Annotation of embedaddon/quagga/vtysh/vtysh_config.c, revision 1.1.1.1
1.1 misho 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"
28:
29: vector configvec;
30:
31: extern int vtysh_writeconfig_integrated;
32:
33: struct config
34: {
35: /* Configuration node name. */
36: char *name;
37:
38: /* Configuration string line. */
39: struct list *line;
40:
41: /* Configuration can be nest. */
42: struct config *config;
43:
44: /* Index of this config. */
45: u_int32_t index;
46: };
47:
48: struct list *config_top;
49:
50: int
51: line_cmp (char *c1, char *c2)
52: {
53: return strcmp (c1, c2);
54: }
55:
56: void
57: line_del (char *line)
58: {
59: XFREE (MTYPE_VTYSH_CONFIG_LINE, line);
60: }
61:
62: struct config *
63: config_new ()
64: {
65: struct config *config;
66: config = XCALLOC (MTYPE_VTYSH_CONFIG, sizeof (struct config));
67: return config;
68: }
69:
70: int
71: config_cmp (struct config *c1, struct config *c2)
72: {
73: return strcmp (c1->name, c2->name);
74: }
75:
76: void
77: config_del (struct config* config)
78: {
79: list_delete (config->line);
80: if (config->name)
81: XFREE (MTYPE_VTYSH_CONFIG_LINE, config->name);
82: XFREE (MTYPE_VTYSH_CONFIG, config);
83: }
84:
85: struct config *
86: config_get (int index, const char *line)
87: {
88: struct config *config;
89: struct config *config_loop;
90: struct list *master;
91: struct listnode *node, *nnode;
92:
93: config = config_loop = NULL;
94:
95: master = vector_lookup_ensure (configvec, index);
96:
97: if (! master)
98: {
99: master = list_new ();
100: master->del = (void (*) (void *))config_del;
101: master->cmp = (int (*)(void *, void *)) config_cmp;
102: vector_set_index (configvec, index, master);
103: }
104:
105: for (ALL_LIST_ELEMENTS (master, node, nnode, config_loop))
106: {
107: if (strcmp (config_loop->name, line) == 0)
108: config = config_loop;
109: }
110:
111: if (! config)
112: {
113: config = config_new ();
114: config->line = list_new ();
115: config->line->del = (void (*) (void *))line_del;
116: config->line->cmp = (int (*)(void *, void *)) line_cmp;
117: config->name = XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line);
118: config->index = index;
119: listnode_add (master, config);
120: }
121: return config;
122: }
123:
124: void
125: config_add_line (struct list *config, const char *line)
126: {
127: listnode_add (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
128: }
129:
130: void
131: config_add_line_uniq (struct list *config, const char *line)
132: {
133: struct listnode *node, *nnode;
134: char *pnt;
135:
136: for (ALL_LIST_ELEMENTS (config, node, nnode, pnt))
137: {
138: if (strcmp (pnt, line) == 0)
139: return;
140: }
141: listnode_add_sort (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
142: }
143:
144: void
145: vtysh_config_parse_line (const char *line)
146: {
147: char c;
148: static struct config *config = NULL;
149:
150: if (! line)
151: return;
152:
153: c = line[0];
154:
155: if (c == '\0')
156: return;
157:
158: /* printf ("[%s]\n", line); */
159:
160: switch (c)
161: {
162: case '!':
163: case '#':
164: break;
165: case ' ':
166: /* Store line to current configuration. */
167: if (config)
168: {
169: if (strncmp (line, " address-family vpnv4",
170: strlen (" address-family vpnv4")) == 0)
171: config = config_get (BGP_VPNV4_NODE, line);
172: else if (strncmp (line, " address-family ipv4 multicast",
173: strlen (" address-family ipv4 multicast")) == 0)
174: config = config_get (BGP_IPV4M_NODE, line);
175: else if (strncmp (line, " address-family ipv6",
176: strlen (" address-family ipv6")) == 0)
177: config = config_get (BGP_IPV6_NODE, line);
178: else if (config->index == RMAP_NODE ||
179: config->index == INTERFACE_NODE ||
180: config->index == VTY_NODE)
181: config_add_line_uniq (config->line, line);
182: else
183: config_add_line (config->line, line);
