xref: /freebsd/crypto/heimdal/kdc/main.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1997-2002 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,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 }
115