| 1 | /* |
1 | /* |
| 2 | device-linux.C -- Interaction with Linux tun/tap device |
2 | device-linux.C -- Interaction with Linux tun/tap device |
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3 | Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> |
| 3 | |
4 | |
| 4 | This program is free software; you can redistribute it and/or modify |
5 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU General Public License as published by |
6 | it under the terms of the GNU General Public License as published by |
| 6 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
| 7 | (at your option) any later version. |
8 | (at your option) any later version. |
| … | |
… | |
| 42 | #include "gettext.h" |
43 | #include "gettext.h" |
| 43 | |
44 | |
| 44 | #include "conf.h" |
45 | #include "conf.h" |
| 45 | |
46 | |
| 46 | #if TEST_ETHEREMU |
47 | #if TEST_ETHEREMU |
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48 | # define IF_istun |
| 47 | # include "ether_emu.C" |
49 | # include "ether_emu.C" |
| 48 | #endif |
50 | #endif |
| 49 | |
51 | |
| 50 | const char * |
52 | const char * |
| 51 | tap_device::info () |
53 | tap_device::info () |
| … | |
… | |
| 62 | fd = open (device, O_RDWR); |
64 | fd = open (device, O_RDWR); |
| 63 | |
65 | |
| 64 | if (fd < 0) |
66 | if (fd < 0) |
| 65 | { |
67 | { |
| 66 | slog (L_ERR, _("could not open device %s: %s"), device, strerror (errno)); |
68 | slog (L_ERR, _("could not open device %s: %s"), device, strerror (errno)); |
| 67 | exit (1); |
69 | exit (EXIT_FAILURE); |
| 68 | } |
70 | } |
| 69 | |
71 | |
| 70 | memset (&ifr, 0, sizeof (ifr)); |
72 | memset (&ifr, 0, sizeof (ifr)); |
| 71 | #if TEST_ETHEREMU |
73 | #if TEST_ETHEREMU |
| 72 | ifr.ifr_flags = IFF_TUN | IFF_NO_PI; |
74 | ifr.ifr_flags = IFF_TUN | IFF_NO_PI; |
| … | |
… | |
| 85 | ifrname [IFNAMSIZ] = 0; |
87 | ifrname [IFNAMSIZ] = 0; |
| 86 | } |
88 | } |
| 87 | else |
89 | else |
| 88 | { |
90 | { |
| 89 | slog (L_CRIT, _("unable to configure tun/tap interface: %s"), strerror (errno)); |
91 | slog (L_CRIT, _("unable to configure tun/tap interface: %s"), strerror (errno)); |
| 90 | exit (1); |
92 | exit (EXIT_FAILURE); |
| 91 | } |
93 | } |
| 92 | |
94 | |
| 93 | if (ioctl (fd, TUNSETPERSIST, conf.ifpersist ? 1 : 0)) |
95 | if (ioctl (fd, TUNSETPERSIST, conf.ifpersist ? 1 : 0)) |
| 94 | slog (L_WARN, _("cannot set persistency mode for device %s: %s"), ifrname, strerror (errno)); |
96 | slog (L_WARN, _("cannot set persistency mode for device %s: %s"), ifrname, strerror (errno)); |
| 95 | |
97 | |
