1 /*-
2 * Copyright (c) 2016 Yandex LLC
3 * Copyright (c) 2016 Andrey V. Elsukov <[email protected]>
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
ipsec_status(int s)54 ipsec_status(int s)
55 {
56 uint32_t reqid;
57
58 ifr.ifr_data = (caddr_t)&reqid;
59 #ifndef FSTACK
60 if (ioctl(s, IPSECGREQID, &ifr) == -1)
61 #else
62 size_t offset = (char *)&(ifr.ifr_data) - (char *)&(ifr);
63 size_t clen = sizeof(uint32_t);
64 if (ioctl_va(s, IPSECGREQID, &ifr, 3, offset, ifr.ifr_data, clen) == -1)
65 #endif
66 return;
67 printf("\treqid: %u\n", reqid);
68 }
69
70 static
DECL_CMD_FUNC(setreqid,val,arg)71 DECL_CMD_FUNC(setreqid, val, arg)
72 {
73 char *ep;
74 uint32_t v;
75
76 v = strtoul(val, &ep, 0);
77 if (*ep != '\0') {
78 warn("Invalid reqid value %s", val);
79 return;
80 }
81 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
82 ifr.ifr_data = (char *)&v;
83 #ifndef FSTACK
84 if (ioctl(s, IPSECSREQID, &ifr) == -1) {
85 #else
86 size_t offset = (char *)&(ifr.ifr_data) - (char *)&(ifr);
87 size_t clen = sizeof(uint32_t);
88 if (ioctl_va(s, IPSECGREQID, &ifr, 3, offset, ifr.ifr_data, clen) == -1) {
89 #endif
90
91 warn("ioctl(IPSECSREQID)");
92 return;
93 }
94 }
95
96 static struct cmd ipsec_cmds[] = {
97 DEF_CMD_ARG("reqid", setreqid),
98 };
99
100 static struct afswtch af_ipsec = {
101 .af_name = "af_ipsec",
102 .af_af = AF_UNSPEC,
103 .af_other_status = ipsec_status,
104 };
105
106 static __constructor void
107 ipsec_ctor(void)
108 {
109 size_t i;
110
111 for (i = 0; i < nitems(ipsec_cmds); i++)
112 cmd_register(&ipsec_cmds[i]);
113 af_register(&af_ipsec);
114 #undef N
115 }
116