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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 */ | |
30 | struct 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. */ | |
62 | enum 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 . */ | |
106 | struct 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 | 124 | enum |
125 | { | |
9c5d8562 | 126 | CMD_ATTR_DEPRECATED = 1, |
406d6716 | 127 | CMD_ATTR_HIDDEN, |
128 | }; | |
129 | ||
718e3744 | 130 | /* Structure of command element. */ |
131 | struct 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. */ | |
145 | struct 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 | 322 | extern void install_node (struct cmd_node *, int (*) (struct vty *)); |
323 | extern void install_default (enum node_type); | |
324 | extern void install_element (enum node_type, struct cmd_element *); | |
325 | extern 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 | 330 | extern char *argv_concat (const char **argv, int argc, int shift); |
331 | ||
332 | extern vector cmd_make_strvec (const char *); | |
333 | extern void cmd_free_strvec (vector); | |
334 | extern vector cmd_describe_command (vector, struct vty *, int *status); | |
335 | extern char **cmd_complete_command (vector, struct vty *, int *status); | |
336 | extern const char *cmd_prompt (enum node_type); | |
337 | extern int config_from_file (struct vty *, FILE *); | |
338 | extern enum node_type node_parent (enum node_type); | |
339 | extern int cmd_execute_command (vector, struct vty *, struct cmd_element **, int); | |
340 | extern int cmd_execute_command_strict (vector, struct vty *, struct cmd_element **); | |
341 | extern void config_replace_string (struct cmd_element *, char *, ...); | |
342 | extern void cmd_init (int); | |
718e3744 | 343 | |
344 | /* Export typical functions. */ | |
345 | extern struct cmd_element config_end_cmd; | |
346 | extern struct cmd_element config_exit_cmd; | |
347 | extern struct cmd_element config_quit_cmd; | |
348 | extern struct cmd_element config_help_cmd; | |
349 | extern struct cmd_element config_list_cmd; | |
8cc4198f | 350 | extern char *host_config_file (void); |
351 | extern void host_config_set (char *); | |
6590f2c3 | 352 | |
8cc4198f | 353 | extern void print_version (const char *); |
354 | ||
718e3744 | 355 | #endif /* _ZEBRA_COMMAND_H */ |