1 | /*- |
---|
2 | * Copyright (c) 2008 Andrew Thompson. All rights reserved. |
---|
3 | * |
---|
4 | * Redistribution and use in source and binary forms, with or without |
---|
5 | * modification, are permitted provided that the following conditions |
---|
6 | * are met: |
---|
7 | * 1. Redistributions of source code must retain the above copyright |
---|
8 | * notice, this list of conditions and the following disclaimer. |
---|
9 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
10 | * notice, this list of conditions and the following disclaimer in the |
---|
11 | * documentation and/or other materials provided with the distribution. |
---|
12 | * |
---|
13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
---|
14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
---|
15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
---|
16 | * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, |
---|
17 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
---|
18 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
---|
19 | * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
---|
21 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
---|
22 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
---|
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
---|
24 | */ |
---|
25 | |
---|
26 | #ifndef lint |
---|
27 | static const char rcsid[] = |
---|
28 | "$FreeBSD$"; |
---|
29 | #endif |
---|
30 | |
---|
31 | #include <sys/param.h> |
---|
32 | #include <sys/ioctl.h> |
---|
33 | #include <sys/socket.h> |
---|
34 | #include <sys/sockio.h> |
---|
35 | |
---|
36 | #include <stdlib.h> |
---|
37 | #include <unistd.h> |
---|
38 | |
---|
39 | #include <net/ethernet.h> |
---|
40 | #include <net/if.h> |
---|
41 | #ifdef __rtems__ |
---|
42 | #include <freebsd/net/if_gre.h> |
---|
43 | #else |
---|
44 | #include <net/if_gre.h> |
---|
45 | #endif |
---|
46 | #include <net/route.h> |
---|
47 | |
---|
48 | #include <ctype.h> |
---|
49 | #include <stdio.h> |
---|
50 | #include <string.h> |
---|
51 | #include <stdlib.h> |
---|
52 | #include <unistd.h> |
---|
53 | #include <err.h> |
---|
54 | #include <errno.h> |
---|
55 | |
---|
56 | #include "ifconfig.h" |
---|
57 | |
---|
58 | static void gre_status(int s); |
---|
59 | |
---|
60 | static void |
---|
61 | gre_status(int s) |
---|
62 | { |
---|
63 | int grekey = 0; |
---|
64 | |
---|
65 | ifr.ifr_data = (caddr_t)&grekey; |
---|
66 | if (ioctl(s, GREGKEY, &ifr) == 0) |
---|
67 | if (grekey != 0) |
---|
68 | printf("\tgrekey: %d\n", grekey); |
---|
69 | } |
---|
70 | |
---|
71 | static void |
---|
72 | setifgrekey(const char *val, int dummy __unused, int s, |
---|
73 | const struct afswtch *afp) |
---|
74 | { |
---|
75 | uint32_t grekey = atol(val); |
---|
76 | |
---|
77 | strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); |
---|
78 | ifr.ifr_data = (caddr_t)&grekey; |
---|
79 | if (ioctl(s, GRESKEY, (caddr_t)&ifr) < 0) |
---|
80 | warn("ioctl (set grekey)"); |
---|
81 | } |
---|
82 | |
---|
83 | static struct cmd gre_cmds[] = { |
---|
84 | DEF_CMD_ARG("grekey", setifgrekey), |
---|
85 | }; |
---|
86 | static struct afswtch af_gre = { |
---|
87 | .af_name = "af_gre", |
---|
88 | .af_af = AF_UNSPEC, |
---|
89 | .af_other_status = gre_status, |
---|
90 | }; |
---|
91 | |
---|
92 | static __constructor void |
---|
93 | gre_ctor(void) |
---|
94 | { |
---|
95 | #define N(a) (sizeof(a) / sizeof(a[0])) |
---|
96 | size_t i; |
---|
97 | |
---|
98 | for (i = 0; i < N(gre_cmds); i++) |
---|
99 | cmd_register(&gre_cmds[i]); |
---|
100 | af_register(&af_gre); |
---|
101 | #undef N |
---|
102 | } |
---|