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-rw-r--r--REORG.TODO/nscd/nscd_conf.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/REORG.TODO/nscd/nscd_conf.c b/REORG.TODO/nscd/nscd_conf.c
new file mode 100644
index 0000000000..9c301ad73d
--- /dev/null
+++ b/REORG.TODO/nscd/nscd_conf.c
@@ -0,0 +1,315 @@
+/* Copyright (c) 1998-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
+
+#include <ctype.h>
+#include <errno.h>
+#include <error.h>
+#include <libintl.h>
+#include <malloc.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/types.h>
+
+#include "dbg_log.h"
+#include "nscd.h"
+
+
+/* Names of the databases. */
+const char *const dbnames[lastdb] =
+{
+ [pwddb] = "passwd",
+ [grpdb] = "group",
+ [hstdb] = "hosts",
+ [servdb] = "services",
+ [netgrdb] = "netgroup"
+};
+
+
+static int
+find_db (const char *name)
+{
+ for (int cnt = 0; cnt < lastdb; ++cnt)
+ if (strcmp (name, dbnames[cnt]) == 0)
+ return cnt;
+
+ error (0, 0, _("database %s is not supported"), name);
+ return -1;
+}
+
+int
+nscd_parse_file (const char *fname, struct database_dyn dbs[lastdb])
+{
+ FILE *fp;
+ char *line, *cp, *entry, *arg1, *arg2;
+ size_t len;
+ int cnt;
+ const unsigned int initial_error_message_count = error_message_count;
+
+ /* Open the configuration file. */
+ fp = fopen (fname, "r");
+ if (fp == NULL)
+ return -1;
+
+ /* The stream is not used by more than one thread. */
+ (void) __fsetlocking (fp, FSETLOCKING_BYCALLER);
+
+ line = NULL;
+ len = 0;
+
+ do
+ {
+ ssize_t n = getline (&line, &len, fp);
+ if (n < 0)
+ break;
+ if (line[n - 1] == '\n')
+ line[n - 1] = '\0';
+
+ /* Because the file format does not know any form of quoting we
+ can search forward for the next '#' character and if found
+ make it terminating the line. */
+ *strchrnul (line, '#') = '\0';
+
+ /* If the line is blank it is ignored. */
+ if (line[0] == '\0')
+ continue;
+
+ entry = line;
+ while (isspace (*entry) && *entry != '\0')
+ ++entry;
+ cp = entry;
+ while (!isspace (*cp) && *cp != '\0')
+ ++cp;
+ arg1 = cp;
+ ++arg1;
+ *cp = '\0';
+ if (strlen (entry) == 0)
+ error (0, 0, _("Parse error: %s"), line);
+ while (isspace (*arg1) && *arg1 != '\0')
+ ++arg1;
+ cp = arg1;
+ while (!isspace (*cp) && *cp != '\0')
+ ++cp;
+ arg2 = cp;
+ ++arg2;
+ *cp = '\0';
+ if (strlen (arg2) > 0)
+ {
+ while (isspace (*arg2) && *arg2 != '\0')
+ ++arg2;
+ cp = arg2;
+ while (!isspace (*cp) && *cp != '\0')
+ ++cp;
+ *cp = '\0';
+ }
+
+ if (strcmp (entry, "positive-time-to-live") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ dbs[idx].postimeout = atol (arg2);
+ }
+ else if (strcmp (entry, "negative-time-to-live") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ dbs[idx].negtimeout = atol (arg2);
+ }
+ else if (strcmp (entry, "suggested-size") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ dbs[idx].suggested_module
+ = atol (arg2) ?: DEFAULT_SUGGESTED_MODULE;
+ }
+ else if (strcmp (entry, "enable-cache") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ {
+ if (strcmp (arg2, "no") == 0)
+ dbs[idx].enabled = 0;
+ else if (strcmp (arg2, "yes") == 0)
+ dbs[idx].enabled = 1;
+ }
+ }
+ else if (strcmp (entry, "check-files") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ {
+ if (strcmp (arg2, "no") == 0)
+ dbs[idx].check_file = 0;
+ else if (strcmp (arg2, "yes") == 0)
+ dbs[idx].check_file = 1;
+ }
+ }
