]> git.proxmox.com Git - mirror_frr.git/blame - lib/command.h
2004-12-07 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
[mirror_frr.git] / lib / command.h
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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;
718e3744 58};
59
60/* There are some command levels which called from command node. */
61enum node_type
62{
63 AUTH_NODE, /* Authentication mode of vty interface. */
64 VIEW_NODE, /* View node. Default mode of vty interface. */
65 AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
66 ENABLE_NODE, /* Enable node. */
67 CONFIG_NODE, /* Config node. Default mode of config file. */
e7168df4 68 SERVICE_NODE, /* Service node. */
718e3744 69 DEBUG_NODE, /* Debug node. */
70 AAA_NODE, /* AAA node. */
71 KEYCHAIN_NODE, /* Key-chain node. */
72 KEYCHAIN_KEY_NODE, /* Key-chain key node. */
73 INTERFACE_NODE, /* Interface mode node. */
74 ZEBRA_NODE, /* zebra connection node. */
75 TABLE_NODE, /* rtm_table selection node. */
76 RIP_NODE, /* RIP protocol mode node. */
77 RIPNG_NODE, /* RIPng protocol mode node. */
78 BGP_NODE, /* BGP protocol mode which includes BGP4+ */
79 BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
80 BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
81 BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
82 BGP_IPV6_NODE, /* BGP IPv6 address family */
83 OSPF_NODE, /* OSPF protocol mode */
84 OSPF6_NODE, /* OSPF protocol for IPv6 mode */
9e867fe6 85 ISIS_NODE, /* ISIS protocol mode */
718e3744 86 MASC_NODE, /* MASC for multicast. */
87 IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
88 IP_NODE, /* Static ip route node. */
89 ACCESS_NODE, /* Access list node. */
90 PREFIX_NODE, /* Prefix list node. */
91 ACCESS_IPV6_NODE, /* Access list node. */
92 PREFIX_IPV6_NODE, /* Prefix list node. */
93 AS_LIST_NODE, /* AS list node. */
94 COMMUNITY_LIST_NODE, /* Community list node. */
95 RMAP_NODE, /* Route map node. */
96 SMUX_NODE, /* SNMP configuration node. */
97 DUMP_NODE, /* Packet dump node. */
98 FORWARDING_NODE, /* IP forwarding node. */
99 VTY_NODE /* Vty node. */
100};
101
102/* Node which has some commands and prompt string and configuration
103 function pointer . */
104struct cmd_node
105{
106 /* Node index. */
107 enum node_type node;
108
109 /* Prompt character at vty interface. */
8c328f11 110 const char *prompt;
718e3744 111
112 /* Is this node's configuration goes to vtysh ? */
113 int vtysh;
114
115 /* Node's configuration write function */
116 int (*func) (struct vty *);
117
118 /* Vector of this node's command list. */
119 vector cmd_vector;
120};
121
406d6716 122enum
123{
124 CMD_ATTR_DEPRECATED,
125 CMD_ATTR_HIDDEN,
126};
127
718e3744 128/* Structure of command element. */
129struct cmd_element
130{
8c328f11 131 const char *string; /* Command specification by string. */
9035efaa 132 int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
8c328f11 133 const char *doc; /* Documentation of this command. */
718e3744 134 int daemon; /* Daemon to which this command belong. */
135 vector strvec; /* Pointing out each description vector. */
8c328f11 136 unsigned int cmdsize; /* Command index count. */
718e3744 137 char *config; /* Configuration string */
138 vector subconfig; /* Sub configuration string */
406d6716 139 u_char attr; /* Command attributes */
718e3744 140};
141
142/* Command description structure. */
143struct desc
144{
8c328f11 145 const char *cmd; /* Command string. */
146 const char *str; /* Command's description. */
718e3744 147};
148
149/* Return value of the commands. */
150#define CMD_SUCCESS 0
151#define CMD_WARNING 1
152#define CMD_ERR_NO_MATCH 2
153#define CMD_ERR_AMBIGUOUS 3
154#define CMD_ERR_INCOMPLETE 4
155#define CMD_ERR_EXEED_ARGC_MAX 5
156#define CMD_ERR_NOTHING_TODO 6
157#define CMD_COMPLETE_FULL_MATCH 7
158#define CMD_COMPLETE_MATCH 8
159#define CMD_COMPLETE_LIST_MATCH 9
160#define CMD_SUCCESS_DAEMON 10
161
162/* Argc max counts. */
163#define CMD_ARGC_MAX 25
164
165/* Turn off these macros when uisng cpp with extract.pl */
166#ifndef VTYSH_EXTRACT_PL
167
406d6716 168/* helper defines for end-user DEFUN* macros */
169#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
718e3744 170 struct cmd_element cmdname = \
171 { \
9035efaa 172 .string = cmdstr, \
173 .func = funcname, \
406d6716 174 .doc = helpstr, \
175 .attr = attrs, \
176 .daemon = dnum, \
177 };
178
179#define DEFUN_CMD_FUNC_DECL(funcname) \
274a4a44 180 static int funcname (struct cmd_element *, struct vty *, int, const char *[]); \
406d6716 181
182#define DEFUN_CMD_FUNC_TEXT(funcname) \
274a4a44 183 static int funcname \
406d6716 184 (struct cmd_element *self, struct vty *vty, int argc, const char *argv[])
185
186/* DEFUN for vty command interafce. Little bit hacky ;-). */
187#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
188 DEFUN_CMD_FUNC_DECL(funcname) \
189 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
190 DEFUN_CMD_FUNC_TEXT(funcname)
191
192#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
193 DEFUN_CMD_FUNC_DECL(funcname) \
194 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
195 DEFUN_CMD_FUNC_TEXT(funcname)
196
197#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
198 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
199
200#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
2557aed1 201 DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
718e3744 202
203/* DEFUN_NOSH for commands that vtysh should ignore */
204#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
205 DEFUN(funcname, cmdname, cmdstr, helpstr)
206
207/* DEFSH for vtysh. */
208#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
406d6716 209 DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
718e3744 210
211/* DEFUN + DEFSH */
212#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
