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718e3744 | 1 | /* Configuration generator. |
2 | Copyright (C) 2000 Kunihiro Ishiguro | |
3 | ||
4 | This file is part of GNU Zebra. | |
5 | ||
6 | GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by the | |
8 | Free Software Foundation; either version 2, or (at your option) any | |
9 | later version. | |
10 | ||
11 | GNU Zebra is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "command.h" | |
24 | #include "linklist.h" | |
25 | #include "memory.h" | |
26 | ||
27 | #include "vtysh/vtysh.h" | |
88177fe3 | 28 | #include "vtysh/vtysh_user.h" |
718e3744 | 29 | |
4a1ab8e4 DL |
30 | DEFINE_MGROUP(MVTYSH, "vtysh") |
31 | DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG, "Vtysh configuration") | |
32 | DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG_LINE, "Vtysh configuration line") | |
33 | ||
718e3744 | 34 | vector configvec; |
35 | ||
36 | struct config | |
37 | { | |
38 | /* Configuration node name. */ | |
39 | char *name; | |
40 | ||
41 | /* Configuration string line. */ | |
42 | struct list *line; | |
43 | ||
44 | /* Configuration can be nest. */ | |
45 | struct config *config; | |
46 | ||
47 | /* Index of this config. */ | |
48 | u_int32_t index; | |
49 | }; | |
50 | ||
51 | struct list *config_top; | |
95e735b5 | 52 | |
4201dd11 | 53 | static int |
718e3744 | 54 | line_cmp (char *c1, char *c2) |
55 | { | |
56 | return strcmp (c1, c2); | |
57 | } | |
58 | ||
4201dd11 | 59 | static void |
718e3744 | 60 | line_del (char *line) |
61 | { | |
62 | XFREE (MTYPE_VTYSH_CONFIG_LINE, line); | |
63 | } | |
64 | ||
4201dd11 | 65 | static struct config * |
35dece84 | 66 | config_new (void) |
718e3744 | 67 | { |
68 | struct config *config; | |
69 | config = XCALLOC (MTYPE_VTYSH_CONFIG, sizeof (struct config)); | |
70 | return config; | |
71 | } | |
72 | ||
4201dd11 | 73 | static int |
718e3744 | 74 | config_cmp (struct config *c1, struct config *c2) |
75 | { | |
76 | return strcmp (c1->name, c2->name); | |
77 | } | |
78 | ||
4201dd11 | 79 | static void |
718e3744 | 80 | config_del (struct config* config) |
81 | { | |
82 | list_delete (config->line); | |
83 | if (config->name) | |
84 | XFREE (MTYPE_VTYSH_CONFIG_LINE, config->name); | |
85 | XFREE (MTYPE_VTYSH_CONFIG, config); | |
86 | } | |
87 | ||
4201dd11 | 88 | static struct config * |
dda09522 | 89 | config_get (int index, const char *line) |
718e3744 | 90 | { |
91 | struct config *config; | |
92 | struct config *config_loop; | |
93 | struct list *master; | |
1eb8ef25 | 94 | struct listnode *node, *nnode; |
718e3744 | 95 | |
96 | config = config_loop = NULL; | |
97 | ||
98 | master = vector_lookup_ensure (configvec, index); | |
99 | ||
100 | if (! master) | |
101 | { | |
102 | master = list_new (); | |
103 | master->del = (void (*) (void *))config_del; | |
104 | master->cmp = (int (*)(void *, void *)) config_cmp; | |
105 | vector_set_index (configvec, index, master); | |
106 | } | |
107 | ||
1eb8ef25 | 108 | for (ALL_LIST_ELEMENTS (master, node, nnode, config_loop)) |
718e3744 | 109 | { |
110 | if (strcmp (config_loop->name, line) == 0) | |
111 | config = config_loop; | |
112 | } | |
113 | ||
114 | if (! config) | |
115 | { | |
116 | config = config_new (); | |
117 | config->line = list_new (); | |
118 | config->line->del = (void (*) (void *))line_del; | |
119 | config->line->cmp = (int (*)(void *, void *)) line_cmp; | |
120 | config->name = XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line); | |
121 | config->index = index; | |
122 | listnode_add (master, config); | |
123 | } | |
124 | return config; | |