184: }
185: else
186: config_add_line (config_top, line);
187: break;
188: default:
189: if (strncmp (line, "interface", strlen ("interface")) == 0)
190: config = config_get (INTERFACE_NODE, line);
191: else if (strncmp (line, "router-id", strlen ("router-id")) == 0)
192: config = config_get (ZEBRA_NODE, line);
193: else if (strncmp (line, "router rip", strlen ("router rip")) == 0)
194: config = config_get (RIP_NODE, line);
195: else if (strncmp (line, "router ripng", strlen ("router ripng")) == 0)
196: config = config_get (RIPNG_NODE, line);
197: else if (strncmp (line, "router ospf", strlen ("router ospf")) == 0)
198: config = config_get (OSPF_NODE, line);
199: else if (strncmp (line, "router ospf6", strlen ("router ospf6")) == 0)
200: config = config_get (OSPF6_NODE, line);
201: else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0)
202: config = config_get (BGP_NODE, line);
203: else if (strncmp (line, "router isis", strlen ("router isis")) == 0)
204: config = config_get (ISIS_NODE, line);
205: else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0)
206: config = config_get (BGP_NODE, line);
207: else if (strncmp (line, "route-map", strlen ("route-map")) == 0)
208: config = config_get (RMAP_NODE, line);
209: else if (strncmp (line, "access-list", strlen ("access-list")) == 0)
210: config = config_get (ACCESS_NODE, line);
211: else if (strncmp (line, "ipv6 access-list",
212: strlen ("ipv6 access-list")) == 0)
213: config = config_get (ACCESS_IPV6_NODE, line);
214: else if (strncmp (line, "ip prefix-list",
215: strlen ("ip prefix-list")) == 0)
216: config = config_get (PREFIX_NODE, line);
217: else if (strncmp (line, "ipv6 prefix-list",
218: strlen ("ipv6 prefix-list")) == 0)
219: config = config_get (PREFIX_IPV6_NODE, line);
220: else if (strncmp (line, "ip as-path access-list",
221: strlen ("ip as-path access-list")) == 0)
222: config = config_get (AS_LIST_NODE, line);
223: else if (strncmp (line, "ip community-list",
224: strlen ("ip community-list")) == 0)
225: config = config_get (COMMUNITY_LIST_NODE, line);
226: else if (strncmp (line, "ip route", strlen ("ip route")) == 0)
227: config = config_get (IP_NODE, line);
228: else if (strncmp (line, "ipv6 route", strlen ("ipv6 route")) == 0)
229: config = config_get (IP_NODE, line);
230: else if (strncmp (line, "key", strlen ("key")) == 0)
231: config = config_get (KEYCHAIN_NODE, line);
232: else if (strncmp (line, "line", strlen ("line")) == 0)
233: config = config_get (VTY_NODE, line);
234: else if ( (strncmp (line, "ipv6 forwarding",
235: strlen ("ipv6 forwarding")) == 0)
236: || (strncmp (line, "ip forwarding",
237: strlen ("ip forwarding")) == 0) )
238: config = config_get (FORWARDING_NODE, line);
239: else if (strncmp (line, "service", strlen ("service")) == 0)
240: config = config_get (SERVICE_NODE, line);
241: else if (strncmp (line, "debug", strlen ("debug")) == 0)
242: config = config_get (DEBUG_NODE, line);
243: else if (strncmp (line, "password", strlen ("password")) == 0
244: || strncmp (line, "enable password",
245: strlen ("enable password")) == 0)
246: config = config_get (AAA_NODE, line);
247: else if (strncmp (line, "ip protocol", strlen ("ip protocol")) == 0)
248: config = config_get (PROTOCOL_NODE, line);
249: else
250: {
251: if (strncmp (line, "log", strlen ("log")) == 0
252: || strncmp (line, "hostname", strlen ("hostname")) == 0
253: )
254: config_add_line_uniq (config_top, line);
255: else
256: config_add_line (config_top, line);
257: config = NULL;
258: }
259: break;
260: }
261: }
262:
263: void
264: vtysh_config_parse (char *line)
265: {
266: char *begin;
267: char *pnt;
268:
269: begin = pnt = line;
270:
271: while (*pnt != '\0')
272: {
273: if (*pnt == '\n')
274: {
275: *pnt++ = '\0';
276: vtysh_config_parse_line (begin);
277: begin = pnt;
278: }
