pccard_ether revision 118840 
1#!/bin/sh -
2#
3# $FreeBSD: head/etc/pccard_ether 118840 2003-08-12 20:22:44Z mbr $
4#
5# pccard_ether interfacename [start|stop] [ifconfig option]
6#
7# example: pccard_ether fxp0 start link0
8#
9
10. /etc/network.subr
11
12stop_dhcp() {
13	# If dhclient is already running, record
14	# its interfaces.
15	if [ -x /usr/bin/grep ]; then
16		eval _active_list=\"`/bin/ps -axwww | \
17			/usr/bin/grep dhclient | \
18			/usr/bin/grep -v grep | \
19			/usr/bin/sed -e 's|^.*dhclient||' | \
20			/usr/bin/awk '{for (i=1;i<=NF;i++) \
21				{ if ($i~/[a-zA-Z].[0-9]$/) \
22				{ printf(" %s",$i) } }}'` \
23			\"
24	fi
25
26	# Get the rc.conf list of dhcp configured interfaces
27	static_dhcp_list="`list_net_interfaces dhcp`"
28
29	# Get the current ifconfig list of interfaces
30	_aprefix=
31	_nlist=
32	for _if in ${_active_list} ; do
33		_test_if=`ifconfig ${_if} 2>&1`
34		case "$_test_if" in
35		"ifconfig: interface $_if does not exist")
36			;;
37		${interface})
38			# Don't record the same device twice.
39			;;
40		*)
41			#
42			# Catch devices which were specified before,
43			# but have not been part of the rc. We need
44			# them again for the restart.
45			#
46			for _cif in ${static_dhcp_list} ; do
47				case "$_cif" in
48				${_if})
49					# Nothing to add
50					;;
51				*)
52					# Found interface beside rc.conf
53					_nlist="${_nlist}${_aprefix}${_if}"
54					;;
55				esac
56			done
57			_dhcplist="${_dhcplist}${_aprefix}${_if}"
58			[ -z "$_aprefix" ] && _aprefix=' '
59			;;
60		esac
61	done
62
63	if [ -s /var/run/dhclient.${interface}.pid ]; then
64		pidfile="/var/run/dhclient.${interface}.pid"
65	elif [ -s /var/run/dhcpc.${interface}.pid ]; then
66		pidfile="/var/run/dhcpc.${interface}.pid"
67	elif [ -s /var/run/dhclient.pid ]; then
68		pidfile="/var/run/dhclient.pid"
69	else
70		return
71	fi
72	kill `cat ${pidfile}`
73	rm -f ${pidfile}
74	case ${startstop} in
75	[Ss][Tt][Oo][Pp])
76		if [ -z "${_nlist}" ]; then
77			sh `/etc/rc.d/dhclient start`
78		else
79			start_dhcp_keep_current
80		fi
81		;;
82	*)
83		;;
84	esac
85}
86
87start_dhcp() {
88	case ${pccard_ether_delay} in
89	[Nn][Oo])
90		;;
91	[0-9])
92		sleep ${pccard_ether_delay}
93		;;
94        esac
95	stop_dhcp
96	[ -n "$dhcp_program" ] && dhclient_program="$dhcp_program"
97	[ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags"
98	if [ -x "${dhclient_program}" ]; then
99		if [ `basename ${dhclient_program}` = "dhclient" ]; then
100			pidfile="/var/run/dhclient.${interface}.pid"
101			dhclient_flags="${dhclient_flags} -pf ${pidfile}"
102		fi
103		${dhclient_program} ${dhclient_flags}  $_dhcplist ${interface}
104	else
105		echo "${dhclient_program}: DHCP client software not available"
106	fi
107}
108
109# Called after detaching a card, if dhclient has been
110# used for more than one interface.