125 | } | |
126 | ||
127 | void | |
dda09522 | 128 | config_add_line (struct list *config, const char *line) |
718e3744 | 129 | { |
130 | listnode_add (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line)); | |
131 | } | |
132 | ||
4201dd11 | 133 | static void |
dda09522 | 134 | config_add_line_uniq (struct list *config, const char *line) |
718e3744 | 135 | { |
1eb8ef25 | 136 | struct listnode *node, *nnode; |
718e3744 | 137 | char *pnt; |
138 | ||
1eb8ef25 | 139 | for (ALL_LIST_ELEMENTS (config, node, nnode, pnt)) |
718e3744 | 140 | { |
141 | if (strcmp (pnt, line) == 0) | |
142 | return; | |
143 | } | |
144 | listnode_add_sort (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line)); | |
145 | } | |
146 | ||
4201dd11 | 147 | static void |
dda09522 | 148 | vtysh_config_parse_line (const char *line) |
718e3744 | 149 | { |
150 | char c; | |
151 | static struct config *config = NULL; | |
152 | ||
153 | if (! line) | |
154 | return; | |
155 | ||
156 | c = line[0]; | |
157 | ||
158 | if (c == '\0') | |
159 | return; | |
160 | ||
161 | /* printf ("[%s]\n", line); */ | |
162 | ||
163 | switch (c) | |
164 | { | |
0b960b4d DW |
165 | /* Suppress exclamation points ! and commented lines. The !s are generated |
166 | * dynamically in vtysh_config_dump() */ | |
718e3744 | 167 | case '!': |
168 | case '#': | |
169 | break; | |
170 | case ' ': | |
171 | /* Store line to current configuration. */ | |
172 | if (config) | |
173 | { | |
65efcfce LB |
174 | if (strncmp (line, " address-family vpnv4", |
175 | strlen (" address-family vpnv4")) == 0) | |
176 | config = config_get (BGP_VPNV4_NODE, line); | |
177 | else if (strncmp (line, " address-family vpn6", | |
178 | strlen (" address-family vpn6")) == 0) | |
179 | config = config_get (BGP_VPNV6_NODE, line); | |
180 | else if (strncmp (line, " address-family encapv6", | |
181 | strlen (" address-family encapv6")) == 0) | |
182 | config = config_get (BGP_ENCAPV6_NODE, line); | |
183 | else if (strncmp (line, " address-family encap", | |
184 | strlen (" address-family encap")) == 0) | |
185 | config = config_get (BGP_ENCAP_NODE, line); | |
186 | else if (strncmp (line, " address-family ipv4 multicast", | |
187 | strlen (" address-family ipv4 multicast")) == 0) | |
188 | config = config_get (BGP_IPV4M_NODE, line); | |
189 | else if (strncmp (line, " address-family ipv6", | |
190 | strlen (" address-family ipv6")) == 0) | |
191 | config = config_get (BGP_IPV6_NODE, line); | |
192 | else if (strncmp (line, " vnc defaults", | |
193 | strlen (" vnc defaults")) == 0) | |
194 | config = config_get (BGP_VNC_DEFAULTS_NODE, line); | |
195 | else if (strncmp (line, " vnc nve-group", | |
196 | strlen (" vnc nve-group")) == 0) | |
197 | config = config_get (BGP_VNC_NVE_GROUP_NODE, line); | |
198 | else if (strncmp (line, " vnc l2-group", | |
199 | strlen (" vnc l2-group")) == 0) | |
200 | config = config_get (BGP_VNC_L2_GROUP_NODE, line); | |
201 | else if (config->index == RMAP_NODE || | |
e7168df4 | 202 | config->index == INTERFACE_NODE || |
13460c44 | 203 | config->index == NS_NODE || |
e7168df4 | 204 | config->index == VTY_NODE) |
718e3744 | 205 | config_add_line_uniq (config->line, line); |
206 | else | |
207 | config_add_line (config->line, line); | |
208 | } | |
209 | else | |
210 | config_add_line (config_top, line); | |
211 | break; | |
212 | default: | |
213 | if (strncmp (line, "interface", strlen ("interface")) == 0) | |
214 | config = config_get (INTERFACE_NODE, line); | |
c253dcb5 | 215 | else if (strncmp (line, "logical-router", strlen ("ns")) == 0) |
13460c44 | 216 | config = config_get (NS_NODE, line); |
