kcm/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 "kcm_locl.h"
  35
  36 RCSID("$Id$");
  37
  38 sig_atomic_t exit_flag = 0;
  39
  40 krb5_context kcm_context = NULL;
  41
  42 const char *service_name = "org.h5l.kcm";
  43
  44 static RETSIGTYPE
  45 sigterm(int sig)
  46 {
  47     exit_flag = 1;
  48 }
  49
  50 static RETSIGTYPE
  51 sigusr1(int sig)
  52 {
  53     kcm_debug_ccache(kcm_context);
  54 }
  55
  56 static RETSIGTYPE
  57 sigusr2(int sig)
  58 {
  59     kcm_debug_events(kcm_context);
  60 }
  61
  62 int
  63 main(int argc, char **argv)
  64 {
  65     krb5_error_code ret;
  66     setprogname(argv[0]);
  67
  68     ret = krb5_init_context(&kcm_context);
  69     if (ret) {
  70         errx (1, "krb5_init_context failed: %d", ret);
  71         return ret;
  72     }
  73
  74     kcm_configure(argc, argv);
  75
  76 #ifdef HAVE_SIGACTION
  77     {
  78         struct sigaction sa;
  79
  80         sa.sa_flags = 0;
  81         sa.sa_handler = sigterm;
  82         sigemptyset(&sa.sa_mask);
  83
  84         sigaction(SIGINT, &sa, NULL);
  85         sigaction(SIGTERM, &sa, NULL);
  86
  87         sa.sa_handler = sigusr1;
  88         sigaction(SIGUSR1, &sa, NULL);
  89
  90         sa.sa_handler = sigusr2;
  91         sigaction(SIGUSR2, &sa, NULL);
  92
  93         sa.sa_handler = SIG_IGN;
  94         sigaction(SIGPIPE, &sa, NULL);
  95     }
  96 #else
  97     signal(SIGINT, sigterm);
  98     signal(SIGTERM, sigterm);
  99     signal(SIGUSR1, sigusr1);
 100     signal(SIGUSR2, sigusr2);
 101     signal(SIGPIPE, SIG_IGN);
 102 #endif
 103 #ifdef SUPPORT_DETACH
 104     if (detach_from_console)
 105         if (daemon(0, 0) == -1)
 106             err(1, "daemon");
 107 #endif
 108     pidfile(NULL);
 109
 110     if (launchd_flag) {
 111         heim_sipc mach;
 112         heim_sipc_launchd_mach_init(service_name, kcm_service, NULL, &mach);
 113     } else {
 114         heim_sipc un;
 115         heim_sipc_service_unix(service_name, kcm_service, NULL, &un);
 116     }
 117
 118     heim_ipc_main();
 119
 120     krb5_free_context(kcm_context);
 121     return 0;
 122 }