1 | #! /bin/bash |
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2 | # |
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3 | # network Bring up/down networking |
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4 | # |
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5 | # chkconfig: - 10 90 |
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6 | # description: Activates/Deactivates all network interfaces configured to \ |
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7 | # start at boot time. |
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8 | # |
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9 | ### BEGIN INIT INFO |
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10 | # Provides: $network |
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11 | # Should-Start: iptables ip6tables |
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12 | ### END INIT INFO |
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13 | |
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14 | # Source function library. |
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15 | . /etc/init.d/functions |
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16 | |
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17 | if [ ! -f /etc/sysconfig/network ]; then |
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18 | exit 0 |
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19 | fi |
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20 | |
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21 | . /etc/sysconfig/network |
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22 | |
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23 | if [ -f /etc/sysconfig/pcmcia ]; then |
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24 | . /etc/sysconfig/pcmcia |
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25 | fi |
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26 | |
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27 | |
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28 | # Check that networking is up. |
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29 | [ "${NETWORKING}" = "no" ] && exit 0 |
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30 | |
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31 | # if the ip configuration utility isn't around we can't function. |
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32 | [ -x /sbin/ip ] || exit 1 |
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33 | |
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34 | # Even if IPX is configured, without the utilities we can't do much |
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35 | [ ! -x /sbin/ipx_internal_net -o ! -x /sbin/ipx_configure ] && IPX= |
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36 | |
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37 | # Even if VLAN is configured, without the utility we can't do much |
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38 | [ ! -x /sbin/vconfig ] && VLAN= |
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39 | |
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40 | CWD=`pwd` |
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41 | cd /etc/sysconfig/network-scripts |
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42 | |
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43 | . ./network-functions |
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44 | |
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45 | # find all the interfaces besides loopback. |
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46 | # ignore aliases, alternative configurations, and editor backup files |
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47 | interfaces=$(ls ifcfg* | \ |
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48 | LANG=C sed -e "$__sed_discard_ignored_files" \ |
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49 | -e '/\(ifcfg-lo\|:\|ifcfg-.*-range\)/d' \ |
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50 | -e '/ifcfg-[A-Za-z0-9\._-]\+$/ { s/^ifcfg-//g;s/[0-9]/ &/}' | \ |
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51 | LANG=C sort -k 1,1 -k 2n | \ |
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52 | LANG=C sed 's/ //') |
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53 | |
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54 | # See how we were called. |
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55 | case "$1" in |
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56 | start) |
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57 | # IPv6 hook (pre IPv4 start) |
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58 | if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then |
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59 | /etc/sysconfig/network-scripts/init.ipv6-global start pre |
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60 | fi |
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61 | |
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62 | sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1 |
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63 | |
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64 | # bring up loopback interface |
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65 | action $"Bringing up loopback interface: " ./ifup ifcfg-lo |
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66 | |
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67 | case "$IPX" in |
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68 | yes|true) |
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69 | /sbin/ipx_configure --auto_primary=$IPXAUTOPRIMARY \ |
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70 | --auto_interface=$IPXAUTOFRAME |
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71 | if [ "$IPXINTERNALNETNUM" != "0" ]; then |
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72 | /sbin/ipx_internal_net add $IPXINTERNALNETNUM $IPXINTERNALNODENUM |
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73 | fi |
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74 | ;; |
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75 | esac |
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76 | |
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77 | case "$VLAN" in |
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78 | yes) |
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79 | if [ -d /proc/net/vlan ] || modprobe 8021q >/dev/null 2>&1 ; then |
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80 | test -z "$VLAN_NAME_TYPE" && VLAN_NAME_TYPE=DEV_PLUS_VID_NO_PAD |
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81 | action $"Setting 802.1Q VLAN parameters: " /sbin/vconfig set_name_type "$VLAN_NAME_TYPE" |
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82 | else |
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83 | echo $"No 802.1Q VLAN support available in kernel." |
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84 | fi |
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85 | ;; |
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86 | esac |
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87 | |
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88 | vlaninterfaces="" |
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89 | cipeinterfaces="" |
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90 | xdslinterfaces="" |
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91 | bridgeinterfaces="" |
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92 | |
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93 | # bring up all other interfaces configured to come up at boot time |
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94 | for i in $interfaces; do |
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95 | unset DEVICE TYPE SLAVE |
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96 | eval $(LANG=C fgrep "DEVICE=" ifcfg-$i) |
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97 | eval $(LANG=C fgrep "TYPE=" ifcfg-$i) |