e9d94ea7 DS |
217 | else if (strncmp (line, "vrf", strlen ("vrf")) == 0) |
218 | config = config_get (VRF_NODE, line); | |
dfbb9124 | 219 | else if (strncmp (line, "router-id", strlen ("router-id")) == 0) |
220 | config = config_get (ZEBRA_NODE, line); | |
718e3744 | 221 | else if (strncmp (line, "router rip", strlen ("router rip")) == 0) |
222 | config = config_get (RIP_NODE, line); | |
97e1c4dc | 223 | else if (strncmp (line, "router ripng", strlen ("router ripng")) == 0) |
b094d260 | 224 | config = config_get (RIPNG_NODE, line); |
718e3744 | 225 | else if (strncmp (line, "router ospf", strlen ("router ospf")) == 0) |
b094d260 | 226 | config = config_get (OSPF_NODE, line); |
97e1c4dc | 227 | else if (strncmp (line, "router ospf6", strlen ("router ospf6")) == 0) |
b094d260 | 228 | config = config_get (OSPF6_NODE, line); |
4fcbf6e2 RW |
229 | else if (strncmp (line, "mpls ldp", strlen ("mpls ldp")) == 0) |
230 | config = config_get (LDP_NODE, line); | |
231 | else if (strncmp (line, "l2vpn", strlen ("l2vpn")) == 0) | |
232 | config = config_get (LDP_L2VPN_NODE, line); | |
718e3744 | 233 | else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0) |
234 | config = config_get (BGP_NODE, line); | |
13b8baad | 235 | else if (strncmp (line, "router isis", strlen ("router isis")) == 0) |
c25e458a | 236 | config = config_get (ISIS_NODE, line); |
718e3744 | 237 | else if (strncmp (line, "route-map", strlen ("route-map")) == 0) |
238 | config = config_get (RMAP_NODE, line); | |
239 | else if (strncmp (line, "access-list", strlen ("access-list")) == 0) | |
240 | config = config_get (ACCESS_NODE, line); | |
95e735b5 | 241 | else if (strncmp (line, "ipv6 access-list", |
242 | strlen ("ipv6 access-list")) == 0) | |
b094d260 | 243 | config = config_get (ACCESS_IPV6_NODE, line); |
95e735b5 | 244 | else if (strncmp (line, "ip prefix-list", |
245 | strlen ("ip prefix-list")) == 0) | |
718e3744 | 246 | config = config_get (PREFIX_NODE, line); |
95e735b5 | 247 | else if (strncmp (line, "ipv6 prefix-list", |
248 | strlen ("ipv6 prefix-list")) == 0) | |
b094d260 | 249 | config = config_get (PREFIX_IPV6_NODE, line); |
95e735b5 | 250 | else if (strncmp (line, "ip as-path access-list", |
251 | strlen ("ip as-path access-list")) == 0) | |
718e3744 | 252 | config = config_get (AS_LIST_NODE, line); |
eb2674af DW |
253 | else if (strncmp (line, "ip community-list", strlen ("ip community-list")) == 0 || |
254 | strncmp (line, "ip extcommunity-list", strlen ("ip extcommunity-list")) == 0) | |
718e3744 | 255 | config = config_get (COMMUNITY_LIST_NODE, line); |
256 | else if (strncmp (line, "ip route", strlen ("ip route")) == 0) | |
257 | config = config_get (IP_NODE, line); | |
97e1c4dc | 258 | else if (strncmp (line, "ipv6 route", strlen ("ipv6 route")) == 0) |
259 | config = config_get (IP_NODE, line); | |
718e3744 | 260 | else if (strncmp (line, "key", strlen ("key")) == 0) |
261 | config = config_get (KEYCHAIN_NODE, line); | |
e7168df4 | 262 | else if (strncmp (line, "line", strlen ("line")) == 0) |
263 | config = config_get (VTY_NODE, line); | |
264 | else if ( (strncmp (line, "ipv6 forwarding", | |
265 | strlen ("ipv6 forwarding")) == 0) | |
266 | || (strncmp (line, "ip forwarding", | |
267 | strlen ("ip forwarding")) == 0) ) | |
268 | config = config_get (FORWARDING_NODE, line); | |
269 | else if (strncmp (line, "service", strlen ("service")) == 0) | |
270 | config = config_get (SERVICE_NODE, line); | |
19dc275e DS |
271 | else if (strncmp (line, "debug vrf", strlen ("debug vrf")) == 0) |
272 | config = config_get (VRF_DEBUG_NODE, line); | |
