1 /* Copyright (c) 1998,2000,2003,2004,2005,2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License version 2 as
7 published by the Free Software Foundation.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #include <stdio_ext.h>
29 #include <sys/param.h>
30 #include <sys/types.h>
35 /* Wrapper functions with error checking for standard functions. */
36 extern char *xstrdup (const char *s);
39 /* Names of the databases. */
40 const char *dbnames[lastdb] =
49 find_db (const char *name)
51 for (int cnt = 0; cnt < lastdb; ++cnt)
52 if (strcmp (name, dbnames[cnt]) == 0)
55 error (0, 0, _("database %s is not supported\n"), name);
60 nscd_parse_file (const char *fname, struct database_dyn dbs[lastdb])
63 char *line, *cp, *entry, *arg1, *arg2;
66 const unsigned int initial_error_message_count = error_message_count;
68 /* Open the configuration file. */
69 fp = fopen (fname, "r");
73 /* The stream is not used by more than one thread. */
74 (void) __fsetlocking (fp, FSETLOCKING_BYCALLER);
81 ssize_t n = getline (&line, &len, fp);
84 if (line[n - 1] == '\n')
87 /* Because the file format does not know any form of quoting we
88 can search forward for the next '#' character and if found
89 make it terminating the line. */
90 *strchrnul (line, '#') = '\0';
92 /* If the line is blank it is ignored. */
97 while (isspace (*entry) && *entry != '\0')
100 while (!isspace (*cp) && *cp != '\0')
105 if (strlen (entry) == 0)
106 error (0, 0, _("Parse error: %s"), line);
107 while (isspace (*arg1) && *arg1 != '\0')
110 while (!isspace (*cp) && *cp != '\0')
115 if (strlen (arg2) > 0)
117 while (isspace (*arg2) && *arg2 != '\0')
120 while (!isspace (*cp) && *cp != '\0')
125 if (strcmp (entry, "positive-time-to-live") == 0)
127 int idx = find_db (arg1);
129 dbs[idx].postimeout = atol (arg2);
131 else if (strcmp (entry, "negative-time-to-live") == 0)
133 int idx = find_db (arg1);
135 dbs[idx].negtimeout = atol (arg2);
137 else if (strcmp (entry, "suggested-size") == 0)
139 int idx = find_db (arg1);
141 dbs[idx].suggested_module = atol (arg2);
143 else if (strcmp (entry, "enable-cache") == 0)
145 int idx = find_db (arg1);
148 if (strcmp (arg2, "no") == 0)
149 dbs[idx].enabled = 0;
150 else if (strcmp (arg2, "yes") == 0)
151 dbs[idx].enabled = 1;
154 else if (strcmp (entry, "check-files") == 0)
156 int idx = find_db (arg1);
159 if (strcmp (arg2, "no") == 0)
160 dbs[idx].check_file = 0;
161 else if (strcmp (arg2, "yes") == 0)
162 dbs[idx].check_file = 1;
165 else if (strcmp (entry, "max-db-size") == 0)
167 int idx = find_db (arg1);
169 dbs[idx].max_db_size = atol (arg2);
171 else if (strcmp (entry, "logfile") == 0)
173 else if (strcmp (entry, "debug-level") == 0)
175 int level = atoi (arg1);
179 else if (strcmp (entry, "threads") == 0)
182 nthreads = MAX (atol (arg1), lastdb);
184 else if (strcmp (entry, "max-threads") == 0)
186 max_nthreads = MAX (atol (arg1), lastdb);
188 else if (strcmp (entry, "server-user") == 0)
191 error (0, 0, _("Must specify user name for server-user option"));
193 server_user = xstrdup (arg1);
195 else if (strcmp (entry, "stat-user") == 0)
198 error (0, 0, _("Must specify user name for stat-user option"));
201 stat_user = xstrdup (arg1);
203 struct passwd *pw = getpwnam (stat_user);
205 stat_uid = pw->pw_uid;
208 else if (strcmp (entry, "persistent") == 0)
210 int idx = find_db (arg1);
213 if (strcmp (arg2, "no") == 0)
214 dbs[idx].persistent = 0;
215 else if (strcmp (arg2, "yes") == 0)
216 dbs[idx].persistent = 1;
219 else if (strcmp (entry, "shared") == 0)
221 int idx = find_db (arg1);
224 if (strcmp (arg2, "no") == 0)
226 else if (strcmp (arg2, "yes") == 0)
230 else if (strcmp (entry, "reload-count") == 0)
232 if (strcasecmp (arg1, "unlimited") == 0)
233 reload_count = UINT_MAX;
236 unsigned int count = strtoul (arg1, NULL, 0);
237 if (count > UINT8_MAX - 1)
238 reload_count = UINT_MAX;
240 reload_count = count;
242 error (0, 0, _("invalid value for 'reload-count': %u"), count);
245 else if (strcmp (entry, "paranoia") == 0)
247 if (strcmp (arg1, "no") == 0)
249 else if (strcmp (arg1, "yes") == 0)
252 else if (strcmp (entry, "restart-interval") == 0)
255 restart_interval = atol (arg1);
257 error (0, 0, _("Must specify value for restart-interval option"));
259 else if (strcmp (entry, "auto-propagate") == 0)
261 int idx = find_db (arg1);
264 if (strcmp (arg2, "no") == 0)
265 dbs[idx].propagate = 0;
266 else if (strcmp (arg2, "yes") == 0)
267 dbs[idx].propagate = 1;
271 error (0, 0, _("Unknown option: %s %s %s"), entry, arg1, arg2);
273 while (!feof_unlocked (fp));
277 restart_time = time (NULL) + restart_interval;
279 /* Save the old current workding directory if we are in paranoia
280 mode. We have to change back to it. */
281 oldcwd = get_current_dir_name ();
285 cannot get current working directory: %s; disabling paranoia mode"),
291 /* Enforce sanity. */
292 if (max_nthreads < nthreads)
293 max_nthreads = nthreads;
295 for (cnt = 0; cnt < lastdb; ++cnt)
297 size_t datasize = (sizeof (struct database_pers_head)
298 + roundup (dbs[cnt].suggested_module
299 * sizeof (ref_t), ALIGN)
300 + (dbs[cnt].suggested_module
301 * DEFAULT_DATASIZE_PER_BUCKET));
302 if (datasize > dbs[cnt].max_db_size)
304 error (0, 0, _("maximum file size for %s database too small"),
306 dbs[cnt].max_db_size = datasize;
311 /* Free the buffer. */
313 /* Close configuration file. */
316 return error_message_count != initial_error_message_count;