crypto/heimdal-0.6.3/kdc/main.c

   1 /*
   2  * Copyright (c) 1997-2002 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kdc_locl.h"
  35 #ifdef HAVE_UTIL_H
  36 #include <util.h>
  37 #endif
  38
  39 RCSID("$Id: main.c,v 1.27 2002/08/28 21:27:16 joda Exp $");
  40
  41 sig_atomic_t exit_flag = 0;
  42 krb5_context context;
  43
  44 #ifdef HAVE_DAEMON
  45 extern int detach_from_console;
  46 #endif
  47
  48 static RETSIGTYPE
  49 sigterm(int sig)
  50 {
  51     exit_flag = 1;
  52 }
  53
  54 int
  55 main(int argc, char **argv)
  56 {
  57     krb5_error_code ret;
  58     setprogname(argv[0]);
  59
  60     ret = krb5_init_context(&context);
  61     if (ret)
  62         errx (1, "krb5_init_context failed: %d", ret);
  63
  64     configure(argc, argv);
  65
  66     if(databases == NULL) {
  67         db = malloc(sizeof(*db));
  68         num_db = 1;
  69         ret = hdb_create(context, &db[0], NULL);
  70         if(ret)
  71             krb5_err(context, 1, ret, "hdb_create %s", HDB_DEFAULT_DB);
  72         ret = hdb_set_master_keyfile(context, db[0], NULL);
  73         if (ret)
  74             krb5_err(context, 1, ret, "hdb_set_master_keyfile");
  75     } else {
  76         struct dbinfo *d;
  77         int i;
  78         /* count databases */
  79         for(d = databases, i = 0; d; d = d->next, i++);
  80         db = malloc(i * sizeof(*db));
  81         for(d = databases, num_db = 0; d; d = d->next, num_db++) {
  82             ret = hdb_create(context, &db[num_db], d->dbname);
  83             if(ret)
  84                 krb5_err(context, 1, ret, "hdb_create %s", d->dbname);
  85             ret = hdb_set_master_keyfile(context, db[num_db], d->mkey_file);
  86             if (ret)
  87                 krb5_err(context, 1, ret, "hdb_set_master_keyfile");
  88         }
  89     }
  90
  91 #ifdef HAVE_SIGACTION
  92     {
  93         struct sigaction sa;
  94
  95         sa.sa_flags = 0;
  96         sa.sa_handler = sigterm;
  97         sigemptyset(&sa.sa_mask);
  98
  99         sigaction(SIGINT, &sa, NULL);
 100         sigaction(SIGTERM, &sa, NULL);
 101     }
 102 #else
 103     signal(SIGINT, sigterm);
 104     signal(SIGTERM, sigterm);
 105 #endif
 106 #ifdef HAVE_DAEMON
 107     if (detach_from_console)
 108         daemon(0, 0);
 109 #endif
 110     pidfile(NULL);
 111     loop();
 112     krb5_free_context(context);
 113     return 0;
 114 }