xref: /onnv-gate/usr/src/cmd/cmd-crypto/cryptoadm/start_stop.c (revision 957:5d0f4378dc4e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <fcntl.h>
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <door.h>
32 #include <libintl.h>
33 #include <string.h>
34 #include <errno.h>
35 #include <signal.h>
36 #include <libscf.h>
37 
38 #include <cryptoutil.h>
39 #include <sys/crypto/elfsign.h>
40 #include "cryptoadm.h"
41 
42 int
start_daemon(void)43 start_daemon(void)
44 {
45 	closefrom(0);
46 	(void) open("/dev/null", O_RDONLY);
47 	(void) open("/dev/null", O_WRONLY);
48 	(void) dup(1);
49 	(void) setsid();
50 
51 	return (execl(_PATH_KCFD, _PATH_KCFD, (char *)0));
52 }
53 
54 int
stop_daemon(void)55 stop_daemon(void)
56 {
57 	int fd = -1;
58 	int err = 0;
59 	struct door_info dinfo;
60 
61 	/* read PID of kcfd process from kcfd lock file */
62 	if ((fd = open(_PATH_KCFD_DOOR, O_RDONLY)) == -1) {
63 		err = errno;
64 		cryptodebug("Can not open %s: %s", _PATH_KCFD_DOOR,
65 		    strerror(err));
66 		goto stop_fail;
67 	}
68 
69 	if (door_info(fd, &dinfo) == -1 || dinfo.di_target == -1) {
70 		err = ENOENT;	/* no errno if di_target == -1 */
71 		cryptodebug("no door server listening on %s", _PATH_KCFD_DOOR);
72 		goto stop_fail;
73 	}
74 
75 	cryptodebug("Sending SIGINT to %d", dinfo.di_target);
76 	/* send a signal to kcfd process */
77 	if ((kill(dinfo.di_target, SIGINT)) != 0) {
78 		err = errno;
79 		cryptodebug("failed to send a signal to kcfd: %s",
80 		    strerror(errno));
81 		goto stop_fail;
82 	}
83 
84 stop_fail:
85 	if (fd != -1)
86 		(void) close(fd);
87 
88 	if (err != 0)  {
89 		cryptoerror(LOG_STDERR, gettext(
90 		    "no kcfd available to stop - %s."),
91 		    strerror(err));
92 		/*
93 		 * We return with SMF_EXIT_OK because this was a request
94 		 * to stop something that wasn't running.
95 		 */
96 		return (SMF_EXIT_OK);
97 	}
98 
99 	return (SMF_EXIT_OK);
100 }
101