xref: /freebsd/crypto/heimdal/kdc/main.c (revision 7aa383846770374466b1dcb2cefd71bde9acf463)
1 /*
2  * Copyright (c) 1997-2005 Kungliga Tekniska H�gskolan
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 20454 2007-04-19 20:21:51Z lha $");
40 
41 sig_atomic_t exit_flag = 0;
42 
43 int detach_from_console = -1;
44 
45 static RETSIGTYPE
46 sigterm(int sig)
47 {
48     exit_flag = sig;
49 }
50 
51 int
52 main(int argc, char **argv)
53 {
54     krb5_error_code ret;
55     krb5_context context;
56     krb5_kdc_configuration *config;
57 
58     setprogname(argv[0]);
59 
60     ret = krb5_init_context(&context);
61     if (ret == KRB5_CONFIG_BADFORMAT)
62 	errx (1, "krb5_init_context failed to parse configuration file");
63     else if (ret)
64 	errx (1, "krb5_init_context failed: %d", ret);
65 
66     ret = krb5_kt_register(context, &hdb_kt_ops);
67     if (ret)
68 	errx (1, "krb5_kt_register(HDB) failed: %d", ret);
69 
70     config = configure(context, argc, argv);
71 
72 #ifdef HAVE_SIGACTION
73     {
74 	struct sigaction sa;
75 
76 	sa.sa_flags = 0;
77 	sa.sa_handler = sigterm;
78 	sigemptyset(&sa.sa_mask);
79 
80 	sigaction(SIGINT, &sa, NULL);
81 	sigaction(SIGTERM, &sa, NULL);
82 	sigaction(SIGXCPU, &sa, NULL);
83 
84 	sa.sa_handler = SIG_IGN;
85 	sigaction(SIGPIPE, &sa, NULL);
86     }
87 #else
88     signal(SIGINT, sigterm);
89     signal(SIGTERM, sigterm);
90     signal(SIGXCPU, sigterm);
91     signal(SIGPIPE, SIG_IGN);
92 #endif
93     if (detach_from_console)
94 	daemon(0, 0);
95     pidfile(NULL);
96     loop(context, config);
97     krb5_free_context(context);
98     return 0;
99 }
100