1 /* Copyright (c) 1998-2014 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 as published
7 by the Free Software Foundation; version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <http://www.gnu.org/licenses/>. */
25 #include <stdio_ext.h>
29 #include <sys/param.h>
30 #include <sys/types.h>
36 /* Names of the databases. */
37 const char *const dbnames[lastdb] =
42 [servdb] = "services",
43 [netgrdb] = "netgroup"
48 find_db (const char *name)
50 for (int cnt = 0; cnt < lastdb; ++cnt)
51 if (strcmp (name, dbnames[cnt]) == 0)
54 error (0, 0, _("database %s is not supported"), name);
59 nscd_parse_file (const char *fname, struct database_dyn dbs[lastdb])
62 char *line, *cp, *entry, *arg1, *arg2;
65 const unsigned int initial_error_message_count = error_message_count;
67 /* Open the configuration file. */
68 fp = fopen (fname, "r");
72 /* The stream is not used by more than one thread. */
73 (void) __fsetlocking (fp, FSETLOCKING_BYCALLER);
80 ssize_t n = getline (&line, &len, fp);
83 if (line[n - 1] == '\n')
86 /* Because the file format does not know any form of quoting we
87 can search forward for the next '#' character and if found
88 make it terminating the line. */
89 *strchrnul (line, '#') = '\0';
91 /* If the line is blank it is ignored. */
96 while (isspace (*entry) && *entry != '\0')
99 while (!isspace (*cp) && *cp != '\0')
104 if (strlen (entry) == 0)
105 error (0, 0, _("Parse error: %s"), line);
106 while (isspace (*arg1) && *arg1 != '\0')
109 while (!isspace (*cp) && *cp != '\0')
114 if (strlen (arg2) > 0)
116 while (isspace (*arg2) && *arg2 != '\0')
119 while (!isspace (*cp) && *cp != '\0')
124 if (strcmp (entry, "positive-time-to-live") == 0)
126 int idx = find_db (arg1);
128 dbs[idx].postimeout = atol (arg2);
130 else if (strcmp (entry, "negative-time-to-live") == 0)
132 int idx = find_db (arg1);
134 dbs[idx].negtimeout = atol (arg2);
136 else if (strcmp (entry, "suggested-size") == 0)
138 int idx = find_db (arg1);
140 dbs[idx].suggested_module
141 = atol (arg2) ?: DEFAULT_SUGGESTED_MODULE;
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) ?: DEFAULT_MAX_DB_SIZE;
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 long int count = strtoul (arg1, NULL, 0);
237 if (count > UINT8_MAX - 1)
238 reload_count = UINT_MAX;
240 reload_count = count;
243 else if (strcmp (entry, "paranoia") == 0)
245 if (strcmp (arg1, "no") == 0)
247 else if (strcmp (arg1, "yes") == 0)
250 else if (strcmp (entry, "restart-interval") == 0)
253 restart_interval = atol (arg1);
255 error (0, 0, _("Must specify value for restart-interval option"));
257 else if (strcmp (entry, "auto-propagate") == 0)
259 int idx = find_db (arg1);
262 if (strcmp (arg2, "no") == 0)
263 dbs[idx].propagate = 0;
264 else if (strcmp (arg2, "yes") == 0)
265 dbs[idx].propagate = 1;
269 error (0, 0, _("Unknown option: %s %s %s"), entry, arg1, arg2);
271 while (!feof_unlocked (fp));
275 restart_time = time (NULL) + restart_interval;
277 /* Save the old current workding directory if we are in paranoia
278 mode. We have to change back to it. */
279 oldcwd = get_current_dir_name ();
283 cannot get current working directory: %s; disabling paranoia mode"),
289 /* Enforce sanity. */
290 if (max_nthreads < nthreads)
291 max_nthreads = nthreads;
293 for (cnt = 0; cnt < lastdb; ++cnt)
295 size_t datasize = (sizeof (struct database_pers_head)
296 + roundup (dbs[cnt].suggested_module
297 * sizeof (ref_t), ALIGN)
298 + (dbs[cnt].suggested_module
299 * DEFAULT_DATASIZE_PER_BUCKET));
300 if (datasize > dbs[cnt].max_db_size)
302 error (0, 0, _("maximum file size for %s database too small"),
304 dbs[cnt].max_db_size = datasize;
309 /* Free the buffer. */
311 /* Close configuration file. */
314 return error_message_count != initial_error_message_count;