dfbb9124 | 273 | else if (strncmp (line, "debug", strlen ("debug")) == 0) |
274 | config = config_get (DEBUG_NODE, line); | |
060d438c | 275 | else if (strncmp (line, "password", strlen ("password")) == 0 |
276 | || strncmp (line, "enable password", | |
277 | strlen ("enable password")) == 0) | |
278 | config = config_get (AAA_NODE, line); | |
6e79f8bb CC |
279 | else if (strncmp (line, "ip protocol", strlen ("ip protocol")) == 0) |
280 | config = config_get (PROTOCOL_NODE, line); | |
80b55c57 | 281 | else if (strncmp (line, "ipv6 protocol", strlen ("ipv6 protocol")) == 0) |
282 | config = config_get (PROTOCOL_NODE, line); | |
283 | else if (strncmp (line, "ip nht", strlen ("ip nht")) == 0) | |
284 | config = config_get (PROTOCOL_NODE, line); | |
285 | else if (strncmp (line, "ipv6 nht", strlen ("ipv6 nht")) == 0) | |
286 | config = config_get (PROTOCOL_NODE, line); | |
7758e3f3 | 287 | else if (strncmp (line, "mpls", strlen ("mpls")) == 0) |
288 | config = config_get (MPLS_NODE, line); | |
718e3744 | 289 | else |
290 | { | |
291 | if (strncmp (line, "log", strlen ("log")) == 0 | |
292 | || strncmp (line, "hostname", strlen ("hostname")) == 0 | |
e7168df4 | 293 | ) |
718e3744 | 294 | config_add_line_uniq (config_top, line); |
295 | else | |
296 | config_add_line (config_top, line); | |
297 | config = NULL; | |
298 | } | |
299 | break; | |
300 | } | |
301 | } | |
302 | ||
303 | void | |
304 | vtysh_config_parse (char *line) | |
305 | { | |
306 | char *begin; | |
307 | char *pnt; | |
308 | ||
309 | begin = pnt = line; | |
310 | ||
311 | while (*pnt != '\0') | |
312 | { | |
313 | if (*pnt == '\n') | |
314 | { | |
315 | *pnt++ = '\0'; | |
316 | vtysh_config_parse_line (begin); | |
317 | begin = pnt; | |
318 | } | |
319 | else | |
320 | { | |
321 | pnt++; | |
322 | } | |
323 | } | |
324 | } | |
325 | ||
326 | /* Macro to check delimiter is needed between each configuration line | |
95e735b5 | 327 | * or not. */ |
718e3744 | 328 | #define NO_DELIMITER(I) \ |
329 | ((I) == ACCESS_NODE || (I) == PREFIX_NODE || (I) == IP_NODE \ | |
97e1c4dc | 330 | || (I) == AS_LIST_NODE || (I) == COMMUNITY_LIST_NODE || \ |
e7168df4 | 331 | (I) == ACCESS_IPV6_NODE || (I) == PREFIX_IPV6_NODE \ |
060d438c | 332 | || (I) == SERVICE_NODE || (I) == FORWARDING_NODE || (I) == DEBUG_NODE \ |
7758e3f3 | 333 | || (I) == AAA_NODE || (I) == VRF_DEBUG_NODE || (I) == MPLS_NODE) |
718e3744 | 334 | |
95e735b5 | 335 | /* Display configuration to file pointer. */ |
718e3744 | 336 | void |
337 | vtysh_config_dump (FILE *fp) | |
338 | { | |
1eb8ef25 | 339 | struct listnode *node, *nnode; |
340 | struct listnode *mnode, *mnnode; | |
718e3744 | 341 | struct config *config; |
342 | struct list *master; | |
343 | char *line; | |
dda09522 | 344 | unsigned int i; |
718e3744 | 345 | |
1eb8ef25 | 346 | for (ALL_LIST_ELEMENTS (config_top, node, nnode, line)) |
718e3744 | 347 | { |
348 | fprintf (fp, "%s\n", line); | |
349 | fflush (fp); | |
350 | } | |
351 | fprintf (fp, "!\n"); | |
352 | fflush (fp); | |
353 | ||
55468c86 | 354 | for (i = 0; i < vector_active (configvec); i++) |
718e3744 | 355 | if ((master = vector_slot (configvec, i)) != NULL) |
356 | { | |
1eb8ef25 | 357 | for (ALL_LIST_ELEMENTS (master, node, nnode, config)) |
5be7afc8 DD |
358 | { |
359 | /* Don't print empty sections for interface/vrf. Route maps on the | |
360 | * other hand could have a legitimate empty section at the end. | |
361 | */ | |
362 | if ((config->index == INTERFACE_NODE || (config->index == VRF_NODE)) | |
363 | && list_isempty (config->line)) | |
364 | continue; | |
365 | ||
