path: root/scripts/pppoe-start (plain)
blob: 63501f62399a52d705685faf3c77d1b6b6ccfc7d

1	#!/bin/sh
2	# ../scripts/pppoe-start. Generated from pppoe-start.in by configure.
3	#***********************************************************************
4	#
5	# pppoe-start
6	#
7	# Shell script to bring up a PPPoE connection
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-start [config_file]
19	# pppoe-start 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
26	prefix=/usr
27	exec_prefix=${prefix}
28
29	# Paths to programs
30	CONNECT=${exec_prefix}/sbin/pppoe-connect
31	ECHO=/bin/echo
32	IFCONFIG=/sbin/ifconfig
33
34	# Set to "C" locale so we can parse messages from commands
35	LANG=C
36	export LANG
37
38	# Defaults
39	CONFIG=/etc/ppp/pppoe.conf
40	USER=""
41	ETH=""
42	ME=`basename $0`
43	# Must be root
44	if [ "`/usr/bin/id -u`" != 0 ] ; then
45	$ECHO "$ME: You must be root to run this script" >& 2
46	exit 1
47	fi
48
49	# Debugging
50	if [ "$DEBUG" = "1" ] ; then
51	$ECHO "*** Running in debug mode... please be patient..."
52	DEBUG=/tmp/pppoe-debug-$$
53	export DEBUG
54	mkdir $DEBUG
55	if [ "$?" != 0 ] ; then
56	$ECHO "Could not create directory $DEBUG... exiting"
57	exit 1
58	fi
59	DEBUG=$DEBUG/pppoe-debug.txt
60
61	# Initial debug output
62	$ECHO "---------------------------------------------" > $DEBUG
63	$ECHO "* The following section contains information about your system" >> $DEBUG
64	date >> $DEBUG
65	$ECHO "Output of uname -a" >> $DEBUG
66	uname -a >> $DEBUG
67	$ECHO "---------------------------------------------" >> $DEBUG
68	$ECHO "* The following section contains information about your network" >> $DEBUG
69	$ECHO "* interfaces. The one you chose for PPPoE should contain the words:" >> $DEBUG
70	$ECHO "* 'UP' and 'RUNNING'. If it does not, you probably have an Ethernet" >> $DEBUG
71	$ECHO "* driver problem." >> $DEBUG
72	$ECHO "Output of ifconfig -a" >> $DEBUG
73	$IFCONFIG -a >> $DEBUG
74	$ECHO "---------------------------------------------" >> $DEBUG
75	if [ "`uname -s`" = "Linux" ] ; then
76	$ECHO "* The following section contains information about kernel modules" >> $DEBUG
77	$ECHO "* If the module for your Ethernet card is 'tulip', you might" >> $DEBUG
78	$ECHO "* want to look for an updated version at http://www.scyld.com" >> $DEBUG
79	$ECHO "Output of lsmod" >> $DEBUG
80	lsmod >> $DEBUG
81	$ECHO "---------------------------------------------" >> $DEBUG
82	fi
83	$ECHO "* The following section lists your routing table." >> $DEBUG
84	$ECHO "* If you have an entry which starts with '0.0.0.0', you probably" >> $DEBUG
85	$ECHO "* have defined a default route and gateway, and pppd will" >> $DEBUG
86	$ECHO "* not create a default route using your ISP. Try getting" >> $DEBUG
87	$ECHO "* rid of this route." >> $DEBUG
88	$ECHO "Output of netstat -n -r" >> $DEBUG
89	netstat -n -r >> $DEBUG
90	$ECHO "---------------------------------------------" >> $DEBUG
91	$ECHO "Contents of /etc/resolv.conf" >> $DEBUG
92	$ECHO "* The following section lists DNS setup." >> $DEBUG
93	$ECHO "* If you can browse by IP address, but not name, suspect" >> $DEBUG
94	$ECHO "* a DNS problem." >> $DEBUG
95	cat /etc/resolv.conf >> $DEBUG
96	$ECHO "---------------------------------------------" >> $DEBUG
97	$ECHO "* The following section lists /etc/ppp/options." >> $DEBUG
98	$ECHO "* You should have NOTHING in that file." >> $DEBUG
99	$ECHO "Contents of /etc/ppp/options" >> $DEBUG
100	cat /etc/ppp/options >> $DEBUG 2>/dev/null
101	$ECHO "---------------------------------------------" >> $DEBUG
102	else
103	DEBUG=""
104	fi
105
106	# Sort out command-line arguments
107	case "$#" in
108	1)
109	CONFIG="$1"
110	;;
111	3)
112	CONFIG="$3"
113	;;
114	esac
115
116	if [ ! -f "$CONFIG" -o ! -r "$CONFIG" ] ; then
117	$ECHO "$ME: Cannot read configuration file '$CONFIG'" >& 2
118	exit 1
119	fi
120	export CONFIG
121	. $CONFIG
122
123	# Check for command-line overriding of ETH and USER
124	case "$#" in
125	2|3)
126	ETH="$1"
127	USER="$2"
128	;;
129	esac
130
131	# Check for pidfile
132	if [ -r "$PIDFILE" ] ; then
133	PID=`cat "$PIDFILE"`
134	# Check if still running
135	kill -0 $PID > /dev/null 2>&1
136	if [ $? = 0 ] ; then
137	$ECHO "$ME: There already seems to be a PPPoE connection up (PID $PID)" >& 2
138	exit 1
139	fi
140	# Delete bogus PIDFILE
141	rm -f "$PIDFILE" "$PIDFILE.pppd" "$PIDFILE.pppoe" "$PIDFILE.start"
142	fi
143
144	echo $$ > $PIDFILE.start
145
146	# Start the connection in the background unless we're debugging
147	if [ "$DEBUG" != "" ] ; then
148	$CONNECT "$@"
149	exit 0
150	fi
151
152	$CONNECT "$@" > /dev/null 2>&1 &
153	CONNECT_PID=$!
154
155	if [ "$CONNECT_TIMEOUT" = "" -o "$CONNECT_TIMEOUT" = 0 ] ; then
156	exit 0
157	fi
158
159	# Don't monitor connection if dial-on-demand
160	if [ "$DEMAND" != "" -a "$DEMAND" != "no" ] ; then
161	exit 0
162	fi
163
164	# Monitor connection
165	TIME=0
166	while [ true ] ; do
167	${exec_prefix}/sbin/pppoe-status $CONFIG > /dev/null 2>&1
168
169	# Looks like the interface came up
170	if [ $? = 0 ] ; then
171	# Print newline if standard input is a TTY
172	tty -s && $ECHO " Connected!"
173	exit 0
174	fi
175
176	if test -n "$FORCEPING" ; then
177	printf "%s" "$FORCEPING"
178	else
179	tty -s && printf "%s" "$PING"
180	fi
181	sleep $CONNECT_POLL
182	TIME=`expr $TIME + $CONNECT_POLL`
183	if [ $TIME -gt $CONNECT_TIMEOUT ] ; then
184	break
185	fi
186	done
187
188	$ECHO "TIMED OUT" >& 2
189	# Timed out! Kill the pppoe-connect process and quit
190	kill $CONNECT_PID > /dev/null 2>&1
191
192	# Clean up PIDFILE(s)
193	rm -f "$PIDFILE" "$PIDFILE.pppd" "$PIDFILE.pppoe" "$PIDFILE.start"
194
195	exit 1
196
197