xref: /freebsd/crypto/heimdal/kcm/main.c (revision 1670a1c2a47d10ecccd001970b859caf93cd3b6e)
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 "kcm_locl.h"
35 
36 RCSID("$Id: main.c 15298 2005-05-30 10:58:14Z lha $");
37 
38 sig_atomic_t exit_flag = 0;
39 
40 krb5_context kcm_context = NULL;
41 
42 static RETSIGTYPE
43 sigterm(int sig)
44 {
45     exit_flag = 1;
46 }
47 
48 static RETSIGTYPE
49 sigusr1(int sig)
50 {
51     kcm_debug_ccache(kcm_context);
52 }
53 
54 static RETSIGTYPE
55 sigusr2(int sig)
56 {
57     kcm_debug_events(kcm_context);
58 }
59 
60 int
61 main(int argc, char **argv)
62 {
63     krb5_error_code ret;
64     setprogname(argv[0]);
65 
66     ret = krb5_init_context(&kcm_context);
67     if (ret) {
68 	errx (1, "krb5_init_context failed: %d", ret);
69 	return ret;
70     }
71 
72     kcm_configure(argc, argv);
73 
74 #ifdef HAVE_SIGACTION
75     {
76 	struct sigaction sa;
77 
78 	sa.sa_flags = 0;
79 	sa.sa_handler = sigterm;
80 	sigemptyset(&sa.sa_mask);
81 
82 	sigaction(SIGINT, &sa, NULL);
83 	sigaction(SIGTERM, &sa, NULL);
84 
85 	sa.sa_handler = sigusr1;
86 	sigaction(SIGUSR1, &sa, NULL);
87 
88 	sa.sa_handler = sigusr2;
89 	sigaction(SIGUSR2, &sa, NULL);
90 
91 	sa.sa_handler = SIG_IGN;
92 	sigaction(SIGPIPE, &sa, NULL);
93     }
94 #else
95     signal(SIGINT, sigterm);
96     signal(SIGTERM, sigterm);
97     signal(SIGUSR1, sigusr1);
98     signal(SIGUSR2, sigusr2);
99     signal(SIGPIPE, SIG_IGN);
100 #endif
101     if (detach_from_console)
102 	daemon(0, 0);
103     pidfile(NULL);
104     kcm_loop();
105     krb5_free_context(kcm_context);
106     return 0;
107 }
108