+ else if (strcmp (entry, "max-db-size") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ dbs[idx].max_db_size = atol (arg2) ?: DEFAULT_MAX_DB_SIZE;
+ }
+ else if (strcmp (entry, "logfile") == 0)
+ set_logfile (arg1);
+ else if (strcmp (entry, "debug-level") == 0)
+ {
+ int level = atoi (arg1);
+ if (level > 0)
+ debug_level = level;
+ }
+ else if (strcmp (entry, "threads") == 0)
+ {
+ if (nthreads == -1)
+ nthreads = MAX (atol (arg1), lastdb);
+ }
+ else if (strcmp (entry, "max-threads") == 0)
+ {
+ max_nthreads = MAX (atol (arg1), lastdb);
+ }
+ else if (strcmp (entry, "server-user") == 0)
+ {
+ if (!arg1)
+ error (0, 0, _("Must specify user name for server-user option"));
+ else
+ server_user = xstrdup (arg1);
+ }
+ else if (strcmp (entry, "stat-user") == 0)
+ {
+ if (arg1 == NULL)
+ error (0, 0, _("Must specify user name for stat-user option"));
+ else
+ {
+ stat_user = xstrdup (arg1);
+
+ struct passwd *pw = getpwnam (stat_user);
+ if (pw != NULL)
+ stat_uid = pw->pw_uid;
+ }
+ }
+ else if (strcmp (entry, "persistent") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ {
+ if (strcmp (arg2, "no") == 0)
+ dbs[idx].persistent = 0;
+ else if (strcmp (arg2, "yes") == 0)
+ dbs[idx].persistent = 1;
+ }
+ }
+ else if (strcmp (entry, "shared") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ {
+ if (strcmp (arg2, "no") == 0)
+ dbs[idx].shared = 0;
+ else if (strcmp (arg2, "yes") == 0)
+ dbs[idx].shared = 1;
+ }
+ }
+ else if (strcmp (entry, "reload-count") == 0)
+ {
+ if (strcasecmp (arg1, "unlimited") == 0)
+ reload_count = UINT_MAX;
+ else
+ {
+ unsigned long int count = strtoul (arg1, NULL, 0);
+ if (count > UINT8_MAX - 1)
+ reload_count = UINT_MAX;
+ else
+ reload_count = count;
+ }
+ }
+ else if (strcmp (entry, "paranoia") == 0)
+ {
+ if (strcmp (arg1, "no") == 0)
+ paranoia = 0;
+ else if (strcmp (arg1, "yes") == 0)
+ paranoia = 1;
+ }
+ else if (strcmp (entry, "restart-interval") == 0)
+ {
+ if (arg1 != NULL)
+ restart_interval = atol (arg1);
+ else
+ error (0, 0, _("Must specify value for restart-interval option"));
+ }
+ else if (strcmp (entry, "auto-propagate") == 0)
+ {
+ int idx = find_db (arg1);
+ if (idx >= 0)
+ {
+ if (strcmp (arg2, "no") == 0)
+ dbs[idx].propagate = 0;
+ else if (strcmp (arg2, "yes") == 0)
+ dbs[idx].propagate = 1;
+ }
+ }
+ else
+ error (0, 0, _("Unknown option: %s %s %s"), entry, arg1, arg2);
+ }
+ while (!feof_unlocked (fp));
+
+ if (paranoia)
+ {
+ restart_time = time (NULL) + restart_interval;
+
+ /* Save the old current workding directory if we are in paranoia
+ mode. We have to change back to it. */
+ oldcwd = get_current_dir_name ();
+ if (oldcwd == NULL)
+ {
+ error (0, 0, _("\
+cannot get current working directory: %s; disabling paranoia mode"),
+ strerror (errno));
+ paranoia = 0;
+ }
+ }
+
+ /* Enforce sanity. */
+ if (max_nthreads < nthreads)
+ max_nthreads = nthreads;
+
+ for (cnt = 0; cnt < lastdb; ++cnt)
+ {
+ size_t datasize = (sizeof (struct database_pers_head)
+ + roundup (dbs[cnt].suggested_module
+ * sizeof (ref_t), ALIGN)
+ + (dbs[cnt].suggested_module
+ * DEFAULT_DATASIZE_PER_BUCKET));
+ if (datasize > dbs[cnt].max_db_size)
+ {
+ error (0, 0, _("maximum file size for %s database too small"),
+ dbnames[cnt]);
+ dbs[cnt].max_db_size = datasize;
+ }
+
+ }
+
+ /* Free the buffer. */
+ free (line);
+ /* Close configuration file. */
+ fclose (fp);
+
+ return error_message_count != initial_error_message_count;
+}
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