aboutsummaryrefslogtreecommitdiffstats
path: root/sysconfig/network-scripts/network-functions
blob: 0400e69f9ee19f0547c95a53412bb0f4ccf6b5ae (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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
# This is not a shell script; it provides functions to network scripts
# that source it.

source_config ()
{
    DEVNAME=`basename $CONFIG | sed 's/^ifcfg-//g'`

    if basename $CONFIG | grep '[^g]-' >/dev/null 2>&1 ; then
	PARENTCONFIG=`echo $CONFIG | sed 's/-[^-]*$//g'`
	PARENTDEVNAME=`basename $PARENTCONFIG | sed 's/^ifcfg-//g'`
	[ -f $PARENTCONFIG ] || {
	    echo "Missing config file $PARENTCONFIG." >&2
	    exit 1
	}
	. $PARENTCONFIG
    fi
    . $CONFIG
}

toggle_value()
{
	if [ -z "$2" ]
	then
		echo ''
	elif [ "$2" = "yes"  -o "$2" = "YES" ] ; then
		echo "$1 on"
	elif [ "$2" = "no"  -o "$2" = "NO" ] ; then
		echo "$1 off"
	else
		echo ''
	fi
}
 
do_netreport ()
{
  # Notify programs that have requested notification
  ( cd /var/run/netreport || exit
    for i in * ; do
      if [ -f $i ]; then
        OWNER=`ls -l $i | awk '{ print $3 }'`
        su $OWNER -c "kill -SIGIO $i >/dev/null 2>&1 || rm -f $i >/dev/null 2>&1" > /dev/null 2>&1
	fi
    done
  )
}

need_hostname()
{
    if [ "`hostname`" = "(none)" -o "`hostname`" = "localhost" -o \
	 "`hostname`" = "localhost.localdomain" ]; then
	NEEDHOSTNAME=yes
    else
	unset NEEDHOSTNAME
    fi
}

set_hostname()
{
    hostname $1
    if ! grep search /etc/resolv.conf >/dev/null 2>&1; then
	domain=`echo $1 | sed 's/^[^\.]*\.//'`
	echo "search $domain" >> /etc/resolv.conf
    fi
}

check_device_down ()
{
    if echo $1 | grep -q ':' ; then
     if LANG=C ifconfig -a 2>/dev/null | grep -q $1 ; then
	  retcode=1
     else
	  retcode=0
     fi
    else 
     if LANG=C ip -o link ls dev $1 2>/dev/null | grep ",UP" >/dev/null 2>&1 ; then
	retcode=1
     else
	retcode=0
     fi
    fi
    return $retcode
}

check_link_down ()
{
    if [ -x /sbin/mii-tool ]; then
	output=`/sbin/mii-tool $1 2>&1`
	if echo $output | grep -q "Operation not supported"; then
	    return 1
	elif echo $output | grep -q "link ok"; then
	    return 1
	else
	    return 0
        fi
    fi
    return 0
}

check_default_route ()
{
   ip route | grep -q default
}

find_gateway_dev ()
{
    . /etc/sysconfig/network
    if [ "${GATEWAY}" != "" -a "${GATEWAY}" != "none" ] ; then
        export GATEWAY
        networks=`/sbin/route -n|awk '{print $1, ENVIRON["GATEWAY"],$3,$8}'|awk '{system("ipcalc --silent --network "$2" "$3" 2>/dev/null")}'|sed s^NETWORK=^^g`
        for net in $networks; do
            dev=`/sbin/route -n|grep ^$net|awk '{print $NF}'`
            if [ "$dev" != "" ] ; then
                GATEWAYDEV=$dev
            fi
        done
    fi
}

add_default_route ()
{
    . /etc/sysconfig/network
    find_gateway_dev
    if [ "${GATEWAY}" != "" -a "${GATEWAY}" != "none" -a "${GATEWAYDEV}" != "" ] ; then
        if ! check_device_down $1; then
            if [ "$GATEWAY" = "0.0.0.0" ]; then
                /sbin/route add default ${GATEWAYDEV}
            else
                /sbin/route add default gw ${GATEWAY} ${GATEWAYDEV}
            fi
        fi
    fi
}

is_wireless_device ()
{
  if [ -x /sbin/iwconfig ]; then
    iwconfig $1 2>&1 | grep -q -v "no wireless extensions"
    return $?
  else
    return 1
  fi
}
  

current_profile ()
{
  if [ "${CURRENT_PROFILE}" != "" ]; then
    echo ${CURRENT_PROFILE}
  elif [ "${DEFAULT_PROFILE}" != "" ]; then
    echo ${DEFAULT_PROFILE}
  else
    echo "default"
  fi
}