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1#!/bin/sh
2# ../scripts/pppoe-connect. Generated from pppoe-connect.in by configure.
3#***********************************************************************
4#
5# pppoe-connect
6#
7# Shell script to connect to a PPPoE provider
8#
9# Copyright (C) 2000 Roaring Penguin Software Inc.
10#
11# $Id$
12#
13# This file may be distributed under the terms of the GNU General
14# Public License.
15#
16# LIC: GPL
17#
18# Usage: pppoe-connect [config_file]
19# pppoe-connect interface user [config_file]
20# Second form overrides USER and ETH from config file.
21# If config_file is omitted, defaults to /etc//ppp/pppoe.conf
22#
23#***********************************************************************
24
25# From AUTOCONF
26prefix=/usr
27exec_prefix=${prefix}
28localstatedir=/var
29
30# Paths to programs
31IFCONFIG=/sbin/ifconfig
32PPPD=pppd
33SETSID=/usr/bin/setsid
34PPPOE=${exec_prefix}/sbin/pppoe
35LOGGER="/usr/bin/logger -t `basename $0`"
36
37# Set to "C" locale so we can parse messages from commands
38LANG=C
39export LANG
40
41# Must be root
42if test "`/usr/bin/id -u`" != 0 ; then
43 echo "$0: You must be root to run this script" >& 2
44 exit 1
45fi
46
47if test "$SETSID" != "" -a ! -x "$SETSID"; then
48 SETSID=""
49fi
50
51CONFIG=/etc//ppp/pppoe.conf
52USER=""
53ETH=""
54
55# Sort out command-line arguments
56case "$#" in
57 1)
58 CONFIG="$1"
59 ;;
60 3)
61 CONFIG="$3"
62 ;;
63esac
64
65if test ! -f "$CONFIG" -o ! -r "$CONFIG" ; then
66 echo "$0: Cannot read configuration file '$CONFIG'" >& 2
67 exit 1
68fi
69export CONFIG
70. $CONFIG
71
72PPPOE_PIDFILE="$PIDFILE.pppoe"
73PPPD_PIDFILE="$PIDFILE.pppd"
74
75# Check for command-line overriding of ETH and USER
76case "$#" in
77 2|3)
78 ETH="$1"
79 USER="$2"
80 ;;
81esac
82
83# Check that config file is sane
84if test "$USER" = "" ; then
85 echo "$0: Check '$CONFIG' -- no setting for USER" >& 2
86 exit 1
87fi
88if test "$ETH" = "" ; then
89 echo "$0: Check '$CONFIG' -- no setting for ETH" >& 2
90 exit 1
91fi
92
93PPPD_PID=0
94
95# Catch common error
96if test "$DEBUG" = "1" ; then
97 echo "*** If you want to use DEBUG, invoke pppoe-start, not pppoe-connect."
98 exit 1
99fi
100
101if test "$DEBUG" != "" ; then
102 if test "$LINUX_PLUGIN" != "" ; then
103 echo "Cannot use DEBUG mode and LINUX_PLUGIN at the same time."
104 echo "Kernel-mode PPPoE is experimental and unsupported."
105 exit 1
106 fi
107 echo "* The following section identifies your Ethernet interface" >> $DEBUG
108 echo "* and user name. Some ISP's need 'username'; others" >> $DEBUG
109 echo "* need 'username@isp.com'. Try both" >> $DEBUG
110 echo "ETH=$ETH; USER=$USER" >> $DEBUG
111 echo "---------------------------------------------" >> $DEBUG
112fi
113
114# MTU of Ethernet card attached to modem MUST be 1500. This apparently
115# fails on some *BSD's, so we'll only do it under Linux
116
117if test `uname -s` = Linux ; then
118 $IFCONFIG $ETH up mtu 1500
119 # For 2.4 kernels. Will fail on 2.2.x, but who cares?
120 modprobe ppp_generic > /dev/null 2>&1
121 modprobe ppp_async > /dev/null 2>&1
122 modprobe ppp_synctty > /dev/null 2>&1
123 if test -n "$LINUX_PLUGIN" ; then
124 modprobe pppox > /dev/null 2>&1
125 modprobe pppoe > /dev/null 2>&1
126 fi
127fi
128
129if test "$SYNCHRONOUS" = "yes" ; then
130 PPPOE_SYNC=-s
131 PPPD_SYNC=sync
132 # Increase the chances of it working on Linux...
