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network.subr (110746) network.subr (113674)
1#!/bin/sh -x
2#
1#
3# $FreeBSD: head/etc/network.subr 110746 2003-02-12 04:26:10Z imp $
2# Copyright (c) 2003 The FreeBSD Project. All rights reserved.
4#
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions
6# are met:
7# 1. Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9# 2. Redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution.
12#
13# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
14# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
17# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23# SUCH DAMAGE.
24#
25# $FreeBSD: head/etc/network.subr 113674 2003-04-18 17:51:54Z mtm $
26#
5
27
6# PROVIDE: network1
7# REQUIRE: atm1 ipfilter mountcritlocal pccard serial sppp sysctl tty
8# KEYWORD: FreeBSD
28#
29# Subroutines commonly used from network startup scripts.
30# Requires that rc.conf be loaded first.
31#
9
32
10. /etc/rc.subr
33# ifconfig_up if
34# Evaluate ifconfig(8) arguments for interface $if and
35# run ifconfig(8) with those arguments. It returns 0 if
36# arguments were found and executed or 1 if the interface
37# had no arguments.
38#
39ifconfig_up()
40{
41 eval ifconfig_args=\$ifconfig_$1
42 if [ -n "${ifconfig_args}" ]; then
43 ifconfig $1 ${ifconfig_args}
44 return 0
45 fi
46 return 1
47}
11
48
12name="network1"
13start_cmd="network_start"
14stop_cmd="network_stop"
49# ifalias_up if
50# Configure aliases for network interface $if.
51# It returns 0 if at least one alias was configured or
52# 1 if there were none.
53#
54ifalias_up()
55{
56 _ret=1
57 alias=0
58 while : ; do
59 eval ifconfig_args=\$ifconfig_$1_alias${alias}
60 if [ -n "${ifconfig_args}" ]; then
61 ifconfig $1 ${ifconfig_args} alias
62 alias=$((${alias} + 1))
63 _ret=0
64 else
65 break
66 fi
67 done
68 return $_ret
69}
15
70
16convert_host_conf()
71# ifscript_up if
72# Evaluate a startup script for the $if interface.
73# It returns 0 if a script was found and processed or
74# 1 if no script was found.
75#
76ifscript_up()
17{
77{
18 host_conf=$1; shift;
19 nsswitch_conf=$1; shift;
20 awk ' \
21 /^[:blank:]*#/ { next } \
22 /(hosts|local|file)/ { nsswitch[c] = "files"; c++; next } \
23 /(dns|bind)/ { nsswitch[c] = "dns"; c++; next } \
24 /nis/ { nsswitch[c] = "nis"; c++; next } \
25 { printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" } \
26 END { \
27 printf "hosts: "; \
28 for (i in nsswitch) printf "%s ", nsswitch[i]; \
29 printf "\n"; \
30 }' < $host_conf > $nsswitch_conf
78 if [ -r /etc/start_if.$1 ]; then
79 . /etc/start_if.$1
80 return 0
81 fi
82 return 1
31}
32
83}
84
33generate_host_conf()
85# Create cloneable interfaces.
86#
87clone_up()
34{
88{
35 nsswitch_conf=$1; shift;
36 host_conf=$1; shift;
89 _prefix=
90 _list=
91 for ifn in ${cloned_interfaces}; do
92 ifconfig ${ifn} create
93 if $? ; then
94 _list="${_list}${_prefix}${ifn}"
95 [ -z "$_prefix" ] && _prefix=' '
96 fi
97 done
98 debug "Cloned: ${_list}"
99}
37
100
38 awk '
39 BEGIN {
40 xlat["files"] = "hosts";
41 xlat["dns"] = "bind";
42 xlat["nis"] = "nis";
43 cont = 0;
44 }
45 sub(/^[\t ]*hosts:/, "") || cont {
46 if (!cont)
47 srcs = ""
48 sub(/#.*/, "")
49 gsub(/[][]/, " & ")
50 cont = sub(/\\$/, "")
51 srcs = srcs " " $0
52 }
53 END {
54 print "# Auto-generated from nsswitch.conf, do not edit"
55 ns = split(srcs, s)
56 for (n = 1; n <= ns; ++n) {
57 if (s[n] in xlat)
58 print xlat[s[n]]
59 }
60 }
61 ' <$nsswitch_conf >$host_conf
101# Destroy cloned interfaces. Destroyed interfaces are echoed
102# to standard output.