406d6716 213 DEFUN_CMD_FUNC_DECL(funcname) \
214 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
215 DEFUN_CMD_FUNC_TEXT(funcname)
718e3744 216
274a4a44 217/* DEFUN + DEFSH with attributes */
218#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
219 DEFUN_CMD_FUNC_DECL(funcname) \
220 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
221 DEFUN_CMD_FUNC_TEXT(funcname)
222
223#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
224 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
225
226#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
227 DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
228
718e3744 229/* ALIAS macro which define existing command's alias. */
230#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
406d6716 231 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
232
233#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
274a4a44 234 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
406d6716 235
236#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
237 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
238
239#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
240 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
718e3744 241
274a4a44 242#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
243 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
244
245#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
246 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
247
248#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
249 DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
250
718e3744 251#endif /* VTYSH_EXTRACT_PL */
252
253/* Some macroes */
254#define CMD_OPTION(S) ((S[0]) == '[')
255#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
256#define CMD_VARARG(S) ((S[0]) == '.')
257#define CMD_RANGE(S) ((S[0] == '<'))
258
259#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
260#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
261#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
262#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
263
264/* Common descriptions. */
265#define SHOW_STR "Show running system information\n"
266#define IP_STR "IP information\n"
267#define IPV6_STR "IPv6 information\n"
268#define NO_STR "Negate a command or set its defaults\n"
269#define CLEAR_STR "Reset functions\n"
270#define RIP_STR "RIP information\n"
271#define BGP_STR "BGP information\n"
272#define OSPF_STR "OSPF information\n"
273#define NEIGHBOR_STR "Specify neighbor router\n"
274#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
275#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
276#define ROUTER_STR "Enable a routing process\n"
277#define AS_STR "AS number\n"
278#define MBGP_STR "MBGP information\n"
279#define MATCH_STR "Match values from routing table\n"
280#define SET_STR "Set values in destination routing protocol\n"
281#define OUT_STR "Filter outgoing routing updates\n"
282#define IN_STR "Filter incoming routing updates\n"
283#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
284#define OSPF6_NUMBER_STR "Specify by number\n"
285#define INTERFACE_STR "Interface infomation\n"
286#define IFNAME_STR "Interface name(e.g. ep0)\n"
287#define IP6_STR "IPv6 Information\n"
288#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
289#define OSPF6_ROUTER_STR "Enable a routing process\n"
290#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
291#define SECONDS_STR "<1-65535> Seconds\n"
292#define ROUTE_STR "Routing Table\n"
293#define PREFIX_LIST_STR "Build a prefix list\n"
294#define OSPF6_DUMP_TYPE_LIST \
295"(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
9e867fe6 296#define ISIS_STR "IS-IS information\n"
297#define AREA_TAG_STR "[area tag]\n"
718e3744 298
299#define CONF_BACKUP_EXT ".sav"
300
301/* IPv4 only machine should not accept IPv6 address for peer's IP
302 address. So we replace VTY command string like below. */
303#ifdef HAVE_IPV6
304#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
305#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
306#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
307#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
308#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
309#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
310#else
311#define NEIGHBOR_CMD "neighbor A.B.C.D "
312#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
313#define NEIGHBOR_ADDR_STR "Neighbor address\n"
314#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
315#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
316#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
317#endif /* HAVE_IPV6 */
318
319/* Prototypes. */
320void install_node (struct cmd_node *, int (*) (struct vty *));
321void install_default (enum node_type);
322void install_element (enum node_type, struct cmd_element *);
323void sort_node ();
324
42d49865 325char *argv_concat (const char **, int, int);
ea8e9d97 326vector cmd_make_strvec (const char *);
718e3744 327void cmd_free_strvec (vector);
328vector cmd_describe_command ();
329char **cmd_complete_command ();
8c328f11 330const char *cmd_prompt (enum node_type);
718e3744 331int config_from_file (struct vty *, FILE *);
332int cmd_execute_command (vector, struct vty *, struct cmd_element **);
333int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **);
334void config_replace_string (struct cmd_element *, char *, ...);
335void cmd_init (int);
336
337/* Export typical functions. */
338extern struct cmd_element config_end_cmd;
339extern struct cmd_element config_exit_cmd;
340extern struct cmd_element config_quit_cmd;
341extern struct cmd_element config_help_cmd;
342extern struct cmd_element config_list_cmd;
718e3744 343char *host_config_file ();
344void host_config_set (char *);
345
6590f2c3 346void print_version (const char *);
347
718e3744 348#endif /* _ZEBRA_COMMAND_H */