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1 #!/bin/sh
2 #
3 #    tnlup - tunnel configuration script
4 #    Copyright (C) 1999, 2000  Arkadiusz Mi¶kiewicz <misiek@pld-linux.org>
5 #
6 #    This program is free software; you can redistribute it and/or modify
7 #    it under the terms of the GNU General Public License as published by
8 #    the Free Software Foundation; either version 2 of the License, or
9 #    (at your option) any later version.
10 #
11 #    This program is distributed in the hope that it will be useful,
12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 #    GNU General Public License for more details.
15 #
16 #    You should have received a copy of the GNU General Public License
17 #    along with this program; if not, write to the Free Software
18 #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 #
20 #    $Id$
21 #
22
23 . /etc/sysconfig/network
24 . /etc/rc.d/init.d/functions
25 . /etc/sysconfig/network-scripts/functions.network
26
27 DEV=$1
28
29 [ -z "$DEV" ] && {
30     nls "Usage: %s <device name>" "tnlup" >&2
31     exit 1
32 }
33
34 TNLCONFIGS=$(ls /etc/sysconfig/interfaces/tnlcfg-*|egrep -v '~$')
35 TNLCONFIGS=$(egrep -L '^#!' $TNLCONFIGS)
36 CONFIG=$(egrep -l "^DEVICE=[\"\']*$DEV[\"\']*\$" $TNLCONFIGS)
37
38 if [ -z "$CONFIG" ]; then
39     CONFIG="$DEV"
40 fi
41
42 if false; then
43 [ -f "/etc/sysconfig/interfaces/$CONFIG" ] || CONFIG=tnlcfg-$CONFIG
44 [ -f "/etc/sysconfig/interfaces/$CONFIG" ] || {
45     echo "usage: tnlup <device name>" >&2
46     exit 1
47 }
48 fi
49
50 source_config
51
52 if [ "foo$2" = "fooboot" -a -n "${ONBOOT}" ] && is_no "${ONBOOT}"; then
53         exit
54 fi
55
56 case "${MODE}" in
57         sit|four)
58                 is_no "${IPV6_NETWORKING}" && exit 0
59                 is_no "${IPV6_TUNNELCONFIG}" && exit 0
60                 [ "${MODE}" = "four" ] && is_module "fourtun" && modprobe -s -k fourtun
61                 ;;
62         ipip)
63                 is_no "${IPV4_NETWORKING}" && exit 0
64                 is_module "ipip" && modprobe -s -k ipip
65                 ;;
66         gre)
67                 is_no "${IPV4_NETWORKING}" && exit 0
68                 is_module "ip_gre" && modprobe -s -k ip_gre
69                 ;;
70         ipxip|ipipx)
71                 is_no "${IPX}" && exit 0
72                 ;;
73 esac
74
75 RESULT=0
76 [ -z "${LOCALADDR}" ] && LOCALADDR=any
77 [ -z "${REMOTEADDR}" ] && REMOTEADDR=any
78 [ -n "${TTL}" ] && TTL="ttl ${TTL}"
79 [ -n "${TOS}" ] && TOS="tos ${TOS}"
80 [ -n "${BIND_DEV}" ] && BIND_DEV="dev ${BIND_DEV}"
81 [ -n "${PRIORITY}" ] && PRIORITY="priority ${PRIORITY}"
82 [ -n "${HOPLIMIT}" ] && HOPLIMIT="hoplimit ${HOPLIMIT}"
83 [ -n "${ENCAPLIMIT}" ] && ENCAPLIMIT="encaplimit ${ENCAPLIMIT}"
84
85 if is_yes "${SEQ}"; then
86         SEQ=seq
87 else
88         is_yes "${ISEQ}" && SEQ=iseq
89         is_yes "${OSEQ}" && SEQ="${SEQ} oseq"
90 fi
91
92 if is_yes "${CSUM}"; then
93         CSUM=csum
94 else
95         is_yes "${ICSUM}" && CSUM=icsum
96         is_yes "${ICSUM}" && CSUM="${SEQ} ocsum"
97 fi
98
99 is_yes "${ISEQ}" && ISEQ=iseq
100
101 [ -z "${PMTUDISC}" -a "${TTL}" != "0" -a "${TTL}" != "inherit" ] && PMTUDISC=yes
102
103 if is_yes "${PMTUDISC}"; then
104         PMTUDISC=pmtudisc
105 elif is_no "${PMTUDISC}"; then
106         PMTUDISC=nopmtudisc
107 fi
108
109 if [ -n "${KEY}" ]; then
110 IKEY=""
111 OKEY=""
112 fi
113
114 case "${MODE}" in
115         ipip|sit)
116                 ip tunnel add ${DEVICE} mode ${MODE} local ${LOCALADDR} remote ${REMOTEADDR} ${TTL} ${TOS} ${PMTUDISC} ${BIND_DEV}
117                 RESULT=$?
118                 ;;
119         gre)
120                 ip tunnel add ${DEVICE} mode ${MODE} local ${LOCALADDR} remote ${REMOTEADDR} ${TTL} ${TOS} ${PMTUDISC} ${BIND_DEV} ${CSUM} ${ISEQ} ${KEY} ${IKEY} ${OKEY}
121                 RESULT=$?
122                 ;;
123         fourtun)
124                 fourcfg add ${DEVICE} saddr ${LOCALADDR} daddr ${REMOTEADDR} ${PRIORITY} ${HOPLIMIT} ${ENCAPLIMIT}
125                 RESULT=$?
126                 ;;
127         ipxip|ipipx)
128                 ;;
129 esac
130
131 exit $RESULT
132
133 # This must be last line !
134 # vi:syntax=sh:tw=78:ts=8:sw=4
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