aboutsummaryrefslogtreecommitdiffstats
path: root/sysconfig/network-scripts/ifup-post
blob: 10a6fa16edd8f11b340f68cb623f0d23bf95409c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
#!/bin/sh

cd /etc/sysconfig/network-scripts
. network-functions

need_hostname
CONFIG=$1
source_config

DEVICETYPE=`echo $DEVICE | sed "s/[0-9]*$//"`
REALDEVICE=`echo $DEVICE | sed 's/:.*//g'`
if echo $DEVICE | grep -q ':' ; then
    ISALIAS=yes
else
    ISALIAS=no
fi

if [ "$ISALIAS" = no ] ; then
    /etc/sysconfig/network-scripts/ifup-aliases ${DEVICE}
fi

/etc/sysconfig/network-scripts/ifup-routes ${DEVICE}


if [ "$PEERDNS" != "no" -o -n "$RESOLV_MODS" -a "$RESOLV_MODS" != "no" ]; then
  [ -n "$MS_DNS1" ] && DNS1=$MS_DNS1
  [ -n "$MS_DNS2" ] && DNS2=$MS_DNS2
  if [ -n "$DNS1" ] && ! grep -q "^nameserver $DNS1" /etc/resolv.conf &&
   tr=`mktemp /tmp/resolv.XXXXXX` ; then
    # replace only the first two nameserver lines; cannot count on awk
    # and do not know if sed is capable of this...
    current_replacement="$DNS1"
    next_replacement="$DNS2"
    search=
    (cat /etc/resolv.conf ; echo EOF ; echo EOF) | while read answer ; do
	case $answer in
	    nameserver*|EOF)
		if [ -n "$current_replacement" ] ; then
		    echo "nameserver $current_replacement" >> $tr
		    if [ -n "$next_replacement" ] ; then
			current_replacement="$next_replacement"
			next_replacement=
		    else
			current_replacement=
		    fi
		else
		    if [ "$answer" != EOF ] ; then
			echo "$answer" >> $tr
		    fi
		fi
		;;
	    domain*|search*)
	        if [ -n "$DOMAIN" ]; then
	            echo "$answer" | while read key value ; do
		        search="$search $value"
		    done
		else
		    echo "$answer" >> $tr
		fi
		;;
	    *)
		echo "$answer" >> $tr
		;;
	esac
	if [ -n "$DOMAIN" ]; then
	   echo "search $DOMAIN $search" >> $tr
	fi
    done

    # backup resolv.conf
    cp -af /etc/resolv.conf /etc/resolv.conf.save

    # maintain permissions
    # but set umask in case it doesn't exist!
    oldumask=`umask`
    umask 022
    cat $tr > /etc/resolv.conf
    rm -f $tr
    umask $oldumask
  fi
fi

FWACTIVE=
if [ -f /etc/sysconfig/ipchains -a "`ipchains -L input -n 2>&1 | awk 'END { print NR }'`" -gt 1 ]; then
        FWACTIVE=1
	export FWACTIVE
fi

if [ "$FIREWALL_MODS" != "no" -a -n "$FWACTIVE" ]; then
	ns=`awk '/^nameserver / { print $2 }' /etc/resolv.conf`
	if [ -n "$ns" ]; then
		for nameserver in $ns ; do
			if ! ipchains -L input -n | grep -q $nameserver ; then
				ipchains -I input -s $nameserver/32 53 -d 0/0 1025:65535 -p udp -j ACCEPT
				logger $"punching nameserver $nameserver through the firewall"
			fi
		done
	fi
fi

# don't set hostname on ppp/slip connections
if [ "$2" = "boot" -a -n "$NEEDHOSTNAME" -a "${DEVICE}" != lo -a "${DEVICETYPE}" != "ppp" -a "${DEVICETYPE}" != "slip" ]; then
    IPADDR=`LANG= LC_ALL= ifconfig ${DEVICE} | grep 'inet addr' | 
	    awk -F: '{ print $2 } ' | awk '{ print $1 }'`
    eval `/bin/ipcalc --silent --hostname ${IPADDR}`
    if [ "$?" = "0" ]; then
    	set_hostname $HOSTNAME
    fi
fi

# Notify programs that have requested notification
do_netreport

if [ -x /sbin/ifup-local ]; then
    /sbin/ifup-local ${DEVICE}
fi

exit 0