111start_dhcp_keep_current() {
112	[ -n "$dhcp_program" ] && dhclient_program="$dhcp_program"
113	[ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags"
114	if [ -x "${dhclient_program}" ]; then
115		${dhclient_program} ${dhclient_flags} \
116			${_dhcplist}
117	else
118		echo "${dhclient_program}: DHCP client software not available"
119	fi
120}
121
122# Suck in the configuration variables
123#
124if [ -r /etc/defaults/rc.conf ]; then
125	. /etc/defaults/rc.conf
126	source_rc_confs
127elif [ -r /etc/rc.conf ]; then
128	. /etc/rc.conf
129fi
130
131interface=$1
132shift
133startstop=$1
134shift
135
136case ${pccard_ifconfig} in
137[Nn][Oo] | '')
138	expr "${removable_interfaces}" : ".*${interface}" > /dev/null || exit 0
139	;;
140*)
141	# Backward compatible
142	eval ifconfig_${interface}=\${pccard_ifconfig}
143	;;
144esac
145
146case ${startstop} in
147[Ss][Tt][Aa][Rr][Tt] | '')
148	if [ -x /usr/bin/grep ]; then
149		if ifconfig ${interface} | grep -s UP, > /dev/null 2>&1; then
150		    # Interface is already up, so ignore it.
151		    exit 0
152		fi
153	fi
154
155	if [ -r /etc/start_if.${interface} ]; then
156		. /etc/start_if.${interface}
157	fi
158
159	eval ifconfig_args=\$ifconfig_${interface}
160	case ${ifconfig_args} in
161	[Nn][Oo] | '')
162		;;
163	[Dd][Hh][Cc][Pp])
164		# Start up the DHCP client program
165		start_dhcp
166		;;
167	*)
168		# Do the primary ifconfig if specified
169		ifconfig ${interface} ${ifconfig_args} $*
170
171		# Check to see if aliases need to be added
172		alias=0
173		while :
174		do
175			eval ifx_args=\$ifconfig_${interface}_alias${alias}
176			if [ -n "${ifx_args}" ]; then
177				ifconfig ${interface} ${ifx_args} alias
178				alias=`expr ${alias} + 1`
179			else
180				break;
181			fi
182		done
183
184		# Do ipx address if specified
185		eval ifx_args=\$ifconfig_${interface}_ipx
186		if [ -n "${ifx_args}" ]; then
187			ifconfig ${interface} ${ifx_args}
188		fi
189
190		# Add default route into $static_routes
191		case ${defaultrouter} in
192		[Nn][Oo] | '')
193		        ;;
194		*)
195			static_routes="default ${static_routes}"
196			route_default="default ${defaultrouter}"
197			;;
198		esac
199
200		# Add private route for this interface into $static_routes
201		eval ifx_routes=\$static_routes_${interface}
202		if [ -n "${ifx_routes}" ]; then
203			static_routes="${ifx_routes} ${static_routes}"
204		fi
205
206		# Set up any static routes if specified
207		if [ -n "${static_routes}" ]; then
208			for i in ${static_routes}; do
209				eval route_args=\$route_${i}
210				route add ${route_args}
211			done
212		fi
213		;;
214	esac
215
216	# IPv6 setup
217	case ${ipv6_enable} in
218	[Yy][Ee][Ss])
219		if [ -r /etc/network.subr ]; then
220			. /etc/network.subr
221			network6_interface_setup ${interface}
222		fi
223		;;
224	esac
225	;;
226# Stop the interface
227*)
228	if [ -r /etc/stop_if.${interface} ]; then
229		. /etc/stop_if.${interface}
230	fi
231
232	eval ifconfig_args=\$ifconfig_${interface}
233	case ${ifconfig_args} in
234	[Nn][Oo] | '')
235	        ;;
236	[Dd][Hh][Cc][Pp])
237		# Stop the DHCP client for this interface
238		stop_dhcp
239		;;
240	*)
241		# Delete static route if specified
242		eval ifx_routes=\$static_routes_${interface}
243		if [ -n "${ifx_routes}" ]; then
244			for i in ${ifx_routes}; do
245				eval route_args=\$route_${i}
246				route delete ${route_args}
247			done
248		fi
249
250		# Delete aliases if exist
251		alias=0
252		while :
253		do
254			eval ifx_args=\$ifconfig_${interface}_alias${alias}
255			if [ -n "${ifx_args}" ]; then
256				ifconfig ${interface} ${ifx_args} alias delete
257				alias=`expr ${alias} + 1`
258			else
259				break;
260			fi
261		done
262		;;
263	esac
264
265	# Remove the network interface and cleaning ARP table
266	ifconfig ${interface} delete
267	arp -d -a
268
269	# Clean the routing table
270	case ${removable_route_flush} in
271	[Nn][Oo])
272	        ;;
273	*)	
274		# flush beforehand, just in case....
275		route -n flush -inet
276		;;
277	esac
278	;;
279esac
280