xref: /freebsd/sbin/ifconfig/ifipsec.c (revision 848ee2a3a8b47c9905fc51fefcf60eb371edbb98)
1 /*-
2  * Copyright (c) 2016 Yandex LLC
3  * Copyright (c) 2016 Andrey V. Elsukov <ae@FreeBSD.org>
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  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <sys/param.h>
32 #include <sys/ioctl.h>
33 #include <sys/socket.h>
34 #include <sys/sockio.h>
35 #include <sys/stdint.h>
36 
37 #include <stdlib.h>
38 #include <unistd.h>
39 
40 #include <net/ethernet.h>
41 #include <net/if.h>
42 #include <net/if_ipsec.h>
43 #include <net/route.h>
44 
45 #include <ctype.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <err.h>
49 #include <errno.h>
50 
51 #include "ifconfig.h"
52 
53 static void
54 ipsec_status(int s)
55 {
56 	uint32_t reqid;
57 
58 	ifr.ifr_data = (caddr_t)&reqid;
59 	if (ioctl(s, IPSECGREQID, &ifr) == -1)
60 		return;
61 	printf("\treqid: %u\n", reqid);
62 }
63 
64 static
65 DECL_CMD_FUNC(setreqid, val, arg)
66 {
67 	char *ep;
68 	uint32_t v;
69 
70 	v = strtoul(val, &ep, 0);
71 	if (*ep != '\0') {
72 		warn("Invalid reqid value %s", val);
73 		return;
74 	}
75 	strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
76 	ifr.ifr_data = (char *)&v;
77 	if (ioctl(s, IPSECSREQID, &ifr) == -1) {
78 		warn("ioctl(IPSECSREQID)");
79 		return;
80 	}
81 }
82 
83 static struct cmd ipsec_cmds[] = {
84 	DEF_CMD_ARG("reqid",		setreqid),
85 };
86 
87 static struct afswtch af_ipsec = {
88 	.af_name	= "af_ipsec",
89 	.af_af		= AF_UNSPEC,
90 	.af_other_status = ipsec_status,
91 };
92 
93 static __constructor void
94 ipsec_ctor(void)
95 {
96 	size_t i;
97 
98 	for (i = 0; i < nitems(ipsec_cmds); i++)
99 		cmd_register(&ipsec_cmds[i]);
100 	af_register(&af_ipsec);
101 #undef N
102 }
103