133 if test `uname -s` = Linux ; then
134 modprobe n_hdlc > /dev/null 2>&1
135 fi
136else
137 PPPOE_SYNC=""
138 PPPD_SYNC=""
139fi
140
141if test -n "$ACNAME" ; then
142 ACNAME="-C $ACNAME"
143fi
144
145if test -n "$SERVICENAME" ; then
146 SERVICENAMEOPT="-S $SERVICENAME"
147else
148 SERVICENAMEOPT=""
149fi
150
151if test "$CLAMPMSS" = "no" ; then
152 CLAMPMSS=""
153else
154 CLAMPMSS="-m $CLAMPMSS"
155fi
156
157# If DNSTYPE is SERVER, we must use "usepeerdns" option to pppd.
158if test "$DNSTYPE" = "SERVER" ; then
159 PEERDNS=yes
160 USEPEERDNS=yes
161fi
162
163if test "$PEERDNS" = "yes" ; then
164 PEERDNS="usepeerdns"
165else
166 PEERDNS=""
167fi
168
169# Backward config file compatibility -- PEERDNS used to be USEPEERDNS
170if test "$USEPEERDNS" = "yes" ; then
171 PEERDNS="usepeerdns"
172fi
173if test "$USEPEERDNS" = "no" ; then
174 PEERDNS=""
175fi
176
177
178# Backward config file compatibility
179if test "$DEMAND" = "" ; then
180 DEMAND=no
181fi
182
183if test "$DEMAND" = "no" ; then
184 DEMAND=""
185else
186 DEMAND="demand persist idle $DEMAND 10.112.112.112:10.112.112.113 ipcp-accept-remote ipcp-accept-local connect true noipdefault ktune"
187fi
188
189case "$FIREWALL" in
190 STANDALONE)
191 . /etc/ppp/firewall-standalone
192 ;;
193 MASQUERADE)
194 . /etc/ppp/firewall-masq
195 ;;
196esac
197
198# If we're using kernel-mode PPPoE on Linux...
199if test "$LINUX_PLUGIN" != "" ; then
200 PLUGIN_OPTS="plugin $LINUX_PLUGIN nic-$ETH"
201 if test -n "$SERVICENAME" ; then
202 PLUGIN_OPTS="$PLUGIN_OPTS rp_pppoe_service $SERVICENAME"
203 fi
204 modprobe pppoe > /dev/null 2>&1
205fi
206
207if test "$DEFAULTROUTE" != "no" ; then
208 DEFAULTROUTE="defaultroute"
209else
210 DEFAULTROUTE=""
211fi
212
213# Standard PPP options we always use
214PPP_STD_OPTIONS="$PLUGIN_OPTS noipdefault noauth default-asyncmap $DEFAULTROUTE hide-password nodetach $PEERDNS mtu 1492 mru 1492 noaccomp nodeflate nopcomp novj novjccomp user $USER lcp-echo-interval $LCP_INTERVAL lcp-echo-failure $LCP_FAILURE $PPPD_EXTRA"
215
216# Jigger DNS if required...
217if test "$DNSTYPE" = "SERVER" ; then
218 # Sorry, dude...
219 rm -f /etc/resolv.conf
220 ln -s /etc/ppp/resolv.conf /etc/resolv.conf
221elif test "$DNSTYPE" = "SPECIFY" ; then
222 # Sorry, dude...
