xref: /freebsd/usr.sbin/syslogd/syslogd_cap.c (revision 61a29eca550b80d179934a7198c41ad4d255f81c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2023 The FreeBSD Foundation
5  *
6  * This software was developed by Jake Freeland <jfree@FreeBSD.org>
7  * under sponsorship from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/types.h>
32 #include <sys/socket.h>
33 
34 #include <libcasper.h>
35 #include <string.h>
36 
37 #include <casper/cap_net.h>
38 
39 #include "syslogd_cap.h"
40 
41 /* This is where libcasper receives commands via nvlist. */
42 static int
casper_command(const char * cmd,const nvlist_t * limits __unused,nvlist_t * nvlin,nvlist_t * nvlout)43 casper_command(const char *cmd, const nvlist_t *limits __unused,
44     nvlist_t *nvlin, nvlist_t *nvlout)
45 {
46 	int error = EINVAL;
47 
48 	if (strcmp(cmd, "p_open") == 0)
49 		error = casper_p_open(nvlin, nvlout);
50 	else if (strcmp(cmd, "readconfigfile") == 0)
51 		error = casper_readconfigfile(nvlin, nvlout);
52 	else if (strcmp(cmd, "ttymsg") == 0)
53 		error = casper_ttymsg(nvlin, nvlout);
54 	else if (strcmp(cmd, "wallmsg") == 0)
55 		error = casper_wallmsg(nvlin);
56 
57 	return (error);
58 }
59 
60 CREATE_SERVICE("syslogd.casper", NULL, casper_command, CASPER_SERVICE_STDIO);
61