103#
104clone_down()
105{
106 _prefix=
107 _list=
108 for ifn in ${cloned_interfaces}; do
109 ifconfig ${ifn} destroy
110 if $? ; then
111 _list="${_list}${_prefix}${ifn}"
112 [ -z "$_prefix" ] && _prefix=' '
113 fi
114 done
115 debug "Destroyed clones: ${_list}"
62}
63
116}
117
64network_gif_setup() {
118gif_up() {
65 case ${gif_interfaces} in
66 [Nn][Oo] | '')
67 ;;
68 *)
69 for i in ${gif_interfaces}; do
70 eval peers=\$gifconfig_$i
71 case ${peers} in
72 '')

--- 5 unchanged lines hidden (view full) ---

78 ifconfig $i up
79 ;;
80 esac
81 done
82 ;;
83 esac
84}
85
119 case ${gif_interfaces} in
120 [Nn][Oo] | '')
121 ;;
122 *)
123 for i in ${gif_interfaces}; do
124 eval peers=\$gifconfig_$i
125 case ${peers} in
126 '')

--- 5 unchanged lines hidden (view full) ---

132 ifconfig $i up
133 ;;
134 esac
135 done
136 ;;
137 esac
138}
139
86network_start()
140#
141# ipx_up ifn
142# Configure any IPX addresses for interface $ifn. Returns 0 if IPX
143# arguments were found and configured; returns 1 otherwise.
144#
145ipx_up()
87{
146{
88 # set hostname, turn on network
89 #
90 echo -n "Doing initial network setup:"
91
92 # Generate host.conf for compatibility
93 #
94 if [ -f "/etc/nsswitch.conf" ]; then
95 echo -n ' host.conf'
96 generate_host_conf /etc/nsswitch.conf /etc/host.conf
147 ifn="$1"
148 eval ifconfig_args=\$ifconfig_${ifn}_ipx
149 if [ -n "${ifconfig_args}" ]; then
150 ifconfig ${ifn} ${ifconfig_args}
151 return 0
97 fi
152 fi
153 return 1
154}
98
155
99 # Convert host.conf to nsswitch.conf if necessary
100 #
101 if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
102 echo ''
103 echo 'Warning: /etc/host.conf is no longer used'
104 echo ' /etc/nsswitch.conf will be created for you'
105 convert_host_conf /etc/host.conf /etc/nsswitch.conf
106 fi
156#
157# list_net_interfaces type
158# List all network interfaces. The type of interface returned
159# can be controlled by the type argument. The type
160# argument can be any of the following:
161# nodhcp - all interfaces, excluding DHCP configured interfaces
162# dhcp - list only DHCP configured interfaces
163# If no argument is specified all network interfaces are output.
164# Note that the list always includes cloned interfaces.
165#
166list_net_interfaces()
167{
168 type=$1
107
169
108 # Set the host name if it is not already set
170 # Get a list of ALL the interfaces
109 #
171 #
110 if [ -z "`hostname -s`" ]; then
111 hostname ${hostname}
112 echo -n ' hostname'
113 fi
114
115 # Set the domainname if we're using NIS
116 #
117 case ${nisdomainname} in
118 [Nn][Oo]|'')
119 ;;
120 *)
121 domainname ${nisdomainname}
122 echo -n ' domain'
123 ;;
124 esac
125
126 echo '.'
127
128 # Attempt to create cloned interfaces.