223 rm -f /etc/resolv.conf
224 echo "nameserver $DNS1" > /etc/resolv.conf
225 if test -n "$DNS2" ; then
226 echo "nameserver $DNS2" >> /etc/resolv.conf
227 fi
228fi
229
230# PPPoE invocation
231PPPOE_CMD="$PPPOE -p $PPPOE_PIDFILE -I $ETH -T $PPPOE_TIMEOUT -U $PPPOE_SYNC $CLAMPMSS $ACNAME $SERVICENAMEOPT $PPPOE_EXTRA"
232if test "$DEBUG" != "" ; then
233 if test "$DEMAND" != "" ; then
234 echo "(Turning off DEMAND for debugging purposes)"
235 DEMAND=""
236 fi
237 echo "* The following section shows the pppd command we will invoke" >> $DEBUG
238 echo "pppd invocation" >> $DEBUG
239 echo "$SETSID $PPPD pty '$PPPOE_CMD' $PPP_STD_OPTIONS $PPPD_SYNC debug" >> $DEBUG
240 echo "---------------------------------------------" >> $DEBUG
241 $SETSID $PPPD pty "$PPPOE_CMD -D $DEBUG-0" \
242 $PPP_STD_OPTIONS \
243 $PPPD_SYNC \
244 debug >> $DEBUG 2>&1
245 echo "---------------------------------------------" >> $DEBUG
246 echo "* The following section is an extract from your log." >> $DEBUG
247 echo "* Look for error messages from pppd, such as" >> $DEBUG
248 echo "* a lack of kernel support for PPP, authentication failure" >> $DEBUG
249 echo "* etc." >> $DEBUG
250 if test -f "/var/log/messages" ; then
251 echo "Extract from /var/log/messages" >> $DEBUG
252 grep 'ppp' /var/log/messages | tail -150 >> $DEBUG
253 elif test -f "/var/adm/messages"; then
254 echo "Extract from /var/adm/messages" >> $DEBUG
255 grep 'ppp' /var/adm/messages | tail -150 >> $DEBUG
256 else
257 echo "Can't find messages file (looked for /var/{log,adm}/messages" >> $DEBUG
258 fi
259 date >> $DEBUG
260 echo "---------------------------------------------" >> $DEBUG
261 echo "* The following section is a dump of the packets" >> $DEBUG
262 echo "* sent and received by rp-pppoe. If you don't see" >> $DEBUG
263 echo "* any output, it's an Ethernet driver problem. If you only" >> $DEBUG
264 echo "* see three PADI packets and nothing else, check your cables" >> $DEBUG
265 echo "* and modem. Make sure the modem lights flash when you try" >> $DEBUG
266 echo "* to connect. Check that your Ethernet card is in" >> $DEBUG
267 echo "* half-duplex, 10Mb/s mode. If all else fails," >> $DEBUG
268 echo "* try using pppoe-sniff." >> $DEBUG
269 echo "rp-pppoe debugging dump" >> $DEBUG
270 cat $DEBUG-0 >> $DEBUG
271 rm -f $DEBUG-0
272 for i in 1 2 3 4 5 6 7 8 9 10 ; do
273 echo ""
274 echo ""
275 echo ""
276 done
277 echo "*** Finished debugging run. Please review the file"
278 echo "*** '$DEBUG' and try to"
279 echo "*** figure out what is going on."
280 echo "***"
281 echo "*** Unfortunately, we can NO LONGER accept debugging"
282 echo "*** output for analysis. Please do not send this to"
283 echo "*** Roaring Penguin; it is too time-consuming for"
284 echo "*** us to deal with all the analyses we have been sent."
285 exit 0
286fi
287
288echo $$ > $PIDFILE
289
290while [ true ] ; do
291 if test "$OVERRIDE_PPPD_COMMAND" != "" ; then
292 $SETSID $OVERRIDE_PPPD_COMMAND &
293 echo "$!" > $PPPD_PIDFILE
294 elif test "$LINUX_PLUGIN" != "" ; then
295 $SETSID $PPPD $PPP_STD_OPTIONS $DEMAND &
296 echo "$!" > $PPPD_PIDFILE
297 else
298 $SETSID $PPPD pty "$PPPOE_CMD" \
299 $PPP_STD_OPTIONS \
300 $DEMAND \
301 $PPPD_SYNC &
302 echo "$!" > $PPPD_PIDFILE
303 fi
304 wait
305
306 if test "$RETRY_ON_FAILURE" = "no" ; then
307 exit
308 fi
309
310 # Run /etc/ppp/pppoe-lost if it exists
311 test -x /etc/ppp/pppoe-lost && /etc/ppp/pppoe-lost
312
313 # Re-establish the connection
314 $LOGGER -p daemon.notice \
315 "PPPoE connection lost; attempting re-connection."
316
317 # Wait a bit in case a problem causes tons of log messages :-)
318 sleep 5
319done
320
generated by cgit at 2024-05-18 04:21:08 (GMT)