718e3744 | 366 | fprintf (fp, "%s\n", config->name); |
b094d260 | 367 | fflush (fp); |
718e3744 | 368 | |
1eb8ef25 | 369 | for (ALL_LIST_ELEMENTS (config->line, mnode, mnnode, line)) |
718e3744 | 370 | { |
371 | fprintf (fp, "%s\n", line); | |
372 | fflush (fp); | |
373 | } | |
374 | if (! NO_DELIMITER (i)) | |
375 | { | |
376 | fprintf (fp, "!\n"); | |
377 | fflush (fp); | |
378 | } | |
379 | } | |
380 | if (NO_DELIMITER (i)) | |
381 | { | |
382 | fprintf (fp, "!\n"); | |
383 | fflush (fp); | |
384 | } | |
385 | } | |
386 | ||
55468c86 | 387 | for (i = 0; i < vector_active (configvec); i++) |
718e3744 | 388 | if ((master = vector_slot (configvec, i)) != NULL) |
389 | { | |
390 | list_delete (master); | |
391 | vector_slot (configvec, i) = NULL; | |
392 | } | |
393 | list_delete_all_node (config_top); | |
394 | } | |
395 | ||
396 | /* Read up configuration file from file_name. */ | |
3221dca8 | 397 | static int |
718e3744 | 398 | vtysh_read_file (FILE *confp) |
399 | { | |
718e3744 | 400 | struct vty *vty; |
3221dca8 | 401 | int ret; |
718e3744 | 402 | |
403 | vty = vty_new (); | |
404 | vty->fd = 0; /* stdout */ | |
405 | vty->type = VTY_TERM; | |
406 | vty->node = CONFIG_NODE; | |
407 | ||
408 | vtysh_execute_no_pager ("enable"); | |
409 | vtysh_execute_no_pager ("configure terminal"); | |
410 | ||
95e735b5 | 411 | /* Execute configuration file. */ |
3221dca8 | 412 | ret = vtysh_config_from_file (vty, confp); |
718e3744 | 413 | |
414 | vtysh_execute_no_pager ("end"); | |
415 | vtysh_execute_no_pager ("disable"); | |
416 | ||
417 | vty_close (vty); | |
3221dca8 DS |
418 | |
419 | return (ret); | |
718e3744 | 420 | } |
421 | ||
e7168df4 | 422 | /* Read up configuration file from config_default_dir. */ |
423 | int | |
c0e8c16f | 424 | vtysh_read_config (const char *config_default_dir) |
718e3744 | 425 | { |
718e3744 | 426 | FILE *confp = NULL; |
3221dca8 | 427 | int ret; |
718e3744 | 428 | |
e4421165 | 429 | host_config_set (config_default_dir); |
e7168df4 | 430 | confp = fopen (config_default_dir, "r"); |
431 | if (confp == NULL) | |
1db63918 DS |
432 | { |
433 | fprintf (stderr, "%% Can't open configuration file %s due to '%s'.\n", | |
434 | config_default_dir, safe_strerror (errno)); | |
435 | return (CMD_ERR_NO_FILE); | |
436 | } | |
67e29abc | 437 | |
3221dca8 | 438 | ret = vtysh_read_file (confp); |
718e3744 | 439 | fclose (confp); |
440 | ||
3221dca8 | 441 | return (ret); |
718e3744 | 442 | } |
443 | ||
e7168df4 | 444 | /* We don't write vtysh specific into file from vtysh. vtysh.conf should |
445 | * be edited by hand. So, we handle only "write terminal" case here and | |
446 | * integrate vtysh specific conf with conf from daemons. | |
447 | */ | |
718e3744 | 448 | void |
e7168df4 | 449 | vtysh_config_write () |
718e3744 | 450 | { |
dda09522 | 451 | char line[81]; |
718e3744 | 452 | extern struct host host; |
453 | ||
454 | if (host.name) | |
e7168df4 | 455 | { |
456 | sprintf (line, "hostname %s", host.name); | |
457 | vtysh_config_parse_line(line); | |
458 | } | |
039eaca3 | 459 | if (vtysh_write_integrated == WRITE_INTEGRATED_NO) |
f013eacd | 460 | vtysh_config_parse_line ("no service integrated-vtysh-config"); |
039eaca3 CF |
461 | if (vtysh_write_integrated == WRITE_INTEGRATED_YES) |
462 | vtysh_config_parse_line ("service integrated-vtysh-config"); | |
a7222276 DS |
463 | |
464 | user_config_write (); | |
718e3744 | 465 | } |
466 | ||
467 | void | |
468 | vtysh_config_init () | |
469 | { | |
470 | config_top = list_new (); | |
471 | config_top->del = (void (*) (void *))line_del; | |
472 | configvec = vector_init (1); | |
473 | } |