPLETE_MATCH 8
162#define CMD_COMPLETE_LIST_MATCH 9
163#define CMD_SUCCESS_DAEMON 10
164
165/* Argc max counts. */
166#define CMD_ARGC_MAX 25
167
168/* Turn off these macros when uisng cpp with extract.pl */
169#ifndef VTYSH_EXTRACT_PL
170
406d6716 171/* helper defines for end-user DEFUN* macros */
172#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
718e3744 173 struct cmd_element cmdname = \
174 { \
9035efaa 175 .string = cmdstr, \
176 .func = funcname, \
406d6716 177 .doc = helpstr, \
178 .attr = attrs, \
179 .daemon = dnum, \
180 };
181
182#define DEFUN_CMD_FUNC_DECL(funcname) \
34204aac 183 static int funcname (struct cmd_element *, struct vty *, int, const char *[]);
406d6716 184
185#define DEFUN_CMD_FUNC_TEXT(funcname) \
274a4a44 186 static int funcname \
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187 (struct cmd_element *self __attribute__ ((unused)), \
188 struct vty *vty __attribute__ ((unused)), \
189 int argc __attribute__ ((unused)), \
190 const char *argv[] __attribute__ ((unused)) )
406d6716 191
192/* DEFUN for vty command interafce. Little bit hacky ;-). */
193#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
194 DEFUN_CMD_FUNC_DECL(funcname) \
195 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
196 DEFUN_CMD_FUNC_TEXT(funcname)
197
198#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
199 DEFUN_CMD_FUNC_DECL(funcname) \
200 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
201 DEFUN_CMD_FUNC_TEXT(funcname)
202
203#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
204 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
205
206#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
2557aed1 207 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
718e3744 208
209/* DEFUN_NOSH for commands that vtysh should ignore */
210#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
211 DEFUN(funcname, cmdname, cmdstr, helpstr)
212
213/* DEFSH for vtysh. */
214#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
406d6716 215 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
718e3744 216
217/* DEFUN + DEFSH */
218#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
406d6716 219 DEFUN_CMD_FUNC_DECL(funcname) \
220 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
221 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 222
274a4a44 223/* DEFUN + DEFSH with attributes */
224#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
225 DEFUN_CMD_FUNC_DECL(funcname) \
226 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
227 DEFUN_CMD_FUNC_TEXT(funcname)
228
229#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
230 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
231
232#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
233 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
234
718e3744 235/* ALIAS macro which define existing command's alias. */
236#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
406d6716 237 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
238
239#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
274a4a44 240 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 241
242#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
243 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
244
245#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
246 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
718e3744 247
274a4a44 248#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
249 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
250
251#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
252 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
253
254#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
255 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
256
718e3744 257#endif /* VTYSH_EXTRACT_PL */
258
259/* Some macroes */
260#define CMD_OPTION(S) ((S[0]) == '[')
261#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
262#define CMD_VARARG(S) ((S[0]) == '.')
263#define CMD_RANGE(S) ((S[0] == '<'))
264
265#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
266#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
267#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
268#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
269
270/* Common descriptions. */
271#define SHOW_STR "Show running system information\n"
272#define IP_STR "IP information\n"
273#define IPV6_STR "IPv6 information\n"
274#define NO_STR "Negate a command or set its defaults\n"
9c42a6eb 275#define REDIST_STR "Redistribute information from another routing protocol\n"
718e3744 276#define CLEAR_STR "Reset functions\n"
277#define RIP_STR "RIP information\n"
278#define BGP_STR "BGP information\n"
279#define OSPF_STR "OSPF information\n"
280#define NEIGHBOR_STR "Specify neighbor router\n"
281#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
282#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
283#define ROUTER_STR "Enable a routing process\n"
284#define AS_STR "AS number\n"
285#define MBGP_STR "MBGP information\n"
286#define MATCH_STR "Match values from routing table\n"
287#define SET_STR "Set values in destination routing protocol\n"
288#define OUT_STR "Filter outgoing routing updates\n"
289#define IN_STR "Filter incoming routing updates\n"
290#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
291#define OSPF6_NUMBER_STR "Specify by number\n"
292#define INTERFACE_STR "Interface infomation\n"
293#define IFNAME_STR "Interface name(e.g. ep0)\n"
294#define IP6_STR "IPv6 Information\n"
295#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
296#define OSPF6_ROUTER_STR "Enable a routing process\n"
297#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
298#define SECONDS_STR "<1-65535> Seconds\n"
299#define ROUTE_STR "Routing Table\n"
300#define PREFIX_LIST_STR "Build a prefix list\n"
301#define OSPF6_DUMP_TYPE_LIST \
302"(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
9e867fe6 303#define ISIS_STR "IS-IS information\n"
304#define AREA_TAG_STR "[area tag]\n"
718e3744 305
306#define CONF_BACKUP_EXT ".sav"
307
308/* IPv4 only machine should not accept IPv6 address for peer's IP
309 address. So we replace VTY command string like below. */
310#ifdef HAVE_IPV6
311#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
312#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
313#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
314#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
315#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
316#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
317#else
318#define NEIGHBOR_CMD "neighbor A.B.C.D "
319#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
320#define NEIGHBOR_ADDR_STR "Neighbor address\n"
321#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
322#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
323#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
324#endif /* HAVE_IPV6 */
325
326/* Prototypes. */
8cc4198f 327extern void install_node (struct cmd_node *, int (*) (struct vty *));
328extern void install_default (enum node_type);
329extern void install_element (enum node_type, struct cmd_element *);
330extern void sort_node (void);
718e3744 331
f6834d4c 332/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
333 string with a space between each element (allocated using
334 XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
8cc4198f 335extern char *argv_concat (const char **argv, int argc, int shift);
336
337extern vector cmd_make_strvec (const char *);
338extern void cmd_free_strvec (vector);
339extern vector cmd_describe_command (vector, struct vty *, int *status);
340extern char **cmd_complete_command (vector, struct vty *, int *status);
341extern const char *cmd_prompt (enum node_type);
342extern int config_from_file (struct vty *, FILE *);
343extern enum node_type node_parent (enum node_type);
344extern int cmd_execute_command (vector, struct vty *, struct cmd_element **, int);
345extern int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **);
346extern void config_replace_string (struct cmd_element *, char *, ...);
347extern void cmd_init (int);
718e3744 348
349/* Export typical functions. */
350extern struct cmd_element config_end_cmd;
351extern struct cmd_element config_exit_cmd;
352extern struct cmd_element config_quit_cmd;
353extern struct cmd_element config_help_cmd;
354extern struct cmd_element config_list_cmd;
8cc4198f 355extern char *host_config_file (void);
356extern void host_config_set (char *);
6590f2c3 357
8cc4198f 358extern void print_version (const char *);
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359
360/* struct host global, ick */
361extern struct host host;
718e3744 362#endif /* _ZEBRA_COMMAND_H */