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98 | eval $(LANG=C fgrep "SLAVE=" ifcfg-$i) |
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99 | |
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100 | if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi |
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101 | |
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102 | if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then |
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103 | cipeinterfaces="$cipeinterfaces $i" |
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104 | continue |
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105 | fi |
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106 | if [ "$TYPE" = "xDSL" ]; then |
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107 | xdslinterfaces="$xdslinterfaces $i" |
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108 | continue |
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109 | fi |
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110 | |
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111 | if [ "$TYPE" = "Bridge" ]; then |
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112 | bridgeinterfaces="$bridgeinterfaces $i" |
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113 | continue |
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114 | fi |
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115 | |
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116 | if [ "${DEVICE%%.*}" != "$DEVICE" -o "${DEVICE##vlan}" != "$DEVICE" ] ; then |
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117 | vlaninterfaces="$vlaninterfaces $i" |
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118 | continue |
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119 | fi |
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120 | |
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121 | if [ "$SLAVE" = "yes" ]; then |
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122 | continue |
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123 | fi |
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124 | |
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125 | if LANG=C egrep -L "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i > /dev/null ; then |
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126 | # this loads the module, to preserve ordering |
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127 | is_available $i |
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128 | continue |
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129 | fi |
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130 | # If we're in confirmation mode, get user confirmation. |
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131 | if [ -f /var/run/confirm ]; then |
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132 | confirm $i |
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133 | test $? = 1 && continue |
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134 | fi |
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135 | action $"Bringing up interface $i: " ./ifup $i boot |
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136 | done |
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137 | |
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138 | # Bring up xDSL and CIPE interfaces |
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139 | for i in $vlaninterfaces $bridgeinterfaces $xdslinterfaces $cipeinterfaces ; do |
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140 | if ! LANG=C egrep -L "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i >/dev/null 2>&1 ; then |
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141 | # If we're in confirmation mode, get user confirmation. |
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142 | if [ -f /var/run/confirm ]; then |
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143 | confirm $i |
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144 | test $? = 1 && continue |
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145 | fi |
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146 | action $"Bringing up interface $i: " ./ifup $i boot |
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147 | fi |
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148 | done |
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149 | |
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150 | # Add non interface-specific static-routes. |
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151 | if [ -f /etc/sysconfig/static-routes ]; then |
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152 | grep "^any" /etc/sysconfig/static-routes | while read ignore args ; do |
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153 | /sbin/route add -$args |
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154 | done |
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155 | fi |
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156 | |
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157 | # IPv6 hook (post IPv4 start) |
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158 | if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then |
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159 | /etc/sysconfig/network-scripts/init.ipv6-global start post |
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160 | fi |
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161 | # Run this again to catch any interface-specific actions |
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162 | sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1 |
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163 | |
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164 | touch /var/lock/subsys/network |
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165 | |
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166 | [ -n "${NETWORKDELAY}" ] && /bin/sleep ${NETWORKDELAY} |
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167 | ;; |
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168 | stop) |
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169 | # Don't shut the network down if root is on NFS or a network |
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170 | # block device. |
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171 | rootfs=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $3; }}' /etc/mtab) |
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172 | rootopts=$(awk '{ if ($1 !~ /^[ \t]*#/ && $2 == "/") { print $4; }}' /etc/mtab) |
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173 | |
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174 | if [[ "$rootfs" =~ ^nfs ]] || [[ "$rootopts" =~ "_netdev|_rnetdev" ]] ; then |
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175 | exit 1 |
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176 | fi |
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177 | |
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178 | # If this is a final shutdown/halt, check for network FS, |
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179 | # and unmount them even if the user didn't turn on netfs |
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180 | if [ "$RUNLEVEL" = "6" -o "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "1" ]; then |
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181 | NFSMTAB=`LC_ALL=C awk '$3 ~ /^nfs/ { print $2 }' /proc/mounts` |
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182 | SMBMTAB=`LC_ALL=C awk '$3 == "smbfs" { print $2 }' /proc/mounts` |
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183 | NCPMTAB=`LC_ALL=C awk '$3 == "ncpfs" { print $2 }' /proc/mounts` |
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184 | if [ -n "$NFSMTAB" -o -n "$SMBMTAB" -o -n "$NCPMTAB" ] ; then |
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185 | /etc/init.d/netfs stop |
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186 | fi |
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187 | fi |
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188 | |
