nscd/nscd_conf.c

   1 /* Copyright (c) 1998 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA. */
  19
  20 #include <ctype.h>
  21 #include <malloc.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <sys/types.h>
  26
  27 #include "dbg_log.h"
  28 #include "nscd.h"
  29
  30 int
  31 nscd_parse_file (const char *fname)
  32 {
  33   FILE *fp;
  34   char *line, *cp, *entry, *arg1, *arg2;
  35   size_t len;
  36
  37   /* Open the configuration file.  */
  38   fp = fopen (fname, "r");
  39   if (fp == NULL)
  40     return -1;
  41
  42   line = NULL;
  43   len = 0;
  44
  45   do
  46     {
  47       ssize_t n = getline (&line, &len, fp);
  48       if (n < 0)
  49         break;
  50       if (line[n - 1] == '\n')
  51         line[n - 1] = '\0';
  52
  53       /* Because the file format does not know any form of quoting we
  54          can search forward for the next '#' character and if found
  55          make it terminating the line.  */
  56       cp = strchr (line, '#');
  57       if (cp != NULL)
  58         *cp = '\0';
  59
  60       /* If the line is blank it is ignored.  */
  61       if (line[0] == '\0')
  62         continue;
  63
  64       entry = line;
  65       while (isspace (*entry) && *entry != '\0')
  66         ++entry;
  67       cp = entry;
  68       while (!isspace (*cp) && *cp != '\0')
  69         ++cp;
  70       arg1 = cp;
  71       ++arg1;
  72       *cp = '\0';
  73       if (*cp = '\0' || strlen (entry) == 0)
  74         dbg_log (_("Parse error: %s"), line);
  75       while (isspace (*arg1) && *arg1 != '\0')
  76         ++arg1;
  77       cp = arg1;
  78       while (!isspace (*cp) && *cp != '\0')
  79         ++cp;
  80       arg2 = cp;
  81       ++arg2;
  82       *cp = '\0';
  83       if (strlen (arg2) > 0)
  84         {
  85           while (isspace (*arg2) && *arg2 != '\0')
  86             ++arg2;
  87           cp = arg2;
  88           while (!isspace (*cp) && *cp != '\0')
  89             ++cp;
  90           *cp = '\0';
  91         }
  92
  93       if (strcmp (entry, "positive-time-to-live") == 0)
  94         {
  95           if (strcmp (arg1, "passwd") == 0)
  96             set_pos_pwd_ttl (atol (arg2));
  97           else if (strcmp (arg1, "group") == 0)
  98             set_pos_grp_ttl (atol (arg2));
  99           else
 100             dbg_log ("server %s is not supported\n", arg1);
 101         }
 102       else if (strcmp (entry, "negative-time-to-live") == 0)
 103         {
 104           if (strcmp (arg1, "passwd") == 0)
 105             set_neg_pwd_ttl (atol (arg2));
 106           else if (strcmp (arg1, "group") == 0)
 107             set_neg_grp_ttl (atol (arg2));
 108           else
 109             dbg_log (_("service %s is not supported"), arg1);
 110         }
 111       else if (strcmp (entry, "suggested-size") == 0)
 112         {
 113           if (strcmp (arg1, "passwd") == 0)
 114             set_pwd_modulo (atol (arg2));
 115           else if (strcmp (arg1, "group") == 0)
 116             set_grp_modulo (atol (arg2));
 117           else
 118             dbg_log (_("service %s is not supported"), arg1);
 119         }
 120       else if (strcmp (entry, "enable-cache") ==0)
 121         {
 122           if (strcmp (arg1, "passwd") == 0
 123               && strcmp (arg2, "no") == 0)
 124             disabled_passwd = 1;
 125           else if (strcmp (arg1, "group") == 0
 126                    && strcmp (arg2, "no") == 0)
 127             disabled_group = 1;
 128           else
 129             dbg_log (_("service %s is not supported"), arg1);
 130         }
 131       else if (strcmp (entry, "logfile") == 0)
 132         {
 133           if (!set_logfile (arg1))
 134             dbg_log (_("Could not create log file \"%s\""), arg1);
 135         }
 136       else if (strcmp (entry, "debug-level") == 0)
 137         {
 138           int level = atoi (arg1);
 139           if (level > 0)
 140             debug_flag = level;
 141         }
 142       else
 143         dbg_log (_("Unknown option: %s %s %s"), entry, arg1, arg2);
 144     }
 145   while (!feof (fp));
 146
 147   /* Free the buffer.  */
 148   free (line);
 149   /* Close configuration file.  */
 150   fclose (fp);
 151
 152   return 0;
 153 }