1d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA/* 2d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * Copyright (C)2006 USAGI/WIDE Project 3ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger * 4d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * This program is free software; you can redistribute it and/or modify 5d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * it under the terms of the GNU General Public License as published by 6d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * the Free Software Foundation; either version 2 of the License, or 7d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * (at your option) any later version. 8ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger * 9d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * This program is distributed in the hope that it will be useful, 10d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * but WITHOUT ANY WARRANTY; without even the implied warranty of 11d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * GNU General Public License for more details. 13ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger * 14d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * You should have received a copy of the GNU General Public License 15d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * along with this program; if not, write to the Free Software 16d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA */ 18d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA/* 19d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * split from ip_tunnel.c 20d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA */ 21d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA/* 22d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * Author: 23d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA * Masahide NAKAMURA @USAGI 24d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA */ 25d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 26d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <stdio.h> 27d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <string.h> 28d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <unistd.h> 293979ef91de9ed17d21672aaaefd6c228485135a2Alexandre Cassen#include <errno.h> 30d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <sys/types.h> 31d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <sys/socket.h> 32d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <sys/ioctl.h> 33d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <netinet/in.h> 34d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <linux/if.h> 35d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <linux/ip.h> 36d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include <linux/if_tunnel.h> 37d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 38d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include "utils.h" 39d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA#include "tunnel.h" 40d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 41d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURAconst char *tnl_strproto(__u8 proto) 42d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA{ 43d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA static char buf[16]; 44d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 45d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA switch (proto) { 46d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA case IPPROTO_IPIP: 47d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strcpy(buf, "ip"); 48d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA break; 49d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA case IPPROTO_GRE: 50d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strcpy(buf, "gre"); 51d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA break; 52d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA case IPPROTO_IPV6: 53d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strcpy(buf, "ipv6"); 54d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA break; 550b959b0f4dcb9c905fb1b7f60d39d9e284e77eeaYOSHIFUJI Hideaki / 吉藤英明 case 0: 560b959b0f4dcb9c905fb1b7f60d39d9e284e77eeaYOSHIFUJI Hideaki / 吉藤英明 strcpy(buf, "any"); 570b959b0f4dcb9c905fb1b7f60d39d9e284e77eeaYOSHIFUJI Hideaki / 吉藤英明 break; 58d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA default: 59d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strcpy(buf, "unknown"); 60d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA break; 61d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA } 62d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 63d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA return buf; 64d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA} 65d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 66d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURAint tnl_get_ioctl(const char *basedev, void *p) 67d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA{ 68d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA struct ifreq ifr; 69d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int fd; 70d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int err; 71d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 72d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strncpy(ifr.ifr_name, basedev, IFNAMSIZ); 73d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA ifr.ifr_ifru.ifru_data = (void*)p; 74d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA fd = socket(preferred_family, SOCK_DGRAM, 0); 75d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA err = ioctl(fd, SIOCGETTUNNEL, &ifr); 76d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA if (err) 77ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger fprintf(stderr, "get tunnel %s failed: %s\n", basedev, 78ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger strerror(errno)); 79ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger 80d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA close(fd); 81d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA return err; 82d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA} 83d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 84d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURAint tnl_add_ioctl(int cmd, const char *basedev, const char *name, void *p) 85d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA{ 86d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA struct ifreq ifr; 87d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int fd; 88d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int err; 89d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 90d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA if (cmd == SIOCCHGTUNNEL && name[0]) 91d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strncpy(ifr.ifr_name, name, IFNAMSIZ); 92d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA else 93d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strncpy(ifr.ifr_name, basedev, IFNAMSIZ); 94d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA ifr.ifr_ifru.ifru_data = p; 95d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA fd = socket(preferred_family, SOCK_DGRAM, 0); 96d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA err = ioctl(fd, cmd, &ifr); 97d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA if (err) 98ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger fprintf(stderr, "add tunnel %s failed: %s\n", ifr.ifr_name, 99ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger strerror(errno)); 100d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA close(fd); 101d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA return err; 102d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA} 103d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 104d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURAint tnl_del_ioctl(const char *basedev, const char *name, void *p) 105d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA{ 106d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA struct ifreq ifr; 107d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int fd; 108d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA int err; 109d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA 110d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA if (name[0]) 111d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strncpy(ifr.ifr_name, name, IFNAMSIZ); 112d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA else 113d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA strncpy(ifr.ifr_name, basedev, IFNAMSIZ); 114ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger 115d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA ifr.ifr_ifru.ifru_data = p; 116d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA fd = socket(preferred_family, SOCK_DGRAM, 0); 117d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA err = ioctl(fd, SIOCDELTUNNEL, &ifr); 118d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA if (err) 119ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger fprintf(stderr, "delete tunnel %s failed: %s\n", 120ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger ifr.ifr_name, strerror(errno)); 121d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA close(fd); 122d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA return err; 123d9bd1bd945b12b52e7825aa2742fa15ffa09651aMasahide NAKAMURA} 124a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak 125ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemmingerstatic int tnl_gen_ioctl(int cmd, const char *name, 126ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger void *p, int skiperr) 127a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak{ 128a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak struct ifreq ifr; 129a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak int fd; 130a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak int err; 131a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak 132a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak strncpy(ifr.ifr_name, name, IFNAMSIZ); 133a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak ifr.ifr_ifru.ifru_data = p; 134a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak fd = socket(preferred_family, SOCK_DGRAM, 0); 135a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak err = ioctl(fd, cmd, &ifr); 1363979ef91de9ed17d21672aaaefd6c228485135a2Alexandre Cassen if (err && errno != skiperr) 137ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger fprintf(stderr, "%s: ioctl %x failed: %s\n", name, 138ea71beacacb9ebf756bbc250c71df59ec2f46243Stephen Hemminger cmd, strerror(errno)); 139a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak close(fd); 140a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak return err; 141a07e9912539d4ec26c954a9b03f04af987df6246Sascha Hlusiak} 142b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen 143b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassenint tnl_prl_ioctl(int cmd, const char *name, void *p) 144b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen{ 1453979ef91de9ed17d21672aaaefd6c228485135a2Alexandre Cassen return tnl_gen_ioctl(cmd, name, p, -1); 146b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen} 147b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen 148b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassenint tnl_6rd_ioctl(int cmd, const char *name, void *p) 149b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen{ 1503979ef91de9ed17d21672aaaefd6c228485135a2Alexandre Cassen return tnl_gen_ioctl(cmd, name, p, -1); 151b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen} 152b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen 153b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassenint tnl_ioctl_get_6rd(const char *name, void *p) 154b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen{ 1553979ef91de9ed17d21672aaaefd6c228485135a2Alexandre Cassen return tnl_gen_ioctl(SIOCGET6RD, name, p, EINVAL); 156b88215c4689d94628d3aa0ac112c290b6373860aAlexandre Cassen} 157