| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
1 | /* $NetBSD: tap.c,v 1.1 2008/08/17 13:20:57 plunky Exp $ */ | | 1 | /* $NetBSD: tap.c,v 1.1.6.1 2009/03/18 05:14:04 snj Exp $ */ |
2 | | | 2 | |
3 | /*- | | 3 | /*- |
4 | * Copyright (c) 2008 Iain Hibbert | | 4 | * Copyright (c) 2008 Iain Hibbert |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
| @@ -16,81 +16,82 @@ | | | @@ -16,81 +16,82 @@ |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | | 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 | | 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | | 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | | 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | | 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | | 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 | | 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | | 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 | | 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. | | 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | */ | | 26 | */ |
27 | | | 27 | |
28 | #include <sys/cdefs.h> | | 28 | #include <sys/cdefs.h> |
29 | __RCSID("$NetBSD: tap.c,v 1.1 2008/08/17 13:20:57 plunky Exp $"); | | 29 | __RCSID("$NetBSD: tap.c,v 1.1.6.1 2009/03/18 05:14:04 snj Exp $"); |
30 | | | 30 | |
31 | #include <sys/ioctl.h> | | 31 | #include <sys/ioctl.h> |
32 | #include <sys/uio.h> | | 32 | #include <sys/uio.h> |
33 | | | 33 | |
34 | #include <net/if_dl.h> | | 34 | #include <net/if_dl.h> |
35 | #include <net/if_tap.h> | | 35 | #include <net/if_tap.h> |
36 | | | 36 | |
37 | #include <fcntl.h> | | 37 | #include <fcntl.h> |
38 | #include <unistd.h> | | 38 | #include <unistd.h> |
39 | #include <util.h> | | 39 | #include <util.h> |
40 | | | 40 | |
41 | #include "btpand.h" | | 41 | #include "btpand.h" |
42 | | | 42 | |
43 | static bool tap_send(channel_t *, packet_t *); | | 43 | static bool tap_send(channel_t *, packet_t *); |
44 | static bool tap_recv(packet_t *); | | 44 | static bool tap_recv(packet_t *); |
45 | | | 45 | |
46 | void | | 46 | void |
47 | tap_init(void) | | 47 | tap_init(void) |
48 | { | | 48 | { |
49 | channel_t *chan; | | 49 | channel_t *chan; |
50 | struct sockaddr_dl *sdl; | | 50 | struct sockaddr_dl *sdl; |
51 | struct ifaliasreq ifra; | | 51 | struct if_laddrreq iflr; |
52 | struct ifreq ifr; | | 52 | struct ifreq ifr; |
53 | int fd, s; | | 53 | int fd, s; |
54 | | | 54 | |
55 | fd = open(interface_name, O_RDWR); | | 55 | fd = open(interface_name, O_RDWR); |
56 | if (fd == -1) { | | 56 | if (fd == -1) { |
57 | log_err("Could not open \"%s\": %m", interface_name); | | 57 | log_err("Could not open \"%s\": %m", interface_name); |
58 | exit(EXIT_FAILURE); | | 58 | exit(EXIT_FAILURE); |
59 | } | | 59 | } |
60 | | | 60 | |
61 | memset(&ifr, 0, sizeof(ifr)); | | 61 | memset(&ifr, 0, sizeof(ifr)); |
62 | if (ioctl(fd, TAPGIFNAME, &ifr) == -1) { | | 62 | if (ioctl(fd, TAPGIFNAME, &ifr) == -1) { |
63 | log_err("Could not get interface name: %m"); | | 63 | log_err("Could not get interface name: %m"); |
64 | exit(EXIT_FAILURE); | | 64 | exit(EXIT_FAILURE); |
65 | } | | 65 | } |
66 | | | 66 | |
67 | s = socket(PF_LINK, SOCK_DGRAM, 0); | | 67 | s = socket(PF_LINK, SOCK_DGRAM, 0); |
68 | if (s == -1) { | | 68 | if (s == -1) { |
69 | log_err("Could not open PF_LINK socket: %m"); | | 69 | log_err("Could not open PF_LINK socket: %m"); |
70 | exit(EXIT_FAILURE); | | 70 | exit(EXIT_FAILURE); |
71 | } | | 71 | } |
72 | | | 72 | |
73 | memset(&ifra, 0, sizeof(ifra)); | | 73 | memset(&iflr, 0, sizeof(iflr)); |
74 | memcpy(ifra.ifra_name, ifr.ifr_name, IFNAMSIZ); | | 74 | memcpy(iflr.iflr_name, ifr.ifr_name, IFNAMSIZ); |
| | | 75 | iflr.flags = IFLR_ACTIVE; |
75 | | | 76 | |
76 | sdl = satosdl(&ifra.ifra_addr); | | 77 | sdl = satosdl(sstosa(&iflr.addr)); |
77 | sdl->sdl_family = AF_LINK; | | 78 | sdl->sdl_family = AF_LINK; |
78 | sdl->sdl_len = sizeof(struct sockaddr_dl); | | 79 | sdl->sdl_len = sizeof(struct sockaddr_dl); |
79 | sdl->sdl_alen = ETHER_ADDR_LEN; | | 80 | sdl->sdl_alen = ETHER_ADDR_LEN; |
80 | b2eaddr(LLADDR(sdl), &local_bdaddr); | | 81 | b2eaddr(LLADDR(sdl), &local_bdaddr); |
81 | | | 82 | |
82 | if (ioctl(s, SIOCSIFPHYADDR, &ifra) == -1) { | | 83 | if (ioctl(s, SIOCALIFADDR, &iflr) == -1) { |
83 | log_err("Could not set %s physical address: %m", ifra.ifra_name); | | 84 | log_err("Could not add %s link address: %m", iflr.iflr_name); |
84 | exit(EXIT_FAILURE); | | 85 | exit(EXIT_FAILURE); |
85 | } | | 86 | } |
86 | | | 87 | |
87 | if (ioctl(s, SIOCGIFFLAGS, &ifr) == -1) { | | 88 | if (ioctl(s, SIOCGIFFLAGS, &ifr) == -1) { |
88 | log_err("Could not get interface flags: %m"); | | 89 | log_err("Could not get interface flags: %m"); |
89 | exit(EXIT_FAILURE); | | 90 | exit(EXIT_FAILURE); |
90 | } | | 91 | } |
91 | | | 92 | |
92 | if ((ifr.ifr_flags & IFF_UP) == 0) { | | 93 | if ((ifr.ifr_flags & IFF_UP) == 0) { |
93 | ifr.ifr_flags |= IFF_UP; | | 94 | ifr.ifr_flags |= IFF_UP; |
94 | | | 95 | |
95 | if (ioctl(s, SIOCSIFFLAGS, &ifr) == -1) { | | 96 | if (ioctl(s, SIOCSIFFLAGS, &ifr) == -1) { |
96 | log_err("Could not set IFF_UP: %m"); | | 97 | log_err("Could not set IFF_UP: %m"); |