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189 | # IPv6 hook (pre IPv4 stop) |
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190 | if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then |
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191 | /etc/sysconfig/network-scripts/init.ipv6-global stop pre |
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192 | fi |
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193 | |
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194 | vlaninterfaces="" |
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195 | cipeinterfaces="" |
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196 | xdslinterfaces="" |
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197 | bridgeinterfaces="" |
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198 | remaining="" |
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199 | |
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200 | # get list of bonding, cipe, and xdsl interfaces |
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201 | for i in $interfaces; do |
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202 | unset DEVICE TYPE |
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203 | eval $(LANG=C fgrep "DEVICE=" ifcfg-$i) |
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204 | eval $(LANG=C fgrep "TYPE=" ifcfg-$i) |
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205 | |
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206 | if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi |
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207 | |
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208 | if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then |
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209 | cipeinterfaces="$cipeinterfaces $i" |
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210 | continue |
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211 | fi |
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212 | if [ "$TYPE" = "Bridge" ]; then |
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213 | bridgeinterfaces="$bridgeinterfaces $i" |
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214 | continue |
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215 | fi |
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216 | if [ "$TYPE" = "xDSL" ]; then |
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217 | xdslinterfaces="$xdslinterfaces $i" |
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218 | continue |
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219 | fi |
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220 | |
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221 | if [ "${DEVICE%%.*}" != "$DEVICE" -o "${DEVICE##vlan}" != "$DEVICE" ] ; then |
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222 | vlaninterfaces="$vlaninterfaces $i" |
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223 | continue |
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224 | fi |
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225 | remaining="$remaining $i" |
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226 | done |
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227 | |
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228 | for i in $cipeinterfaces $xdslinterfaces $bridgeinterfaces $vlaninterfaces $remaining; do |
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229 | (. ifcfg-$i |
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230 | if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi |
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231 | |
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232 | if ! check_device_down $DEVICE; then |
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233 | action $"Shutting down interface $i: " ./ifdown $i boot |
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234 | fi |
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235 | ) |
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236 | done |
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237 | |
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238 | case "$IPX" in |
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239 | yes|true) |
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240 | if [ "$IPXINTERNALNETNUM" != "0" ]; then |
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241 | /sbin/ipx_internal_net del |
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242 | fi |
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243 | ;; |
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244 | esac |
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245 | |
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246 | action $"Shutting down loopback interface: " ./ifdown ifcfg-lo |
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247 | |
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248 | if [ -d /proc/sys/net/ipv4 ]; then |
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249 | if [ -f /proc/sys/net/ipv4/ip_forward ]; then |
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250 | if [ `cat /proc/sys/net/ipv4/ip_forward` != 0 ]; then |
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251 | action $"Disabling IPv4 packet forwarding: " sysctl -w net.ipv4.ip_forward=0 |
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252 | fi |
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253 | fi |
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254 | if [ -f /proc/sys/net/ipv4/ip_always_defrag ]; then |
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255 | if [ `cat /proc/sys/net/ipv4/ip_always_defrag` != 0 ]; then |
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256 | action $"Disabling IPv4 automatic defragmentation: " sysctl -w net.ipv4.ip_always_defrag=0 |
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257 | fi |
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258 | fi |
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259 | fi |
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260 | |
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261 | # IPv6 hook (post IPv4 stop) |
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262 | if [ -x /etc/sysconfig/network-scripts/init.ipv6-global ]; then |
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263 | /etc/sysconfig/network-scripts/init.ipv6-global stop post |
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264 | fi |
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265 | |
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266 | rm -f /var/lock/subsys/network |
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267 | ;; |
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268 | status) |
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269 | echo $"Configured devices:" |
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270 | echo lo $interfaces |
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271 | |
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272 | echo $"Currently active devices:" |
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273 | echo $(/sbin/ip -o link show up | awk -F ": " '{ print $2 }') |
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274 | ;; |
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275 | restart|reload) |
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276 | cd "$CWD" |
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277 | $0 stop |
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278 | $0 start |
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279 | ;; |
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280 | *) |
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281 | echo $"Usage: $0 {start|stop|restart|reload|status}" |
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282 | exit 1 |
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283 | esac |
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284 | |
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285 | exit 0 |
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