129 for ifn in ${cloned_interfaces}; do
130 ifconfig ${ifn} create
131 done
132
133 # gifconfig
134 network_gif_setup
135
136 # Set up all the network interfaces, calling startup scripts if needed
137 #
138 case ${network_interfaces} in
139 [Aa][Uu][Tt][Oo])
172 case ${network_interfaces} in
173 [Aa][Uu][Tt][Oo])
140 network_interfaces="`ifconfig -l`"
174 _tmplist="`ifconfig -l`"
141 ;;
142 *)
175 ;;
176 *)
143 network_interfaces="${network_interfaces} ${cloned_interfaces}"
177 _tmplist="${network_interfaces}"
144 ;;
145 esac
178 ;;
179 esac
180 _tmplist="${_tmplist} ${cloned_interfaces}"
146
181
147 dhcp_interfaces=""
148 for ifn in ${network_interfaces}; do
149 if [ -r /etc/start_if.${ifn} ]; then
150 . /etc/start_if.${ifn}
151 eval showstat_$ifn=1
152 fi
182 if [ -z "$type" ]; then
183 echo $_tmplist
184 return 0
185 fi
153
186
154 # Do the primary ifconfig if specified
155 #
156 eval ifconfig_args=\$ifconfig_${ifn}
157
158 case ${ifconfig_args} in
159 '')
160 ;;
187 # Separate out dhcp and non-dhcp intefraces
188 #
189 _aprefix=
190 _brefix=
191 for _if in ${_tmplist} ; do
192 eval _ifarg="\$ifconfig_${_if}"
193 case "$_ifarg" in
161 [Dd][Hh][Cc][Pp])
194 [Dd][Hh][Cc][Pp])
162 # DHCP inits are done all in one go below
163 dhcp_interfaces="$dhcp_interfaces $ifn"
164 eval showstat_$ifn=1
195 _dhcplist="${_dhcplist}${_aprefix}${_if}"
196 [ -z "$_aprefix" ] && _aprefix=' '
165 ;;
197 ;;
166 *)
167 ifconfig ${ifn} ${ifconfig_args}
168 eval showstat_$ifn=1
198 ''|*)
199 _nodhcplist="${_nodhcplist}${_bprefix}${_if}"
200 [ -z "$_bprefix" ] && _bprefix=' '
169 ;;
170 esac
171 done
172
201 ;;
202 esac
203 done
204
173 if [ ! -z "${dhcp_interfaces}" ]; then
174 ${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
175 fi
176
177 for ifn in ${network_interfaces}; do
178 # Check to see if aliases need to be added
179 #
180 alias=0
181 while : ; do
182 eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
183 if [ -n "${ifconfig_args}" ]; then
184 ifconfig ${ifn} ${ifconfig_args} alias
185 eval showstat_$ifn=1
186 alias=$((${alias} + 1))
187 else
188 break;
189 fi
190 done
191
192 # Do ipx address if specified
193 #
194 eval ifconfig_args=\$ifconfig_${ifn}_ipx
195 if [ -n "${ifconfig_args}" ]; then
196 ifconfig ${ifn} ${ifconfig_args}
197 eval showstat_$ifn=1
198 fi
199 done
200
201 # Display ifconfiged interfaces
202 for ifn in ${network_interfaces}; do
203 eval showstat=\$showstat_${ifn}
204 if [ ! -z ${showstat} ]; then
205 ifconfig ${ifn}
206 fi
207 done
208
209 # Resync ipfilter
210 /etc/rc.d/ipfilter resync
205 case "$type" in
206 nodhcp)
207 echo $_nodhcplist
208 ;;
209 dhcp)
210 echo $_dhcplist
211 ;;
212 esac
213 return 0
211}
214}
212
213network_stop()
214{
215 echo -n "Stopping network:"
216
217 # flush routes
218 #
219 echo -n " flush routes"
220 route -n flush
221
222 echo '.'
223}
224
225load_rc_config $name
226run_rc_command "$1"