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