source: bootscripts-standard/bootscripts/clfs/sysconfig/network-devices/ifdown @ 2167cfe

Last change on this file since 2167cfe was 2167cfe, checked in by William Harrington <kb0iic@…>, 10 years ago

bootscripts are the scripts used for the sysvinit book.

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1#!/bin/bash
2########################################################################
3# Begin $network_devices/ifdown
4#
5# Description : Interface Down
6#
7# Authors     : Nathan Coulson - nathan@linuxfromscratch.org
8#               Kevin P. Fleming - kpfleming@linuxfromscratch.org
9#
10# Version     : 00.01
11#
12# Notes       : the IFCONFIG variable is passed to the scripts found
13#               in the services directory, to indicate what file the
14#               service should source to get environmental variables.
15#
16########################################################################
17
18. /etc/sysconfig/rc
19. ${rc_functions} 
20
21# Collect a list of configuration files for our interface
22if [ -n "${2}" ]; then
23        for file in ${@#$1}; do # All parameters except $1
24                FILES="${FILES} ${network_devices}/ifconfig.${1}/${file}"
25        done
26elif [ -d "${network_devices}/ifconfig.${1}" ]; then
27        FILES=`echo ${network_devices}/ifconfig.${1}/*`
28else
29        FILES="${network_devices}/ifconfig.${1}"
30fi
31
32# Reverse the order configuration files are processed in
33for file in ${FILES}; do
34        FILES2="${file} ${FILES2}"
35done
36FILES=${FILES2}
37
38# Process each configuration file
39for file in ${FILES}; do
40        # skip backup files
41        if [ "${file}" != "${file%""~""}" ]; then
42                continue
43        fi
44
45        if [ ! -f "${file}" ]; then
46                boot_mesg "${file} is not a network configuration file or directory." ${WARNING}
47                echo_warning
48                continue
49        fi
50        (
51                . ${file}
52
53                # Will not process this service if started by boot, and ONBOOT
54                # is not set to yes
55                if [ "${IN_BOOT}" = "1" -a "${ONBOOT}" != "yes" ]; then
56                        continue
57                fi
58
59                # Will not process this service if started by hotplug, and
60                # ONHOTPLUG is not set to yes
61                if [ "${IN_HOTPLUG}" = "1" -a "${ONHOTPLUG}" != "yes" ]; then
62                        continue
63                fi
64               
65                # This will allow us to assign subinterfaces to our primary
66                if [ "${INTERFACE}" != "" ]; then
67                        NET_IF=${INTERFACE}
68                else
69                        NET_IF=${1}
70                fi
71
72                # This will run the service script, if SERVICE is set
73                if [ "${INTERFACE}" = "" ]; then
74                        if [ -n "${SERVICE}" -a -x "${network_devices}/services/${SERVICE}" ]; then
75                                TEST="`ip addr show ${NET_IF} | grep inet | grep ${NET_IF} | cut -f1 -d'/' | cut -f2 -d't' | cut -f2 -d' '`"
76                                if [ -z "$TEST" ]; then
77                                        boot_mesg "Interface ${NET_IF} already disabled." ${WARNING}
78                                        echo_warning
79                                        continue
80                                else
81                                        if ip link show ${NET_IF} > /dev/null 2>&1; then
82                                                IFCONFIG=${file} ${network_devices}/services/${SERVICE} ${NET_IF} down
83                                        else
84                                                boot_mesg "Interface ${NET_IF} doesn't exist." ${WARNING}
85                                                echo_warning
86                                        fi
87                                fi
88                        else
89                                boot_mesg -n "Unable to process ${file}.  Either" ${FAILURE}
90                                boot_mesg -n " the SERVICE variable was not set,"
91                                boot_mesg " or the specified service cannot be executed."
92                                echo_failure
93                                continue
94                        fi
95                fi
96        )
97done
98
99if [ "${INTERFACE}" = "" ]; then
100        if [ -z "${2}" ]; then
101                boot_mesg "Bringing down the ${1} interface..."
102                ip link set ${1} down
103                evaluate_retval
104        fi
105fi
106
107# End $network_devices/ifdown
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