crypto/dist/heimdal/kdc/main.c

   1 /*
   2  * Copyright (c) 1997-2005 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("$Heimdal: main.c 20454 2007-04-19 20:21:51Z lha $"
  40         "$NetBSD$");
  41
  42 sig_atomic_t exit_flag = 0;
  43
  44 int detach_from_console = -1;
  45
  46 static RETSIGTYPE
  47 sigterm(int sig)
  48 {
  49     exit_flag = sig;
  50 }
  51
  52 int
  53 main(int argc, char **argv)
  54 {
  55     krb5_error_code ret;
  56     krb5_context context;
  57     krb5_kdc_configuration *config;
  58
  59     setprogname(argv[0]);
  60
  61     ret = krb5_init_context(&context);
  62     if (ret == KRB5_CONFIG_BADFORMAT)
  63         errx (1, "krb5_init_context failed to parse configuration file");
  64     else if (ret)
  65         errx (1, "krb5_init_context failed: %d", ret);
  66
  67     ret = krb5_kt_register(context, &hdb_kt_ops);
  68     if (ret)
  69         errx (1, "krb5_kt_register(HDB) failed: %d", ret);
  70
  71     config = configure(context, argc, argv);
  72
  73 #ifdef HAVE_SIGACTION
  74     {
  75         struct sigaction sa;
  76
  77         sa.sa_flags = 0;
  78         sa.sa_handler = sigterm;
  79         sigemptyset(&sa.sa_mask);
  80
  81         sigaction(SIGINT, &sa, NULL);
  82         sigaction(SIGTERM, &sa, NULL);
  83         sigaction(SIGXCPU, &sa, NULL);
  84
  85         sa.sa_handler = SIG_IGN;
  86         sigaction(SIGPIPE, &sa, NULL);
  87     }
  88 #else
  89     signal(SIGINT, sigterm);
  90     signal(SIGTERM, sigterm);
  91     signal(SIGXCPU, sigterm);
  92     signal(SIGPIPE, SIG_IGN);
  93 #endif
  94     if (detach_from_console)
  95         daemon(0, 0);
  96     pidfile(NULL);
  97     loop(context, config);
  98     krb5_free_context(context);
  99     return 0;
 100 }