279: else
280: {
281: pnt++;
282: }
283: }
284: }
285:
286: /* Macro to check delimiter is needed between each configuration line
287: * or not. */
288: #define NO_DELIMITER(I) \
289: ((I) == ACCESS_NODE || (I) == PREFIX_NODE || (I) == IP_NODE \
290: || (I) == AS_LIST_NODE || (I) == COMMUNITY_LIST_NODE || \
291: (I) == ACCESS_IPV6_NODE || (I) == PREFIX_IPV6_NODE \
292: || (I) == SERVICE_NODE || (I) == FORWARDING_NODE || (I) == DEBUG_NODE \
293: || (I) == AAA_NODE)
294:
295: /* Display configuration to file pointer. */
296: void
297: vtysh_config_dump (FILE *fp)
298: {
299: struct listnode *node, *nnode;
300: struct listnode *mnode, *mnnode;
301: struct config *config;
302: struct list *master;
303: char *line;
304: unsigned int i;
305:
306: for (ALL_LIST_ELEMENTS (config_top, node, nnode, line))
307: {
308: fprintf (fp, "%s\n", line);
309: fflush (fp);
310: }
311: fprintf (fp, "!\n");
312: fflush (fp);
313:
314: for (i = 0; i < vector_active (configvec); i++)
315: if ((master = vector_slot (configvec, i)) != NULL)
316: {
317: for (ALL_LIST_ELEMENTS (master, node, nnode, config))
318: {
319: fprintf (fp, "%s\n", config->name);
320: fflush (fp);
321:
322: for (ALL_LIST_ELEMENTS (config->line, mnode, mnnode, line))
323: {
324: fprintf (fp, "%s\n", line);
325: fflush (fp);
326: }
327: if (! NO_DELIMITER (i))
328: {
329: fprintf (fp, "!\n");
330: fflush (fp);
331: }
332: }
333: if (NO_DELIMITER (i))
334: {
335: fprintf (fp, "!\n");
336: fflush (fp);
337: }
338: }
339:
340: for (i = 0; i < vector_active (configvec); i++)
341: if ((master = vector_slot (configvec, i)) != NULL)
342: {
343: list_delete (master);
344: vector_slot (configvec, i) = NULL;
345: }
346: list_delete_all_node (config_top);
347: }
348:
349: /* Read up configuration file from file_name. */
350: static void
351: vtysh_read_file (FILE *confp)
352: {
353: int ret;
354: struct vty *vty;
355:
356: vty = vty_new ();
357: vty->fd = 0; /* stdout */
358: vty->type = VTY_TERM;
359: vty->node = CONFIG_NODE;
360:
361: vtysh_execute_no_pager ("enable");
362: vtysh_execute_no_pager ("configure terminal");
363:
364: /* Execute configuration file. */
365: ret = vtysh_config_from_file (vty, confp);
366:
367: vtysh_execute_no_pager ("end");
368: vtysh_execute_no_pager ("disable");
369:
370: vty_close (vty);
371:
372: if (ret != CMD_SUCCESS)
373: {
374: switch (ret)
375: {
376: case CMD_ERR_AMBIGUOUS:
377: fprintf (stderr, "Ambiguous command.\n");
378: break;
379: case CMD_ERR_NO_MATCH:
380: fprintf (stderr, "There is no such command.\n");
381: break;
382: }
383: fprintf (stderr, "Error occured during reading below line.\n%s\n",
384: vty->buf);
385: exit (1);
386: }
387: }
388:
389: /* Read up configuration file from config_default_dir. */
390: int
391: vtysh_read_config (char *config_default_dir)
392: {
393: FILE *confp = NULL;
394:
395: confp = fopen (config_default_dir, "r");
396: if (confp == NULL)
397: return (1);
398:
399: vtysh_read_file (confp);
400: fclose (confp);
401: host_config_set (config_default_dir);
402:
403: return (0);
404: }
405:
406: /* We don't write vtysh specific into file from vtysh. vtysh.conf should
407: * be edited by hand. So, we handle only "write terminal" case here and
408: * integrate vtysh specific conf with conf from daemons.
409: */
410: void
411: vtysh_config_write ()
412: {
413: char line[81];
414: extern struct host host;
415:
416: if (host.name)
417: {
418: sprintf (line, "hostname %s", host.name);
419: vtysh_config_parse_line(line);
420: }
421: if (vtysh_writeconfig_integrated)
422: vtysh_config_parse_line ("service integrated-vtysh-config");
423: }
424:
425: void
426: vtysh_config_init ()
427: {
428: config_top = list_new ();
429: config_top->del = (void (*) (void *))line_del;
430: configvec = vector_init (1);
431: }
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